*, *::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:#fcf9f2; color:#3d2b1f; }

/* 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:#f8f1e6; }

/* 导航 — 奶油纸感 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(252,249,242,0.92); backdrop-filter:blur(10px); border-bottom:2px solid #e8d5b5; }
.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:#3d2b1f; letter-spacing:1px; }
.logo-icon { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1rem; background:#f5c542; color:#3d2b1f; box-shadow:0 2px 8px rgba(245,197,66,0.3); }
.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:#6b4f3a; transition:0.2s; padding:4px 0; border-bottom:2px solid transparent; }
.main-nav a:hover { border-bottom-color:#f5c542; color:#3d2b1f; }
.nav-cta { padding:8px 20px; border-radius:30px; color:#3d2b1f!important; font-weight:600; background:#f5c542; border-bottom:none!important; box-shadow:0 2px 10px rgba(245,197,66,0.3); }
.menu-toggle { display:none; }

/* 首页Hero — 浮岛构图 */
.hero { min-height:70vh; display:flex; align-items:center; background:linear-gradient(135deg, #fcf9f2 0%, #f8f1e6 50%, #f0e3d2 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-20%; right:-10%; width:500px; height:500px; background:radial-gradient(circle, rgba(245,197,66,0.15) 0%, transparent 70%); border-radius:50%; }
.hero::after { content:''; position:absolute; bottom:-30%; left:-5%; width:400px; height:400px; background:radial-gradient(circle, rgba(200,160,120,0.1) 0%, transparent 70%); border-radius:50%; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.85rem; font-weight:600; padding:4px 14px; border-radius:20px; margin-bottom:16px; background:#f5c542; color:#3d2b1f; letter-spacing:1px; }
.hero h1 { font-size:2.8rem; line-height:1.2; margin-bottom:20px; color:#3d2b1f; font-weight:800; letter-spacing:-0.5px; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; color:#6b4f3a; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 40px rgba(61,43,31,0.1); }
.hero-image img { width:100%; height:auto; }

/* 按钮 — 圆润可爱 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:12px 28px; border-radius:30px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.2s; font-size:0.95rem; }
.btn-primary { color:#3d2b1f; background:#f5c542; box-shadow:0 4px 14px rgba(245,197,66,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(245,197,66,0.4); }
.btn-outline { background:transparent; border:1.5px solid #d4b896; color:#6b4f3a; }
.btn-outline:hover { background:#f5c542; border-color:#f5c542; color:#3d2b1f; }

/* 标签/标题 — 手写感 */
.section-label { display:inline-block; font-size:0.8rem; font-weight:600; letter-spacing:2px; margin-bottom:12px; color:#b8956e; text-transform:uppercase; }
.section-title { font-size:2rem; margin-bottom:14px; color:#3d2b1f; font-weight:700; letter-spacing:-0.3px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#6b4f3a; line-height:1.6; }

/* 卡片网格 — 奶油卡片层叠 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { border-radius:16px; padding:28px; background:#fff; border:1px solid #e8d5b5; transition:0.2s; box-shadow:0 4px 12px rgba(61,43,31,0.04); }
.category-card:hover { transform:translateY(-4px) scale(1.01); box-shadow:0 8px 24px rgba(61,43,31,0.08); border-color:#f5c542; }
.card-icon { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.3rem; background:#f8f1e6; color:#b8956e; }
.category-card h3 { font-size:1.1rem; margin-bottom:8px; color:#3d2b1f; }
.category-card p { font-size:0.85rem; color:#6b4f3a; opacity:0.7; margin-bottom:12px; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#f5c542; display:inline-flex; align-items:center; gap:4px; }
.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 — 错落布局 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { border-radius:20px; overflow:hidden; box-shadow:0 12px 28px rgba(61,43,31,0.06); }
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:6px 0; display:flex; align-items:center; gap:8px; color:#6b4f3a; }
.feature-list li::before { content:'✓'; font-weight:700; color:#f5c542; }

/* 数据条 — 暖色圆点 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:24px; border-radius:20px; background:#fff; border:1px solid #e8d5b5; box-shadow:0 4px 12px rgba(61,43,31,0.04); }
.stat-number { font-size:2.2rem; font-weight:800; color:#3d2b1f; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#b8956e; }

/* 内容墙 — 画廊风 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { border-radius:16px; overflow:hidden; background:#fff; border:1px solid #e8d5b5; transition:0.2s; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(61,43,31,0.08); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px; }
.content-wall-body h4 { color:#3d2b1f; margin-bottom:4px; }
.content-wall-body p { color:#6b4f3a; font-size:0.85rem; opacity:0.7; }

/* FAQ — 折叠面板 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #e8d5b5; border-radius:12px; margin-bottom:8px; overflow:hidden; cursor:pointer; background:#fff; transition:0.2s; }
.faq-item:hover { border-color:#f5c542; }
.faq-item .faq-question { padding:16px 20px; font-weight:600; display:flex; justify-content:space-between; color:#3d2b1f; }
.faq-item .faq-question::after { content:'+'; font-size:1.2rem; color:#b8956e; transition:0.2s; }
.faq-item.open .faq-question::after { content:'−'; color:#f5c542; }
.faq-item .faq-answer { padding:0 20px 16px; display:none; opacity:0.7; color:#6b4f3a; line-height:1.6; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 暖黄渐变 */
.cta-banner { padding:56px 24px; text-align:center; border-radius:20px; background:linear-gradient(135deg, #f5c542, #e8b84a); color:#3d2b1f; box-shadow:0 12px 30px rgba(245,197,66,0.2); }
.cta-banner h2 { color:#3d2b1f; font-size:1.8rem; margin-bottom:12px; }
.cta-banner p { opacity:0.8; margin-bottom:24px; }
.cta-banner .btn-primary { background:#3d2b1f; color:#fcf9f2; box-shadow:0 4px 14px rgba(61,43,31,0.2); }
.cta-banner .btn-primary:hover { background:#2a1f16; }

/* 页脚 — 大地色系 */
.site-footer { padding:56px 0 28px; background:#3d2b1f; color:#e8d5b5; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color:#fcf9f2; }
.footer-brand p { opacity:0.7; font-size:0.85rem; margin-top:8px; }
.footer-col h4 { color:#f5c542; margin-bottom:12px; font-size:0.9rem; }
.footer-col a { display:block; color:#e8d5b5; text-decoration:none; font-size:0.85rem; padding:4px 0; opacity:0.7; transition:0.2s; }
.footer-col a:hover { opacity:1; color:#f5c542; }
.footer-bottom { border-top:1px solid rgba(232,213,181,0.2); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; opacity:0.6; }

/* 工具类 */
.text-accent { color:#f5c542; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#6b4f3a; }
.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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fcf9f2; padding:20px; border-bottom:2px solid #e8d5b5; }
  .hero h1 { font-size: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:1.6rem; }
}