/* 整站小屏头部标准：固定 px 尺寸，避免 T7 对 rem 的兼容换算影响导航。 */
@media screen and (max-width: 992px) {
    .page-container .fixed-header {
        min-height: 4.375rem !important;
        background: #fff !important;
        box-shadow: 0 0.1875rem 0.6875rem rgba(7, 27, 57, .08) !important;
    }
    .page-container .fixed-header .header-container {
        width: 100% !important;
        min-height: 4.375rem !important;
        padding: 0.75rem 1rem !important;
        row-gap: 0.75rem !important;
    }
    .page-container .fixed-header .logo-area a { gap: 0.4375rem !important; }
    .page-container .fixed-header .header-container .logo-area .logo {
        width: 2.625rem !important;
        height: 2.625rem !important;
        flex: 0 0 2.625rem !important;
    }
    .page-container .fixed-header .header-container .logo-area .logo-text {
        color: #12316b !important;
        font-size: 1.25rem !important;
        line-height: 1.2 !important;
    }
    .page-container .menu-toggle {
        width: 2.75rem !important;
        height: 2.75rem !important;
        padding: 0.625rem !important;
        gap: 0.3125rem !important;
        display: inline-flex !important;
        border-radius: 0.625rem !important;
    }
    .page-container .menu-toggle span {
        width: 1.375rem !important;
        height: 0.125rem !important;
        flex: 0 0 0.125rem !important;
    }
    .page-container .header-panel {
        display: none !important;
        width: 100% !important;
        gap: 0.75rem !important;
        padding: 0.75rem 0 0.25rem !important;
        border-top: 1px solid rgba(148, 163, 184, .18) !important;
        background: #fff !important;
    }
    .page-container .header-panel.is-open { display: flex !important; }
    .page-container .fixed-header .header-container .nav,
    .page-container .fixed-header .header-container .nav .nav-links,
    .page-container .fixed-header .operation-btn { width: 100% !important; }
    .page-container .fixed-header .header-container .nav .nav-links {
        align-items: flex-start !important;
        flex-direction: column !important;
        gap: 0 !important;
    }
    .page-container .fixed-header .header-container .nav .nav-links a {
        width: 100% !important;
        min-height: 2.75rem !important;
        padding: 0.6875rem 0 !important;
        margin: 0 !important;
        color: #12316b !important;
        font-size: 0.9375rem !important;
        line-height: 1.375rem !important;
    }
    .page-container .fixed-header .operation-btn {
        gap: 0.625rem !important;
        font-size: 0.9375rem !important;
    }
    .page-container .fixed-header .operation-btn .register,
    .page-container .fixed-header .operation-btn .login {
        min-height: 2.625rem !important;
        margin-right: 0 !important;
        padding: 0.5625rem 1rem !important;
        border-width: 1px !important;
        border-radius: 0.4375rem !important;
        text-align: center !important;
    }
    .page-container .fixed-header .operation-btn .register a,
    .page-container .fixed-header .operation-btn .login a { display: block !important; }

    /* 新版首页的首屏仍使用 rem，单独保证不被固定头部遮挡。 */
    .cbl-home .cbl-hero { padding-top: 6.875rem !important; }
}

@media screen and (max-width: 620px) {
    .page-container .fixed-header .header-container { padding: 0.625rem 0.9375rem !important; }
    .page-container .fixed-header .header-container .logo-area .logo {
        width: 2.375rem !important;
        height: 2.375rem !important;
        flex-basis: 2.375rem !important;
    }
    .page-container .fixed-header .header-container .logo-area .logo-text { font-size: 1.125rem !important; }
    .page-container .menu-toggle {
        width: 2.625rem !important;
        height: 2.625rem !important;
    }
}