*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--text: #1e293b;--text-secondary: #64748b;--bg: #ffffff;--bg-gray: #f8fafc;--border: #e2e8f0;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .08);--nav-height: 64px}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}.container{max-width:1100px;margin:0 auto;padding:0 24px}a{color:var(--primary);text-decoration:none}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:#ffffffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;transition:box-shadow .3s}.navbar.scrolled{box-shadow:0 1px 8px #00000014}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.logo{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--text);font-size:18px}.logo-icon{background:var(--primary);color:#fff;padding:4px 8px;border-radius:6px;font-size:14px;font-weight:800}.nav-links{display:flex;gap:32px}.nav-links a{color:var(--text-secondary);font-size:15px;font-weight:500;transition:color .2s;padding:4px 0}.nav-links a:hover,.nav-links a.router-link-exact-active{color:var(--primary)}.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.2s}.main-content{min-height:calc(100vh - var(--nav-height));padding-top:var(--nav-height)}.hero{text-align:center;padding:100px 0 80px;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 100%)}.hero h1{font-size:48px;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:-.5px}.hero-subtitle{font-size:20px;color:var(--primary);font-weight:500;margin-bottom:12px}.hero-desc{font-size:16px;color:var(--text-secondary);max-width:500px;margin:0 auto}.features{padding:80px 0}.section-title{text-align:center;font-size:32px;font-weight:700;margin-bottom:48px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.feature-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:box-shadow .3s,transform .3s}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.feature-icon{font-size:40px;margin-bottom:16px}.feature-card h3{font-size:18px;font-weight:600;margin-bottom:8px}.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.6}.cta{text-align:center;padding:80px 0;background:var(--bg-gray)}.cta h2{font-size:28px;font-weight:700;margin-bottom:12px}.cta p{color:var(--text-secondary);margin-bottom:32px}.cta-buttons{display:flex;gap:16px;justify-content:center}.btn{display:inline-block;padding:12px 32px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.doc-page{padding:48px 0 80px}.doc-loading{text-align:center;color:var(--text-secondary);padding:60px 0}.doc-content{max-width:800px;margin:0 auto}.doc-content h1{font-size:32px;font-weight:700;margin-bottom:8px;padding-bottom:16px;border-bottom:2px solid var(--border)}.doc-content h2{font-size:22px;font-weight:600;margin-top:40px;margin-bottom:16px;color:var(--text)}.doc-content p{margin-bottom:12px;color:var(--text-secondary);font-size:15px;line-height:1.8}.footer{background:var(--text);color:#cbd5e1;padding:48px 0 32px}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:20px}.footer .logo-icon{background:#ffffff26}.footer .logo-text{color:#fff}.footer-info{text-align:center;font-size:14px;line-height:1.8}.footer-links{display:flex;gap:24px}.footer-links a{color:#94a3b8;font-size:14px}.footer-links a:hover{color:#fff}.footer-copyright{font-size:13px;color:#64748b;margin-top:8px}@media (max-width: 768px){.hero h1{font-size:32px}.hero-subtitle{font-size:17px}.feature-grid{grid-template-columns:repeat(2,1fr);gap:16px}.menu-toggle{display:flex}.nav-links{position:fixed;top:var(--nav-height);left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;gap:12px;box-shadow:var(--shadow-lg);transform:translateY(-100%);opacity:0;pointer-events:none;transition:all .3s}.nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}.cta-buttons{flex-direction:column;align-items:center}.section-title{font-size:26px}}@media (max-width: 480px){.feature-grid{grid-template-columns:1fr}.hero{padding:60px 0 50px}.hero h1{font-size:28px}}