*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; overflow-x:hidden; background:#0c0b0f; color:#e8e4f0; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#14121a; }

/* 导航 — 暗色玻璃态 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(12,11,15,0.88); backdrop-filter:blur(16px) saturate(1.2); border-bottom:1px solid rgba(255,215,0,0.12); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; max-width:1200px; margin:0 auto; padding:0 24px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.25rem; text-decoration:none; color:#ffd700; letter-spacing:-0.5px; }
.logo-icon { width:40px; height:40px; border-radius:12px; background:linear-gradient(135deg,#ffd700,#ff8c00); display:flex; align-items:center; justify-content:center; font-size:1.1rem; color:#0c0b0f; font-weight:900; box-shadow:0 0 20px rgba(255,215,0,0.3); }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#b0aac0; transition:0.25s; letter-spacing:0.3px; position:relative; padding:4px 0; }
.main-nav a:hover { color:#ffd700; }
.main-nav a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:#ffd700; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 24px; border-radius:30px; color:#0c0b0f!important; font-weight:700; background:linear-gradient(135deg,#ffd700,#ff8c00); box-shadow:0 0 24px rgba(255,215,0,0.25); transition:0.3s!important; }
.nav-cta:hover { transform:scale(1.04); box-shadow:0 0 32px rgba(255,215,0,0.4); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; color:#e8e4f0; font-size:1.5rem; cursor:pointer; padding:8px; }

/* 首页Hero — 野兽派+渐变流体 */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-30%; right:-20%; width:600px; height:600px; background:radial-gradient(circle,rgba(255,215,0,0.08),transparent 70%); border-radius:50%; pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-20%; left:-10%; width:400px; height:400px; background:radial-gradient(circle,rgba(255,140,0,0.06),transparent 70%); border-radius:50%; pointer-events:none; }
.hero-content { max-width:780px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-block; font-size:0.75rem; font-weight:700; padding:6px 18px; border-radius:30px; margin-bottom:20px; background:rgba(255,215,0,0.12); color:#ffd700; letter-spacing:3px; text-transform:uppercase; border:1px solid rgba(255,215,0,0.2); }
.hero h1 { font-size:3.4rem; line-height:1.15; margin-bottom:22px; font-weight:900; letter-spacing:-1px; background:linear-gradient(135deg,#fff 30%,#ffd700 70%,#ff8c00); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.15rem; opacity:0.7; max-width:560px; margin-bottom:36px; color:#b0aac0; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:16px; overflow:hidden; position:relative; z-index:2; border:1px solid rgba(255,215,0,0.1); box-shadow:0 20px 60px rgba(0,0,0,0.5); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 大胆金色系 */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:30px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; letter-spacing:0.3px; }
.btn-primary { color:#0c0b0f; background:linear-gradient(135deg,#ffd700,#ff8c00); box-shadow:0 0 28px rgba(255,215,0,0.2); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 0 40px rgba(255,215,0,0.35); }
.btn-outline { background:transparent; border:1.5px solid rgba(255,215,0,0.4); color:#ffd700; }
.btn-outline:hover { background:rgba(255,215,0,0.08); border-color:#ffd700; }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.7rem; font-weight:700; letter-spacing:3px; margin-bottom:14px; color:#ffd700; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:16px; font-weight:800; letter-spacing:-0.5px; color:#fff; }
.section-desc { max-width:600px; opacity:0.65; margin-bottom:44px; color:#b0aac0; line-height:1.7; }

/* 卡片网格 — 玻璃态+金色边框 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:28px; }
.category-card { border-radius:16px; padding:32px; background:rgba(255,255,255,0.03); border:1px solid rgba(255,215,0,0.08); backdrop-filter:blur(8px); transition:0.35s; }
.category-card:hover { transform:translateY(-6px); border-color:rgba(255,215,0,0.25); box-shadow:0 12px 40px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,215,0,0.05); }
.card-icon { width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.5rem; background:rgba(255,215,0,0.1); color:#ffd700; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#ffd700; transition:0.2s; display:inline-flex; align-items:center; gap:6px; }
.card-link:hover { gap:12px; }

/* 特性块 — 非对称布局 */
.feature-block { display:grid; grid-template-columns:1.2fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:16px; overflow:hidden; border:1px solid rgba(255,215,0,0.08); box-shadow:0 16px 48px rgba(0,0,0,0.4); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:1.05rem; color:#d0cce0; }
.feature-list li::before { content:'✦'; font-weight:700; color:#ffd700; font-size:1.1rem; }

/* 数据条 — 金色数字 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
.stat-item { padding:28px 16px; border-radius:16px; background:rgba(255,255,255,0.02); border:1px solid rgba(255,215,0,0.06); transition:0.3s; }
.stat-item:hover { border-color:rgba(255,215,0,0.2); transform:translateY(-2px); }
.stat-number { font-size:2.6rem; font-weight:900; color:#ffd700; letter-spacing:-1px; line-height:1; }
.stat-label { font-size:0.9rem; opacity:0.55; margin-top:8px; color:#b0aac0; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:28px; }
.content-wall-item { border-radius:16px; overflow:hidden; background:rgba(255,255,255,0.02); border:1px solid rgba(255,215,0,0.06); transition:0.35s; }
.content-wall-item:hover { transform:translateY(-5px); border-color:rgba(255,215,0,0.2); box-shadow:0 12px 40px rgba(0,0,0,0.3); }
.content-wall-item img { width:100%; height:210px; object-fit:cover; }
.content-wall-body { padding:22px; }
.content-wall-body h4 { color:#fff; margin-bottom:8px; }

/* FAQ — 暗色手风琴 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,215,0,0.08); border-radius:14px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:rgba(255,255,255,0.02); transition:0.25s; }
.faq-item:hover { border-color:rgba(255,215,0,0.18); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; color:#e8e4f0; font-size:1.05rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#ffd700; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#b0aac0; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 金色渐变 */
.cta-banner { padding:64px 24px; text-align:center; border-radius:20px; background:linear-gradient(135deg,#1a1508,#2a2008); border:1px solid rgba(255,215,0,0.15); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:0; left:0; right:0; bottom:0; background:radial-gradient(ellipse at 50% 0%, rgba(255,215,0,0.06), transparent 70%); pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2.2rem; margin-bottom:16px; }
.cta-banner p { color:#b0aac0; margin-bottom:28px; }
.cta-banner .btn-primary { background:#fff; color:#0c0b0f; box-shadow:0 0 30px rgba(255,255,255,0.15); }
.cta-banner .btn-primary:hover { box-shadow:0 0 50px rgba(255,255,255,0.25); }

/* 页脚 */
.site-footer { padding:64px 0 32px; background:#0a090d; border-top:1px solid rgba(255,215,0,0.06); }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { margin-bottom:16px; }
.footer-col { }
.footer-col h5 { color:#fff; margin-bottom:16px; font-size:0.9rem; letter-spacing:1px; text-transform:uppercase; }
.footer-col a { display:block; color:#7a7490; text-decoration:none; padding:4px 0; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#ffd700; }
.footer-bottom { border-top:1px solid rgba(255,215,0,0.06); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; color:#5a5470; }

/* 工具类 */
.text-accent { color:#ffd700; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; color:#b0aac0; line-height:1.8; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:#0c0b0f; padding:24px; border-bottom:1px solid rgba(255,215,0,0.1); gap:16px; }
  .hero h1 { font-size:2.4rem; }
  .section-title { font-size:1.8rem; }
}
@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size:2rem; }
  .stat-number { font-size:2rem; }
}