/* ==========================================================================
   黔动新媒 · 企业官网 主样式表
   设计方向：遵义红 × 活力渐变，新媒体年轻感 + 本土文化底蕴
   目录：
   01 设计令牌 | 02 重置与基础 | 03 布局容器 | 04 按钮 | 05 导航
   06 页头横幅 | 07 通用区块与标题 | 08 卡片 | 09 数据实力 | 10 轮播
   11 时间轴 | 12 表格与流程 | 13 表单 | 14 CTA | 15 页脚 | 16 动效
   17 响应式
   ========================================================================== */

/* ---------- 01 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --red: #D92B3C;
  --red-deep: #A3122B;
  --red-soft: #FDECEE;
  --orange: #FF7A2F;
  --purple: #7B3FE4;
  --purple-soft: #F1EBFE;
  --gold: #E9B44C;

  /* 中性色 */
  --ink: #14161A;
  --ink-2: #3D4450;
  --ink-3: #6B7280;
  --ink-4: #98A0AE;
  --line: #E8E9EE;
  --line-2: #F0F1F5;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-soft-2: #FBFCFD;
  --white: #FFFFFF;

  /* 渐变 */
  --grad: linear-gradient(135deg, var(--red) 0%, var(--orange) 52%, var(--purple) 100%);
  --grad-warm: linear-gradient(135deg, var(--red) 0%, var(--orange) 100%);
  --grad-cool: linear-gradient(135deg, var(--orange) 0%, var(--purple) 100%);
  --grad-text: linear-gradient(96deg, var(--red) 0%, var(--orange) 46%, var(--purple) 100%);

  /* 圆角 */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(20, 22, 26, .05);
  --sh-sm: 0 4px 14px rgba(20, 22, 26, .06);
  --sh-md: 0 12px 32px rgba(20, 22, 26, .08);
  --sh-lg: 0 24px 60px rgba(20, 22, 26, .11);
  --sh-red: 0 14px 34px rgba(217, 43, 60, .26);

  /* 尺寸 */
  --container: 1200px;
  --nav-h: 76px;

  /* 字体 */
  --font: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-num: 'DIN Alternate', 'Bahnschrift', 'HarmonyOS Sans SC', system-ui, sans-serif;

  /* 过渡 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --t: .32s var(--ease);
}

/* ---------- 02 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

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

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5 {
  margin: 0 0 .6em;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(30px, 4.6vw, 56px); }
h2 { font-size: clamp(24px, 3.2vw, 40px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
h4 { font-size: 17px; }

:focus-visible {
  outline: 3px solid rgba(217, 43, 60, .5);
  outline-offset: 3px;
  border-radius: 4px;
}

.text-grad {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-red { color: var(--red); }

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

/* ---------- 03 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.container-wide { max-width: 1400px; }

.grid { display: grid; gap: 28px; }
.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-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.wrap { flex-wrap: wrap; }

/* ---------- 04 按钮 ---------- */
.btn {
  --btn-bg: var(--white);
  --btn-fg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  --btn-bg: var(--grad-warm);
  --btn-fg: #fff;
  box-shadow: var(--sh-red);
}
.btn-primary:hover { box-shadow: 0 18px 42px rgba(217, 43, 60, .34); }

.btn-gradient {
  --btn-bg: var(--grad);
  --btn-fg: #fff;
  box-shadow: 0 14px 34px rgba(123, 63, 228, .28);
}
.btn-gradient:hover { box-shadow: 0 20px 46px rgba(123, 63, 228, .38); }

.btn-outline {
  border: 1.5px solid var(--line);
  background: transparent;
}
.btn-outline:hover { border-color: var(--red); color: var(--red); }

.btn-ghost {
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .42);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .26); border-color: #fff; }

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16.5px; }
.btn-block { width: 100%; }

.btn .arw { transition: transform var(--t); }
.btn:hover .arw { transform: translateX(4px); }

/* 链接箭头 */
.link-more {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--red); font-weight: 700; font-size: 15px;
}
.link-more svg { transition: transform var(--t); }
.link-more:hover svg { transform: translateX(5px); }

/* 徽章 */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 15px;
  border-radius: var(--r-pill);
  background: var(--red-soft);
  color: var(--red);
  font-size: 13.5px; font-weight: 700;
  letter-spacing: .02em;
}
.badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(217, 43, 60, .16);
}
.badge-light { background: rgba(255, 255, 255, .16); color: #fff; }
.badge-light::before { background: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, .24); }
.badge-purple { background: var(--purple-soft); color: var(--purple); }
.badge-purple::before { background: var(--purple); box-shadow: 0 0 0 4px rgba(123, 63, 228, .16); }

/* ---------- 05 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0);
  transition: background var(--t), box-shadow var(--t), height var(--t);
}
.nav.scrolled {
  height: 66px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(20, 22, 26, .05);
}
.nav-inner {
  width: 100%; max-width: var(--container);
  margin-inline: auto; padding-inline: 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.nav .logo img { height: 42px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu a.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  font-size: 15.5px; font-weight: 600;
  color: var(--ink-2);
  transition: color var(--t), background var(--t);
}
.nav-menu a.nav-link:hover { color: var(--red); background: rgba(217, 43, 60, .06); }
.nav-menu a.nav-link.active { color: var(--red); }
.nav-menu a.nav-link.active::after {
  content: ''; position: absolute;
  left: 50%; bottom: 2px; transform: translateX(-50%);
  width: 18px; height: 3px; border-radius: 3px;
  background: var(--grad-warm);
}
/* 首页顶部时导航为白色（压在深色 Hero 上） */
.nav.is-over:not(.scrolled) a.nav-link { color: rgba(255, 255, 255, .9); }
.nav.is-over:not(.scrolled) a.nav-link:hover { color: #fff; background: rgba(255, 255, 255, .14); }
.nav.is-over:not(.scrolled) a.nav-link.active { color: #fff; }
.nav.is-over:not(.scrolled) a.nav-link.active::after { background: #fff; }
.nav.is-over:not(.scrolled) .logo-white { display: block; }
.nav.is-over:not(.scrolled) .logo-dark { display: none; }
.nav .logo-dark { display: block; }
.nav .logo-white { display: none; }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-phone {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 800; font-size: 16px; color: var(--ink);
  font-family: var(--font-num);
  letter-spacing: .01em;
}
.nav.is-over:not(.scrolled) .nav-phone { color: #fff; }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--r-sm);
  align-items: center; justify-content: center;
  color: var(--ink);
}
.nav.is-over:not(.scrolled) .nav-toggle { color: #fff; }
.nav-toggle span {
  display: block; width: 21px; height: 2px; border-radius: 2px;
  background: currentColor; position: relative;
  transition: background .2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0;
  width: 21px; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .28s var(--ease);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* 抽屉 */
.mobile-drawer {
  position: fixed; inset: 0;
  z-index: 99;
  background: rgba(20, 22, 26, .42);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--t), visibility var(--t);
}
.mobile-drawer.open { opacity: 1; visibility: visible; }
.mobile-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(86vw, 380px);
  background: #fff;
  padding: 92px 26px 32px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .34s var(--ease);
  box-shadow: -14px 0 40px rgba(20, 22, 26, .14);
}
.mobile-drawer.open .mobile-panel { transform: translateX(0); }
.mobile-panel a {
  display: block; padding: 15px 12px;
  border-bottom: 1px solid var(--line-2);
  font-size: 17px; font-weight: 700; color: var(--ink);
  border-radius: var(--r-xs);
}
.mobile-panel a:hover, .mobile-panel a.active { color: var(--red); background: var(--red-soft); }
.mobile-meta { margin-top: 24px; font-size: 14.5px; color: var(--ink-3); }
.mobile-meta strong { color: var(--ink); font-family: var(--font-num); font-size: 19px; }
.mobile-meta .btn { margin-top: 16px; }

/* ---------- 06 页头横幅（内页） ---------- */
.page-head {
  position: relative;
  padding: calc(var(--nav-h) + 84px) 0 84px;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.page-head::before {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(120deg, #191C24 0%, #22182B 48%, #2A1520 100%);
}
.page-head::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(760px 420px at 82% 12%, rgba(255, 122, 47, .34), transparent 62%),
    radial-gradient(620px 420px at 12% 88%, rgba(217, 43, 60, .38), transparent 60%),
    radial-gradient(560px 380px at 52% 46%, rgba(123, 63, 228, .26), transparent 62%);
}
.page-head .grid-pattern {
  position: absolute; inset: 0; z-index: -1; opacity: .12;
  background-image:
    linear-gradient(rgba(255, 255, 255, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .55) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 74%);
}
.page-head h1 { color: #fff; max-width: 20ch; }
.page-head .lead { color: rgba(255, 255, 255, .78); font-size: 17.5px; max-width: 62ch; }
.page-head .crumb {
  display: flex; align-items: center; gap: 9px;
  font-size: 14px; color: rgba(255, 255, 255, .6);
  margin-bottom: 22px;
}
.page-head .crumb a:hover { color: #fff; }

/* ---------- 07 通用区块与标题 ---------- */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-soft { background: var(--bg-soft); }
.section-soft-2 { background: var(--bg-soft-2); }

.sec-head { max-width: 780px; margin: 0 auto 54px; text-align: center; }
.sec-head .badge { margin-bottom: 18px; }
.sec-head h2 { margin-bottom: 16px; }
.sec-head .lead { font-size: 17px; color: var(--ink-3); }
.sec-head.left { margin-inline: 0; text-align: left; }

.divider {
  width: 68px; height: 4px; border-radius: 4px;
  background: var(--grad-warm); margin: 0 auto 22px;
}
.divider.left { margin-inline: 0; }

/* ---------- 08 卡片 ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); border-color: transparent; }

.card-icon {
  width: 58px; height: 58px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--grad-warm);
  color: #fff;
  margin-bottom: 20px;
  box-shadow: var(--sh-red);
}
.card-icon svg { width: 27px; height: 27px; }
.card-icon.purple { background: var(--grad-cool); box-shadow: 0 12px 28px rgba(123, 63, 228, .26); }
.card-icon.soft { background: var(--red-soft); color: var(--red); box-shadow: none; }

.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-3); font-size: 15.2px; }

/* 业务卡片（带顶部渐变条与图片） */
.biz-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.biz-card::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: left;
  transition: transform .42s var(--ease);
}
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--sh-lg); border-color: transparent; }
.biz-card:hover::before { transform: scaleX(1); }
.biz-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-soft); }
.biz-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.biz-card:hover .thumb img { transform: scale(1.06); }
.biz-card .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.biz-card .no {
  font-family: var(--font-num); font-size: 13px; font-weight: 800;
  letter-spacing: .1em; color: var(--red); margin-bottom: 8px;
}
.biz-card h3 { font-size: 20px; margin-bottom: 10px; }
.biz-card p { color: var(--ink-3); font-size: 15px; margin-bottom: 18px; }
.biz-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
  padding: 4px 11px; border-radius: var(--r-pill);
  background: var(--bg-soft); color: var(--ink-3);
  font-size: 12.5px; font-weight: 600;
}
.biz-card .link-more { margin-top: auto; }

/* 图片卡 */
.img-frame {
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--sh-md);
  position: relative;
}
.img-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--bg-soft);
}

/* 图标列表 */
.icon-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 11px 0; border-bottom: 1px dashed var(--line);
  font-size: 15.4px;
}
.icon-list li:last-child { border-bottom: none; }
.icon-list .tick {
  flex: 0 0 auto; width: 22px; height: 22px; margin-top: 3px;
  border-radius: 50%; background: var(--red-soft); color: var(--red);
  display: grid; place-items: center;
}
.icon-list .tick svg { width: 13px; height: 13px; }
.icon-list strong { color: var(--ink); }

/* ---------- 09 数据实力 ---------- */
.stats-wrap {
  position: relative;
  border-radius: var(--r-xl);
  padding: 56px 40px;
  background: linear-gradient(125deg, #1A1D26 0%, #241A2E 46%, #2C1520 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.stats-wrap::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(700px 380px at 88% 8%, rgba(255, 122, 47, .3), transparent 62%),
    radial-gradient(640px 400px at 6% 96%, rgba(217, 43, 60, .34), transparent 62%);
  pointer-events: none;
}
.stat-item { text-align: center; padding: 8px 10px; }
.stat-num {
  font-family: var(--font-num);
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 800; line-height: 1.1;
  background: linear-gradient(180deg, #fff 20%, #FFC7A6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.stat-num .suffix { font-size: .5em; }
.stat-label { margin-top: 8px; color: rgba(255, 255, 255, .68); font-size: 14.6px; }
.stat-sub { margin-top: 4px; color: rgba(255, 255, 255, .42); font-size: 12.5px; }

/* ---------- 10 轮播 ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex; gap: 22px; width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track.reverse { animation-direction: reverse; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  flex: 0 0 auto;
  width: 218px; padding: 20px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  transition: box-shadow var(--t), transform var(--t);
}
.marquee-item:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }
.marquee-item img { height: 44px; width: auto; object-fit: contain; }

/* 案例轮播 */
.carousel { position: relative; }
.carousel-viewport { overflow: hidden; border-radius: var(--r-xl); }
.carousel-track {
  display: flex;
  transition: transform .56s var(--ease);
  will-change: transform;
}
.carousel-slide { flex: 0 0 100%; min-width: 0; }
.carousel-slide.show-3 { flex: 0 0 33.3333%; padding-inline: 14px; }
.carousel-slide.show-2 { flex: 0 0 50%; padding-inline: 14px; }
.carousel .row { margin-inline: -14px; }

.carousel-nav { display: flex; gap: 12px; justify-content: center; margin-top: 34px; }
.carousel-btn {
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--ink);
  transition: all var(--t);
}
.carousel-btn:hover { background: var(--grad-warm); color: #fff; border-color: transparent; box-shadow: var(--sh-red); }
.carousel-btn:disabled { opacity: .38; pointer-events: none; }
.carousel-dots { display: flex; gap: 8px; align-items: center; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--line); transition: all var(--t);
}
.dot.active { width: 26px; border-radius: 4px; background: var(--grad-warm); }

/* 案例卡 */
.case-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; height: 100%;
  display: flex; flex-direction: column;
  transition: transform var(--t), box-shadow var(--t);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.case-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-card:hover .thumb img { transform: scale(1.06); }
.case-card .cat {
  position: absolute; left: 14px; top: 14px;
  padding: 5px 13px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(6px);
  font-size: 12.5px; font-weight: 700; color: var(--red);
}
.case-card .body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card h3 { font-size: 18.5px; margin-bottom: 10px; }
.case-card .desc { color: var(--ink-3); font-size: 14.8px; margin-bottom: 18px; }
.case-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 10px; padding: 14px 0 4px;
  border-top: 1px solid var(--line-2);
  margin-top: auto;
}
.case-metrics .m { text-align: center; }
.case-metrics .v {
  font-family: var(--font-num); font-weight: 800; font-size: 20px;
  color: var(--red); line-height: 1.2;
}
.case-metrics .k { font-size: 12px; color: var(--ink-4); margin-top: 2px; }

/* ---------- 11 时间轴 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ''; position: absolute; left: 9px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--red), var(--orange) 52%, var(--purple));
  border-radius: 2px;
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -34px; top: 6px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; border: 4px solid var(--red);
  box-shadow: 0 0 0 5px rgba(217, 43, 60, .12);
}
.tl-year {
  display: inline-block;
  font-family: var(--font-num); font-weight: 800; font-size: 15px;
  color: var(--red); letter-spacing: .04em; margin-bottom: 6px;
}
.tl-item h4 { font-size: 17.5px; margin-bottom: 6px; }
.tl-item p { color: var(--ink-3); font-size: 15px; }

/* ---------- 12 流程 / 步骤 ---------- */
.steps { counter-reset: step; display: grid; gap: 20px; }
.step {
  position: relative;
  padding: 24px 26px 24px 84px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: box-shadow var(--t), border-color var(--t);
}
.step:hover { box-shadow: var(--sh-sm); border-color: transparent; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 24px; top: 22px;
  font-family: var(--font-num); font-weight: 800; font-size: 26px;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.step h4 { margin-bottom: 6px; }
.step p { color: var(--ink-3); font-size: 15px; }

/* 表格 */
.tbl-wrap { overflow-x: auto; border-radius: var(--r-md); border: 1px solid var(--line); }
table.tbl { width: 100%; border-collapse: collapse; min-width: 620px; background: #fff; }
table.tbl th, table.tbl td { padding: 15px 20px; text-align: left; font-size: 15px; }
table.tbl thead th {
  background: var(--bg-soft); color: var(--ink); font-weight: 700;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.tbl tbody tr { border-bottom: 1px solid var(--line-2); }
table.tbl tbody tr:last-child { border-bottom: none; }
table.tbl tbody tr:hover { background: var(--bg-soft-2); }

/* 价格/课程卡 */
.course-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 30px 28px;
  display: flex; flex-direction: column; height: 100%;
  transition: transform var(--t), box-shadow var(--t);
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.course-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
}
.course-card .c-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.course-card h3 { font-size: 21px; margin-bottom: 8px; }
.course-card .desc { color: var(--ink-3); font-size: 15px; margin-bottom: 18px; }
.course-meta {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  padding: 16px 0; margin-bottom: 18px;
  border-block: 1px solid var(--line-2);
}
.course-meta .k { font-size: 12.5px; color: var(--ink-4); }
.course-meta .v { font-size: 15px; font-weight: 700; color: var(--ink); }

/* 折叠面板 */
.acc { border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: #fff; }
.acc + .acc { margin-top: 14px; }
.acc-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; text-align: left;
  font-size: 16.5px; font-weight: 700; color: var(--ink);
  transition: background var(--t);
}
.acc-btn:hover { background: var(--bg-soft-2); }
.acc-btn .ic {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
  background: var(--red-soft); color: var(--red);
  display: grid; place-items: center; transition: transform var(--t), background var(--t);
}
.acc-btn[aria-expanded="true"] .ic { transform: rotate(45deg); background: var(--grad-warm); color: #fff; }
.acc-body { display: none; padding: 0 22px 22px; color: var(--ink-3); font-size: 15.2px; }
.acc-body.open { display: block; }

/* ---------- 13 表单 ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 38px;
  box-shadow: var(--sh-md);
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14.5px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.field label .req { color: var(--red); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg-soft-2);
  font-size: 15px;
  transition: border-color var(--t), background var(--t), box-shadow var(--t);
}
.field textarea { min-height: 124px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); background: #fff;
  box-shadow: 0 0 0 4px rgba(217, 43, 60, .1);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-tip { font-size: 13.5px; color: var(--ink-4); margin-top: 14px; }
.form-msg {
  display: none; margin-top: 16px; padding: 13px 16px;
  border-radius: var(--r-sm); font-size: 14.6px; font-weight: 600;
}
.form-msg.show { display: block; }
.form-msg.ok { background: #E9F7EF; color: #12734A; border: 1px solid #B6E3CC; }
.form-msg.err { background: var(--red-soft); color: var(--red-deep); border: 1px solid #F6C7CD; }

/* 联系信息卡 */
.info-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; border-radius: var(--r-md);
  background: #fff; border: 1px solid var(--line);
  transition: box-shadow var(--t), transform var(--t);
}
.info-card:hover { box-shadow: var(--sh-sm); transform: translateY(-2px); }
.info-card .ic {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: var(--r-sm);
  background: var(--grad-warm); color: #fff;
  display: grid; place-items: center; box-shadow: var(--sh-red);
}
.info-card .k { font-size: 13px; color: var(--ink-4); margin-bottom: 3px; }
.info-card .v { font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.5; }

/* ---------- 14 CTA ---------- */
.cta-band {
  position: relative;
  border-radius: var(--r-xl);
  padding: 64px 48px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background: linear-gradient(120deg, var(--red-deep) 0%, var(--red) 34%, var(--orange) 72%, var(--purple) 100%);
}
.cta-band::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(520px 320px at 92% 6%, rgba(255, 255, 255, .3), transparent 60%),
    radial-gradient(460px 300px at 4% 100%, rgba(255, 255, 255, .18), transparent 62%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; }
.cta-band .lead { color: rgba(255, 255, 255, .84); font-size: 17px; }
.cta-band .badge-light { margin-bottom: 18px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.cta-actions .btn-white { background: #fff; color: var(--red); box-shadow: 0 14px 34px rgba(0, 0, 0, .16); }
.cta-actions .btn-white:hover { box-shadow: 0 20px 44px rgba(0, 0, 0, .22); }

/* ---------- 15 页脚 ---------- */
.footer {
  position: relative;
  background: #12141A;
  color: rgba(255, 255, 255, .66);
  padding: 74px 0 0;
  overflow: hidden;
}
.footer::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(680px 380px at 88% 4%, rgba(217, 43, 60, .2), transparent 60%),
    radial-gradient(560px 340px at 8% 96%, rgba(123, 63, 228, .18), transparent 62%);
  pointer-events: none;
}
.footer .container { position: relative; }
.foot-brand { max-width: 340px; }
.foot-brand img { height: 44px; margin-bottom: 18px; }
.foot-brand p { font-size: 14.8px; line-height: 1.8; }
.foot-title {
  color: #fff; font-size: 16px; font-weight: 700;
  margin-bottom: 18px; letter-spacing: .02em;
}
.footer ul li { margin-bottom: 11px; }
.footer ul a { font-size: 14.8px; color: rgba(255, 255, 255, .62); }
.footer ul a:hover { color: #fff; }
.foot-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.8px; }
.foot-contact svg { flex: 0 0 auto; width: 17px; height: 17px; margin-top: 4px; color: var(--orange); }
.foot-social { display: flex; gap: 11px; margin-top: 20px; }
.foot-social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  display: grid; place-items: center; color: #fff;
  transition: all var(--t);
}
.foot-social a:hover { background: var(--grad-warm); transform: translateY(-3px); }
.foot-qr {
  width: 116px; padding: 8px; border-radius: var(--r-sm);
  background: #fff; box-shadow: var(--sh-sm);
}
.foot-bottom {
  margin-top: 56px; padding: 22px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 13.6px; color: rgba(255, 255, 255, .46);
}
.foot-bottom a:hover { color: #fff; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* 悬浮快速咨询 */
.float-contact {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  position: relative;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-size: 12px; font-weight: 700;
  box-shadow: var(--sh-md);
  transition: transform var(--t), box-shadow var(--t);
}
.float-btn:hover { transform: translateY(-4px) scale(1.04); box-shadow: var(--sh-lg); }
.float-btn.phone { background: var(--grad-warm); }
.float-btn.top { background: #fff; color: var(--ink-2); }
.float-btn svg { width: 25px; height: 25px; }
.float-btn .tip {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%);
  padding: 9px 15px; border-radius: var(--r-pill);
  background: var(--ink); color: #fff; font-size: 13.5px; white-space: nowrap;
  opacity: 0; visibility: hidden; transition: all var(--t);
  box-shadow: var(--sh-md);
}
.float-btn:hover .tip { opacity: 1; visibility: visible; }

/* 返回顶部出现控制 */
.float-btn.top { opacity: 0; visibility: hidden; transform: translateY(10px); }
.float-btn.top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 首页首屏 Hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 64px) 0 96px;
  background: linear-gradient(125deg, #171A22 0%, #211A2C 46%, #2B1520 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-bg .grid-pattern {
  position: absolute; inset: 0; opacity: .16;
  background-image:
    linear-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 30% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 30% 40%, #000 0%, transparent 72%);
}
.hero-bg .orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  animation: float-orb 16s var(--ease) infinite alternate;
}
.hero-bg .orb-1 { width: 520px; height: 520px; left: -80px; top: -60px; background: rgba(217, 43, 60, .5); }
.hero-bg .orb-2 { width: 460px; height: 460px; right: -60px; top: 8%; background: rgba(255, 122, 47, .38); animation-delay: -4s; }
.hero-bg .orb-3 { width: 420px; height: 420px; left: 42%; bottom: -140px; background: rgba(123, 63, 228, .34); animation-delay: -8s; }
@keyframes float-orb {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(34px, -28px, 0) scale(1.12); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}
.hero-copy h1 { color: #fff; margin-bottom: 20px; }
.text-gradient-warm {
  background: linear-gradient(96deg, #FF9E6B 0%, #FF6B6B 40%, #C77DFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-copy .lead {
  color: rgba(255, 255, 255, .78);
  font-size: 17.5px; max-width: 56ch; margin-bottom: 26px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.hero-tags li {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 15px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(6px);
  font-size: 14px; font-weight: 600; color: #fff;
}
.hero-tags li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); box-shadow: 0 0 0 3px rgba(255, 122, 47, .24);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual { position: relative; }
.hero-poster { margin: 0; position: relative; }
.hero-poster img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--r-xl);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .42);
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .06);
}
.hero-poster figcaption {
  margin-top: 10px; text-align: center;
  font-size: 12.5px; color: rgba(255, 255, 255, .48);
}
.hero-chip {
  position: absolute;
  padding: 14px 20px; border-radius: var(--r-md);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
  display: flex; flex-direction: column; line-height: 1.2;
  animation: float-chip 5.5s var(--ease) infinite alternate;
}
.hero-chip strong { font-family: var(--font-num); font-size: 27px; color: var(--red); font-weight: 800; }
.hero-chip span { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.hero-chip.chip-a { left: -26px; top: 12%; }
.hero-chip.chip-b { right: -20px; bottom: 14%; animation-delay: -2.4s; }
@keyframes float-chip {
  from { transform: translateY(0); }
  to { transform: translateY(-14px); }
}

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  color: rgba(255, 255, 255, .7);
  border: 1px solid rgba(255, 255, 255, .24);
  animation: scroll-bounce 2.2s ease-in-out infinite;
}
.hero-scroll:hover { color: #fff; border-color: #fff; }
@keyframes scroll-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

.biz-more { text-align: center; margin-top: 44px; }
.stats-note {
  margin: 26px auto 0; text-align: center;
  font-size: 12.5px; color: rgba(255, 255, 255, .4);
  max-width: 60ch;
}

/* 业务概览卡补充：序号徽标 */
.biz-mini .body { padding: 22px 24px 24px; }

@media (max-width: 980px) {
  .hero { min-height: auto; padding: calc(var(--nav-h) + 48px) 0 72px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero-visual { max-width: 480px; margin-inline: auto; }
  .hero-chip.chip-a { left: -8px; }
  .hero-chip.chip-b { right: -4px; }
  .hero-scroll { display: none; }
}
@media (max-width: 560px) {
  .hero-chip { padding: 10px 14px; }
  .hero-chip strong { font-size: 21px; }
  .hero-actions .btn { flex: 1 1 100%; }
}

/* ---------- 业务服务页 ---------- */
.service-quick { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.quick-pill {
  padding: 8px 17px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff; font-size: 14.2px; font-weight: 600;
  backdrop-filter: blur(6px);
  transition: background var(--t), transform var(--t);
}
.quick-pill:hover { background: rgba(255, 255, 255, .24); transform: translateY(-2px); }

.biz-detail { scroll-margin-top: 90px; }
.biz-row { gap: 52px; align-items: start; }
.biz-row.reverse .biz-media { order: 2; }

.biz-media { position: relative; }
.biz-media img {
  width: 100%; border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  position: relative; z-index: 1;
}
.biz-badge {
  position: absolute; z-index: 2;
  left: -18px; bottom: -18px;
  width: 76px; height: 76px; border-radius: var(--r-lg);
  background: var(--grad-warm); color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--sh-red);
}
.biz-no {
  font-family: var(--font-num); font-weight: 800;
  font-size: 15px; letter-spacing: .16em; color: var(--red);
  margin-bottom: 10px;
}
.biz-info h2 { font-size: clamp(25px, 3vw, 36px); margin-bottom: 14px; }
.biz-summary {
  font-size: 16.5px; color: var(--ink-3);
  padding-left: 16px; border-left: 3px solid var(--red);
  margin-bottom: 28px;
}
.biz-block { margin-bottom: 24px; }
.biz-sub {
  display: flex; align-items: center; gap: 9px;
  font-size: 16.5px; font-weight: 800; color: var(--ink);
  margin-bottom: 12px;
}
.biz-sub .dot-i {
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--grad-warm); flex: 0 0 auto;
}
.chip-wrap { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  padding: 7px 15px; border-radius: var(--r-pill);
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 14px; font-weight: 600; color: var(--ink-2);
  transition: border-color var(--t), color var(--t);
}
.chip:hover { border-color: var(--red); color: var(--red); }
.biz-case {
  margin-top: 14px; padding: 12px 16px;
  border-radius: var(--r-sm);
  background: var(--red-soft); color: var(--red-deep);
  font-size: 14.2px; font-weight: 600;
}
.biz-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ---------- 培训页 ---------- */
.train-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 44px; flex-wrap: wrap; }
.train-tab {
  padding: 11px 26px; border-radius: var(--r-pill);
  background: #fff; border: 1.5px solid var(--line);
  font-size: 15.5px; font-weight: 700; color: var(--ink-2);
  transition: all var(--t);
}
.train-tab:hover { border-color: var(--red); color: var(--red); }
.train-tab.active {
  background: var(--grad-warm); border-color: transparent; color: #fff;
  box-shadow: var(--sh-red);
}
.train-group { display: none; }
.train-group.active { display: block; }

.outline-list { counter-reset: ol; }
.outline-list li {
  position: relative; padding-left: 34px; margin-bottom: 12px;
  font-size: 15.2px; color: var(--ink-2);
}
.outline-list li::before {
  counter-increment: ol; content: counter(ol, decimal-leading-zero);
  position: absolute; left: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg-soft); color: var(--red);
  font-family: var(--font-num); font-size: 12px; font-weight: 800;
  display: grid; place-items: center;
}
.gain-item {
  display: flex; gap: 11px; align-items: flex-start;
  padding: 10px 0; font-size: 15.2px;
}
.gain-item .g-ic {
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 6px;
  background: var(--purple-soft); color: var(--purple);
  display: grid; place-items: center;
}
.course-top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }

@media (max-width: 980px) {
  .biz-row { gap: 36px; }
  .biz-row.reverse .biz-media { order: 0; }
  .biz-badge { left: -10px; bottom: -10px; width: 62px; height: 62px; }
}
@media (max-width: 560px) {
  .biz-badge { display: none; }
  .biz-actions .btn { flex: 1 1 100%; }
}

/* ---------- 案例页 / 通用弹窗 ---------- */
.case-year { font-size: 12.5px; color: var(--ink-4); letter-spacing: .04em; margin-bottom: 6px; }

.modal {
  position: fixed; inset: 0; z-index: 200;
  display: none; align-items: flex-start; justify-content: center;
  padding: 6vh 20px 40px;
  overflow-y: auto;
}
.modal.open { display: flex; }
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(15, 18, 24, .62);
  backdrop-filter: blur(4px);
  animation: fade-in .24s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
  position: relative;
  width: min(940px, 100%);
  background: #fff; border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  padding: 40px;
  animation: modal-up .34s var(--ease);
}
@keyframes modal-up {
  from { opacity: 0; transform: translateY(24px) scale(.98); }
  to { opacity: 1; transform: none; }
}
.modal-close {
  position: absolute; right: 18px; top: 18px;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg-soft); color: var(--ink-2);
  display: grid; place-items: center;
  transition: all var(--t);
}
.modal-close:hover { background: var(--red); color: #fff; transform: rotate(90deg); }

.md-head { padding-right: 52px; }
.md-sub { font-size: 14px; color: var(--ink-4); }
.md-main-img {
  margin: 22px 0; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--sh-sm);
}
.md-main-img img { width: 100%; }
.md-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  padding: 20px; margin-bottom: 26px;
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.md-metric { text-align: center; }
.md-metric .v { font-family: var(--font-num); font-size: 26px; font-weight: 800; color: var(--red); }
.md-metric .k { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.md-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; }
.md-grid h4 { font-size: 16.5px; margin-bottom: 10px; }
.md-grid p { color: var(--ink-3); font-size: 15.2px; }
.md-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.md-gallery img { border-radius: var(--r-sm); aspect-ratio: 4 / 3; object-fit: cover; }
.md-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .md-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .modal-box { padding: 28px 20px; }
  .md-metrics { grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 14px 8px; }
  .md-metric .v { font-size: 19px; }
}

/* ---------- 关于我们页 ---------- */
.resources {
  margin-top: 44px; padding: 34px 36px;
  border-radius: var(--r-lg);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px;
}
.res-item { display: flex; gap: 14px; align-items: flex-start; }
.res-ic {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--r-sm);
  background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--red);
  box-shadow: var(--sh-xs);
}
.res-item h4 { font-size: 16px; margin-bottom: 4px; }
.res-item p { font-size: 14.2px; color: var(--ink-3); }

.team-card { text-align: center; }
.team-avatar {
  width: 116px; height: 116px; border-radius: 50%;
  margin: 0 auto 16px; overflow: hidden;
  border: 4px solid #fff; box-shadow: var(--sh-md);
  background: var(--bg-soft);
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-role {
  display: inline-block; padding: 4px 13px; border-radius: var(--r-pill);
  background: var(--red-soft); color: var(--red);
  font-size: 13px; font-weight: 700;
}

.cert-item {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 14px;
  text-align: center;
  transition: transform var(--t), box-shadow var(--t);
}
.cert-item:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.cert-item img { border-radius: var(--r-xs); }
.cert-name { margin-top: 12px; font-size: 14.5px; font-weight: 700; color: var(--ink); }

.media-card { text-align: center; padding: 24px 20px; }
.media-card img { height: 46px; width: auto; max-width: 100%; margin: 0 auto 14px; object-fit: contain; }
.media-name { font-weight: 700; font-size: 15px; color: var(--ink); }

/* ---------- 公司创始人 ---------- */
.founder-sec { background: linear-gradient(180deg, #FFFFFF 0%, #FBFAFD 46%, #FFF8F8 100%); }

.founder-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  padding: 34px;
  border-radius: var(--r-xl);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh-md);
  margin-bottom: 26px;
  position: relative;
  overflow: hidden;
}
.founder-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--grad);
}
.founder-photo { position: relative; }
.founder-photo img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}
.fd-photo-tip {
  margin-top: 8px; font-size: 12px; color: var(--ink-4); text-align: center;
}
.fd-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.fd-name {
  font-size: clamp(26px, 3vw, 34px); font-weight: 800; color: var(--ink);
  margin: 0; letter-spacing: .02em;
}
.fd-en { font-size: 13px; letter-spacing: .16em; color: var(--ink-4); margin-top: 3px; }
.fd-role {
  margin-top: 14px; font-size: 16.5px; font-weight: 700; color: var(--red);
}
.fd-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.fd-meta span {
  padding: 5px 13px; border-radius: var(--r-pill);
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); font-weight: 600;
}
.fd-intro { margin-top: 18px; color: var(--ink-3); font-size: 15.4px; line-height: 1.85; }
.fd-tags { margin-top: 18px; }
.fd-tags .chip { background: var(--red-soft); border-color: transparent; color: var(--red-deep); }

.info-block {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 26px 28px;
}
.info-block + .info-block { margin-top: 24px; }
.fd-titles {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 24px;
}
.fd-titles li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 8px 0; font-size: 14.6px; line-height: 1.6;
}
.fd-titles .tick {
  flex: 0 0 auto; width: 20px; height: 20px; margin-top: 3px;
  border-radius: 50%; background: var(--red-soft); color: var(--red);
  display: grid; place-items: center;
}
.fd-timeline { padding-left: 30px; }
.fd-timeline .tl-item { padding-bottom: 26px; }
.fd-timeline .tl-item::before { left: -30px; }

.fd-quote {
  position: relative; margin: 0 0 14px;
  padding: 18px 20px 18px 52px;
  border-radius: var(--r-md);
  background: var(--bg-soft);
  border-left: 3px solid var(--red);
}
.fd-quote svg {
  position: absolute; left: 18px; top: 18px;
  color: var(--red); opacity: .3;
}
.fd-quote p { margin: 0; font-size: 15.4px; color: var(--ink-2); line-height: 1.8; }
.quote-block { background: linear-gradient(135deg, #FFFFFF 0%, #FFFBFB 100%); }

@media (max-width: 900px) {
  .founder-card { grid-template-columns: minmax(0, 1fr); gap: 26px; padding: 24px; }
  .founder-photo { max-width: 260px; margin-inline: auto; }
  .fd-titles { grid-template-columns: minmax(0, 1fr); }
  .info-block { padding: 22px 20px; }
}

/* ---------- 十年刻度尺 ---------- */
.decade-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 30px 22px;
  box-shadow: var(--sh-sm);
}
.decade-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 26px;
}
.decade-range {
  font-family: var(--font-num); font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800; letter-spacing: .02em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.decade-note { font-size: 14px; color: var(--ink-4); }

.decade-scale {
  position: relative;
  display: flex; justify-content: space-between;
  gap: 4px;
  padding-top: 16px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.decade-scale::before {
  content: ''; position: absolute; left: 0; right: 0; top: 21px;
  height: 2px;
  background: linear-gradient(90deg, var(--line) 0%, var(--red) 46%, var(--orange) 72%, var(--purple) 100%);
  border-radius: 2px;
  opacity: .55;
}
.ds-item {
  position: relative;
  flex: 0 0 auto; min-width: 58px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  text-align: center;
}
.ds-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line);
  position: relative; z-index: 1;
  transition: all var(--t);
}
.ds-item.has-ev .ds-dot {
  width: 14px; height: 14px;
  border-color: var(--red);
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(217, 43, 60, .14);
}
.ds-y {
  font-family: var(--font-num); font-size: 13px; font-weight: 700;
  color: var(--ink-4); letter-spacing: .02em;
}
.ds-item.has-ev .ds-y { color: var(--ink); }
.ds-t {
  font-size: 11.5px; line-height: 1.35; color: var(--red-deep);
  font-weight: 600; max-width: 76px;
  display: none;
}
@media (min-width: 900px) {
  .ds-t { display: block; }
}
.ds-item:hover .ds-dot { transform: scale(1.25); }

/* 时间轴：阶段标签与配图 */
.tl-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.tl-meta .tl-year { margin-bottom: 0; }
.tl-stage {
  padding: 2px 9px; border-radius: var(--r-pill);
  background: var(--red-soft); color: var(--red);
  font-size: 11.5px; font-weight: 700;
}
.tl-thumb {
  margin: 12px 0 0; border-radius: var(--r-md);
  overflow: hidden; background: var(--bg-soft);
  box-shadow: var(--sh-xs);
}
.tl-thumb img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  display: block;
}

/* ---------- 联系我们页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.info-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 26px; }
.map-box {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  box-shadow: var(--sh-sm);
}
.map-box img, .map-box iframe { width: 100%; display: block; border: 0; }
.map-box iframe { min-height: 380px; }
.map-tip {
  padding: 10px 16px; font-size: 13px; color: var(--ink-4);
  background: #fff; border-top: 1px solid var(--line-2);
}
.wx-block {
  display: flex; gap: 18px; align-items: center;
  padding: 20px; border-radius: var(--r-md);
  background: var(--bg-soft); border: 1px solid var(--line);
}
.wx-block img { width: 96px; border-radius: var(--r-sm); background: #fff; padding: 6px; }

@media (max-width: 980px) {
  .resources { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 26px 22px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 600px) {
  .resources { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .info-list { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 视频卡片 / 图片画廊 / 灯箱 / 上传 ---------- */
.video-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; height: 100%;
  cursor: pointer;
  display: flex; flex-direction: column;
  transition: transform var(--t), box-shadow var(--t);
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.video-card .thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.video-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.video-card:hover .thumb img { transform: scale(1.06); }
.video-card .cat {
  position: absolute; left: 14px; top: 14px;
  padding: 5px 13px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(6px);
  font-size: 12.5px; font-weight: 700; color: var(--red);
}
.play-btn {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.9);
  width: 62px; height: 62px; border-radius: 50%;
  background: rgba(20, 22, 26, .42); backdrop-filter: blur(4px);
  color: #fff; display: grid; place-items: center;
  border: 2px solid rgba(255, 255, 255, .8);
  transition: transform var(--t), background var(--t);
}
.video-card:hover .play-btn, .case-card:hover .play-btn {
  transform: translate(-50%, -50%) scale(1); background: var(--red);
}
.no-media {
  position: absolute; right: 12px; bottom: 12px;
  padding: 4px 11px; border-radius: var(--r-pill);
  background: rgba(20, 22, 26, .68); color: #fff;
  font-size: 12px; font-weight: 600;
}
.video-card .body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.video-card h3 { font-size: 18px; margin-bottom: 8px; }
.video-card .desc { color: var(--ink-3); font-size: 14.6px; margin-bottom: 14px; }
.video-card .card-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line-2);
}
.video-card .year { font-size: 12.5px; color: var(--ink-4); }
/* 首页作品卡的播放按钮定位 */
.case-card .thumb { position: relative; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.gal-item {
  position: relative; margin: 0;
  border-radius: var(--r-md); overflow: hidden;
  background: var(--bg-soft); cursor: pointer;
  aspect-ratio: 16 / 10;
  transition: transform var(--t), box-shadow var(--t);
}
.gal-item:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gal-item:hover img { transform: scale(1.05); }
.gal-item figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 34px 18px 16px;
  background: linear-gradient(180deg, transparent, rgba(15, 18, 24, .78));
  color: #fff;
  display: flex; flex-direction: column; gap: 3px;
}
.gal-cat {
  align-self: flex-start; padding: 3px 10px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .22); backdrop-filter: blur(4px);
  font-size: 11.5px; font-weight: 700;
}
.gal-item figcaption strong { font-size: 16px; font-weight: 700; }
.gal-desc { font-size: 13px; color: rgba(255, 255, 255, .74); }

/* 视频弹窗 */
.video-box { width: min(900px, 100%); }
.vm-head { padding-right: 52px; margin-bottom: 18px; }
.vm-desc { color: var(--ink-3); font-size: 15px; margin: 0; }
.vm-player {
  width: 100%; border-radius: var(--r-md);
  background: #000; display: block; aspect-ratio: 16 / 9;
}
.vm-empty {
  text-align: center; padding: 46px 20px;
  background: var(--bg-soft); border-radius: var(--r-md); color: var(--ink-3);
}
.vm-empty svg { margin: 0 auto 12px; color: var(--ink-4); }
.vm-empty p { margin-bottom: 6px; }
.vm-empty code {
  padding: 2px 7px; border-radius: 6px; background: #fff;
  border: 1px solid var(--line); font-size: 12.5px; color: var(--red-deep);
}

/* 图片灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 220;
  background: rgba(10, 12, 16, .92);
  display: none; align-items: center; justify-content: center;
  padding: 60px 70px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 100%; max-height: 84vh;
  border-radius: var(--r-sm); box-shadow: 0 24px 70px rgba(0, 0, 0, .6);
}
.lb-close {
  position: absolute; right: 22px; top: 22px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255, 255, 255, .12); color: #fff;
  display: grid; place-items: center; transition: background var(--t);
}
.lb-close:hover { background: var(--red); }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255, 255, 255, .12); color: #fff;
  display: grid; place-items: center; transition: background var(--t);
}
.lb-nav:hover { background: rgba(255, 255, 255, .26); }
.lb-prev { left: 18px; } .lb-next { right: 18px; }
.lb-caption {
  position: absolute; left: 0; right: 0; bottom: 26px;
  text-align: center; color: rgba(255, 255, 255, .86);
  display: flex; flex-direction: column; gap: 4px; font-size: 15px;
}
.lb-count { font-size: 12.5px; color: rgba(255, 255, 255, .54); }

/* 素材上传区 */
.preview-upload {
  margin-top: 26px; padding: 30px 32px;
  border-radius: var(--r-lg);
  background: var(--bg-soft-2); border: 1px dashed var(--line);
}
.up-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.up-drop {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  padding: 30px 22px; border-radius: var(--r-md);
  background: #fff; border: 2px dashed var(--line);
  cursor: pointer; text-align: center;
  transition: border-color var(--t), background var(--t), transform var(--t);
}
.up-drop:hover { border-color: var(--red); background: var(--red-soft); transform: translateY(-3px); }
.up-ic { color: var(--red); }
.up-t { font-weight: 700; color: var(--ink); font-size: 15.5px; }
.up-s { font-size: 13px; color: var(--ink-4); }
.up-result { margin-top: 18px; }
.up-result code {
  padding: 2px 7px; border-radius: 6px; background: #fff;
  border: 1px solid var(--line); font-size: 12.5px; color: var(--red-deep);
}

.path-list { margin-top: 14px; }
.path-list li {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 9px 0; border-bottom: 1px dashed var(--line-2); font-size: 14.4px;
}
.path-list li:last-child { border-bottom: none; }
.path-list .pk {
  flex: 0 0 auto; min-width: 96px;
  font-weight: 700; color: var(--ink-2); font-size: 13.5px;
}
.path-list code {
  padding: 3px 9px; border-radius: 6px;
  background: var(--bg-soft); border: 1px solid var(--line);
  font-size: 13px; color: var(--red-deep); word-break: break-all;
}

@media (max-width: 900px) {
  .up-grid { grid-template-columns: minmax(0, 1fr); }
  .preview-upload { padding: 24px 20px; }
  .lightbox { padding: 60px 16px; }
  .lb-nav { width: 40px; height: 40px; }
  .lb-prev { left: 6px; } .lb-next { right: 6px; }
}

/* ---------- 16 动效 ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

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

/* ---------- 17 响应式 ---------- */
@media (max-width: 1100px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-phone { display: none; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .section { padding: 68px 0; }
  .grid-2, .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .carousel-slide.show-3 { flex: 0 0 50%; }
  .stats-wrap { padding: 42px 24px; }
  .cta-band { padding: 46px 28px; }
  .form-card { padding: 28px 22px; }
}

@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .container { padding-inline: 18px; }
  body { font-size: 15.4px; }
  .grid-4, .grid-6 { grid-template-columns: minmax(0, 1fr); }
  .section { padding: 56px 0; }
  .sec-head { margin-bottom: 36px; }
  .carousel-slide.show-3, .carousel-slide.show-2 { flex: 0 0 85%; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .page-head { padding: calc(var(--nav-h) + 56px) 0 56px; }
  .stat-item { padding: 14px 6px; }
  .foot-bottom { flex-direction: column; align-items: flex-start; gap: 12px; text-align: left; }
  .float-contact { right: 14px; bottom: 18px; }
  .float-btn { width: 50px; height: 50px; }
  .float-btn svg { width: 22px; height: 22px; }
  .step { padding: 20px 20px 20px 68px; }
  .step::before { left: 20px; font-size: 22px; }
  .foot-brand { max-width: none; }
}

@media (max-width: 480px) {
  .card, .course-card { padding: 22px 20px; }
  .btn { padding: 12px 22px; font-size: 14.5px; }
  .case-metrics { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .case-metrics .v { font-size: 17px; }
  .nav .logo img { height: 36px; }
}