:root {
    /* 品牌主色：换品牌色只改这一组变量。 */
    --color-primary: #6858e8;
    --color-primary-hover: #5546c9;
    --color-on-primary: #ffffff;
    /* 正文链接与小号主色文字；午夜下换成更亮的紫，保证对比度。 */
    --color-link: #6858e8;
    --color-link-hover: #5546c9;
    /* 中性浅色色板，背景不带蓝调。 */
    --color-bg: #ffffff;
    --color-surface: #f5f5f5;
    --color-text: #171717;
    --color-muted: #575757;
    --color-border: #e0e0e0;
    --color-price: #c81e1e;
    --color-danger: #b91c1c;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-success: #166534;
    --color-warning: #b45309;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #fde68a;
    /* 白底商品图、缩略图的浅色底，午夜下保持不变。 */
    --color-image-bg: #f5f5f5;
    /* 支付二维码始终白底，不随主题背景变化。 */
    --color-qr-bg: #ffffff;
    /* 图片遮罩、控件与阴影，使用中性黑。 */
    --color-overlay-gradient: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.65));
    --color-overlay-control: rgba(17, 17, 17, 0.6);
    --color-overlay-control-hover: rgba(17, 17, 17, 0.72);
    --color-overlay-dot: rgba(255, 255, 255, 0.55);
    --color-shadow: rgba(0, 0, 0, 0.12);
    /* 主题色、线条、倒角由主题设置推导；这里是未配置时的默认值。 */
    --color-primary-soft: #f3f2fd;
    --line-width: 1px;
    --radius-control: 6px;
    --radius-card: 8px;
    --radius-media: 6px;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* 319/D：午夜色板。访客模式写在 html 上，首屏前由内联脚本确定。 */
html[data-theme="dark"] {
    --color-bg: #141414;
    --color-surface: #1c1c1c;
    --color-text: #e6e6e6;
    --color-muted: #a3a3a3;
    --color-border: #333333;
    --color-price: #f87171;
    --color-link: #9a8ff0;
    --color-link-hover: #b3aaf5;
    --color-danger: #fca5a5;
    --color-danger-bg: #2a1414;
    --color-danger-border: #7f1d1d;
    --color-success: #86efac;
    --color-warning: #fcd34d;
    --color-warning-bg: #2a2110;
    --color-warning-border: #713f12;
    --color-qr-bg: #ffffff;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

/* 宽表格在窄屏横向滚动，避免撑破页面。 */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

html,
body {
    touch-action: manipulation;
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-bg);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

/* 表单控件跟随主题，午夜模式下输入文字和底色都可读。 */
input[type="text"],
input[type="search"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="url"],
input:not([type]),
select,
textarea {
    color: var(--color-text);
    background-color: var(--color-bg);
}

::placeholder {
    color: var(--color-muted);
    opacity: 1;
}

/* 富文本里的代码块，两种模式共用变量。 */
.site-page code,
.site-article-body code,
.product-body code {
    padding: 2px 5px;
    background: var(--color-surface);
    border-radius: 4px;
    font-size: 0.92em;
}

.site-page pre,
.site-article-body pre,
.product-body pre {
    padding: 12px 14px;
    overflow-x: auto;
    background: var(--color-surface);
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-card);
    -webkit-overflow-scrolling: touch;
}

.site-page pre code,
.site-article-body pre code,
.product-body pre code {
    padding: 0;
    background: none;
    border-radius: 0;
}

.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px 24px;
    border-bottom: var(--line-width) solid var(--color-border);
}

.site-name {
    color: var(--color-text);
    font-size: 20px;
    font-weight: 600;
}

.site-logo {
    display: inline-flex;
    align-items: center;
}

.site-logo svg,
.site-logo-image {
    display: block;
    width: auto;
    max-width: 100%;
    height: 40px;
}

.site-menu-toggle {
    display: none;
    flex: 0 0 auto;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    padding: 11px;
    background: var(--color-bg);
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-control);
    cursor: pointer;
}

.site-menu-toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-menu-open .site-menu-toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.site-header.is-menu-open .site-menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.site-header.is-menu-open .site-menu-toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.site-locale {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.site-locale form {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.site-locale form button {
    min-width: 44px;
    min-height: 40px;
    padding: 8px 12px;
    color: var(--color-text);
    background: var(--color-bg);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.2;
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-control);
    cursor: pointer;
}

.site-locale form button:hover {
    color: var(--color-link);
    border-color: var(--color-primary);
}

.site-locale form button[aria-current="true"] {
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* 手机端顶栏的工具按钮：默认隐藏，仅在窄屏出现。 */
.site-search-toggle,
.site-locale-toggle {
    display: none;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
}

.site-search-toggle svg,
.site-locale-toggle svg {
    width: 20px;
    height: 20px;
}

.site-search-toggle:hover,
.site-locale-toggle:hover {
    color: var(--color-link);
    border-color: var(--color-primary);
}

/* 319/D：访客颜色模式切换，循环 自动 → 浅色 → 午夜；后台关闭开关后不输出。 */
.site-theme-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    order: 1;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
}

.site-theme-toggle:hover {
    color: var(--color-link);
    border-color: var(--color-primary);
}

.site-theme-toggle svg {
    width: 20px;
    height: 20px;
}

.site-theme-icon {
    display: none;
}

html:not([data-theme-mode]) .site-theme-toggle .site-theme-icon--auto,
html[data-theme-mode="auto"] .site-theme-toggle .site-theme-icon--auto,
html[data-theme-mode="light"] .site-theme-toggle .site-theme-icon--light,
html[data-theme-mode="dark"] .site-theme-toggle .site-theme-icon--dark {
    display: block;
}

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav li.is-active > a {
    color: var(--color-link);
}

.site-main {
    max-width: 1080px;
    min-height: 50vh;
    margin: 0 auto;
    padding: 40px 24px;
}

.site-main h1 {
    margin: 0 0 20px;
    font-size: 28px;
    line-height: 1.3;
}

/* 富文本正文（单页、文章、商品详情）：图片和嵌入内容不撑破窄屏。 */
.site-page img,
.site-article-body img,
.product-body img {
    max-width: 100%;
    height: auto;
}

.site-page video,
.site-article-body video,
.product-body video,
.site-page iframe,
.site-article-body iframe,
.product-body iframe {
    max-width: 100%;
}

/* 正文下方的 Tag 链接。 */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 28px 0 0;
}

.tag {
    padding: 6px 16px;
    color: var(--color-muted);
    background: var(--color-surface);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    text-decoration: none;
}

.tag:hover {
    color: var(--color-link);
    border-color: var(--color-primary);
}

/* 当前栏目标签。 */
.tag.is-active,
.tag.is-active:hover {
    color: var(--color-on-primary);
    background: var(--color-primary);
}

/* 支付二维码始终白底，保证图片可被扫码识别。 */
.pay-qr img {
    background: var(--color-qr-bg);
}

/* 富文本表格无法预先包裹容器，直接在表格上横向滚动。 */
.site-page table,
.site-article-body table,
.product-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.site-breadcrumbs {
    margin: 0 0 20px;
    color: var(--color-muted);
    font-size: 14px;
}

.site-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-breadcrumbs li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.site-breadcrumbs li + li::before {
    content: "/";
    color: var(--color-border);
}

.site-breadcrumbs a {
    color: var(--color-muted);
}

.site-breadcrumbs a:hover {
    color: var(--color-link);
}

.home-hero {
    margin-bottom: 36px;
}

.home-hero h1 {
    margin-bottom: 12px;
}

.home-banners {
    margin-bottom: 36px;
}

.home-banner {
    margin-bottom: 16px;
}

.home-banner img,
.home-banner video {
    display: block;
    width: 100%;
    height: auto;
}

[data-hero-carousel]{position:relative;display:block;width:100%;max-width:1920px;margin:0 auto;overflow:hidden;}
[data-hero-carousel] [data-hero-track]{display:flex;flex-wrap:nowrap;align-items:stretch;width:100%;transition:transform .45s ease;will-change:transform;}
[data-hero-carousel] [data-hero-slide]{box-sizing:border-box;flex:0 0 100%;min-width:100%;max-width:100%;margin:0;display:block;position:relative;}
[data-hero-carousel] [data-hero-slide] img,[data-hero-carousel] [data-hero-slide] video{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:1920 / 720;object-fit:cover;object-position:center;}
[data-hero-carousel] .home-carousel-caption{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:.35rem;padding:1.25rem;color:var(--color-on-primary);background:var(--color-overlay-gradient);text-decoration:none;}
[data-hero-carousel]:has(.home-carousel-dots) .home-carousel-caption{padding-bottom:2.5rem;}
/* 大图上的链接跟随说明文字用白字，避免品牌色落在深色渐变上对比不足。 */
[data-hero-carousel] .home-carousel-caption a{color:inherit;text-decoration:underline;}
[data-hero-carousel] .home-carousel-prev,[data-hero-carousel] .home-carousel-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;border:0;border-radius:50%;background:var(--color-overlay-control);color:var(--color-on-primary);font-size:1.75rem;line-height:1;cursor:pointer;}
[data-hero-carousel] .home-carousel-prev{left:.75rem;}
[data-hero-carousel] .home-carousel-next{right:.75rem;}
[data-hero-carousel] .home-carousel-prev:hover,[data-hero-carousel] .home-carousel-next:hover{background:var(--color-overlay-control-hover);}
[data-hero-carousel] .home-carousel-prev:focus-visible,[data-hero-carousel] .home-carousel-next:focus-visible{outline:2px solid var(--color-on-primary);outline-offset:2px;}
[data-hero-carousel] .home-carousel-dots{position:absolute;left:0;right:0;bottom:.75rem;z-index:2;display:flex;justify-content:center;gap:.5rem;}
[data-hero-carousel] .home-carousel-dot{width:.6rem;height:.6rem;padding:0;border:0;border-radius:50%;background:var(--color-overlay-dot);cursor:pointer;}
[data-hero-carousel] .home-carousel-dot.is-active{background:var(--color-on-primary);}
@media (max-width:600px){[data-hero-carousel] .home-carousel-prev,[data-hero-carousel] .home-carousel-next{width:2rem;height:2rem;font-size:1.35rem;}}

.home-description {
    max-width: 720px;
    margin: 0 0 12px;
    color: var(--color-muted);
}

.home-empty {
    margin: 16px 0 0;
    color: var(--color-muted);
}

.home-admin-hint {
    margin: 8px 0 0;
}

.home-section {
    margin-top: 36px;
}

.home-section h2 {
    margin: 0 0 16px;
    padding-bottom: 10px;
    font-size: 20px;
    font-weight: 600;
    border-bottom: var(--line-width) solid var(--color-border);
}

.home-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-list-item {
    padding: 14px 0;
    border-bottom: var(--line-width) solid var(--color-border);
}

.home-list-item:first-child {
    padding-top: 0;
}

.home-list-item:last-child {
    border-bottom: 0;
}

.home-list-title {
    font-size: 17px;
    font-weight: 500;
}

.home-list-time,
.home-list-price {
    margin-left: 12px;
    color: var(--color-muted);
    font-size: 14px;
}

.home-list-summary {
    margin: 6px 0 0;
    color: var(--color-muted);
}

.home-category-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-category-item {
    min-width: 0;
}

.home-category-link {
    display: block;
    overflow: hidden;
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg);
    color: inherit;
    text-decoration: none;
}

.home-category-link:hover,
.home-category-link:focus {
    border-color: var(--color-primary);
    color: var(--color-link);
}

.home-category-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.home-category-name {
    display: block;
    padding: 10px 12px;
    overflow-wrap: anywhere;
    font-weight: 500;
}

.site-footer {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px;
    color: var(--color-muted);
    font-size: 13px;
    text-align: center;
    border-top: var(--line-width) solid var(--color-border);
}

.site-footer p {
    margin: 4px 0;
}

.site-footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin: 0 0 12px;
}

.site-footer-menu a {
    color: var(--color-muted);
}

.site-footer-filing a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-muted);
}

.site-footer-copyright {
    color: var(--color-muted);
}

/* 手机顶栏：一行内依次是站名、搜索、颜色模式、语言、购物车、菜单，搜索框展开在下方。 */
@media (max-width: 767px) {
    .site-header {
        padding: 12px 16px;
        gap: 8px;
    }

    .site-name {
        flex: 1 1 auto;
        min-width: 0;
        overflow: hidden;
        font-size: 18px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .site-search-toggle {
        display: inline-flex;
        order: 1;
    }

    .site-theme-toggle {
        display: inline-flex;
        order: 2;
    }

    .site-locale {
        position: relative;
        display: block;
        order: 3;
    }

    .site-locale-toggle {
        display: inline-flex;
    }

    .site-locale form {
        position: absolute;
        top: calc(100% + 6px);
        right: 0;
        z-index: 20;
        display: none;
        flex-direction: column;
        flex-wrap: nowrap;
        min-width: 120px;
        padding: 6px;
        background: var(--color-bg);
        border: var(--line-width) solid var(--color-border);
        border-radius: var(--radius-card);
        box-shadow: 0 8px 20px var(--color-shadow);
    }

    .site-locale.is-open form {
        display: flex;
    }

    .site-locale form button {
        width: 100%;
        min-height: 40px;
        border: 0;
        text-align: left;
    }

    .site-menu-toggle {
        display: inline-flex;
        order: 5;
    }

    .site-nav {
        display: none;
        flex-basis: 100%;
        order: 6;
    }

    .site-header.is-menu-open .site-nav {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .site-nav > ul > li {
        border-top: var(--line-width) solid var(--color-border);
    }

    .site-nav > ul > li:first-child {
        border-top: 0;
    }

    .site-nav a {
        display: block;
        min-height: 44px;
        padding: 12px 4px;
    }

    .site-nav ul ul {
        padding-left: 16px;
    }

    .site-nav .site-nav-children a {
        padding-top: 10px;
        padding-bottom: 10px;
        color: var(--color-muted);
        font-size: 14px;
    }

    .site-main {
        padding: 28px 16px;
    }

    .site-main h1 {
        font-size: 24px;
    }

    .site-footer {
        padding: 20px 16px;
    }
}

@media (max-width: 760px) {
    /* iOS 聚焦输入框时字号 <16px 会放大页面。 */
    input,
    select,
    textarea {
        font-size: 16px;
    }
}

/* 搜索 */
.site-search { margin-left: auto; }
.site-search input,
.search-page-form input {
    font-size: 16px;
    padding: 6px 10px;
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-control);
    width: 180px;
    max-width: 100%;
    box-sizing: border-box;
}
.search-page-form { display: flex; gap: 8px; margin: 12px 0 20px; }
.search-page-form input { flex: 1; width: auto; min-width: 0; }
.search-page-form button { font-size: 16px; padding: 6px 14px; border: 0; border-radius: var(--radius-control); background: var(--color-primary); color: var(--color-on-primary); }
.search-page-form button:hover { background: var(--color-primary-hover); }
.search-empty { color: var(--color-muted); }
@media (max-width: 767px) {
    .site-cart { order: 4; }
    .site-search { order: 7; flex-basis: 100%; width: 100%; margin: 0; }
    .site-search input { width: 100%; }
    .site-header:not(.is-search-open) .site-search { display: none; }
}

/* 页头购物车：桌面端排在工具区末尾，移动端紧挨菜单按钮。 */
.site-cart {
    position: relative;
    order: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.site-cart:hover {
    color: var(--color-link);
    border-color: var(--color-primary);
    text-decoration: none;
}

.site-cart svg {
    width: 20px;
    height: 20px;
}

.site-cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    color: var(--color-on-primary);
    background: var(--color-primary);
    border-radius: 999px;
    font-size: 12px;
    line-height: 18px;
    text-align: center;
}

.site-cart-count:empty {
    display: none;
}

/* 购物车、结算行内商品缩略图。 */
.cart-product {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-thumb-link {
    display: block;
    flex: 0 0 64px;
    line-height: 0;
}

.cart-thumb {
    display: block;
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    object-fit: cover;
    background: var(--color-image-bg);
    border-radius: var(--radius-media);
}

.cart-product-info {
    min-width: 0;
}

/* 商品大图卡片：图片在上撑满卡片宽度，下面依次是商品名、简介和价格。 */
.product-grid,
.product-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: calc(24px * var(--density)) calc(20px * var(--density));
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-grid.product-grid--list {
    grid-template-columns: minmax(0, 1fr);
}

.product-grid.product-grid--list > li {
    flex-direction: row;
}

.product-grid.product-grid--list .product-card-media {
    flex: 0 0 160px;
    width: 160px;
}

.product-grid.product-grid--list .product-card-body {
    flex: 1 1 auto;
    min-width: 0;
}

.product-grid > li,
.product-list > li {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background: var(--color-bg);
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.product-card-media {
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-image-bg);
}

.product-card-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: calc(14px * var(--density)) calc(16px * var(--density)) calc(16px * var(--density));
}

.product-card-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.product-card-title a {
    color: var(--color-text);
}

.product-card-title a:hover {
    color: var(--color-link);
}

.product-card-summary {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.6;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-card-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    margin: 0;
    color: var(--color-price);
    font-size: 17px;
    font-weight: 600;
}

.product-card-compare {
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 400;
}

@media (max-width: 1024px) {
    .product-grid,
    .product-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .product-grid,
    .product-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: calc(16px * var(--density)) calc(12px * var(--density));
    }

    .product-card-body {
        padding: calc(12px * var(--density)) calc(14px * var(--density)) calc(14px * var(--density));
    }
}

@media (max-width: 420px) {
    .product-grid,
    .product-list {
        grid-template-columns: repeat(var(--product-columns-mobile), minmax(0, 1fr));
    }
}

/* 友情链接卡片：16:9 图片在上，下方标题和一行简介；无图时用灰底占位。 */
.site-link-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-link-grid > li {
    min-width: 0;
}

.site-link-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    color: var(--color-text);
    background: var(--color-bg);
    border: var(--line-width) solid var(--color-border);
    border-radius: var(--radius-card);
    text-decoration: none;
}

a.site-link-card:hover,
a.site-link-card:focus {
    color: var(--color-text);
    border-color: var(--color-primary);
    text-decoration: none;
}

.site-link-logo {
    display: block;
    flex: 0 0 auto;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-image-bg);
}

.site-link-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.site-link-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px 16px;
}

.site-link-name {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.site-link-description {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.6;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/* 栏目导航：一排标签。 */
.site-category-tags {
    margin: 0 0 20px;
}

.site-category-tags .tag-list {
    margin: 0;
}

@media (max-width: 1024px) {
    .site-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .site-link-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .site-link-body {
        padding: 12px 14px 14px;
    }
}

/* 319/D：购物车、结算、商品、登录与支付页面的午夜色适配。
   选择器带 html[data-theme="dark"]，优先级高于模块模板里的内联样式。 */
html[data-theme="dark"] .product-spec-option,
html[data-theme="dark"] .product-qty-btn,
html[data-theme="dark"] .cart-qty button,
html[data-theme="dark"] .cart-remove button,
html[data-theme="dark"] .member-login-method {
    background: var(--color-bg);
}

html[data-theme="dark"] .member-email-row button {
    color: var(--color-link);
    background: var(--color-bg);
}

html[data-theme="dark"] .cart-table thead th,
html[data-theme="dark"] .checkout-list thead th,
html[data-theme="dark"] .product-sku-table thead th,
html[data-theme="dark"] .product-spec-row dt,
html[data-theme="dark"] .checkout-shipping,
html[data-theme="dark"] .checkout-summary,
html[data-theme="dark"] .checkout-payment-option.is-disabled,
html[data-theme="dark"] .checkout-address-option.is-disabled,
html[data-theme="dark"] .pay-shipping,
html[data-theme="dark"] .pay-placeholder {
    background: var(--color-surface);
}

html[data-theme="dark"] .checkout-address-badge {
    color: var(--color-link);
    background: var(--color-surface);
}

html[data-theme="dark"] .product-price,
html[data-theme="dark"] .cart-total strong,
html[data-theme="dark"] .checkout-summary .checkout-total strong,
html[data-theme="dark"] .pay-amount,
html[data-theme="dark"] .pay-done-amount {
    color: var(--color-price);
}

html[data-theme="dark"] .cart-error,
html[data-theme="dark"] .checkout-error,
html[data-theme="dark"] .form-error-summary,
html[data-theme="dark"] .member-login-error {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

html[data-theme="dark"] .cart-qty-error,
html[data-theme="dark"] .cart-unbuyable,
html[data-theme="dark"] .product-qty-message,
html[data-theme="dark"] .product-unavailable,
html[data-theme="dark"] .form-error,
html[data-theme="dark"] .checkout-payment-hint,
html[data-theme="dark"] .member-email-status.is-error {
    color: var(--color-danger);
}

html[data-theme="dark"] .member-email-status.is-ok {
    color: var(--color-success);
}

html[data-theme="dark"] .checkout-payment-disabled {
    color: var(--color-warning);
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
}

html[data-theme="dark"] .checkout-address-unshippable {
    color: var(--color-warning);
}

html[data-theme="dark"] .checkout-empty a {
    color: var(--color-link);
}

/* 富文本表格的边框与表头在午夜模式下使用主题色。 */
html[data-theme="dark"] .site-page table,
html[data-theme="dark"] .site-article-body table,
html[data-theme="dark"] .product-body table {
    color: var(--color-text);
}

html[data-theme="dark"] .site-page th,
html[data-theme="dark"] .site-page td,
html[data-theme="dark"] .site-article-body th,
html[data-theme="dark"] .site-article-body td,
html[data-theme="dark"] .product-body th,
html[data-theme="dark"] .product-body td {
    border-color: var(--color-border);
}