*, *::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:#3a2e2a; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f5efe8; }

/* 导航 — 复古航海风 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(250,247,242,0.92); backdrop-filter:blur(12px); border-bottom:2px solid #d4c5b2; }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; max-width:1200px; margin:0 auto; padding:0 24px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.3rem; text-decoration:none; color:#3a2e2a; letter-spacing:1px; }
.logo-icon { width:40px; height:40px; border-radius:50%; background:#c9a96e; color:#faf7f2; display:flex; align-items:center; justify-content:center; font-size:1.1rem; box-shadow:0 2px 8px rgba(201,169,110,0.3); }
.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:#5a4a3e; letter-spacing:0.5px; position:relative; padding-bottom:4px; transition:0.2s; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background:#c9a96e; transition:0.3s; }
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#3a2e2a; }
.nav-cta { padding:10px 24px; border-radius:0; background:#c9a96e; color:#faf7f2!important; font-weight:600; letter-spacing:1px; border:2px solid #c9a96e; transition:0.2s; }
.nav-cta:hover { background:#b8955a; border-color:#b8955a; }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; background:none; border:none; font-size:1.4rem; color:#3a2e2a; cursor:pointer; }

/* 首页Hero — 航海罗盘灵感 */
.hero { min-height:75vh; display:flex; align-items:center; background:linear-gradient(135deg, #faf7f2 0%, #efe6db 100%); position:relative; overflow:hidden; }
.hero::before { content:'✦'; position:absolute; top:-60px; right:-40px; font-size:300px; color:rgba(201,169,110,0.06); transform:rotate(15deg); pointer-events:none; }
.hero::after { content:'✦'; position:absolute; bottom:-80px; left:-30px; font-size:250px; color:rgba(201,169,110,0.05); transform:rotate(-10deg); pointer-events:none; }
.hero-content { max-width:720px; position:relative; z-index:2; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:6px 18px; border-radius:0; background:#c9a96e; color:#faf7f2; letter-spacing:2px; margin-bottom:20px; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:18px; color:#2a1f1a; font-weight:800; letter-spacing:-1px; }
.hero h1::after { content:'⛵'; display:inline-block; margin-left:12px; font-size:2.8rem; opacity:0.5; }
.hero p { font-size:1.15rem; opacity:0.75; max-width:560px; margin-bottom:36px; color:#5a4a3e; line-height:1.6; }
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:0; overflow:hidden; position:relative; z-index:2; border:4px solid #c9a96e; box-shadow:12px 12px 0 rgba(201,169,110,0.2); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 — 航海风格 */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:0; font-weight:600; cursor:pointer; border:2px solid #3a2e2a; text-decoration:none; transition:0.25s; font-size:0.9rem; letter-spacing:0.5px; }
.btn-primary { background:#3a2e2a; color:#faf7f2; border-color:#3a2e2a; }
.btn-primary:hover { background:#2a1f1a; border-color:#2a1f1a; transform:translate(-2px,-2px); box-shadow:4px 4px 0 #c9a96e; }
.btn-outline { background:transparent; border:2px solid #3a2e2a; color:#3a2e2a; }
.btn-outline:hover { background:#3a2e2a; color:#faf7f2; transform:translate(-2px,-2px); box-shadow:4px 4px 0 #c9a96e; }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.75rem; font-weight:700; letter-spacing:3px; margin-bottom:14px; color:#c9a96e; text-transform:uppercase; border-bottom:2px solid #c9a96e; padding-bottom:4px; }
.section-title { font-size:2.4rem; margin-bottom:16px; color:#2a1f1a; font-weight:800; letter-spacing:-0.5px; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; color:#5a4a3e; line-height:1.7; }

/* 卡片网格 — 复古卡片 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:0; padding:32px; border:2px solid #d4c5b2; background:#faf7f2; transition:0.25s; position:relative; }
.category-card::before { content:''; position:absolute; top:8px; left:8px; width:100%; height:100%; border:2px solid #c9a96e; z-index:-1; transition:0.25s; opacity:0; }
.category-card:hover { transform:translate(-4px,-4px); border-color:#c9a96e; }
.category-card:hover::before { opacity:1; top:12px; left:12px; }
.card-icon { width:52px; height:52px; border-radius:0; background:#efe6db; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.5rem; color:#3a2e2a; border:2px solid #d4c5b2; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color:#c9a96e; display:inline-flex; align-items:center; gap:6px; }
.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:0; overflow:hidden; border:4px solid #c9a96e; box-shadow:10px 10px 0 rgba(201,169,110,0.15); }
.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:10px; font-size:1rem; color:#5a4a3e; }
.feature-list li::before { content:'⚓'; font-weight:700; color:#c9a96e; font-size:1.1rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
.stat-item { padding:28px 20px; border-radius:0; border:2px solid #d4c5b2; background:#faf7f2; position:relative; }
.stat-item::after { content:''; position:absolute; bottom:-6px; right:-6px; width:100%; height:100%; border:2px solid #c9a96e; z-index:-1; }
.stat-number { font-size:2.6rem; font-weight:800; color:#2a1f1a; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#5a4a3e; letter-spacing:1px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:0; overflow:hidden; border:2px solid #d4c5b2; background:#faf7f2; transition:0.25s; }
.content-wall-item:hover { transform:translate(-3px,-3px); border-color:#c9a96e; box-shadow:8px 8px 0 rgba(201,169,110,0.15); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; border-bottom:2px solid #d4c5b2; }
.content-wall-body { padding:24px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:2px solid #d4c5b2; border-radius:0; margin-bottom:10px; overflow:hidden; cursor:pointer; background:#faf7f2; transition:0.2s; }
.faq-item:hover { border-color:#c9a96e; }
.faq-item .faq-question { padding:18px 24px; font-weight:600; display:flex; justify-content:space-between; color:#2a1f1a; font-size:1.05rem; }
.faq-item .faq-question::after { content:'+'; font-size:1.2rem; color:#c9a96e; transition:0.3s; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { padding:0 24px 18px; display:none; opacity:0.75; color:#5a4a3e; line-height:1.7; }
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:0; background:#3a2e2a; color:#faf7f2; position:relative; overflow:hidden; border:4px solid #c9a96e; }
.cta-banner::before { content:'✦'; position:absolute; top:20px; right:30px; font-size:60px; color:rgba(201,169,110,0.15); }
.cta-banner h2 { color:#faf7f2; font-size:2rem; margin-bottom:16px; }
.cta-banner p { color:rgba(250,247,242,0.7); margin-bottom:28px; }
.cta-banner .btn-primary { background:#c9a96e; border-color:#c9a96e; color:#3a2e2a; }
.cta-banner .btn-primary:hover { background:#b8955a; border-color:#b8955a; box-shadow:4px 4px 0 rgba(250,247,242,0.2); }

/* 页脚 */
.site-footer { padding:60px 0 28px; background:#3a2e2a; color:rgba(250,247,242,0.8); border-top:4px solid #c9a96e; }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { color:#faf7f2; }
.footer-brand p { margin-top:16px; line-height:1.7; opacity:0.7; }
.footer-col h4 { color:#c9a96e; font-size:0.9rem; letter-spacing:2px; margin-bottom:16px; text-transform:uppercase; }
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:10px; }
.footer-col a { color:rgba(250,247,242,0.7); text-decoration:none; transition:0.2s; }
.footer-col a:hover { color:#c9a96e; }
.footer-bottom { border-top:2px solid rgba(201,169,110,0.2); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; opacity:0.6; }

/* 工具类 */
.text-accent { color:#c9a96e; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5a4a3e; 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: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; align-items:center; justify-content:center; width:44px; height:44px; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:#faf7f2; padding:24px; border-bottom:2px solid #d4c5b2; gap:20px; }
  .hero h1 { font-size:2.4rem; }
  .hero h1::after { font-size:2rem; }
  .section-title { font-size:1.8rem; }
}
@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:2rem; }
  .stat-number { font-size:2rem; }
}