500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#090c13;--panel:#111722;--line:#242d3d;--muted:#8c9ab1;--accent:#7b8cff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#edf2ff;font-family:Inter,'Microsoft YaHei',sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);background:#1a2231;color:#fff;border-radius:9px;padding:11px 17px;display:inline-block}button:hover,.button:hover{border-color:var(--accent)}.primary{background:var(--accent);color:#080d20;border-color:var(--accent);font-weight:700}.muted,p{color:var(--muted);line-height:1.8}.logo{font-size:21px;font-weight:800;letter-spacing:-.7px}.logo span{color:var(--accent)}header{height:84px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 7%}.hero{max-width:1100px;margin:90px auto 65px;padding:0 25px;display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:center}.badge{display:inline-block;background:#7b8cff12;border:1px solid #7b8cff44;border-radius:30px;padding:7px 13px;color:#aab4ff;font-size:12px}h1{font-size:58px;line-height:1.15;letter-spacing:-2px;margin:25px 0}h1 span{color:#a0acff}h2{font-size:25px;letter-spacing:-.7px}h3{margin:0 0 10px}.hero p{font-size:16px;margin-bottom:30px}.panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:25px}.preview{box-shadow:0 0 100px #5e6be315;transform:none}.preview .row{padding:18px 0;border-bottom:1px solid var(--line)}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#64dfac;margin-right:7px}.features{max-width:1100px;margin:0 auto 80px;padding:0 25px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.icon{color:#aab4ff;font-size:25px;margin-bottom:20px}footer{text-align:center;border-top:1px solid var(--line);padding:25px;color:var(--muted)}dialog{background:var(--panel);color:#edf2ff;border:1px solid var(--line);border-radius:18px;padding:30px;width:420px;max-width:95vw}dialog::backdrop{background:#000a;backdrop-filter:blur(8px)}label{display:block;margin:16px 0 7px;color:#b5c1d6}input,select,textarea{width:100%;padding:12px;background:#0b101a;color:#fff;border:1px solid var(--line);border-radius:8px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{min-height:100px;resize:vertical}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.error{color:#ffacac;white-space:pre-wrap}.shell{display:grid;grid-template-columns:235px 1fr;min-height:100vh}aside{border-right:1px solid var(--line);padding:30px 20px;background:#0c1019}aside nav{margin-top:50px}aside button{display:block;width:100%;text-align:left;background:transparent;border:0;margin:8px 0;color:var(--muted)}aside button.active{background:#7b8cff18;color:#b5beff}main{padding:35px 45px;max-width:1400px;width:100%}.topbar{border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:32px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:25px 0 35px}.stat strong{font-size:32px;display:block;margin-top:12px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.status{font-size:12px;color:#7de0b4;background:#7de0b413;padding:6px 9px;border-radius:6px}.actions{display:flex;gap:10px;margin-top:22px}.empty{text-align:center;padding:55px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}.wide{width:700px}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.check{display:flex;gap:10px;align-items:center}.check input{width:auto}small{color:var(--muted);line-height:1.8}.rule{display:grid;grid-template-columns:1fr 1.5fr auto;gap:8px;margin-top:10px}.notice{background:#7b8cff0c;border:1px solid #7b8cff30;border-radius:10px;padding:15px;margin:20px 0;color:#b5beff}.toast{position:fixed;right:25px;bottom:25px;background:#202a3e;padding:16px 24px;border:1px solid var(--accent);border-radius:10px;z-index:10}@media(max-width:800px){.hero{grid-template-columns:1fr;margin-top:45px;gap:30px}h1{font-size:42px}.features,.grid{grid-template-columns:1fr}.shell{grid-template-columns:1fr}aside{padding:15px}aside nav{margin-top:10px;display:flex}main{padding:22px}.two{grid-template-columns:1fr}.stats{gap:8px}.stat{padding:15px}.rule{grid-template-columns:1fr}.preview{transform:none}}

[hidden]{display:none!important}.nav-label{display:block;font-size:11px;letter-spacing:1px;margin:28px 15px 12px;color:#65738c}aside{position:sticky;top:0;height:100vh}aside nav{display:block}aside button.active{border-left:2px solid var(--accent)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel)}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{text-align:left;padding:18px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:500;font-size:12px}.account-content{display:grid;gap:20px}.account-content form{max-width:700px}@media(max-width:800px){.shell{grid-template-columns:165px minmax(0,1fr)}aside{padding:16px 8px}.logo{font-size:18px}aside button{padding:12px 8px;font-size:12px}main{padding:20px 14px}.stats{grid-template-columns:1fr}.topbar{flex-wrap:wrap}.nav-label{margin-left:8px}}

.level-badge{display:inline-block;padding:5px 10px;border-radius:6px;font-weight:600;font-size:12px;background:#64748b22;color:#aebcd1}.vip-1{background:#4b9df422;color:#88beff}.vip-2{background:#9673ff22;color:#bda2ff}.vip-3{background:#e3b45822;color:#f5ce82}

.vip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.permission-item{padding:9px 0;border-bottom:1px solid var(--line);color:#b5c1d6}button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:1000px){.vip-grid{grid-template-columns:1fr}}

.page-list{display:flex;flex-direction:column;gap:22px}.table-actions{display:flex;gap:8px}.table-detail{max-width:340px;white-space:normal;overflow-wrap:anywhere;line-height:1.7;font-size:12px;margin-top:4px}.dashboard-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel)}.metric{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.metric strong{display:block;font-size:36px;margin-top:12px;color:#c4cdff}.list-panel{padding:24px 0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}.vip-list{display:flex;flex-direction:column}.account-content form{max-width:none}.tier-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 24px}.tier-form>h3,.tier-form>.tier-error{grid-column:1/-1}.tier-form label{margin-top:8px}.tier-form .actions{align-self:end}.tier-form .check{min-height:30px}.tier-form input[type=checkbox]{width:auto}@media(max-width:1000px){.dashboard-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.tier-form{grid-template-columns:1fr}}@media(max-width:600px){.dashboard-metrics{grid-template-columns:1fr}}

.tier-row{border-bottom:1px solid var(--line)}.tier-row summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 10px;cursor:pointer;flex-wrap:wrap}.tier-row summary span{color:var(--muted);font-size:12px}.tier-form{display:block;max-width:760px!important;padding:15px 10px 28px;border-bottom:0}.tier-form .check{display:inline-flex;margin-right:24px}.tier-form>.actions{margin-top:24px}

/* Shared light palette for inputs, dialogs and public pages. */
:root{color-scheme:light;--bg:#f5f7fc;--panel:#fff;--line:#e2e8f2;--muted:#6f7e96;--accent:#3448ff}
body{background:var(--bg);color:#14213d;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
button,.button{background:#fff;color:#34425d;border-color:#dce4ef}button:hover,.button:hover{background:#f1f4ff}.primary{background:#3448ff;color:white;border-color:#3448ff}.primary:hover{background:#283ce8;color:white}
input,select,textarea{background:#fff;color:#243450;border-color:#dce4ef}label{color:#53637e}dialog{background:#fff;color:#14213d;box-shadow:0 24px 80px #24365a22}dialog::backdrop{background:#23345d40}
.status{background:#e7f8ef;color:#168959}.error{color:#cc435e}.toast{background:#fff;color:#243450;box-shadow:0 8px 30px #25386415}.notice{background:#edf2ff;border-color:#dce5ff;color:#556c98}
.level-badge{background:#edf1f7;color:#53637e}.vip-1{background:#e7efff;color:#3262c8}.vip-2{background:#f0eaff;color:#8052d2}.vip-3{background:#fff1db;color:#a96b0d}

/* Shared brand assets preserve the supplied artwork and proportions. */
.site-wordmark{display:block;width:200px;height:auto;max-width:100%;object-fit:contain}