/* ===== 商品详情页样式 (还原设计稿) ===== */

/* ===== 面包屑 ===== */
.goods-breadcrumb {
    background: #fff;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}
.goods-breadcrumb .container {
    font-size: 13px;
    color: #999;
}
.goods-breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}
.goods-breadcrumb a:hover { color: #e03a3a; }
.goods-breadcrumb span {
    margin: 0 6px;
    color: #ccc;
}

/* ===== 主体布局 ===== */
.goods-main {
    padding: 28px 0 40px;
    background: #fff;
}
.goods-main .row {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

/* 左侧：商品图片 */
.goods-left {
    width: 445px;
    flex-shrink: 0;
}
.gallery-main {
    width: 420px;
    height: 540px;
    border-radius: 12px;
    overflow: hidden;
    background: #faf8f5;
    border: 1px solid #f0ece5;
    position: relative;
    cursor: zoom-in;
}
.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #faf8f5;
    transition: transform 0.35s;
}
.gallery-main:hover img { transform: scale(1.03); }
/* 放大镜按钮 */
.gallery-main .zoom-btn {
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.88);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #555;
    box-shadow: 0 2px 10px rgba(0,0,0,0.12);
    transition: all 0.25s;
    cursor: pointer;
    z-index: 5;
}
.gallery-main .zoom-btn:hover {
    background: #fff;
    color: #e03a3a;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    transform: scale(1.1);
}

/* 缩略图条 */
.gallery-thumbs {
    margin-top: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.gallery-thumbs .thumb-list {
    display: flex;
    gap: 10px;
    flex: 1;
    overflow: hidden;
}
.gallery-thumbs .thumb-item {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    opacity: 0.65;
    background: #f5f5f5;
}
.gallery-thumbs .thumb-item.active,
.gallery-thumbs .thumb-item:hover {
    opacity: 1;
    border-color: #e03a3a;
}
.gallery-thumbs .thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.gallery-thumbs .thumb-arrow {
    width: 28px;
    height: 42px;
    background: #f5f5f5;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: #999;
    flex-shrink: 0;
    transition: all 0.2s;
    user-select: none;
}
.gallery-thumbs .thumb-arrow:hover {
    background: #eee;
    color: #666;
}

/* ===== 右侧：商品信息 ===== */
.goods-right {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

/* 标题区 */
.goods-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.goods-info-title {
    font-size: 24px;
    font-weight: 600;
    color: #222;
    line-height: 1.3;
    letter-spacing: 0.5px;
    margin-bottom: 0 !important;
}
.stock-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 10px;
    border: 1px solid #e03a3a;
    border-radius: 4px;
    font-size: 12px;
    color: #e03a3a;
    line-height: 1.4;
    flex-shrink: 0;
    font-weight: 500;
}
.goods-subtitle {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin-bottom: 18px;
}

/* 语言/地区属性行 */
.goods-attr-row {
    display: flex;
    gap: 24px;
    margin-bottom: 18px;
    padding: 10px 0 14px;
    border-bottom: 1px solid #f0ece5;
}
.goods-attr-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}
.goods-attr-label {
    color: #bbb;
    font-weight: 500;
    letter-spacing: 0.5px;
}
.goods-attr-value {
    color: #333;
    font-weight: 500;
}
.goods-attr-value::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #e03a3a;
    margin-right: 8px;
    vertical-align: middle;
}

/* 价格区 */
.goods-price-section {
    margin-bottom: 20px;
}
.goods-price-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 14px;
}
.goods-price-symbol {
    font-size: 22px;
    color: #e03a3a;
    font-weight: 700;
}
.goods-price-value {
    font-size: 36px;
    color: #e03a3a;
    font-weight: 700;
    line-height: 1;
}
.goods-price-original {
    font-size: 14px;
    color: #bbb;
    text-decoration: line-through;
    font-weight: 400;
}
.goods-price-unit {
    font-size: 14px;
    color: #999;
    margin-left: 4px;
}
.goods-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.goods-tag-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #888;
}
.goods-tag-item i {
    color: #bbb;
    font-size: 13px;
}

/* 会员促销栏 */
.member-promo-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #fffbf5, #fff8ef);
    border: 1px solid #ffe8d0;
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 18px;
}
.member-promo-text {
    font-size: 13px;
    color: #996c33;
    font-weight: 500;
}
.member-promo-btn {
    padding: 5px 16px;
    background: linear-gradient(135deg, #ff9a56, #f57c38);
    color: #fff;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.25s;
}
.member-promo-btn:hover {
    background: linear-gradient(135deg, #f57c38, #e86b2a);
    box-shadow: 0 3px 10px rgba(245,124,56,0.3);
}

/* 服务图标行 */
.service-icon-row {
    display: flex;
    gap: 24px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px dotted #e8e8e8;
}
.service-icon-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #666;
    cursor: default;
}
.service-icon-item i {
    font-size: 16px;
    color: #e03a3a;
}

/* 规格选择 - 卡片式 */
.goods-spec-section {
    margin-bottom: 22px;
}
.spec-group {
    margin-bottom: 16px;
}
.spec-label {
    font-size: 14px;
    color: #333;
    font-weight: 500;
    margin-bottom: 12px;
}
.spec-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.spec-option {
    padding: 10px 20px;
    border: 1.5px solid #e5e5e5;
    border-radius: 8px;
    font-size: 13px;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
    user-select: none;
    position: relative;
    min-width: 90px;
    text-align: center;
}
.spec-option:hover {
    border-color: #e03a3a;
    color: #e03a3a;
}
.spec-option.active {
    border-color: #e03a3a;
    color: #e03a3a;
    background: #fef6f6;
    font-weight: 500;
}
.spec-option.disabled {
    background: #fafafa;
    border-color: #eee;
    color: #ccc;
    cursor: not-allowed;
}

/* 固定规格（如"类型"）- 始终选中不可改 */
.spec-fixed .spec-label::after {
    content: '（固定）';
    font-size: 11px;
    color: #aaa;
    font-weight: 400;
}
.spec-fixed .spec-option {
    cursor: default;
    pointer-events: none;
}
.spec-fixed .spec-option:not(.active) {
    display: none;  /* 隐藏非选中项 */
}

/* 数量选择 */
.goods-qty-section {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
}
.goods-qty-label {
    font-size: 14px;
    color: #555;
    font-weight: 500;
}
.qty-input-group {
    display: flex;
    align-items: center;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}
.qty-btn {
    width: 40px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fcfcfc;
    cursor: pointer;
    font-size: 17px;
    color: #666;
    transition: all 0.2s;
    user-select: none;
    border: none;
}
.qty-btn:hover { background: #f0f0f0; color: #e03a3a; }
.qty-input {
    width: 58px;
    height: 38px;
    border: none;
    border-left: 1px solid #e0e0e0;
    border-right: 1px solid #e0e0e0;
    text-align: center;
    font-size: 14px;
    color: #333;
    outline: none;
    font-weight: 500;
}
.goods-stock-text {
    font-size: 13px;
    color: #aaa;
}
.goods-stock-text span { color: #52c41a; }

/* 购买按钮 */
.goods-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.btn-add-cart {
    min-width: 160px;
    height: 48px;
    background: #e03a3a;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.btn-add-cart:hover {
    background: #cc3333;
    box-shadow: 0 4px 16px rgba(224,58,58,0.3);
}
.btn-buy-now {
    min-width: 180px;
    height: 48px;
    background: #fff;
    color: #e03a3a;
    border: 1.5px solid #e03a3a;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
}
.btn-buy-now:hover {
    background: #fef6f6;
    box-shadow: 0 4px 16px rgba(224,58,58,0.12);
}

/* 订阅须知 */
.subscribe-notice {
    margin-top: 20px;
    padding: 16px 20px;
    background: #faf9f7;
    border-radius: 10px;
    border: 1px solid #eee;
}
.subscribe-notice-title {
    font-size: 14px;
    font-weight: 600;
    color: #444;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed #e0e0e0;
}
.subscribe-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.subscribe-notice-list li {
    position: relative;
    padding-left: 16px;
    font-size: 13px;
    color: #666;
    line-height: 1.8;
}
.subscribe-notice-list li:nth-child(2){
    color: red;
}
.subscribe-notice-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ccc;
}

/* 优惠券行（保留）*/
.goods-coupon-row {
    background: #fffbf8;
    border: 1px dashed #ffdcc4;
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.goods-coupon-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fff5f0, #ffece0);
    color: #e74c3c;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.goods-coupon-list { flex: 1; display: flex; flex-wrap: wrap; gap: 8px; }
.coupon-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: linear-gradient(135deg, #fff5f0, #ffe8d6);
    border: 1px solid #ffdcc4;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.coupon-tag:hover { background: #ffe0c4; transform: translateY(-1px); }
.coupon-tag .coupon-amount { color: #e74c3c; font-weight: 700; margin-right: 6px; }
.coupon-tag .coupon-desc { color: #888; font-size: 11px; }

/* ===== 详情Tab区 ===== */
.goods-detail-section {
    padding: 36px 0 60px;
    background: #fff;
}
.detail-tabs {
    display: flex;
    background: #fff;
    border-bottom: 1px solid #eee;
    margin-bottom: 0;
}
.detail-tab {
    padding: 16px 28px;
    font-size: 15px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
    font-weight: 400;
}
.detail-tab:hover { color: #e03a3a; }
.detail-tab.active {
    color: #e03a3a;
    font-weight: 600;
}
.detail-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: #e03a3a;
    border-radius: 2px 2px 0 0;
}

.tab-content-wrapper {
    background: transparent;
    padding: 24px 0 0;
    min-height: auto;
    display: flex;
    gap: 28px;
}
.tab-panel { display: none; width: 100%; }
.tab-panel.active { display: block; }

/* 内容左右双栏布局 */
.detail-layout {
    display: flex;
    gap: 28px;
}
.detail-left {
    flex: 1;
    min-width: 0;
}
.detail-sidebar {
    width: 280px;
    flex-shrink: 0;
}

/* 产品详情内容 */
.goods-content {
    font-size: 14px;
    color: #555;
    line-height: 1.85;
    background: #fff;
    border-radius: 10px;
    padding: 28px;
}
.goods-content img { max-width: 100%; height: auto; border-radius: 6px; }

/* 产品参数 */
.specs-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #f0f0f0;
    margin-bottom: 24px;
}
.spec-item {
    display: flex;
    padding: 13px 20px;
    font-size: 13px;
    border-bottom: 1px solid #f5f5f5;
}
.spec-item:nth-child(odd) { border-right: 1px solid #f5f5f5; }
.spec-item-name {
    color: #999;
    flex-shrink: 0;
    width: 80px;
}
.spec-item-value { color: #333; }

/* 杂志特色 */
.magazine-features {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 24px;
}
.features-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 18px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 18px 12px;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    transition: all 0.25s;
}
.feature-card:hover {
    border-color: #e03a3a;
    box-shadow: 0 4px 14px rgba(224,58,58,0.08);
    transform: translateY(-2px);
}
.feature-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fef6f6, #feecec);
    color: #e03a3a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 10px;
}
.feature-card-title {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}
.feature-card-desc {
    font-size: 11px;
    color: #999;
    line-height: 1.5;
}

/* 读者群体 */
.reader-group {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 24px;
}
.reader-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}
.reader-text {
    font-size: 13px;
    color: #666;
    line-height: 1.8;
}

/* ===== 右侧边栏 ===== */

/* 服务保障卡片 */
.sidebar-guarantee {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid #f0f0f0;
}
.guarantee-item {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
.guarantee-item:last-child { margin-bottom: 0; }
.guarantee-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fef6f6, #feecec);
    color: #e03a3a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.guarantee-info {}
.guarantee-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
}
.guarantee-desc {
    font-size: 12px;
    color: #999;
    line-height: 1.5;
}
.collect-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 11px 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    font-size: 13px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 20px;
}
.collect-btn:hover {
    border-color: #e03a3a;
    color: #e03a3a;
}

/* 看了又看 */
.sidebar-recommend {
    background: #fff;
    border-radius: 10px;
    border: 1px solid #f0f0f0;
    overflow: hidden;
}
.recommend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid #f5f5f5;
}
.recommend-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}
.recommend-refresh {
    font-size: 12px;
    color: #999;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}
.recommend-refresh:hover { color: #e03a3a; }
.recommend-list { padding: 12px 16px; }
.recommend-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
    text-decoration: none;
    transition: background 0.2s;
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
}
.recommend-item:last-child { border-bottom: none; }
.recommend-item:hover { background: #fafafa; }
.recommend-img {
    width: 64px;
    height: 82px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: #f5f5f5;
}
.recommend-img img { width: 100%; height: 100%; object-fit: cover; }
.recommend-info { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: space-between; }
.recommend-name {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.recommend-sub { font-size: 11px; color: #999; margin-top: 2px; }
.recommend-price-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}
.recommend-price {
    font-size: 15px;
    font-weight: 700;
    color: #e03a3a;
}
.recommend-add {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #e03a3a;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: all 0.2s;
}
.recommend-add:hover { background: #cc3333; }

/* ===== 底部服务保障 ===== */
.bottom-guarantee {
    padding: 28px 0 36px;
    margin-top: 40px;
}
.bottom-guarantee-title {
    margin-bottom: 24px;
}
.bottom-guarantee-title h2 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin: 0;
}
.bottom-guarantee-grid {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}
.bottom-guarantee-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 18px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}
.bottom-guarantee-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
    border-color: #ffdcc4;
}
.bottom-guarantee-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #fff5f0;
    color: #e74c3c;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.bottom-guarantee-card-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0 0 4px;
}
.bottom-guarantee-card-text p {
    font-size: 12px;
    color: #999;
    margin: 0;
}

/* ===== 评论区 ===== */
.comment-overview {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 24px;
    background: #fff;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid #f0f0f0;
}
.comment-score { text-align: center; }
.comment-percent {
    font-size: 44px;
    font-weight: 700;
    color: #e03a3a;
    line-height: 1;
}
.comment-percent span { font-size: 18px; }
.comment-percent-label { font-size: 13px; color: #999; margin-top: 4px; }
.comment-filter-tabs {
    display: flex;
    gap: 10px;
    flex: 1;
    flex-wrap: wrap;
}
.comment-filter-tab {
    padding: 7px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    font-size: 13px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.comment-filter-tab:hover { border-color: #e03a3a; color: #e03a3a; }
.comment-filter-tab.active { background: #e03a3a; border-color: #e03a3a; color: #fff; }
.comment-filter-tab span { margin-left: 4px; opacity: 0.75; }

.comment-item {
    display: flex;
    gap: 16px;
    padding: 22px 0;
    border-bottom: 1px solid #f5f5f5;
    background: #fff;
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 12px;
    border: 1px solid #f0f0f0;
}
.comment-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: #f5f5f5;
}
.comment-avatar img { width: 100%; height: 100%; object-fit: cover; }
.comment-body { flex: 1; min-width: 0; }
.comment-user { font-size: 14px; color: #333; font-weight: 500; margin-bottom: 6px; }
.comment-star { color: #ffb74d; font-size: 13px; margin-bottom: 8px; letter-spacing: 2px; }
.comment-text { font-size: 14px; color: #555; line-height: 1.7; margin-bottom: 10px; }
.comment-pics { display: flex; gap: 8px; margin-bottom: 10px; }
.comment-pics img {
    width: 64px; height: 64px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #f0f0f0;
    cursor: pointer;
}
.comment-meta { font-size: 12px; color: #bbb; display: flex; gap: 16px; }

.load-more-btn {
    display: block;
    text-align: center;
    padding: 14px 0;
    color: #999;
    font-size: 14px;
    cursor: pointer;
    margin-top: 16px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #f0f0f0;
}
.load-more-btn:hover { color: #e03a3a; border-color: #e03a3a; }

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .gallery-main { width: 360px; height: 460px; }
    .goods-left { width: 360px; }
    .gallery-thumbs .thumb-item { width: 62px; height: 62px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-sidebar { width: 240px; }
}

@media (max-width: 992px) {
    .goods-main .row { flex-direction: column; }
    .goods-left { width: 100%; display: flex; flex-direction: column; align-items: center; }
    .gallery-main { width: 400px; max-width: 100%; height: auto; aspect-ratio: 3/4; }
    .gallery-thumbs { width: 100%; max-width: 420px; justify-content: center; }
    .goods-right { width: 100%; }
    .detail-layout { flex-direction: column; }
    .detail-sidebar { width: 100%; }
    .specs-list { grid-template-columns: 1fr; }
    .spec-item:nth-child(odd) { border-right: none; }
    .bottom-guarantee-grid { flex-wrap: wrap; gap: 12px; }
    .bottom-guarantee-card { min-width: calc(33.333% - 8px); padding: 16px 14px; }
    .sidebar-recommend { display: none; }
}

@media (max-width: 768px) {
    .goods-main { padding: 16px 0 24px; }
    .goods-info-title { font-size: 19px; }
    .goods-price-value { font-size: 30px; }
    .goods-actions { flex-direction: column; }
    .btn-add-cart, .btn-buy-now { width: 100%; min-width: unset; }
    .service-icon-row { flex-wrap: wrap; gap: 14px; }
    .subscribe-notice { padding: 14px 16px; }
    .member-promo-bar { flex-direction: column; gap: 10px; text-align: center; }
    .detail-tabs { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
    .detail-tab { padding: 14px 20px; font-size: 14px; }
    .tab-content-wrapper { flex-direction: column; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .comment-overview { flex-direction: column; gap: 16px; align-items: flex-start; }
    .bottom-guarantee { padding: 24px 0 28px; }
    .bottom-guarantee-grid { gap: 12px; }
    .bottom-guarantee-card { min-width: calc(50% - 6px); }
    .tab-content-wrapper { padding: 16px 0 0; }
    .goods-content { padding: 18px; }
}