*, *::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: #0f0e17;
  color: #fffffe;
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { 
  background: linear-gradient(135deg, #1a1932 0%, #0f0e17 100%);
}

/* 导航 — 固定顶部，野兽派风格 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(15,14,23,0.95); backdrop-filter:blur(10px); 
  border-bottom: 3px solid #ff8906;
}
.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:8px; 
  font-weight:800; font-size:1.4rem; text-decoration:none; 
  color: #ff8906; letter-spacing: -1px;
}
.logo-icon { 
  width:40px; height:40px; background: #ff8906; 
  border-radius: 4px; display:flex; align-items:center; 
  justify-content:center; font-size:1.2rem; color: #0f0e17;
  transform: rotate(-5deg);
}
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:700; 
  color: #a7a9be; letter-spacing: 1px; text-transform: uppercase;
  position:relative; transition:0.2s;
}
.main-nav a:hover { color: #ff8906; }
.main-nav a::after {
  content: ''; position:absolute; bottom:-4px; left:0; 
  width:0; height:2px; background: #ff8906; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:10px 24px; border-radius:0; background: #ff8906; 
  color:#0f0e17!important; font-weight:800; text-transform: uppercase;
  letter-spacing: 1px; border: 2px solid #ff8906;
}
.nav-cta:hover { background:#0f0e17; color:#ff8906!important; }
.menu-toggle { display:none; }

/* 首页Hero — 粗野主义排版 */
.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, #ff8906 0%, transparent 70%);
  opacity:0.15; pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:800; 
  padding:6px 16px; background: #ff8906; color:#0f0e17;
  margin-bottom:20px; text-transform: uppercase; letter-spacing: 2px;
  border: 2px solid #ff8906;
}
.hero h1 { 
  font-size:3.6rem; line-height:1.1; margin-bottom:20px; 
  font-weight:900; letter-spacing: -2px; color: #fffffe;
}
.hero p { 
  font-size:1.15rem; opacity:0.8; max-width:560px; margin-bottom:36px; 
  color: #a7a9be; line-height:1.6;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius:0; overflow:hidden; 
  clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
}
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 大胆几何 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:14px 32px; border-radius:0; font-weight:800; 
  cursor:pointer; border:2px solid; text-decoration:none; 
  transition:0.2s; text-transform: uppercase; letter-spacing: 1px;
}
.btn-primary { 
  color:#0f0e17; background:#ff8906; border-color:#ff8906;
}
.btn-primary:hover { 
  background:transparent; color:#ff8906;
}
.btn-outline { 
  background:transparent; border:2px solid #ff8906; color:#ff8906;
}
.btn-outline:hover { 
  background:#ff8906; color:#0f0e17;
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:800; 
  letter-spacing:3px; margin-bottom:12px; color:#ff8906;
  text-transform: uppercase; border-bottom: 2px solid #ff8906;
  padding-bottom:4px;
}
.section-title { 
  font-size:2.4rem; margin-bottom:14px; font-weight:900;
  letter-spacing: -1px; color: #fffffe;
}
.section-desc { 
  max-width:600px; opacity:0.8; margin-bottom:40px; 
  color: #a7a9be; font-size:1.05rem;
}

/* 卡片网格 — 解构主义 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); 
  gap:20px; 
}
.category-card { 
  border-radius:0; padding:32px; 
  border: 2px solid #2e2d3d; background:#1a1932;
  transition:0.3s; position:relative; overflow:hidden;
}
.category-card::before {
  content: ''; position:absolute; top:0; left:0; width:4px; height:100%;
  background: #ff8906; transform: scaleY(0); transition:0.3s;
}
.category-card:hover { 
  transform:translateY(-5px); 
  border-color: #ff8906;
}
.category-card:hover::before { transform: scaleY(1); }
.card-icon { 
  width:52px; height:52px; background:#ff8906; 
  border-radius:0; display:flex; align-items:center; 
  justify-content:center; margin-bottom:18px; font-size:1.4rem;
  color:#0f0e17; transform: rotate(5deg);
}
.card-link { 
  font-weight:700; font-size:0.85rem; text-decoration:none; 
  color:#ff8906; text-transform: uppercase; letter-spacing:1px;
  display:inline-block; margin-top:12px;
}
.card-link:hover { color:#fffffe; }

/* 特性块 — 非对称网格 */
.feature-block { 
  display:grid; grid-template-columns:1.2fr 0.8fr; gap:48px; 
  align-items:center; 
}
.feature-image { 
  border-radius:0; overflow:hidden; 
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { position:relative; }
.feature-text::before {
  content: '◆'; position:absolute; top:-20px; left:-10px;
  font-size:3rem; color:#ff8906; opacity:0.3;
}
.feature-list { list-style:none; margin-top:16px; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px; 
  color:#a7a9be; font-weight:500;
}
.feature-list li::before { 
  content:'→'; font-weight:700; color:#ff8906; 
  font-size:1.1rem;
}

/* 数据条 — 粗野数字 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px; 
  text-align:center; 
}
.stat-item { 
  padding:28px 16px; border: 2px solid #2e2d3d; 
  background:#1a1932; position:relative;
}
.stat-item::after {
  content: ''; position:absolute; bottom:-4px; right:-4px;
  width:20px; height:20px; background:#ff8906;
}
.stat-number { 
  font-size:2.8rem; font-weight:900; color:#ff8906; 
  letter-spacing: -2px;
}
.stat-label { font-size:0.85rem; opacity:0.7; margin-top:6px; color:#a7a9be; }

/* 内容墙 — 杂志风格网格 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:20px; 
}
.content-wall-item { 
  border-radius:0; overflow:hidden; 
  border: 2px solid #2e2d3d; background:#1a1932;
  transition:0.3s; 
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  border-color: #ff8906;
}
.content-wall-item img { 
  width:100%; height:200px; object-fit:cover; 
  filter: grayscale(100%) contrast(120%);
  transition:0.4s;
}
.content-wall-item:hover img { filter: grayscale(0%); }
.content-wall-body { padding:20px; }
.content-wall-body h3 { color:#fffffe; font-weight:800; }
.content-wall-body p { color:#a7a9be; font-size:0.9rem; margin-top:8px; }

/* FAQ — 极简展开 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 2px solid #2e2d3d; border-radius:0; 
  margin-bottom:8px; overflow:hidden; cursor:pointer; 
  background:#1a1932; transition:0.2s;
}
.faq-item:hover { border-color: #ff8906; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:700; display:flex; 
  justify-content:space-between; color:#fffffe;
  letter-spacing: 0.5px;
}
.faq-item .faq-question::after {
  content: '+'; font-size:1.5rem; font-weight:700; color:#ff8906;
  transition:0.3s;
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  color:#a7a9be; line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 大胆色彩 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:0; 
  background: linear-gradient(135deg, #ff8906 0%, #e53170 100%);
  color:#0f0e17; position:relative; overflow:hidden;
}
.cta-banner::before {
  content: '★'; position:absolute; top:-20px; right:20px;
  font-size:8rem; opacity:0.1; color:#0f0e17;
}
.cta-banner h2 { color:#0f0e17; font-size:2.2rem; font-weight:900; }
.cta-banner p { color:#0f0e17; opacity:0.8; margin:16px 0 24px; }
.cta-banner .btn-primary { 
  background:#0f0e17; color:#ff8906; border-color:#0f0e17;
}
.cta-banner .btn-primary:hover { background:transparent; color:#0f0e17; }

/* 页脚 — 深色粗野 */
.site-footer { 
  padding:56px 0 28px; background:#1a1932; 
  border-top: 3px solid #ff8906;
}
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; 
}
.footer-brand h3 { color:#ff8906; font-size:1.4rem; font-weight:900; }
.footer-brand p { color:#a7a9be; font-size:0.9rem; margin-top:12px; }
.footer-col h4 { color:#fffffe; font-weight:700; margin-bottom:12px; text-transform: uppercase; letter-spacing:1px; }
.footer-col a { 
  display:block; color:#a7a9be; text-decoration:none; 
  padding:4px 0; font-size:0.9rem; transition:0.2s;
}
.footer-col a:hover { color:#ff8906; padding-left:4px; }
.footer-bottom { 
  border-top: 1px solid #2e2d3d; margin-top:40px; 
  padding-top:20px; text-align:center; font-size:0.85rem; 
  color:#a7a9be;
}

/* 工具类 */
.text-accent { color:#ff8906; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.8; color:#a7a9be; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 — 保持野兽派精神 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.4rem; }
  .feature-block { grid-template-columns:1fr; }
  .feature-image { clip-path: none; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { 
    display:flex; align-items:center; justify-content:center;
    width:44px; height:44px; background:#ff8906; cursor:pointer;
    border: none; color:#0f0e17; font-size:1.5rem;
  }
  .main-nav.open { 
    display:flex; flex-direction:column; position:absolute; 
    top:68px; left:0; width:100%; background:#1a1932; 
    padding:24px; gap:16px; border-bottom: 3px solid #ff8906;
  }
  .main-nav.open a { font-size:1.1rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size:1.8rem; }
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .hero-buttons { flex-direction:column; }
  .section-title { font-size:1.6rem; }
  .stat-number { font-size:2rem; }
}