margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        
        .HT-logo-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 150px 20px;
        }
        
        .HT-logo-header {
            text-align: center;
            margin-bottom: 60px;
            padding-bottom: 30px;
            border-bottom: 1px solid #e9ecef;
        }
        
        .HT-logo-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #a41626;
            margin-bottom: 15px;
        }
        
        .HT-logo-subtitle {
            font-size: 1.25rem;
            color: #666;
        }
        
        .HT-logo-section {
            margin-bottom: 50px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            padding: 40px;
        }
        
        .HT-logo-section-title {
            font-size: 1.75rem;
            font-weight: 600;
            color: #222;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid #e9ecef;
        }
        
        .HT-logo-color-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
            justify-content: center;
        }
        
        .HT-logo-color-item {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
            max-width: 380px;
            /*margin: 0 auto;*/
        }
        
        .HT-logo-color-swatch {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .HT-logo-color-info {
            padding: 20px;
            background: white;
        }
        
        .HT-logo-color-name {
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 15px;
        }
        
        .HT-logo-color-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        
        .HT-logo-color-code {
            font-size: 0.9rem;
            position: relative;
        }
        
        .HT-logo-color-code-label {
            font-weight: 600;
            margin-bottom: 5px;
            color: #666;
        }
        
        .HT-logo-color-code-value {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 12px;
            background-color: #f8f9fa;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
        }
        
        .HT-logo-color-code-value:hover {
            background-color: #e9ecef;
        }
        
        .HT-logo-logos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .HT-logo-item {
            text-align: center;
            padding: 25px;
            border-radius: 8px;
            background: #f8f9fa;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            max-width: 380px;
            /*margin: 0 auto;*/
        }
        
        .HT-logo-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .HT-logo-preview {
            height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            border-radius: 6px;
            position: relative;
            overflow: hidden;
            transition: filter 0.3s ease;
        }
        
        .HT-logo-item:hover .HT-logo-preview {
            filter: blur(3px);
        }
        
        .HT-logo-download-btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: #a41626;
            color: white;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
            cursor: pointer;
            border: none;
            font-size: 16px;
        }
        
        .HT-logo-item:hover .HT-logo-download-btn {
            background-color: #8a131f;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(164, 22, 38, 0.3);
        }
        
        .HT-logo-hover-tip {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.85);
            color: white;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 30px;
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1;
            font-size: 0.95rem;
            line-height: 1.5;
            text-align: center;
        }
        
        .HT-logo-item:hover .HT-logo-hover-tip {
            opacity: 1;
        }
        
        .HT-logo-hover-tip::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
            z-index: 1;
        }
        
        .HT-logo-rules-list {
            list-style-position: inside;
            margin-left: 15px;
            margin-bottom: 30px;
        }
        
        .HT-logo-rules-list li {
            margin-bottom: 15px;
            line-height: 1.7;
        }
        
        .HT-logo-error-examples {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .HT-logo-error-item {
            text-align: center;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: 1px solid #eee;
        }
        
        .HT-logo-error-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        
        .HT-logo-error-preview {
            height: 100px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            border-radius: 6px;
            background: white;
            padding: 10px;
            position: relative;
        }
        
        .HT-logo-error-preview .logo-img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .HT-logo-error-text {
            font-size: 0.85rem;
            color: #a41626;
            font-weight: 600;
        }
        
        .HT-logo-disclaimer {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid #e9ecef;
            font-size: 0.9rem;
            color: #666;
        }
        
        .HT-logo-toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background-color: #a41626;
            color: white;
            padding: 15px 25px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            z-index: 1001;
            opacity: 0;
            transition: all 0.4s ease;
            font-weight: 600;
            max-width: 80%;
            text-align: center;
        }
        
        .HT-logo-toast.show {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
        }
        
        @media (min-width: 1200px) {
            .HT-logo-color-grid {
                grid-template-columns: repeat(3, minmax(320px, 1fr));
                justify-content: center;
            }
            
            .HT-logo-logos {
                grid-template-columns: repeat(3, minmax(320px, 1fr));
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .HT-logo-color-grid {
                grid-template-columns: 1fr;
            }
            
            .HT-logo-container {
                padding: 20px 15px;
            }
            
            .HT-logo-section {
                padding: 25px 20px;
            }
            
            .HT-logo-title {
                font-size: 2rem;
            }
            
            .HT-logo-error-examples {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
        }