/* ==========================================================================
   恒启数智 - 官网样式
   主色：能源蓝 #0B3D91 / 科技蓝 #1565C0
   辅色：新能源绿 #00A86B / 清新青 #00B8A9
   ========================================================================== */

:root {
  --c-primary: #0B3D91;
  --c-primary-dark: #082a66;
  --c-primary-light: #1565C0;
  --c-accent: #00A86B;
  --c-accent-2: #00B8A9;
  --c-accent-warm: #F5A623;
  --c-text: #1f2937;
  --c-text-soft: #4b5563;
  --c-text-muted: #6b7280;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fc;
  --c-bg-deep: #0a1f3d;
  --c-border: #e5eaf2;
  --c-line: rgba(11, 61, 145, 0.12);
  --shadow-sm: 0 2px 8px rgba(11, 37, 90, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 37, 90, 0.10);
  --shadow-lg: 0 20px 50px rgba(11, 37, 90, 0.15);
  --radius: 10px;
  --radius-lg: 18px;
  --container: 1240px;
  --header-h: 76px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue",
    Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .25s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===================== 通用按钮 ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .3s cubic-bezier(.2,.7,.3,1);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary-light), var(--c-primary));
  color: #fff;
  box-shadow: 0 8px 20px rgba(11, 61, 145, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(11, 61, 145, 0.38); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-line);
}
.btn-outline:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ===================== 顶部工具条 ===================== */
.topbar {
  background: var(--c-primary-dark);
  color: rgba(255,255,255,.78);
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .container {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.topbar a:hover { color: #fff; }
.topbar .tb-left { display: flex; gap: 24px; align-items: center; }
.topbar .tb-right { display: flex; gap: 18px; align-items: center; }
.topbar svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px; }

/* ===================== 头部导航 ===================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .3s ease;
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
  border-radius: 11px;
  color: #fff;
  box-shadow: 0 6px 16px rgba(11, 61, 145, 0.25);
}
.logo-mark svg { width: 26px; height: 26px; }
.logo-text { line-height: 1.15; }
.logo-text .zh { font-size: 19px; font-weight: 700; color: var(--c-primary); letter-spacing: .5px; }
.logo-text .en { font-size: 11px; color: var(--c-text-muted); letter-spacing: 1.5px; text-transform: uppercase; }

.menu { display: flex; align-items: center; gap: 4px; }
.menu > li > a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  border-radius: 8px;
  position: relative;
}
.menu > li > a:hover { color: var(--c-primary); }
.menu > li > a.active { color: var(--c-primary); }
.menu > li > a.active::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent-2));
  border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 20px; height: 2px; background: var(--c-text);
  transform: translate(-50%, -50%);
  transition: .3s;
}
.nav-toggle span::before { transform: translate(-50%, -7px); }
.nav-toggle span::after  { transform: translate(-50%, 7px); }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav-toggle.open span::after  { transform: translate(-50%, 0) rotate(-45deg); }

/* ===================== 页面横幅 ===================== */
.page-hero {
  position: relative;
  padding: 80px 0 70px;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(0, 184, 169, 0.25), transparent 60%),
    radial-gradient(900px 480px at 0% 110%, rgba(0, 168, 107, 0.20), transparent 60%),
    linear-gradient(135deg, #0a2a5e 0%, #0B3D91 55%, #1565C0 100%);
  color: #fff;
  overflow: hidden;
}
.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: linear-gradient(180deg, #000 30%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 18px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 8px; opacity: .6; }
.page-hero h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255,255,255,.85);
  max-width: 640px;
}

/* ===================== 通用区块 ===================== */
section { padding: 90px 0; }
.section-soft { background: var(--c-bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 600;
  margin-bottom: 14px;
  position: relative;
  padding: 0 26px;
}
.section-head .eyebrow::before,
.section-head .eyebrow::after {
  content: ""; position: absolute; top: 50%;
  width: 16px; height: 2px; background: var(--c-accent);
}
.section-head .eyebrow::before { left: 0; }
.section-head .eyebrow::after  { right: 0; }
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.section-head .desc { color: var(--c-text-soft); font-size: 16px; }

/* ===================== 首页 HERO ===================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 78% 20%, rgba(0, 184, 169, 0.30), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(0, 168, 107, 0.25), transparent 60%),
    linear-gradient(135deg, #07234d 0%, #0B3D91 50%, #0e4fb5 100%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
  pointer-events: none;
}
.hero-orb.o1 { width: 380px; height: 380px; background: #00B8A9; top: 8%; right: -6%; }
.hero-orb.o2 { width: 320px; height: 320px; background: #00A86B; bottom: 6%; left: -4%; }
.hero-inner { position: relative; z-index: 3; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  font-size: 13px;
  color: rgba(255,255,255,.9);
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-badge .dot { width: 7px; height: 7px; background: var(--c-accent); border-radius: 50%; box-shadow: 0 0 0 4px rgba(0,168,107,.3); }
.hero h1 {
  font-size: 56px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #6ee7d6, #00B8A9 60%, #00A86B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede {
  font-size: 18px;
  color: rgba(255,255,255,.85);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stats .num { font-size: 36px; font-weight: 700; color: #fff; line-height: 1; }
.hero-stats .num small { font-size: 18px; font-weight: 500; margin-left: 2px; }
.hero-stats .lab { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 8px; }

/* HERO 右侧视觉卡片 */
.hero-visual { position: relative; height: 460px; }
.hv-card {
  position: absolute;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 16px;
  backdrop-filter: blur(14px);
  padding: 18px 20px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.hv-card .ic {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  margin-bottom: 10px;
}
.hv-card .ic svg { width: 22px; height: 22px; }
.hv-card .t { font-size: 14px; font-weight: 600; }
.hv-card .s { font-size: 12px; color: rgba(255,255,255,.7); margin-top: 2px; }
.hv-card.c1 { top: 0; right: 18%; width: 200px; animation: float 6s ease-in-out infinite; }
.hv-card.c2 { top: 38%; right: 0; width: 220px; animation: float 7s ease-in-out infinite .8s; }
.hv-card.c3 { bottom: 0; left: 8%; width: 210px; animation: float 6.5s ease-in-out infinite .4s; }
.hv-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 320px; height: 320px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,.25);
  animation: spin 30s linear infinite;
}
.hv-ring::before {
  content: "";
  position: absolute;
  top: -6px; left: 50%;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--c-accent-2);
  box-shadow: 0 0 18px var(--c-accent-2);
  transform: translateX(-50%);
}
.hv-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 150px; height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #6ee7d6, #00B8A9 60%, #007f73);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 0 80px rgba(0, 184, 169, .55), inset 0 0 40px rgba(255,255,255,.25);
}
.hv-core svg { width: 60px; height: 60px; }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ===================== 业务卡片 ===================== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.biz-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 38px 30px 32px;
  overflow: hidden;
  transition: all .4s cubic-bezier(.2,.7,.3,1);
}
.biz-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.biz-card:hover::before { transform: scaleX(1); }
.biz-ic {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(11,61,145,.10), rgba(0,184,169,.12));
  color: var(--c-primary);
  margin-bottom: 22px;
  transition: all .4s ease;
}
.biz-ic svg { width: 32px; height: 32px; }
.biz-card:hover .biz-ic {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
  color: #fff;
  transform: rotate(-6deg) scale(1.05);
}
.biz-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--c-text); }
.biz-card p { color: var(--c-text-soft); font-size: 14.5px; margin-bottom: 18px; }
.biz-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.biz-tags span {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--c-bg-soft);
  color: var(--c-text-soft);
  border-radius: 50px;
  border: 1px solid var(--c-border);
}
.biz-card .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-primary);
}
.biz-card .more svg { width: 16px; height: 16px; transition: transform .3s; }
.biz-card:hover .more svg { transform: translateX(4px); }

/* ===================== 数据条 ===================== */
.stats-band {
  background:
    linear-gradient(135deg, #07234d, #0B3D91);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-band::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,184,169,.22), transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(0,168,107,.18), transparent 40%);
}
.stats-band .container { position: relative; z-index: 2; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat-item { text-align: center; }
.stat-item .num {
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(180deg, #fff, #9fd9ff);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat-item .num small { font-size: 22px; margin-left: 2px; }
.stat-item .lab { margin-top: 14px; font-size: 15px; color: rgba(255,255,255,.8); }
.stat-item .ic { width: 44px; height: 44px; margin: 0 auto 16px; color: var(--c-accent-2); }
.stat-item .ic svg { width: 100%; height: 100%; }

/* ===================== 关于区块 ===================== */
.about-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual { position: relative; }
.about-visual .img-mock {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3.2;
  background:
    radial-gradient(600px 300px at 70% 20%, rgba(110,231,214,.35), transparent 60%),
    linear-gradient(135deg, #0B3D91, #0a2350);
  position: relative;
}
.about-visual .img-mock::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.img-mock .mock-content {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  padding: 30px;
}
.img-mock .mock-content svg { width: 150px; height: 150px; opacity: .9; }
.about-visual .float-badge {
  position: absolute;
  bottom: -24px; right: -20px;
  background: #fff;
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
  display: flex; gap: 14px; align-items: center;
}
.float-badge .num { font-size: 30px; font-weight: 700; color: var(--c-primary); line-height: 1; }
.float-badge .lab { font-size: 13px; color: var(--c-text-soft); }
.float-badge .div { width: 1px; height: 38px; background: var(--c-border); }

.about-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 8px; }
.about-text .sub { color: var(--c-accent); font-weight: 600; margin-bottom: 22px; letter-spacing: 1px; }
.about-text p { color: var(--c-text-soft); margin-bottom: 18px; }
.about-list { display: grid; gap: 14px; margin: 26px 0 30px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; }
.about-list .ck {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  display: grid; place-items: center;
  color: #fff;
  margin-top: 2px;
}
.about-list .ck svg { width: 13px; height: 13px; }
.about-list b { color: var(--c-text); }

/* ===================== 解决方案 ===================== */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.sol-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--c-border);
  transition: all .4s;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sol-img {
  height: 180px;
  position: relative;
  overflow: hidden;
}
.sol-img .grad {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: rgba(255,255,255,.92);
}
.sol-img .grad svg { width: 64px; height: 64px; }
.sol-img.s1 { background: linear-gradient(135deg, #1565C0, #0B3D91); }
.sol-img.s2 { background: linear-gradient(135deg, #F5A623, #e8780b); }
.sol-img.s3 { background: linear-gradient(135deg, #00A86B, #007a4d); }
.sol-img.s4 { background: linear-gradient(135deg, #00B8A9, #007f73); }
.sol-img.s5 { background: linear-gradient(135deg, #6a5acd, #4634a8); }
.sol-img.s6 { background: linear-gradient(135deg, #2c3e50, #1a252f); }
.sol-img::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: 30px 30px;
}
.sol-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.sol-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.sol-body p { color: var(--c-text-soft); font-size: 14px; flex: 1; }
.sol-body .tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--c-accent);
  font-weight: 600;
  letter-spacing: 1px;
}

/* ===================== 新闻 ===================== */
.news-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; }
.news-feature {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(135deg, #07234d, #0B3D91);
  color: #fff;
  padding: 40px 36px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.news-feature::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(500px 280px at 80% 0%, rgba(0,184,169,.35), transparent 60%);
}
.news-feature > * { position: relative; z-index: 2; }
.news-feature .tag {
  display: inline-block;
  align-self: flex-start;
  padding: 5px 14px;
  background: var(--c-accent);
  color: #fff;
  font-size: 12px;
  border-radius: 50px;
  margin-bottom: 18px;
  font-weight: 600;
}
.news-feature h3 { font-size: 24px; line-height: 1.4; margin-bottom: 14px; }
.news-feature p { color: rgba(255,255,255,.78); font-size: 14.5px; margin-bottom: 22px; }
.news-feature .meta { font-size: 13px; color: rgba(255,255,255,.6); }

.news-list { display: grid; gap: 18px; }
.news-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-border);
  transition: all .3s;
  cursor: pointer;
}
.news-item:hover { padding-left: 8px; }
.news-item:hover h4 { color: var(--c-primary); }
.news-item .date {
  text-align: center;
  border-right: 1px solid var(--c-border);
  padding-right: 18px;
}
.news-item .date .d { font-size: 26px; font-weight: 700; color: var(--c-primary); line-height: 1; }
.news-item .date .m { font-size: 12px; color: var(--c-text-muted); margin-top: 6px; }
.news-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; transition: color .3s; }
.news-item p { font-size: 13.5px; color: var(--c-text-muted); }

/* ===================== 合作伙伴 ===================== */
.partners {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.partner {
  height: 96px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  display: grid; place-items: center;
  padding: 14px;
  text-align: center;
  transition: all .3s;
  color: var(--c-text-soft);
  font-weight: 600;
  font-size: 14px;
}
.partner:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.partner svg { width: 28px; height: 28px; margin-bottom: 6px; opacity: .8; }

/* ===================== CTA ===================== */
.cta-band {
  position: relative;
  background:
    radial-gradient(900px 400px at 90% 0%, rgba(0,184,169,.35), transparent 60%),
    linear-gradient(120deg, #07234d, #0B3D91 60%, #0e4fb5);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 60px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 100% 0%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 100% 0%, #000, transparent 70%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.82); max-width: 540px; }

/* ===================== 页脚 ===================== */
.footer {
  background: #07182f;
  color: rgba(255,255,255,.7);
  padding: 70px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text .zh { color: #fff; }
.footer-brand .desc {
  font-size: 14px;
  margin: 22px 0;
  line-height: 1.8;
  max-width: 320px;
}
.footer-contact li {
  display: flex; gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
}
.footer-contact svg { width: 16px; height: 16px; color: var(--c-accent-2); flex-shrink: 0; margin-top: 4px; }
.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 22px;
  font-weight: 600;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.65); transition: all .25s; }
.footer-links a:hover { color: var(--c-accent-2); padding-left: 4px; }
.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { transition: color .25s ease; }
.footer-bottom a:hover { color: var(--c-accent-2); }
.footer-bottom .links a { margin-left: 18px; }

/* ===================== 联系页 ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(135deg, #0B3D91, #0a2350);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 38px;
  position: relative;
  overflow: hidden;
}
.contact-info-card::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 90% 10%, rgba(0,184,169,.3), transparent 50%);
}
.contact-info-card > * { position: relative; z-index: 2; }
.contact-info-card h3 { font-size: 24px; margin-bottom: 10px; }
.contact-info-card .sub { color: rgba(255,255,255,.7); margin-bottom: 32px; }
.contact-detail { margin-bottom: 22px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-detail:last-child { border-bottom: none; }
.contact-detail .lab { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.contact-detail .lab svg { width: 15px; height: 15px; color: var(--c-accent-2); }
.contact-detail .val { font-size: 16px; color: #fff; font-weight: 500; line-height: 1.6; }

.contact-form {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 22px; margin-bottom: 8px; }
.contact-form .sub { color: var(--c-text-muted); margin-bottom: 28px; font-size: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--c-text);
}
.form-group label .req { color: #e74c3c; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 14.5px;
  background: var(--c-bg-soft);
  transition: all .25s;
  color: var(--c-text);
}
.form-control:focus {
  outline: none;
  border-color: var(--c-primary-light);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(21,101,192,.12);
}
textarea.form-control { resize: vertical; min-height: 120px; }

/* 地图占位 */
.map-mock {
  margin-top: 60px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-border);
  background:
    radial-gradient(circle at 60% 40%, rgba(0,184,169,.15), transparent 50%),
    linear-gradient(135deg, #e8f0fb, #f5f8fc);
  height: 380px;
  position: relative;
  display: grid; place-items: center;
}
.map-mock::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11,61,145,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,61,145,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map-pin {
  position: relative;
  text-align: center;
  z-index: 2;
}
.map-pin .pin {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  margin: 0 auto 14px;
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(11,61,145,.4);
  animation: bounce 2s ease-in-out infinite;
}
.map-pin .pin svg { width: 24px; height: 24px; color: #fff; transform: rotate(45deg); }
.map-pin .pin::after {
  content: "";
  position: absolute;
  bottom: -28px; left: 50%;
  width: 18px; height: 8px;
  background: rgba(11,61,145,.2);
  border-radius: 50%;
  transform: translateX(-50%);
  filter: blur(3px);
}
@keyframes bounce { 0%,100% { transform: rotate(-45deg) translateY(0); } 50% { transform: rotate(-45deg) translateY(-8px); } }
.map-pin .lbl { background: #fff; padding: 10px 18px; border-radius: 10px; box-shadow: var(--shadow-md); font-size: 14px; font-weight: 600; color: var(--c-text); }

/* ===================== 关于页 - 时间线 ===================== */
.timeline {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent-2));
  transform: translateX(-50%);
}
.tl-item {
  position: relative;
  width: 50%;
  padding: 0 50px 50px 0;
  left: 0;
  text-align: right;
}
.tl-item:nth-child(even) {
  left: 50%;
  text-align: left;
  padding: 0 0 50px 50px;
}
.tl-item .dot {
  position: absolute;
  top: 4px;
  right: -9px;
  width: 18px; height: 18px;
  background: #fff;
  border: 3px solid var(--c-primary);
  border-radius: 50%;
  z-index: 2;
}
.tl-item:nth-child(even) .dot { right: auto; left: -9px; border-color: var(--c-accent); }
.tl-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 24px 26px;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.tl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.tl-card .year {
  display: inline-block;
  font-size: 22px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.tl-item:nth-child(even) .tl-card .year { color: var(--c-accent); }
.tl-card h4 { font-size: 16px; margin-bottom: 8px; }
.tl-card p { font-size: 14px; color: var(--c-text-soft); }

/* 文化卡片 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.culture-card {
  text-align: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  transition: all .3s;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.culture-ic {
  width: 72px; height: 72px;
  margin: 0 auto 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(11,61,145,.08), rgba(0,184,169,.1));
  color: var(--c-primary);
}
.culture-ic svg { width: 32px; height: 32px; }
.culture-card h4 { font-size: 19px; margin-bottom: 8px; font-weight: 700; }
.culture-card .en { font-size: 12px; color: var(--c-accent); letter-spacing: 2px; margin-bottom: 12px; text-transform: uppercase; }
.culture-card p { font-size: 14px; color: var(--c-text-soft); }

/* 组织架构 */
.org-tree {
  text-align: center;
  padding: 30px 0;
}
.org-node {
  display: inline-block;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: #fff;
  border-radius: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  position: relative;
}
.org-lvl {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 50px;
  position: relative;
  flex-wrap: wrap;
}
.org-lvl::before {
  content: "";
  position: absolute;
  top: -50px; left: 50%;
  width: 2px; height: 50px;
  background: var(--c-line);
}
.org-cell {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 16px 22px;
  min-width: 150px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.org-cell:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-accent-2); }
.org-cell::before {
  content: "";
  position: absolute;
  top: -30px; left: 50%;
  width: 2px; height: 30px;
  background: var(--c-line);
}
.org-cell h5 { font-size: 15px; color: var(--c-primary); font-weight: 600; }
.org-cell p { font-size: 12px; color: var(--c-text-muted); margin-top: 4px; }

/* 业务页 - 详情区块 */
.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 90px;
}
.detail-row:last-child { margin-bottom: 0; }
.detail-row.reverse .detail-visual { order: 2; }
.detail-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 5 / 4;
  position: relative;
  display: grid; place-items: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.detail-visual::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 36px 36px;
}
.detail-visual svg { width: 120px; height: 120px; position: relative; z-index: 2; opacity: .9; }
.detail-visual.v1 { background: linear-gradient(135deg, #1565C0, #0B3D91); }
.detail-visual.v2 { background: linear-gradient(135deg, #F5A623, #e8780b); }
.detail-visual.v3 { background: linear-gradient(135deg, #00A86B, #007a4d); }
.detail-visual.v4 { background: linear-gradient(135deg, #00B8A9, #007f73); }
.detail-visual.v5 { background: linear-gradient(135deg, #6a5acd, #4634a8); }
.detail-text .num-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.detail-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 18px; }
.detail-text > p { color: var(--c-text-soft); margin-bottom: 22px; }
.detail-features { display: grid; gap: 14px; }
.detail-features li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 18px;
  background: var(--c-bg-soft);
  border-radius: 10px;
  border-left: 3px solid var(--c-accent);
}
.detail-features svg { width: 20px; height: 20px; color: var(--c-accent); flex-shrink: 0; margin-top: 2px; }
.detail-features b { display: block; font-size: 14.5px; margin-bottom: 2px; }
.detail-features span { font-size: 13px; color: var(--c-text-muted); }

/* 业务能力数据 */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cap-card {
  text-align: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  transition: all .3s;
}
.cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.cap-card .num {
  font-size: 40px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  line-height: 1;
}
.cap-card .num small { font-size: 18px; }
.cap-card .lab { margin-top: 12px; font-size: 14px; color: var(--c-text-soft); }

/* ===================== 新闻列表页 ===================== */
.news-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.news-tab {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text-soft);
  background: #fff;
  border: 1px solid var(--c-border);
  cursor: pointer;
  transition: all .25s;
}
.news-tab:hover { color: var(--c-primary); border-color: var(--c-primary); }
.news-tab.active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

.news-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s;
  cursor: pointer;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card .nc-img {
  height: 180px;
  position: relative;
  display: grid; place-items: center;
  color: rgba(255,255,255,.92);
}
.news-card .nc-img svg { width: 56px; height: 56px; }
.news-card .nc-img::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.nc-img.n1 { background: linear-gradient(135deg, #1565C0, #0B3D91); }
.nc-img.n2 { background: linear-gradient(135deg, #00A86B, #007a4d); }
.nc-img.n3 { background: linear-gradient(135deg, #F5A623, #e8780b); }
.nc-img.n4 { background: linear-gradient(135deg, #00B8A9, #007f73); }
.nc-img.n5 { background: linear-gradient(135deg, #6a5acd, #4634a8); }
.nc-img.n6 { background: linear-gradient(135deg, #2c3e50, #1a252f); }
.nc-img .cat {
  position: absolute; top: 14px; left: 14px;
  padding: 4px 12px;
  background: rgba(255,255,255,.95);
  color: var(--c-primary);
  font-size: 12px;
  border-radius: 50px;
  font-weight: 600;
  z-index: 2;
}
.news-card .nc-body { padding: 24px 24px 28px; }
.news-card .nc-date { font-size: 13px; color: var(--c-text-muted); margin-bottom: 10px; }
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover h3 { color: var(--c-primary); }
.news-card p {
  font-size: 13.5px;
  color: var(--c-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pagination {
  margin-top: 50px;
  display: flex;
  gap: 8px;
  justify-content: center;
}
.pagination a {
  min-width: 40px; height: 40px;
  display: grid; place-items: center;
  padding: 0 14px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--c-text-soft);
}
.pagination a:hover, .pagination a.active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* ===================== 滚动显现动画 ===================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.3,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }

/* ===================== 响应式 ===================== */
@media (max-width: 1080px) {
  .hero h1 { font-size: 46px; }
  .biz-grid, .sol-grid, .news-cards { grid-template-columns: repeat(2, 1fr); }
  .cap-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .partners { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .menu {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 14px 20px 24px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-130%);
    transition: transform .35s ease;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .menu.open { transform: translateY(0); }
  .menu > li > a { padding: 14px 16px; border-radius: 10px; }
  .menu > li > a.active::after { display: none; }
  .menu > li > a.active { background: var(--c-bg-soft); }
  .nav-toggle { display: block; }
  .nav-cta .btn-outline { display: none; }

  .hero { min-height: auto; padding: 60px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .hero .lede { font-size: 16px; }
  .hero-visual { height: 340px; }
  .hv-core { width: 110px; height: 110px; }
  .hv-core svg { width: 44px; height: 44px; }
  .hv-ring { width: 240px; height: 240px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .hero-stats .num { font-size: 26px; }

  section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero { padding: 56px 0 48px; }
  .page-hero h1 { font-size: 30px; }

  .about-row, .detail-row { grid-template-columns: 1fr; gap: 36px; }
  .detail-row.reverse .detail-visual { order: 0; }
  .news-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; }
  .stat-item .num { font-size: 38px; }

  .biz-grid, .sol-grid, .news-cards, .cap-grid, .culture-grid { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(2, 1fr); }

  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }

  .timeline::before { left: 18px; }
  .tl-item, .tl-item:nth-child(even) {
    width: 100%; left: 0;
    padding: 0 0 36px 50px;
    text-align: left;
  }
  .tl-item .dot, .tl-item:nth-child(even) .dot {
    left: 9px; right: auto;
  }
}
