*, *::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:#f5f0eb; color:#2a2520; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#ede6de; }

/* 导航 — 暖白玻璃质地 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(245,240,235,0.88); backdrop-filter:blur(14px) saturate(1.2); border-bottom:1px solid rgba(180,160,140,0.25); }
.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:700; font-size:1.2rem; text-decoration:none; color:#2a2520; letter-spacing:-0.3px; }
.logo-icon { width:36px; height:36px; border-radius:50%; background:#c7a07a; color:#f5f0eb; display:flex; align-items:center; justify-content:center; font-size:1rem; box-shadow:0 2px 8px rgba(199,160,122,0.3); }
.main-nav { display:flex; align-items:center; gap:24px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#5a4a3a; transition:0.2s; position:relative; }
.main-nav a:hover { color:#c7a07a; }
.nav-cta { padding:8px 20px; border-radius:50px; background:#c7a07a; color:#f5f0eb!important; font-weight:600; box-shadow:0 2px 12px rgba(199,160,122,0.3); }
.nav-cta:hover { background:#b8906a; transform:translateY(-1px); }
.menu-toggle { display:none; background:none; border:none; font-size:1.4rem; color:#2a2520; cursor:pointer; }

/* 首页Hero — 斜切层叠 */
.hero { min-height:70vh; display:flex; align-items:center; position:relative; overflow:hidden; padding-top:68px; }
.hero::before { content:''; position:absolute; top:-40%; right:-20%; width:60%; height:120%; background:linear-gradient(135deg, #e3d5c8 0%, #c7a07a 100%); transform:skewX(-8deg); border-radius:0 0 0 120px; opacity:0.35; z-index:0; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.85rem; font-weight:600; padding:4px 16px; border-radius:50px; background:rgba(199,160,122,0.2); color:#8a6a4a; margin-bottom:16px; letter-spacing:0.5px; backdrop-filter:blur(4px); }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:20px; font-weight:800; letter-spacing:-0.5px; color:#2a2520; }
.hero h1::after { content:'✦'; display:inline-block; margin-left:8px; color:#c7a07a; font-size:0.7em; vertical-align:super; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; color:#4a3a2a; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:12px; overflow:hidden; box-shadow:0 8px 32px rgba(0,0,0,0.06); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 陶土质感 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 28px; border-radius:50px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.95rem; }
.btn-primary { background:#c7a07a; color:#f5f0eb; box-shadow:0 3px 14px rgba(199,160,122,0.35); }
.btn-primary:hover { background:#b8906a; transform:translateY(-2px); box-shadow:0 6px 20px rgba(199,160,122,0.4); }
.btn-outline { background:transparent; border:1.5px solid #c7a07a; color:#c7a07a; }
.btn-outline:hover { background:rgba(199,160,122,0.08); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:600; letter-spacing:3px; text-transform:uppercase; color:#c7a07a; margin-bottom:12px; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:700; letter-spacing:-0.3px; color:#2a2520; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#4a3a2a; font-size:1rem; }

/* 卡片网格 — 毛边卡纸 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:16px; padding:32px 28px; background:#faf6f2; border:1px solid rgba(180,160,140,0.2); transition:0.3s; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; right:0; height:4px; background:linear-gradient(90deg, #c7a07a, #e3d5c8); opacity:0; transition:0.3s; }
.category-card:hover { transform:translateY(-4px); box-shadow:0 8px 28px rgba(199,160,122,0.15); border-color:rgba(199,160,122,0.3); }
.category-card:hover::before { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:14px; background:linear-gradient(135deg, #ede6de, #e3d5c8); display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.4rem; color:#8a6a4a; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#c7a07a; display:inline-flex; align-items:center; gap:4px; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { border-radius:16px; overflow:hidden; box-shadow:0 6px 24px rgba(0,0,0,0.05); }
.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; font-size:0.95rem; color:#3a2a1a; }
.feature-list li::before { content:'✦'; font-weight:700; color:#c7a07a; font-size:0.85rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:16px; background:#faf6f2; border:1px solid rgba(180,160,140,0.15); }
.stat-number { font-size:2.4rem; font-weight:800; color:#2a2520; letter-spacing:-0.5px; }
.stat-number::after { content:'+'; color:#c7a07a; font-size:0.6em; vertical-align:super; margin-left:2px; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#5a4a3a; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:16px; overflow:hidden; background:#faf6f2; border:1px solid rgba(180,160,140,0.15); transition:0.3s; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 8px 28px rgba(199,160,122,0.12); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px 24px; }
.content-wall-body h3 { font-size:1.1rem; margin-bottom:6px; color:#2a2520; }
.content-wall-body p { font-size:0.9rem; opacity:0.6; color:#4a3a2a; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(180,160,140,0.2); border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#faf6f2; transition:0.2s; }
.faq-item:hover { border-color:rgba(199,160,122,0.3); }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; color:#2a2520; font-size:0.95rem; }
.faq-item .faq-question::after { content:'+'; color:#c7a07a; font-size:1.2rem; transition:0.2s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#4a3a2a; line-height:1.6; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { padding:60px 32px; text-align:center; border-radius:20px; background:linear-gradient(135deg, #c7a07a, #b8906a); color:#f5f0eb; position:relative; overflow:hidden; }
.cta-banner::after { content:'✦ ✦ ✦'; position:absolute; bottom:12px; right:24px; opacity:0.15; font-size:1.6rem; letter-spacing:8px; }
.cta-banner h2 { color:#f5f0eb; font-size:1.8rem; margin-bottom:12px; }
.cta-banner p { opacity:0.85; margin-bottom:24px; }
.cta-banner .btn-primary { background:#f5f0eb; color:#8a6a4a; box-shadow:0 4px 16px rgba(0,0,0,0.08); }
.cta-banner .btn-primary:hover { background:#fff; }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:#2a2520; color:#d5c8b8; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color:#d5c8b8; }
.footer-brand p { opacity:0.65; font-size:0.9rem; margin-top:12px; max-width:280px; }
.footer-col h4 { color:#f5f0eb; margin-bottom:14px; font-size:0.95rem; font-weight:600; }
.footer-col a { display:block; color:#b0a090; text-decoration:none; font-size:0.85rem; padding:4px 0; transition:0.2s; }
.footer-col a:hover { color:#c7a07a; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.08); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color:#8a7a6a; }

/* 工具类 */
.text-accent { color:#c7a07a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#4a3a2a; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:rgba(245,240,235,0.98); backdrop-filter:blur(14px); padding:24px 20px; gap:16px; border-bottom:1px solid rgba(180,160,140,0.2); }
  .hero h1 { 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:1.8rem; }
  .section-title { font-size:1.6rem; }
}