:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--dark: #1e293b;--dark-2: #334155;--dark-3: #475569;--bg: #f1f5f9;--card-bg: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--sidebar-w: 240px;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-lg: 0 10px 30px rgba(0,0,0,.1);--sidebar-bg: #0f172a;--sidebar-text: #94a3b8;--sidebar-active: #6366f1}*{margin:0;padding:0;box-sizing:border-box}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;line-height:1.6}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;border-radius:20px;padding:40px;width:100%;max-width:420px;box-shadow:0 20px 60px #00000026}.auth-logo{text-align:center;margin-bottom:30px}.auth-logo h1{font-size:28px;font-weight:700;color:var(--primary);margin-bottom:6px}.auth-logo p{color:var(--text-muted);font-size:13px}.auth-tabs{display:flex;gap:0;margin-bottom:24px;border-bottom:2px solid var(--border)}.auth-tab{flex:1;padding:10px;text-align:center;cursor:pointer;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;background:none;border-left:none;border-right:none;border-top:none}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.form-group{margin-bottom:18px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:13px;color:var(--dark-2)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;transition:border-color .2s;outline:none;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;outline:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--border);color:var(--text)}.btn-secondary:hover{background:#cbd5e1}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--secondary);color:#fff}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:100;transition:transform .3s}.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-header h2{color:#fff;font-size:20px;font-weight:700}.sidebar-header p{font-size:11px;color:var(--sidebar-text);margin-top:2px}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 20px;color:var(--sidebar-text);text-decoration:none;font-size:14px;transition:all .2s;border-left:3px solid transparent}.sidebar-nav a:hover{background:#ffffff0d;color:#fff}.sidebar-nav a.active{background:#6366f126;color:#fff;border-left-color:var(--sidebar-active)}.sidebar-nav a .icon{width:20px;text-align:center;font-size:16px}.sidebar-nav .nav-section{padding:12px 20px 4px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#94a3b880;font-weight:600}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}.main-content{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}.topbar{background:#fff;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}.topbar-title{font-size:18px;font-weight:600}.topbar-right{display:flex;align-items:center;gap:16px}.balance-badge{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:6px 14px;border-radius:20px;font-weight:600;font-size:13px}.user-menu{display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px 8px;border-radius:8px;transition:background .2s}.user-menu:hover{background:var(--bg)}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}.user-info{font-size:13px}.user-info .name{font-weight:600}.user-info .role{font-size:11px;color:var(--text-muted)}.content-area{flex:1;padding:24px}.card{background:var(--card-bg);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}.stat-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary)}.stat-card.green:before{background:var(--secondary)}.stat-card.orange:before{background:var(--warning)}.stat-card.blue:before{background:var(--info)}.stat-label{font-size:13px;color:var(--text-muted);margin-bottom:8px}.stat-value{font-size:26px;font-weight:700;color:var(--text)}.stat-sub{font-size:12px;color:var(--text-muted);margin-top:4px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}table th{text-align:left;padding:10px 14px;background:var(--bg);color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}table td{padding:12px 14px;border-bottom:1px solid var(--border);white-space:nowrap}table tr:hover td{background:#f8fafc}.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600}.badge-success{background:#d1fae5;color:#065f46}.badge-danger{background:#fee2e2;color:#991b1b}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}.badge-muted{background:#f1f5f9;color:#64748b}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:none;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-overlay.active{display:flex}.modal{background:#fff;border-radius:var(--radius);padding:28px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:18px;font-weight:600}.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--text-muted);padding:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:10px}.toast{padding:12px 20px;border-radius:8px;color:#fff;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);animation:slideIn .3s ease;max-width:380px}.toast.success{background:var(--secondary)}.toast.error{background:var(--danger)}.toast.info{background:var(--info)}.toast.warning{background:var(--warning)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.chart-container{position:relative;height:260px;margin-top:10px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state .icon{font-size:48px;margin-bottom:12px}.empty-state .title{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--text)}.empty-state .desc{font-size:13px}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.pkg-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:2px solid var(--border);position:relative;transition:all .3s}.pkg-card:hover{border-color:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.pkg-card.featured{border-color:var(--primary);background:linear-gradient(135deg,#f5f3ff,#fff)}.pkg-card.featured:after{content:"推荐";position:absolute;top:-10px;right:16px;background:var(--primary);color:#fff;padding:3px 12px;border-radius:12px;font-size:11px;font-weight:600}.pkg-name{font-size:18px;font-weight:700;margin-bottom:4px}.pkg-desc{font-size:13px;color:var(--text-muted);margin-bottom:16px}.pkg-price{font-size:32px;font-weight:700;color:var(--primary)}.pkg-price small{font-size:14px;font-weight:400;color:var(--text-muted)}.pkg-features{list-style:none;margin:16px 0}.pkg-features li{padding:6px 0;font-size:13px;color:var(--dark-2);display:flex;align-items:center;gap:8px}.pkg-features li:before{content:"✓";color:var(--secondary);font-weight:700}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.grid-2,.grid-3{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.topbar{padding:12px 16px}.content-area{padding:16px}.mobile-menu-btn{display:block!important}}.mobile-menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--text)}.hero-card{background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:var(--radius);padding:28px 32px;color:#fff;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;box-shadow:0 8px 32px #6366f14d}.hero-left{flex:1}.hero-label{font-size:13px;opacity:.8;margin-bottom:6px}.hero-balance{font-size:36px;font-weight:700;margin-bottom:16px}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.hero-actions .btn{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3)}.hero-actions .btn:hover{background:#ffffff4d}.hero-actions .btn-primary{background:#fff;color:var(--primary);border:none}.hero-right{display:flex;gap:32px}.hero-stat{text-align:center}.hero-stat-val{font-size:22px;font-weight:700}.hero-stat-lbl{font-size:11px;opacity:.8;margin-top:2px}@media (max-width: 768px){.hero-card{flex-direction:column;gap:20px}.hero-right{gap:16px;flex-wrap:wrap;justify-content:center}}.quick-start{display:flex;flex-direction:column;gap:16px}.qs-step{display:flex;gap:14px;align-items:flex-start}.qs-num{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:13px;flex-shrink:0}.qs-content{flex:1}.qs-title{font-weight:600;font-size:14px;margin-bottom:4px}.qs-desc{font-size:13px;color:var(--text-muted);line-height:1.6}.qs-desc code{background:var(--bg);padding:2px 6px;border-radius:4px;font-size:12px;color:var(--primary)}.btn-xs{padding:4px 10px;font-size:11px}.activity-list{display:flex;flex-direction:column}.activity-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.activity-item:last-child{border-bottom:none}.activity-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.activity-icon.ok{background:#dcfce7;color:#16a34a}.activity-icon.err{background:#fee2e2;color:#dc2626}.activity-info{flex:1;min-width:0}.activity-title{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.activity-meta{font-size:11px;color:var(--text-muted)}.activity-cost{font-size:13px;font-weight:600;color:var(--warning);white-space:nowrap}.lang-tabs{display:flex;gap:4px}.lang-tabs button{padding:6px 14px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:12px;font-weight:500;cursor:pointer;color:var(--text-muted);transition:all .2s}.lang-tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.lang-tabs button:hover:not(.active){border-color:var(--primary);color:var(--primary)}.guide-section{padding:16px 0}.guide-info{margin-bottom:16px}.guide-badge{display:inline-block;padding:4px 12px;background:#ede9fe;color:var(--primary);border-radius:20px;font-size:12px;font-weight:600;margin-bottom:8px}.guide-info p{font-size:13px;color:var(--text-muted);margin-bottom:8px}.guide-meta{display:flex;align-items:center;gap:8px;font-size:13px}.guide-meta code{background:var(--bg);padding:4px 10px;border-radius:6px;font-size:12px;color:var(--primary)}.key-prefix{background:#f1f5f9;padding:3px 8px;border-radius:6px;font-size:12px;color:var(--dark-2)}.compat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.compat-item{padding:20px;border:1px solid var(--border);border-radius:var(--radius);text-align:center}.compat-icon{font-size:28px;margin-bottom:8px}.compat-title{font-weight:600;font-size:14px;margin-bottom:6px}.compat-desc{font-size:12px;color:var(--text-muted);line-height:1.8}.filter-bar{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.filter-bar button{padding:6px 16px;border:1.5px solid var(--border);background:#fff;border-radius:20px;font-size:13px;cursor:pointer;color:var(--text-muted);transition:all .2s}.filter-bar button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.filter-bar button:hover:not(.active){border-color:var(--primary);color:var(--primary)}.endpoint-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.endpoint-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .2s}.endpoint-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.endpoint-card.disabled{opacity:.5}.endpoint-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.endpoint-name{font-size:16px;font-weight:700}.endpoint-desc{font-size:13px;color:var(--text-muted);margin-bottom:12px;line-height:1.5}.endpoint-tags{display:flex;gap:6px;margin-bottom:12px}.tag{padding:2px 10px;background:var(--bg);border-radius:12px;font-size:11px;color:var(--text-muted)}.endpoint-price{display:flex;gap:16px;padding-top:12px;border-top:1px solid var(--border)}.price-item{display:flex;flex-direction:column;gap:2px}.price-label{font-size:11px;color:var(--text-muted)}.price-value{font-size:14px;font-weight:600;color:var(--primary)}.text-danger{color:var(--danger);font-weight:600}.code-block{background:#1e293b;color:#e2e8f0;padding:14px;border-radius:8px;font-family:SF Mono,Fira Code,monospace;font-size:13px;overflow-x:auto;position:relative}.copy-btn{position:absolute;top:8px;right:8px;background:#ffffff1a;border:none;color:#fff;padding:4px 10px;border-radius:4px;cursor:pointer;font-size:11px}.copy-btn:hover{background:#fff3}.auth-form{display:none}.auth-form.active{display:block}