:root{
  --bg:#0b0e1a; --bg2:#11162a; --card:rgba(255,255,255,.04); --card-border:rgba(255,255,255,.08);
  --ink:#e8ecf8; --muted:#8b93b0; --accent:#6d7eff; --accent2:#9b6cff;
  --grad:linear-gradient(135deg,#6d7eff,#9b6cff); --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);min-height:100vh;
  background-image:radial-gradient(circle at 15% 10%,rgba(109,126,255,.18),transparent 35%),
    radial-gradient(circle at 85% 20%,rgba(155,108,255,.15),transparent 35%);}
a{color:var(--accent);text-decoration:none}
.muted{color:var(--muted)}

/* 登录页 */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(420px,100%);background:rgba(17,22,42,.7);backdrop-filter:blur(20px);
  border:1px solid var(--card-border);border-radius:24px;padding:42px 36px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;margin-bottom:24px}
.logo{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800}
.login-card h1{font-size:26px;margin:0 0 6px}
.login-card .muted{margin:0 0 24px;font-size:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input{width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--card-border);
  background:rgba(0,0,0,.25);color:var(--ink);font-size:15px;outline:none}
input:focus{border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;border:0;border-radius:12px;
  cursor:pointer;font-size:15px;font-weight:600;color:#fff;padding:0 22px}
.btn.primary{width:100%;background:var(--grad);margin-top:6px}
.alert{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.3);color:#ffb4b4;
  padding:12px 14px;border-radius:12px;font-size:14px;margin-bottom:18px}

/* 顶栏 */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;
  border-bottom:1px solid var(--card-border);background:rgba(11,14,26,.6);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}
.topbar .brand{margin:0}
.topbar .right{display:flex;align-items:center;gap:18px;font-size:14px;color:var(--muted)}
.topbar .right .name{color:var(--ink);font-weight:600}

/* 面板容器 */
.wrap{max-width:1080px;margin:0 auto;padding:28px}
.page-title{font-size:22px;margin:0 0 20px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:22px;backdrop-filter:blur(8px)}
.card h3{margin:0 0 16px;font-size:16px}
.metric{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.metric .v{font-size:26px;font-weight:700}
.metric .u{font-size:13px;color:var(--muted)}
.bar{height:8px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:8px}
.bar > i{display:block;height:100%;background:var(--grad)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 10px;border-radius:999px}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok)} .tag.bad{background:rgba(248,113,113,.14);color:var(--bad)}

/* 二维码订阅卡 */
.subs{display:grid;grid-template-columns:repeat(2,minmax(0,340px));justify-content:center;gap:18px;align-items:start}
@media(max-width:760px){.subs{grid-template-columns:minmax(0,340px)}}
.sub{text-align:center}
.sub img{width:170px;height:170px;border-radius:14px;background:#fff;padding:10px;margin-bottom:10px}
.sub .remark{font-weight:600;margin-bottom:4px}
.sub .host{font-size:12px;color:var(--muted);margin-bottom:10px;word-break:break-all}
.copy-btn{font-size:13px;border:1px solid var(--card-border);background:rgba(255,255,255,.04);
  color:var(--ink);border-radius:10px;padding:8px 14px;cursor:pointer}
.copy-btn:hover{border-color:var(--accent)}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--card-border)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
td.num{font-variant-numeric:tabular-nums}

/* 内联表单 */
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:end;margin-top:10px}
.inline-form input{width:auto;min-width:130px}
.inline-form .btn{height:46px}

@media(max-width:760px){
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .wrap{padding:18px}
}

select{height:46px;padding:0 12px;border-radius:12px;border:1px solid var(--card-border);background:rgba(0,0,0,.25);color:var(--ink);font-size:15px;outline:none}
td.ops{white-space:nowrap}td.ops form{display:inline-flex;gap:6px;align-items:center;margin-right:6px}
td.ops input[type=password]{height:34px;min-width:88px;font-size:13px}

.acct-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--card-border);flex-wrap:wrap}
.acct-info{display:flex;align-items:center;gap:10px}
.acct-name{font-weight:600;font-size:15px}
.acct-ops{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.acct-ops form{display:flex;gap:4px;align-items:center;margin:0}
.acct-input{height:34px;width:100px;padding:0 8px;border-radius:8px;border:1px solid var(--card-border);background:rgba(0,0,0,.25);color:var(--ink);font-size:13px;outline:none}
.acct-input:focus{border-color:var(--accent)}
a.copy-btn{display:inline-block;text-decoration:none;color:inherit;cursor:pointer}
a.copy-btn.import{border-color:var(--accent);margin-left:6px}
.sub .desc{font-size:12.5px;color:var(--muted);margin:0 0 10px;line-height:1.45}

/* 订阅区：左2大卡 + 右2小卡纵向堆叠，整体居中 */
.subs-wrap{display:flex;justify-content:center;gap:18px;align-items:flex-start;flex-wrap:wrap}
.subs-big{display:grid;grid-template-columns:repeat(2,minmax(0,320px));gap:18px}
.subs-small{display:grid;gap:18px;width:320px;align-content:start}
@media(max-width:1100px){.subs-small{grid-template-columns:repeat(2,minmax(0,320px));width:auto}}
@media(max-width:720px){.subs-big{grid-template-columns:minmax(0,320px)}.subs-small{grid-template-columns:minmax(0,320px);width:100%}}