/* 移动端布局优化（≤768px / 页脚 ≤991px） */

/* 桌面端：隐藏移动端抽屉，不影响顶部导航 */
@media (min-width: 769px) {
    #mobileNavDrawer,
    .mobile-nav-drawer,
    .mobile-nav-backdrop {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    body.mobile-nav-open {
        overflow: auto !important;
    }
}

@media (max-width: 768px) {
    .site-header {
        position: static !important;
    }

    body {
        padding-top: 0 !important;
    }

    .top-bar {
        padding: 6px 0;
    }

    .top-bar-content {
        flex-direction: column;
        align-items: center;
        gap: 6px;
        padding: 0 12px;
        font-size: 11px;
        line-height: 1.45;
    }

    .top-bar-content > div:last-child {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px 14px;
    }

    .top-bar a {
        margin: 0;
        white-space: nowrap;
    }

    .nav-container {
        height: auto;
        min-height: 52px;
        padding: 8px 12px;
        gap: 6px;
    }

    .logo {
        flex-shrink: 1;
        min-width: 0;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
        flex-shrink: 0;
    }

    .logo-text .brand {
        font-size: 17px;
    }

    .logo-text .slogan {
        font-size: 9px;
        letter-spacing: 1px;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: auto;
        flex-shrink: 0;
    }

    .nav-actions .btn {
        padding: 7px 11px !important;
        font-size: 12px !important;
        white-space: nowrap;
        line-height: 1.2;
        flex-shrink: 0;
    }

    .mobile-toggle {
        flex-shrink: 0;
        margin-left: 2px;
        position: relative;
        z-index: 11003;
    }

    .navbar,
    .site-header {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        overflow: visible !important;
    }

    /* ========== 汉堡菜单：右侧抽屉 + 手风琴子菜单 ========== */
    .mobile-nav-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(10, 20, 40, 0.5);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        z-index: 99998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    body.mobile-nav-open .mobile-nav-backdrop {
        display: block;
        opacity: 1;
    }

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

    body.mobile-nav-open .chat-widget-btn,
    body.mobile-nav-open .cursor-glow,
    body.mobile-nav-open .cursor-glow-trail,
    body.mobile-nav-open .back-to-top {
        display: none !important;
    }

    /* 头部保留原导航占位，仅隐藏横向菜单（由独立抽屉承担） */
    .nav-container > #navMenu.nav-menu {
        display: none !important;
    }

    #mobileNavDrawer.mobile-nav-drawer {
        display: none !important;
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
        bottom: 0 !important;
        width: min(340px, 92vw) !important;
        height: 100dvh !important;
        margin: 0 !important;
        padding: 0 0 env(safe-area-inset-bottom, 0px) !important;
        background: #f0f4f8 !important;
        z-index: 99999 !important;
        overflow: hidden !important;
        flex-direction: column !important;
        list-style: none !important;
        box-shadow: -16px 0 48px rgba(10, 25, 50, 0.22) !important;
        transform: translateX(105%);
        transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
        isolation: isolate;
    }

    #mobileNavDrawer.mobile-nav-drawer.active {
        display: flex !important;
        transform: translateX(0);
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    #mobileNavDrawer .mobile-nav-panel-header,
    #mobileNavDrawer .mobile-nav-panel-footer {
        list-style: none;
        flex-shrink: 0;
    }

    .mobile-nav-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 16px 18px;
        background: linear-gradient(135deg, #3d7fd4 0%, #2a5fa8 55%, #1e4a82 100%);
        position: sticky;
        top: 0;
        z-index: 5;
        box-shadow: 0 4px 20px rgba(30, 74, 130, 0.25);
    }

    .mobile-nav-panel-brand {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .mobile-nav-logo {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.35);
        color: #fff;
        font-size: 15px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: -0.5px;
        flex-shrink: 0;
    }

    .mobile-nav-panel-text {
        display: flex;
        flex-direction: column;
        gap: 3px;
    }

    .mobile-nav-panel-title {
        font-size: 18px;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
    }

    .mobile-nav-panel-sub {
        font-size: 10px;
        color: rgba(255, 255, 255, 0.78);
        letter-spacing: 1.5px;
        text-transform: uppercase;
    }

    .mobile-nav-close-btn {
        width: 36px;
        height: 36px;
        border: none;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.18);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    #mobileNavDrawer .nav-item {
        width: 100%;
        height: auto !important;
        border: none !important;
        padding: 0 14px;
        margin: 0 0 8px;
        background: transparent;
    }

    #mobileNavDrawer .nav-item.has-submenu {
        margin-bottom: 4px;
    }

    /* 无子菜单项 */
    #mobileNavDrawer .nav-item:not(.has-submenu) .nav-link {
        display: flex;
        align-items: center;
        padding: 14px 16px !important;
        min-height: 50px;
        font-size: 15px !important;
        font-weight: 600;
        color: #2d3748 !important;
        -webkit-text-fill-color: #2d3748 !important;
        background: #fff !important;
        border-radius: 14px;
        border: none !important;
        text-decoration: none;
        box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
    }

    #mobileNavDrawer .nav-item:not(.has-submenu) .nav-link.active {
        color: #2b6cb0 !important;
        -webkit-text-fill-color: #2b6cb0 !important;
        box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.35);
    }

    /* 有子菜单：标题行 */
    #mobileNavDrawer .nav-row {
        display: flex;
        align-items: center;
        width: 100%;
        min-height: 50px;
        padding: 6px 6px 6px 16px;
        background: #fff;
        border-radius: 14px;
        box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
    }

    #mobileNavDrawer .nav-item.submenu-open .nav-row {
        border-radius: 14px 14px 0 0;
        box-shadow: none;
        background: #fff;
    }

    #mobileNavDrawer .nav-row .nav-link {
        flex: 1;
        padding: 8px 0 !important;
        font-size: 15px !important;
        font-weight: 600;
        color: #2d3748 !important;
        -webkit-text-fill-color: #2d3748 !important;
        background: transparent !important;
        border: none !important;
        text-decoration: none;
    }

    #mobileNavDrawer .nav-item.submenu-open .nav-row .nav-link {
        color: #2b6cb0 !important;
        -webkit-text-fill-color: #2b6cb0 !important;
    }

    #mobileNavDrawer .nav-submenu-toggle {
        width: 38px;
        height: 38px;
        border: none;
        border-radius: 50%;
        background: #edf2f7;
        color: #4a90d9;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: transform 0.25s ease, background 0.2s ease;
    }

    #mobileNavDrawer .nav-item.submenu-open .nav-submenu-toggle {
        transform: rotate(180deg);
        background: #4a90d9;
        color: #fff;
    }

    /* 子菜单：默认隐藏，展开时显示（不用 max-height，避免 hover 冲突） */
    #mobileNavDrawer .nav-item > .dropdown,
    #mobileNavDrawer .nav-item .dropdown {
        display: none !important;
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        width: 100% !important;
        min-width: 0 !important;
        max-height: none !important;
        height: auto !important;
        overflow: visible !important;
        margin: 0 0 8px !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: transparent !important;
        pointer-events: auto !important;
    }

    #mobileNavDrawer .nav-item > .dropdown::before,
    #mobileNavDrawer .nav-item .dropdown::before {
        display: none !important;
    }

    #mobileNavDrawer .nav-item.submenu-open > .dropdown {
        display: block !important;
    }

    /* 桌面 hover 在移动端一律无效 */
    #mobileNavDrawer .nav-item:hover > .dropdown,
    #mobileNavDrawer .nav-item:hover .dropdown {
        display: none !important;
    }

    #mobileNavDrawer .nav-item.submenu-open:hover > .dropdown,
    #mobileNavDrawer .nav-item.submenu-open:hover .dropdown {
        display: block !important;
    }

    #mobileNavDrawer .mobile-submenu-panel {
        background: #fff;
        border-radius: 0 0 14px 14px;
        padding: 6px 8px 10px;
        box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
        border-top: 2px solid #e8f2fc;
    }

    #mobileNavDrawer .mobile-submenu-link {
        display: flex !important;
        align-items: center;
        gap: 10px;
        padding: 11px 12px !important;
        margin: 0;
        border-radius: 10px;
        font-size: 14px !important;
        font-weight: 500;
        color: #4a5568 !important;
        text-decoration: none !important;
        background: transparent;
        -webkit-text-fill-color: #4a5568 !important;
        position: relative;
        overflow: visible !important;
    }

    #mobileNavDrawer .mobile-submenu-link::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #4a90d9;
        flex-shrink: 0;
        opacity: 0.55;
    }

    #mobileNavDrawer .mobile-submenu-link:active,
    #mobileNavDrawer .mobile-submenu-link:hover {
        background: #eef4fc !important;
        color: #2b6cb0 !important;
        -webkit-text-fill-color: #2b6cb0 !important;
    }

    #mobileNavDrawer .dropdown-item,
    #mobileNavDrawer .dropdown-divider {
        display: none !important;
    }

    .mobile-nav-panel-footer {
        margin-top: auto;
        padding: 14px 14px calc(18px + env(safe-area-inset-bottom, 0px));
        background: #fff;
        border-top: 1px solid #e2e8f0;
        display: flex;
        flex-direction: column;
        gap: 10px;
        position: sticky;
        bottom: 0;
        z-index: 5;
        box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
    }

    .mobile-nav-cta {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        min-height: 46px;
        border-radius: 14px;
        font-size: 14px;
        font-weight: 700;
        text-decoration: none;
        border: none;
        cursor: pointer;
    }

    .mobile-nav-cta-phone {
        background: #f7fafc;
        color: #2b6cb0;
        border: 1px solid #bee3f8;
    }

    .mobile-nav-cta-chat {
        background: linear-gradient(135deg, #4a90d9, #ffb830);
        color: #fff;
        box-shadow: 0 6px 18px rgba(74, 144, 217, 0.35);
    }

    /* 菜单列表区留白 */
    #mobileNavDrawer .mobile-nav-panel-header ~ .nav-item:first-of-type {
        margin-top: 14px;
    }

    .hero-visual,
    .floating-card,
    .hero-shapes {
        display: none !important;
    }

    /* ========== 页脚：紧凑卡片式布局 ========== */
    .footer {
        padding: 28px 0 0 !important;
    }

    .footer-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 20px !important;
        width: 100% !important;
        padding: 0 16px !important;
    }

    .footer-brand {
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        text-align: center;
    }

    .footer-brand .logo-text {
        justify-content: center;
    }

    .footer-brand .logo-text .brand {
        font-size: 20px !important;
    }

    .footer-brand .logo-text .slogan {
        font-size: 10px !important;
        letter-spacing: 2px;
    }

    /* 手机端隐藏长文案，减少纵向占用 */
    .footer-brand > p {
        display: none !important;
    }

    .footer-qr {
        display: flex !important;
        flex-direction: row !important;
        justify-content: center !important;
        align-items: flex-start !important;
        gap: 20px !important;
        margin-top: 14px !important;
        padding: 14px 12px !important;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
    }

    .footer-qr-item {
        flex: 1;
        max-width: 108px;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 6px !important;
        text-align: center;
    }

    .footer-qr-item img {
        width: 64px !important;
        height: 64px !important;
        margin: 0 auto;
        border-radius: 8px;
    }

    .footer-qr-item span {
        margin-top: 0 !important;
        font-size: 12px !important;
        color: rgba(255, 255, 255, 0.8) !important;
        line-height: 1.3;
    }

    /* 服务链接区：统一一块，两列网格 */
    .footer-nav-columns {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 16px 14px !important;
        width: 100% !important;
        padding: 16px 14px !important;
        background: rgba(255, 255, 255, 0.04);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-nav-columns::before {
        content: '服务导航';
        grid-column: 1 / -1;
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.5px;
        margin-bottom: 2px;
        padding-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-nav-columns > div,
    .footer-grid > div:not(.footer-brand):not(.footer-nav-columns) {
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
    }

    /* 第三组链接占满一行 */
    .footer-nav-columns > div:nth-child(3) {
        grid-column: 1 / -1;
    }

    .footer h4 {
        font-size: 13px !important;
        font-weight: 700 !important;
        margin-bottom: 8px !important;
        color: rgba(255, 255, 255, 0.95) !important;
    }

    .footer-links {
        width: 100%;
        margin: 0;
        padding: 0;
    }

    .footer-links li {
        margin-bottom: 6px;
    }

    .footer-links li:last-child {
        margin-bottom: 0;
    }

    .footer-links a {
        display: block;
        padding: 0;
        font-size: 12px !important;
        line-height: 1.45;
        color: rgba(255, 255, 255, 0.58) !important;
    }

    .footer-links a:hover {
        color: var(--accent-light, #68d391) !important;
        padding-left: 0 !important;
    }

    .footer-bottom {
        margin-top: 20px !important;
        padding: 16px !important;
    }

    .footer-bottom p {
        font-size: 11px !important;
        line-height: 1.5;
        opacity: 0.65;
    }

    .chat-widget-btn {
        right: 16px;
        bottom: 88px;
    }

    .back-to-top {
        right: 16px;
        bottom: 24px;
    }
}

/* ========== 桌面 / 平板页脚：恢复四列横排 ========== */
@media (min-width: 769px) {
    .footer {
        padding: 60px 0 0 !important;
    }

    .footer-grid {
        display: grid !important;
        grid-template-columns: minmax(260px, 2.2fr) repeat(3, minmax(0, 1fr)) !important;
        gap: 32px 40px !important;
        max-width: 1400px !important;
        margin: 0 auto !important;
        padding: 0 20px !important;
        width: 100% !important;
        align-items: start !important;
    }

    /* 包装层“透明化”，三列链接直接参与外层 grid */
    .footer-nav-columns {
        display: contents !important;
        padding: 0 !important;
        margin: 0 !important;
        background: none !important;
        border: none !important;
    }

    .footer-nav-columns::before {
        display: none !important;
        content: none !important;
    }

    .footer-nav-columns > div {
        width: auto !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
    }

    .footer-nav-columns > div:nth-child(3) {
        grid-column: auto !important;
    }

    .footer-brand {
        text-align: left !important;
    }

    .footer-brand .logo-text {
        justify-content: flex-start !important;
    }

    .footer-brand > p {
        display: block !important;
        margin-top: 15px;
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.6);
    }

    .footer-qr {
        flex-direction: row !important;
        justify-content: flex-start !important;
        align-items: flex-start !important;
        gap: 16px !important;
        margin-top: 20px !important;
        padding: 0 !important;
        background: transparent !important;
        border-radius: 0 !important;
    }

    .footer-qr-item {
        flex: 0 0 auto !important;
        max-width: none !important;
        text-align: center;
    }

    .footer-qr-item img {
        width: 88px !important;
        height: 88px !important;
    }

    .footer-qr-item span {
        font-size: 12px !important;
        margin-top: 8px !important;
    }

    .footer h4 {
        font-size: 16px !important;
        font-weight: 700 !important;
        margin-bottom: 18px !important;
        color: #fff !important;
    }

    .footer-links li {
        margin-bottom: 10px !important;
    }

    .footer-links a {
        font-size: 14px !important;
        color: rgba(255, 255, 255, 0.6) !important;
        padding: 0 !important;
    }

    .footer-links a:hover {
        color: #68d391 !important;
        padding-left: 5px !important;
    }

    .footer-bottom {
        margin-top: 40px !important;
        padding: 20px !important;
    }

    .footer-bottom p {
        font-size: 13px !important;
        opacity: 1 !important;
    }
}

@media (min-width: 769px) and (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 28px 32px !important;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-nav-columns {
        display: grid !important;
        grid-column: 1 / -1;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 24px !important;
    }
}