/* ==========================================================================
   综合包网 (ZONGHEBAOWANG) — 全站样式表
   设计语言：深色奢华黑金（炭黑 + 香槟金/琥珀渐变）
   - 大留白、大标题、细字重；玻璃拟态导航；金色渐变点缀
   - Inter 可变字体自托管（fonts/Inter-400.woff2，单条 @font-face 覆盖 100-900）
   - 纯 CSS 动画，无外部依赖
   ========================================================================== */

/* ---------- 0. 字体 ----------
   单条 @font-face + font-weight: 100 900 范围声明：浏览器只下载 1 个文件，
   任意字重（300/400/500/600/700/800）均由该可变字体按需渲染。
   local('Inter')：本机已安装 Inter 时优先使用，零网络请求。
   font-display: swap：字体加载完成前回退系统字体，不阻塞首屏渲染。 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: local('Inter'), url('fonts/Inter-400.woff2') format('woff2');
}

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 炭黑背景层 */
  --bg-0: #0a0a0c;
  --bg-1: #0f0f13;
  --bg-2: #15151b;
  --bg-3: #1c1c24;
  /* 香槟金 / 琥珀 */
  --gold-1: #f6e7b4;
  --gold-2: #d4af37;
  --gold-3: #b8860b;
  --amber: #e8a33d;
  /* 文本 */
  --text-1: #f4f1e8;
  --text-2: #b3ad9f;
  --text-3: #7d786c;
  /* 边框 / 阴影 */
  --border: rgba(212, 175, 55, 0.16);
  --border-soft: rgba(255, 255, 255, 0.06);
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.65);
  --shadow-gold: 0 12px 40px -12px rgba(212, 175, 55, 0.35);
  /* 渐变 */
  --grad-gold: linear-gradient(115deg, #f6e7b4 0%, #e8c15a 34%, #d4af37 62%, #b8860b 100%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  /* 字体 */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
          'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
  /* 布局 */
  --radius: 16px;
  --radius-sm: 10px;
  --container: 1180px;
  --header-h: 72px;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -0.02em; font-weight: 700; }
::selection { background: rgba(212, 175, 55, 0.3); color: #fff; }

/* 焦点可见性（无障碍） */
:focus-visible { outline: 2px solid var(--gold-2); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. 容器与通用布局 ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-1); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-2); margin-bottom: 16px;
}
.eyebrow::before, .eyebrow::after {
  content: ''; width: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-2));
}
.eyebrow::after { background: linear-gradient(90deg, var(--gold-2), transparent); }
.section-title { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.03em; }
.section-title .grad { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-sub { margin-top: 14px; color: var(--text-2); font-size: 16.5px; }

/* 金色渐变文字 */
.grad-text {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; line-height: 1.2; white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.btn-primary {
  color: #14100a;
  background: var(--grad-gold);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 48px -10px rgba(212, 175, 55, 0.5); }
.btn-ghost {
  color: var(--gold-1);
  border: 1px solid var(--border);
  background: rgba(212, 175, 55, 0.05);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--gold-2); background: rgba(212, 175, 55, 0.1); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 13.5px; }

/* ---------- 5. 页头（玻璃拟态导航） ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 12, 0.62);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled { background: rgba(10, 10, 12, 0.85); border-bottom-color: var(--border-soft); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 19px; letter-spacing: -0.01em; }
.brand-logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--grad-gold);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: #14100a;
  box-shadow: var(--shadow-gold);
  flex-shrink: 0;
}
.brand-name { font-weight: 800; }
.brand-sub { display: block; font-size: 10px; font-weight: 600; letter-spacing: 0.22em; color: var(--gold-2); text-transform: uppercase; margin-top: 1px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li > a {
  display: inline-block; padding: 9px 13px; border-radius: 8px;
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-menu > li > a:hover { color: var(--gold-1); background: rgba(212, 175, 55, 0.08); }
.nav-menu > li > a.active { color: var(--gold-2); font-weight: 600; }
.nav-lang {
  margin-left: 8px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--gold-1);
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
  transition: all 0.2s ease;
}
.nav-lang:hover { background: rgba(212, 175, 55, 0.1); border-color: var(--gold-2); }
.header-cta { margin-left: 10px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; padding: 10px;
  border-radius: 8px; border: 1px solid var(--border-soft);
}
.nav-toggle span { width: 22px; height: 2px; background: var(--gold-1); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 88px) 0 96px;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(212, 175, 55, 0.16), transparent 65%),
    radial-gradient(ellipse 40% 40% at 85% 20%, rgba(184, 134, 11, 0.12), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(212, 175, 55, 0.07);
  font-size: 13.5px; font-weight: 600; color: var(--gold-1); margin-bottom: 28px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-2); box-shadow: 0 0 10px var(--gold-2); animation: pulse 2.2s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-title {
  font-size: clamp(36px, 5.6vw, 62px); font-weight: 800;
  letter-spacing: -0.035em; line-height: 1.14;
}
.hero-title .grad { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub {
  margin: 26px auto 0; max-width: 680px;
  font-size: clamp(16px, 1.6vw, 18.5px); color: var(--text-2); line-height: 1.8;
}
.hero-actions { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-trust { margin-top: 44px; display: flex; justify-content: center; gap: 36px; flex-wrap: wrap; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-3); }
.hero-trust svg { width: 16px; height: 16px; color: var(--gold-2); }

/* ---------- 7. 数据统计 ---------- */
.stats { border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); background: var(--bg-1); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 56px 0; }
.stat { text-align: center; }
.stat-num {
  font-size: clamp(34px, 4vw, 46px); font-weight: 800; letter-spacing: -0.02em;
  background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-label { margin-top: 8px; font-size: 14px; color: var(--text-2); }
.stat-divider { width: 1px; height: 52px; background: var(--border-soft); align-self: center; }

/* ---------- 8. 卡片通用 ---------- */
.card {
  background: var(--grad-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative; overflow: hidden;
}
.card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-gold); opacity: 0; transition: opacity 0.3s ease;
}
.card:hover { transform: translateY(-5px); border-color: var(--border); box-shadow: var(--shadow); }
.card:hover::after { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(212, 175, 55, 0.1); border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gold-2); margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
.card-link {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--gold-2);
  transition: gap 0.25s ease, color 0.2s ease;
}
.card-link:hover { gap: 11px; color: var(--gold-1); }
.card-link svg { width: 15px; height: 15px; }

/* 优势卡编号 */
.adv-card .adv-num {
  position: absolute; top: 20px; right: 24px;
  font-size: 44px; font-weight: 800; letter-spacing: -0.03em;
  color: transparent; -webkit-text-stroke: 1px rgba(212, 175, 55, 0.35);
  font-variant-numeric: tabular-nums;
}

/* ---------- 9. 网格 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- 10. 市场（地区） ---------- */
.market-card { text-align: center; padding: 40px 24px; }
.market-flag {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
  background: rgba(212, 175, 55, 0.08); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; color: var(--gold-2);
}
.market-card h3 { font-size: 18px; margin-bottom: 8px; }
.market-card p { font-size: 13.5px; color: var(--text-3); }

/* ---------- 11. 后台系统亮点 ---------- */
.platform-row { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.platform-features { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; }
.pt-feature {
  display: flex; gap: 13px; padding: 18px; border-radius: var(--radius-sm);
  background: var(--grad-card); border: 1px solid var(--border-soft);
}
.pt-feature .ic {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 10px;
  background: rgba(212, 175, 55, 0.1); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--gold-2);
}
.pt-feature .ic svg { width: 19px; height: 19px; }
.pt-feature h4 { font-size: 14.5px; margin-bottom: 3px; }
.pt-feature p { font-size: 12.5px; color: var(--text-3); line-height: 1.6; }
/* 终端窗口示意 */
.terminal {
  background: #0d0d11; border: 1px solid var(--border-soft); border-radius: 14px;
  overflow: hidden; box-shadow: var(--shadow);
}
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--border-soft); background: rgba(255,255,255,0.02); }
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.terminal-bar i:nth-child(1) { background: #e05c4f; }
.terminal-bar i:nth-child(2) { background: #e8c15a; }
.terminal-bar i:nth-child(3) { background: #4fb477; }
.terminal-bar span { margin-left: 8px; font-size: 12px; color: var(--text-3); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.terminal-body { padding: 22px 20px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; line-height: 2; color: var(--text-2); }
.terminal-body .t-cmd { color: var(--gold-1); }
.terminal-body .t-ok { color: #4fb477; }
.terminal-body .t-key { color: var(--gold-2); }
.terminal-cursor { display: inline-block; width: 8px; height: 15px; background: var(--gold-2); vertical-align: middle; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- 12. FAQ 手风琴 ---------- */
.accordion { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.accordion-item {
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  background: var(--grad-card); overflow: hidden;
  transition: border-color 0.25s ease;
}
.accordion-item.open { border-color: var(--border); }
.accordion-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--text-1); line-height: 1.5;
}
.accordion-btn:hover { color: var(--gold-1); }
.accordion-btn .chev {
  width: 20px; height: 20px; flex-shrink: 0; color: var(--gold-2);
  transition: transform 0.3s ease;
}
.accordion-item.open .chev { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.accordion-panel p { padding: 0 24px 22px; color: var(--text-2); font-size: 14.5px; line-height: 1.85; }

/* ---------- 13. CTA 区块 ---------- */
.cta {
  position: relative; padding: 88px 0; text-align: center; overflow: hidden;
  background: var(--bg-1); border-top: 1px solid var(--border-soft);
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 80% at 50% 110%, rgba(212, 175, 55, 0.16), transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-title { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -0.03em; }
.cta-sub { margin-top: 16px; color: var(--text-2); font-size: 16px; }
.cta-actions { margin-top: 34px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 22px; font-size: 13px; color: var(--text-3); display: inline-flex; align-items: center; gap: 7px; }
.cta-note svg { width: 14px; height: 14px; color: var(--gold-2); }

/* ---------- 14. 页脚 ---------- */
.site-footer { border-top: 1px solid var(--border-soft); background: #08080a; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand p { margin-top: 16px; color: var(--text-3); font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-2); margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { color: var(--text-2); font-size: 14px; transition: color 0.2s ease; }
.footer-col ul a:hover { color: var(--gold-1); }
.footer-bottom {
  border-top: 1px solid var(--border-soft); padding: 22px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--text-3); }
.footer-bottom .legal a { color: var(--text-3); font-size: 13px; margin-left: 20px; transition: color 0.2s ease; }
.footer-bottom .legal a:hover { color: var(--gold-1); }

/* ---------- 15. 页面 Hero（内页） ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 72px) 0 64px;
  text-align: center; overflow: hidden;
  background:
    radial-gradient(ellipse 55% 60% at 50% -20%, rgba(212, 175, 55, 0.14), transparent 65%);
}
.page-hero .eyebrow { justify-content: center; }
.page-title { font-size: clamp(30px, 4.4vw, 48px); font-weight: 800; letter-spacing: -0.03em; }
.page-title .grad { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-sub { margin: 18px auto 0; max-width: 660px; color: var(--text-2); font-size: 16.5px; }
.breadcrumb {
  display: flex; justify-content: center; align-items: center; gap: 8px;
  margin-bottom: 22px; font-size: 13px; color: var(--text-3);
}
.breadcrumb a { color: var(--text-2); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--gold-1); }
.breadcrumb svg { width: 13px; height: 13px; }

/* ---------- 16. 页面正文通用 ---------- */
.lead-block { max-width: 860px; margin: 0 auto; }
.lead-block p { color: var(--text-2); font-size: 16px; line-height: 1.9; }
.lead-block p + p { margin-top: 18px; }
.lead-block strong { color: var(--gold-1); font-weight: 600; }

/* 步骤条 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card { position: relative; padding: 34px 26px 28px; text-align: left; }
.step-card::before {
  counter-increment: step; content: '0' counter(step);
  position: absolute; top: 22px; right: 24px;
  font-size: 34px; font-weight: 800; color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.35);
}
.step-card h3 { font-size: 17px; margin-bottom: 8px; padding-top: 6px; }
.step-card p { font-size: 13.5px; }

/* 对照表 */
.compare { max-width: 900px; margin: 0 auto; overflow-x: auto; }
.compare table { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare th, .compare td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--border-soft); font-size: 14.5px; }
.compare th { background: rgba(212, 175, 55, 0.07); color: var(--gold-1); font-weight: 600; font-size: 13.5px; letter-spacing: 0.05em; }
.compare td { color: var(--text-2); }
.compare td:first-child { color: var(--text-1); font-weight: 600; white-space: nowrap; }
.compare .yes { color: var(--gold-2); font-weight: 600; }
.compare tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* 供应商标签 */
.supplier-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 900px; margin: 0 auto; }
.supplier-tag {
  padding: 10px 20px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(212, 175, 55, 0.05);
  font-size: 14px; font-weight: 500; color: var(--text-2);
  transition: all 0.25s ease;
}
.supplier-tag:hover { color: var(--gold-1); border-color: var(--gold-2); transform: translateY(-2px); }

/* 特性列表（打勾） */
.check-list { display: grid; gap: 13px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); font-size: 15px; line-height: 1.7; }
.check-list li svg { width: 19px; height: 19px; flex-shrink: 0; color: var(--gold-2); margin-top: 3px; }
.check-list li strong { color: var(--text-1); font-weight: 600; }

/* ---------- 17. 资讯列表 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.news-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.news-card-body { padding: 28px 28px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--text-3); margin-bottom: 12px; }
.news-cat {
  padding: 4px 12px; border-radius: 999px; font-weight: 600;
  background: rgba(212, 175, 55, 0.1); border: 1px solid var(--border); color: var(--gold-2);
  font-size: 12px;
}
.news-card h3 { font-size: 19px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; }
.news-card h3 a { transition: color 0.2s ease; }
.news-card h3 a:hover { color: var(--gold-2); }
.news-card .news-excerpt { color: var(--text-2); font-size: 14px; line-height: 1.75; flex: 1; }
.news-card .card-link { margin-top: 18px; }

/* ---------- 18. 文章页 ---------- */
.article-wrap { max-width: 780px; margin: 0 auto; }
.article-header { text-align: center; margin-bottom: 44px; }
.article-header .news-meta { justify-content: center; margin-bottom: 16px; }
.article-header h1 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.35; }
.article-body { color: var(--text-2); font-size: 16px; line-height: 2; }
.article-body p { margin-bottom: 22px; }
.article-body h2 { color: var(--text-1); font-size: 24px; font-weight: 700; margin: 44px 0 18px; letter-spacing: -0.02em; }
.article-body h2 .grad { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.article-body h3 { color: var(--text-1); font-size: 19px; font-weight: 700; margin: 34px 0 14px; }
.article-body strong { color: var(--gold-1); font-weight: 600; }
.article-body ul { margin: 0 0 22px; padding-left: 4px; }
.article-body ul li { position: relative; padding-left: 24px; margin-bottom: 10px; }
.article-body ul li::before {
  content: ''; position: absolute; left: 4px; top: 13px;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--grad-gold);
}
.article-body blockquote {
  margin: 30px 0; padding: 22px 26px; border-left: 3px solid var(--gold-2);
  background: rgba(212, 175, 55, 0.06); border-radius: 0 12px 12px 0;
  color: var(--gold-1); font-size: 15.5px; line-height: 1.85;
}
.article-body a { color: var(--gold-2); border-bottom: 1px solid var(--border); transition: color 0.2s ease, border-color 0.2s ease; }
.article-body a:hover { color: var(--gold-1); border-color: var(--gold-2); }
.article-cta {
  margin-top: 48px; padding: 34px 32px; text-align: center;
  background: var(--grad-card); border: 1px solid var(--border);
  border-radius: var(--radius); position: relative; overflow: hidden;
}
.article-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 50% 120%, rgba(212, 175, 55, 0.12), transparent 70%);
}
.article-cta h3 { font-size: 21px; margin-bottom: 10px; position: relative; }
.article-cta p { color: var(--text-2); font-size: 14.5px; margin-bottom: 22px; position: relative; }
.article-related { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border-soft); }
.article-related h3 { font-size: 18px; margin-bottom: 20px; color: var(--gold-1); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.related-card {
  padding: 22px; border-radius: var(--radius-sm);
  background: var(--grad-card); border: 1px solid var(--border-soft);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.related-card:hover { border-color: var(--border); transform: translateY(-3px); }
.related-card .news-cat { margin-bottom: 10px; display: inline-block; }
.related-card h4 { font-size: 15px; line-height: 1.5; margin-bottom: 6px; }
.related-card h4 a:hover { color: var(--gold-2); }
.related-card time { font-size: 12px; color: var(--text-3); }

/* ---------- 19. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-card { padding: 40px 36px; text-align: center; }
.contact-card .card-icon { margin: 0 auto 22px; width: 64px; height: 64px; }
.contact-card .card-icon svg { width: 30px; height: 30px; }
.contact-card h3 { font-size: 21px; margin-bottom: 12px; }
.contact-card p { font-size: 14.5px; margin-bottom: 24px; }
.contact-handle {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 700; color: var(--gold-1);
  padding: 12px 26px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(212, 175, 55, 0.06);
  transition: all 0.25s ease;
}
.contact-handle:hover { border-color: var(--gold-2); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.contact-handle svg { width: 20px; height: 20px; color: var(--gold-2); }
.contact-info-list { display: grid; gap: 14px; margin-top: 24px; text-align: left; }
.contact-info-list li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: var(--radius-sm); background: var(--grad-card); border: 1px solid var(--border-soft); font-size: 14px; color: var(--text-2); }
.contact-info-list svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--gold-2); margin-top: 2px; }
.contact-info-list strong { color: var(--text-1); display: block; font-weight: 600; margin-bottom: 2px; }

/* 免责声明条 */
.disclaimer {
  margin-top: 48px; padding: 18px 24px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft); background: rgba(212, 175, 55, 0.04);
  font-size: 13px; color: var(--text-3); line-height: 1.8; text-align: center;
}

/* ---------- 20. 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .platform-row { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(10, 10, 12, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-soft);
    padding: 14px 20px 22px;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav-menu.open { transform: none; opacity: 1; visibility: visible; }
  .nav-menu > li > a { display: block; padding: 13px 14px; font-size: 15.5px; }
  .nav-lang, .header-cta { margin: 8px 0 0; text-align: center; }
  .header-cta .btn { width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .stat-divider { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .news-grid, .related-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .platform-features { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--header-h) + 60px); }
  .hero-trust { gap: 18px; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
}