:root{--ink:#16283a;--muted:#73869a;--line:#e3ebf2;--blue:#1261a0;--bg:#f4f7fb;--card:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink)}a{color:var(--blue);text-decoration:none}.admin-layout{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.admin-layout>aside{background:#0f2437;color:#d5e6f4;padding:22px 14px}.brand-big{display:flex;align-items:center;gap:10px}.brand-big>span{width:38px;height:38px;background:linear-gradient(135deg,#1979c2,#64afe5);display:grid;place-items:center;border-radius:12px;color:#fff;font-weight:800}.brand-big b{display:block;font-size:14px}.brand-big small{display:block;color:#7894aa;font-size:10px;letter-spacing:.08em;margin-top:2px}.brand-big.side{padding:6px 10px 24px}.side-link{display:block;color:#adc2d3;padding:12px 13px;border-radius:11px;margin:4px 0;font-size:13px}.side-link.active,.side-link:hover{background:rgba(255,255,255,.08);color:#fff}.side-link.danger{margin-top:24px;color:#ffafaf}.admin-main{padding:34px;max-width:1450px;width:100%}.admin-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.admin-head h1{margin:5px 0 0;font-size:30px}.kicker{font-size:10px;font-weight:800;letter-spacing:.18em;color:#438ec8}.admin-user{font-size:12px;color:var(--muted)}.head-actions{display:flex;gap:8px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px}.stat-card span{color:var(--muted);font-size:12px}.stat-card strong{display:block;font-size:30px;margin-top:6px}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:18px}.panel h2{font-size:17px;margin:0 0 16px}.panel-head{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:13px 11px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:11px;color:#7a8c9d;font-weight:700}.tag{display:inline-flex;padding:4px 7px;border-radius:999px;background:#f0f3f6;color:#687b8e;font-size:10px}.tag.ok{background:#e7faf2;color:#18855d}.btn{display:inline-block;border:0;background:var(--blue);color:#fff;padding:11px 16px;border-radius:11px;font-weight:750;cursor:pointer}.btn.ghost{background:#eef3f7;color:#476175}.tip{color:#607487}.search-admin{display:flex;gap:8px;margin-bottom:14px}.search-admin input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:11px;outline:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{font-size:12px;color:#6f8193}.form-grid input,.form-grid select,.form-grid textarea{display:block;width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:0;background:#fff;font:inherit}.form-grid .full{grid-column:1/-1}.check{display:flex;align-items:center;gap:7px}.check input{width:auto;margin:0}.form-actions{grid-column:1/-1;display:flex;gap:8px}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#edf7ff,#f7fafc)}.login-card{width:min(410px,calc(100% - 28px));background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 18px 55px rgba(23,68,102,.1)}.login-card h1{margin:28px 0 16px;font-size:26px}.login-card label{display:block;font-size:12px;color:#6d8092;margin:12px 0}.login-card input{display:block;width:100%;padding:12px;margin-top:6px;border:1px solid var(--line);border-radius:11px}.login-card button{width:100%;border:0;padding:13px;border-radius:11px;background:var(--blue);color:#fff;font-weight:800;margin-top:10px}.login-card p{font-size:11px;color:#94a1ad}.error,.notice{padding:12px 14px;border-radius:10px;font-size:12px;margin-bottom:14px}.error{background:#fff0f0;color:#a53c3c}.okbox{background:#ebfbf3;color:#227a58}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}pre{white-space:pre-wrap;background:#f5f8fa;padding:14px;border-radius:10px;font-size:11px;color:#516676}@media(max-width:850px){.admin-layout{grid-template-columns:1fr}.admin-layout>aside{display:none}.admin-main{padding:18px}.stat-grid,.grid2,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.admin-head{align-items:flex-start;flex-direction:column}.head-actions{width:100%}}