*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Noto Sans CJK SC",sans-serif;line-height:1.6;color:#333;background:#f8f9fa}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:1rem}h1{font-size:2rem}h2{font-size:1.5rem;margin-top:2rem}h3{font-size:1.2rem}a{color:#0066cc;text-decoration:none;transition:color 0.2s}a:hover{color:#004999;text-decoration:underline}nav{background:#ffffff;box-shadow:0 2px 8px rgba(0,0,0,0.08);position:sticky;top:0;z-index:1000}nav ul{list-style:none;display:flex;flex-wrap:nowrap;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0}nav li{flex:1 1 0;min-width:0;text-align:center}nav a{display:block;padding:1.2rem 1rem;color:#333;text-decoration:none;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all 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a:hover{color:#cc1f1a}body.ui-style-3 .video-card:hover{border-color:#e3342f}body.ui-style-3 .btn{background:#e3342f}body.ui-style-3 .btn:hover{background:#cc1f1a}.content-section{margin-bottom:3rem}.content-section h2{color:#222;border-left:4px solid #e3342f;padding-left:1rem;margin-bottom:1.5rem}.notice{background:#fff3cd;border:1px solid #ffc107;border-left:4px solid #ffc107;padding:1.5rem;border-radius:6px;margin-bottom:2rem}.notice strong{color:#856404}.notice ul{margin-top:1rem;margin-left:1.5rem}.notice li{margin-bottom:0.5rem}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.video-card{background:#fff;border:2px solid #e0e0e0;border-radius:8px;padding:1.5rem;transition:all 0.3s;position:relative}.video-card:hover{border-color:#e3342f;box-shadow:0 4px 12px rgba(227,52,47,0.2);transform:translateY(-4px)}.video-card h3{font-size:1.2rem;margin-bottom:0.5rem}.video-card h3 a{color:#222}.video-card h3 a:hover{color:#e3342f;text-decoration:none}.video-card .meta{font-size:0.9rem;color:#666;margin-bottom:0.8rem}.video-card .one-line{color:#555;margin-bottom:0.8rem;line-height:1.6}.video-card .summary{font-size:0.9rem;color:#777;margin-bottom:0.8rem;line-height:1.6}.video-card .review{font-size:0.85rem;color:#888;font-style:italic;margin-bottom:0.8rem;border-left:3px solid #ddd;padding-left:0.8rem}.video-card .tags{font-size:0.85rem;color:#999;display:flex;flex-wrap:wrap;gap:0.5rem}.video-card .rank{position:absolute;top:1rem;right:1rem;background:#e3342f;color:#fff;padding:0.3rem 0.6rem;border-radius:4px;font-weight:bold;font-size:0.9rem}.nav-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.nav-card{background:#fff;border:2px solid #e0e0e0;border-radius:8px;padding:2rem;text-align:center;transition:all 0.3s;display:block;text-decoration:none}.nav-card:hover{border-color:#e3342f;box-shadow:0 6px 16px rgba(227,52,47,0.2);transform:translateY(-4px);text-decoration:none}.nav-card h3{color:#222;font-size:1.3rem;margin-bottom:0.8rem}.nav-card p{color:#666;line-height:1.6}.nav-card:hover h3{color:#e3342f}.detail-page{background:#fff;border-radius:12px;padding:2.5rem;box-shadow:0 2px 8px rgba(0,0,0,0.08)}.detail-header h1{font-size:2.5rem;color:#222;margin-bottom:1rem}.detail-meta{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem;font-size:1rem;color:#666}.detail-meta span{padding:0.4rem 0.8rem;background:#f5f5f5;border-radius:4px}.tags-large{font-size:0.95rem;color:#999;line-height:1.8}.detail-section{margin-top:2.5rem}.detail-section h2{font-size:1.5rem;color:#333;border-left:4px solid #e3342f;padding-left:1rem;margin-bottom:1rem}.highlight{font-size:1.2rem;color:#e3342f;font-weight:500;line-height:1.8;padding:1rem;background:#fff5f5;border-left:4px solid #e3342f;border-radius:4px}.summary-text{font-size:1.05rem;color:#444;line-height:1.9;text-align:justify}.review-text{font-size:1rem;color:#555;line-height:1.8;font-style:italic;padding:1.5rem;background:#f9f9f9;border-left:4px solid #ccc;border-radius:4px;margin:0}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.related-card{background:#f9f9f9;border:1px solid #e0e0e0;border-radius:6px;padding:1.2rem;transition:all 0.3s}.related-card:hover{background:#fff;border-color:#e3342f;box-shadow:0 4px 10px rgba(227,52,47,0.15)}.related-card h3{font-size:1.1rem;margin-bottom:0.6rem}.related-card h3 a{color:#333}.related-card h3 a:hover{color:#e3342f}.related-card .one-line{font-size:0.9rem;color:#666;line-height:1.6;margin-bottom:0.5rem}.related-card .meta{font-size:0.85rem;color:#999}.error-page,.error-notice{text-align:center;padding:4rem 2rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,0.08)}.error-page h1,.error-notice h1{font-size:3rem;color:#e3342f;margin-bottom:1rem}.error-page p,.error-notice p{font-size:1.1rem;color:#666;margin-bottom:2rem}.back-links{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.btn{display:inline-block;padding:0.8rem 2rem;background:#e3342f;color:#fff;text-decoration:none;border-radius:6px;font-weight:500;transition:all 0.3s}.btn:hover{background:#cc1f1a;transform:translateY(-2px);box-shadow:0 4px 12px rgba(227,52,47,0.3);text-decoration:none;color:#fff}@media (max-width:768px){.container{padding:1rem}nav ul{justify-content:space-between}nav li{flex:1 1 0;min-width:0}nav a{padding:0.9rem 0.4rem;font-size:0.85rem}.page-header{padding:2rem 1.5rem}.page-header h1{font-size:1.8rem}.page-header p{font-size:1rem}.video-grid{grid-template-columns:1fr}.nav-links{grid-template-columns:1fr}.detail-page{padding:1.5rem}.detail-header h1{font-size:1.8rem}.related-grid{grid-template-columns:1fr}h1{font-size:1.5rem}h2{font-size:1.3rem}h3{font-size:1.1rem}}@media (max-width:480px){nav a{padding:0.8rem 0.3rem;font-size:0.8rem}.page-header{padding:1.5rem 1rem}.page-header h1{font-size:1.5rem}.breadcrumb{font-size:0.8rem}.video-card{padding:1rem}.detail-page{padding:1rem}}