*, *::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:#0a0a0a; color:#e8e6e3; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#111111; }

.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(10,10,10,0.92); backdrop-filter:blur(12px); border-bottom:1px solid rgba(255,215,0,0.15); }
.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:1.4rem; text-decoration:none; color:#e8e6e3; letter-spacing:-0.5px; }
.logo-icon { width:40px; height:40px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; background:linear-gradient(135deg,#ffd700,#ff8c00); color:#0a0a0a; font-weight:900; }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.85rem; font-weight:500; transition:0.3s; color:#a0a0a0; letter-spacing:0.5px; position:relative; }
.main-nav a:hover { color:#ffd700; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; 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:0; color:#0a0a0a!important; font-weight:700; background:#ffd700; text-transform:uppercase; letter-spacing:1px; font-size:0.8rem!important; }
.nav-cta:hover { background:#ffed4a!important; color:#0a0a0a!important; }
.menu-toggle { display:none; background:none; border:none; color:#e8e6e3; font-size:1.5rem; cursor:pointer; }

.hero { min-height:80vh; 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%); pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.75rem; font-weight:700; padding:6px 16px; border-radius:0; margin-bottom:20px; background:rgba(255,215,0,0.12); color:#ffd700; letter-spacing:2px; text-transform:uppercase; }
.hero h1 { font-size:3.5rem; line-height:1.1; margin-bottom:24px; font-weight:900; letter-spacing:-1.5px; color:#ffffff; }
.hero h1 span { color:#ffd700; }
.hero p { font-size:1.15rem; opacity:0.65; max-width:520px; margin-bottom:36px; line-height:1.7; color:#b0b0b0; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:0; overflow:hidden; box-shadow:0 20px 60px rgba(255,215,0,0.08); }

.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:0; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.9rem; letter-spacing:0.5px; }
.btn-primary { color:#0a0a0a; background:#ffd700; }
.btn-primary:hover { background:#ffed4a; transform:translateY(-2px); }
.btn-outline { background:transparent; border:2px solid #ffd700; color:#ffd700; }
.btn-outline:hover { background:rgba(255,215,0,0.1); transform:translateY(-2px); }

.section-label { display:inline-block; font-size:0.7rem; font-weight:700; letter-spacing:3px; margin-bottom:16px; color:#ffd700; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:16px; font-weight:800; letter-spacing:-0.5px; color:#ffffff; }
.section-desc { max-width:600px; opacity:0.6; margin-bottom:48px; line-height:1.8; color:#a0a0a0; }

.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.category-card { border-radius:0; padding:32px; border:1px solid rgba(255,215,0,0.1); transition:0.4s; background:#111111; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:4px; height:100%; background:#ffd700; transform:scaleY(0); transition:0.4s; }
.category-card:hover { transform:translateY(-4px); border-color:rgba(255,215,0,0.3); }
.category-card:hover::before { transform:scaleY(1); }
.card-icon { width:52px; height:52px; border-radius:0; display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:1.5rem; background:rgba(255,215,0,0.1); color:#ffd700; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#ffd700; display:inline-flex; align-items:center; gap:6px; }

.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:0; overflow:hidden; box-shadow:0 10px 40px rgba(0,0,0,0.3); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text h2 { color:#ffffff; }
.feature-list { list-style:none; margin-top:20px; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:1rem; border-bottom:1px solid rgba(255,255,255,0.05); }
.feature-list li::before { content:'✦'; font-weight:700; color:#ffd700; font-size:1.1rem; }

.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; text-align:center; }
.stat-item { padding:32px 20px; border-radius:0; border:1px solid rgba(255,215,0,0.08); background:#111111; transition:0.3s; }
.stat-item:hover { border-color:rgba(255,215,0,0.3); }
.stat-number { font-size:2.8rem; font-weight:900; color:#ffd700; letter-spacing:-1px; }
.stat-label { font-size:0.85rem; opacity:0.5; margin-top:8px; text-transform:uppercase; letter-spacing:1px; }

.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:20px; }
.content-wall-item { border-radius:0; overflow:hidden; border:1px solid rgba(255,215,0,0.08); transition:0.4s; background:#111111; }
.content-wall-item:hover { transform:translateY(-4px); border-color:rgba(255,215,0,0.3); }
.content-wall-item img { width:100%; height:220px; object-fit:cover; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { color:#ffffff; margin-bottom:8px; }
.content-wall-body p { opacity:0.6; font-size:0.9rem; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,215,0,0.1); border-radius:0; margin-bottom:8px; overflow:hidden; cursor:pointer; background:#111111; transition:0.3s; }
.faq-item:hover { border-color:rgba(255,215,0,0.3); }
.faq-item .faq-question { padding:20px 24px; font-weight:700; display:flex; justify-content:space-between; color:#ffffff; font-size:1rem; }
.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 24px 20px; display:none; opacity:0.65; line-height:1.8; color:#b0b0b0; }
.faq-item.open .faq-answer { display:block; }

.cta-banner { padding:64px 24px; text-align:center; border-radius:0; color:#0a0a0a; background:linear-gradient(135deg,#ffd700,#ff8c00); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:0; left:0; right:0; bottom:0; background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); opacity:0.3; }
.cta-banner h2 { color:#0a0a0a; font-size:2.2rem; position:relative; }
.cta-banner p { color:#0a0a0a; opacity:0.8; position:relative; }
.cta-banner .btn-primary { background:#0a0a0a; color:#ffd700; }
.cta-banner .btn-primary:hover { background:#1a1a1a; }

.site-footer { padding:64px 0 32px; background:#0a0a0a; 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 p { opacity:0.5; max-width:300px; margin-top:16px; line-height:1.7; }
.footer-col h4 { color:#ffd700; margin-bottom:20px; font-size:0.9rem; text-transform:uppercase; letter-spacing:1px; }
.footer-col a { display:block; color:#808080; text-decoration:none; padding:6px 0; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#ffd700; }
.footer-bottom { border-top:1px solid rgba(255,215,0,0.08); margin-top:48px; padding-top:24px; text-align:center; font-size:0.8rem; color:#606060; }

.text-accent { color:#ffd700; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.55; line-height:1.8; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

@media (max-width: 768px) {
  .hero h1 { font-size:2.4rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; width:44px; height:44px; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:#0a0a0a; padding:24px; gap:16px; border-bottom:1px solid rgba(255,215,0,0.1); }
  .main-nav.open a { padding:12px 0; font-size:1rem; }
  .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:2.2rem; }
  .cta-banner h2 { font-size:1.6rem; }
}