/* 侧栏购物车：右侧浮层全视口高度，无遮罩；z-index 高于顶栏以免顶部被挡 */

:root {
    --site-cart-sidebar-z-panel: 10010;
    --site-cart-sidebar-width: 250px;
    --site-app-sidebar-desktop-width: 280px;
    /* 产品比较侧栏略宽，便于型号+制造商+缩略图同屏 */
    --site-compare-sidebar-width: 320px;
}

/* 对齐参考站 #app-sidebar：右侧全高、左缘圆角、悬浮于内容之上 */
.sidebar.sidebar-radius.site-app-sidebar {
    border-radius: 12px 0 0 12px;
}

.site-app-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(100vw, var(--site-cart-sidebar-width));
    z-index: var(--site-cart-sidebar-z-panel);
    background: #fff;
    box-shadow: -4px 0 24px rgba(15, 23, 42, 0.12);
    transform: translateX(100%);
    transition: transform 0.25s ease, visibility 0.25s ease;
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.site-app-sidebar.is-open {
    transform: translateX(0);
    visibility: visible;
}

/* 宽屏：侧栏宽度与参考站一致（约 280px）；显隐仅由 .is-open 控制，首屏默认关闭 */
@media (min-width: 992px) {
    .site-app-sidebar {
        width: min(100vw, var(--site-app-sidebar-desktop-width));
    }
}

.site-cart__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

.site-cart__head {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    background: var(--cat-bg, #f6f8fc);
}

.site-cart__head-text {
    flex: 1;
    min-width: 0;
}

.site-cart__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cat-text, #333);
}

.site-cart__items-meta {
    margin: 6px 0 0;
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    line-height: 1.35;
}

.site-cart__items-meta-label {
    color: var(--cat-muted, #666);
}

/* 宽屏右侧悬浮条：账户中心 + 打开购物车（低于侧栏 z-index，避免压住已打开的侧栏） */
.site-right-float-rail {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: calc(var(--site-cart-sidebar-z-panel) - 1);
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 42px;
    align-items: stretch;
    box-sizing: border-box;
}

@media (max-width: 991.98px) {
    .site-right-float-rail {
        display: none;
    }
}

.site-right-float-rail__btn {
    margin: 0;
    border: 0;
    border-radius: 10px 0 0 10px;
    background: #fff;
    box-shadow: -2px 0 14px rgba(15, 23, 42, 0.1);
    cursor: pointer;
    color: var(--cat-primary, #4267b2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 6px 4px;
    min-height: 0;
    text-decoration: none;
    font: inherit;
    box-sizing: border-box;
    width: 100%;
}

.site-right-float-rail__btn:hover {
    background: var(--cat-bg, #f6f8fc);
}

.site-right-float-rail__btn:focus-visible {
    outline: 2px solid var(--cat-primary, #4267b2);
    outline-offset: 2px;
}

/* 客服手机：纯展示，非链接 */
.site-right-float-rail__btn--display-only {
    cursor: default;
}
.site-right-float-rail__btn--display-only:hover {
    background: #fff;
}

/* 微信 / WhatsApp / TikTok：右侧条为小图，悬停左侧白条内为大图 */
.site-right-float-rail__btn-thumb-img {
    display: block;
    width: 30px;
    height: 30px;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    flex-shrink: 0;
}

.site-right-float-rail__kefu-strip--media {
    min-width: 0;
    max-width: min(200px, 46vw);
    padding: 8px;
}

.site-right-float-rail__kefu-strip--media img {
    display: block;
    width: 160px;
    height: auto;
    max-width: min(184px, 42vw);
    max-height: min(220px, 50vh);
    object-fit: contain;
}

/* 默认仅图标；悬停提示使用原生 title（浏览器 tooltip） */
.site-right-float-rail__img {
    display: block;
    width: 30px;
    height: 30px;
    max-width: 100%;
    object-fit: contain;
    flex-shrink: 0;
    pointer-events: none;
}

/* 客服配置项：与后台同形 SVG，currentColor 继承按钮上的 var(--cat-primary) */
.site-right-float-rail__icon-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    color: inherit;
    pointer-events: none;
}

.site-right-float-rail__icon-svg .site-right-float-rail__svg {
    display: block;
    width: 22px;
    height: 22px;
}

/* dajiqun_config.kefu：二维码悬停大图；其余联系方式左侧白条展示文案（与 QQ 一致） */
.site-right-float-rail__kefu-wrap {
    position: relative;
    width: 100%;
    flex-shrink: 0;
}

.site-right-float-rail__kefu-pop {
    position: absolute;
    right: calc(100% + 6px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
    background: #fff;
    padding: 8px;
    border-radius: 8px;
    box-shadow: -4px 0 18px rgba(15, 23, 42, 0.14);
}

.site-right-float-rail__kefu-pop--qrcode img {
    display: block;
    width: 140px;
    height: 140px;
    max-width: min(140px, 38vw);
    max-height: min(140px, 38vw);
    object-fit: contain;
}

.site-right-float-rail__kefu-strip {
    position: absolute;
    right: calc(100% + 6px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, visibility 0.18s ease;
    background: #fff;
    color: var(--cat-text, #333);
    font-size: 0.8125rem;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
    padding: 8px 14px;
    border-radius: 8px;
    box-shadow: -4px 0 14px rgba(15, 23, 42, 0.12);
    min-width: 120px;
}

.site-right-float-rail__kefu-wrap:hover .site-right-float-rail__kefu-pop,
.site-right-float-rail__kefu-wrap:hover .site-right-float-rail__kefu-strip,
.site-right-float-rail__kefu-wrap:focus-within .site-right-float-rail__kefu-pop,
.site-right-float-rail__kefu-wrap:focus-within .site-right-float-rail__kefu-strip {
    visibility: visible;
    opacity: 1;
}

.site-app-sidebar-reopen[hidden] {
    display: none !important;
}

.site-cart__close {
    border: 0;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-muted, #666);
    padding: 4px 8px;
    border-radius: var(--cat-border-radius, 0);
}

.site-cart__close:hover {
    color: var(--cat-primary, #4267b2);
}

.site-cart__items.scroll-box,
.site-cart__scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.site-cart__lines {
    list-style: none;
    margin: 0;
    padding: 10px 12px;
}

.site-cart__line {
    padding: 12px 10px;
    border: 1px solid var(--cat-border-lighter, #e6ebf5);
    border-radius: var(--cat-border-radius, 0);
    margin-bottom: 10px;
    background: #fff;
}

.site-cart__line-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--cat-text, #333);
    word-break: break-word;
}

.site-cart__line-sub {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    margin-top: 4px;
    line-height: 1.35;
}

.site-cart__line-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.site-cart__qty-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.site-cart__qty-label {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    white-space: nowrap;
}

.site-cart__qty-input {
    width: 72px;
    padding: 6px 8px;
    border: 1px solid var(--cat-border, #dfe4ed);
    font-size: 0.875rem;
}

.site-cart__remove {
    border: 0;
    background: transparent;
    color: var(--cat-muted, #666);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

.site-cart__remove:hover {
    color: var(--danger-color, #c80000);
}

.site-cart__empty-msg {
    padding: 24px 12px;
    text-align: center;
    color: var(--cat-muted, #666);
    font-size: 0.875rem;
}

.site-cart__foot {
    flex-shrink: 0;
    padding: 12px 14px;
    border-top: 1px solid var(--cat-border, #dfe4ed);
    background: #fff;
}

.site-cart__btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--cat-border-radius, 0);
    border: 1px solid var(--cat-primary, #4267b2);
}

.site-cart__btn--primary {
    background: var(--cat-primary, #4267b2);
    color: var(--cat-primary-text, #fff);
}

.site-cart__btn--primary:hover {
    background: var(--cat-primary-hover, #c80000a1);
    color: var(--cat-primary-text, #fff);
}

/* ===== 购物车独立页面 新版两列布局 ===== */

/*
 * cart_sidebar.css 购物车页覆盖规则说明：
 * category_page.css 中 .cat-main * { padding:0; margin:0 } 会重置所有元素，
 * 购物车页专用样式使用 .site-cart-page 前缀提升优先级来覆盖该重置。
 */

/* ===== 优先级覆盖：.site-cart-page 前缀确保高于 .cat-main * ===== */
.site-cart-page .cart-pg-crumb { margin: 16px 0 !important; }
.site-cart-page .cart-pg-crumb ol { padding: 0 !important; }

@media (min-width: 768px) {
    .site-cart-page .cart-pg-panel-head {
        padding: 13px 20px !important;
    }

    .site-cart-page .cart-pg-th {
        padding: 10px 14px !important;
        line-height: 1.4 !important;
    }

    .site-cart-page .cart-pg-th--check {
        padding-left: 14px !important;
        padding-right: 6px !important;
    }

    .site-cart-page .cart-pg-th--action {
        padding: 6px 8px !important;
    }

    .site-cart-page .cart-pg-td {
        padding: 12px 14px !important;
        line-height: 1.4 !important;
    }

    .site-cart-page .cart-pg-td--check {
        padding-left: 14px !important;
        padding-right: 6px !important;
    }

    .site-cart-page .cart-pg-td--remove {
        padding: 12px 8px !important;
    }
}

.site-cart-page .cart-pg-product { gap: 12px !important; }
.site-cart-page .cart-pg-product__info { padding: 0 !important; }
.site-cart-page .cart-pg-pn { margin: 0 0 2px !important; padding: 0 !important; }
.site-cart-page .cart-pg-mfr { margin-top: 3px !important; padding: 0 !important; }
.site-cart-page .cart-pg-desc { margin-top: 2px !important; padding: 0 !important; }

.site-cart-page .cart-pg-stepper__btn { padding: 0 !important; }
.site-cart-page .cart-pg-stepper__input { padding: 0 !important; }

.site-cart-page .cart-pg-price { padding: 0 !important; }
.site-cart-page .cart-pg-price p { margin: 0 !important; padding: 0 !important; line-height: 1.7 !important; }

.site-cart-page .cart-pg-summary__head { padding: 14px 20px !important; }
.site-cart-page .cart-pg-summary__body { padding: 14px 20px !important; gap: 8px !important; }
.site-cart-page .cart-pg-summary__row { margin: 0 !important; padding: 0 !important; }
.site-cart-page .cart-pg-summary__foot { padding: 14px 20px 16px !important; gap: 8px !important; }

.site-cart-page .cart-pg-secure { margin: 0 !important; padding: 0 !important; }
.site-cart-page .cart-pg-login-hint { margin: 4px 0 0 !important; padding: 0 !important; }
.site-cart-page .cart-pg-summary--logged-in .cart-pg-summary__val--price {
    color: var(--danger-color, #c80000) !important;
}
.site-cart-page .cart-pg-login-link { padding: 0 !important; }

/* 结账按钮：紧凑高度；主色随 :root --cat-primary（后台主题注入，与侧栏「去结算」一致） */
.site-cart-page .cart-pg-checkout-btn {
    padding: 8px 14px !important;
    min-height: 0 !important;
    line-height: 1.35 !important;
    font-size: 0.875rem !important;
    border-radius: 6px !important;
    background: var(--cat-primary, #4267b2) !important;
    border: 1px solid var(--cat-primary, #4267b2) !important;
    color: var(--cat-primary-text, #fff) !important;
}
.site-cart-page .cart-pg-checkout-btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--cat-primary, #4267b2) 86%, black) !important;
    border-color: color-mix(in srgb, var(--cat-primary, #4267b2) 86%, black) !important;
    color: var(--cat-primary-text, #fff) !important;
}
.site-cart-page .cart-pg-checkout-btn .cat-ico {
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0;
}

.site-cart-page .cart-pg-empty { padding: 56px 20px !important; gap: 16px !important; }
.site-cart-page .cart-pg-empty p { margin: 0 !important; padding: 0 !important; }

/* 面包屑 */
.cart-pg-crumb {
    margin: 16px 0;
    font-size: 0.875rem;
}

.cart-pg-crumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.cart-pg-crumb li {
    color: var(--cat-muted, #666);
}

.cart-pg-crumb li + li::before {
    content: "›";
    margin-right: 4px;
    color: var(--cat-muted, #888);
}

.cart-pg-crumb a {
    color: var(--cat-primary, #4267b2);
    text-decoration: none;
}

.cart-pg-crumb a:hover {
    text-decoration: underline;
}

/* 两列布局容器 */
.cart-pg-layout {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 40px;
}

/* 左侧：商品列表面板 */
.cart-pg-main {
    flex: 1;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--cat-border, #dfe4ed);
}

/* 面板头部 */
.cart-pg-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    background: var(--cat-bg, #f6f8fc);
}

.cart-pg-panel-head__left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-pg-panel-head__title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--cat-text, #333);
    margin: 0;
}

/* ===== 自定义 Checkbox ===== */
.cart-pg-check {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    min-width: 14px;
    border: 1.5px solid #c5cedc;
    background: #fff;
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.cart-pg-check:checked {
    background: var(--cat-primary, #4267b2);
    border-color: var(--cat-primary, #4267b2);
}

.cart-pg-check:checked::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0px;
    width: 4px;
    height: 7px;
    border: 1.5px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.cart-pg-check:focus {
    outline: 2px solid var(--cat-primary, #4267b2);
    outline-offset: 2px;
}

/* 表头 checkbox 列 */
.cart-pg-th--check,
.cart-pg-td--check {
    width: 44px;
    text-align: center;
    padding-left: 14px;
    padding-right: 6px;
}

/* 表头操作列（清空按钮） */
.cart-pg-th--action {
    width: 48px;
    text-align: center;
    padding: 6px 8px;
}

/* 清空全部按钮（在表头） */
.cart-pg-clear-all {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    color: var(--cat-muted, #aaa);
    cursor: pointer;
    padding: 4px;
    transition: color 0.15s;
}

.cart-pg-clear-all:hover {
    color: var(--danger-color, #c80000);
}

/* ===== 购物车表格 ===== */
.cart-pg-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.cart-pg-thead {
    background: var(--cat-bg, #f6f8fc);
}

.cart-pg-th {
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--cat-text, #333);
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    font-size: 0.875rem;
}

.cart-pg-row {
    border-bottom: 1px solid var(--cat-border-lighter, #e6ebf5);
    transition: background 0.1s, opacity 0.15s;
}

.cart-pg-row:last-child {
    border-bottom: 0;
}

.cart-pg-row:hover {
    background: #fafbfd;
}

/* 未勾选行视觉弱化 */
.cart-pg-row--unchecked {
    opacity: 0.55;
}

.cart-pg-td {
    padding: 14px 14px;
    vertical-align: middle;
}

.cart-pg-td--product {
    min-width: 180px;
}

.cart-pg-td--qty {
    white-space: nowrap;
}

.cart-pg-td--price {
    white-space: nowrap;
    min-width: 120px;
}

.cart-pg-td--remove {
    text-align: center;
    width: 44px;
    padding: 14px 8px;
}

/* ===== 商品图片 ===== */
.cart-pg-img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border: 0;
    background: transparent;
    flex-shrink: 0;
    vertical-align: middle;
}

.cart-pg-img--placeholder {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--cat-border, #dfe4ed);
    background: #f4f6fb;
    color: #c5cedc;
    flex-shrink: 0;
}

/* ===== 商品信息 ===== */
.cart-pg-product {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.cart-pg-product__info {
    flex: 1;
    min-width: 0;
}

.cart-pg-pn {
    display: block;
    font-weight: 600;
    color: var(--cat-primary, #4267b2);
    font-size: 0.9375rem;
    text-decoration: none;
    word-break: break-word;
    line-height: 1.3;
}

.cart-pg-pn:hover {
    text-decoration: underline;
}

.cart-pg-mfr {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    margin-top: 3px;
    line-height: 1.4;
}

.cart-pg-desc {
    font-size: 0.75rem;
    color: var(--cat-muted, #999);
    margin-top: 2px;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
}

/* ===== 数量步进器 ===== */
.cart-pg-stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--cat-border, #dfe4ed);
    background: #fff;
    overflow: hidden;
}

.cart-pg-stepper__btn {
    width: 32px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: var(--cat-bg, #f6f8fc);
    color: var(--cat-text, #333);
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s;
    flex-shrink: 0;
}

.cart-pg-stepper__btn:hover {
    background: var(--cat-border-lighter, #e6ebf5);
}

.cart-pg-stepper__btn:active {
    background: #dde3ef;
}

.cart-pg-stepper__input {
    width: 50px;
    height: 34px;
    text-align: center;
    border: 0;
    border-left: 1px solid var(--cat-border, #dfe4ed);
    border-right: 1px solid var(--cat-border, #dfe4ed);
    font-size: 0.875rem;
    background: #fff;
    color: var(--cat-text, #333);
    -moz-appearance: textfield;
}

.cart-pg-stepper__input::-webkit-inner-spin-button,
.cart-pg-stepper__input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.cart-pg-stepper__input:focus {
    outline: none;
    background: #fafbff;
}

/* ===== 价格列 ===== */
.cart-pg-price {
    font-size: 0.875rem;
    color: var(--cat-text, #333);
    line-height: 1.7;
}

.cart-pg-price__unit {
    font-weight: 600;
    color: var(--cat-primary, #4267b2);
}

/* ===== 删除按钮 ===== */
.cart-pg-remove-btn {
    border: 0;
    background: transparent;
    color: #bbb;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.cart-pg-remove-btn:hover {
    color: var(--danger-color, #c80000);
}

/* ===== 空状态 ===== */
.cart-pg-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 56px 20px;
    color: var(--cat-muted, #999);
    gap: 16px;
}

.cart-pg-empty__ico {
    opacity: 0.2;
}

.cart-pg-empty p {
    font-size: 0.9375rem;
}

/* ===== 右侧：订单摘要 ===== */
.cart-pg-side {
    width: 300px;
    flex-shrink: 0;
}

.cart-pg-summary {
    background: #fff;
    border: 1px solid var(--cat-border, #dfe4ed);
    overflow: hidden;
}

.cart-pg-summary__head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--cat-bg, #f6f8fc);
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    font-size: 1rem;
    font-weight: 600;
    color: var(--cat-text, #333);
}

.cart-pg-summary__body {
    padding: 14px 20px;
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cart-pg-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
    color: var(--cat-text, #333);
}

.cart-pg-summary__label {
    color: var(--cat-muted, #666);
}

.cart-pg-summary__val {
    font-weight: 600;
}

.cart-pg-summary__val--price {
    color: var(--cat-primary, #4267b2);
}

/* 已登录稿：小计用红色强调（未登录保持主色蓝） */
.cart-pg-summary--logged-in .cart-pg-summary__val--price {
    color: var(--danger-color, #c80000);
}

.cart-pg-summary__foot {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 结算按钮：主色随全站 --cat-primary */
.cart-pg-checkout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    box-sizing: border-box;
    padding: 8px 14px;
    min-height: 0;
    line-height: 1.35;
    border-radius: 6px;
    background: var(--cat-primary, #4267b2);
    color: var(--cat-primary-text, #fff);
    border: 1px solid var(--cat-primary, #4267b2);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    letter-spacing: 0.2px;
}

.cart-pg-checkout-btn .cat-ico {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--cat-primary-text, #fff);
}

.cart-pg-checkout-btn:hover:not(:disabled) {
    background: color-mix(in srgb, var(--cat-primary, #4267b2) 86%, black);
    border-color: color-mix(in srgb, var(--cat-primary, #4267b2) 86%, black);
}

.cart-pg-checkout-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* 安全提示 */
.cart-pg-secure {
    display: flex;
    align-items: flex-start;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--cat-muted, #888);
    line-height: 1.45;
    margin: 0;
}

.cart-pg-secure__dot {
    flex-shrink: 0;
    line-height: 1.45;
}

/* 登录提示（与安全说明分行，始终展示） */
.cart-pg-login-hint {
    margin: 4px 0 0;
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    text-align: center;
    line-height: 1.5;
}

.cart-pg-login-link {
    color: var(--cat-primary, #4267b2);
    text-decoration: none;
    font-weight: 600;
}

.cart-pg-login-link:hover {
    text-decoration: underline;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    /*
     * 纵向堆叠时主轴为垂直方向：.cart-pg-main 的 flex:1 只拉高不拉宽。
     * 若保留默认 align-items:flex-start，子项在交叉轴上不拉伸，宽度会缩成「内容宽度」，
     * 窄屏下右侧会空出一截。这里改为 stretch，让主栏与摘要同宽铺满容器。
     */
    .cart-pg-layout {
        flex-direction: column;
        align-items: stretch;
    }

    .cart-pg-side {
        width: 100%;
    }
}

/* 购物车页手机：卡片行 + 标签/字段分行（依赖 site_cart.js 注入的 data-label） */
@media (max-width: 767.98px) {
    .site-cart-page .cart-pg-layout {
        gap: 14px;
        margin-bottom: 24px;
    }

    .site-cart-page .cart-pg-main {
        border-radius: 8px;
        overflow: hidden;
    }

    .site-cart-page .cart-pg-panel-head {
        padding: 10px 12px !important;
    }

    .site-cart-page .cart-pg-table {
        display: block;
        width: 100%;
        overflow: visible;
    }

    /* 表头：仅保留「全选」与「清空」工具条 */
    .site-cart-page .cart-pg-table thead {
        display: block;
        width: 100%;
    }

    .site-cart-page .cart-pg-table thead tr {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 8px 12px 10px;
        margin: 0;
        border-bottom: 1px solid var(--cat-border, #dfe4ed);
        background: var(--cat-bg, #f6f8fc);
    }

    .site-cart-page .cart-pg-table thead .cart-pg-th {
        display: none;
        padding: 0;
        border: 0;
    }

    .site-cart-page .cart-pg-table thead .cart-pg-th--check,
    .site-cart-page .cart-pg-table thead .cart-pg-th--action {
        display: flex;
        align-items: center;
        width: auto;
    }

    .site-cart-page .cart-pg-table tbody {
        display: block;
        width: 100%;
        padding: 0;
    }

    /* 手机：去掉卡片描边，用底部分割线区分行 */
    .site-cart-page .cart-pg-row {
        display: block;
        margin: 0;
        padding: 14px 12px;
        border: 0;
        border-radius: 0;
        background: transparent;
        border-bottom: 1px solid var(--cat-border, #dfe4ed);
    }

    .site-cart-page .cart-pg-row:last-child {
        border-bottom: 0;
        padding-bottom: 16px;
    }

    .site-cart-page .cart-pg-td {
        display: block;
        width: 100%;
        max-width: 100%;
        padding: 8px 0 !important;
        border: 0;
        text-align: left;
        vertical-align: top;
        box-sizing: border-box;
        line-height: 1.4 !important;
    }

    .site-cart-page .cart-pg-td--check {
        padding: 0 0 6px !important;
    }

    .site-cart-page .cart-pg-td[data-label]::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 4px;
        font-size: 12px;
        font-weight: 600;
        color: var(--cat-muted, #666);
        line-height: 1.35;
    }

    .site-cart-page .cart-pg-td--product {
        min-width: 0;
    }

    .site-cart-page .cart-pg-td--qty {
        white-space: normal;
    }

    .site-cart-page .cart-pg-td--price {
        white-space: normal;
        min-width: 0;
    }

    .site-cart-page .cart-pg-desc {
        max-width: none;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .site-cart-page .cart-pg-td--remove {
        width: 100%;
        padding: 10px 0 0 !important;
        margin-top: 4px;
        border-top: 1px dashed var(--cat-border-lighter, #e6ebf5);
        text-align: right;
    }

    .site-cart-page .cart-pg-summary__head,
    .site-cart-page .cart-pg-summary__body,
    .site-cart-page .cart-pg-summary__foot {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    .site-cart-page .cart-pg-summary__head {
        padding-top: 12px !important;
        padding-bottom: 12px !important;
    }

    .site-cart-page .cart-pg-summary__body {
        padding-top: 12px !important;
        padding-bottom: 12px !important;
    }

    .site-cart-page .cart-pg-summary__foot {
        padding-top: 14px !important;
        padding-bottom: 14px !important;
    }
}

/* 侧栏 RFQ 清单：布局与购物车侧栏一致，z-index 略高以便与购物车互斥打开时覆盖 */
.site-rfq-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(100vw, var(--site-cart-sidebar-width));
    z-index: calc(var(--site-cart-sidebar-z-panel) + 1);
    background: #fff;
    box-shadow: -4px 0 24px rgba(15, 23, 42, 0.12);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.site-rfq-sidebar.is-open {
    transform: translateX(0);
    visibility: visible;
}

.site-rfq__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

.site-rfq__head {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    background: var(--cat-bg, #f6f8fc);
}

.site-rfq__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cat-text, #333);
}

.site-rfq__close {
    border: 0;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-muted, #666);
    padding: 4px 8px;
    border-radius: var(--cat-border-radius, 0);
}

.site-rfq__close:hover {
    color: var(--cat-primary, #4267b2);
}

.site-rfq__items.scroll-box,
.site-rfq__scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.site-rfq__lines {
    list-style: none;
    margin: 0;
    padding: 10px 12px;
}

.site-rfq__line {
    padding: 12px 10px;
    border: 1px solid var(--cat-border-lighter, #e6ebf5);
    border-radius: var(--cat-border-radius, 0);
    margin-bottom: 10px;
    background: #fff;
}

.site-rfq__line-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--cat-text, #333);
    word-break: break-word;
}

.site-rfq__line-sub {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    margin-top: 4px;
    line-height: 1.35;
}

.site-rfq__line-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.site-rfq__qty-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.site-rfq__qty-label {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    white-space: nowrap;
}

.site-rfq__qty-input {
    width: 72px;
    padding: 6px 8px;
    border: 1px solid var(--cat-border, #dfe4ed);
    font-size: 0.875rem;
}

.site-rfq__remove {
    border: 0;
    background: transparent;
    color: var(--cat-muted, #666);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

.site-rfq__remove:hover {
    color: var(--danger-color, #c80000);
}

.site-rfq__empty-msg {
    padding: 24px 12px;
    text-align: center;
    color: var(--cat-muted, #666);
    font-size: 0.875rem;
}

.site-rfq__foot {
    flex-shrink: 0;
    padding: 12px 14px;
    border-top: 1px solid var(--cat-border, #dfe4ed);
    background: #fff;
}

.site-rfq__btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--cat-border-radius, 0);
    border: 1px solid var(--cat-primary, #4267b2);
}

.site-rfq__btn--primary {
    background: var(--cat-primary, #4267b2);
    color: var(--cat-primary-text, #fff);
}

.site-rfq__btn--primary:hover {
    background: var(--cat-primary-hover, #c80000a1);
    color: var(--cat-primary-text, #fff);
}

/* 侧栏产品比较：与 RFQ 同级 z-index */
.site-compare-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(100vw, var(--site-compare-sidebar-width));
    z-index: calc(var(--site-cart-sidebar-z-panel) + 2);
    background: #fff;
    box-shadow: -4px 0 24px rgba(15, 23, 42, 0.12);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.site-compare-sidebar.is-open {
    transform: translateX(0);
    visibility: visible;
}

.site-compare__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

.site-compare__head {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--cat-border, #dfe4ed);
    background: var(--cat-bg, #f6f8fc);
}

.site-compare__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cat-text, #333);
}

.site-compare__close {
    border: 0;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--cat-muted, #666);
    padding: 4px 8px;
    border-radius: var(--cat-border-radius, 0);
}

.site-compare__close:hover {
    color: var(--cat-primary, #4267b2);
}

.site-compare__items.scroll-box,
.site-compare__scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.site-compare__lines {
    list-style: none;
    margin: 0;
    padding: 10px 12px;
}

.site-compare__line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 10px;
    border: 1px solid var(--cat-border-lighter, #e6ebf5);
    border-radius: var(--cat-border-radius, 0);
    margin-bottom: 10px;
    background: #fff;
}

.site-compare__line-thumb {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: 1px solid var(--cat-border-lighter, #e6ebf5);
    border-radius: 4px;
    background: #fafbfe;
    overflow: hidden;
}

.site-compare__line-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.site-compare__line-thumb--ph {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cat-muted, #b0b8c9);
}

.site-compare__line-ph-ico {
    display: block;
}

.site-compare__line-main {
    flex: 1;
    min-width: 0;
}

.site-compare__line-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--cat-text, #333);
    word-break: break-word;
}

.site-compare__line-sub {
    font-size: 0.8125rem;
    color: var(--cat-muted, #666);
    margin-top: 4px;
    line-height: 1.35;
}

.site-compare__line-actions {
    flex-shrink: 0;
}

.site-compare__remove {
    border: 0;
    background: transparent;
    color: var(--cat-muted, #666);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
}

.site-compare__remove:hover {
    color: var(--danger-color, #c80000);
}

.site-compare__empty-msg {
    padding: 24px 12px;
    text-align: center;
    color: var(--cat-muted, #666);
    font-size: 0.875rem;
}

.site-compare__foot {
    flex-shrink: 0;
    padding: 12px 14px;
    border-top: 1px solid var(--cat-border, #dfe4ed);
    background: #fff;
}

.site-compare__btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--cat-border-radius, 0);
    border: 1px solid var(--cat-primary, #4267b2);
}

.site-compare__btn--primary {
    background: var(--cat-primary, #4267b2);
    color: var(--cat-primary-text, #fff);
}

.site-compare__btn--primary:hover {
    background: var(--cat-primary-hover, #c80000a1);
    color: var(--cat-primary-text, #fff);
}