/* 移动端顶栏 / 抽屉菜单修正（覆盖 style-site.min.css） */
@media (max-width: 768px) {
    .header .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .header-content {
        flex-direction: row !important;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        min-height: 56px;
    }

    .header .logo {
        height: 48px;
        flex: 1 1 auto;
        min-width: 0;
    }

    .header .logo .site-logo {
        height: 36px;
        max-width: min(180px, 58vw);
    }

    .mobile-menu-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        width: 44px;
        height: 44px;
        padding: 0;
        margin: 0;
        border: 0;
        border-radius: 10px;
        background: transparent;
        color: var(--header-text, #1d1d1f);
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-menu-toggle:focus-visible {
        outline: 2px solid var(--accent, #0071e3);
        outline-offset: 2px;
    }

    .mobile-menu-toggle svg {
        display: block;
        width: 24px;
        height: 24px;
    }

    .header .nav {
        display: none !important;
    }
}

.mobile-menu {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: var(--mobile-header-offset, 64px);
    bottom: auto;
    max-height: calc(100vh - var(--mobile-header-offset, 64px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 1000;
    padding: 0.75rem 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--header-border, rgba(0, 0, 0, 0.08));
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.mobile-menu.is-open {
    display: block;
}

.mobile-menu > nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mobile-menu > nav > a,
.mobile-menu .mobile-login a {
    color: var(--text-primary, #1d1d1f) !important;
    text-decoration: none;
    padding: 0.85rem 0.75rem !important;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 500;
}

.mobile-menu > nav > a:active,
.mobile-menu .mobile-login a:active {
    background: rgba(0, 113, 227, 0.08);
}

.mobile-menu .mobile-login {
    display: flex;
    flex-direction: column;
    padding: 0.35rem 0.25rem 0.65rem !important;
    margin: 0.25rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-menu .mobile-login > p {
    margin: 0.5rem 0.75rem 0.35rem !important;
    color: var(--text-tertiary, #86868b) !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.mobile-menu .mobile-login > p.mobile-login__group {
    margin: 0.55rem 0.75rem 0.1rem !important;
    font-size: 0.78rem !important;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--text-primary, #1d1d1f) !important;
}

.mobile-menu .mobile-login a {
    display: block;
    width: 100%;
    box-sizing: border-box;
    font-size: 0.95rem;
    font-weight: 450;
    color: var(--text-secondary, #6e6e73) !important;
    padding: 0.55rem 0.75rem !important;
}

html[data-theme="dark"] .mobile-menu {
    background: rgba(28, 28, 30, 0.96);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .mobile-menu > nav > a,
html[data-theme="dark"] .mobile-menu .mobile-login a {
    color: #f5f5f7 !important;
}

html[data-theme="dark"] .mobile-menu .mobile-login a {
    color: rgba(245, 245, 247, 0.72) !important;
}

body.mobile-nav-open {
    overflow: hidden;
}

@media (min-width: 769px) {
    .mobile-menu,
    .mobile-menu-toggle {
        display: none !important;
    }
}