:root{--bg:#f4f6fb;--card:#fff;--ink:#1e293b;--mut:#64748b;--line:#e5e9f2;--brand:#4f46e5;--brand2:#7c3aed;--ok:#059669;--bad:#dc2626;--warn:#d97706}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}
/* 布局：桌面左侧栏，手机底部标签栏 */
.app{display:flex;min-height:100vh}
.side{width:216px;background:#111827;color:#cbd5e1;padding:18px 12px;position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;padding:4px 10px 18px}
.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;font-size:18px}
.side a.nav{display:flex;align-items:center;gap:10px;color:#cbd5e1;padding:10px 12px;border-radius:9px;margin-bottom:2px;font-size:14px}
.side a.nav:hover{background:#1f2937;color:#fff}.side a.nav.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.side .grow{flex:1}
.side button.out{width:100%;background:#1f2937;color:#cbd5e1;margin:0}
.main{margin-left:216px;flex:1;min-width:0}
main{max-width:900px;margin:0 auto;padding:22px 18px 40px}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 10px}.sub{color:var(--mut);margin:0 0 16px;font-size:14px}
/* 卡片 */
.card{background:var(--card);border-radius:14px;padding:18px;margin-bottom:14px;box-shadow:0 1px 3px rgba(15,23,42,.06);border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:0 1px 3px rgba(15,23,42,.05)}
.stat .k{color:var(--mut);font-size:13px}.stat .v{font-size:24px;font-weight:700;margin-top:2px}.stat .n{font-size:12px;color:var(--mut)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;background:#94a3b8}.dot.g{background:var(--ok)}.dot.r{background:var(--bad)}.dot.y{background:var(--warn)}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600;background:#eef2ff;color:var(--brand)}
.badge.ok{background:#d1fae5;color:#047857}.badge.bad{background:#fee2e2;color:#b91c1c}.badge.off{background:#f1f5f9;color:#64748b}.badge.warn{background:#fef3c7;color:#b45309}
/* 表单 */
label{display:block;margin:12px 0 5px;font-weight:600;font-size:14px}
input[type=text],input[type=password],input[type=number],textarea,select{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:9px;font-size:15px;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
button{background:var(--brand);color:#fff;border:0;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;margin:10px 8px 0 0}
button:hover{filter:brightness(1.08)}button.red{background:var(--bad)}button.gray{background:#64748b}button.ghost{background:#eef2ff;color:var(--brand)}
button.sm{padding:6px 12px;font-size:13px;margin:0}
.inline{display:inline}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.flash{background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;padding:11px 14px;border-radius:10px;margin-bottom:12px}
.ok{color:var(--ok);font-weight:600}.bad{color:var(--bad);font-weight:600}.mut{color:var(--mut);font-size:13px}
table{width:100%;border-collapse:collapse}td,th{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:middle}th{color:var(--mut);font-weight:600;font-size:13px}
pre{white-space:pre-wrap;word-break:break-all;font-size:12px;background:#0f172a;color:#e2e8f0;padding:14px;border-radius:10px;max-height:60vh;overflow:auto}
/* 登录步骤条 */
.steps{display:flex;gap:6px;margin:6px 0 4px}.steps span{flex:1;text-align:center;padding:7px 4px;border-radius:8px;background:#f1f5f9;color:#94a3b8;font-size:13px;font-weight:600}
.steps span.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.steps span.done{background:#d1fae5;color:#047857}
.code input{font-size:26px;letter-spacing:10px;text-align:center}
.acc{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.acc .hd{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
/* 登录页 */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(circle at 20% 10%,#c7d2fe,transparent 45%),radial-gradient(circle at 85% 90%,#ddd6fe,transparent 45%),#eef2ff}
.auth .box{width:100%;max-width:400px;background:#fff;border-radius:20px;padding:30px 26px;box-shadow:0 20px 50px rgba(79,70,229,.18)}
.auth .logo{width:54px;height:54px;font-size:28px;margin:0 auto 12px;border-radius:16px}
.auth h1{text-align:center;font-size:21px}.auth .sub{text-align:center}.auth button{width:100%;margin:16px 0 0;padding:12px;font-size:15px}
.auth .foot{text-align:center;margin-top:16px}
@media(max-width:760px){
 .side{top:auto;width:100%;height:auto;flex-direction:row;padding:4px;overflow-x:auto;z-index:9;border-top:1px solid #1f2937}
 .brand,.side .grow,.side form{display:none}.side a.nav{flex-direction:column;gap:2px;padding:7px 10px;font-size:11px;min-width:58px;text-align:center;margin:0;white-space:nowrap}
 .main{margin-left:0;padding-bottom:70px}main{padding:14px 12px 30px}.top form{display:block}
 td,th{padding:8px 5px;font-size:13px}.grid{grid-template-columns:1fr 1fr}
}