*, *::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:#fef8f0; color:#2d2a1e; }

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:linear-gradient(135deg, #fef8f0 0%, #f5efe6 100%); }

/* 导航 — 蛛网风格 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(254,248,240,0.92); backdrop-filter:blur(12px); border-bottom:2px solid #d4c9b8; }
.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:1.3rem; text-decoration:none; color:#2d2a1e; letter-spacing:1px; }
.logo-icon { width:40px; height:40px; border-radius:50%; background:radial-gradient(circle at 30% 30%, #e8d5b7, #c9b699); display:flex; align-items:center; justify-content:center; font-size:1.1rem; box-shadow:0 2px 12px rgba(0,0,0,0.06); }
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#5a5343; transition:0.3s; position:relative; padding:4px 0; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:#b8a48c; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#2d2a1e; }
.nav-cta { padding:10px 24px; border-radius:50px; background:linear-gradient(135deg, #b8a48c, #a08b73); color:#fff!important; font-weight:600; box-shadow:0 2px 12px rgba(184,164,140,0.3); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; }
.menu-toggle span { width:26px; height:2px; background:#2d2a1e; border-radius:2px; transition:0.3s; }

/* 首页Hero — 蛛网纹理 */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; 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='%23d4c9b8' fill-opacity='0.15'%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"); }
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:700; padding:6px 18px; border-radius:50px; background:#e8d5b7; color:#5a5343; letter-spacing:2px; margin-bottom:20px; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; color:#2d2a1e; font-weight:800; letter-spacing:-0.5px; }
.hero h1 span { color:#a08b73; }
.hero p { font-size:1.1rem; color:#6b6252; max-width:540px; margin-bottom:36px; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { position:relative; border-radius:20px; overflow:hidden; box-shadow:0 12px 40px rgba(0,0,0,0.04); }
.hero-image img { width:100%; height:auto; display:block; }
.hero::before { content:''; position:absolute; top:-60px; right:-60px; width:300px; height:300px; border-radius:50%; background:radial-gradient(circle at center, #e8d5b7 0%, transparent 70%); opacity:0.3; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:50px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #b8a48c, #8f7a62); box-shadow:0 4px 20px rgba(184,164,140,0.25); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(184,164,140,0.35); }
.btn-outline { background:transparent; border:2px solid #b8a48c; color:#5a5343; }
.btn-outline:hover { background:#b8a48c; color:#fff; }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:700; letter-spacing:3px; margin-bottom:14px; color:#a08b73; text-transform:uppercase; }
.section-title { font-size:2.4rem; margin-bottom:16px; color:#2d2a1e; font-weight:800; letter-spacing:-0.3px; }
.section-desc { max-width:600px; color:#6b6252; margin-bottom:48px; line-height:1.7; }

/* 卡片网格 — 蛛网状 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.category-card { border-radius:16px; padding:32px; background:#fff; border:1px solid #e8dfd2; transition:0.4s; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg, #b8a48c, #d4c9b8); opacity:0; transition:0.4s; }
.category-card:hover { transform:translateY(-6px); box-shadow:0 12px 32px rgba(0,0,0,0.04); border-color:#c9b699; }
.category-card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:14px; background:linear-gradient(135deg, #f5efe6, #e8d5b7); display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:1.4rem; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#a08b73; display:inline-flex; align-items:center; gap:6px; }
.card-link::after { content:'→'; transition:0.3s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; box-shadow:0 8px 32px rgba(0,0,0,0.04); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; color:#5a5343; font-size:1rem; }
.feature-list li::before { content:'✦'; font-weight:400; color:#b8a48c; font-size:1.2rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:32px 20px; border-radius:16px; background:#fff; border:1px solid #e8dfd2; transition:0.3s; }
.stat-item:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,0.03); }
.stat-number { font-size:2.6rem; font-weight:800; color:#2d2a1e; letter-spacing:-1px; }
.stat-number span { color:#a08b73; }
.stat-label { font-size:0.9rem; color:#6b6252; margin-top:8px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:28px; }
.content-wall-item { border-radius:16px; overflow:hidden; background:#fff; border:1px solid #e8dfd2; transition:0.4s; }
.content-wall-item:hover { transform:translateY(-6px); box-shadow:0 12px 32px rgba(0,0,0,0.04); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.1rem; margin-bottom:8px; }
.content-wall-body p { color:#6b6252; font-size:0.9rem; line-height:1.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #e8dfd2; border-radius:14px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.3s; }
.faq-item:hover { border-color:#c9b699; }
.faq-item .faq-question { padding:18px 24px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#2d2a1e; font-size:1rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#b8a48c; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 24px 20px; display:none; color:#6b6252; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { padding:64px 24px; text-align:center; border-radius:20px; background:linear-gradient(135deg, #b8a48c, #8f7a62); color:#fff; position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-40px; right:-40px; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.04); }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:16px; }
.cta-banner p { color:rgba(255,255,255,0.8); margin-bottom:28px; }
.cta-banner .btn-primary { background:#fff; color:#5a5343; box-shadow:0 4px 20px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { background:#f5efe6; }

/* 页脚 */
.site-footer { padding:64px 0 32px; background:#2d2a1e; color:#d4c9b8; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand h3 { color:#f5efe6; font-size:1.2rem; margin-bottom:12px; }
.footer-brand p { opacity:0.7; font-size:0.9rem; line-height:1.6; }
.footer-col h4 { color:#f5efe6; margin-bottom:16px; font-size:0.95rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { color:#b8a48c; text-decoration:none; font-size:0.9rem; transition:0.3s; }
.footer-col ul li a:hover { color:#f5efe6; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.08); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; opacity:0.6; }

/* 工具类 */
.text-accent { color:#a08b73; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; color:#6b6252; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.2rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:#fef8f0; padding:24px; gap:16px; border-bottom:2px solid #d4c9b8; }
  .hero::before { display:none; }
}
@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; }
}