/* ========== 商品详情页专用样式 ========== */
.detail-page {
    padding: 20px 0 40px;
}

.detail-main {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px;
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 40px;
    margin-bottom: 16px;
}

/* 图片区 */
.gallery-main {
    width: 100%;
    height: 480px;
    background: linear-gradient(135deg, #F5F7FA, #fff);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 12px;
    border: 1px solid var(--line);
}

.zoom-hint {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.gallery-thumbs {
    display: flex;
    gap: 8px;
}

.thumb {
    width: 60px;
    height: 60px;
    border: 2px solid transparent;
    border-radius: 6px;
    background: #F5F7FA;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-3);
    cursor: pointer;
    transition: all 0.2s;
}

.thumb i {
    font-size: 24px;
}

.thumb.active {
    border-color: var(--primary);
}

.thumb:hover {
    border-color: var(--primary-light);
}

.detail-share {
    margin-top: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--line);
    color: var(--text-3);
    font-size: 12px;
    display: flex;
    justify-content: space-between;
}

.ml-20 {
    margin-left: 20px;
}

.ml-20 i {
    cursor: pointer;
    transition: color 0.2s;
}

.ml-20 i:hover {
    color: var(--primary);
}

/* 右侧信息 */
.detail-title {
    font-size: 22px;
    color: var(--text-1);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
}

.detail-sub {
    color: var(--secondary);
    font-size: 13px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: #FFF8F0;
    border-radius: 6px;
    border-left: 3px solid var(--secondary);
}

/* 价格 */
.price-block {
    background: linear-gradient(135deg, #FFF1E2 0%, #FFF8F0 100%);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 20px;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 8px;
}

.price-label {
    color: var(--text-2);
    font-size: 13px;
}

.price-now {
    color: var(--secondary);
    font-size: 18px;
    font-weight: 700;
}

.price-now em {
    font-style: normal;
    font-size: 30px;
    margin-left: 2px;
}

.price-old {
    color: var(--text-3);
    font-size: 14px;
    text-decoration: line-through;
}

.price-tag {
    background: var(--secondary);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.price-promotion {
    color: var(--text-2);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.price-promotion i {
    color: var(--secondary);
}

/* 属性 */
.attr-block {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.attr-row {
    display: flex;
    padding: 12px 20px;
    border-bottom: 1px solid var(--line);
}

.attr-row:last-child {
    border-bottom: none;
}

.attr-label {
    width: 80px;
    color: var(--text-2);
    font-size: 13px;
    line-height: 30px;
    flex-shrink: 0;
}

.attr-value {
    flex: 1;
    color: var(--text-1);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.attr-value select {
    padding: 4px 8px;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--text-1);
    font-size: 13px;
    cursor: pointer;
}

.stock-info {
    color: var(--primary);
    font-size: 12px;
}

.attr-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.attr-options .opt {
    padding: 6px 14px;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--text-1);
    font-size: 13px;
    transition: all 0.2s;
    cursor: pointer;
}

.attr-options .opt:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.attr-options .opt.active {
    border-color: var(--secondary);
    color: var(--secondary);
    background: #FFF1E2;
}

/* 数量 */
.qty-control {
    display: flex;
    align-items: center;
    gap: 0;
}

.qty-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text-2);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.qty-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.qty-btn:first-child {
    border-radius: 4px 0 0 4px;
}

.qty-btn:last-of-type {
    border-radius: 0 4px 4px 0;
}

.qty-input {
    width: 60px;
    height: 30px;
    border: 1px solid var(--line);
    border-left: none;
    border-right: none;
    text-align: center;
    font-size: 13px;
    color: var(--text-1);
}

.stock-tip {
    color: var(--text-3);
    font-size: 12px;
    margin-left: 12px;
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.btn-cart, .btn-buy {
    flex: 1;
    height: 50px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-cart {
    background: linear-gradient(90deg, #FF8C42 0%, #FFA866 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 140, 66, 0.3);
}

.btn-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 140, 66, 0.4);
}

.btn-buy {
    background: linear-gradient(90deg, #2DD4A7 0%, #1FB892 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(45, 212, 167, 0.3);
}

.btn-buy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(45, 212, 167, 0.4);
}

/* 服务承诺 */
.service-promise {
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 12px 16px;
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-2);
}

.service-promise span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.service-promise i {
    color: var(--primary);
    font-size: 16px;
}

/* ========== 详情下方 ========== */
.detail-bottom {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 16px;
}

.detail-side .side-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
}

.detail-side h3 {
    font-size: 16px;
    color: var(--text-1);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    text-align: center;
}

.side-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.side-item {
    display: flex;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.side-item:hover {
    background: var(--bg-soft);
}

.side-img {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: rgba(0, 0, 0, 0.2);
}

.side-img i {
    font-size: 32px;
}

.side-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.side-info h4 {
    font-size: 13px;
    color: var(--text-1);
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.side-info span {
    color: var(--secondary);
    font-size: 14px;
    font-weight: 700;
}

/* 内容区 */
.detail-content {
    background: #fff;
    border-radius: var(--radius);
    padding: 0;
    overflow: hidden;
}

.content-tabs {
    display: flex;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
}

.content-tabs .tab {
    padding: 14px 24px;
    color: var(--text-2);
    font-size: 14px;
    position: relative;
    transition: color 0.2s;
}

.content-tabs .tab:hover {
    color: var(--primary);
}

.content-tabs .tab.active {
    color: var(--primary);
    font-weight: 600;
    background: #fff;
}

.content-tabs .tab.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.content-tabs em {
    font-style: normal;
    color: var(--secondary);
    font-size: 12px;
    margin-left: 2px;
}

.content-body {
    padding: 24px;
}

/* 规格表 */
.spec-table {
    margin-bottom: 30px;
}

.spec-table h3 {
    font-size: 16px;
    color: var(--text-1);
    margin-bottom: 12px;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}

.spec-table table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table table td {
    padding: 10px 16px;
    border: 1px solid var(--line);
    font-size: 13px;
}

.spec-table table td:first-child {
    width: 120px;
    background: var(--bg-soft);
    color: var(--text-2);
}

.spec-table table td:last-child {
    color: var(--text-1);
}

/* 商品图 */
.product-images h3 {
    font-size: 16px;
    color: var(--text-1);
    margin-bottom: 12px;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}

.img-block {
    height: 280px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    text-align: center;
}

.img-block p {
    margin-top: 20px;
    color: var(--text-1);
    font-size: 16px;
    font-weight: 500;
}