/* =============================================================================
 * 新疆信达宏义技术服务有限公司 · 全站头尾样式
 * -----------------------------------------------------------------------------
 * 只作用于 .xd-* 组件（页头 / 页脚 / 通用容器），不写全局 body、不覆盖 .sj-* 选择器，
 * 内页（文章列表、详情、单页）沿用 sjfc.css 原有排版，互不干扰。
 * 配色：深蓝 #0A2E5C ↔ 主蓝 #0E4DA4 ↔ 品牌绿 #17A673
 * ========================================================================== */

:root {
    --xd-navy: #0A2E5C;
    --xd-blue: #0E4DA4;
    --xd-blue-l: #1E63BD;
    --xd-green: #17A673;
    --xd-green-d: #0E8A5F;
    --xd-ink: #1F2D3D;
    --xd-gray: #6B7A8D;
    --xd-bg: #F5F8FB;
    --xd-line: #E3EAF2;
}

/* ── 通用容器 ── */
.xd-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── 顶部工具条 ── */
.xd-topbar {
    background: var(--xd-navy);
    color: #C9D6E8;
    font-size: 13px;
}

.xd-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 38px;
    gap: 16px;
}

.xd-topbar a {
    color: inherit;
}

.xd-topbar a:hover {
    color: #fff;
}

.xd-topbar b {
    font-weight: 600;
}

.xd-topbar__addr {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.xd-ic-tel,
.xd-ic-loc {
    display: inline-block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background: currentColor;
    opacity: .85;
    vertical-align: -2px;
    margin-right: 4px;
}

.xd-ic-tel {
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpath d='M5 4h4l2 5-2.5 1.5a11 11 0 0 0 5 5L15 13l5 2v4a2 2 0 0 1-2 2A16 16 0 0 1 3 6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpath d='M5 4h4l2 5-2.5 1.5a11 11 0 0 0 5 5L15 13l5 2v4a2 2 0 0 1-2 2A16 16 0 0 1 3 6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.xd-ic-loc {
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpath d='M12 21s7-5.1 7-11a7 7 0 1 0-14 0c0 5.9 7 11 7 11z'/%3E%3Ccircle cx='12' cy='10' r='2.5'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpath d='M12 21s7-5.1 7-11a7 7 0 1 0-14 0c0 5.9 7 11 7 11z'/%3E%3Ccircle cx='12' cy='10' r='2.5'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ── 页头 ── */
.xd-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: #fff;
    box-shadow: 0 2px 12px rgba(10, 46, 92, .08);
}

.xd-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: 80px;
}

/* logo：桌面端 55px。
   ——容器可收缩（min-width:0），窄屏先让位给导航，避免菜单被挤换行 */
.xd-header__logo {
    display: flex;
    align-items: center;
    flex: 0 1 auto;
    min-width: 0;
    max-width: 435px;
}

.xd-header__logo img {
    display: block;
    height: 55px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.xd-nav {
    flex: 1 1 auto;
    min-width: 0;
}

.xd-nav__list {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.xd-nav__item {
    position: relative;
}

.xd-nav__item > a {
    display: block;
    padding: 10px 12px;
    font-size: 15.5px;
    color: var(--xd-ink);
    border-radius: 6px;
    white-space: nowrap;
    transition: .25s;
}

.xd-nav__item > a:hover {
    color: var(--xd-blue);
    background: #F0F6FE;
}

/* 带二级菜单的父项：悬停高亮 + 右侧箭头翻转 */
.xd-nav__item.has-sub > a::after {
    content: "";
    display: inline-block;
    width: 4px;
    height: 4px;
    margin-left: 7px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform .25s;
}

.xd-nav__item.has-sub:hover > a,
.xd-nav__item.has-sub:focus-within > a {
    color: var(--xd-blue);
    background: #F0F6FE;
}

.xd-nav__item.has-sub:hover > a::after,
.xd-nav__item.has-sub:focus-within > a::after {
    transform: translateY(0) rotate(225deg);
}

.xd-nav__item.is-cur > a {
    color: #fff;
    background: var(--xd-blue);
}

/* 悬停桥接：补上父项与浮层之间的间隙，鼠标下移时不会闪断 */
.xd-nav__item.has-sub::after {
    content: "";
    position: absolute;
    top: 100%;
    left: -8px;
    right: -8px;
    height: 10px;
}

/* 二级菜单：圆角卡片 + 顶部品牌渐变条 + 逐项左移入的指示点 */
.xd-nav__sub {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    min-width: 208px;
    padding: 13px 10px 10px;
    background: #fff;
    border: 0;
    border-radius: 14px;
    box-shadow: 0 24px 48px -18px rgba(10, 46, 92, .34), 0 2px 10px rgba(10, 46, 92, .06);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s, transform .28s cubic-bezier(.22, .61, .36, 1), visibility .2s;
}

.xd-nav__sub::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--xd-blue), var(--xd-green));
}

.xd-nav__item.has-sub:hover .xd-nav__sub,
.xd-nav__item.has-sub:focus-within .xd-nav__sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.xd-nav__sub a {
    position: relative;
    display: block;
    padding: 10px 16px;
    font-size: 14.5px;
    color: #35455B;
    border-radius: 9px;
    white-space: nowrap;
    transition: color .2s, background .2s, padding .2s;
}

.xd-nav__sub a::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 50%;
    width: 4px;
    height: 4px;
    margin-top: -2px;
    border-radius: 50%;
    background: var(--xd-blue);
    opacity: 0;
    transform: scale(.3);
    transition: .2s;
}

.xd-nav__sub a:hover,
.xd-nav__sub a:focus-visible {
    color: var(--xd-blue);
    background: #F1F7FE;
    padding-left: 25px;
}

.xd-nav__sub a:hover::before,
.xd-nav__sub a:focus-visible::before {
    opacity: 1;
    transform: scale(1);
}

.xd-header__cta {
    flex-shrink: 0;
    padding: 10px 22px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--xd-green);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(23, 166, 115, .3);
    transition: .25s;
}

.xd-header__cta:hover {
    background: var(--xd-green-d);
}

.xd-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: 0;
    cursor: pointer;
}

.xd-burger i {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--xd-navy);
    border-radius: 2px;
}

/* ── 移动端抽屉 ── */
.xd-mnav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 16px 30px rgba(10, 46, 92, .12);
    max-height: calc(100vh - 76px);
    overflow-y: auto;
}

.xd-mnav__inner {
    padding: 12px 20px 20px;
}

.xd-mnav__group > .xd-mnav__top {
    display: block;
    padding: 12px 4px;
    font-size: 16px;
    color: var(--xd-ink);
    border-bottom: 1px solid var(--xd-line);
}

.xd-mnav__group.is-cur > .xd-mnav__top {
    color: var(--xd-blue);
    font-weight: 600;
}


.xd-mnav__tel {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 11px 22px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--xd-green);
    border-radius: 6px;
}

.xd-mnav__tel b,
.xd-mnav__tel span {
    color: #fff;
}

/* ── 页脚 ── */
.xd-footer {
    background: #08203F;
    color: #8CA6C6;
    font-size: 13.5px;
}

.xd-footer__main {
    padding: 44px 0 38px;
}

/* 三栏：logo+联系方式 ｜ 微信二维码 ｜ 快捷导航 */
.xd-footer__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) auto minmax(0, .68fr);
    gap: 42px 48px;
    align-items: start;
}

.xd-footer__brand {
    min-width: 0;
}

.xd-footer__logo {
    display: inline-block;
    margin-bottom: 22px;
}

.xd-footer__logo img {
    display: block;
    height: 40px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

/* 联系方式：地址 / 电话 / 手机 / 邮箱（logo 下方） */
.xd-footer__contact {
    max-width: 540px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.xd-footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 5px 0;
    line-height: 1.7;
}

.xd-footer__ico {
    flex: 0 0 16px;
    margin-top: 3px;
}

.xd-footer__ico svg {
    display: block;
    width: 16px;
    height: 16px;
    stroke: #4E7AAC;
    fill: none;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.xd-footer__contact a {
    color: inherit;
    transition: .2s;
}

.xd-footer__contact a:hover {
    color: #7FE0B6;
}

.xd-footer__contact em {
    font-style: normal;
    color: #5F7EA3;
}

/* 微信二维码 */
.xd-footer__qr {
    text-align: center;
}

.xd-footer__qr-box {
    display: block;
    padding: 8px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 26px -14px rgba(0, 0, 0, .6);
}

.xd-footer__qr-box img {
    display: block;
    width: 132px;
    height: 132px;
    border-radius: 4px;
}

.xd-footer__qr-tip {
    display: block;
    margin-top: 10px;
    font-size: 12.5px;
    color: #7E97B8;
}

.xd-footer__col h5 {
    margin: 0 0 18px;
    font-size: 15px;
    color: #fff;
}

.xd-footer__col ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.xd-footer__col a {
    display: block;
    padding: 5px 0;
    color: inherit;
    transition: .2s;
}

.xd-footer__col a:hover {
    color: #7FE0B6;
}

.xd-footer__bar {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0 22px;
    font-size: 12.5px;
    line-height: 1.9;
    color: #5F7EA3;
}

/* 版权区：技术服务说明 / 地址电话 / 版权·域名·备案 三行居中 */
.xd-footer__bar-inner {
    text-align: center;
}

.xd-footer__bar-inner p {
    margin: 0;
}

.xd-footer__svc {
    color: #7E97B8;
}

.xd-footer__bar i {
    margin: 0 10px;
    font-style: normal;
    color: rgba(255, 255, 255, .16);
}

.xd-footer__bar a {
    color: inherit;
}

.xd-footer__bar a:hover {
    color: #7FE0B6;
}

/* ── 响应式 ── */
/* 1200 以下：菜单收紧字号与内边距，把宽度让给放大的 logo */
@media (max-width: 1200px) {
    .xd-nav__item > a {
        padding: 10px 11px;
        font-size: 15px;
    }
}

@media (max-width: 900px) {
    .xd-topbar__addr {
        display: none;
    }

    .xd-burger {
        display: flex;
    }

    .xd-nav,
    .xd-header__cta {
        display: none;
    }

    .xd-header__inner {
        height: 68px;
    }

    /* 移动端菜单收起，logo 恢复固定高度（不再让位） */
    .xd-header__logo {
        flex: 0 1 auto;
        max-width: 100%;
    }

    .xd-header__logo img {
        height: 42px;
    }

    .xd-mnav {
        max-height: calc(100vh - 68px);
    }

    /* 页脚：品牌信息独占一行，二维码与快捷导航并排一行（二维码在左） */
    .xd-footer__grid {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 28px 26px;
    }

    .xd-footer__brand {
        flex: 1 1 100%;
    }

    .xd-footer__qr {
        flex: 0 0 auto;
        text-align: left;
    }

    /* 二维码未配置时这一列自动占满整行，不会留下空洞 */
    .xd-footer__col {
        flex: 1 1 auto;
        min-width: 0;
    }
}

@media (max-width: 600px) {
    .xd-wrap {
        padding: 0 18px;
    }

    .xd-header__logo img {
        height: 38px;
    }

    .xd-footer__main {
        padding: 34px 0 28px;
    }

    .xd-footer__col ul {
        grid-template-columns: 1fr 1fr;
    }

    /* 版权区：留出右下角悬浮客服球的高度，避免遮挡备案号 */
    .xd-footer__bar {
        font-size: 12px;
        padding-bottom: 92px;
    }

    /* 手机上分隔符会落在行首，改成每条独立成行更规整 */
    .xd-footer__bar i {
        display: none;
    }

    .xd-footer__bar p > span,
    .xd-footer__bar p > a {
        display: block;
    }
}