:root{font-family:system-ui,-apple-system,"PingFang SC",sans-serif;color:#243348;background:#f5f7fa;line-height:1.75}*{box-sizing:border-box}body{margin:0}a{color:#245fbd;text-underline-offset:3px}header{max-width:1040px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;gap:20px;flex-wrap:wrap}.brand{font-weight:750;color:#172844;text-decoration:none}nav{display:flex;gap:20px;align-items:center}main{max-width:900px;margin:10px auto 32px;background:white;border:1px solid #e0e6ed;border-radius:16px;padding:32px 40px}h1{font-size:30px;line-height:1.35;margin:16px 0}h2{font-size:21px;margin-top:30px}h3{font-size:17px}.lead,.breadcrumb,footer{color:#68788b}.breadcrumb{font-size:13px}.button{display:inline-block;padding:8px 16px;background:#245fbd;color:white;border-radius:8px;text-decoration:none}aside{border-top:1px solid #e0e6ed;margin-top:32px;padding-top:4px}.cards{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.cards li{border:1px solid #e0e6ed;border-radius:12px;padding:16px}.cards a{font-weight:bold}.cards p{margin-bottom:0;font-size:14px}pre{background:#f4f6f8;border-radius:8px;padding:20px;overflow:auto;line-height:1.7}table{border-collapse:collapse;width:100%}td,th{border:1px solid #dbe2ea;padding:10px;text-align:left}footer{text-align:center;padding:0 20px 30px;font-size:13px}@media(max-width:640px){header{padding:16px;gap:12px}nav{gap:12px;font-size:13px}main{margin:0 10px 24px;padding:20px}h1{font-size:25px}.cards{grid-template-columns:1fr}td,th{padding:6px;font-size:13px}}
