*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:16px;line-height:1.6;color:#333;background:linear-gradient(135deg,#fff5f0 0%,#ffffff 100%)}a{color:#ff6700;text-decoration:none;transition:color 0.3s ease}a:hover{color:#ff8c3a;text-decoration:underline}.site-nav{display:flex;flex-wrap:nowrap;justify-content:space-between;align-items:center;padding:1rem 2rem;background:linear-gradient(90deg,#ff6700 0%,#ff8c3a 100%);box-shadow:0 2px 8px rgba(255,103,0,0.3);position:sticky;top:0;z-index:1000}.site-nav .nav-logo a{font-size:1.8rem;font-weight:bold;color:#fff;text-decoration:none;text-shadow:0 2px 4px rgba(0,0,0,0.2);transition:transform 0.3s ease}.site-nav .nav-logo a:hover{transform:scale(1.05);text-decoration:none}.site-nav .nav-menu{display:flex;flex-wrap:nowrap;list-style:none;margin:0;padding:0;gap:1.5rem}.site-nav .nav-menu li{flex:1 1 0;min-width:0}.site-nav .nav-menu a{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;padding:0.5rem 1rem;color:#fff;font-weight:500;background:rgba(255,255,255,0.1);border-radius:20px;transition:background 0.3s ease,transform 0.3s ease}.site-nav .nav-menu a:hover{background:rgba(255,255,255,0.25);transform:translateY(-2px);text-decoration:none}@media (max-width:768px){.site-nav{padding:0.75rem 1rem}.site-nav .nav-logo a{font-size:1.3rem}.site-nav .nav-menu{gap:0.5rem}.site-nav .nav-menu a{padding:0.4rem 0.6rem;font-size:0.85rem}}.breadcrumb{padding:1rem 2rem;font-size:0.9rem;color:#666;background:#fff;border-bottom:1px solid #eee}.breadcrumb a{color:#ff6700;text-decoration:none;transition:color 0.3s ease}.breadcrumb a:hover{color:#ff8c3a;text-decoration:underline}.breadcrumb-sep{margin:0 0.5rem;color:#ccc}.breadcrumb-current{color:#333;font-weight:500}@media (max-width:768px){.breadcrumb{padding:0.75rem 1rem;font-size:0.85rem}}.container{max-width:1400px;margin:0 auto;padding:2rem}@media (max-width:768px){.container{padding:1rem}}.page-header{margin-bottom:3rem;text-align:center;padding:3rem 2rem;background:linear-gradient(135deg,#fff5f0 0%,#ffffff 100%);border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}.page-header h1{font-size:2.5rem;font-weight:bold;color:#ff6700;margin:0 0 1rem 0;text-shadow:0 2px 4px rgba(255,103,0,0.1)}.page-header p{font-size:1.1rem;color:#666;max-width:800px;margin:0 auto;line-height:1.8}.page-header .site-desc{font-size:1.15rem;margin-top:1rem}.notice{margin-top:1.5rem;padding:1rem;background:#fff3e0;border-left:4px solid #ff6700;border-radius:4px;font-size:0.95rem}@media (max-width:768px){.page-header{padding:2rem 1rem;margin-bottom:2rem}.page-header h1{font-size:1.8rem}.page-header p{font-size:1rem}}.intro-section{margin-bottom:3rem;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.intro-section h2{font-size:1.8rem;color:#ff6700;margin-top:0;margin-bottom:1rem;border-bottom:3px solid #ff6700;padding-bottom:0.5rem}.intro-section p{font-size:1rem;line-height:1.8;color:#555;margin-bottom:1rem}.video-section{margin-bottom:3rem}.video-section h2{font-size:1.8rem;color:#ff6700;margin-bottom:1.5rem;padding-bottom:0.75rem;border-bottom:3px solid #ff6700}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}@media (max-width:768px){.video-grid{grid-template-columns:repeat(2,1fr);gap:1rem}}@media (max-width:480px){.video-grid{grid-template-columns:1fr}}.video-card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,0.08);transition:transform 0.3s ease,box-shadow 0.3s ease;cursor:pointer}.video-card:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(255,103,0,0.2)}.video-card .card-title{font-size:1.2rem;font-weight:bold;margin:0 0 0.75rem 0}.video-card .card-title a{color:#333;text-decoration:none;transition:color 0.3s ease}.video-card .card-title a:hover{color:#ff6700;text-decoration:none}.video-card .card-meta{font-size:0.85rem;color:#999;margin:0 0 0.75rem 0}.video-card .card-oneline{font-size:0.95rem;color:#555;line-height:1.6;margin:0 0 0.75rem 0}.video-card .card-excerpt{font-size:0.9rem;color:#777;line-height:1.5;margin:0 0 0.75rem 0}.video-card .card-review{font-size:0.9rem;color:#888;font-style:italic;margin:0 0 0.75rem 0}.video-card .card-tags{display:flex;flex-wrap:wrap;gap:0.5rem}.tag{display:inline-block;padding:0.25rem 0.75rem;background:linear-gradient(135deg,#ff6700 0%,#ff8c3a 100%);color:#fff;font-size:0.8rem;border-radius:12px;white-space:nowrap;transition:transform 0.3s ease}.tag:hover{transform:scale(1.05)}.tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1rem 0}.video-detail{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 4px 12px rgba(0,0,0,0.08)}.video-detail header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:2px solid #eee}.video-detail h1{font-size:2.5rem;color:#ff6700;margin:0 0 1rem 0}.video-detail .meta{font-size:1rem;color:#999;margin:0 0 1rem 0}.video-detail section{margin-bottom:2rem}.video-detail h2{font-size:1.5rem;color:#ff6700;margin:0 0 1rem 0;border-left:4px solid #ff6700;padding-left:1rem}.video-detail p{font-size:1rem;line-height:1.8;color:#555}.video-detail .review{background:#fff5f0;padding:1.5rem;border-radius:8px;border-left:4px solid #ff6700}.video-detail .related{margin-top:3rem;padding-top:2rem;border-top:2px solid #eee}@media (max-width:768px){.video-detail{padding:1.5rem}.video-detail h1{font-size:1.8rem}.video-detail h2{font-size:1.3rem}}.site-footer{margin-top:4rem;padding:2rem;text-align:center;background:linear-gradient(90deg,#ff6700 0%,#ff8c3a 100%);color:#fff;box-shadow:0 -2px 8px rgba(255,103,0,0.2)}.site-footer p{margin:0;font-size:0.9rem}.ui-style-12{}.ui-style-12 .video-card{border:1px solid rgba(255,103,0,0.1)}.ui-style-12 .intro-section{border-left:4px solid #ff6700}@media (max-width:1200px){.container{max-width:100%}}@media (max-width:992px){.video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media (max-width:576px){body{font-size:14px}.page-header h1{font-size:1.5rem}.video-section h2{font-size:1.4rem}}