:root{
  --bg:#f4f5f9;
  --card:#ffffff;
  --sidebar:#16182a;
  --sidebar-hover:#232640;
  --text:#1a1d2e;
  --text-2:#6b7089;
  --text-3:#9aa0b8;
  --border:#e8eaf0;
  --primary:#6366f1;
  --primary-soft:#eef0ff;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --cyan:#22d3ee;
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
.hidden{display:none!important;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;
  -webkit-font-smoothing:antialiased;
}
::selection{background:#c7c9fb;}

/* ============ 布局 ============ */
.app{display:flex;min-height:100vh;}

/* ---- 侧边栏 ---- */
.sidebar{
  width:238px;flex-shrink:0;background:var(--sidebar);
  display:flex;flex-direction:column;height:100vh;position:sticky;top:0;
}
.brand{display:flex;align-items:center;gap:11px;padding:22px 20px 20px;}
.brand-logo{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,#6366f1,#a855f7);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#fff;font-size:15px;letter-spacing:-.5px;
  box-shadow:0 4px 14px rgba(99,102,241,.4);
}
.brand-text b{display:block;color:#fff;font-size:14px;font-weight:600;letter-spacing:.2px;}
.brand-text span{display:block;color:#6f7591;font-size:11px;margin-top:2px;letter-spacing:.3px;}

.nav-label{padding:14px 22px 8px;font-size:11px;color:#5b6079;letter-spacing:1px;font-weight:600;}
.nav{flex:1;overflow-y:auto;padding-bottom:12px;}
.nav::-webkit-scrollbar{width:0;}
.nav-item{
  display:flex;align-items:center;gap:11px;
  padding:10px 14px;margin:3px 10px;border-radius:9px;
  color:#8b91ad;cursor:pointer;font-size:13.5px;
  transition:background .16s,color .16s;user-select:none;
}
.nav-item svg{width:18px;height:18px;stroke:currentColor;fill:none;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.nav-item:hover{background:var(--sidebar-hover);color:#c9cde0;}
.nav-item.active{background:linear-gradient(90deg,#6366f1,#7c74f5);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,.35);}
.nav-item .pill{margin-left:auto;background:rgba(255,255,255,.18);font-size:11px;padding:1px 7px;border-radius:20px;font-weight:600;}
.nav-item.active .pill{background:rgba(255,255,255,.25);}
.sidebar-foot{border-top:1px solid #232640;padding:14px 16px;display:flex;align-items:center;gap:10px;}
.sidebar-foot .avatar{
  width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#22d3ee,#6366f1);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:600;
}
.sidebar-foot .who{min-width:0;}
.sidebar-foot .who b{display:block;color:#d5d9e8;font-size:12.5px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sidebar-foot .who span{display:block;color:#6f7591;font-size:11px;margin-top:1px;}

/* ---- 主区 ---- */
.main{flex:1;min-width:0;display:flex;flex-direction:column;}

.topbar{
  height:64px;background:#fff;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:16px;padding:0 24px;
  position:sticky;top:0;z-index:20;
}
.search{display:flex;align-items:center;gap:8px;background:#f4f5f9;border-radius:10px;padding:9px 14px;width:280px;transition:box-shadow .18s,background .18s;}
.search:focus-within{background:#fff;box-shadow:0 0 0 2px var(--primary-soft),0 0 0 1px var(--primary);}
.search svg{width:15px;height:15px;stroke:var(--text-3);fill:none;stroke-width:2;flex-shrink:0;}
.search input{border:none;background:transparent;outline:none;font-size:13px;width:100%;font-family:inherit;color:var(--text);}
.search input::placeholder{color:var(--text-3);}
.spacer{flex:1;}

.seg{display:flex;background:#f2f3f8;border-radius:10px;padding:3px;gap:2px;}
.seg button{border:none;background:transparent;padding:7px 15px;border-radius:8px;font-size:13px;color:var(--text-2);cursor:pointer;font-family:inherit;font-weight:500;transition:.15s;white-space:nowrap;}
.seg button:hover{color:var(--text);}
.seg button.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(16,24,40,.1);}
.seg.pager{margin-top:14px;justify-content:center;}

.me{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#6366f1,#a855f7);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;}

/* ---- 内容 ---- */
.content{padding:24px 26px 48px;flex:1;}
.view{display:none;}
.view.active{display:block;animation:fade .22s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.view > * + *{margin-top:18px;}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.page-head h1{font-size:22px;font-weight:650;letter-spacing:-.4px;}
.page-head p{color:var(--text-2);font-size:13px;margin-top:6px;}
.head-actions{display:flex;gap:10px;flex-wrap:wrap;}

.btn{border:none;font-family:inherit;font-size:13px;font-weight:500;padding:9px 16px;border-radius:9px;cursor:pointer;transition:.16s;display:inline-flex;align-items:center;gap:6px;line-height:1.4;}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 3px 10px rgba(99,102,241,.3);}
.btn.primary:hover{background:#5457e5;box-shadow:0 5px 16px rgba(99,102,241,.4);}
.btn.ghost{background:#fff;color:var(--text-2);border:1px solid var(--border);}
.btn.ghost:hover{background:#f8f9fc;color:var(--text);}
.btn.danger{background:#fff;color:var(--danger);border:1px solid #f3caca;}
.btn.danger:hover{background:#fdecec;}
.btn.sm{padding:5px 11px;font-size:12.5px;border-radius:8px;}
.btn:disabled{opacity:.55;cursor:not-allowed;}

/* ---- 卡片 ---- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 2px rgba(16,24,40,.04);}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
.card-head h3{font-size:14.5px;font-weight:600;}
.card-head .sub{font-size:12px;color:var(--text-3);}
.card-body{padding:20px;}
.link{color:var(--primary);font-size:12.5px;cursor:pointer;font-weight:500;background:none;border:none;font-family:inherit;}
.link:hover{text-decoration:underline;}
.muted{color:var(--text-3);font-size:12px;}
.error{color:var(--danger);font-size:12.5px;}

/* ---- 统计卡 ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:0 1px 2px rgba(16,24,40,.04);position:relative;overflow:hidden;transition:.2s;}
.stat:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(16,24,40,.08);}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent,var(--primary));opacity:.85;}
.stat-label{font-size:12.5px;color:var(--text-2);display:flex;align-items:center;justify-content:space-between;}
.stat-value{font-size:27px;font-weight:650;letter-spacing:-.8px;margin:11px 0 7px;font-variant-numeric:tabular-nums;}
.stat-delta{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:5px;}
.stat-delta b{font-weight:600;}

/* ---- 栅格 ---- */
.grid-2{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;}
.grid-2.even{grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}

/* ---- 环形图 ---- */
.donut-wrap{position:relative;width:158px;height:158px;flex-shrink:0;}
.donut{width:100%;height:100%;border-radius:50%;background:conic-gradient(#6366f1 0 62%,#22d3ee 62% 100%);}
.donut::after{content:"";position:absolute;inset:25px;background:#fff;border-radius:50%;}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2;}
.donut-center b{font-size:22px;font-weight:650;letter-spacing:-.6px;font-variant-numeric:tabular-nums;}
.donut-center span{font-size:11.5px;color:var(--text-3);margin-top:2px;}
.donut-flex{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.legend{display:flex;flex-direction:column;gap:14px;flex:1;min-width:150px;}
.legend-row{display:flex;align-items:center;gap:10px;font-size:13px;}
.legend-dot{width:9px;height:9px;border-radius:3px;flex-shrink:0;}
.legend-row .val{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums;}
.legend-row .nm{color:var(--text-2);}

/* ---- 时间线 ---- */
.timeline{list-style:none;padding:6px 20px 18px;}
.timeline li{display:flex;gap:13px;padding:12px 0;position:relative;}
.timeline li + li{border-top:1px solid #f2f3f7;}
.tl-dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0;background:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
.tl-dot.g{background:var(--success);box-shadow:0 0 0 3px #e6f7f0;}
.tl-dot.o{background:var(--warning);box-shadow:0 0 0 3px #fdf3e3;}
.tl-dot.r{background:var(--danger);box-shadow:0 0 0 3px #fdecec;}
.tl-body{flex:1;font-size:13.3px;line-height:1.5;min-width:0;}
.tl-body .t{color:var(--text-3);font-size:12px;margin-top:3px;}
.tl-body b{font-weight:600;}

/* ---- 徽章 ---- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:500;white-space:nowrap;}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;}
.badge.green{background:#e8f8f1;color:#0f9d6e;}
.badge.orange{background:#fef4e6;color:#c77d09;}
.badge.red{background:#fdecec;color:#d63b3b;}
.badge.gray{background:#f0f1f6;color:#6b7089;}
.badge.blue{background:#eef0ff;color:#5b5fd6;}
.badge.plain::before{display:none;}

/* ---- 表格 ---- */
.table-wrap{overflow-x:auto;}
.table-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:14px;}
table{width:100%;border-collapse:collapse;min-width:640px;}
th{text-align:left;font-size:11.5px;font-weight:600;color:var(--text-3);padding:12px 18px;border-bottom:1px solid var(--border);letter-spacing:.5px;white-space:nowrap;background:#fbfcfe;}
td{padding:12px 18px;border-bottom:1px solid #f2f3f7;font-size:13.3px;vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .13s;}
tbody tr:hover{background:#fafbff;}
.cell-user{display:flex;align-items:center;gap:10px;}
.cell-user .av{width:30px;height:30px;border-radius:9px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:600;color:#fff;}
.cell-user b{font-weight:500;font-size:13.3px;display:block;}
.cell-user span{font-size:11.5px;color:var(--text-3);}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;}

/* ---- 内联控件 ---- */
.inline-select{border:1px solid var(--border);background:#fff;border-radius:8px;font-size:12.5px;color:var(--text);padding:5px 8px;font-family:inherit;cursor:pointer;max-width:120px;}
.inline-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);}
.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.form-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.form-row input[type=text],.form-row input[type=password],.form-row input[type=number],.form-row select{
  border:1px solid var(--border);background:#fff;border-radius:9px;font-size:13px;color:var(--text);
  padding:8px 12px;font-family:inherit;outline:none;transition:border .15s,box-shadow .15s;
}
.form-row input:focus,.form-row select:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);}
.form-row input[type=number]{width:90px;}

/* ---- 平台卡片 ---- */
.platform-card{padding:0;overflow:hidden;}
.pc-top{padding:20px;display:flex;gap:14px;align-items:flex-start;border-bottom:1px solid var(--border);}
.pc-icon{width:46px;height:46px;border-radius:13px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;letter-spacing:-.5px;}
.pc-icon.muse{background:linear-gradient(135deg,#6366f1,#a855f7);box-shadow:0 6px 16px rgba(99,102,241,.32);}
.pc-icon.score{background:linear-gradient(135deg,#06b6d4,#22d3ee);box-shadow:0 6px 16px rgba(34,211,238,.32);}
.pc-name{font-size:15px;font-weight:600;display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
.pc-desc{font-size:12.5px;color:var(--text-2);margin-top:5px;line-height:1.5;}
.pc-body{padding:16px 20px 20px;}
.pc-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;font-size:13px;gap:16px;}
.pc-row .k{color:var(--text-2);}
.pc-row .v{font-weight:500;font-variant-numeric:tabular-nums;}
.scope-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;padding-top:14px;border-top:1px dashed var(--border);}
.tag{font-size:11.5px;padding:4px 10px;border-radius:7px;background:var(--primary-soft);color:#5b5fd6;font-weight:500;}
.tag.cyan{background:#e4f9fd;color:#0891a8;}
.tag.gray{background:#f2f3f8;color:var(--text-2);}

/* ---- 套餐卡 / 规则卡 ---- */
.plan{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;position:relative;transition:.2s;box-shadow:0 1px 2px rgba(16,24,40,.04);}
.plan:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(16,24,40,.09);}
.plan.featured{border-color:#c7c9fb;box-shadow:0 8px 24px rgba(99,102,241,.13);}
.plan-badge{position:absolute;top:-10px;right:18px;background:linear-gradient(90deg,#6366f1,#a855f7);color:#fff;font-size:11px;font-weight:600;padding:4px 11px;border-radius:20px;box-shadow:0 4px 12px rgba(99,102,241,.35);}
.plan h4{font-size:14.5px;font-weight:600;}
.plan .price{font-size:27px;font-weight:650;letter-spacing:-1px;margin:14px 0 2px;font-variant-numeric:tabular-nums;}
.plan .price small{font-size:13px;font-weight:400;color:var(--text-3);letter-spacing:0;}
.plan .price-sub{font-size:12px;color:var(--text-3);}
.plan ul{list-style:none;margin:16px 0 18px;display:flex;flex-direction:column;gap:10px;}
.plan li{font-size:13px;color:var(--text-2);display:flex;gap:9px;align-items:flex-start;line-height:1.45;}
.plan li svg{width:15px;height:15px;stroke:var(--success);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:2px;}
.plan .btn{width:100%;justify-content:center;}

/* ---- 表单（登录/通用） ---- */
label{display:block;font-size:12.5px;color:var(--text-2);margin:14px 0 6px;font-weight:500;}
input[type=text],input[type=password],input[type=number],select{
  border:1px solid var(--border);background:#fff;border-radius:9px;font-size:13.5px;color:var(--text);
  padding:10px 12px;font-family:inherit;outline:none;transition:border .15s,box-shadow .15s;
}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);}
.login-card input[type=text],.login-card input[type=password]{width:100%;}
.form-row select{max-width:240px;}

/* ---- 登录 ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#16182a 0%,#1e2140 55%,#232640 100%);padding:24px;}
.login-card{width:100%;max-width:380px;background:#fff;border-radius:18px;padding:34px 32px;box-shadow:0 24px 60px rgba(0,0,0,.35);}
.login-brand{padding:0;margin-bottom:8px;}
.login-brand .brand-text b{color:var(--text);}
.login-brand .brand-text span{color:var(--text-3);}
.login-card h1{font-size:21px;font-weight:650;margin:10px 0 6px;letter-spacing:-.4px;}
.login-card .muted{margin-bottom:6px;}
.login-submit{width:100%;justify-content:center;margin-top:18px;padding:11px 16px;}

/* ---- 空态 / 加载 ---- */
.empty{padding:28px 20px;text-align:center;color:var(--text-3);font-size:13px;}
.loading{padding:40px 20px;text-align:center;color:var(--text-3);font-size:13px;}
.spin{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:rot .7s linear infinite;vertical-align:-3px;margin-right:8px;}
@keyframes rot{to{transform:rotate(360deg);}}

/* ---- 提示 ---- */
#notice{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);
  background:#1a1d2e;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;
  box-shadow:0 8px 24px rgba(16,24,40,.28);opacity:0;pointer-events:none;transition:opacity .2s;z-index:100;max-width:80vw;
}
#notice.show{opacity:1;}
#notice.error{background:var(--danger);}

/* ---- 响应式 ---- */
@media (max-width:1080px){.grid-2,.grid-2.even{grid-template-columns:1fr;}}
@media (max-width:820px){
  .sidebar{display:none;}
  .search{width:auto;flex:1;}
  .content{padding:18px 16px 40px;}
  .topbar{padding:0 16px;gap:10px;}
  .seg button{padding:7px 10px;font-size:12px;}
}
.ticket-summary{max-width:360px;margin-top:5px;overflow:hidden;color:var(--muted);font-size:12px;font-weight:400;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}
.ticket-open{display:grid;max-width:360px;padding:0;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer;gap:5px}.ticket-open span{overflow:hidden;color:var(--text-2);font-size:12px;font-weight:400;text-overflow:ellipsis;white-space:nowrap}.ticket-open:hover b{color:var(--primary)}.ticket-modal{position:fixed;z-index:2000;display:grid;padding:24px;place-items:center;background:rgb(15 23 42 / 58%);inset:0}.ticket-modal>section{display:flex;width:min(720px,100%);max-height:calc(100vh - 48px);overflow:hidden;border:1px solid var(--border);border-radius:14px;background:#fff;box-shadow:0 24px 80px rgb(0 0 0 / 24%);color:var(--text);flex-direction:column}.ticket-modal header{display:flex;padding:20px 22px;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--border);background:#fff}.ticket-modal header small{color:var(--text-2)}.ticket-modal h2{margin:5px 0 0}.ticket-close{width:40px;height:40px;border:0;border-radius:50%;background:var(--bg);color:var(--text);font-size:24px;cursor:pointer}.support-conversation{display:grid;padding:22px;overflow:auto;background:#fff;gap:14px}.support-message{max-width:82%;padding:13px 15px;border-radius:10px;background:var(--bg)}.support-message.staff{justify-self:end;background:#eef2ff}.support-message b{font-size:12px;color:var(--text-2)}.support-message p{margin:7px 0 0;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.support-images{display:flex;margin-top:10px;flex-wrap:wrap;gap:8px}.support-images a{display:block;overflow:hidden;border-radius:7px}.support-images img{display:block;width:120px;height:90px;object-fit:cover;background:#e5e7eb}.support-reply{padding:18px 22px;border-top:1px solid var(--border);background:#fff}.support-reply label{display:block;margin-bottom:8px;font-weight:650}.support-reply textarea{box-sizing:border-box;width:100%;min-height:96px;padding:12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);resize:vertical;font:inherit}.support-reply>div{display:flex;margin-top:10px;align-items:center;justify-content:space-between}.support-reply small,.ticket-closed{color:var(--text-2)}.ticket-closed{margin:0;padding:18px;text-align:center;border-top:1px solid var(--border);background:#fff}