/* ===================== 全局背景与基调 ===================== */
body {
    background: radial-gradient(1200px 420px at 50% -140px, #e9f4f2 0, rgba(233, 244, 242, 0) 70%), #f6f8f7;
    min-height: 100vh;
}

#home_page {
    --hp-primary: #2c7a7b;
    --hp-primary-2: #3f9a93;
    --hp-primary-soft: #e9f4f2;
    --hp-danger: #e0604f;
    --hp-text: #1f2d2b;
    --hp-muted: #7c8b88;
    --hp-line: rgba(31, 45, 43, .08);
    --hp-radius: 12px;
    --hp-radius-sm: 8px;
    --hp-shadow: 0 2px 12px rgba(31, 45, 43, .05);
    --hp-shadow-hover: 0 10px 26px rgba(31, 45, 43, .10);
}

/* ===================== 顶部导航卡片 ===================== */
#home_first {
    background: #fff;
    border-radius: var(--hp-radius) !important;
    box-shadow: var(--hp-shadow) !important;
    overflow: hidden;
}

#cats_btn {
    padding: 20px 22px 12px;
    background: #fff;
}

#cats_btn hr {
    margin: 14px 0;
    border: 0;
    border-top: 1px dashed #e3ebe9;
    opacity: 1;
}

/* 分类按钮（通用，一级 + 二级都走这里）——方形 */
#cats_btn .list_btn_nav {
    display: inline-block;
    margin: 0 6px 8px 0;
    padding: .38rem 1rem;
    font-size: .92rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: 6px !important;   /* 方形（原 999px 椭圆） */
    transition: all .24s ease;
}

#cats_btn .btn-blank {
    background: #f5f8f7;
    color: #4a5a56;
    border-color: var(--hp-line);
}

#cats_btn .btn-blank:hover {
    background: #fff;
    color: var(--hp-primary);
    border-color: rgba(44, 122, 123, .35);
    box-shadow: 0 4px 12px rgba(44, 122, 123, .12);
    transform: translateY(-1px);
}

#cats_btn .btn-success {
    background: var(--hp-primary);
    border-color: var(--hp-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(44, 122, 123, .28);
}

#cats_btn .btn-success:hover {
    background: var(--hp-primary-2);
    border-color: var(--hp-primary-2);
    transform: translateY(-1px);
}

#cats_btn .text-muted {
    color: #b3bfbc !important;
}

/* ===================== 一级分类：字体增大（形状已随上方通用规则变方形） ===================== */
#cats_btn .parent_cats .list_btn_nav {
    font-size: 1.1rem;               /* 字体增大（原 .92rem） */
    font-weight: 600;
    padding: .5rem 1.15rem;
    border-radius: 6px !important;   /* 方形，保持与通用一致 */
    letter-spacing: .3px;
}

#cats_btn .parent_cats .btn-blank:hover {
    box-shadow: 0 4px 12px rgba(44, 122, 123, .12);
}

#cats_btn .parent_cats .btn-success,
#cats_btn .parent_cats .btn-success:hover {
    box-shadow: 0 4px 14px rgba(44, 122, 123, .28);
}

/* ===================== 站点列表：仿「你可能喜欢」卡片布局 ===================== */
#home_page .item_tui {
    margin-bottom: 0;
}

#home_page .item_tui .sd-news-item {
    border: 1px solid var(--hp-line);
    background: #fff;
    border-radius: var(--hp-radius);
    box-shadow: var(--hp-shadow);
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease;
}

#home_page .item_tui .sd-news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--hp-shadow-hover);
}

#home_page .item_tui .sd-news-item .card-body {
    padding: 1rem 1.1rem;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

/* 有图标时：左侧留白 + 背景图标（图标缩小，左侧留白同步收紧） */
#home_page .item_tui .sd-news-item .card-body.item_img {
    padding-left: 62px !important;            /* 覆盖模板内联的 88px */
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 40px 40px;               /* 原 60px 60px */
    transition: background-color .25s ease;
}

#home_page .item_tui .sd-news-item:hover .card-body.item_img {
    background-color: #f5faf9;
}

/* 标题：单行显示，超出隐藏 */
#home_page .item_tui .sd-news-item .card-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

#home_page .item_tui .sd-news-item .card-title a {
    display: block;
    color: var(--hp-text);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    transition: color .2s ease;
}

#home_page .item_tui .sd-news-item:hover .card-title a {
    color: var(--hp-primary);
}

/* 网址：单行显示，超出隐藏 */
#home_page .item_tui .sd-news-item .card-url {
    font-size: .78rem;
    line-height: 1.6;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

#home_page .item_tui .sd-news-item .card-url small {
    display: block;
    color: var(--hp-primary) !important;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* 简介：单行显示，超出隐藏 */
#home_page .item_tui .sd-news-item .card-intro {
    font-size: .78rem;
    line-height: 1.6;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

#home_page .item_tui .sd-news-item .card-intro small {
    display: block;
    color: var(--hp-muted) !important;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* ===================== 分页美化 ===================== */
#home_page .pagination {
    margin-top: 20px;
    gap: 4px;
}

#home_page .pagination .page-link {
    border: 1px solid var(--hp-line);
    border-radius: var(--hp-radius-sm) !important;
    color: #4a5a56;
    padding: .4rem .78rem;
    font-size: .85rem;
    background: #fff;
    transition: all .22s ease;
}

#home_page .pagination .page-link:hover {
    background: var(--hp-primary-soft);
    color: var(--hp-primary);
    border-color: rgba(44, 122, 123, .3);
}

#home_page .pagination .active .page-link {
    background: var(--hp-primary);
    border-color: var(--hp-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(44, 122, 123, .28);
}

#home_page .pagination .disabled .page-link {
    color: #b3bfbc;
    background: #fafbfa;
    border-color: var(--hp-line);
}

/* ===================== 侧边栏统一风格 ===================== */
#home_page .col-3 .card,
#home_page .col-3 .card-body {
    border: 0;
}

#home_page .col-3 .card {
    border-radius: var(--hp-radius);
    box-shadow: var(--hp-shadow);
    overflow: hidden;
    background: #fff;
}

#home_page .col-3 .card-header {
    background: #fff;
    border-bottom: 1px solid var(--hp-line);
    font-weight: 600;
    color: #2c3b39;
    border-radius: var(--hp-radius) var(--hp-radius) 0 0 !important;
}

#home_page .col-3 .card-header i {
    opacity: .7;
}

#home_page .col-3 .list-group-item {
    border-color: var(--hp-line);
    background: transparent;
    color: #4a5a56;
    transition: background .22s ease, color .22s ease;
}

#home_page .col-3 .list-group-item:hover {
    background: #f5faf9;
    color: var(--hp-primary);
}

#home_page .col-3 a {
    color: #4a5a56;
    transition: color .2s ease;
}

#home_page .col-3 a:hover {
    color: var(--hp-primary);
    text-decoration: none;
}

/* ===================== 响应式微调 ===================== */
@media (max-width: 767.98px) {
    #cats_btn {
        padding: 16px 14px 8px;
    }

    #home_first {
        border-radius: 10px !important;
    }

    #cats_btn .list_btn_nav {
        font-size: .86rem;
        padding: .34rem .85rem;
        margin: 0 4px 7px 0;
        border-radius: 6px !important;   /* 移动端也保持方形 */
    }

    /* 一级分类移动端：字体略缩但仍比二级大，保持方形 */
    #cats_btn .parent_cats .list_btn_nav {
        font-size: 1rem;
        padding: .44rem .95rem;
        margin: 0 5px 8px 0;
        border-radius: 6px !important;
    }

    /* 站点卡片小屏微调 */
    #home_page .item_tui .sd-news-item .card-body {
        padding: .85rem .95rem;
        min-height: 88px;
    }

    /* 图标：小屏再缩一档，左侧留白同步收紧 */
    #home_page .item_tui .sd-news-item .card-body.item_img {
        padding-left: 54px !important;        /* 覆盖模板内联的 88px */
        background-position: 9px center;
        background-size: 34px 34px;           /* 原 50px 50px */
    }

    #home_page .item_tui .sd-news-item .card-title a {
        font-size: .9rem;
    }

    #home_page .item_tui .sd-news-item .card-url small,
    #home_page .item_tui .sd-news-item .card-intro small {
        font-size: .74rem;
    }
}