:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#26384d;background:#f2f7f8;line-height:1.72;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0}a{color:#167f9f}.top{height:60px;padding:0 26px;border-bottom:1px solid #dce7eb;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(15px)}.brand{color:#26384d;text-decoration:none;font-weight:850}.top nav{display:flex;gap:18px}.top nav a{text-decoration:none;font-size:13px}.shell{width:min(1120px,calc(100% - 34px));margin:auto}.hero{padding:64px 0 42px}.eyebrow{color:#278ba3;font-size:12px;font-weight:850;letter-spacing:.14em}.hero h1{margin:9px 0 12px;font-size:42px;line-height:1.2}.hero p{max-width:820px;margin:0;color:#708294;font-size:16px}.hero-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid #bfd8df;border-radius:8px;text-decoration:none;font-size:13px;font-weight:750;background:#fff}.button.primary{border-color:#2d93a9;color:#fff;background:#2d93a9}.provider-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.provider-card{padding:26px;border:1px solid #dbe7eb;border-radius:14px;background:#fff;box-shadow:0 12px 30px rgba(41,72,88,.06);position:relative}.provider-card.featured{border-color:#6eb6c5;box-shadow:0 14px 34px rgba(45,147,169,.12)}.provider-card h2{margin:0 0 8px;font-size:25px}.provider-card p{margin:0;color:#6b7e8f}.provider-card ul{min-height:92px;margin:18px 0;padding-left:20px;font-size:14px}.recommend{position:absolute;top:22px;right:22px;padding:3px 10px;border-radius:999px;color:#fff;background:#2d93a9;font-size:12px;font-weight:800}.section{padding:34px 0;scroll-margin-top:68px}.section h2{margin:0 0 9px;font-size:27px}.lead{max-width:870px;margin:0 0 18px;color:#6e8191}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.note{padding:17px 18px;border:1px solid #dbe7eb;border-radius:10px;background:#fff;box-shadow:0 8px 24px rgba(41,72,88,.045)}.card h3{margin:0 0 7px;font-size:17px}.card p{margin:0;color:#6b7e8f;font-size:13px}.card ul{margin:10px 0 0;padding-left:19px;font-size:13px}.code{display:block;margin:9px 0 0;padding:9px 11px;border-radius:7px;overflow-wrap:anywhere;color:#385369;background:#eef4f6;font:12px Consolas,monospace}.steps{counter-reset:item;padding:0;list-style:none}.steps li{margin:10px 0;padding:13px 15px 13px 54px;border:1px solid #dfe8ec;border-radius:9px;position:relative;background:#fff}.steps li:before{counter-increment:item;content:counter(item);width:27px;height:27px;border-radius:7px;display:grid;place-items:center;position:absolute;left:14px;top:13px;color:#fff;background:#398fca;font-weight:850}.note{margin-top:14px;border-left:4px solid #2e91a8}.note.warn{border-left-color:#d49a45;background:#fffaf0}.note.success{border-left-color:#35a083;background:#f4fbf8}.note strong{display:block;margin-bottom:4px}.table-wrap{overflow:auto;border:1px solid #dce7eb;border-radius:10px;background:#fff}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:12px 13px;border-bottom:1px solid #e3ebee;text-align:left;vertical-align:top}th{color:#fff;background:#29455c}tr:last-child td{border-bottom:0}tbody tr:nth-child(odd){background:#f8fbfc}.tag{display:inline-block;padding:2px 7px;border-radius:999px;color:#287f94;background:#e7f5f7;font-size:11px;font-weight:750}.footer{margin-top:45px;padding:24px 0 38px;border-top:1px solid #dce7eb;color:#7c8e9d;font-size:12px}@media(max-width:780px){.top nav{display:none}.hero{padding-top:40px}.hero h1{font-size:32px}.provider-grid,.grid,.grid.three{grid-template-columns:1fr}.provider-card ul{min-height:0}}