:root {
  --bg: #0b0e14; --bg2: #11151f; --card: #161b28; --card2: #1c2333;
  --border: #252d40; --text: #e6eaf2; --muted: #8b94a7;
  --acc: #6c7bff; --acc2: #22d3ee; --ok: #34d399; --warn: #fbbf24; --err: #f87171;
  --grad: linear-gradient(135deg, #6c7bff 0%, #22d3ee 100%);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif; min-height: 100vh; }
a { color: var(--acc2); text-decoration: none; }
code { background: var(--card2); padding: 2px 6px; border-radius: 6px; font-size: 13px; }

/* 导航 */
.nav { display: flex; align-items: center; gap: 22px; padding: 14px 28px; background: rgba(11,14,20,.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.nav .logo { font-weight: 700; font-size: 18px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav a.item { color: var(--muted); font-size: 14px; }
.nav a.item:hover, .nav a.item.on { color: var(--text); }
.nav .sp { flex: 1; }
.btn { display: inline-block; border: none; cursor: pointer; border-radius: 10px; padding: 9px 18px; font-size: 14px; color: #fff; background: var(--grad); transition: .15s; }
.btn:hover { opacity: .88; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.small { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.btn.danger { background: linear-gradient(135deg,#f87171,#fb7185); }
.btn.ok { background: linear-gradient(135deg,#34d399,#22d3ee); }

/* Hero */
.hero { text-align: center; padding: 72px 20px 48px; background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(108,123,255,.18), transparent); }
.hero h1 { font-size: 42px; letter-spacing: 1px; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); margin-top: 14px; font-size: 16px; }
.hero .cta { margin-top: 26px; display: flex; gap: 14px; justify-content: center; }

/* 卡片与布局 */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px 60px; }
h2.sec { font-size: 22px; margin: 34px 0 16px; }
.grid { display: grid; gap: 14px; }
.grid.c3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid.c2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.card h3 { font-size: 15px; margin-bottom: 8px; }
.card .desc { color: var(--muted); font-size: 13px; line-height: 1.7; }
.tag { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted); }
.tag.prem { color: #c7d2fe; border-color: #6c7bff55; background: #6c7bff14; }
.tag.free { color: #a7f3d0; border-color: #34d39955; background: #34d39914; }
.price { font-size: 30px; font-weight: 700; margin: 10px 0; }
.price small { font-size: 13px; color: var(--muted); font-weight: 400; }

/* 表单 */
.form { max-width: 400px; margin: 60px auto; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.form h2 { margin-bottom: 20px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.form input, .form select, .form textarea { width: 100%; background: var(--bg2); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 10px 12px; font-size: 14px; outline: none; }
.form input:focus { border-color: var(--acc); }
.form .btn { width: 100%; margin-top: 22px; padding: 11px; }
.form .alt { text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); }
.msg { margin-top: 14px; font-size: 13px; min-height: 18px; }
.msg.err { color: var(--err); } .msg.ok { color: var(--ok); }

/* 控制台 */
.console { display: flex; max-width: 1180px; margin: 0 auto; min-height: calc(100vh - 55px); }
.side { width: 210px; padding: 24px 14px; border-right: 1px solid var(--border); }
.side a { display: block; padding: 10px 14px; border-radius: 10px; color: var(--muted); font-size: 14px; margin-bottom: 4px; cursor: pointer; }
.side a.on { background: var(--card2); color: var(--text); }
.main { flex: 1; padding: 28px 32px; }
.stat { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat .card .k { color: var(--muted); font-size: 13px; }
.stat .card .v { font-size: 26px; font-weight: 700; margin-top: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
td .key, .mono { font-family: Consolas, monospace; font-size: 12px; }
.toolbar { display: flex; gap: 10px; margin: 14px 0; flex-wrap: wrap; align-items: center; }
.pill { font-size: 12px; padding: 2px 10px; border-radius: 99px; }
.pill.ok { background: #34d39922; color: var(--ok); }
.pill.no { background: #f8717122; color: var(--err); }
.pill.warn { background: #fbbf2422; color: var(--warn); }
.bar { background: var(--bg2); border-radius: 6px; height: 8px; overflow: hidden; margin-top: 6px; }
.bar i { display: block; height: 100%; background: var(--grad); }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 30px 0; border-top: 1px solid var(--border); margin-top: 40px; }
.hidden { display: none !important; }