/* 公共导航：顶部公告、导航变体、登录入口和响应式折叠。 */

.site-header .navbar-expand-lg {
    flex-flow: row;
    justify-content: flex-start;
}

.site-header .navbar {
    padding: 1rem;
}

.site-header .navbar-dark .navbar-nav .nav-link:hover,
.site-header .navbar-dark .navbar-nav .nav-link:focus {
    color: rgb(255, 63, 63);
    font-weight: 600;
}

.site-header--compact .homeHeader-hide > .site-header-links .nav-link {
    color: rgb(255, 255, 255);
}

.site-header--compact .navbar {
    background: rgb(255, 255, 255);
    padding: 0rem 1rem;
}

.site-header--compact .navbar-right .nav-link-right {
    border-right: 1px solid rgb(153, 156, 158);
}

.site-header--compact .site-header-links .nav-link {
    color: inherit;
    font-weight: 400;
    font-size: 14px;
}

.site-header--compact .search-group .input-group .form-control {
    border-top-left-radius: 25px;
    border-bottom-left-radius: 25px;
    border-color: rgb(237, 85, 101);
}

.site-header--compact .search-group .input-group .input-group-append .btn-danger {
    border-top-right-radius: 25px;
    border-bottom-right-radius: 25px;
}

.site-header .beat-char {
    position: relative;
    display: inline-block;
    background: transparent;
    color: rgb(255, 255, 255);
    font-weight: 600;
}

.site-header .rotate {
    transform: rotate(360deg);
    transition-duration: 0.7s;
}

.site-header--compact .site-header-inner {
    padding: 0 10px;
    height: 50px;
}

.site-announcement {
    position: inherit;
    top: 0;
    width: 100%;
}

.site-header--overlay {
    position: absolute;
    background: rgba(43,43,52,.6);
}

.site-header-menu {
    margin-left: -20px;
}

.site-header-login {
    background-color: #2846a7;
    border-color: #2846a7;
}

@media (min-width: 1200px) {
    .site-header .site-header-menu .nav-link {
        white-space: nowrap;
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .site-header .site-header-menu > span {
        flex-shrink: 0;
        white-space: nowrap;
    }
}

@media (max-width: 1199.98px) {
    .site-header--overlay {
        position: relative;
    }

    .site-header .navbar-expand-lg {
        flex-wrap: wrap;
        background: var(--site-text);
        padding: 12px 16px;
    }

    .site-header .navbar-brand {
        margin: 0px;
        font-weight: 700;
        letter-spacing: 1px;
    }

    .site-header .navbar-brand img {
        display: none;
    }

    .site-header .navbar-brand::after {
        content: "31CQ - 会员站";
    }

    .site-header .navbar-expand-lg .navbar-toggler {
        display: block;
        margin-left: auto;
        padding: 6px 10px;
    }

    .site-header .site-header-menu .navbar-nav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0px, 1fr));
        gap: 4px;
        margin: 12px 0px !important;
    }

    .site-header .site-header-menu .nav-link {
        padding: 10px 4px;
        text-align: center;
        font-size: 14px;
        white-space: nowrap;
    }

    .site-header .site-header-menu > span {
        display: block;
        padding-bottom: 4px;
    }

    .site-header .site-header-menu > span .btn {
        display: block;
        width: 100%;
    }

    .site-header .site-header-menu.navbar-collapse {
        flex-basis: 100%;
        width: 100%;
        margin-left: 0px;
    }

    .site-header .site-header-menu.collapse:not(.show) {
        display: none !important;
    }

    .site-header .site-header-menu.collapsing,
    .site-header .site-header-menu.collapse.show {
        display: block !important;
    }
}

.site-header--compact .navbar {
    min-height: 56px;
    padding: 8px 16px;
}

.site-header--compact .site-header-brand {
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.site-header--compact .navbar-brand::after {
    content: none;
}

.site-header--compact .site-header-menu {
    margin-left: 12px;
}

.site-header--compact .navbar-nav .nav-link {
    color: #333;
}

@media (max-width: 1199.98px) {
    .site-header--compact .navbar {
        background: var(--site-text);
        padding: 12px 16px;
    }

    .site-header--compact .site-header-brand {
        color: #fff;
    }

    .site-header--compact .navbar-nav .nav-link {
        color: #fff;
    }
}

/* 紧凑导航整行铺满背景，内部内容仍按容器居中。 */

.site-header--compact {
    background: #fff;
    border-bottom: 1px solid #e8eaee;
}

/* 白底导航的品牌链接不能沿用 navbar-dark 的白色悬停文字。 */

.site-header--compact .site-header-brand:hover,
.site-header--compact .site-header-brand:focus {
    color: #333;
}

.site-header--compact .navbar-dark .navbar-nav .nav-link:hover,
.site-header--compact .navbar-dark .navbar-nav .nav-link:focus {
    color: var(--site-accent);
    font-weight: 400;
}

@media (max-width: 1199.98px) {
    .site-header--compact .site-header-brand:hover,
    .site-header--compact .site-header-brand:focus {
        color: #fff;
    }

    .site-header--compact .navbar-dark .navbar-nav .nav-link:hover,
    .site-header--compact .navbar-dark .navbar-nav .nav-link:focus {
        color: #ffe1a0;
    }
}