:root{
  --layui-primary:#16baaa;
  --layui-primary-dark:#009688;
  --layui-side:#20222a;
  --layui-side-hover:#2d3038;
  --layui-bg:#f2f2f2;
  --layui-card:#fff;
  --layui-line:#e6e6e6;
  --layui-line-soft:#f2f2f2;
  --layui-text:#333;
  --layui-muted:#999;
  --layui-danger:#ff5722;
  --layui-warning:#ffb800;
  --layui-success:#5fb878;
  --layui-radius:2px;
  --side-width:220px;
  --header-height:60px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:14px;color:var(--layui-text);background:var(--layui-bg)}
body{overflow-x:hidden}a{color:#01aaed;text-decoration:none}a:hover{color:#16baaa}button,input,textarea,select{font:inherit}button{cursor:pointer}h1,h2,h3,p{box-sizing:border-box}.layui-body{background:var(--layui-bg);color:var(--layui-text)}

/* Layout */
.layui-layout{min-height:100vh;width:100%}.layui-side{position:fixed;inset:0 auto 0 0;width:var(--side-width);padding:0;margin:0;background:var(--layui-side);z-index:1000;box-shadow:1px 0 0 rgba(0,0,0,.08);overflow-y:auto;overflow-x:hidden}.layui-logo{height:var(--header-height);padding:0 20px;display:flex;align-items:center;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px;font-weight:700;line-height:1.25}.layui-logo small{display:block;margin-top:3px;color:#8d8f96;font-size:11px;font-weight:400}.layui-nav{display:block;margin:0;padding:10px 0}.layui-nav a{position:relative;display:flex;align-items:center;width:100%;height:46px;padding:0 20px;color:#c2c2c2;border-left:3px solid transparent;background:transparent;white-space:nowrap;transition:.15s}.layui-nav a:hover{background:var(--layui-side-hover);color:#fff}.layui-nav a.active{background:var(--layui-primary-dark);color:#fff;border-left-color:#5fb878}.layui-header{position:fixed;top:0;left:var(--side-width);right:0;height:var(--header-height);padding:0 24px;background:#fff;border-bottom:1px solid var(--layui-line);display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:900;box-shadow:0 1px 2px rgba(0,0,0,.02)}.layui-main#app-main{display:block;min-height:100vh;width:calc(100% - var(--side-width));max-width:none;margin:0 0 0 var(--side-width);padding:calc(var(--header-height) + 24px) 24px 34px}.layui-mobile-menu{display:none}.layui-side-mask{display:none}.layui-footer-note{padding:12px 0 2px;color:#aaa;font-size:12px;text-align:center}.layui-flex{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.layui-header form{margin:0}

/* Standard page header */
.layui-panel-title,.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:0 0 18px}.layui-panel-title h1,.page-head h1{margin:0;font-size:24px;font-weight:500;line-height:1.4;color:#333}.layui-panel-title p,.page-head p{margin:5px 0 0;color:var(--layui-muted);line-height:1.7}.eyebrow{display:block;margin-bottom:5px;color:var(--layui-primary-dark);font-size:11px;letter-spacing:.14em}.hero{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 0 18px;padding:22px 24px;background:#fff;border:1px solid var(--layui-line);border-radius:var(--layui-radius);box-shadow:0 1px 2px rgba(0,0,0,.03)}.hero h1{margin:4px 0 7px;font-size:28px;font-weight:500;color:#333}.hero p{margin:0;color:#999;line-height:1.7}

/* Cards and grids */
.layui-card,.panel,.stat,.plan{background:var(--layui-card);border:1px solid var(--layui-line);border-radius:var(--layui-radius);box-shadow:0 1px 2px rgba(0,0,0,.03)}.layui-card{margin-bottom:18px}.layui-card-header{min-height:46px;padding:12px 16px;border-bottom:1px solid var(--layui-line-soft);display:flex;align-items:center;font-size:15px}.layui-card-body{padding:16px}.panel{padding:18px;margin-bottom:18px}.panel>h2{margin:0 0 15px;font-size:17px;font-weight:500}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.panel-head h2{margin:0 0 4px;font-size:17px;font-weight:500}.panel-head p{margin:0;color:#999;line-height:1.7}.stats,.layui-row{display:grid;gap:16px}.stats,.layui-col-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2,.layui-col-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.stat,.layui-stat{padding:18px}.stat span,.layui-stat span{font-size:13px;color:#999}.stat b,.layui-stat strong{display:block;margin-top:8px;color:#333;font-size:28px;font-weight:600}.cards{display:grid;gap:12px}.plans{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:18px}.plan{padding:18px}.plan>span{color:var(--layui-primary-dark);font-size:14px}.plan h2{margin:10px 0 2px;color:#333;font-size:28px}.plan>p{margin:0 0 16px;color:#999}.notice{padding:13px 15px;margin-bottom:18px;background:#f8f8f8;border:1px solid #eee;border-left:3px solid var(--layui-primary);color:#666;line-height:1.7}.empty,.layui-empty{padding:34px 18px;text-align:center;color:#aaa}

/* Forms */
.layui-form-item{margin-bottom:15px}.layui-form-label,label{color:#666}.layui-form-label{display:block;margin-bottom:7px}.layui-input,.layui-textarea,.layui-select,input,textarea,select{width:100%;max-width:100%;border:1px solid var(--layui-line);background:#fff;color:#333;border-radius:var(--layui-radius);outline:none;transition:border-color .15s,box-shadow .15s}.layui-input,input,select{height:38px;padding:0 10px}.layui-textarea,textarea{min-height:90px;padding:9px 10px;line-height:1.6;resize:vertical}.layui-input:focus,.layui-textarea:focus,.layui-select:focus,input:focus,textarea:focus,select:focus{border-color:#c2c2c2;box-shadow:0 0 0 2px rgba(22,186,170,.06)}label:not(.switch-row):not(.mini-switch):not(.layui-form-label){display:grid;gap:7px;margin-bottom:14px;font-size:13px}.layui-form-grid,.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}.settings-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.layui-form-grid .wide,.settings-grid .wide{grid-column:1/-1}.switch-row{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 11px;border:1px solid var(--layui-line);background:#fafafa;margin-bottom:14px}.switch-row input,.mini-switch input{width:16px;height:16px;min-height:0;margin:0}.inline-form{display:grid;grid-template-columns:minmax(180px,1fr) 130px 110px auto;gap:10px;align-items:center;padding:12px 0;border-top:1px solid #eee}.mini-switch{display:flex;align-items:center;gap:7px;margin:0}

/* Buttons */
.layui-btn,.button,.primary,.ghost,button.primary,button.ghost{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 18px;border:1px solid transparent;border-radius:var(--layui-radius);text-decoration:none;line-height:36px;white-space:nowrap;cursor:pointer}.layui-btn,.primary,button.primary{background:var(--layui-primary);border-color:var(--layui-primary);color:#fff}.layui-btn:hover,.primary:hover{background:#13a99a;color:#fff}.layui-btn-primary,.ghost,button.ghost{background:#fff;border-color:#c9c9c9;color:#555}.layui-btn-primary:hover,.ghost:hover{border-color:#16baaa;color:#16baaa}.layui-btn-danger{background:var(--layui-danger);border-color:var(--layui-danger);color:#fff}.layui-btn-sm{min-height:30px;padding:0 12px;line-height:28px;font-size:12px}.full{width:100%}.actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}

/* Tables */
.table-wrap,.layui-table-wrap{width:100%;overflow:auto;-webkit-overflow-scrolling:touch}.layui-table,table{width:100%;border-collapse:collapse;background:#fff}.layui-table{min-width:720px}.layui-table th,.layui-table td,table th,table td{padding:11px 12px;border:1px solid #eee;text-align:left;font-size:13px;vertical-align:middle}.layui-table th,table th{background:#f8f8f8;color:#666;font-weight:500}.layui-table tbody tr:hover,table tbody tr:hover{background:#fafafa}

/* QQ specific */
.qq-card,.qq-line{display:flex;align-items:center;gap:13px}.qq-card{padding:13px;border:1px solid #eee;background:#fff}.qq-card img,.qq-line img{width:46px;height:46px;border-radius:4px;background:#f5f5f5;object-fit:cover}.qq-card div,.qq-line div{display:grid;gap:3px;min-width:0}.qq-card b,.qq-line h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.qq-card span,.qq-line p{margin:0;color:#999;font-size:13px}.qq-card em,.qq-line em{margin-left:auto;font-style:normal}.qq-account{display:flex;flex-direction:column;gap:16px}.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;padding:12px 0;border-top:1px solid #eee;border-bottom:1px solid #eee;font-size:13px}.kv span{color:#999}.badge,.layui-badge{display:inline-flex;align-items:center;justify-content:center;min-height:22px;padding:2px 7px;border-radius:2px;background:var(--layui-primary);color:#fff;font-size:12px;font-style:normal}.badge.online,.badge.paid{background:var(--layui-success)}.badge.pending{background:var(--layui-warning);color:#fff}.badge.failed,.badge.expired{background:var(--layui-danger)}.badge.offline,.badge.gray{background:#999}.group-item{border-top:1px solid #eee}.group-item:first-child{border-top:0}.group-item summary{list-style:none;cursor:pointer;padding:15px 2px;display:flex;justify-content:space-between;align-items:center;gap:14px}.group-item summary::-webkit-details-marker{display:none}.group-item summary div{display:grid;gap:4px;min-width:0}.group-item summary b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-item summary span{color:#999;font-size:12px}.group-item form{padding:8px 0 4px}.command-demo{display:grid;grid-template-columns:110px 1fr;gap:10px 16px;align-items:center}.command-demo code{padding:7px 9px;border:1px solid #eee;background:#f8f8f8;color:#009688;border-radius:2px}.command-demo span,.muted{color:#999}.center{text-align:center}

/* Auth */
.layui-login-page{min-height:100vh;padding:24px;display:grid;place-items:center;background:linear-gradient(135deg,#f2f2f2 0%,#eef8f7 100%);color:#333}.layui-login-box{width:min(420px,100%);padding:28px 30px;background:#fff;border:1px solid #e6e6e6;border-radius:2px;box-shadow:0 8px 28px rgba(0,0,0,.06)}.layui-login-box:before{content:"";display:block;width:42px;height:4px;margin-bottom:20px;background:var(--layui-primary)}.layui-login-box h1{margin:0 0 7px;font-size:22px;font-weight:500}.layui-login-box .sub{margin-bottom:22px;color:#999;font-size:13px;line-height:1.7}.layui-footer-note a{color:#009688}

/* Loading + toast */
#global-loader{position:fixed;inset:0;z-index:99999;display:none;place-items:center;background:rgba(255,255,255,.68);backdrop-filter:blur(1px)}#global-loader.show{display:grid}.spinner{width:38px;height:38px;border:3px solid #ddd;border-top-color:var(--layui-primary);border-radius:50%;animation:layuiSpin .72s linear infinite}@keyframes layuiSpin{to{transform:rotate(360deg)}}#toast{position:fixed;right:20px;bottom:20px;z-index:100000;display:grid;gap:8px;max-width:min(360px,calc(100vw - 30px))}.toast{padding:11px 15px;background:#2f4056;color:#fff;border-radius:2px;box-shadow:0 5px 18px rgba(0,0,0,.18);line-height:1.5}.toast.ok{background:#16baaa}.toast.error{background:#ff5722}

/* Responsive */
@media(max-width:1280px){.plans{grid-template-columns:repeat(3,minmax(0,1fr))}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){
  :root{--header-height:56px}.layui-side{transform:translateX(-100%);transition:transform .2s ease;box-shadow:6px 0 24px rgba(0,0,0,.18)}.layui-side.open{transform:translateX(0)}.layui-side-mask{position:fixed;inset:0;z-index:950;background:rgba(0,0,0,.32)}.layui-side-mask.show{display:block}.layui-header{left:0;padding:0 14px}.layui-main#app-main{width:100%;margin-left:0;padding:calc(var(--header-height) + 16px) 14px 28px}.layui-mobile-menu{display:inline-flex}.stats,.layui-col-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2,.layui-col-2{grid-template-columns:1fr}.layui-form-grid,.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layui-form-grid .wide,.settings-grid .wide{grid-column:1/-1}
}
@media(max-width:640px){
  .layui-header{padding:0 10px}.layui-header>.layui-flex:first-child>span{font-size:13px}.layui-header>.layui-flex:last-child>span{display:none}.layui-main#app-main{padding-left:10px;padding-right:10px}.hero,.page-head,.layui-panel-title,.panel-head{align-items:flex-start;flex-direction:column}.hero{padding:18px}.hero h1{font-size:23px}.stats,.layui-col-4,.plans,.layui-form-grid,.settings-grid{grid-template-columns:1fr}.layui-form-grid .wide,.settings-grid .wide{grid-column:auto}.panel,.layui-card-body{padding:14px}.actions{justify-content:stretch}.actions>*{flex:1 1 calc(50% - 8px)}.inline-form{grid-template-columns:1fr}.command-demo{grid-template-columns:88px 1fr}.layui-login-page{padding:14px}.layui-login-box{padding:24px 20px}.layui-table{min-width:660px}.qq-card{align-items:flex-start}.qq-card em{margin-left:0}.qq-card{flex-wrap:wrap}.qq-card div{flex:1;min-width:160px}
}