</*download*/
        * {
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            padding: 20px;
            min-height: 100vh;
        }
        .container-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            overflow: hidden;
        }
        .header-section {
            background: linear-gradient(90deg, #1a3a6c 0%, #2c5282 100%);
            color: white;
            padding: 25px 30px;
            border-radius: 12px 12px 0 0;
            margin-bottom: 25px;
        }
        .header-section h1 {
            font-weight: 700;
            margin: 0;
            font-size: 32px;
            display: flex;
            align-items: center;
        }
        .header-section h1 i {
            margin-right: 15px;
            font-size: 36px;
        }
        .subtitle {
            font-size: 18px;
            opacity: 0.9;
            margin-top: 8px;
        }
        .download-notice {
            background: #fff9e6;
            border-left: 4px solid #f6633a;
            padding: 15px 20px;
            margin: 0 25px 25px;
            border-radius: 0 8px 8px 0;
            font-size: 16px;
            color: #333;
        }
        .download-notice strong {
            color: #f6633a;
        }
        .download-grid {
            padding: 0 25px 25px;
        }
        .download-item {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            border: 1px solid #eaeaea;
            height: 100%;
        }
        .download-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border-color: #d0e1f5;
        }
        .item-image {
            padding: 20px;
            text-align: center;
            background: #f9fbfd;
            border-bottom: 1px solid #eee;
        }
        .item-image img {
            max-width: 200px;
            max-height: 200px;
            transition: transform 0.3s ease;
        }
        .download-item:hover .item-image img {
            transform: scale(1.1);
        }
        .item-content {
            padding: 20px;
        }
        .item-title {
            font-weight: 700;
            color: #2c5282;
            margin-bottom: 12px;
            font-size: 18px;
            height: 54px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .item-desc {
            color: #666;
            font-size: 14px;
            height: 105px;
            overflow: hidden;
            margin-bottom: 15px;
            position: relative;
        }
        .item-desc::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 30px;
            background: linear-gradient(to bottom, rgba(255,255,255,0), white);
        }
        .download-btn {
            display: block;
            width: 100%;
            text-align: center;
            background: linear-gradient(90deg, #2c5282 0%, #1a3a6c 100%);
            color: white;
            padding: 10px;
            border-radius: 6px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            font-size: 15px;
        }
        .download-btn:hover {
            background: linear-gradient(90deg, #3a68a0 0%, #2a4d82 100%);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(42, 77, 130, 0.3);
        }
        .download-btn i {
            margin-right: 8px;
        }
        .footer {
            text-align: center;
            padding: 25px;
            color: #6c757d;
            font-size: 14px;
            border-top: 1px solid #eee;
            background: #f8fafc;
        }
        @media (max-width: 767px) {
            .header-section h1 {
                font-size: 24px;
            }
            .download-notice {
                margin-left: 15px;
                margin-right: 15px;
            }
            .download-grid {
                padding-left: 15px;
                padding-right: 15px;
            }
        }
    </style>