*, *::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:#fefcf5; color:#2d2a1e; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f7f3e9; }

/* 导航 — 奶油白+陶土橙 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(254,252,245,0.92); backdrop-filter:blur(12px); border-bottom:1px solid #e8dcc8; }
.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:10px; font-weight:700; font-size:1.25rem; text-decoration:none; color:#2d2a1e; letter-spacing:-0.02em; }
.logo-icon { width:40px; height:40px; border-radius:50%; background:linear-gradient(135deg,#d97a5a,#c25a3a); display:flex; align-items:center; justify-content:center; font-size:1.2rem; color:#fff; box-shadow:0 4px 12px rgba(217,122,90,0.3); }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:500; color:#5a4f3e; transition:0.2s; letter-spacing:0.02em; position:relative; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#d97a5a; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#c25a3a; }
.nav-cta { padding:10px 24px; border-radius:50px; background:linear-gradient(135deg,#d97a5a,#c25a3a); color:#fff!important; font-weight:600; box-shadow:0 4px 14px rgba(217,122,90,0.25); transition:0.3s; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(217,122,90,0.35); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; font-size:1.5rem; color:#2d2a1e; cursor:pointer; }

/* 首页Hero — 蘑菇森林氛围 */
.hero { min-height:80vh; display:flex; align-items:center; position:relative; background:linear-gradient(160deg,#fefcf5 0%,#f0e8d8 100%); overflow:hidden; }
.hero::before { content:''; position:absolute; top:-30%; right:-10%; width:500px; height:500px; background:radial-gradient(circle,rgba(217,122,90,0.12),transparent 70%); border-radius:50%; pointer-events:none; }
.hero::after { content:'🍄'; position:absolute; bottom:5%; left:5%; font-size:8rem; opacity:0.06; transform:rotate(-15deg); pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:6px 18px; border-radius:50px; background:rgba(217,122,90,0.12); color:#c25a3a; margin-bottom:18px; letter-spacing:0.08em; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; color:#2d2a1e; font-weight:800; letter-spacing:-0.03em; }
.hero h1 span { background:linear-gradient(135deg,#d97a5a,#c25a3a); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.15rem; opacity:0.65; max-width:560px; margin-bottom:36px; color:#5a4f3e; line-height:1.7; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(45,42,30,0.08); border:1px solid rgba(232,220,200,0.5); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 陶土风格 */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:50px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.3s; font-size:0.95rem; letter-spacing:0.02em; }
.btn-primary { background:linear-gradient(135deg,#d97a5a,#c25a3a); color:#fff; box-shadow:0 4px 16px rgba(217,122,90,0.25); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(217,122,90,0.35); }
.btn-outline { background:transparent; border:1.5px solid #d97a5a; color:#c25a3a; }
.btn-outline:hover { background:rgba(217,122,90,0.08); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:600; letter-spacing:3px; text-transform:uppercase; margin-bottom:14px; color:#c25a3a; background:rgba(217,122,90,0.08); padding:4px 16px; border-radius:50px; }
.section-title { font-size:2.2rem; margin-bottom:16px; color:#2d2a1e; font-weight:800; letter-spacing:-0.02em; }
.section-desc { max-width:600px; opacity:0.6; margin-bottom:44px; color:#5a4f3e; line-height:1.7; }

/* 卡片网格 — 蘑菇卡片层叠 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.category-card { border-radius:20px; padding:32px; background:#fff; border:1px solid #e8dcc8; transition:0.4s; position:relative; overflow:hidden; }
.category-card::before { content:'🍄'; position:absolute; top:-10px; right:-10px; font-size:4rem; opacity:0.04; transform:rotate(20deg); }
.category-card:hover { transform:translateY(-6px); box-shadow:0 16px 48px rgba(45,42,30,0.06); border-color:#d97a5a; }
.card-icon { width:52px; height:52px; border-radius:16px; background:linear-gradient(135deg,#f0e8d8,#e8dcc8); display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:1.5rem; color:#c25a3a; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#d97a5a; display:inline-flex; align-items:center; gap:6px; transition:0.2s; }
.card-link:hover { gap:12px; }

/* 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 12px 40px rgba(45,42,30,0.06); border:1px solid #e8dcc8; }
.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:12px; font-size:1.05rem; color:#5a4f3e; }
.feature-list li::before { content:'🍄'; font-weight:700; color:#c25a3a; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
.stat-item { padding:32px 20px; border-radius:20px; background:#fff; border:1px solid #e8dcc8; transition:0.3s; }
.stat-item:hover { border-color:#d97a5a; box-shadow:0 8px 24px rgba(217,122,90,0.08); }
.stat-number { font-size:2.6rem; font-weight:800; color:#2d2a1e; letter-spacing:-0.03em; }
.stat-number::after { content:'+'; color:#c25a3a; }
.stat-label { font-size:0.9rem; opacity:0.55; margin-top:8px; color:#5a4f3e; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:28px; }
.content-wall-item { border-radius:20px; overflow:hidden; background:#fff; border:1px solid #e8dcc8; transition:0.4s; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 16px 48px rgba(45,42,30,0.06); border-color:#d97a5a; }
.content-wall-item img { width:100%; height:220px; object-fit:cover; display:block; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.15rem; margin-bottom:8px; color:#2d2a1e; }
.content-wall-body p { opacity:0.6; font-size:0.9rem; color:#5a4f3e; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #e8dcc8; border-radius:16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.3s; }
.faq-item:hover { border-color:#d97a5a; }
.faq-item .faq-question { padding:20px 24px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#2d2a1e; font-size:1.05rem; }
.faq-item .faq-question::after { content:'↓'; font-size:1.2rem; color:#c25a3a; transition:0.3s; }
.faq-item.open .faq-question::after { transform:rotate(180deg); }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.65; color:#5a4f3e; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 陶土渐变 */
.cta-banner { padding:64px 32px; text-align:center; border-radius:24px; background:linear-gradient(135deg,#d97a5a,#c25a3a); color:#fff; position:relative; overflow:hidden; }
.cta-banner::before { content:'🍄'; position:absolute; top:-20px; right:5%; font-size:10rem; opacity:0.06; transform:rotate(20deg); }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:14px; letter-spacing:-0.02em; }
.cta-banner p { opacity:0.85; margin-bottom:28px; font-size:1.05rem; }
.cta-banner .btn-primary { background:#fff; color:#c25a3a; box-shadow:0 4px 16px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { box-shadow:0 8px 24px rgba(0,0,0,0.15); }

/* 页脚 */
.site-footer { padding:64px 0 32px; background:#2d2a1e; color:#e8dcc8; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { color:#fefcf5; }
.footer-brand p { opacity:0.5; margin-top:16px; font-size:0.9rem; line-height:1.7; }
.footer-col h4 { color:#fefcf5; margin-bottom:18px; font-size:0.95rem; letter-spacing:0.05em; }
.footer-col a { display:block; color:#b5a88e; text-decoration:none; padding:4px 0; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#d97a5a; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.06); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; color:#b5a88e; opacity:0.6; }

/* 工具类 */
.text-accent { color:#c25a3a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; color:#5a4f3e; 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; background:none; border:none; font-size:1.5rem; color:#2d2a1e; cursor:pointer; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fefcf5; padding:24px; border-bottom:1px solid #e8dcc8; gap:16px; }
  .main-nav.open a::after { 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; }
  .section-title { font-size:1.6rem; }
}