/* ==========================================================================
   美迪数科 · 职业院校一站式产教融合服务商  官网样式
   品牌色取自 logo：深蓝 #184884 / 正红 #D81824
   ========================================================================== */

:root {
  --blue-900: #081F3D;
  --blue-800: #0F3563;
  --blue-700: #184884;
  --blue-600: #1D538E;
  --blue-500: #2A6DB8;
  --blue-400: #4A8AD0;
  --blue-200: #A9C6E6;
  --blue-100: #DCE9F7;
  --blue-50: #F2F7FC;

  --red-600: #B7141F;
  --red-500: #D81824;
  --red-400: #E8454F;
  --red-50: #FDEEEF;

  --ink-900: #0C1A2A;
  --ink-700: #24384D;
  --ink-500: #5A7186;
  --ink-400: #8095A8;
  --ink-300: #A9B8C6;

  --line: #E2EAF3;
  --line-soft: #EFF4F9;
  --bg: #FFFFFF;
  --bg-soft: #F6FAFD;

  --grad-blue: linear-gradient(135deg, #184884 0%, #2A6DB8 100%);
  --grad-blue-deep: linear-gradient(150deg, #081F3D 0%, #0F3563 45%, #184884 100%);
  --grad-red: linear-gradient(135deg, #D81824 0%, #E8454F 100%);

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --sh-xs: 0 1px 2px rgba(12, 26, 42, .06);
  --sh-sm: 0 4px 14px rgba(24, 72, 132, .07);
  --sh-md: 0 12px 32px rgba(24, 72, 132, .10);
  --sh-lg: 0 22px 60px rgba(8, 31, 61, .14);

  --container: 1200px;
  --header-h: 156px;   /* 页头总高（32 信息条 + 76 主头部 + 48 导航条）；页头不固定，仅移动端抽屉定位用 */

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Source Han Sans SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--blue-500); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink-900); font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
p { margin: 0; }

::selection { background: var(--blue-100); color: var(--blue-900); }

/* ------------------------------ 布局 ------------------------------ */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--soft-top { background: linear-gradient(180deg, var(--bg-soft) 0%, #FFFFFF 100%); }

/* ------------------------------ 文字与标题 ------------------------------ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em;
  color: var(--red-500); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--red-500); border-radius: 2px; }
.eyebrow--center { justify-content: center; }
.eyebrow--light { color: #FF9BA2; }
.eyebrow--light::before { background: #FF9BA2; }

.h-xl { font-size: clamp(30px, 4.4vw, 52px); line-height: 1.18; letter-spacing: -.02em; }
.h-lg { font-size: clamp(26px, 3.1vw, 38px); line-height: 1.24; }
.h-md { font-size: clamp(20px, 2vw, 24px); }
.h-sm { font-size: 18px; }

.lead { font-size: 17px; color: var(--ink-500); line-height: 1.85; }
.muted { color: var(--ink-500); }
.small { font-size: 14px; }
.center { text-align: center; }
.mark-blue { color: var(--blue-700); }
.mark-red { color: var(--red-500); }
.underline-red { position: relative; white-space: nowrap; }
.underline-red::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .28em;
  background: rgba(216, 24, 36, .16); border-radius: 3px; z-index: -1;
}

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head .lead { margin-top: 16px; }
.section-head--light .h-lg { color: #fff; }
.section-head--light .lead { color: rgba(255, 255, 255, .76); }

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; font-family: inherit; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn--primary { background: var(--grad-blue); color: #fff; box-shadow: 0 10px 24px rgba(24, 72, 132, .26); }
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(24, 72, 132, .34); }
.btn--red { background: var(--grad-red); color: #fff; box-shadow: 0 10px 24px rgba(216, 24, 36, .24); }
.btn--red:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(216, 24, 36, .32); }
.btn--ghost { background: #fff; color: var(--blue-700); border-color: var(--line); box-shadow: var(--sh-xs); }
.btn--ghost:hover { border-color: var(--blue-400); color: var(--blue-700); transform: translateY(-2px); box-shadow: var(--sh-sm); }
.btn--light { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .32); backdrop-filter: blur(6px); }
.btn--light:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.btn--sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }

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

/* ------------------------- 页头：信息条 / 主头部 / 导航条 ------------------------- */
/* 页头随页面滚动（不固定），避免遮挡内容 */
.header {
  position: relative; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--line-soft);
}

/* ① 顶部信息条 */
.header__top {
  height: 32px; background: #F4F8FC; border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.header__top-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 32px; min-width: 0; }
.header__welcome { font-size: 12.8px; color: var(--ink-400); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.header__quick { display: flex; flex: none; align-items: center; white-space: nowrap; }
.header__quick li + li { border-left: 1px solid var(--line); }
.header__quick a { display: block; padding: 0 13px; font-size: 12.8px; color: var(--ink-500); transition: color .2s ease; }
.header__quick a:hover { color: var(--blue-700); }

/* ② 主头部：logo + 搜索 + 专线 */
.header__main { background: #fff; }
.header__main-inner { display: flex; align-items: center; gap: 26px; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand__logo { height: 42px; width: auto; }
.brand__divider { width: 1px; height: 30px; background: var(--line); }
.brand__name { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name b { font-size: 19px; color: var(--blue-700); letter-spacing: .06em; }
.brand__name span { font-size: 11px; color: var(--ink-400); letter-spacing: .04em; }

/* 站内搜索 */
.search { position: relative; display: flex; flex: 1 1 auto; max-width: 500px; margin: 0 auto; height: 44px; }
.search__input {
  flex: 1 1 auto; min-width: 0; height: 100%; padding: 0 16px; font-size: 14px; font-family: inherit;
  color: var(--ink-900); background: #fff; border: 1.5px solid var(--blue-700);
  border-right: none; border-radius: 6px 0 0 6px; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search__input::placeholder { color: var(--ink-300); }
.search__input:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(42, 109, 184, .12); }
.search__btn {
  flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 0 22px; border: none;
  cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 600; color: #fff;
  background: var(--grad-blue); border-radius: 0 6px 6px 0; transition: filter .2s ease;
}
.search__btn svg { width: 16px; height: 16px; }
.search__btn:hover { filter: brightness(1.08); }
.search__panel {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 130;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--sh-lg); overflow: hidden;
}
.search__panel[hidden] { display: none; }
.search__item { display: block; padding: 11px 16px; border-bottom: 1px solid var(--line-soft); transition: background .18s ease; }
.search__item:last-child { border-bottom: none; }
.search__item:hover, .search__item.is-active { background: var(--blue-50); }
.search__item b { display: block; font-size: 14px; font-weight: 600; color: var(--ink-900); }
.search__item b em { font-style: normal; color: var(--red-500); }
.search__item span { display: block; margin-top: 3px; font-size: 12.2px; color: var(--ink-400); }
.search__all { display: block; padding: 11px 16px; background: var(--blue-50); font-size: 13px; font-weight: 600; color: var(--blue-700); }
.search__all:hover { background: var(--blue-100); }
.search__empty { padding: 15px 16px; font-size: 13px; color: var(--ink-400); }

/* 服务专线 */
.header__tel { flex: none; display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; }
.header__tel span { font-size: 12.2px; color: var(--ink-400); }
.header__tel b { font-size: 23px; font-weight: 800; color: var(--blue-700); letter-spacing: .01em; transition: color .2s ease; }
.header__tel:hover b { color: var(--red-500); }

/* ③ 主导航条 */
.header__nav { height: 48px; background: linear-gradient(90deg, #123A6C 0%, #184884 48%, #1F5C9E 100%); }
.header__nav .container { display: flex; height: 48px; }
.nav { margin: 0; }
.nav__list { display: flex; flex-wrap: nowrap; align-items: stretch; height: 48px; width: 100%; justify-content: space-between; }
.nav__item { display: flex; flex: none; }
.nav__link {
  display: flex; align-items: center; padding: 0 17px; font-size: 15px; font-weight: 500;
  color: rgba(255, 255, 255, .88); position: relative; white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}
.nav__link:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav__link.is-active { color: #fff; font-weight: 700; background: rgba(255, 255, 255, .16); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--red-500);
}
.header__cta { display: none; }

/* 移动端抽屉里的联系入口（桌面隐藏） */
.nav__extra { display: none; }

/* 导航下拉菜单 */
.nav__item { position: relative; }
.nav__link .caret {
  display: inline-block; width: 6px; height: 6px; margin-left: 7px; vertical-align: 2px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg); opacity: .55; transition: transform .25s ease, opacity .25s ease;
}
.nav__item.has-menu:hover .caret { transform: rotate(-135deg); opacity: 1; }
.nav__menu {
  position: absolute; top: 100%; left: 50%; min-width: 318px; padding: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-lg);
  display: grid; gap: 2px; z-index: 120;
  opacity: 0; visibility: hidden; transform: translate(-50%, 10px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
}
.nav__menu::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav__item.has-menu:hover .nav__menu,
.nav__item.has-menu:focus-within .nav__menu { opacity: 1; visibility: visible; transform: translate(-50%, 4px); }
.nav__menu-link { display: block; padding: 11px 14px; border-radius: 10px; transition: background .2s ease; }
.nav__menu-link b { display: block; font-size: 14.5px; font-weight: 700; color: var(--ink-900); }
.nav__menu-link span { display: block; font-size: 12.2px; color: var(--ink-400); line-height: 1.55; margin-top: 2px; }
.nav__menu-link:hover { background: var(--blue-50); }
.nav__menu-link:hover b, .nav__menu-link:hover span { color: var(--blue-700); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; flex: none;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--blue-700); border-radius: 2px; position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--blue-700); border-radius: 2px;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ------------------------------ 首页 Hero ------------------------------ */
.hero {
  position: relative; padding: 60px 0 84px; overflow: hidden;
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(42, 109, 184, .16), transparent 62%),
    radial-gradient(700px 420px at 4% 8%, rgba(216, 24, 36, .07), transparent 60%),
    linear-gradient(180deg, #F7FBFF 0%, #FFFFFF 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(24, 72, 132, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 72, 132, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 74%);
  mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 74%);
  pointer-events: none;
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13.5px; font-weight: 600; color: var(--blue-700); box-shadow: var(--sh-xs); margin-bottom: 22px;
}
.hero-badge b {
  background: var(--grad-blue); color: #fff; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
}
.hero h1 { margin-bottom: 20px; }
.hero .lead { max-width: 560px; font-size: 17.5px; }
.hero__actions { margin-top: 34px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.hero__trust li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-500); }
.hero__trust svg { width: 16px; height: 16px; color: var(--blue-500); flex: none; }

/* Hero 右侧可视化卡片 */
.hero-visual { position: relative; padding: 44px 0; }
.hero-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl);
  box-shadow: var(--sh-lg); padding: 26px; z-index: 2;
}
.hero-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.hero-card__title { font-size: 15px; font-weight: 700; color: var(--ink-900); }
.hero-card__tag {
  font-size: 12px; font-weight: 700; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); padding: 4px 10px; border-radius: 999px;
}
.chip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.chip {
  border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 10px; text-align: center;
  background: linear-gradient(180deg, #FFFFFF, #F8FBFE);
}
.chip__icon {
  width: 34px; height: 34px; margin: 0 auto 8px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; background: var(--blue-50); color: var(--blue-600);
}
.chip__icon svg { width: 18px; height: 18px; }
.chip b { display: block; font-size: 13px; color: var(--ink-900); font-weight: 700; }
.chip span { font-size: 11px; color: var(--ink-400); }
.hero-card__foot {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  display: flex; align-items: center; gap: 12px;
}
.hero-card__foot .bar { flex: 1; height: 8px; border-radius: 999px; background: var(--blue-50); overflow: hidden; }
.hero-card__foot .bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--grad-blue); transition: width 1.4s cubic-bezier(.2,.7,.2,1); }
.hero-card__foot span { font-size: 12px; color: var(--ink-400); white-space: nowrap; }

.float-card {
  position: absolute; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--sh-md); padding: 12px 16px; display: flex; align-items: center; gap: 10px; z-index: 3;
  font-size: 13px; font-weight: 600; color: var(--ink-900);
}
.float-card svg { width: 18px; height: 18px; }
.float-card--a { top: 0; left: -20px; animation: floaty 5s ease-in-out infinite; }
.float-card--b { bottom: 0; right: -20px; animation: floaty 6.5s ease-in-out infinite .8s; }
.float-card small { display: block; font-size: 11px; color: var(--ink-400); font-weight: 500; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ------------------------------ 数据条 ------------------------------ */
.stats {
  background: var(--grad-blue-deep); color: #fff; border-radius: var(--r-lg);
  padding: 34px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  position: relative; overflow: hidden;
}
.stats::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(216, 24, 36, .34), transparent 68%);
}
.stat { text-align: center; position: relative; z-index: 1; padding: 6px 8px; }
.stat b { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.stat b em { font-style: normal; font-size: .52em; font-weight: 700; margin-left: 2px; }
.stat > span { display: block; margin-top: 8px; font-size: 13.5px; color: rgba(255, 255, 255, .74); }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, .14); }
.stats__note { text-align: center; font-size: 12.5px; color: var(--ink-400); margin-top: 14px; }

/* ------------------------------ 卡片 ------------------------------ */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 26px;
  transition: transform .28s cubic-bezier(.2,.7,.2,1), box-shadow .28s ease, border-color .28s ease;
  position: relative; overflow: hidden; display: flex; flex-direction: column;
}
.card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-blue); transform: scaleX(0); transform-origin: left; transition: transform .32s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); border-color: var(--blue-200); }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 52px; height: 52px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center;
  background: var(--blue-50); color: var(--blue-600); margin-bottom: 18px; border: 1px solid var(--blue-100);
  transition: background .28s ease, color .28s ease;
}
.card__icon svg { width: 25px; height: 25px; }
.card:hover .card__icon { background: var(--grad-blue); color: #fff; border-color: transparent; }
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-500); line-height: 1.8; }
.card__list { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.card__list li {
  font-size: 12.5px; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 999px; padding: 4px 11px;
}
.card__link {
  margin-top: auto; padding-top: 18px; font-size: 14px; font-weight: 700; color: var(--blue-700);
  display: inline-flex; align-items: center; gap: 6px;
}
.card__link svg { width: 15px; height: 15px; transition: transform .25s ease; }
.card:hover .card__link svg { transform: translateX(4px); }

.card--plain::before { display: none; }
.card--flat { box-shadow: none; }
.card--accent { background: linear-gradient(180deg, #FFFFFF 0%, var(--blue-50) 100%); }

/* 图标列表 */
.tick-list { display: grid; gap: 12px; }
.tick-list li { display: flex; gap: 11px; font-size: 14.5px; color: var(--ink-700); line-height: 1.7; }
.tick-list li svg { width: 19px; height: 19px; flex: none; color: var(--red-500); margin-top: 3px; }
.tick-list--blue li svg { color: var(--blue-600); }
.tick-list--light li { color: rgba(255, 255, 255, .82); }
.tick-list--light li svg { color: #7FD1A6; }

/* ------------------------------ 痛点 / 双栏 ------------------------------ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--wide { grid-template-columns: 1.15fr .85fr; }
.split__media { position: relative; }

.pain { display: grid; gap: 14px; }
.pain__item {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 18px 20px; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.pain__item:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); transform: translateX(4px); }
.pain__no {
  flex: none; width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: var(--red-500); background: var(--red-50); border: 1px solid rgba(216, 24, 36, .14);
}
.pain__item b { display: block; font-size: 15.5px; color: var(--ink-900); margin-bottom: 3px; }
.pain__item p { font-size: 13.8px; color: var(--ink-500); line-height: 1.7; }

/* ------------------------------ 深色区 ------------------------------ */
.dark-band { background: var(--grad-blue-deep); color: #fff; position: relative; overflow: hidden; }
.dark-band::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(circle at 70% 0%, #000, transparent 70%);
  mask-image: radial-gradient(circle at 70% 0%, #000, transparent 70%);
}
.dark-band .container { position: relative; z-index: 1; }
.dark-band h1, .dark-band h2, .dark-band h3 { color: #fff; }

.glass-card {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-lg); padding: 26px 24px; transition: background .28s ease, transform .28s ease, border-color .28s ease;
}
.glass-card:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .3); transform: translateY(-5px); }
.glass-card__icon {
  width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .14); color: #fff; margin-bottom: 16px;
}
.glass-card__icon svg { width: 23px; height: 23px; }
.glass-card h3 { font-size: 17.5px; margin-bottom: 9px; }
.glass-card p { font-size: 14px; color: rgba(255, 255, 255, .72); line-height: 1.78; }
.glass-card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 15px; }
.glass-card__tags li {
  font-size: 12px; color: rgba(255, 255, 255, .88); background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 999px; padding: 3px 10px;
}

/* ------------------------------ 流程步骤 ------------------------------ */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step__no {
  width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--blue-100); color: var(--blue-700); font-weight: 800; font-size: 15px;
  box-shadow: var(--sh-xs); position: relative; z-index: 2;
}
.step__line { position: absolute; top: 27px; left: 44px; right: -16px; height: 2px; background: var(--line); }
.step:last-child .step__line { display: none; }
.step b { display: block; margin: 14px 0 6px; font-size: 15.5px; color: var(--ink-900); }
.step p { font-size: 13.5px; color: var(--ink-500); line-height: 1.7; }
.step:hover .step__no { background: var(--grad-blue); color: #fff; border-color: transparent; }

/* ------------------------------ 专业方向（手风琴/详情块） ------------------------------ */
.major-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.major-nav a {
  padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14px; font-weight: 600; color: var(--ink-700);
}
.major-nav a:hover { border-color: var(--blue-400); color: var(--blue-700); background: var(--blue-50); }

.major {
  border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; overflow: hidden;
  margin-bottom: 22px; scroll-margin-top: 100px;
}
.major__head { display: flex; align-items: center; gap: 18px; padding: 24px 28px; border-bottom: 1px solid var(--line-soft); background: linear-gradient(180deg, #FFFFFF, #FAFCFE); }
.major__no {
  flex: none; width: 46px; height: 46px; border-radius: 13px; background: var(--grad-blue); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px;
}
.major__head h3 { font-size: 21px; }
.major__head .sub { font-size: 13.5px; color: var(--ink-400); margin-top: 3px; }
.major__head .badge { margin-left: auto; font-size: 12.5px; color: var(--blue-700); background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: 999px; padding: 5px 13px; font-weight: 700; }
.major__body { padding: 26px 28px 8px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 34px; }
.major__row { padding-bottom: 20px; }
.major__row dt {
  font-size: 12.5px; font-weight: 800; letter-spacing: .1em; color: var(--red-500);
  text-transform: uppercase; margin-bottom: 9px;
}
.major__row dd { margin: 0; font-size: 14.5px; color: var(--ink-700); line-height: 1.85; }
.major__row .tags { display: flex; flex-wrap: wrap; gap: 7px; }
.major__row .tags span {
  font-size: 12.5px; color: var(--blue-700); background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: 999px; padding: 4px 11px;
}
.major__row--full { grid-column: 1 / -1; }

/* ------------------------------ 表格 ------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 16px 20px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line-soft); }
th { background: var(--blue-50); color: var(--blue-700); font-weight: 700; font-size: 14px; white-space: nowrap; }
td { color: var(--ink-700); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #FAFCFE; }
td strong { color: var(--ink-900); }
.pill-yes { color: #0E7A46; background: #E8F7EF; border-radius: 999px; padding: 3px 10px; font-size: 12.5px; font-weight: 700; }
.pill-no { color: var(--ink-400); background: var(--line-soft); border-radius: 999px; padding: 3px 10px; font-size: 12.5px; font-weight: 700; }

/* ------------------------------ 子页 Hero ------------------------------ */
.page-hero {
  position: relative; padding: 48px 0 66px; overflow: hidden;
  background:
    radial-gradient(760px 420px at 82% 0%, rgba(42, 109, 184, .18), transparent 62%),
    radial-gradient(520px 320px at 6% 20%, rgba(216, 24, 36, .07), transparent 62%),
    linear-gradient(180deg, #F5FAFF 0%, #FFFFFF 100%);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(24, 72, 132, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 72, 132, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 40% 10%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 40% 10%, #000, transparent 72%);
  pointer-events: none;
}
.page-hero__inner { position: relative; max-width: 820px; }
.page-hero h1 { margin-bottom: 18px; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-400); margin-bottom: 20px; }
.crumb a:hover { color: var(--blue-600); }
.crumb span.sep { color: var(--line); }
.crumb b { color: var(--ink-500); font-weight: 600; }

/* ------------------------------ CTA 区 ------------------------------ */
.cta-band {
  background: var(--grad-blue-deep); border-radius: var(--r-xl); padding: 54px 56px; color: #fff;
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; bottom: -120px; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(216, 24, 36, .38), transparent 66%);
}
.cta-band__inner { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255, 255, 255, .78); font-size: 16px; }
.cta-band__actions { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 12px; }
.cta-band__actions .small { color: rgba(255, 255, 255, .62); text-align: center; }

/* ------------------------------ 联系表单 ------------------------------ */
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 40px; align-items: start; }
.info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px;
  box-shadow: var(--sh-sm);
}
.info-item { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px dashed var(--line); }
.info-item:last-child { border-bottom: none; padding-bottom: 0; }
.info-item:first-child { padding-top: 0; }
.info-item__icon {
  flex: none; width: 40px; height: 40px; border-radius: 11px; background: var(--blue-50);
  border: 1px solid var(--blue-100); color: var(--blue-600); display: flex; align-items: center; justify-content: center;
}
.info-item__icon svg { width: 19px; height: 19px; }
.info-item b { display: block; font-size: 12.5px; color: var(--ink-400); font-weight: 600; letter-spacing: .04em; margin-bottom: 3px; }
.info-item p, .info-item a { font-size: 15px; color: var(--ink-900); font-weight: 600; line-height: 1.6; }
.info-item a:hover { color: var(--blue-600); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px; box-shadow: var(--sh-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--ink-700); margin-bottom: 8px; }
.field label i { color: var(--red-500); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 14.5px; color: var(--ink-900);
  border: 1px solid var(--line); border-radius: var(--r-sm); padding: 12px 14px; background: #FCFDFF;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea { resize: vertical; min-height: 108px; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-400); background: #fff; box-shadow: 0 0 0 4px rgba(42, 109, 184, .1);
}
.field .hint { font-size: 12.5px; color: var(--ink-400); margin-top: 6px; }
.form-note { font-size: 12.5px; color: var(--ink-400); margin-top: 14px; line-height: 1.7; }
.form-msg {
  display: none; margin-top: 16px; padding: 13px 16px; border-radius: var(--r-sm);
  font-size: 14px; background: var(--blue-50); border: 1px solid var(--blue-100); color: var(--blue-700);
}
.form-msg.is-show { display: block; }

/* ------------------------------ FAQ ------------------------------ */
.faq { display: grid; gap: 12px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 0 22px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq details[open] { border-color: var(--blue-200); box-shadow: var(--sh-sm); }
.faq summary {
  cursor: pointer; list-style: none; padding: 19px 0; font-size: 15.8px; font-weight: 700; color: var(--ink-900);
  display: flex; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; margin-left: auto; width: 9px; height: 9px; flex: none;
  border-right: 2px solid var(--blue-500); border-bottom: 2px solid var(--blue-500);
  transform: rotate(45deg) translateY(-2px); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.faq .faq__body { padding: 0 0 20px; font-size: 14.5px; color: var(--ink-500); line-height: 1.85; }

/* ------------------------------ 时光轴 ------------------------------ */
.timeline { position: relative; padding-left: 8px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--blue-400), var(--blue-100)); }
.tl-item { position: relative; padding: 0 0 30px 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue-500); box-shadow: 0 0 0 4px rgba(42, 109, 184, .1);
}
.tl-item b { display: block; font-size: 16.5px; color: var(--ink-900); }
.tl-item .year { display: inline-block; font-size: 12.5px; font-weight: 800; color: #fff; background: var(--grad-blue); border-radius: 999px; padding: 2px 11px; margin-bottom: 8px; }
.tl-item p { font-size: 14.5px; color: var(--ink-500); line-height: 1.8; }

/* ------------------------------ 生态条 ------------------------------ */
.eco-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.eco-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 22px 18px; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.eco-item:hover { transform: translateY(-5px); box-shadow: var(--sh-sm); border-color: var(--blue-200); }
.eco-item__icon { width: 44px; height: 44px; margin: 0 auto 13px; border-radius: 12px; background: var(--blue-50); color: var(--blue-600); display: flex; align-items: center; justify-content: center; border: 1px solid var(--blue-100); }
.eco-item__icon svg { width: 21px; height: 21px; }
.eco-item b { display: block; font-size: 15px; color: var(--ink-900); margin-bottom: 5px; }
.eco-item p { font-size: 12.8px; color: var(--ink-400); line-height: 1.65; }

/* ------------------------------ 页脚 ------------------------------ */
.footer { background: var(--blue-900); color: rgba(255, 255, 255, .68); padding: 62px 0 26px; font-size: 14px; }
.footer__top { display: grid; grid-template-columns: 1.7fr .8fr .85fr .78fr 1.12fr; gap: 30px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .02em; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__brand img { height: 42px; background: #fff; padding: 6px 10px; border-radius: 9px; }
.footer__brand b { color: #fff; font-size: 18px; letter-spacing: .06em; }
.footer__desc { font-size: 13.5px; line-height: 1.85; color: rgba(255, 255, 255, .6); }

/* 页脚公众号二维码 */
.footer__qr {
  display: flex; align-items: center; gap: 15px; margin-top: 20px; padding: 13px 15px;
  border-radius: var(--r-md); background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
}
.footer__qr img {
  width: 98px; height: 98px; flex: none; background: #fff; padding: 5px;
  border-radius: 8px; object-fit: contain;
}
.footer__qr-text b {
  display: flex; align-items: center; gap: 7px; font-size: 14.5px; color: #fff; margin-bottom: 7px;
}
.footer__qr-text b svg { width: 17px; height: 17px; color: #6CC48A; }
.footer__qr-text span { display: block; font-size: 12.6px; line-height: 1.75; color: rgba(255, 255, 255, .62); }
.footer__list { display: grid; gap: 11px; }
.footer__list a, .footer__list li { font-size: 13.8px; color: rgba(255, 255, 255, .68); }
.footer__list a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 10px; font-size: 13.8px; line-height: 1.7; }
.footer__contact svg { width: 16px; height: 16px; flex: none; margin-top: 5px; color: var(--blue-400); }
.footer__bottom {
  padding-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: 12.8px; color: rgba(255, 255, 255, .45);
}
.footer__bottom a:hover { color: rgba(255, 255, 255, .78); }

/* ------------------------------ 回到顶部 ------------------------------ */
.to-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); color: var(--blue-700); display: flex; align-items: center;
  justify-content: center; cursor: pointer; box-shadow: var(--sh-md); opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease, transform .25s ease;
}
.to-top.is-show { opacity: 1; visibility: visible; }
.to-top:hover { transform: translateY(-3px); color: var(--blue-700); }
.to-top svg { width: 19px; height: 19px; }

/* ------------------------------ 滚动动画 ------------------------------ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1080px) {
  .search { max-width: 380px; }
  .header__tel b { font-size: 20px; }
  .nav__link { padding: 0 11px; font-size: 14px; }
  .hero__inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { max-width: 560px; }
  .float-card--a { left: 0; }
  .float-card--b { right: 0; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .eco-row { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 26px 16px; }
  .step__line { display: none; }
  .split, .split--wide { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px 28px; }
  .cta-band { grid-template-columns: 1fr; padding: 42px 34px; }
}

/* ≤900：导航条收进抽屉，页头只剩信息条 + 主头部 */
@media (max-width: 900px) {
  :root { --header-h: 108px; }
  .header__top-inner { gap: 12px; }
  .header__quick a { padding: 0 9px; }
  .header__nav { height: 0; background: none; }
  .header__nav .container { display: block; height: 0; }
  .nav {
    /* 页头不固定：抽屉定位在页头下沿（+1px 是页头底边框），打开时 JS 会先回到顶部 */
    position: fixed; top: calc(var(--header-h) + 1px); left: 0; right: 0; z-index: 105; margin: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--sh-md);
    padding: 14px 18px 24px; transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
    max-height: calc(100vh - var(--header-h) - 1px); overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav .container { padding: 0; max-width: none; height: auto; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; height: auto; }
  .nav__item { display: block; }
  .nav__link { padding: 13px 14px; font-size: 16px; border-radius: 10px; color: var(--ink-700); }
  .nav__link:hover { background: var(--blue-50); color: var(--blue-700); }
  .nav__link.is-active { background: var(--blue-50); color: var(--blue-700); }
  .nav__link.is-active::after { display: none; }
  .nav__menu {
    position: static; transform: none; opacity: 1; visibility: visible; min-width: 0;
    background: transparent; gap: 0;
    padding: 0 0 8px 12px; border: none; box-shadow: none;
  }
  .nav__menu::before { display: none; }
  .nav__item { position: static; }
  .nav__item.has-menu:hover .nav__menu,
  .nav__item.has-menu:focus-within .nav__menu { transform: none; opacity: 1; visibility: visible; }
  .nav__menu-link { padding: 10px 12px; }
  .nav__menu-link b { font-size: 14px; }
  .nav__menu-link span { display: none; }
  .nav__link .caret { opacity: .4; }
  .nav__extra { display: grid; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
  .nav-toggle { display: flex; margin-left: auto; }
  .header__cta { display: none; }
}

/* ≤720：只保留 logo + 菜单按钮 */
@media (max-width: 720px) {
  :root { --header-h: 62px; }
  .header__top { display: none; }
  .header__main-inner { height: 62px; gap: 14px; }
  .header__main .search { display: none; }
  .header__tel { display: none; }
  .section { padding: 62px 0; }
  .container { padding: 0 18px; }
  .brand__logo { height: 34px; }
  .brand__divider, .brand__name span { display: none; }
  .brand__name b { font-size: 17px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .eco-row { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
  .stat:nth-child(3) { border-left: none; }
  .stat + .stat { border-left: none; }
  .major__body { grid-template-columns: 1fr; gap: 0; }
  .major__head { flex-wrap: wrap; padding: 20px; }
  .major__head .badge { margin-left: 0; }
  .major__body { padding: 20px 20px 4px; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band { padding: 34px 22px; border-radius: var(--r-lg); }
  .form-card, .info-card { padding: 22px; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__qr img { width: 84px; height: 84px; }
  .hero { padding-top: 38px; }
  .page-hero { padding-top: 32px; padding-bottom: 52px; }
  .hero__trust { gap: 12px 18px; }
  .to-top { right: 16px; bottom: 18px; }
  .chip-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   子页面组件：锚点导航 / 提示条 / 详情块
   ========================================================================== */
.anchor-nav-wrap {
  width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.anchor-nav { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 44px; }
/* 锚点跳转时留出一点顶部呼吸空间（页头不固定，无需再减去页头高度） */
.section[id], .split [id] { scroll-margin-top: 24px; }
.anchor-nav a {
  padding: 9px 17px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 13.8px; font-weight: 600; color: var(--ink-700); box-shadow: var(--sh-xs);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.anchor-nav a:hover { border-color: var(--blue-400); color: var(--blue-700); background: var(--blue-50); }

.note-box {
  display: flex; gap: 12px; padding: 17px 21px; border-radius: var(--r-md);
  background: var(--blue-50); border: 1px solid var(--blue-100); border-left: 3px solid var(--blue-500);
  font-size: 14px; color: var(--ink-700); line-height: 1.8;
}
.note-box svg { width: 19px; height: 19px; flex: none; color: var(--blue-600); margin-top: 4px; }
.note-box--red { background: var(--red-50); border-color: rgba(216, 24, 36, .14); border-left-color: var(--red-500); }
.note-box--red svg { color: var(--red-500); }

.detail-block { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 30px 24px; }
.detail-block + .detail-block { margin-top: 20px; }
.detail-block__head { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.detail-block__head h3 { font-size: 20px; }
.detail-block__sub { font-size: 13.5px; color: var(--ink-400); margin-top: 4px; }
.badge--soft {
  margin-left: auto; font-size: 12.5px; font-weight: 700; color: var(--blue-700);
  background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: 999px;
  padding: 5px 13px; white-space: nowrap;
}
.card__sub { margin-top: 6px; font-size: 13px; font-weight: 600; color: var(--ink-400); }

/* 通用标签 / 规格网格 */
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tags span {
  font-size: 12.5px; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 999px; padding: 4px 11px;
}
.tags--red span { color: var(--red-500); background: var(--red-50); border-color: rgba(216, 24, 36, .14); }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 32px; }
.spec-item { padding: 16px 0; border-bottom: 1px dashed var(--line); }
.spec-item:last-child { border-bottom: none; padding-bottom: 0; }
.spec-item dt {
  font-size: 12.5px; font-weight: 800; letter-spacing: .1em; color: var(--red-500);
  text-transform: uppercase; margin-bottom: 9px;
}
.spec-item dd { margin: 0; font-size: 14.4px; color: var(--ink-700); line-height: 1.85; }
.spec-item--full { grid-column: 1 / -1; }
.spec-item .tick-list { gap: 9px; }
.grid--1 { grid-template-columns: 1fr; }
.grid > .detail-block + .detail-block { margin-top: 0; }

@media (max-width: 720px) {
  .hero-visual { padding: 60px 0 56px; }
  .float-card { font-size: 12.5px; padding: 10px 13px; }
  .detail-block { padding: 22px 20px 16px; }
  .detail-block__head { flex-wrap: wrap; gap: 12px; }
  .detail-block__head .badge--soft { margin-left: 0; }
  .anchor-nav { gap: 7px; }
  .anchor-nav a { font-size: 13px; padding: 8px 14px; }
  .detail-grid { grid-template-columns: 1fr; gap: 0; }
}

/* ===================== 资讯栏目 · 文章与卡片（新增） ===================== */

/* 文章正文排版 */
.article { max-width: 800px; }
.article__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--ink-400);
}
.article__meta .tag {
  font-size: 12.5px; font-weight: 700; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 999px; padding: 4px 12px;
}
.article h2 { font-size: 23px; line-height: 1.4; margin: 42px 0 16px; color: var(--ink-900); letter-spacing: .01em; }
.article h2:first-child { margin-top: 0; }
.article h3 { font-size: 17.5px; margin: 30px 0 10px; color: var(--ink-900); }
.article p { font-size: 15.5px; line-height: 1.95; color: var(--ink-700); margin-bottom: 14px; }
.article strong { color: var(--ink-900); }
.article ul { display: grid; gap: 9px; margin: 4px 0 18px; }
.article ul li { position: relative; padding-left: 22px; font-size: 15.5px; line-height: 1.85; color: var(--ink-700); }
.article ul li::before {
  content: ""; position: absolute; left: 2px; top: 11px; width: 8px; height: 8px;
  border-radius: 3px; background: var(--red-500); opacity: .8;
}
.article blockquote {
  margin: 24px 0; padding: 18px 24px; border-left: 3px solid var(--blue-700);
  background: var(--blue-50); border-radius: 0 14px 14px 0;
  font-size: 15px; line-height: 1.9; color: var(--ink-700);
}
.article__foot {
  margin-top: 46px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
}
.article__foot p { font-size: 13px; color: var(--ink-400); margin: 0; }

/* 资讯列表卡片 */
.post-list { display: grid; gap: 18px; }
.post-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 30px; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.post-card:hover { border-color: var(--blue-200); box-shadow: var(--sh-md); transform: translateY(-2px); }
.post-card__meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.post-card__meta .tag {
  font-size: 12.5px; font-weight: 700; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 999px; padding: 3px 12px; white-space: nowrap;
}
.post-card__meta time { font-size: 13px; color: var(--ink-400); }
.post-card h3 { font-size: 19px; line-height: 1.5; color: var(--ink-900); margin-bottom: 10px; }
.post-card p { font-size: 14.5px; line-height: 1.85; color: var(--ink-500); }
.post-card .card__link { padding-top: 14px; }

/* 客户案例卡片 */
.case-grid { display: grid; gap: 22px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 32px; }
.case-card__head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 6px; }
.case-card__head h3 { font-size: 19px; color: var(--ink-900); line-height: 1.5; }
.case-card__head .tag {
  font-size: 12.5px; font-weight: 700; color: #fff; background: var(--blue-700);
  border-radius: 999px; padding: 4px 13px; white-space: nowrap;
}
.case-card__facts {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 18px;
}
.case-card__facts span {
  font-size: 12.5px; color: var(--blue-700); background: var(--blue-50);
  border: 1px solid var(--blue-100); border-radius: 999px; padding: 4px 12px;
}
.case-card__row { display: grid; grid-template-columns: 64px 1fr; gap: 14px; padding: 12px 0; border-top: 1px dashed var(--line); }
.case-card__row:first-of-type { border-top: none; }
.case-card__row b { font-size: 13.5px; color: var(--blue-700); padding-top: 2px; }
.case-card__row p { font-size: 14.5px; line-height: 1.85; color: var(--ink-700); }

/* 问答分组 */
.qa-group { margin-bottom: 46px; }
.qa-group > h2 { font-size: 21px; color: var(--ink-900); margin-bottom: 6px; }
.qa-group > .qa-group__sub { font-size: 14px; color: var(--ink-400); margin-bottom: 18px; }

@media (max-width: 720px) {
  .case-card { padding: 22px 20px; }
  .case-card__row { grid-template-columns: 1fr; gap: 4px; }
  .post-card { padding: 20px 20px; }
  .article h2 { font-size: 20px; }
}

/* ==========================================================================
   资讯列表（公司动态 / 行业资讯）：左侧日期块 + 分类 + 标题 + 摘要
   ========================================================================== */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 92px 1fr; gap: 26px; padding: 26px 6px;
  border-bottom: 1px dashed var(--line); transition: background .22s ease;
}
.news-item:hover { background: var(--blue-50); }
.news-item__date {
  width: 92px; height: 92px; border-radius: var(--r-md); background: var(--blue-50);
  border: 1px solid var(--blue-100); display: flex; flex-direction: column;
  align-items: center; justify-content: center; transition: background .22s ease, border-color .22s ease;
}
.news-item__date b { font-size: 30px; font-weight: 800; line-height: 1; color: var(--blue-700); letter-spacing: -.02em; }
.news-item__date span { margin-top: 7px; font-size: 12.2px; color: var(--ink-400); letter-spacing: .03em; }
.news-item:hover .news-item__date { background: var(--blue-700); border-color: var(--blue-700); }
.news-item:hover .news-item__date b, .news-item:hover .news-item__date span { color: #fff; }
.news-item__body { min-width: 0; padding-top: 2px; }
.news-item__body .tag {
  display: inline-block; font-size: 12.4px; font-weight: 700; color: var(--blue-700);
  background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: 999px; padding: 3px 12px;
}
.news-item__body h3 { font-size: 19px; line-height: 1.55; color: var(--ink-900); margin: 11px 0 9px; }
.news-item:hover .news-item__body h3 { color: var(--blue-700); }
.news-item__body p { font-size: 14.5px; line-height: 1.85; color: var(--ink-500); }
.news-item__more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 12px;
  font-size: 13.5px; font-weight: 600; color: var(--blue-600);
}
.news-item__more svg { width: 15px; height: 15px; }

/* ==========================================================================
   美迪问答：问题列表（每条指向独立问答页）
   ========================================================================== */
.qa-list { display: grid; gap: 10px; }
.qa-item {
  display: block; padding: 17px 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md); transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.qa-item:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); transform: translateX(4px); }
.qa-item__row { display: flex; align-items: flex-start; gap: 13px; }
.qa-item__no {
  flex: none; width: 27px; height: 27px; margin-top: 1px; border-radius: 50%;
  background: var(--blue-50); color: var(--blue-700); font-size: 12.5px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.qa-item__row b { font-size: 15.6px; font-weight: 600; line-height: 1.65; color: var(--ink-900); }
.qa-item:hover .qa-item__row b { color: var(--blue-700); }
.qa-item__arr { flex: none; margin-left: auto; padding-top: 3px; color: var(--ink-300); transition: color .22s ease, transform .22s ease; }
.qa-item__arr svg { width: 17px; height: 17px; }
.qa-item:hover .qa-item__arr { color: var(--blue-600); transform: translateX(3px); }
.qa-item p { margin-top: 6px; padding-left: 40px; font-size: 13.4px; line-height: 1.75; color: var(--ink-500); }
.qa-count { font-size: 13px; color: var(--ink-400); }

/* 问答详情页：结论先行块 */
.qa-answer-first {
  padding: 22px 26px; margin-bottom: 36px; border-radius: var(--r-md);
  background: var(--blue-50); border: 1px solid var(--blue-100); border-left: 3px solid var(--blue-500);
  font-size: 15.8px; line-height: 1.92; color: var(--ink-700);
}
.qa-answer-first b { color: var(--blue-700); }
.qa-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 38px; }
.qa-link {
  display: block; padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--r-md);
  background: #fff; transition: border-color .22s ease, box-shadow .22s ease;
}
.qa-link:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); }
.qa-link b { display: block; font-size: 14.8px; color: var(--ink-900); }
.qa-link:hover b { color: var(--blue-700); }
.qa-link span { display: block; margin-top: 5px; font-size: 13px; line-height: 1.7; color: var(--ink-400); }

/* ==========================================================================
   站内搜索页
   ========================================================================== */
.search-page-wrap { max-width: 760px; margin: 0 auto; }
.search-page-wrap .search { max-width: none; height: 50px; margin: 0; }
.search-page-wrap .search__btn { padding: 0 28px; font-size: 15px; }
.search-hint {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 8px; margin-top: 18px; font-size: 13.2px; color: var(--ink-400);
}
.search-hint span { margin-right: 2px; }
.search-hint a {
  padding: 6px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
  color: var(--blue-700); font-size: 13px; font-weight: 600; box-shadow: var(--sh-xs);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.search-hint a:hover { border-color: var(--blue-400); color: var(--blue-700); background: var(--blue-50); }
.search-results { margin-top: 40px; display: grid; gap: 12px; }
.result-card {
  display: block; padding: 20px 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md); transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.result-card:hover { border-color: var(--blue-200); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.result-card b { display: block; font-size: 16.5px; color: var(--ink-900); }
.result-card b em { font-style: normal; color: var(--red-500); }
.result-card:hover b { color: var(--blue-700); }
.result-card p { margin-top: 7px; font-size: 14px; line-height: 1.8; color: var(--ink-500); }
.result-card span.path { display: block; margin-top: 9px; font-size: 12.4px; color: var(--ink-300); word-break: break-all; }
.result-empty { padding: 40px 0; text-align: center; font-size: 14.5px; color: var(--ink-400); }

/* ==========================================================================
   网站地图页
   ========================================================================== */
.map-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.map-grid--2 { grid-template-columns: repeat(2, 1fr); }
.map-col { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 28px; }
.map-col h3 {
  font-size: 16.5px; color: var(--ink-900); padding-bottom: 13px; margin-bottom: 16px;
  border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 9px;
}
.map-col h3 svg { width: 18px; height: 18px; color: var(--blue-600); }
.map-col ul { display: grid; gap: 11px; }
.map-col li > a { font-size: 14.2px; color: var(--ink-700); }
.map-col li > a:hover { color: var(--blue-700); }
.map-col li .map-sub { display: grid; gap: 8px; margin: 10px 0 0; padding-left: 14px; border-left: 2px solid var(--line-soft); }
.map-col li .map-sub a { font-size: 13.2px; color: var(--ink-500); }
.map-col li .map-sub a:hover { color: var(--blue-700); }
.map-note { margin-top: 26px; font-size: 13px; color: var(--ink-400); }

@media (max-width: 1080px) {
  .map-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .qa-links { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .news-item { grid-template-columns: 74px 1fr; gap: 16px; padding: 20px 2px; }
  .news-item__date { width: 74px; height: 74px; }
  .news-item__date b { font-size: 24px; }
  .news-item__date span { font-size: 11px; }
  .news-item__body h3 { font-size: 16.5px; }
  .news-item__body p { font-size: 13.8px; }
  .qa-item { padding: 15px 17px; }
  .qa-item p { padding-left: 0; }
  .qa-answer-first { padding: 18px 20px; font-size: 15px; }
  .map-grid { grid-template-columns: 1fr; }
  .map-col { padding: 22px 20px; }
}

/* 无障碍：用户偏好减少动效时关闭过渡与动画（也让无头验收的 computed style 确定化） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}