/* ==========================================================================
   企业官网样式表  |  Tech Corporate Site
   品牌色、字体、圆角统一在 :root 调整，全站自动生效
   ========================================================================== */

:root {
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-light: #60a5fa;
  --accent: #06b6d4;
  --violet: #6366f1;

  --ink: #0b1220;
  --ink-2: #1e293b;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f6f8fc;
  --white: #ffffff;

  --grad: linear-gradient(120deg, #4f46e5 0%, #2563eb 45%, #06b6d4 100%);
  --grad-soft: linear-gradient(120deg, rgba(79, 70, 229, .10), rgba(6, 182, 212, .10));

  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 14px rgba(15, 23, 42, .05);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .14);

  --container: 1180px;
  --header-h: 72px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
  color: var(--ink);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -.02em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(37, 99, 235, .38); }
.btn-ghost {
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}
.btn-outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

/* ---------- 头部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.01em;
  color: #fff;
  transition: color .3s;
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(37, 99, 235, .35);
  flex: 0 0 auto;
}
.logo-mark svg { width: 18px; height: 18px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 8px 15px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, .82);
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(255, 255, 255, .1); }
.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn { padding: 10px 20px; font-size: 14px; }
.header-tel {
  font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, .9);
  display: flex; align-items: center; gap: 6px;
}
a.header-tel { text-decoration: none; }
a.header-tel:hover { color: #fff; }
.site-header.scrolled a.header-tel:hover { color: var(--brand); }
.footer-contact a { color: inherit; text-decoration: none; }
.footer-contact a:hover { color: #fff; text-decoration: underline; }
.ci-value a { color: inherit; text-decoration: none; }
.ci-value a:hover { color: var(--brand); text-decoration: underline; }

/* 滚动后浅色状态 */
.site-header.scrolled {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, .07), 0 6px 24px rgba(15, 23, 42, .06);
}
.site-header.scrolled .logo { color: var(--ink); }
.site-header.scrolled .nav a { color: var(--muted); }
.site-header.scrolled .nav a:hover,
.site-header.scrolled .nav a.active { color: var(--brand); background: rgba(37, 99, 235, .07); }
.site-header.scrolled .header-tel { color: var(--ink-2); }
.site-header.scrolled .btn-ghost { border-color: rgba(37, 99, 235, .28); color: var(--brand); }
.site-header.scrolled .btn-ghost:hover { background: rgba(37, 99, 235, .07); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  color: #fff;
  place-items: center;
}
.site-header.scrolled .nav-toggle { color: var(--ink); }
.nav-toggle svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: #080f1e;
  padding: calc(var(--header-h) + 72px) 0 96px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 480px at 78% 8%, rgba(37, 99, 235, .35), transparent 62%),
    radial-gradient(700px 420px at 6% 92%, rgba(6, 182, 212, .22), transparent 60%),
    radial-gradient(600px 400px at 50% 120%, rgba(99, 102, 241, .2), transparent 65%);
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 78%);
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(96, 165, 250, .3);
  background: rgba(37, 99, 235, .12);
  color: #bfdbfe;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge span.dot {
  width: 20px; height: 20px; border-radius: 999px;
  background: rgba(96, 165, 250, .2);
  display: grid; place-items: center;
}
.hero-badge span.dot::after {
  content: ""; width: 6px; height: 6px; border-radius: 999px; background: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, .25);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(96, 165, 250, .25); }
  50% { box-shadow: 0 0 0 7px rgba(96, 165, 250, .05); }
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.14;
  color: #fff;
  font-weight: 800;
  letter-spacing: -.03em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #93c5fd, #67e8f9 60%, #a5b4fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 22px;
  font-size: 17px;
  color: rgba(226, 232, 240, .78);
  max-width: 520px;
  line-height: 1.85;
}
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-metrics {
  display: flex;
  gap: 44px;
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  flex-wrap: wrap;
}
.hero-metrics .num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.hero-metrics .num i { font-style: normal; font-size: 15px; color: #60a5fa; margin-left: 2px; }
.hero-metrics .label { font-size: 13px; color: rgba(226, 232, 240, .6); margin-top: 4px; }

/* Hero 右侧可视化卡片 */
.hero-visual { position: relative; }
.visual-card {
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(30, 41, 59, .92), rgba(15, 23, 42, .96));
  border: 1px solid rgba(148, 163, 184, .18);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .06);
  padding: 20px;
  backdrop-filter: blur(10px);
}
.vc-head {
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 15px; margin-bottom: 16px;
  border-bottom: 1px solid rgba(148, 163, 184, .14);
}
.vc-head .dots { display: flex; gap: 6px; }
.vc-head .dots i { width: 9px; height: 9px; border-radius: 999px; background: #334155; display: block; }
.vc-head .dots i:first-child { background: #ef4444; opacity: .8; }
.vc-head .dots i:nth-child(2) { background: #f59e0b; opacity: .8; }
.vc-head .dots i:nth-child(3) { background: #22c55e; opacity: .8; }
.vc-head span { font-size: 12px; color: #64748b; margin-left: 4px; letter-spacing: .04em; }

.vc-rows { display: grid; gap: 12px; }
.vc-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(148, 163, 184, .07);
  border: 1px solid rgba(148, 163, 184, .1);
  animation: floatIn .8s var(--ease) both;
}
.vc-row:nth-child(2) { animation-delay: .12s; }
.vc-row:nth-child(3) { animation-delay: .24s; }
.vc-row:nth-child(4) { animation-delay: .36s; }
@keyframes floatIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.vc-icon {
  width: 34px; height: 34px; border-radius: 9px; flex: 0 0 auto;
  display: grid; place-items: center;
  background: rgba(37, 99, 235, .16);
  color: #60a5fa;
}
.vc-icon svg { width: 17px; height: 17px; }
.vc-row .t { font-size: 13.5px; color: #e2e8f0; font-weight: 600; }
.vc-row .s { font-size: 11.5px; color: #64748b; margin-top: 1px; }
.vc-row .bar {
  margin-left: auto;
  width: 74px; height: 6px; border-radius: 999px;
  background: rgba(148, 163, 184, .16);
  overflow: hidden;
}
.vc-row .bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }

.float-chip {
  position: absolute;
  padding: 10px 15px;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-md);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  display: flex; align-items: center; gap: 8px;
  animation: bob 5s ease-in-out infinite;
}
.float-chip .ico {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(6, 182, 212, .12); color: #0891b2;
}
.float-chip .ico svg { width: 14px; height: 14px; }
.float-chip.c1 { top: -22px; left: -28px; }
.float-chip.c2 { bottom: -20px; right: -16px; animation-delay: 1.6s; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- 通用 section ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 16.5px; }
.section-head.left { margin: 0 0 48px; text-align: left; }

/* ---------- 能力卡片 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(37, 99, 235, .25); }
.card:hover::after { transform: scaleX(1); }
.card .icon {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--grad-soft);
  color: var(--brand);
  margin-bottom: 20px;
}
.card .icon svg { width: 23px; height: 23px; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }

/* ---------- 解决方案 交替布局 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split + .split { margin-top: 96px; }
.split.reverse .split-text { order: 2; }
.split-text h3 { font-size: clamp(22px, 2.6vw, 30px); margin-bottom: 18px; }
.split-text > p { color: var(--muted); font-size: 15.5px; line-height: 1.85; }
.split-text .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 12px;
  letter-spacing: .04em;
}
.check-list { margin-top: 26px; display: grid; gap: 14px; }
.check-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-2);
  align-items: flex-start;
  line-height: 1.6;
}
.check-list li svg {
  width: 20px; height: 20px;
  flex: 0 0 auto;
  color: var(--brand);
  margin-top: 2px;
}

.split-visual {
  border-radius: var(--radius-lg);
  padding: 32px;
  background: linear-gradient(150deg, #0f172a, #1e293b);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  min-height: 320px;
  display: grid;
  place-items: center;
}
.split-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(420px 240px at 85% 10%, rgba(37, 99, 235, .4), transparent 65%),
    radial-gradient(320px 200px at 10% 95%, rgba(6, 182, 212, .28), transparent 65%);
}
.split-visual > * { position: relative; }
.mini-panel {
  width: 100%;
  border-radius: 14px;
  background: rgba(15, 23, 42, .72);
  border: 1px solid rgba(148, 163, 184, .18);
  padding: 18px;
  backdrop-filter: blur(8px);
}
.mini-panel .mp-title {
  font-size: 12px; color: #94a3b8; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center;
}
.mp-title .pill {
  font-size: 10.5px; letter-spacing: 0; text-transform: none;
  padding: 3px 9px; border-radius: 999px;
  background: rgba(34, 197, 94, .16); color: #4ade80;
  border: 1px solid rgba(34, 197, 94, .25);
}
.stat-rows { display: grid; gap: 13px; }
.stat-row { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: #cbd5e1; }
.stat-row .k { width: 76px; flex: 0 0 auto; color: #94a3b8; }
.stat-row .track { flex: 1; height: 7px; border-radius: 999px; background: rgba(148, 163, 184, .16); overflow: hidden; }
.stat-row .track i { display: block; height: 100%; border-radius: 999px; background: var(--grad); }
.stat-row .v { width: 42px; text-align: right; color: #e2e8f0; font-weight: 600; font-variant-numeric: tabular-nums; }

.node-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.node {
  border-radius: 10px;
  padding: 12px 10px;
  background: rgba(148, 163, 184, .08);
  border: 1px solid rgba(148, 163, 184, .12);
  text-align: center;
  font-size: 11.5px;
  color: #94a3b8;
}
.node b { display: block; font-size: 15px; color: #e2e8f0; margin-bottom: 2px; font-variant-numeric: tabular-nums; }
.node.on { background: rgba(37, 99, 235, .14); border-color: rgba(96, 165, 250, .3); }
.node.on b { color: #93c5fd; }

/* ---------- 数据条 ---------- */
.stats-band {
  background: var(--grad);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.stats-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 75%);
}
.stats-band .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  text-align: center;
}
.stats-band .item { color: #fff; }
.stats-band .item + .item { border-left: 1px solid rgba(255, 255, 255, .2); }
.stats-band .n { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.stats-band .n small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.stats-band .t { font-size: 13.5px; color: rgba(255, 255, 255, .78); margin-top: 6px; }

/* ---------- 案例 ---------- */
.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-thumb {
  height: 180px;
  position: relative;
  display: grid;
  place-items: center;
  color: #fff;
  overflow: hidden;
}
.case-thumb.t1 { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.case-thumb.t2 { background: linear-gradient(135deg, #0f766e, #06b6d4); }
.case-thumb.t3 { background: linear-gradient(135deg, #4338ca, #7c3aed); }
.case-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 32px 32px;
}
.case-thumb .big { font-size: 40px; font-weight: 800; letter-spacing: -.03em; position: relative; }
.case-thumb .big small { font-size: 16px; font-weight: 600; }
.case-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.case-body .tag {
  font-size: 12px; font-weight: 700; color: var(--brand);
  letter-spacing: .06em; margin-bottom: 8px;
}
.case-body h3 { font-size: 17px; margin-bottom: 10px; }
.case-body p { font-size: 14px; color: var(--muted); flex: 1; }
.case-body .more {
  margin-top: 18px; font-size: 13.5px; font-weight: 600; color: var(--brand);
  display: inline-flex; align-items: center; gap: 6px;
}
.case-body .more svg { width: 14px; height: 14px; transition: transform .25s; }
.case-card:hover .more svg { transform: translateX(4px); }

/* ---------- 评价 ---------- */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: box-shadow .3s, transform .3s var(--ease);
}
.quote-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.quote-card .qmark {
  font-size: 44px; line-height: 1; color: rgba(37, 99, 235, .18);
  font-family: Georgia, serif; margin-bottom: 6px;
}
.quote-card p { font-size: 15px; color: var(--ink-2); line-height: 1.8; }
.quote-user { display: flex; align-items: center; gap: 13px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.avatar {
  width: 42px; height: 42px; border-radius: 999px; flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 700; font-size: 15px; color: #fff;
  background: var(--grad);
}
.quote-user .name { font-size: 14px; font-weight: 700; color: var(--ink); }
.quote-user .role { font-size: 12.5px; color: var(--muted); }

/* ---------- CTA ---------- */
.cta-band {
  background: #080f1e;
  padding: 92px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 340px at 50% -10%, rgba(37, 99, 235, .4), transparent 65%),
    radial-gradient(500px 280px at 90% 110%, rgba(6, 182, 212, .22), transparent 65%);
}
.cta-band .container { position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(26px, 3.4vw, 40px); }
.cta-band p { color: rgba(226, 232, 240, .72); margin-top: 16px; font-size: 16px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  background: #060c18;
  color: #94a3b8;
  padding: 72px 0 0;
  font-size: 14px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(148, 163, 184, .14);
}
.footer-brand .logo { color: #fff; margin-bottom: 18px; }
.footer-brand p { color: #7c8da3; line-height: 1.8; font-size: 13.5px; max-width: 300px; }
.footer-col h4 { color: #e2e8f0; font-size: 14px; margin-bottom: 18px; font-weight: 700; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: #8595ab; font-size: 13.5px; transition: color .2s; }
.footer-col a:hover { color: #60a5fa; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: #8595ab; font-size: 13.5px; line-height: 1.7; }
.footer-contact svg { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 3px; color: #60a5fa; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #64748b;
}
.footer-bottom a:hover { color: #93c5fd; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 内页 ---------- */
.page-hero {
  background: #080f1e;
  padding: calc(var(--header-h) + 76px) 0 76px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 360px at 50% 0%, rgba(37, 99, 235, .35), transparent 65%),
    radial-gradient(500px 280px at 100% 100%, rgba(6, 182, 212, .18), transparent 65%);
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 20%, transparent 75%);
}
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 46px); }
.page-hero p { color: rgba(226, 232, 240, .74); margin-top: 16px; font-size: 16.5px; max-width: 640px; margin-inline: auto; }
.crumb { font-size: 13px; color: rgba(226, 232, 240, .5); margin-bottom: 16px; }
.crumb a:hover { color: #93c5fd; }

/* ---------- 表格 / 列表页 ---------- */
.info-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.info-table th, .info-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.info-table th { background: var(--soft); font-weight: 600; color: var(--ink-2); font-size: 13.5px; }
.info-table tr:hover td { background: rgba(37, 99, 235, .025); }

.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--brand), rgba(6, 182, 212, .2));
}
.timeline li { position: relative; padding-bottom: 30px; }
.timeline li::before {
  content: ""; position: absolute; left: -30px; top: 6px;
  width: 16px; height: 16px; border-radius: 999px;
  background: #fff; border: 3px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}
.timeline .year { font-size: 15px; font-weight: 800; color: var(--brand); margin-bottom: 4px; }
.timeline p { font-size: 14.5px; color: var(--muted); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.contact-item { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-item .ci-icon {
  width: 44px; height: 44px; border-radius: 12px; flex: 0 0 auto;
  display: grid; place-items: center;
  background: var(--grad-soft); color: var(--brand);
}
.contact-item .ci-icon svg { width: 20px; height: 20px; }
.contact-item .ci-label { font-size: 13px; color: var(--muted); margin-bottom: 3px; }
.contact-item .ci-value { font-size: 16px; font-weight: 600; color: var(--ink); }
.contact-item .ci-value small { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 2px; }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 20px; margin-bottom: 8px; }
.form-card > p { font-size: 14px; color: var(--muted); margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field label .req { color: #ef4444; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; line-height: 1.7; }

/* ---------- 滚动动效 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; }
  .split { gap: 44px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 14px 20px 22px;
    gap: 4px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .12);
    transform: translateY(-130%);
    transition: transform .35s var(--ease);
    border-top: 1px solid var(--line);
  }
  .nav.open { transform: none; }
  .nav a { color: var(--ink-2) !important; padding: 12px 14px; border-radius: 10px; }
  .nav a:hover, .nav a.active { background: rgba(37, 99, 235, .08) !important; color: var(--brand) !important; }
  .nav-toggle { display: grid; }
  .header-tel { display: none; }
  .header-cta .btn { padding: 9px 16px; font-size: 13px; }
  .site-header { background: rgba(8, 15, 30, .35); backdrop-filter: blur(10px); }
  .site-header .logo { color: #fff; }
  .site-header .nav-toggle { color: #fff; }

  .section { padding: 68px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-text { order: 0; }
  .split + .split { margin-top: 64px; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stats-band .item + .item { border-left: none; }
  .stats-band .item:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, .2); }
  .hero { padding-top: calc(var(--header-h) + 48px); padding-bottom: 68px; }
  .hero-metrics { gap: 28px; }
  .float-chip.c1 { left: 0; top: -16px; }
  .float-chip.c2 { right: 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-card { padding: 26px 22px; }
}

@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .page-hero { padding-top: calc(var(--header-h) + 52px); padding-bottom: 56px; }
}

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