:root{--bg:#f7f8fb;--card:#fff;--text:#1f2937;--muted:#5f6b7a;--brand:#2457d6;--brand2:#0f766e;--line:#e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}.topbar{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0}.logo{font-weight:800;font-size:20px;color:#fff;text-decoration:none}.menu{display:flex;gap:18px;flex-wrap:wrap}.menu a{color:#eef6ff;text-decoration:none;font-size:15px}.menu a:hover{text-decoration:underline}.hero{padding:54px 0 62px}.hero h1{font-size:42px;line-height:1.25;margin:0 0 18px}.hero p{max-width:760px;font-size:18px;margin:0;color:#eef6ff}.main{padding:34px 0 60px}.grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 30px rgba(15,23,42,.05);margin-bottom:22px}.card h2{font-size:28px;margin:0 0 14px}.card h3{font-size:20px;margin:24px 0 8px}.card p{margin:0 0 14px}.pill{display:inline-block;background:#eef2ff;color:#1e40af;border-radius:999px;padding:5px 11px;margin:0 7px 8px 0;font-size:13px}.links a{display:block;color:var(--brand);text-decoration:none;margin:8px 0}.links a:hover{text-decoration:underline}.notice{background:#ecfdf5;border-left:4px solid var(--brand2);padding:14px 16px;border-radius:10px;color:#065f46}.footer{border-top:1px solid var(--line);background:#fff;padding:26px 0;color:var(--muted);font-size:14px}.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:10px 16px;border-radius:10px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:12px}.breadcrumb a{color:var(--brand);text-decoration:none}.list li{margin:10px 0}@media(max-width:820px){.grid{grid-template-columns:1fr}.hero h1{font-size:32px}.nav{align-items:flex-start;flex-direction:column}}