:root{--primary-50: #f0fdf4;--primary-100: #dcfce7;--primary-200: #bbf7d0;--primary-300: #86efac;--primary-400: #4ade80;--primary-500: #22c55e;--primary-600: #16a34a;--primary-700: #15803d;--primary-800: #166534;--primary-900: #14532d;--primary-950: #052e16;--accent-50: #fffbeb;--accent-100: #fef3c7;--accent-400: #fbbf24;--accent-500: #f59e0b;--accent-600: #d97706;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-400: #94a3b8;--neutral-500: #64748b;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1e293b;--neutral-900: #0f172a;--neutral-950: #020617;--success: #16a34a;--warning: #d97706;--error: #dc2626;--info: #2563eb;--bg-main: #f8fafc;--bg-surface: #ffffff;--bg-surface-elevated: #f1f5f9;--bg-glass: rgba(255, 255, 255, .95);--border-color: #cbd5e1;--border-glow: rgba(22, 163, 74, .3);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--font-sans: "Noto Sans TC", "Inter", "PingFang HK", "Microsoft JhengHei", sans-serif;--font-display: "Noto Sans TC", "Outfit", "PingFang HK", sans-serif;--font-mono: "JetBrains Mono", monospace;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);--shadow-md: 0 6px 18px rgba(15, 23, 42, .06);--shadow-lg: 0 16px 36px rgba(15, 23, 42, .09);--shadow-glow: 0 0 25px rgba(22, 163, 74, .2)}[data-theme=dark]{--bg-main: #0f172a;--bg-surface: #1e293b;--bg-surface-elevated: #334155;--bg-glass: rgba(30, 41, 59, .92);--border-color: rgba(255, 255, 255, .15);--border-glow: rgba(34, 197, 94, .3);--text-primary: #f8fafc;--text-secondary: #e2e8f0;--text-muted: #94a3b8;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 8px 25px rgba(0, 0, 0, .3);--shadow-lg: 0 20px 50px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body.modal-open{overflow:hidden!important}button,a{transition:all .2s cubic-bezier(.4,0,.2,1)}button:active{transform:scale(.98)}.glass-panel{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:20px;box-shadow:var(--shadow-md);transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s cubic-bezier(.4,0,.2,1)}.glass-panel-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}@keyframes pulseLive{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.15)}}.live-dot{animation:none}.desktop-only{display:flex!important}.mobile-only{display:none!important}.stats-grid{grid-template-columns:repeat(4,1fr)}.bento-span-2{grid-column:span 2}.hero-split-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}@media(max-width:992px){.hero-split-grid{grid-template-columns:1fr!important;gap:2.5rem!important}.stats-grid{grid-template-columns:repeat(2,1fr)!important}}.infinite-testimonial-card{flex:0 0 calc(33.333% - 1rem);min-width:280px}.nav-arrow-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:25;width:52px;height:52px;border-radius:50%;background:var(--bg-surface-elevated);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border:1px solid var(--border-color);box-shadow:0 8px 24px -4px #0000001f,0 2px 6px -1px #0000000f;color:var(--text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .35s cubic-bezier(.34,1.56,.64,1)}.nav-arrow-btn.prev{left:-26px}.nav-arrow-btn.next{right:-26px}.nav-arrow-btn:hover{transform:translateY(-50%) scale(1.14);background:var(--bg-surface);border-color:var(--primary-500);color:var(--primary-600);box-shadow:0 12px 32px #16a34a40,0 0 0 3px #16a34a26}.nav-arrow-btn:active{transform:translateY(-50%) scale(.96)}@media(max-width:992px){.infinite-testimonial-card{flex:0 0 calc(50% - .75rem)}.nav-arrow-btn.prev{left:-12px}.nav-arrow-btn.next{right:-12px}}@media(max-width:640px){.infinite-testimonial-card{flex:0 0 100%}.nav-arrow-btn{width:42px;height:42px}}@media(max-width:768px){.testimonial-side-card{display:none!important}.testimonials-grid{grid-template-columns:1fr!important}}@media(max-width:768px){.desktop-only{display:none!important}.mobile-only{display:flex!important}.bento-span-2{grid-column:span 1!important}.dashboard-sidebar-desktop{display:none!important}.dashboard-main-content{padding:1rem!important}.dashboard-topbar-title{font-size:1rem!important}}@media(min-width:769px){.dashboard-mobile-drawer{display:none!important}}.course-player-stage-grid{display:flex;flex-direction:column;min-height:calc(100vh - 60px)}@media(min-width:1024px){.course-player-stage-grid{display:grid;grid-template-columns:1fr 340px}}.dashboard-stats-grid-4{display:grid;grid-template-columns:repeat(1,1fr);gap:1.25rem;margin-bottom:2.25rem}@media(min-width:640px){.dashboard-stats-grid-4{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.dashboard-stats-grid-4{grid-template-columns:repeat(4,1fr)}}.dashboard-sidebar-desktop{position:fixed;top:0;left:0;bottom:0;height:100vh;z-index:950;transition:width .3s cubic-bezier(.16,1,.3,1),background-color .3s ease,border-color .3s ease;will-change:width}.sidebar-wrapper{width:100%;background-color:var(--bg-surface);padding:0 .85rem 1.25rem;display:flex;flex-direction:column;justify-content:space-between;height:100%;overflow-y:auto;overflow-x:hidden;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative}.sidebar-brand-box{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 .25rem;margin-bottom:1rem;border-bottom:1px solid var(--border-color);box-sizing:border-box}.sidebar-section-group{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1.25rem}.sidebar-section-title{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:.4rem .75rem .2rem;-webkit-user-select:none;user-select:none;white-space:nowrap}.sidebar-nav-list{display:flex;flex-direction:column;gap:.3rem}.sidebar-link-item{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.65rem .85rem;border-radius:12px;font-size:.88rem;font-weight:500;color:var(--text-secondary);background-color:transparent;border:1px solid transparent;transition:all .2s cubic-bezier(.4,0,.2,1);text-decoration:none;position:relative;cursor:pointer}.sidebar-link-content{display:flex;align-items:center;gap:.75rem;min-width:0}.sidebar-link-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0;color:var(--text-muted);transition:transform .2s ease,color .2s ease}.sidebar-link-item:hover{background-color:var(--bg-surface-elevated);color:var(--text-primary)}.sidebar-link-item:hover .sidebar-link-icon{color:var(--primary-500);transform:scale(1.08)}.sidebar-link-item-active{font-weight:700;color:var(--primary-600);background:#22c55e1a;border-color:#22c55e40;box-shadow:0 4px 12px #16a34a14}[data-theme=dark] .sidebar-link-item-active{color:#4ade80;background:#22c55e29;border-color:#22c55e59;box-shadow:0 4px 16px #22c55e26}.sidebar-link-item-active .sidebar-link-icon{color:var(--primary-500)}.sidebar-active-indicator{position:absolute;left:0;top:20%;bottom:20%;width:4px;border-radius:0 4px 4px 0;background-color:var(--primary-500);box-shadow:0 0 10px var(--primary-500)}.sidebar-badge{font-size:.72rem;font-weight:700;padding:.15rem .5rem;border-radius:9999px;background-color:var(--bg-surface-elevated);color:var(--text-muted);border:1px solid var(--border-color);line-height:1;transition:all .2s ease}.sidebar-badge-primary{background-color:var(--primary-500);color:#fff;border:none;box-shadow:0 2px 6px #16a34a4d}.sidebar-badge-accent{background-color:var(--accent-500);color:#fff;border:none}.sidebar-footer-box{padding-top:1rem;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:.5rem}.sidebar-upgrade-card{background:linear-gradient(135deg,#22c55e1f,#f59e0b1a);border:1px solid rgba(34,197,94,.3);border-radius:14px;padding:.85rem;margin-bottom:.35rem;position:relative;overflow:hidden;transition:all .25s ease}.sidebar-upgrade-card:hover{border-color:var(--primary-500);box-shadow:0 6px 20px #16a34a2e;transform:translateY(-2px)}.sidebar-logout-button{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.65rem .85rem;border-radius:12px;font-size:.88rem;font-weight:600;color:var(--error);background:transparent;border:1px solid transparent;cursor:pointer;width:100%;text-align:left;transition:all .2s ease}.sidebar-logout-button:hover{background-color:#dc262614;border-color:#dc262633}.sidebar-wrapper.collapsed{padding:0 .5rem 1.25rem}.sidebar-wrapper.collapsed .sidebar-brand-box{justify-content:center!important;padding:0}.sidebar-wrapper.collapsed .sidebar-nav-list,.sidebar-wrapper.collapsed .sidebar-footer-box{align-items:center;gap:.5rem}.sidebar-wrapper.collapsed .sidebar-link-item,.sidebar-wrapper.collapsed .sidebar-logout-button{width:44px!important;height:44px!important;min-height:44px!important;padding:0!important;margin:0 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#22c55e40;transform:scale(1.12)}.form-input-custom,.form-select-custom,.form-textarea-custom{width:100%;padding:.75rem;border-radius:12px;background-color:var(--bg-surface-elevated);border:1px solid var(--border-color);color:var(--text-primary);outline:none;font-family:inherit;font-size:.9rem}.form-input-custom:focus,.form-select-custom:focus,.form-textarea-custom:focus{border-color:var(--primary-500);box-shadow:0 0 0 3px var(--border-glow)}.tab-pill-btn{padding:.55rem 1.25rem;border-radius:9999px;font-size:.88rem;font-weight:500;background-color:var(--bg-surface-elevated);color:var(--text-secondary);border:1px solid var(--border-color);cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .2s ease;display:flex;align-items:center;gap:.4rem}.tab-pill-btn-active{font-weight:700;background-color:#22c55e24;color:var(--primary-600);border:1px solid rgba(34,197,94,.35)}.gradient-text-animated{background:linear-gradient(135deg,var(--primary-600) 0%,var(--accent-500) 40%,#3b82f6 70%,var(--primary-500) 100%);background-size:250% 250%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 6s ease infinite}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.login-page-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-main);background:radial-gradient(circle at 50% 30%,var(--bg-surface-elevated) 0%,var(--bg-main) 70%,#020617 100%);padding:2.5rem 1.5rem}.login-split-card{display:grid;grid-template-columns:1fr 1.1fr;max-width:1060px;width:100%;border-radius:24px;overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-lg);background-color:var(--bg-surface)}@media(max-width:900px){.login-split-card{grid-template-columns:1fr;max-width:540px}.login-left-showcase{display:none}}.login-left-showcase{background:linear-gradient(145deg,#0f172a,#1e293b,#064e3b);padding:3.5rem 2.5rem;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.login-right-form{padding:3rem 2.5rem;display:flex;flex-direction:column;justify-content:center}@media(max-width:640px){.login-right-form{padding:2rem 1.25rem}}.role-select-btn{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;background-color:var(--bg-surface-elevated);border:1px solid var(--border-color);border-radius:16px;cursor:pointer;text-align:left;transition:all .25s cubic-bezier(.16,1,.3,1);color:var(--text-primary);width:100%}.role-select-btn:hover{transform:translateY(-2px);border-color:var(--primary-500);box-shadow:0 8px 24px #22c55e1f}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-primary);font-weight:800;letter-spacing:-.02em}a{color:inherit;text-decoration:none}.co-grid{display:grid;grid-template-columns:1fr 400px;gap:2.5rem;align-items:start}.co-summary{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:24px;padding:1.75rem;position:sticky;top:90px}.co-mobile-toggle,.co-sticky-bar{display:none}@media(max-width:1100px){.co-grid{grid-template-columns:1fr 360px;gap:2rem}}@media(max-width:768px){.co-grid{grid-template-columns:1fr;gap:1.25rem}.co-right{order:-1}.co-left{order:1}.co-summary{display:none;position:static;padding:1.25rem;border-radius:18px;margin-top:.5rem}.co-summary-open{display:block!important}.co-mobile-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1rem 1.25rem;border:1px solid var(--border-color);border-radius:14px;background:var(--bg-surface);cursor:pointer;font-size:.9rem;color:var(--text-primary)}.co-sticky-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;position:fixed;bottom:0;left:0;right:0;z-index:900;padding:.85rem 1.25rem;background:var(--bg-surface);border-top:1px solid var(--border-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.co-grid+*{padding-bottom:5rem}}@media(max-width:480px){.co-summary{padding:1rem}}.co-wizard-grid{display:grid;grid-template-columns:1fr 320px;gap:2.5rem;align-items:start}.co-sidebar,.step-label-hide{display:block}@media(max-width:900px){.co-wizard-grid{grid-template-columns:1fr 280px;gap:1.75rem}}@media(max-width:680px){.co-wizard-grid{grid-template-columns:1fr;gap:1.5rem}.co-sidebar{order:2}.step-label-hide{display:none}}.checkout-back-link{display:inline-flex;align-items:center;gap:.3rem;color:var(--text-muted);font-size:.88rem;margin-bottom:.6rem;transition:color .2s}.checkout-back-link:hover{color:var(--primary-500)}.checkout-title{font-size:clamp(1.5rem,4vw,2.2rem);font-weight:900;margin:0;color:var(--text-primary)}.checkout-subtitle{color:var(--text-secondary);font-size:.95rem;margin-top:.35rem}.checkout-empty{text-align:center;padding:4rem 2rem;border-radius:24px}.checkout-empty-icon{width:64px;height:64px;border-radius:50%;background:var(--bg-surface-elevated);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:var(--text-muted)}.checkout-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:2.5rem;align-items:start}.checkout-promo-banner{display:flex;align-items:center;gap:.75rem;background:#22c55e12;border:1px solid rgba(34,197,94,.28);padding:1rem 1.25rem;border-radius:16px;margin-bottom:2rem;color:var(--primary-600)}.checkout-promo-text{font-size:.88rem;font-weight:600}.checkout-section-title{font-size:1.15rem;font-weight:800;margin-bottom:1.25rem}.checkout-cart-list{display:flex;flex-direction:column;gap:1rem}.checkout-cart-item{display:flex;align-items:center;gap:1.1rem;padding:1.1rem 1.25rem;border-radius:16px;background:var(--bg-surface);border:1px solid var(--border-color)}.checkout-cart-thumb{width:90px;height:60px;border-radius:10px;object-fit:cover;flex-shrink:0}.checkout-cart-info{flex:1;min-width:0}.checkout-cart-title{font-size:.96rem;font-weight:700;margin:.3rem 0 .2rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.checkout-cart-meta{font-size:.79rem;color:var(--text-muted)}.checkout-cart-right{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem;flex-shrink:0}.checkout-cart-price{font-size:1.05rem;font-weight:800;color:var(--primary-600);white-space:nowrap}.checkout-remove-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.35rem;border-radius:8px;transition:color .2s;display:flex}.checkout-remove-btn:hover{color:#ef4444}.checkout-form-card{padding:1.75rem;border-radius:20px}.checkout-form{display:flex;flex-direction:column;gap:1.25rem}.checkout-field{display:flex;flex-direction:column;gap:.45rem}.checkout-label{font-size:.86rem;font-weight:600;color:var(--text-primary)}.checkout-input-wrap{position:relative}.checkout-input-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.checkout-input{width:100%;padding:.8rem 1rem .8rem 2.75rem;background:var(--bg-surface-elevated);border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:.95rem;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}.checkout-input:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px #22c55e1f}.checkout-right{position:relative}.checkout-summary-toggle{display:none}.checkout-summary-card{padding:1.75rem;border-radius:24px;position:sticky;top:100px}.checkout-summary-title{font-size:1.2rem;font-weight:800;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.checkout-summary-lines{display:flex;flex-direction:column;gap:.9rem;margin-bottom:1.5rem}.checkout-summary-row{display:flex;justify-content:space-between;font-size:.9rem;color:var(--text-secondary)}.checkout-summary-discount{color:var(--primary-600);font-weight:600}.checkout-summary-total-row{display:flex;justify-content:space-between;align-items:baseline;padding-top:.9rem;border-top:1px solid var(--border-color);font-weight:800;font-size:1rem}.checkout-total-amount{font-size:1.9rem;font-weight:900;color:var(--primary-600)}.checkout-payment-options{display:flex;flex-direction:column;gap:.75rem}.checkout-payment-btn{display:flex;align-items:center;gap:.85rem;padding:1rem;border-radius:14px;border:1px solid var(--border-color);background:var(--bg-surface-elevated);cursor:pointer;text-align:left;transition:all .2s;width:100%}.checkout-payment-btn:hover{border-color:var(--primary-500)}.checkout-payment-active{border:2px solid var(--primary-600)!important;background:#22c55e12!important}.checkout-payment-label{font-weight:700;font-size:.92rem;color:var(--text-primary)}.checkout-payment-sub{font-size:.76rem;color:var(--text-muted);margin-top:.1rem}.checkout-secure-note{display:flex;align-items:center;justify-content:center;gap:.4rem;font-size:.76rem;color:var(--text-muted);margin-top:1.1rem}.checkout-sticky-cta{display:none}.checkout-success-icon{width:64px;height:64px;border-radius:50%;background:#22c55e1f;color:var(--primary-600);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.checkout-success-courses{background:var(--bg-surface-elevated);padding:1.25rem;border-radius:16px;border:1px solid var(--border-color);text-align:left;margin-bottom:2rem}.checkout-success-course-item{display:flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:700;margin:.35rem 0;color:var(--text-primary)}@media(max-width:1024px){.checkout-layout{grid-template-columns:1fr .9fr;gap:1.75rem}.checkout-cart-thumb{width:72px;height:50px}}@media(max-width:768px){.checkout-page-main{padding:1.5rem 1rem 6rem}.checkout-layout{grid-template-columns:1fr;gap:1.5rem}.checkout-right{order:-1}.checkout-left{order:1}.checkout-summary-card{position:static;display:none;padding:1.25rem;border-radius:16px;margin-top:.5rem}.checkout-summary-visible{display:block!important}.checkout-summary-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1rem 1.25rem;border-radius:14px;border:1px solid var(--border-color);background:var(--bg-surface);cursor:pointer;font-size:.92rem;font-weight:700;color:var(--primary-600);margin-bottom:0}.checkout-sticky-cta{display:flex;align-items:center;justify-content:space-between;gap:1rem;position:fixed;bottom:0;left:0;right:0;z-index:900;padding:1rem 1.25rem;background:var(--bg-surface);border-top:1px solid var(--border-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.checkout-cart-item{padding:.85rem 1rem;gap:.75rem}.checkout-cart-thumb{width:60px;height:42px}.checkout-cart-title{font-size:.88rem}.checkout-form-card{padding:1.25rem}.checkout-title{font-size:1.4rem}.checkout-empty{padding:2.5rem 1.25rem}}@media(max-width:480px){.checkout-page-main{padding:1rem .75rem 6.5rem}.checkout-cart-thumb{display:none}.checkout-cart-item{flex-wrap:wrap}.checkout-cart-right{flex-direction:row;align-items:center}.checkout-payment-btn{padding:.85rem}}