/* 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:#fdf9f4; color:#3d2c26; 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:#f7f1e8; }

/* 导航 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(253,249,244,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid #e8ddd2; transition:0.3s; }
.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:#3d2c26; 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,#e8734a,#d6966b); color:#fff; box-shadow:0 2px 8px rgba(232,115,74,0.25); }
.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:#6b5a52; transition:0.2s; position:relative; }
.main-nav a:hover { color:#e8734a; }
.main-nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:#e8734a; border-radius:2px; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.nav-cta { padding:10px 22px; border-radius:25px; color:#fff!important; font-weight:700; background:linear-gradient(135deg,#e8734a,#d65f35); box-shadow:0 4px 14px rgba(232,115,74,0.3); transition:0.3s!important; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(232,115,74,0.4); }
.nav-cta::after { display:none; }
.menu-toggle { display:none; background:none; border:none; cursor:pointer; width:40px; height:40px; flex-direction:column; align-items:center; justify-content:center; gap:5px; padding:8px; border-radius:8px; }
.menu-toggle span { display:block; width:22px; height:2.5px; background:#3d2c26; border-radius:2px; transition:0.3s; }

/* 首页Hero */
.hero { min-height:70vh; display:flex; align-items:center; padding:100px 0 60px; }
.hero .container { display:flex; align-items:center; gap:56px; }
.hero-content { max-width:720px; flex:1; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:0.85rem; font-weight:700; padding:6px 16px; border-radius:25px; margin-bottom:18px; background:#e8f0e5; color:#5c7a56; letter-spacing:0.5px; }
.hero-eyebrow::before { content:'✦'; font-size:0.7rem; }
.hero h1 { font-size:3rem; line-height:1.15; margin-bottom:20px; font-weight:900; color:#3d2c26; letter-spacing:-0.5px; }
.hero h1 span { color:#e8734a; }
.hero p { font-size:1.1rem; color:#9c8b82; max-width:560px; margin-bottom:34px; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:16px; overflow:hidden; flex:1; max-width:480px; position:relative; }
.hero-image::before { content:''; position:absolute; inset:-6px; border-radius:22px; border:2px dashed #e8ddd2; z-index:-1; animation:rotateDash 20s linear infinite; }
@keyframes rotateDash { 0%{transform:rotate(0deg);} 100%{transform:rotate(360deg);} }
.hero-image img { width:100%; height:auto; display:block; border-radius:16px; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:13px 30px; border-radius:25px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.95rem; letter-spacing:0.2px; }
.btn-primary { color:#fff; background:linear-gradient(135deg,#e8734a,#d65f35); box-shadow:0 4px 16px rgba(232,115,74,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(232,115,74,0.4); }
.btn-outline { background:transparent; border:2px solid #e8734a; color:#e8734a; }
.btn-outline:hover { background:#e8734a; color:#fff; transform:translateY(-2px); }

/* 标签/标题 */
.section-label { display:inline-flex; align-items:center; gap:8px; font-size:0.82rem; font-weight:700; letter-spacing:2.5px; margin-bottom:14px; color:#7d9b76; text-transform:uppercase; }
.section-label::after { content:''; width:28px; height:2px; background:#c4d6bf; border-radius:2px; }
.section-title { font-size:2.2rem; margin-bottom:14px; font-weight:900; color:#3d2c26; letter-spacing:-0.3px; }
.section-desc { max-width:600px; color:#9c8b82; margin-bottom:44px; 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:24px; }
.category-card { border-radius:14px; padding:30px 26px; border:1.5px solid #e8ddd2; transition:0.3s; background:#fff; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:-30px; right:-30px; width:80px; height:80px; border-radius:50%; background:#fdf3ed; transition:0.4s; }
.category-card:hover::before { transform:scale(3); }
.category-card:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(180,150,130,0.15); border-color:#e8734a; }
.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:#fdf3ed; color:#e8734a; position:relative; z-index:1; }
.category-card:nth-child(2) .card-icon { background:#e8f0e5; color:#7d9b76; }
.category-card:nth-child(3) .card-icon { background:#fef7ed; color:#d6966b; }
.category-card:nth-child(4) .card-icon { background:#f5edf8; color:#9b7da8; }
.category-card:nth-child(5) .card-icon { background:#eaf4f7; color:#6b9db5; }
.category-card:nth-child(6) .card-icon { background:#fdf0e8; color:#c47e5a; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#e8734a; display:inline-flex; align-items:center; gap:6px; position:relative; z-index:1; transition:0.2s; }
.card-link:hover { gap:10px; color:#d65f35; }
.card-link::after { content:'→'; transition:0.2s; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:16px; overflow:hidden; position:relative; }
.feature-image::after { content:''; position:absolute; bottom:-10px; left:-10px; width:100%; height:100%; border-radius:16px; background:#e8ddd2; z-index:-1; }
.feature-image img { width:100%; height:auto; display:block; border-radius:16px; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; color:#6b5a52; font-size:0.95rem; }
.feature-list li::before { content:'✓'; font-weight:700; color:#7d9b76; width:22px; height:22px; display:flex; align-items:center; justify-content:center; background:#e8f0e5; border-radius:50%; font-size:0.75rem; flex-shrink:0; }

/* 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:14px; border:1.5px solid #e8ddd2; background:#fff; transition:0.3s; }
.stat-item:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(180,150,130,0.12); border-color:#e8734a; }
.stat-number { font-size:2.4rem; font-weight:900; color:#e8734a; letter-spacing:-1px; }
.stat-item:nth-child(2) .stat-number { color:#7d9b76; }
.stat-item:nth-child(3) .stat-number { color:#d6966b; }
.stat-item:nth-child(4) .stat-number { color:#9b7da8; }
.stat-label { font-size:0.9rem; color:#9c8b82; margin-top:8px; 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:14px; overflow:hidden; border:1.5px solid #e8ddd2; transition:0.3s; background:#fff; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 12px 32px rgba(180,150,130,0.15); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:20px 22px; }
.content-wall-body h3 { font-weight:700; color:#3d2c26; margin-bottom:6px; font-size:1.05rem; }
.content-wall-body p { color:#9c8b82; font-size:0.9rem; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1.5px solid #e8ddd2; border-radius:12px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.3s; }
.faq-item:hover { border-color:#e8734a; }
.faq-item .faq-question { padding:18px 22px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#3d2c26; }
.faq-item .faq-question::after { content:'+'; font-size:1.3rem; color:#e8734a; transition:0.3s; font-weight:400; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; color:#9c8b82; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:#e8734a; box-shadow:0 4px 16px rgba(232,115,74,0.1); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:16px; color:#fff; background:linear-gradient(135deg,#e8734a,#c47e5a); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-60px; right:-60px; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.08); }
.cta-banner::after { content:''; position:absolute; bottom:-40px; left:-40px; width:140px; height:140px; border-radius:50%; background:rgba(255,255,255,0.06); }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:900; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.85); margin:12px 0 28px; position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:#e8734a; box-shadow:0 4px 16px rgba(0,0,0,0.1); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#fdf9f4; transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.15); }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:#f5ede4; border-top:1px solid #e8ddd2; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px; }
.footer-brand { }
.footer-brand p { color:#9c8b82; margin-top:12px; font-size:0.9rem; line-height:1.7; }
.footer-col { }
.footer-col h4 { font-weight:700; color:#3d2c26; margin-bottom:16px; font-size:0.95rem; }
.footer-col a { display:block; color:#9c8b82; text-decoration:none; font-size:0.9rem; padding:4px 0; transition:0.2s; }
.footer-col a:hover { color:#e8734a; }
.footer-bottom { border-top:1px solid #e8ddd2; margin-top:44px; padding-top:22px; text-align:center; font-size:0.85rem; color:#9c8b82; }

/* 工具类 */
.text-accent { color:#e8734a; }
.text-accent-green { color:#7d9b76; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; color:#9c8b82; font-size:0.95rem; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero .container { flex-direction:column; gap:40px; }
  .hero-image { max-width:100%; }
  .hero h1 { font-size:2.4rem; }
  .hero-content { max-width:100%; }
}
@media (max-width: 768px) {
  .section { padding:56px 0; }
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .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; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#fdf9f4; padding:24px; gap:16px; border-bottom:1px solid #e8ddd2; box-shadow:0 8px 24px rgba(0,0,0,0.06); z-index:999; }
  .main-nav.open a { font-size:1rem; padding:8px 0; }
  .hero { min-height:50vh; padding:90px 0 40px; }
  .hero h1 { font-size:2rem; }
  .section-title { font-size:1.7rem; }
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
  .feature-image::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:1.7rem; }
  .hero p { font-size:0.95rem; }
  .section-title { font-size:1.4rem; }
  .btn { width:100%; justify-content:center; }
  .stats-bar { gap:12px; }
  .stat-item { padding:20px 16px; }
  .stat-number { font-size:1.8rem; }
}