/* 基础重置 */
*, *::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:#FFFBF5; color:#3D2C2A; line-height:1.6; -webkit-font-smoothing:antialiased; }

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#FFF8F0; }
.section:nth-child(even)::before { content:''; position:absolute; top:0; left:50%; transform:translateX(-50%); width:60%; height:1px; background:linear-gradient(90deg,transparent,rgba(232,129,94,0.25),transparent); }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,251,245,0.92); backdrop-filter:blur(16px) saturate(180%); border-bottom:1px solid rgba(232,129,94,0.15); transition:all 0.3s ease; }
.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:800; font-size:1.25rem; text-decoration:none; color:#3D2C2A; letter-spacing:-0.3px; }
.logo-icon { width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; background:linear-gradient(135deg,#E8815E,#D4694A); color:#fff; box-shadow:0 3px 12px rgba(232,129,94,0.3); }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.9rem; font-weight:550; color:#5C4A46; transition:all 0.25s ease; position:relative; padding:4px 0; }
.main-nav a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:linear-gradient(90deg,#E8815E,#D4694A); border-radius:2px; transition:width 0.3s cubic-bezier(0.25,0.8,0.25,1.2); }
.main-nav a:hover { color:#E8815E; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:9px 22px; border-radius:24px; color:#fff!important; font-weight:650; background:linear-gradient(135deg,#E8815E,#D4694A); box-shadow:0 4px 14px rgba(232,129,94,0.35); letter-spacing:0.3px; transition:all 0.3s ease!important; }
.nav-cta::after { display:none!important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 8px 22px rgba(232,129,94,0.45); color:#fff!important; }
.menu-toggle { display:none; }

/* 首页Hero */
.hero { min-height:70vh; display:flex; align-items:center; background:linear-gradient(175deg,#FFFBF5 0%,#FFF3E8 40%,#FFF0E0 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-120px; right:-80px; width:450px; height:450px; border-radius:50%; background:radial-gradient(circle,rgba(232,129,94,0.08) 0%,transparent 70%); pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-60px; left:-100px; width:350px; height:350px; border-radius:50%; background:radial-gradient(circle,rgba(156,175,136,0.08) 0%,transparent 70%); pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:0.82rem; font-weight:700; padding:6px 16px; border-radius:20px; margin-bottom:20px; background:rgba(232,129,94,0.1); color:#C45A3A; letter-spacing:1.5px; text-transform:uppercase; border:1px solid rgba(232,129,94,0.2); }
.hero-eyebrow::before { content:''; width:6px; height:6px; border-radius:50%; background:#E8815E; animation:pulse-dot 1.8s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.5;transform:scale(1.6);} }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; font-weight:900; letter-spacing:-0.8px; color:#2B1B18; }
.hero h1 span { display:block; background:linear-gradient(135deg,#E8815E,#C45A3A); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.75; max-width:560px; margin-bottom:36px; color:#5C4A46; line-height:1.7; font-weight:450; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(60,30,20,0.12),0 4px 16px rgba(0,0,0,0.04); position:relative; z-index:2; }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:24px; font-weight:650; cursor:pointer; border:none; text-decoration:none; transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1.2); letter-spacing:0.2px; position:relative; overflow:hidden; }
.btn::before { content:''; position:absolute; top:50%; left:50%; width:0; height:0; border-radius:50%; transform:translate(-50%,-50%); transition:width 0.5s,height 0.5s; z-index:0; }
.btn:hover::before { width:300px; height:300px; }
.btn span { position:relative; z-index:1; }
.btn-primary { color:#fff; background:linear-gradient(135deg,#E8815E,#D4694A); box-shadow:0 4px 16px rgba(232,129,94,0.35); }
.btn-primary::before { background:rgba(255,255,255,0.15); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(232,129,94,0.5); }
.btn-outline { background:transparent; border:2px solid #E8815E; color:#E8815E; }
.btn-outline::before { background:rgba(232,129,94,0.08); }
.btn-outline:hover { background:rgba(232,129,94,0.06); transform:translateY(-3px); border-color:#D4694A; color:#D4694A; }

/* 标签/标题 */
.section-label { display:inline-flex; align-items:center; gap:10px; font-size:0.78rem; font-weight:700; letter-spacing:2.5px; margin-bottom:14px; text-transform:uppercase; color:#9CAF88; }
.section-label::after { content:''; width:28px; height:2px; background:#9CAF88; border-radius:1px; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:850; letter-spacing:-0.5px; color:#2B1B18; line-height:1.25; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; color:#5C4A46; font-size:1.05rem; line-height:1.7; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:28px; }
.category-card { border-radius:16px; padding:32px 28px; border:1.5px solid rgba(156,175,136,0.2); transition:all 0.35s cubic-bezier(0.25,0.8,0.25,1.2); background:#fff; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,#E8815E,#9CAF88); transform:scaleX(0); transform-origin:left; transition:transform 0.4s ease; }
.category-card:hover::before { transform:scaleX(1); }
.category-card:hover { transform:translateY(-6px); box-shadow:0 16px 40px rgba(60,30,20,0.1),0 4px 12px rgba(0,0,0,0.04); border-color:transparent; }
.card-icon { width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:linear-gradient(135deg,rgba(232,129,94,0.12),rgba(232,129,94,0.04)); color:#E8815E; }
.card-link { font-weight:650; font-size:0.88rem; text-decoration:none; color:#E8815E; display:inline-flex; align-items:center; gap:6px; transition:gap 0.3s ease; }
.card-link:hover { gap:10px; }
.category-card h3 { font-size:1.15rem; margin-bottom:8px; font-weight:700; color:#2B1B18; }
.category-card p { font-size:0.9rem; color:#5C4A46; opacity:0.7; margin-bottom:16px; line-height:1.6; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:18px; overflow:hidden; box-shadow:0 20px 50px rgba(60,30,20,0.1); position:relative; }
.feature-image::after { content:''; position:absolute; inset:0; border-radius:18px; border:2px solid rgba(232,129,94,0.15); pointer-events:none; }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-text .section-title { font-size:1.8rem; }
.feature-list { list-style:none; margin-top:20px; }
.feature-list li { padding:8px 0; display:flex; align-items:flex-start; gap:10px; font-size:0.95rem; color:#5C4A46; }
.feature-list li::before { content:'✓'; font-weight:800; color:#9CAF88; font-size:1.1rem; flex-shrink:0; margin-top:1px; }

/* 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:18px; border:1.5px solid rgba(156,175,136,0.2); background:#fff; transition:all 0.3s ease; position:relative; overflow:hidden; }
.stat-item:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(60,30,20,0.08); border-color:#9CAF88; }
.stat-item::after { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:40px; height:3px; background:linear-gradient(90deg,#E8815E,#9CAF88); border-radius:3px; opacity:0; transition:opacity 0.3s; }
.stat-item:hover::after { opacity:1; }
.stat-number { font-size:2.6rem; font-weight:900; letter-spacing:-1px; background:linear-gradient(135deg,#E8815E,#C45A3A); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-label { font-size:0.9rem; opacity:0.65; margin-top:8px; color:#5C4A46; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:28px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1.5px solid rgba(156,175,136,0.18); transition:all 0.35s cubic-bezier(0.25,0.8,0.25,1.2); background:#fff; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(60,30,20,0.1); border-color:transparent; }
.content-wall-item img { width:100%; height:210px; object-fit:cover; }
.content-wall-body { padding:22px 20px; }
.content-wall-body h3 { font-size:1.05rem; font-weight:700; color:#2B1B18; margin-bottom:6px; }
.content-wall-body p { font-size:0.88rem; color:#5C4A46; opacity:0.65; line-height:1.5; }
.content-wall-body .card-link { margin-top:8px; }

/* FAQ */
.faq-list { max-width:820px; margin:0 auto; }
.faq-item { border:1.5px solid rgba(156,175,136,0.2); border-radius:14px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:all 0.3s ease; }
.faq-item:hover { border-color:rgba(232,129,94,0.3); }
.faq-item .faq-question { padding:18px 22px; font-weight:650; display:flex; justify-content:space-between; align-items:center; color:#2B1B18; font-size:1rem; gap:12px; }
.faq-item .faq-question::after { content:'+'; font-size:1.4rem; font-weight:300; color:#E8815E; transition:transform 0.3s ease; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#5C4A46; font-size:0.93rem; line-height:1.7; }
.faq-item.open .faq-answer { display:block; animation:fadeIn 0.35s ease; }
.faq-item.open { border-color:rgba(232,129,94,0.4); box-shadow:0 4px 16px rgba(232,129,94,0.08); }
@keyframes fadeIn { from{opacity:0;transform:translateY(-8px);} to{opacity:1;transform:translateY(0);} }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg,#E8815E 0%,#D4694A 30%,#C45A3A 70%,#9CAF88 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; inset:0; 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='%23ffffff' fill-opacity='0.05'%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"); opacity:0.5; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:850; position:relative; z-index:1; letter-spacing:-0.5px; }
.cta-banner p { position:relative; z-index:1; opacity:0.9; margin:12px 0 24px; }
.cta-banner .btn-primary { background:#fff; color:#E8815E; box-shadow:0 6px 20px rgba(0,0,0,0.15); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#FFFBF5; box-shadow:0 8px 28px rgba(0,0,0,0.2); }

/* 页脚 */
.site-footer { padding:60px 0 24px; background:#2B1B18; color:#E8D5CC; position:relative; }
.site-footer::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,transparent,#E8815E,#9CAF88,transparent); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px; }
.footer-brand { }
.footer-brand .logo { color:#FFFBF5; margin-bottom:12px; }
.footer-brand p { opacity:0.6; font-size:0.9rem; line-height:1.7; }
.footer-col h4 { color:#FFFBF5; font-weight:700; margin-bottom:14px; font-size:0.95rem; letter-spacing:0.5px; }
.footer-col a { display:block; color:#E8D5CC; opacity:0.6; text-decoration:none; font-size:0.88rem; padding:5px 0; transition:all 0.25s; }
.footer-col a:hover { opacity:1; color:#E8815E; padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,251,245,0.08); margin-top:44px; padding-top:22px; text-align:center; font-size:0.85rem; opacity:0.5; color:#E8D5CC; }

/* 工具类 */
.text-accent { color:#E8815E; }
.text-center { text-align:center; }
.seo-description { max-width:620px; margin:0 auto 52px; opacity:0.7; color:#5C4A46; font-size:0.95rem; text-align:center; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:20px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:10px; border:1.5px solid rgba(232,129,94,0.3); background:transparent; cursor:pointer; flex-direction:column; gap:5px; padding:8px; }
  .menu-toggle span { display:block; width:20px; height:2px; background:#E8815E; border-radius:2px; transition:all 0.3s; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#FFFBF5; padding:24px; border-bottom:2px solid rgba(232,129,94,0.2); box-shadow:0 16px 32px rgba(0,0,0,0.06); gap:16px; }
  .hero h1 { font-size:2.2rem; }
  .section-title { font-size:1.7rem; }
  .hero { min-height:55vh; }
}
@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .hero-buttons { flex-direction:column; align-items:flex-start; }
  .hero h1 { font-size:1.8rem; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:2rem; }
  .cta-banner h2 { font-size:1.5rem; }
}