.header{background:linear-gradient(135deg,var(--color-coffee-dark) 0%,var(--color-coffee-medium) 100%);color:var(--color-white);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-md)}.header-top{padding:var(--spacing-sm) 0}.header-content{display:flex;justify-content:space-between;align-items:center}.logo h1{font-size:1.5rem;color:var(--color-white);font-weight:700;letter-spacing:1px}.mobile-menu-btn{display:none;flex-direction:column;gap:4px;padding:8px;background:none;border:none;cursor:pointer}.mobile-menu-btn span{width:25px;height:3px;background:var(--color-white);border-radius:2px;transition:var(--transition-fast)}.nav{display:flex;gap:var(--spacing-lg)}.nav a{color:var(--color-white);font-weight:500;padding:8px 16px;border-radius:var(--border-radius-sm);transition:var(--transition-fast)}.nav a:hover{background:#ffffff1a}.header-categories{background:#0003;padding:var(--spacing-sm) 0;overflow-x:auto}.categories-scroll{display:flex;gap:var(--spacing-sm);padding:4px 0;white-space:nowrap}.categories-scroll::-webkit-scrollbar{height:4px}.categories-scroll::-webkit-scrollbar-track{background:#ffffff1a}.categories-scroll::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:2px}.category-chip{padding:6px 16px;background:#ffffff1a;border-radius:20px;color:var(--color-white);font-size:.9rem;transition:var(--transition-fast);border:1px solid transparent}.category-chip:hover{background:#fff3;border-color:var(--color-caramel);transform:translateY(-2px)}@media (max-width: 768px){.mobile-menu-btn{display:flex}.nav{position:absolute;top:100%;left:0;right:0;background:var(--color-coffee-dark);flex-direction:column;padding:var(--spacing-md);gap:var(--spacing-sm);display:none;box-shadow:var(--shadow-lg)}.nav.active{display:flex}.logo h1{font-size:1.2rem}.header-categories{padding:var(--spacing-xs) 0}}.footer{background:linear-gradient(135deg,var(--color-coffee-dark) 0%,#2c1810 100%);color:var(--color-white);padding:var(--spacing-xxl) 0 var(--spacing-md);margin-top:var(--spacing-xxl)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.footer-section h3{color:var(--color-caramel);margin-bottom:var(--spacing-md);font-size:1.2rem}.footer-section p{color:#fffc;line-height:1.8}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:var(--spacing-xs)}.footer-section ul li a{color:#ffffffb3;transition:var(--transition-fast);display:inline-block}.footer-section ul li a:hover{color:var(--color-caramel);transform:translate(5px)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--spacing-md);text-align:center}.footer-bottom p{color:#fff9;font-size:.9rem;margin:4px 0}@media (max-width: 768px){.footer{padding:var(--spacing-lg) 0 var(--spacing-sm)}.footer-content{grid-template-columns:1fr;gap:var(--spacing-lg)}}.video-card{display:block;background:var(--color-white);border-radius:var(--border-radius-md);overflow:hidden;box-shadow:var(--shadow-md);transition:all var(--transition-normal);height:100%}.video-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}.video-card-image{position:relative;padding-top:56.25%;overflow:hidden;background:linear-gradient(135deg,var(--color-mocha),var(--color-coffee-light))}.video-card-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.video-card:hover .video-card-image img{transform:scale(1.1)}.video-overlay{position:absolute;bottom:0;left:0;right:0;padding:var(--spacing-sm);background:linear-gradient(to top,rgba(0,0,0,.8),transparent);display:flex;justify-content:space-between;align-items:center}.video-duration,.video-rating{background:#0009;color:var(--color-white);padding:4px 8px;border-radius:4px;font-size:.85rem;font-weight:500;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.video-card-content{padding:var(--spacing-md)}.video-title{font-size:1.1rem;font-weight:600;color:var(--color-coffee-dark);margin-bottom:var(--spacing-xs);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-description{color:var(--color-text-light);font-size:.9rem;margin-bottom:var(--spacing-sm);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.video-meta{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.video-category{background:linear-gradient(135deg,var(--color-chocolate),var(--color-mocha));color:var(--color-white);padding:4px 12px;border-radius:12px;font-size:.8rem;font-weight:500}.video-views{color:var(--color-text-light);font-size:.85rem}.video-card-featured{grid-column:span 2}.video-card-featured .video-card-content{padding:var(--spacing-lg)}.video-card-featured .video-title{font-size:1.5rem}.video-card-featured .video-description{font-size:1rem;-webkit-line-clamp:3}@media (max-width: 768px){.video-card-featured{grid-column:span 1}.video-card-content{padding:var(--spacing-sm)}.video-title{font-size:1rem}.video-description{font-size:.85rem}}.home{min-height:100vh}.hero-section{background:linear-gradient(135deg,var(--color-chocolate) 0%,var(--color-coffee-medium) 50%,var(--color-mocha) 100%);color:var(--color-white);padding:var(--spacing-xxl) 0;text-align:center;position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle,rgba(255,255,255,.1) 1px,transparent 1px);background-size:50px 50px;opacity:.3}.hero-content{position:relative;z-index:1}.hero-title{font-size:3rem;margin-bottom:var(--spacing-md);color:var(--color-white);text-shadow:2px 2px 4px rgba(0,0,0,.3)}.hero-subtitle{font-size:1.3rem;margin-bottom:var(--spacing-xl);opacity:.95}.hero-stats{display:flex;justify-content:center;gap:var(--spacing-xl);flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.stat-number{font-size:2.5rem;font-weight:700;color:var(--color-caramel)}.stat-label{font-size:1rem;opacity:.9}.featured-section{background:linear-gradient(to bottom,rgba(245,245,220,.3),transparent)}.featured-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:var(--spacing-lg)}.trending-section{background:var(--color-bg)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg)}.latest-section{background:linear-gradient(135deg,#d4a5741a,#8d6e631a)}.latest-timeline{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg)}.timeline-item{position:relative}.timeline-marker{position:absolute;top:-10px;left:-10px;width:35px;height:35px;background:linear-gradient(135deg,var(--color-accent),var(--color-chocolate));color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;z-index:10;box-shadow:var(--shadow-md)}.rated-section{background:var(--color-bg)}.rated-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-lg)}.rated-card{position:relative}.rank-badge{position:absolute;top:-12px;right:-12px;width:50px;height:50px;background:linear-gradient(135deg,gold,#ffed4e);color:var(--color-chocolate);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem;z-index:10;box-shadow:var(--shadow-lg);border:3px solid var(--color-white)}.category-showcase{background:linear-gradient(to right,#6f4e370d,#8d6e630d);padding:var(--spacing-xxl) 0}.showcase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:var(--spacing-xxl)}.showcase-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-md)}@media (max-width: 1024px){.hero-title{font-size:2.5rem}.featured-grid{grid-template-columns:1fr}.showcase-grid{grid-template-columns:1fr;gap:var(--spacing-xl)}}@media (max-width: 768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1.1rem}.stat-number{font-size:2rem}.video-grid,.latest-timeline,.rated-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-md)}.showcase-list{grid-template-columns:1fr}}@media (max-width: 480px){.hero-title{font-size:1.5rem}.hero-stats{gap:var(--spacing-md)}.video-grid,.latest-timeline,.rated-grid,.showcase-list{grid-template-columns:1fr}}.video-detail{padding:var(--spacing-xl) 0;min-height:100vh}.video-main{max-width:1200px;margin:0 auto}.video-player-wrapper{position:relative;width:100%;background:#000;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-xl);margin-bottom:var(--spacing-lg)}.video-player{width:100%;aspect-ratio:16 / 9;background:#000}.video-loading,.video-error{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;color:var(--color-white);font-size:1.2rem;background:linear-gradient(135deg,var(--color-coffee-dark),var(--color-coffee-medium))}.video-error{background:linear-gradient(135deg,#8b0000,#b22222)}.video-info{background:var(--color-white);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md)}.video-detail-title{font-size:2rem;color:var(--color-coffee-dark);margin-bottom:var(--spacing-md);line-height:1.3}.video-detail-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-cream)}.detail-category{background:linear-gradient(135deg,var(--color-chocolate),var(--color-mocha));color:var(--color-white);padding:6px 16px;border-radius:20px;font-weight:600}.detail-rating,.detail-views,.detail-duration{color:var(--color-text-light);font-size:.95rem;display:flex;align-items:center;gap:4px}.detail-rating{color:orange;font-weight:600}.video-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg)}.video-tag{background:var(--color-cream);color:var(--color-chocolate);padding:4px 12px;border-radius:12px;font-size:.85rem;font-weight:500}.video-description-box,.video-review-box{background:linear-gradient(135deg,#f5f5dc4d,#d4a5741a);padding:var(--spacing-md);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-md);border-left:4px solid var(--color-chocolate)}.video-description-box h3,.video-review-box h3{color:var(--color-chocolate);margin-bottom:var(--spacing-sm);font-size:1.2rem}.video-description-box p,.video-review-box p{color:var(--color-text);line-height:1.8;font-size:1rem}.related-videos{margin-top:var(--spacing-xxl)}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg)}@media (max-width: 768px){.video-detail{padding:var(--spacing-md) 0}.video-info{padding:var(--spacing-md)}.video-detail-title{font-size:1.5rem}.video-detail-meta{flex-direction:column;gap:var(--spacing-xs)}.related-grid{grid-template-columns:1fr}}.category-page{min-height:100vh}.category-header{background:linear-gradient(135deg,var(--color-chocolate),var(--color-coffee-medium));color:var(--color-white);padding:var(--spacing-xxl) 0 var(--spacing-xl);text-align:center}.category-title{font-size:2.5rem;color:var(--color-white);margin-bottom:var(--spacing-sm)}.category-count{font-size:1.1rem;opacity:.9}.category-grid{padding:var(--spacing-xl) 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg)}.no-results{text-align:center;padding:var(--spacing-xxl);color:var(--color-text-light);font-size:1.2rem}@media (max-width: 768px){.category-title{font-size:2rem}.category-grid{grid-template-columns:1fr;padding:var(--spacing-md) 0}}.info-page{min-height:100vh}.info-header{background:linear-gradient(135deg,var(--color-chocolate) 0%,var(--color-coffee-medium) 100%);color:var(--color-white);padding:var(--spacing-xxl) 0;text-align:center;position:relative;overflow:hidden}.info-header:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle,rgba(255,255,255,.1) 1px,transparent 1px);background-size:40px 40px;opacity:.3}.info-header h1{position:relative;font-size:2.5rem;color:var(--color-white);margin-bottom:var(--spacing-sm);text-shadow:2px 2px 4px rgba(0,0,0,.2)}.info-header p{position:relative;font-size:1.2rem;opacity:.9}.info-content{padding:var(--spacing-xxl) 0;max-width:900px;margin:0 auto}.info-section{margin-bottom:var(--spacing-xxl)}.info-section h2{font-size:2rem;color:var(--color-coffee-dark);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:3px solid var(--color-caramel)}.info-card{background:var(--color-white);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);margin-bottom:var(--spacing-md)}.info-card h3{color:var(--color-chocolate);font-size:1.4rem;margin-bottom:var(--spacing-md)}.info-card h4{color:var(--color-coffee-medium);font-size:1.1rem;margin-top:var(--spacing-md);margin-bottom:var(--spacing-sm)}.info-card p{color:var(--color-text);line-height:1.8;margin-bottom:var(--spacing-sm)}.info-card ul,.info-card ol{margin-left:var(--spacing-lg);margin-bottom:var(--spacing-md)}.info-card li{color:var(--color-text);line-height:1.8;margin-bottom:var(--spacing-xs)}.info-card strong{color:var(--color-coffee-dark);font-weight:600}.faq-item{background:linear-gradient(135deg,#f5f5dc4d,#d4a5741a);padding:var(--spacing-md);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-md);border-left:4px solid var(--color-chocolate)}.faq-item h4{color:var(--color-chocolate);margin-top:0}.timeline{position:relative;padding-left:40px}.timeline:before{content:"";position:absolute;left:10px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--color-chocolate),var(--color-caramel))}.timeline-item{position:relative;margin-bottom:var(--spacing-xl)}.timeline-item:before{content:"";position:absolute;left:-35px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--color-chocolate);border:3px solid var(--color-white);box-shadow:0 0 0 3px var(--color-caramel)}.timeline-date{font-weight:700;color:var(--color-chocolate);margin-bottom:var(--spacing-xs);font-size:1.1rem}.timeline-content h4{color:var(--color-coffee-dark);margin-bottom:var(--spacing-xs)}.timeline-content p{color:var(--color-text-light)}.team-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.value-item{text-align:center;padding:var(--spacing-md);background:linear-gradient(135deg,#f5f5dc80,#d4a57433);border-radius:var(--border-radius-md);transition:transform var(--transition-fast)}.value-item:hover{transform:translateY(-5px)}.value-item h4{color:var(--color-chocolate);font-size:1.3rem;margin-bottom:var(--spacing-sm)}.value-item p{color:var(--color-text-light);font-size:.95rem}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin:var(--spacing-lg) 0}.contact-item{background:var(--color-cream);padding:var(--spacing-md);border-radius:var(--border-radius-md);text-align:center}.contact-item h4{color:var(--color-chocolate);margin-top:0;margin-bottom:var(--spacing-xs)}.contact-item p{color:var(--color-coffee-medium);font-weight:500;word-break:break-all}.cta-section{background:linear-gradient(135deg,var(--color-chocolate),var(--color-coffee-medium));color:var(--color-white);padding:var(--spacing-xl);border-radius:var(--border-radius-lg);text-align:center;margin-top:var(--spacing-xxl)}.cta-section h3{color:var(--color-white);font-size:1.8rem;margin-bottom:var(--spacing-sm)}.cta-section p{font-size:1.1rem;opacity:.95}.update-notice{text-align:center;padding:var(--spacing-md);background:var(--color-cream);border-radius:var(--border-radius-md);margin-top:var(--spacing-lg)}.update-notice p{color:var(--color-text-light);margin:0}@media (max-width: 768px){.info-header h1{font-size:2rem}.info-header p{font-size:1rem}.info-content{padding:var(--spacing-lg) 0}.info-section h2{font-size:1.5rem}.info-card{padding:var(--spacing-md)}.team-values,.contact-grid{grid-template-columns:1fr}.timeline{padding-left:30px}}*{margin:0;padding:0;box-sizing:border-box}:root{--color-coffee-dark: #3e2723;--color-coffee-medium: #5d4037;--color-coffee-light: #795548;--color-cream: #f5f5dc;--color-mocha: #8d6e63;--color-chocolate: #6f4e37;--color-caramel: #d4a574;--color-white: #ffffff;--color-bg: #faf8f5;--color-text: #2c2c2c;--color-text-light: #666;--color-accent: #ff6b35;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-xxl: 4rem;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .2);--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}html{scroll-behavior:smooth}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif,Microsoft YaHei,PingFang SC,Hiragino Sans GB;line-height:1.6;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;min-height:100vh}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent)}img{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;transition:all var(--transition-fast)}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600;color:var(--color-coffee-dark)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-md)}.section{padding:var(--spacing-xl) 0}.section-title{text-align:center;margin-bottom:var(--spacing-xl);font-size:2.5rem;color:var(--color-coffee-dark);position:relative}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background:linear-gradient(90deg,var(--color-chocolate),var(--color-caramel));border-radius:2px}@media (max-width: 1024px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}.section{padding:var(--spacing-lg) 0}.section-title{font-size:2rem;margin-bottom:var(--spacing-lg)}}@media (max-width: 768px){h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--spacing-sm)}.section{padding:var(--spacing-md) 0}.section-title{font-size:1.75rem;margin-bottom:var(--spacing-md)}}@media (max-width: 480px){:root{--spacing-xl: 2rem;--spacing-xxl: 2.5rem}h1{font-size:1.5rem}h2{font-size:1.25rem}.section-title{font-size:1.5rem}}