.home-page{min-height:100vh}.hero-section{background:linear-gradient(135deg,#0ea5e9,#8b5cf6);color:#fff;padding:80px 24px;text-align:center}.hero-title{font-size:48px;font-weight:800;margin-bottom:16px}.hero-subtitle{font-size:20px;opacity:.9;margin-bottom:40px}.hero-actions{display:flex;gap:16px;justify-content:center}.hero-stats{background:#fff;padding:40px;margin:-40px auto 0;max-width:1200px;border-radius:16px;box-shadow:0 10px 40px #0000001a}.features-section{padding:80px 24px;max-width:1200px;margin:0 auto}.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:48px;color:#0f172a}.feature-card{text-align:center;padding:24px;height:100%}.feature-icon{font-size:48px;margin-bottom:16px}.feature-card h3{font-size:20px;margin-bottom:12px;color:#0f172a}.feature-card p{color:#64748b;margin-bottom:20px}.learn-more{color:#0ea5e9;text-decoration:none;font-weight:500}.learn-more:hover{color:#0284c7}.cta-section{background:#f1f5f9;padding:80px 24px;text-align:center}.cta-section h2{font-size:32px;margin-bottom:16px;color:#0f172a}.cta-section p{font-size:18px;color:#64748b;margin-bottom:32px}@media (max-width: 768px){.hero-title{font-size:32px}.hero-subtitle{font-size:16px}.hero-actions{flex-direction:column}.hero-stats{padding:24px}}.courses-page{padding-top:32px}.courses-page-wrapper h1{padding:24px 24px 0}.filter-card{margin-bottom:32px;border-radius:12px}.course-card{height:100%;display:flex;flex-direction:column;border-radius:12px;overflow:hidden}.course-card .ant-card-body{padding:12px}.filter-section .ant-tag{margin-right:30px}.filter-row{display:flex;align-items:center;flex-wrap:wrap}.filter-row .filter-label{margin-right:16px;white-space:nowrap}.filter-tags-scroll{display:inline-flex;flex-wrap:wrap;align-items:center}.course-card:hover{transform:translateY(-4px)}.course-cover{height:160px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:64px}.course-emoji{filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}.course-tags{margin-bottom:12px}.course-title{font-size:18px;font-weight:600;margin-bottom:8px;color:#0f172a}.course-subtitle{color:#64748b;font-size:14px;margin-bottom:16px;line-height:1.5}.course-info{margin-bottom:16px;display:flex;flex-direction:column;gap:8px}.info-item{display:flex;align-items:center;gap:8px;color:#64748b;font-size:13px}.course-footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid #e2e8f0}.enrollment-count{color:#94a3b8;font-size:13px}@media (max-width: 768px){.card-grid{grid-template-columns:1fr!important}.course-card .ant-card-cover{display:block!important}.course-card .ant-card-cover img{display:block!important;width:100%!important;height:180px!important;object-fit:cover!important}.course-card .ant-tag{display:inline-block!important}}.banner-carousel{border-radius:12px;overflow:hidden}.banner-carousel .slick-dots{bottom:12px}.banner-carousel .slick-dots li button{background:#fff9;border-radius:4px;height:4px}.banner-carousel .slick-dots li.slick-active button{background:#fff}.banner-image{width:100%;height:300px;object-fit:cover;display:block;cursor:pointer}@media (max-width: 768px){.mobile-hide-title{display:none}.courses-page-wrapper{padding:0!important}.banner-carousel{border-radius:0;margin:0;width:100%}.banner-image{height:180px}.filter-section{margin-left:-20px;margin-right:-20px;padding:16px 12px!important}.filter-section .ant-tag{margin-right:8px!important}.filter-section .ant-tag{margin-bottom:10px!important;padding:6px 14px!important;font-size:14px!important;white-space:nowrap}.filter-row{display:flex!important;align-items:center!important;margin-bottom:12px!important}.filter-label{flex-shrink:0;margin-right:8px}.filter-tags-scroll{display:flex!important;flex-wrap:nowrap!important;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px;flex:1;min-width:0}.filter-tags-scroll::-webkit-scrollbar{display:none}}:root{--edu-primary: #f59e0b;--edu-primary-light: #fbbf24;--edu-primary-dark: #d97706;--edu-accent: #fb923c;--edu-blue: #2563eb;--edu-blue-dark: #1e3a8a;--edu-teal: #0d9488;--edu-bg: #fffbf5;--edu-bg-soft: #fef3c7;--edu-bg-gradient: linear-gradient(180deg, #fffaf0 0%, #fffbf5 40%, #fef9f3 100%);--edu-card: #ffffff;--edu-card-soft: #fffaf2;--edu-text: #1c1917;--edu-text-2: #57534e;--edu-text-3: #a8a29e;--edu-border: #f5e6d3;--edu-shadow: 0 8px 30px rgba(245, 158, 11, .08);--edu-shadow-hover: 0 16px 44px rgba(245, 158, 11, .16)}.live-page{max-width:1280px;margin:0 auto;padding:24px;position:relative;z-index:1;color:var(--edu-text)}.live-page-header{text-align:center;padding:24px 0 40px}.live-page-header-tag{display:inline-block;padding:6px 18px;border-radius:999px;background:#fff7ed;border:1px solid #fed7aa;color:var(--edu-primary-dark);font-size:13px;font-weight:600;margin-bottom:18px}.live-page-header-title{font-size:34px;font-weight:800;color:var(--edu-text);line-height:1.3;margin-bottom:12px;background:linear-gradient(135deg,var(--edu-blue-dark) 0%,var(--edu-primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.live-page-header-sub{font-size:15px;color:var(--edu-text-2)}@media (max-width: 768px){.live-page-header-title{font-size:24px}.live-page-header{padding:12px 0 28px}}.live-page .section-title{font-size:26px;font-weight:800;text-align:center;margin:56px 0 8px;color:var(--edu-text);letter-spacing:.5px;position:relative;display:flex;align-items:center;justify-content:center;gap:10px}.live-page .section-title:before,.live-page .section-title:after{content:"";width:36px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--edu-primary),var(--edu-accent))}.live-page .section-subtitle{text-align:center;color:var(--edu-text-3);margin-bottom:32px;font-size:14px}.live-hero{position:relative;border-radius:24px;overflow:hidden;background:linear-gradient(135deg,#fffbf0,#fef3c7,#fed7aa);border:1px solid #fcd9a3;box-shadow:var(--edu-shadow);padding:40px;display:flex;gap:40px;align-items:center;transition:all .4s cubic-bezier(.4,0,.2,1);animation:liveFadeUp .6s ease-out}.live-hero:hover{box-shadow:var(--edu-shadow-hover)}.live-hero-stage{flex:1.35;min-width:0}.live-hero-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.live-hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid #fed7aa;color:var(--edu-primary-dark);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:20px}.live-hero-title{font-size:38px;font-weight:800;line-height:1.25;color:var(--edu-text);margin-bottom:12px}.live-hero-subtitle{font-size:16px;color:var(--edu-text-2);margin-bottom:24px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.live-hero-instructor{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding:12px 16px;background:#ffffffb3;border-radius:14px;border:1px solid #fde7c7;width:fit-content}.live-hero-instructor .instructor-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--edu-primary),var(--edu-accent));display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;font-weight:700;box-shadow:0 4px 12px #f59e0b59;overflow:hidden;flex-shrink:0}.live-hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:24px;color:var(--edu-text-2);font-size:14px}.live-hero-meta .meta-item{display:flex;align-items:center;gap:6px}.live-hero-meta .meta-item .anticon{color:var(--edu-primary);font-size:16px}.live-online-pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:#10b981;box-shadow:0 0 #10b981b3;animation:livePulse 1.6s infinite}.live-countdown{display:flex;gap:12px;margin-bottom:24px}.live-countdown .cd-block{background:#fff;border:1px solid #fcd9a3;border-radius:12px;padding:10px 16px;min-width:64px;text-align:center;box-shadow:0 2px 8px #f59e0b14}.live-countdown .cd-num{font-size:26px;font-weight:800;color:var(--edu-primary-dark);line-height:1}.live-countdown .cd-label{font-size:11px;color:var(--edu-text-3);margin-top:4px}.live-cta-btn{height:48px!important;padding:0 32px!important;font-size:16px!important;border-radius:14px!important;background:linear-gradient(135deg,var(--edu-primary) 0%,var(--edu-accent) 100%)!important;border:none!important;box-shadow:0 8px 20px #f59e0b59!important;font-weight:600!important;transition:all .3s ease!important;text-transform:none!important;letter-spacing:0!important}.live-cta-btn:hover{transform:translateY(-2px)!important;box-shadow:0 12px 28px #f59e0b80!important;background:linear-gradient(135deg,var(--edu-primary-dark) 0%,var(--edu-primary) 100%)!important}.live-badge-live{position:absolute;top:20px;right:20px;display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:linear-gradient(135deg,#ef4444,#f87171);color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;box-shadow:0 4px 14px #ef444466;z-index:2}.live-badge-live .live-dot{width:8px;height:8px;border-radius:50%;background:#fff;animation:livePulse 1s infinite}.live-cover-wrap{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16 / 9;background:#0a0e1a;box-shadow:0 16px 40px #f59e0b33;border:3px solid #fff}.live-cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}.live-hero:hover .live-cover-wrap img{transform:scale(1.04)}.live-cover-wrap .cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:80px;background:linear-gradient(135deg,#fef3c7,#fed7aa)}.stage-notlive{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#fff;background:linear-gradient(180deg,#0a0e1a26,#0a0e1ab8)}.stage-notlive .notlive-icon{font-size:48px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.4))}.stage-notlive .notlive-text{font-size:22px;font-weight:700;letter-spacing:2px}.stage-notlive .notlive-time{font-size:14px;color:#fbbf24;margin-top:6px;font-weight:500}.stage-player{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:18px;overflow:hidden;border:3px solid #fff;box-shadow:0 16px 40px #f59e0b33;background:#000}.stage-player>div{width:100%!important;height:100%!important;aspect-ratio:unset!important;border-radius:0!important}.live-empty{text-align:center;padding:80px 24px;color:var(--edu-text-2);background:var(--edu-card);border-radius:20px;box-shadow:var(--edu-shadow)}.live-empty .empty-icon{font-size:64px;margin-bottom:16px}.live-intro-card{background:var(--edu-card)!important;border:1px solid var(--edu-border)!important;border-radius:20px!important;box-shadow:var(--edu-shadow)!important;padding:8px;color:var(--edu-text)!important;transition:all .3s ease!important}.live-intro-card:hover{box-shadow:var(--edu-shadow-hover)!important}.live-intro-card .ant-card-head{border-bottom:1px solid var(--edu-border)!important}.live-intro-card .ant-card-head-title{color:var(--edu-blue-dark)!important}.live-intro-block{margin-bottom:24px}.live-intro-block:last-child{margin-bottom:0}.live-intro-block h4{color:var(--edu-blue-dark);font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px;padding-left:12px;border-left:4px solid var(--edu-primary)}.live-intro-block p,.live-intro-block .intro-text{color:var(--edu-text-2);line-height:1.9;white-space:pre-line;font-size:14px}.live-intro-outline{list-style:none;padding:0;margin:0}.live-intro-outline li{color:var(--edu-text-2);padding:10px 0 10px 28px;position:relative;font-size:14px;border-bottom:1px dashed var(--edu-border)}.live-intro-outline li:last-child{border-bottom:none}.live-intro-outline li:before{content:"";position:absolute;left:4px;top:18px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--edu-primary),var(--edu-accent));box-shadow:0 0 0 3px #fef3c7}.live-tags{display:flex;flex-wrap:wrap;gap:10px}.live-tag-pill{padding:6px 16px;border-radius:999px;font-size:13px;font-weight:500;color:var(--edu-primary-dark);background:#fff7ed;border:1px solid #fed7aa;transition:all .3s ease;cursor:default}.live-tag-pill:hover{color:#fff;background:linear-gradient(135deg,var(--edu-primary),var(--edu-accent));border-color:transparent;transform:translateY(-2px);box-shadow:0 6px 16px #f59e0b4d}.live-material-card{position:relative;height:100%;border-radius:16px!important;background:var(--edu-card)!important;border:1px solid var(--edu-border)!important;box-shadow:var(--edu-shadow)!important;overflow:hidden;transition:all .35s cubic-bezier(.4,0,.2,1);cursor:pointer}.live-material-card:hover{border-color:var(--edu-primary)!important;box-shadow:var(--edu-shadow-hover)!important;transform:translateY(-6px)}.live-material-card .material-icon-box{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;color:#fff;background:linear-gradient(135deg,var(--edu-primary),var(--edu-accent));box-shadow:0 6px 16px #f59e0b4d}.live-material-card .material-title{color:var(--edu-text);font-size:16px;font-weight:600;margin-bottom:6px}.live-material-card .material-meta{color:var(--edu-text-3);font-size:12px;display:flex;align-items:center;gap:6px}.live-material-card .material-download{position:absolute;top:16px;right:16px;color:var(--edu-primary);font-size:18px;opacity:.6;transition:all .3s ease}.live-material-card:hover .material-download{opacity:1;transform:translateY(2px)}.live-history-card{height:100%;border-radius:16px!important;overflow:hidden;background:var(--edu-card)!important;border:1px solid var(--edu-border)!important;box-shadow:var(--edu-shadow)!important;transition:all .35s cubic-bezier(.4,0,.2,1);cursor:pointer}.live-history-card:hover{border-color:var(--edu-primary)!important;box-shadow:var(--edu-shadow-hover)!important;transform:translateY(-6px)}.live-history-card .history-cover{position:relative;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg,#fef3c7,#fed7aa)}.live-history-card .history-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.live-history-card:hover .history-cover img{transform:scale(1.08)}.live-history-card .history-play{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#1c191759;opacity:0;transition:opacity .3s ease}.live-history-card:hover .history-play{opacity:1}.live-history-card .history-play .play-circle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--edu-primary),var(--edu-accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;box-shadow:0 8px 24px #f59e0b80}.live-history-card .history-duration{position:absolute;bottom:8px;right:8px;padding:2px 8px;border-radius:6px;background:#1c1917c7;color:#fff;font-size:12px}.live-history-card .history-body{padding:16px}.live-history-card .history-title{color:var(--edu-text);font-size:16px;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.live-history-card .history-desc{color:var(--edu-text-2);font-size:13px;line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.live-history-card .history-footer{display:flex;justify-content:space-between;align-items:center;color:var(--edu-text-3);font-size:12px;padding-top:12px;border-top:1px solid var(--edu-border)}.live-history-card .history-instructor{color:var(--edu-primary-dark);font-weight:500}.live-filter-bar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:28px;padding:16px 20px;background:var(--edu-card);border:1px solid var(--edu-border);border-radius:14px;box-shadow:var(--edu-shadow)}.live-filter-bar .filter-spacer{flex:1}@keyframes liveFadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes livePulse{0%{box-shadow:0 0 #10b981b3}70%{box-shadow:0 0 0 10px #10b98100}to{box-shadow:0 0 #10b98100}}.live-badge-live .live-dot{animation-iteration-count:infinite}@media (max-width: 768px){.live-page{padding:12px}.live-hero{flex-direction:column;padding:24px;gap:24px}.live-hero-stage{flex:none;width:100%;order:-1}.live-hero-title{font-size:26px}.live-hero-subtitle{font-size:14px}.live-page .section-title{font-size:22px;margin:36px 0 8px}.live-page .section-title:before,.live-page .section-title:after{width:24px}.live-filter-bar{padding:12px;gap:10px}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;overflow:hidden}.auth-background{position:absolute;top:0;left:0;right:0;bottom:0;z-index:0}.auth-bg-blur{position:absolute;top:-50%;left:-50%;right:-50%;bottom:-50%;background:linear-gradient(135deg,#667eea,#764ba2);filter:blur(80px);opacity:.3;animation:authBgMove 20s infinite alternate}@keyframes authBgMove{0%{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-30%,-30%) rotate(10deg)}}.auth-bg-gradient{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea1a,#764ba21a)}.auth-card{position:relative;z-index:1;width:100%;max-width:440px;padding:40px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;box-shadow:0 8px 32px #0000001a}.auth-header{text-align:center;margin-bottom:32px}.auth-title{margin-bottom:8px!important;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-form{width:100%}.auth-footer{text-align:center;margin-top:16px}@media (max-width: 768px){.auth-card{padding:24px}}:root{--primary: #0ea5e9;--primary-dark: #0284c7;--primary-light: #38bdf8;--secondary: #14b8a6;--accent: #8b5cf6;--warning: #f59e0b;--success: #10b981;--error: #ef4444;--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius: .5rem;--radius-lg: .75rem}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{min-height:100vh;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6}.tech-header{background:var(--bg-secondary)!important;border-bottom:1px solid var(--border);box-shadow:var(--shadow);height:64px;position:sticky;top:0;z-index:1000}.logo{font-size:20px;font-weight:700;color:var(--primary);text-decoration:none}.ant-card{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);transition:all .3s ease;background:var(--bg-secondary)}.ant-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--primary-light)}.ant-btn-primary{background:var(--primary);border-color:var(--primary)}.ant-btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.ant-input,.ant-input-affix-wrapper{border:1px solid var(--border);border-radius:var(--radius)}.ant-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #0ea5e933}.ant-menu-item-selected{background:var(--primary)!important;color:#fff!important}.page-container{max-width:1200px;margin:0 auto;padding:24px}@media (max-width: 768px){.page-container{padding:16px}}.page-title{font-size:28px;font-weight:700;margin-bottom:8px}.page-subtitle{font-size:16px;color:var(--text-secondary)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}@media (max-width: 768px){.card-grid{grid-template-columns:1fr;gap:16px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease forwards}.tech-header{background:#fff!important;border-bottom:1px solid #e2e8f0!important}.tech-header *{color:#0f172a!important}