:root {
    --primary-color: #0077cc;
    --primary-dark: #005fa3;
    --secondary-color: #00d0ff;
    --accent-color: #00ffaa;
    --dark-bg: #080d14;
    --dark-panel: #111a29;
    --panel-bg: rgba(17, 26, 41, 0.8);
    --card-bg: rgba(25, 38, 60, 0.7);
    --card-hover: rgba(35, 48, 75, 0.8);
    --text-primary: #e4e6eb;
    --text-secondary: #a0a5b0;
    --glow-effect: 0 0 15px rgba(0, 208, 255, 0.5);
    --transition: all 0.3s ease;
    --blur-effect: 10px;
    --card-border: 1px solid rgba(0, 208, 255, 0.2);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --tech-gradient: linear-gradient(135deg, #0077cc, #00d0ff);
    --compact-spacing: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 119, 204, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 208, 255, 0.1) 0%, transparent 40%),
        linear-gradient(135deg, #080d14 0%, #0a1525 100%);
    background-attachment: fixed;
    line-height: 1.6;
    padding: 12px;
    padding-bottom: 60px;
    position: relative;
    overflow-x: hidden;
}

/* 添加背景网格线效果 */
body:before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 208, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 208, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

/* 添加动态流光边框效果 */
@keyframes borderFlow {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 200% 0%;
    }
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5px;
}

/* Enhanced Header Styles */
header {
    position: relative;
    margin-bottom: 15px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--card-shadow), 
                0 0 20px rgba(0, 208, 255, 0.2);
    backdrop-filter: blur(var(--blur-effect));
    -webkit-backdrop-filter: blur(var(--blur-effect));
    border: var(--card-border);
}

.header-content {
    position: relative;
    z-index: 2;
    padding: 15px;
    color: white;
    text-align: center;
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 77, 122, 0.8), rgba(0, 144, 204, 0.8));
    z-index: 1;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 添加光束效果 */
.header-bg:after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(0, 208, 255, 0.15) 0%, transparent 40%);
    animation: rotate 30s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 208, 255, 0.5);
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
}

h1:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    border-radius: 3px;
}

/* Modern Tool Categories */
.tool-category {
    margin-bottom: 15px;
    background: var(--panel-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(var(--blur-effect));
    -webkit-backdrop-filter: blur(var(--blur-effect));
    border: var(--card-border);
    position: relative;
}

.tool-category:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.tool-category:hover:before {
    opacity: 1;
}

.tool-category:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 208, 255, 0.2);
    transform: translateY(-3px);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: linear-gradient(90deg, var(--dark-panel), rgba(25, 38, 60, 0.7));
    border-bottom: 1px solid rgba(0, 208, 255, 0.1);
    position: relative;
}

.category-header h2 {
    margin: 0;
    padding: 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    text-shadow: 0 0 10px rgba(0, 208, 255, 0.5);
}

.category-header h2 i {
    margin-right: 10px;
    color: var(--secondary-color);
    filter: drop-shadow(0 0 3px rgba(0, 208, 255, 0.5));
}

/* 子分类标签栏样式增强 */
.subcategory-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    justify-content: flex-start;
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 2px 0 2px 15px;
    background: transparent;
}

.subcategory-tabs::-webkit-scrollbar {
    display: none;
}

.subcategory-tab {
    border: 1px solid rgba(0, 208, 255, 0.3);
    background: rgba(17, 26, 41, 0.7);
    padding: 4px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.subcategory-tab:hover {
    background: rgba(35, 48, 75, 0.8);
    color: var(--text-primary);
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0, 208, 255, 0.3);
}

.subcategory-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 15px rgba(0, 208, 255, 0.4);
}

.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    padding: 15px;
}

/* 高科技工具卡片样式 */
.tool-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    align-items: center;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
    cursor: pointer;
    overflow: hidden;
    border: 1px solid rgba(0, 208, 255, 0.1);
    z-index: 1;
    min-height: 56px;
    max-width: 170px;
}

.tool-card:hover {
    transform: translateY(-3px) scale(1.02);
    background: var(--card-hover);
    border-color: var(--secondary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), var(--glow-effect);
}

.tool-card:active {
    transform: translateY(1px) scale(0.98);
}

/* 添加工具卡片光晕效果 */
.tool-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 208, 255, 0.1), transparent 70%);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.tool-card:hover:before {
    opacity: 1;
}

/* 工具图标样式 */
.tool-icon {
    background: var(--tech-gradient);
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    flex-shrink: 0;
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3), 
                0 0 10px rgba(0, 208, 255, 0.5);
    position: relative;
    overflow: hidden;
}

/* 添加外部图标样式 */
.tool-icon .external-icon {
    width: 20px;
    height: 20px;
    object-fit: contain; /* 保持图标比例 */
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.3)); /* 添加阴影效果 */
    border-radius: 3px; /* 轻微的圆角 */
}

/* 图标闪光效果 */
.tool-icon:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.tool-card:hover .tool-icon:after {
    transform: translateX(100%);
}

.tool-info {
    flex: 1;
}

.tool-info h3 {
    margin-bottom: 2px;
    color: var(--text-primary);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    letter-spacing: 0.2px;
}

.tool-info p {
    color: var(--text-secondary);
    font-size: 0.68rem;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.tool-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* lytoday容器样式增强 - 添加折叠功能 */
.lytoday-container {
    margin: 0 0 15px;
    padding: 0; /* 移除内边距 */
    background: var(--panel-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(var(--blur-effect));
    -webkit-backdrop-filter: blur(var(--blur-effect));
    border: var(--card-border);
    transition: var(--transition);
    overflow: hidden; /* 确保折叠内容不会溢出 */
}

.lytoday-container:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 208, 255, 0.2);
}

/* 今日热点标题栏 */
.lytoday-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: linear-gradient(90deg, var(--dark-panel), rgba(25, 38, 60, 0.7));
    border-bottom: 1px solid rgba(0, 208, 255, 0.1);
    cursor: pointer;
}

.lytoday-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.lytoday-header h3 i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.lytoday-toggle {
    color: var(--secondary-color);
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

/* 内容容器 */
.lytoday-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
}

/* 展开状态 */
.lytoday-container.expanded .lytoday-content {
    max-height: 1000px; /* 足够大的高度以适应内容 */
    padding: 15px;
}

.lytoday-container.expanded .lytoday-toggle {
    transform: rotate(180deg);
}

/* 优化搜索框样式 */
.search-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-engines {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 5px;
    flex-wrap: wrap;
}

.engine-btn {
    background: rgba(25, 38, 60, 0.7);
    border: 1px solid rgba(0, 208, 255, 0.2);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.engine-btn:hover {
    background: rgba(35, 48, 75, 0.8);
    color: var(--text-primary);
    border-color: rgba(0, 208, 255, 0.5);
    box-shadow: 0 0 10px rgba(0, 208, 255, 0.2);
}

.engine-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 15px rgba(0, 208, 255, 0.3);
    font-weight: bold;
}

/* 搜索相关样式 */
.search-input-wrapper {
    display: flex;
    position: relative;
    width: 100%;
}

#search-input {
    flex: 1;
    padding: 10px 40px 10px 15px;
    border-radius: 25px;
    border: 2px solid rgba(0, 208, 255, 0.3);
    background: rgba(17, 26, 41, 0.7);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#search-input::placeholder {
    color: rgba(160, 165, 176, 0.7);
}

#search-input:focus {
    background: rgba(25, 38, 60, 0.8);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 208, 255, 0.3);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--secondary-color);
    font-size: 1.1rem;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-btn:hover {
    color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
    text-shadow: 0 0 10px rgba(0, 208, 255, 0.7);
}

/* 搜索清除按钮 */
.search-clear-btn {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 5px;
    display: none;
    z-index: 2;
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

/* 无搜索结果样式 */
.no-search-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    background: rgba(25, 38, 60, 0.4);
    border-radius: 10px;
    margin: 20px;
    border: 1px solid rgba(0, 208, 255, 0.2);
    backdrop-filter: blur(var(--blur-effect));
    -webkit-backdrop-filter: blur(var(--blur-effect));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.no-search-results i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    opacity: 0.5;
}

.no-search-results p {
    font-size: 1.1rem;
}

/* 搜索高亮和动画 */
.search-highlighted {
    border-color: var(--secondary-color) !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 208, 255, 0.3) !important;
}

@keyframes searchAppear {
    from {
        opacity: 0.5;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-appear {
    animation: searchAppear 0.3s ease forwards;
}

/* 科技感底部导航 */
footer {
    background: rgba(17, 26, 41, 0.8);
    border-radius: 0;
    padding: 12px 20px;
    margin-top: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(var(--blur-effect));
    -webkit-backdrop-filter: blur(var(--blur-effect));
    border: none;
    border-top: 1px solid rgba(0, 208, 255, 0.1);
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: center;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-link:hover {
    color: var(--secondary-color);
    text-shadow: 0 0 8px rgba(0, 208, 255, 0.5);
}

.icp-info {
    font-size: 0.8rem;
}

.system-info {
    margin-top: 5px;
    display: flex;
    gap: 20px;
    justify-content: center;
    color: var(--text-secondary);
}

#currentTime {
    position: relative;
}

#currentTime:before {
    content: '⏱';
    margin-right: 5px;
    color: var(--secondary-color);
}

.status-normal {
    color: #00ffaa;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(0, 255, 170, 0.5);
}

/* 添加闪烁的连接指示器 */
@keyframes blink {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

#systemStatus:before {
    content: '•';
    display: inline-block;
    color: #00ffaa;
    margin-right: 5px;
    animation: blink 1.5s infinite;
    text-shadow: 0 0 8px rgba(0, 255, 170, 0.5);
}

/* 自定义滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(17, 26, 41, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 119, 204, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 208, 255, 0.7);
}

/* 响应式优化 - 保持原有的响应式规则，并扩展科技感视觉 */
@media (max-width: 768px) {
    .tools-container {
        grid-template-columns: repeat(3, 1fr); /* 中等屏幕显示3列 */
        gap: 8px;
    }
    
    /* 缩小卡片内边距，以适应两列布局 */
    .tool-card {
        padding: 8px;
    }
    
    .tool-icon {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
        margin-right: 8px;
    }
    
    .tool-info h3 {
        font-size: 0.8rem; /* 手机端更小字体 */
    }
    
    .tool-info p {
        font-size: 0.7rem; /* 手机端更小字体 */
    }
    
    footer {
        flex-wrap: wrap; /* 在极小屏幕上允许换行 */
    }
    
    .footer-content p {
        margin: 2px 0;
    }
    
    .footer-left {
        text-align: center;
    }
    
    .system-info {
        width: 100%;
        justify-content: center;
        font-size: 0.8rem;
    }
    
    h1 {
        font-size: 1.4rem;
    }
    
    .tool-card {
        padding: 10px;
    }
    
    .tool-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 5px;
    }
    
    .header-content {
        padding: 15px 10px;
    }
    
    body {
        padding: 5px;
        padding-bottom: 60px;
    }
    
    .category-header {
        flex-direction: row; /* 保持水平布局 */
        flex-wrap: nowrap; /* 不允许换行 */
        align-items: center;
        overflow-x: auto;
    }
    
    .category-header h2 {
        margin-bottom: 0; /* 去除底部间距 */
        font-size: 0.85rem; /* 更小的字体 */
        white-space: nowrap; /* 防止文字换行 */
        margin-right: 8px; /* 与子分类间的间距 */
    }
    
    .subcategory-tabs {
        padding-left: 0;
        justify-content: flex-start;
    }
    
    .subcategory-tab {
        padding: 2px 6px; /* 更小的内边距 */
        font-size: 0.75rem; /* 更小的字体 */
    }
    
    .search-container {
        width: 95%;
    }
    
    .search-engines {
        gap: 5px;
    }
    
    .engine-btn {
        padding: 3px 6px;
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .tools-container {
        grid-template-columns: repeat(2, 1fr); /* 小屏幕显示2列 */
        padding: 6px;
        gap: 6px;
    }
    
    .tool-card {
        padding: 6px;
        border-radius: 10px;
    }
    
    .tool-icon {
        width: 24px;
        height: 24px;
        font-size: 0.8rem;
        border-radius: 6px;
        margin-right: 6px;
    }
    
    .tool-info h3 {
        font-size: 0.75rem; /* 手机端更小字体 */
    }
    
    .tool-info p {
        font-size: 0.65rem; /* 手机端更小字体 */
    }
    
    .tool-category h2 {
        font-size: 0.95rem;
        padding: 10px;
    }
    
    .tools-container {
        padding: 8px;
        gap: 8px;
    }
    
    footer {
        padding: 8px;
    }
    
    .footer-content, .system-info {
        font-size: 0.75rem; /* 更小的字体 */
    }
    
    .footer-content {
        gap: 8px; /* 减小间距 */
    }
    
    h1 {
        font-size: 1.2rem;
    }
    
    body {
        padding: 6px;
        padding-bottom: 60px;
    }
    
    .category-header h2 {
        font-size: 0.85rem; /* 更小的字体 */
    }
    
    .subcategory-tab {
        padding: 2px 6px; /* 更小的内边距 */
        font-size: 0.75rem; /* 更小的字体 */
        border-radius: 10px;
    }
    
    .search-engines {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .engine-btn {
        margin-bottom: 3px;
    }
    
    .footer-content {
        gap: 10px;
    }
    
    .system-info {
        gap: 8px;
    }
    
    footer {
        padding: 8px 5px;
    }
    
    #currentTime, #systemStatus {
        font-size: 0.7rem;
    }
}

/* 添加专门针对非常小屏幕的优化 */
@media (max-width: 360px) {
    .tool-icon {
        width: 22px;
        height: 22px;
        font-size: 0.75rem;
    }
    
    .tool-info h3 {
        font-size: 0.75rem;
    }
    
    .tool-info p {
        font-size: 0.65rem;
    }
}

/* 粒子和光效背景 */
.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(0, 208, 255, 0.8) 0%, rgba(0, 119, 204, 0.3) 70%, transparent 100%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.3;
}

/* 卡片入场/退场动画 */
@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes cardExit {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
}

.card-enter {
    animation: cardEnter 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.card-exit {
    animation: cardExit 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* 数据加载指示器样式 */
#loading-indicator {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    font-style: italic;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#loading-indicator:after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 208, 255, 0.3);
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误信息样式 */
.error-message {
    padding: 20px;
    background: rgba(220, 53, 69, 0.2);
    color: #ff6b7f;
    border: 1px solid rgba(220, 53, 69, 0.3);
    border-radius: 10px;
    margin: 20px;
    text-align: center;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1100px) {
  .hot-activity-aside {
    display: none !important;
  }
}