/* ===== 设计变量 · 专业工具站 ===== */
:root {
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-bg-mute: #EEF2F7;
  --color-surface: #FFFFFF;
  --color-border: #DDE3EA;
  --color-border-soft: #E8EDF3;
  --color-text: #111827;
  --color-text-secondary: #4B5563;
  --color-text-muted: #8A94A6;
  --color-brand: #2563EB;
  --color-brand-dark: #1D4ED8;
  --color-brand-soft: #EFF6FF;
  --color-accent: #0F766E;
  --color-violet: #334155;
  --color-success: #059669;
  --shadow-xs: 0 1px 2px rgba(24,24,27,.04);
  --shadow-sm: 0 1px 3px rgba(24,24,27,.04), 0 1px 2px rgba(24,24,27,.06);
  --shadow-md: 0 4px 12px -2px rgba(24,24,27,.06), 0 2px 6px -2px rgba(24,24,27,.04);
  --shadow-lg: 0 12px 32px -4px rgba(24,24,27,.08), 0 4px 12px -2px rgba(24,24,27,.05);
  --shadow-brand: 0 8px 24px -6px rgba(37,99,235,.30);
  --radius: 8px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --radius-xl: 8px;
  --container: 1160px;
  --gradient-brand: linear-gradient(135deg, #0F766E 0%, #2563EB 58%, #111827 100%);
  --gradient-text: linear-gradient(120deg, #0F766E 0%, #2563EB 70%, #111827 100%);
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 15px;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ===== 容器 ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* ===== 导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 11px; font-weight: 600; font-size: 17px; color: var(--color-text); letter-spacing: -0.02em; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: url("assets/damoxing-mark.svg") center / contain no-repeat;
  display: block;
  color: transparent;
  font-size: 0;
  box-shadow: 0 8px 22px -8px rgba(37,99,235,.42);
}
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a { font-size: 14px; color: var(--color-text-secondary); font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--color-text); }
.nav-cta { display: flex; gap: 12px; align-items: center; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 500;
  transition: all .18s cubic-bezier(.4,0,.2,1); white-space: nowrap; letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--color-brand); color: #fff;
  box-shadow: 0 1px 2px rgba(99,102,241,.25), 0 4px 12px -2px rgba(99,102,241,.3);
}
.btn-primary:hover { background: var(--color-brand-dark); transform: translateY(-1px); box-shadow: 0 2px 4px rgba(99,102,241,.3), 0 8px 20px -4px rgba(99,102,241,.4); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); box-shadow: var(--shadow-xs); }
.btn-secondary:hover { border-color: var(--color-text-muted); transform: translateY(-1px); }
.btn-ghost { color: var(--color-text-secondary); }
.btn-ghost:hover { color: var(--color-text); }
.btn-lg { padding: 13px 26px; font-size: 15px; border-radius: 12px; }

/* ===== Hero ===== */
.hero {
  position: relative; padding: 120px 0 96px; overflow: hidden;
  background: var(--color-bg);
}
.hero::before {
  content: ""; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(99,102,241,.10) 0%, rgba(139,92,246,.06) 35%, transparent 70%);
  filter: blur(20px); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(to right, rgba(24,24,27,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24,24,27,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; max-width: 720px; margin: 0 auto; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; background: var(--color-brand-soft); color: var(--color-brand-dark);
  border-radius: 999px; font-size: 13px; font-weight: 500; margin-bottom: 24px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); }
.hero h1 {
  font-size: 60px; line-height: 1.05; font-weight: 700; color: var(--color-text);
  letter-spacing: -0.035em; margin-bottom: 22px;
}
.hero h1 .accent {
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub { font-size: 19px; color: var(--color-text-secondary); margin-bottom: 36px; line-height: 1.5; max-width: 580px; margin-left: auto; margin-right: auto; }
.search-box {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 14px; padding: 7px 7px 7px 20px; display: flex; align-items: center;
  box-shadow: var(--shadow-md); max-width: 540px; margin: 0 auto 20px;
  transition: all .18s;
}
.search-box:focus-within { border-color: var(--color-brand); box-shadow: 0 0 0 4px rgba(99,102,241,.1), var(--shadow-md); }
.search-box input { flex: 1; border: none; outline: none; padding: 11px 0; font-size: 15px; background: transparent; color: var(--color-text); }
.search-box input::placeholder { color: var(--color-text-muted); }
.search-box button { padding: 11px 22px; background: var(--color-brand); color: #fff; border-radius: 10px; font-weight: 500; font-size: 14px; transition: background .15s; }
.search-box button:hover { background: var(--color-brand-dark); }
.hot-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; font-size: 13px; color: var(--color-text-muted); align-items: center; }
.hot-tags > span { margin-right: 4px; }
.hot-tags a { padding: 5px 13px; background: var(--color-bg-soft); border: 1px solid var(--color-border-soft); border-radius: 999px; transition: all .15s; color: var(--color-text-secondary); }
.hot-tags a:hover { border-color: var(--color-brand); color: var(--color-brand); background: var(--color-brand-soft); }

/* ===== 数据统计 ===== */
.stats-bar { padding: 64px 0 16px; background: var(--color-bg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: left; padding: 8px 0 8px 24px; border-left: 1px solid var(--color-border); }
.stat-item:first-child { border-left: none; padding-left: 0; }
.stat-num { font-size: 40px; font-weight: 700; color: var(--color-text); letter-spacing: -0.03em; line-height: 1.1; }
.stat-num .plus { color: var(--color-brand); }
.stat-label { font-size: 14px; color: var(--color-text-muted); margin-top: 6px; }

/* ===== 通用区块 ===== */
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-header { display: flex; align-items: end; justify-content: space-between; margin-bottom: 44px; gap: 24px; }
.section-title { font-size: 32px; font-weight: 700; color: var(--color-text); letter-spacing: -0.025em; line-height: 1.2; }
.section-sub { color: var(--color-text-secondary); margin-top: 8px; font-size: 16px; }
.section-more { color: var(--color-brand); font-size: 14px; font-weight: 500; white-space: nowrap; transition: gap .15s; }
.section-more:hover { color: var(--color-brand-dark); }

/* ===== 厂商分类卡 ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.category-card {
  background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius-md);
  padding: 22px 24px; transition: all .2s cubic-bezier(.4,0,.2,1); display: flex; gap: 16px; align-items: center;
  box-shadow: var(--shadow-xs);
}
.category-card:hover { border-color: var(--color-brand); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.category-icon {
  width: 44px; height: 44px; border-radius: 11px; background: var(--color-brand-soft);
  color: var(--color-brand); display: grid; place-items: center; font-size: 18px; font-weight: 600; flex-shrink: 0;
}
.category-card h3 { font-size: 15px; color: var(--color-text); margin-bottom: 3px; font-weight: 600; letter-spacing: -0.01em; }
.category-card p { font-size: 13px; color: var(--color-text-muted); }

/* ===== 厂商卡片 ===== */
.vendor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vendor-card {
  background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius-md);
  padding: 26px; transition: all .2s cubic-bezier(.4,0,.2,1); display: flex; flex-direction: column;
  box-shadow: var(--shadow-xs);
}
.vendor-card:hover { border-color: var(--color-border); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.vendor-head { display: flex; align-items: center; gap: 13px; margin-bottom: 14px; }
.vendor-logo {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  font-weight: 600; font-size: 16px; color: #fff; flex-shrink: 0;
}
.vendor-name { font-size: 16px; font-weight: 600; color: var(--color-text); letter-spacing: -0.01em; }
.vendor-vendor { font-size: 13px; color: var(--color-text-muted); margin-top: 1px; }
.vendor-desc { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 16px; flex: 1; line-height: 1.6; }
.vendor-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tag { font-size: 12px; padding: 3px 9px; border-radius: 6px; background: var(--color-bg-mute); color: var(--color-text-secondary); font-weight: 500; }
.tag-open { background: #ECFDF5; color: #047857; }
.tag-closed { background: #FFF7ED; color: #C2410C; }
.tag-cn { background: var(--color-brand-soft); color: var(--color-brand-dark); }
.tag-global { background: #FDF4FF; color: #A21CAF; }
.vendor-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--color-border-soft); }
.vendor-link { color: var(--color-brand); font-size: 13px; font-weight: 500; }
.vendor-card:hover .vendor-link { color: var(--color-brand-dark); }

/* ===== 行业入口 ===== */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry-card {
  background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius);
  padding: 24px 20px; text-align: center; transition: all .2s cubic-bezier(.4,0,.2,1); box-shadow: var(--shadow-xs);
}
.industry-card:hover { border-color: var(--color-brand); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.industry-emoji { font-size: 28px; margin-bottom: 10px; line-height: 1; }
.industry-card h3 { font-size: 15px; color: var(--color-text); margin-bottom: 4px; font-weight: 600; letter-spacing: -0.01em; }
.industry-card p { font-size: 12px; color: var(--color-text-muted); }

/* ===== CTA 区 ===== */
.cta-band {
  background: var(--gradient-brand);
  border-radius: var(--radius-xl); padding: 56px 48px; color: #fff; text-align: center;
  position: relative; overflow: hidden;
  box-shadow: 0 20px 48px -12px rgba(15,23,42,.34);
}
.cta-band::before,
.cta-band::after { display: none; }
.cta-band h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; position: relative; letter-spacing: -0.025em; }
.cta-band p { color: rgba(255,255,255,.85); margin-bottom: 28px; position: relative; font-size: 16px; }
.cta-band .btn { position: relative; background: #fff; color: var(--color-brand-dark); }
.cta-band .btn:hover { background: #FAFAFA; transform: translateY(-1px); }

/* ===== Footer ===== */
.footer { background: #111827; color: rgba(255,255,255,.64); padding: 56px 0 28px; margin-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 13px; margin-bottom: 18px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 14px; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 28px; display: flex; justify-content: space-between; font-size: 13px; }

/* ===== 厂商详情页 ===== */
.vendor-hero {
  background: var(--color-bg);
  padding: 56px 0 48px; border-bottom: 1px solid var(--color-border-soft);
  position: relative; overflow: hidden;
}
.vendor-hero::before {
  content: ""; position: absolute; top: -150px; right: -100px;
  width: 500px; height: 400px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(99,102,241,.08), transparent 70%);
  pointer-events: none;
}
.vendor-hero-inner { display: flex; gap: 28px; align-items: flex-start; position: relative; }
.vendor-hero-logo {
  width: 80px; height: 80px; border-radius: 18px; display: grid; place-items: center;
  font-size: 30px; font-weight: 700; color: #fff; flex-shrink: 0;
  box-shadow: var(--shadow-md);
}
.vendor-hero-info { flex: 1; }
.vendor-hero-info h1 { font-size: 34px; color: var(--color-text); margin-bottom: 6px; letter-spacing: -0.03em; font-weight: 700; }
.vendor-hero-vendor { color: var(--color-text-secondary); margin-bottom: 16px; font-size: 15px; }
.vendor-hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.vendor-hero-actions { display: flex; gap: 12px; }
.breadcrumb { font-size: 13px; color: var(--color-text-muted); margin-bottom: 24px; }
.breadcrumb a:hover { color: var(--color-brand); }
.breadcrumb span { margin: 0 8px; color: var(--color-text-muted); }

.vendor-body { display: grid; grid-template-columns: 1fr 320px; gap: 56px; padding: 64px 0; }
.vendor-main h2 { font-size: 24px; color: var(--color-text); margin: 40px 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border-soft); font-weight: 700; letter-spacing: -0.02em; }
.vendor-main h2:first-child { margin-top: 0; }
.vendor-main p { color: var(--color-text-secondary); margin-bottom: 14px; line-height: 1.75; }
.vendor-main ul { list-style: none; padding-left: 0; margin-bottom: 16px; }
.vendor-main li { color: var(--color-text-secondary); margin-bottom: 8px; padding-left: 22px; position: relative; line-height: 1.7; }
.vendor-main li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); }
.info-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.info-table th, .info-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--color-border-soft); font-size: 14px; }
.info-table th { background: var(--color-bg-soft); color: var(--color-text); font-weight: 600; width: 160px; }
.info-table td { color: var(--color-text-secondary); }
.product-list { display: grid; gap: 12px; }
.product-item { background: var(--color-bg-soft); border: 1px solid var(--color-border-soft); border-radius: var(--radius); padding: 18px 20px; transition: all .15s; }
.product-item:hover { border-color: var(--color-border); background: var(--color-surface); }
.product-item h4 { color: var(--color-text); margin-bottom: 4px; font-size: 15px; font-weight: 600; }
.product-item p { font-size: 14px; color: var(--color-text-muted); margin: 0; line-height: 1.6; }

.vendor-sidebar { position: sticky; top: 92px; align-self: start; }
.sidebar-card { background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius-md); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow-xs); }
.sidebar-card h3 { font-size: 15px; color: var(--color-text); margin-bottom: 16px; font-weight: 600; letter-spacing: -0.01em; }
.sidebar-card .btn { width: 100%; margin-top: 8px; }
.sidebar-stat { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--color-border-soft); font-size: 14px; }
.sidebar-stat:last-child { border: none; padding-bottom: 0; }
.sidebar-stat span:first-child { color: var(--color-text-muted); }
.sidebar-stat span:last-child { color: var(--color-text); font-weight: 600; }

/* ===== 筛选器 ===== */
.filter-bar {
  background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius-md);
  padding: 18px 24px; margin-bottom: 32px; display: flex; gap: 28px; flex-wrap: wrap; align-items: center;
  box-shadow: var(--shadow-xs);
}
.filter-group { display: flex; gap: 8px; align-items: center; }
.filter-label { font-size: 13px; color: var(--color-text-muted); font-weight: 500; }
.filter-chip { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--color-border); font-size: 13px; color: var(--color-text-secondary); cursor: pointer; transition: all .15s; background: var(--color-surface); font-weight: 500; }
.filter-chip:hover { border-color: var(--color-text-muted); color: var(--color-text); }
.filter-chip.active { background: var(--color-text); color: #fff; border-color: var(--color-text); }

/* ===== 对比表 ===== */
.compare-table-wrap { overflow-x: auto; background: var(--color-surface); border: 1px solid var(--color-border-soft); border-radius: var(--radius-md); box-shadow: var(--shadow-xs); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--color-border-soft); font-size: 14px; }
.compare-table th { background: var(--color-bg-soft); color: var(--color-text); font-weight: 600; font-size: 13px; letter-spacing: 0.01em; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover { background: var(--color-bg-soft); }
.compare-table .vendor-cell { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--color-text); }
.compare-table .vendor-cell .mini-logo { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 600; }

/* ===== 通用 page header ===== */
.page-header { background: var(--color-bg); padding: 64px 0 48px; border-bottom: 1px solid var(--color-border-soft); position: relative; overflow: hidden; }
.page-header::before { display: none; }
.page-header h1 { font-size: 36px; color: var(--color-text); margin-bottom: 10px; letter-spacing: -0.03em; font-weight: 700; position: relative; }
.page-header p { color: var(--color-text-secondary); font-size: 16px; max-width: 640px; line-height: 1.6; position: relative; }

/* ===== 关于页内容 ===== */
.prose { max-width: 760px; }
.prose h2 { font-size: 24px; color: var(--color-text); margin: 36px 0 16px; font-weight: 700; letter-spacing: -0.02em; }
.prose p { color: var(--color-text-secondary); margin-bottom: 14px; line-height: 1.8; }
.prose ul { list-style: none; padding-left: 0; margin-bottom: 16px; }
.prose li { color: var(--color-text-secondary); margin-bottom: 10px; padding-left: 22px; position: relative; line-height: 1.75; }
.prose li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); }

/* ===== 行业页 ===== */
.industry-hero {
  background: linear-gradient(135deg, #0F766E 0%, #06B6D4 100%);
  color: #fff; padding: 56px 0 52px; position: relative; overflow: hidden;
}
.industry-hero::before { display: none; }
.industry-hero h1 { font-size: 34px; margin-bottom: 12px; letter-spacing: -0.03em; font-weight: 700; position: relative; }
.industry-hero p { color: rgba(255,255,255,.88); font-size: 16px; max-width: 640px; line-height: 1.6; position: relative; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .hero { padding: 80px 0 64px; }
  .hero h1 { font-size: 42px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .stat-item { border-left: none; padding-left: 0; }
  .category-grid, .vendor-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .vendor-body { grid-template-columns: 1fr; gap: 40px; }
  .vendor-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section { padding: 64px 0; }
  .cta-band { padding: 44px 28px; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .search-box { padding: 6px 6px 6px 16px; }
  .search-box button { padding: 10px 16px; font-size: 13px; }
  .category-grid, .vendor-grid, .industry-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .stat-num { font-size: 32px; }
  .cta-band { padding: 36px 22px; border-radius: 20px; }
  .cta-band h2 { font-size: 24px; }
  .vendor-hero-inner { flex-direction: column; gap: 20px; }
  .vendor-hero-logo { width: 64px; height: 64px; font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 26px; }
  .form-card { padding: 28px 22px; }
  .page-header h1 { font-size: 28px; }
}

/* ===== AI 流量改造版 ===== */
.nav-links a.active { color: var(--color-text); }
.site-hero {
  min-height: 680px;
  display: flex;
  align-items: center;
  position: relative;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8,15,28,.86) 0%, rgba(8,15,28,.70) 35%, rgba(8,15,28,.20) 68%, rgba(8,15,28,.08) 100%),
    url("assets/hero-cli-api-workbench.png") center / cover no-repeat;
  overflow: hidden;
}
.site-hero .container { width: 100%; }
.hero-copy { max-width: 690px; padding: 96px 0 84px; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10);
  border-radius: 999px;
  color: rgba(255,255,255,.88);
  font-size: 13px;
  margin-bottom: 22px;
}
.hero-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22C55E;
}
.site-hero h1 {
  font-size: 58px;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.site-hero p {
  max-width: 620px;
  color: rgba(255,255,255,.82);
  font-size: 18px;
  line-height: 1.75;
  margin-bottom: 30px;
  overflow-wrap: anywhere;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.site-hero .btn-secondary { background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.26); }
.intent-chips { display: flex; gap: 9px; flex-wrap: wrap; }
.intent-chips a {
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.86);
  border: 1px solid rgba(255,255,255,.16);
  font-size: 13px;
}
.trust-strip {
  border-bottom: 1px solid var(--color-border-soft);
  background: #FBFCFC;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}
.trust-item { padding: 24px 18px; }
.trust-item strong { display: block; font-size: 24px; color: #0F172A; letter-spacing: -0.02em; }
.trust-item span { color: var(--color-text-secondary); font-size: 13px; overflow-wrap: anywhere; }
.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.answer-card,
.asset-card,
.source-box,
.summary-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: 8px;
  box-shadow: var(--shadow-xs);
}
.answer-card {
  padding: 24px;
  min-height: 194px;
  display: flex;
  flex-direction: column;
}
.answer-card .eyebrow,
.page-eyebrow {
  color: #0F766E;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 9px;
}
.answer-card h3 { font-size: 18px; margin-bottom: 9px; color: var(--color-text); }
.answer-card p { color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 0; }
.data-section {
  background: #F8FAFC;
  border-top: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
}
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 36px;
  align-items: center;
}
.asset-card { overflow: hidden; }
.asset-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.asset-card-body { padding: 18px 20px; }
.asset-card-body h3 { font-size: 17px; margin-bottom: 6px; }
.asset-card-body p { color: var(--color-text-secondary); font-size: 14px; line-height: 1.7; }
.metric-list { display: grid; gap: 12px; margin-top: 18px; }
.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--color-border-soft);
  color: var(--color-text-secondary);
}
.metric-row strong { color: var(--color-text); }
.page-hero {
  padding: 72px 0 42px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--color-border-soft);
}
.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  gap: 42px;
  align-items: center;
}
.page-hero h1 {
  font-size: 42px;
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}
.page-hero p {
  color: var(--color-text-secondary);
  font-size: 17px;
  line-height: 1.75;
  max-width: 720px;
}
.page-hero img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.updated-line {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.summary-box { padding: 22px 24px; margin-bottom: 24px; background: #FFFFFF; }
.summary-box h2 { font-size: 20px; margin-bottom: 10px; }
.summary-box p { color: var(--color-text-secondary); line-height: 1.75; margin-bottom: 0; }
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
}
.toc {
  position: sticky;
  top: 92px;
  align-self: start;
  border: 1px solid var(--color-border-soft);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}
.toc strong { display: block; margin-bottom: 10px; }
.toc a { display: block; padding: 8px 0; color: var(--color-text-secondary); font-size: 14px; border-bottom: 1px solid var(--color-border-soft); }
.toc a:last-child { border-bottom: none; }
.source-box { padding: 20px; background: #FAFAFA; }
.source-box h3 { font-size: 16px; margin-bottom: 10px; }
.source-box li { list-style: none; padding: 7px 0; color: var(--color-text-secondary); }
.source-box a { color: var(--color-brand-dark); }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--color-border-soft);
  border-radius: 8px;
  padding: 18px 20px;
  background: #fff;
}
.faq-item h3 { font-size: 16px; margin-bottom: 8px; }
.faq-item p { color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.scenario-card {
  border: 1px solid var(--color-border-soft);
  border-radius: 8px;
  padding: 22px;
  background: #fff;
  min-height: 132px;
}
.scenario-card h3 { font-size: 17px; margin-bottom: 8px; }
.scenario-card p { color: var(--color-text-secondary); line-height: 1.65; }
.page-note { color: var(--color-text-muted); font-size: 13px; margin-top: 12px; line-height: 1.6; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #EFF6FF;
  color: #1D4ED8;
}
.badge.official { background: #ECFDF5; color: #047857; }
.badge.third-party { background: #FFF7ED; color: #C2410C; }
.badge.risk { background: #FEF2F2; color: #B91C1C; }
.command-block {
  background: #0F172A;
  color: #E2E8F0;
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 12px 0 18px;
}
.command-block code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.tool-table td:first-child,
.tool-table th:first-child { min-width: 170px; }
.provider-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-right: 8px;
  vertical-align: middle;
}
.nav-links a { white-space: nowrap; }

@media (max-width: 960px) {
  .nav-cta { display: none; }
  .site-hero { min-height: 590px; background-position: 62% center; }
  .site-hero h1 { font-size: 42px; }
  .hero-copy { padding: 78px 0 66px; }
  .trust-grid, .answer-grid, .split-layout, .page-hero-inner, .content-grid { grid-template-columns: 1fr; }
  .page-hero img { max-width: 560px; }
  .toc { position: static; }
}
@media (max-width: 600px) {
  .nav-inner { height: 60px; }
  .logo { font-size: 16px; gap: 9px; }
  .logo-mark { width: 30px; height: 30px; }
  .site-hero { min-height: 620px; background-position: 70% center; }
  .hero-copy { max-width: 300px; }
  .site-hero h1 { font-size: 34px; }
  .site-hero p { font-size: 16px; max-width: 300px; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 280px;
  }
  .hero-actions .btn { width: 100%; padding-left: 12px; padding-right: 12px; }
  .intent-chips {
    display: grid;
    grid-template-columns: 1fr;
    width: 280px;
    max-width: 100%;
  }
  .intent-chips a {
    text-align: center;
    padding: 7px 8px;
    font-size: 12px;
    min-width: 0;
    white-space: normal;
  }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item { padding: 20px 14px; }
  .page-hero h1 { font-size: 30px; }
  .scenario-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; }
  .cta-band { padding: 34px 20px; }
}