*, *::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:#fdf6f0; color:#2c3e4e; line-height:1.6; }

/* 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:#faf2e8; background-image:radial-gradient(circle at 85% 15%, rgba(210,130,100,0.06) 0%, transparent 50%); }
.section:nth-child(odd) { background:#fdf6f0; }

/* 导航 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(253,246,240,0.92); backdrop-filter:blur(16px); border-bottom:1px solid rgba(210,130,100,0.15); 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:#2c3e4e; letter-spacing:-0.5px; }
.logo-icon { width:38px; height:38px; border-radius:10px 4px 10px 4px; display:flex; align-items:center; justify-content:center; font-size:1.1rem; background:linear-gradient(135deg,#d28264,#c0603a); color:#fff; font-weight:700; transform:rotate(-3deg); box-shadow:0 3px 12px rgba(192,96,58,0.25); }
.main-nav { display:flex; align-items:center; gap:6px; list-style:none; background:rgba(255,255,255,0.6); padding:6px; border-radius:40px; border:1px solid rgba(210,130,100,0.12); }
.main-nav a { text-decoration:none; font-size:0.88rem; font-weight:500; padding:8px 18px; border-radius:30px; transition:0.25s; color:#5a6c7a; letter-spacing:0.3px; }
.main-nav a:hover { background:#d28264; color:#fff; }
.nav-cta { padding:10px 22px!important; border-radius:30px!important; color:#fff!important; font-weight:700!important; background:linear-gradient(135deg,#1b5e5c,#0f4a48); box-shadow:0 4px 16px rgba(15,74,72,0.3); letter-spacing:0.5px; }
.nav-cta:hover { transform:scale(1.04); box-shadow:0 6px 22px rgba(15,74,72,0.4); background:linear-gradient(135deg,#1b5e5c,#0f4a48)!important; }
.menu-toggle { display:none; width:40px; height:40px; border-radius:50%; background:#fff; border:1.5px solid rgba(210,130,100,0.2); align-items:center; justify-content:center; cursor:pointer; font-size:1.2rem; color:#2c3e4e; }

/* Hero */
.hero { min-height:75vh; display:flex; align-items:center; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-180px; right:-120px; width:500px; height:500px; border-radius:50%; background:radial-gradient(circle, rgba(210,130,100,0.12) 0%, transparent 70%); pointer-events:none; }
.hero::after { content:''; position:absolute; bottom:-80px; left:-60px; width:300px; height:300px; border-radius:50%; background:radial-gradient(circle, rgba(27,94,92,0.08) 0%, transparent 70%); pointer-events:none; }
.hero-content { max-width:680px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:700; padding:5px 16px; border-radius:20px; margin-bottom:18px; background:#fff; color:#c0603a; letter-spacing:2.5px; text-transform:uppercase; border:1px solid rgba(210,130,100,0.2); }
.hero h1 { font-size:3.4rem; line-height:1.15; margin-bottom:20px; font-weight:900; letter-spacing:-1.5px; color:#1e3a3a; }
.hero h1 span { display:inline-block; background:linear-gradient(135deg,#d28264,#c0603a); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero p { font-size:1.15rem; opacity:0.75; max-width:520px; margin-bottom:36px; color:#5a6c7a; line-height:1.7; }
.hero-buttons { display:flex; gap:14px; flex-wrap:wrap; }
.hero-image { border-radius:20px 20px 20px 60px; overflow:hidden; box-shadow:0 20px 60px rgba(0,0,0,0.08); border:4px solid #fff; position:relative; z-index:1; }
.hero-image::after { content:''; position:absolute; inset:0; border-radius:16px 16px 16px 56px; border:2px solid rgba(210,130,100,0.15); pointer-events:none; z-index:3; }
.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:30px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:0.25s; font-size:0.95rem; letter-spacing:0.3px; }
.btn-primary { color:#fff; background:linear-gradient(135deg,#d28264,#c0603a); box-shadow:0 6px 24px rgba(192,96,58,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 10px 32px rgba(192,96,58,0.4); }
.btn-outline { background:transparent; border:2px solid #d28264; color:#c0603a; }
.btn-outline:hover { background:#d28264; color:#fff; }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:700; letter-spacing:3px; margin-bottom:12px; color:#c0603a; text-transform:uppercase; position:relative; padding-left:28px; }
.section-label::before { content:''; position:absolute; left:0; top:50%; transform:translateY(-50%); width:18px; height:2px; background:#d28264; border-radius:1px; }
.section-title { font-size:2.4rem; margin-bottom:14px; font-weight:900; letter-spacing:-1px; color:#1e3a3a; line-height:1.2; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; font-size:1.05rem; color:#5a6c7a; line-height:1.7; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:20px; }
.category-card { border-radius:18px; padding:30px 26px; border:1.5px solid rgba(210,130,100,0.12); transition:0.3s; background:#fff; position:relative; overflow:hidden; }
.category-card::before { content:''; position:absolute; top:0; left:0; width:4px; height:40px; background:linear-gradient(180deg,#d28264,#c0603a); border-radius:0 0 4px 0; transition:0.3s; }
.category-card:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(0,0,0,0.08); border-color:rgba(210,130,100,0.3); }
.category-card:hover::before { height:100%; width:5px; border-radius:0 0 0 0; opacity:0.15; }
.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:#fdf6f0; color:#c0603a; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#c0603a; display:inline-flex; align-items:center; gap:6px; transition:0.2s; }
.card-link:hover { gap:10px; color:#1b5e5c; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.feature-image { border-radius:24px 24px 24px 80px; overflow:hidden; box-shadow:0 20px 50px rgba(0,0,0,0.06); border:3px solid #fff; position:relative; }
.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:flex-start; gap:10px; color:#5a6c7a; font-size:0.95rem; }
.feature-list li::before { content:'✦'; font-weight:700; color:#d28264; flex-shrink:0; margin-top:2px; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:18px; border:1.5px solid rgba(210,130,100,0.1); background:#fff; transition:0.3s; }
.stat-item:hover { border-color:#d28264; box-shadow:0 8px 28px rgba(0,0,0,0.05); }
.stat-number { font-size:2.6rem; font-weight:900; color:#1e3a3a; letter-spacing:-1px; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#5a6c7a; font-weight:500; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.content-wall-item { border-radius:18px; overflow:hidden; border:1.5px solid rgba(210,130,100,0.1); transition:0.3s; background:#fff; }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(0,0,0,0.08); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:22px; }
.content-wall-body h3 { font-weight:700; color:#1e3a3a; margin-bottom:6px; }
.content-wall-body p { font-size:0.9rem; color:#5a6c7a; opacity:0.8; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1.5px solid rgba(210,130,100,0.12); border-radius:14px; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#fff; transition:0.25s; }
.faq-item:hover { border-color:rgba(210,130,100,0.3); }
.faq-item .faq-question { padding:18px 22px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#1e3a3a; }
.faq-item .faq-answer { padding:0 22px 18px; display:none; opacity:0.7; color:#5a6c7a; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:#d28264; box-shadow:0 4px 20px rgba(210,130,100,0.1); }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:24px; color:#fff; background:linear-gradient(135deg,#1b5e5c,#0f4a48); position:relative; overflow:hidden; }
.cta-banner::before { content:''; position:absolute; top:-60px; right:-60px; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.06); pointer-events:none; }
.cta-banner::after { content:''; position:absolute; bottom:-40px; left:-40px; width:150px; height:150px; border-radius:50%; background:rgba(255,255,255,0.04); pointer-events:none; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:900; letter-spacing:-0.5px; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.7); position:relative; z-index:1; }
.cta-banner .btn-primary { background:#fff; color:#1b5e5c; box-shadow:0 8px 28px rgba(0,0,0,0.2); position:relative; z-index:1; }
.cta-banner .btn-primary:hover { background:#fdf6f0; }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#1e3a3a; color:rgba(255,255,255,0.7); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand p { opacity:0.7; line-height:1.7; margin-top:10px; }
.footer-col h4 { color:#fff; font-weight:700; margin-bottom:16px; font-size:0.95rem; letter-spacing:0.5px; }
.footer-col a { display:block; color:rgba(255,255,255,0.6); text-decoration:none; padding:4px 0; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#d28264; }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.08); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color:rgba(255,255,255,0.4); }

/* 工具类 */
.text-accent { color:#c0603a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5a6c7a; 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:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
  .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:#fdf6f0; padding:16px; border-radius:0 0 16px 16px; box-shadow:0 10px 30px rgba(0,0,0,0.06); gap:4px; }
  .main-nav.open a { padding:12px 16px; border-radius:10px; }
  .hero h1 { font-size:2.2rem; }
  .section-title { font-size:1.8rem; }
  .hero-image { border-radius:16px 16px 16px 40px; }
}
@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 { padding:48px 0; }
  .stat-number { font-size:2rem; }
  .cta-banner { padding:40px 16px; }
  .cta-banner h2 { font-size:1.5rem; }
}