/* Full CSS Styles for Video Site *//* Reset and Base Styles */*{margin:0;padding:0;box-sizing:border-box;}html{font-size:16px;scroll-behavior:smooth;}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.6;color:#333;background:#f5f5f5;min-height:100vh;display:flex;flex-direction:column;}a{color:#0066cc;text-decoration:none;transition:color 0.3s;}a:hover{color:#0052a3;}img{max-width:100%;height:auto;display:block;}/* Container */.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}/* Header Styles */header{background:linear-gradient(135deg,#1a1a1a 0%,#2c2c2c 100%);color:#fff;padding:1rem 0;box-shadow:0 2px 8px rgba(0,0,0,0.15);position:sticky;top:0;z-index:1000;}.site-title{font-size:1.8rem;font-weight:bold;margin-bottom:0.5rem;background:linear-gradient(135deg,#fff 0%,#e0e0e0 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}/* Navigation */nav{display:flex;flex-wrap:nowrap;justify-content:space-between;gap:0.5rem;align-items:center;}nav a{color:#fff;text-decoration:none;padding:0.6rem 1.2rem;border-radius:6px;transition:all 0.3s;font-weight:500;white-space:nowrap;background:rgba(255,255,255,0.1);}nav a:hover{background:rgba(255,255,255,0.2);transform:translateY(-2px);}nav a:active{transform:translateY(0);}@media (max-width:767px){nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;} nav::-webkit-scrollbar{display:none;} nav a{flex-shrink:0;padding:0.5rem 0.8rem;font-size:0.9rem;} .site-title{font-size:1.4rem;}}/* Breadcrumb */.breadcrumb{background:#fff;padding:1rem;margin:1rem 0;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,0.1);font-size:0.9rem;}.breadcrumb a{color:#0066cc;text-decoration:none;}.breadcrumb a:hover{text-decoration:underline;}.breadcrumb span{color:#666;}/* Main Content */main{flex:1;padding:2rem 0;}/* Hero Section */.hero{background:linear-gradient(135deg,#fff 0%,#f8f9fa 100%);padding:3rem 2rem;border-radius:12px;margin-bottom:2rem;box-shadow:0 4px 12px rgba(0,0,0,0.08);text-align:center;}.hero h1{font-size:2.5rem;margin-bottom:1rem;color:#1a1a1a;line-height:1.3;}.hero .intro{font-size:1.1rem;color:#555;max-width:800px;margin:0 auto;}@media (max-width:767px){.hero h1{font-size:1.8rem;} .hero .intro{font-size:1rem;}}/* Section Styles */.section{margin-bottom:3rem;}.section h2{font-size:1.8rem;margin-bottom:1.5rem;color:#1a1a1a;padding-bottom:0.5rem;border-bottom:3px solid #0066cc;display:inline-block;}h1{font-size:2.2rem;margin-bottom:1.5rem;color:#1a1a1a;}h2{font-size:1.6rem;margin-bottom:1rem;color:#2c2c2c;}.intro{font-size:1rem;color:#666;line-height:1.8;margin-bottom:2rem;padding:1rem;background:#fff;border-radius:8px;border-left:4px solid #0066cc;}/* Other Pages Section */.other-pages{background:#fff3cd;padding:1.5rem;border-radius:8px;margin-bottom:2rem;border-left:4px solid #ffc107;}.other-pages p{margin-bottom:1rem;font-weight:500;}.other-pages ul{list-style:none;padding-left:0;}.other-pages li{margin-bottom:0.5rem;padding-left:1.5rem;position:relative;}.other-pages li:before{content:"→";position:absolute;left:0;color:#ffc107;font-weight:bold;}.other-pages a{color:#856404;font-weight:500;}.other-pages a:hover{color:#533f03;text-decoration:underline;}/* Video Grid */.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:2rem 0;}@media (max-width:767px){.video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;}}/* Video Card */.video-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.1);transition:all 0.3s ease;display:flex;flex-direction:column;}.video-card:hover{transform:translateY(-6px);box-shadow:0 6px 20px rgba(0,0,0,0.15);}.video-card-content{padding:1.2rem;flex:1;display:flex;flex-direction:column;}.video-card h3{font-size:1.15rem;margin-bottom:0.8rem;color:#1a1a1a;line-height:1.4;font-weight:600;}.video-card h3 a{color:#1a1a1a;text-decoration:none;}.video-card h3 a:hover{color:#0066cc;}.video-card p{font-size:0.9rem;color:#666;line-height:1.6;margin-bottom:0.5rem;flex:1;}.video-card .meta{font-size:0.85rem;color:#999;margin-top:auto;padding-top:0.8rem;border-top:1px solid #eee;}/* More Link */.more-link{text-align:center;margin-top:2rem;}.more-link a{display:inline-block;padding:0.8rem 2rem;background:#0066cc;color:#fff;border-radius:6px;font-weight:500;transition:all 0.3s;}.more-link a:hover{background:#0052a3;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,102,204,0.3);}/* Video Info Sections */.video-info,.video-summary,.video-review,.related-videos,.no-data{background:#fff;padding:2rem;margin-bottom:2rem;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,0.08);}.video-info ul{list-style:none;padding:0;}.video-info li{padding:0.8rem 0;border-bottom:1px solid #eee;}.video-info li:last-child{border-bottom:none;}.video-info strong{color:#1a1a1a;font-weight:600;display:inline-block;min-width:80px;}.video-summary p,.video-review p,.no-data p{line-height:1.8;color:#555;text-align:justify;}.no-data{text-align:center;padding:3rem 2rem;}.no-data p{font-size:1.1rem;margin-bottom:1rem;}/* Related Videos */.related-videos h2{margin-bottom:1.5rem;}/* Footer */footer{background:linear-gradient(135deg,#1a1a1a 0%,#2c2c2c 100%);color:#fff;text-align:center;padding:2rem 0;margin-top:auto;box-shadow:0 -2px 8px rgba(0,0,0,0.1);}footer p{margin:0;font-size:0.9rem;opacity:0.9;}/* Back to Top Button */.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:#0066cc;color:#fff;border:none;border-radius:50%;cursor:pointer;display:none;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 4px 12px rgba(0,102,204,0.4);transition:all 0.3s;z-index:999;}.back-to-top:hover{background:#0052a3;transform:translateY(-4px);}.back-to-top.visible{display:flex;}@media (max-width:767px){.back-to-top{width:45px;height:45px;bottom:20px;right:20px;}}/* Utility Classes */.text-center{text-align:center;}.mt-1{margin-top:1rem;}.mt-2{margin-top:2rem;}.mt-3{margin-top:3rem;}.mb-1{margin-bottom:1rem;}.mb-2{margin-bottom:2rem;}.mb-3{margin-bottom:3rem;}.pt-1{padding-top:1rem;}.pt-2{padding-top:2rem;}.pb-1{padding-bottom:1rem;}.pb-2{padding-bottom:2rem;}