/* CSS变量 */
:root {
    /* 颜色 */
    --primary-color: #ff4400;
    --primary-light: #fff1e8;
    --text-main: #333;
    --text-secondary: #666;
    --text-light: #999;
    --border-color: #e8e8e8;
    --white: #fff;
    --bg-light: #f4f4f4;
    
    /* 尺寸 */
    --container-width: 1190px;
    --space-xs: 5px;
    --space-sm: 10px;
    --space-md: 15px;
    --space-lg: 20px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-main);
    background: var(--bg-light);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 顶部导航 */
.site-nav {
    background: #000;
    height: 35px;
    line-height: 35px;
    color: #999;
}

.site-nav-bd {
    width: 1190px;
    margin: 0 auto;
}

.site-nav-bd-l {
    float: left;
}

.site-nav-bd-l li {
    float: left;
    padding: 0 10px;
}

.site-nav-bd-l a:hover {
    color: #fff;
}

/* 店铺头部 */
.shop-header {
    background: var(--white);
    border-bottom: 2px solid var(--primary-color);
}

.shop-header-content {
    width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.shop-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.shop-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.shop-logo img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.shop-level {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 12px;
}

.shop-title {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.shop-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.shop-title-main {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.shop-title h1 {
    font-size: 20px;
    color: var(--text-main);
    line-height: 1.4;
}

.shop-rate {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xs) var(--space-sm);
    border-left: 1px solid var(--border-color);
}

.shop-rate ul {
    display: flex;
    gap: var(--space-lg);
}

.shop-rate li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.rate-title {
    color: var(--text-light);
}

.rate-score {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: bold;
    margin: 0 var(--space-xs);
}

.rate-level {
    color: var(--primary-color);
    font-size: 12px;
    padding: 0 var(--space-xs);
    border-radius: 2px;
    background: var(--primary-light);
}

.shop-btns {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.collect-btn,
.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px var(--space-md);
    border-radius: 4px;
    font-size: 13px;
}

.collect-btn {
    background: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.contact-btn {
    background: var(--white);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.shop-notice {
    background: var(--primary-light);
    padding: var(--space-sm) var(--space-lg);
    margin: var(--space-sm) 0;
    border-radius: 4px;
    border-left: 4px solid var(--primary-color);
}

.notice-title {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.notice-title::before {
    content: "📢";
}

.notice-content {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}

.shop-search {
    margin-top: var(--space-sm);
}

.search-form {
    display: flex;
    width: 500px;
    margin: 0 auto;
    border-radius: 4px;
    overflow: hidden;
}

.search-type {
    position: relative;
    padding: 0 var(--space-sm);
    border: 2px solid var(--primary-color);
    border-right: none;
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.search-type .arrow {
    display: inline-block;
    margin-left: var(--space-xs);
    border-style: solid;
    border-width: 4px;
    border-color: var(--text-light) transparent transparent;
}

.search-form input {
    flex: 1;
    height: 36px;
    padding: 0 var(--space-sm);
    border: 2px solid var(--primary-color);
    border-right: none;
    font-size: 13px;
}

.search-form input:focus {
    outline: none;
}

.search-form button {
    width: 90px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 14px;
}

/* 店铺导航 */
.shop-nav {
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
}

.shop-nav ul {
    width: 1190px;
    margin: 0 auto;
    display: flex;
}

.shop-nav li {
    padding: 15px 20px;
    font-size: 14px;
}

.shop-nav li.selected {
    color: #ff4400;
    border-bottom: 2px solid #ff4400;
}

/* 主要内容区 */
.main-content {
    width: 1190px;
    margin: 20px auto;
}

.banner {
    margin-bottom: 20px;
}

.banner img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 商品列表 */
.goods-list {
    background: #fff;
    padding: 20px;
}

.goods-title {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e8e8e8;
}

.goods-title h2 {
    font-size: 16px;
    color: #333;
    margin-right: 10px;
}

.title-tag {
    color: #999;
    font-size: 12px;
}

.goods-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.goods-item {
    position: relative;
    transition: transform 0.2s;
}

.goods-item:hover {
    transform: translateY(-5px);
}

.goods-pic {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
}

.goods-pic img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.goods-info {
    padding: 10px;
}

.goods-name {
    font-size: 14px;
    color: #333;
    margin-bottom: 5px;
    height: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.goods-tags {
    margin: 5px 0;
}

.tag {
    display: inline-block;
    padding: 2px 5px;
    background: #fff1e8;
    color: #ff4400;
    border-radius: 2px;
    margin-right: 5px;
}

.goods-desc {
    color: #999;
    margin: 5px 0;
    height: 36px;
    overflow: hidden;
}

.goods-price {
    color: #ff4400;
    margin: 10px 0;
}

.price-tag {
    font-size: 12px;
    margin-right: 5px;
}

.price-num {
    font-size: 20px;
    font-weight: bold;
}

.price-num::before {
    content: "¥";
    font-size: 14px;
}

.goods-extra {
    color: #999;
    font-size: 12px;
}

.goods-extra span {
    margin-right: 10px;
}

/* 店铺底部 */
.shop-footer {
    background: var(--white);
    padding: var(--space-lg) 0;
    margin-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-service {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.footer-service dl {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-service dt {
    font-size: 14px;
    color: var(--text-main);
    font-weight: bold;
    margin-bottom: var(--space-xs);
}

.footer-service dd {
    font-size: 12px;
    line-height: 1.8;
}

.footer-service dd a {
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-service dd a:hover {
    color: var(--primary-color);
}

.footer-info {
    text-align: center;
    color: var(--text-light);
    font-size: 12px;
    line-height: 1.8;
}

.footer-info p {
    margin-bottom: var(--space-xs);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 12px;
    position: relative;
}

.footer-links a:not(:last-child)::after {
    content: "";
    position: absolute;
    right: calc(var(--space-md) / -2);
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background: var(--border-color);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* 响应式底部 */
@media (max-width: 1200px) {
    .footer-content {
        width: 100%;
        padding: 0 var(--space-md);
    }

    .footer-service {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg) var(--space-md);
    }
}

@media (max-width: 768px) {
    .footer-service {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-service dl {
        align-items: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-sm) var(--space-md);
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .site-nav-bd,
    .shop-header-content,
    .shop-nav ul,
    .main-content,
    .footer-content {
        width: 100%;
        padding: 0 15px;
    }

    .goods-items {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .goods-items {
        grid-template-columns: 1fr;
    }

    .search-form {
        width: 100%;
    }
}

/* 商品详情页样式 */
.detail-content {
    width: 1190px;
    margin: 20px auto;
}

.detail-summary {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 20px;
    background: #fff;
    padding: 20px;
}

/* 图片展示区 */
.detail-gallery {
    position: relative;
}

.gallery-main {
    width: 420px;
    height: 420px;
    border: 1px solid #f5f5f5;
    margin-bottom: 10px;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
}

.gallery-thumbs img {
    width: 60px;
    height: 60px;
    border: 2px solid transparent;
    cursor: pointer;
}

.gallery-thumbs img.active {
    border-color: #ff4400;
}

/* 商品信息区 */
.detail-info {
    padding: 0 20px;
}

.detail-hd {
    margin-bottom: 20px;
}

.detail-hd h1 {
    font-size: 16px;
    color: #333;
    line-height: 1.5;
}

.edu-mark {
    color: #ff4400;
    margin-right: 5px;
}

.detail-price {
    background: #fff2e8;
    padding: 15px;
    margin-bottom: 20px;
}

.price-label {
    color: #999;
    margin-right: 10px;
}

.price-num {
    color: #ff4400;
    font-size: 24px;
    font-weight: bold;
}

.price-notice {
    color: #999;
    margin-left: 10px;
    font-size: 12px;
}

.detail-meta {
    border-top: 1px solid #f5f5f5;
    padding-top: 20px;
}

.detail-meta dl {
    display: flex;
    margin-bottom: 15px;
}

.detail-meta dt {
    width: 80px;
    color: #999;
}

.detail-meta dd {
    flex: 1;
}

.meta-tag {
    display: inline-block;
    padding: 2px 8px;
    background: #fff2e8;
    color: #ff4400;
    border-radius: 2px;
    margin-right: 10px;
}

.detail-notice {
    background: #fff2e8;
    padding: 10px;
    margin-top: 20px;
    color: #ff4400;
    font-size: 12px;
}

/* 商品详情区 */
.detail-main {
    margin-top: 20px;
    background: #fff;
}

.detail-tab {
    border-bottom: 2px solid #ff4400;
}

.detail-tab ul {
    display: flex;
}

.detail-tab li {
    padding: 12px 25px;
    font-size: 14px;
    cursor: pointer;
}

.detail-tab li.selected {
    background: #ff4400;
    color: #fff;
}

.detail-content {
    padding: 20px;
}

.detail-attributes {
    margin-bottom: 30px;
}

.detail-attributes h3,
.detail-desc h3 {
    font-size: 14px;
    color: #333;
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 4px solid #ff4400;
}

.attributes-list li {
    margin-bottom: 10px;
    color: #666;
}

.desc-content {
    color: #666;
    line-height: 1.8;
}

.desc-images {
    margin-top: 20px;
}

.desc-images img {
    max-width: 100%;
    margin-bottom: 10px;
}

/* 店铺头部新增样式 */
.shop-logo {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.shop-logo img {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    border: 1px solid #e8e8e8;
}

.shop-level {
    background: #ff4400;
    color: #fff;
    padding: 2px 5px;
    border-radius: 2px;
    font-size: 12px;
    margin-left: 10px;
}

.shop-btns {
    display: flex;
    gap: 10px;
}

.contact-btn {
    display: inline-block;
    padding: 5px 15px;
    background: #fff;
    color: #666;
    border: 1px solid #ddd;
    border-radius: 2px;
}

.contact-btn:hover {
    border-color: #ff4400;
    color: #ff4400;
}

.rate-level {
    color: #ff4400;
    font-size: 12px;
}

.shop-notice {
    background: #fff2e8;
    padding: 10px;
    margin: 10px 0;
    border-radius: 2px;
}

.notice-title {
    color: #ff4400;
    font-weight: bold;
    margin-bottom: 5px;
}

.notice-content {
    color: #666;
    font-size: 12px;
}

/* 搜索框新增样式 */
.search-type {
    position: relative;
    padding: 0 10px;
    border: 2px solid #ff4400;
    border-right: none;
    background: #fff;
    cursor: pointer;
}

.search-type .arrow {
    display: inline-block;
    margin-left: 5px;
    border-style: solid;
    border-width: 4px;
    border-color: #666 transparent transparent;
}

/* 分类导航新增样式 */
.nav-content {
    width: 1190px;
    margin: 0 auto;
    position: relative;
}

.nav-category {
    position: relative;
}

.category-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    background: #fff;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 100;
}

.nav-category:hover .category-menu {
    display: block;
}

.category-menu dl {
    padding: 10px;
}

.category-menu dt {
    color: #333;
    font-weight: bold;
    margin-bottom: 5px;
}

.category-menu dd {
    padding: 3px 0;
}

.category-menu dd a:hover {
    color: #ff4400;
}

/* 商品筛选新增样式 */
.goods-filter {
    background: #fff;
    padding: 10px 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
}

.filter-tabs {
    display: flex;
    gap: 20px;
}

.filter-tabs a {
    color: #333;
    padding: 5px 0;
}

.filter-tabs a.active {
    color: #ff4400;
    border-bottom: 2px solid #ff4400;
}

.filter-sort {
    display: flex;
    align-items: center;
    margin-top: 10px;
    gap: 20px;
}

.price-range input {
    width: 60px;
    padding: 3px 5px;
    border: 1px solid #ddd;
}

/* 商品详情页新增样式 */
.gallery-zoom-lens {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 1px solid #ddd;
    background: rgba(255,255,255,0.4);
    cursor: move;
    display: none;
}

.gallery-main:hover .gallery-zoom-lens {
    display: block;
}

.gallery-share {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.share-btn {
    color: #666;
}

.detail-subtitle {
    color: #999;
    font-size: 14px;
    margin-top: 5px;
}

.price-line {
    display: flex;
    align-items: baseline;
}

.price-extra {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #f5f5f5;
}

.extra-item {
    display: flex;
    flex-direction: column;
}

.extra-item label {
    color: #999;
    font-size: 12px;
}

.extra-item em {
    color: #ff4400;
    font-style: normal;
    font-weight: bold;
}

.sku-item {
    margin-bottom: 10px;
}

.sku-title {
    color: #999;
    margin-bottom: 5px;
    display: block;
}

.sku-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sku-list li {
    padding: 5px 10px;
    border: 1px solid #ddd;
    cursor: pointer;
}

.sku-list li.selected {
    border-color: #ff4400;
    color: #ff4400;
}

.quantity-control {
    display: flex;
    align-items: center;
}

.quantity-control button {
    width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    background: #f7f7f7;
    cursor: pointer;
}

.quantity-control input {
    width: 50px;
    height: 28px;
    text-align: center;
    border: 1px solid #ddd;
    border-left: none;
    border-right: none;
}

.quantity-total {
    color: #999;
    margin-left: 10px;
}

.detail-btns {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.btn-preview {
    padding: 10px 30px;
    background: #ff4400;
    color: #fff;
    border-radius: 2px;
}

.btn-consult {
    padding: 10px 30px;
    background: #fff2e8;
    color: #ff4400;
    border: 1px solid #ff4400;
    border-radius: 2px;
}

.detail-service {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #f5f5f5;
}

.detail-service h3 {
    color: #333;
    margin-bottom: 10px;
}

.detail-service ul {
    display: flex;
    gap: 20px;
}

.detail-service li {
    color: #666;
}

.detail-service li::before {
    content: "✓";
    color: #ff4400;
    margin-right: 5px;
}

/* 评价区域样式 */
.detail-reviews {
    background: #fff;
    margin-top: 20px;
    padding: 20px;
}

.reviews-header {
    border-bottom: 1px solid #e8e8e8;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.reviews-header h3 {
    font-size: 16px;
    color: #333;
}

.reviews-header h3 span {
    color: #ff4400;
    margin-left: 5px;
}

.review-tags {
    margin-top: 10px;
    display: flex;
    gap: 15px;
}

.review-tags span {
    padding: 2px 10px;
    border: 1px solid #ddd;
    border-radius: 2px;
    cursor: pointer;
}

.review-tags span.active {
    color: #ff4400;
    border-color: #ff4400;
}

.review-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid #f5f5f5;
}

.reviewer img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.reviewer .name {
    display: block;
    margin-top: 5px;
    color: #999;
    text-align: center;
}

.review-text {
    color: #333;
    line-height: 1.6;
    margin-bottom: 10px;
}

.review-pics {
    display: flex;
    gap: 10px;
    margin: 10px 0;
}

.review-pics img {
    width: 60px;
    height: 60px;
    object-fit: cover;
}

.review-meta {
    color: #999;
    font-size: 12px;
}

.review-meta span {
    margin-right: 15px;
}

/* 相关推荐样式 */
.detail-recommend {
    background: #fff;
    margin-top: 20px;
    padding: 20px;
}

.detail-recommend h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.recommend-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
}

.recommend-item {
    text-align: center;
}

.recommend-item img {
    width: 120px;
    height: 120px;
    object-fit: cover;
}

.recommend-item h4 {
    font-size: 12px;
    color: #333;
    margin: 5px 0;
    height: 36px;
    overflow: hidden;
}

.recommend-price {
    color: #ff4400;
    font-weight: bold;
}