*, *::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:#0a0b0e; color:#e8e6e3; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#111316; }

.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(10,11,14,0.92); backdrop-filter:blur(16px); border-bottom:1px solid rgba(255,255,255,0.06); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:68px; 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:36px; height:36px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:1.2rem; background:linear-gradient(135deg,#f7931a,#ffb347); color:#0a0b0e; 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:all 0.3s cubic-bezier(0.4,0,0.2,1); color:rgba(232,230,227,0.7); letter-spacing:0.3px; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:linear-gradient(90deg,#f7931a,#ffb347); transition:width 0.3s ease; }
.main-nav a:hover { color:#e8e6e3; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 24px; border-radius:4px; color:#0a0b0e!important; font-weight:700; background:linear-gradient(135deg,#f7931a,#ffb347); transition:all 0.3s ease!important; }
.nav-cta::after { display:none!important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(247,147,26,0.35); }
.menu-toggle { display:none; background:none; border:none; color:#e8e6e3; font-size:1.4rem; cursor:pointer; padding:8px; }

.hero { min-height:80vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-40%; right:-20%; width:600px; height:600px; background:radial-gradient(circle,rgba(247,147,26,0.08) 0%,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:2px; margin-bottom:20px; background:rgba(247,147,26,0.15); color:#f7931a; letter-spacing:2px; text-transform:uppercase; }
.hero h1 { font-size:3.6rem; line-height:1.05; margin-bottom:24px; font-weight:900; letter-spacing:-1.5px; background:linear-gradient(135deg,#e8e6e3 40%,#f7931a 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.15rem; opacity:0.55; max-width:520px; margin-bottom:36px; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:4px; overflow:hidden; position:relative; }
.hero-image img { width:100%; height:auto; display:block; }

.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:4px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:all 0.3s cubic-bezier(0.4,0,0.2,1); font-size:0.9rem; letter-spacing:0.3px; }
.btn-primary { color:#0a0b0e; background:linear-gradient(135deg,#f7931a,#ffb347); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 12px 32px rgba(247,147,26,0.3); }
.btn-outline { background:transparent; border:1.5px solid rgba(232,230,227,0.2); color:#e8e6e3; }
.btn-outline:hover { border-color:#f7931a; background:rgba(247,147,26,0.08); }

.section-label { display:inline-block; font-size:0.7rem; font-weight:700; letter-spacing:3px; margin-bottom:14px; color:#f7931a; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:16px; font-weight:800; letter-spacing:-0.8px; line-height:1.15; }
.section-desc { max-width:600px; opacity:0.55; margin-bottom:48px; font-size:1.05rem; line-height:1.7; }

.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.category-card { border-radius:4px; padding:32px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); transition:all 0.4s cubic-bezier(0.4,0,0.2,1); position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,#f7931a,transparent); opacity:0; transition:opacity 0.3s ease; }
.category-card:hover { transform:translateY(-6px); border-color:rgba(247,147,26,0.2); background:rgba(247,147,26,0.04); }
.category-card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:4px; display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:1.5rem; background:rgba(247,147,26,0.12); color:#f7931a; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#f7931a; display:inline-flex; align-items:center; gap:6px; transition:gap 0.3s ease; }
.card-link:hover { gap:12px; }

.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:4px; overflow:hidden; position:relative; }
.feature-image::after { content:''; position:absolute; top:0; left:0; width:100%; height:100%; border:1px solid rgba(247,147,26,0.1); border-radius:4px; pointer-events:none; }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; margin-top:16px; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:0.95rem; opacity:0.85; }
.feature-list li::before { content:'→'; font-weight:700; color:#f7931a; font-size:1.1rem; }

.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:32px 20px; border-radius:4px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); }
.stat-number { font-size:2.8rem; font-weight:900; background:linear-gradient(135deg,#e8e6e3 40%,#f7931a 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; line-height:1; }
.stat-label { font-size:0.85rem; opacity:0.5; margin-top:8px; letter-spacing:0.5px; }

.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:20px; }
.content-wall-item { border-radius:4px; overflow:hidden; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); transition:all 0.4s cubic-bezier(0.4,0,0.2,1); }
.content-wall-item:hover { transform:translateY(-6px); border-color:rgba(247,147,26,0.2); }
.content-wall-item img { width:100%; height:220px; object-fit:cover; display:block; }
.content-wall-body { padding:24px; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,255,255,0.06); border-radius:4px; margin-bottom:8px; overflow:hidden; cursor:pointer; transition:border-color 0.3s ease; background:rgba(255,255,255,0.02); }
.faq-item:hover { border-color:rgba(247,147,26,0.2); }
.faq-item .faq-question { padding:20px 24px; font-weight:600; display:flex; justify-content:space-between; align-items:center; font-size:0.95rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#f7931a; transition:transform 0.3s ease; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.6; line-height:1.7; font-size:0.9rem; }
.faq-item.open .faq-answer { display:block; }

.cta-banner { padding:64px 24px; text-align:center; border-radius:4px; background:linear-gradient(135deg,#1a1c23 0%,#0a0b0e 100%); border:1px solid rgba(247,147,26,0.15); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-50%; left:-20%; width:600px; height:600px; background:radial-gradient(circle,rgba(247,147,26,0.06) 0%,transparent 70%); pointer-events:none; }
.cta-banner h2 { color:#e8e6e3; font-size:2rem; margin-bottom:16px; }
.cta-banner .btn-primary { background:#e8e6e3; color:#0a0b0e; }
.cta-banner .btn-primary:hover { background:#fff; box-shadow:0 12px 32px rgba(232,230,227,0.15); }

.site-footer { padding:64px 0 32px; background:#0d0e12; border-top:1px solid rgba(255,255,255,0.04); }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-col { }
.footer-col h4 { font-size:0.8rem; font-weight:700; margin-bottom:16px; letter-spacing:1px; color:rgba(232,230,227,0.5); text-transform:uppercase; }
.footer-col a { display:block; color:rgba(232,230,227,0.5); text-decoration:none; padding:4px 0; font-size:0.85rem; transition:color 0.3s ease; }
.footer-col a:hover { color:#f7931a; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.04); margin-top:48px; padding-top:24px; text-align:center; font-size:0.8rem; color:rgba(232,230,227,0.3); }

.text-accent { color:#f7931a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.55; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#0d0e12; padding:24px; gap:16px; border-bottom:1px solid rgba(255,255,255,0.06); }
  .main-nav.open a { padding:8px 0; font-size:1rem; }
  .hero h1 { font-size:2.4rem; }
  .section-title { font-size:1.8rem; }
  .hero { min-height:60vh; }
}
@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:1.8rem; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:2rem; }
}