*, *::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:#0d0d0d; color:#e0e0e0; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#111; }

.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(13,13,13,0.92); backdrop-filter:blur(12px); 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:1.3rem; text-decoration:none; color:#f0f0f0; letter-spacing:1px; }
.logo-icon { width:38px; height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1rem; background:linear-gradient(135deg,#ff6b6b,#ee5a24); color:#fff; box-shadow:0 0 20px rgba(255,107,107,0.3); }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.85rem; font-weight:500; color:#aaa; transition:0.3s; letter-spacing:0.5px; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#ff6b6b; transition:0.3s; }
.main-nav a:hover { color:#fff; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:8px 22px; border-radius:30px; color:#fff!important; font-weight:600; background:linear-gradient(135deg,#ff6b6b,#ee5a24); box-shadow:0 4px 15px rgba(255,107,107,0.3); border:none; }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:transparent; border:1px solid rgba(255,255,255,0.2); color:#fff; padding:8px 14px; border-radius:6px; cursor:pointer; font-size:1.2rem; }

.hero { min-height:80vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-30%; right:-20%; width:500px; height:500px; background:radial-gradient(circle,rgba(255,107,107,0.08),transparent 70%); border-radius:50%; pointer-events:none; }
.hero-content { max-width:720px; 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:18px; background:rgba(255,107,107,0.15); color:#ff6b6b; border:1px solid rgba(255,107,107,0.3); letter-spacing:2px; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:18px; font-weight:900; color:#fff; letter-spacing:-1px; }
.hero h1 span { background:linear-gradient(135deg,#ff6b6b,#ee5a24); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.6; max-width:560px; margin-bottom:36px; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:16px; overflow:hidden; position:relative; z-index:1; }
.hero-image img { width:100%; height:auto; }

.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:0.9rem; letter-spacing:0.5px; }
.btn-primary { color:#fff; background:linear-gradient(135deg,#ff6b6b,#ee5a24); box-shadow:0 6px 20px rgba(255,107,107,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(255,107,107,0.4); }
.btn-outline { background:transparent; border:1.5px solid rgba(255,255,255,0.2); color:#fff; }
.btn-outline:hover { border-color:#ff6b6b; color:#ff6b6b; transform:translateY(-2px); }

.section-label { display:inline-block; font-size:0.7rem; font-weight:700; letter-spacing:3px; margin-bottom:14px; color:#ff6b6b; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:12px; color:#fff; font-weight:800; letter-spacing:-0.5px; }
.section-desc { max-width:600px; opacity:0.6; margin-bottom:44px; line-height:1.7; }

.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:16px; padding:32px 28px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); transition:0.4s; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg,#ff6b6b,#ee5a24); transform:scaleX(0); transform-origin:left; transition:0.4s; }
.category-card:hover { transform:translateY(-5px); border-color:rgba(255,107,107,0.2); background:rgba(255,107,107,0.04); }
.category-card:hover::before { transform:scaleX(1); }
.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(255,107,107,0.1); color:#ff6b6b; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#ff6b6b; display:inline-flex; align-items:center; gap:4px; }

.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:16px; overflow:hidden; position:relative; }
.feature-image::after { content:''; position:absolute; inset:0; border:1px solid rgba(255,107,107,0.1); border-radius:16px; pointer-events:none; }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#ccc; font-size:0.95rem; }
.feature-list li::before { content:'→'; font-weight:700; color:#ff6b6b; }

.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
.stat-item { padding:32px 20px; border-radius:16px; border:1px solid rgba(255,255,255,0.06); background:rgba(255,255,255,0.02); transition:0.3s; }
.stat-item:hover { border-color:rgba(255,107,107,0.2); }
.stat-number { font-size:2.6rem; font-weight:900; color:#fff; line-height:1; }
.stat-number span { color:#ff6b6b; }
.stat-label { font-size:0.85rem; opacity:0.5; margin-top:8px; letter-spacing:1px; }

.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1px solid rgba(255,255,255,0.06); transition:0.4s; background:rgba(255,255,255,0.02); }
.content-wall-item:hover { transform:translateY(-5px); border-color:rgba(255,107,107,0.2); }
.content-wall-item img { width:100%; height:210px; object-fit:cover; }
.content-wall-body { padding:22px; }
.content-wall-body h3 { color:#fff; margin-bottom:8px; }
.content-wall-body p { opacity:0.6; font-size:0.9rem; line-height:1.6; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,255,255,0.06); border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; transition:0.3s; background:rgba(255,255,255,0.02); }
.faq-item:hover { border-color:rgba(255,107,107,0.15); }
.faq-item .faq-question { padding:18px 24px; font-weight:600; display:flex; justify-content:space-between; color:#fff; font-size:1rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.2rem; color:#ff6b6b; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.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:64px 32px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg,#ff6b6b,#ee5a24); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-50%; right:-30%; width:400px; height:400px; background:rgba(255,255,255,0.05); border-radius:50%; pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:10px; }
.cta-banner p { opacity:0.8; margin-bottom:24px; }
.cta-banner .btn-primary { background:#fff; color:#ee5a24; box-shadow:0 6px 20px rgba(0,0,0,0.2); }
.cta-banner .btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(0,0,0,0.3); }

.site-footer { padding:60px 0 32px; border-top:1px solid rgba(255,255,255,0.05); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand h3 { color:#fff; margin-bottom:12px; }
.footer-brand p { opacity:0.5; font-size:0.9rem; line-height:1.7; }
.footer-col { }
.footer-col h4 { color:#fff; font-size:0.9rem; margin-bottom:16px; letter-spacing:1px; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { color:#888; text-decoration:none; font-size:0.85rem; transition:0.3s; }
.footer-col ul li a:hover { color:#ff6b6b; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.05); margin-top:40px; padding-top:24px; text-align:center; font-size:0.8rem; opacity:0.4; }

.text-accent { color:#ff6b6b; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; 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); 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:68px; left:0; width:100%; background:#0d0d0d; padding:24px; border-bottom:1px solid rgba(255,255,255,0.06); gap:16px; }
  .hero h1 { font-size:2.2rem; }
  .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; gap:24px; }
  .hero-buttons { flex-direction:column; gap:12px; }
  .hero h1 { font-size:1.8rem; }
  .section-title { font-size:1.5rem; }
  .section { padding:56px 0; }
  .stat-number { font-size:2rem; }
}