/**
 * ALYR 移动端样式 - 参考 Trae.com.cn 设计
 * 简洁、优雅、实用的移动端优化
 * Version: 10.0.0
 */

/* 内容进入动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 平板模式优化 - 769px到1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    
    /* 导航栏适配 */
    .navbar {
        padding: 0 24px;
    }
    
    .nav-container {
        max-width: 100%;
    }
    
    /* 主要内容区域 */
    .hero-section {
        padding: 80px 24px 60px;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-description {
        font-size: 18px;
        max-width: 600px;
    }
    
    /* 特性卡片布局 */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        padding: 0 24px;
    }
    
    /* 登录模态框适配 */
    .login-modal {
        padding: 20px;
    }
    
    .login-modal-content {
        max-width: 480px;
        margin: 0 auto;
    }
    
    /* 底部按钮适配 */
    .bottom-buttons {
        padding: 0 24px;
    }
    
    /* 助手页面适配 */
    .chat-container {
        max-width: 100%;
        margin: 0 24px;
    }
    
    /* 表单适配 */
    .form-container {
        max-width: 500px;
        margin: 0 auto;
        padding: 0 24px;
    }
}

/* 移动端样式 - 768px以下设备 */
@media (max-width: 768px) {
    
    /* 移动端兼容性设置 */
    * {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* 内容进入动画 */
    .content-enter {
        opacity: 0;
        -webkit-transform: translateY(30px);
        -moz-transform: translateY(30px);
        -ms-transform: translateY(30px);
        -o-transform: translateY(30px);
        transform: translateY(30px);
    }
    
    .content-enter-active {
        opacity: 1;
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }
    
    .content-slide-left {
        opacity: 0;
        -webkit-transform: translateX(30px);
        -moz-transform: translateX(30px);
        -ms-transform: translateX(30px);
        -o-transform: translateX(30px);
        transform: translateX(30px);
    }
    
    .content-slide-left-active {
        opacity: 1;
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
        transform: translateX(0);
    }
    
    /* ========================================
       基础优化
       ======================================== */
    
    body {
        padding-top: 60px;
        font-size: 16px;
        -webkit-text-size-adjust: 100%;
    }
    
    /* ========================================
       导航栏优化
       ======================================== */
    
    .navbar {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0;
    }
    
    /* 隐藏桌面端导航项 */
    .nav-item-desktop {
        display: none !important;
    }
    
    /* 显示移动端菜单按钮 */
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: none;
        border: none;
        color: #fff;
        cursor: pointer;
        border-radius: 10px;
        transition: all 0.2s ease;
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    /* 浅色主题下的移动端菜单按钮 */
    body.theme-light .mobile-menu-toggle {
        color: var(--text-primary);
    }
    
    body.theme-light .mobile-menu-toggle:hover {
        background: rgba(0, 0, 0, 0.1);
    }
    
    /* ========================================
       移动端侧边栏
       ======================================== */
    
    /* 重新显示移动端侧边栏和遮罩 */
    .mobile-sidebar,
    .mobile-sidebar-overlay {
        display: block !important;
    }
    
    /* 移动端主题切换按钮样式 */
    .mobile-theme-toggle {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 8px;
        padding-top: 16px;
        padding-left: 20px !important;
        padding-right: 20px !important;
        justify-content: center !important;
        min-height: auto !important;
        width: auto !important;
    }
    
    body.theme-light .mobile-theme-toggle {
        border-top-color: rgba(0, 0, 0, 0.1);
    }
    
    body.theme-light .mobile-theme-toggle:hover {
        background: rgba(0, 0, 0, 0.1) !important;
        color: rgba(0, 0, 0, 1) !important;
    }
    
    /* 浅色主题下的移动端logo */
    body.theme-light .mobile-logo {
        color: var(--text-primary) !important;
    }
    
    body.theme-light .mobile-logo:hover {
        background: none !important;
        text-decoration: none;
    }
    
    /* 移动端浅色主题适配 */
    body.theme-light .mobile-sidebar {
        background: var(--bg-primary);
        border-right: 1px solid var(--border-color);
    }
    
    body.theme-light .mobile-sidebar-header {
        border-bottom: 1px solid var(--border-color);
    }
    
    body.theme-light .mobile-nav-item {
        color: var(--text-primary);
        border-bottom: 1px solid var(--border-color);
    }
    
    body.theme-light .mobile-nav-item:hover {
        background: var(--bg-secondary);
    }
    
    body.theme-light .mobile-user-section {
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
    }
    
    body.theme-light .mobile-user-info {
        color: var(--text-primary);
    }
    
    body.theme-light .mobile-user-avatar {
        background: #c54043;
        color: white;
    }
    
    body.theme-light .mobile-user-menu-item {
        color: var(--text-secondary);
    }
    
    body.theme-light .mobile-user-menu-item:hover {
        background: var(--border-color);
    }
    
    .mobile-theme-toggle .theme-icon {
        width: 20px;
        height: 20px;
    }
    
    .mobile-theme-toggle span {
        display: none; /* 隐藏文字，只保留图标 */
    }
    
    .mobile-sidebar {
        position: fixed;
        top: 0;
        left: -150px;
        width: 150px;
        height: 100vh;
        background: linear-gradient(180deg, #1e1f24 0%, #16171c 100%);
        border-right: 1px solid rgba(255, 255, 255, 0.08);
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 9999;
        overflow-y: auto;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .mobile-sidebar.active {
        left: 0;
    }
    
    .mobile-sidebar-header {
        padding: 24px 20px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.02);
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: sticky;
        top: 0;
        backdrop-filter: blur(10px);
        z-index: 10;
    }
    
    .mobile-logo {
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        text-decoration: none;
        letter-spacing: 1px;
        display: flex;
        align-items: center;
    }
    
    .mobile-logo::before {
        display: none;
    }
    
    .mobile-logo:hover {
        background: none !important;
        text-decoration: none;
    }
    
    .mobile-sidebar-close {
        width: 36px;
        height: 36px;
        background: rgba(255, 255, 255, 0.08);
        border: none;
        color: #fff;
        cursor: pointer;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
    }
    
    .mobile-sidebar-close:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: scale(1.05);
    }
    
    .mobile-sidebar-close:active {
        transform: scale(0.95);
    }
    
    /* 移动端导航项 */
    .mobile-sidebar-nav {
        padding: 20px 0;
    }
    
    .mobile-nav-item {
        display: flex;
        align-items: center;
        padding: 16px 20px;
        color: rgba(255, 255, 255, 0.85);
        text-decoration: none;
        font-size: 16px;
        font-weight: 500;
        transition: all 0.2s ease;
        border-left: 3px solid transparent;
        position: relative;
        margin: 3px 12px;
        border-radius: 10px;
        gap: 0;
        min-height: 52px;
    }
    
    /* 移除所有导航项图标 */
    .mobile-nav-item::before {
        display: none;
    }
    
    /* 移除特定图标样式 */
    .mobile-nav-item:nth-child(1)::before,
    .mobile-nav-item:nth-child(2)::before,
    .mobile-nav-item:nth-child(3)::before,
    .mobile-nav-item:nth-child(4)::before,
    .mobile-nav-item:nth-child(5)::before {
        display: none;
    }
    
    /* 反馈和其他功能图标 - 全部隐藏 */
    .mobile-nav-item[title*="反馈"]::before,
    .mobile-nav-item[title*="登录"]::before,
    .mobile-platform::before {
        display: none;
    }
    
    .mobile-nav-item:hover {
        background: rgba(255, 255, 255, 0.06);
        border-left-color: #c54043;
        color: #fff;
        transform: translateX(4px);
    }
    
    .mobile-nav-item:hover::before {
        transform: scale(1.1);
    }
    
    .mobile-nav-item:active {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(2px) scale(0.98);
    }
    
    .mobile-nav-divider {
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        margin: 20px 20px;
        position: relative;
    }
    
    .mobile-nav-divider::before {
        content: "···";
        position: absolute;
        left: 50%;
        top: -8px;
        transform: translateX(-50%);
        background: #16171c;
        color: rgba(255, 255, 255, 0.3);
        padding: 0 8px;
        font-size: 12px;
        letter-spacing: 2px;
    }
    
    /* ========================================
       用户信息区域
       ======================================== */
    
    .mobile-user-section {
        padding: 20px 20px 24px;
        background: linear-gradient(135deg, rgba(197, 64, 67, 0.1) 0%, rgba(221, 152, 255, 0.05) 100%);
        margin: 0 12px 20px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
    }
    
    .mobile-user-info {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 18px;
        padding: 14px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 10px;
    }
    
    .mobile-user-avatar {
        width: 48px;
        height: 48px;
        background: linear-gradient(135deg, #c54043 0%, #e74c3c 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        color: #fff;
    }
    
    .mobile-user-details {
        flex: 1;
        min-width: 0;
    }
    
    .mobile-user-name {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .mobile-user-email {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .mobile-user-menu-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 14px;
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
        transition: all 0.2s ease;
        border-radius: 10px;
        margin: 3px 0;
        min-height: 44px;
    }
    
    .mobile-user-menu-item:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
        transform: translateX(2px);
    }
    
    .mobile-user-menu-item.logout-item {
        color: #ff6b6b;
        margin-top: 8px;
        padding-top: 12px;
    }
    
    .mobile-user-menu-item.logout-item:hover {
        background: rgba(255, 107, 107, 0.1);
        color: #ff6b6b;
    }
    
    /* ========================================
       Hero区域优化
       ======================================== */
    
    .hero {
        width: 95%;
        margin: auto;
        min-height: 65vh;
    }
    
    .hero-content {
        padding: 40px 24px 20px; /* 大幅减少上下间距 */
        min-height: auto; /* 移除最小高度限制 */
        text-align: center;
    }
    
    /* 针对反馈页面等单独页面的标题优化 */
    main.hero-content {
        padding: 80px 24px 20px; /* 顶部保持一些间距，底部减少 */
    }
    
    .hero-title {
        font-size: 2.4rem !important;
        line-height: 1.25;
        margin-bottom: 20px;
        font-weight: 800;
        letter-spacing: -0.02em;
    }
    
    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 24px;
        padding: 0 8px;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.5;
    }
    
    .hero-description {
        font-size: 17px;
        line-height: 1.6;
        margin-bottom: 32px;
        padding: 0 8px;
        color: rgba(255, 255, 255, 0.85);
        font-weight: 400;
    }
    
    /* Hero按钮优化 */
    .hero-buttons {
        flex-direction: column;
        gap: 14px;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .hero-button {
        width: 100%;
        padding: 16px 28px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 10px;
        min-height: 52px;
        transition: all 0.2s ease;
    }
    
    .hero-button:active {
        transform: scale(0.98);
    }
    
    .hero-button-primary {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(221, 152, 255, 0.6);
    }
    
    .hero-button-primary:hover {
        border-color: #dc93f5;
        background: transparent;
    }
    
    .hero-button-secondary {
        background-image: linear-gradient(73deg, #c54043 17.88%, #dd98ff 98.36%);
        color: #fff;
        border: none;
    }
    
    .hero-button-secondary:hover {
        background-image: linear-gradient(133deg, #c54043 17.88%, #dd98ff 98.36%);
    }
    
    .hero-button-subtitle {
        margin-top: 2rem;
    }
    
    /* ========================================
       内容区域优化
       ======================================== */
    
    .features {
        padding: 0px 10px;
        background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.01) 50%, transparent 100%);
        margin-bottom: 10px;
    }
    
    .feature-section {
        display: flex;
        flex-direction: column;
        margin-bottom: 50px;
        gap: 0;
        background: rgba(255, 255, 255, 0.02);
        border-radius: 10px;
        padding: 30px 0;
        backdrop-filter: blur(10px);
        animation: fadeInUp 0.6s ease-out;
        animation-fill-mode: both;
    }
    
    .feature-section:nth-child(1) { animation-delay: 0.1s; }
    .feature-section:nth-child(2) { animation-delay: 0.2s; }
    .feature-section:nth-child(3) { animation-delay: 0.3s; }
    .feature-section:nth-child(4) { animation-delay: 0.4s; }
    
    .feature-content {
        order: 1; /* 文字内容在上面 */
        margin-bottom: 32px;
        padding: 0 24px;
    }
    
    .feature-image,
    .media-container {
        order: 2; /* 图片在下面 */
    }
    
    .feature-content h3 {
        font-size: 26px;
        margin-bottom: 20px;
        font-weight: 700;
        line-height: 1.3;
        color: #fff;
        letter-spacing: -0.02em;
    }
    
    .feature-content p {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 24px;
        color: rgba(255, 255, 255, 0.85);
        font-weight: 400;
    }
    
    /* 特性标签优化 */
    .feature-tags {
        justify-content: flex-start;
        gap: 10px;
        margin-top: 20px;
        margin-bottom: 24px;
        flex-wrap: wrap;
    }
    
    .feature-tag {
        font-size: 13px;
        padding: 8px 14px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.06);
        color: rgba(255, 255, 255, 0.9);
        font-weight: 500;
        transition: all 0.2s ease;
        backdrop-filter: blur(10px);
        animation: slideInRight 0.4s ease-out;
        animation-fill-mode: both;
        border: none;
    }
    
    .feature-tag:nth-child(1) { animation-delay: 0.5s; }
    .feature-tag:nth-child(2) { animation-delay: 0.6s; }
    .feature-tag:nth-child(3) { animation-delay: 0.7s; }
    
    .feature-tag:hover {
        background: rgba(197, 64, 67, 0.2);
        border-color: rgba(197, 64, 67, 0.4);
        color: #fff;
        transform: translateY(-1px);
    }
    
    /* 移动端去掉可点击标签的边框 */
    .feature-tag.clickable-tag {
        border: none !important;
    }
    
    .feature-tag.clickable-tag:hover {
        border: none !important;
    }
    
    /* 图片和视频区域统一优化 - 固定尺寸 */
    .feature-image,
    .media-container {
        border-radius: 10px;
        overflow: hidden;
        width: 100%;
        max-width: 100%;
        height: 200px;
        background: #13141a;
        position: relative;
    }
    
    /* 特别处理assistant-container - 移除padding */
    .feature-image.assistant-container {
        padding: 0 !important;
        height: 200px !important;
        display: block !important;
    }
    
    /* 让其他功能模块也使用和知识助手一样的布局 - 通过nth-child选择 */
    .feature-section:nth-child(2) .feature-image,
    .feature-section:nth-child(2) .media-container,
    .feature-section:nth-child(3) .feature-image,
    .feature-section:nth-child(3) .media-container,
    .feature-section:nth-child(4) .feature-image,
    .feature-section:nth-child(4) .media-container {
        padding: 0 !important;
        height: 200px !important;
        display: block !important;
        align-items: stretch !important;
        justify-content: stretch !important;
    }
    
    /* 小屏幕下保持统一的图片视频尺寸 */
    .feature-image,
    .media-container {
        width: 100% !important;
        height: 200px !important;
        max-width: 100% !important;
    }
    
    .feature-image img,
    .media-container img,
    .media-container video,
    img.assistant-image,
    img.clearingplan-image,
    img.TalentDefense-image,
    img.Openinterfaces-image,
    video.assistant-image,
    video.clearingplan-image,
    video.TalentDefense-image,
    video.Openinterfaces-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        border-radius: 10px;
        border: none;
        background: none;
        margin: 0;
    }
    
    .feature-image:hover img,
    .media-container:hover img,
    .media-container:hover video {
        transform: scale(1.01);
        transform-origin: center center;
        border-radius: 10px;
    }
    
    /* 触摸设备优化 */
    @media (hover: none) and (pointer: coarse) {
        .media-container {
            cursor: pointer;
        }
        
        .media-container:active img,
        .media-container:active video {
            transform: scale(0.99);
            transform-origin: center center;
            transition: transform 0.1s ease;
            border-radius: 10px;
        }
        
        /* 为触摸设备添加视觉提示 */
        .media-container::after {
            content: '▶';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(0, 0, 0, 0.7);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            opacity: 0.8;
            pointer-events: none;
            z-index: 10;
            transition: opacity 0.3s ease;
        }
        
        .media-container.playing::after {
            content: '⏸';
        }
    }
    
    /* ========================================
       表单优化
       ======================================== */
    
    .feedback-form-section {
        padding: 30px 20px; /* 减少上下间距 */
        background: linear-gradient(135deg, rgba(19, 20, 26, 0.7) 0%, rgba(34, 35, 38, 0.5) 100%);
    }
    
    .feedback-form-container {
        padding: 20px; /* 稍微减少容器padding */
        background: rgba(255, 255, 255, 0.02);
        border-radius: 10px;
        backdrop-filter: blur(15px);
    }
    
    .feedback-form {
        padding: 24px; /* 减少表单内部padding */
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.03);
    }
    
    .form-input,
    .form-textarea {
        font-size: 16px;
        padding: 14px 18px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.05);
        color: #fff;
        transition: all 0.2s ease;
        backdrop-filter: blur(10px);
        border: none;
    }
    
    .form-input:focus,
    .form-textarea:focus {
        background: rgba(255, 255, 255, 0.08);
        outline: none;
    }
    
    .form-submit {
        width: 100%;
        padding: 16px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 10px;
        min-height: 52px;
        background: linear-gradient(135deg, #c54043 0%, #e74c3c 100%);
        border: none;
        color: #fff;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .form-submit:hover {
        transform: translateY(-2px);
    }
    
    .form-submit:active {
        transform: translateY(0);
    }
    
    /* ========================================
       底部区域优化
       ======================================== */
    
    .bottom-section {
        width: 95%;
        margin: auto;
        background: linear-gradient(180deg, transparent 0%, rgba(22, 23, 28, 0.8) 100%);
    }
    
    /* 底部标题和按钮 */
    .bottom-title {
        font-size: 24px; /* 和其他标题保持一致 */
        font-weight: 700;
        margin-bottom: 16px;
        color: #fff;
    }
    
    .bottom-subtitle {
        font-size: 16px;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 24px;
        line-height: 1.6;
    }
    
    .bottom-button {
        background-image: linear-gradient(73deg, #c54043 17.88%, #dd98ff 98.36%);
        color: #fff;
        padding: 16px 28px; /* 和hero按钮保持一致 */
        border-radius: 10px;
        text-decoration: none;
        font-weight: 600;
        font-size: 16px;
        transition: all 0.2s ease;
        display: inline-block;
        min-height: 52px;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    .bottom-button:hover {
        background-image: linear-gradient(133deg, #c54043 17.88%, #dd98ff 98.36%);
        transform: translateY(-2px);
    }
    
    /* 移动端返回顶部按钮优化 */
    .back-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .back-to-top-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* 移动端浅色主题下的返回顶部按钮样式 */
    body.theme-light .back-to-top-btn {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        box-shadow: 0 4px 12px var(--shadow-color);
    }
    
    body.theme-light .back-to-top-btn:hover {
        background: var(--bg-primary);
        border-color: var(--border-color);
        color: var(--text-primary);
        box-shadow: 0 6px 16px var(--shadow-color);
    }
    
    body.theme-light .back-to-top-btn svg {
        color: var(--text-primary);
    }
    
    body.theme-light .back-to-top-btn:hover svg {
        color: var(--text-primary);
    }

    .footer {
        padding: 40px 20px; /* 和其他区域保持一致的左右padding */
        background: rgba(22, 23, 28, 0.9);
        backdrop-filter: blur(10px);
    }
    
    .footer-container {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .footer-content {
        text-align: center;
        padding: 0;
    }
    
    .copyright {
        font-size: 14px; /* 稍微调大字体 */
        font-weight: 400;
        color: rgba(255, 255, 255, 0.7); /* 和其他文字保持一致的透明度 */
        margin-bottom: 12px;
        line-height: 1.5;
    }
    
    /* 浅色主题下的版权文字 */
    body.theme-light .copyright {
        color: rgba(0, 0, 0, 0.7);
    }
    
    body.theme-light .company-info {
        color: rgba(0, 0, 0, 0.6);
    }
    
    .company-info {
        font-size: 13px;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 20px;
        line-height: 1.5;
    }
    
    .footer-links {
        flex-direction: row !important;
        gap: 8px 16px !important;
        text-align: center;
        padding: 0;
        margin-bottom: 24px !important;
        justify-content: center !important;
        flex-wrap: wrap !important;
    }
    
    .footer-links a {
        color: rgba(255, 255, 255, 0.7) !important;
        text-decoration: none;
        font-size: 15px !important;
        font-weight: 500 !important;
        padding: 6px 12px;
        border-radius: 8px;
        transition: all 0.2s ease !important;
        display: inline-block;
        width: auto;
        max-width: 100%;
    }
    
    .footer-links a:hover {
        color: #fff !important;
        background: rgba(255, 255, 255, 0.05);
        transform: translateY(-1px);
    }
    
    /* 浅色主题下的底部导航链接 */
    body.theme-light .footer-links a {
        color: rgba(0, 0, 0, 0.7) !important;
    }
    
    body.theme-light .footer-links a:hover {
        color: rgba(0, 0, 0, 0.9) !important;
        background: rgba(0, 0, 0, 0.05);
    }
    
    /* ========================================
       隐私功能卡片优化
       ======================================== */
    
    /* 隐私整体区域 */
    .privacy-security {
        width: 95%;
        margin: auto;
    }
    
    /* 隐私容器 */
    .privacy-container {
        padding: 0; /* 移除额外padding */
        max-width: 100%;
    }
    
    /* 隐私功能卡片改为单列 */
    .privacy-features {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 50px;
        padding: 0; /* 移除额外padding */
    }
    
    .privacy-card {
        padding: 28px 24px;
        background: rgba(255, 255, 255, 0.03);
        border-radius: 10px;
        backdrop-filter: blur(15px);
        transition: all 0.3s ease;
    }
    
    .privacy-card:hover {
        transform: translateY(-4px);
        border-color: rgba(197, 64, 67, 0.3);
    }
    
    .privacy-title {
        font-size: 30px;
        font-weight: 800;
        margin-bottom: 20px;
        line-height: 1.3;
        letter-spacing: -0.02em;
        padding: 0; /* 移除额外padding */
    }
    
    .privacy-description {
        font-size: 17px;
        padding: 0; /* 移除padding，和feature-content保持一致 */
        line-height: 1.6;
        color: rgba(255, 255, 255, 0.85);
        font-weight: 400;
        margin-bottom: 32px; /* 和feature-content一致 */
    }
    
    /* 内容区域细节优化 */
    .feature-section:first-child {
        margin-top: 0;
    }
    
    .feature-section:last-child {
        margin-bottom: 0;
    }
    
    /* 文本选择优化 */
    .feature-content h3::selection,
    .feature-content p::selection {
        background: rgba(197, 64, 67, 0.3);
        color: #fff;
    }
    
    /* 特殊装饰 */
    .feature-content h3::before {
        content: "";
        display: inline-block;
        width: 4px;
        height: 24px;
        background: linear-gradient(135deg, #c54043 0%, #e74c3c 100%);
        border-radius: 2px;
        margin-right: 12px;
        vertical-align: middle;
    }
    
    /* ========================================
       隐藏复杂元素
       ======================================== */
    
    /* 隐藏桌面端用户菜单 */
    .user-dropdown {
        display: none;
    }
    
    /* 简化图片动画 */
    .assistant-image::before,
    .clearingplan-image::before,
    .TalentDefense-image::before,
    .Openinterfaces-image::before {
        display: none;
    }
    
    /* 隐藏ALYR预览区域 */
    .ALYR-preview {
        display: none;
    }
    
    /* 隐藏桌面端用户菜单详细信息 */
    .user-name,
    .user-menu-arrow {
        display: none !important;
    }
    
    /* 简化用户菜单只保留头像 */
    .user-menu-trigger {
        padding: 8px !important;
        min-width: auto !important;
    }
    
    /* 侧边栏遮罩 */
    .mobile-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(2px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 9998;
    }
    
    .mobile-sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* 强制所有图片视频统一尺寸 - 覆盖main.css设置 */
    .media-container,
    .feature-image,
    div.media-container,
    div.feature-image {
        width: 100% !important;
        height: 200px !important;
        max-width: 100% !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .feature-image img,
    .media-container img,
    .media-container video,
    img.assistant-image,
    img.clearingplan-image,
    img.TalentDefense-image,
    img.Openinterfaces-image,
    video.assistant-image,
    video.clearingplan-image,
    video.TalentDefense-image,
    video.Openinterfaces-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        object-position: center !important;
        display: block !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        border-radius: 10px !important;
        border: none !important;
        background: none !important;
        margin: 0 !important;
        max-width: none !important;
        max-height: none !important;
    }
    
    .assistant-page {
        padding-top: 0px !important;
    }
    
    .chat-input-area {
        padding-bottom: 0rem !important;
    }
    
    .chat-messages {
        padding: 5px !important;
    }
    
    .welcome-screen {
        justify-content: flex-start !important;
    }
}

/* 小屏手机优化 - 480px以下 */
@media (max-width: 480px) {
    
    .hero-title {
        font-size: 2.0rem !important;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-buttons {
        max-width: 280px;
    }
    
    .feature-content h3 {
        font-size: 22px;
    }
    
    .feature-content p {
        font-size: 15px;
    }
    
    .privacy-title {
        font-size: 26px;
    }
    
    .feature-section {
        width: 95%;
        margin: auto;
        margin-bottom: 40px;
    }
    
    .feature-content h3::before {
        height: 20px;
        margin-right: 10px;
    }
    
    .hero {
        padding: 50px 20px 0px;
    }
    
    .hero-content {
        padding: 50px 20px 35px;
    }
    
    /* 小屏幕下保持统一的图片视频尺寸 */
    .feature-image,
    .media-container {
        width: 100% !important;
        height: 200px !important;
        max-width: 100% !important;
    }
    
    .feature-image img,
    .media-container img,
    .media-container video,
    img.assistant-image,
    img.clearingplan-image,
    img.TalentDefense-image,
    img.Openinterfaces-image,
    video.assistant-image,
    video.clearingplan-image,
    video.TalentDefense-image,
    video.Openinterfaces-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        border-radius: 10px;
        border: none;
        background: none;
        margin: 0;
    }
}

/* 超小屏优化 - 375px以下 */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.8rem !important;
    }
    
    .feature-section {
        padding: 20px 16px;
    }
    
    .hero-buttons {
        max-width: 240px;
    }
    
    .privacy-title {
        font-size: 24px;
    }
    
    /* 超小屏幕下也保持200px固定高度 */
    .feature-image,
    .media-container {
        width: 100% !important;
        height: 200px !important;
        max-width: 100% !important;
    }
    
    .feature-image img,
    .media-container img,
    .media-container video,
    img.assistant-image,
    img.clearingplan-image,
    img.TalentDefense-image,
    img.Openinterfaces-image,
    video.assistant-image,
    video.clearingplan-image,
    video.TalentDefense-image,
    video.Openinterfaces-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        border-radius: 10px;
        border: none;
        background: none;
        margin: 0;
    }
}