* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
    font-family: 'AlimamaFangYuanTi';
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

        /* Header */
        /*.header {*/
        /*    background-color: #ffffff;*/
        /*    padding: 20px 40px;*/
        /*    display: flex;*/
        /*    justify-content: space-between;*/
        /*    align-items: center;*/
        /*    border-bottom: 1px solid #f0f0f0;*/
        /*}*/

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #000000;
        }

        .nav {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        .nav a {
            text-decoration: none;
            color: #000000;
            font-weight: 400;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .nav a:hover {
            color: #666666;
        }

        .header-icons {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .icon {
            width: 20px;
            height: 20px;
            cursor: pointer;
            transition: opacity 0.3s ease;
        }

        .icon:hover {
            opacity: 0.6;
        }

        /* Main Content */
        .main-content {
            padding: 60px 40px;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* Product Section */
        .product-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            margin-bottom: 80px;
        }

        /* 产品图片区域调整 */
.product-gallery {
    position: relative;
    display: flex;
    gap: 20px;
    height: 560px; /* 增加高度以容纳7个缩略图 */
}

.thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 80px;
    flex-shrink: 0;
    height: 100%; /* 让缩略图容器占满高度 */
    justify-content: space-between; /* 均匀分布缩略图 */
}

.thumbnail {
    width: 70px; /* 稍微增大缩略图 */
    height: 70px; /* 稍微增大缩略图 */
    background: #f0f0f0;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.thumbnail.active {
    
    transform: scale(1.05);
}

.thumbnail:hover {
    
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15); /* 柔和的黑色阴影 */
}

.main-image {
    flex: 1;
    height: 100%; /* 与大图容器高度一致 */
    background: #f0f0f0;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.main-image:hover {
    transform: scale(1.02);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-gallery {
        flex-direction: column;
        height: auto;
        gap: 15px;
    }
    
    .thumbnail-list {
        flex-direction: row;
        width: 100%;
        height: auto;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .main-image {
        height: 300px;
        order: -1;
    }
}

@media (max-width: 480px) {
    .thumbnail {
        width: 50px;
        height: 50px;
    }
    
    .main-image {
        height: 250px;
    }
}

        .product-info {
            padding: 20px 0;
        }

        .product-model {
            font-size: 16px;
            color: #666;
            margin-bottom: 10px;
            font-weight: 500;
        }

        @font-face {
    font-family: 'AlimamaFangYuanTi';
    src: url('/fonts/AlimamaFangYuanTiVF-Thin-2.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

.product-name {
    font-size: 28px;
    font-weight: 300;
    color: #000;
    margin-bottom: 20px;
    line-height: 1.3;
    font-family: 'AlimamaFangYuanTi', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

        .product-description {
            font-size: 14px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .product-price {
            font-size: 32px;
            font-weight: 600;
            color: #000;
            margin-bottom: 30px;
        }

        .color-selection {
            margin-bottom: 30px;
        }

        .color-label {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 15px;
            color: #333;
        }

        /* 颜色选择器样式 - 30px方形 */
.color-options {
    display: flex;
    gap: 0.5rem;
}

.color-swatch {
    width: 30px;
    height: 30px;
    border-radius: 0; /* 完全方形 */
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.color-swatch.selected {
    border-color: #333;
    transform: scale(1.1);
}

.color-swatch:hover {
    border-color: #007bff;
    transform: scale(1.05);
}

/* 各个颜色的背景色 */
.color-swatch.black { 
    background: #000; 
}

.color-swatch.blue { 
    background: #ff6b35; 
}

.color-swatch.brown { 
    background: #8B4513; 
}

.color-swatch.white { 
    background: #fff; 
    border: 1px solid #ddd; /* 白色需要边框来显示 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .color-swatch {
        width: 28px;
        height: 28px;
    }
}

        .device-selection {
            margin-bottom: 30px;
        }

        .device-label {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 15px;
            color: #333;
        }

        .device-dropdown {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            background: white;
            font-size: 16px;
            cursor: pointer;
        }

        .purchase-button {
            background: #000;
            color: white;
            border: none;
            padding: 18px 0;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.3s ease;
            margin-bottom: 30px;
            width: 100%;
        }

        .purchase-button:hover {
            background: #333;
        }

        .features {
            margin-top: 20px;
        }

        .features h4 {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 15px;
            color: #333;
        }

        .features ul {
            list-style: none;
            font-size: 14px;
            color: #666;
        }

        .features ul li {
            margin-bottom: 8px;
            padding-left: 15px;
            position: relative;
        }

        .features li::before {
            content: "-"; /* 直接使用 HTML 实体 */
            position: absolute;
            left: 0;
            font-weight: bold;
            font-size: 1.2em;
        }

        /* Material Section */
        .material-section {
            background: #f8f8f8;
            padding: 60px 40px;
            margin: 60px 0;
            text-align: center;
            border-radius: 12px;
        }

        .material-title {
            font-size: 1rem;
            color: #666;
            margin-bottom: 10px;
            font-weight: 300;
        }

        .material-heading {
            font-size: 24px;
            font-weight: 300;
            color: #000;
            margin-bottom: 20px;
        }

        .material-description {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Experiment Section */
        .experiment-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            margin: 60px 0;
            border-radius: 12px;
            overflow: hidden;
        }

        .experiment-content {
            background: #1a1a1a;
            color: white;
            padding: 60px 40px;
        }

        .experiment-title {
            font-size: 1rem;
            color: #ccc;
            margin-bottom: 15px;
            font-weight: 300;
        }

        .experiment-heading {
            font-size: 24px;
            font-weight: 300;
            margin-bottom: 20px;
        }

        .experiment-description {
            font-size: 14px;
            line-height: 1.6;
            opacity: 0.8;
        }

        .experiment-media {
            background: #000;
            position: relative;
            overflow: hidden;
        }

        .video-player {
            width: 100%;
            height: 100%;
            background: #000;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 300px;
        }

        .video-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            padding: 20px;
            color: white;
            font-size: 14px;
            text-align: center;
        }

        .video-controls {
            position: absolute;
            bottom: 10px;
            left: 10px;
            right: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(0,0,0,0.7);
            padding: 8px;
            border-radius: 4px;
        }

        .play-button {
            width: 30px;
            height: 30px;
            background: white;
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .progress-bar {
            flex: 1;
            height: 4px;
            background: #333;
            border-radius: 2px;
            position: relative;
        }

        .progress-fill {
            width: 10%;
            height: 100%;
            background: white;
            border-radius: 2px;
        }

        .time-display {
            color: white;
            font-size: 12px;
        }

        /* Recommended Section */
        .recommended-section {
            margin-bottom: 80px;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 300;
            color: #000;
        }

        .view-all-link {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .recommended-products {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .recommended-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s ease;
            position: relative;
        }

        .recommended-card:hover {
            transform: translateY(-5px);
        }

        .recommended-image {
            width: 100%;
            height: 350px;
            background: #f5f5f5;
            position: relative;
        }

        

        .recommended-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .recommended-badge.hot {
            background: #ff6b35;
            color: white;
        }

        .recommended-badge.new {
            background: #000;
            color: white;
        }

        .recommended-info {
            padding: 20px;
        }

        .recommended-model {
            font-size: 14px;
            color: #666;
            margin-bottom: 5px;
        }

        .recommended-name {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 10px;
        }

        .recommended-price {
            font-size: 18px;
            font-weight: 600;
            color: #000;
            margin-bottom: 15px;
        }

        .recommended-colors {
            display: flex;
            gap: 8px;
        }

        .recommended-color {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 2px solid #ddd;
        }