*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; overflow-x:hidden; background:#fefcf5; color:#2c2416; }

/* 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, #f8f4ec 0%, #fefcf5 100%); }

/* 导航 — 暖白玻璃态+柔光边框 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(254,252,245,0.88); backdrop-filter:blur(16px) saturate(1.2); border-bottom:1px solid rgba(210,180,140,0.3); }
.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:700; font-size:1.25rem; text-decoration:none; color:#3d2b1f; letter-spacing:1px; }
.logo-icon { width:40px; height:40px; border-radius:50%; background:linear-gradient(145deg, #d4a373, #b5835a); display:flex; align-items:center; justify-content:center; font-size:1.1rem; color:#fefcf5; box-shadow:0 4px 12px rgba(181,131,90,0.3); }
.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:#5c4a3a; transition:0.3s; position:relative; padding:4px 0; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:#d4a373; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#3d2b1f; }
.nav-cta { padding:8px 22px; border-radius:30px; background:linear-gradient(145deg, #d4a373, #b5835a); color:#fefcf5!important; font-weight:600; box-shadow:0 4px 14px rgba(181,131,90,0.25); border:1px solid rgba(255,255,255,0.15); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; font-size:1.6rem; cursor:pointer; color:#3d2b1f; }

/* 首页Hero — 柔和光影层叠 */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; background:linear-gradient(160deg, #fefcf5 0%, #f5ede4 100%); overflow:hidden; }
.hero::before { content:''; position:absolute; top:-30%; right:-20%; width:500px; height:500px; background:radial-gradient(circle, rgba(212,163,115,0.15) 0%, transparent 70%); border-radius:50%; pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-20%; left:-10%; width:400px; height:400px; background:radial-gradient(circle, rgba(181,131,90,0.1) 0%, 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:0.8rem; font-weight:600; padding:4px 16px; border-radius:30px; background:rgba(212,163,115,0.2); color:#8b6f4a; margin-bottom:18px; letter-spacing:2px; text-transform:uppercase; border:1px solid rgba(212,163,115,0.3); }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; color:#2c2416; font-weight:800; letter-spacing:-0.5px; }
.hero h1 span { color:#b5835a; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:34px; color:#5c4a3a; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(181,131,90,0.15); position:relative; }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 暖沙色系 */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:30px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; letter-spacing:0.3px; }
.btn-primary { background:linear-gradient(145deg, #d4a373, #b5835a); color:#fefcf5; box-shadow:0 6px 20px rgba(181,131,90,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 30px rgba(181,131,90,0.4); }
.btn-outline { background:transparent; border:1.5px solid #d4a373; color:#8b6f4a; }
.btn-outline:hover { background:rgba(212,163,115,0.08); border-color:#b5835a; }

/* 标签/标题 — 优雅衬线感 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:600; letter-spacing:4px; margin-bottom:14px; color:#b5835a; text-transform:uppercase; position:relative; padding-left:36px; }
.section-label::before { content:''; position:absolute; left:0; top:50%; width:24px; height:1.5px; background:#d4a373; }
.section-title { font-size:2.2rem; margin-bottom:16px; color:#2c2416; font-weight:700; letter-spacing:-0.3px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; color:#5c4a3a; line-height:1.7; }

/* 卡片网格 — 暖白卡片+阴影漂浮 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:28px; }
.category-card { border-radius:20px; padding:32px 28px; background:#fefcf5; border:1px solid rgba(210,180,140,0.25); transition:0.4s; box-shadow:0 4px 20px rgba(181,131,90,0.06); }
.category-card:hover { transform:translateY(-6px); box-shadow:0 12px 40px rgba(181,131,90,0.12); border-color:rgba(212,163,115,0.4); }
.card-icon { width:52px; height:52px; border-radius:16px; background:linear-gradient(145deg, #f5ede4, #ece0d4); display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:1.4rem; color:#8b6f4a; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#b5835a; 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 — 左右错落 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; box-shadow:0 16px 48px rgba(181,131,90,0.12); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { padding:20px 0; }
.feature-list { list-style:none; margin-top:20px; }
.feature-list li { padding:10px 0; display:flex; align-items:center; gap:12px; font-size:0.95rem; color:#5c4a3a; }
.feature-list li::before { content:'✦'; font-weight:700; color:#d4a373; font-size:1.1rem; }

/* 数据条 — 柔和色块 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:32px 16px; border-radius:20px; background:#fefcf5; border:1px solid rgba(210,180,140,0.2); box-shadow:0 4px 16px rgba(181,131,90,0.05); }
.stat-number { font-size:2.6rem; font-weight:800; color:#2c2416; line-height:1; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#5c4a3a; }

/* 内容墙 — 画廊感 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:28px; }
.content-wall-item { border-radius:20px; overflow:hidden; background:#fefcf5; border:1px solid rgba(210,180,140,0.2); transition:0.4s; box-shadow:0 4px 16px rgba(181,131,90,0.05); }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 12px 40px rgba(181,131,90,0.12); }
.content-wall-item img { width:100%; height:210px; object-fit:cover; }
.content-wall-body { padding:22px 24px; }
.content-wall-body h4 { font-size:1.1rem; margin-bottom:8px; color:#2c2416; }
.content-wall-body p { font-size:0.9rem; opacity:0.6; color:#5c4a3a; }

/* FAQ — 圆润折叠 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(210,180,140,0.25); border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fefcf5; transition:0.3s; }
.faq-item:hover { border-color:rgba(212,163,115,0.4); }
.faq-item .faq-question { padding:18px 24px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#3d2b1f; font-size:1rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.4rem; color:#d4a373; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.7; color:#5c4a3a; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 暖沙渐变 */
.cta-banner { padding:64px 32px; text-align:center; border-radius:24px; background:linear-gradient(145deg, #d4a373, #b5835a); color:#fefcf5; position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-30%; left:-20%; width:400px; height:400px; background:radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%); border-radius:50%; }
.cta-banner h2 { color:#fefcf5; font-size:2rem; margin-bottom:12px; }
.cta-banner p { opacity:0.85; margin-bottom:24px; }
.cta-banner .btn-primary { background:#fefcf5; color:#8b6f4a; box-shadow:0 6px 24px rgba(255,255,255,0.2); }

/* 页脚 — 暖色深底 */
.site-footer { padding:60px 0 32px; background:#2c2416; color:#e8ddd0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand p { opacity:0.7; line-height:1.7; margin-top:16px; font-size:0.9rem; }
.footer-col h5 { color:#d4a373; font-size:0.9rem; font-weight:600; margin-bottom:16px; letter-spacing:1px; }
.footer-col a { display:block; color:#c4b5a0; text-decoration:none; padding:4px 0; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#fefcf5; }
.footer-bottom { border-top:1px solid rgba(212,163,115,0.2); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; color:#a89880; }

/* 工具类 */
.text-accent { color:#b5835a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5c4a3a; 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; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; width:44px; height:44px; border-radius:12px; background:rgba(212,163,115,0.1); }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:#fefcf5; padding:24px 28px; gap:18px; border-bottom:1px solid rgba(210,180,140,0.3); box-shadow:0 20px 40px rgba(0,0,0,0.05); }
  .main-nav.open a { font-size:1rem; }
  .hero { min-height:60vh; }
}
@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; gap:12px; }
  .hero h1 { font-size:1.8rem; }
  .section-title { font-size:1.6rem; }
  .cta-banner { padding:40px 20px; }
}