:root {
        --primary-color: #D32F2F;
        --primary-dark: #B71C1C;
        --primary-light: #EF5350;
        --primary-bg: #FFEBEE;
        --primary-text: #5D2E2E;
        --secondary-color: #D32F2F;
        --text-color: #333;
        --text-light: #666;
        --text-lighter: #999;
        --border-color: #e1e1e1;
        --bg-color: #f5f5f5;
        --bg-light: #fff;
        --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        --radius: 4px;
        --transition: all 0.3s ease;
        --max-width: 1430px;
        --grid-gap: 20px;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        color: var(--text-color);
        background-color: var(--bg-color);
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: var(--primary-color);
        text-decoration: none;
        transition: var(--transition);
    }

    a:hover {
        color: var(--primary-dark);
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    ul {
        list-style: none;
    }

    .header-container,
    .footer-container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 15px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 15px;
        background-color: var(--primary-color);
        color: #fff;
        border-radius: var(--radius);
        font-size: 14px;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
    }

    .btn:hover {
        background-color: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
    }

    .btn-primary {
        background-color: var(--primary-color);
    }

    .btn-secondary {
        background-color: var(--secondary-color);
    }

    /* Font Awesome 调整 */
    .fas, .far, .fab {
        margin-right: 5px;
        width: 1.25em;
        text-align: center;
    }

    /* 小圆点图标调整 */
    .info-item .fa-circle {
        font-size: 6px;
        color: var(--primary-color);
    }

    /* 下拉箭头调整 */
    .has-submenu .fa-chevron-down {
        margin-left: auto;
        transition: var(--transition);
        font-size: 12px;
    }

    .has-submenu.open .fa-chevron-down {
        transform: rotate(180deg);
    }
    /* 头部样式 */
    .member-header {
        background-color: var(--primary-color);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 15px 0;
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
    }

    .member-header::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url(../images/endless-clouds.svg) top/60.5px repeat;
        opacity: 0.05;
        z-index: -1;
    }
    .member-header .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .header-logo img {
        height: 40px;
        width: auto;
    }

    .header-nav {
        display: flex;
        align-items: center;
    }

    .nav-item {
        padding: 10px 15px;
        color: #fff;
        font-size: 15px;
        display: flex;
        align-items: center;
        position: relative;
        opacity: 0.9;
    }

    .nav-item:hover, 
    .nav-item.active {
        color: #fff;
        opacity: 1;
    }

    .nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 15px;
        right: 15px;
        height: 2px;
        background-color: #fff;
    }

    .mobile-menu-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 20px;
        color: #fff;
        cursor: pointer;
        padding: 5px;
        transition: var(--transition);
    }

    .mobile-menu-toggle.active {
        transform: rotate(90deg);
    }

    /* 主体布局 */
    .member-container {
        display: flex;
        min-height: calc(100vh - 70px);
        position: relative;
        max-width: var(--max-width);
        margin: 0 auto;
    }
    /* 侧边栏菜单样式 */
    .member-sidebar {
        width: 280px;
        background-color: var(--bg-light);
        box-shadow: var(--shadow);
        z-index: 900;
        flex-shrink: 0;
        border-right: 1px solid var(--border-color);
        position: sticky;
        top: 70px;
        height: calc(100vh - 70px);
        overflow-y: auto;
        transition: transform 0.3s ease;
    }

    .sidebar-user {
        padding: 20px;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
        background-color: var(--primary-bg);
    }

    .user-avatar img {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid var(--primary-color);
        margin: 0 auto;
    }

    .user-info {
        margin-top: 10px;
    }

    .user-info h4 {
        font-size: 16px;
        margin-bottom: 5px;
        color: var(--primary-text);
    }

    .user-info p {
        font-size: 13px;
        color: var(--text-light);
    }

    .menu-list {
        padding: 15px 0;
    }

    .menu-item {
        position: relative;
    }

    /* 一级菜单项基础样式 */
    .menu-item > a {
        display: flex;
        align-items: center;
        padding: 12px 20px;
        color: var(--text-color);
        font-size: 14px;
        transition: var(--transition);
        border-left: 3px solid transparent;
        font-weight: 700;
    }

    /* 为特定一级菜单项添加默认背景 */
    .menu-item.has-submenu > a {
        background-color: rgba(0, 0, 0, 0.06);
    }

    /* 特定菜单项个性化背景色 - 调整为红色系 */
    .menu-item.has-submenu:nth-child(2) > a { /* 帐号 */
        background-color: rgba(211, 47, 47, 0.08);
    }
    .menu-item.has-submenu:nth-child(3) > a { /* 站内消息 */
        background-color: rgba(211, 47, 47, 0.06);
    }
    .menu-item.has-submenu:nth-child(5) > a { /* 会员空间 */
        background-color: rgba(211, 47, 47, 0.08);
    }
    .menu-item.has-submenu:nth-child(6) > a { /* 财务 */
        background-color: rgba(211, 47, 47, 0.06);
    }
    .menu-item.has-submenu:nth-child(7) > a { /* 商城 */
        background-color: rgba(211, 47, 47, 0.08);
    }

    /* 当前一级菜单项样式 */
    .menu-item.active > a {
        background-color: rgba(211, 47, 47, 0.15) !important;
        color: var(--primary-color);
        border-left-color: var(--primary-color);
        font-weight: 700;
    }

    /* 悬停效果 */
    .menu-item > a:hover {
        background-color: rgba(211, 47, 47, 0.1) !important;
        color: var(--primary-color);
    }

    /* 子菜单容器 */
    .submenu-container {
        display: block;
        padding: 0 15px 10px;
        background-color: rgba(0, 0, 0, 0.02);
    }

    /* 两列子菜单布局 */
    .submenu {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 0;
        margin: 0;
    }

    .submenu li {
        margin: 0;
        list-style: none;
    }

    /* 普通子菜单项 */
    .submenu a {
        display: flex;
        align-items: center;
        padding: 8px 10px;
        font-size: 13px;
        color: var(--text-light);
        transition: var(--transition);
        border-radius: var(--radius);
        background-color: rgba(255, 255, 255, 0.8);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* 投稿菜单特殊样式 - 横排 */
    .submenu li.full-width {
        grid-column: 1 / -1;
    }

    .submenu-item-row {
        display: flex;
        justify-content: space-between;
        background-color: rgba(255, 255, 255, 0.8);
        border-radius: var(--radius);
        overflow: hidden;
    }

    .submenu-item-row a {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px 5px;
        font-size: 12px;
        color: var(--text-light);
        transition: var(--transition);
        text-align: center;
        white-space: nowrap;
    }

    .submenu-item-row a:first-child {
        border-right: 1px solid var(--border-color);
    }

    .submenu a:hover,
    .submenu-item-row a:hover {
        background-color: rgba(211, 47, 47, 0.1);
        color: var(--primary-color);
    }

    .submenu li.active a,
    .submenu-item-row a.active {
        background-color: rgba(211, 47, 47, 0.15);
        color: var(--primary-color);
        font-weight: 500;
    }

    /* 图标样式 */
    .menu-item > a i:first-child {
        width: 20px;
        text-align: center;
        margin-right: 10px;
        color: var(--primary-color);
    }

    .submenu a i,
    .submenu-item-row a i {
        margin-right: 5px;
        width: 14px;
        text-align: center;
        color: var(--text-light);
        font-size: 12px;
    }

    .submenu li.active a i,
    .submenu-item-row a.active i {
        color: var(--primary-color);
    }
    /* 主内容区 */
    .member-main {
        flex: 1;
        padding: 20px;
        background-color: var(--bg-light);
        min-height: calc(100vh - 70px);
    }

    /* 用户卡片 */
    .member-card {
        background-color: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        margin-bottom: 20px;
        overflow: hidden;
        transition: var(--transition);
    }

    .member-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    }

    .card-header {
        display: flex;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .card-header .user-avatar img {
        width: 100px;
        height: 100px;
        border-radius: 50%;
        object-fit: cover;
        margin-right: 20px;
        border: 3px solid var(--primary-color);
    }

    .user-info h3 {
        font-size: 20px;
        margin-bottom: 10px;
        color: var(--primary-color);
    }

    .user-info h3 span {
        font-size: 16px;
        color: var(--text-light);
        font-weight: normal;
    }

    .user-level {
        margin-bottom: 10px;
        font-size: 14px;
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }

    .user-level span {
        display: flex;
        align-items: center;
    }

    .user-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 15px;
    }

    .stat-item {
        min-width: 100px;
    }

    .stat-label {
        display: block;
        font-size: 12px;
        color: var(--text-light);
        margin-bottom: 5px;
    }

    .stat-value {
        font-size: 16px;
        font-weight: bold;
        color: var(--primary-color);
    }

    .card-actions {
        display: flex;
        flex-wrap: wrap;
        padding: 15px;
        gap: 10px;
        background-color: #f9f9f9;
    }

    .card-actions .btn {
        font-size: 13px;
        padding: 8px 12px;
    }

    /* 推荐信息 */
    .recommend-section {
        max-width: var(--max-width);
        margin: 0 auto 20px;
        padding: 20px;
        background-color: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
    }

    .section-header {
        margin-bottom: 15px;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .section-header h2 {
        font-size: 18px;
        color: var(--primary-color);
        position: relative;
        padding-left: 15px;
    }

    .section-header h2::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 16px;
        background-color: var(--primary-color);
        border-radius: 2px;
    }
    .recommend-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 15px;
    }

    .recommend-item {
        position: relative;
        aspect-ratio: 1/1;
        border-radius: var(--radius);
        overflow: hidden;
        transition: var(--transition);
        background-color: #fff;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .item-image {
        width: 100%;
        height: 100%;
        position: relative;
    }

    .item-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .item-title {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 10px;
        background: linear-gradient(transparent, rgba(0,0,0,0.7));
        color: #fff;
        font-size: 14px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .item-content {
        padding: 12px 10px;
        background-color: #f9f9f9;
    }

    .item-views {
        font-size: 12px;
        color: var(--text-light);
        display: flex;
        align-items: center;
    }

    .item-views i {
        margin-right: 3px;
        font-size: 10px;
    }
    /* 信息网格 */
    .info-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .info-section {
        background-color: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 20px;
        transition: var(--transition);
    }

    .info-section:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    /* 4. 最新信息和热门信息样式优化 */
    .info-list {
        padding: 0;
    }

    .info-item {
        padding: 12px 0;
        border-bottom: 1px dashed #eee;
        display: flex;
        align-items: center;
        transition: var(--transition);
    }

    .info-icon {
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 10px;
        flex-shrink: 0;
    }

    .info-icon .fa-circle {
        font-size: 8px;
        color: var(--primary-color);
    }
    .info-icon .fa-bookmark {
        font-size: 20px;
        color: var(--primary-color);
    }
	
    .info-icon .fa-cloud-download {
        font-size: 20px;
        color: var(--primary-color);
    }
	

    .rank {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 20px;
        height: 20px;
        background: var(--primary-color);
        color: #fff;
        border-radius: 50%;
        font-size: 12px;
        font-weight: bold;
    }

    .info-content {
        flex: 1;
        min-width: 0;
    }

    .info-link {
        display: block;
        font-size: 14px;
        color: var(--text-color);
        margin-bottom: 5px;
        transition: var(--transition);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .info-link:hover {
        color: var(--primary-color);
    }

    .info-meta {
        display: flex;
        align-items: center;
        font-size: 12px;
        color: var(--text-light);
    }

    .info-date {
        display: flex;
        align-items: center;
        margin-right: 10px;
    }

    .info-date i {
        margin-right: 3px;
        font-size: 12px;
        color: var(--text-light);
    }

    .info-views {
        display: flex;
        align-items: center;
    }

    .info-views i {
        margin-right: 3px;
        font-size: 12px;
        color: var(--text-light);
    }

    /* 游客提示 */
    .guest-message {
        text-align: center;
        padding: 50px 20px;
        background-color: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        max-width: 600px;
        margin: 0 auto;
    }

    .guest-message h2 {
        font-size: 24px;
        margin-bottom: 15px;
        color: var(--primary-color);
    }

    .guest-message p {
        font-size: 16px;
        margin-bottom: 25px;
        color: var(--text-light);
    }

    .guest-actions {
        display: flex;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
    }

    .guest-actions .btn {
        padding: 10px 25px;
        font-size: 16px;
        min-width: 120px;
    }
    /* 页脚 */
    .member-footer {
        background: #2c3e50;
        color: #ecf0f1;
        padding: 35px 0;
        margin-top: 5px;
    }

    .footer-links {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 10px;
    }

    .footer-links a {
        color: #bdc3c7;
        transition: var(--transition);
        padding: 5px 0;
        position: relative;
    }

    .footer-links a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--primary-color);
        transition: var(--transition);
    }

    .footer-links a:hover {
        color: var(--primary-color);
    }

    .footer-links a:hover::after {
        width: 100%;
    }

    .copyright {
        text-align: center;
        font-size: 0.9rem;
        color: #95a5a6;
    }
    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* 响应式设计 */
    @media (max-width: 1200px) {
        .recommend-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    @media (max-width: 992px) {
        .member-container {
            flex-direction: column;
            max-width: 100%;
        }
        
        .member-sidebar {
            position: fixed;
            top: 70px;
            left: -280px;
            width: 280px;
            height: calc(100vh - 70px);
            z-index: 999;
            transition: transform 0.3s ease;
        }
        
        .member-sidebar.show {
            transform: translateX(280px);
        }
        
        .member-main {
            margin-top: 0;
            padding: 15px;
            min-height: calc(100vh - 120px);
        }
        
        .header-nav {
            display: none;
        }
        
        .mobile-menu-toggle {
            display: block;
        }
        
        .info-grid {
            grid-template-columns: 1fr;
        }
        
        .recommend-grid {
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        }
        
        .info-item {
            padding: 10px 0;
        }
        
        .info-link {
            white-space: normal;
            margin-bottom: 3px;
        }
        
        .info-meta {
            flex-wrap: wrap;
        }
    }

    @media (max-width: 768px) {
        .recommend-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .card-actions {
            justify-content: center;
        }
        
        .guest-actions {
            flex-direction: column;
        }

        .section-header h2 {
            font-size: 16px;
        }

        .info-item {
            align-items: flex-start;
            padding: 10px 0;
        }

        .info-icon {
            padding-top: 5px;
        }

        .info-content {
            flex: 1;
            min-width: 0;
        }

        .info-link {
            white-space: normal;
            margin-bottom: 3px;
        }

        .info-meta {
            flex-direction: column;
            gap: 3px;
        }
    }

    @media (max-width: 576px) {
        .recommend-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .info-icon {
            width: 20px;
            height: 20px;
        }
        
        .info-link {
            font-size: 13px;
        }

        .card-actions .btn {
            width: 45%;
        }
    }

    /* Slick轮播点样式修复 */
    .slick-dots {
        display: flex !important;
        justify-content: center;
        margin: 15px 0 0;
        padding: 0;
        list-style: none;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .slick-dots li {
        margin: 0 5px;
    }

    .slick-dots button {
        font-size: 0;
        line-height: 0;
        display: block;
        width: 12px;
        height: 12px;
        padding: 0;
        cursor: pointer;
        color: transparent;
        border: 0;
        outline: none;
        background: #ccc;
        border-radius: 50%;
        transition: all 0.3s ease;
    }

    .slick-dots .slick-active button {
        background: var(--primary-color);
        width: 14px;
        height: 14px;
    }

    /* 用户信息面板优化 */
    .card-header {
        display: flex;
        flex-direction: row;
        align-items: center;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .user-avatar {
        flex-shrink: 0;
        margin:0 20px;
    }

    .user-info {
        flex: 1;
    }

    .user-info h3 {
        font-size: 20px;
        margin-bottom: 10px;
        color: var(--primary-color);
    }

    .user-info h3 span {
        font-size: 16px;
        color: var(--text-light);
        font-weight: normal;
    }

    .user-level {
        margin-bottom: 10px;
        font-size: 14px;
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }

    /* 3. 会员等级图标样式 */
    .user-level img {
        width: 16px;
        height: 16px;
        vertical-align: middle;
        margin-right: 5px;
        object-fit: contain;
    }

    .user-level span {
        display: flex;
        align-items: center;
    }

    .user-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 15px;
    }

    .stat-item {
        min-width: 150px;
        text-align: center;
        background: #f9f9f9;
        padding: 10px;
        border-radius: var(--radius);
    }

    .stat-label {
        display: block;
        font-size: 12px;
        color: var(--text-light);
        margin-bottom: 5px;
    }

    .stat-value {
        font-size: 16px;
        font-weight: bold;
        color: var(--primary-color);
    }

    @media (max-width: 768px) {
        .card-header {
            flex-direction: column;
            text-align: center;
        }

        .user-avatar {
            margin-right: 0;
            margin-bottom: 15px;
        }

        .user-level {
            justify-content: center;
        }

        .user-stats {
            justify-content: center;
        }

        .slick-dots {
            flex-wrap: wrap;
        }
    }

    /* 点击动画效果 */
    @keyframes clickEffect {
        0% {
            transform: scale(1);
            box-shadow: none;
        }
        50% {
            transform: scale(0.98);
            box-shadow: inset 0 0 8px rgba(0,0,0,0.1);
        }
        100% {
            transform: scale(1);
            box-shadow: none;
        }
    }

    .info-item.clicked {
        animation: clickEffect 0.3s ease;
    }

    /* 优化移动端标题显示 */
    @media (max-width: 768px) {
        .item-title {
            white-space: normal;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            height: 3.8em;
            line-height: 1.4em;
        }
    }

    /* 优化热门信息排名样式 */
    .rank {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 22px;
        height: 22px;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
        color: #fff;
        border-radius: 50%;
        font-size: 12px;
        font-weight: bold;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    /* 优化信息项悬停效果 */
    .info-item:hover {
        background-color: rgba(211, 47, 47, 0.05);
        transform: translateX(3px);
    }

    /* 优化小屏幕下的间距 */
    @media (max-width: 576px) {
        .recommend-item {
            margin-bottom: 15px;
        }

        .info-item {
            padding: 15px 0;
        }

        .info-section {
            padding: 15px;
        }
    }

    /* 优化图标对齐 */
    .info-icon {
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
    }

    /* 优化移动端视图统计信息 */
    @media (max-width: 768px) {
        .info-views {
            margin-left: auto;
        }

        .info-meta {
            flex-direction: row;
            justify-content: space-between;
        }
    }

    /* 优化推荐项间距 */
    .recommend-item {
        margin-bottom: 0;
    }

    /* 添加卡片悬停效果 */
    .member-card:hover {
        box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    }

    /* 优化移动端菜单按钮 */
    .mobile-menu-toggle {
        padding: 8px;
        background: rgba(255,255,255,0.1);
        border-radius: 4px;
    }

    /* 优化子菜单动画 */
    .submenu {
        animation: fadeIn 0.2s ease-out;
    }

    .submenu-container ul{ margin-top:10px;}

    /* 优化表格响应式 */
    @media (max-width: 768px) {
        .user-stats {
            width:100%
            flex-direction: column;
            gap: 10px;
            display:block;
        }

        .stat-item {
            width: 25%;
            float: left;
            margin: 6px 10px;
            min-width: 100px!important;
        }
    }

    /* 优化按钮悬停效果 */
    .btn:hover {
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    /* 优化图片加载效果 */
    .item-image img {
        transition: transform 0.3s ease, opacity 0.3s ease;
        opacity: 0.95;
    }

    .recommend-item:hover .item-image img {
        opacity: 1;
    }

    /* 优化移动端侧边栏滚动 */
    @media (max-width: 992px) {
        .member-sidebar {
            overflow-y: auto;
        }
    }

    /* 优化表单元素 */
    input, select, textarea {
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        padding: 8px 12px;
        transition: var(--transition);
    }

    input:focus, select:focus, textarea:focus {
        border-color: var(--primary-color);
        outline: none;
        box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.2);
    }

    /* 优化页面加载动画 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .member-main > * {
        animation: fadeInUp 0.5s ease forwards;
    }

    /* 优化延迟加载效果 */
    .recommend-item {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.5s ease forwards;
    }

    .recommend-item:nth-child(1) { animation-delay: 0.1s; }
    .recommend-item:nth-child(2) { animation-delay: 0.2s; }
    .recommend-item:nth-child(3) { animation-delay: 0.3s; }
    .recommend-item:nth-child(4) { animation-delay: 0.4s; }
    .recommend-item:nth-child(5) { animation-delay: 0.5s; }
    .recommend-item:nth-child(6) { animation-delay: 0.6s; }
    .recommend-item:nth-child(7) { animation-delay: 0.7s; }
    .recommend-item:nth-child(8) { animation-delay: 0.8s; }
    .recommend-item:nth-child(9) { animation-delay: 0.9s; }
    .recommend-item:nth-child(10) { animation-delay: 1s; }

    /* 优化移动端触摸反馈 */
    .info-item {
        -webkit-tap-highlight-color: transparent;
    }

    /* 优化滚动条样式 */
    ::-webkit-scrollbar {
        width: 12px;
        height: 12px;
    }

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
        background: #e0e0e0;
        border-radius: 2px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #e0e0e0;
    }

    /* 优化打印样式 */
    @media print {
        .member-header,
        .member-sidebar,
        .card-actions,
        .member-footer {
            display: none;
        }

        .member-main {
            padding: 0;
        }

        body {
            background: none;
        }
    }

    /* 优化IE兼容性 */
    @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
        .recommend-grid {
            display: flex;
            flex-wrap: wrap;
        }

        .recommend-item {
            width: calc(20% - 16px);
            margin: 8px;
        }

        @media (max-width: 1200px) {
            .recommend-item {
                width: calc(25% - 16px);
            }
        }

        @media (max-width: 992px) {
            .recommend-item {
                width: calc(33.333% - 16px);
            }
        }

        @media (max-width: 768px) {
            .recommend-item {
                width: calc(50% - 16px);
            }
        }

        @media (max-width: 576px) {
            .recommend-item {
                width: 100%;
            }
        }
    }

    /* 优化Edge兼容性 */
    @supports (-ms-ime-align:auto) {
        .recommend-grid {
            display: flex;
            flex-wrap: wrap;
        }

        .recommend-item {
            width: calc(20% - 16px);
            margin: 8px;
        }

        @media (max-width: 1200px) {
            .recommend-item {
                width: calc(25% - 16px);
            }
        }

        @media (max-width: 992px) {
            .recommend-item {
                width: calc(33.333% - 16px);
            }
        }

        @media (max-width: 768px) {
            .recommend-item {
                width: calc(50% - 16px);
            }
        }

        @media (max-width: 576px) {
            .recommend-item {
                width: 100%;
            }
        }
    }
    .recommend-item:hover .item-image img {
        transform: scale(1.1);
    }

    .info-item:hover {
        background-color: rgba(211, 47, 47, 0.05);
    }

    @media (min-width: 992px) {
        .card-header .user-avatar img {
            display: none;
        }
    }
    /* 资料修改表单样式 */
    .profile-form {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        padding: 30px;
        margin-bottom: 30px;
    }
    
    .profile-form h2 {
        font-size: 20px;
        color: #333;
        margin-bottom: 25px;
        padding-bottom: 15px;
        border-bottom: 1px solid #eee;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .profile-form h2 a {
        font-size: 14px;
        color: var(--primary-color);
        text-decoration: none;
        transition: all 0.3s;
    }
    
    .profile-form h2 a:hover {
        color: var(--primary-dark);
    }
    
    .form-group {
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
    }
    
    .form-label {
        flex: 0 0 180px;
        max-width: 180px;
        font-weight: 500;
        color: #555;
        display: flex;
        align-items: center;
        margin-right: 15px;
    }
    
    .form-label i {
        margin-right: 10px;
        color: var(--primary-color);
        width: 20px;
        text-align: center;
    }
    
    .form-control-wrapper {
        flex: 1;
        min-width: 200px;
    }
    
    .form-control {
        width: 100%;
        padding: 10px 15px;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 14px;
        transition: all 0.3s;
    }
    
    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
        outline: none;
    }
    
    textarea.form-control {
        min-height: 120px;
        resize: vertical;
    }
    
    .avatar-preview {
        display: flex;
        align-items: center;
        margin-top: 10px;
    }
    
    .avatar-preview img {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        object-fit: cover;
        margin-right: 15px;
        border: 1px solid #eee;
    }
    
    .file-input-wrapper {
        position: relative;
        overflow: hidden;
        display: inline-block;
        width: 100%;
    }
    
    .file-input-wrapper input[type="file"] {
        position: absolute;
        font-size: 100px;
        opacity: 0;
        right: 0;
        top: 0;
        cursor: pointer;
    }
    
    .file-input-btn {
        display: inline-block;
        padding: 8px 15px;
        background: #f5f5f5;
        border: 1px solid #ddd;
        border-radius: 4px;
        color: #555;
        cursor: pointer;
        transition: all 0.3s;
        width: 100%;
        text-align: left;
    }
    
    .file-input-btn:hover {
        background: #e9e9e9;
    }
    
    .form-submit {
        text-align: center;
        margin-top: 30px;
        padding-top: 20px;
        border-top: 1px solid #eee;
    }
    
    .btn-submit {
        background: var(--primary-color);
        color: #fff;
        border: none;
        padding: 10px 30px;
        border-radius: 4px;
        font-size: 16px;
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .btn-submit:hover {
        background: var(--primary-dark);
    }
    
    .username-display {
        font-size: 16px;
        color: #333;
        padding: 10px 0;
        margin-bottom: 20px;
        border-bottom: 1px solid #eee;
        display: flex;
        align-items: center;
    }
    
    .username-display i {
        margin-right: 10px;
        color: var(--primary-color);
    }
    
    select.form-control {
        appearance: none;
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 10px center;
        background-size: 16px;
        padding-right: 30px;
    }
    
    @media (max-width: 768px) {
        .form-group {
            flex-direction: column;
            align-items: flex-start;
        }
        
        .form-label {
            flex: 0 0 100%;
            max-width: 100%;
            margin-bottom: 8px;
        }
        
        .form-control-wrapper {
            width: 100%;
        }
    }
    
    /* 账号菜单展开状态 */
    .menu-item.has-submenu.open .submenu {
        display: block;
    }

    /* 当前菜单项高亮样式 */
    .submenu li.active a {
        color: var(--primary-color);
        font-weight: bold;
        background-color: rgba(211, 47, 47, 0.1);
        padding-left: 15px;
        border-left: 3px solid var(--primary-color);
        margin-left: -3px;
    }

    /* 图标旋转效果 */
    .menu-item.has-submenu.open > a > .fa-chevron-down {
        transform: rotate(180deg);
        transition: transform 0.3s ease;
    }

    /* 子菜单图标样式 */
    .submenu li a i {
        width: 20px;
        text-align: center;
        margin-right: 8px;
        color: #D32F2F;
    }

    .submenu li.active a i {
        color: var(--primary-color);
    }

    /* 移动端适配 - 保持两列布局 */
    @media (max-width: 992px) {
        .member-sidebar {
            position: fixed;
            top: 70px;
            left: 0;
            width: 280px;
            height: calc(100vh - 70px);
            transform: translateX(-100%);
            z-index: 999;
        }
        
        .member-sidebar.show {
            transform: translateX(0);
        }
        
        .menu-item > a {
            padding: 12px 15px;
        }
        
        .submenu-container {
            padding: 0 10px 10px;
        }
        
        .submenu a {
            padding: 8px 10px;
            font-size: 12px;
        }
    }
    
    /* 进一步优化小屏幕下的显示 */
    @media (max-width: 480px) {
        .submenu a {
            padding: 6px 8px;
            font-size: 12px;
        }
        
        .submenu-item-row a {
            padding: 6px 3px;
            font-size: 11px;
        }
        
        .submenu a i,
        .submenu-item-row a i {
            width: 12px;
            font-size: 11px;
            margin-right: 3px;
        }
    }