/* ========================================
   产品详情页样式
   ======================================== */

/* 产品详情区域 */
.product-detail {
    background-color: #F5F5F5;
    padding: 30px 30px 80px 30px;
}

.product-detail-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
    font-size: 16px;
}

.breadcrumb-item {
    color: #424242;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.breadcrumb-item a {
    color: #424242;
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: #4B1C87;
    text-decoration: none;
}

.breadcrumb-item:hover {
    color: #4B1C87;
}

.breadcrumb-item.active {
    color: #424242;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #424242;
    font-weight: 500;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.breadcrumb-separator svg {
    width: 16px;
    height: 16px;
    stroke: #424242;
}

/* 产品详情内容 */
.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: transparent;
}

/* ========================================
   左侧：产品图片相册
   ======================================== */
.product-gallery {
    display: flex;
    gap: 30px;
    align-items: stretch; /* 让子元素高度一致 */
}

/* 缩略图容器（包含滑动条和缩略图） */
.product-gallery-thumbs-container {
    display: flex;
    gap: 12px;
    align-items: stretch; /* 让滑动条和缩略图高度一致 */
    height: 465px; /* 与主图高度一致 */
}

/* Swiper 滑动条包装器（左侧） */
.gallery-scrollbar-wrapper {
    width: 3px;
    height: 100%;
    flex-shrink: 0;
    order: 1;
    position: relative;
}

/* Swiper 滑动条 */
.gallery-scrollbar {
    width: 3px !important;
    height: 100% !important;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    position: relative !important;
    left: auto !important;
    right: auto !important;
    top: 0 !important;
}

.gallery-scrollbar .swiper-scrollbar-drag {
    background-color: #000000;
    border-radius: 2px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

.gallery-scrollbar .swiper-scrollbar-drag:hover {
    background-color: #333333;
}

/* 缩略图 Swiper 容器 */
.product-gallery-thumbs {
    width: 70px;
    height: 465px; /* 与主图高度一致 */
    max-height: 465px;
    position: relative;
    overflow: hidden;
    order: 2;
}

.product-gallery-thumbs .swiper-wrapper {
    display: flex;
    flex-direction: column;
    /* 注意：gap 不要在这里设置，由 Swiper 的 spaceBetween 控制 */
}

/* 缩略图项 */
.gallery-thumb {
    width: 70px;
    height: 70px;
    min-height: 70px;
    max-height: 70px;
    opacity: 0.6;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #D9D9D9;
    border-radius: 0;
    overflow: hidden;
    flex-shrink: 0;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.gallery-thumb:hover {
    opacity: 1;
    border-color: #999999;
}

.gallery-thumb.swiper-slide-thumb-active,
.swiper-slide-thumb-active.gallery-thumb {
    opacity: 1 !important;
    border: 1px solid #000000 !important;
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 主图显示 */
.product-gallery-main {
    width: 465px; /* 固定宽度 */
    height: 465px; /* 固定高度 */
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #EFEFEF;
}

.gallery-main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

/* ========================================
   右侧：产品信息
   ======================================== */
.product-info-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

/* 产品标题 */
.product-detail-title {
    font-size: 32px;
    font-weight: 700;
    color: #000000;
    line-height: 1.3;
    margin: 0 0 8px 0;
}

/* 产品副标题 */
.product-detail-subtitle {
    font-size: 16px;
    font-weight: 700;
    color: #000000;
    margin: 0 0 8px 0;
}

/* 产品描述 */
.product-description {
    margin: 0 0 24px 0;
}

.product-description ul {
    padding-left: 20px;
    margin: 0;
}

.product-description ul li {
    margin-bottom: 8px;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features li {
    font-size: 12px;
    font-weight: 500;
    color: #9D9D9D;
    line-height: 1.8;
    padding-left: 20px;
    position: relative;
}

.product-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #4B1C87;
    font-weight: 700;
}

/* 颜色选择 */
.product-colors {
    margin-top: auto;
}

.product-colors-title {
    font-size: 12px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 16px;
}

.product-color-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.product-color-item {
    width: 32px;
    height: 32px;
    border: 1px solid #E0E0E0;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    padding: 0;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-color-item:hover {
    border-color: #666666;
}

.product-color-item.active {
    border: 1px solid #000000;
    box-shadow: none;
}

.product-color-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 多属性选择组 */
.product-attribute-group {
    margin-bottom: 20px;
}

.product-attribute-title {
    font-size: 14px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.product-attribute-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* 图片按钮类型 */
.product-attribute-item.image-button,
.product-attribute-item.default-button {
    width: 32px;
    height: 32px;
    border: 1px solid #E0E0E0;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    padding: 0;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-attribute-item.image-button:hover,
.product-attribute-item.default-button:hover {
    border-color: #666666;
}

.product-attribute-item.image-button.active,
.product-attribute-item.default-button.active {
    border: 1px solid #000000;
}

.product-attribute-item.image-button img,
.product-attribute-item.default-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-attribute-item .no-image {
    font-size: 10px;
    color: #666;
    text-align: center;
    padding: 2px;
}

/* 文字按钮类型 */
.product-attribute-item.text-button {
    padding: 4px 10px;
    border: 1px solid #E0E0E0;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #FFFFFF;
    font-size: 14px;
    color: #333;
    text-transform: uppercase;
}

.product-attribute-item.text-button:hover {
    border-color: #666666;
    background: #f5f5f5;
}

.product-attribute-item.text-button.active {
    border: 1px solid #000000;
    background: #000000;
    color: #FFFFFF;
}

/* 产品对比按钮 */
.product-compare-section {
    margin-top: 25px;
    display: flex;
    align-items: flex-start;
}

.btn-add-to-compare {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(70deg, #E60D6E 0%, #4B1C87 50%);
    border: none;
    color: #fff;
    border-radius: 25px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 2px 8px rgba(230, 13, 110, 0.3);
}

.btn-add-to-compare:hover {
    background: linear-gradient(70deg, #4B1C87 0%, #E60D6E 50%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(230, 13, 110, 0.4);
}

.compare-icon-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.compare-heart-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: all 0.3s ease;
}

.btn-add-to-compare.added .compare-heart-icon {
    fill: currentColor;
    animation: heartBeat 0.6s ease;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
}

.compare-count-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.compare-count-badge.show {
    display: flex;
    animation: popIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes popIn {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

.compare-btn-text {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.btn-add-to-compare.added {
    background: #4B1C87;
}

.btn-add-to-compare.added:hover {
    background: #3a1569;
    box-shadow: 0 4px 16px rgba(75, 28, 135, 0.4);
}

/* 查看对比按钮 */
.btn-view-compare {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #000;
    border: none;
    color: #fff;
    border-radius: 25px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    margin-left: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-view-compare:hover {
    background: linear-gradient(70deg, #E60D6E 0%, #4B1C87 50%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(230, 13, 110, 0.4);
    color: #fff;
}

.btn-view-compare svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-view-compare:hover svg {
    transform: translateX(3px);
}

/* ========================================
   Tab切换区域
   ======================================== */
.product-tabs {
    width: 100%;

}

/* Tab导航 - 全宽白色背景 */
.product-tabs-nav {
    background: #FFFFFF;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

/* Tab导航内层 - 居中限制1200px */
.product-tabs-nav-inner {
    display: flex;
    gap: 60px;
    width: 100%;
    max-width: 1200px;
    justify-content: center;
}

.product-tab-btn {
    flex: 0 0 auto; /* 不扩展，不收缩，根据内容自适应 */
    padding: 18px 0;
    font-size: 16px;
    font-weight: 500;
    color: #000000;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap; /* 防止文字换行 */
}

.product-tab-btn:hover {
    color: #000000;
}

.product-tab-btn.active {
    color: #000000;
    font-weight: 500;
}

/* Tab按钮下方的箭头图标 */
.product-tab-arrow {
    width: 13px;
    height: 7px;
    opacity: 1;
    transition: all 0.3s ease;
}

.product-tab-btn:not(.active) .product-tab-arrow {
    opacity: 0.3;
}

.product-tab-btn.active .product-tab-arrow {
    opacity: 1;
}

/* User Manual 按钮 - 下载图标在右边 */
.product-tab-btn-download {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding-bottom: 31px; /* 18px + 箭头高度7px + gap 6px = 31px，与其他按钮文字对齐 */
}

.product-tab-download-icon {
    width: 16px;
    height: 16px;
    opacity: 1;
}

/* Tab内容 */
.product-tabs-content {
    background: #f5f5f5;
    width: 100%; /* 全宽 */
}


.product-tab-panel {
    display: none;
    width: 100%; /* Tab 内容全宽 */
}

.product-tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Tab 内容容器 - 限制宽度居中 */
.tab-content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Overview 图片 - 全宽显示 */
.overview-images {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: center;
}

.overview-images p {
    margin: 0;
    padding: 0;
    line-height: 0;
}

.overview-images br {
    display: none;
}

.overview-images img {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
}

.overview-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Overview 产品对比区域 */
.overview-comparison-section {
    background: #171717;
    width: 100%;
    padding: 80px 0;
}

/* 移除所有可能的outline和虚线 */
.overview-comparison-section *,
.overview-comparison-section *:focus,
.overview-comparison-section *:active {
    outline: none !important;
    box-shadow: none !important;
}

.overview-comparison-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.overview-comparison-title {
    font-size: 36px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 60px 0;
    text-align: center;
}

.overview-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.overview-product-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* 产品图片轮播 */
.overview-product-slider {
    position: relative;
    width: 100%;
    margin-bottom: 70px;
    overflow: visible;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.overview-product-slider:active {
    cursor: grabbing;
}

.overview-slider-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 100%; /* 1:1 aspect ratio */
}

.overview-product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none;
    outline: none;
    border: none;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.overview-product-image.active {
    display: block;
}

/* 左右切换箭头 - 隐藏 */
.overview-slider-arrow {
    display: none;
}

/* 圆形分页器 */
.overview-slider-pagination {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.pagination-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.pagination-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.pagination-dot.active {
    background: #FFFFFF;
    width: 24px;
    border-radius: 4px;
}

.overview-product-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.overview-product-title {
    font-size: 32px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 20px 0;
}

.overview-product-divider {
    width: 100%;
    max-width: 300px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 0 20px 0;
}

.overview-product-description {
    font-size: 16px;
    line-height: 1.8;
    color: #FFFFFF;
    margin: 0 0 30px 0;
}

.overview-product-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(90deg, #E60D6E 0%, #4B1C87 100%);
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
    text-align: center;
}

.overview-product-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 13, 110, 0.4);
}

.overview-product-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.overview-product-btn:hover svg {
    transform: rotate(-45deg);
}

.overview-product-btn .btn-arrow {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Explore all case 按钮 */
.overview-explore-wrapper {
    margin-top: 60px;
    text-align: center;
}

.overview-explore-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    color: #FFFFFF;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.overview-explore-btn:hover {
    border-color: #FFFFFF;
    background: rgba(255, 255, 255, 0.1);
}

.overview-explore-btn svg {
    flex-shrink: 0;
}

/* Overview 内容（用于 Tech Specs） */
.overview-content {
    display: grid;
    grid-template-columns: 1fr 1px 1fr;
    gap: 40px;
    align-items: start;
}

/* Tech Specs 内容顶部外边距 */
.tech-specs-content {
    padding-top: 40px;
    padding-bottom: 40px;
}

/* 左右组容器 - 垂直排列参数项 */
.overview-left,
.overview-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* 中间分割线 */
.overview-divider {
    width: 1px;
    background: #E5E5E5;
    height: 100%;
    min-height: 400px;
}

/* Tech Specs 每个参数项 - 左右布局 */
.tech-specs-content .overview-item {
    display: flex;
    justify-content: space-between;
        align-items: flex-start;
    padding: 12px 0;
}

/* 参数名称 - 左侧 */
.tech-specs-content .overview-item h3 {
    font-size: 12px;
    font-weight: 700;
    margin: 0;
    flex: 1;
    text-align: left;
}

/* 参数值 - 右侧 */
.tech-specs-content .overview-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    text-align: left;
}

.tech-specs-content .overview-item ul li {
    font-size: 12px;
    font-weight: 700;
    margin: 0;
    padding: 0;
}

/* 交替字体颜色 - 奇数行纯黑色 */
.tech-specs-content .overview-item:nth-child(odd) h3,
.tech-specs-content .overview-item:nth-child(odd) ul li {
    color: #000000;
}

/* 交替字体颜色 - 偶数行60%透明黑色 */
.tech-specs-content .overview-item:nth-child(even) h3,
.tech-specs-content .overview-item:nth-child(even) ul li {
    color: #00000099;
}

/* 原有的 overview-item 样式（用于其他地方） */
.overview-item h3 {
    font-size: 14px;
    font-weight: 700;
    color: #000000;
    margin: 0 0 12px 0;
}

.overview-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.overview-item ul li {
    font-size: 12px;
    font-weight: 500;
    color: #9D9D9D;
    line-height: 2;
    padding: 0;
}

/* Tech Specs 规格表 */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #E5E5E5;
    border: 1px solid #E5E5E5;
}

.specs-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    background: #FFFFFF;
}

.specs-label {
    padding: 16px 20px;
    font-size: 13px;
    font-weight: 600;
    color: #000000;
    background: #F8F8F8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.specs-value {
    padding: 16px 20px;
    font-size: 13px;
    font-weight: 400;
    color: #333333;
    background: #FFFFFF;
}

/* Comparison 内容 */
.comparison-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 16px;
}

.comparison-content p {
    font-size: 14px;
    line-height: 1.8;
    color: #666666;
}

/* User Manual 内容 */
.manual-content {
    width: 100%;
    padding: 40px 0;
}

.manual-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    width: 100%;
    justify-content: center;
}

.manual-card {
    flex: 0 1 calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
    min-width: 280px;
}

.manual-card {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.manual-card-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.manual-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.manual-card-divider {
    width: 100%;
    height: 1px;
    background: #E5E5E5;
    margin-bottom: 20px;
}

.manual-card-footer {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.manual-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #000000;
    margin: 0;
    flex: 1;
    text-align: left;
}

.manual-card-download {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
    text-decoration: none;
}

.manual-card-download:hover {
    opacity: 0.7;
}

.manual-card-download svg {
    width: 26px;
    height: 26px;
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板端 (768px 及以下) */
@media (max-width: 768px) {
    .product-detail {
        padding: 20px 15px 40px 15px;
        overflow-x: hidden;
    }
    
    .breadcrumb {
        margin-bottom: 20px;
        font-size: 12px;
    }
    
    .product-detail-container {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* 产品图片相册 */
    .product-gallery {
        flex-direction: column-reverse;
        gap: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .product-gallery * {
        box-sizing: border-box;
    }
    
    .product-gallery-thumbs-container {
        flex-direction: column;
        width: 100%;
        height: auto; /* 覆盖桌面端400px */
    }
    
    .gallery-scrollbar-wrapper {
        width: 100%;
        height: 3px;
        order: 2;
    }
    
    .gallery-scrollbar {
        width: 100% !important;
        height: 3px !important;
    }
    
    .product-gallery-thumbs {
        width: 100%;
        max-width: 100%;
        height: 80px;
        order: 1;
        overflow: hidden;
    }
    
    .product-gallery-thumbs .swiper-wrapper {
        flex-direction: row;
        max-width: 100%;
    }
    
    .gallery-thumb {
        width: 80px;
        height: 80px;
    }
    
    .product-gallery-main {
        width: 250px;
        height: 250px;
        max-width: 100%;
        overflow: hidden;
    }
    
    .gallery-main-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    
    /* 产品信息 */
    .product-detail-title {
        font-size: 24px;
    }
    
    .product-detail-subtitle {
        font-size: 14px;
    }
    
    .product-features li {
        font-size: 13px;
    }
    
    .product-colors-title {
        font-size: 14px;
    }
    
    .product-color-item {
        width: 50px;
        height: 50px;
    }
    
    .product-color-item.active {
        border: 1px solid #000000;
    }
    
    /* Tab切换 - 平板端 */
    .product-tabs {
        margin-top: 40px;
    }
    
    .product-tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
    }
    
    .product-tabs-nav-inner {
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 0 15px;
        gap: 40px;
        min-width: min-content;
    }
    
    .product-tab-btn {
        font-size: 16px;
        padding: 14px 0;
        flex: 0 0 auto;
        white-space: nowrap;
    }
    
    .product-tab-arrow {
        width: 11px;
        height: 6px;
    }
    
    .product-tabs-content .product-detail-container {
        padding: 0 15px;
    }
    
    .product-tabs-content {
        padding: 24px 0;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .overview-divider {
        display: none;
    }
    
    .overview-left,
    .overview-right {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-row {
        grid-template-columns: 120px 1fr;
    }
    
    .specs-label {
        padding: 12px 16px;
        font-size: 12px;
    }
    
    .specs-value {
        padding: 12px 16px;
        font-size: 12px;
    }
    
    /* User Manual 响应式 - 平板 */
    .manual-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .manual-card {
        padding: 35px 25px;
    }
    
    .manual-card-icon {
        width: 90px;
        height: 90px;
        margin-bottom: 25px;
    }
    
    .manual-card-title {
        font-size: 17px;
    }
    
    /* Overview 产品对比 - 平板 */
    .overview-comparison-section {
        padding: 60px 0;
    }
    
    .overview-comparison-container {
        padding: 0 20px;
    }
    
    .overview-comparison-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .overview-products-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .overview-product-title {
        font-size: 24px;
    }
    
    .overview-product-subtitle {
        font-size: 14px;
    }
    
    .overview-product-description {
        font-size: 10px;
        font-weight: 500;
    }
    
    .overview-explore-wrapper {
        margin-top: 40px;
    }
    
    .overview-product-slider {
        margin-bottom: 60px;
    }
    
    .overview-slider-pagination {
        bottom: -35px;
    }
    
    .pagination-dot {
        width: 6px;
        height: 6px;
    }
    
    .pagination-dot.active {
        width: 20px;
    }
}

/* 手机端 (480px 及以下) */
@media (max-width: 480px) {
    .product-detail {
        padding: 15px 10px 30px 10px;
        overflow-x: hidden;
    }
    
    .breadcrumb {
        font-size: 12px;
        gap: 6px;
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    .breadcrumb-item,
    .breadcrumb-item a,
    .breadcrumb-separator {
        color: #424242;
        font-weight: 500;
    }
    
    .product-detail-container {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .product-detail-content {
        padding: 0;
        gap: 20px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .product-gallery {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        padding: 0 60px;
    }
    
    .product-gallery * {
        box-sizing: border-box;
    }
    
    .product-gallery-thumbs {
        width: 100%;
        max-width: 100%;
        height: 60px;
        overflow: hidden;
    }
    
    .product-gallery-thumbs .swiper-wrapper {
        max-width: 100%;
    }
    
    .gallery-thumb {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }
    
    .product-gallery-main {
        width: 100%;
        max-width: 100%;
        aspect-ratio: 1/1;
        overflow: hidden;
    }
    
    .gallery-main-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    
    .product-detail-title {
        font-size: 20px;
    }
    
    /* 产品描述 - 手机端 */
    .product-description {
        color: #9D9D9D;
        font-size: 10px;
        font-weight: 500;
        line-height: 1.6;
    }
    .product-description ul li {
        color: #9D9D9D;
        font-size: 10px;
        font-weight: 500;
        line-height: 1.6;
    }
    
    .product-detail-subtitle {
        font-size: 13px;
    }
    
    .product-features li {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .product-color-item {
        width: 45px;
        height: 45px;
    }
    
    .product-color-item.active {
        border: 1px solid #000000;
    }
    
    /* Tab切换 - 手机端 */
    .product-tabs {
        margin-top: 0px;
    }
    
    .product-tabs-nav {
        margin-left: 0;
        padding-left: 0;
        justify-content: flex-start;
    }
    
    .product-tabs-nav::-webkit-scrollbar {
        display: none; /* Chrome, Safari */
    }
    
    .product-tabs-nav-inner {
        padding: 0 20px;
        gap: 50px;
        flex-wrap: nowrap;
        justify-content: flex-start;
        min-width: min-content;
    }
    
    .product-tab-btn {
        font-size: 16px;
        padding: 12px 0;
        flex: 0 0 auto;
        white-space: nowrap;
    }
    
    .product-tab-arrow {
        width: 10px;
        height: 5px;
    }
    
    .product-tab-btn-download {
        padding-bottom: 23px; /* 12px + 5px箭头 + 6px gap = 23px，与其他按钮文字对齐 */
    }
    
    .product-tabs-content .product-detail-container {
        padding: 0;
    }
    
    .product-tabs-content {
        padding: 20px 0;
    }
    
    .overview-item h3 {
        font-size: 12px;
    }
    
    .overview-item ul li {
        font-size: 11px;
    }
    
    .overview-content h2,
    .comparison-content h2,
    .manual-content h2 {
        font-size: 18px;
    }
    
    .overview-content h3 {
        font-size: 16px;
    }
    
    .specs-row {
        grid-template-columns: 100px 1fr;
    }
    
    .specs-label,
    .specs-value {
        padding: 10px 12px;
        font-size: 11px;
    }
    
    /* User Manual 响应式 */
    .manual-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .manual-card {
        padding: 30px 20px;
    }
    
    .manual-card-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
    }
    
    .manual-card-title {
        font-size: 16px;
    }
    
    /* Overview 产品对比 - 手机 */
    .overview-comparison-section {
        padding: 40px 0;
    }
    
    .overview-comparison-container {
        padding: 0 60px;
    }
    
    .overview-comparison-title {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 30px;
    }
    
    .overview-products-grid {
        gap: 16px;
    }
    
    .overview-product-content {
        padding: 16px;
    }
    
    .overview-product-title {
        font-size: 24px;
    }
    
    .overview-product-subtitle {
        font-size: 14px;
    }
    
    .overview-product-description {
        font-size: 10px;
        font-weight: 500;
        margin-bottom: 20px;
    }
    
    .overview-explore-wrapper {
        margin-top: 30px;
    }
    
    .overview-explore-btn {
        font-size: 10px;
        padding: 8px 16px;
    }
    
    .overview-product-slider {
        margin-bottom: 55px;
    }
    
    .overview-slider-pagination {
        bottom: -30px;
    }
    
    .pagination-dot {
        width: 6px;
        height: 6px;
    }
    
    .pagination-dot.active {
        width: 18px;
    }
}

/* ========================================
   产品图片灯箱样式
   ======================================== */
.product-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.product-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.lightbox-container {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 8px;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-content {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* 灯箱缩略图容器 */
.lightbox-thumbs-container {
    width: 80px;
    height: 600px; /* 与主图高度一致 */
    flex-shrink: 0;
}

.lightbox-thumbs {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.lightbox-thumbs .swiper-wrapper {
    display: flex;
    flex-direction: column;
}

/* 灯箱缩略图 */
.lightbox-thumb {
    width: 80px !important;
    height: 80px !important;
    min-height: 80px;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.lightbox-thumb:hover {
    opacity: 0.8;
}

.lightbox-thumb.active {
    opacity: 1;
    border-color: #fff;
}

.lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 灯箱主图 */
.lightbox-main {
    width: 600px;
    height: 600px;
    background: #fff;
    position: relative;
}

.lightbox-main .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-main .swiper-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 灯箱导航按钮 */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: #000;
}

.lightbox-nav:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 15px;
}

.lightbox-next {
    right: 15px;
}

/* 灯箱响应式 */
@media (max-width: 768px) {
    .lightbox-content {
        flex-direction: column-reverse;
        gap: 15px;
    }
    
    .lightbox-thumbs-container {
        width: 100%;
        height: 60px;
    }
    
    .lightbox-thumbs {
        height: 60px;
    }
    
    .lightbox-thumbs .swiper-wrapper {
        flex-direction: row;
    }
    
    .lightbox-thumb {
        width: 60px !important;
        height: 60px !important;
        min-height: 60px;
    }
    
    .lightbox-main {
        width: 85vw;
        height: 60vh;
    }
    
    .lightbox-nav {
        width: 36px;
        height: 36px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}