:root {
        --primary-color: #3a86ff;
        --primary-dark: #2563eb;
        --text-color: #333;
        --text-light: #666;
        --background-light: #f8f9fa;
        --faq-bg: #e8f2ff;
        --border-color: #e0e0e0;
        --shadow: 0 4px 12px rgba(0,0,0,0.05);
        --transition: all 0.3s ease;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        margin: 0;
        background: var(--background-light);
        color: var(--text-color);
        font-size: 18px;
        line-height: 1.6;
    }
    .page { display: flex; justify-content: center; padding: 1.5rem 1rem; }
    .container {
        max-width: 1100px;
        width: 100%;
        background: #fff;
        border-radius: 12px;
        box-shadow: var(--shadow);
        overflow: hidden;
    }
    .hero-section {
        position: relative;
        overflow: hidden;
        text-align: center;
        padding: 2rem;
    }
    .hero-image { 
        width: 100%; 
        max-width: 900px;
        display: block;
        margin: 0 auto;
        transition: var(--transition);
        border-radius: 8px;
        box-shadow: var(--shadow);
        cursor: pointer;
    }
    .hero-title {
        font-size: 2.5rem;
        margin: 2rem 0 1rem;
        color: var(--primary-dark);
        font-weight: 700;
    }
    .specs-section { padding: 3rem 2rem; background: white; }
    .specs-table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5rem 0;
        font-size: 1rem;
    }
    .specs-table th, .specs-table td {
        padding: 1rem;
        text-align: left;
        border: 1px solid var(--border-color);
    }
    .specs-table th {
        background-color: var(--faq-bg);
        font-weight: 600;
    }
    .specs-table tr:nth-child(even) { background-color: #f9f9f9; }
    .section-title {
        font-size: 1.8rem;
        text-align: center;
        margin-top: 0;
        margin-bottom: 2rem;
        font-weight: 600;
        color: var(--text-color);
        position: relative;
        padding-bottom: 0.5rem;
    }
    .section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background: var(--primary-color);
        border-radius: 2px;
    }
    .advantages-section { padding: 3rem 2rem; background: var(--background-light); }
    .advantages-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
        margin-top: 2rem;
    }
    .advantage-item {
        text-align: center;
        padding: 2rem 1.5rem;
        background: white;
        border-radius: 8px;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }
    .advantage-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    }
    .advantage-icon {
        font-size: 2.5rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }
    .advantage-title {
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
        color: var(--primary-dark);
    }
    .advantage-description {
        color: var(--text-light);
        font-size: 1rem;
    }
    .colors-section { padding: 3rem 2rem; background: var(--background-light); }
    .color-category { margin-bottom: 3rem; }
    .color-category-title {
        font-size: 1.6rem;
        text-align: center;
        margin-bottom: 1.5rem;
        color: var(--primary-dark);
        font-weight: 600;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid var(--primary-color);
    }
    .colors-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1.5rem;
        margin-top: 1rem;
    }
    .color-item {
        text-align: center;
        transition: var(--transition);
    }
    .color-item:hover { transform: translateY(-5px); }
    .color-image {
        width: 120px;
        height: 120px;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto 0.8rem;
        border: 3px solid white;
        box-shadow: var(--shadow);
        transition: var(--transition);
        cursor: pointer;
    }
    .color-image:hover {
        transform: scale(1.05);
        border-color: var(--primary-color);
    }
    .color-name { font-size: 1rem; font-weight: 500; }
    .reviews-section { padding: 3rem 2rem; background: var(--background-light); }
    .reviews-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    .review {
        background: #fff; 
        padding: 1.5rem;
        border-radius: 8px;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }
    .review:hover { transform: translateY(-5px); }
    .review-text { 
        font-size: 1rem; 
        color: var(--text-light); 
        margin-bottom: 0.8rem; 
        position: relative;
        padding-left: 1.5rem;
        text-align: left;
    }
    .review-text::before {
        content: """;
        font-size: 3rem;
        color: var(--primary-color);
        position: absolute;
        left: 0;
        top: -0.5rem;
        opacity: 0.3;
    }
    .review-author { 
        font-weight: 600; 
        color: var(--primary-color); 
        display: flex;
        align-items: center;
        gap: 0.5rem;
        text-align: left;
    }
    .ueeshop-faq-container {
        width: 100%;
        max-width: 1450px;
        margin: 0 auto;
        background: #fff;
        padding: 30px;
        box-sizing: border-box;
        border-radius: 8px;
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    }
    .faq-item {
        margin-bottom: 15px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        overflow: hidden;
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        background: #fff;
    }
    .faq-item:hover {
        border-color: #3498db;
        box-shadow: 0 3px 10px rgba(52, 152, 219, 0.15);
    }
    .faq-question {
        padding: 18px 50px 18px 25px;
        background: #f8fafc;
        cursor: pointer;
        font-weight: 600;
        color: #2c3e50;
        position: relative;
        font-size: 16px;
        transition: background 0.3s;
    }
    .faq-question:hover { background: #f0f7fd; }
    .faq-question:before {
        content: attr(data-number);
        display: inline-block;
        margin-right: 10px;
        color: #3498db;
        font-weight: bold;
    }
    .faq-question:after {
        content: "+";
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 20px;
        color: #7f8c8d;
        transition: all 0.3s;
    }
    .faq-item.active .faq-question:after {
        content: "-";
        color: #3498db;
    }
    .faq-answer {
        padding: 0;
        background: white;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        line-height: 1.7;
    }
    .faq-item.active .faq-answer {
        padding: 20px 25px;
        max-height: 1000px;
        border-top: 1px solid #e0e0e0;
    }
    .modal {
        display: none;
        position: fixed;
        z-index: 1000;
        padding-top: 50px;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0,0,0,0.9);
    }
    .modal-content {
        margin: auto;
        display: block;
        width: 80%;
        max-width: 700px;
        animation-name: zoom;
        animation-duration: 0.3s;
    }
    @keyframes zoom {
        from {transform: scale(0.8)}
        to {transform: scale(1)}
    }
    .close {
        position: absolute;
        top: 15px;
        right: 35px;
        color: #f1f1f1;
        font-size: 40px;
        font-weight: bold;
        transition: 0.3s;
        cursor: pointer;
    }
    .close:hover, .close:focus {
        color: #bbb;
        text-decoration: none;
    }
    /* 响应式设计 */
    @media (max-width: 1024px) {
        .advantages-grid { grid-template-columns: repeat(2, 1fr); }
        .colors-grid { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 768px) {
        body { font-size: 16px; }
        .hero-title { font-size: 2rem; }
        .advantages-grid { grid-template-columns: 1fr; }
        .reviews-container { grid-template-columns: 1fr; }
        .colors-grid { grid-template-columns: repeat(3, 1fr); }
        .specs-table { font-size: 0.9rem; }
        .specs-table th, .specs-table td { padding: 0.75rem; }
        .faq-question { font-size: 15px; padding: 15px 40px 15px 20px; }
        .faq-item.active .faq-answer { padding: 15px 20px; }
        .ueeshop-faq-container { padding: 20px 15px; }
        .modal-content { width: 95%; }
        .color-image { width: 100px; height: 100px; }
    }
    @media (max-width: 480px) {
        .colors-grid { grid-template-columns: repeat(2, 1fr); }
        .color-image { width: 80px; height: 80px; }
    }