<style>
    /* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
    }
    
    body {
        background: linear-gradient(135deg, #0c1a2d 0%, #16213e 100%);
        color: #fff;
        line-height: 1.6;
        min-height: 100vh;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    
    /* 下载横幅区域 */
    .download-banner {
        position: relative;
        width: 100%;
        height: 80vh;
        min-height: 600px;
        overflow: hidden;
        border-radius: 0 0 40px 40px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        margin-bottom: 60px;
    }
    
    .banner-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(rgba(12, 26, 45, 0.85), rgba(22, 33, 62, 0.95)), 
                    url('/images/photo-1614732414444-096e5f1122d5.webp');
        background-size: cover;
        background-position: center;
        filter: brightness(0.8);
    }
    
    .banner-content {
        position: relative;
        z-index: 2;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        padding: 40px 20px;
    }
    
    .banner-logo {
        width: 200px;
        height: auto;
        margin-bottom: 30px;
        animation: float 3s ease-in-out infinite;
    }
    
    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-15px); }
    }
    
    .banner-title {
        font-size: 4rem;
        font-weight: 800;
        background: linear-gradient(45deg, #FFD700, #FF8C00);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 20px;
        text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }
    
    .banner-subtitle {
        font-size: 1.5rem;
        color: #e0e0e0;
        margin-bottom: 40px;
        max-width: 800px;
        line-height: 1.8;
    }
    
    /* 主下载按钮 */
    .main-download-btn {
        display: inline-flex;
        align-items: center;
        gap: 20px;
        padding: 25px 60px;
        background: linear-gradient(45deg, #FF416C, #FF4B2B);
        color: white;
        text-decoration: none;
        border-radius: 60px;
        font-size: 1.4rem;
        font-weight: 700;
        transition: all 0.3s ease;
        box-shadow: 0 15px 35px rgba(255, 65, 108, 0.3);
        border: 3px solid rgba(255, 255, 255, 0.2);
        margin-bottom: 30px;
        animation: pulse 2s infinite;
    }
    
    @keyframes pulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.05); }
    }
    
    .main-download-btn:hover {
        transform: translateY(-5px);
        box-shadow: 0 20px 40px rgba(255, 65, 108, 0.4);
        background: linear-gradient(45deg, #FF4B2B, #FF416C);
        border-color: #FFD700;
    }
    
    .main-download-btn i {
        font-size: 2.5rem;
    }
    
    .download-info {
        color: #aaa;
        font-size: 1rem;
        max-width: 600px;
    }
    
    /* 平台选择区域 */
    .platform-section {
        padding: 60px 0;
    }
    
    .section-title {
        text-align: center;
        font-size: 2.5rem;
        color: #FFD700;
        margin-bottom: 50px;
        position: relative;
    }
    
    .section-title::after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 100px;
        height: 4px;
        background: linear-gradient(90deg, #FFD700, #FF8C00);
        border-radius: 2px;
    }
    
    .platform-cards {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-bottom: 60px;
    }
    
    .platform-card {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 20px;
        padding: 40px 30px;
        text-align: center;
        transition: transform 0.3s ease;
        border: 1px solid rgba(255, 215, 0, 0.1);
        backdrop-filter: blur(10px);
    }
    
    .platform-card:hover {
        transform: translateY(-10px);
        border-color: rgba(255, 215, 0, 0.3);
        background: rgba(255, 255, 255, 0.08);
    }
    
    .platform-icon {
        font-size: 3.5rem;
        margin-bottom: 20px;
        color: #FFD700;
    }
    
    .platform-name {
        font-size: 1.8rem;
        margin-bottom: 15px;
        color: #fff;
    }
    
    .platform-desc {
        color: #ccc;
        margin-bottom: 25px;
        font-size: 0.95rem;
    }
    
    /* 添加highlight-text样式 */
    .highlight-text {
        color: #FFD700 !important;
        font-size: 0.9rem !important;
    }
    
    /* 备选下载区域 */
    .alternative-download {
        text-align: center;
        margin-top: 40px;
    }
    
    .alternative-download p {
        color: #aaa;
        margin-bottom: 20px;
    }
    
    /* 平台按钮 */
    .platform-btn {
        display: inline-block;
        padding: 12px 30px;
        background: rgba(255, 215, 0, 0.1);
        color: #FFD700;
        text-decoration: none;
        border-radius: 25px;
        border: 1px solid rgba(255, 215, 0, 0.3);
        transition: all 0.3s ease;
        font-weight: 600;
    }
    
    .platform-btn:hover {
        background: rgba(255, 215, 0, 0.2);
        border-color: #FFD700;
    }
    
    /* alt-btn样式 */
    .alt-btn {
        padding: 15px 40px;
        font-size: 1.1rem;
    }
    
    /* 特性区域 */
    .features-section {
        padding: 60px 0;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 40px;
        margin-bottom: 60px;
    }
    
    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }
    
    .feature-card {
        background: rgba(255, 255, 255, 0.05);
        padding: 30px;
        border-radius: 15px;
        text-align: center;
    }
    
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 20px;
        color: #FFD700;
    }
    
    .feature-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
        color: #fff;
    }
    
    .feature-desc {
        color: #ccc;
        font-size: 0.95rem;
    }
    
    /* 安装步骤样式 */
    .install-steps {
        padding: 60px 0;
    }
    
    .steps-container {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: 40px;
        margin: 40px 0;
    }
    
    .step {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 15px;
        padding: 40px 30px;
        text-align: center;
        min-width: 200px;
        border: 2px solid rgba(255, 215, 0, 0.2);
        position: relative;
        transition: all 0.3s ease;
    }
    
    .step:hover {
        transform: translateY(-5px);
        border-color: rgba(255, 215, 0, 0.4);
        background: rgba(255, 255, 255, 0.08);
    }
    
    .step-number {
        position: absolute;
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 40px;
        background: linear-gradient(45deg, #FFD700, #FF8C00);
        color: #0c1a2d;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        font-size: 1.2rem;
        box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
    }
    
    .step-icon {
        font-size: 3rem;
        color: #FFD700;
        margin-bottom: 20px;
    }
    
    .step h3 {
        font-size: 1.5rem;
        margin-bottom: 15px;
        color: #fff;
    }
    
    .step p {
        color: #ccc;
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .step-arrow {
        color: #FFD700;
        font-size: 2rem;
    }
    
    .install-tips {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 30px;
        margin-top: 40px;
    }
    
    .tip {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #ccc;
        padding: 15px 25px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 25px;
        border: 1px solid rgba(255, 215, 0, 0.1);
        transition: all 0.3s ease;
    }
    
    .tip:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 215, 0, 0.3);
        transform: translateY(-3px);
    }
    
    .tip i {
        color: #FFD700;
    }
    
    /* 页脚 */
    .footer {
        background: rgba(0, 0, 0, 0.3);
        padding: 40px 0;
        text-align: center;
        margin-top: 60px;
        border-top: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    .footer-links {
        display: flex;
        justify-content: center;
        gap: 30px;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }
    
    .footer-link {
        color: #aaa;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    
    .footer-link:hover {
        color: #FFD700;
    }
    
    .copyright {
        color: #777;
        font-size: 0.9rem;
    }
    
    /* 响应式设计 */
    @media (max-width: 768px) {
        .download-banner {
            height: auto;
            min-height: 500px;
            border-radius: 0 0 30px 30px;
        }
        
        .banner-title {
            font-size: 2.8rem;
        }
        
        .banner-subtitle {
            font-size: 1.2rem;
            padding: 0 20px;
        }
        
        .main-download-btn {
            padding: 20px 40px;
            font-size: 1.2rem;
        }
        
        .section-title {
            font-size: 2rem;
        }
        
        .platform-card {
            padding: 30px 20px;
        }
        
        .steps-container {
            flex-direction: column;
            gap: 60px;
        }
        
        .step-arrow {
            transform: rotate(90deg);
        }
        
        .step {
            min-width: 250px;
        }
        
        .install-tips {
            flex-direction: column;
            align-items: center;
        }
        
        .tip {
            min-width: 200px;
        }
    }
    
    @media (max-width: 480px) {
        .banner-title {
            font-size: 2.2rem;
        }
        
        .banner-subtitle {
            font-size: 1rem;
        }
        
        .main-download-btn {
            padding: 18px 35px;
            font-size: 1.1rem;
            gap: 15px;
        }
        
        .main-download-btn i {
            font-size: 2rem;
        }
        
        .section-title {
            font-size: 1.8rem;
        }
        
        .footer-links {
            flex-direction: column;
            gap: 15px;
        }
    }
    
    /* 动画效果 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .animated {
        animation: fadeInUp 0.8s ease-out;
    }
</style>