:root{--primary-blue:#00A1D6;--secondary-pink:#FB7299;--bg-white:#ffffff;--bg-light:#f5f7fa;--text-dark:#333333;--text-gray:#666666;--text-light:#999999;--border-color:#e0e0e0;--shadow-sm:0 2px 8px rgba(0,0,0,0.08);--shadow-md:0 4px 16px rgba(0,0,0,0.12);--radius-sm:8px;--radius-md:12px;--radius-lg:16px}body{background:var(--bg-light);transition:background 0.3s ease}.site-nav{box-shadow:var(--shadow-sm)}.logo{background:linear-gradient(135deg,var(--primary-blue),var(--secondary-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:transform 0.2s ease}.logo:hover{transform:scale(1.05)}.nav-menu a{color:var(--text-dark);transition:color 0.2s ease,transform 0.2s ease;position:relative;padding:0.5rem 0}.nav-menu a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary-blue),var(--secondary-pink));transition:width 0.3s ease}.nav-menu a:hover{color:var(--primary-blue);text-decoration:none}.nav-menu a:hover::after{width:100%}main{max-width:1200px;margin:0 auto;padding:2rem 1rem}.breadcrumb{padding:1rem 0;font-size:0.9rem;color:var(--text-gray)}.breadcrumb a{color:var(--primary-blue);transition:color 0.2s ease}.breadcrumb a:hover{color:var(--secondary-pink)}.hero{text-align:center;padding:3rem 1rem;background:linear-gradient(135deg,rgba(0,161,214,0.1),rgba(251,114,153,0.1));border-radius:var(--radius-lg);margin-bottom:2rem}.hero h1{font-size:2rem;color:var(--text-dark);margin-bottom:1rem;font-weight:600;line-height:1.4}.intro{background:var(--bg-white);padding:2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:2rem;line-height:1.8;color:var(--text-gray)}section{margin-bottom:3rem}section h2{font-size:1.5rem;color:var(--text-dark);margin-bottom:1.5rem;font-weight:600;position:relative;padding-left:1rem}section h2::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:1.2em;background:linear-gradient(180deg,var(--primary-blue),var(--secondary-pink));border-radius:2px}.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:1fr}.hero h1{font-size:1.5rem}main{padding:1rem 0.5rem}}.video-card{background:var(--bg-white);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm);transition:transform 0.2s ease,box-shadow 0.2s ease;position:relative;overflow:hidden}.video-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-blue),var(--secondary-pink));transform:scaleX(0);transition:transform 0.3s ease}.video-card:hover::before{transform:scaleX(1)}.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.video-card h3{font-size:1.1rem;margin-bottom:0.75rem;color:var(--text-dark);font-weight:600;line-height:1.4}.video-card h3 a{color:inherit;transition:color 0.2s ease}.video-card h3 a:hover{color:var(--primary-blue);text-decoration:none}.card-meta{font-size:0.85rem;color:var(--text-light);margin-bottom:0.75rem}.card-desc{font-size:0.95rem;color:var(--text-gray);line-height:1.6;margin-bottom:0.5rem}.card-extra,.card-review{font-size:0.9rem;color:var(--text-light);line-height:1.5;margin-top:0.5rem;padding-top:0.5rem;border-top:1px dashed var(--border-color)}.card-review{font-style:italic;color:var(--secondary-pink)}.rank-num,.item-num{display:inline-block;background:linear-gradient(135deg,var(--primary-blue),var(--secondary-pink));color:white;padding:0.25rem 0.75rem;border-radius:var(--radius-sm);font-size:0.85rem;font-weight:bold;margin-bottom:0.75rem}.entry-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.entry-card{background:var(--bg-white);padding:2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);text-align:center;transition:all 0.3s ease;border:2px solid transparent}.entry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary-blue);text-decoration:none}.entry-card h3{color:var(--primary-blue);font-size:1.2rem;margin-bottom:0.75rem;transition:color 0.2s ease}.entry-card:hover h3{color:var(--secondary-pink)}.entry-card p{color:var(--text-gray);font-size:0.9rem}.notice-box{background:linear-gradient(135deg,rgba(0,161,214,0.05),rgba(251,114,153,0.05));border-left:4px solid var(--primary-blue);padding:1.5rem;border-radius:var(--radius-md);margin-bottom:2rem}.notice-box p{color:var(--text-gray);margin-bottom:1rem;font-weight:500}.notice-box ul{list-style:none;padding-left:1rem}.notice-box li{margin-bottom:0.5rem}.notice-box a{color:var(--primary-blue);font-weight:500;transition:color 0.2s ease}.notice-box a:hover{color:var(--secondary-pink)}.list-header{text-align:center;padding:2rem 1rem;margin-bottom:2rem}.list-header h1{font-size:2rem;color:var(--text-dark);margin-bottom:1rem;font-weight:600}.list-header p{color:var(--text-gray);font-size:1rem;line-height:1.6}.detail-content{background:var(--bg-white);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-sm)}.detail-header{border-bottom:2px solid var(--border-color);padding-bottom:1.5rem;margin-bottom:2rem}.detail-header h1{font-size:2rem;color:var(--text-dark);margin-bottom:1rem;font-weight:600}.detail-meta{font-size:0.95rem;color:var(--text-gray);margin-bottom:0.75rem}.detail-tags{font-size:0.9rem;color:var(--text-light)}.detail-oneline,.detail-summary,.detail-review,.detail-related{margin-bottom:2rem}.detail-oneline h2,.detail-summary h2,.detail-review h2,.detail-related h2{font-size:1.3rem;margin-bottom:1rem;color:var(--text-dark);font-weight:600}.detail-oneline p{font-size:1.1rem;color:var(--primary-blue);font-weight:500;line-height:1.6;padding:1rem;background:linear-gradient(135deg,rgba(0,161,214,0.05),rgba(251,114,153,0.05));border-radius:var(--radius-md);border-left:4px solid var(--primary-blue)}.detail-summary p{font-size:1rem;color:var(--text-gray);line-height:1.8;text-align:justify}.detail-review p{font-size:0.95rem;color:var(--text-gray);line-height:1.8;font-style:italic;padding:1rem;background:rgba(251,114,153,0.05);border-radius:var(--radius-md);border-left:4px solid var(--secondary-pink)}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.related-card{background:var(--bg-light);padding:1rem;border-radius:var(--radius-sm);transition:all 0.2s ease}.related-card:hover{background:var(--bg-white);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.related-card h4{font-size:0.95rem;margin-bottom:0.5rem;font-weight:600;color:var(--text-dark)}.related-card h4 a{color:inherit;transition:color 0.2s ease}.related-card h4 a:hover{color:var(--primary-blue);text-decoration:none}.related-card p{font-size:0.85rem;color:var(--text-gray);line-height:1.5}.detail-invalid{text-align:center;padding:4rem 2rem;background:var(--bg-white);border-radius:var(--radius-lg)}.detail-invalid h1{font-size:2rem;color:var(--text-dark);margin-bottom:1.5rem}.detail-invalid p{color:var(--text-gray);margin-bottom:1rem;font-size:1rem}.error-page{text-align:center;padding:6rem 2rem;background:var(--bg-white);border-radius:var(--radius-lg)}.error-page h1{font-size:4rem;color:var(--primary-blue);margin-bottom:1rem}.error-page p{color:var(--text-gray);font-size:1.1rem;margin-bottom:1rem}footer{text-align:center;padding:2rem 1rem;margin-top:4rem;color:var(--text-light);font-size:0.9rem;border-top:1px solid var(--border-color)}#back-to-top{position:fixed;bottom:2rem;right:2rem;width:48px;height:48px;background:linear-gradient(135deg,var(--primary-blue),var(--secondary-pink));color:white;border:none;border-radius:50%;cursor:pointer;display:none;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-md);transition:all 0.3s ease;z-index:999}#back-to-top:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(0,0,0,0.2)}#back-to-top.show{display:flex}