/**
 * LeadCom 全站公共样式
 *
 * 文件结构：
 * 1. 设计变量与多语言字号（本段）
 * 2. 基础规则、页头、首屏和通用区块
 * 3. 产品、应用、新闻、关于我们、联系等页面模块
 * 4. 文件后半段的页面级视觉增强与动效
 *
 * 维护约定：
 * - 颜色、字号和常用尺寸优先定义为 :root 变量，避免在组件中重复硬编码。
 * - 页面专属规则必须带页面根类（如 html.homepage），防止影响其他页面。
 * - 同一组件的桌面规则写在前，响应式覆盖紧随其后。
 * - 后半段增强样式依赖现有层叠顺序，请勿在未做全站回归时随意调换位置。
 */

:root {
  --teal: #18b8b5;
  --teal-dark: #0f8f91;
  --blue: #1f6fa9;
  --navy: #102f46;
  --dark: #1f2f3a;
  --text: #334047;
  --muted: #748188;
  --line: #e2ecee;
  --soft: #f5fafa;
  --white: #ffffff;

  /* 多语言共用字号体系；英文是页面默认语言。 */
  --font-family-ui: Arial, "Helvetica Neue", "Noto Sans", sans-serif;
  --font-body: 16px;
  --font-nav: 14px;
  --font-dropdown: 14px;
  --font-hero-eyebrow: 15px;
  --font-hero-title: clamp(38px, 3.6vw, 64px);
  --font-hero-body: 17px;
  --font-button: 14px;
  --font-form: 15px;
  --font-section-title: clamp(30px, 2.8vw, 42px);
  --font-page-title: clamp(36px, 4.2vw, 58px);
  --font-card-title: 20px;
  --font-card-body: 15px;
  --font-detail-title: clamp(28px, 2.8vw, 42px);
  --font-subsection-title: clamp(26px, 2.6vw, 36px);
  --font-table: 14px;
  --font-label: 13px;
  --font-footer: 14px;
  --line-body: 1.72;
  --line-hero-title: 1.02;
  --line-hero-body: 1.72;
  --line-section-title: 1.16;
  --line-page-title: 1.12;
  --line-detail-title: 1.16;
  --line-card-title: 1.32;
  --line-card-body: 1.7;
  --hero-title-max: 690px;
  --hero-copy-max: 620px;
  --page-title-max: 900px;
  --card-title-block: 2.7em;
  --nav-gap: clamp(10px, 1.45vw, 22px);
  --hero-title-spacing: 0.02em;
  --section-title-spacing: 0.01em;
}

html:lang(en) {
  --font-hero-title: clamp(38px, 3.6vw, 64px);
  --font-section-title: clamp(30px, 2.8vw, 42px);
  --font-page-title: clamp(36px, 4.2vw, 58px);
  --font-detail-title: clamp(28px, 2.8vw, 42px);
  --hero-title-max: 690px;
}

html:lang(zh-CN) {
  --font-family-ui: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  --font-nav: 14px;
  --font-dropdown: 14px;
  --font-hero-title: clamp(38px, 4.2vw, 66px);
  --font-hero-body: 18px;
  --font-section-title: clamp(32px, 3.4vw, 44px);
  --font-page-title: clamp(40px, 5vw, 64px);
  --font-card-title: 20px;
  --font-card-body: 15px;
  --font-detail-title: clamp(30px, 3.2vw, 46px);
  --font-subsection-title: clamp(28px, 3vw, 38px);
  --line-hero-title: 1.15;
  --hero-title-max: 700px;
  --card-title-block: 2.7em;
  --nav-gap: clamp(12px, 1.7vw, 26px);
}

html:lang(es),
html:lang(pt-BR),
html:lang(vi),
html:lang(id),
html:lang(ms) {
  --font-nav: 13px;
  --font-dropdown: 13px;
  --font-hero-eyebrow: 14px;
  --font-hero-title: clamp(34px, 3.2vw, 58px);
  --font-section-title: clamp(28px, 2.4vw, 40px);
  --font-page-title: clamp(32px, 3.8vw, 54px);
  --font-card-title: 19px;
  --font-card-body: 14px;
  --font-form: 14px;
  --font-detail-title: clamp(26px, 2.5vw, 38px);
  --font-subsection-title: clamp(24px, 2.35vw, 34px);
  --hero-title-max: 700px;
  --card-title-block: 4.05em;
  --nav-gap: clamp(8px, 1vw, 16px);
}

html:lang(th) {
  --font-family-ui: "Noto Sans Thai", Tahoma, Arial, sans-serif;
  --font-nav: 13px;
  --font-dropdown: 13px;
  --font-hero-eyebrow: 14px;
  --font-hero-title: clamp(34px, 3.2vw, 58px);
  --font-section-title: clamp(29px, 2.5vw, 40px);
  --font-page-title: clamp(33px, 3.8vw, 54px);
  --font-card-title: 19px;
  --font-card-body: 14px;
  --font-form: 14px;
  --font-detail-title: clamp(26px, 2.5vw, 38px);
  --font-subsection-title: clamp(24px, 2.35vw, 34px);
  --line-body: 1.82;
  --line-hero-title: 1.22;
  --line-card-title: 1.48;
  --line-card-body: 1.82;
  --hero-title-max: 710px;
  --card-title-block: 3.05em;
  --nav-gap: clamp(8px, 0.9vw, 15px);
  --hero-title-spacing: 0;
  --section-title-spacing: 0;
}

html:lang(ru) {
  --font-nav: 13px;
  --font-dropdown: 13px;
  --font-hero-eyebrow: 14px;
  --font-hero-title: clamp(32px, 3vw, 56px);
  --font-section-title: clamp(28px, 2.35vw, 39px);
  --font-page-title: clamp(31px, 3.6vw, 52px);
  --font-card-title: 18px;
  --font-card-body: 14px;
  --font-form: 14px;
  --font-detail-title: clamp(25px, 2.4vw, 37px);
  --font-subsection-title: clamp(23px, 2.25vw, 33px);
  --hero-title-max: 710px;
  --card-title-block: 4.05em;
  --nav-gap: clamp(8px, 0.9vw, 15px);
}

html:lang(ar) {
  --font-family-ui: "Noto Sans Arabic", Arial, sans-serif;
  --font-nav: 14px;
  --font-dropdown: 14px;
  --font-hero-title: clamp(36px, 3.4vw, 60px);
  --font-section-title: clamp(30px, 2.5vw, 42px);
  --font-page-title: clamp(34px, 3.9vw, 56px);
  --font-card-title: 20px;
  --font-card-body: 15px;
  --font-detail-title: clamp(28px, 2.7vw, 40px);
  --font-subsection-title: clamp(25px, 2.45vw, 35px);
  --line-body: 1.85;
  --line-hero-title: 1.22;
  --line-hero-body: 1.88;
  --line-section-title: 1.3;
  --line-page-title: 1.28;
  --line-detail-title: 1.3;
  --line-card-title: 1.5;
  --line-card-body: 1.85;
  --hero-title-max: 700px;
  --card-title-block: 3.1em;
  --nav-gap: clamp(9px, 1.15vw, 18px);
  --hero-title-spacing: 0;
  --section-title-spacing: 0;
}

@media (max-width: 640px) {
  :root {
    --font-nav: 15px;
    --font-dropdown: 14px;
    --font-hero-title: clamp(32px, 9.2vw, 42px);
    --font-hero-body: 16px;
    --font-section-title: clamp(27px, 7.6vw, 32px);
    --font-page-title: clamp(32px, 9vw, 40px);
    --font-detail-title: clamp(28px, 8vw, 36px);
    --font-subsection-title: clamp(24px, 6.8vw, 30px);
    --hero-title-max: 100%;
    --hero-copy-max: 100%;
  }

  html:lang(en) {
    --font-hero-title: clamp(31px, 8.5vw, 40px);
    --font-section-title: clamp(27px, 7.6vw, 32px);
    --font-page-title: clamp(32px, 9vw, 40px);
    --font-detail-title: clamp(28px, 8vw, 36px);
    --hero-title-max: 100%;
    --hero-title-spacing: 0.01em;
  }

  html:lang(zh-CN) {
    --font-hero-title: clamp(36px, 10.5vw, 48px);
    --font-section-title: clamp(29px, 8vw, 34px);
    --font-page-title: clamp(34px, 9.5vw, 42px);
    --font-detail-title: clamp(30px, 8.4vw, 38px);
  }

  html:lang(es),
  html:lang(pt-BR),
  html:lang(vi),
  html:lang(id),
  html:lang(ms) {
    --font-hero-title: clamp(29px, 8.4vw, 38px);
    --font-section-title: clamp(25px, 7vw, 30px);
    --font-page-title: clamp(29px, 8.2vw, 37px);
    --font-detail-title: clamp(25px, 7.2vw, 33px);
  }

  html:lang(th) {
    --font-hero-title: clamp(31px, 8.6vw, 39px);
    --font-section-title: clamp(26px, 7.2vw, 31px);
    --font-page-title: clamp(30px, 8.4vw, 38px);
    --font-detail-title: clamp(26px, 7.4vw, 34px);
  }

  html:lang(ru) {
    --font-hero-title: clamp(28px, 8vw, 37px);
    --font-section-title: clamp(24px, 6.8vw, 29px);
    --font-page-title: clamp(28px, 7.9vw, 36px);
    --font-detail-title: clamp(24px, 7vw, 32px);
  }

  html:lang(ar) {
    --font-hero-title: clamp(32px, 8.8vw, 40px);
    --font-section-title: clamp(27px, 7.4vw, 32px);
    --font-page-title: clamp(31px, 8.6vw, 39px);
    --font-detail-title: clamp(27px, 7.6vw, 35px);
  }
}

/* =========================================================
   01. 基础规则与通用工具
========================================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.homepage {
  scroll-padding-top: var(--header-height, 84px);
}

html.homepage.is-language-switching {
  scroll-behavior: auto;
  overflow-anchor: none;
}

html.homepage.is-language-switching body {
  overflow-anchor: none;
}

@media (prefers-reduced-motion: reduce) {
  html.homepage {
    scroll-behavior: auto;
  }
}


/* 产品层级页动效：覆盖产品分类页、系列页和详情页。 */
html.product-hierarchy-motion body {
  background: #f2f8f9;
}

html.product-hierarchy-motion .product-hierarchy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 26%, rgba(84, 229, 220, 0.24), transparent 28%),
    linear-gradient(112deg, #092b40 0%, #0b5364 48%, #13aaa8 100%);
}

html.product-hierarchy-motion .product-hierarchy-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -100% -12%;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 58px 58px;
  transform: rotate(-8deg);
  animation: productHeroGrid 16s linear infinite;
}

html.product-hierarchy-motion .product-hierarchy-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 7%;
  top: 50%;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(143, 255, 247, 0.22);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(89, 231, 221, 0.052),
    0 0 0 84px rgba(89, 231, 221, 0.024);
  transform: translateY(-50%);
  animation: productHeroOrbit 6.5s ease-in-out infinite alternate;
}

html.product-hierarchy-motion .product-hierarchy-hero .container {
  position: relative;
  z-index: 1;
}

html.product-hierarchy-motion .product-hierarchy-hero .product-center-heading {
  position: relative;
  border-bottom-color: rgba(153, 255, 248, 0.22);
  text-shadow: 0 12px 34px rgba(2, 26, 38, 0.24);
}

html.product-hierarchy-motion .product-hierarchy-hero .product-center-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: min(180px, 34%);
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #6ff3e9, #18b8b5 72%, transparent);
  box-shadow: 0 0 22px rgba(111, 243, 233, 0.48);
  transform: scaleX(0);
  transform-origin: left center;
}

html.product-hierarchy-motion.product-motion-ready .product-hierarchy-hero .breadcrumb {
  animation: productHeroCopyIn 680ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

html.product-hierarchy-motion.product-motion-ready .product-hierarchy-hero .product-center-heading {
  animation: productHeroTitleIn 820ms cubic-bezier(0.22, 1, 0.36, 1) 80ms both;
}

html.product-hierarchy-motion.product-motion-ready .product-hierarchy-hero .product-center-heading::after {
  animation: productAccentDraw 860ms cubic-bezier(0.22, 1, 0.36, 1) 300ms forwards;
}

html.product-hierarchy-motion .product-hierarchy-content {
  position: relative;
  background:
    radial-gradient(circle at 86% 6%, rgba(24, 184, 181, 0.09), transparent 25%),
    linear-gradient(145deg, #f5fafb 0%, #ffffff 52%, #edf7f7 100%);
}

html.product-hierarchy-motion .product-navigation {
  overflow: hidden;
  border-color: rgba(29, 112, 124, 0.16);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(13, 57, 72, 0.075);
}

html.product-hierarchy-motion .product-navigation-panel h2 {
  position: relative;
  padding-inline-start: 18px;
}

html.product-hierarchy-motion .product-navigation-panel h2::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(24, 184, 181, 0.11);
  transform: translateY(-50%);
}

html.product-hierarchy-motion .product-navigation-row > a,
html.product-hierarchy-motion .product-navigation-expander,
html.product-hierarchy-motion .product-navigation-children a {
  transition: color 240ms ease, background-color 240ms ease, border-color 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}

html.product-hierarchy-motion .product-navigation-row > a,
html.product-hierarchy-motion .product-navigation-expander {
  border-radius: 9px;
}

html.product-hierarchy-motion .product-navigation-row > a:hover,
html.product-hierarchy-motion .product-navigation-group.is-current .product-navigation-row > a {
  box-shadow: 0 10px 22px rgba(24, 184, 181, 0.16);
  transform: translateX(4px);
}

html.product-hierarchy-motion .series-card {
  position: relative;
  isolation: isolate;
  border-color: rgba(29, 112, 124, 0.15);
  box-shadow: 0 16px 38px rgba(13, 57, 72, 0.075);
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 360ms ease, border-color 360ms ease;
}

html.product-hierarchy-motion .series-card::before,
html.product-hierarchy-motion .advantage-card::before,
html.product-hierarchy-motion .product-detail-main-image::after {
  content: "";
  position: absolute;
  z-index: 3;
  inset: 0;
  opacity: 0;
  background: radial-gradient(
    circle 210px at var(--product-spot-x, 50%) var(--product-spot-y, 34%),
    rgba(82, 229, 220, 0.2),
    transparent 72%
  );
  transition: opacity 260ms ease;
  pointer-events: none;
}

html.product-hierarchy-motion .series-card::after {
  content: "";
  position: absolute;
  z-index: 4;
  top: -30%;
  bottom: -30%;
  left: -58%;
  width: 24%;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: skewX(-18deg);
  transition: left 720ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
  pointer-events: none;
}

html.product-hierarchy-motion .series-card img {
  position: relative;
  z-index: 1;
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1), filter 420ms ease;
}

html.product-hierarchy-motion .series-card > div {
  position: relative;
  z-index: 1;
}

html.product-hierarchy-motion .series-card span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

html.product-hierarchy-motion .series-card span::after {
  content: "\2192";
  transition: transform 240ms ease;
}

html.product-hierarchy-motion .air-compressor-overview,
html.product-hierarchy-motion .pet-technical-status,
html.product-hierarchy-motion .series-comparison-scroll {
  border-color: rgba(29, 112, 124, 0.16);
  box-shadow: 0 18px 44px rgba(13, 57, 72, 0.075);
  transition: border-color 320ms ease, box-shadow 320ms ease, transform 320ms ease;
}

html.product-hierarchy-motion .product-detail-main-image {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 44%, #ffffff 0%, #f5fafb 58%, #eaf5f6 100%);
}

html.product-hierarchy-motion .product-detail-main-image::before {
  content: "";
  position: absolute;
  z-index: 0;
  right: -70px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(24, 184, 181, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 0 35px rgba(24, 184, 181, 0.045), 0 0 0 72px rgba(24, 184, 181, 0.022);
  transition: transform 600ms ease;
}

html.product-hierarchy-motion .product-detail-main-image img {
  position: relative;
  z-index: 1;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1), filter 480ms ease;
}

html.product-hierarchy-motion .product-detail-summary h1,
html.product-hierarchy-motion .product-content-header h2,
html.product-hierarchy-motion .detail-section-heading {
  position: relative;
  width: fit-content;
  max-width: 100%;
  padding-bottom: 10px;
}

html.product-hierarchy-motion .product-detail-summary h1::after,
html.product-hierarchy-motion .product-content-header h2::after,
html.product-hierarchy-motion .detail-section-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(120px, 46%);
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), rgba(24, 184, 181, 0));
  transform: scaleX(0);
  transform-origin: left center;
}

html.product-hierarchy-motion .product-content-header.is-revealed h2::after,
html.product-hierarchy-motion .product-detail-summary.is-revealed h1::after,
html.product-hierarchy-motion .detail-section-heading.is-revealed::after {
  animation: productAccentDraw 720ms cubic-bezier(0.22, 1, 0.36, 1) 180ms forwards;
}

html.product-hierarchy-motion .advantage-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: rgba(29, 112, 124, 0.14);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1), border-color 320ms ease, box-shadow 320ms ease;
}

html.product-hierarchy-motion .advantage-card > * {
  position: relative;
  z-index: 1;
}

html.product-hierarchy-motion .advantage-number {
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 360ms ease;
}

html.product-hierarchy-motion .product-tags span {
  transition: color 240ms ease, background-color 240ms ease, border-color 240ms ease, transform 240ms ease;
}

html.product-hierarchy-motion.product-motion-ready .hierarchy-reveal-item {
  opacity: 0;
  filter: blur(5px);
  translate: 0 30px;
  scale: 0.985;
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--hierarchy-reveal-delay, 0ms),
    filter 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--hierarchy-reveal-delay, 0ms),
    translate 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--hierarchy-reveal-delay, 0ms),
    scale 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--hierarchy-reveal-delay, 0ms);
}

html.product-hierarchy-motion.product-motion-ready .product-navigation.hierarchy-reveal-item {
  translate: -24px 0;
}

html.product-hierarchy-motion.product-motion-ready .hierarchy-reveal-item.is-revealed {
  opacity: 1;
  filter: none;
  translate: 0;
  scale: 1;
}

@media (hover: hover) and (pointer: fine) {
  html.product-hierarchy-motion .series-card:hover {
    border-color: rgba(24, 184, 181, 0.52);
    box-shadow: 0 28px 62px rgba(13, 57, 72, 0.16);
    transform: translateY(-9px);
  }

  html.product-hierarchy-motion .series-card:hover::before,
  html.product-hierarchy-motion .series-card.has-pointer-spotlight::before,
  html.product-hierarchy-motion .advantage-card:hover::before,
  html.product-hierarchy-motion .advantage-card.has-pointer-spotlight::before,
  html.product-hierarchy-motion .product-detail-main-image.has-pointer-spotlight::after {
    opacity: 1;
  }

  html.product-hierarchy-motion .series-card:hover::after {
    left: 132%;
    opacity: 1;
  }

  html.product-hierarchy-motion .series-card:hover img,
  html.product-hierarchy-motion .product-detail-main-image:hover img {
    filter: drop-shadow(0 18px 22px rgba(8, 53, 70, 0.18));
    transform: translateY(-6px) scale(1.055);
  }

  html.product-hierarchy-motion .series-card:hover span::after {
    transform: translateX(4px);
  }

  html.product-hierarchy-motion .advantage-card:hover {
    border-color: rgba(24, 184, 181, 0.46);
    box-shadow: 0 22px 48px rgba(13, 57, 72, 0.13);
    transform: translateY(-7px);
  }

  html.product-hierarchy-motion .advantage-card:hover .advantage-number {
    box-shadow: 0 10px 24px rgba(24, 184, 181, 0.3);
    transform: translateY(-3px) rotate(-5deg) scale(1.07);
  }

  html.product-hierarchy-motion .air-compressor-overview:hover,
  html.product-hierarchy-motion .pet-technical-status:hover,
  html.product-hierarchy-motion .series-comparison-scroll:hover {
    border-color: rgba(24, 184, 181, 0.35);
    box-shadow: 0 25px 58px rgba(13, 57, 72, 0.12);
  }

  html.product-hierarchy-motion .product-detail-main-image:hover::before {
    transform: translate(-18px, -14px) scale(1.08);
  }

  html.product-hierarchy-motion .product-tags span:hover {
    border-color: rgba(24, 184, 181, 0.5);
    background: rgba(24, 184, 181, 0.14);
    transform: translateY(-2px);
  }
}

html[dir="rtl"].product-hierarchy-motion .product-hierarchy-hero .product-center-heading::after,
html[dir="rtl"].product-hierarchy-motion .product-detail-summary h1::after,
html[dir="rtl"].product-hierarchy-motion .product-content-header h2::after,
html[dir="rtl"].product-hierarchy-motion .detail-section-heading::after {
  right: 0;
  left: auto;
  transform-origin: right center;
}

html[dir="rtl"].product-hierarchy-motion .product-navigation-panel h2::before {
  right: 0;
  left: auto;
}

html[dir="rtl"].product-hierarchy-motion .product-navigation-row > a:hover,
html[dir="rtl"].product-hierarchy-motion .product-navigation-group.is-current .product-navigation-row > a {
  transform: translateX(-4px);
}

html[dir="rtl"].product-hierarchy-motion.product-motion-ready .product-navigation.hierarchy-reveal-item {
  translate: 24px 0;
}

@media (max-width: 640px) {
  html.product-hierarchy-motion .product-hierarchy-hero::after {
    right: -100px;
    width: 210px;
    height: 210px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.product-hierarchy-motion .product-hierarchy-hero::before,
  html.product-hierarchy-motion .product-hierarchy-hero::after,
  html.product-hierarchy-motion .product-hierarchy-hero .breadcrumb,
  html.product-hierarchy-motion .product-hierarchy-hero .product-center-heading,
  html.product-hierarchy-motion .product-hierarchy-hero .product-center-heading::after,
  html.product-hierarchy-motion .hierarchy-reveal-item,
  html.product-hierarchy-motion .series-card,
  html.product-hierarchy-motion .series-card img,
  html.product-hierarchy-motion .advantage-card,
  html.product-hierarchy-motion .advantage-number,
  html.product-hierarchy-motion .product-detail-main-image img,
  html.product-hierarchy-motion .product-detail-summary h1::after,
  html.product-hierarchy-motion .product-content-header h2::after,
  html.product-hierarchy-motion .detail-section-heading::after {
    opacity: 1 !important;
    filter: none !important;
    translate: none !important;
    scale: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

body {
  font-family: var(--font-family-ui);
  font-size: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: var(--line-body);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: var(--font-family-ui);
  font-size: var(--font-form);
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
  word-break: normal;
}

img {
  max-width: 100%;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* =========================================================
   02. 页头与主导航
========================================================= */

.top-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 236, 238, 0.8);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  position: relative;
  width: 247px;
  height: 76px;
  flex: 0 0 247px;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.brand-logo {
  height: 100px;
  width: auto;
  display: block;
}

/* 中文 Logo 图片的透明画布比英文 Logo 高；页头尺寸保持不变，仅缩放图片本身。 */
.brand-logo.is-logo-zh {
  position: absolute;
  top: 50%;
  left: 50%;
  height: 280px;
  width: auto;
  max-width: none;
  margin-top: 7px;
  transform: translate(-50%, -50%);
}

/* 图片 Logo 无法使用时的备用图形标识。 */
.brand-symbol {
  width: 38px;
  height: 38px;
  border: 6px solid var(--blue);
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  transform: rotate(-25deg);
}

.brand-text strong {
  display: block;
  color: var(--blue);
  font-size: 25px;
  font-style: italic;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-text span {
  display: block;
  margin-top: 4px;
  color: var(--teal-dark);
  font-size: 12px;
  font-style: italic;
}

.nav {
  display: flex;
  height: 100%;
  align-items: center;
  gap: var(--nav-gap);
  font-size: var(--font-nav);
  line-height: 1.35;
  color: var(--navy);
  white-space: nowrap;
}

.nav a {
  position: relative;
  padding: 5px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: 0.22s ease;
}

.nav a:hover {
  color: var(--teal-dark);
}

.nav a:hover::after,
.nav a.active::after,
.nav a[aria-current="page"]::after {
  width: 100%;
}

.nav a.active,
.nav a[aria-current="page"] {
  color: var(--teal-dark);
}

.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
}

.nav-dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-dropdown-arrow {
  display: inline-block;
  font-size: 13px;
  transition: transform 0.18s ease;
}

.nav-dropdown.is-open .nav-dropdown-arrow {
  transform: rotate(180deg);
}

.product-dropdown {
  position: absolute;
  z-index: 120;
  top: calc(100% - 1px);
  left: -18px;
  display: grid;
  width: max-content;
  min-width: 360px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(16, 47, 70, 0.14);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.product-dropdown a {
  display: block;
  min-height: 42px;
  padding: 10px 13px;
  color: var(--navy);
  font-size: var(--font-dropdown);
  line-height: 1.45;
  white-space: normal;
}

.product-dropdown a::after {
  display: none;
}

.product-dropdown a:hover,
.product-dropdown a:focus-visible,
.product-dropdown a.is-current {
  background: rgba(24, 184, 181, 0.12);
  color: var(--teal-dark);
  outline: none;
}

.product-dropdown-all {
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

@media (min-width: 981px) {
  .nav-dropdown:hover .product-dropdown,
  .nav-dropdown.is-open .product-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
}

.menu-btn {
  display: none;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy);
  padding: 8px 16px;
  font-family: var(--font-family-ui);
  font-size: var(--font-nav);
  cursor: pointer;
}

.language-select {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  padding: 7px 10px;
  font-size: 13px;
  cursor: pointer;
  outline: none;
}

.language-select:hover {
  border-color: var(--teal);
}

.header-line {
  height: 8px;
  display: flex;
  align-items: center;
}

.line-left {
  width: 24%;
  height: 1px;
  background: var(--line);
}

.line-main {
  flex: 1;
  height: 8px;
  background: var(--teal);
  clip-path: polygon(18px 0, 100% 0, 100% 100%, 0 100%);
}

.pixel-group {
  display: grid;
  grid-template-columns: repeat(2, 7px);
  grid-template-rows: repeat(2, 7px);
  gap: 4px;
  margin-left: 10px;
  margin-right: 20px;
}

.pixel-group span {
  background: var(--teal);
}

/* =========================================================
   03. 首页首屏轮播
========================================================= */

.hero-slider {
  position: relative;
  height: calc(100vh - 84px);
  min-height: 620px;
  overflow: hidden;
  background: #0c2537;
  direction: ltr;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  direction: ltr;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

.slide:not(.active) .slide-content {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.slide.active .slide-content {
  opacity: 1;
  visibility: visible;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 5s ease;
  filter: brightness(1.18) contrast(1.05);
}

.slide.active .slide-bg {
  transform: scale(1);
}

/* 首屏没有背景图片时使用的备用渐变背景。 */
.test-bg-1 {
  background:
    linear-gradient(90deg, rgba(8, 28, 52, 0.35), rgba(8, 28, 52, 0.2)),
    linear-gradient(120deg, #0c2537 0%, #1f6fa9 55%, #18b8b5 100%);
}

.test-bg-2 {
  background:
    linear-gradient(90deg, rgba(8, 28, 52, 0.35), rgba(8, 28, 52, 0.2)),
    linear-gradient(120deg, #102f46 0%, #0f8f91 55%, #d6f3f2 100%);
}

.test-bg-3 {
  background:
    linear-gradient(90deg, rgba(8, 28, 52, 0.35), rgba(8, 28, 52, 0.2)),
    linear-gradient(120deg, #0b1f35 0%, #2d8fe8 55%, #a8e7ff 100%);
}

.test-bg-4 {
  background:
    linear-gradient(90deg, rgba(8, 28, 52, 0.35), rgba(8, 28, 52, 0.2)),
    linear-gradient(120deg, #172a3a 0%, #45606e 55%, #18b8b5 100%);
}

.test-bg-5 {
  background:
    linear-gradient(90deg, rgba(8, 28, 52, 0.35), rgba(8, 28, 52, 0.2)),
    linear-gradient(120deg, #061929 0%, #1f6fa9 45%, #18b8b5 100%);
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(5, 22, 39, 0.58) 0%,
      rgba(5, 22, 39, 0.30) 38%,
      rgba(5, 22, 39, 0.02) 100%
    ),
    linear-gradient(
      180deg,
      rgba(5, 22, 39, 0.02),
      rgba(5, 22, 39, 0.12)
    );
}

.slide-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #ffffff;
}

.slide-kicker {
  color: #dff7f7;
  font-size: var(--font-hero-eyebrow);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.slide-content :is(h1, h2) {
  width: min(100%, var(--hero-title-max));
  max-inline-size: var(--hero-title-max);
  font-size: var(--font-hero-title);
  line-height: var(--line-hero-title);
  letter-spacing: var(--hero-title-spacing);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 26px;
  color: #ffffff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: normal;
}

html[lang="zh-CN"] .slide-content :is(h1, h2) {
  text-transform: none;
}

.slide-content p {
  max-inline-size: var(--hero-copy-max);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-hero-body);
  line-height: var(--line-hero-body);
  margin-bottom: 34px;
}

.slide-btn {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #18b8b5;
  color: #ffffff;
  padding: 14px 28px;
  font-size: var(--font-button);
  line-height: 1.35;
  font-weight: 700;
  transition: 0.22s ease;
}

.slide-btn:hover {
  background: #0f8f91;
  transform: translateY(-2px);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  transform: translateY(-50%);
  width: 48px;
  height: 64px;
  border: none;
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-size: 46px;
  line-height: 1;
  cursor: pointer;
  transition: 0.22s ease;
}

.slider-arrow:hover {
  background: rgba(24, 184, 181, 0.8);
}

.slider-arrow.prev {
  left: 22px;
}

.slider-arrow.next {
  right: 22px;
}

.slider-dots {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
}

.dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.75);
  background: transparent;
  cursor: pointer;
  transition: 0.22s ease;
}

.dot.active {
  background: #18b8b5;
  border-color: #18b8b5;
}

/* =========================================================
   04. 通用内容区块
========================================================= */

.catalog-section {
  padding: 96px 0;
  background: var(--white);
}

.catalog-section.light {
  background: var(--soft);
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
}

.small-title {
  display: inline-block;
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
  position: relative;
  padding-left: 18px;
}

.small-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--teal);
}

.section-title-row h2 {
  font-size: var(--font-section-title);
  line-height: var(--line-section-title);
  color: var(--teal-dark);
  margin: 0;
  font-weight: 700;
}

.section-number {
  font-size: 88px;
  line-height: 1;
  font-weight: 800;
  color: rgba(24, 184, 181, 0.12);
  margin: 0;
}

/* 首页区块标题：主标题紧凑排列在区块编号旁边。 */
#products .section-title-row,
#applications .section-title-row,
#news .section-title-row {
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
}

.home-section-title {
  position: relative;
  margin: 0;
  padding-left: 20px;
  color: var(--teal-dark);
  font-size: var(--font-section-title);
  font-weight: 750;
  line-height: var(--line-section-title);
  letter-spacing: var(--section-title-spacing);
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

.section-title-row .home-section-title {
  font-size: var(--font-section-title);
}

.home-section-title::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--teal);
  transform: translateY(-50%);
}

#applications .section-intro {
  margin-top: 10px;
}

#applications .applications-carousel {
  margin-top: 0;
}

.about-profile-section .home-section-title,
.contact-section .home-section-title {
  font-size: var(--font-section-title);
}

.about-profile-section .home-section-title {
  color: var(--teal);
}

.contact-section .home-section-title {
  margin-bottom: 16px;
}

.section-intro {
  max-width: 720px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
  margin-top: 14px;
}

/* =========================================================
   05. 首页产品分类
========================================================= */

.product-category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 四列布局 */
  gap: 12px; /* 缩小网格间距 */
  padding: 0 10px;
  background: var(--white);
  border: none; /* 去掉边框占位 */
}

.product-category-card {
  position: relative;
  min-height: 250px; /* 压缩高度 */
  background: var(--white);
  border: none; /* 去掉边框 */
  overflow: hidden;
  transition: 0.25s ease;
  padding: 12px; /* 内边距缩小 */
}

.product-category-card:hover {
  z-index: 3;
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(16, 47, 70, 0.13);
}

.product-category-card.featured {
  grid-column: span 2;
}

.product-index {
  position: absolute;
  top: 12px; /* 缩小数字位置 */
  right: 12px;
  color: rgba(24, 184, 181, 0.22);
  font-size: 36px; /* 缩小字体 */
  font-weight: 800;
  line-height: 1;
  z-index: 2;
}

.product-image-box {
  height: 190px;
  background:
    linear-gradient(135deg, rgba(24, 184, 181, 0.16), rgba(255, 255, 255, 0.75)),
    linear-gradient(145deg, #dce9ea, #ffffff 45%, #bfd3d6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.product-image-box::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 28px;
  width: 72px;
  height: 72px;
  border-top: 4px solid var(--teal);
  border-left: 4px solid var(--teal);
}

.product-image-box img {
  max-width: 68%;
  max-height: 140px;
  object-fit: contain;
  position: relative;
  z-index: 2;
}


.product-content {
  padding: 16px 12px 20px; /* 缩小文字区 */
}

.product-content h3 {
  color: var(--navy);
  font-size: var(--font-card-title); /* Multilingual card title */
  line-height: var(--line-card-title);
  margin-bottom: 10px;
  font-weight: 600;
}

.product-content p {
  color: var(--muted);
  font-size: var(--font-card-body); /* Multilingual card body */
  line-height: var(--line-card-body);
  margin-bottom: 16px;
}

.product-content a {
  color: var(--teal-dark);
  font-weight: 700;
  font-size: var(--font-button);
  text-decoration: none;
}

.product-content a:hover {
  text-decoration: underline;
}

/* =========================================================
   06. 解决方案
========================================================= */

/* =========================================================
   07. 新闻与目录卡片
========================================================= */

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.catalog-card {
  min-height: 310px;
  background: var(--white);
  padding: 34px 32px;
  position: relative;
  transition: 0.22s ease;
  overflow: hidden;
}

.catalog-card::after {
  content: "";
  position: absolute;
  left: 32px;
  top: 0;
  width: 76px;
  height: 6px;
  background: var(--teal);
}

.catalog-card:hover {
  z-index: 2;
  transform: translateY(-4px);
  box-shadow: 0 22px 46px rgba(16, 47, 70, 0.12);
}

.catalog-card.large {
  grid-column: span 2;
  min-height: 420px;
  background:
    linear-gradient(135deg, rgba(24, 184, 181, 0.1), rgba(255, 255, 255, 0.68)),
    var(--white);
}

.card-label {
  color: rgba(24, 184, 181, 0.22);
  font-size: 70px;
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 34px;
}

.catalog-card h3 {
  color: var(--navy);
  font-size: calc(var(--font-card-title) + 2px);
  line-height: var(--line-card-title);
  font-weight: 600;
  margin-bottom: 16px;
}

.catalog-card p {
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

.spec-line {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.spec-line span {
  color: var(--muted);
  font-size: var(--font-table);
}

.spec-line strong {
  color: var(--navy);
  font-size: var(--font-table);
  text-align: right;
}

/* =========================================================
   08. 首页公司简介
========================================================= */

.about-profile-section {
  position: relative;
  overflow: hidden;
  padding: 92px 0 98px;
  background: #f8fbfb;
}

.about-profile-container { position: relative; z-index: 1; }

.about-profile-watermark {
  position: absolute;
  left: 3%;
  bottom: -0.24em;
  color: var(--navy);
  font-size: clamp(100px, 17vw, 250px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.07em;
  opacity: 0.025;
  pointer-events: none;
  user-select: none;
}

.about-profile-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.47fr) minmax(0, 0.53fr);
  gap: clamp(40px, 5vw, 72px);
  align-items: stretch;
}

.about-heading-row {
  margin-bottom: 38px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.about-heading-row h2 { color: var(--teal-dark); }

.about-profile-content { min-width: 0; }

.about-profile-eyebrow {
  display: grid;
  width: fit-content;
  margin-bottom: 27px;
  padding: 10px 15px 11px;
  border-left: 3px solid var(--teal);
  border-top: 1px solid var(--line);
}

.about-profile-eyebrow span { color: var(--muted); font-size: var(--font-label); font-weight: 700; letter-spacing: 0.18em; }
.about-profile-eyebrow strong { color: var(--navy); font-size: var(--font-subsection-title); line-height: var(--line-section-title); letter-spacing: var(--section-title-spacing); }

.about-profile-tabs { display: flex; gap: 10px; margin-bottom: 28px; }
.about-profile-tab {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--white);
  color: var(--text);
  font: inherit;
  font-size: var(--font-button);
  font-weight: 700;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}
.about-profile-tab:hover { color: var(--teal-dark); border-color: var(--teal); }
.about-profile-tab.active { color: var(--white); border-color: var(--teal-dark); background: var(--teal-dark); }
.about-profile-tab:focus-visible { outline: 3px solid rgba(24, 184, 181, 0.25); outline-offset: 2px; }

.about-profile-panels { min-height: 360px; }
.about-profile-panel { animation: aboutPanelIn 220ms ease; }
.about-profile-panel[hidden] { display: none; }
@keyframes aboutPanelIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.about-profile-panel h3 { margin-bottom: 18px; color: var(--navy); font-size: var(--font-subsection-title); line-height: var(--line-section-title); }
.about-profile-panel p { margin-bottom: 14px; color: #58656c; font-size: var(--font-body); line-height: var(--line-body); }

.about-profile-button { display: inline-flex; align-items: center; margin-top: 11px; padding: 10px 22px; border: 1px solid var(--teal-dark); border-radius: 3px; background: var(--teal-dark); color: var(--white); font-size: var(--font-button); font-weight: 700; transition: background-color 200ms ease, transform 200ms ease; }
.about-profile-button:hover { background: var(--teal); transform: translateY(-1px); }

.about-history-list { display: grid; gap: 13px; list-style: none; }
.about-history-list li { display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.about-history-list time { color: var(--teal-dark); font-weight: 800; }
.about-history-list span { color: #58656c; font-size: var(--font-card-body); line-height: var(--line-card-body); }

.about-profile-media {
  position: relative;
  align-self: center;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #eaf1f1;
}
.about-profile-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* =========================================================
   09. 关于我们详情页
========================================================= */
.about-page { background: var(--white); }
.about-page-hero { padding: 82px 0 76px; color: var(--white); background: linear-gradient(110deg, var(--navy), #174f68 68%, var(--teal-dark)); }
.about-page-kicker { margin-bottom: 9px; color: #92e5e2; font-size: var(--font-label); font-weight: 800; letter-spacing: 0.2em; }
.about-page-hero h1 { max-width: var(--page-title-max); font-size: var(--font-page-title); line-height: var(--line-page-title); text-wrap: balance; overflow-wrap: break-word; word-break: normal; }
.about-page-hero p:last-child { max-width: 680px; margin-top: 18px; color: #d7e9ed; font-size: var(--font-hero-body); line-height: var(--line-hero-body); }
.about-page-anchor-nav { position: sticky; top: 76px; z-index: 20; display: grid; grid-template-columns: repeat(2, 1fr); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); }
.about-page-anchor-nav a { padding: 18px; color: var(--navy); text-align: center; font-weight: 700; transition: color 180ms ease, background-color 180ms ease; }
.about-page-anchor-nav a:hover { color: var(--white); background: var(--teal-dark); }
.about-page-profile { scroll-margin-top: 140px; padding: 100px 0 112px; background: #f8fbfb; }
.about-page-profile-grid { display: grid; grid-template-columns: minmax(0,.47fr) minmax(0,.53fr); gap: clamp(48px,6vw,84px); align-items: center; }
.about-page-section-heading { margin-bottom: 35px; padding: 9px 0 9px 18px; border-left: 3px solid var(--teal); }
.about-page-section-heading span { display: block; color: var(--muted); font-size: var(--font-label); font-weight: 800; letter-spacing: .18em; }
.about-page-section-heading h2 { color: var(--navy); font-size: var(--font-subsection-title); line-height: var(--line-section-title); }
.about-page-profile-copy h3 { margin-bottom: 22px; color: var(--navy); font-size: var(--font-subsection-title); line-height: var(--line-section-title); }
.about-page-profile-copy > p { margin-bottom: 16px; color: #58656c; font-size: var(--font-body); line-height: var(--line-body); }
.about-page-profile-media { margin: 0; overflow: hidden; aspect-ratio: 16/9; border: 1px solid var(--line); border-radius: 6px; }
.about-page-profile-media img { display: block; width: 100%; height: 100%; object-fit: contain; }

.about-growth-section { scroll-margin-top: 130px; padding: 92px 0 110px; background: #fff; }
.about-growth-header { margin-bottom: 62px; text-align: center; }
.about-growth-header h2 { color: var(--navy); font-size: var(--font-section-title); line-height: var(--line-section-title); font-weight: 700; }
.about-growth-header h2::after { content: ""; display: block; width: 48px; height: 3px; margin: 18px auto 0; background: var(--teal); }
.about-history-timeline { max-width: 980px; margin: 0 auto; }
.about-growth-list { position: relative; display: grid; gap: 26px; list-style: none; }
.about-growth-list::before { content: ""; position: absolute; top: 8px; bottom: 8px; left: 50%; width: 2px; background: var(--line); transform: translateX(-50%); }
.growth-event { position: relative; width: calc(50% - 44px); min-height: 104px; padding: 24px 26px; border: 1px solid var(--line); border-radius: 6px; background: #fff; box-shadow: 0 10px 30px rgba(16,47,70,.055); }
.growth-event:nth-child(odd) { justify-self: start; text-align: right; }
.growth-event:nth-child(even) { justify-self: end; text-align: left; }
.growth-event::before { content: ""; position: absolute; top: 31px; width: 13px; height: 13px; border: 3px solid #fff; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 2px var(--teal); }
.growth-event:nth-child(odd)::before { right: -51px; }
.growth-event:nth-child(even)::before { left: -51px; }
.growth-event::after { content: ""; position: absolute; top: 37px; width: 31px; height: 1px; background: var(--line); }
.growth-event:nth-child(odd)::after { right: -32px; }
.growth-event:nth-child(even)::after { left: -32px; }
.growth-event time { display: block; margin-bottom: 8px; color: var(--teal-dark); font-size: 22px; font-weight: 800; line-height: 1.1; }
.growth-event p { color: #58656c; font-size: var(--font-card-body); line-height: var(--line-card-body); }

html[dir="rtl"] .about-page-section-heading { padding-right: 18px; padding-left: 0; border-right: 3px solid var(--teal); border-left: 0; }

@media (max-width: 900px) {
  .about-page-profile-grid { grid-template-columns: 1fr; }
  .about-growth-list { padding-left: 34px; gap: 20px; }
  .about-growth-list::before { right: auto; left: 7px; transform: none; }
  .growth-event, .growth-event:nth-child(odd), .growth-event:nth-child(even) { justify-self: stretch; width: 100%; min-height: 0; text-align: left; }
  .growth-event::before, .growth-event:nth-child(odd)::before, .growth-event:nth-child(even)::before { right: auto; left: -34px; }
  .growth-event::after, .growth-event:nth-child(odd)::after, .growth-event:nth-child(even)::after { display: none; }
  html[dir="rtl"] .about-growth-list { padding-right: 34px; padding-left: 0; }
  html[dir="rtl"] .about-growth-list::before { right: 7px; left: auto; }
  html[dir="rtl"] .growth-event, html[dir="rtl"] .growth-event:nth-child(odd), html[dir="rtl"] .growth-event:nth-child(even) { text-align: right; }
  html[dir="rtl"] .growth-event::before, html[dir="rtl"] .growth-event:nth-child(odd)::before, html[dir="rtl"] .growth-event:nth-child(even)::before { right: -34px; left: auto; }
}

@media (max-width: 640px) {
  .about-page-hero { padding: 58px 0 54px; }
  .about-page-anchor-nav { top: 64px; }
  .about-page-anchor-nav a { padding: 14px 8px; font-size: var(--font-button); }
  .about-page-profile, .about-growth-section { padding: 68px 0; }
  .about-page-profile-grid { gap: 36px; }
  .about-growth-header { margin-bottom: 38px; text-align: left; }
  html[dir="rtl"] .about-growth-header { text-align: right; }
}

/* =========================================================
   10. 联系我们
========================================================= */

.contact-section {
  padding: 96px 0;
  background: var(--white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 76px;
  align-items: center;
}

.contact-layout p {
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.contact-panel {
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 36px;
  position: relative;
}

.contact-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 8px;
  width: 45%;
  background: var(--teal);
}

.contact-panel p {
  margin-bottom: 14px;
  color: var(--text);
}

.contact-btn {
  display: inline-flex;
  margin-top: 20px;
  background: var(--teal);
  color: var(--white);
  padding: 14px 26px;
  font-weight: 700;
  transition: 0.22s ease;
}

.contact-btn:hover {
  background: var(--teal-dark);
}

/* 联系方式中的社交平台链接。 */

.contact-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.contact-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--navy);
  padding: 9px 14px;
  font-size: var(--font-button);
  font-weight: 700;
  transition: 0.22s ease;
}

.contact-social a:hover {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

/* =========================================================
   11. 页脚
========================================================= */

.footer {
  background: #0c2537;
  color: #c6d9de;
  padding: 26px 0;
  font-size: var(--font-footer);
  line-height: var(--line-body);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

/* =========================================================
   12. 第一组全站响应式规则
========================================================= */

@media (max-width: 1080px) {
  .product-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-category-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 980px) {
  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    height: auto;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    padding: 24px 4%;
    flex-direction: column;
    align-items: flex-start;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    white-space: normal;
  }

  .nav-dropdown {
    display: block;
    width: 100%;
    align-self: auto;
  }

  .nav-dropdown > a {
    width: 100%;
    min-height: 42px;
    justify-content: space-between;
  }

  .product-dropdown {
    position: static;
    display: none;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-top: 4px;
    padding: 6px 0 6px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .nav-dropdown.is-open .product-dropdown {
    display: grid;
  }

  .product-dropdown a {
    min-height: 44px;
    padding: 11px 14px;
  }

  .nav.open {
    display: flex;
  }

.language-select {
    max-width: 100%;
    margin-top: 8px;
  }

  .about-profile-inner,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-profile-inner {
    gap: 32px;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalog-card.large {
    grid-column: span 2;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .hero-slider {
    height: 680px;
    min-height: 680px;
  }

  .slider-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  .header-inner {
    height: 68px;
  }

  .brand-logo {
    height: 38px;
  }

  .brand {
    width: 94px;
    height: 68px;
    flex-basis: 94px;
  }

  .brand-logo.is-logo-zh {
    height: 128px;
    margin-top: 3px;
  }

  .brand-text strong {
    font-size: 21px;
  }

  .brand-text span {
    display: none;
  }

  .line-left {
    width: 14%;
  }

  .catalog-section,
  .contact-section {
    padding: 70px 0;
  }

  .section-title-row {
    margin-bottom: 34px;
  }

  .section-number {
    font-size: 52px;
  }

  #products .section-title-row,
  #applications .section-title-row,
  #news .section-title-row {
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 13px;
  }

  .section-title-row .home-section-title,
  .about-heading-row .home-section-title,
  .contact-layout .home-section-title {
    padding-left: 18px;
  }

  .about-heading-row {
    margin-bottom: 24px;
    padding-bottom: 14px;
  }

  .about-profile-inner {
    gap: 24px;
  }

  .about-profile-section { padding: 64px 0 70px; }
  .about-profile-panels { min-height: 0; }
  .about-profile-media { aspect-ratio: 16 / 9; border-radius: 6px; }

  #products .section-number,
  #applications .section-number,
  #news .section-number {
    font-size: 46px;
  }

  .product-category-grid {
    grid-template-columns: 1fr;
  }

  .product-category-card.featured {
    grid-column: auto;
  }

  .product-category-card {
    min-height: auto;
  }

  .product-image-box {
    height: 170px;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card.large {
    grid-column: auto;
  }

  .catalog-card {
    min-height: auto;
  }

  .card-label {
    font-size: 48px;
  }

  .contact-layout {
    gap: 42px;
  }
}

/* =========================================================
   13. 浮动联系按钮
========================================================= */

.floating-contact {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 999;
}

.floating-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: var(--font-button);
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(16, 47, 70, 0.22);
  transition: 0.25s ease;
}

.whatsapp-btn {
  background: #25d366;
}

.floating-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(16, 47, 70, 0.28);
}

@media (max-width: 640px) {
  .floating-contact {
    right: 16px;
    bottom: 18px;
  }

  .floating-btn {
    min-width: 112px;
    height: 42px;
    font-size: var(--font-button);
  }
}

/* =========================================================
   14. 首页产品网格最终布局
   桌面端采用 3 + 3 + 2 排列，最后两个卡片居中；本段覆盖第 05 节旧布局。
========================================================= */

.product-category-grid {
  display: grid !important;
  grid-template-columns: repeat(6, 1fr) !important;
  gap: 28px !important;
  background: var(--white) !important;
  border: none !important;
  padding: 0 !important;
}

/* 每个产品占 2 栏，所以一行正好 3 个 */
.product-category-card {
  grid-column: span 2 !important;
  position: relative !important;
  min-height: 390px !important;
  background: #ffffff !important;
  border: 1px solid var(--line) !important;
  overflow: hidden !important;
  transition: 0.25s ease !important;
  padding: 0 !important;
}

/* 取消第一个重点卡片占两格的旧效果。 */
.product-category-card.featured {
  grid-column: span 2 !important;
}

.product-category-card:hover {
  z-index: 3 !important;
  transform: translateY(-6px) !important;
  box-shadow: 0 24px 50px rgba(16, 47, 70, 0.13) !important;
}

/* 产品编号 */
.product-index {
  position: absolute !important;
  top: 22px !important;
  right: 24px !important;
  color: rgba(24, 184, 181, 0.18) !important;
  font-size: 56px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  z-index: 2 !important;
}

/* 图片区域 */
.product-image-box {
  width: 100% !important;
  max-width: none !important;
  height: 190px !important;
  max-height: none !important;
  background:
    linear-gradient(135deg, rgba(24, 184, 181, 0.14), rgba(255, 255, 255, 0.75)),
    linear-gradient(145deg, #e7f3f4, #ffffff 48%, #d5e6e8) !important;
  display: flex !important;
  align-items: flex-end !important;
  justify-content: flex-start !important;
  padding: 24px !important;
  position: relative !important;
  overflow: hidden !important;
  border-radius: 0 !important;
}

/* 左上角工业风线条 */
.product-image-box::before {
  content: "" !important;
  position: absolute !important;
  left: 28px !important;
  top: 28px !important;
  width: 72px !important;
  height: 72px !important;
  border-top: 4px solid var(--teal) !important;
  border-left: 4px solid var(--teal) !important;
  z-index: 2 !important;
}

/* 产品图片 */
.product-image-box img {
  position: absolute !important;
  right: 24px !important;
  bottom: 22px !important;
  max-width: 55% !important;
  max-height: 135px !important;
  object-fit: contain !important;
  z-index: 1 !important;
}

/* 图片上的产品小标签 */
.product-image-box span {
  position: relative !important;
  z-index: 3 !important;
  color: rgba(16, 47, 70, 0.72) !important;
  font-size: var(--font-label) !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  background: rgba(255, 255, 255, 0.78) !important;
  padding: 5px 10px !important;
}

/* 文字区域 */
.product-content {
  padding: 28px 26px 34px !important;
}

.product-content h3 {
  color: var(--navy) !important;
  font-size: var(--font-card-title) !important;
  line-height: var(--line-card-title) !important;
  margin-bottom: 14px !important;
  font-weight: 700 !important;
}

.product-content p {
  color: var(--muted) !important;
  font-size: var(--font-card-body) !important;
  line-height: var(--line-card-body) !important;
  margin-bottom: 22px !important;
}

.product-category-card {
  display: flex;
  flex-direction: column;
  color: inherit;
}

.product-category-card .product-content {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.product-category-card .product-content p {
  flex: 1;
}

.product-category-card .product-card-link {
  margin-top: auto;
}

.product-content a {
  color: var(--teal-dark) !important;
  font-weight: 700 !important;
  font-size: var(--font-button) !important;
}

.product-content a:hover {
  color: var(--blue) !important;
}

/* 平板：两列 */
@media (max-width: 1080px) {
  .product-category-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .product-category-card,
  .product-category-card.featured,
  .product-category-card:nth-child(7),
  .product-category-card:nth-child(8) {
    grid-column: auto !important;
  }
}

/* 手机：一列 */
@media (max-width: 640px) {
  .product-category-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .product-category-card {
    min-height: auto !important;
  }

  .product-image-box {
    height: 170px !important;
  }

  .product-image-box img {
    max-height: 120px !important;
    max-width: 62% !important;
  }
}

/* 隐藏产品编号。 */
.product-index {
  display: none !important;
}

/* =========================================================
   15. 产品中心与产品详情页
========================================================= */

.product-page-hero {
  padding: 88px 0 72px;
  background:
    linear-gradient(90deg, rgba(16, 47, 70, 0.92), rgba(15, 143, 145, 0.72)),
    linear-gradient(135deg, #102f46, #18b8b5);
  color: #ffffff;
}

.product-page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.86);
  font-size: var(--font-hero-body);
  line-height: var(--line-hero-body);
}

.product-page {
  padding: 86px 0 100px;
  background: #f6fafb;
}

.product-page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.product-sidebar {
  position: sticky;
  top: 104px;
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 24px;
}

.product-sidebar h3 {
  color: var(--navy);
  font-size: var(--font-card-title);
  margin-bottom: 18px;
}

.product-sidebar a {
  display: block;
  padding: 13px 14px;
  margin-bottom: 8px;
  background: var(--soft);
  color: var(--navy);
  font-size: var(--font-dropdown);
  font-weight: 600;
  transition: 0.22s ease;
}

.product-sidebar a:hover,
.product-sidebar a.active {
  background: var(--teal);
  color: #ffffff;
}

.product-list-title {
  margin-bottom: 34px;
}

.product-list-title h2 {
  color: var(--navy);
  font-size: var(--font-section-title);
  line-height: var(--line-section-title);
}

.product-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.product-list-card {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 28px;
  min-height: 360px;
  color: inherit;
  cursor: pointer;
  transition: 0.25s ease;
}

.product-list-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(16, 47, 70, 0.12);
}

.product-list-card img {
  width: 100%;
  height: 170px;
  object-fit: contain;
  display: block;
  margin-bottom: 24px;
}

.product-list-card h3 {
  color: var(--navy);
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
  margin-bottom: 12px;
}

.product-list-card p {
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
  margin-bottom: 18px;
}

.product-card-link {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  color: var(--teal-dark);
  font-weight: 700;
  font-size: var(--font-button);
}

.product-category-card a[data-i18n="learn_more"]::after {
  content: " →";
}

.product-list-card:hover .product-card-link {
  color: var(--blue);
}

.product-list-card:focus-visible,
.series-card:focus-visible {
  outline: 3px solid rgba(24, 184, 181, 0.45);
  outline-offset: 4px;
}

/* 产品分类、产品系列和详情页共用的层级结构。 */
.product-hierarchy-page {
  background: var(--soft);
}

.product-hierarchy-hero {
  padding: 72px 0 52px;
}

.product-page-hero,
.product-hierarchy-hero {
  background:
    linear-gradient(90deg, rgba(16, 47, 70, 0.92), rgba(15, 143, 145, 0.72)),
    linear-gradient(135deg, #102f46, #18b8b5);
  color: #ffffff;
}

.product-page-hero .product-center-heading,
.product-hierarchy-hero .product-center-heading {
  max-inline-size: var(--page-title-max);
  margin: 0 0 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(24, 184, 181, 0.5);
  color: var(--teal);
  font-size: var(--font-page-title);
  font-weight: 800;
  line-height: var(--line-page-title);
  letter-spacing: var(--section-title-spacing);
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--font-label);
  line-height: 1.55;
}

.breadcrumb a,
.back-products-link {
  color: var(--teal-dark);
  font-size: var(--font-button);
  font-weight: 700;
}

.product-hierarchy-hero .breadcrumb a {
  color: #d8ffff;
}

.product-hierarchy-hero .breadcrumb a:hover {
  color: #ffffff;
}

.product-hierarchy-content {
  padding: 64px 0 88px;
}

.product-content-header {
  grid-column: 1 / -1;
  margin-bottom: 8px;
}

.product-content-header h2 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: var(--font-section-title);
  line-height: var(--line-section-title);
}

.product-content-header p {
  max-width: 760px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.series-grid.two-card-grid,
.product-detail-main.series-grid.two-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.series-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  color: inherit;
  box-shadow: 0 14px 34px rgba(16, 47, 70, 0.07);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.series-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 42px rgba(16, 47, 70, 0.12);
}

.series-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f8fbfc;
}

.series-card > div {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.series-card h2 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
  overflow-wrap: break-word;
  word-break: normal;
}

.series-card p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

.series-card span {
  margin-top: auto;
  color: var(--teal-dark);
  font-size: var(--font-button);
  font-weight: 700;
}

.pending-product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(16, 47, 70, 0.07);
}

.pending-product-media {
  display: grid;
  min-height: 420px;
  place-items: center;
  padding: 36px;
  background: #f7fafb;
}

.pending-product-media img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
}

.pending-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
}

.pending-product-copy h2 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: var(--font-detail-title);
  line-height: var(--line-detail-title);
}

.pending-product-copy h3 {
  margin-bottom: 16px;
  color: var(--teal-dark);
  font-size: var(--font-card-title);
}

.pending-product-copy p {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

@media (max-width: 1040px) {
  .series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .product-hierarchy-hero {
    padding: 56px 0 42px;
  }

  .product-page-hero .product-center-heading,
  .product-hierarchy-hero .product-center-heading {
    margin-bottom: 18px;
    padding-bottom: 14px;
  }

  .series-grid,
  .pending-product-layout { grid-template-columns: 1fr; }
  .series-grid.two-card-grid,
  .product-detail-main.series-grid.two-card-grid { grid-template-columns: 1fr; }
  .pending-product-media { min-height: 280px; }
  .pending-product-copy { padding: 32px 24px; }
}

@media (max-width: 980px) {
  .product-page-layout {
    grid-template-columns: 1fr;
  }

  .product-sidebar {
    position: static;
  }

  .product-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .product-page-hero {
    padding: 60px 0 48px;
  }

  .product-list-grid {
    grid-template-columns: 1fr;
  }

  .product-list-card {
    min-height: auto;
  }
}

/* 产品侧栏：鼠标经过与当前分类的高亮效果。 */
.product-sidebar a {
  display: block;
  padding: 13px 14px;
  margin-bottom: 8px;
  background: var(--soft);
  color: var(--navy);
  font-size: var(--font-dropdown);
  font-weight: 600;
  transition: 0.22s ease;
}

.product-sidebar a:hover,
.product-sidebar a.active {
  background: var(--teal);
  color: #ffffff;
}

/* 产品分类页和详情页共用的左侧导航。 */
.product-detail-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.product-detail-main { min-width: 0; }
.product-detail-main.series-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.product-navigation {
  position: sticky;
  top: 104px;
  min-width: 0;
  border: 1px solid var(--line);
  background: #fff;
}

.product-navigation-panel { padding: 22px; }
.product-navigation-panel h2 { margin: 0 0 18px; color: var(--navy); font-size: var(--font-card-title); line-height: var(--line-card-title); }
.product-navigation-row { display: flex; gap: 4px; margin-top: 8px; }
.product-navigation-row > a {
  flex: 1;
  min-width: 0;
  padding: 12px 13px;
  background: var(--soft);
  color: var(--navy);
  font-size: var(--font-dropdown);
  font-weight: 700;
  line-height: 1.35;
}
.product-navigation-row > a:hover,
.product-navigation-group.is-current .product-navigation-row > a {
  background: var(--teal);
  color: #fff;
}
.product-navigation-expander {
  width: 40px;
  border: 0;
  background: var(--soft);
  color: var(--navy);
  cursor: pointer;
}
.product-navigation-group.is-current .product-navigation-expander { background: var(--teal); color: #fff; }
.product-navigation-expander span { display: block; transition: transform .2s ease; }
.product-navigation-group.is-open .product-navigation-expander span { transform: rotate(180deg); }
.product-navigation-children { display: none; padding: 5px 0 4px 14px; }
.product-navigation-group.is-open .product-navigation-children { display: grid; }
.product-navigation-children a {
  padding: 9px 12px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: var(--font-label);
  line-height: 1.4;
}
.product-navigation-children a:hover { color: var(--teal-dark); border-left-color: var(--teal); }
.product-navigation-children a.is-active { background: rgba(24,184,181,.1); color: var(--teal-dark); border-left-color: var(--teal); font-weight: 700; }
.product-navigation-toggle { display: none; }

/* 语言选择器：地球图标使用内联 SVG，RTL 页面中不做镜像。 */
.language-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
  min-width: 0;
}
.language-select-native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  pointer-events: none !important;
}
.language-menu-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-width: 146px;
  min-height: 32px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  font: inherit;
  font-size: 13px;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
}
.language-menu-trigger:hover,
.language-selector.is-open .language-menu-trigger {
  border-color: var(--teal);
}
.language-menu-trigger:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.language-menu-chevron {
  flex: 0 0 auto;
  font-size: 15px;
  line-height: 1;
  transition: transform 180ms ease;
}
.language-selector.is-open .language-menu-chevron {
  transform: rotate(180deg);
}
.language-menu {
  position: absolute;
  z-index: 120;
  top: calc(100% + 6px);
  right: 0;
  display: grid;
  width: max-content;
  min-width: 184px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  box-shadow: 0 16px 36px rgba(10, 43, 61, 0.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 160ms ease, visibility 160ms ease, transform 160ms ease;
}
.language-selector.is-open .language-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.language-menu-option {
  width: 100%;
  min-height: 32px;
  padding: 7px 11px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--navy);
  font: inherit;
  font-size: 13px;
  line-height: 1.25;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}
.language-menu-option:hover,
.language-menu-option:focus-visible {
  outline: none;
  background: rgba(24, 184, 181, 0.1);
  color: var(--teal-dark);
}
.language-menu-option.is-selected {
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
}

@media (max-width: 980px) {
  .language-selector {
    width: 100%;
    max-width: 100%;
    margin-top: 8px;
  }

  .language-menu-trigger {
    width: 100%;
  }

  .language-menu {
    right: 0;
    left: 0;
    width: 100%;
    min-width: 0;
  }
}
.language-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: none !important;
}
.language-selector:hover,
.language-selector:focus-within { color: var(--teal); }
html[dir="rtl"] .language-icon { transform: none !important; }

@media (max-width: 1040px) {
  .product-detail-layout { grid-template-columns: 230px minmax(0, 1fr); gap: 26px; }
  .product-detail-main.series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .product-detail-layout { grid-template-columns: 1fr; gap: 24px; }
  .product-navigation { position: static; }
  .product-navigation-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 15px 18px;
    border: 0;
    background: var(--navy);
    color: #fff;
    font: inherit;
    font-family: var(--font-family-ui);
    font-size: var(--font-button);
    font-weight: 700;
  }
  .product-navigation-toggle-copy { display: grid; gap: 3px; text-align: left; }
  .product-navigation-toggle-copy small { color: rgba(255,255,255,.75); font-size: var(--font-label); font-weight: 500; }
  html[dir="rtl"] .product-navigation-toggle-copy { text-align: right; }
  .product-navigation-panel { display: none; }
  .product-navigation.is-mobile-open .product-navigation-panel { display: block; }
  .product-navigation.is-mobile-open .product-navigation-toggle-mark { transform: rotate(180deg); }
  .product-detail-main.series-grid,
  .product-detail-main.pending-product-layout { grid-template-columns: 1fr; }
}

/* 空压机最终详情页与系列参数对比区域。 */
html.air-compressor-comparison-document,
html.air-compressor-comparison-document body {
  max-width: 100%;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.air-compressor-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 42px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(16, 47, 70, 0.07);
}

.product-detail-gallery,
.product-detail-summary {
  min-width: 0;
}

.product-detail-main-image {
  display: grid;
  min-height: 430px;
  place-items: center;
  overflow: hidden;
  padding: 28px;
  border-radius: 20px;
  background: #f7fafb;
}

.product-detail-main-image img {
  display: block;
  width: 100%;
  height: 430px;
  object-fit: contain;
  object-position: center;
}

.product-detail-thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.product-detail-thumbnail {
  display: grid;
  width: 88px;
  height: 72px;
  place-items: center;
  flex: 0 0 88px;
  padding: 6px;
  border: 2px solid transparent;
  border-radius: 12px;
  background: #f7fafb;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.product-detail-thumbnail:hover,
.product-detail-thumbnail.is-active,
.product-detail-thumbnail:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(24, 184, 181, .12);
  outline: 0;
}

.product-detail-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-eyebrow {
  margin-bottom: 10px;
  color: var(--teal-dark);
  font-size: var(--font-label);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-detail-summary h1 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: var(--font-detail-title);
  line-height: var(--line-detail-title);
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

.product-detail-description {
  margin-bottom: 22px;
  color: var(--text);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.product-spec-summary {
  margin-bottom: 22px;
  padding: 16px 18px;
  border-inline-start: 4px solid var(--teal);
  border-radius: 0 12px 12px 0;
  background: var(--soft);
}

html[dir="rtl"] .product-spec-summary {
  border-radius: 12px 0 0 12px;
}

.product-spec-summary strong {
  display: block;
  margin-bottom: 3px;
  color: var(--navy);
  font-size: var(--font-label);
}

.product-spec-summary span {
  color: var(--muted);
  font-size: var(--font-card-body);
}

.product-spec-summary .product-power-range {
  margin-bottom: 0;
}

.product-spec-summary .product-power-range span {
  color: inherit;
  font-size: inherit;
}

.product-tags-label,
.product-key-advantages h2 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.product-tags span {
  padding: 6px 11px;
  border: 1px solid rgba(24, 184, 181, .28);
  border-radius: 999px;
  background: rgba(24, 184, 181, .08);
  color: var(--teal-dark);
  font-size: var(--font-label);
  font-weight: 700;
}

.product-detail-summary .back-products-link {
  display: inline-flex;
  margin-bottom: 24px;
  align-items: center;
  gap: 8px;
}

.product-detail-summary .back-products-link::before {
  content: "←";
}

html[dir="rtl"] .product-detail-summary .back-products-link::before {
  content: "→";
}

.product-key-advantages ul {
  display: grid;
  gap: 8px;
  list-style: none;
}

.product-key-advantages li {
  position: relative;
  padding-inline-start: 22px;
  color: var(--text);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
  font-weight: 700;
}

.product-key-advantages li::before {
  position: absolute;
  inset-inline-start: 0;
  top: .08em;
  color: var(--teal);
  content: "✓";
}

.core-advantages-section,
.pet-technical-status,
.series-comparison {
  margin-top: 46px;
}

.detail-section-heading {
  margin-bottom: 20px;
  color: var(--navy);
  font-size: var(--font-subsection-title);
  line-height: var(--line-section-title);
}

.core-advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.advantage-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(16, 47, 70, .05);
}

.advantage-number {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 15px;
  place-items: center;
  border-radius: 10px;
  background: var(--teal);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.advantage-card h3 {
  margin-bottom: 9px;
  color: var(--navy);
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
}

.advantage-card p {
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

.pet-technical-status {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}

.pet-technical-status .detail-section-heading {
  margin-bottom: 8px;
}

.pet-technical-status > p {
  margin-bottom: 20px;
  color: var(--muted);
}

.pet-confirmation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  list-style: none;
}

.pet-confirmation-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--soft);
}

.pet-confirmation-list strong {
  flex: 0 0 auto;
  color: #98a3a8;
  font-size: var(--font-button);
}

.series-comparison {
  grid-column: 1 / -1;
  min-width: 0;
  overflow: hidden;
  padding-top: 8px;
}

.series-comparison-header {
  margin-bottom: 22px;
}

.series-comparison-header h2 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: var(--font-subsection-title);
  line-height: var(--line-section-title);
}

.series-comparison-header p {
  max-width: 780px;
  color: var(--muted);
}

.series-comparison-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(16, 47, 70, .06);
  -webkit-overflow-scrolling: touch;
}

.air-compressor-comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: var(--font-table);
}

.air-compressor-comparison-table th,
.air-compressor-comparison-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}

.air-compressor-comparison-table thead th {
  background: var(--teal-dark);
  color: #fff;
  font-size: var(--font-table);
  font-weight: 800;
}

.air-compressor-comparison-table thead th:first-child,
.air-compressor-comparison-table tbody th {
  width: 30%;
  text-align: start;
}

.air-compressor-comparison-table tbody th {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.45;
}

.air-compressor-comparison-table tbody tr:nth-child(even) {
  background: #f4f7f8;
}

.air-compressor-comparison-table tbody tr:last-child th,
.air-compressor-comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.comparison-check {
  color: var(--teal-dark);
  font-size: 20px;
  font-weight: 900;
}

.comparison-not-applicable {
  color: #aab3b7;
}

.comparison-pending {
  color: #98a3a8;
  font-size: var(--font-label);
  font-weight: 700;
}

@media (max-width: 1080px) {
  .air-compressor-overview { grid-template-columns: 1fr; }
  .core-advantages-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .air-compressor-overview {
    gap: 26px;
    padding: 20px;
    border-radius: 20px;
  }
  .product-detail-main-image {
    min-height: 280px;
    padding: 16px;
  }
  .product-detail-main-image img { height: 280px; }
  .product-detail-thumbnails {
    flex-wrap: wrap;
    overflow-x: visible;
  }
  .core-advantages-grid,
  .pet-confirmation-list { grid-template-columns: 1fr; }
  .advantage-card { padding: 19px; }
  .pet-technical-status { padding: 20px; }
  .series-comparison-scroll { border-radius: 14px; }
  .air-compressor-comparison-table th,
  .air-compressor-comparison-table td { padding: 12px 10px; }
}

/* =========================================================
   16. 解决方案图集卡片
========================================================= */

.solution-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.solution-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 22px;
}

/* 第一张文字卡 */
.solution-intro-card {
  background: linear-gradient(160deg, #1f2f3a 0%, #101b24 100%);
  color: #ffffff;
  padding: 34px 30px;
  display: flex;
  align-items: stretch;
}

.solution-intro-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.solution-intro-card h3 {
  color: #ffffff;
  font-size: calc(var(--font-card-title) + 2px);
  line-height: var(--line-card-title);
  font-weight: 700;
  margin-bottom: 20px;
}

.solution-intro-card p {
  color: rgba(255, 255, 255, 0.86);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
  margin-bottom: 26px;
}

.solution-intro-card a {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(24, 184, 181, 0.85);
  color: #ffffff;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: var(--font-button);
  font-weight: 700;
  transition: 0.25s ease;
}

.solution-intro-card a:hover {
  background: var(--teal);
  border-color: var(--teal);
}

/* 图片卡 */
.solution-image-card {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: flex-end;
  transition: 0.35s ease;
}

.solution-image-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 54px rgba(16, 47, 70, 0.18);
}

.solution-card-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(16, 47, 70, 0.06) 0%,
      rgba(16, 47, 70, 0.28) 45%,
      rgba(16, 47, 70, 0.78) 100%
    );
  z-index: 1;
  transition: 0.3s ease;
}

.solution-image-card:hover .solution-card-overlay {
  background:
    linear-gradient(
      180deg,
      rgba(16, 47, 70, 0.03) 0%,
      rgba(16, 47, 70, 0.22) 42%,
      rgba(16, 47, 70, 0.86) 100%
    );
}

.solution-card-content {
  position: relative;
  z-index: 2;
  padding: 0 28px 32px;
  color: #ffffff;
}

.solution-card-content h3 {
  color: #ffffff;
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
  font-weight: 800;
  margin-bottom: 12px;
}

.solution-card-content p {
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
  max-width: 92%;
}

/* 响应式 */
@media (max-width: 1180px) {
  .solution-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-card {
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .solution-card-grid {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: 320px;
    border-radius: 16px;
  }

  .solution-intro-card {
    padding: 30px 24px;
  }
}

/* =========================================================
   17. 应用行业轮播
========================================================= */

.applications-carousel {
  margin-top: 30px;
  overflow: hidden;
}

.applications-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.applications-arrow {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--navy);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  transition: 0.25s ease;
}

.applications-arrow:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.applications-arrow:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.application-slider-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.application-slider-dots button {
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 50%;
  background: #c8d9de;
  cursor: pointer;
  transition: 0.25s ease;
}

.application-slider-dots button.active {
  background: var(--teal);
  transform: scale(1.2);
}

.applications-track {
  display: flex;
  align-items: stretch;
  gap: 24px;
  transition: transform 0.45s ease;
  touch-action: pan-y;
  user-select: none;
}

.application-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 calc((100% - 48px) / 3);
  align-self: stretch;
  position: relative;
  background: rgba(9, 34, 53, 0.96);
  border: 1px solid rgba(226, 236, 238, 0.9);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(16, 47, 70, 0.08);
  cursor: default;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.application-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 42px rgba(16, 47, 70, 0.14);
}

.application-card img {
  display: block;
  flex: 0 0 auto;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.application-card-content {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  position: relative;
  z-index: 1;
  margin-top: -132px;
  padding: 72px 24px 28px;
  background: linear-gradient(180deg, transparent 0%, rgba(9, 34, 53, 0.84) 38%, rgba(9, 34, 53, 0.96) 100%);
}

.application-card-content h3 {
  color: #ffffff;
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
  margin-bottom: 10px;
}

.application-card-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

@media (max-width: 980px) {
  .application-card {
    flex: 0 0 calc((100% - 24px) / 2);
  }
}

@media (max-width: 760px) {
  .applications-nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .applications-arrow {
    order: 2;
  }

  .application-slider-dots {
    order: 1;
    width: 100%;
    justify-content: center;
  }

  .application-card {
    flex: 0 0 min(82vw, 100%);
  }
}
/* =========================================================
   18. 应用行业详情页
========================================================= */

/* RTL 只改变文字流向；图片、Logo 和横向轮播仍保持从左到右，避免画面与拖动计算被镜像。 */
html[dir="rtl"] body,
html[dir="rtl"] .hero-slider,
html[dir="rtl"] .slide,
html[dir="rtl"] .nav,
html[dir="rtl"] .header-inner,
html[dir="rtl"] .section-title-row,
html[dir="rtl"] .product-category-grid,
html[dir="rtl"] .applications-carousel,
html[dir="rtl"] .applications-track,
html[dir="rtl"] .news-layout,
html[dir="rtl"] .about-profile-inner,
html[dir="rtl"] .contact-layout,
html[dir="rtl"] .footer-inner,
html[dir="rtl"] .product-hierarchy-page,
html[dir="rtl"] .series-grid,
html[dir="rtl"] .pending-product-layout,
html[dir="rtl"] img,
html[dir="rtl"] picture,
html[dir="rtl"] video {
  direction: ltr;
}

html[dir="rtl"] body {
  overflow-x: hidden;
}

html[dir="rtl"] .nav a,
html[dir="rtl"] .slide-content,
html[dir="rtl"] .section-title-row > div:first-child,
html[dir="rtl"] .product-content,
html[dir="rtl"] .product-list-card,
html[dir="rtl"] .application-card-content,
html[dir="rtl"] .news-sidebar,
html[dir="rtl"] .news-content,
html[dir="rtl"] .about-profile-content,
html[dir="rtl"] .contact-layout > div,
html[dir="rtl"] .product-hierarchy-hero .container,
html[dir="rtl"] .breadcrumb,
html[dir="rtl"] .series-card > div,
html[dir="rtl"] .pending-product-copy,
html[dir="rtl"] .product-navigation-panel,
html[dir="rtl"] .product-detail-summary,
html[dir="rtl"] .advantage-card,
html[dir="rtl"] .series-comparison-header,
html[dir="rtl"] .news-featured-body,
html[dir="rtl"] .news-card-body,
html[dir="rtl"] .news-detail-copy,
html[dir="rtl"] .about-page-hero .container,
html[dir="rtl"] .about-page-profile-copy,
html[dir="rtl"] input,
html[dir="rtl"] textarea {
  direction: rtl;
  text-align: right;
  unicode-bidi: plaintext;
}

html[dir="rtl"] .section-title-row > div:first-child {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
}

html[dir="rtl"] .section-title-row .section-number {
  flex: 0 0 auto;
}

html[dir="rtl"] .product-dropdown {
  right: -18px;
  left: auto;
  direction: rtl;
  text-align: right;
}

@media (max-width: 980px) {
  html[dir="rtl"] .product-dropdown {
    padding-right: 14px;
    padding-left: 0;
    border-right: 2px solid var(--line);
    border-left: 0;
  }
}


html[dir="rtl"] .home-section-title {
  padding-right: 20px;
  padding-left: 0;
}

html[dir="rtl"] .home-section-title::before {
  right: 0;
  left: auto;
}

html[dir="rtl"] .slide-content {
  align-items: flex-end;
}

html[dir="rtl"] .slide-content h1,
html[dir="rtl"] .slide-content p,
html[dir="rtl"] .product-detail-summary h1 {
  unicode-bidi: plaintext;
}

html[dir="rtl"] .air-compressor-comparison-table th {
  direction: rtl;
  text-align: right;
  unicode-bidi: plaintext;
}

html[dir="rtl"] .air-compressor-comparison-table td {
  direction: ltr;
}

html[dir="rtl"] .nav button,
html[dir="rtl"] .nav select {
  direction: rtl;
  unicode-bidi: plaintext;
}

/* =========================================================
   19. 新闻列表
========================================================= */

.news-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
}

.news-sidebar {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 30px 26px;
  height: fit-content;
}

.news-sidebar a {
  display: block;
  padding: 16px 18px;
  margin-bottom: 10px;
  background: var(--soft);
  color: var(--navy);
  font-size: var(--font-dropdown);
  line-height: 1.45;
  font-weight: 600;
  transition: 0.25s ease;
}

.news-sidebar a:hover,
.news-sidebar a.active {
  background: var(--teal);
  color: #ffffff;
}

.news-content {
  display: grid;
  gap: 22px;
}

.news-featured {
  position: relative;
  background:
    linear-gradient(135deg, rgba(24, 184, 181, 0.12), rgba(255, 255, 255, 0.9)),
    var(--white);
  border: 1px solid var(--line);
  padding: 42px 46px;
  overflow: hidden;
}

.news-featured::before {
  content: "NEWS";
  position: absolute;
  right: 34px;
  top: 20px;
  font-size: 78px;
  font-weight: 800;
  color: rgba(24, 184, 181, 0.08);
  line-height: 1;
}

.news-featured-label {
  color: var(--teal-dark);
  font-size: var(--font-label);
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.news-featured h3 {
  position: relative;
  z-index: 2;
  color: var(--navy);
  font-size: var(--font-subsection-title);
  line-height: var(--line-section-title);
  margin-bottom: 16px;
}

.news-featured p {
  position: relative;
  z-index: 2;
  max-width: 760px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.news-meta {
  display: flex;
  gap: 12px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.news-meta span {
  display: inline-flex;
  padding: 8px 14px;
  background: rgba(24, 184, 181, 0.1);
  color: var(--teal-dark);
  font-family: var(--font-family-ui);
  font-size: var(--font-dropdown);
  line-height: 1.35;
  font-weight: 700;
}

.news-list {
  display: grid;
  gap: 14px;
}

.news-list-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 26px 30px;
  transition: 0.25s ease;
}

.news-list-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(16, 47, 70, 0.08);
}

.news-date {
  color: rgba(24, 184, 181, 0.25);
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
}

.news-list-item h3 {
  color: var(--navy);
  font-size: var(--font-card-title);
  margin-bottom: 10px;
  line-height: var(--line-card-title);
}

.news-list-item p {
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

/* 新闻列表响应式规则。 */
@media (max-width: 900px) {
  .news-layout {
    grid-template-columns: 1fr;
  }

  .news-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

}

@media (max-width: 560px) {
  .news-sidebar {
    grid-template-columns: 1fr;
  }

  .news-list-item {
    grid-template-columns: 1fr;
  }

  .news-featured {
    padding: 34px 26px;
  }
}
/* =========================================================
   20. 联系面板最终版
   本段统一卡片尺寸、长文案换行和不同语言下的对齐方式。
========================================================= */

.contact-panel {
  position: relative;
  z-index: 2;
  background: var(--soft);
  border: 1px solid var(--line);
  border-top: 8px solid var(--teal);
  padding: 42px 44px;
  max-width: 620px;
}

.contact-info-list {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-info-list p {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  margin: 0;
  color: var(--navy);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.contact-info-list strong {
  color: var(--navy);
  font-weight: 800;
  white-space: nowrap;
}

/* 俄语联系字段较长，标签和值改为上下排列，避免在固定宽度面板中重叠。 */
html[lang="ru"] .contact-info-list p {
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

html[lang="ru"] .contact-info-list strong {
  white-space: normal;
}

html[lang="ru"] .contact-info-list span,
html[lang="ru"] .contact-info-list a {
  min-width: 0;
  overflow-wrap: anywhere;
}

.contact-email-link {
  color: var(--navy);
  text-decoration: none;
  word-break: break-word;
}

.contact-email-link:hover {
  color: var(--teal-dark);
  text-decoration: underline;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.contact-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 126px;
  height: 48px;
  padding: 0 20px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--navy);
  font-size: var(--font-button);
  font-weight: 700;
  text-decoration: none;
  transition: 0.25s ease;
  position: relative;
  z-index: 5;
}

.contact-actions a:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #ffffff;
}

.contact-btn {
  position: relative;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  height: 58px;
  padding: 0 32px;
  background: var(--teal);
  color: #ffffff;
  font-size: var(--font-button);
  font-weight: 800;
  text-decoration: none;
  transition: 0.25s ease;
}

.contact-btn:hover {
  background: var(--teal-dark);
  color: #ffffff;
}

/* 联系面板手机端布局。 */
@media (max-width: 640px) {
  .contact-panel {
    padding: 34px 26px;
  }

  .contact-info-list p {
    grid-template-columns: 1fr;
    gap: 4px;
    font-size: var(--font-body);
  }

  .contact-actions a {
    flex: 1 1 100%;
  }

  .contact-btn {
    width: 100%;
  }
}
.copy-email-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 126px;
  height: 48px;
  padding: 0 20px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--navy);
  font-family: var(--font-family-ui);
  font-size: var(--font-button);
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s ease;
}

.copy-email-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #ffffff;
}

/* 联系信息卡片。 */
.contact-section .contact-layout {
  grid-template-columns: minmax(0, 1fr) minmax(430px, 520px);
  gap: clamp(52px, 7vw, 104px);
}

.contact-section .contact-panel {
  max-width: none;
  padding: 38px 40px 32px;
  border: 1px solid #dce8e9;
  border-top: 0;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 55px rgba(16, 47, 70, 0.08);
}

.contact-section .contact-panel::before {
  top: 0;
  width: 100%;
  height: 4px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(90deg, var(--teal), var(--teal-dark));
}

.contact-section .contact-info-list {
  gap: 0;
  margin: 0;
}

.contact-info-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid #edf2f3;
}

.contact-info-item:last-child { border-bottom: 0; }

.contact-info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #eef9f8;
  color: var(--teal-dark);
}

.contact-info-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-info-item > div { min-width: 0; }
.contact-info-item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: var(--font-label);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: normal;
}

.contact-info-item span:not(.contact-info-icon),
.contact-info-item a {
  display: block;
  color: var(--navy);
  font-size: var(--font-body);
  line-height: var(--line-body);
  overflow-wrap: anywhere;
  transition: color 180ms ease;
}

.contact-info-item a:hover { color: var(--teal-dark); }

.contact-social-icons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #edf2f3;
}

.contact-social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--navy);
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.contact-social-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.contact-social-icon.facebook svg { fill: currentColor; stroke: none; }
.contact-social-icon:hover { color: #fff; border-color: var(--teal-dark); background: var(--teal-dark); transform: translateY(-2px); }
.contact-social-icon.whatsapp:hover { border-color: #25d366; background: #25d366; }
.contact-social-icon.facebook:hover { border-color: #1877f2; background: #1877f2; }

html[dir="rtl"] .contact-info-item { grid-template-columns: minmax(0, 1fr) 44px; }
html[dir="rtl"] .contact-info-icon { grid-column: 2; grid-row: 1; }
html[dir="rtl"] .contact-info-item > div { grid-column: 1; grid-row: 1; }

@media (max-width: 980px) {
  .contact-section .contact-layout { grid-template-columns: 1fr; }
  .contact-section .contact-panel { width: 100%; max-width: 680px; }
}

@media (max-width: 640px) {
  .contact-section .contact-panel { padding: 28px 22px 24px; }
  .contact-info-item { grid-template-columns: 38px minmax(0, 1fr); gap: 13px; }
  .contact-info-icon { width: 38px; height: 38px; }
  .contact-social-icon { width: 42px; height: 42px; }
  html[dir="rtl"] .contact-info-item { grid-template-columns: minmax(0, 1fr) 38px; }
}

/* =========================================================
   21. 产品卡片统一尺寸
========================================================= */
:root {
  --primary-card-media-height: 180px;
  --secondary-card-media-height: 240px;
  --product-card-gap: 24px;
}

/* 首页产品中心：桌面端紧凑的三列两行布局。 */
#products.catalog-section {
  padding: 32px 0 40px;
}

#products .section-title-row {
  margin-bottom: 20px;
  padding-bottom: 12px;
}

#products .section-number {
  font-size: 64px;
}

#products .product-category-grid {
  gap: var(--product-card-gap) !important;
}

#products .product-category-card {
  min-height: 340px !important;
}

#products .product-index {
  display: block !important;
  top: 16px !important;
  right: 18px !important;
  font-size: 42px !important;
}

/* 首页和产品中心共用的一级分类图片尺寸。 */
#products .product-image-box,
.product-list-card img {
  box-sizing: border-box;
  height: var(--primary-card-media-height) !important;
  min-height: var(--primary-card-media-height);
  object-fit: contain !important;
  object-position: center;
  overflow: hidden;
}

#products .product-image-box {
  align-items: center !important;
  justify-content: center !important;
  padding: 18px !important;
}

#products .product-image-box img {
  position: static !important;
  width: 100% !important;
  height: 100% !important;
  max-width: 76% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center !important;
}

#products .product-content {
  padding: 18px 22px 22px !important;
}

#products .product-content h3 {
  min-height: var(--card-title-block);
  margin-bottom: 8px !important;
  font-size: var(--font-card-title) !important;
  line-height: var(--line-card-title) !important;
}

#products .product-content p {
  min-height: 4.8em;
  margin-bottom: 14px !important;
  font-size: var(--font-card-body) !important;
  line-height: var(--line-card-body) !important;
}

/* 产品中心列表页。 */
.product-page-hero {
  padding: 28px 0 20px;
}

.product-page-hero .product-center-heading {
  margin-bottom: 14px;
  padding-bottom: 12px;
  font-size: var(--font-page-title);
}

.product-page-hero p {
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.product-page {
  padding: 20px 0 48px;
}

.product-page-layout {
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 30px;
}

.product-sidebar {
  padding: 18px;
}

.product-sidebar h3 {
  margin-bottom: 12px;
  font-size: var(--font-card-title);
}

.product-sidebar a {
  margin-bottom: 6px;
  padding: 10px 12px;
  font-size: var(--font-dropdown);
}

.product-list-grid {
  gap: var(--product-card-gap);
  align-items: stretch;
}

.product-list-card {
  min-height: 350px;
  padding: 18px 20px 20px;
}

.product-list-card img {
  margin-bottom: 16px;
  padding: 8px;
  background: #f8fbfc;
}

.product-list-card h3 {
  min-height: var(--card-title-block);
  margin-bottom: 8px;
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
}

.product-list-card p {
  flex: 1;
  min-height: 4.8em;
  margin-bottom: 12px;
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

/* 二级产品系列卡片共用的图片尺寸。 */
.series-grid {
  align-items: stretch;
  gap: var(--product-card-gap);
}

.series-card {
  height: 100%;
  min-height: 455px;
}

.series-card img {
  box-sizing: border-box;
  width: 100%;
  height: var(--secondary-card-media-height);
  aspect-ratio: auto;
  padding: 16px;
  object-fit: contain;
  object-position: center;
  background: #f8fbfc;
}

.series-card > div {
  min-height: 154px;
  padding: 20px;
}

.series-card h2 {
  min-height: var(--card-title-block);
  margin-bottom: 8px;
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
}

.series-card p {
  flex: 1;
  margin-bottom: 16px;
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

/* 三级产品详情主图有意大于普通卡片图片，突出具体产品。 */
.pending-product-media {
  min-height: 420px;
  padding: 36px;
}

.pending-product-media img {
  width: 100%;
  height: 360px;
  max-height: 360px;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 1080px) {
  #products.catalog-section {
    padding: 48px 0;
  }

  #products .product-category-card {
    min-height: 350px !important;
  }
}

@media (max-width: 980px) {
  .product-page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  :root {
    --primary-card-media-height: 190px;
    --secondary-card-media-height: 220px;
  }

  #products.catalog-section {
    padding: 40px 0;
  }

  #products .section-title-row {
    margin-bottom: 18px;
  }

  #products .section-number {
    font-size: 46px;
  }

  #products .product-category-grid,
  .product-list-grid,
  .series-grid {
    gap: 18px !important;
  }

  #products .product-category-card,
  .product-list-card,
  .series-card {
    min-height: auto !important;
  }

  #products .product-image-box {
    height: var(--primary-card-media-height) !important;
  }

  #products .product-image-box img {
    max-width: 82% !important;
    max-height: 100% !important;
  }

  #products .product-content,
  .series-card > div {
    padding: 20px !important;
  }

  #products .product-content h3,
  #products .product-content p,
  .product-list-card h3,
  .product-list-card p,
  .series-card h2 {
    min-height: 0;
  }

  .product-page-hero {
    padding: 42px 0 34px;
  }

  .product-page {
    padding: 28px 0 42px;
  }

  .product-list-card {
    padding: 18px;
  }

  .series-card img {
    height: var(--secondary-card-media-height);
    padding: 14px;
  }

  .pending-product-media {
    min-height: 300px;
    padding: 24px;
  }

  .pending-product-media img {
    height: 260px;
    max-height: 260px;
  }
}

/* =========================================================
   22. 新闻中心图文版式
========================================================= */
#news.catalog-section {
  padding: 72px 0 84px;
  background: var(--soft);
}

#news .section-title-row {
  margin-bottom: 26px;
}

.news-category-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
  overflow-x: auto;
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
  padding-bottom: 4px;
}

.news-category-tabs button {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #edf5f6;
  color: var(--navy);
  font: inherit;
  font-family: var(--font-family-ui);
  font-size: var(--font-button);
  font-weight: 700;
  cursor: default;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.news-category-tabs button:hover {
  border-color: rgba(24, 184, 181, 0.55);
  color: var(--teal-dark);
}

.news-category-tabs button.active {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.news-content {
  display: grid;
  gap: 28px;
}

.news-featured-card,
.news-card {
  color: inherit;
  text-decoration: none;
}

.news-featured-card {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  min-height: 410px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(16, 47, 70, 0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.news-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(16, 47, 70, 0.1);
}

.news-featured-media,
.news-card-media {
  overflow: hidden;
  background: #dfeaec;
}

.news-featured-media {
  min-height: 410px;
}

.news-featured-media img,
.news-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.22s ease;
}

.news-featured-card:hover img,
.news-card:hover img {
  transform: scale(1.035);
}

.news-featured-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
}

.news-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 16px;
}

.news-category-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(24, 184, 181, 0.12);
  color: var(--teal-dark);
  font-size: var(--font-label);
  font-weight: 800;
}

.news-card-meta time {
  color: var(--muted);
  font-size: var(--font-label);
}

.news-featured-body h3 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: var(--font-subsection-title);
  line-height: var(--line-section-title);
}

.news-featured-body p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  color: var(--teal-dark);
  font-size: var(--font-button);
  font-weight: 800;
}

.news-read-more::after {
  content: "→";
  margin-inline-start: 8px;
}

.news-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.news-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(16, 47, 70, 0.045);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(16, 47, 70, 0.09);
}

.news-card-media {
  aspect-ratio: 16 / 9;
}

.news-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.news-card-body h3 {
  display: -webkit-box;
  min-height: 2.7em;
  margin-bottom: 12px;
  overflow: hidden;
  color: var(--navy);
  font-size: var(--font-card-title);
  line-height: var(--line-card-title);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.news-card-body p {
  display: -webkit-box;
  margin-bottom: 20px;
  overflow: hidden;
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.news-card[hidden],
.news-featured-card[hidden] {
  display: none;
}

.news-empty-state {
  margin: 0;
  padding: 28px;
  border: 1px dashed rgba(24, 184, 181, 0.45);
  border-radius: 10px;
  background: var(--white);
  color: var(--muted);
  text-align: center;
}

/* 新闻详情页与暂无内容提示。 */
.news-detail-page {
  background: var(--soft);
}

.news-detail-hero {
  padding: 58px 0 46px;
  background: linear-gradient(90deg, rgba(16, 47, 70, 0.96), rgba(15, 143, 145, 0.8));
  color: #ffffff;
}

.news-detail-hero .breadcrumb {
  margin-bottom: 22px;
}

.news-detail-hero .breadcrumb a {
  color: #d8ffff;
}

.news-detail-hero h1 {
  max-inline-size: var(--page-title-max);
  margin-bottom: 18px;
  color: #ffffff;
  font-size: var(--font-page-title);
  line-height: var(--line-page-title);
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: normal;
}

.news-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: rgba(255, 255, 255, 0.82);
}

.news-detail-content {
  padding: 56px 0 80px;
}

.news-detail-article {
  overflow: hidden;
  max-width: 1040px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(16, 47, 70, 0.06);
}

.news-detail-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #dfeaec;
}

.news-detail-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.news-detail-copy {
  padding: 42px;
}

.news-detail-copy p {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.news-detail-list {
  margin: 0 0 28px;
  padding-inline-start: 1.45rem;
  color: var(--text-color, #25313c);
}

.news-detail-list li {
  margin-bottom: 12px;
  padding-inline-start: 0.35rem;
  line-height: 1.85;
}

.news-detail-copy h2 {
  margin: 8px 0 18px;
  color: var(--navy);
  font-size: var(--font-subsection-title);
  line-height: var(--line-section-title);
}

.news-detail-copy .news-detail-lead {
  color: var(--navy);
  font-size: calc(var(--font-body) + 2px);
  font-weight: 650;
}

.annual-gala-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin: 36px 0 34px;
}

.annual-gala-gallery figure {
  overflow: hidden;
  margin: 0;
  border-radius: 14px;
  background: var(--soft);
}

.annual-gala-gallery figure:first-child {
  grid-column: 1 / -1;
}

.annual-gala-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.annual-gala-gallery figcaption {
  padding: 14px 16px 16px;
  color: var(--muted);
  font-size: var(--font-card-body);
  line-height: var(--line-card-body);
}

.news-back-link {
  display: inline-flex;
  color: var(--teal-dark);
  font-size: var(--font-button);
  font-weight: 800;
}

html[dir="rtl"] .news-featured-media,
html[dir="rtl"] .news-card-media,
html[dir="rtl"] .news-detail-image,
html[dir="rtl"] .news-featured-media img,
html[dir="rtl"] .news-card-media img,
html[dir="rtl"] .news-detail-image img {
  direction: ltr;
}

@media (max-width: 980px) {
  .news-featured-card {
    grid-template-columns: 1fr;
  }

  .news-featured-media {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .news-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  #news.catalog-section {
    padding: 48px 0 58px;
  }

  .news-category-tabs {
    margin-inline: 0;
    padding-inline: 0;
  }

  .news-featured-card {
    min-height: 0;
  }

  .news-featured-body,
  .news-card-body,
  .news-detail-copy {
    padding: 24px;
  }

  .news-card-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .annual-gala-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .annual-gala-gallery figure:first-child {
    grid-column: auto;
  }

  .news-card-body h3 {
    min-height: 0;
  }

  .news-detail-hero {
    padding: 44px 0 36px;
  }

  .news-detail-content {
    padding: 36px 0 56px;
  }
}

/* =========================================================
   23. 首页视觉增强
   所有选择器均限定在 html.homepage，便于独立调整且不影响内页。
========================================================= */

html.homepage body {
  background: #f1f7f8;
}

html.homepage .top-header {
  box-shadow: 0 10px 30px rgba(10, 43, 61, 0.07);
}

html.homepage .header-line {
  background: linear-gradient(90deg, transparent 0 24%, var(--teal) 24% 94%, #38d0c8 94% 100%);
}

html.homepage .home-scroll-section:not(#home) {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

html.homepage .home-scroll-section:not(#home)::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -180px;
  right: -160px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 184, 181, 0.12), rgba(24, 184, 181, 0) 70%);
  pointer-events: none;
}

html.homepage #products {
  background: linear-gradient(145deg, #f7fbfc 0%, #ffffff 48%, #edf7f7 100%);
}

html.homepage #applications {
  padding: 48px 0 54px;
  background: linear-gradient(160deg, #eaf5f6 0%, #f7fbfb 56%, #eef8f7 100%);
}

html.homepage #about {
  padding: 68px 0 74px;
  background: linear-gradient(145deg, #f8fbfb 0%, #ffffff 62%, #edf7f7 100%);
}

html.homepage #contact {
  padding: 72px 0 76px;
  background:
    radial-gradient(circle at 16% 22%, rgba(24, 184, 181, 0.2), transparent 30%),
    linear-gradient(125deg, #08283b 0%, #0d4052 58%, #0f7477 100%);
}

html.homepage .section-title-row,
html.homepage .about-heading-row {
  position: relative;
  border-bottom-color: rgba(30, 91, 104, 0.16);
}

html.homepage .home-section-title {
  padding-inline-start: 58px;
  color: #0b5360;
}

html.homepage .home-section-title::before {
  left: 0;
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), #55d7d0);
  transform: translateY(-50%);
  transform-origin: left center;
  transition: width 320ms ease, box-shadow 320ms ease;
}

html.homepage .home-scroll-section.is-section-active .home-section-title::before {
  width: 46px;
  box-shadow: 0 0 0 7px rgba(24, 184, 181, 0.1);
}

html.homepage .section-number {
  color: transparent;
  opacity: 0.72;
  -webkit-text-stroke: 1px rgba(15, 143, 145, 0.3);
  transition: opacity 300ms ease, transform 300ms ease;
}

html.homepage .home-scroll-section.is-section-active .section-number {
  opacity: 1;
  transform: translateY(-3px);
}

html.homepage .slide-overlay {
  background:
    linear-gradient(90deg, rgba(3, 20, 35, 0.72) 0%, rgba(3, 24, 41, 0.45) 43%, rgba(3, 20, 35, 0.06) 78%),
    linear-gradient(180deg, rgba(3, 20, 35, 0.02), rgba(3, 20, 35, 0.25));
}

html.homepage .slide-content::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -24px;
  top: 50%;
  width: min(720px, 68vw);
  height: min(430px, 68%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 4px solid var(--teal);
  border-radius: 0 24px 24px 0;
  background: linear-gradient(105deg, rgba(4, 28, 46, 0.58), rgba(4, 28, 46, 0.12));
  box-shadow: 0 24px 70px rgba(0, 13, 25, 0.18);
  backdrop-filter: blur(3px);
  transform: translateY(-50%);
}

html.homepage .slide-kicker {
  color: #9df1eb;
}

html.homepage .slide-btn {
  min-height: 48px;
  padding-inline: 30px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), #0f9fa0);
  box-shadow: 0 12px 30px rgba(24, 184, 181, 0.28);
}

html.homepage .slider-arrow {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  background: rgba(6, 34, 53, 0.32);
  backdrop-filter: blur(8px);
}

html.homepage #products .product-category-grid {
  gap: 18px !important;
  background: transparent !important;
}

html.homepage #products .product-category-card {
  min-height: 308px !important;
  border: 1px solid rgba(190, 214, 218, 0.78) !important;
  border-radius: 18px !important;
  background: rgba(255, 255, 255, 0.92) !important;
  box-shadow: 0 12px 32px rgba(15, 61, 78, 0.07);
}

html.homepage #products .product-category-card:hover {
  border-color: rgba(24, 184, 181, 0.52) !important;
  box-shadow: 0 22px 48px rgba(15, 61, 78, 0.14) !important;
}

html.homepage #products .product-image-box {
  height: 148px !important;
  min-height: 148px;
  background:
    radial-gradient(circle at 68% 46%, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0) 38%),
    linear-gradient(135deg, #dff2f2 0%, #f8fbfc 58%, #d8ecee 100%) !important;
}

html.homepage #products .product-image-box::before {
  left: 20px !important;
  top: 20px !important;
  width: 48px !important;
  height: 48px !important;
  border-width: 3px !important;
}

html.homepage #products .product-image-box img {
  max-width: 70% !important;
}

html.homepage #products .product-index {
  top: 15px !important;
  right: 18px !important;
  font-size: 34px !important;
  color: rgba(24, 184, 181, 0.22) !important;
}

html.homepage #products .product-content {
  padding: 16px 20px 19px !important;
}

html.homepage #products .product-content h3 {
  margin-bottom: 6px !important;
}

html.homepage #products .product-content p {
  display: -webkit-box;
  min-height: 3.2em;
  margin-bottom: 10px !important;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html.homepage #products .product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

html.homepage #products .product-card-link::after {
  content: "›";
  font-size: 20px;
  line-height: 1;
  transition: transform 180ms ease;
}

html.homepage #products .product-category-card:hover .product-card-link::after {
  transform: translateX(4px);
}

html.homepage #applications .applications-carousel {
  padding: 18px;
  border: 1px solid rgba(190, 214, 218, 0.76);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 20px 55px rgba(15, 61, 78, 0.08);
}

html.homepage #applications .applications-nav {
  margin-bottom: 16px;
}

html.homepage #applications .applications-arrow {
  border-color: rgba(24, 184, 181, 0.25);
  box-shadow: 0 8px 20px rgba(15, 61, 78, 0.07);
}

html.homepage #applications .application-card {
  border: 0;
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(8, 40, 58, 0.16);
}

html.homepage #news.catalog-section {
  padding: 36px 0 20px;
  background:
    radial-gradient(circle at 88% 12%, rgba(24, 184, 181, 0.22), transparent 27%),
    linear-gradient(132deg, #071f31 0%, #0b3447 56%, #0a4f59 100%);
}

html.homepage #news::after {
  background: radial-gradient(circle, rgba(82, 225, 216, 0.2), rgba(24, 184, 181, 0) 70%);
}

html.homepage #news .section-title-row {
  margin-bottom: 18px;
  border-bottom-color: rgba(211, 239, 241, 0.16);
}

html.homepage #news .home-section-title {
  color: #ffffff;
}

html.homepage #news .section-number {
  -webkit-text-stroke-color: rgba(109, 232, 224, 0.35);
}

html.homepage #news .news-category-tabs {
  gap: 8px;
  margin-bottom: 18px;
  padding-bottom: 2px;
  scrollbar-width: none;
}

html.homepage #news .news-category-tabs::-webkit-scrollbar {
  display: none;
}

html.homepage #news .news-category-tabs button {
  min-height: 38px;
  padding: 0 15px;
  border-color: rgba(216, 239, 241, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
}

html.homepage #news .news-category-tabs button:hover {
  border-color: rgba(91, 225, 216, 0.58);
  background: rgba(255, 255, 255, 0.13);
  color: #ffffff;
}

html.homepage #news .news-category-tabs button.active {
  border-color: var(--teal);
  background: linear-gradient(90deg, var(--teal), #0f9a9c);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(24, 184, 181, 0.22);
}

html.homepage #news .news-content {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, 0.84fr);
  gap: 20px;
}

html.homepage #news .news-featured-card {
  position: relative;
  display: block;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid rgba(210, 237, 239, 0.16);
  border-radius: 22px;
  background: #102f46;
  box-shadow: 0 24px 60px rgba(0, 12, 22, 0.24);
}

html.homepage #news .news-featured-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(5, 24, 37, 0.02) 24%, rgba(5, 24, 37, 0.9) 100%);
  pointer-events: none;
}

html.homepage #news .news-featured-media {
  position: absolute;
  inset: 0;
  min-height: 0;
}

html.homepage #news .news-featured-body {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  justify-content: flex-end;
  padding: 32px;
}

html.homepage #news .news-featured-body h3 {
  max-width: 700px;
  margin-bottom: 10px;
  color: #ffffff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.24);
}

html.homepage #news .news-featured-body p {
  display: -webkit-box;
  max-width: 680px;
  margin-bottom: 14px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

html.homepage #news .news-featured-body time {
  color: rgba(255, 255, 255, 0.7);
}

html.homepage #news .news-read-more {
  margin-top: 0;
  color: #74e5de;
}

html.homepage #news .news-card-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-content: stretch;
}

html.homepage #news .news-card {
  display: grid;
  grid-template-columns: 142px minmax(0, 1fr);
  min-height: 124px;
  border: 1px solid rgba(214, 236, 238, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(0, 12, 22, 0.14);
}

html.homepage #news .news-card-media {
  height: 100%;
  min-height: 124px;
  aspect-ratio: auto;
}

html.homepage #news .news-card-body {
  justify-content: center;
  padding: 16px 18px;
}

html.homepage #news .news-card-meta {
  margin-bottom: 8px;
}

html.homepage #news .news-card-body h3 {
  min-height: 0;
  margin-bottom: 0;
  -webkit-line-clamp: 2;
}

html.homepage #news .news-card-body p {
  display: none;
}

html.homepage #news .news-card[hidden],
html.homepage #news .news-featured-card[hidden] {
  display: none;
}

html.homepage #news .news-content.news-without-featured .news-card-grid {
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

html.homepage #news .news-content.news-only-featured {
  grid-template-columns: minmax(0, 1fr);
}

html.homepage #news .news-content.news-only-featured .news-featured-card {
  min-height: 360px;
}

html.homepage #about .about-profile-watermark {
  opacity: 0.04;
}

html.homepage #about .about-heading-row {
  margin-bottom: 26px;
}

html.homepage #about .about-profile-inner {
  gap: 28px;
}

html.homepage #about .about-profile-content {
  padding: 30px 32px;
  border: 1px solid rgba(190, 214, 218, 0.78);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 48px rgba(15, 61, 78, 0.08);
}

html.homepage #about .about-profile-eyebrow {
  margin-bottom: 20px;
  border-radius: 0 12px 12px 0;
  background: #eef8f8;
}

html.homepage #about .about-profile-panels {
  min-height: 0;
}

html.homepage #about .about-profile-button {
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(15, 143, 145, 0.18);
}

html.homepage #about .about-profile-media {
  border: 8px solid rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  box-shadow: 0 22px 55px rgba(15, 61, 78, 0.14);
}

html.homepage #contact .home-section-title {
  color: #ffffff;
}

html.homepage #contact .home-section-title::before {
  background: linear-gradient(90deg, #55d7d0, #9df1eb);
}

html.homepage #contact .contact-layout > div:first-child > p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.76);
}

html.homepage #contact .contact-panel {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 24px;
  box-shadow: 0 28px 70px rgba(0, 12, 22, 0.28);
}

html.homepage #contact .contact-panel::before {
  height: 5px;
  border-radius: 24px 24px 0 0;
  background: linear-gradient(90deg, #4edbd3, var(--teal-dark));
}

.home-section-rail {
  display: none;
}

@media (min-width: 1025px) and (any-pointer: fine) and (prefers-reduced-motion: no-preference) {
  .home-section-rail {
    position: fixed;
    z-index: 45;
    top: 50%;
    right: 2px;
    display: grid;
    gap: 3px;
    padding: 8px 4px;
    border: 1px solid rgba(172, 206, 211, 0.62);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 14px 36px rgba(9, 42, 58, 0.12);
    backdrop-filter: blur(12px);
    transform: translateY(-50%);
    transition: box-shadow 250ms ease, background-color 250ms ease;
  }

  html.is-home-scrolling .home-section-rail {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 44px rgba(9, 42, 58, 0.2);
  }

  .home-section-rail button {
    display: grid;
    grid-template-columns: 18px 12px;
    gap: 4px;
    align-items: center;
    width: 34px;
    height: 28px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #82969d;
    cursor: pointer;
  }

  .home-section-rail-number {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    transition: color 220ms ease;
  }

  .home-section-rail-marker {
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: #abc0c5;
    transition: width 240ms ease, height 240ms ease, background-color 240ms ease, box-shadow 240ms ease;
  }

  .home-section-rail button:hover,
  .home-section-rail button.is-active {
    color: var(--teal-dark);
  }

  .home-section-rail button.is-active .home-section-rail-marker {
    width: 12px;
    height: 5px;
    background: var(--teal);
    box-shadow: 0 0 0 5px rgba(24, 184, 181, 0.12);
  }
}

html.homepage.is-script-scrolling {
  scroll-behavior: auto;
}

html[dir="rtl"].homepage .home-section-title {
  padding-right: 58px;
  padding-left: 0;
}

html[dir="rtl"].homepage .home-section-title::before {
  right: 0;
  left: auto;
  transform-origin: right center;
}

html[dir="rtl"].homepage .slide-content::before {
  right: -24px;
  left: auto;
  border-right: 4px solid var(--teal);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px 0 0 24px;
}

@media (max-width: 1080px) {
  html.homepage #products .product-category-card {
    min-height: 330px !important;
  }
}

@media (max-width: 980px) {
  html.homepage .slide-content::before {
    width: min(760px, calc(100% + 24px));
  }

  html.homepage #news .news-content,
  html.homepage #news .news-content.news-only-featured {
    grid-template-columns: 1fr;
  }

  html.homepage #news .news-featured-card {
    min-height: 460px;
  }

  html.homepage #news .news-card-grid,
  html.homepage #news .news-content.news-without-featured .news-card-grid {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  html.homepage #about .about-profile-inner {
    gap: 24px;
  }
}

@media (max-width: 640px) {
  html.homepage .home-scroll-section:not(#home)::after {
    width: 300px;
    height: 300px;
  }

  html.homepage .home-section-title {
    padding-inline-start: 42px;
  }

  html.homepage .home-section-title::before {
    width: 28px;
  }

  html.homepage .home-scroll-section.is-section-active .home-section-title::before {
    width: 34px;
    box-shadow: 0 0 0 5px rgba(24, 184, 181, 0.1);
  }

  html.homepage .slide-content::before {
    left: -12px;
    width: calc(100% + 12px);
    height: 76%;
    border-radius: 0 18px 18px 0;
    background: linear-gradient(105deg, rgba(4, 28, 46, 0.55), rgba(4, 28, 46, 0.08));
  }

  html.homepage #products .product-category-card {
    min-height: 0 !important;
  }

  html.homepage #products .product-image-box {
    height: 178px !important;
    min-height: 178px;
  }

  html.homepage #products .product-content p {
    display: block;
    min-height: 0;
    overflow: visible;
  }

  html.homepage #applications {
    padding: 42px 0 48px;
  }

  html.homepage #applications .applications-carousel {
    padding: 12px;
    border-radius: 20px;
  }

  html.homepage #news.catalog-section {
    padding: 42px 0 48px;
  }

  html.homepage #news .news-featured-card,
  html.homepage #news .news-content.news-only-featured .news-featured-card {
    min-height: 420px;
  }

  html.homepage #news .news-featured-body {
    padding: 24px;
  }

  html.homepage #news .news-card {
    grid-template-columns: 112px minmax(0, 1fr);
    min-height: 126px;
  }

  html.homepage #news .news-card-media {
    min-height: 126px;
  }

  html.homepage #news .news-card-body {
    padding: 14px;
  }

  html.homepage #about {
    padding: 54px 0 60px;
  }

  html.homepage #about .about-profile-content {
    padding: 24px 22px;
    border-radius: 18px;
  }

  html.homepage #contact {
    padding: 58px 0 64px;
  }

  html[dir="rtl"].homepage .home-section-title {
    padding-right: 42px;
  }

  html[dir="rtl"].homepage .slide-content::before {
    right: -12px;
    left: auto;
    border-radius: 18px 0 0 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.homepage .home-section-title::before,
  html.homepage .section-number,
  .home-section-rail,
  .home-section-rail * {
    transition: none !important;
  }
}

/* =========================================================
   24. 首页入场动效
========================================================= */

html.homepage.home-motion-ready .home-reveal-item {
  opacity: 0;
  filter: blur(5px);
  transform: translateY(28px) scale(0.985);
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--home-reveal-delay, 0ms),
    filter 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--home-reveal-delay, 0ms),
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--home-reveal-delay, 0ms),
    box-shadow 250ms ease,
    border-color 250ms ease;
  will-change: opacity, filter, transform;
}

html.homepage.home-motion-ready .home-reveal-item.is-revealed {
  opacity: 1;
  filter: none;
  transform: none;
}

html.homepage .home-scroll-section:not(#home)::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(24, 184, 181, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 184, 181, 0.055) 1px, transparent 1px);
  background-position: 0 0;
  background-size: 54px 54px;
  mask-image: linear-gradient(110deg, transparent 8%, #000 44%, transparent 90%);
  pointer-events: none;
}

html.homepage .home-scroll-section.is-section-active:not(#home)::before {
  animation: homeGridDrift 12s linear infinite;
}

html.homepage .home-scroll-section.is-section-active:not(#home)::after {
  animation: homeAmbientFloat 7s ease-in-out infinite alternate;
}

html.homepage.is-home-scrolling .home-scroll-section.is-section-active .section-number {
  animation: homeNumberArrive 760ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

html.homepage .slide.active .slide-bg {
  animation: homeHeroDrift 12s ease-in-out infinite alternate;
}

html.homepage .slide.active .slide-kicker,
html.homepage .slide.active h1,
html.homepage .slide.active .slide-content > p:not(.slide-kicker),
html.homepage .slide.active .slide-btn {
  animation: homeHeroCopyIn 720ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

html.homepage .slide.active h1 {
  animation-delay: 70ms;
}

html.homepage .slide.active .slide-content > p:not(.slide-kicker) {
  animation-delay: 140ms;
}

html.homepage .slide.active .slide-btn {
  animation-delay: 210ms;
}

html.homepage .slide-btn {
  position: relative;
  overflow: hidden;
}

html.homepage .slide-btn::after {
  content: "";
  position: absolute;
  top: -60%;
  bottom: -60%;
  left: -55%;
  width: 36%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.48), transparent);
  transform: skewX(-20deg);
  transition: left 560ms ease;
  pointer-events: none;
}

html.homepage .slide-btn:hover::after {
  left: 125%;
}

html.homepage #products .product-category-card::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 190px at var(--home-spot-x, 50%) var(--home-spot-y, 35%),
    rgba(95, 235, 226, 0.24),
    rgba(255, 255, 255, 0) 72%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}

html.homepage #products .product-category-card.has-pointer-spotlight::after {
  opacity: 1;
}

html.homepage #products .product-image-box img {
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1), filter 420ms ease;
}

html.homepage #products .product-category-card:hover .product-image-box img {
  filter: drop-shadow(0 16px 20px rgba(10, 48, 64, 0.16));
  transform: translateY(-5px) scale(1.065);
}

html.homepage #products .product-image-box::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -48px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(24, 184, 181, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 0 24px rgba(24, 184, 181, 0.045), 0 0 0 50px rgba(24, 184, 181, 0.025);
  transition: transform 500ms ease;
}

html.homepage #products .product-category-card:hover .product-image-box::after {
  transform: scale(1.14) translate(-7px, -7px);
}

html.homepage #applications .application-card img {
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1), filter 450ms ease;
}

html.homepage #applications .application-card:hover img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.075);
}

html.homepage #applications .application-card-content {
  transition: padding-bottom 360ms ease, background 360ms ease;
}

html.homepage #applications .application-card:hover .application-card-content {
  padding-bottom: 34px;
  background: linear-gradient(180deg, transparent 0%, rgba(9, 34, 53, 0.78) 30%, rgba(7, 30, 48, 0.98) 100%);
}

html.homepage #news .news-featured-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(108deg, transparent 28%, rgba(255, 255, 255, 0.22) 46%, transparent 64%);
  transform: translateX(-120%);
  transition: transform 850ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

html.homepage #news .news-featured-card:hover .news-featured-media::after {
  transform: translateX(120%);
}

html.homepage #news .news-featured-card:hover img {
  transform: scale(1.065);
}

html.homepage #news .news-card {
  transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 300ms ease, border-color 300ms ease;
}

html.homepage #news .news-card:hover {
  border-color: rgba(84, 216, 208, 0.5);
  transform: translateX(6px);
}

html[dir="rtl"].homepage #news .news-card:hover {
  transform: translateX(-6px);
}

html.homepage #about .about-profile-media img {
  transition: transform 800ms cubic-bezier(0.22, 1, 0.36, 1), filter 500ms ease;
}

html.homepage #about .about-profile-media:hover img {
  filter: saturate(1.07) contrast(1.025);
  transform: scale(1.045);
}

html.homepage #about .about-profile-content {
  transition: transform 350ms ease, box-shadow 350ms ease;
}

html.homepage #about .about-profile-content:hover {
  box-shadow: 0 24px 58px rgba(15, 61, 78, 0.13);
  transform: translateY(-5px);
}

html.homepage #contact .contact-panel {
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 420ms ease;
}

html.homepage #contact .contact-panel:hover {
  box-shadow: 0 34px 78px rgba(0, 12, 22, 0.36);
  transform: translateY(-7px);
}

html.homepage #contact.is-section-active .contact-info-icon {
  animation: homeContactIconIn 680ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

html.homepage #contact.is-section-active .contact-info-item:nth-child(2) .contact-info-icon {
  animation-delay: 80ms;
}

html.homepage #contact.is-section-active .contact-info-item:nth-child(3) .contact-info-icon {
  animation-delay: 160ms;
}

html.homepage #contact.is-section-active .contact-info-item:nth-child(4) .contact-info-icon {
  animation-delay: 240ms;
}

@media (min-width: 1025px) and (any-pointer: fine) and (prefers-reduced-motion: no-preference) {
  .home-section-rail button.is-active .home-section-rail-marker {
    animation: homeRailPulse 1.9s ease-in-out infinite;
  }
}

@keyframes homeHeroDrift {
  0% { transform: scale(1.01) translate3d(0, 0, 0); }
  100% { transform: scale(1.055) translate3d(-0.7%, -0.4%, 0); }
}

@keyframes homeHeroCopyIn {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes homeGridDrift {
  0% { background-position: 0 0; }
  100% { background-position: 54px 54px; }
}

@keyframes homeAmbientFloat {
  0% { transform: translate3d(0, 0, 0) scale(0.94); opacity: 0.65; }
  100% { transform: translate3d(-42px, 38px, 0) scale(1.12); opacity: 1; }
}

@keyframes homeNumberArrive {
  0% { opacity: 0.15; transform: translateY(18px) scale(0.92); }
  60% { opacity: 1; transform: translateY(-7px) scale(1.025); }
  100% { opacity: 1; transform: translateY(-3px) scale(1); }
}

@keyframes homeContactIconIn {
  0% { opacity: 0; transform: scale(0.6) rotate(-12deg); }
  65% { opacity: 1; transform: scale(1.12) rotate(3deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes homeRailPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(24, 184, 181, 0.1); }
  50% { box-shadow: 0 0 0 8px rgba(24, 184, 181, 0.2); }
}

@media (prefers-reduced-motion: reduce) {
  html.homepage.home-motion-ready .home-reveal-item,
  html.homepage .home-scroll-section::before,
  html.homepage .home-scroll-section::after,
  html.homepage .slide-bg,
  html.homepage .slide-content > *,
  html.homepage #contact .contact-info-icon,
  .home-section-rail-marker {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

/* =========================================================
   25. 产品中心与首页标题动效
========================================================= */

html.product-center-page body {
  background: #f3f8f9;
}

html.product-center-page .product-page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 24%, rgba(83, 226, 217, 0.24), transparent 28%),
    linear-gradient(112deg, #092b40 0%, #0b5364 48%, #13aaa8 100%);
}

html.product-center-page .product-page-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -90% -12%;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 58px 58px;
  transform: rotate(-8deg);
  animation: productHeroGrid 16s linear infinite;
}

html.product-center-page .product-page-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 7%;
  top: 50%;
  width: 270px;
  height: 270px;
  border: 1px solid rgba(143, 255, 247, 0.23);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(89, 231, 221, 0.055),
    0 0 0 92px rgba(89, 231, 221, 0.025);
  transform: translateY(-50%);
  animation: productHeroOrbit 6.5s ease-in-out infinite alternate;
}

html.product-center-page .product-page-hero .container {
  position: relative;
  z-index: 1;
}

html.product-center-page .product-page-hero .product-center-heading {
  position: relative;
  border-bottom-color: rgba(153, 255, 248, 0.22);
  text-shadow: 0 12px 34px rgba(2, 26, 38, 0.24);
}

html.product-center-page .product-page-hero .product-center-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: min(180px, 34%);
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #6ff3e9, #18b8b5 72%, transparent);
  box-shadow: 0 0 22px rgba(111, 243, 233, 0.48);
  transform: scaleX(0);
  transform-origin: left center;
}

html.product-center-page.product-motion-ready .product-page-hero .product-center-heading {
  animation: productHeroTitleIn 820ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

html.product-center-page.product-motion-ready .product-page-hero .product-center-heading::after {
  animation: productAccentDraw 860ms cubic-bezier(0.22, 1, 0.36, 1) 260ms forwards;
}

html.product-center-page.product-motion-ready .product-page-hero p {
  animation: productHeroCopyIn 760ms cubic-bezier(0.22, 1, 0.36, 1) 140ms both;
}

html.product-center-page .product-page {
  position: relative;
  background:
    radial-gradient(circle at 84% 8%, rgba(24, 184, 181, 0.08), transparent 26%),
    linear-gradient(145deg, #f6fafb 0%, #ffffff 48%, #edf7f7 100%);
}

html.product-center-page .product-sidebar {
  overflow: hidden;
  border-color: rgba(29, 112, 124, 0.16);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(13, 57, 72, 0.075);
}

html.product-center-page .product-sidebar h3 {
  position: relative;
  padding-inline-start: 18px;
}

html.product-center-page .product-sidebar h3::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(24, 184, 181, 0.11);
  transform: translateY(-50%);
}

html.product-center-page .product-sidebar a {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  transition: color 240ms ease, background-color 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}

html.product-center-page .product-sidebar a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 3px;
  height: 0;
  border-radius: 0 4px 4px 0;
  background: #70eee6;
  transform: translateY(-50%);
  transition: height 240ms ease;
}

html.product-center-page .product-sidebar a:hover,
html.product-center-page .product-sidebar a.active {
  box-shadow: 0 10px 22px rgba(24, 184, 181, 0.16);
  transform: translateX(5px);
}

html.product-center-page .product-sidebar a:hover::before,
html.product-center-page .product-sidebar a.active::before {
  height: 58%;
}

html.product-center-page .product-list-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: rgba(29, 112, 124, 0.15);
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(13, 57, 72, 0.065);
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 360ms ease, border-color 360ms ease;
}

html.product-center-page .product-list-card::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0;
  background: radial-gradient(
    circle 210px at var(--product-spot-x, 50%) var(--product-spot-y, 32%),
    rgba(81, 227, 218, 0.2),
    transparent 72%
  );
  transition: opacity 260ms ease;
  pointer-events: none;
}

html.product-center-page .product-list-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: -30%;
  bottom: -30%;
  left: -58%;
  width: 25%;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
  transform: skewX(-18deg);
  transition: left 720ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
  pointer-events: none;
}

html.product-center-page .product-list-card > * {
  position: relative;
  z-index: 1;
}

html.product-center-page .product-list-card img {
  border-radius: 12px;
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1), filter 420ms ease;
}

html.product-center-page .product-card-link {
  align-items: center;
  gap: 7px;
  transition: color 240ms ease, gap 240ms ease;
}

html.product-center-page .product-card-link::after {
  content: "\2192";
  font-size: 1.08em;
  transition: transform 240ms ease;
}

html.product-center-page.product-motion-ready .product-reveal-item {
  opacity: 0;
  filter: blur(5px);
  translate: 0 30px;
  scale: 0.985;
  transition:
    opacity 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--product-reveal-delay, 0ms),
    filter 620ms cubic-bezier(0.22, 1, 0.36, 1) var(--product-reveal-delay, 0ms),
    translate 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--product-reveal-delay, 0ms),
    scale 720ms cubic-bezier(0.22, 1, 0.36, 1) var(--product-reveal-delay, 0ms);
}

html.product-center-page.product-motion-ready .product-sidebar.product-reveal-item {
  translate: -24px 0;
}

html.product-center-page.product-motion-ready .product-reveal-item.is-revealed {
  opacity: 1;
  filter: none;
  translate: 0;
  scale: 1;
}

@media (hover: hover) and (pointer: fine) {
  html.product-center-page .product-list-card:hover {
    border-color: rgba(24, 184, 181, 0.5);
    box-shadow: 0 28px 62px rgba(13, 57, 72, 0.16);
    transform: translateY(-9px);
  }

  html.product-center-page .product-list-card:hover::before,
  html.product-center-page .product-list-card.has-pointer-spotlight::before {
    opacity: 1;
  }

  html.product-center-page .product-list-card:hover::after {
    left: 132%;
    opacity: 1;
  }

  html.product-center-page .product-list-card:hover img {
    filter: drop-shadow(0 16px 20px rgba(8, 53, 70, 0.16));
    transform: translateY(-5px) scale(1.055);
  }

  html.product-center-page .product-list-card:hover .product-card-link {
    gap: 12px;
  }

  html.product-center-page .product-list-card:hover .product-card-link::after {
    transform: translateX(3px);
  }
}

html.homepage .slide-content h1 {
  position: relative;
  text-shadow: 0 12px 38px rgba(0, 20, 34, 0.28);
}

html.homepage .slide-content h1::after {
  content: "";
  display: block;
  width: min(190px, 38%);
  height: 4px;
  margin-top: 20px;
  border-radius: 999px;
  background: linear-gradient(90deg, #6ff3e9, rgba(111, 243, 233, 0));
  box-shadow: 0 0 24px rgba(111, 243, 233, 0.46);
  transform: scaleX(0);
  transform-origin: left center;
}

html.homepage .slide.active .slide-content h1 {
  animation:
    homeHeroTitleIn 920ms cubic-bezier(0.22, 1, 0.36, 1) 70ms both,
    homeHeroTitleGlow 3.6s ease-in-out 1.1s infinite alternate;
}

html.homepage .slide.active .slide-content h1::after {
  animation: homeHeroTitleAccent 900ms cubic-bezier(0.22, 1, 0.36, 1) 360ms forwards;
}

html.homepage.home-motion-ready .home-heading-motion {
  opacity: 0.18;
  clip-path: inset(0 102% 0 0);
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    clip-path 820ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage.home-motion-ready .home-heading-motion.is-title-visible {
  opacity: 1;
  clip-path: inset(0 -12% 0 0);
  transform: none;
  animation: homeSectionTitleGlow 3.8s ease-in-out 900ms infinite alternate;
}

html.homepage.home-motion-ready .home-heading-motion.is-title-visible::before {
  animation: homeSectionTitleAccent 820ms cubic-bezier(0.22, 1, 0.36, 1) 120ms both;
}

html[dir="rtl"].product-center-page .product-page-hero .product-center-heading::after,
html[dir="rtl"].homepage .slide-content h1::after {
  transform-origin: right center;
}

html[dir="rtl"].product-center-page .product-page-hero .product-center-heading::after,
html[dir="rtl"].product-center-page .product-sidebar h3::before,
html[dir="rtl"].product-center-page .product-sidebar a::before {
  right: 0;
  left: auto;
}

html[dir="rtl"].product-center-page .product-sidebar a:hover,
html[dir="rtl"].product-center-page .product-sidebar a.active {
  transform: translateX(-5px);
}

html[dir="rtl"].product-center-page.product-motion-ready .product-sidebar.product-reveal-item {
  translate: 24px 0;
}

html[dir="rtl"].homepage.home-motion-ready .home-heading-motion {
  clip-path: inset(0 0 0 102%);
}

html[dir="rtl"].homepage.home-motion-ready .home-heading-motion.is-title-visible {
  clip-path: inset(0 0 0 -12%);
}

@keyframes productHeroGrid {
  from { background-position: 0 0; }
  to { background-position: 58px 58px; }
}

@keyframes productHeroOrbit {
  from { opacity: 0.55; transform: translate3d(0, -54%, 0) scale(0.92); }
  to { opacity: 1; transform: translate3d(-26px, -46%, 0) scale(1.08); }
}

@keyframes productHeroTitleIn {
  0% { opacity: 0; filter: blur(8px); transform: translateY(24px); letter-spacing: 0.075em; }
  100% { opacity: 1; filter: none; transform: none; letter-spacing: var(--section-title-spacing); }
}

@keyframes productHeroCopyIn {
  0% { opacity: 0; transform: translateY(18px); }
  100% { opacity: 1; transform: none; }
}

@keyframes productAccentDraw {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes homeHeroTitleIn {
  0% { opacity: 0; filter: blur(10px); transform: translateY(30px) scale(0.975); letter-spacing: 0.065em; }
  100% { opacity: 1; filter: none; transform: none; letter-spacing: var(--hero-title-spacing); }
}

@keyframes homeHeroTitleAccent {
  from { opacity: 0; transform: scaleX(0); }
  to { opacity: 1; transform: scaleX(1); }
}

@keyframes homeHeroTitleGlow {
  from { text-shadow: 0 12px 38px rgba(0, 20, 34, 0.28); }
  to { text-shadow: 0 12px 38px rgba(0, 20, 34, 0.28), 0 0 24px rgba(99, 235, 226, 0.2); }
}

@keyframes homeSectionTitleGlow {
  from { text-shadow: 0 0 0 rgba(24, 184, 181, 0); }
  to { text-shadow: 0 8px 24px rgba(24, 184, 181, 0.2); }
}

@keyframes homeSectionTitleAccent {
  0% { opacity: 0; transform: translateY(-50%) scaleX(0); }
  65% { opacity: 1; transform: translateY(-50%) scaleX(1.18); }
  100% { opacity: 1; transform: translateY(-50%) scaleX(1); }
}

@media (max-width: 640px) {
  html.homepage .slide-content h1::after {
    height: 3px;
    margin-top: 14px;
  }

  html.product-center-page .product-page-hero::after {
    right: -100px;
    width: 220px;
    height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.product-center-page .product-page-hero::before,
  html.product-center-page .product-page-hero::after,
  html.product-center-page .product-page-hero .product-center-heading,
  html.product-center-page .product-page-hero .product-center-heading::after,
  html.product-center-page .product-page-hero p,
  html.product-center-page .product-reveal-item,
  html.product-center-page .product-list-card,
  html.product-center-page .product-list-card img,
  html.homepage .slide-content h1,
  html.homepage .slide-content h1::after,
  html.homepage.home-motion-ready .home-heading-motion,
  html.homepage.home-motion-ready .home-heading-motion::before {
    opacity: 1 !important;
    filter: none !important;
    clip-path: none !important;
    translate: none !important;
    scale: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

/* =========================================================
   26. 首页工厂视频展示
========================================================= */

html.homepage #factory.factory-showcase {
  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  overflow: hidden;
  background: #071c2b;
}

html.homepage #factory.factory-showcase::before,
html.homepage #factory.factory-showcase::after {
  content: none;
}

.factory-trust-strip {
  position: relative;
  z-index: 3;
  min-height: 112px;
  border-top: 1px solid #e5ecee;
  border-bottom: 1px solid #dce6e9;
  background: #f8fafb;
}

.factory-trust-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
  width: min(1200px, 92%);
  min-height: 112px;
  margin: 0 auto;
  padding-block: 28px;
}

.factory-trust-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  align-content: center;
  justify-content: center;
  gap: 4px 8px;
  min-width: 0;
  padding-inline: 22px;
  color: #52666f;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
}

.factory-trust-item + .factory-trust-item {
  border-inline-start: 1px solid #dce5e8;
}

.factory-trust-value,
.factory-trust-keyword {
  color: var(--teal-dark);
  font-weight: 800;
}

.factory-trust-value {
  font-size: clamp(24px, 2.25vw, 30px);
  line-height: 1;
}

.factory-trust-keyword {
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.35;
}

.factory-showcase-media {
  position: relative;
  isolation: isolate;
  display: grid;
  width: 100%;
  height: clamp(500px, 70vh, 760px);
  min-height: 500px;
  max-height: 760px;
  overflow: hidden;
  background: #071c2b;
}

.factory-showcase-video {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #071c2b;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}

.factory-showcase-overlay {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 18, 30, 0.7) 0%, rgba(3, 18, 30, 0.46) 35%, rgba(3, 18, 30, 0.16) 66%, rgba(3, 18, 30, 0.02) 100%),
    linear-gradient(180deg, rgba(3, 18, 30, 0.05) 58%, rgba(3, 18, 30, 0.28) 100%);
  pointer-events: none;
}

.factory-showcase-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  width: min(1200px, 92%);
  height: 100%;
  margin: 0 auto;
  padding: 56px 0;
  color: #ffffff;
}

.factory-showcase-copy {
  max-width: min(820px, 72vw);
  text-shadow: 0 3px 22px rgba(0, 10, 18, 0.34);
}

.factory-showcase-kicker {
  margin-bottom: 18px;
  color: #a2f3ee;
  font-size: clamp(13px, 1.2vw, 16px);
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

html.homepage .factory-showcase-title.home-section-title {
  max-width: 860px;
  margin: 0;
  padding-inline-start: 0;
  color: #ffffff;
  font-size: clamp(38px, 4.5vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

html.homepage .factory-showcase-title.home-section-title::before {
  content: none;
}

.factory-showcase-description {
  max-width: 670px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 1.55vw, 21px);
  line-height: 1.75;
}

@media (max-width: 768px) {
  .factory-trust-strip,
  .factory-trust-inner {
    min-height: 116px;
  }

  .factory-trust-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-block: 6px;
  }

  .factory-trust-item {
    min-height: 40px;
    padding: 4px 8px;
    gap: 3px 6px;
    font-size: 12.5px;
    line-height: 1.25;
  }

  .factory-trust-item + .factory-trust-item {
    border-inline-start: 0;
  }

  .factory-trust-item:nth-child(even) {
    border-inline-start: 1px solid #dce5e8;
  }

  .factory-trust-item:nth-child(n + 3) {
    border-top: 1px solid #dce5e8;
  }

  .factory-trust-value {
    font-size: 22px;
  }

  .factory-trust-keyword {
    font-size: 13.5px;
    line-height: 1.25;
  }

  .factory-showcase-media {
    height: clamp(360px, 56vh, 600px);
    min-height: 360px;
    max-height: 600px;
  }

  .factory-showcase-video {
    object-position: 50% center;
  }

  .factory-showcase-overlay {
    background:
      linear-gradient(90deg, rgba(3, 18, 30, 0.7) 0%, rgba(3, 18, 30, 0.38) 62%, rgba(3, 18, 30, 0.08) 100%),
      linear-gradient(180deg, rgba(3, 18, 30, 0.02) 38%, rgba(3, 18, 30, 0.46) 100%);
  }

  .factory-showcase-content {
    align-items: flex-end;
    width: min(92%, 680px);
    padding: 40px 0;
  }

  .factory-showcase-copy {
    max-width: 100%;
  }

  .factory-showcase-kicker {
    margin-bottom: 12px;
    font-size: 12px;
  }

  html.homepage .factory-showcase-title.home-section-title {
    font-size: clamp(30px, 8.6vw, 48px);
    line-height: 1.12;
  }

  .factory-showcase-description {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.65;
  }
}

@media (prefers-reduced-motion: reduce) {
  .factory-showcase-video,
  .factory-showcase-content,
  .factory-showcase-content * {
    animation: none !important;
    transition: none !important;
  }
}

/* =========================================================
   27. 首页产品与应用卡片增强
========================================================= */

html.homepage #products.catalog-section {
  background:
    radial-gradient(circle at 8% 14%, rgba(24, 184, 181, 0.12), transparent 26%),
    radial-gradient(circle at 92% 82%, rgba(31, 111, 169, 0.08), transparent 28%),
    linear-gradient(180deg, #f5fafb 0%, #edf5f6 100%);
}

html.homepage #products .product-category-grid {
  gap: 22px !important;
  perspective: 1200px;
}

html.homepage #products .product-category-card {
  --home-card-tilt-x: 0deg;
  --home-card-tilt-y: 0deg;
  isolation: isolate;
  min-height: 324px !important;
  border: 1px solid rgba(162, 198, 203, 0.72) !important;
  border-radius: 22px !important;
  background: rgba(255, 255, 255, 0.96) !important;
  box-shadow:
    0 14px 38px rgba(7, 43, 59, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.88);
  transform: perspective(900px) translate3d(0, 0, 0)
    rotateX(var(--home-card-tilt-x)) rotateY(var(--home-card-tilt-y)) !important;
  transform-style: flat;
  transition:
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 260ms ease,
    box-shadow 320ms ease !important;
}

html.homepage #products .product-category-card::before {
  content: "";
  position: absolute;
  z-index: 7;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  border-radius: 22px 22px 0 0;
  background: linear-gradient(90deg, #18b8b5 0%, #5de2d8 55%, #1f6fa9 100%);
  transform: scaleX(0.22);
  transform-origin: left center;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

html.homepage #products .product-category-card:hover,
html.homepage #products .product-category-card:focus-visible {
  z-index: 5 !important;
  border-color: rgba(24, 184, 181, 0.66) !important;
  box-shadow:
    0 28px 64px rgba(7, 43, 59, 0.17),
    0 0 0 1px rgba(24, 184, 181, 0.08) !important;
  transform: perspective(900px) translate3d(0, -10px, 0) scale(1.012)
    rotateX(var(--home-card-tilt-x)) rotateY(var(--home-card-tilt-y)) !important;
}

html.homepage #products .product-category-card:hover::before,
html.homepage #products .product-category-card:focus-visible::before {
  transform: scaleX(1);
}

html.homepage #products .product-category-card:focus-visible,
html.homepage #applications .application-card:focus-visible {
  outline: 3px solid rgba(24, 184, 181, 0.42);
  outline-offset: 4px;
}

html.homepage #products .product-image-box {
  height: 156px !important;
  min-height: 156px;
  border-bottom: 1px solid rgba(166, 199, 204, 0.58);
  background:
    linear-gradient(rgba(16, 47, 70, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 47, 70, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 66% 42%, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0) 34%),
    linear-gradient(135deg, #d9eeee 0%, #f8fbfc 55%, #d7e9ed 100%) !important;
  background-size: 26px 26px, 26px 26px, auto, auto !important;
}

html.homepage #products .product-image-box::before {
  left: 20px !important;
  top: 20px !important;
  width: 50px !important;
  height: 50px !important;
  border-top-color: rgba(24, 184, 181, 0.86) !important;
  border-left-color: rgba(24, 184, 181, 0.86) !important;
  transition: width 320ms ease, height 320ms ease;
}

html.homepage #products .product-category-card:hover .product-image-box::before {
  width: 64px !important;
  height: 64px !important;
}

html.homepage #products .product-image-box img {
  max-width: 72% !important;
  filter: none;
  transform-origin: center bottom;
  transition: transform 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage #products .product-category-card:hover .product-image-box img,
html.homepage #products .product-category-card:focus-visible .product-image-box img {
  filter: none;
}

html.homepage #products .product-index {
  top: 17px !important;
  right: 18px !important;
  z-index: 6 !important;
  width: auto !important;
  height: auto !important;
  padding: 7px 10px 6px;
  border: 1px solid rgba(24, 184, 181, 0.25);
  border-radius: 999px;
  background: rgba(6, 37, 55, 0.88);
  color: #75ebe2 !important;
  box-shadow: 0 8px 18px rgba(6, 37, 55, 0.16);
  font-size: 12px !important;
  font-weight: 800 !important;
  letter-spacing: 0.12em;
}

html.homepage #products .product-content {
  position: relative;
  z-index: 2;
  padding: 19px 22px 21px !important;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdfd 100%);
}

html.homepage #products .product-content h3 {
  position: relative;
  padding-bottom: 9px;
  transition: color 240ms ease, transform 240ms ease;
}

html.homepage #products .product-content h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 34px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, #18b8b5, #75e7df);
  transition: width 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage #products .product-category-card:hover .product-content h3 {
  color: #0b6872 !important;
  transform: translateX(2px);
}

html.homepage #products .product-category-card:hover .product-content h3::after {
  width: 64px;
}

html.homepage #products .product-card-link {
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(24, 184, 181, 0.24);
  border-radius: 999px;
  background: rgba(24, 184, 181, 0.07);
  transition: color 240ms ease, background 240ms ease, border-color 240ms ease, gap 240ms ease;
}

html.homepage #products .product-card-link::after {
  content: "\2192";
}

html.homepage #products .product-category-card:hover .product-card-link,
html.homepage #products .product-category-card:focus-visible .product-card-link {
  gap: 12px;
  border-color: #18b8b5;
  background: #18b8b5;
  color: #ffffff;
}

html.homepage #applications.catalog-section {
  background:
    radial-gradient(circle at 88% 8%, rgba(24, 184, 181, 0.1), transparent 25%),
    linear-gradient(180deg, #ffffff 0%, #f6fafb 100%);
}

html.homepage #applications .applications-carousel {
  padding: 20px;
  border-color: rgba(153, 191, 198, 0.7);
  background:
    radial-gradient(circle at 12% 0%, rgba(24, 184, 181, 0.11), transparent 28%),
    rgba(255, 255, 255, 0.82);
  box-shadow: 0 24px 65px rgba(8, 40, 58, 0.1);
}

html.homepage #applications .applications-arrow {
  border-color: rgba(24, 184, 181, 0.32);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 22px rgba(8, 40, 58, 0.09);
  transition: color 220ms ease, background 220ms ease, border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

html.homepage #applications .applications-arrow:not(:disabled):hover {
  border-color: #18b8b5;
  background: #18b8b5;
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(24, 184, 181, 0.24);
  transform: translateY(-2px) scale(1.04);
}

html.homepage #applications .application-slider-dots button {
  width: 8px;
  height: 8px;
  transition: width 240ms ease, border-radius 240ms ease, background 240ms ease, transform 240ms ease;
}

html.homepage #applications .application-slider-dots button.active {
  width: 28px;
  border-radius: 99px;
  background: linear-gradient(90deg, #18b8b5, #60ddd5);
  transform: none;
}

html.homepage #applications .applications-track {
  counter-reset: home-application-card;
  gap: 22px;
}

html.homepage #applications .application-card {
  counter-increment: home-application-card;
  isolation: isolate;
  flex-basis: calc((100% - 44px) / 3);
  min-height: 470px;
  border: 1px solid rgba(129, 177, 187, 0.38);
  border-radius: 24px;
  background: #071f31;
  box-shadow: 0 18px 42px rgba(7, 31, 49, 0.18);
  transform: translateY(0) scale(1);
  transition:
    transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 360ms ease,
    border-color 280ms ease;
}

html.homepage #applications .application-card::before {
  content: counter(home-application-card, decimal-leading-zero);
  position: absolute;
  z-index: 8;
  top: 18px;
  left: 18px;
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 30px;
  padding: 0 9px;
  border: 1px solid rgba(117, 235, 226, 0.4);
  border-radius: 999px;
  background: rgba(4, 29, 46, 0.9);
  color: #7cece3;
  box-shadow: 0 8px 24px rgba(4, 29, 46, 0.2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  transition: background 280ms ease, color 280ms ease, transform 280ms ease;
}

html.homepage #applications .application-card:hover,
html.homepage #applications .application-card:focus-within {
  z-index: 3;
  border-color: rgba(76, 222, 211, 0.58);
  box-shadow: 0 24px 52px rgba(7, 31, 49, 0.24);
  transform: translateY(-6px);
}

html.homepage #applications .application-card:hover::before,
html.homepage #applications .application-card:focus-within::before,
html.homepage #applications .application-card.is-demand-open::before {
  background: #18b8b5;
  color: #ffffff;
  transform: translateY(-2px);
}

html.homepage #applications .application-card img {
  aspect-ratio: 4 / 3;
  filter: none;
  transform-origin: center;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage #applications .application-card:hover img,
html.homepage #applications .application-card:focus-within img {
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.035);
}

html.homepage #applications .application-card-content {
  min-height: 220px;
  margin-top: -150px;
  padding: 88px 26px 28px;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 28, 45, 0.84) 35%, rgba(6, 28, 45, 0.99) 78%);
  transition: padding-bottom 360ms ease, background 360ms ease;
}

html.homepage #applications .application-card-content h3 {
  position: relative;
  padding-bottom: 12px;
  text-shadow: 0 3px 14px rgba(0, 0, 0, 0.24);
  transition: color 260ms ease, transform 260ms ease;
}

html.homepage #applications .application-card-content h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 38px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, #18b8b5, #75ebe2);
  box-shadow: 0 0 14px rgba(24, 184, 181, 0.34);
  transition: width 340ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage #applications .application-card-content p {
  max-width: 100%;
  margin-top: 2px;
  transition: color 260ms ease, transform 320ms ease, opacity 320ms ease;
}

html.homepage #applications .application-card-demand-copy {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid rgba(117, 235, 226, 0.16);
}

html.homepage #applications .application-card-demand-copy span {
  display: block;
  margin-bottom: 5px;
  color: #7cece3;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

html.homepage #applications .application-card-demand-copy p {
  margin: 0;
  color: rgba(224, 242, 243, 0.76);
  font-size: 12px;
  line-height: 1.5;
}

html.homepage #applications .application-card:hover .application-card-content,
html.homepage #applications .application-card:focus-within .application-card-content {
  padding-bottom: 28px;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 28, 45, 0.78) 28%, rgba(4, 25, 40, 1) 74%);
}

html.homepage #applications .application-card:hover .application-card-content h3,
html.homepage #applications .application-card:focus-within .application-card-content h3 {
  color: #89f0e8;
  transform: translateY(-2px);
}

html.homepage #applications .application-card:hover .application-card-content h3::after,
html.homepage #applications .application-card:focus-within .application-card-content h3::after {
  width: 72px;
}

html.homepage #applications .application-card:hover .application-card-content p,
html.homepage #applications .application-card:focus-within .application-card-content p {
  color: rgba(255, 255, 255, 0.92);
  transform: translateY(-2px);
}

html.homepage #applications .application-demand-panel {
  position: absolute;
  z-index: 6;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 58px 24px 22px;
  color: #ffffff;
  background:
    radial-gradient(circle at 88% 7%, rgba(78, 221, 212, 0.17), transparent 34%),
    linear-gradient(145deg, rgba(16, 61, 78, 0.985), rgba(5, 27, 42, 0.995));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 220ms ease, visibility 220ms ease, transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.homepage #applications .application-card.is-demand-open .application-demand-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

html.homepage #applications .application-demand-head {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(133, 224, 218, 0.24);
}

html.homepage #applications .application-demand-head span {
  display: block;
  margin-bottom: 5px;
  color: #83ebe4;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html.homepage #applications .application-demand-head strong {
  display: block;
  font-size: 21px;
  line-height: 1.3;
}

html.homepage #applications .application-demand-list {
  display: grid;
  gap: 0;
  margin: 0;
}

html.homepage #applications .application-demand-list > div {
  display: grid;
  grid-template-columns: minmax(92px, 0.38fr) minmax(0, 0.62fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

html.homepage #applications .application-demand-list dt {
  color: rgba(199, 232, 234, 0.66);
  font-size: 11px;
  font-weight: 750;
  line-height: 1.4;
}

html.homepage #applications .application-demand-list dd {
  margin: 0;
  color: #f4fbfb;
  font-size: 11.5px;
  font-weight: 650;
  line-height: 1.42;
}

html.homepage #applications .application-demand-panel small {
  display: block;
  margin-top: 10px;
  color: rgba(210, 235, 236, 0.55);
  font-size: 9px;
  line-height: 1.4;
}

html[dir="rtl"].homepage #applications .application-demand-list > div {
  grid-template-columns: minmax(0, 0.62fr) minmax(92px, 0.38fr);
}

html[dir="rtl"].homepage #products .product-category-card::before {
  transform-origin: right center;
}

html[dir="rtl"].homepage #products .product-content h3::after,
html[dir="rtl"].homepage #applications .application-card-content h3::after {
  right: 0;
  left: auto;
}

html[dir="rtl"].homepage #applications .application-card::before {
  right: 18px;
  left: auto;
}

@media (max-width: 1080px) {
  html.homepage #products .product-category-card {
    min-height: 332px !important;
  }

  html.homepage #applications .application-card {
    flex-basis: calc((100% - 22px) / 2);
  }
}

@media (max-width: 760px) {
  html.homepage #products .product-category-grid {
    gap: 18px !important;
  }

  html.homepage #products .product-category-card,
  html.homepage #products .product-category-card:hover,
  html.homepage #products .product-category-card:focus-visible {
    transform: none !important;
  }

  html.homepage #applications .applications-carousel {
    padding: 14px;
    border-radius: 20px;
  }

  html.homepage #applications .application-card {
    flex-basis: min(84vw, 100%);
    min-height: 480px;
  }

  html.homepage #applications .application-card:hover,
  html.homepage #applications .application-card:focus-visible {
    transform: translateY(-4px);
  }
}

@media (max-width: 640px) {
  html.homepage #products .product-category-card {
    min-height: 318px !important;
    border-radius: 18px !important;
  }

  html.homepage #products .product-image-box {
    height: 158px !important;
    min-height: 158px;
  }

  html.homepage #products .product-content {
    padding: 18px 19px 20px !important;
  }

  html.homepage #applications .application-card-content {
    padding-right: 22px;
    padding-left: 22px;
  }

  html.homepage #applications .application-demand-panel {
    padding-right: 20px;
    padding-left: 20px;
  }

}

@media (prefers-reduced-motion: reduce) {
  html.homepage #products .product-category-card,
  html.homepage #products .product-category-card::before,
  html.homepage #products .product-image-box::before,
  html.homepage #products .product-image-box::after,
  html.homepage #products .product-image-box img,
  html.homepage #products .product-content h3,
  html.homepage #products .product-content h3::after,
  html.homepage #products .product-card-link,
  html.homepage #applications .application-card,
  html.homepage #applications .application-card::before,
  html.homepage #applications .application-card img,
  html.homepage #applications .application-card-content,
  html.homepage #applications .application-card-content h3,
  html.homepage #applications .application-card-content h3::after,
  html.homepage #applications .application-card-content p,
  html.homepage #applications .application-card-demand-copy,
  html.homepage #applications .application-demand-panel,
  html.homepage #applications .applications-arrow,
  html.homepage #applications .application-slider-dots button {
    animation: none !important;
    transition: none !important;
  }

  html.homepage #products .product-category-card,
  html.homepage #products .product-category-card:hover,
  html.homepage #products .product-category-card:focus-visible,
  html.homepage #applications .application-card,
  html.homepage #applications .application-card:hover,
  html.homepage #applications .application-card:focus-visible {
    transform: none !important;
  }
}

/* 区块进入视口后释放临时动画图层，降低后续滚动的渲染开销。 */
html.homepage.home-motion-ready .home-reveal-item.is-revealed {
  will-change: auto;
}

@media (prefers-reduced-motion: no-preference) {
  html.homepage.is-home-scrolling .home-scroll-section::before,
  html.homepage.is-home-scrolling .home-scroll-section::after,
  html.homepage.is-home-scrolling .slide-bg,
  html.homepage.is-home-scrolling .home-section-rail-marker {
    animation-play-state: paused !important;
  }
}

/* 轻量产品卡片交互，以及桌面端单屏布局。 */
html.homepage #products .product-category-grid {
  perspective: none;
}

html.homepage #products .product-category-card,
html.homepage #products .product-category-card:hover,
html.homepage #products .product-category-card:focus-visible {
  box-shadow: 0 13px 30px rgba(7, 43, 59, 0.1) !important;
  transform-style: flat;
}

html.homepage #products .product-category-card {
  transform: translateY(0) !important;
  transition: transform 170ms ease, border-color 170ms ease !important;
}

html.homepage #products .product-category-card:hover,
html.homepage #products .product-category-card:focus-visible {
  transform: translateY(-4px) !important;
}

html.homepage #products .product-category-card::after {
  display: none;
}

html.homepage #products .product-image-box::before {
  transition: transform 180ms ease;
}

html.homepage #products .product-category-card:hover .product-image-box::before,
html.homepage #products .product-category-card:focus-visible .product-image-box::before {
  width: 50px !important;
  height: 50px !important;
  transform: scale(1.08);
}

html.homepage #products .product-image-box img {
  transition: transform 190ms ease;
}

html.homepage #products .product-category-card:hover .product-image-box img,
html.homepage #products .product-category-card:focus-visible .product-image-box img {
  transform: translateY(-3px) scale(1.035);
}

html.homepage #products .product-category-card:hover .product-content h3,
html.homepage #products .product-category-card:focus-visible .product-content h3 {
  transform: none;
}

@media (min-width: 1081px) {
  html.homepage #products.catalog-section {
    padding: 20px 0 24px;
  }

  html.homepage #products .section-title-row {
    margin-bottom: 12px;
    padding-bottom: 9px;
  }

  html.homepage #products .section-number {
    font-size: 54px;
  }

  html.homepage #products .product-category-grid {
    gap: 14px !important;
  }

  html.homepage #products .product-category-card,
  html.homepage #products .product-category-card:hover,
  html.homepage #products .product-category-card:focus-visible {
    height: 280px !important;
    min-height: 280px !important;
  }

  html.homepage #products .product-image-box {
    height: 110px !important;
    min-height: 110px;
    padding: 10px !important;
  }

  html.homepage #products .product-image-box::before,
  html.homepage #products .product-category-card:hover .product-image-box::before,
  html.homepage #products .product-category-card:focus-visible .product-image-box::before {
    left: 16px !important;
    top: 16px !important;
    width: 38px !important;
    height: 38px !important;
    border-width: 2px !important;
  }

  html.homepage #products .product-image-box img {
    max-width: 66% !important;
  }

  html.homepage #products .product-index {
    top: 13px !important;
    right: 14px !important;
    padding: 5px 9px 4px;
    font-size: 11px !important;
  }

  html.homepage #products .product-content {
    min-height: 0;
    padding: 12px 18px 14px !important;
  }

  html.homepage #products .product-content h3 {
    min-height: 0;
    margin-bottom: 4px !important;
    padding-bottom: 7px;
    line-height: 1.22 !important;
  }

  html.homepage #products .product-content p {
    min-height: 2.8em;
    margin-bottom: 6px !important;
    line-height: 1.4 !important;
  }

  html.homepage #products .product-card-link {
    min-height: 29px;
    padding: 4px 10px;
  }
}

/* 产品中心卡片机器视觉尺寸校准：补偿各素材透明边距和画布比例差异。 */
.product-card-machine {
  --machine-scale: 1;
  --machine-home-hover-scale: 1.035;
  --machine-center-hover-scale: 1.055;
  object-position: center !important;
  transform: scale(var(--machine-scale)) !important;
  transform-origin: center !important;
  will-change: transform;
}

.product-card-machine--air {
  --machine-scale: 1;
  --machine-home-hover-scale: 1.035;
  --machine-center-hover-scale: 1.055;
}

.product-card-machine--vacuum {
  --machine-scale: 1.22;
  --machine-home-hover-scale: 1.263;
  --machine-center-hover-scale: 1.287;
}

.product-card-machine--blower {
  --machine-scale: 0.94;
  --machine-home-hover-scale: 0.973;
  --machine-center-hover-scale: 0.992;
}

.product-card-machine--system,
.product-card-machine--generator {
  --machine-scale: 0.86;
  --machine-home-hover-scale: 0.89;
  --machine-center-hover-scale: 0.907;
}

.product-card-machine--accessories {
  --machine-scale: 0.97;
  --machine-home-hover-scale: 1.004;
  --machine-center-hover-scale: 1.023;
}

html.homepage #products .product-category-card:hover .product-card-machine,
html.homepage #products .product-category-card:focus-visible .product-card-machine {
  transform: translateY(-3px) scale(var(--machine-home-hover-scale)) !important;
}

@media (hover: hover) and (pointer: fine) {
  html.product-center-page .product-list-card:hover .product-card-machine {
    transform: translateY(-5px) scale(var(--machine-center-hover-scale)) !important;
  }
}

/* 工厂图片组合：航拍图展示规模，前门图作为品牌入口细节。 */
.factory-photo-stack {
  position: relative;
  isolation: isolate;
  overflow: visible !important;
  margin-bottom: 26px;
  border: 0 !important;
  background: transparent !important;
}

.factory-photo-main {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(173, 202, 207, 0.82);
  border-radius: 22px;
  background: #eaf1f1;
  box-shadow: 0 24px 58px rgba(15, 61, 78, 0.15);
}

.factory-photo-main img,
.factory-photo-inset img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover !important;
  object-position: center !important;
}

.factory-photo-inset {
  position: absolute;
  z-index: 2;
  right: -18px;
  bottom: -26px;
  width: 46%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 6px solid rgba(255, 255, 255, 0.98);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 20px 46px rgba(7, 42, 56, 0.3);
}

html[dir="rtl"] .factory-photo-inset {
  right: auto;
  left: -18px;
}

html.homepage #about .factory-photo-stack {
  border: 0;
  box-shadow: none;
}

html.homepage #about .factory-photo-main {
  border: 8px solid rgba(255, 255, 255, 0.94);
}

@media (max-width: 980px) {
  .factory-photo-stack {
    margin-bottom: 18px;
  }

  .factory-photo-inset,
  html[dir="rtl"] .factory-photo-inset {
    right: 14px;
    bottom: -18px;
    left: auto;
  }
}

@media (max-width: 640px) {
  .factory-photo-stack {
    margin-bottom: 0;
  }

  .factory-photo-main {
    border-radius: 16px;
  }

  .factory-photo-inset,
  html[dir="rtl"] .factory-photo-inset {
    right: 12px;
    bottom: 12px;
    left: auto;
    width: 48%;
    border-width: 4px;
    border-radius: 11px;
    box-shadow: 0 12px 28px rgba(7, 42, 56, 0.25);
  }
}

/* =========================================================
   关于页沉浸式增强：只作用于独立的公司简介与发展历程页面。
========================================================= */
.about-page {
  overflow: clip;
  --about-accent: #29d6cf;
  --about-ink: #082235;
}

.about-page-hero {
  position: relative;
  display: grid;
  min-height: clamp(500px, 68vh, 680px);
  padding: 0;
  overflow: hidden;
  align-items: center;
  isolation: isolate;
  background:
    radial-gradient(circle at 74% 44%, rgba(41, 214, 207, 0.15), transparent 25%),
    radial-gradient(circle at 14% 110%, rgba(31, 111, 169, 0.38), transparent 43%),
    linear-gradient(118deg, #061b2a 0%, #0b3045 58%, #0b4655 100%);
}

.about-page-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto -8vw -48% auto;
  width: min(720px, 66vw);
  aspect-ratio: 1;
  border: 1px solid rgba(111, 237, 229, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(111, 237, 229, 0.025), 0 0 0 190px rgba(111, 237, 229, 0.018);
}

.about-hero-grid {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(151, 227, 226, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 227, 226, 0.11) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 36%, #000 100%);
}

.about-hero-glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(1px);
  pointer-events: none;
}

.about-hero-glow-a {
  top: 14%;
  right: 10%;
  width: 8px;
  height: 8px;
  background: #c2fff8;
  box-shadow: 0 0 35px 14px rgba(41, 214, 207, 0.66);
  animation: aboutGlowFloat 5.5s ease-in-out infinite alternate;
}

.about-hero-glow-b {
  right: 39%;
  bottom: 18%;
  width: 5px;
  height: 5px;
  background: #74d6ff;
  box-shadow: 0 0 28px 11px rgba(68, 169, 222, 0.5);
  animation: aboutGlowFloat 7s ease-in-out 1s infinite alternate-reverse;
}

.about-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
  gap: clamp(40px, 8vw, 110px);
  width: 100%;
  padding-top: 72px;
  padding-bottom: 88px;
  align-items: center;
}

.about-hero-copy {
  position: relative;
  z-index: 2;
}

.about-page-kicker {
  display: flex;
  margin-bottom: 18px;
  color: #7ff3ec;
  align-items: center;
  gap: 13px;
}

.about-page-kicker::before {
  content: "";
  width: 36px;
  height: 2px;
  background: currentColor;
  box-shadow: 7px 0 18px currentColor;
}

.about-page-hero h1 {
  max-width: 760px;
  font-size: clamp(46px, 6vw, 82px);
  letter-spacing: -0.035em;
  text-shadow: 0 12px 42px rgba(0, 0, 0, 0.24);
}

.about-page-hero .about-hero-intro {
  max-width: 620px;
  margin-top: 25px;
  color: rgba(225, 246, 248, 0.78);
  font-size: clamp(16px, 1.45vw, 20px);
}

.about-hero-emblem {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 1;
  justify-self: end;
  filter: drop-shadow(0 28px 55px rgba(0, 0, 0, 0.26));
}

.about-emblem-orbit,
.about-emblem-core {
  position: absolute;
  inset: 50% auto auto 50%;
  border-radius: 50%;
  translate: -50% -50%;
}

.about-emblem-orbit {
  border: 1px solid rgba(139, 242, 237, 0.3);
}

.about-emblem-orbit::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--about-accent);
  box-shadow: 0 0 24px 5px rgba(41, 214, 207, 0.72);
}

.about-emblem-orbit-outer {
  width: 100%;
  height: 100%;
  animation: aboutOrbit 22s linear infinite;
}

.about-emblem-orbit-inner {
  width: 75%;
  height: 75%;
  border-style: dashed;
  animation: aboutOrbit 16s linear infinite reverse;
}

.about-emblem-core {
  display: grid;
  width: 54%;
  height: 54%;
  border: 1px solid rgba(149, 241, 236, 0.46);
  color: #ffffff;
  place-content: center;
  text-align: center;
  background: radial-gradient(circle at 35% 28%, rgba(55, 205, 204, 0.34), rgba(8, 41, 57, 0.84) 62%);
  box-shadow: inset 0 0 45px rgba(41, 214, 207, 0.18), 0 0 70px rgba(41, 214, 207, 0.1);
}

.about-emblem-core b {
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.about-emblem-core small {
  margin-top: 13px;
  color: #82ddd9;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.24em;
}

.about-hero-years {
  position: absolute;
  right: 20px;
  bottom: 30px;
  left: 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  color: rgba(198, 229, 232, 0.56);
  align-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.about-hero-years i {
  height: 1px;
  overflow: hidden;
  background: rgba(187, 233, 235, 0.16);
}

.about-hero-years i::after {
  content: "";
  display: block;
  width: 22%;
  height: 100%;
  background: linear-gradient(90deg, transparent, #77e9e4, transparent);
  animation: aboutYearScan 4.5s ease-in-out infinite;
}

.about-page-anchor-nav {
  --about-nav-index: 0;
  box-shadow: 0 12px 35px rgba(5, 41, 57, 0.08);
}

.about-page-anchor-nav a {
  position: relative;
  color: #4f6470;
  letter-spacing: 0.035em;
  transition: color 240ms ease, background-color 240ms ease;
}

.about-page-anchor-nav a:hover,
.about-page-anchor-nav a.is-active {
  color: var(--navy);
  background: rgba(22, 184, 181, 0.055);
}

.about-anchor-progress {
  position: absolute;
  right: auto;
  bottom: -1px;
  left: 0;
  width: 50%;
  height: 3px;
  background: linear-gradient(90deg, var(--teal-dark), #42d8d2);
  transform: translateX(calc(var(--about-nav-index) * 100%));
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.about-page-profile {
  position: relative;
  padding: clamp(95px, 11vw, 150px) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 22%, rgba(22, 184, 181, 0.09), transparent 24%),
    linear-gradient(180deg, #f7fbfb 0%, #ffffff 100%);
}

.about-page-profile::before {
  content: "PROFILE";
  position: absolute;
  top: 7%;
  left: -0.04em;
  color: rgba(16, 47, 70, 0.035);
  font-size: clamp(90px, 17vw, 260px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.about-page-profile-grid {
  position: relative;
  grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
  gap: clamp(58px, 8vw, 116px);
}

.about-page-section-heading {
  margin-bottom: 30px;
  padding-left: 20px;
  border-left-color: var(--about-accent);
}

.about-page-profile-copy h3 {
  margin-bottom: 25px;
  color: var(--about-ink);
  font-size: clamp(27px, 2.8vw, 39px);
}

.about-page-profile-copy > p {
  max-width: 650px;
  color: #536873;
}

.about-profile-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 35px;
}

.about-profile-stats > div {
  position: relative;
  padding: 18px 13px 16px;
  overflow: hidden;
  border: 1px solid rgba(18, 117, 130, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 30px rgba(16, 47, 70, 0.055);
  transition: border-color 260ms ease, transform 260ms ease, box-shadow 260ms ease;
}

.about-profile-stats > div::after {
  content: "";
  position: absolute;
  right: -15px;
  bottom: -20px;
  width: 55px;
  height: 55px;
  border: 1px solid rgba(24, 184, 181, 0.13);
  border-radius: 50%;
}

.about-profile-stats > div:hover {
  border-color: rgba(18, 180, 178, 0.42);
  transform: translateY(-5px);
  box-shadow: 0 18px 34px rgba(16, 83, 95, 0.11);
}

.about-profile-stats dt {
  color: var(--teal-dark);
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.about-profile-stats sup {
  margin-left: 2px;
  font-size: 0.52em;
  vertical-align: super;
}

.about-profile-stats dd {
  margin-top: 9px;
  color: #718088;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.05em;
}

.about-page .factory-photo-stack {
  aspect-ratio: 1.18;
  margin: 0 0 34px;
  transform: perspective(1100px) rotateX(var(--about-tilt-y, 0deg)) rotateY(var(--about-tilt-x, 0deg));
  transition: transform 180ms ease-out;
}

.about-page .factory-photo-main {
  border-width: 0;
  border-radius: 28px;
  box-shadow: 0 38px 75px rgba(8, 50, 66, 0.22);
}

.about-page .factory-photo-main::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, transparent 55%, rgba(3, 28, 42, 0.42));
  pointer-events: none;
}

.about-page .factory-photo-main img {
  scale: 1.035;
  transform: translateY(var(--about-image-shift, 0px));
  transition: scale 750ms cubic-bezier(0.22, 1, 0.36, 1);
}

.about-page .factory-photo-stack:hover .factory-photo-main img {
  scale: 1.075;
}

.about-page .factory-photo-inset {
  right: -26px;
  bottom: -34px;
  width: 48%;
  border-width: 7px;
  border-radius: 19px;
  box-shadow: 0 24px 52px rgba(7, 42, 56, 0.34);
}

.factory-photo-caption {
  position: absolute;
  z-index: 3;
  bottom: 19px;
  left: 22px;
  display: grid;
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.44);
}

.factory-photo-caption b {
  margin-top: 3px;
  color: #ffffff;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.about-growth-section {
  position: relative;
  padding: clamp(94px, 11vw, 150px) 0 clamp(110px, 13vw, 175px);
  overflow: hidden;
  color: #ffffff;
  isolation: isolate;
  background:
    radial-gradient(circle at 8% 14%, rgba(31, 111, 169, 0.28), transparent 30%),
    radial-gradient(circle at 92% 84%, rgba(24, 184, 181, 0.16), transparent 26%),
    #071d2b;
}

.about-growth-section::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(108, 195, 197, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 195, 197, 0.1) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, #000, transparent 82%);
}

.about-growth-header {
  max-width: 780px;
  margin: 0 auto clamp(64px, 8vw, 100px);
  text-align: center;
}

.about-growth-header > p {
  margin-bottom: 15px;
  color: #72e8e3;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.about-growth-header h2 {
  color: #ffffff;
  font-size: clamp(34px, 4vw, 56px);
  letter-spacing: -0.025em;
}

.about-growth-header h2::after {
  width: 64px;
  height: 2px;
  margin-top: 25px;
  background: linear-gradient(90deg, transparent, var(--about-accent), transparent);
}

.about-growth-header > div {
  max-width: 670px;
  margin: 22px auto 0;
  color: rgba(211, 235, 238, 0.67);
  font-size: var(--font-body);
  line-height: var(--line-body);
}

.about-history-timeline {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
}

.about-growth-list {
  position: relative;
  z-index: 2;
  gap: 54px;
}

.about-growth-list::before {
  display: none;
}

.about-history-track {
  position: absolute;
  z-index: 1;
  top: 34px;
  bottom: 34px;
  left: 50%;
  width: 2px;
  overflow: visible;
  background: rgba(141, 210, 213, 0.17);
  transform: translateX(-50%);
}

.about-history-track::before,
.about-history-track::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 9px;
  height: 9px;
  border: 2px solid rgba(118, 224, 221, 0.5);
  border-radius: 50%;
  background: #071d2b;
  translate: -50% 0;
}

.about-history-track::before { top: -8px; }
.about-history-track::after { bottom: -8px; }

.about-history-track span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #35e4db, #1d85bd);
  box-shadow: 0 0 20px rgba(53, 228, 219, 0.44);
  transform: scaleY(var(--about-history-progress, 0));
  transform-origin: top;
  transition: transform 100ms linear;
}

.about-growth-section .growth-event {
  --about-card-x: -28px;
  width: calc(50% - 62px);
  min-height: 138px;
  padding: 29px 32px 27px;
  overflow: visible;
  border: 1px solid rgba(137, 216, 217, 0.14);
  border-radius: 18px;
  color: #ffffff;
  background:
    radial-gradient(circle at var(--about-spot-x, 50%) var(--about-spot-y, 50%), rgba(50, 218, 211, 0.1), transparent 38%),
    linear-gradient(145deg, rgba(20, 65, 82, 0.76), rgba(8, 34, 49, 0.88));
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(12px);
  transition: border-color 380ms ease, box-shadow 380ms ease, transform 380ms ease, opacity 680ms cubic-bezier(0.22, 1, 0.36, 1);
}

.about-growth-section .growth-event:nth-child(even) {
  --about-card-x: 28px;
}

.about-growth-section .growth-event::before {
  top: 34px;
  right: -71px;
  width: 17px;
  height: 17px;
  border: 5px solid #0a2636;
  background: #3d777c;
  box-shadow: 0 0 0 1px rgba(118, 224, 221, 0.28);
  transition: background-color 320ms ease, box-shadow 320ms ease, scale 320ms ease;
}

.about-growth-section .growth-event:nth-child(even)::before {
  right: auto;
  left: -71px;
}

.about-growth-section .growth-event::after {
  top: 42px;
  right: -52px;
  width: 51px;
  background: linear-gradient(90deg, rgba(94, 183, 186, 0.1), rgba(94, 183, 186, 0.42));
}

.about-growth-section .growth-event:nth-child(even)::after {
  right: auto;
  left: -52px;
  background: linear-gradient(90deg, rgba(94, 183, 186, 0.42), rgba(94, 183, 186, 0.1));
}

.about-growth-section .growth-event time {
  position: relative;
  z-index: 2;
  margin-bottom: 12px;
  color: #67e7e0;
  font-size: clamp(26px, 2.7vw, 38px);
  letter-spacing: -0.03em;
}

.about-growth-section .growth-event p {
  position: relative;
  z-index: 2;
  color: rgba(222, 240, 242, 0.72);
  font-size: 15px;
}

.growth-index {
  position: absolute;
  z-index: 0;
  top: 8px;
  right: 16px;
  color: rgba(130, 223, 220, 0.055);
  font-size: 78px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.about-growth-section .growth-event:nth-child(odd) .growth-index {
  right: auto;
  left: 16px;
}

.about-growth-section .growth-event:hover,
.about-growth-section .growth-event.is-active {
  border-color: rgba(79, 226, 218, 0.42);
  box-shadow: 0 28px 68px rgba(0, 0, 0, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transform: translateY(-5px);
}

.about-growth-section .growth-event.is-active::before {
  background: #47eee5;
  box-shadow: 0 0 0 1px rgba(118, 224, 221, 0.38), 0 0 25px 8px rgba(41, 214, 207, 0.32);
  scale: 1.08;
}

html.about-motion-ready .about-hero-copy,
html.about-motion-ready .about-hero-emblem,
html.about-motion-ready .about-page-section-heading,
html.about-motion-ready .about-page-profile-copy > h3,
html.about-motion-ready .about-page-profile-copy > p,
html.about-motion-ready .about-profile-stats,
html.about-motion-ready .about-page-profile-media,
html.about-motion-ready .about-growth-header,
html.about-motion-ready .about-growth-section .growth-event {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(26px);
}

html.about-motion-ready .about-hero-copy,
html.about-motion-ready .about-hero-emblem {
  animation: aboutHeroReveal 900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

html.about-motion-ready .about-hero-emblem {
  animation-delay: 160ms;
}

html.about-motion-ready .about-reveal-item {
  transition:
    opacity 680ms cubic-bezier(0.22, 1, 0.36, 1) var(--about-reveal-delay, 0ms),
    filter 680ms cubic-bezier(0.22, 1, 0.36, 1) var(--about-reveal-delay, 0ms),
    transform 760ms cubic-bezier(0.22, 1, 0.36, 1) var(--about-reveal-delay, 0ms);
}

html.about-motion-ready .about-reveal-item.is-revealed {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0);
}

html.about-motion-ready .about-page-profile-media.about-reveal-item.is-revealed {
  transform: perspective(1100px) rotateX(var(--about-tilt-y, 0deg)) rotateY(var(--about-tilt-x, 0deg));
}

html.about-motion-ready .about-growth-section .growth-event.about-reveal-item {
  transform: translate3d(var(--about-card-x), 22px, 0);
}

html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0);
}

html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed:hover,
html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed.is-active {
  transform: translate3d(0, -5px, 0);
}

html[dir="rtl"] .about-page-profile::before {
  right: -0.04em;
  left: auto;
}

html[dir="rtl"] .about-anchor-progress {
  right: 0;
  left: auto;
  transform: translateX(calc(var(--about-nav-index) * -100%));
}

html[dir="rtl"] .factory-photo-caption {
  right: 22px;
  left: auto;
  text-align: right;
}

@keyframes aboutOrbit {
  to { rotate: 1turn; }
}

@keyframes aboutGlowFloat {
  to { translate: -24px 32px; }
}

@keyframes aboutYearScan {
  0% { transform: translateX(-110%); }
  65%, 100% { transform: translateX(470%); }
}

@keyframes aboutHeroReveal {
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

@media (max-width: 980px) {
  .about-hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 34px;
  }

  .about-page-profile-grid {
    grid-template-columns: 1fr;
  }

  .about-page .factory-photo-stack {
    width: min(100%, 760px);
    justify-self: center;
  }
}

@media (max-width: 760px) {
  .about-page-hero {
    min-height: 600px;
  }

  .about-hero-layout {
    grid-template-columns: 1fr;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .about-page-hero h1 {
    font-size: clamp(42px, 12vw, 62px);
  }

  .about-hero-emblem {
    position: absolute;
    z-index: 0;
    right: -52px;
    bottom: 24px;
    width: 245px;
    opacity: 0.42;
  }

  .about-hero-copy {
    align-self: start;
  }

  .about-profile-stats {
    gap: 7px;
  }

  .about-profile-stats > div {
    padding: 15px 10px;
  }

  .about-profile-stats dd {
    font-size: 10px;
  }

  .about-growth-header {
    text-align: left;
  }

  .about-growth-header > div {
    margin-left: 0;
  }

  .about-growth-header h2::after {
    margin-left: 0;
  }

  .about-history-track {
    right: auto;
    left: 16px;
    transform: none;
  }

  .about-growth-list {
    gap: 25px;
    padding-left: 52px;
  }

  .about-growth-section .growth-event,
  .about-growth-section .growth-event:nth-child(odd),
  .about-growth-section .growth-event:nth-child(even) {
    --about-card-x: 22px;
    width: 100%;
    min-height: 0;
    padding: 24px 23px;
    text-align: left;
  }

  .about-growth-section .growth-event::before,
  .about-growth-section .growth-event:nth-child(odd)::before,
  .about-growth-section .growth-event:nth-child(even)::before {
    top: 29px;
    right: auto;
    left: -45px;
  }

  .about-growth-section .growth-event::after,
  .about-growth-section .growth-event:nth-child(odd)::after,
  .about-growth-section .growth-event:nth-child(even)::after {
    display: block;
    top: 37px;
    right: auto;
    left: -29px;
    width: 28px;
    background: linear-gradient(90deg, rgba(94, 183, 186, 0.46), rgba(94, 183, 186, 0.1));
  }

  .about-growth-section .growth-event:nth-child(odd) .growth-index,
  .growth-index {
    right: 14px;
    left: auto;
    font-size: 64px;
  }

  html[dir="rtl"] .about-growth-header {
    text-align: right;
  }

  html[dir="rtl"] .about-growth-header > div,
  html[dir="rtl"] .about-growth-header h2::after {
    margin-right: 0;
    margin-left: auto;
  }

  html[dir="rtl"] .about-history-track {
    right: 16px;
    left: auto;
  }

  html[dir="rtl"] .about-growth-list {
    padding-right: 52px;
    padding-left: 0;
  }

  html[dir="rtl"] .about-growth-section .growth-event,
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(odd),
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(even) {
    --about-card-x: -22px;
    text-align: right;
  }

  html[dir="rtl"] .about-growth-section .growth-event::before,
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(odd)::before,
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(even)::before {
    right: -45px;
    left: auto;
  }

  html[dir="rtl"] .about-growth-section .growth-event::after,
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(odd)::after,
  html[dir="rtl"] .about-growth-section .growth-event:nth-child(even)::after {
    right: -29px;
    left: auto;
    background: linear-gradient(90deg, rgba(94, 183, 186, 0.1), rgba(94, 183, 186, 0.46));
  }
}

@media (max-width: 520px) {
  .about-page-hero {
    min-height: 540px;
  }

  .about-hero-layout {
    padding-top: 48px;
  }

  .about-hero-years {
    right: 0;
    bottom: 22px;
    left: 0;
  }

  .about-page-anchor-nav a {
    padding: 15px 7px;
    font-size: 13px;
  }

  .about-page-profile,
  .about-growth-section {
    padding-top: 76px;
    padding-bottom: 86px;
  }

  .about-profile-stats {
    grid-template-columns: 1fr;
  }

  .about-profile-stats > div {
    display: grid;
    grid-template-columns: 75px 1fr;
    align-items: center;
  }

  .about-profile-stats dd {
    margin-top: 0;
  }

  .about-page .factory-photo-stack {
    aspect-ratio: 1.05;
  }

  .about-page .factory-photo-inset,
  html[dir="rtl"] .about-page .factory-photo-inset {
    right: 10px;
    bottom: 10px;
    left: auto;
    width: 54%;
  }

  .factory-photo-caption {
    bottom: 16px;
    left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-hero-glow,
  .about-emblem-orbit,
  .about-hero-years i::after {
    animation: none !important;
  }

  .about-page .factory-photo-stack,
  .about-page .factory-photo-main img,
  .about-growth-section .growth-event,
  .about-anchor-progress {
    transition-duration: 0.01ms !important;
  }
}

/* 关于页最终紧凑化覆盖：位于文件末尾，确保不会被旧版页面增强规则放大。 */
.about-page-hero {
  min-height: 370px;
  padding: 0;
  background: radial-gradient(circle at 83% 40%, rgba(40,181,180,.12), transparent 23%), linear-gradient(118deg, #0a2638, #0d3b50 67%, #105363);
}
.about-page-hero::after { right: 6vw; bottom: -56%; width: min(440px,42vw); box-shadow: 0 0 0 55px rgba(111,237,229,.018), 0 0 0 112px rgba(111,237,229,.012); }
.about-hero-grid { opacity: .16; background-size: 56px 56px; }
.about-hero-glow { display: none; }
.about-hero-layout { grid-template-columns: minmax(0,720px) minmax(140px,190px); gap: clamp(34px,6vw,78px); padding-top: 54px; padding-bottom: 62px; }
.about-page-kicker { margin-bottom: 13px; font-size: 11px; }
.about-page-kicker::before { width: 24px; box-shadow: none; }
.about-page-hero h1 { max-width: 660px; font-size: clamp(38px,4.5vw,56px); letter-spacing: -.025em; text-shadow: none; }
.about-page-hero .about-hero-intro { max-width: 570px; margin-top: 16px; font-size: clamp(15px,1.2vw,17px); }
.about-hero-emblem { width: min(100%,180px); opacity: .48; filter: none; }
.about-emblem-orbit-outer, .about-emblem-orbit-inner { animation: none; }
.about-emblem-orbit::after { width: 6px; height: 6px; box-shadow: 0 0 12px 2px rgba(41,214,207,.44); }
.about-emblem-core { background: rgba(8,41,57,.45); box-shadow: none; }
.about-emblem-core b { font-size: clamp(29px,3.4vw,42px); }
.about-emblem-core small { margin-top: 8px; font-size: 8px; }
.about-hero-years { right: 0; bottom: 19px; left: 0; font-size: 9px; }

.about-page-anchor-nav { width: min(100%,720px); margin: 0 auto; border-right: 1px solid var(--line); border-left: 1px solid var(--line); border-radius: 0 0 12px 12px; box-shadow: 0 8px 22px rgba(5,41,57,.06); }
.about-page-anchor-nav a { padding: 12px; font-size: 13px; }
.about-anchor-progress { height: 2px; }

.about-page-profile { padding: 72px 0 80px; background: linear-gradient(180deg,#f8fbfb,#fff); }
.about-page-profile::before { top: 14px; color: rgba(16,47,70,.025); font-size: clamp(72px,10vw,138px); }
.about-page-profile-grid { grid-template-columns: minmax(0,.48fr) minmax(0,.52fr); gap: clamp(38px,5vw,64px); }
.about-page-section-heading { margin-bottom: 20px; padding: 5px 0 5px 14px; }
.about-page-section-heading span { font-size: 10px; }
.about-page-section-heading h2 { font-size: clamp(22px,2vw,28px); }
.about-page-profile-copy h3 { margin-bottom: 16px; font-size: clamp(23px,2.2vw,30px); }
.about-page-profile-copy > p { margin-bottom: 12px; font-size: 15px; line-height: 1.7; }
.about-profile-stats { gap: 0; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }
.about-profile-stats > div { padding: 2px 14px; border: 0; border-left: 1px solid #d9e8e9; border-radius: 0; background: transparent; box-shadow: none; }
.about-profile-stats > div:first-child { padding-left: 0; border-left: 0; }
.about-profile-stats > div::after { display: none; }
.about-profile-stats > div:hover { border-color: #d9e8e9; transform: none; box-shadow: none; }
.about-profile-stats dt { font-size: clamp(22px,1.8vw,27px); }
.about-profile-stats dd { margin-top: 6px; font-size: 10px; letter-spacing: .02em; }
.about-page .factory-photo-stack, html.about-motion-ready .about-page-profile-media.about-reveal-item.is-revealed { aspect-ratio: 16/10; margin: 0 0 22px; transform: none; transition: none; }
.about-page .factory-photo-main { border-radius: 14px; box-shadow: 0 18px 42px rgba(8,50,66,.16); }
.about-page .factory-photo-main img, .about-page .factory-photo-stack:hover .factory-photo-main img { scale: 1.02; transform: none; }
.about-page .factory-photo-inset { right: -12px; bottom: -20px; width: 39%; border-width: 4px; border-radius: 10px; box-shadow: 0 12px 28px rgba(7,42,56,.22); }
.factory-photo-caption { bottom: 13px; left: 15px; font-size: 8px; }
.factory-photo-caption b { font-size: 10px; }

.about-growth-section { padding: 76px 0 90px; color: var(--navy); background: radial-gradient(circle at 90% 5%, rgba(24,184,181,.07), transparent 26%), #f4f8f8; }
.about-growth-section::before { opacity: .2; background-image: linear-gradient(rgba(25,97,112,.07) 1px,transparent 1px), linear-gradient(90deg,rgba(25,97,112,.07) 1px,transparent 1px); background-size: 64px 64px; }
.about-growth-header { max-width: 690px; margin-bottom: 48px; }
.about-growth-header > p { margin-bottom: 10px; color: var(--teal-dark); font-size: 10px; }
.about-growth-header h2 { color: var(--navy); font-size: clamp(28px,3vw,38px); letter-spacing: -.015em; }
.about-growth-header h2::after { width: 42px; margin-top: 16px; }
.about-growth-header > div { max-width: 610px; margin-top: 14px; color: #687981; font-size: 14px; }
.about-history-timeline { max-width: 960px; }
.about-growth-list { gap: 24px; }
.about-history-track { top: 25px; bottom: 25px; background: #d4e3e4; }
.about-history-track::before, .about-history-track::after { width: 7px; height: 7px; border-color: #69bfbd; background: #f4f8f8; }
.about-history-track span { background: linear-gradient(180deg,#20bcb7,#287eb0); box-shadow: 0 0 9px rgba(32,188,183,.25); }
.about-growth-section .growth-event { --about-card-x: -14px; width: calc(50% - 44px); min-height: 96px; padding: 18px 21px; border-color: #dce8e9; border-radius: 10px; color: var(--navy); background: rgba(255,255,255,.92); box-shadow: 0 8px 24px rgba(16,47,70,.055); backdrop-filter: none; }
.about-growth-section .growth-event:nth-child(even) { --about-card-x: 14px; }
.about-growth-section .growth-event::before { top: 25px; right: -51px; width: 14px; height: 14px; border: 4px solid #f4f8f8; background: #8eb7b8; box-shadow: 0 0 0 1px #8eb7b8; }
.about-growth-section .growth-event:nth-child(even)::before { right: auto; left: -51px; }
.about-growth-section .growth-event::after { top: 31px; right: -38px; width: 37px; background: #cfdfdf; }
.about-growth-section .growth-event:nth-child(even)::after { right: auto; left: -38px; background: #cfdfdf; }
.about-growth-section .growth-event time { margin-bottom: 7px; color: var(--teal-dark); font-size: clamp(20px,2vw,25px); }
.about-growth-section .growth-event p { color: #5f7078; font-size: 13px; line-height: 1.58; }
.growth-index { top: 7px; right: 12px; color: rgba(15,143,145,.055); font-size: 48px; }
.about-growth-section .growth-event:nth-child(odd) .growth-index { left: 12px; }
.about-growth-section .growth-event:hover, .about-growth-section .growth-event.is-active { border-color: rgba(15,143,145,.32); box-shadow: 0 11px 28px rgba(16,73,83,.09); transform: translateY(-2px); }
.about-growth-section .growth-event.is-active::before { background: #21bab5; box-shadow: 0 0 0 1px #21bab5, 0 0 12px 3px rgba(33,186,181,.18); scale: 1; }
html.about-motion-ready .about-hero-copy, html.about-motion-ready .about-hero-emblem, html.about-motion-ready .about-page-section-heading, html.about-motion-ready .about-page-profile-copy > h3, html.about-motion-ready .about-page-profile-copy > p, html.about-motion-ready .about-profile-stats, html.about-motion-ready .about-page-profile-media, html.about-motion-ready .about-growth-header, html.about-motion-ready .about-growth-section .growth-event { filter: none; transform: translateY(14px); }
html.about-motion-ready .about-growth-section .growth-event.about-reveal-item { transform: translate3d(var(--about-card-x),12px,0); }
html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed:hover, html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed.is-active { transform: translate3d(0,-2px,0); }

@media (max-width: 980px) {
  .about-page-profile-grid { gap: 34px; }
  .about-page .factory-photo-stack { width: min(100%,640px); }
}

@media (max-width: 760px) {
  .about-page-hero { min-height: 330px; }
  .about-hero-layout { grid-template-columns: 1fr; padding-top: 42px; padding-bottom: 54px; }
  .about-page-hero h1 { font-size: clamp(34px,9vw,43px); }
  .about-hero-emblem { display: none; }
  .about-page-profile { padding: 58px 0 64px; }
  .about-page-profile-grid { gap: 32px; }
  .about-growth-section { padding: 60px 0 68px; }
  .about-growth-header { margin-bottom: 34px; }
  .about-history-track { left: 10px; }
  .about-growth-list { gap: 16px; padding-left: 40px; }
  .about-growth-section .growth-event, .about-growth-section .growth-event:nth-child(odd), .about-growth-section .growth-event:nth-child(even) { --about-card-x: 12px; padding: 16px 18px; }
  .about-growth-section .growth-event::before, .about-growth-section .growth-event:nth-child(odd)::before, .about-growth-section .growth-event:nth-child(even)::before { top: 23px; left: -37px; }
  .about-growth-section .growth-event::after, .about-growth-section .growth-event:nth-child(odd)::after, .about-growth-section .growth-event:nth-child(even)::after { top: 29px; left: -26px; width: 25px; background: #cfdfdf; }
  .about-growth-section .growth-event:nth-child(odd) .growth-index, .growth-index { right: 11px; left: auto; font-size: 42px; }
  html[dir="rtl"] .about-history-track { right: 10px; }
  html[dir="rtl"] .about-growth-list { padding-right: 40px; }
  html[dir="rtl"] .about-growth-section .growth-event::before, html[dir="rtl"] .about-growth-section .growth-event:nth-child(odd)::before, html[dir="rtl"] .about-growth-section .growth-event:nth-child(even)::before { right: -37px; left: auto; }
  html[dir="rtl"] .about-growth-section .growth-event::after, html[dir="rtl"] .about-growth-section .growth-event:nth-child(odd)::after, html[dir="rtl"] .about-growth-section .growth-event:nth-child(even)::after { right: -26px; left: auto; background: #cfdfdf; }
}

@media (max-width: 520px) {
  .about-page-hero { min-height: 300px; }
  .about-hero-layout { padding-top: 36px; padding-bottom: 48px; }
  .about-page-anchor-nav a { padding: 10px 6px; font-size: 12px; }
  .about-profile-stats { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .about-profile-stats > div { display: block; padding: 2px 8px; }
  .about-profile-stats > div:first-child { padding-left: 0; }
  .about-profile-stats dd { margin-top: 5px; }
  .about-page .factory-photo-stack { aspect-ratio: 16/10; }
  .about-page .factory-photo-inset, html[dir="rtl"] .about-page .factory-photo-inset { right: 8px; bottom: 8px; width: 41%; }
}

/* 关于页中性色板：暖白、钢灰与少量品牌青色，避免大面积高饱和渐变。 */
.about-page {
  --about-accent: #138b87;
  --about-ink: #1b2d37;
  background: #ffffff;
}

.about-page-hero {
  color: #1b2d37;
  background:
    radial-gradient(circle at 82% 35%, rgba(19, 139, 135, 0.07), transparent 24%),
    linear-gradient(115deg, #f8f9f7 0%, #f1f4f3 72%, #edf2f0 100%);
  border-bottom: 1px solid #dfe5e3;
}

.about-page-hero::after {
  border-color: rgba(19, 139, 135, 0.12);
  box-shadow: 0 0 0 55px rgba(19, 139, 135, 0.02), 0 0 0 112px rgba(19, 139, 135, 0.012);
}

.about-hero-grid {
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(31, 55, 65, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 55, 65, 0.07) 1px, transparent 1px);
  mask-image: linear-gradient(90deg, transparent, #000 52%, #000);
}

.about-page-kicker {
  color: #138b87;
}

.about-page-hero h1 {
  color: #1b2d37;
}

.about-page-hero .about-hero-intro {
  color: #64737a;
}

.about-emblem-orbit {
  border-color: rgba(19, 139, 135, 0.2);
}

.about-emblem-orbit::after {
  background: #138b87;
  box-shadow: none;
}

.about-emblem-core {
  border-color: rgba(19, 139, 135, 0.22);
  color: #263b45;
  background: rgba(255, 255, 255, 0.56);
}

.about-emblem-core small {
  color: #4f7777;
}

.about-hero-years {
  color: #7b898e;
}

.about-hero-years i {
  background: #d5ddda;
}

.about-hero-years i::after {
  background: linear-gradient(90deg, transparent, #399e9a, transparent);
}

.about-page-anchor-nav {
  background: rgba(255, 255, 255, 0.96);
}

.about-page-anchor-nav a {
  color: #617077;
}

.about-page-anchor-nav a:hover,
.about-page-anchor-nav a.is-active {
  color: #1b2d37;
  background: #f5f7f6;
}

.about-anchor-progress {
  background: #138b87;
}

.about-page-profile {
  background: #ffffff;
}

.about-page-profile::before {
  color: rgba(27, 45, 55, 0.022);
}

.about-page-section-heading {
  border-left-color: #138b87;
}

.about-page-section-heading span,
.about-profile-stats dd {
  color: #768287;
}

.about-page-section-heading h2,
.about-page-profile-copy h3,
.about-profile-stats dt {
  color: #1b2d37;
}

.about-page-profile-copy > p {
  color: #596970;
}

.about-profile-stats,
.about-profile-stats > div {
  border-color: #e1e6e4;
}

.about-page .factory-photo-main {
  box-shadow: 0 18px 42px rgba(27, 45, 55, 0.13);
}

.about-page .factory-photo-inset {
  box-shadow: 0 12px 28px rgba(27, 45, 55, 0.18);
}

.about-growth-section {
  color: #1b2d37;
  background: #f5f6f4;
}

.about-growth-section::before {
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(36, 57, 66, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 57, 66, 0.08) 1px, transparent 1px);
}

.about-growth-header > p,
.about-growth-section .growth-event time {
  color: #138b87;
}

.about-growth-header h2 {
  color: #1b2d37;
}

.about-growth-header > div,
.about-growth-section .growth-event p {
  color: #647177;
}

.about-growth-header h2::after {
  background: #138b87;
}

.about-history-track {
  background: #d9dfdc;
}

.about-history-track::before,
.about-history-track::after {
  border-color: #8b9c9a;
  background: #f5f6f4;
}

.about-history-track span {
  background: #138b87;
  box-shadow: none;
}

.about-growth-section .growth-event {
  border-color: #dfe5e2;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 22px rgba(32, 50, 58, 0.05);
}

.about-growth-section .growth-event::before {
  border-color: #f5f6f4;
  background: #a5b2af;
  box-shadow: 0 0 0 1px #a5b2af;
}

.about-growth-section .growth-event::after,
.about-growth-section .growth-event:nth-child(even)::after {
  background: #d5ddda;
}

.about-growth-section .growth-event:hover,
.about-growth-section .growth-event.is-active {
  border-color: rgba(19, 139, 135, 0.36);
  box-shadow: 0 10px 25px rgba(32, 50, 58, 0.075);
}

.about-growth-section .growth-event.is-active::before {
  background: #138b87;
  box-shadow: 0 0 0 1px #138b87, 0 0 0 4px rgba(19, 139, 135, 0.1);
}

.growth-index {
  color: rgba(27, 45, 55, 0.04);
}

/* 首屏版式修正：内容保持居中容器，不再贴住超宽屏左边缘。 */
.about-page-hero {
  min-height: 330px;
  background: #f6f8f7;
}

.about-page-hero::after {
  display: none;
}

.about-hero-grid {
  opacity: 0.1;
  mask-image: linear-gradient(90deg, transparent 18%, #000 58%, transparent 100%);
}

.about-hero-layout.container {
  width: min(1040px, calc(100% - 64px));
  margin-right: auto;
  margin-left: auto;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 72px;
  padding-top: 46px;
  padding-bottom: 54px;
}

.about-hero-copy {
  max-width: 620px;
}

.about-page-hero h1 {
  font-size: clamp(36px, 4vw, 50px);
}

.about-page-hero p.about-hero-intro:last-child {
  max-width: 540px;
  color: #5e6c72;
  font-size: 16px;
}

.about-hero-emblem {
  width: 140px;
  opacity: 0.58;
}

.about-hero-years {
  right: 0;
  left: 0;
}

@media (max-width: 760px) {
  .about-page-hero {
    min-height: 280px;
  }

  .about-hero-layout.container {
    width: min(calc(100% - 36px), 620px);
    grid-template-columns: 1fr;
    padding-top: 36px;
    padding-bottom: 48px;
  }

  .about-hero-copy {
    max-width: none;
    text-align: center;
  }

  .about-page-kicker {
    justify-content: center;
  }

  .about-page-hero p.about-hero-intro:last-child {
    margin-right: auto;
    margin-left: auto;
  }
}

/* 关于页文字对比度修正：正文与辅助信息统一使用清晰的深灰色。 */
.about-page-anchor-nav a { color: #3f5058; font-weight: 700; }
.about-page-anchor-nav a:hover,
.about-page-anchor-nav a.is-active { color: #142933; }
.about-page-section-heading span { color: #506169; }
.about-page-section-heading h2,
.about-page-profile-copy h3 { color: #172d37; }
.about-page-profile-copy > p { color: #3f5159; }
.about-profile-stats dt { color: #173943; }
.about-profile-stats dd { color: #465860; font-weight: 700; }
.about-growth-section { background: #eef2f0; }
.about-growth-header > p { color: #0a726f; }
.about-growth-header h2 { color: #172d37; }
.about-growth-header > div { color: #44565e; }
.about-growth-section .growth-event { border-color: #cfd9d5; background: #ffffff; }
.about-growth-section .growth-event time { color: #0a726f; }
.about-growth-section .growth-event p { color: #3f5158; font-weight: 500; }
.about-history-track::before,
.about-history-track::after,
.about-growth-section .growth-event::before { border-color: #eef2f0; }
.factory-photo-caption { color: rgba(255,255,255,.9); }
.factory-photo-caption b { color: #ffffff; }

/* 可读性优先：文字始终完全显示，仅保留不影响阅读的线条与节点动画。 */
html.about-motion-ready .about-hero-copy,
html.about-motion-ready .about-reveal-item,
html.about-motion-ready .about-reveal-item.is-revealed,
html.about-motion-ready .about-growth-section .growth-event.about-reveal-item,
html.about-motion-ready .about-growth-section .growth-event.about-reveal-item.is-revealed {
  opacity: 1 !important;
  filter: none !important;
}

.about-page-hero p.about-hero-intro:last-child {
  color: #33464e;
  font-weight: 500;
}

.about-page-profile-copy > p {
  color: #263d46;
  font-size: 16px;
  font-weight: 500;
}

.about-page-section-heading span,
.about-profile-stats dd {
  color: #33474f;
}

.about-growth-header > div {
  color: #33474f;
  font-size: 15px;
  font-weight: 500;
}

.about-growth-section .growth-event p {
  color: #293f47;
  font-size: 14px;
  font-weight: 500;
}

.about-page-anchor-nav a {
  color: #263a43;
}

/* 次要视觉信息也保持可辨识，不再使用接近背景色的透明灰。 */
.about-hero-emblem {
  opacity: 0.9;
}

.about-emblem-orbit {
  border-color: #94b7b4;
}

.about-emblem-orbit-inner {
  border-color: #adc4c2;
}

.about-emblem-orbit::after {
  background: #0a7774;
}

.about-emblem-core {
  border-color: #91afac;
  color: #203740;
  background: rgba(255,255,255,.82);
}

.about-emblem-core small {
  color: #365a5a;
}

.about-hero-years {
  color: #4b5f66;
}

.about-hero-years i {
  background: #aebdb9;
}

.about-hero-years i::after {
  background: linear-gradient(90deg, transparent, #0a7774, transparent);
}

.growth-index,
.about-growth-section .growth-event:nth-child(odd) .growth-index {
  color: rgba(27,45,55,.13);
}

.about-history-track {
  background: #aebbb8;
}

.about-history-track span {
  background: #0a7774;
}

.about-history-track::before,
.about-history-track::after {
  border-color: #768c8a;
}

.about-growth-section .growth-event {
  border-color: #bccbc7;
}

.about-growth-section .growth-event::before {
  background: #738987;
  box-shadow: 0 0 0 1px #738987;
}

.about-growth-section .growth-event::after,
.about-growth-section .growth-event:nth-child(even)::after {
  background: #aabbb7;
}

.about-growth-section .growth-event.is-active::before {
  background: #087a76;
  box-shadow: 0 0 0 1px #087a76, 0 0 0 4px rgba(8,122,118,.14);
}

/* 区块背景层次：使用可见的浅青灰区分首屏、简介与发展历程。 */
.about-page-hero {
  background:
    linear-gradient(90deg, rgba(255,255,255,.16), transparent 45%),
    linear-gradient(120deg, #eaf2f1 0%, #dce9e7 100%);
}

.about-hero-grid {
  opacity: 0.16;
}

.about-page-anchor-nav {
  background: #ffffff;
}

.about-page-profile {
  background: #f8faf9;
}

.about-growth-section {
  background: #dde8e5;
}

.about-growth-section::before {
  opacity: 0.18;
}

.about-growth-section .growth-event {
  border-color: #aec1bc;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(30,54,60,.08);
}

.about-history-track::before,
.about-history-track::after,
.about-growth-section .growth-event::before {
  border-color: #dde8e5;
}

/* 与首页统一：深海军蓝、品牌青、白色，不再使用偏淡的自定义青灰色。 */
.about-page-hero {
  color: #ffffff;
  background:
    radial-gradient(circle at 78% 32%, rgba(24,184,181,.24), transparent 28%),
    linear-gradient(118deg, #0c2537 0%, #174f68 62%, #0f8f91 100%);
  border-bottom-color: rgba(24,184,181,.5);
}

.about-hero-grid {
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
}

.about-page-kicker {
  color: #7ee2dc;
}

.about-page-hero h1 {
  color: #ffffff;
}

.about-page-hero p.about-hero-intro:last-child {
  color: rgba(255,255,255,.86);
}

.about-hero-emblem {
  opacity: 0.95;
}

.about-emblem-orbit,
.about-emblem-orbit-inner {
  border-color: rgba(144,229,224,.62);
}

.about-emblem-orbit::after {
  background: #8fe9e4;
}

.about-emblem-core {
  border-color: rgba(180,241,237,.7);
  color: #ffffff;
  background: rgba(8,37,55,.42);
}

.about-emblem-core small {
  color: #a4e5e1;
}

.about-hero-years {
  color: rgba(255,255,255,.76);
}

.about-hero-years i {
  background: rgba(255,255,255,.36);
}

.about-hero-years i::after {
  background: linear-gradient(90deg, transparent, #77e9e4, transparent);
}

.about-page-profile {
  background: #f8fbfb;
}

.about-growth-section {
  color: #ffffff;
  background:
    radial-gradient(circle at 90% 12%, rgba(24,184,181,.16), transparent 28%),
    #102f46;
}

.about-growth-section::before {
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
}

.about-growth-header > p {
  color: #70ddd7;
}

.about-growth-header h2 {
  color: #ffffff;
}

.about-growth-header > div {
  color: rgba(255,255,255,.82);
}

.about-growth-header h2::after {
  background: #18b8b5;
}

.about-history-track {
  background: rgba(255,255,255,.3);
}

.about-history-track span {
  background: #18b8b5;
}

.about-history-track::before,
.about-history-track::after {
  border-color: #79c9c5;
  background: #102f46;
}

.about-growth-section .growth-event {
  border-color: rgba(139,218,214,.45);
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(0,13,22,.22);
}

.about-growth-section .growth-event::before {
  border-color: #102f46;
  background: #9ab9b7;
  box-shadow: 0 0 0 1px #9ab9b7;
}

.about-growth-section .growth-event::after,
.about-growth-section .growth-event:nth-child(even)::after {
  background: rgba(182,226,223,.62);
}

.about-growth-section .growth-event.is-active::before {
  background: #31c9c3;
  box-shadow: 0 0 0 1px #31c9c3, 0 0 0 4px rgba(49,201,195,.2);
}

/* 发展历程使用中明度钢蓝色，降低深海军蓝的大面积压迫感。 */
.about-growth-section {
  background:
    radial-gradient(circle at 88% 10%, rgba(99,199,192,.2), transparent 30%),
    linear-gradient(135deg, #355f73 0%, #487985 100%);
}

.about-growth-header > div {
  color: rgba(255,255,255,.92);
}

.about-growth-section::before {
  opacity: 0.16;
}

.about-history-track::before,
.about-history-track::after {
  background: #3d6b7b;
}

.about-growth-section .growth-event::before {
  border-color: #3d6b7b;
}

.about-growth-section .growth-event {
  box-shadow: 0 12px 28px rgba(17,43,53,.18);
}

/* 最终平衡色：介于深海军蓝与明亮钢蓝之间。 */
.about-growth-section {
  background:
    radial-gradient(circle at 88% 10%, rgba(71,184,177,.16), transparent 30%),
    linear-gradient(135deg, #254b60 0%, #356675 100%);
}

.about-history-track::before,
.about-history-track::after {
  background: #2d596a;
}

.about-growth-section .growth-event::before {
  border-color: #2d596a;
}

/* 页头下拉指示统一为细线折角，替代字体字符箭头。 */
.nav-dropdown > a {
  gap: 9px;
}

.nav-dropdown-arrow,
.language-menu-chevron {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  font-size: 0;
  line-height: 0;
  opacity: 0.72;
  transform: rotate(45deg);
  transform-origin: center;
  transition: opacity 180ms ease, transform 220ms cubic-bezier(.22,1,.36,1);
}

.nav-dropdown:hover .nav-dropdown-arrow,
.language-selector:hover .language-menu-chevron {
  opacity: 1;
}

.nav-dropdown.is-open .nav-dropdown-arrow,
.language-selector.is-open .language-menu-chevron {
  transform: rotate(225deg);
}

.language-selector {
  gap: 10px;
}

.language-menu-trigger {
  min-width: 136px;
  min-height: 40px;
  gap: 22px;
  padding: 8px 14px;
  border-color: #d7e2e4;
  border-radius: 8px;
  background: #f9fbfb;
  transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.language-menu-trigger:hover,
.language-selector.is-open .language-menu-trigger {
  border-color: rgba(15,143,145,.58);
  background: #f2f8f8;
  box-shadow: 0 0 0 3px rgba(24,184,181,.07);
}

.language-menu {
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(16,47,70,.14);
}

/* 中英文 Logo 依据实际非透明内容统一可视高度和左侧起点。 */
.brand {
  width: 247px;
  height: 76px;
  flex: 0 0 247px;
}

.brand-logo {
  position: absolute;
  top: 50%;
  left: 0;
  width: auto;
  height: 100px;
  max-width: none;
  margin: 0;
  transform: translateY(-50%);
}

.brand-logo.is-logo-zh {
  top: 50%;
  left: calc(50% - 24px);
  width: auto;
  height: 255px;
  max-width: none;
  margin-top: 8px;
  transform: translate(-50%, -50%);
}

@media (max-width: 640px) {
  .brand {
    width: 94px;
    height: 68px;
    flex-basis: 94px;
  }

  .brand-logo {
    left: 0;
    height: 38px;
    margin: 0;
    transform: translateY(-50%);
  }

  .brand-logo.is-logo-zh {
    left: calc(50% - 9px);
    height: 97px;
    margin-top: 3px;
    transform: translate(-50%, -50%);
  }
}

/* 首页应用行业：用有分量的雾面蓝灰衔接深色卡片与品牌青，避免大面积发白。 */
html.homepage #applications.catalog-section {
  background:
    radial-gradient(circle at 86% 6%, rgba(24, 184, 181, 0.22), transparent 29%),
    radial-gradient(circle at 8% 92%, rgba(31, 111, 169, 0.16), transparent 32%),
    linear-gradient(135deg, #c7dadd 0%, #e4eded 48%, #bfd8d8 100%);
}

html.homepage #applications .section-title-row {
  border-bottom-color: rgba(24, 73, 87, 0.2);
}

html.homepage #applications .home-section-title {
  color: #123f50;
}

html.homepage #applications .section-intro {
  color: #526a73;
}

html.homepage #applications .section-number {
  opacity: 0.82;
  -webkit-text-stroke-color: rgba(15, 111, 115, 0.36);
}

html.homepage #applications .applications-carousel {
  border-color: rgba(67, 128, 137, 0.36);
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 255, 255, 0.68), transparent 29%),
    linear-gradient(145deg, rgba(250, 253, 253, 0.74), rgba(225, 239, 239, 0.62));
  box-shadow: 0 26px 64px rgba(8, 40, 58, 0.16);
  backdrop-filter: blur(14px);
}

html.homepage #applications .applications-arrow {
  border-color: rgba(24, 121, 126, 0.34);
  background: rgba(250, 253, 253, 0.9);
  color: #123f50;
  box-shadow: 0 9px 24px rgba(8, 40, 58, 0.12);
}

html.homepage #applications .application-slider-dots button:not(.active) {
  background: rgba(18, 63, 80, 0.28);
}