*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:16px;line-height:1.6;color:#333;background:#f8f9fa}nav{display:flex;flex-wrap:nowrap;justify-content:space-between;align-items:center;background:#ffffff;padding:1rem 2rem;box-shadow:0 2px 8px rgba(0,0,0,0.08);position:sticky;top:0;z-index:1000}nav a{flex:1 1 0;min-width:0;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none;color:#333;font-weight:500;padding:0.5rem 0.5rem;transition:color 0.3s ease}nav a:hover{color:#ff6b35}@media (max-width:768px){nav{padding:0.75rem 0.5rem}nav a{font-size:14px;padding:0.5rem 0.25rem}}.breadcrumb{padding:1rem 2rem;background:#fff;border-bottom:1px solid #e9ecef;font-size:14px;color:#6c757d}.breadcrumb a{color:#007bff;text-decoration:none;transition:color 0.3s ease}.breadcrumb a:hover{color:#0056b3;text-decoration:underline}main{max-width:1400px;margin:0 auto;padding:2rem}@media (max-width:768px){main{padding:1rem}.breadcrumb{padding:0.75rem 1rem}}h1{font-size:2rem;font-weight:700;color:#212529;margin:0 0 1.5rem 0;line-height:1.2}h2{font-size:1.5rem;font-weight:600;color:#343a40;margin:2rem 0 1rem 0;border-left:4px solid #ff6b35;padding-left:1rem}h3{font-size:1.25rem;font-weight:600;color:#495057;margin:0 0 0.5rem 0}@media (max-width:768px){h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}}section{background:#ffffff;border-radius:8px;padding:2rem;margin-bottom:2rem;box-shadow:0 2px 4px rgba(0,0,0,0.05)}@media (max-width:768px){section{padding:1.5rem;border-radius:4px}}.site-intro{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#ffffff}.site-intro h1{color:#ffffff}.site-intro p{font-size:1.1rem;margin-bottom:1rem;line-height:1.8}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;list-style:none;padding:0;margin:0}@media (max-width:768px){.video-grid{grid-template-columns:1fr;gap:1rem}}.video-card{background:#f8f9fa;border-radius:8px;padding:1.5rem;transition:transform 0.3s ease,box-shadow 0.3s ease;border:1px solid #dee2e6}.video-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}.video-card h3{margin-bottom:0.75rem}.video-card h3 a{color:#212529;text-decoration:none;transition:color 0.3s ease}.video-card h3 a:hover{color:#ff6b35}.video-card .one-line{color:#6c757d;font-size:0.95rem;margin-bottom:0.5rem;line-height:1.5}.video-card .summary-short{color:#868e96;font-size:0.9rem;line-height:1.6;margin-bottom:0.5rem}.video-card .meta{display:inline-block;background:#e9ecef;padding:0.25rem 0.75rem;border-radius:4px;font-size:0.85rem;color:#495057}.entry-links{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.entry-links li{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);border-radius:8px;transition:transform 0.3s ease}.entry-links li:hover{transform:scale(1.05)}.entry-links a{display:block;padding:1.5rem;color:#ffffff;text-decoration:none;font-weight:600;font-size:1.1rem;text-align:center}.daquan-notice{background:#fff3cd;border:1px solid #ffc107;border-radius:8px;padding:1.5rem}.daquan-notice strong{color:#856404}.daquan-notice ul{margin:1rem 0 0 0;padding-left:1.5rem}.daquan-notice a{color:#007bff;font-weight:500}.detail{background:#ffffff;border-radius:8px;padding:2rem;margin-bottom:2rem}.detail header{border-bottom:2px solid #e9ecef;padding-bottom:1.5rem;margin-bottom:2rem}.detail .meta{color:#6c757d;font-size:1rem;margin:0.5rem 0}.detail .tags{color:#868e96;font-size:0.95rem}.detail section{padding:0;box-shadow:none;margin-bottom:2rem}.detail section p{line-height:1.8;color:#495057;margin-bottom:1rem}.related{background:#f8f9fa}.error-404{text-align:center;padding:4rem 2rem}.error-404 h1{color:#dc3545;font-size:3rem;margin-bottom:1rem}.error-404 p{font-size:1.1rem;color:#6c757d;margin-bottom:1rem}.error-404 a{display:inline-block;background:#007bff;color:#ffffff;padding:0.75rem 2rem;border-radius:4px;text-decoration:none;font-weight:500;transition:background 0.3s ease}.error-404 a:hover{background:#0056b3}.detail-invalid{text-align:center;padding:3rem 2rem}.detail-invalid h1{color:#ffc107}.detail-invalid p{font-size:1.1rem;margin-bottom:1rem}.detail-invalid a{color:#007bff;font-weight:500;text-decoration:none}.detail-invalid a:hover{text-decoration:underline}footer{background:#343a40;color:#adb5bd;text-align:center;padding:2rem;margin-top:3rem}footer p{margin:0}a{color:#007bff;text-decoration:none;transition:color 0.3s ease}a:hover{color:#0056b3}ul{list-style:none;padding:0;margin:0}.layout-A .hot-section{order:1}.layout-A .list-entry-section{order:2}.layout-A .latest-section{order:3}@media (max-width:480px){.video-card{padding:1rem}.entry-links{grid-template-columns:1fr}}