/* ==========================================================================
   中数云梯科技（成都）有限公司 —— 官网模板样式表
   --------------------------------------------------------------------------
   目录：
   1. 设计变量（品牌色 / 字号 / 间距 / 圆角 / 阴影）
   2. 基础重置与排版
   3. 布局工具类
   4. 顶部导航 Header
   5. 按钮 Button
   6. 首屏 Hero
   7. 数据看板 Stats
   8. 通用区块与标题 Section / Section Title
   9. 卡片 Card
  10. 业务板块 / 双栏图文
  11. 合作伙伴 Logo 墙（无缝滚动）
  12. 时间线 / 政策列表
  13. 表格 / 表单
  14. 页脚 Footer
  15. 页头横幅 Page Banner
  16. 动效与响应式
   ========================================================================== */

/* ------------------------------------------------------------------
   1. 设计变量
   —— 改品牌色只需改下面 --brand 系列；--accent 用于数据/科技类点缀
   ------------------------------------------------------------------ */
:root {
  /* 品牌主色：取自公司 PPT 标识色 #D80000 */
  --brand: #d80000;
  --brand-dark: #a80000;
  --brand-deep: #7c0505;
  --brand-light: #ff3b30;
  --brand-soft: #ffeceb;
  --brand-tint: #fff6f5;

  /* 辅助色：科技数据蓝（用于图表、标签、平台类模块） */
  --accent: #0a9fb5;
  --accent-soft: #e6f8fa;

  /* 中性色 */
  --ink: #16181d;
  --ink-2: #3d434f;
  --ink-3: #6b7280;
  --ink-4: #9aa1ac;
  --line: #e6e8ec;
  --line-2: #f1f2f5;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-dark: #0d1117;
  --bg-darker: #070a0e;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #d80000 0%, #ff5a45 100%);
  --grad-dark: linear-gradient(150deg, #0d1117 0%, #1d2430 60%, #2a1414 100%);
  --grad-glass: linear-gradient(160deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .02));

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-sm: 0 2px 10px rgba(16, 20, 30, .06);
  --sh-md: 0 10px 30px rgba(16, 20, 30, .09);
  --sh-lg: 0 24px 60px rgba(16, 20, 30, .14);
  --sh-brand: 0 14px 34px rgba(216, 0, 0, .24);

  /* 尺寸 */
  --header-h: 74px;
  --container: 1200px;
  --container-wide: 1400px;

  /* 字体 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Segoe UI", var(--font-sans);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ------------------------------------------------------------------
   2. 基础重置与排版
   ------------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  margin: 0 0 .5em;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}

h1 { font-size: clamp(30px, 4.4vw, 54px); }
h2 { font-size: clamp(25px, 3vw, 38px); }
h3 { font-size: clamp(19px, 1.7vw, 23px); }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--brand); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--brand-dark); }

img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

strong { color: var(--ink); font-weight: 700; }
em { font-style: normal; color: var(--brand); font-weight: 600; }

::selection { background: var(--brand); color: #fff; }

/* ------------------------------------------------------------------
   3. 布局工具类
   ------------------------------------------------------------------ */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-wide { width: 100%; max-width: var(--container-wide); margin: 0 auto; padding: 0 24px; }

.section { padding: 64px 0; position: relative; }
.section-sm { padding: 44px 0; }
.section-lg { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--bg-dark); color: #b9c1cd; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-grad { background: var(--grad-brand); color: rgba(255, 255, 255, .88); }
.section-grad h1, .section-grad h2, .section-grad h3 { color: #fff; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-wide { grid-template-columns: 1.15fr .85fr; }
.split-narrow { grid-template-columns: .85fr 1.15fr; }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 36px; }
.mt-5 { margin-top: 56px; }
.mb-0 { margin-bottom: 0 !important; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 36px; }
.max-720 { max-width: 720px; }
.max-600 { max-width: 600px; }
.muted { color: var(--ink-3); }
.small { font-size: 14px; }
.center-col { display: flex; flex-direction: column; align-items: center; }

/* ------------------------------------------------------------------
   4. 顶部导航
   ------------------------------------------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), height .35s var(--ease);
}

/* 首页首屏为亮色背景，导航初始为透明深色文字 */
.site-header.is-transparent .nav-link { color: var(--ink-2); }
.site-header.is-transparent .nav-link:hover { color: var(--brand); }
.site-header.is-transparent .nav-toggle span { background: var(--ink); }
.site-header.is-transparent .logo-text { color: var(--ink); }
.site-header.is-transparent .logo-en { color: var(--ink-4); }
.site-header.is-transparent .header-tel { color: var(--brand); }

.site-header.is-solid {
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 30px rgba(16, 20, 30, .06);
}
.site-header.is-solid .nav-link { color: var(--ink-2); }
.site-header.is-solid .logo-text { color: var(--ink); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img { height: 40px; width: auto; mix-blend-mode: multiply; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text b { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.logo-en { font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-4); }
.site-footer .logo img { mix-blend-mode: normal; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  padding: 10px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--r-pill);
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .3s var(--ease);
}
.nav-link:hover::after,
.nav-link.is-active::after { width: 20px; }
.nav-link.is-active { color: var(--brand); font-weight: 600; }
.site-header.is-transparent .nav-link.is-active { color: #fff; }

/* 顶部导航：新闻中心 · 二级下拉菜单 */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item > .nav-link { display: inline-flex; align-items: center; }
.nav-caret {
  display: inline-block;
  width: 6px; height: 6px;
  margin-left: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: .55;
  transition: transform .25s var(--ease);
}
.nav-item.has-dropdown:hover .nav-caret { transform: rotate(45deg) translateY(0); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 156px;
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  opacity: 0; visibility: hidden;
  transition: .25s var(--ease);
  z-index: 130;
}
.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown.is-open .nav-dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(4px);
}
.nav-dropdown::before {
  content: "";
  position: absolute;
  top: -6px; left: 50%;
  width: 10px; height: 10px;
  margin-left: -5px;
  background: #fff;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  transform: rotate(45deg);
}
.nav-dropdown-link {
  position: relative;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
  text-align: center;
  transition: .2s var(--ease);
}
.nav-dropdown-link:hover,
.nav-dropdown-link.is-active { background: var(--brand-soft); color: var(--brand); }

.header-cta { display: flex; align-items: center; gap: 12px; flex: none; }
.header-tel { font-family: var(--font-num); font-size: 17px; font-weight: 700; color: var(--brand); letter-spacing: .01em; }
.site-header.is-transparent .header-tel { color: #fff; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 0; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--sh-md);
  padding: 8px 24px 22px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: .3s var(--ease);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-nav a {
  display: block;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
}
.mobile-nav a.is-active { color: var(--brand); }
.mobile-nav .btn { margin-top: 18px; width: 100%; }
.mobile-nav a.mobile-sub { padding: 11px 4px 11px 22px; font-size: 15px; color: var(--ink-3); }

/* ------------------------------------------------------------------
   5. 按钮
   ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border: 0;
  border-radius: var(--r-pill);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand); box-shadow: var(--sh-md); }
.btn-light:hover { color: var(--brand-dark); transform: translateY(-2px); }
.btn-outline-light { background: rgba(255, 255, 255, .06); color: #fff; border: 1px solid rgba(255, 255, 255, .32); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .14); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row.center { justify-content: center; }

/* 文字箭头链接 */
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 15px; }
.link-arrow::after { content: "→"; transition: transform .28s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ------------------------------------------------------------------
   6. 首屏 Hero（亮色调模板）
   ------------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 70px) 0 80px;
  background: linear-gradient(135deg, #f8f9fb 0%, #fff 40%, #fff5f5 100%);
  color: var(--ink);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .10; }
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 85% 20%, rgba(216, 0, 0, .08), transparent 65%),
    linear-gradient(100deg, rgba(255, 255, 255, .6) 0%, rgba(255, 255, 255, .3) 46%, rgba(248, 249, 251, .1) 100%);
}
/* 网格科技纹理 */
.hero-grid {
  position: absolute; inset: 0; z-index: 1; opacity: .4;
  background-image:
    linear-gradient(rgba(216, 0, 0, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 0, 0, .04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero h1 { color: var(--ink); margin-bottom: 22px; letter-spacing: -.02em; }
.hero h1 .hl { color: var(--brand); }
.hero-sub { font-size: clamp(16px, 1.25vw, 19px); color: var(--ink-3); max-width: 660px; margin-bottom: 34px; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 18px 7px 14px;
  margin-bottom: 26px;
  border: 1px solid rgba(216, 0, 0, .2);
  border-radius: var(--r-pill);
  background: var(--brand-tint);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--brand-dark);
  backdrop-filter: blur(6px);
}
.hero-eyebrow i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand);
  box-shadow: 0 0 0 4px rgba(216, 0, 0, .15);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(216, 0, 0, .2); }
  50% { box-shadow: 0 0 0 8px rgba(216, 0, 0, 0); }
}

.hero-slogan {
  display: flex; flex-wrap: wrap; gap: 10px 30px;
  margin-top: 44px; padding-top: 30px;
  border-top: 1px solid var(--line);
  font-size: 15px; letter-spacing: .1em; color: var(--ink-3);
}
.hero-slogan span { display: inline-flex; align-items: center; gap: 10px; }
.hero-slogan span::before { content: ""; width: 16px; height: 2px; background: var(--brand); }

/* 首屏数据条 —— 亮色卡片排版 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 56px;
}
.hero-stat {
  padding: 34px 26px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  text-align: center;
}
.hero-stat:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.hero-stat b {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(42px, 4.8vw, 64px);
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.025em;
  line-height: 1.05;
}
.hero-stat b i { font-style: normal; font-size: .56em; color: var(--brand); margin-left: 3px; font-weight: 800; }
.hero-stat > span { display: block; margin-top: 12px; font-size: 17px; font-weight: 600; color: var(--ink-2); letter-spacing: .01em; }
.hero-stat::after {
  content: ""; display: block; width: 36px; height: 4px;
  background: var(--grad-brand); border-radius: 3px; margin: 16px auto 0;
}

/* 内页 Hero（简洁版） */
.hero-slim { min-height: 0; padding: calc(var(--header-h) + 62px) 0 62px; }
.hero-slim .hero-sub { margin-bottom: 0; }
.hero-crumb { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: rgba(255, 255, 255, .5); margin-bottom: 18px; }
.hero-crumb a { color: rgba(255, 255, 255, .72); }
.hero-crumb a:hover { color: #fff; }
.hero-crumb span.sep { opacity: .5; }

/* ------------------------------------------------------------------
   7. 数据看板（红色主调）
   ------------------------------------------------------------------ */
.stats-band {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand) 55%, var(--brand-light) 100%);
  color: #fff;
}
.stats-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 320px at 12% 100%, rgba(255, 255, 255, .14), transparent 70%),
    radial-gradient(700px 380px at 90% 0%, rgba(255, 255, 255, .08), transparent 65%);
  pointer-events: none;
}
.stats-band::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 78%);
  pointer-events: none;
}
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-item {
  display: flex; flex-direction: column; gap: 10px;
  padding: 14px 32px;
  border-left: 1px solid rgba(255, 255, 255, .18);
}
.stat-item:first-child { border-left: 0; padding-left: 0; }
.stat-ic {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 12px;
  color: #fff;
  margin-bottom: 4px;
  backdrop-filter: blur(4px);
}
.stat-item b {
  display: flex; align-items: baseline; gap: 2px;
  font-family: var(--font-num); font-weight: 900;
  font-size: clamp(54px, 6.2vw, 84px);
  color: #fff;
  line-height: 1; letter-spacing: -.025em;
  text-shadow: 0 6px 24px rgba(0, 0, 0, .22);
}
.stat-item b i {
  font-style: normal;
  font-size: .38em;
  color: rgba(255, 255, 255, .92);
  margin-left: 4px;
  font-weight: 800;
  letter-spacing: 0;
}
.stat-item > span:not(.stat-ic) {
  display: block;
  font-size: 16.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, .82);
  letter-spacing: .04em;
  margin-top: 4px;
}

/* ------------------------------------------------------------------
   8. 区块标题
   ------------------------------------------------------------------ */
.sec-head { max-width: 760px; margin-bottom: 36px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 16px;
}
.sec-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--brand); }
.sec-head.center .sec-eyebrow::before { display: none; }
.sec-head h2 { margin-bottom: 16px; }
.sec-head p { font-size: 16.5px; color: var(--ink-3); }
.section-dark .sec-head p, .section-grad .sec-head p { color: rgba(255, 255, 255, .66); }
.section-dark .sec-eyebrow, .section-grad .sec-eyebrow { color: #ff6a55; }
.section-dark .sec-eyebrow::before, .section-grad .sec-eyebrow::before { background: #ff6a55; }

/* 标题下划线装饰 */
.title-bar { width: 56px; height: 4px; background: var(--grad-brand); border-radius: 4px; margin-bottom: 22px; }
.sec-head.center .title-bar { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------------
   9. 卡片
   ------------------------------------------------------------------ */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 30px 28px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: transparent; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--ink-3); font-size: 15px; }
.card-flat { background: var(--bg-soft); border-color: transparent; }
.card-flat:hover { background: #fff; border-color: var(--line); }

.card-icon {
  width: 54px; height: 54px; border-radius: 15px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  font-size: 24px; font-weight: 800; margin-bottom: 20px;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.card:hover .card-icon { background: var(--brand); color: #fff; }
.card-icon.accent { background: var(--accent-soft); color: var(--accent); }
.card:hover .card-icon.accent { background: var(--accent); color: #fff; }

/* 编号卡片（01 / 02 …） */
.card-num {
  font-family: var(--font-num); font-size: 15px; font-weight: 800; letter-spacing: .1em;
  color: var(--brand); display: block; margin-bottom: 18px;
}
.card-num::after { content: ""; display: block; width: 26px; height: 3px; background: var(--brand); margin-top: 10px; border-radius: 3px; }

/* 深色卡片 */
.section-dark .card, .section-grad .card {
  background: rgba(255, 255, 255, .045);
  border-color: rgba(255, 255, 255, .1);
  backdrop-filter: blur(6px);
}
.section-dark .card h3, .section-grad .card h3 { color: #fff; }
.section-dark .card p, .section-grad .card p { color: rgba(255, 255, 255, .62); }
.section-dark .card:hover, .section-grad .card:hover { background: rgba(255, 255, 255, .08); }

/* 图片卡片 */
.media-card { border-radius: var(--r-md); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.media-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.media-card .media-body { padding: 24px 26px 28px; }

/* ------------------------------------------------------------------
   10. 业务板块 / 双栏图文
   ------------------------------------------------------------------ */
.split-media { position: relative; }
.split-media img { border-radius: var(--r-md); box-shadow: var(--sh-md); width: 100%; }
.split-media.shadow-brand::after {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; z-index: -1;
  border-radius: var(--r-md); background: var(--brand-soft);
}
.split-badge {
  position: absolute; right: -18px; bottom: -18px;
  background: var(--brand); color: #fff;
  border-radius: var(--r-md); padding: 18px 22px; box-shadow: var(--sh-brand);
  text-align: center; line-height: 1.25;
}
.split-badge b { display: block; font-family: var(--font-num); font-size: 26px; font-weight: 800; }
.split-badge span { font-size: 12.5px; opacity: .86; }

/* 关于我们三栏紧凑布局 */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}
.about-visual { position: relative; align-self: stretch; }
.about-visual img { width: 100%; height: 100%; max-height: 460px; object-fit: cover; border-radius: var(--r-md); box-shadow: var(--sh-md); }
.about-visual.shadow-brand::after { inset: 22px -22px -22px 22px; }
.about-visual .split-badge { right: -14px; bottom: -14px; }

.about-stack { display: flex; flex-direction: column; gap: 14px; }
.about-card {
  position: relative;
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.about-card:hover { transform: translateX(4px); box-shadow: var(--sh-sm); border-color: transparent; }
.about-card--brand { background: linear-gradient(135deg, var(--brand-tint) 0%, #fff 100%); border-color: #ffd9d6; }
.about-card__ic {
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 12px;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.about-card:hover .about-card__ic { background: var(--brand); color: #fff; }
.about-card__body { flex: 1; min-width: 0; }
.about-card h3 { margin: 0 0 6px; font-size: 16.5px; color: var(--ink); writing-mode: horizontal-tb; }
.about-card p { margin: 0; font-size: 14px; color: var(--ink-3); line-height: 1.65; }

.about-side { display: flex; flex-direction: column; gap: 14px; }
.about-stat--advantages { background: var(--brand-tint); border-radius: 10px; padding: 10px 12px; margin: -4px -6px 4px; }
.about-stat--advantages b { color: var(--brand); }
.about-stat--advantages span { color: var(--ink-2); font-weight: 500; }
.about-stats {
  display: grid; grid-template-columns: 1fr; gap: 10px;
  background: linear-gradient(135deg, var(--bg-soft) 0%, #fff 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 20px;
}
.about-stat { display: flex; align-items: baseline; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.about-stat:last-child { border-bottom: 0; }
.about-stat b {
  font-family: var(--font-num); font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 800; color: var(--brand); line-height: 1; letter-spacing: -.02em;
}
.about-stat b i { font-style: normal; font-size: .5em; color: var(--ink-3); margin-left: 2px; }
.about-stat span { font-size: 13.5px; color: var(--ink-3); flex: 1; }
.about-media { position: relative; overflow: hidden; border-radius: var(--r-md); border: 1px solid var(--line); }
.about-media img { width: 100%; height: 180px; object-fit: cover; transition: transform .5s var(--ease); }
.about-media:hover img { transform: scale(1.04); }
.about-side .btn-row { margin-top: 4px; }
.about-side .btn { padding: 11px 22px; font-size: 14px; }

/* 政策项加图标 */
.policy-item { padding: 16px 18px; }
.policy-item .p-ic {
  flex: none; width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 10px;
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.policy-item:hover .p-ic { background: var(--brand); color: #fff; transform: rotate(-6deg); }
.policy-item .p-body { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.policy-item .p-text { line-height: 1.55; }

/* 智慧电梯卡片图标 */
.card-iot { padding-top: 26px; }
.card-iot .card-ic {
  display: inline-grid; place-items: center;
  width: 48px; height: 48px;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 14px;
  margin-bottom: 16px;
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}
.card-iot:hover .card-ic { background: var(--brand); color: #fff; transform: translateY(-3px); }
.card-iot .card-num { margin-bottom: 10px; }

/* 产品介绍区块（AI 球机 / 智慧屏 等） */
.product-block {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}
.product-block--reverse {
  grid-template-columns: 1.05fr 0.95fr;
}
.product-block--reverse .product-body { order: 1; }
.product-block--reverse .product-visual { order: 2; }

.product-visual {
  position: relative;
  border-radius: var(--r-lg);
  padding: 36px 32px 30px;
  min-height: 320px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  box-shadow: var(--sh-md);
}
.product-visual::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(480px 300px at 80% 10%, rgba(255, 255, 255, .16), transparent 65%),
    radial-gradient(380px 280px at 10% 100%, rgba(255, 255, 255, .08), transparent 70%);
  pointer-events: none;
}
.product-visual--cam {
  background: linear-gradient(150deg, var(--brand-deep) 0%, var(--brand) 60%, var(--brand-light) 100%);
  color: #fff;
}
.product-visual--screen {
  background: linear-gradient(150deg, #0d2a3a 0%, #0a4d5c 55%, var(--accent) 100%);
  color: #fff;
}
.product-visual > * { position: relative; z-index: 1; }
.product-visual__img {
  width: auto; height: 180px; max-width: 80%;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, .28));
  border-radius: 6px;
}
.product-visual--screen .product-visual__img {
  max-width: 88%; height: auto; max-height: 240px;
  border-radius: 10px;
}

.product-visual__inner {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 20px 0 16px;
}
.product-visual__inner svg { color: #fff; opacity: .96; filter: drop-shadow(0 6px 16px rgba(0, 0, 0, .18)); }
.product-visual__label {
  font-size: 18px; font-weight: 700; letter-spacing: .08em;
  color: #fff;
  padding: 5px 18px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: var(--r-pill);
  backdrop-filter: blur(4px);
}

.product-visual__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.product-visual__stats li { text-align: center; }
.product-visual__stats b {
  display: block;
  font-family: var(--font-num);
  font-size: 22px; font-weight: 800; color: #fff; line-height: 1;
  letter-spacing: -.01em;
}
.product-visual__stats span {
  display: block; margin-top: 4px;
  font-size: 12px; color: rgba(255, 255, 255, .72);
}

.product-body { padding: 8px 4px; }
.product-eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 14px;
}
.product-body h3 {
  font-size: clamp(22px, 2.1vw, 28px); line-height: 1.3;
  margin-bottom: 14px;
}
.product-body > p {
  font-size: 15px; color: var(--ink-2); line-height: 1.75;
  margin-bottom: 20px;
}

/* 功能列表网格（2 列） */
.feature-list--grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
  margin: 0 0 22px;
}
.feature-list--grid li {
  position: relative;
  display: block !important;
  padding: 14px 0 14px 34px;
  font-size: 14px; color: var(--ink-3); line-height: 1.65;
  border-bottom: 1px dashed var(--line);
}
.feature-list--grid li::before {
  content: "✓";
  position: absolute; left: 0; top: 15px;
  width: 22px; height: 22px;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 50%;
  font-size: 12px; font-weight: 800;
  display: grid; place-items: center;
  box-shadow: none;
  flex: none;
}
.feature-list--grid li b {
  display: block !important;
  font-size: 16px; color: var(--ink);
  margin-bottom: 4px;
  writing-mode: horizontal-tb;
  font-weight: 700;
}
.feature-list--grid li > span {
  display: block !important;
  font-size: 13.5px;
  color: #888;
  line-height: 1.65;
}

@media (max-width: 900px) {
  .product-block,
  .product-block--reverse { grid-template-columns: 1fr; gap: 28px; }
  .product-block--reverse .product-body,
  .product-block--reverse .product-visual { order: unset; }
  .product-visual { min-height: 260px; }
}

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

/* 三大业务板块（独立全宽页 · 左右交替） */
.biz-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 56px;
}
.biz-page:last-child { margin-bottom: 0; }
.biz-page--reverse { grid-template-columns: 1fr 1fr; }
.biz-page--reverse .biz-page__body { order: 1; }
.biz-page--reverse .biz-page__visual { order: 2; }

.biz-page__visual {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-md);
  aspect-ratio: 4 / 3;
  background: var(--bg-soft);
}
.biz-page__visual img { width: 100%; height: 100%; object-fit: contain; transition: transform .6s var(--ease); }
.biz-page__visual--contain img { object-fit: contain; }
.biz-page:hover .biz-page__visual img { transform: scale(1.04); }
.biz-page__visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .25) 0%, transparent 35%, transparent 60%, rgba(0, 0, 0, .35) 100%);
  pointer-events: none;
}
.biz-page__num {
  position: absolute; top: 18px; left: 22px; z-index: 2;
  font-family: var(--font-num);
  font-size: 64px; font-weight: 800;
  color: #fff; line-height: 1;
  text-shadow: 0 4px 22px rgba(0, 0, 0, .35);
  letter-spacing: -.03em;
}
.biz-page__tag {
  position: absolute; bottom: 18px; left: 22px; z-index: 2;
  font-size: 13px; font-weight: 700; letter-spacing: .04em;
  color: #fff;
  padding: 6px 14px;
  background: rgba(216, 0, 0, .82);
  border-radius: var(--r-pill);
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 18px rgba(216, 0, 0, .32);
}

.biz-page__body { padding: 8px 4px; }
.biz-page__eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 14px;
}
.biz-page__body h3 {
  font-size: clamp(23px, 2.2vw, 30px); line-height: 1.3;
  margin-bottom: 14px;
}
.biz-page__body > p {
  font-size: 15px; color: var(--ink-2); line-height: 1.75;
  margin-bottom: 22px;
}

.biz-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 22px;
  margin: 0 0 24px;
}
.biz-points li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 14px; color: var(--ink-3); line-height: 1.55;
  border-bottom: 1px dashed var(--line);
}
.biz-points li::before {
  content: "";
  position: absolute; left: 0; top: 16px;
  width: 10px; height: 10px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.biz-points li b {
  display: block;
  font-size: 14.5px; color: var(--ink);
  margin-bottom: 2px;
}

@media (max-width: 900px) {
  .biz-page,
  .biz-page--reverse { grid-template-columns: 1fr; gap: 28px; margin-bottom: 40px; }
  .biz-page--reverse .biz-page__body,
  .biz-page--reverse .biz-page__visual { order: unset; }
  .biz-page__num { font-size: 44px; }
  .biz-page__visual { aspect-ratio: 16 / 9; }
}

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

/* 全托管布局 & 全国布局响应式 */
@media (max-width: 980px) {
  .flow-layout { grid-template-columns: 1fr; gap: 28px; }
  .layout-grid { grid-template-columns: 1fr; gap: 24px; }
  .layout-foot { flex-direction: column; align-items: flex-start; gap: 16px; }
}
@media (max-width: 560px) {
  .layout-stats { grid-template-columns: 1fr; }
  .flow-steps .flow-step { grid-template-columns: auto 1fr; grid-template-areas: "num body" "ic body"; gap: 10px 14px; padding: 18px 16px; }
  .flow-steps .flow-ic { display: none; }
  .layout-cities { flex-direction: column; align-items: flex-start; }
  .layout-cities__label { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 8px; }
}

/* 流程步骤加图标 */
.flow-step .flow-ic {
  display: inline-grid; place-items: center;
  width: 50px; height: 50px;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 14px;
  margin-bottom: 18px;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.flow-step:hover .flow-ic { background: var(--brand); color: #fff; }

/* 全托管模式 · 左右两栏布局 */
.flow-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: stretch;
}
.flow-aside {
  position: relative;
  display: flex; flex-direction: column;
  padding: 34px 32px 30px;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, #1a1f2e 0%, #2a1414 60%, #3a0a0a 100%);
  color: #fff;
  overflow: hidden;
  box-shadow: var(--sh-lg);
}
.flow-aside::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(420px 280px at 90% 0%, rgba(216, 0, 0, .35), transparent 70%),
    radial-gradient(380px 260px at 0% 100%, rgba(255, 90, 69, .18), transparent 70%);
  pointer-events: none;
}
.flow-aside > * { position: relative; z-index: 1; }
.flow-aside__eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: #ff6a55; margin-bottom: 14px;
}
.flow-aside h3 {
  color: #fff; font-size: clamp(24px, 2.2vw, 32px); line-height: 1.25; margin-bottom: 12px;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.flow-aside > p { color: rgba(255, 255, 255, .7); font-size: 14px; line-height: 1.7; margin-bottom: 24px; }

.flow-compare {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 24px;
}
.flow-compare__row {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
}
.flow-compare__row--new {
  background: rgba(216, 0, 0, .22);
  border-color: rgba(216, 0, 0, .4);
}
.flow-compare__tag {
  flex: none;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 9px; border-radius: 4px;
  background: rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .86);
}
.flow-compare__row--new .flow-compare__tag { background: #fff; color: var(--brand); }
.flow-compare__name {
  font-size: 17px; font-weight: 800; color: #fff;
  letter-spacing: -.01em;
}
.flow-compare__desc {
  margin-left: auto;
  font-size: 13px; color: rgba(255, 255, 255, .65);
}
.flow-compare__arrow {
  display: grid; place-items: center;
  color: #ff8a76;
  margin: -2px auto;
}

.flow-aside__stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  padding-top: 20px; margin-bottom: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.flow-aside__stats b {
  display: block; font-family: var(--font-num);
  font-size: 28px; font-weight: 800; color: #fff; line-height: 1;
}
.flow-aside__stats span { display: block; margin-top: 6px; font-size: 12.5px; color: rgba(255, 255, 255, .55); }
.flow-aside .btn-light { margin-top: auto; align-self: flex-start; }

/* 4 步骤垂直列表 */
.flow-steps { display: flex; flex-direction: column; gap: 14px; }
.flow-steps .flow-step {
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas: "num ic body";
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: .3s var(--ease);
}
.flow-steps .flow-step:hover { border-color: var(--brand); box-shadow: var(--sh-md); transform: translateX(4px); }
.flow-steps .flow-num {
  grid-area: num;
  font-family: var(--font-num);
  font-size: 30px; font-weight: 800;
  color: var(--brand-soft);
  line-height: 1; letter-spacing: -.02em;
  transition: color .3s var(--ease);
}
.flow-steps .flow-step:hover .flow-num { color: var(--brand); }
.flow-steps .flow-ic {
  grid-area: ic;
  margin-bottom: 0;
  width: 44px; height: 44px;
}
.flow-steps .flow-step__body { grid-area: body; }
.flow-steps .flow-step__body h4 { margin: 0 0 6px; font-size: 17px; }
.flow-steps .flow-step__body p { margin: 0; font-size: 14px; color: var(--ink-3); line-height: 1.6; }

/* 全国布局 · 紧凑布局 */
.layout-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: stretch;
  margin-bottom: 36px;
}
.layout-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: center;
}
.layout-stat {
  display: flex; flex-direction: column; justify-content: center;
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: .3s var(--ease);
}
.layout-stat:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }
.layout-stat--brand {
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand) 100%);
  border-color: transparent;
  color: #fff;
}
.layout-stat b {
  font-family: var(--font-num);
  font-size: clamp(34px, 3.6vw, 50px); font-weight: 800;
  color: var(--ink); line-height: 1; letter-spacing: -.02em;
}
.layout-stat--brand b { color: #fff; }
.layout-stat b i { font-style: normal; font-size: .42em; color: var(--brand); margin-left: 3px; }
.layout-stat--brand b i { color: rgba(255, 255, 255, .85); }
.layout-stat span {
  display: block; margin-top: 10px;
  font-size: 14px; color: var(--ink-3); letter-spacing: .02em;
}
.layout-stat--brand span { color: rgba(255, 255, 255, .82); }

.layout-map { display: flex; flex-direction: column; gap: 14px; }
.layout-map__img {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-md);
  background: #fff;
}
.layout-map__img img { width: 100%; height: auto; display: block; }
.layout-cities {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.layout-cities__label {
  flex: none;
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--brand);
  padding-right: 14px;
  border-right: 1px solid var(--line);
}
.layout-cities ul { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.layout-cities li {
  font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  padding: 3px 10px;
  background: var(--bg-soft);
  border-radius: var(--r-pill);
}

.layout-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 26px 30px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--brand-tint) 0%, #fff 100%);
  border: 1px solid #ffd9d6;
}
.layout-foot__text h3 { font-size: 20px; margin-bottom: 4px; }
.layout-foot__text p { margin: 0; font-size: 14px; color: var(--ink-3); }
.layout-foot .btn-row { flex: none; }

/* ============================ 新闻中心 ============================ */
.news-tabs {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-bottom: 36px;
}
.news-tab {
  padding: 11px 26px;
  border-radius: var(--r-pill);
  background: #fff;
  border: 1px solid var(--line);
  font-family: inherit;
  font-size: 15px; font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: .28s var(--ease);
}
.news-tab:hover { border-color: var(--brand); color: var(--brand); }
.news-tab.is-active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: var(--sh-brand);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.news-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: transparent; }
.news-card__cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-soft) center/cover no-repeat;
  display: grid; place-items: center;
  color: var(--ink-4);
  font-size: 13px;
  letter-spacing: .04em;
}
.news-card__cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.18) 100%);
  pointer-events: none;
}
.news-card__cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.news-card__cover .news-card__placeholder {
  position: relative; z-index: 1;
  font-size: 12px; letter-spacing: .08em;
  color: rgba(255,255,255,.86);
  background: rgba(216, 0, 0, .82);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  backdrop-filter: blur(4px);
}
.news-card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-card__tag {
  align-self: flex-start;
  font-size: 12px; font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 3px 10px;
  border-radius: var(--r-pill);
}
.news-card__title {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--ink);
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__summary {
  margin: 0;
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__meta {
  margin-top: auto;
  padding-top: 12px;
  display: flex; flex-wrap: wrap; gap: 8px 14px;
  font-size: 12.5px; color: var(--ink-4);
  border-top: 1px dashed var(--line);
}
.news-card__meta b { color: var(--ink-2); font-weight: 500; }
.news-card__top-flag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  color: #fff;
  background: linear-gradient(135deg, #ff8a3c, #ff5a45);
  padding: 3px 9px;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(255, 90, 69, .35);
}
.news-empty {
  text-align: center;
  padding: 48px 0;
  color: var(--ink-3);
  font-size: 15px;
}

@media (max-width: 980px) {
  .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-tab { padding: 9px 18px; font-size: 14px; }
}

/* 新闻中心 · 加载更多 */
.news-more { display: flex; justify-content: center; margin-top: 34px; }
.news-more .btn[disabled] { opacity: .6; cursor: default; }

/* 新闻中心 · 文章详情弹窗 */
.news-modal {
  position: fixed; inset: 0; z-index: 2000;
  display: none;
  align-items: flex-start; justify-content: center;
  padding: 5vh 16px;
}
.news-modal.is-open { display: flex; }
.news-modal__mask {
  position: absolute; inset: 0;
  background: rgba(15, 18, 24, .62);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.news-modal__dialog {
  position: relative;
  width: min(860px, 100%);
  max-height: 90vh;
  background: #fff;
  border-radius: var(--r-md, 16px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: newsModalIn .32s var(--ease, ease);
}
@keyframes newsModalIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.news-modal__close {
  position: absolute; top: 12px; right: 12px; z-index: 3;
  width: 40px; height: 40px; border-radius: 50%;
  border: none; cursor: pointer;
  background: rgba(0, 0, 0, .06); color: var(--ink-2, #444);
  font-size: 24px; line-height: 1;
  display: grid; place-items: center;
  transition: .25s var(--ease, ease);
}
.news-modal__close:hover { background: var(--brand, #d80000); color: #fff; }
.news-modal__scroll { overflow-y: auto; padding: 42px 44px 44px; }
.news-modal__loading { padding: 40px; text-align: center; color: var(--ink-3, #888); }

.news-detail__title { margin: 14px 0 12px; font-size: 24px; line-height: 1.45; color: var(--ink, #1a1a1a); font-weight: 700; }
.news-detail__meta {
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  padding-bottom: 18px; margin-bottom: 22px;
  border-bottom: 1px dashed var(--line, #eee);
  font-size: 13px; color: var(--ink-4, #999);
}
.news-detail__cover { margin-bottom: 22px; border-radius: 10px; overflow: hidden; }
.news-detail__cover img { width: 100%; display: block; }
.news-detail__content { font-size: 15.5px; line-height: 1.9; color: var(--ink-2, #444); word-break: break-word; }
.news-detail__content img { max-width: 100%; height: auto; border-radius: 8px; }
.news-detail__content p { margin: 0 0 16px; }
.news-detail__content h1, .news-detail__content h2, .news-detail__content h3 { margin: 22px 0 12px; color: var(--ink, #1a1a1a); }
.news-detail__content a { color: var(--brand, #d80000); }
.news-detail__content ul, .news-detail__content ol { margin: 0 0 16px; padding-left: 22px; }
.news-detail__content li { margin: 6px 0; }
.news-detail__content blockquote {
  margin: 16px 0; padding: 10px 16px;
  border-left: 3px solid var(--brand, #d80000);
  background: var(--bg-soft, #f7f7f8); color: var(--ink-3, #666);
  border-radius: 0 8px 8px 0;
}
.news-detail__src {
  margin-top: 28px; padding-top: 18px;
  border-top: 1px dashed var(--line, #eee);
  font-size: 14px; color: var(--ink-3, #888);
}
.news-detail__src a { color: var(--brand, #d80000); text-decoration: none; }
.news-detail__src a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .news-modal { padding: 0; }
  .news-modal__dialog { width: 100%; height: 100vh; max-height: 100vh; border-radius: 0; }
  .news-modal__scroll { padding: 28px 20px 40px; }
  .news-detail__title { font-size: 20px; }
}

/* 联系我们 · 卡片与表单 */
.contact-cards { gap: 18px; }
.contact-card {
  display: flex; flex-direction: column;
  padding: 26px 24px !important;
  text-align: left;
  transition: .3s var(--ease);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.contact-ic {
  display: inline-grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  margin-bottom: 16px;
  background: var(--brand-soft); color: var(--brand);
  transition: .3s var(--ease);
}
.contact-card:hover .contact-ic { background: var(--brand); color: #fff; transform: scale(1.05); }
.contact-ic--tel { background: linear-gradient(135deg, #ffe6e6 0%, #ffd0d0 100%); color: var(--brand); }
.contact-ic--mail { background: linear-gradient(135deg, #e0f0ff 0%, #cce5ff 100%); color: #1e7fc4; }
.contact-ic--pin { background: linear-gradient(135deg, #e6fde6 0%, #c8f5c8 100%); color: #1e8e3c; }
.contact-ic--clock { background: linear-gradient(135deg, #fff3e0 0%, #ffe0b3 100%); color: #d97706; }
.contact-card h3 { font-size: 16px; margin-bottom: 8px; }
.contact-value {
  font-size: 15px; font-weight: 700; color: var(--ink);
  margin-bottom: 6px; line-height: 1.45; word-break: break-word;
}

.contact-split { grid-template-columns: 0.95fr 1.05fr; gap: 40px; align-items: flex-start; }
.contact-split__h { font-size: 22px; margin: 8px 0 20px; }

.contact-aud { display: grid; gap: 10px; }
.contact-aud li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: .3s var(--ease);
}
.contact-aud li:hover { border-color: var(--brand); box-shadow: var(--sh-sm); transform: translateX(3px); }
.contact-aud__ic {
  flex: none;
  display: grid; place-items: center;
  width: 36px; height: 36px;
  background: var(--brand-soft); color: var(--brand);
  border-radius: 10px;
}
.contact-aud div b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 2px; }
.contact-aud div span { font-size: 13px; color: var(--ink-3); }

.contact-dept { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px; }
.contact-dept__item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 14px;
  background: var(--bg-soft);
  border-radius: var(--r-sm);
  border-left: 3px solid var(--brand);
}
.contact-dept__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 18px; font-weight: 800;
  color: var(--brand); line-height: 1;
}
.contact-dept__item b { display: block; font-size: 14px; margin-bottom: 2px; }

/* 表单卡片 */
.form-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-lg);
}
.form-card__head {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 26px;
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand) 100%);
  color: #fff;
}
.form-card__ic {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 12px;
  color: #fff;
}
.form-card__head b { display: block; font-size: 18px; font-weight: 700; }
.form-card__head span { display: block; font-size: 12.5px; color: rgba(255, 255, 255, .75); margin-top: 2px; }
.form-card__head em { font-style: normal; color: #ffcc66; }
.form-card .form { padding: 24px 26px; margin-top: 0 !important; }

@media (max-width: 980px) {
  .contact-split { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .contact-cards { grid-template-columns: 1fr; }
  .contact-dept { grid-template-columns: 1fr; }
  .form-card .form { padding: 20px 18px; }
  .form-card__head { padding: 18px 20px; }
}

/* 特色清单 */
.feature-list { display: grid; gap: 16px; margin-top: 26px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list li::before {
  content: "✓"; flex: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand);
  font-size: 12px; font-weight: 800; display: grid; place-items: center; margin-top: 4px;
}
.feature-list b { color: var(--ink); }
.section-dark .feature-list li::before, .section-grad .feature-list li::before { background: rgba(255, 106, 85, .18); color: #ff8a76; }
.section-dark .feature-list b, .section-grad .feature-list b { color: #fff; }

/* 业务三板块卡（大卡） */
.biz-card {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: #fff; border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.biz-card:hover { transform: translateY(-7px); box-shadow: var(--sh-lg); }
.biz-card .biz-visual { background: var(--bg-soft); padding: 18px; }
.biz-card .biz-visual img { width: 100%; height: 210px; object-fit: contain; }
.biz-card .biz-body { padding: 26px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.biz-card .biz-tag {
  align-self: flex-start;
  font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--brand); background: var(--brand-soft);
  padding: 5px 12px; border-radius: var(--r-pill); margin-bottom: 14px;
}
.biz-card p { color: var(--ink-3); font-size: 15px; }
.biz-card .biz-foot { margin-top: auto; padding-top: 20px; }

/* 模式流程（横向步骤） */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: flow; }
.flow-step { position: relative; padding-top: 26px; border-top: 2px solid var(--line); }
.flow > .flow-step::before {
  counter-increment: flow; content: "0" counter(flow);
  position: absolute; top: -13px; left: 0;
  font-family: var(--font-num); font-size: 13px; font-weight: 800; letter-spacing: .06em;
  color: #fff; background: var(--brand);
  padding: 2px 9px; border-radius: var(--r-pill);
}
.flow-step h4 { margin-bottom: 8px; }
.flow-step p { font-size: 14.5px; color: var(--ink-3); }
.section-dark .flow-step, .section-grad .flow-step { border-color: rgba(255, 255, 255, .14); }
.section-dark .flow-step p, .section-grad .flow-step p { color: rgba(255, 255, 255, .6); }

/* ------------------------------------------------------------------
   11. 合作伙伴 Logo 墙
   ------------------------------------------------------------------ */
.logo-wall { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.logo-wall li { background: #fff; display: grid; place-items: center; padding: 22px 18px; min-height: 104px; }
.logo-wall li img { max-height: 42px; width: auto; max-width: 100%; filter: grayscale(1); opacity: .62; transition: .35s var(--ease); }
.logo-wall li:hover img { filter: none; opacity: 1; transform: scale(1.06); }

/* 无缝滚动行 */
.marquee { position: relative; overflow: hidden; padding: 6px 0; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 110px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0)); }
.marquee::after { right: 0; background: linear-gradient(270deg, #fff, rgba(255, 255, 255, 0)); }
.marquee-track { display: flex; gap: 54px; width: max-content; animation: scroll-x 46s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { height: 40px; width: auto; filter: grayscale(1); opacity: .55; transition: .3s var(--ease); }
.marquee-track img:hover { filter: none; opacity: 1; }
@keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ------------------------------------------------------------------
   12. 时间线 / 政策列表
   ------------------------------------------------------------------ */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 26px 0; }
.timeline li::before {
  content: ""; position: absolute; left: -30px; top: 9px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.timeline time {
  display: block; font-family: var(--font-num); font-size: 13px; font-weight: 800;
  letter-spacing: .06em; color: var(--brand); margin-bottom: 4px;
}
.timeline h4 { font-size: 16px; margin-bottom: 4px; }
.timeline p { font-size: 14.5px; color: var(--ink-3); margin: 0; }

.policy-title,
.layout-title { white-space: nowrap; }

/* 政策卡（按年份分组的紧凑列表） */
.policy-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: stretch;
}
.policy-aside {
  position: relative;
  display: flex; flex-direction: column;
  padding: 30px 28px;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, #1a1f2e 0%, #2a1414 60%, #3a0a0a 100%);
  color: #fff;
  overflow: hidden;
  box-shadow: var(--sh-lg);
}
.policy-aside::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(420px 280px at 90% 0%, rgba(216, 0, 0, .35), transparent 70%),
    radial-gradient(380px 260px at 0% 100%, rgba(255, 90, 69, .18), transparent 70%);
  pointer-events: none;
}
.policy-aside > * { position: relative; z-index: 1; }
.policy-aside__head { margin-bottom: 24px; }
.policy-aside__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: #ff6a55; margin-bottom: 14px;
}
.policy-aside__eyebrow::before { content: ""; width: 22px; height: 2px; background: #ff6a55; }
.policy-aside h3 {
  color: #fff; font-size: clamp(22px, 2vw, 28px); line-height: 1.25; margin-bottom: 12px;
  letter-spacing: -.01em;
}
.policy-aside p { color: rgba(255, 255, 255, .68); font-size: 14px; line-height: 1.7; margin: 0; }

.policy-timeline {
  position: relative;
  display: flex; flex-direction: column;
  gap: 0;
  padding-left: 26px;
  margin: 8px 0 24px;
}
.policy-timeline::before {
  content: ""; position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 106, 85, .6) 0%, rgba(255, 106, 85, .15) 100%);
}
.policy-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "year tag" "year desc";
  grid-column-gap: 14px;
  align-items: center;
  padding: 12px 0 14px;
}
.policy-timeline li::before {
  content: "";
  position: absolute; left: -26px; top: 50%;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand);
  transform: translateY(-50%);
  box-shadow: 0 0 0 4px rgba(216, 0, 0, .2);
}
.policy-timeline .pt-year {
  grid-area: year;
  font-family: var(--font-num);
  font-size: 22px; font-weight: 800;
  color: #fff; line-height: 1;
  letter-spacing: -.01em;
}
.policy-timeline .pt-tag {
  grid-area: tag;
  font-size: 13px; font-weight: 700;
  color: #ff8a76;
  letter-spacing: .04em;
}
.policy-timeline .pt-desc {
  grid-area: desc;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .55);
  margin-top: 2px;
}

.policy-aside__foot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.policy-aside__stat b {
  display: block;
  font-family: var(--font-num);
  font-size: 26px; font-weight: 800;
  color: #fff; line-height: 1;
}
.policy-aside__stat b i { font-style: normal; font-size: .42em; color: #ff8a76; margin-left: 3px; }
.policy-aside__stat span { font-size: 12.5px; color: rgba(255, 255, 255, .55); margin-top: 6px; display: block; }

.policy-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-content: start; }
.policy-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-radius: var(--r-sm);
  background: #fff; border: 1px solid var(--line);
  transition: .3s var(--ease);
}
.policy-item:hover { border-color: var(--brand); box-shadow: var(--sh-sm); transform: translateX(3px); }
.policy-item .p-date {
  flex: none; font-family: var(--font-num); font-size: 12.5px; font-weight: 800;
  color: var(--brand); background: var(--brand-soft);
  padding: 4px 9px; border-radius: 6px; letter-spacing: .03em;
  align-self: flex-start;
}
.policy-item .p-text { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.policy-item .p-text b { display: block; color: var(--ink); font-size: 14px; }

/* ------------------------------------------------------------------
   13. 表格 / 表单 / 手风琴
   ------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
th, td { padding: 15px 20px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--bg-soft); color: var(--ink); font-weight: 700; font-size: 14.5px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--brand-tint); }

.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--brand); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px;
  font-family: inherit; font-size: 15px; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: .25s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(216, 0, 0, .09);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--brand); background: var(--brand-tint); }
.field .err { font-size: 13px; color: var(--brand); display: none; }
.field.has-error .err { display: block; }
/* 极简蜜罐字段（防机器人），对用户不可见 */
.hp-field { position: absolute; left: -9999px; opacity: 0; }
.form-note { font-size: 13.5px; color: var(--ink-4); }
.form-success {
  display: none; gap: 12px; align-items: flex-start;
  padding: 16px 20px; border-radius: var(--r-sm);
  background: #eefaf1; border: 1px solid #bfe6c9; color: #1c7c3c; font-size: 14.5px;
}
.form-success.is-visible { display: flex; }

/* 手风琴 FAQ */
.acc { border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.acc-item + .acc-item { border-top: 1px solid var(--line); }
.acc-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px 24px; border: 0; background: transparent; cursor: pointer;
  font-family: inherit; font-size: 16px; font-weight: 600; color: var(--ink); text-align: left;
}
.acc-q::after { content: "+"; flex: none; font-size: 22px; color: var(--brand); transition: transform .3s var(--ease); line-height: 1; }
.acc-item.is-open .acc-q::after { transform: rotate(45deg); }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .38s var(--ease); }
.acc-a-inner { padding: 0 24px 22px; color: var(--ink-3); font-size: 15px; }

/* 标签块 */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; border-radius: var(--r-pill);
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 14px; color: var(--ink-2);
}
.chip b { color: var(--ink); }
.chip-brand { background: var(--brand-tint); border-color: #ffd9d6; color: var(--brand-dark); }

/* 选项卡 Tab */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.tab-btn {
  padding: 11px 22px; border-radius: var(--r-pill); cursor: pointer;
  border: 1px solid var(--line); background: #fff;
  font-family: inherit; font-size: 15px; font-weight: 600; color: var(--ink-2);
  transition: .28s var(--ease);
}
.tab-btn:hover { border-color: var(--brand); color: var(--brand); }
.tab-btn.is-active { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.section-dark .tab-btn, .section-grad .tab-btn { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .16); color: rgba(255, 255, 255, .78); }
.section-dark .tab-btn.is-active, .section-grad .tab-btn.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 高亮信息条 */
.callout {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
  padding: 32px 36px; border-radius: var(--r-lg);
  background: var(--grad-brand); color: #fff; box-shadow: var(--sh-brand);
}
.callout h3 { color: #fff; margin-bottom: 6px; }
.callout p { color: rgba(255, 255, 255, .85); margin: 0; font-size: 15px; }
.callout .btn-light { flex: none; }

/* 联系信息条 */
.info-list { display: grid; gap: 22px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item .ic {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); font-size: 18px;
}
.info-item b { display: block; color: var(--ink); font-size: 15px; }
.info-item span, .info-item a { font-size: 15px; color: var(--ink-3); }
.section-dark .info-item b, .section-grad .info-item b { color: #fff; }
.section-dark .info-item span, .section-grad .info-item span { color: rgba(255, 255, 255, .62); }
.section-dark .info-item .ic, .section-grad .info-item .ic { background: rgba(255, 255, 255, .08); color: #ff8a76; }

/* 地图占位 */
.map-embed {
  position: relative; min-height: 320px; height: 100%;
  border-radius: var(--r-md); overflow: hidden;
  background: var(--bg-soft) center/cover no-repeat;
  border: 1px solid var(--line);
  display: grid; place-items: center;
}
.map-embed .map-pin {
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(6px);
  border-radius: var(--r-md); padding: 18px 22px; box-shadow: var(--sh-md); text-align: center;
}
.map-embed .map-pin b { display: block; color: var(--ink); }
.map-embed .map-pin span { font-size: 13.5px; color: var(--ink-3); }

/* ------------------------------------------------------------------
   14. 页脚
   ------------------------------------------------------------------ */
.site-footer { background: var(--bg-darker); color: rgba(255, 255, 255, .58); padding: 66px 0 0; font-size: 14.5px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 48px; }
.footer-brand .logo img { height: 44px; }
.footer-brand .logo-text b { color: #fff; }
.footer-brand .logo-en { color: rgba(255, 255, 255, .45); }
.footer-brand p { margin-top: 20px; max-width: 340px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--brand); }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: rgba(255, 255, 255, .58); }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; line-height: 1.65; }
.footer-contact li .ic { color: var(--brand-light); flex: none; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between;
  font-size: 13.5px; color: rgba(255, 255, 255, .42);
}
.footer-bottom a { color: rgba(255, 255, 255, .42); }
.footer-bottom a:hover { color: #fff; }

/* 回到顶部 */
.to-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--brand); color: #fff; font-size: 17px;
  box-shadow: var(--sh-brand);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand-dark); }

/* ------------------------------------------------------------------
   15. 内页横幅
   ------------------------------------------------------------------ */
.page-banner {
  position: relative; padding: calc(var(--header-h) + 64px) 0 64px;
  background: var(--grad-dark); color: #fff; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(760px 400px at 80% 0%, rgba(216, 0, 0, .38), transparent 68%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; margin-bottom: 14px; font-size: clamp(27px, 3.2vw, 42px); }
.page-banner p { color: rgba(255, 255, 255, .72); max-width: 720px; margin: 0; font-size: 16.5px; }
.page-banner .hero-crumb { margin-bottom: 22px; }

/* 侧边栏导航（内页） */
.side-nav { position: sticky; top: calc(var(--header-h) + 24px); background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.side-nav h4 { padding: 20px 24px; margin: 0; background: var(--brand); color: #fff; font-size: 16px; }
.side-nav a { display: block; padding: 14px 24px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); font-size: 15px; }
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover { background: var(--brand-tint); color: var(--brand); }
.side-nav a.is-active { background: var(--brand-tint); color: var(--brand); font-weight: 600; box-shadow: inset 3px 0 0 var(--brand); }

/* ------------------------------------------------------------------
   16. 动效与响应式
   ------------------------------------------------------------------ */
/* 滚动进场动效：仅在 JS 可用时隐藏初始状态，
   万一脚本未加载/报错，内容依然完整可见（对 SEO 与降级更友好） */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal][data-delay="1"] { transition-delay: .09s; }
.js [data-reveal][data-delay="2"] { transition-delay: .18s; }
.js [data-reveal][data-delay="3"] { transition-delay: .27s; }
.js [data-reveal][data-delay="4"] { transition-delay: .36s; }
.js [data-reveal][data-delay="5"] { transition-delay: .45s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* 平板 */
@media (max-width: 1100px) {
  .nav, .header-tel { display: none; }
  .nav-toggle { display: flex; }
  .logo-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow, .flow[style] { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; row-gap: 34px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .split { gap: 40px; }
  .logo-wall li { min-height: 92px; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-visual { grid-column: 1 / -1; }
  .about-visual img { max-height: 360px; }
  .policy-layout { grid-template-columns: 1fr; }
  .policy-aside { order: 2; }
  .policy-grid { order: 1; }
}

/* 手机 */
@media (max-width: 820px) {
  :root { --header-h: 66px; }
  body { font-size: 15.5px; }
  .section { padding: 62px 0; }
  .section-lg { padding: 74px 0; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .split, .split-wide, .split-narrow { grid-template-columns: 1fr; gap: 34px; }
  .hero { min-height: 0; padding: calc(var(--header-h) + 52px) 0 62px; }
  .hero-inner { text-align: left; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 40px; }
  .hero-slogan { gap: 8px 20px; margin-top: 32px; padding-top: 24px; font-size: 14px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .stat-item { padding: 0 18px; }
  .stat-item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .logo-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .logo-wall li { min-height: 78px; padding: 16px 10px; }
  .logo-wall li img { max-height: 32px; }
  .policy-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .flow, .flow[style] { grid-template-columns: 1fr !important; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual img { max-height: 280px; }
  .callout { padding: 26px 24px; }
  .split-media.shadow-brand::after { display: none; }
  .split-badge { right: 12px; bottom: -14px; padding: 14px 18px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding-bottom: 34px; }
  .site-footer { padding-top: 50px; }
  .to-top { right: 16px; bottom: 18px; }
  .marquee-track { gap: 34px; }
  .marquee-track img { height: 32px; }
  .side-nav { position: static; margin-bottom: 30px; }
  .section-lg > .container > .split { gap: 30px; }
}

/* H5 移动端深度优化（≤820px） */
@media (max-width: 820px) {
  /* Hero 首屏 */
  .hero h1 { font-size: clamp(26px, 7vw, 36px); }
  .hero-sub { font-size: 14.5px; line-height: 1.7; }
  .hero-eyebrow { font-size: 12px; }
  .btn-row { flex-direction: column; gap: 12px; }
  .btn-row .btn { width: 100%; }
  .hero-stat { padding: 22px 16px; }
  .hero-slogan { flex-wrap: wrap; justify-content: center; }

  /* 关于我们 */
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-visual img { max-height: 240px; }
  .about-qual { padding: 18px !important; }
  .about-qual__num { font-size: 22px !important; }
  .about-mini__b { font-size: 24px !important; }

  /* 政策机遇 */
  .policy-layout { gap: 24px; }
  .policy-aside { padding: 26px 22px; }
  .policy-aside h3 { font-size: 22px; }
  .policy-grid { grid-template-columns: 1fr; gap: 10px; }
  .policy-item { padding: 14px 14px; }

  /* 数据看板 */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .stat-item { padding: 0 12px; border-left: 0; }
  .stat-item:nth-child(odd) { border-left: 0; }
  .stat-item .stat-ic { width: 38px; height: 38px; }
  .stat-item b { font-size: clamp(40px, 11vw, 54px); }

  /* 智慧电梯 */
  .product-layout, .product-layout--rev { grid-template-columns: 1fr; gap: 24px; }
  .product-visual { padding: 24px 18px; min-height: 220px; }
  .product-visual__img { height: 140px; }
  .product-visual--screen .product-visual__img { max-height: 180px; }
  .product-points { grid-template-columns: 1fr; gap: 10px; }
  .product-point { padding: 14px 14px; }

  /* 三大业务板块 */
  .biz-page { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .biz-page--rev .biz-media { order: 1; }
  .biz-page--rev .biz-body { order: 2; }
  .biz-media__img { aspect-ratio: 16/9; }
  .biz-media__num { font-size: 44px; }
  .biz-points { grid-template-columns: 1fr; }
  .biz-body h3 { font-size: 22px; }

  /* 全托管模式 */
  .flow-layout { grid-template-columns: 1fr; gap: 24px; }
  .flow-aside { padding: 26px 20px; }
  .flow-aside h3 { font-size: 22px; }
  .flow-compare__row { flex-wrap: wrap; gap: 8px; }
  .flow-steps .flow-step { grid-template-columns: auto 1fr; grid-template-areas: "num body" "ic body"; gap: 8px 12px; padding: 16px 14px; }
  .flow-steps .flow-ic { display: none; }
  .flow-steps .flow-num { font-size: 24px; }

  /* 全国布局 */
  .layout-grid { grid-template-columns: 1fr; gap: 20px; }
  .layout-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .layout-stat { padding: 18px 14px; }
  .layout-stat b { font-size: clamp(28px, 9vw, 38px); }
  .layout-cities ul { gap: 6px 10px; }
  .layout-cities li { font-size: 12.5px; padding: 2px 8px; }
  .layout-foot { flex-direction: column; align-items: flex-start; gap: 16px; padding: 22px 20px; }

  /* 联系我们 */
  .contact-cards { grid-template-columns: 1fr; gap: 12px; }
  .contact-card { padding: 20px 18px !important; }
  .contact-split { gap: 28px; }
  .contact-dept { grid-template-columns: 1fr; }
  .form-card .form { padding: 20px 16px; }
  .form-card__head { padding: 16px 18px; }
  .form-card__head b { font-size: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .form input, .form textarea, .form select { min-height: 44px; font-size: 15px; }

  /* 页脚 */
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* 通用 */
  .sec-head h2 { font-size: clamp(22px, 6vw, 28px); }
  .sec-head p { font-size: 14.5px; }
  .container, .container-wide { padding: 0 18px; }
}

/* 小手机（≤560px） */
@media (max-width: 560px) {
  .hero h1 { font-size: clamp(24px, 8vw, 32px); }
  .hero-stats { grid-template-columns: 1fr; gap: 12px; }
  .hero-stat { padding: 18px 14px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { padding: 14px 0; border-left: 0; }
  .stat-item .stat-ic { width: 36px; height: 36px; }
  .stat-item b { font-size: clamp(36px, 13vw, 48px); }
  .layout-stats { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .biz-media__img { aspect-ratio: 4/3; }
  .policy-aside { padding: 22px 18px; }
  .flow-aside { padding: 22px 18px; }
}

/* 打印 */
@media print {
  .site-header, .mobile-nav, .to-top, .site-footer, .marquee { display: none !important; }
  .hero, .page-banner { background: none !important; color: #000 !important; padding: 0 0 20px; }
  .hero h1, .page-banner h1, .hero-sub, .page-banner p { color: #000 !important; }
  .hero-bg, .hero-grid, .page-banner::after { display: none; }
  body { font-size: 12pt; }
}

/* ============ 隐藏所有滚动条（不影响滚动功能） ============ */
* { scrollbar-width: none; -ms-overflow-style: none; }
*::-webkit-scrollbar { width: 0; height: 0; display: none; }
