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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
            color: var(--text-color);
            background-color: var(--background-color);
            line-height: 1.6;
            font-size: 14px;
            scroll-behavior: smooth;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
		 /* 英雄区 Banner */
        .hero-banner {
            position: relative;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
            border-radius: var(--border-radius);
            overflow: hidden;
            margin: 16px auto 40px;
            max-width: 1160px;
            width: 100%;
            box-sizing: border-box;
        }
        
        /* 背景动态数据可视化 */
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            overflow: hidden;
        }
        
        .hero-bg::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle, rgba(203, 18, 18, 0.1) 2px, transparent 2px);
            background-size: 30px 30px;
            animation: moveBackground 30s linear infinite;
        }
        
        /* 决策点动画 */
        .hero-bg .decision-point {
            position: absolute;
            width: 8px;
            height: 8px;
            background-color: var(--primary-color);
            border-radius: 50%;
            opacity: 0;
            animation: pulse 4s infinite ease-in-out;
        }
        
        @keyframes moveBackground {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 300px 300px;
            }
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: scale(0.5);
                opacity: 0;
            }
            50% {
                transform: scale(1.5);
                opacity: 0.8;
            }
        }
        
        /* Banner 内容 */
        .hero-content {
            position: relative;
            text-align: center;
            z-index: 2;
            max-width: 820px;
            padding: 0 24px;
        }
        
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-color);
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: none;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .hero-subtitle {
            font-size: 20px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 32px;
            text-shadow: none;
        }
        
        /* 决策分类入口 */
        .decision-categories {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin: 40px 0;
            flex-wrap: wrap;
        }
        
        .decision-card {
            background-color: var(--card-color);
            border-radius: var(--border-radius);
            padding: 32px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
            flex: 1;
            min-width: 240px;
            max-width: 280px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            cursor: pointer;
            backdrop-filter: blur(5px);
        }
        
        .decision-card:hover {
            transform: translateY(-6px) scale(1.02);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
            border-color: rgba(0, 0, 0, 0.1);
        }
        
        .decision-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
        }
        
        /* 所有卡片统一为红色顶部边框 */
        .decision-card:nth-child(1)::before,
        .decision-card:nth-child(2)::before,
        .decision-card:nth-child(3)::before,
        .decision-card:nth-child(4)::before {
            background: var(--gradient-primary);
        }
        
        /* 决策徽章样式 */
        .decision-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            z-index: 1;
        }
        
        /* 发布入口样式 */
        .publish-entry {
            margin-top: 24px;
            width: 100%;
            max-width: 600px;
        }
        
        .publish-input-container {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
        }
        
        .publish-input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid #E0E6ED;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-color);
            transition: border-color 0.3s ease;
        }
        
        .publish-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(23, 128, 239, 0.1);
        }
        
        .publish-button {
            padding: 12px 24px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .publish-button:hover {
            background-color: #1779d1;
        }
        
        .publish-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .tag-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        
        .suggested-tag {
            padding: 6px 12px;
            background-color: #F5F7FA;
            color: var(--text-color);
            border: 1px solid #E0E6ED;
            border-radius: 16px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .suggested-tag:hover {
            background-color: rgba(23, 128, 239, 0.1);
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .suggested-tag.active {
            background-color: rgba(23, 128, 239, 0.1);
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        /* 决策分类卡片基础样式 */
        .decision-categories {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }
        
        .decision-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            height: 100%;
        }
        
        .decision-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        }
        

        
        /* 标题和问题描述 */
        .decision-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-color);
            margin-bottom: 12px;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            letter-spacing: -0.02em;
        }
        
        .decision-problem {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.5;
        }
        
        /* 统计数据样式 */
        .decision-stats {
            margin-bottom: 24px;
            width: 100%;
        }
        
        .stats-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        
        .count-highlight {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .count-label {
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .trust-stats {
            margin-top: 4px;
        }
        
        .trust-score {
            font-size: 16px;
            font-weight: 700;
            color: var(--success-color);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .trust-icon {
            display: inline-block;
            width: 16px;
            height: 16px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%234CAF50'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
        }
        
        .success-rate {
            font-size: 12px;
            color: var(--text-secondary);
        }
        
        /* 解决方案标签 */
        .decision-solutions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            margin-top: auto;
        }
        
        .solution-tag {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--text-color);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 16px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        
        .decision-card .solution-tag:hover  {
            background-color: var(--primary-color-light);
            color: var(--primary-color);
        }
        
        /* 响应式调整 */
        @media (max-width: 1200px) {
            .decision-categories {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .decision-categories {
                grid-template-columns: 1fr;
            }
        }
        
        .career-icon .decision-stats .count {
            color: var(--secondary-color);
        }
        
        .family-icon .decision-stats .count {
            color: var(--success-color);
        }
        
        .skill-icon .decision-stats .count {
            color: var(--warning-color);
        }

        /* 主内容区 */
        main {
            padding: 24px 0;
        }

        .page-header {
            margin-bottom: 24px;
        }

        .page-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-color);
            margin-bottom: 8px;
        }

        .page-description {
            font-size: 16px;
            color: var(--text-secondary);
        }
        

        /* 营养决策下面的二栏布局样式 - 确保左右版布局正确显示 */
        .two-column-layout {
            display: flex;
            gap: 24px;
            flex-wrap: nowrap;
        }

        .main-content {
            flex: 1;
            min-width: 0;
        }
        
   .feed-container {
    background-color: var(--card-color) !important;
    border-radius: 12px !important;
    padding: 40px !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1) !important;
    margin: 10px auto !important;
    max-width: 1200px !important;
}

.feed-container h2 {
    text-align: center !important;
    margin-bottom: 40px !important;
    color: var(--secondary-color) !important;
    font-size: 28px !important;
    font-weight: bold !important;
}

.feed-item {
    padding: 30px !important;
    border-bottom: 1px solid var(--border-color) !important;
    margin-bottom: 40px !important;
    background-color: white !important;
    border-radius: 8px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}

.feed-item:last-child {
    border-bottom: none !important;
    margin-bottom: 0 !important;
}

.feed-header {
    display: flex !important;
    align-items: center !important;
    margin-bottom: 25px !important;
}

        .sidebar {
            width: 320px;
            flex-shrink: 0;
        }
        
        /* 确保在各种屏幕尺寸下左右版布局都能正确显示 */
        @media (min-width: 992px) {
            .two-column-layout {
                flex-wrap: nowrap !important;
            }
        }
        
        @media (max-width: 991px) {
            .two-column-layout {
                flex-wrap: wrap;
            }
            
            .sidebar {
                width: 100%;
            }
        }

        /* 圈子介绍 */
        .community-info {
            background-color: var(--card-color);
            border-radius: var(--border-radius);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-light);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .community-avatar {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 32px;
            font-weight: 700;
        }

        .community-details {
            flex: 1;
        }

        .community-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-color);
            margin-bottom: 4px;
        }

        .community-stats {
            display: flex;
            gap: 20px;
            margin-bottom: 12px;
        }

        .community-stat {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--text-secondary);
        }

        .community-stat strong {
            color: var(--text-color);
            font-weight: 600;
        }

        .community-desc {
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .community-actions {
            display: flex;
            gap: 12px;
        }

        .join-btn {
            padding: 8px 20px;
            background: var(--gradient-primary);
            color: white;
            border: none;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .join-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(203, 18, 18, 0.2);
        }

        .share-btn {
            padding: 8px 20px;
            background-color: var(--card-color);
            color: var(--text-color);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .share-btn:hover {
            background-color: var(--hover-bg);
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        /* 学员朋友圈 */
        .feed-container {
            background-color: var(--card-color);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--shadow-light);
        }

        .feed-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .feed-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-color);
        }

        .feed-filter {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .filter-btn {
            padding: 6px 16px;
            background-color: var(--hover-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            color: var(--text-color);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-btn.active {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
        }

        .filter-btn:hover:not(.active) {
            background-color: var(--border-color);
        }

        /* 朋友圈内容 */
        .feed-items {
            margin-bottom: 24px;
        }

        .feed-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feed-item:last-child {
            border-bottom: none;
        }

        /* 鼠标悬停红色激活线效果 */
        .feed-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), #ff6b6b);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feed-item:hover {
            transform: translateX(4px);
        }

        .feed-item:hover::before {
            transform: scaleX(1);
        }

        .feed-header-content {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .feed-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            font-size: 18px;
        }

        .feed-user-info {
            flex: 1;
        }

        .feed-username {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-color);
            margin-bottom: 2px;
        }

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

        .feed-time {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .feed-content {
            margin-bottom: 16px;
        }

        .feed-content p {
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-color);
            margin-bottom: 12px;
        }

        .content-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .content-tag {
            padding: 4px 12px;
            background-color: var(--hover-bg);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }

        .content-tag:hover {
            background-color: var(--border-color);
        }

        .content-tag.skill {
            background-color: rgba(24, 144, 255, 0.05);
            color: var(--secondary-color);
        }

        .content-tag.skill:hover {
            background-color: rgba(24, 144, 255, 0.1);
        }

        .content-tag.career {
            background-color: rgba(203, 18, 18, 0.05);
            color: var(--primary-color);
        }

        .content-tag.career:hover {
            background-color: rgba(203, 18, 18, 0.1);
        }

        .content-tag.family {
            background-color: rgba(82, 196, 26, 0.05);
            color: var(--success-color);
        }

        .content-tag.family:hover {
            background-color: rgba(82, 196, 26, 0.1);
        }

        .content-tag.health {
            background-color: rgba(250, 173, 20, 0.05);
            color: var(--warning-color);
        }

        .content-tag.health:hover {
            background-color: rgba(250, 173, 20, 0.1);
        }

        /* 精选案例样式 */
        .featured-case {
            padding-left: 0;
            margin-left: 0;
            transition: all 0.3s ease;
            background-color: rgba(255, 255, 255, 0.5);
        }
        
        .featured-case:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            background-color: white;
        }
        
        .case-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-color);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        .case-title:hover {
            color: var(--primary-color);
        }
        
        /* 调整feed-item间距，确保第一屏能显示3个案例 */
        .feed-item {
            margin-bottom: 24px;
            padding: 16px 0;
        }

        /* 图片布局系统 - 固定尺寸正方形图片优化 */
        
        /* 确保图片区域与交互区域完全分离 */
        .feed-content {
            margin-bottom: 20px;
        }
        
        /* 统一的固定尺寸200*200正方形图片 */
        .feed-image {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: #555;
            background: linear-gradient(135deg, #f8f9fa 25%, #e9ecef 25%, #e9ecef 50%, #f8f9fa 50%, #f8f9fa 75%, #e9ecef 75%, #e9ecef 100%);
            background-size: 24px 24px;
            animation: moveBackground 25s linear infinite;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            position: relative;
            width: 200px;
            height: 200px;
            flex-shrink: 0;
            border: 1px solid #eaeaea;
        }
        
        /* 图片悬停效果 */
        .feed-image:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        
        /* 内容标识样式 */
        .case-title {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: #000; /* 标题设置为黑色 */
        }
        
        /* 决策案例标签样式 - 黄色背景 */
        .case-title::before {
            content: '[决策案例]';
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.85em;
            font-weight: normal;
            background-color: var(--warning-color); /* 黄色背景 */
            color: white; /* 文字白色 */
        }
        
        /* 解决案例标题下划线问题，优化可点击交互体验 */
        .case-link {
            text-decoration: none !important;
            display: inline-block;
            position: relative;
        }
        
        .case-link .case-title {
            color: #000; /* 标题黑色 */
            transition: color 0.3s ease;
        }
        
        /* 鼠标悬停效果 */
        .case-link:hover .case-title {
            color: var(--primary-color); /* 悬停时变为红色 */
        }
        
        /* 确保所有状态下都没有下划线 */
        .case-link,
        .case-link:link,
        .case-link:visited,
        .case-link:hover,
        .case-link:active,
        .case-link:focus,
        .feed-item a.case-link,
        .feed-item a.case-link:hover,
        .feed-content a.case-link,
        .feed-content a.case-link:hover {
            text-decoration: none !important;
        }
        
        /* 点击时移除下划线 */
        .case-link:active::after {
            content: none !important;
        }
        
        /* 推荐区域样式 */
        .related-recommendations {
            margin-top: 15px;
            padding: 0;
            background-color: transparent;
        }
        
        .qa-recommendations, .expert-recommendations {
            margin-bottom: 12px;
        }
        
        .qa-recommendations:last-child, .expert-recommendations:last-child {
            margin-bottom: 0;
        }
        
        .section-subtitle {
            font-size: 16px;
            color: var(--primary-color);
            margin-bottom: 12px;
            font-weight: 700;
            padding-left: 8px;
            border-left: 3px solid var(--primary-color);
            letter-spacing: 0.5px;
        }
        
        .section-subtitle::before {
            display: none;
        }
        
        .qa-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .qa-item {
            margin-bottom: 8px;
        }
        
        .qa-item:last-child {
            margin-bottom: 0;
        }
        
        .qa-link {
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
            display: block;
            padding: 10px 12px;
            font-size: 14px;
            letter-spacing: 0.6px;
            line-height: 1.5;
        }
        
        .qa-link:hover {
            color: var(--primary-color);
            background-color: var(--hover-bg);
        }
        
        /* 专家卡片样式 */
        .experts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
            gap: 10px;
        }
        
        .expert-card {
            padding: 8px 6px;
            border-radius: var(--border-radius);
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            background-color: var(--card-color);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        
        .expert-card:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            background-color: #f8f9fa;
        }
        
        .expert-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 22px;
            font-weight: bold;
            margin: 0 auto 8px;
            position: relative;
        }
        
        .expert-avatar::after {
            content: '';
            position: absolute;
            bottom: 3px;
            right: 3px;
            width: 8px;
            height: 8px;
            background-color: #4CAF50;
            border: 2px solid white;
            border-radius: 50%;
        }
        
        .expert-name {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-color);
            letter-spacing: 0.3px;
        }
        
        .expert-title {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            letter-spacing: 0.2px;
        }
        
        .expert-avatar.red {
            background: var(--gradient-primary);
        }
        
        .expert-avatar.blue {
            background: var(--gradient-secondary);
        }
        
        .expert-avatar.green {
            background-color: var(--success-color);
        }
        
        .expert-avatar.purple {
            background-color: #722ed1;
        }
        
        .expert-name {
            font-weight: bold;
            margin-bottom: 4px;
            color: var(--text-color);
        }
        
        .expert-title {
            font-size: 12px;
            color: var(--text-secondary);
        }
        
        /* 课程卡片样式 */
        .course-recommendations {
            margin-top: 20px;
        }
        
        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
            gap: 10px;
            margin-top: 10px;
        }
        
        .course-card {
            padding: 8px 6px;
            border-radius: var(--border-radius);
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            background-color: var(--card-color);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        
        .course-card:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            background-color: #f8f9fa;
        }
        
        .course-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 22px;
            font-weight: bold;
            margin: 0 auto 8px;
        }
        
        .course-avatar.green {
            background-color: var(--success-color);
        }
        
        .course-avatar.purple {
            background-color: #722ed1;
        }
        
        .course-avatar.yellow {
            background-color: var(--warning-color);
            color: #333;
        }
        
        .course-name {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-color);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            letter-spacing: 0.3px;
        }
        
        .course-info {
            font-size: 12px;
            color: var(--primary-color);
            font-weight: 500;
            letter-spacing: 0.2px;
        }
        
        /* 教练/课程合并区域样式 */
        .coach-course-section {
            margin-top: 15px;
        }
        
        .coach-course-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-top: 12px;
        }
        
        /* 优化span标签显示 - 正方形图片文字内容 */
        .feed-image span {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px;
            background: linear-gradient(0deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 100%);
            color: white;
            text-align: center;
            font-size: 14px;
            line-height: 1.4;
            transition: all 0.3s ease;
            z-index: 1;
        }
        
        /* 单图布局 - 优化居中展示 */
        .image-single {
            display: flex !important;
            justify-content: center !important;
            align-items: center !important;
            margin: 20px 0 !important;
            padding: 20px !important;
            background: #f8f9fa !important;
            border-radius: 16px !important;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
            /* 覆盖style.css中的padding-bottom设置，确保容器不会被拉伸成长条形 */
            padding-bottom: 0 !important;
            height: auto !important;
        }
        
        .image-single .feed-image {
            width: 200px !important;
            height: 200px !important;
            min-height: 200px !important;
            max-height: 200px !important;
            /* 确保flex-shrink不生效，保持固定尺寸 */
            flex-shrink: 0 !important;
        }
        
        /* 二图布局 - 优化并排展示 */
        .image-pair {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin: 20px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .image-pair .feed-image {
            width: 200px;
            height: 200px;
        }
        
        /* 三图布局 - 正方形网格展示 */
        .image-triple {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin: 20px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .image-triple .feed-image {
            width: 200px;
            height: 200px;
        }
        
        /* 四图布局 - 2x2正方形网格 */
        .image-multi.four-images {
            display: grid;
            grid-template-columns: 200px 200px;
            gap: 16px;
            justify-content: center;
            margin: 20px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .image-multi.four-images .feed-image {
            width: 200px;
            height: 200px;
        }
        
        /* 交互区域样式 */
        .feed-actions {
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid #f0f0f0;
            display: flex;
            justify-content: space-between;
        }
        
        /* 图片装饰元素 */
        .feed-image::before {
            content: '';
            position: absolute;
            top: -5px;
            left: -5px;
            right: -5px;
            bottom: -5px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 14px;
            z-index: 1;
            pointer-events: none;
            transition: all 0.3s ease;
        }
        
        .feed-image:hover::before {
            border-color: rgba(255, 255, 255, 0.9);
            top: -8px;
            left: -8px;
            right: -8px;
            bottom: -8px;
        }
        
        /* 图片角落装饰 */
        .feed-image::after {
            content: '';
            position: absolute;
            top: 8px;
            right: 8px;
            width: 24px;
            height: 24px;
            border-top: 2px solid rgba(255, 255, 255, 0.8);
            border-right: 2px solid rgba(255, 255, 255, 0.8);
            opacity: 0.6;
            transition: all 0.3s ease;
        }
        
        .feed-image:hover::after {
            opacity: 1;
            top: 12px;
            right: 12px;
        }

        /* 定义动画 */
        @keyframes moveBackground {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 100px 100px;
            }
        }

        /* 互动按钮 */
        .feed-actions {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 0 5px;
        }

        .feed-action {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            padding: 4px 12px;
            border-radius: 16px;
        }

        .feed-action:hover {
            background-color: var(--hover-bg);
            color: var(--primary-color);
        }

        .feed-action.liked {
            color: var(--primary-color);
        }

        .feed-action.favorited {
            color: var(--warning-color);
        }
        
        .subcategories {
            margin-bottom: 30px;
        }
        .subcategory-title {
            font-size: 14px;
            font-weight: normal;
            margin-bottom: 8px;
            color: var(--secondary-color);
            opacity: 0.8;
        }
        
        .subcategories-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        /* 统一的二级分类项目样式 */
        .skill-item, .career-item, .family-item, .health-item {
            padding: 6px 14px;
            background-color: #f5f5f5;
            border-radius: 8px;
            border: 1px solid #eeeeee;
            font-size: 13px;
            color: var(--text-color);
            opacity: 0.85;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        
        /* 统一的激活状态样式 */
        .skill-item.active, .career-item.active, .family-item.active, .health-item.active {
            background-color: var(--primary-color);
            color: white;
            opacity: 1;
            border-color: var(--primary-color);
        }
        
        /* 统一的悬停效果 */
        .skill-item:hover, .career-item:hover, .family-item:hover, .health-item:hover {
            background-color: #f0f0f0;
            border-color: #e0e0e0;
            opacity: 1;
            transform: translateY(-1px);
        }
        
        /* 统一的点击效果 */
        .skill-item:active, .career-item:active, .family-item:active, .health-item:active {
            transform: translateY(0);
        }