/* =====================================================
   91浏览器 官方网站 - 全局样式表
   风格：深空蓝 + 电光蓝 + 薄荷绿，科技感与安全感并存
   ===================================================== */

:root {
  --ink: #07112b;
  --ink-2: #0d1c3d;
  --ink-3: #14284f;
  --primary: #2f6bff;
  --primary-dark: #1b47c9;
  --primary-soft: #e8efff;
  --accent: #00d3b8;
  --accent-soft: #e0fbf6;
  --text: #16203c;
  --muted: #5d6b8a;
  --line: #e4e9f4;
  --bg: #ffffff;
  --surface: #f5f8ff;
  --surface-2: #eef3ff;
  --white: #ffffff;
  --success: #16a374;
  --warning: #f0a020;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 4px 14px rgba(16, 34, 78, 0.06);
  --shadow: 0 16px 40px rgba(16, 34, 78, 0.1);
  --shadow-lg: 0 30px 70px rgba(10, 24, 60, 0.16);
  --container: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--primary-dark); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: rgba(47, 107, 255, 0.18); }

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.section-title {
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.section-sub {
  margin-top: 14px;
  max-width: 680px;
  color: var(--muted);
  font-size: 17px;
}
.section-head { margin-bottom: 52px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin-inline: auto; }
.text-accent { color: var(--primary); }

section { position: relative; }
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }
.bg-surface { background: var(--surface); }
.bg-ink { background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 60%, #0a1e46 100%); color: #dbe4ff; }
.bg-ink .section-title { color: #fff; }
.bg-ink .section-sub { color: #a9b8dd; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  will-change: transform;
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, #4b8bff 55%, var(--accent) 160%);
  box-shadow: 0 12px 30px rgba(47, 107, 255, 0.32);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(47, 107, 255, 0.42);
}
.btn-ghost {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { transform: translateY(-3px); box-shadow: var(--shadow); color: var(--ink); }
.btn-outline-light {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.16); color: #fff; transform: translateY(-3px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(228, 233, 244, 0.9);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 8px 30px rgba(16, 34, 78, 0.09); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark {
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--primary) 0%, #4d8dff 60%, var(--accent) 140%);
  box-shadow: 0 10px 24px rgba(47, 107, 255, 0.32);
}
.brand-mark span {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 0.02em; }
.brand-tagline { font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.08em; }

.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a {
  display: block;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: #35405e;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.nav-list a:hover { background: var(--surface-2); color: var(--primary); }
.nav-list a.active { color: var(--primary); background: var(--primary-soft); }
.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: background 0.2s linear;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.is-active span { background: transparent; }
.nav-toggle.is-active span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-active span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 100px;
  background:
    radial-gradient(900px 520px at 78% 6%, rgba(0, 211, 184, 0.16), transparent 62%),
    radial-gradient(760px 520px at 8% 18%, rgba(47, 107, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 72%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(47, 107, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 107, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 56px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--primary) 10%, #38a8ff 48%, var(--accent) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  margin-top: 22px;
  max-width: 560px;
  font-size: 17.5px;
  color: var(--muted);
}
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13.5px;
  color: var(--muted);
}
.hero-meta li { display: flex; align-items: center; gap: 7px; }
.hero-meta .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.hero-visual { position: relative; }
.hero-visual .shot {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  animation: floatY 7s ease-in-out infinite;
}
.hero-visual .shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.hero-visual .shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(47, 107, 255, 0.12), transparent 55%);
}
.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.9);
  animation: floatY 5.5s ease-in-out infinite;
}
.float-card i {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 13px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.float-card.card-a { top: 8%; left: -26px; animation-delay: -1.5s; }
.float-card.card-b { bottom: 12%; right: -18px; animation-delay: -3s; }
.float-card small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------- 数据条 ---------- */
.stats-strip {
  margin-top: -46px;
  position: relative;
  z-index: 3;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.stat {
  background: #fff;
  padding: 28px 24px;
  text-align: center;
}
.stat b {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat span { font-size: 13.5px; color: var(--muted); }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #cfdcf7; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  position: relative;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: #d6e2fb; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  background: linear-gradient(140deg, var(--primary-soft), #fff);
  border: 1px solid #dbe6ff;
  color: var(--primary);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--muted); }
.feature-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 4px 12px;
}

/* ---------- 服务介绍 ---------- */
.service-list { display: grid; gap: 20px; }
.service-item {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.service-item:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); }
.service-no {
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.06em;
  border-right: 1px solid var(--line);
  padding-right: 22px;
}
.service-item h3 { font-size: 18px; color: var(--ink); margin-bottom: 6px; }
.service-item p { font-size: 14.5px; color: var(--muted); }
.service-item .go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- 分栏内容 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 11;
  object-fit: cover;
}
.check-list { margin-top: 26px; display: grid; gap: 14px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text);
}
.check-list li::before {
  content: "✓";
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--success);
  background: rgba(22, 163, 116, 0.12);
  margin-top: 4px;
}

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 64px clamp(24px, 5vw, 72px);
  background:
    radial-gradient(600px 300px at 85% 0%, rgba(0, 211, 184, 0.28), transparent 60%),
    linear-gradient(135deg, #0a1c46 0%, #123066 55%, #0b2a5c 100%);
  box-shadow: var(--shadow-lg);
  color: #fff;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; line-height: 1.3; color: #fff; }
.cta-band p { margin-top: 14px; color: #b9c9ef; max-width: 620px; margin-inline: auto; }
.cta-actions { margin-top: 30px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- 新闻 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card .thumb { position: relative; overflow: hidden; }
.news-card .thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.6s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.05); }
.news-card .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(10, 26, 66, 0.72);
  backdrop-filter: blur(6px);
  padding: 5px 12px;
  border-radius: 999px;
}
.news-body { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-body time { font-size: 12.5px; color: var(--muted); letter-spacing: 0.04em; }
.news-body h3 { font-size: 18px; line-height: 1.5; color: var(--ink); font-weight: 700; }
.news-body h3 a { color: inherit; }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 14px; color: var(--muted); flex: 1; }
.news-body .more { font-size: 13.5px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; max-width: 900px; margin-inline: auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.faq-item.is-open { border-color: #c9dafd; box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 26px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.faq-q .icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.35s var(--ease), background 0.3s var(--ease);
}
.faq-item.is-open .faq-q .icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}
.faq-a p {
  padding: 0 26px 24px;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: linear-gradient(170deg, #08152f 0%, #0a1c40 60%, #07122a 100%);
  color: #a8b6d9;
  padding: 72px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 54px;
}
.footer-brand .brand { color: #fff; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-tagline { color: #8296c4; }
.footer-brand p { margin-top: 20px; font-size: 14px; max-width: 320px; color: #93a5cf; }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 18px; font-weight: 700; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { font-size: 14px; color: #9fb0d6; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding: 24px 0 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #7f92c0;
}
.footer-bottom p { margin: 0; }
.footer-bottom nav { display: flex; gap: 20px; }
.footer-bottom a { color: #8fa2ce; font-size: 13px; }

/* ---------- 子页面 Hero ---------- */
.page-hero {
  padding: 76px 0 64px;
  background:
    radial-gradient(700px 360px at 82% 0%, rgba(0, 211, 184, 0.14), transparent 60%),
    radial-gradient(700px 380px at 10% 10%, rgba(47, 107, 255, 0.16), transparent 62%),
    linear-gradient(180deg, #f7faff, #fff);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(30px, 4.4vw, 48px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-hero p { margin: 16px auto 0; max-width: 680px; color: var(--muted); font-size: 16.5px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: #9aa8c6; }

/* ---------- 产品页 ---------- */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}
.plan {
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.plan.is-featured {
  border-color: #bcd0ff;
  background: linear-gradient(180deg, #f5f9ff, #fff 42%);
  box-shadow: 0 20px 50px rgba(47, 107, 255, 0.14);
  position: relative;
}
.plan.is-featured::after {
  content: "推荐";
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 4px 12px;
  border-radius: 999px;
}
.plan h3 { font-size: 21px; color: var(--ink); }
.plan .price { margin: 16px 0 6px; font-size: 15px; color: var(--muted); }
.plan .price b { font-size: 30px; color: var(--ink); font-weight: 800; }
.plan .price small { font-size: 13px; }
.plan > p { font-size: 14px; color: var(--muted); min-height: 48px; }
.plan ul { margin: 22px 0 28px; display: grid; gap: 12px; }
.plan li { font-size: 14px; color: var(--text); display: flex; gap: 10px; }
.plan li::before { content: "•"; color: var(--primary); font-weight: 800; }
.plan .btn { margin-top: auto; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: 16px 20px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line); }
table.compare thead th { background: var(--surface); font-size: 14px; color: var(--ink); font-weight: 700; }
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td:first-child { font-weight: 600; color: var(--ink); }
table.compare .yes { color: var(--success); font-weight: 700; }
table.compare .no { color: #a2adc7; }
table.compare tbody tr:hover { background: #fafcff; }

/* ---------- 关于页 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { padding: 32px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.value-card b { display: block; font-size: 15px; color: var(--primary); letter-spacing: 0.1em; margin-bottom: 12px; }
.value-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--muted); }

.timeline { position: relative; margin-top: 20px; padding-left: 30px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0.5;
}
.timeline-item { position: relative; padding: 0 0 34px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.12);
}
.timeline-item time { font-size: 13px; font-weight: 800; color: var(--primary); letter-spacing: 0.06em; }
.timeline-item h3 { font-size: 17px; color: var(--ink); margin: 6px 0 6px; }
.timeline-item p { font-size: 14.5px; color: var(--muted); }

/* ---------- 新闻列表页 ---------- */
.layout-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}
.post-list { display: grid; gap: 26px; }
.post-item {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.post-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.post-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-sm); }
.post-item .meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.post-item .meta .tag { color: var(--primary); font-weight: 700; }
.post-item h2 { font-size: 20px; line-height: 1.45; color: var(--ink); }
.post-item h2 a { color: inherit; }
.post-item h2 a:hover { color: var(--primary); }
.post-item p { margin-top: 10px; font-size: 14.5px; color: var(--muted); }
.post-item .more { margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; }

.sidebar { display: grid; gap: 24px; position: sticky; top: 100px; }
.side-card { padding: 26px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.side-card h3 { font-size: 16px; color: var(--ink); margin-bottom: 16px; padding-left: 12px; border-left: 3px solid var(--primary); line-height: 1.2; }
.side-card ul { display: grid; gap: 10px; }
.side-card li a { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; color: #44506e; padding: 8px 10px; border-radius: 8px; }
.side-card li a:hover { background: var(--surface); color: var(--primary); }
.side-card .hint { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--text);
  background: #fff;
}
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 700; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 文章详情 ---------- */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: start; }
.article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.article-cover img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.article-body { padding: clamp(26px, 4vw, 52px); }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.article-meta .tag { color: var(--primary); font-weight: 700; }
.article-body h1 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.3; color: var(--ink); font-weight: 800; }
.article-body h2 { font-size: 22px; color: var(--ink); margin: 38px 0 14px; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-body h3 { font-size: 17.5px; color: var(--ink); margin: 26px 0 10px; }
.article-body p { margin: 14px 0; font-size: 15.5px; color: #38445f; line-height: 1.9; }
.article-body ul.bullets { margin: 16px 0; display: grid; gap: 10px; }
.article-body ul.bullets li { position: relative; padding-left: 22px; font-size: 15px; color: #38445f; }
.article-body ul.bullets li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.quote {
  margin: 26px 0;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border-left: 4px solid var(--primary);
  font-size: 15px;
  color: #2f3c59;
}
.article-tags { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; padding-top: 26px; border-top: 1px solid var(--line); }
.article-tags a { font-size: 13px; color: var(--muted); background: var(--surface); padding: 6px 14px; border-radius: 999px; }
.article-tags a:hover { background: var(--primary-soft); color: var(--primary); }
.article-nav { margin-top: 30px; display: grid; gap: 12px; }
.article-nav a { display: flex; justify-content: space-between; gap: 16px; padding: 16px 20px; border-radius: var(--radius-sm); border: 1px solid var(--line); font-size: 14px; color: var(--text); background: #fff; }
.article-nav a:hover { border-color: #cfdcf7; color: var(--primary); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.contact-card { padding: 28px 24px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.contact-card .ic { width: 48px; height: 48px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.contact-card h3 { font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--muted); word-break: break-all; }
.contact-card strong { display: block; font-size: 16px; color: var(--primary); margin-top: 6px; }

.form-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 44px); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: #fbfcff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.12);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.form-msg { margin-top: 14px; font-size: 14px; color: var(--success); font-weight: 700; display: none; }
.form-msg.show { display: block; }
.map-box img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); aspect-ratio: 4 / 3; object-fit: cover; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero-inner > * { animation: fadeUp 0.85s var(--ease) both; }
.hero-inner > *:nth-child(2) { animation-delay: 0.18s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.35s var(--ease);
  z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .layout-sidebar, .article-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .nav-list {
    position: absolute;
    top: calc(100% + 10px);
    left: 4%;
    right: 4%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s var(--ease);
  }
  .nav-list.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-list a { padding: 12px 16px; border-radius: 10px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 560px; margin-inline: auto; width: 100%; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: 0; }
  .feature-grid, .news-grid, .plan-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section-pad { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding: 60px 0 76px; }
  .float-card { display: none; }
  .feature-grid, .news-grid, .plan-grid, .value-grid { grid-template-columns: 1fr; }
  .post-item { grid-template-columns: 1fr; gap: 18px; }
  .post-item img { aspect-ratio: 16 / 9; }
  .service-item { grid-template-columns: 1fr; gap: 12px; padding: 24px; }
  .service-no { border-right: none; padding-right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sidebar { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .brand-tagline { display: none; }
  .article-body { padding: 22px 20px; }
  .cta-band { padding: 42px 22px; border-radius: var(--radius-lg); }
}

@media (max-width: 420px) {
  .hero-actions .btn { width: 100%; }
  .brand-name { font-size: 18px; }
}