:root{--bg:#f3f6fb;--card:#fff;--text:#14213d;--muted:#68758b;--blue:#2563eb;--red:#dc2626;--green:#059669;--line:#dfe6f0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC",sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.top{height:64px;background:#101828;color:white;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.top b{font-size:18px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}aside{background:#182230;padding:20px 12px}aside a{display:block;color:#c9d3e2;padding:12px 16px;border-radius:9px;margin:4px 0}aside a:hover,aside a.on{background:#2563eb;color:#fff}main{padding:28px;max-width:1400px;width:100%}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 4px 18px #1020400a}.card b{font-size:28px;display:block}.card span,small,.muted{color:var(--muted)}.panel{margin-top:18px}h1{margin:0 0 18px}h2{margin-top:0}label{display:block;font-weight:650;margin:13px 0}input,textarea,select{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;margin-top:6px;background:#fff}textarea{min-height:110px;resize:vertical}.content{min-height:260px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}button,.btn{display:inline-block;border:0;border-radius:8px;background:var(--blue);color:#fff;padding:10px 16px;font-weight:700;cursor:pointer}.btn.gray{background:#475569}.btn.red{background:var(--red)}.btn.green{background:var(--green)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.alert{padding:12px 15px;border-radius:8px;margin:12px 0}.ok{background:#d1fae5;color:#065f46}.err{background:#fee2e2;color:#991b1b}.auth{display:grid;place-items:center;min-height:100vh}.authbox{width:min(620px,94vw);background:#fff;padding:32px;border-radius:16px;box-shadow:0 20px 60px #10204022}.authbox hr{border:0;border-top:1px solid var(--line);margin:24px 0}.check{display:flex;gap:8px;align-items:center;font-weight:500}.check input{width:auto;margin:0}.sitebox{border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0}.variant{border-left:4px solid #93c5fd;padding-left:16px;margin:16px 0}.actions{display:flex;gap:8px;flex-wrap:wrap}.image-preview{display:block;margin-top:10px}.image-preview img{display:block;max-width:360px;max-height:210px;border:1px solid var(--line);border-radius:10px;object-fit:cover}.table-cover{width:96px;height:54px;border-radius:6px;object-fit:cover;display:block}@media(max-width:850px){.layout{grid-template-columns:1fr}aside{display:flex;overflow:auto}.cards,.grid2,.grid3{grid-template-columns:1fr}.top{padding:0 14px}main{padding:16px}table{font-size:13px}}