:root{--bg:#0b1020;--card:#141b2d;--border:#243049;--text:#e8edf7;--muted:#8b9bb4;--primary:#6366f1;--primary-hover:#818cf8;--success:#22c55e;--danger:#ef4444;--sidebar-w:220px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* ========== 侧边栏布局系统 ========== */
.app-layout{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);min-width:var(--sidebar-w);
  background:#0a0f1a;border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;z-index:100;
  overflow-y:auto;
}
.sidebar-brand{
  padding:20px 20px 16px;
  font-weight:700;font-size:1.05rem;color:var(--text);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
  text-decoration:none;
}
.sidebar-brand svg{flex-shrink:0;color:var(--primary)}
.sidebar-nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:3px}
.sidebar-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:8px;
  color:var(--muted);text-decoration:none;font-size:.88rem;
  cursor:pointer;transition:all .15s;border:none;background:none;
  width:100%;text-align:left;font-family:inherit;
}
.sidebar-item:hover{background:rgba(99,102,241,.1);color:var(--text)}
.sidebar-item.active{background:rgba(99,102,241,.18);color:var(--primary);font-weight:600}
.sidebar-item svg{flex-shrink:0;width:20px;height:20px}
.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}
.sidebar-footer .btn{width:100%;justify-content:center}
.sidebar-badge{font-size:.68rem;padding:2px 8px;border-radius:999px;margin-left:auto;font-weight:400}
.sidebar-badge.danger{background:rgba(239,68,68,.15);color:var(--danger)}

.main-content{
  margin-left:var(--sidebar-w);flex:1;min-width:0;
  padding:24px 28px 40px;
}
.tab-pane{display:none}
.tab-pane.active{display:block}
.page-title{font-size:1.4rem;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.page-title svg{color:var(--primary)}

/* 移动端侧边栏切换 */
.sidebar-toggle{
  display:none;position:fixed;top:12px;left:12px;z-index:110;
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:8px 10px;color:var(--text);cursor:pointer;
}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .25s}
  .sidebar.open{transform:translateX(0)}
  .sidebar-toggle{display:flex;align-items:center;gap:6px;font-size:.85rem}
  .sidebar-overlay.open{display:block}
  .main-content{margin-left:0;padding:60px 16px 40px}
  .connect-fields{grid-template-columns:1fr}
  .admin-grid{grid-template-columns:1fr}
}

/* ========== 旧导航栏 (首页保留) ========== */
.navbar{background:rgba(11,16,32,.9);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(8px)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-weight:700;color:var(--text);text-decoration:none;font-size:1.1rem}
.nav-links{display:flex;gap:12px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none}

/* ========== 按钮 ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:8px;border:1px solid transparent;cursor:pointer;font-size:.9rem;text-decoration:none;font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.btn-primary{background:var(--primary);color:#fff;touch-action:manipulation}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:disabled{background:#4b5563;color:#9ca3af;cursor:not-allowed;touch-action:none}
.btn-outline{border-color:var(--border);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:12px 24px;font-size:1rem}
.btn-sm{padding:6px 12px;font-size:.8rem}
.btn-xs{padding:3px 8px;font-size:.72rem;border-radius:6px}
.select-model-btn{transition:all .15s}
.select-model-btn.selected{background:rgba(34,197,94,.15);border-color:var(--success);color:var(--success)}
.btn-block{width:100%;margin-top:8px}
.btn-danger{border-color:rgba(239,68,68,.4);color:var(--danger);background:transparent}
.btn-danger:hover{background:rgba(239,68,68,.12);border-color:var(--danger)}

/* ========== 首页 ========== */
.hero{padding:80px 0 60px;text-align:center;background:radial-gradient(circle at 50% 0%,#1e1b4b 0%,transparent 50%)}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(99,102,241,.2);color:var(--primary-hover);font-size:.85rem;margin-bottom:16px}
.hero h1{font-size:2.5rem;margin-bottom:16px}
.subtitle{color:var(--muted);max-width:600px;margin:0 auto 32px;font-size:1.1rem}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.section{padding:60px 0}
.section-dark{background:var(--card)}
.section h2{text-align:center;margin-bottom:8px}
.section-desc{text-align:center;color:var(--muted);margin-bottom:32px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px}
.feature .icon{font-size:2rem;margin-bottom:12px}
.code-block{background:#0a0e1a;border:1px solid var(--border);border-radius:8px;padding:16px;overflow-x:auto;margin-bottom:16px;font-size:.85rem}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.price-card h4{margin-bottom:8px}
.price{color:var(--primary-hover);font-size:.9rem}
.footer{padding:32px 0;text-align:center;color:var(--muted);border-top:1px solid var(--border)}
.beian-link{color:var(--muted);text-decoration:none;font-size:.82rem;transition:color .2s}
.beian-link:hover{color:var(--text)}
.footer-br{display:none}
@media(max-width:480px){.footer-br{display:block;margin-bottom:4px}}
.page{padding:32px 0 60px}

/* 底部 ICP 备案号（跟随内容，不覆盖侧边栏） */
.icp-footer{margin-top:16px;padding:12px 16px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:.82rem;color:var(--muted);flex-wrap:wrap;text-align:center;border-top:1px solid var(--border)}
.icp-footer a{color:var(--muted);text-decoration:none;font-size:.82rem;transition:color .2s}
.icp-footer a:hover{color:var(--primary-hover)}
.icp-footer span:last-of-type{color:rgba(255,255,255,.2)}
@media(max-width:768px){.icp-footer{font-size:.75rem;padding:6px 12px}}

/* 认证面板页面：footer 跟随内容，不固定 */
.auth-card + .icp-footer{position:static;margin-top:40px}

.page{padding:32px 0 60px}

/* ========== 认证 ========== */
.auth-card{max-width:420px;margin:40px auto}
.auth-card h2{text-align:center;margin-bottom:20px}
.auth-card label{display:block;margin-top:12px;margin-bottom:4px;color:var(--muted);font-size:.85rem}
.auth-card input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0a0e1a;color:var(--text)}
.input-group{display:flex;gap:8px;margin-top:4px}
.input-group input{flex:1;margin-top:0!important}
.input-group .btn{white-space:nowrap;flex-shrink:0;margin-top:0!important}
#send-code-btn.counting{background:var(--muted);cursor:not-allowed;opacity:.6}
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tab{flex:1;padding:8px;border:1px solid var(--border);background:transparent;color:var(--muted);border-radius:8px;cursor:pointer}
.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.msg{margin-top:12px;font-size:.85rem;color:var(--danger)}

/* ========== 通用组件 ========== */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-label{display:block;color:var(--muted);font-size:.8rem}
.stat-value{display:block;font-size:1.4rem;font-weight:700;margin-top:4px}
.section-card{margin-bottom:24px}
.section-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;gap:16px}
.section-desc{color:var(--muted);font-size:.85rem;margin-top:4px}
.guide-card{background:linear-gradient(135deg,rgba(99,102,241,.08),rgba(20,27,45,1));border-color:rgba(99,102,241,.3)}
.guide-steps{margin:12px 0 0 20px;color:var(--text)}
.guide-steps li{margin-bottom:8px}
.guide-note{color:var(--primary-hover);font-size:.9rem;margin-top:12px;padding:10px 12px;background:rgba(99,102,241,.1);border-radius:8px}
.stat-hint{display:block;font-size:.75rem;color:var(--muted);margin-top:4px}
.stat-email{font-size:1rem;word-break:break-all}
.stat-warning{border-color:var(--danger)}
.stat-warning .stat-value{color:var(--danger)}
.key-item{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#0a0e1a;border-radius:8px;margin-bottom:8px;gap:12px;flex-wrap:wrap}
.key-item div:first-child{flex:1;min-width:200px}
.key-item div:last-child{display:flex;gap:6px;flex-shrink:0}
.model-group details{margin-bottom:4px}
.model-group summary{cursor:pointer;font-weight:600;font-size:.85rem;color:var(--text);padding:4px 0;user-select:none}
.model-group summary:hover{color:var(--primary)}
.model-group-content label{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:6px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:.82rem;transition:all .15s}
.model-group-content label:hover{border-color:var(--primary);background:rgba(99,102,241,.08)}
.model-group-content input[type="checkbox"]{accent-color:var(--primary)}
.key-name{display:block;color:var(--muted);font-size:.75rem;margin-bottom:4px}
.key-value{font-family:monospace;font-size:.85rem;word-break:break-all}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.85rem}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:500}
.channel-item,.pricing-item{padding:12px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px;font-size:.85rem}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:200}
.modal-content{width:90%;max-width:480px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden}
#modal-body{overflow-y:auto;flex:1;min-height:0;padding-right:4px}
.modal-content label{display:block;margin-top:10px;margin-bottom:4px;color:var(--muted);font-size:.85rem}
.modal-content input,.modal-content textarea,.modal-content select{width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#0a0e1a;color:var(--text)}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.muted-text{color:var(--muted);font-size:.85rem}
.recharge-card{border-color:rgba(99,102,241,.3);background:linear-gradient(135deg,rgba(99,102,241,.06),var(--card))}
.redeem-row{display:flex;gap:12px;align-items:center}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:24px;margin-bottom:24px}

/* 接入配置卡片 */
.connect-info-card{border-color:rgba(34,197,94,.3);background:linear-gradient(135deg,rgba(34,197,94,.06),var(--card))}
.connect-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.connect-field{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;padding:14px 16px}
.field-label{font-weight:600;font-size:.85rem;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;display:block;margin-bottom:8px}
.field-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.field-value{background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:6px;padding:7px 12px;font-family:monospace;font-size:.82rem;color:var(--primary-hover);word-break:break-all;flex:1}
.field-hint{font-size:.78rem;color:var(--muted);margin-top:6px}

/* 扫码充值 - 固定金额按钮 */
.amount-btn{padding:12px 8px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--text);cursor:pointer;font-size:.95rem;font-weight:600;transition:all .2s}
.amount-btn:hover{border-color:var(--primary);background:rgba(99,102,241,.1)}
.amount-btn.selected{border-color:var(--primary);background:var(--primary);color:#fff;box-shadow:0 0 12px rgba(99,102,241,.3)}
.amount-btn:disabled{opacity:.4;cursor:not-allowed}


/* 模型定价系列筛选 chips */
.pricing-chip{padding:5px 13px;border-radius:20px;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--muted);cursor:pointer;font-size:.8rem;transition:all .2s;white-space:nowrap}
.pricing-chip:hover{border-color:var(--primary);color:var(--primary)}
.pricing-chip-active{border-color:var(--primary)!important;background:var(--primary)!important;color:#fff!important}

/* 工具接入教程 */
.tool-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.tool-tab{padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;transition:all .2s}
.tool-tab:hover{border-color:var(--primary);color:var(--primary)}
.tool-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.guide-steps-visual{display:flex;flex-direction:column;gap:12px}
.step-item{display:flex;gap:14px;align-items:flex-start;padding:14px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px}
.step-num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}
.step-body{flex:1}
.step-body strong{display:block;margin-bottom:4px;color:var(--text)}
.step-body p{font-size:.88rem;color:var(--muted);margin:0}
.step-body code{background:rgba(99,102,241,.15);color:var(--primary-hover);padding:1px 6px;border-radius:4px;font-size:.85em}
.step-body kbd{background:#1e2a42;border:1px solid var(--border);padding:1px 6px;border-radius:4px;font-size:.8em}

/* 扫码支付弹窗 */
.payment-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:1000}
.payment-content{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;width:90%;max-width:380px}

.api-key-modal-content{max-height:85vh;display:flex;flex-direction:column;overflow:hidden}
.api-key-modal-body{overflow-y:auto;flex:1;min-height:0;padding-right:8px}
.payment-content[max-width="520px"],.payment-content[style*="520px"]{max-width:520px}
.qr-placeholder{background:rgba(255,255,255,.04);border:2px dashed var(--border);border-radius:12px;padding:32px 24px;text-align:center;min-height:200px;display:block}
.qr-inner{text-align:center}
.quick-amounts{display:flex;gap:8px;flex-wrap:wrap}
.recharge-panel{margin-bottom:0}

/* 协议勾选框 */
.checkbox-label{display:flex;align-items:flex-start;gap:6px;margin-top:12px;cursor:pointer}
.checkbox-label input[type="checkbox"]{width:auto;margin-top:3px;accent-color:var(--primary);flex-shrink:0}
.checkbox-label span{font-size:.82rem;color:var(--muted);line-height:1.5}
.checkbox-label a{color:var(--primary);text-decoration:underline;font-size:.82rem}
.checkbox-label a:hover{color:var(--primary-hover)}

/* ========== 消息通知铃铛 ========== */
.notify-bell-wrap{position:relative;display:inline-block}
.notify-bell{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--border);background:transparent;
  color:var(--muted);cursor:pointer;transition:all .2s;
  position:relative;
}
.notify-bell:hover{background:rgba(99,102,241,.1);color:var(--text)}
.notify-bell svg{width:18px;height:18px}
.notify-badge{
  position:absolute;top:-4px;right:-4px;
  min-width:18px;height:18px;padding:0 4px;
  border-radius:999px;background:var(--danger);
  color:#fff;font-size:.65rem;font-weight:700;
  display:none;align-items:center;justify-content:center;
  line-height:1;
}
.notify-badge.show{display:flex}

/* ========== 浮动铃铛（右上角可拖拽） ========== */
.floating-bell{
  display:none;
  position:fixed;top:24px;right:24px;
  z-index:600;
  cursor:grab;
  user-select:none;
  transition:transform .15s;
}
.floating-bell:active{cursor:grabbing}
.floating-bell .notify-bell{
  width:44px;height:44px;
  background:var(--card);
  border:1.5px solid var(--border);
  border-radius:50%;
  box-shadow:0 4px 16px rgba(0,0,0,.35);
  transition:all .2s;
}
.floating-bell .notify-bell:hover{
  background:var(--card);
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:0 4px 20px rgba(99,102,241,.35);
  transform:scale(1.05);
}
.floating-bell .notify-bell svg{width:20px;height:20px}
.floating-bell .notify-badge{
  top:-6px;right:-6px;
  min-width:20px;height:20px;
  font-size:.7rem;
}

/* ========== 浮动消息面板（可拖拽） ========== */
.notify-float{
  display:none;
  position:fixed;top:80px;right:24px;
  width:340px;max-height:420px;
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.45);
  z-index:500;
  flex-direction:column;
  overflow:hidden;
  transition:opacity .2s,transform .2s;
  opacity:0;transform:translateY(-8px) scale(.97);
}
.notify-float.open{
  display:flex;
  opacity:1;transform:translateY(0) scale(1);
}
.notify-float-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  background:var(--card);
  cursor:grab;
  user-select:none;
  border-radius:14px 14px 0 0;
  flex-shrink:0;
}
.notify-float-header:active{cursor:grabbing}
.notify-float-title{
  font-weight:600;font-size:.9rem;
  display:flex;align-items:center;gap:6px;
}
.notify-float-title::before{
  content:'⠿';font-size:1rem;color:var(--muted);letter-spacing:2px;
}
.notify-float-close{
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:6px;
  border:none;background:transparent;
  color:var(--muted);cursor:pointer;
  transition:all .15s;
}
.notify-float-close:hover{background:rgba(239,68,68,.12);color:#ef4444}
.notify-float-body{
  overflow-y:auto;max-height:340px;
  scrollbar-width:thin;
}
.notify-empty{padding:40px 16px;text-align:center;color:var(--muted);font-size:.85rem}
.notify-item{
  padding:10px 16px;border-bottom:1px solid var(--border);
  cursor:pointer;transition:background .15s;
  font-size:.82rem;display:flex;flex-direction:column;gap:2px;
}
.notify-item:hover{background:rgba(99,102,241,.06)}
.notify-item.unread{background:rgba(99,102,241,.08);border-left:3px solid var(--primary)}
.notify-item .n-title{font-weight:500;color:var(--text)}
.notify-item .n-msg{color:var(--muted);font-size:.78rem}
.notify-item .n-time{color:var(--muted);font-size:.7rem;margin-top:2px}

/* sidebar-footer 中退出按钮布局 */
.sidebar-footer-content{
  display:flex;align-items:center;
}
.sidebar-footer-content .btn{flex:1}

/* ========== 浮空客服按钮 ========== */
.cs-float{
  position:fixed;bottom:40px;right:28px;z-index:500;
  display:flex;align-items:center;gap:8px;
  padding:12px 18px;border-radius:24px;
  border:none;background:var(--primary);color:#fff;
  cursor:pointer;font-family:inherit;font-size:.9rem;font-weight:500;
  box-shadow:0 4px 20px rgba(99,102,241,.4);
  transition:transform .2s,box-shadow .2s;
}
.cs-float:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(99,102,241,.5)}
.cs-float svg{flex-shrink:0}
.cs-float-label{white-space:nowrap}
.cs-popup{
  position:fixed;bottom:96px;right:28px;z-index:500;
  width:280px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.4);
  display:none;flex-direction:column;overflow:hidden;
}
.cs-popup.open{display:flex}
.cs-popup-header{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 16px;border-bottom:1px solid var(--border);
  font-weight:600;font-size:.92rem;
}
.cs-popup-close{
  display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:6px;
  border:none;background:transparent;color:var(--muted);
  cursor:pointer;font-size:1.2rem;transition:all .15s;
}
.cs-popup-close:hover{background:rgba(239,68,68,.12);color:#ef4444}
.cs-popup-body{padding:18px 16px;display:flex;flex-direction:column;gap:14px}
.cs-popup-desc{color:var(--muted);font-size:.85rem;margin:0}
.cs-qq{
  display:flex;align-items:center;gap:10px;
  background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.2);
  border-radius:10px;padding:12px 14px;
  cursor:pointer;transition:all .2s;
}
.cs-qq:hover{background:rgba(99,102,241,.14);border-color:var(--primary)}
.cs-qq-icon{
  background:var(--primary);color:#fff;font-size:.72rem;
  padding:3px 8px;border-radius:5px;font-weight:700;
}
.cs-qq-num{font-family:monospace;font-size:.95rem;color:var(--text);flex:1}
.cs-qq-copy{font-size:.75rem;color:var(--muted)}
@media(max-width:480px){
  .cs-float{padding:10px 14px;font-size:.82rem;right:16px;bottom:24px}
  .cs-float-label{display:none}
  .cs-popup{right:12px;bottom:80px;width:260px}
}

/* ========== 邀请有奖页面 ========== */
.invite-hero{
  background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(20,27,45,.6));
  border:1px solid rgba(99,102,241,.25);border-radius:14px;
  padding:28px 24px;margin-bottom:20px;
  text-align:center;
}
.invite-hero h3{font-size:1.2rem;margin-bottom:6px;color:var(--text)}
.invite-hero p{color:var(--muted);font-size:.88rem;margin-bottom:0}
.invite-bonus-tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:rgba(99,102,241,.2);color:var(--primary-hover);
  font-size:.78rem;font-weight:600;margin-bottom:10px;
}
.invite-stats-row{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:14px;margin-bottom:20px;
}
.invite-stat{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:18px 20px;text-align:center;
}
.invite-stat-label{display:block;color:var(--muted);font-size:.78rem;margin-bottom:4px}
.invite-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--text)}
.invite-stat-value.green{color:var(--success)}
.invite-field-row{
  display:flex;align-items:center;gap:10px;
  background:#0a0e1a;border:1px solid var(--border);border-radius:10px;
  padding:6px 6px 6px 14px;
}
.invite-field-row code{
  flex:1;font-size:.95rem;color:var(--primary-hover);
  font-family:monospace;letter-spacing:1px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.invite-field-row .btn{flex-shrink:0;white-space:nowrap}
.invite-field-label{display:block;color:var(--muted);font-size:.8rem;margin-bottom:6px}
.invite-field-block{margin-bottom:16px}
.invite-progress-wrap{display:flex;align-items:center;gap:12px;margin-top:4px}
.invite-progress-bar{
  flex:1;height:10px;background:var(--border);border-radius:5px;overflow:hidden;
}
.invite-progress-fill{
  height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-hover));
  border-radius:5px;transition:width .6s cubic-bezier(.4,0,.2,1);
}
.invite-progress-text{font-weight:700;font-size:.9rem;color:var(--text);min-width:48px;text-align:right}
.invite-status{font-size:.85rem;margin-top:6px}
.invite-status.done{color:var(--success)}
.invite-howto{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:16px}
.invite-howto-item{
  background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:18px;text-align:center;
}
.invite-howto-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:rgba(99,102,241,.15);color:var(--primary);
  font-weight:700;font-size:.9rem;margin-bottom:8px;
}
.invite-howto-item p{color:var(--muted);font-size:.82rem;margin:4px 0 0}

/* ========== 充值档位折扣 ========== */
.tier-btn {
  position: relative;
  padding: 8px 12px !important;
  font-size: .9rem !important;
  min-width: 80px;
  text-align: center;
}
.tier-discount-badge {
  position: absolute;
  top: -6px;
  right: -4px;
  background: #ef4444;
  color: #fff;
  font-size: .65rem;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
}
.tier-save-badge {
  display: block;
  font-size: .7rem;
  color: var(--success);
  margin-top: 2px;
  font-weight: 500;
}
.amount-btn.selected {
  border-color: var(--primary) !important;
  background: rgba(99,102,241,.15) !important;
  color: var(--primary) !important;
}

/* ========== 订阅系统 ========== */
.sub-plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: border-color .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.sub-plan-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.sub-tag {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  color: #fff;
  font-size: .7rem;
  padding: 2px 10px;
  border-radius: 0 0 0 8px;
  font-weight: 600;
}
.sub-plan-type {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.sub-plan-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.sub-plan-desc {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 10px;
  min-height: 2em;
}
.sub-plan-allowance {
  font-size: .85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}
.sub-plan-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.sub-status-badge {
  display: inline-block;
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.sub-status-active {
  background: rgba(34,197,94,.15);
  color: var(--success);
  border: 1px solid rgba(34,197,94,.3);
}
.sub-status-expired {
  background: rgba(139,155,180,.15);
  color: var(--muted);
  border: 1px solid rgba(139,155,180,.3);
}
.sub-status-cancelled {
  background: rgba(239,68,68,.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.3);
}

/* ========== 订阅状态展示（截图样式） ========== */
.sub-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}
.sub-title {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sub-active-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-left: 6px;
}
.sub-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sub-action-btn {
  font-size: .85rem;
  color: var(--text);
  background: rgba(99,102,241,.1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  cursor: pointer;
}
.sub-action-icon {
  font-size: 1.1rem;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}
.sub-action-icon:hover {
  color: var(--text);
  background: rgba(255,255,255,.05);
}
.sub-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 8px;
}
.sub-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}
.sub-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.sub-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width .4s ease;
}

/* ====== AI 创作工坊 ====== */

.studio-quota-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.studio-quota-stat {
  flex: 1;
  min-width: 100px;
}
.sq-label {
  display: block;
  font-size: .75rem;
  color: var(--muted);
  margin-bottom: 2px;
}
.sq-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
#sq-checkin-btn {
  white-space: nowrap;
}

.studio-template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.studio-template-card {
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  gap: 10px;
  align-items: center;
}
.studio-template-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99,102,241,.2);
  transform: translateY(-1px);
}
.stc-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}
.stc-info { min-width: 0; }
.stc-name {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stc-meta {
  font-size: .75rem;
  color: var(--muted);
  margin-top: 2px;
}

.studio-input-card { margin-top: 0; }
.studio-field {
  margin-bottom: 12px;
}
.studio-field label {
  display: block;
  margin-bottom: 4px;
  font-size: .85rem;
  color: var(--muted);
}
.studio-field input, .studio-field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .9rem;
  box-sizing: border-box;
}

.studio-result-body {
  line-height: 1.8;
  font-size: .92rem;
  white-space: pre-wrap;
  padding: 12px;
  background: var(--bg);
  border-radius: 8px;
  max-height: 500px;
  overflow-y: auto;
}
.studio-result-hashtags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.studio-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(99,102,241,.15);
  color: var(--primary);
  border-radius: 14px;
  font-size: .8rem;
}

.studio-history-item {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: .15s;
}
.studio-history-item:hover {
  border-color: var(--primary);
}
.shi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.shi-platform { font-size: .8rem; color: var(--primary); font-weight: 600; }
.shi-time { font-size: .75rem; color: var(--muted); }
.shi-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.shi-preview {
  font-size: .8rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.shi-footer {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: .75rem;
  color: var(--muted);
}

/* ====== 创作工坊 v2 新增样式 ====== */

/* 统计卡片行 */
.studio-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.studio-stat-card {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
  transition: transform .15s;
}
.studio-stat-card:hover { transform: translateY(-2px); }
.ssc-icon { font-size: 1.3rem; }
.ssc-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin: 2px 0;
}
.ssc-label {
  font-size: .72rem;
  color: var(--muted);
}
@media (max-width: 640px) {
  .studio-stats-row { grid-template-columns: repeat(2, 1fr); }
}

/* 模板卡片描述 */
.stc-desc {
  font-size: .72rem;
  color: var(--muted);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 进度条动画 */
.studio-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}
.studio-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #a78bfa, var(--primary));
  background-size: 200% 100%;
  border-radius: 2px;
  animation: studioProgress 1.5s ease-in-out infinite;
}
@keyframes studioProgress {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* AI 润色下拉菜单 */
.studio-polish-dropdown {
  position: relative;
  display: inline-block;
}
.studio-polish-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  z-index: 100;
  min-width: 160px;
  padding: 4px 0;
}
.studio-polish-menu.show { display: block; }
.studio-polish-menu > div {
  padding: 8px 14px;
  font-size: .85rem;
  cursor: pointer;
  color: var(--text);
  transition: background .12s;
}
.studio-polish-menu > div:hover {
  background: var(--bg);
  color: var(--primary);
}

/* 话题推荐列表 */
#studio-suggest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.studio-suggest-chip {
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: .8rem;
  cursor: pointer;
  color: var(--text);
  transition: .15s;
}
.studio-suggest-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99,102,241,.08);
}
.studio-suggest-chip .ssc-tag {
  font-size: .68rem;
  color: var(--muted);
  margin-left: 4px;
}

/* 历史列表中的收藏星标 */
.shi-fav {
  font-size: .85rem;
  cursor: pointer;
  color: var(--muted);
  transition: .15s;
}
.shi-fav.active { color: #f59e0b; }

/* 详情弹窗中的标签 */
.studio-detail-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(99,102,241,.15);
  color: var(--primary);
  border-radius: 14px;
  font-size: .8rem;
}

/* 编辑模式 textarea */
.studio-edit-textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .9rem;
  line-height: 1.8;
  resize: vertical;
  font-family: inherit;
}

/* 润色中提示 */
.studio-polishing {
  opacity: .6;
  pointer-events: none;
}

/* ===== 试运行徽标（通用） ===== */
.beta-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: .65rem;
  font-weight: 600;
  vertical-align: middle;
  margin-left: 4px;
  line-height: 1.5;
  background: linear-gradient(135deg, rgba(251,146,60,.18), rgba(236,72,153,.18));
  border: 1px solid rgba(251,146,60,.4);
  color: #fb923c;
  letter-spacing: .02em;
  white-space: nowrap;
}

/* ===== 创作工坊试运行通知条 ===== */
.studio-beta-notice {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(251,146,60,.08), rgba(236,72,153,.06));
  border: 1px solid rgba(251,146,60,.25);
  position: relative;
  overflow: hidden;
}
.studio-beta-notice::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fb923c' fill-opacity='0.04'%3E%3Cpath d='M20 0L24 16H40L28 26L32 40L20 32L8 40L12 26L0 16H16Z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  opacity: .5;
}
.studio-beta-notice .sbn-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  position: relative;
}
.studio-beta-notice .sbn-content {
  flex: 1;
  min-width: 0;
  position: relative;
}
.studio-beta-notice .sbn-content strong {
  display: block;
  font-size: .9rem;
  color: var(--text);
  margin-bottom: 2px;
}
.studio-beta-notice .sbn-content p {
  margin: 0;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.5;
}
.studio-beta-notice .btn {
  flex-shrink: 0;
  position: relative;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .studio-beta-notice { flex-wrap: wrap; }
  .studio-beta-notice .btn { width: 100%; }
}

/* ===== 创作工坊反馈建议卡片 ===== */
.studio-feedback-card {
  margin-top: 32px;
  padding: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,.04), rgba(236,72,153,.04));
  border: 1px solid rgba(99,102,241,.18);
  overflow: hidden;
  position: relative;
}
.studio-feedback-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #ec4899, #fb923c);
}
.studio-feedback-card .sfc-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px 14px;
  border-bottom: 1px solid var(--border);
}
.studio-feedback-card .sfc-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}
.studio-feedback-card .sfc-title h4 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 700;
}
.studio-feedback-card .sfc-title p {
  margin: 3px 0 0;
  font-size: .8rem;
  color: var(--muted);
}
.studio-feedback-card .sfc-body {
  padding: 18px 22px 22px;
}
.studio-feedback-card .sfc-field {
  margin-bottom: 16px;
}
.studio-feedback-card .sfc-field > label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.studio-feedback-card .sfc-type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.studio-feedback-card .sfc-type-btn {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .82rem;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.studio-feedback-card .sfc-type-btn:hover {
  border-color: rgba(99,102,241,.4);
  color: var(--text);
}
.studio-feedback-card .sfc-type-btn.active {
  background: linear-gradient(135deg, rgba(99,102,241,.15), rgba(236,72,153,.15));
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}
.studio-feedback-card .sfc-meta {
  margin-top: 6px;
  text-align: right;
  font-size: .72rem;
  color: var(--muted);
}
.studio-feedback-card .sfc-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.studio-feedback-card .sfc-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.studio-feedback-card .sfc-note {
  margin: 14px 0 0;
  padding: 10px 12px;
  background: rgba(99,102,241,.05);
  border-radius: 8px;
  font-size: .76rem;
  color: var(--muted);
  line-height: 1.6;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.studio-feedback-card .sfc-note strong {
  color: var(--primary);
}
.studio-feedback-card .sfc-success {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: #4ade80;
  animation: sfcFadeIn .3s ease;
}
.studio-feedback-card .sfc-success-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}
@keyframes sfcFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 640px) {
  .studio-feedback-card .sfc-header { padding: 16px 16px 12px; }
  .studio-feedback-card .sfc-body { padding: 14px 16px 18px; }
  .studio-feedback-card .sfc-actions .btn { flex: 1; justify-content: center; }
}