.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-height);background:rgba(247,249,251,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transition:var(--transition)}.navbar-inner{max-width:var(--max-width);margin:0 auto;height:100%;justify-content:space-between;padding:0 24px}.navbar-brand,.navbar-inner{display:flex;align-items:center}.navbar-brand{gap:10px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.navbar-logo{width:36px;height:36px;object-fit:contain}.navbar-title{font-size:20px;font-weight:800;color:var(--primary);font-family:Manrope,sans-serif;letter-spacing:-.02em}.navbar-links{display:flex;gap:32px;align-items:center}.navbar-links a{font-size:14px;font-weight:500;color:var(--on-surface-variant);cursor:pointer;transition:color .2s;position:relative;padding:4px 0;letter-spacing:.01em}.navbar-links a.active,.navbar-links a:hover{color:var(--primary)}.navbar-links a.active{font-weight:600}.navbar-links 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1fr;grid-gap:32px;gap:32px}.nav-dd-col-label{font-size:.625rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em;color:var(--outline);margin:0 0 16px}.nav-dd-col{display:flex;flex-direction:column;gap:0}.nav-dd-item{display:flex;align-items:center;gap:12px;padding:8px 0;color:var(--on-surface-variant);cursor:pointer;transition:color .15s;font-size:.875rem;font-weight:600;text-decoration:none}.nav-dd-item:hover{color:var(--primary)}.nav-dd-item:hover .nav-dd-item-icon{background:rgba(0,74,198,.1)}.nav-dd-item-danger:hover{color:var(--error)}.nav-dd-item-danger:hover .nav-dd-item-icon{background:rgba(186,26,26,.1)}.nav-dd-item-icon{width:32px;height:32px;border-radius:.5rem;background:var(--surface-container-high);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.nav-dd-item-icon .material-symbols-outlined{font-size:20px}.nav-dd-footer{padding:12px 24px;background:rgba(247,249,251,.5);border-top:1px solid 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rgba(0,0,0,.1);position:relative;overflow:hidden}.vip-modal-close{position:absolute;top:16px;right:16px;z-index:10;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;color:var(--on-surface-variant)}.vip-modal-close:hover{background:rgba(255,255,255,.5)}.vip-modal-layout{display:flex;min-height:640px}.vip-modal-sidebar{width:33%;padding:48px;background:rgba(0,74,198,.04);display:flex;flex-direction:column;justify-content:space-between;flex-shrink:0}.vip-sidebar-main{display:flex;flex-direction:column;gap:24px}.vip-sidebar-badge{display:inline-block;padding:6px 12px;border-radius:9999px;background:var(--tertiary-fixed);color:#7d2d00;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;width:-moz-fit-content;width:fit-content}.vip-sidebar-title{font-family:Manrope,sans-serif;font-size:2.75rem;font-weight:800;color:var(--on-surface);line-height:1.15;letter-spacing:-.02em}.vip-sidebar-accent{color:var(--primary)}.vip-sidebar-desc{font-size:1.0625rem;color:var(--on-surface-variant);line-height:1.7}.vip-sidebar-features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:24px}.vip-sidebar-features li{display:flex;align-items:flex-start;gap:16px}.vip-feature-icon{font-size:20px;color:var(--primary);background:var(--primary-fixed);padding:6px;border-radius:var(--radius-sm);flex-shrink:0}.vip-sidebar-features h4{font-size:.9375rem;font-weight:700;color:var(--on-surface);margin:0 0 2px}.vip-sidebar-features p{font-size:.8125rem;color:var(--on-surface-variant);margin:0;line-height:1.5}.vip-sidebar-footer{padding-top:48px;border-top:1px solid rgba(195,198,215,.3)}.vip-sidebar-social{display:flex;align-items:center;gap:12px}.vip-sidebar-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0}.vip-social-count{font-size:.8125rem;font-weight:700;color:var(--on-surface);margin:0}.vip-social-sub{font-size:.625rem;color:var(--on-surface-variant);margin:0}.vip-modal-pricing{flex:1 1;padding:32px;overflow-y:auto}.vip-pricing-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.vip-plan-card{background:rgba(255,255,255,.4);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.5);border-radius:var(--radius-xl);padding:28px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .3s;position:relative}.vip-plan-card:hover{transform:translateY(-4px)}.vip-plan-dark{background:#0f172a;border-color:rgba(37,99,235,.2)}.vip-plan-popular{border-color:rgba(0,74,198,.2)}.vip-popular-badge{position:absolute;top:-12px;right:28px;background:var(--primary);color:#fff;font-size:10px;font-weight:800;padding:4px 12px;border-radius:9999px;text-transform:uppercase;letter-spacing:-.02em}.vip-plan-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.vip-plan-name{font-family:Manrope,sans-serif;font-size:1.25rem;font-weight:700;color:var(--on-surface)}.vip-plan-name-dark{color:#60a5fa}.vip-plan-icon{color:var(--outline);font-size:22px}.vip-icon-dark{color:#60a5fa}.vip-plan-price{margin-bottom:20px}.vip-price-amount{font-family:Manrope,sans-serif;font-size:2rem;font-weight:900;color:var(--on-surface)}.vip-price-primary{color:var(--primary)}.vip-price-dark{color:#fff}.vip-price-period{font-size:.875rem;color:var(--on-surface-variant);margin-left:4px}.vip-period-dark{color:#94a3b8}.vip-plan-features{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:12px}.vip-plan-features li{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--on-surface-variant)}.vip-features-dark li{color:#cbd5e1}.vip-check{font-size:16px;color:var(--primary)}.vip-check-dark{color:#60a5fa}.vip-plan-btn{width:100%;padding:14px;border-radius:var(--radius-md);font-size:.875rem;font-weight:700;cursor:pointer;transition:all .2s;font-family:inherit;border:none}.vip-btn-current{background:var(--surface-container-high);color:var(--on-surface-variant);cursor:default}.vip-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-container));color:#fff;box-shadow:0 8px 24px rgba(0,74,198,.2)}.vip-btn-primary:hover{transform:scale(1.02)}.vip-btn-outline{background:transparent;border:2px solid rgba(0,74,198,.3);color:var(--primary)}.vip-btn-outline:hover{background:rgba(0,74,198,.05)}.vip-btn-dark{background:#3b82f6;color:#fff;box-shadow:0 8px 24px rgba(59,130,246,.3)}.vip-btn-dark:hover{background:#60a5fa}.vip-pricing-footer{margin-top:24px;display:flex;align-items:center;justify-content:space-between;opacity:.5}.vip-footer-secure{display:flex;align-items:center;gap:6px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.vip-footer-terms{font-size:10px;margin:0}@media (max-width:900px){.vip-modal-layout{flex-direction:column;min-height:auto}.vip-modal-sidebar{width:100%;padding:32px}.vip-sidebar-title{font-size:2rem}.vip-sidebar-features,.vip-sidebar-footer{display:none}.vip-pricing-grid{grid-template-columns:1fr}}:root{--primary:#004ac6;--primary-container:#2563eb;--on-primary:#ffffff;--on-primary-container:#eeefff;--tertiary:#943700;--tertiary-container:#bc4800;--on-tertiary:#ffffff;--secondary:#495c95;--secondary-container:#acbfff;--on-secondary-container:#394c84;--secondary-fixed:#dbe1ff;--on-secondary-fixed:#00174b;--surface:#f7f9fb;--surface-dim:#d8dadc;--surface-bright:#f7f9fb;--surface-container-lowest:#ffffff;--surface-container-low:#f2f4f6;--surface-container:#eceef0;--surface-container-high:#e6e8ea;--surface-container-highest:#e0e3e5;--on-surface:#191c1e;--on-surface-variant:#434655;--on-background:#191c1e;--outline:#737686;--outline-variant:#c3c6d7;--primary-fixed:#dbe1ff;--primary-fixed-dim:#b4c5ff;--tertiary-fixed:#ffdbcd;--tertiary-fixed-dim:#ffb596;--error:#ba1a1a;--error-container:#ffdad6;--on-error:#ffffff;--inverse-surface:#2d3133;--inverse-on-surface:#eff1f3;--inverse-primary:#b4c5ff;--success:#22C55E;--warning:#F59E0B;--radius-sm:0.5rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--shadow-ambient:0 0 16px rgba(25,28,30,0.04);--shadow-modal:0 8px 32px rgba(25,28,30,0.08);--shadow-elevated:0 16px 48px rgba(25,28,30,0.06);--transition:all 0.25s ease;--transition-fast:all 0.15s ease;--nav-height:64px;--max-width:1280px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;color:var(--on-surface);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.font-headline,h1,h2,h3,h4,h5,h6{font-family:Manrope,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}a{text-decoration:none;color:inherit}button{font-family:inherit}img{max-width:100%;display:block}::selection{background:var(--primary-container);color:var(--on-primary-container)}.arco-btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-container) 100%)!important;border:none!important}.arco-btn-primary:hover{opacity:.9}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--outline-variant);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--outline)}.page-container{max-width:var(--max-width);margin:0 auto;padding:0 24px}@media (max-width:768px){.page-container{padding:0 16px}}