/* ============================================
   响应式样式
   ============================================ */

/* 桌面端隐藏移动端账户菜单 */
.nav-mobile-account {
    display: none !important;
}

/* 中等屏幕尺寸时调整导航菜单 - 与手机端一致 */
@media (max-width: 988px) {
    .main-header .container {
        padding: 0 16px;
        justify-content: space-between;
    }
    
    .logo {
        margin-right: 0;
        flex-shrink: 0;
    }
    
    .logo img {
        height: 28px;
    }
    
    /* 隐藏桌面导航菜单，使用汉堡菜单 */
    .main-nav {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 100%;
        max-width: 100%;
        height: calc(100vh - 64px);
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
        display: flex;
    }
    
    [data-theme="dark"] .main-nav {
        background-color: #1a1a1a;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    /* 移动端菜单展开时，header 使用默认背景颜色，不跟随 nav_color */
    .home .main-header:not(.scrolled).menu-open,
    .page-template-front-page .main-header:not(.scrolled).menu-open {
        background-color: #ffffff !important;
        border-bottom-color: rgba(0, 0, 0, 0.1);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    [data-theme="dark"] .home .main-header:not(.scrolled).menu-open,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled).menu-open {
        background-color: #1a1a1a !important;
    }
    
    /* 导航菜单展开时隐藏搜索按钮和主题切换 */
    .main-nav.active ~ .header-actions .header-search {
        display: none !important;
    }
    
    .main-nav.active ~ .header-actions .theme-toggle {
        display: none !important;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
        display: flex;
        flex: 1;
        min-height: 0;
    }
    
    .nav-list li {
        width: 100%;
        height: auto;
        margin: 0;
    }
    
    [data-theme="dark"] .nav-list li {
        border-bottom-color: #2a2a2a;
    }
    
    .nav-list li .nav-link {
        padding: 16px 0;
        width: 100%;
        height: auto;
        color: #1a1a1a;
    }
    
    /* 移动端导航链接不跟随 nav_color，覆盖桌面端规则 */
    .home .main-header:not(.scrolled) .nav-list li .nav-link,
    .page-template-front-page .main-header:not(.scrolled) .nav-list li .nav-link {
        color: #1a1a1a !important;
    }
    
    [data-theme="dark"] .nav-list li .nav-link {
        color: #ffffff;
    }
    
    /* 暗色主题下，移动端导航链接也不跟随 nav_color */
    [data-theme="dark"] .home .main-header:not(.scrolled) .nav-list li .nav-link,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled) .nav-list li .nav-link {
        color: #ffffff !important;
    }
    
    .nav-list li .nav-link::after {
        display: none;
    }
    
    /* 移动端导航链接下划线也不跟随 nav_color */
    .home .main-header:not(.scrolled) .nav-list li .nav-link::after,
    .page-template-front-page .main-header:not(.scrolled) .nav-list li .nav-link::after {
        background: transparent !important;
    }
    
    .nav-list li.active .nav-link {
        border-bottom: 2px solid var(--primary-color);
        padding-bottom: 14px;
        width: fit-content;
    }
    
    .hamburger {
        display: block;
        margin-left: 8px;
    }
    
    /* 移动端汉堡菜单跟随 nav_color */
    .home .main-header:not(.scrolled) .hamburger span,
    .page-template-front-page .main-header:not(.scrolled) .hamburger span {
        background-color: var(--hero-nav-color, #ffffff) !important;
    }
    
    /* 移动端菜单展开时，汉堡菜单图标不跟随 nav_color */
    .home .main-header:not(.scrolled).menu-open .hamburger span,
    .page-template-front-page .main-header:not(.scrolled).menu-open .hamburger span {
        background-color: #4a4a4a !important;
    }
    
    [data-theme="dark"] .home .main-header:not(.scrolled).menu-open .hamburger span,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled).menu-open .hamburger span {
        background-color: #b3b3b3 !important;
    }
    
    /* 确保header-actions在中等屏幕时也能正常显示 */
    .header-actions {
        flex-shrink: 0;
        margin-left: auto;
        gap: 8px;
    }
    
    /* 移动端主题切换和搜索按钮跟随 nav_color（桌面端规则已生效，这里确保移动端也生效） */
    .home .main-header:not(.scrolled) .header-actions button,
    .home .main-header:not(.scrolled) .header-actions a,
    .home .main-header:not(.scrolled) .header-actions i,
    .page-template-front-page .main-header:not(.scrolled) .header-actions button,
    .page-template-front-page .main-header:not(.scrolled) .header-actions a,
    .page-template-front-page .main-header:not(.scrolled) .header-actions i {
        color: var(--hero-nav-color, #ffffff) !important;
    }
    
    /* 移动端菜单展开时，搜索图标不跟随 nav_color */
    .home .main-header:not(.scrolled).menu-open .header-actions button,
    .home .main-header:not(.scrolled).menu-open .header-actions a,
    .home .main-header:not(.scrolled).menu-open .header-actions i,
    .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions button,
    .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions a,
    .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions i {
        color: #4a4a4a !important;
    }
    
    [data-theme="dark"] .home .main-header:not(.scrolled).menu-open .header-actions button,
    [data-theme="dark"] .home .main-header:not(.scrolled).menu-open .header-actions a,
    [data-theme="dark"] .home .main-header:not(.scrolled).menu-open .header-actions i,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions button,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions a,
    [data-theme="dark"] .page-template-front-page .main-header:not(.scrolled).menu-open .header-actions i {
        color: #b3b3b3 !important;
    }
    
    /* 确保container不会溢出 */
    .main-header .container {
        overflow: visible;
    }
    
    /* 移动端登录/账户菜单 - OPPO Style */
    .nav-mobile-account {
        margin-top: auto;
        padding-top: 24px;
        border-bottom: none;
    }
    
    [data-theme="dark"] .nav-mobile-account {
        border-top-color: #333333;
    }
    
    .mobile-account-section {
        padding: 0;
    }
    
    .mobile-account-header {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .mobile-account-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: #f0f0f0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        overflow: hidden;
    }
    
    [data-theme="dark"] .mobile-account-avatar {
        background-color: #2a2a2a;
    }
    
    .mobile-account-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 50%;
    }
    
    .mobile-account-avatar-placeholder {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #999;
        font-size: 18px;
    }
    
    [data-theme="dark"] .mobile-account-avatar-placeholder {
        color: #666;
    }
    
    .mobile-account-info {
        flex: 1;
    }
    
    .mobile-account-greeting {
        font-size: 15px;
        font-weight: 500;
        color: #1a1a1a;
        line-height: 1.4;
    }
    
    [data-theme="dark"] .mobile-account-greeting {
        color: #ffffff;
    }
    
    .mobile-account-links {
        display: flex;
        gap: 0;
    }
    
    .mobile-account-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px;
        color: #4a4a4a;
        text-decoration: none;
        font-size: 14px;
        transition: color 0.2s ease;
        border-bottom: none;
    }
    
    [data-theme="dark"] .mobile-account-link {
        color: #b3b3b3;
    }
    
    .mobile-account-link:hover {
        color: var(--primary-color);
    }
    
    .mobile-account-link i {
        font-size: 12px;
        color: #999;
        transition: color 0.2s ease;
        margin-left: 6px;
    }
    
    [data-theme="dark"] .mobile-account-link i {
        color: #666;
    }
    
    .mobile-account-link:hover i {
        color: var(--primary-color);
    }
    
    /* 移动端显示导航菜单中的账户选项 */
    .nav-mobile-account {
        display: block !important;
    }
    
    /* 移动端只显示搜索和主题切换 */
    .account-icon,
    .language-switcher {
        display: none !important;
    }
    
    .theme-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    
}

@media (max-width: 576px) {
    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        border-radius: 30px;
        margin-bottom: 10px;
    }

    
}
    
    .newsletter-form button {
        border-radius: 30px;
    }
    
    .product-details-specs ul {
        columns: 1;
    }
    
    .product-details-actions {
        /* flex-direction: column; */
    }