/* 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:#faf7f2; color:#3d3530; line-height:1.6; -webkit-font-smoothing:antialiased; }

/* 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:#f5f0e9; position:relative; }
.section:nth-child(even)::before { content:''; position:absolute; top:0; left:0; width:100%; height:100%; background: radial-gradient(ellipse at 30% 50%, rgba(232,129,91,0.04) 0%, transparent 60%), radial-gradient(ellipse at 70% 30%, rgba(155,142,196,0.04) 0%, transparent 60%); pointer-events:none; }

/* 导航 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(250,247,242,0.88); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid #e8e0d8; transition:box-shadow 0.3s; }
.site-header.scrolled { box-shadow:0 2px 24px rgba(61,53,48,0.06); }
.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:1.15rem; text-decoration:none; color:#3d3530; letter-spacing:-0.01em; }
.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, #e8815b, #f0a855); color:#fff; box-shadow:0 3px 12px rgba(232,129,91,0.25); }
.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:#5c514a; transition:0.2s; position:relative; }
.main-nav a:hover { color:#e8815b; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#e8815b; border-radius:2px; transition:width 0.25s ease; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:9px 22px; border-radius:24px; color:#fff!important; font-weight:600; background:linear-gradient(135deg, #e8815b, #f0a855); box-shadow:0 4px 14px rgba(232,129,91,0.3); transition:0.25s!important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(232,129,91,0.4); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; width:36px; height:36px; flex-direction:column; justify-content:center; gap:6px; padding:6px; }
.menu-toggle span { display:block; width:24px; height:2px; background:#3d3530; border-radius:2px; transition:0.3s; }

/* Hero */
.hero { min-height:70vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-120px; right:-180px; width:600px; height:600px; background:radial-gradient(circle, rgba(240,168,85,0.15) 0%, rgba(232,129,91,0.08) 30%, transparent 70%); border-radius:50%; pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-100px; left:-120px; width:400px; height:400px; background:radial-gradient(circle, rgba(155,142,196,0.12) 0%, rgba(126,203,161,0.06) 40%, transparent 70%); border-radius:50%; pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:700; letter-spacing:0.08em; padding:6px 16px; border-radius:20px; margin-bottom:18px; background:rgba(155,142,196,0.12); color:#7b6fa0; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:22px; font-weight:800; letter-spacing:-0.02em; color:#3d3530; }
.hero h1 .highlight { background:linear-gradient(135deg, #e8815b, #f0a855); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:34px; color:#5c514a; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:16px; overflow:hidden; box-shadow:0 20px 60px rgba(61,53,48,0.1); position:relative; z-index:1; }
.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:26px; font-weight:600; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.95rem; letter-spacing:0.01em; }
.btn-primary { color:#fff; background:linear-gradient(135deg, #e8815b, #f0a855); box-shadow:0 4px 16px rgba(232,129,91,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(232,129,91,0.4); }
.btn-outline { background:transparent; border:2px solid #e8815b; color:#e8815b; }
.btn-outline:hover { background:#e8815b; color:#fff; box-shadow:0 4px 16px rgba(232,129,91,0.25); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:700; letter-spacing:0.1em; margin-bottom:12px; color:#9b8ec4; text-transform:uppercase; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:700; letter-spacing:-0.015em; color:#3d3530; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#5c514a; font-size:1.05rem; line-height:1.7; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { border-radius:16px; padding:30px 26px; border:1px solid #e8e0d8; transition:0.3s; background:#fff; position:relative; overflow:hidden; cursor:pointer; }
.category-card::after { content:''; position:absolute; top:0; left:0; width:100%; height:3px; background:linear-gradient(90deg, #e8815b, #f0a855); transform:scaleX(0); transform-origin:left; transition:transform 0.35s ease; }
.category-card:hover::after { transform:scaleX(1); }
.category-card:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(61,53,48,0.1); border-color:transparent; }
.card-icon { width:50px; height:50px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:rgba(126,203,161,0.15); color:#5aad82; }
.category-card:nth-child(2n) .card-icon { background:rgba(240,168,85,0.15); color:#e0963a; }
.category-card:nth-child(3n) .card-icon { background:rgba(155,142,196,0.15); color:#8b7db5; }
.category-card h3 { font-size:1.1rem; margin-bottom:8px; font-weight:700; color:#3d3530; }
.category-card p { font-size:0.9rem; color:#6b5f58; line-height:1.6; margin-bottom:14px; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#e8815b; display:inline-flex; align-items:center; gap:6px; transition:gap 0.2s; }
.card-link:hover { gap:10px; }

/* 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 16px 48px rgba(61,53,48,0.08); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-text h3 { font-size:1.6rem; margin-bottom:14px; font-weight:700; color:#3d3530; }
.feature-text p { color:#5c514a; line-height:1.7; margin-bottom:20px; }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; font-size:0.95rem; color:#5c514a; }
.feature-list li::before { content:'✓'; font-weight:700; color:#7ecba1; font-size:1.1rem; flex-shrink:0; width:22px; height:22px; display:flex; align-items:center; justify-content:center; background:rgba(126,203,161,0.12); border-radius:50%; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:16px; border:1px solid #e8e0d8; background:#fff; transition:0.3s; position:relative; overflow:hidden; }
.stat-item::before { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:40px; height:3px; border-radius:3px; background:linear-gradient(90deg, #e8815b, #f0a855); }
.stat-item:nth-child(2)::before { background:linear-gradient(90deg, #7ecba1, #5aad82); }
.stat-item:nth-child(3)::before { background:linear-gradient(90deg, #9b8ec4, #7b6fa0); }
.stat-item:nth-child(4)::before { background:linear-gradient(90deg, #f0a855, #e8815b); }
.stat-item:hover { transform:translateY(-3px); box-shadow:0 8px 28px rgba(61,53,48,0.08); }
.stat-number { font-size:2.4rem; font-weight:800; color:#e8815b; letter-spacing:-0.02em; }
.stat-item:nth-child(2) .stat-number { color:#7ecba1; }
.stat-item:nth-child(3) .stat-number { color:#9b8ec4; }
.stat-item:nth-child(4) .stat-number { color:#f0a855; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#5c514a; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { border-radius:16px; overflow:hidden; border:1px solid #e8e0d8; transition:0.3s; background:#fff; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 12px 36px rgba(61,53,48,0.1); border-color:transparent; }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px 20px; }
.content-wall-body h4 { font-size:1.05rem; font-weight:700; color:#3d3530; margin-bottom:6px; }
.content-wall-body p { font-size:0.9rem; color:#6b5f58; line-height:1.5; }
.content-wall-body .meta { font-size:0.8rem; color:#9b8ec4; margin-top:8px; font-weight:600; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid #e8e0d8; border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; transition:0.25s; background:#fff; }
.faq-item:hover { border-color:#d5ccc3; }
.faq-item .faq-question { padding:18px 22px; font-weight:600; display:flex; justify-content:space-between; align-items:center; color:#3d3530; font-size:0.98rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; font-weight:400; color:#e8815b; transition:transform 0.3s; flex-shrink:0; margin-left:12px; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#5c514a; line-height:1.7; font-size:0.93rem; }
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:#e8815b; box-shadow:0 4px 16px rgba(232,129,91,0.08); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:20px; color:#fff; background:linear-gradient(135deg, #e8815b 0%, #f0a855 40%, #e8815b 100%); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-60px; right:-60px; width:200px; height:200px; background:rgba(255,255,255,0.08); border-radius:50%; pointer-events:none; }
.cta-banner::after { content:''; position:absolute; bottom:-40px; left:-40px; width:140px; height:140px; background:rgba(255,255,255,0.06); border-radius:50%; pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; font-weight:700; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.9); margin-bottom:24px; position:relative; z-index:1; font-size:1.05rem; }
.cta-banner .btn-primary { background:#fff; color:#e8815b; box-shadow:0 4px 20px rgba(0,0,0,0.12); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#fff; color:#d06945; box-shadow:0 6px 28px rgba(0,0,0,0.18); transform:translateY(-2px); }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#f3efe8; color:#5c514a; position:relative; }
.site-footer::before { content:''; position:absolute; top:0; left:0; width:100%; height:1px; background:linear-gradient(90deg, transparent, #e8e0d8, transparent); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { opacity:0.7; line-height:1.7; font-size:0.9rem; }
.footer-col h4 { font-weight:700; margin-bottom:14px; color:#3d3530; font-size:0.95rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { text-decoration:none; color:#6b5f58; font-size:0.9rem; transition:0.2s; }
.footer-col ul li a:hover { color:#e8815b; }
.footer-bottom { border-top:1px solid #e8e0d8; margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color:#8b7f76; }

/* 工具类 */
.text-accent { color:#9b8ec4; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5c514a; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 装饰性分隔 */
.section-divider { height:1px; background:linear-gradient(90deg, transparent, #e8e0d8, transparent); margin:0 auto; max-width:200px; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .feature-image { order:-1; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .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:rgba(250,247,242,0.98); padding:24px; border-bottom:1px solid #e8e0d8; box-shadow:0 8px 24px rgba(61,53,48,0.06); gap:16px; align-items:flex-start; }
  .main-nav.open a { font-size:1rem; }
  .hero { min-height:auto; padding:100px 0 60px; }
  .hero h1 { font-size:2.2rem; }
  .hero p { font-size:1rem; }
  .section { padding:56px 0; }
  .section-title { font-size:1.7rem; }
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
  .hero-image { margin-top:28px; }
}

@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; }
  .btn { width:100%; justify-content:center; }
  .hero-image { border-radius:12px; }
  .stat-item { padding:22px 16px; }
  .stat-number { font-size:1.8rem; }
}

/* 滚动条美化 */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#faf7f2; }
::-webkit-scrollbar-thumb { background:#d5ccc3; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#c4b8ad; }

/* 选中文字 */
::selection { background:rgba(232,129,91,0.2); color:#3d3530; }