:root{--navy:#0B3D91;--blue:#1E5BC7;--cta:#C2410C;--cta-hover:#9A3412;--accent:#F58220;--ink:#1F2937;--gray:#6B7280;--line:#E5E7EB;--surface:#F7F9FC;--footer-bg:#0A2A66;--font-sans:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;--wrap:1280px;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);color:var(--ink);background:#fff;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:var(--navy);color:#fff}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}.brand{font-size:20px;font-weight:800;letter-spacing:.2px;white-space:nowrap}.brand span{color:var(--accent)}.main-nav{display:none}.main-nav a{font-size:14.5px;font-weight:600;padding:8px 12px;border-radius:6px;color:#E8EEF9;transition:background .15s}.main-nav a:hover{background:rgba(255,255,255,.12)}.btn-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--cta);color:#fff;font-weight:700;font-size:15px;padding:10px 18px;border-radius:8px;border:0;transition:background .15s;min-height:44px}.btn-cta:hover{background:var(--cta-hover)}.btn-outline{display:inline-flex;align-items:center;justify-content:center;border:1.5px solid var(--blue);color:var(--navy);font-weight:700;font-size:15px;padding:10px 18px;border-radius:8px;background:#fff;min-height:44px}.btn-outline:hover{background:#EFF4FB}.site-footer{background:var(--footer-bg);color:#C7D4EE;margin-top:0}.footer-grid{display:grid;grid-gap:28px;gap:28px;padding:40px 0 32px;grid-template-columns:1fr}.footer-col h4{color:#fff;font-size:14px;margin:0 0 12px}.footer-col ul{list-style:none;margin:0;padding:0}.footer-col li{margin-bottom:8px;font-size:14px}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13px;color:#9FB4D9;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}.hero{background:linear-gradient(135deg,#0B3D91,#1E5BC7);color:#fff;padding:88px 0 96px}.hero h1{font-size:40px;line-height:1.15;margin:0 0 16px;letter-spacing:.3px}.hero p.lead{font-size:18px;color:#D9E4FA;max-width:640px;margin:0 0 28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero .btn-outline{border-color:#fff;color:#fff;background:transparent}.hero .btn-outline:hover{background:rgba(255,255,255,.14)}.section{padding:72px 0}.section-head{margin-bottom:32px}.section-head h2{font-size:28px;margin:0 0 8px;color:var(--ink)}.section-head p{color:var(--gray);margin:0;font-size:16px;max-width:720px}.category-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(2,1fr)}.category-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;transition:box-shadow .15s,border-color .15s}.category-card:hover{border-color:var(--blue);box-shadow:0 6px 18px rgba(11,61,145,.08)}.category-card h3{margin:0 0 6px;font-size:17px}.category-card p{margin:0 0 14px;color:var(--gray);font-size:14px}.category-card .link{color:var(--cta);font-weight:700;font-size:14px}.trust-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}.trust-grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:repeat(2,1fr);text-align:center}.trust-item .num{font-size:30px;font-weight:800;color:var(--navy)}.trust-item .label{font-size:14px;color:var(--gray)}.cta-band{background:var(--navy);color:#fff;text-align:center;padding:72px 0}.cta-band h2{font-size:28px;margin:0 0 12px}.cta-band p{color:#D9E4FA;margin:0 0 28px;font-size:16px}.placeholder-badge{display:inline-block;font-size:11.5px;font-weight:700;color:#92400E;background:#FFF4E5;border:1px solid #fcd34d;border-radius:4px;padding:2px 8px;margin-left:8px;vertical-align:middle}@media (min-width:768px){.main-nav{display:flex;gap:4px}.mobile-menu-btn{display:none}.category-grid,.footer-grid,.trust-grid{grid-template-columns:repeat(4,1fr)}.hero h1{font-size:52px}}.mobile-menu-btn{background:none;border:0;color:#fff;font-size:22px;width:44px;height:44px}.mobile-menu{display:none;flex-direction:column;gap:2px;padding:8px 20px 16px}.mobile-menu.open{display:flex}.mobile-menu a{font-size:15px;font-weight:600;color:#E8EEF9;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.1)}