:root{--primary: #0f4c81;--primary-dark: #0a3559;--accent: #e8a33d;--text: #1c2733;--muted: #5a6a7a;--bg: #ffffff;--bg-alt: #f4f7fa;--border: #dde5ec;--radius: 10px;--maxw: 1120px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:16px}img,svg{max-width:100%;display:block}a{color:var(--primary);text-decoration:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-size:22px;font-weight:800;letter-spacing:2px;color:var(--primary)}.nav{display:flex;gap:28px}.nav a{color:var(--text);font-weight:500;font-size:15px}.nav a:hover,.nav a[aria-current=page]{color:var(--primary)}.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;transition:background .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{filter:brightness(.92)}.btn-outline{border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,#1a659e 100%);color:#fff;padding:96px 0}.hero h1{font-size:44px;line-height:1.2;max-width:760px}.hero p{margin-top:18px;font-size:19px;max-width:680px;color:#dbe7f2}.hero .actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}.hero-cn{margin-top:14px;font-size:15px;color:#aac4dd}.section{padding:76px 0}.section.alt{background:var(--bg-alt)}.section-title{font-size:32px;text-align:center;margin-bottom:10px}.section-sub{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 48px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}.stat .value{font-size:40px;font-weight:800;color:var(--primary)}.stat .label{color:var(--muted);font-size:14px;margin-top:4px}.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px #0f4c811f}.card .thumb{height:150px;background:linear-gradient(135deg,#cfe0ef,#9dbdd9);display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-weight:700;font-size:15px;padding:16px;text-align:center}.card .body{padding:22px}.card h3{font-size:19px;margin-bottom:8px}.card p{color:var(--muted);font-size:14.5px}.card .cat{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:#e3eef8;padding:3px 10px;border-radius:20px;margin-bottom:12px}.card .price{display:inline-block;margin-top:14px;font-weight:700;color:var(--primary-dark);font-size:14px}.feature-list{list-style:none;display:grid;gap:10px;margin:18px 0}.feature-list li{padding-left:26px;position:relative}.feature-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.value-item h3{font-size:19px;margin-bottom:8px}.value-item p{color:var(--muted);font-size:15px}.value-item .num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;margin-bottom:14px;background:var(--primary);color:#fff;font-weight:800;font-size:17px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.step{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;position:relative}.step .stepnum{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px}.step h3{font-size:17px;margin:8px 0}.step p{color:var(--muted);font-size:14px}.spec-table{width:100%;border-collapse:collapse;margin-top:18px}.spec-table th,.spec-table td{border:1px solid var(--border);padding:10px 14px;text-align:left;font-size:15px}.spec-table th{background:var(--bg-alt);width:38%}.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:48px}.contact-info dt{font-weight:700;margin-top:18px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.contact-info dd{font-size:16px;margin-top:4px}.form-group{margin-bottom:18px}.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:2px solid var(--primary);border-color:transparent}.site-footer{background:var(--primary-dark);color:#b9cddf;padding:44px 0 28px;margin-top:76px}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.footer-inner a{color:#dbe7f2}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:13px}@media(max-width:860px){.hero h1{font-size:32px}.stats-grid{grid-template-columns:repeat(2,1fr)}.cards-grid,.value-grid,.process-grid,.contact-grid{grid-template-columns:1fr}.nav{display:none}}