/* =========================================================
   深圳舟航信息科技有限公司 - 企业官网
   设计风格：简约大气
   ========================================================= */

:root {
  --primary: #0a3d91;
  --primary-600: #1d4ed8;
  --primary-500: #2563eb;
  --accent: #0ea5e9;
  --dark: #0b1f3a;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e6ebf2;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;

  --radius: 16px;
  --radius-sm: 10px;

  --shadow-sm: 0 1px 3px rgba(11, 31, 58, .07);
  --shadow: 0 10px 30px rgba(11, 31, 58, .08);
  --shadow-lg: 0 22px 50px rgba(11, 31, 58, .14);

  --maxw: 1200px;
  --header-h: 76px;

  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  /* 主题切换过渡 */
  color-scheme: light;
  transition: background-color .3s ease, color .3s ease;
}

/* ---------- 暗黑模式 ---------- */
[data-theme="dark"] {
  --primary: #4f8cff;
  --primary-600: #3b78f0;
  --primary-500: #60a5fa;
  --accent: #38bdf8;
  --dark: #e2e8f0;
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --line: #1e293b;
  --bg: #0a1428;
  --bg-soft: #0f1d36;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  --shadow-lg: 0 22px 50px rgba(0, 0, 0, .55);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary: #4f8cff;
    --primary-600: #3b78f0;
    --primary-500: #60a5fa;
    --accent: #38bdf8;
    --dark: #e2e8f0;
    --ink: #e2e8f0;
    --muted: #94a3b8;
    --line: #1e293b;
    --bg: #0a1428;
    --bg-soft: #0f1d36;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
    --shadow: 0 10px 30px rgba(0, 0, 0, .45);
    --shadow-lg: 0 22px 50px rgba(0, 0, 0, .55);
    color-scheme: dark;
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .35s ease, color .35s ease;
}

/* ---------- 主题切换按钮 ---------- */
.theme-toggle {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  cursor: pointer;
  margin-left: 12px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.theme-toggle:hover { background: var(--bg-soft); border-color: var(--primary-500); transform: rotate(15deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- 语言切换 ---------- */
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px; height: 36px;
  border: 1px solid var(--line); border-radius: 10px;
  color: var(--ink); font-size: 13px; font-weight: 600; letter-spacing: .5px;
  margin-left: 12px;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.lang-switch:hover { background: var(--bg-soft); border-color: var(--primary-500); color: var(--primary-500); }

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent));
  width: 0%; z-index: 1000; transition: width .1s linear;
}

/* ---------- 焦点环（A11y）---------- */
.skip-link {
  position: absolute; top: -100px; left: 12px;
  background: var(--primary-500); color: #fff;
  padding: 10px 18px; border-radius: 8px;
  font-size: 14px; font-weight: 600; z-index: 9999;
  transition: top .25s ease;
}
.skip-link:focus { top: 12px; }
:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 暗色模式下的特殊调整 ---------- */
[data-theme="dark"] .industry-item,
[data-theme="dark"] .feature,
[data-theme="dark"] .service-card,
[data-theme="dark"] .timeline-item,
[data-theme="dark"] .value-card,
[data-theme="dark"] .process-step {
  background: rgba(255,255,255,.03);
  border-color: rgba(255,255,255,.08);
}
[data-theme="dark"] .industry-item:hover,
[data-theme="dark"] .feature:hover,
[data-theme="dark"] .service-card:hover {
  background: rgba(255,255,255,.06);
}
[data-theme="dark"] .nav-links a:hover { background: rgba(255,255,255,.06); }
[data-theme="dark"] .nav-links a.active { background: rgba(96,165,250,.15) !important; color: var(--primary-500) !important; }
[data-theme="dark"] .map-info-overlay {
  background: rgba(15, 29, 54, .92);
  color: #e2e8f0;
}
[data-theme="dark"] .map-info-overlay h4 { color: #e2e8f0; }
[data-theme="dark"] .map-info-overlay p { color: #94a3b8; }

/* ---------- 按钮 ripple 微交互 ---------- */
.btn { position: relative; overflow: hidden; }
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.55);
  pointer-events: none;
  transform: scale(0);
  animation: ripple-anim .6s linear;
  z-index: 1;
}
@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

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

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

/* ---------- 通用组件 ---------- */
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }

.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary-500);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: .5px;
  line-height: 1.25;
}
.section-head p { margin-top: 16px; color: var(--muted); font-size: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .28s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary-500);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28);
}
.btn--primary:hover { background: var(--primary-600); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37, 99, 235, .36); }
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255,255,255,.7); }
.btn--outline {
  background: #fff;
  color: var(--primary-500);
  border-color: var(--line);
}
.btn--outline:hover { border-color: var(--primary-500); color: var(--primary-600); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-logo svg { width: 24px; height: 24px; }
.brand-name { line-height: 1.15; }
.brand-name b { display: block; font-size: 17px; color: #fff; letter-spacing: 1px; transition: color .3s ease; }
.brand-name span { font-size: 11px; color: rgba(255,255,255,.72); letter-spacing: .5px; transition: color .3s ease; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 18px;
  font-size: 15px;
  color: rgba(255, 255, 255, .86);
  border-radius: 50px;
  transition: all .25s ease;
  position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; background: rgba(255,255,255,.14); }
.nav-cta { margin-left: 10px; }
.nav-cta .btn { padding: 11px 24px; font-size: 14px; }

/* 滚动后变白 */
.site-header.scrolled {
  background: #fff;
  box-shadow: 0 6px 24px rgba(11, 31, 58, .08);
}
.site-header.scrolled .brand-name b { color: var(--dark); }
.site-header.scrolled .brand-name span { color: var(--muted); }
.site-header.scrolled .nav-links a { color: var(--ink); }
.site-header.scrolled .nav-links a:hover { color: var(--primary-500); }
.site-header.scrolled .nav-links a.active { color: var(--primary-500); background: rgba(37, 99, 235, .08); }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: none; background: transparent; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px; transition: all .3s ease;
}
.site-header.scrolled .nav-toggle span { background: var(--dark); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  color: #fff;
  background-color: #081a33;
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(14, 165, 233, .35), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(37, 99, 235, .45), transparent 55%),
    linear-gradient(160deg, rgba(8,26,51,.55), rgba(10,61,145,.7)),
    url('../images/Modern_dark_blue_data_center_i_2026-09-08T02-11-22.png');
  background-size: auto, auto, 100% 100%, cover;
  background-position: center, center, center, center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.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: 56px 56px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 820px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2px;
  color: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.22);
  padding: 8px 18px; border-radius: 50px;
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #60a5fa, #38bdf8); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,.82); max-width: 620px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  position: relative; z-index: 2;
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.16);
  padding-top: 36px;
}
.hero-stats .stat b { display: block; font-size: 34px; font-weight: 700; color: #fff; }
.hero-stats .stat b i { font-style: normal; font-size: 20px; color: #7dd3fc; margin-left: 2px; }
.hero-stats .stat span { font-size: 14px; color: rgba(255,255,255,.68); }

/* ---------- 页面内页 hero ---------- */
.page-hero {
  position: relative;
  padding: 160px 0 90px;
  color: #fff;
  background-color: #081a33;
  background-image:
    radial-gradient(900px 460px at 88% -10%, rgba(14, 165, 233, .35), transparent 60%),
    linear-gradient(160deg, rgba(8,26,51,.6), rgba(10,61,145,.75)),
    url('../images/Abstract_futuristic_technology_2026-09-08T02-13-00.png');
  background-size: auto, 100% 100%, cover;
  background-position: center, center, center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  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, transparent, #000);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 700; letter-spacing: 1px; }
.page-hero p { margin-top: 16px; max-width: 640px; color: rgba(255,255,255,.8); font-size: 17px; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 20px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: #7dd3fc; }

/* ---------- 首页核心业务卡片 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: all .32s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent));
  opacity: 0; transition: opacity .32s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.12));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-500);
  margin-bottom: 22px;
}
.service-icon svg { width: 30px; height: 30px; }
.service-card h3 { font-size: 20px; color: var(--dark); margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.service-card .link { font-size: 14px; font-weight: 600; color: var(--primary-500); display: inline-flex; align-items: center; gap: 6px; }
.service-card .link svg { width: 16px; height: 16px; transition: transform .25s ease; }
.service-card:hover .link svg { transform: translateX(4px); }

/* ---------- 优势 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  transition: all .3s ease;
}
.feature:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.feature .f-icon {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.feature .f-icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 17px; color: var(--dark); margin-bottom: 6px; }
.feature p { font-size: 14px; color: var(--muted); }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: 24px;
  padding: 60px 56px;
  color: #fff;
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(14,165,233,.4), transparent 60%),
    linear-gradient(135deg, #0a2b55, #0a3d91);
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 700; letter-spacing: .5px; }
.cta-banner p { margin-top: 10px; color: rgba(255,255,255,.8); font-size: 16px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #071a33; color: rgba(255,255,255,.7); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 50px; }
.footer-brand .brand-name b { color: #fff; }
.footer-brand .brand-name span { color: rgba(255,255,255,.6); }
.footer-brand p { margin-top: 18px; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.62); max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 20px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.62); transition: color .25s ease; }
.footer-col ul a:hover { color: #7dd3fc; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; margin-bottom: 14px; color: rgba(255,255,255,.62); }
.footer-contact li svg { width: 18px; height: 18px; color: #7dd3fc; flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: rgba(255,255,255,.5);
}

/* ---------- 关于我们 ---------- */
.about-intro { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.about-intro h2 { font-size: clamp(26px, 3.6vw, 36px); color: var(--dark); margin-bottom: 20px; }
.about-intro p { color: var(--muted); margin-bottom: 16px; }
.about-visual {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(150deg, #0a2b55, #0a3d91);
  padding: 40px;
  color: #fff;
  overflow: hidden;
  min-height: 320px;
  display: flex; flex-direction: column; justify-content: center;
}
.about-visual::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
}
.about-visual h3 { font-size: 22px; margin-bottom: 12px; position: relative; z-index: 2; }
.about-visual p { color: rgba(255,255,255,.82); position: relative; z-index: 2; }
.about-visual .tag-row { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.about-visual .tag {
  padding: 8px 16px; border-radius: 50px; font-size: 13px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18);
}

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; text-align: center; transition: all .3s ease;
}
.value-card:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.value-card .v-icon {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.12));
  display: flex; align-items: center; justify-content: center; color: var(--primary-500);
}
.value-card .v-icon svg { width: 28px; height: 28px; }
.value-card h3 { font-size: 18px; color: var(--dark); margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--muted); }

/* 发展历程 timeline */
.timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 32px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline-item { position: relative; padding-bottom: 38px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -32px; top: 5px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 4px solid var(--primary-500);
}
.timeline-item .year { font-size: 13px; font-weight: 700; color: var(--primary-500); letter-spacing: 1px; }
.timeline-item h4 { font-size: 18px; color: var(--dark); margin: 4px 0 8px; }
.timeline-item p { font-size: 14.5px; color: var(--muted); }

/* ---------- 产品服务页 ---------- */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 40px 0; }
.service-block:nth-child(even) .s-visual { order: 2; }
.s-visual {
  border-radius: 20px; padding: 36px;
  color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #0a2b55, #0a3d91);
  min-height: 260px; display: flex; flex-direction: column; justify-content: center;
}
.s-visual::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
}
.s-visual .s-icon {
  width: 60px; height: 60px; border-radius: 16px; margin-bottom: 18px;
  background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
}
.s-visual .s-icon svg { width: 32px; height: 32px; }
.s-visual h3 { font-size: 22px; margin-bottom: 10px; position: relative; z-index: 2; }
.s-visual p { color: rgba(255,255,255,.82); font-size: 15px; position: relative; z-index: 2; }
.s-detail h3 { font-size: 24px; color: var(--dark); margin-bottom: 16px; }
.s-detail p { color: var(--muted); margin-bottom: 22px; }
.s-list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; font-size: 15px; color: var(--ink); }
.s-list li svg { width: 20px; height: 20px; color: var(--primary-500); flex-shrink: 0; margin-top: 2px; }

/* 流程 */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process-step { text-align: center; padding: 30px 22px; }
.process-step .p-num {
  width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.process-step h4 { font-size: 16px; color: var(--dark); margin-bottom: 8px; }
.process-step p { font-size: 13.5px; color: var(--muted); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; transition: all .3s ease;
}
.contact-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.contact-item .c-icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.12));
  color: var(--primary-500); display: flex; align-items: center; justify-content: center;
}
.contact-item .c-icon svg { width: 24px; height: 24px; }
.contact-item h4 { font-size: 15px; color: var(--muted); margin-bottom: 4px; }
.contact-item p { font-size: 16px; color: var(--dark); font-weight: 500; }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 34px; box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 22px; color: var(--dark); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 14px; color: var(--ink); margin-bottom: 8px; font-weight: 500; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-size: 15px; font-family: inherit; color: var(--ink);
  background: #fafbfd; transition: border-color .25s ease, box-shadow .25s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12); background: #fff;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-msg { display: none; margin-top: 16px; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14px; }
.form-msg.success { display: block; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.form-msg.error { display: block; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* 地图区域 */
.map-section {
  margin-top: 56px;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: #f1f5f9;
}
.tmap-container { width: 100%; height: 460px; }
.map-info-overlay {
  position: absolute; left: 24px; bottom: 24px; z-index: 5;
  background: #fff; padding: 18px 22px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow); max-width: 360px;
  display: flex; gap: 14px; align-items: flex-start;
}
.map-info-overlay .map-info-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.map-info-overlay .map-info-icon svg { width: 22px; height: 22px; }
.map-info-overlay strong { display: block; font-size: 15px; color: var(--dark); margin-bottom: 4px; }
.map-info-overlay p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.map-info-overlay a.map-link {
  display: inline-block; margin-top: 8px; font-size: 13px; color: var(--primary-500); font-weight: 600;
}

/* ---------- 服务行业 ---------- */
.industries-section {
  position: relative;
  border-radius: 24px;
  padding: 56px 52px;
  color: #fff;
  background:
    radial-gradient(700px 360px at 100% 0%, rgba(14,165,233,.32), transparent 60%),
    linear-gradient(135deg, #0a2b55, #0a3d91);
  overflow: hidden;
}
.industries-section::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}
.industries-section .industries-head { position: relative; z-index: 2; max-width: 600px; margin-bottom: 32px; }
.industries-section .industries-head h2 { font-size: clamp(24px, 3.4vw, 32px); font-weight: 700; letter-spacing: .5px; }
.industries-section .industries-head p { margin-top: 10px; color: rgba(255,255,255,.78); font-size: 15px; }
.industries-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.industry-item {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  font-size: 15px; color: #fff; font-weight: 500;
  transition: all .3s ease;
}
.industry-item:hover { background: rgba(255,255,255,.16); transform: translateY(-3px); }
.industry-item svg { width: 22px; height: 22px; color: #7dd3fc; flex-shrink: 0; }

/* ---------- 合作伙伴 ---------- */
.partners-block {
  display: flex; align-items: center; gap: 24px;
  padding: 26px 32px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 56px;
}
.partners-label {
  flex-shrink: 0; padding-right: 22px;
  border-right: 1px solid var(--line);
  font-size: 14px; font-weight: 600; color: var(--muted);
  letter-spacing: 1px;
}
.partners-grid {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px; flex: 1;
}
.partner-logo {
  position: relative;
  height: 60px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px; font-weight: 700; color: var(--ink);
  letter-spacing: .5px;
  overflow: hidden;
  transition: all .28s ease;
}
.partner-logo::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--primary-500); opacity: 0; transition: opacity .28s ease;
}
.partner-logo:hover {
  background: #fff;
  border-color: var(--primary-500);
  color: var(--primary-500);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.partner-logo:hover::before { opacity: 1; }

/* ---------- 案例卡片 ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
  transition: all .32s ease;
}
.case-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.case-card:hover::before { transform: scaleX(1); }
.case-card .case-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 50px;
  font-size: 12px; font-weight: 600;
  background: rgba(37,99,235,.08); color: var(--primary-500);
  margin-bottom: 18px; letter-spacing: .5px;
}
.case-card .case-tag svg { width: 14px; height: 14px; }
.case-card h3 { font-size: 19px; color: var(--dark); margin-bottom: 22px; line-height: 1.45; }
.case-card .meta-row { display: flex; gap: 12px; margin-bottom: 12px; font-size: 14px; line-height: 1.6; }
.case-card .meta-row:last-child { margin-bottom: 0; }
.case-card .meta-label {
  flex-shrink: 0; color: var(--muted); font-weight: 500;
  background: var(--bg-soft); padding: 2px 10px; border-radius: 6px;
  font-size: 12px; height: 22px; line-height: 18px;
}
.case-card .meta-value { color: var(--ink); }

/* ---------- 客户证言 ---------- */
.testimonial-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.testimonial-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 32px; position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.quote-icon { width: 36px; height: 36px; color: var(--primary-500); margin-bottom: 18px; }
.quote-icon svg { width: 100%; height: 100%; }
.testimonial-text {
  color: var(--ink); font-size: 15px; line-height: 1.85; margin-bottom: 24px;
  position: relative; padding-top: 8px;
}
.testimonial-meta { display: flex; align-items: center; gap: 14px; padding-top: 18px; border-top: 1px solid var(--line); }
.testimonial-meta .avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 18px;
}
.testimonial-meta strong { display: block; color: var(--ink); font-size: 15px; margin-bottom: 2px; }
.testimonial-meta span { color: var(--muted); font-size: 13px; }

/* ---------- 资质证书 ---------- */
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cert-item {
  text-align: center; padding: 36px 20px;
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cert-item:hover { transform: translateY(-4px); border-color: var(--primary-500); box-shadow: var(--shadow); }
.cert-badge {
  width: 64px; height: 64px; margin: 0 auto 16px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.1));
  color: var(--primary-500);
}
.cert-badge svg { width: 30px; height: 30px; }
.cert-item h4 { font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.cert-item p { font-size: 13px; color: var(--muted); }
.cert-tip { text-align: center; color: var(--muted); font-size: 13px; margin-top: 24px; }

/* ---------- 核心团队 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 24px; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 600;
  box-shadow: 0 10px 30px rgba(37, 99, 235, .25);
}
.team-card h4 { font-size: 18px; color: var(--ink); margin-bottom: 4px; }
.team-role { color: var(--primary-500); font-size: 13px; margin-bottom: 14px; }
.team-bio { color: var(--muted); font-size: 13.5px; line-height: 1.7; margin-bottom: 16px; min-height: 70px; }
.team-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.team-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: var(--bg-soft); color: var(--ink); border: 1px solid var(--line);
}

/* ---------- 服务套餐 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.pricing-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 32px; position: relative;
  display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pricing-card--featured { border-color: var(--primary-500); box-shadow: var(--shadow); transform: scale(1.02); }
.pricing-card--featured:hover { transform: scale(1.02) translateY(-6px); }
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-500), var(--accent));
  color: #fff; padding: 6px 18px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: .5px;
}
.pricing-name { font-size: 14px; color: var(--muted); letter-spacing: 1px; margin-bottom: 8px; text-transform: uppercase; }
.pricing-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 6px; }
.pricing-price strong { font-size: 38px; font-weight: 700; color: var(--ink); }
.pricing-price .unit { color: var(--muted); font-size: 14px; }
.pricing-desc { color: var(--muted); font-size: 13px; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.pricing-features { flex: 1; margin-bottom: 28px; }
.pricing-features li {
  padding: 10px 0; color: var(--ink); font-size: 14px;
  display: flex; align-items: flex-start; gap: 10px;
  border-bottom: 1px dashed var(--line);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before {
  content: "✓"; color: var(--primary-500); font-weight: 700; flex-shrink: 0;
}
.pricing-cta { width: 100%; text-align: center; }

/* ---------- 新闻动态 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .3s ease, box-shadow .3s ease;
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-cover {
  height: 180px;
  background-size: cover; background-position: center;
  position: relative;
}
.news-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10, 61, 145, .85), rgba(14, 165, 233, .65));
}
.news-cover-1 { background: linear-gradient(135deg, #0a3d91, #0ea5e9); }
.news-cover-2 { background: linear-gradient(135deg, #1d4ed8, #38bdf8); }
.news-cover-3 { background: linear-gradient(135deg, #312e81, #6366f1); }
.news-cover-tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  background: rgba(255, 255, 255, .95); color: var(--primary-500);
  padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.news-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.news-date { color: var(--muted); font-size: 13px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.news-date::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.news-title {
  font-size: 18px; color: var(--ink); font-weight: 600; line-height: 1.5;
  margin-bottom: 12px; flex: 1;
}
.news-excerpt { color: var(--muted); font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.news-link {
  color: var(--primary-500); font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 4px;
}
.news-link::after { content: "→"; transition: transform .25s ease; }
.news-card:hover .news-link::after { transform: translateX(4px); }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.visible { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .services-grid, .features-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .service-block { grid-template-columns: 1fr; gap: 30px; }
  .service-block:nth-child(even) .s-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .industries-section { padding: 40px 32px; }
  .partners-block { flex-direction: column; align-items: stretch; gap: 16px; padding: 24px; }
  .partners-label { border-right: none; border-bottom: 1px solid var(--line); padding-right: 0; padding-bottom: 12px; text-align: center; }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 24px 24px; gap: 4px;
    box-shadow: 0 20px 40px rgba(11,31,58,.14);
    transform: translateY(-130%);
    transition: transform .35s ease;
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { color: var(--ink) !important; padding: 14px 16px; border-radius: 12px; }
  .nav-links a:hover { background: var(--bg-soft); }
  .nav-links a.active { color: var(--primary-500) !important; background: rgba(37,99,235,.08) !important; }
  .nav-cta { margin: 10px 0 0; }
  .nav-cta .btn { width: 100%; }
  .services-grid, .features-grid, .value-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 40px 28px; }
  .hero { padding: 120px 0 70px; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-section { padding: 36px 24px; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .tmap-container { height: 360px; }
  .map-info-overlay { left: 16px; right: 16px; bottom: 16px; max-width: none; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats .stat b { font-size: 26px; }
  .industries-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid, .certs-grid, .news-grid, .pricing-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-6px); }
}

@media (max-width: 992px) {
  .testimonial-grid, .certs-grid, .news-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}