:root{--navy:#11243e;--navy2:#1b3558;--blue:#3678ed;--teal:#2f9aa7;--ink:#13233b;--muted:#687a96;--line:#dce5f1;--bg:#f4f7fb;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}a{color:inherit}.site-head{background:var(--navy);color:white}.head-inner,.wrap{width:min(1080px,calc(100% - 36px));margin:auto}.head-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:22px;font-weight:800}.brand img{width:52px;height:52px}.site-nav{display:flex;gap:20px;align-items:center}.site-nav a{color:#d8e3f2;text-decoration:none;font-size:14px}.site-nav a:hover{color:white}.login-link{border:1px solid #ffffff66;border-radius:8px;padding:8px 14px}.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:white;padding:76px 0 84px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:52px;align-items:center}.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.16;margin:0 0 22px}.hero p{font-size:18px;color:#c7d4e8;margin:0;max-width:720px}.hero-logo{width:min(310px,100%);justify-self:center}.cta{display:inline-block;margin-top:28px;background:var(--blue);color:white;text-decoration:none;border-radius:10px;padding:12px 20px;font-weight:700}.wrap{padding:58px 0}.section-title{font-size:30px;margin:0 0 12px}.lead{color:var(--muted);max-width:780px;margin:0 0 30px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:26px}.card h2,.card h3{margin:0 0 12px;line-height:1.4}.card p{color:var(--muted);margin:0}.content{background:white;border:1px solid var(--line);border-radius:14px;padding:clamp(26px,5vw,52px)}.content h2{margin-top:32px}.content h2:first-child{margin-top:0}.content li{margin:8px 0}.notice{border-left:5px solid var(--teal);background:#edf9fa;border-radius:8px;padding:16px 20px;margin:24px 0}.site-foot{background:#0b192c;color:#9fb0c8;padding:28px 0}.foot-inner{width:min(1080px,calc(100% - 36px));margin:auto;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.site-foot a{color:#cbd8e9;text-decoration:none;margin-left:14px}
@media(max-width:760px){.head-inner{align-items:flex-start;padding:14px 0;flex-direction:column}.site-nav{width:100%;overflow:auto;padding-bottom:4px}.hero{padding:52px 0}.hero-grid{grid-template-columns:1fr}.hero-logo{width:190px;grid-row:1}.cards{grid-template-columns:1fr}.wrap{padding:42px 0}.site-foot a{margin:0 14px 0 0}}