*, *::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:#0a0a0f; color:#e8e6e3; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#12121a; }

.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(10,10,15,0.92); 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:700; font-size:1.3rem; text-decoration:none; color:#e8e6e3; letter-spacing:2px; text-transform:uppercase; }
.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,#ff6b35,#f7c948); color:#0a0a0f; 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:400; color:#888; transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94); letter-spacing:1px; text-transform:uppercase; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:1px; background:#ff6b35; transition:width 0.3s; }
.main-nav a:hover { color:#e8e6e3; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 24px; border-radius:0; color:#0a0a0f!important; font-weight:700; background:linear-gradient(135deg,#ff6b35,#f7c948); transition:all 0.3s; letter-spacing:0; text-transform:none; }
.nav-cta:hover { transform:scale(1.05); box-shadow:0 0 40px rgba(255,107,53,0.3); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; color:#e8e6e3; font-size:1.5rem; cursor:pointer; }

.hero { min-height:85vh; 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(255,107,53,0.15),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 18px; border-radius:0; margin-bottom:20px; background:rgba(255,107,53,0.12); color:#ff6b35; letter-spacing:3px; text-transform:uppercase; }
.hero h1 { font-size:3.5rem; line-height:1.05; margin-bottom:24px; font-weight:800; letter-spacing:-1px; background:linear-gradient(135deg,#e8e6e3 30%,#ff6b35); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.15rem; opacity:0.55; max-width:520px; margin-bottom:40px; line-height:1.6; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:0; overflow:hidden; position:relative; }
.hero-image img { width:100%; height:auto; filter:grayscale(0.3) contrast(1.1); }

.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:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94); font-size:0.85rem; letter-spacing:1px; text-transform:uppercase; }
.btn-primary { color:#0a0a0f; background:linear-gradient(135deg,#ff6b35,#f7c948); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 40px rgba(255,107,53,0.35); }
.btn-outline { background:transparent; border:1.5px solid rgba(255,255,255,0.2); color:#e8e6e3; }
.btn-outline:hover { border-color:#ff6b35; background:rgba(255,107,53,0.08); }

.section-label { display:inline-block; font-size:0.7rem; font-weight:700; letter-spacing:4px; margin-bottom:14px; color:#ff6b35; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:16px; font-weight:700; letter-spacing:-0.5px; line-height:1.15; }
.section-desc { max-width:600px; opacity:0.5; 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:2px; }
.category-card { border-radius:0; padding:40px 32px; border:1px solid rgba(255,255,255,0.04); transition:all 0.4s cubic-bezier(0.25,0.46,0.45,0.94); background:rgba(255,255,255,0.02); position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:3px; height:0; background:linear-gradient(180deg,#ff6b35,#f7c948); transition:height 0.4s; }
.category-card:hover { transform:translateY(-4px); background:rgba(255,255,255,0.04); border-color:rgba(255,107,53,0.15); }
.category-card:hover::before { height:100%; }
.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(255,107,53,0.1); color:#ff6b35; }
.card-link { font-weight:600; font-size:0.8rem; text-decoration:none; color:#ff6b35; letter-spacing:1px; text-transform:uppercase; transition:gap 0.3s; display:inline-flex; align-items:center; gap:6px; }
.card-link:hover { gap:12px; }

.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:0; overflow:hidden; position:relative; }
.feature-image::after { content:''; position:absolute; top:0; left:0; width:100%; height:100%; background:linear-gradient(135deg,rgba(255,107,53,0.1),transparent 50%); pointer-events:none; }
.feature-image img { width:100%; height:auto; filter:grayscale(0.2); }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:0.95rem; border-bottom:1px solid rgba(255,255,255,0.04); }
.feature-list li::before { content:'→'; font-weight:700; color:#ff6b35; }

.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:2px; }
.stat-item { padding:40px 24px; border:1px solid rgba(255,255,255,0.04); text-align:center; background:rgba(255,255,255,0.02); }
.stat-number { font-size:2.8rem; font-weight:800; background:linear-gradient(135deg,#e8e6e3,#ff6b35); -webkit-background-clip:text; -webkit-text-fill-color:transparent; line-height:1; }
.stat-label { font-size:0.8rem; opacity:0.4; margin-top:8px; letter-spacing:2px; text-transform:uppercase; }

.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:2px; }
.content-wall-item { border-radius:0; overflow:hidden; border:1px solid rgba(255,255,255,0.04); transition:all 0.4s; background:rgba(255,255,255,0.02); }
.content-wall-item:hover { transform:translateY(-4px); background:rgba(255,255,255,0.04); border-color:rgba(255,107,53,0.15); }
.content-wall-item img { width:100%; height:220px; object-fit:cover; filter:grayscale(0.3); transition:filter 0.4s; }
.content-wall-item:hover img { filter:grayscale(0); }
.content-wall-body { padding:24px 28px; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,255,255,0.06); border-radius:0; margin-bottom:2px; overflow:hidden; cursor:pointer; background:rgba(255,255,255,0.02); transition:background 0.3s; }
.faq-item:hover { background:rgba(255,255,255,0.04); }
.faq-item .faq-question { padding:20px 24px; font-weight:600; display:flex; justify-content:space-between; align-items:center; font-size:0.95rem; letter-spacing:0.5px; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#ff6b35; transition:transform 0.3s; }
.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; }
.faq-item.open .faq-answer { display:block; }

.cta-banner { padding:80px 24px; text-align:center; border-radius:0; color:#e8e6e3; background:linear-gradient(135deg,#0a0a0f 0%,#1a1a2e 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-50%; left:-30%; width:100%; height:200%; background:radial-gradient(ellipse,rgba(255,107,53,0.08),transparent 60%); }
.cta-banner h2 { color:#e8e6e3; font-size:2.2rem; position:relative; }
.cta-banner .btn-primary { background:#fff; color:#0a0a0f; margin-top:24px; }
.cta-banner .btn-primary:hover { box-shadow:0 8px 40px rgba(255,255,255,0.2); }

.site-footer { padding:64px 0 32px; 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:0.75rem; font-weight:700; letter-spacing:3px; text-transform:uppercase; margin-bottom:20px; color:#888; }
.footer-col a { display:block; color:#666; text-decoration:none; padding:6px 0; font-size:0.9rem; transition:color 0.3s; }
.footer-col a:hover { color:#ff6b35; }
.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:#555; letter-spacing:1px; }

.text-accent { color:#ff6b35; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.5; 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: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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#0a0a0f; padding:24px; border-bottom:1px solid rgba(255,255,255,0.06); gap:16px; }
  .hero h1 { font-size:2.5rem; }
  .section-title { font-size:1.8rem; }
  .stat-number { font-size:2.2rem; }
}
@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; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:1.8rem; }
}