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0}.video-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}.video-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md)}.video-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md)}.video-grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--spacing-md)}.video-list-horizontal{display:grid;gap:var(--spacing-md)}.category-tabs{display:flex;justify-content:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.category-tab{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-white);color:var(--text-secondary);border-radius:24px;font-weight:500;transition:var(--transition);box-shadow:var(--shadow-sm)}.category-tab:hover{background:var(--secondary-color);color:var(--primary-color);transform:translateY(-2px)}.category-tab.active{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:var(--bg-white);box-shadow:var(--shadow-md)}@media(max-width:1200px){.video-grid-5{grid-template-columns:repeat(4,1fr)}}@media(max-width:1024px){.hero-content{grid-template-columns:1fr;min-height:auto}.hero-title{font-size:2.5rem}.video-grid-4,.video-grid-5{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.hero-title{font-size:2rem}.hero-description{font-size:1rem}.section-title{font-size:1.5rem}.video-grid-2{grid-template-columns:1fr}.video-grid-3,.video-grid-4,.video-grid-5{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.hero-content{padding:var(--spacing-md)}.hero-title{font-size:1.5rem}.section-title{font-size:1.25rem}.video-grid-2,.video-grid-3,.video-grid-4,.video-grid-5{grid-template-columns:1fr}}.video-detail-page{padding:var(--spacing-lg) 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var(--border-light);flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:var(--spacing-xs)}.stat-icon{font-size:1.2rem}.stat-text{color:var(--text-secondary);font-size:.95rem}.video-tags{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.tag-item{padding:6px var(--spacing-sm);background:var(--secondary-color);color:var(--primary-color);border-radius:16px;font-size:.85rem;font-weight:500;transition:var(--transition)}.tag-item:hover{background:var(--primary-color);color:var(--bg-white);transform:translateY(-2px)}.video-description-section,.video-review-section{margin-bottom:var(--spacing-lg)}.section-heading{font-size:1.3rem;color:var(--text-primary);margin-bottom:var(--spacing-sm);display:flex;align-items:center;gap:var(--spacing-xs)}.section-heading:before{content:"";width:4px;height:24px;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));border-radius:2px}.video-description-text{color:var(--text-secondary);line-height:1.8;font-size:1rem}.review-content{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md);background:linear-gradient(135deg,var(--bg-cream) 0%,var(--secondary-color) 100%);border-radius:16px;border-left:4px solid var(--primary-color)}.review-icon{font-size:2rem;flex-shrink:0}.review-text{color:var(--text-secondary);line-height:1.8;font-size:.95rem}.related-videos-section{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--bg-white);border-radius:20px;box-shadow:var(--shadow-sm)}.related-title{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-xs)}.title-icon{font-size:1.8rem}.related-videos-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md)}@media(max-width:1024px){.related-videos-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.video-title-main{font-size:1.5rem}.video-stats{gap:var(--spacing-sm)}.related-videos-grid{grid-template-columns:repeat(2,1fr)}.video-info-section{padding:var(--spacing-md)}.review-content{flex-direction:column}}@media(max-width:480px){.video-title-main,.related-title{font-size:1.25rem}.related-videos-grid{grid-template-columns:1fr}.video-stats{flex-direction:column;gap:var(--spacing-xs)}.section-heading{font-size:1.1rem}}.category-page{padding:var(--spacing-xl) 0;min-height:100vh}.page-header{text-align:center;margin-bottom:var(--spacing-xl);padding:var(--spacing-lg);background:linear-gradient(135deg,var(--secondary-color) 0%,var(--bg-cream) 100%);border-radius:20px}.page-title{font-size:2.5rem;color:var(--text-primary);margin-bottom:var(--spacing-xs);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.title-decoration{font-size:2rem;animation:sparkle 2s ease-in-out infinite}@keyframes sparkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.2)}}.page-subtitle{font-size:1.1rem;color:var(--text-secondary)}.videos-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md)}.no-results{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.no-results-icon{font-size:4rem;display:block;margin-bottom:var(--spacing-sm);opacity:.5}@media(max-width:1024px){.videos-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.page-title{font-size:2rem}.videos-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.page-title{font-size:1.5rem;flex-direction:column;gap:var(--spacing-xs)}.videos-grid{grid-template-columns:1fr}}.search-page{padding:var(--spacing-xl) 0;min-height:100vh}.search-header{text-align:center;margin-bottom:var(--spacing-xl);padding:var(--spacing-lg);background:linear-gradient(135deg,#fff8f0,#fed);border-radius:20px}.search-title{font-size:2rem;color:var(--text-primary);margin-bottom:var(--spacing-sm);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.search-icon{font-size:2rem}.search-query{font-size:1.2rem;color:var(--primary-color);font-weight:600;margin-bottom:var(--spacing-xs)}.search-count{font-size:1rem;color:var(--text-secondary)}.search-results{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md)}.no-results{text-align:center;padding:var(--spacing-xl);background:var(--bg-white);border-radius:20px;box-shadow:var(--shadow-sm)}.no-results-icon{font-size:5rem;display:block;margin-bottom:var(--spacing-md)}.no-results h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.no-results p{color:var(--text-secondary)}@media(max-width:1024px){.search-results{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.search-title{font-size:1.5rem}.search-results{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.search-title{font-size:1.25rem}.search-results{grid-template-columns:1fr}}.info-page{padding:var(--spacing-xl) 0;min-height:100vh}.info-header{text-align:center;margin-bottom:var(--spacing-xl);padding:var(--spacing-xl);background:linear-gradient(135deg,var(--secondary-color) 0%,var(--bg-cream) 100%);border-radius:20px}.info-title{font-size:2.5rem;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.title-underline{width:100px;height:4px;background:linear-gradient(90deg,transparent,var(--primary-color),transparent);margin:0 auto}.info-content{background:var(--bg-white);border-radius:20px;padding:var(--spacing-xl);box-shadow:var(--shadow-md)}.info-section{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--border-light)}.info-section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.section-title{font-size:1.8rem;color:var(--primary-color);margin-bottom:var(--spacing-md);position:relative;padding-left:var(--spacing-sm)}.section-title:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:28px;background:linear-gradient(180deg,var(--primary-color),var(--accent-color));border-radius:2px}.section-content{color:var(--text-secondary);line-height:1.8}.section-paragraph{margin-bottom:var(--spacing-sm);text-align:justify}.section-paragraph:empty{margin-bottom:0}.section-paragraph:last-child{margin-bottom:0}@media(max-width:768px){.info-title{font-size:2rem}.section-title{font-size:1.5rem}.info-content,.info-header{padding:var(--spacing-md)}}@media(max-width:480px){.info-title{font-size:1.5rem}.section-title{font-size:1.25rem}.section-paragraph{text-align:left}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #d4a574;--secondary-color: #f5e6d3;--accent-color: #c89b6d;--text-primary: #2c2c2c;--text-secondary: #666;--text-light: #999;--bg-white: #ffffff;--bg-light: #faf8f5;--bg-cream: #f9f6f2;--border-light: #e8e4de;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--transition: all .3s ease;--spacing-xs: 8px;--spacing-sm: 16px;--spacing-md: 24px;--spacing-lg: 32px;--spacing-xl: 48px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{scroll-behavior:smooth}a{text-decoration:none;color:inherit;transition:var(--transition)}img{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;transition:var(--transition)}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-md)}@media(max-width:768px){:root{--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--spacing-sm)}}@media(max-width:480px){h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}}