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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}
.protect_carousel-content {
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
}
.protect_carousel-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
@media (max-width: 640px) {
    .banner-img {
        height: 200px;
    }
    .protect_carousel-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        z-index: 2;
    }
    .protect_carousel-content h2 {
        font-size: 1.5rem;
    }
}
@media (max-width: 968px) {
    .protect_carousel-content h2 {
        font-size: 2rem;
    }
}
.banner-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.product-card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.product-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
}

.image-section {
    position: relative;
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
    border: 2px solid #f8f9fa;
}

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

.thumbnail-gallery {
    position: relative;
    margin-top: 20px;
    overflow: hidden;
    padding: 10px 0;
}

.thumbnail-container {
    display: flex;
    gap: 12px;
    transition: transform 0.3s ease;
    width: max-content;
    padding: 0 4px; /* 防止边框被裁切 */
}

.gallery-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid #bae6fd;
    background: #ffffff;
    color: #1A4FA2;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    font-weight: bold;
}

.nav-btn:hover {
    background: #1A4FA2;
    color: white;
    transform: scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: scale(1);
    background: #f8f9fa;
    color: #9ca3af;
}

.gallery-indicators {
    display: flex;
    gap: 6px;
    justify-content: center;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #1A4FA2;
    transform: scale(1.3);
}

.thumbnail {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    object-fit: cover;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin: 2px; /* 为边框留出空间 */
}

.thumbnail:hover {
    border-color: #7dd3fc;
    transform: scale(1.05);
}

.thumbnail.active {
    border-color: #1A4FA2;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(26, 79, 162, 0.3);
}

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

.product-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #1A4FA2, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-subtitle {
    font-size: 1.2rem;
    color: #6b7280;
    margin-bottom: 24px;
    font-weight: 500;
}

.description {
    font-size: 1rem;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 32px;
}

.certifications {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.cert-badge {
    padding: 8px 16px;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    color: #0369a1;
    border: 1px solid #7dd3fc;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cert-badge:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #1A4FA2, #2563eb);
    color: white;
}

.inquiry-btn {
    background: linear-gradient(135deg, #1A4FA2, #2563eb);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(26, 79, 162, 0.4);
}

.inquiry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26, 79, 162, 0.6);
}

.specs-section {
    padding: 40px;
    background: #f8fafc;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.spec-card {
    background: white;
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border-left: 4px solid #1A4FA2;
    border: 1px solid #f1f5f9;
}

.spec-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.spec-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.spec-title::before {
    content: "●";
    color: #1A4FA2;
    font-size: 1.2rem;
}

.spec-content {
    color: #4b5563;
    line-height: 1.7;
}

.spec-list {
    list-style: none;
    padding: 0;
}

.spec-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
}

.spec-list li:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: #374151;
}

.spec-value {
    color: #6b7280;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 16px;
    overflow: hidden;
}

.modal img {
    width: 100%;
    height: auto;
    display: block;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1A4FA2, #2563eb);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(26, 79, 162, 0.4);
    transform: translateY(100px);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top.visible {
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 30px rgba(26, 79, 162, 0.6);
}

/* 平板横屏适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 20px;
    }

    .product-header {
        gap: 30px;
        padding: 30px;
    }

    .main-image {
        height: 350px;
    }

    .thumbnail {
        width: 58px;
        height: 58px;
    }

    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .product-title {
        font-size: 2.2rem;
    }
}

/* 强制手机端适配 - 最高优先级 */
@media screen and (max-width: 768px) {
    * {
        box-sizing: border-box !important;
    }

    .container {
        padding: 8px !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
    }

    .product-card {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        border-radius: 12px !important;
        overflow: hidden !important;
    }

    .product-header {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: none !important;
        gap: 15px !important;
        padding: 15px !important;
        width: 100% !important;
    }

    .image-section {
        width: 100% !important;
        max-width: 100% !important;
        order: 1 !important;
    }

    .product-info {
        width: 100% !important;
        max-width: 100% !important;
        order: 2 !important;
        text-align: center !important;
        padding: 10px 0 !important;
    }

    .main-image {
        width: 100% !important;
        max-width: 100% !important;
        height: 250px !important;
        border-radius: 10px !important;
        object-fit: cover !important;
    }

    .product-title {
        font-size: 1.6rem !important;
        text-align: center !important;
        margin-bottom: 10px !important;
        word-wrap: break-word !important;
    }

    .product-subtitle {
        font-size: 1rem !important;
        text-align: center !important;
        margin-bottom: 15px !important;
    }

    .description {
        font-size: 0.85rem !important;
        text-align: center !important;
        line-height: 1.5 !important;
        margin-bottom: 20px !important;
        padding: 0 10px !important;
        word-wrap: break-word !important;
    }

    .certifications {
        display: flex !important;
        justify-content: center !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
        margin-bottom: 20px !important;
        padding: 0 10px !important;
    }

    .cert-badge {
        font-size: 0.75rem !important;
        padding: 5px 10px !important;
        white-space: nowrap !important;
    }

    .inquiry-btn {
        width: calc(100% - 20px) !important;
        max-width: 280px !important;
        margin: 0 auto !important;
        display: block !important;
        padding: 12px !important;
        font-size: 0.9rem !important;
        text-align: center !important;
    }

    .thumbnail-gallery {
        width: 100% !important;
        overflow: hidden !important;
        margin-top: 10px !important;
        padding: 5px 0 !important;
    }

    .thumbnail-container {
        display: flex !important;
        gap: 8px !important;
        padding: 0 8px !important;
        transition: transform 0.3s ease !important;
    }

    .thumbnail {
        width: 45px !important;
        height: 45px !important;
        border-radius: 6px !important;
        flex-shrink: 0 !important;
        margin: 1px !important;
    }

    .gallery-nav {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 8px !important;
        margin-top: 8px !important;
    }

    .nav-btn {
        width: 28px !important;
        height: 28px !important;
        font-size: 12px !important;
        flex-shrink: 0 !important;
    }

    .gallery-indicators {
        display: flex !important;
        gap: 4px !important;
        justify-content: center !important;
    }

    .indicator {
        width: 5px !important;
        height: 5px !important;
    }

    .specs-section {
        width: 100% !important;
        padding: 15px 8px !important;
        background: #f8fafc !important;
    }

    .specs-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 10px !important;
        width: 100% !important;
    }

    .spec-card {
        width: 100% !important;
        padding: 15px !important;
        margin-bottom: 8px !important;
    }

    .spec-title {
        font-size: 1rem !important;
        margin-bottom: 10px !important;
    }

    .spec-content {
        font-size: 0.85rem !important;
    }

    .spec-list {
        width: 100% !important;
    }

    .spec-list li {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 6px 0 !important;
        gap: 2px !important;
        word-wrap: break-word !important;
    }

    .scroll-to-top {
        bottom: 15px !important;
        right: 15px !important;
        width: 40px !important;
        height: 40px !important;
        font-size: 1.2rem !important;
    }

    .modal-content {
        max-width: 95% !important;
        max-height: 80% !important;
        margin: 10% auto !important;
    }

    .close-modal {
        top: 10px !important;
        right: 10px !important;
        width: 32px !important;
        height: 32px !important;
        font-size: 1.5rem !important;
    }
}

/* 平板横屏适配 */
@media (min-width: 1025px) and (max-width: 1366px) {
    .container {
        padding: 25px;
    }

    .product-header {
        gap: 35px;
        padding: 35px;
    }

    .main-image {
        height: 380px;
    }

    .product-title {
        font-size: 2.3rem;
    }
}

/* iPhone 14 Pro Max, iPhone 15 Pro Max (430px) */
@media (max-width: 430px) {
    .container {
        padding: 10px;
    }

    .product-header {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 18px;
    }

    .image-section {
        width: 100%;
    }

    .product-title {
        font-size: 1.9rem;
        text-align: center;
        margin-bottom: 12px;
    }

    .product-subtitle {
        text-align: center;
        font-size: 1.05rem;
        margin-bottom: 20px;
    }

    .main-image {
        height: 260px;
        width: 100%;
        border-radius: 12px;
    }

    .thumbnail-gallery {
        margin-top: 14px;
        overflow: hidden;
        padding: 6px 0;
    }

    .thumbnail-container {
        gap: 10px;
        padding: 0 10px;
    }

    .thumbnail {
        width: 52px;
        height: 52px;
        border-radius: 8px;
        margin: 2px;
    }

    .gallery-nav {
        gap: 10px;
        margin-top: 12px;
    }

    .nav-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .indicator {
        width: 7px;
        height: 7px;
    }

    .product-info {
        padding: 16px 0;
        text-align: center;
    }

    .description {
        text-align: center;
        font-size: 0.92rem;
        margin-bottom: 22px;
        padding: 0 12px;
        line-height: 1.6;
    }

    .certifications {
        justify-content: center;
        gap: 10px;
        margin-bottom: 22px;
        flex-wrap: wrap;
    }

    .cert-badge {
        font-size: 0.82rem;
        padding: 7px 14px;
    }

    .inquiry-btn {
        width: 100%;
        max-width: 320px;
        padding: 15px;
        font-size: 1.02rem;
        margin: 0 auto;
        display: block;
    }

    .specs-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .specs-section {
        padding: 18px 10px;
    }

    .spec-card {
        padding: 18px;
        margin-bottom: 10px;
    }

    .spec-title {
        font-size: 1.12rem;
        margin-bottom: 14px;
    }

    .spec-content {
        font-size: 0.9rem;
    }

    .spec-list li {
        padding: 9px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }

    .scroll-to-top {
        bottom: 22px;
        right: 22px;
        width: 46px;
        height: 46px;
        font-size: 1.3rem;
    }
}

/* iPhone 12/13/14 Pro, iPhone 15 Pro (390px) */
@media (max-width: 414px) {
    .container {
        padding: 8px;
    }

    .product-header {
        padding: 16px;
        gap: 16px;
    }

    .product-title {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .product-subtitle {
        font-size: 1rem;
        margin-bottom: 18px;
    }

    .main-image {
        height: 240px;
    }

    .thumbnail-gallery {
        margin-top: 12px;
        padding: 5px 0;
    }

    .thumbnail {
        width: 48px;
        height: 48px;
        border-radius: 7px;
    }

    .thumbnail-container {
        gap: 8px;
        padding: 0 8px;
    }

    .nav-btn {
        width: 30px;
        height: 30px;
        font-size: 13px;
    }

    .indicator {
        width: 6px;
        height: 6px;
    }

    .product-info {
        padding: 14px 0;
    }

    .description {
        font-size: 0.88rem;
        margin-bottom: 20px;
        padding: 0 10px;
    }

    .certifications {
        gap: 8px;
        margin-bottom: 20px;
    }

    .cert-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .inquiry-btn {
        max-width: 300px;
        padding: 14px;
        font-size: 1rem;
    }

    .specs-section {
        padding: 16px 8px;
    }

    .spec-card {
        padding: 16px;
        margin-bottom: 8px;
    }

    .spec-title {
        font-size: 1.08rem;
        margin-bottom: 12px;
    }

    .spec-list li {
        padding: 8px 0;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
}

/* iPhone 12/13/14 标准版 (390px) */
@media (max-width: 390px) {
    .container {
        padding: 7px;
    }

    .product-header {
        padding: 14px;
        gap: 14px;
    }

    .product-title {
        font-size: 1.7rem;
        margin-bottom: 8px;
    }

    .product-subtitle {
        font-size: 0.98rem;
        margin-bottom: 16px;
    }

    .main-image {
        height: 220px;
        border-radius: 10px;
    }

    .thumbnail-gallery {
        margin-top: 10px;
        padding: 4px 0;
    }

    .thumbnail {
        width: 46px;
        height: 46px;
        border-radius: 6px;
    }

    .thumbnail-container {
        gap: 7px;
        padding: 0 7px;
    }

    .nav-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .indicator {
        width: 5px;
        height: 5px;
    }

    .product-info {
        padding: 12px 0;
    }

    .description {
        font-size: 0.85rem;
        margin-bottom: 18px;
        padding: 0 8px;
    }

    .certifications {
        gap: 7px;
        margin-bottom: 18px;
    }

    .cert-badge {
        font-size: 0.78rem;
        padding: 5px 11px;
    }

    .inquiry-btn {
        max-width: 280px;
        padding: 13px;
        font-size: 0.98rem;
    }

    .specs-section {
        padding: 14px 7px;
    }

    .spec-card {
        padding: 14px;
        margin-bottom: 7px;
    }

    .spec-title {
        font-size: 1.05rem;
        margin-bottom: 10px;
    }

    .spec-content {
        font-size: 0.85rem;
    }

    .spec-list li {
        padding: 7px 0;
        font-size: 0.85rem;
    }

    .scroll-to-top {
        bottom: 18px;
        right: 18px;
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }
}

/* 移除旧的通用手机适配规则，替换为精确适配 */

/* 小手机和超小手机适配 */
@media (max-width: 375px) {
    .container {
        padding: 6px;
    }

    .product-header {
        padding: 12px;
        gap: 12px;
    }

    .product-title {
        font-size: 1.6rem;
        margin-bottom: 6px;
    }

    .product-subtitle {
        font-size: 0.95rem;
        margin-bottom: 14px;
    }

    .main-image {
        height: 200px;
        border-radius: 8px;
    }

    .thumbnail-gallery {
        margin-top: 8px;
        padding: 3px 0;
    }

    .thumbnail {
        width: 42px;
        height: 42px;
        border-radius: 5px;
    }

    .thumbnail-container {
        gap: 6px;
        padding: 0 6px;
    }

    .nav-btn {
        width: 26px;
        height: 26px;
        font-size: 11px;
    }

    .indicator {
        width: 4px;
        height: 4px;
    }

    .product-info {
        padding: 10px 0;
    }

    .description {
        font-size: 0.82rem;
        margin-bottom: 16px;
        padding: 0 6px;
        line-height: 1.4;
    }

    .certifications {
        gap: 6px;
        margin-bottom: 16px;
    }

    .cert-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }

    .inquiry-btn {
        max-width: 260px;
        padding: 12px;
        font-size: 0.95rem;
    }

    .specs-section {
        padding: 12px 6px;
    }

    .spec-card {
        padding: 12px;
        margin-bottom: 6px;
    }

    .spec-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .spec-content {
        font-size: 0.82rem;
    }

    .spec-list li {
        padding: 6px 0;
        font-size: 0.82rem;
    }

    .scroll-to-top {
        bottom: 16px;
        right: 16px;
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}

/* 超小手机适配 (iPhone SE 第一代等) */
@media (max-width: 320px) {
    .container {
        padding: 4px;
    }

    .product-header {
        padding: 10px;
        gap: 10px;
    }

    .product-title {
        font-size: 1.4rem;
        margin-bottom: 4px;
    }

    .product-subtitle {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }

    .main-image {
        height: 180px;
        border-radius: 6px;
    }

    .thumbnail-gallery {
        margin-top: 6px;
        padding: 2px 0;
    }

    .thumbnail {
        width: 36px;
        height: 36px;
        border-radius: 4px;
    }

    .thumbnail-container {
        gap: 4px;
        padding: 0 4px;
    }

    .nav-btn {
        width: 22px;
        height: 22px;
        font-size: 9px;
    }

    .indicator {
        width: 3px;
        height: 3px;
    }

    .product-info {
        padding: 8px 0;
    }

    .description {
        font-size: 0.78rem;
        margin-bottom: 14px;
        padding: 0 4px;
        line-height: 1.3;
    }

    .certifications {
        gap: 4px;
        margin-bottom: 14px;
    }

    .cert-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }

    .inquiry-btn {
        max-width: 240px;
        padding: 10px;
        font-size: 0.9rem;
    }

    .specs-section {
        padding: 10px 4px;
    }

    .spec-card {
        padding: 10px;
        margin-bottom: 4px;
    }

    .spec-title {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .spec-content {
        font-size: 0.78rem;
    }

    .spec-list li {
        padding: 4px 0;
        font-size: 0.78rem;
    }

    .scroll-to-top {
        bottom: 12px;
        right: 12px;
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }
}

/* 超大屏幕适配 */
@media (min-width: 1367px) {
    .container {
        padding: 30px;
    }

    .product-header {
        gap: 50px;
        padding: 50px;
    }

    .main-image {
        height: 450px;
    }

    .product-title {
        font-size: 2.8rem;
    }

    .thumbnail {
        width: 70px;
        height: 70px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.spec-card:nth-child(1) { animation-delay: 0.1s; }
.spec-card:nth-child(2) { animation-delay: 0.2s; }

/* 触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .product-card:hover {
        transform: none;
    }

    .main-image:hover {
        transform: none;
    }

    .thumbnail:hover {
        border-color: transparent;
        transform: none;
    }

    .nav-btn:hover {
        background: #ffffff;
        color: #1A4FA2;
        transform: none;
    }

    .cert-badge:hover {
        transform: none;
        background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
        color: #0369a1;
    }

    .inquiry-btn:hover {
        transform: none;
    }

    .spec-card:hover {
        transform: none;
    }

    .scroll-to-top:hover {
        transform: translateY(0) scale(1);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .product-card {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    }

    .main-image {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background: #0f172a;
        color: #e2e8f0;
    }

    .product-card {
        background: #1e293b;
        border-color: #334155;
    }

    .specs-section {
        background: #0f172a;
    }

    .spec-card {
        background: #1e293b;
        border-color: #334155;
    }
}