/* 产品列表 / 产品详情 — 对齐产品中心视觉 */

.page-product-list,
.page-product-detail {
    --pc-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --pc-pad-y: clamp(48px, 5vw, 72px);
    font-size: var(--fs-base, 14px);
    color: var(--color-copy, #666);
}

/* 产品列表/详情：面包屑左「产品系列」与全站锚点栏对齐 */
.page-product-list .page-bread--product-list .page-bread__anchors a,
.page-product-detail .page-bread--product-list .page-bread__anchors a {
    font-size: var(--page-bread-text-size, clamp(13px, 0.95vw, 15px));
    font-weight: 600;
    letter-spacing: 0.06em;
}
.page-product-list {
    --pc-antai-nav: min(312px, 33%);
    --pc-antai-gap: clamp(28px, 3vw, 40px);
    --pc-antai-radius: 12px;
    --pc-surface-border: #e6e8ed;
    --pc-surface-shadow: 0 2px 12px rgba(15, 20, 30, 0.04);
    --pc-card-img-ratio: 1.68;
    --pc-card-body-min: 96px;
    --pc-grid-gap: clamp(22px, 2vw, 26px);
    --pc-card-title-fs: clamp(15px, 0.95vw, 16px);
    --pc-card-more-fs: 16px;
    --pc-card-divide-w: 65%;
    --pc-card-body-pt: 26px;
    --pc-card-body-px: 20px;
    --pc-card-body-pb: 24px;
    --pc-card-gap-tit-rule: 20px;
    --pc-card-gap-rule-more: 18px;
    --pc-card-img-pad: clamp(14px, 1.2vw, 18px);
    --pc-card-hover-bar: 3px;
    --pc-main-shadow:
        0 1px 0 rgba(255, 255, 255, 0.92) inset,
        0 4px 6px rgba(15, 20, 30, 0.03),
        0 16px 48px rgba(15, 20, 30, 0.08);
    --pc-panel-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 2px 4px rgba(15, 20, 30, 0.03),
        0 8px 28px rgba(15, 20, 30, 0.06);
    /* 产品图多为白底：图区纯白；文字区浅底区分层次，少用内部分割线 */
    --pc-card-img-bg: #fff;
    --pc-card-body-bg: #f6f7f9;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 255, 255, 0.85) 0%, transparent 55%),
        linear-gradient(180deg, #f3f4f7 0%, #ebedf0 100%);
    font-size: var(--fs-base, 14px);
    line-height: var(--inner-body-lh, 1.72);
    color: var(--color-copy, #666);
}
.page-product-list .prod-antai-page {
    background: transparent;
}
.page-product-detail {
    --pc-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --pc-antai-radius: 12px;
    --pc-surface-border: #e6e8ed;
    --pc-detail-line: rgba(15, 20, 30, 0.06);
    --pc-card-img-bg: #fff;
    --pc-card-body-bg: #f6f7f9;
    --pc-main-shadow:
        0 1px 0 rgba(255, 255, 255, 0.92) inset,
        0 4px 6px rgba(15, 20, 30, 0.03),
        0 16px 48px rgba(15, 20, 30, 0.08);
    --pc-display-title: clamp(24px, 2.2vw, 34px);
    --pc-grid-gap: clamp(22px, 2vw, 26px);
    --pc-card-img-ratio: 1.68;
    --pc-card-title-fs: clamp(15px, 0.95vw, 16px);
    --pc-card-more-fs: 16px;
    --pc-card-body-pt: 26px;
    --pc-card-body-px: 20px;
    --pc-card-body-pb: 24px;
    --pc-card-gap-tit-rule: 20px;
    --pc-card-gap-rule-more: 18px;
    --pc-card-img-pad: 20px;
    --pc-card-hover-bar: 3px;
    --pc-detail-main-top: clamp(44px, 5vw, 72px);
    --pc-detail-section-y: clamp(56px, 6vw, 88px);
    background: #fff;
    font-size: var(--fs-base, 14px);
    line-height: var(--inner-body-lh, 1.72);
    color: var(--color-copy, #666);
}

body.page-inner.page-product-detail {
    background: #fff;
}
.page-product-detail .prod-catalog-detail-page,
.page-product-detail #main {
    background: #fff;
}

/* —— 列表 —— */
.prod-catalog-page {
    padding: clamp(28px, 3.2vw, 40px) 0 var(--pc-pad-y);
}
.page-product-list .prod-catalog-page {
    padding: clamp(44px, 5vw, 72px) 0 clamp(56px, 6vw, 88px);
}
.prod-catalog-page__inner {
    width: 100%;
    max-width: var(--container, min(1280px, 94vw));
    margin-inline: auto;
    box-sizing: border-box;
}

/* —— 列表：结构参考安泰 product.html，产品格参考柯泰克 —— */
.page-product-list .prod-antai-layout {
    display: grid;
    grid-template-columns: var(--pc-antai-nav) 1fr;
    gap: var(--pc-antai-gap);
    align-items: stretch;
}
.page-product-list .prod-antai-sidebar {
    align-self: stretch;
    min-width: 0;
}
.page-product-list .prod-antai-sidebar__pin {
    display: flex;
    flex-direction: column;
    gap: clamp(16px, 1.6vw, 20px);
}

/* ≥901 吸顶：index.css .page-home { overflow-x:hidden } 与 html overflow 会禁用 sticky，此处放开 */
@media (min-width: 901px) {
    html:has(body.page-product-list) {
        overflow-x: clip;
    }
    body.page-product-list.page-home {
        overflow-x: visible;
    }
    body.page-product-list .prod-antai-sidebar__pin {
        position: sticky;
        top: 30px;
        z-index: 5;
    }
    /* /product.html 全品类列表：顶栏 fixed，侧栏吸顶需留出导航高度 */
    body.page-product-list.page-product-list-root .prod-antai-sidebar__pin {
        top: calc(var(--header-h, 105px) + 15px);
    }
}
.page-product-list .prod-antai-sidebar__panel {
    position: relative;
    padding: clamp(16px, 1.5vw, 20px) clamp(14px, 1.4vw, 18px) clamp(18px, 1.6vw, 22px);
    background: #fff;
    border: 1px solid var(--pc-surface-border);
    border-radius: var(--pc-antai-radius);
    box-shadow: var(--pc-panel-shadow);
    overflow: visible;
}
.page-product-list .prod-antai-sidebar__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 clamp(14px, 1.4vw, 18px);
    padding: clamp(13px, 1.2vw, 15px) clamp(16px, 1.5vw, 20px);
    font-size: clamp(15px, 0.98vw, 17px);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: linear-gradient(135deg, var(--brand, #e60012) 0%, #c40010 52%, #b8000f 100%);
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(230, 0, 18, 0.22);
}
.page-product-list .prod-antai-sidebar__title-text {
    flex: 1;
    min-width: 0;
    line-height: 1.3;
}
.page-product-list .prod-antai-sidebar__title-icon {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: #fff;
    opacity: 0.92;
}
.page-product-list .prod-antai-sidebar__title-icon svg {
    display: block;
    width: 22px;
    height: 22px;
}
.page-product-list .prod-antai-nav {
    margin: 0;
    padding: 5px;
    list-style: none;
    background: #f7f8fa;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}
.page-product-list .prod-antai-nav li+li {
    margin-top: 0;
}
.page-product-list .prod-antai-nav li+li .prod-antai-nav__link {
    box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.05);
}
.page-product-list .prod-antai-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 46px;
    padding: 11px 10px 11px 14px;
    font-size: var(--inner-label-fs);
    font-weight: 600;
    line-height: 1.45;
    color: #444;
    text-decoration: none;
    background: #fff;
    border: none;
    border-radius: 7px;
    box-shadow: none;
    transition:
        color 0.22s var(--pc-ease),
        background 0.22s var(--pc-ease),
        box-shadow 0.22s var(--pc-ease);
}
.page-product-list .prod-antai-nav__link>span {
    flex: 1;
    min-width: 0;
    letter-spacing: 0.02em;
}
.page-product-list .prod-antai-nav__link::after {
    content: "";
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    opacity: 1;
    transform: none;
    background-color: #eef0f3;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 13px;
    transition:
        background-color 0.22s var(--pc-ease),
        background-image 0.22s var(--pc-ease),
        transform 0.22s var(--pc-ease);
}
.page-product-list .prod-antai-nav__link:not(.is-active):hover {
    color: var(--brand, #e60012);
    background: #fff;
    box-shadow: 0 2px 8px rgba(230, 0, 18, 0.08);
}
.page-product-list .prod-antai-nav__link:not(.is-active):hover::after {
    background-color: rgba(230, 0, 18, 0.1);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e60012' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
    transform: translateX(2px);
}
.page-product-list .prod-antai-nav__link:focus-visible {
    color: var(--brand, #e60012);
    background: #fff;
    outline: 2px solid rgba(230, 0, 18, 0.35);
    outline-offset: 0;
}
.page-product-list .prod-antai-nav__link.is-active {
    color: var(--brand, #e60012);
    font-weight: 700;
    background: linear-gradient(90deg, #fff0f2 0%, #fff 72%);
    box-shadow:
        inset 3px 0 0 var(--brand, #e60012),
        0 2px 10px rgba(230, 0, 18, 0.1);
}
.page-product-list .prod-antai-nav__link.is-active::after {
    background-color: var(--brand, #e60012);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
}
.page-product-list .prod-antai-nav__link.is-active:hover {
    background: linear-gradient(90deg, #ffe8eb 0%, #fff 72%);
}
.page-product-list .prod-antai-nav__link.is-active:hover::after {
    transform: translateX(2px);
}
.page-product-list .prod-antai-aside-card {
    padding: clamp(16px, 1.6vw, 20px);
    background: linear-gradient(180deg, #fff 0%, #fafbfc 100%);
    border: 1px solid var(--pc-surface-border);
    border-radius: var(--pc-antai-radius);
    box-shadow: var(--pc-panel-shadow);
}
.page-product-list .prod-antai-aside-card__tit {
    margin: 0 0 12px;
    padding-bottom: 12px;
    font-size: clamp(15px, 0.98vw, 16px);
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-title, #333);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.page-product-list .prod-antai-aside-card__item {
    margin: 0 0 8px;
    font-size: var(--inner-meta-fs);
    line-height: var(--inner-body-lh, 1.72);
    color: var(--color-copy, #666);
}
.page-product-list .prod-antai-aside-card__item strong {
    display: block;
    margin-top: 4px;
    font-size: var(--inner-label-fs);
    font-weight: 700;
    color: var(--color-title, #333);
}
.page-product-list .prod-antai-aside-card__item a {
    color: inherit;
    text-decoration: none;
}
.page-product-list .prod-antai-aside-card__item a:hover,
.page-product-list .prod-antai-aside-card__item a:focus-visible {
    color: var(--brand, #e60012);
}
.page-product-list .prod-antai-aside-card__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    margin-top: 16px;
    font-size: var(--fs-base, 14px);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(180deg, var(--brand, #e60012) 0%, #d90011 100%);
    border-radius: 8px;
    transition:
        background 0.22s ease,
        box-shadow 0.22s var(--pc-ease);
}
.page-product-list .prod-antai-aside-card__btn:hover,
.page-product-list .prod-antai-aside-card__btn:focus-visible {
    background: linear-gradient(180deg, var(--brand-dark, #c40010) 0%, #b8000f 100%);
    box-shadow: 0 8px 20px rgba(230, 0, 18, 0.22);
}
.page-product-list .prod-antai-main {
    align-self: start;
    position: relative;
    min-width: 0;
    padding: clamp(32px, 3.2vw, 48px) clamp(28px, 2.8vw, 44px);
    background: linear-gradient(180deg, #fff 0%, #fbfbfc 100%);
    border: 1px solid var(--pc-surface-border);
    border-radius: var(--pc-antai-radius);
    box-shadow: var(--pc-main-shadow);
}
.page-product-list .prod-antai-main::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.98);
}
.page-product-list .prod-antai-cat {
    scroll-margin-top: calc(var(--header-h, 72px) + clamp(44px, 4vw, 52px) + 16px);
}
.page-product-list .prod-antai-card {
    scroll-margin-top: calc(var(--header-h, 72px) + clamp(44px, 4vw, 52px) + 16px);
}
.page-product-list .prod-antai-cat+.prod-antai-cat {
    margin-top: clamp(48px, 4.8vw, 64px);
    padding-top: 0;
}
.page-product-list .prod-antai-cat__head {
    margin: 0;
    padding: 0;
}
.page-product-list .prod-antai-cat__head-main {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    width: 100%;
}
.page-product-list .prod-antai-cat__head-main h2 {
    margin: 0;
    padding-left: 12px;
    font-size: clamp(18px, 1.35vw, 22px);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.02em;
    color: var(--color-title, #333);
    border-left: 3px solid var(--brand, #e60012);
}
.page-product-list .prod-antai-cat__lead {
    margin: clamp(12px, 1.15vw, 16px) 0 0;
    padding: 0;
    max-width: none;
    font-size: var(--section-lead-fs);
    line-height: 1.75;
    letter-spacing: var(--section-lead-ls, 0.03em);
    color: var(--section-lead-color, #555);
}
.page-product-list .prod-antai-cat__lead+.prod-antai-grid {
    margin-top: clamp(22px, 2.2vw, 28px);
}
.page-product-list .prod-antai-cat__head+.prod-antai-grid {
    margin-top: clamp(22px, 2.2vw, 28px);
}
.page-product-list .prod-antai-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pc-grid-gap);
}
.page-product-list .prod-antai-card,
.page-product-detail .prod-detail-related .prod-antai-card {
    min-width: 0;
}
.page-product-list .prod-antai-card__link,
.page-product-detail .prod-detail-related .prod-antai-card__link {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border: 1px solid var(--pc-surface-border);
    border-radius: var(--pc-antai-radius);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(15, 20, 30, 0.04);
    transition:
        border-color 0.32s var(--pc-ease),
        box-shadow 0.32s var(--pc-ease),
        transform 0.32s var(--pc-ease);
}
.page-product-list .prod-antai-card__link:focus-visible,
.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible {
    outline: 2px solid rgba(230, 0, 18, 0.45);
    outline-offset: 2px;
}
.page-product-list .prod-antai-card__link::after,
.page-product-detail .prod-detail-related .prod-antai-card__link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    height: var(--pc-card-hover-bar);
    background: var(--brand, #e60012);
    transform: scaleX(0);
    transform-origin: center bottom;
    transition: transform 0.32s var(--pc-ease);
}
.page-product-list .prod-antai-card__link:hover,
.page-product-detail .prod-detail-related .prod-antai-card__link:hover {
    border-color: #cfd2d9;
    box-shadow: 0 10px 28px rgba(15, 20, 30, 0.08);
    transform: translateY(-2px);
}
.page-product-list .prod-antai-card__link:focus-visible,
.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible {
    border-color: #cfd2d9;
    box-shadow: 0 10px 28px rgba(15, 20, 30, 0.08);
}
.page-product-list .prod-antai-card__link:hover::after,
.page-product-list .prod-antai-card__link:focus-visible::after,
.page-product-detail .prod-detail-related .prod-antai-card__link:hover::after,
.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible::after {
    transform: scaleX(1);
}
.page-product-list .prod-antai-card__img,
.page-product-detail .prod-detail-related .prod-antai-card__img {
    display: flex;
    flex: var(--pc-card-img-ratio) 1 auto;
    align-items: center;
    justify-content: center;
    min-height: clamp(176px, 16.5vw, 216px);
    padding: var(--pc-card-img-pad);
    background: var(--pc-card-img-bg);
    box-sizing: border-box;
}
.page-product-list .prod-antai-card__img img,
.page-product-detail .prod-detail-related .prod-antai-card__img img {
    display: block;
    width: auto;
    height: auto;
    max-width: 92%;
    max-height: 92%;
    object-fit: contain;
    transition: transform 0.35s var(--pc-ease);
}
.page-product-list .prod-antai-card__link:hover .prod-antai-card__img img,
.page-product-detail .prod-detail-related .prod-antai-card__link:hover .prod-antai-card__img img {
    transform: scale(1.02);
}
.page-product-list .prod-antai-card__body,
.page-product-detail .prod-detail-related .prod-antai-card__body {
    padding: 0 var(--pc-card-body-px);
    box-sizing: border-box;
    width: 100%;
    text-align: center;
    position: relative;
    background: var(--pc-card-body-bg, #f6f7f9);
}
.page-product-list .prod-antai-card__tit,
.page-product-detail .prod-detail-related .prod-antai-card__tit {
    transition: color 0.32s var(--pc-ease);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: var(--pc-card-body-pt) 0 var(--pc-card-gap-tit-rule);
    box-sizing: border-box;
    position: relative;
    display: block;
    font-size: var(--pc-card-title-fs);
    font-weight: 600;
    color: var(--color-title, #333);
}
.page-product-list .prod-antai-card__more,
.page-product-detail .prod-detail-related .prod-antai-card__more {
    padding: var(--pc-card-gap-rule-more) 0 var(--pc-card-body-pb);
    box-sizing: border-box;
    border-top: 1px solid #e0e2e6;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.32s var(--pc-ease);
    font-size: var(--pc-card-more-fs);
    font-weight: 400;
    color: #999;
}
.page-product-list .prod-antai-card__link:hover .prod-antai-card__tit,
.page-product-list .prod-antai-card__link:focus-visible .prod-antai-card__tit,
.page-product-detail .prod-detail-related .prod-antai-card__link:hover .prod-antai-card__tit,
.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible .prod-antai-card__tit {
    color: var(--brand, #e60012);
}
.page-product-list .prod-antai-card__link:hover .prod-antai-card__more,
.page-product-list .prod-antai-card__link:focus-visible .prod-antai-card__more,
.page-product-detail .prod-detail-related .prod-antai-card__link:hover .prod-antai-card__more,
.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible .prod-antai-card__more {
    color: var(--brand, #e60012);
}
.prod-catalog-error,
.prod-catalog-empty {
    margin: 0;
    padding: 32px 0;
    text-align: center;
    color: #666;
}
.prod-catalog-error a,
.prod-catalog-empty a {
    color: var(--brand, #e60012);
}

/* —— 详情：双板块（介绍 / 参数）+ 相关产品 —— */
.page-product-detail .prod-catalog-detail-page {
    padding: var(--pc-detail-main-top) 0 0;
}
.prod-detail-mount {
    width: 100%;
}
.prod-detail-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
}
.page-product-detail .prod-detail-panel {
    width: 100%;
    box-sizing: border-box;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}
.page-product-detail .prod-detail-panel--hero {
    padding-bottom: var(--pc-detail-section-y);
}
.page-product-detail .prod-detail-panel--params {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.08));
    background: #fff;
    box-sizing: border-box;
}
.prod-detail-show__top {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: clamp(48px, 6vw, 80px);
}
.page-product-detail .prod-detail-show__top {
    align-items: center;
}
.page-product-detail .prod-detail-gallery__main {
    height: 450px;
    min-height: 450px;
    max-height: 450px;
    box-sizing: border-box;
}
.page-product-detail .prod-detail-gallery__main .swiper-wrapper,
.page-product-detail .prod-detail-gallery__main .swiper-slide {
    height: 100%;
    min-height: 0;
}
.page-product-detail .prod-detail-show__stage {
    max-height: calc(450px - 60px - 25px - 14px);
}
.page-product-detail .prod-detail-show__photo {
    max-height: calc(450px - 60px - 25px - 14px);
}
.page-product-detail .prod-detail-gallery__pager {
    bottom: 25px;
}
.prod-detail-show__gallery {
    flex: 0 0 47%;
    max-width: 47%;
    margin: 0;
    padding: 0;
    background: transparent;
    border-right: none;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    align-self: center;
}
.prod-detail-gallery {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    width: 100%;
}
.prod-detail-gallery__main {
    position: relative;
    flex: 1 1 auto;
    min-height: clamp(320px, 34vw, 440px);
    padding: 30px;
    border: 1px solid #e0e2e6;
    border-radius: 2px;
    overflow: hidden;
    background: #fff;
    box-sizing: border-box;
}
.prod-detail-gallery__main .swiper-wrapper {
    align-items: center;
}
.prod-detail-gallery__main .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    min-height: clamp(260px, 28vw, 380px);
}
.prod-detail-gallery__nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    width: 46px;
    height: 46px;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(230, 0, 18, 0.28);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(15, 20, 30, 0.1);
    cursor: pointer;
    transform: translateY(-50%);
    transition:
        background 0.22s var(--pc-ease),
        border-color 0.22s var(--pc-ease),
        box-shadow 0.22s var(--pc-ease);
}
.prod-detail-gallery__nav::after {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    margin: 0 auto;
    border-right: 2px solid var(--brand, #e60012);
    border-bottom: 2px solid var(--brand, #e60012);
}
.prod-detail-gallery__nav--prev {
    left: 14px;
}
.prod-detail-gallery__nav--prev::after {
    transform: rotate(135deg) translate(1px, -1px);
}
.prod-detail-gallery__nav--next {
    right: 14px;
}
.prod-detail-gallery__nav--next::after {
    transform: rotate(-45deg) translate(-1px, -1px);
}
.prod-detail-gallery__nav:hover,
.prod-detail-gallery__nav:focus-visible {
    background: var(--brand, #e60012);
    border-color: var(--brand, #e60012);
    box-shadow: 0 4px 14px rgba(230, 0, 18, 0.28);
    outline: none;
}
.prod-detail-gallery__nav:hover::after,
.prod-detail-gallery__nav:focus-visible::after {
    border-color: #fff;
}


.prod-detail-gallery__pager {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 34px;
    z-index: 2;
    line-height: 0;
}
.prod-detail-gallery__pager .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    margin: 0 5px;
    background: rgba(15, 20, 30, 0.12);
    opacity: 1;
    transition: background 0.2s var(--pc-ease);
}
.prod-detail-gallery__pager .swiper-pagination-bullet-active {
    background: var(--brand, #e60012);
}
.prod-detail-gallery__thumbs {
    flex-shrink: 0;
    margin: 0;
}
.prod-detail-gallery__thumbs .swiper-slide {
    width: 72px;
    height: 72px;
    cursor: pointer;
}
.prod-detail-gallery__thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 6px;
    background: #fff;
    border: 2px solid transparent;
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.22s var(--pc-ease);
}
.prod-detail-gallery__thumbs .swiper-slide-thumb-active .prod-detail-gallery__thumb {
    border-color: var(--brand, #e60012);
    box-shadow: 0 2px 8px rgba(230, 0, 18, 0.12);
}
.prod-detail-gallery__thumb img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.prod-detail-show__stage {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: clamp(260px, 28vw, 380px);
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}
.prod-detail-show__stage--empty {
    background: repeating-linear-gradient(-45deg,
            #fafbfc,
            #fafbfc 8px,
            #f3f4f6 8px,
            #f3f4f6 16px);
}
.prod-detail-show__photo {
    display: block;
    width: 100%;
    max-height: clamp(300px, 34vw, 420px);
    object-fit: contain;
}
.prod-detail-show__summary {
    flex: 1 1 53%;
    min-width: min(100%, 280px);
    padding: 0;
    background: transparent;
}
.page-product-detail .prod-detail-show__summary {
    padding: 0;
    align-self: center;
}
.page-product-detail .prod-detail-intro {
    min-height: 0;
    justify-content: center;
}
.prod-detail-cat {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35em 0.5em;
    margin: 0 0 clamp(12px, 1.2vw, 16px);
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: 0.04em;
}
.page-product-detail .prod-detail-cat {
    margin-bottom: clamp(10px, 1.05vw, 15px);
    font-size: 14px;
}
.prod-detail-cat__label {
    color: #aaa;
    font-weight: 500;
}
.prod-detail-cat__sep {
    color: #d0d2d6;
    font-weight: 400;
    user-select: none;
}
.prod-detail-cat__name {
    color: var(--brand, #e60012);
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.22s var(--pc-ease);
}
.prod-detail-cat__name:hover,
.prod-detail-cat__name:focus-visible {
    opacity: 0.85;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.prod-detail-intro {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}
.prod-detail-intro__head {
    margin: 0 0 clamp(14px, 1.4vw, 18px);
}
.page-product-detail .prod-detail-intro__head {
    margin-bottom: clamp(8px, 0.85vw, 12px);
}
.prod-detail-intro__title {
    margin: 0;
    font-size: clamp(20px, 1.65vw, 26px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.02em;
    color: var(--brand, #e60012);
}
.page-product-detail .prod-detail-intro__title {
    font-size: clamp(22px, 1.75vw, 28px);
    line-height: 1.32;
    letter-spacing: 0.03em;
}
.prod-detail-intro__rule {
    display: block;
    width: 100%;
    height: 0;
    margin: 0 0 clamp(18px, 1.8vw, 24px);
    border: none;
    border-top: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.06));
}
.page-product-detail .prod-detail-intro__rule {
    width: 100%;
    max-width: none;
    margin-bottom: clamp(16px, 1.55vw, 22px);
    border-top-color: rgba(15, 20, 30, 0.08);
}
.prod-detail-intro__body {
    flex: 1 1 auto;
    font-size: clamp(15px, 0.98vw, 16px);
    line-height: 1.85;
    letter-spacing: 0.02em;
    color: #555;
}
.page-product-detail .prod-detail-intro__body {
    flex: 0 1 auto;
    font-size: clamp(15px, 0.95vw, 16px);
    line-height: 1.85;
    color: #5c5c5c;
}
.prod-detail-intro__para {
    margin: 0 0 1em;
}
.page-product-detail .prod-detail-intro__para {
    margin-bottom: clamp(0.68em, 0.95vw, 0.88em);
}
.page-product-detail .prod-detail-intro__para:last-child {
    margin-bottom: 0;
}
.prod-detail-intro__para:last-child {
    margin-bottom: 0;
}
.prod-detail-intro__label {
    font-weight: 700;
    color: #444;
}
.page-product-detail .prod-detail-intro__label {
    color: #333;
    font-weight: 700;
}
.page-product-detail .prod-detail-intro .prod-detail-show__actions {
    display: flex;
    flex-wrap: wrap;
    margin-top: clamp(18px, 1.85vw, 26px);
    padding-top: clamp(16px, 1.55vw, 20px);
    gap: 10px;
    border-top: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.08));
}

/* 详情操作区：>960 四个按钮单行，随宽度缩小字号与内边距 */
@media (min-width: 961px) {
    body.page-product-detail .prod-detail-intro .prod-detail-show__actions {
        flex-wrap: nowrap;
        gap: clamp(6px, 0.55vw, 10px);
    }
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn {
        flex: 1 1 0;
        min-width: 0;
        min-height: clamp(38px, 2.6vw, 44px);
        padding: 0 clamp(8px, 0.75vw, 18px);
        font-size: clamp(12px, 0.82vw, 15px);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn {
    min-height: 44px;
    min-width: 128px;
    padding: 0 22px;
    font-size: 15px;
    border-radius: 6px;
    border: 1px solid transparent;
    box-sizing: border-box;
    transition:
        color 0.26s var(--pc-ease),
        background 0.26s var(--pc-ease),
        border-color 0.26s var(--pc-ease),
        box-shadow 0.26s var(--pc-ease),
        transform 0.26s var(--pc-ease),
        opacity 0.26s var(--pc-ease);
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn:not(.prod-detail-show__btn--ghost):hover,
.page-product-detail .prod-detail-intro .prod-detail-show__btn:not(.prod-detail-show__btn--ghost):focus-visible {
    background: #c40010;
    box-shadow: 0 8px 22px rgba(230, 0, 18, 0.28);
    transform: translateY(-2px);
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn:not(.prod-detail-show__btn--ghost):active {
    transform: translateY(0);
    box-shadow: 0 4px 14px rgba(230, 0, 18, 0.22);
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost {
    color: #444;
    border: 1px solid #dcdfe4;
    background: #fff;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:hover,
.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:focus-visible {
    color: var(--brand, #e60012);
    border-color: rgba(230, 0, 18, 0.42);
    background: rgba(230, 0, 18, 0.045);
    box-shadow: 0 6px 18px rgba(15, 18, 28, 0.08);
    transform: translateY(-2px);
}
.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(15, 18, 28, 0.06);
    background: rgba(230, 0, 18, 0.06);
}
.page-product-detail .prod-detail-show__btn--brochure[aria-disabled="true"] {
    cursor: default;
    opacity: 0.88;
}
.page-product-detail .prod-detail-show__btn--brochure[aria-disabled="true"]:hover,
.page-product-detail .prod-detail-show__btn--brochure[aria-disabled="true"]:focus-visible {
    color: #666;
    border-color: #dcdfe4;
    background: #fafbfc;
    box-shadow: none;
    transform: none;
    opacity: 0.78;
}

@media (prefers-reduced-motion: reduce) {

    .page-product-detail .prod-detail-intro .prod-detail-show__btn,
    .page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost {
        transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    }
    .page-product-detail .prod-detail-intro .prod-detail-show__btn:hover,
    .page-product-detail .prod-detail-intro .prod-detail-show__btn:focus-visible,
    .page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:hover,
    .page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:focus-visible {
        transform: none;
    }
}
.prod-detail-kv {
    margin-bottom: clamp(18px, 1.8vw, 24px);
}
.prod-detail-kv__label {
    margin: 0 0 10px;
    font-size: clamp(15px, 0.98vw, 17px);
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--color-title, #333);
}
.prod-detail-kv__body {
    font-size: clamp(15px, 0.98vw, 16px);
    line-height: 1.85;
    color: #666;
}
.prod-detail-kv__body p {
    margin: 0;
}
.prod-detail-kv__list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.prod-detail-kv__list li {
    position: relative;
    padding: 6px 0 6px 14px;
    line-height: 1.65;
}
.prod-detail-kv__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.95em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--brand, #e60012);
    transform: translateY(-50%);
}
.prod-detail-show__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}
.prod-detail-show__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    min-height: 42px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-decoration: none;
    color: #fff;
    background: var(--brand, #e60012);
    border: 1px solid transparent;
    border-radius: 4px;
    box-shadow: none;
    box-sizing: border-box;
    transition:
        color 0.26s var(--pc-ease),
        background 0.26s var(--pc-ease),
        border-color 0.26s var(--pc-ease),
        box-shadow 0.26s var(--pc-ease),
        transform 0.26s var(--pc-ease),
        opacity 0.26s var(--pc-ease);
}
.prod-detail-show__btn:hover,
.prod-detail-show__btn:focus-visible {
    background: #c40010;
    box-shadow: 0 8px 22px rgba(230, 0, 18, 0.28);
    transform: translateY(-2px);
}
.prod-detail-show__btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 14px rgba(230, 0, 18, 0.22);
}
.prod-detail-show__btn--ghost {
    color: #555;
    background: #fff;
    border: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.12));
    box-shadow: none;
}
.prod-detail-show__btn--ghost:hover,
.prod-detail-show__btn--ghost:focus-visible {
    color: var(--brand, #e60012);
    border-color: rgba(230, 0, 18, 0.42);
    background: rgba(230, 0, 18, 0.045);
    box-shadow: 0 6px 18px rgba(15, 18, 28, 0.08);
    transform: translateY(-2px);
}
.prod-detail-show__btn--ghost:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(15, 18, 28, 0.06);
    background: rgba(230, 0, 18, 0.06);
}
.prod-detail-params {
    margin: 0;
    border-top: none;
}
.page-product-detail .prod-detail-params__head {
    margin: 0;
    padding: 0;
    height: 80px;
    min-height: 80px;
    box-sizing: border-box;
    display: flex;
    align-items: flex-end;
    background: #f7f7f7;
}
.page-product-detail .prod-detail-params__head-inner {
    padding-bottom: 0;
    width: 100%;
    height: 80px;
    min-height: 80px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}
.page-product-detail .prod-detail-params__title {
    margin: 0;
    border: none;
    border-left: none;
    font-size: clamp(17px, 1.15vw, 20px);
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--brand, #e60012);
    display: inline-block;
    box-sizing: border-box;
}
.page-product-detail .prod-detail-params__body {
    padding: clamp(28px, 2.8vw, 40px) 0 clamp(32px, 3vw, 44px);
    background: #fff;
}
.page-product-detail .prod-detail-params__stack {
    display: flex;
    flex-direction: column;
    gap: clamp(32px, 3vw, 44px);
}
.page-product-detail .prod-detail-params__panel {
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}
.page-product-detail .prod-detail-params__panel+.prod-detail-params__panel {
    border-top: none;
    padding-top: 0;
}
.page-product-detail .prod-detail-params__subtitle {
    margin: 0 0 clamp(14px, 1.3vw, 18px);
    padding: 0 0 0 14px;
    font-size: clamp(16px, 1.05vw, 18px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.04em;
    color: var(--color-title, #333);
    border: none;
    border-left: 3px solid var(--brand, #e60012);
}
.page-product-detail .prod-detail-params__panel-body {
    font-size: clamp(14px, 0.92vw, 15px);
    line-height: 1.85;
    color: #555;
}
.page-product-detail .prod-detail-params__panel-body p {
    margin: 0 0 0.75em;
}
.page-product-detail .prod-detail-params__panel-body p:last-child {
    margin-bottom: 0;
}
.page-product-detail .prod-detail-params__panel-body .prod-detail-advantages {
    gap: clamp(10px, 1vw, 14px);
}
.page-product-detail .prod-detail-params__panel-body .prod-detail-advantages__item {
    padding: clamp(12px, 1.1vw, 16px) clamp(14px, 1.3vw, 18px);
    font-size: clamp(14px, 0.92vw, 15px);
    line-height: 1.65;
    border-radius: 8px;
}
.page-product-detail .prod-detail-spec {
    padding: clamp(16px, 1.5vw, 20px) clamp(18px, 1.6vw, 24px);
    background: #fafbfc;
    border: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.08));
    border-radius: 10px;
    font-size: clamp(14px, 0.92vw, 15px);
    line-height: 1.9;
    color: #555;
}
.page-product-detail .prod-detail-spec p+p {
    margin-top: 0.65em;
}
.prod-detail-advantages {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.prod-detail-advantages__item {
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.6;
    color: #555;
    background: linear-gradient(180deg, #fafbfc 0%, #f3f4f6 100%);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 10px;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}
.prod-detail-advantages__item:hover {
    border-color: rgba(230, 0, 18, 0.2);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.06);
}
.prod-detail-process {
    margin: 0;
    padding: 0;
    list-style: none;
}
.page-product-detail .prod-detail-process {
    overflow: hidden;
    border: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.08));
    border-radius: 10px;
    background: #fff;
}
.prod-detail-process__step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.05));
}
.page-product-detail .prod-detail-process__step {
    align-items: center;
    gap: clamp(16px, 1.5vw, 22px);
    padding: clamp(14px, 1.25vw, 18px) clamp(18px, 1.6vw, 22px);
    border-bottom-color: rgba(15, 20, 30, 0.06);
}
.page-product-detail .prod-detail-process__step:nth-child(even) {
    background: #fafbfc;
}
.prod-detail-process__step:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.page-product-detail .prod-detail-process__step:last-child {
    padding-bottom: clamp(14px, 1.25vw, 18px);
}
.prod-detail-process__num {
    flex: 0 0 auto;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--brand, #e60012);
    opacity: 0.85;
}
.page-product-detail .prod-detail-process__num {
    min-width: 2.4em;
    font-size: clamp(14px, 0.95vw, 15px);
    font-variant-numeric: tabular-nums;
    opacity: 1;
}
.prod-detail-process__text {
    flex: 1;
    font-size: 14px;
    line-height: 1.65;
    color: #555;
}
.page-product-detail .prod-detail-process__text {
    font-size: clamp(14px, 0.92vw, 15px);
    line-height: 1.7;
    color: #444;
}


.prod-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.prod-detail-tags li {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #444;
    background: #f3f4f6;
    border-radius: 8px;
}
.page-product-detail .prod-detail-related {
    --pc-antai-radius: 12px;
    --pc-surface-border: #e6e8ed;
    --pc-card-img-bg: #fff;
    --pc-card-body-bg: #f6f7f9;
    --pc-card-title-fs: clamp(16px, 1.08vw, 18px);
    --pc-card-more-fs: 17px;
    margin-top: 0;
    padding: clamp(40px, 4.5vw, 56px) 0 var(--pc-detail-section-y);
    background: #fff;
    border-top: 1px solid var(--pc-detail-line, rgba(15, 20, 30, 0.08));
}
.page-product-detail .prod-detail-related__inner {
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}
.page-product-detail .prod-detail-related__head {
    text-align: center;
    margin-bottom: clamp(22px, 2.2vw, 30px);
}
.page-product-detail .prod-detail-related .prod-antai-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--pc-grid-gap);
    width: 100%;
    justify-content: space-between;
}
.page-product-detail .prod-detail-related .prod-antai-card {
    min-width: 0;
    max-width: none;
    width: 100%;
}
.prod-detail-related__title {
    margin: 0;
    padding: 0 0 clamp(10px, 1vw, 14px);
    font-size: clamp(24px, 2vw, 30px);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-title, #333);
    text-align: center;
    border-left: none;
}
.page-product-detail .prod-detail-related__title::after {
    content: "";
    display: block;
    width: 48px;
    height: 2px;
    margin: clamp(10px, 1vw, 14px) auto 0;
    background: #c40010;
}

/* 相关产品：仅 ≤1024 降为两列；>1024 保持四列 */
@media (max-width: 1024px) {
    .page-product-detail .prod-detail-related .prod-antai-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1100px) {
    .page-product-list .prod-antai-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .page-product-list .prod-antai-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-product-list .prod-antai-sidebar {
        position: static;
        align-self: auto;
        min-height: 0;
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .page-product-list .prod-antai-sidebar__pin {
        position: static;
        display: contents;
    }
    .page-product-list .prod-antai-sidebar__panel {
        max-height: none;
        overflow: visible;
    }
    .page-product-list .prod-antai-sidebar__title {
        position: static;
    }
    .page-product-list .prod-antai-main {
        box-shadow: var(--pc-panel-shadow);
    }
}

@media (max-width: 1100px) {
    .prod-detail-advantages {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .prod-detail-show__top {
        flex-direction: column;
        flex-wrap: wrap;
        gap: clamp(24px, 4vw, 36px);
    }
    .prod-detail-show__gallery {
        flex: none;
        width: 100%;
        max-width: none;
        border-right: none;
        border-bottom: none;
    }
    .page-product-detail .prod-detail-panel--hero {
        padding-bottom: var(--pc-detail-section-y);
    }
    body.page-product-detail .prod-detail-gallery__main {
        height: auto;
        min-height: clamp(260px, 42vw, 380px);
        max-height: none;
    }
    body.page-product-detail .prod-detail-show__stage,
    body.page-product-detail .prod-detail-show__photo {
        max-height: clamp(240px, 40vw, 360px);
    }
}

/* 产品列表：Pad / 手机大板块间距（PC 保持 .prod-catalog-page clamp 不变；详情页不在此改） */
@media (max-width: 1024px) {
    .page-product-list {
        --pc-block-gap: 55px;
        --pc-antai-nav: 248px;
        --pc-antai-gap: clamp(16px, 2vw, 22px);
    }
    body.page-product-list .prod-antai-sidebar {
        gap: 14px;
    }
    body.page-product-list .prod-antai-sidebar__panel {
        padding: 14px 12px 16px;
    }
    body.page-product-list .prod-antai-sidebar__title {
        margin-bottom: 12px;
        padding: 11px 12px;
        font-size: 14px;
        letter-spacing: 0.08em;
    }
    body.page-product-list .prod-antai-sidebar__title-icon {
        width: 24px;
        height: 24px;
    }
    body.page-product-list .prod-antai-sidebar__title-icon svg {
        width: 18px;
        height: 18px;
    }
    body.page-product-list .prod-antai-nav__link {
        min-height: 42px;
        padding: 9px 8px 9px 10px;
        font-size: 13px;
    }
    body.page-product-list .prod-antai-nav__link::after {
        width: 20px;
        height: 20px;
        background-size: 11px;
    }
    body.page-product-list .prod-antai-aside-card {
        padding: 14px 12px 16px;
    }
    body.page-product-list .prod-antai-aside-card__tit {
        font-size: 14px;
    }
    body.page-product-list .page-banner.page-banner--has-bg {
        min-height: clamp(260px, 32vw, 360px);
        padding-top: var(--pc-block-gap);
        padding-bottom: var(--pc-block-gap);
    }
    body.page-product-list .prod-catalog-page {
        padding-top: var(--pc-block-gap);
        padding-bottom: var(--pc-block-gap);
    }

    /* 产品详情：大板块间距（PC 仍用 --pc-detail-main-top / --pc-detail-section-y） */
    .page-product-detail {
        --pc-detail-block-gap: 55px;
    }
    body.page-product-detail .page-banner.page-banner--has-bg {
        min-height: clamp(260px, 32vw, 360px);
        padding-top: var(--pc-detail-block-gap);
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-catalog-detail-page {
        padding-top: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-detail-panel--hero {
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-detail-related {
        padding-top: var(--pc-detail-block-gap);
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-detail-params__body {
        padding-top: clamp(24px, 2.5vw, 32px);
        padding-bottom: clamp(20px, 2vw, 28px);
    }
    body.page-product-detail .prod-detail-gallery__main {
        height: clamp(360px, 38vw, 420px);
        min-height: clamp(360px, 38vw, 420px);
        max-height: clamp(360px, 38vw, 420px);
    }
    body.page-product-detail .prod-detail-show__stage {
        max-height: calc(clamp(360px, 38vw, 420px) - 60px - 25px - 14px);
    }
    body.page-product-detail .prod-detail-show__photo {
        max-height: calc(clamp(360px, 38vw, 420px) - 60px - 25px - 14px);
    }
}

@media (max-width: 640px) {
    .page-product-list {
        --pc-block-gap: 30px;
        --pc-card-body-pt: 18px;
        --pc-card-body-px: 14px;
        --pc-card-body-pb: 16px;
        --pc-card-gap-tit-rule: 14px;
        --pc-card-gap-rule-more: 12px;
        --pc-card-img-pad: 12px;
        --pc-card-title-fs: 14px;
        --pc-card-more-fs: 13px;
    }
    body.page-product-list .page-banner.page-banner--has-bg {
        min-height: clamp(200px, 50vw, 260px);
        padding-top: var(--pc-block-gap);
        padding-bottom: var(--pc-block-gap);
    }
    body.page-product-list .prod-catalog-page {
        padding-top: var(--pc-block-gap);
        padding-bottom: var(--pc-block-gap);
    }
    body.page-product-list .prod-catalog-page__inner.container {
        width: 100%;
        max-width: 100%;
        padding-inline: 14px;
        box-sizing: border-box;
    }
    body.page-product-list .prod-antai-layout {
        gap: 12px;
        min-width: 0;
        width: 100%;
    }
    body.page-product-list .prod-antai-cat {
        scroll-margin-top: calc(var(--header-h, 105px) + 12px);
    }
    body.page-product-list .prod-antai-card {
        scroll-margin-top: calc(var(--header-h, 105px) + 12px);
    }
    body.page-product-list .prod-antai-sidebar {
        position: static;
        gap: 10px;
        min-width: 0;
        max-width: 100%;
    }
    body.page-product-list .prod-antai-sidebar__panel {
        padding: 0 0 4px;
        background: transparent;
        border: none;
        border-radius: 0;
        box-shadow: none;
        min-width: 0;
        max-width: 100%;
        overflow: hidden;
    }
    body.page-product-list .prod-antai-sidebar__title {
        display: none;
    }
    body.page-product-list .prod-antai-nav {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        margin: 0;
        padding: 0 0 2px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        background: transparent;
        border: none;
        border-radius: 0;
    }
    body.page-product-list .prod-antai-nav::-webkit-scrollbar {
        display: none;
    }
    body.page-product-list .prod-antai-nav li {
        flex: 0 0 auto;
    }
    body.page-product-list .prod-antai-nav li+li {
        margin: 0;
    }
    body.page-product-list .prod-antai-nav li+li .prod-antai-nav__link {
        border-top: none;
        box-shadow: none;
    }
    body.page-product-list .prod-antai-nav__link {
        min-height: 0;
        justify-content: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 600;
        border-radius: 999px;
        white-space: nowrap;
        color: var(--color-title, #333);
        background: #f3f4f6;
        box-shadow: none;
    }
    body.page-product-list .prod-antai-nav__link:not(.is-active):hover {
        color: var(--brand, #e60012);
        background: #eceef2;
        box-shadow: none;
    }
    body.page-product-list .prod-antai-nav__link:focus-visible {
        color: var(--brand, #e60012);
        background: #eceef2;
        outline: 2px solid rgba(230, 0, 18, 0.35);
        outline-offset: 2px;
    }
    body.page-product-list .prod-antai-nav__link::after {
        display: none;
    }

    /* 覆盖 PC 端 .is-active 渐变 / :hover 白底，避免选中项白字白底 */
    body.page-product-list .prod-antai-nav__link.is-active,
    body.page-product-list .prod-antai-nav__link.is-active:hover,
    body.page-product-list .prod-antai-nav__link.is-active:focus-visible {
        color: #fff;
        font-weight: 700;
        background: var(--brand, #e60012);
        box-shadow: 0 4px 12px rgba(230, 0, 18, 0.22);
    }
    body.page-product-list .prod-antai-aside-card {
        padding: 14px;
        border-radius: 10px;
        min-width: 0;
        max-width: 100%;
        box-sizing: border-box;
        overflow-wrap: anywhere;
        display: none;
    }
    body.page-product-list .prod-antai-aside-card__item a {
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    body.page-product-list .prod-antai-aside-card__tit {
        margin-bottom: 10px;
        padding-bottom: 10px;
        font-size: 14px;
        letter-spacing: 0.08em;
    }
    body.page-product-list .prod-antai-aside-card__item {
        margin-bottom: 6px;
        font-size: 12px;
    }
    body.page-product-list .prod-antai-aside-card__item strong {
        margin-top: 2px;
        font-size: 13px;
    }
    body.page-product-list .prod-antai-aside-card__btn {
        min-height: 40px;
        margin-top: 12px;
        font-size: 13px;
        border-radius: 8px;
    }
    body.page-product-list .prod-antai-main {
        padding: 14px 12px 16px;
        border-radius: 10px;
        box-sizing: border-box;
        min-width: 0;
        max-width: 100%;
        overflow-x: clip;
        box-shadow:
            0 1px 0 rgba(255, 255, 255, 0.92) inset,
            0 6px 24px rgba(15, 20, 30, 0.07);
    }
    body.page-product-list .prod-antai-cat,
    body.page-product-list .prod-antai-cat__head,
    body.page-product-list .prod-antai-cat__head-main,
    body.page-product-list .prod-antai-grid {
        min-width: 0;
        max-width: 100%;
    }
    body.page-product-list .prod-antai-cat__lead {
        overflow-wrap: anywhere;
    }
    body.page-product-list .prod-antai-card__img img {
        max-width: min(92%, 100%);
    }
    body.page-product-list .prod-antai-cat+.prod-antai-cat {
        margin-top: 32px;
    }
    body.page-product-list .prod-antai-cat__head-main {
        gap: 6px 12px;
    }
    body.page-product-list .prod-antai-cat__head-main h2 {
        padding-left: 10px;
        font-size: clamp(17px, 4.8vw, 20px);
        border-left-width: 2px;
    }
    body.page-product-list .prod-antai-cat__lead {
        margin-top: 10px;
        font-size: 14px;
        line-height: 1.75;
    }
    body.page-product-list .prod-antai-cat__lead+.prod-antai-grid,
    body.page-product-list .prod-antai-cat__head+.prod-antai-grid {
        margin-top: 14px;
    }
    body.page-product-list .prod-antai-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    body.page-product-list .prod-antai-card__img {
        flex: none;
        min-height: clamp(140px, 42vw, 180px);
    }
    body.page-product-list .prod-antai-card__tit {
        white-space: normal;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-align: center;
    }
    body.page-product-list .prod-antai-card__link:hover,
    body.page-product-list .prod-antai-card__link:focus-visible {
        transform: none;
    }
    .page-product-detail .prod-detail-related .prod-antai-grid {
        grid-template-columns: 1fr;
    }

    /* 产品详情：手机 */
    .page-product-detail {
        --pc-detail-block-gap: 30px;
        --pc-card-body-pt: 18px;
        --pc-card-body-px: 14px;
        --pc-card-body-pb: 16px;
        --pc-card-gap-tit-rule: 14px;
        --pc-card-gap-rule-more: 12px;
        --pc-card-img-pad: 12px;
        --pc-card-title-fs: 14px;
        --pc-card-more-fs: 13px;
    }
    body.page-product-detail .page-banner.page-banner--has-bg {
        min-height: clamp(200px, 50vw, 260px);
        padding-top: var(--pc-detail-block-gap);
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-catalog-detail-page {
        padding-top: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-catalog-page__inner.container {
        width: 100%;
        max-width: 100%;
        padding-inline: 14px;
        box-sizing: border-box;
    }
    body.page-product-detail .prod-detail-stack,
    body.page-product-detail .prod-detail-show__top,
    body.page-product-detail .prod-detail-show__gallery,
    body.page-product-detail .prod-detail-show__summary {
        min-width: 0;
        max-width: 100%;
    }
    body.page-product-detail .prod-detail-panel--hero {
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-detail-show__top {
        gap: 16px;
    }
    body.page-product-detail .prod-detail-gallery__main {
        min-height: clamp(220px, 56vw, 300px);
        padding: 14px 10px 36px;
        border-radius: 8px;
    }
    body.page-product-detail .prod-detail-show__stage {
        min-height: clamp(180px, 48vw, 260px);
        max-height: clamp(200px, 50vw, 280px);
    }
    body.page-product-detail .prod-detail-show__photo {
        max-height: clamp(200px, 50vw, 280px);
    }
    body.page-product-detail .prod-detail-gallery__nav {
        width: 38px;
        height: 38px;
    }
    body.page-product-detail .prod-detail-gallery__nav--prev {
        left: 8px;
    }
    body.page-product-detail .prod-detail-gallery__nav--next {
        right: 8px;
    }
    body.page-product-detail .prod-detail-gallery__pager {
        bottom: 14px;
    }
    body.page-product-detail .prod-detail-intro__title {
        font-size: clamp(19px, 5.2vw, 22px);
    }
    body.page-product-detail .prod-detail-intro__body {
        font-size: 14px;
        line-height: 1.75;
    }
    body.page-product-detail .prod-detail-intro .prod-detail-show__actions {
        flex-wrap: wrap;
        margin-top: 16px;
        padding-top: 14px;
        gap: 8px;
    }
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn {
        flex: 1 1 calc(50% - 4px);
        min-width: 0;
        min-height: 40px;
        padding: 0 10px;
        font-size: 13px;
        white-space: normal;
    }
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn:not(.prod-detail-show__btn--ghost):hover,
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn:not(.prod-detail-show__btn--ghost):focus-visible,
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:hover,
    body.page-product-detail .prod-detail-intro .prod-detail-show__btn--ghost:focus-visible {
        transform: none;
    }
    body.page-product-detail .prod-detail-params__head,
    body.page-product-detail .prod-detail-params__head-inner {
        height: auto;
        min-height: 52px;
    }
    body.page-product-detail .prod-detail-params__head-inner {
        align-items: center;
        padding-block: 12px;
    }
    body.page-product-detail .prod-detail-params__title {
        font-size: 17px;
    }
    body.page-product-detail .prod-detail-params__body {
        padding-top: 20px;
        padding-bottom: 20px;
    }
    body.page-product-detail .prod-detail-params__stack {
        gap: 24px;
    }
    body.page-product-detail .prod-detail-params__subtitle {
        padding-left: 10px;
        font-size: 16px;
        border-left-width: 2px;
    }
    body.page-product-detail .prod-detail-params__panel-body {
        font-size: 14px;
        overflow-wrap: anywhere;
    }
    body.page-product-detail .prod-detail-spec {
        padding: 14px;
        font-size: 14px;
        overflow-x: auto;
    }
    body.page-product-detail .prod-detail-process {
        border-radius: 8px;
    }
    body.page-product-detail .prod-detail-process__step {
        padding: 12px 14px;
        gap: 12px;
    }
    body.page-product-detail .prod-detail-tags li {
        padding: 6px 12px;
        font-size: 12px;
    }
    body.page-product-detail .prod-detail-related {
        padding-top: var(--pc-detail-block-gap);
        padding-bottom: var(--pc-detail-block-gap);
    }
    body.page-product-detail .prod-detail-related__title {
        font-size: clamp(20px, 5.5vw, 24px);
    }
    body.page-product-detail .prod-detail-related__head {
        margin-bottom: 16px;
    }
    body.page-product-detail .prod-detail-related .prod-antai-grid {
        gap: 12px;
    }
    body.page-product-detail .prod-detail-related .prod-antai-card__img {
        flex: none;
        min-height: clamp(140px, 42vw, 180px);
    }
    body.page-product-detail .prod-detail-related .prod-antai-card__tit {
        white-space: normal;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-align: center;
    }
    body.page-product-detail .prod-detail-related .prod-antai-card__link:hover,
    body.page-product-detail .prod-detail-related .prod-antai-card__link:focus-visible {
        transform: none;
    }
}


@media (prefers-reduced-motion: reduce) {

    .page-product-list .prod-antai-card__link,
    .page-product-list .prod-antai-card__link::after,
    .page-product-list .prod-antai-card__tit,
    .page-product-list .prod-antai-card__img img,
    .page-product-list .prod-antai-aside-card__btn {
        transition: none;
    }
    .page-product-list .prod-antai-card__link:hover {
        transform: none;
        box-shadow: 0 1px 3px rgba(15, 20, 30, 0.04);
    }
    .page-product-list .prod-antai-card__link:hover::after,
    .page-product-list .prod-antai-card__link:focus-visible::after {
        transform: scaleX(1);
    }
}


/* 下载样册改为 <button>（不暴露真实文件地址），与其余 <a> 按钮视觉保持一致 */
.page-product-detail .prod-detail-intro button.prod-detail-show__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    line-height: 1;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}
.page-product-detail .prod-detail-intro button.prod-detail-show__btn--brochure {
    font-weight: inherit;
}