/* ============================================================
   Product Categories Slider（带左右箭头）—— 终极兼容版
   文件：assets/css/product-categories-slider.css
   配套：inc/product-categories-slider.php
         assets/js/product-categories-slider.js
   规则：桌面一次显示 4 个，手机一次显示 2 个
   说明：同时兼容 pc-slider-arrow 与 slider-arrow 两套命名
   最后修改：2026-09
   ============================================================ */

/* ── 0. 外层容器（箭头定位参照）────────────────────────────────── */
.product-categories-slider-wrapper {
    position: relative !important;   /* ★ 关键：箭头 absolute 的参照 */
    max-width: 1400px;
    margin: 40px auto 20px;
    padding: 0 50px !important;      /* ★ 左右留白给箭头 */
}

/* 兼容旧版 container 结构 */
.product-categories-slider-container {
    position: relative !important;
}

.slider-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 18px;
    color: #333;
}

/* ── 1. 滑动轨道 ──────────────────────────────────────────────── */
.product-categories-slider {
    display: flex !important;
    overflow-x: auto !important;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 20px;
    padding: 4px 2px 12px;
}
.product-categories-slider::-webkit-scrollbar {
    display: none;
}

/* ── 2. 分类卡片 ──────────────────────────────────────────────── */
.product-category-card {
    scroll-snap-align: start;
    flex: 0 0 calc(25% - 15px) !important;   /* 桌面 4 个 */
    border-radius: 10px !important;
    overflow: hidden !important;
    background: #fff !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none !important;
    display: block !important;
}
.product-category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.14) !important;
}
.product-category-card img {
    width: 100% !important;
    aspect-ratio: 4 / 3 !important;
    object-fit: cover !important;
    display: block !important;
}
.product-category-card h3 {
    padding: 14px 12px;
    text-align: center;
    font-size: 16px;
    margin: 0 !important;
    color: #333 !important;
    font-weight: 500;
}

/* ── 3. 左右箭头按钮（★ 同时兼容 pc-slider-arrow 与 slider-arrow）── */
.pc-slider-arrow,
.slider-arrow {
    position: absolute !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    z-index: 999 !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    border: none !important;
    border-radius: 50% !important;
    background: #ffffff !important;
    color: #333333 !important;
    font-size: 24px !important;
    line-height: 1 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.pc-slider-arrow:hover,
.slider-arrow:hover {
    background: #f5f5f5 !important;
}

/* 禁用态：同时兼容 :disabled 属性与 .is-disabled 类 */
.pc-slider-arrow:disabled,
.slider-arrow:disabled,
.pc-slider-arrow.is-disabled,
.slider-arrow.is-disabled {
    opacity: 0.35 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

/* 左右定位（两套命名） */
.pc-slider-prev,
.slider-arrow-prev {
    left: 0 !important;
    right: auto !important;
}
.pc-slider-next,
.slider-arrow-next {
    right: 0 !important;
    left: auto !important;
}

/* ── 4. 响应式：手机一次显示 2 个（≤768px）────────────────────── */
@media (max-width: 768px) {
    .product-categories-slider-wrapper {
        margin: 24px auto 12px;
        padding: 0 42px !important;
    }
    .product-category-card {
        flex: 0 0 calc(50% - 10px) !important;   /* 手机 2 个 */
    }
    .pc-slider-arrow,
    .slider-arrow {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        font-size: 20px !important;
    }
    .pc-slider-prev,
    .slider-arrow-prev { left: 2px !important; }
    .pc-slider-next,
    .slider-arrow-next { right: 2px !important; }
}

/* ── 5. 超小屏微调（≤400px）───────────────────────────────────── */
@media (max-width: 400px) {
    .product-categories-slider {
        gap: 12px;
    }
    .product-category-card {
        flex: 0 0 calc(50% - 6px) !important;
    }
}