/* Product highlights — equal cards, gradient bg, minimal hover */

.product-expand-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 轮播：一行两张，多出来的自动左右滚动 */
.product-matrix {
    position: relative;
}

.product-matrix__viewport {
    overflow: hidden;
}

/* 左右导航箭头 */
.product-matrix__nav {
    position: absolute;
    top: 50%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-top: -1.375rem;
    border-radius: 9999px;
    border: 1px solid rgba(196, 198, 208, 0.8);
    background: #fff;
    color: #011b3f;
    box-shadow: 0 4px 14px rgba(1, 27, 63, 0.08);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.product-matrix__nav:hover {
    background: #001f46;
    color: #fff;
    box-shadow: 0 6px 18px rgba(1, 27, 63, 0.18);
}

.product-matrix__nav--prev {
    left: -0.25rem;
}

.product-matrix__nav--next {
    right: -0.25rem;
}

@media (max-width: 639px) {
    .product-matrix__nav--prev {
        left: 0.125rem;
    }

    .product-matrix__nav--next {
        right: 0.125rem;
    }
}

/* 数量不足以滚动时隐藏箭头 */
.product-matrix.is-static .product-matrix__nav {
    display: none;
}

/* 可手动拖动滑动 */
.product-matrix:not(.is-static) .product-matrix__viewport {
    cursor: grab;
    touch-action: pan-y;
}

.product-matrix__viewport.is-dragging {
    cursor: grabbing;
}

.product-matrix__viewport.is-dragging a {
    pointer-events: none;
}

.product-matrix__track img {
    -webkit-user-drag: none;
    user-select: none;
}

.product-matrix__track {
    display: flex;
    gap: 1.5rem;
    will-change: transform;
}

.product-matrix__track > .product-expand-panel__item {
    flex: 0 0 100%;
}

@media (min-width: 768px) {
    .product-matrix__track {
        gap: 2rem;
    }

    /* 一行两张：gap 2rem 由两张平摊，各减 1rem */
    .product-matrix__track > .product-expand-panel__item {
        flex: 0 0 calc(50% - 1rem);
    }
}

/* 数量不足以滚动时铺满当前行，保持原有等分布局 */
.product-matrix.is-static .product-matrix__track > .product-expand-panel__item {
    flex: 1 1 0%;
    min-width: 0;
}

.product-expand-panel__item {
    position: relative;
    display: block;
    flex: 1 1 0%;
    min-width: 0;
    overflow: hidden;
    border-radius: 1rem;
    text-decoration: none;
    background: transparent;
    transition: box-shadow 0.35s ease;
}

.product-expand-panel__item::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.product-expand-panel__item:hover::before,
.product-expand-panel__item:focus-visible::before {
    opacity: 0.72;
}

.product-expand-panel__item:hover,
.product-expand-panel__item:focus-visible {
    box-shadow: 0 20px 40px -16px rgba(1, 27, 63, 0.22);
}

@media (min-width: 768px) {
    .product-expand-panel {
        flex-direction: row;
        gap: 2rem;
        align-items: stretch;
    }

    .product-expand-panel__item {
        min-height: 22rem;
    }
}

@media (min-width: 1024px) {
    .product-expand-panel__item {
        min-height: 23rem;
    }
}

.product-expand-panel__item--ball::before {
    background: linear-gradient(145deg, rgb(248, 210, 110) 0%, rgb(225, 168, 58) 55%, rgb(200, 145, 40) 100%);
}

.product-expand-panel__item--lead::before {
    background: linear-gradient(145deg, rgb(90, 195, 235) 0%, rgb(46, 170, 214) 55%, rgb(25, 130, 175) 100%);
}

/* 文字配色随卡片底色切换（动态渲染时由 --ball / --lead 控制） */
.product-expand-panel__item--ball .product-expand-panel__tag {
    background: rgba(0, 0, 0, 0.1);
    color: #111827;
}

.product-expand-panel__item--lead .product-expand-panel__tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.product-expand-panel__item--ball .product-expand-panel__title,
.product-expand-panel__item--ball .product-expand-panel__cta {
    color: #111827;
}

.product-expand-panel__item--ball .product-expand-panel__desc {
    color: rgba(31, 41, 55, 0.8);
}

.product-expand-panel__item--ball:hover .product-expand-panel__cta,
.product-expand-panel__item--ball:focus-visible .product-expand-panel__cta {
    color: #374151;
}

.product-expand-panel__item--lead .product-expand-panel__title,
.product-expand-panel__item--lead .product-expand-panel__cta {
    color: #ffffff;
}

.product-expand-panel__item--lead .product-expand-panel__desc {
    color: rgba(255, 255, 255, 0.7);
}

.product-expand-panel__item--lead:hover .product-expand-panel__cta,
.product-expand-panel__item--lead:focus-visible .product-expand-panel__cta {
    color: rgba(255, 255, 255, 0.8);
}

.product-expand-panel__glow {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.45;
    transition: opacity 0.35s ease;
}

.product-expand-panel__item--ball .product-expand-panel__glow {
    background: radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.35) 0%, transparent 55%);
}

.product-expand-panel__item--lead .product-expand-panel__glow {
    background: radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.28) 0%, transparent 55%);
}

.product-expand-panel__item:hover .product-expand-panel__glow,
.product-expand-panel__item:focus-visible .product-expand-panel__glow {
    opacity: 0.28;
}

.product-expand-panel__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-sizing: border-box;
    height: 100%;
    min-height: 100%;
    padding: 2.5rem;
}

@media (min-width: 768px) {
    .product-expand-panel__inner {
        flex-direction: row;
        align-items: center;
        gap: 1.5rem;
        padding: 2.5rem 2rem 2.5rem 3rem;
    }
}

@media (min-width: 1024px) {
    .product-expand-panel__inner {
        padding: 3rem 2.5rem 3rem 3.5rem;
    }
}

.product-expand-panel__content {
    flex: 1 1 auto;
    min-width: 0;
}

.product-expand-panel__desc {
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .product-expand-panel__desc {
        margin-bottom: 2rem;
    }
}

.product-expand-panel__media {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 11rem;
    overflow: hidden;
    opacity: 0.88;
    transition: opacity 0.35s ease;
}

.product-expand-panel__item:hover .product-expand-panel__media,
.product-expand-panel__item:focus-visible .product-expand-panel__media {
    opacity: 1;
}

@media (min-width: 768px) {
    .product-expand-panel__media {
        flex: 0 0 38%;
        width: 38%;
        height: 14rem;
        max-height: 14rem;
    }
}

.product-expand-panel__media img {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 11rem;
    object-fit: contain;
    object-position: center;
    /* border-radius: 0.75rem; */
    /* background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(156, 163, 175, 0.25) 100%); */
}

@media (min-width: 768px) {
    .product-expand-panel__media img {
        max-height: 14rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .product-expand-panel__item,
    .product-expand-panel__item::before,
    .product-expand-panel__glow,
    .product-expand-panel__media {
        transition: none;
    }
}