:root{--color-primary:#2563eb;--color-primary-dark:#1e40af;--color-primary-light:#3b82f6;--color-primary-bg:#eff6ff;--color-dark:#0f172a;--color-dark-secondary:#1e293b;--color-text:#1e293b;--color-text-light:#64748b;--color-text-muted:#94a3b8;--color-white:#ffffff;--color-bg:#ffffff;--color-bg-alt:#f8fafc;--color-bg-section:#f1f5f9;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-success:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--color-info:#06b6d4;--font-heading:'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;--font-body:'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:'JetBrains Mono', 'Fira Code', monospace;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);--shadow-lg:0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);--shadow-xl:0 20px 40px -5px rgba(0, 0, 0, 0.1);--shadow-card:0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);--transition-fast:all 0.15s ease;--transition-slow:all 0.5s cubic-bezier(0.4, 0, 0.2, 1);--max-width:1200px;--header-height:72px}[v-cloak]{display:none}*,
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a:hover{background:#fef2f2;color:var(--color-danger)}.member-main{flex:1;margin-left:260px;padding:32px 36px;background:var(--color-bg-alt);min-height:100vh}.page-header{margin-bottom:28px}.page-header h1{font-family:var(--font-heading);font-size:26px;font-weight:700;color:var(--color-dark);margin-bottom:4px}.page-header p{font-size:14px;color:var(--color-text-light)}.stats-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:28px}.stat-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px;transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow-md)}.stat-card .stat-label{font-size:13px;color:var(--color-text-light);margin-bottom:8px}.stat-card .stat-value{font-family:var(--font-heading);font-size:28px;font-weight:700;color:var(--color-dark)}.stat-card .stat-change{font-size:12px;margin-top:6px;display:flex;align-items:center;gap:4px}.stat-card .stat-change.up{color:var(--color-success)}.stat-card .stat-change.down{color:var(--color-danger)}.content-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:24px}.content-card .card-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--color-border-light)}.content-card .card-header h3{font-size:17px;font-weight:700;color:var(--color-dark)}.content-card .card-body{padding:24px}.api-key-box{display:flex;align-items:center;gap:12px;background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 16px;font-family:var(--font-mono);font-size:14px;color:var(--color-text)}.api-key-box .key-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.api-key-box .copy-btn{background:none;border:none;cursor:pointer;color:var(--color-text-light);font-size:14px;padding:4px 8px;border-radius:4px;transition:var(--transition)}.api-key-box .copy-btn:hover{background:var(--color-border);color:var(--color-primary)}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-muted)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px}.empty-state h3{font-size:18px;color:var(--color-text-light);margin-bottom:8px}.empty-state p{font-size:14px}.purchase-page{padding-top:var(--header-height);min-height:100vh;background:var(--color-bg-alt)}.purchase-container{max-width:900px;margin:0 auto;padding:60px 24px}.purchase-header{text-align:center;margin-bottom:48px}.purchase-header h1{font-family:var(--font-heading);font-size:32px;font-weight:700;color:var(--color-dark);margin-bottom:8px}.purchase-header p{font-size:16px;color:var(--color-text-light)}.purchase-plans{display:grid;grid-template-columns:repeat(3, 1fr);gap:20px;margin-bottom:40px}.qr-modal-overlay{display:none;position:fixed;inset:0;z-index:2000;background:rgba(15, 23, 42, 0.6);backdrop-filter:blur(4px);align-items:center;justify-content:center}.qr-modal-overlay.show{display:flex}.qr-modal{background:var(--color-white);border-radius:var(--radius-xl);padding:40px;max-width:420px;width:90%;text-align:center;box-shadow:var(--shadow-xl);animation:modal-in 0.3s ease}@keyframes modal-in{from{opacity:0;transform:scale(0.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.qr-modal h3{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--color-dark);margin-bottom:8px}.qr-modal .qr-amount{font-size:28px;font-weight:700;color:var(--color-primary);margin-bottom:24px}.qr-modal .qr-code-box{width:220px;height:220px;margin:0 auto 24px;background:var(--color-white);border:2px solid var(--color-border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;padding:12px}.qr-modal .qr-code-box img{width:100%;height:100%}.qr-modal .qr-tip{font-size:14px;color:var(--color-text-light);margin-bottom:8px}.qr-modal .qr-order-id{font-size:12px;color:var(--color-text-muted);font-family:var(--font-mono)}.qr-modal .qr-close-btn{position:absolute;top:16px;right:16px;background:none;border:none;font-size:24px;color:var(--color-text-light);cursor:pointer;transition:var(--transition)}.qr-modal .qr-close-btn:hover{color:var(--color-dark)}.payment-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding-top:var(--header-height);background:var(--color-bg-alt)}.payment-status{text-align:center;background:var(--color-white);border-radius:var(--radius-xl);padding:60px 48px;max-width:480px;width:90%;box-shadow:var(--shadow-lg)}.payment-status .status-icon{font-size:64px;margin-bottom:20px}.payment-status h2{font-family:var(--font-heading);font-size:24px;font-weight:700;margin-bottom:8px}.payment-status p{font-size:15px;color:var(--color-text-light);margin-bottom:24px}.payment-status .btn{min-width:180px}.loading-overlay{display:none;position:fixed;inset:0;z-index:9999;background:rgba(255, 255, 255, 0.8);align-items:center;justify-content:center}.loading-overlay.show{display:flex}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 0.8s linear infinite}.spinner-btn{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,0.3);border-top-color:#fff;border-radius:50%;animation:spin 0.6s linear infinite;vertical-align:middle;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:50%;left:50%;transform:translate(-50%, -50%);z-index:10000;display:flex;flex-direction:column;gap:12px;align-items:center;pointer-events:none}.toast{padding:16px 28px;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 8px 32px rgba(0,0,0,0.18);display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;animation:toast-in 0.3s ease;max-width:420px;pointer-events:auto}.toast.toast-success{border-left:3px solid var(--color-success)}.toast.toast-error{border-left:3px solid var(--color-danger)}.toast.toast-warning{border-left:3px solid var(--color-warning)}.toast.toast-info{border-left:3px solid var(--color-info)}.toast .toast-icon{font-size:18px}.toast.toast-success .toast-icon{color:var(--color-success)}.toast.toast-error .toast-icon{color:var(--color-danger)}.toast.toast-warning .toast-icon{color:var(--color-warning)}.toast-out{animation:toast-out 0.3s ease forwards}@keyframes toast-in{from{opacity:0;transform:translateY(-16px) scale(0.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-out{from{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-16px) scale(0.95)}}.steps{display:flex;gap:8px;margin-bottom:32px}.step{flex:1;text-align:center;position:relative}.step::after{content:'';position:absolute;top:16px;left:60%;right:-40%;height:2px;background:var(--color-border)}.step:last-child::after{display:none}.step.completed::after{background:var(--color-primary)}.step.active::after{background:var(--color-primary)}.step-number{width:32px;height:32px;margin:0 auto 8px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;background:var(--color-border-light);color:var(--color-text-muted);transition:var(--transition)}.step.active .step-number{background:var(--color-primary);color:var(--color-white)}.step.completed .step-number{background:var(--color-success);color:var(--color-white)}.step-label{font-size:12px;color:var(--color-text-muted)}.step.active .step-label{color:var(--color-primary);font-weight:600}.step.completed .step-label{color:var(--color-success)}@media (max-width:1024px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero-content{max-width:100%}.hero-visual{display:none}.features-grid{grid-template-columns:repeat(2, 1fr)}.pricing-grid{grid-template-columns:repeat(2, 1fr)}.tech-content{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2, 1fr)}.stats-grid{grid-template-columns:repeat(2, 1fr)}.purchase-plans{grid-template-columns:1fr}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-4px)}}@media (max-width:768px){.section{padding:64px 0}.section-title{font-size:28px}.hero-title{font-size:34px}.hero-desc{font-size:16px}.hero-stats{gap:24px;flex-wrap:wrap}.navbar-menu{display:none;position:fixed;top:var(--header-height);left:0;right:0;background:var(--color-white);border-bottom:1px solid var(--color-border);padding:16px;flex-direction:column;gap:4px;box-shadow:var(--shadow-lg)}.navbar-menu.open{display:flex}.navbar-menu .navbar-actions{width:100%;margin-top:8px}.navbar-menu .navbar-actions .btn{flex:1}.navbar-toggle{display:flex}.features-grid{grid-template-columns:1fr}.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-4px)}.contact-grid{grid-template-columns:1fr}.contact-form .form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.auth-brand-section{display:none}.auth-form-section{max-width:100%}.sidebar{width:100%;min-width:auto;position:relative;top:0;border-right:none;border-bottom:1px solid var(--color-border);padding:16px}.member-page{flex-direction:column}.member-main{margin-left:0;padding:24px 16px}.stats-grid{grid-template-columns:1fr 1fr}.tech-visual{grid-template-columns:1fr 1fr}}@media (max-width:480px){.hero-title{font-size:28px}.hero-actions .btn{flex:1;text-align:center}.hero-stats{gap:16px}.hero-stat-value{font-size:22px}.stats-grid{grid-template-columns:1fr}.purchase-container{padding:32px 16px}}