body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.transparent_class {
    filter: alpha(opacity=95);
    -moz-opacity: 0.95;
    -khtml-opacity: 0.95;
    opacity: 0.95;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    margin: 20px;
    padding: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.layui-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.layui-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.3);
}

.layui-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    border: none;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.layui-card-header h3 {
    margin: 0;
    font-size: 1.2em;
}

.layui-card-header a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.layui-card-header a:hover {
    opacity: 0.8;
}

.project-list-item {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.project-list-item:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transform: translateY(-8px) scale(1.02);
}

.project-list-item .project-list-item-cover {
    width: 100%;
    height: 200px;
    display: block;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-list-item:hover .project-list-item-cover {
    transform: scale(1.05);
}

.project-list-item-body {
    padding: 25px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0.95));
}

.project-list-item .project-list-item-body > h2 {
    font-size: 1.3em;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.project-list-item .project-list-item-body > h2 a {
    color: inherit;
    text-decoration: none;
}

.project-list-item .project-list-item-body > h2 a:hover {
    color: #667eea;
}

.project-list-item .project-list-item-text {
    height: auto;
    max-height: 66px;
    overflow: hidden;
    margin-bottom: 15px;
    color: #666;
    line-height: 1.6;
    font-size: 0.95em;
}

.project-list-item .project-list-item-desc {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.project-list-item .project-list-item-desc .time {
    color: #7f8c8d;
    font-size: 0.85em;
    font-weight: 500;
}

.project-list-item .project-list-item-desc .ew-head-list {
    position: static;
    display: flex;
    align-items: center;
}

.project-list-item-desc {
    min-height: auto;
}

.ew-head-list .ew-head-list-item {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-left: -8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.ew-head-list .ew-head-list-item:hover {
    transform: scale(1.2);
    z-index: 10;
}

.ew-head-list .ew-head-list-item:first-child {
    margin-left: 0;
}

.article-list-item-tool-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #7f8c8d;
    font-size: 0.85em;
    padding: 4px 8px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.article-list-item-tool-item:hover {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.layui-tab-brief > .layui-tab-title .layui-this {
    color: #667eea;
}

.layui-tab-brief > .layui-tab-more li.layui-this:after, .layui-tab-brief > .layui-tab-title .layui-this:after {
    border-bottom: 2px solid #667eea;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .transparent_class {
        margin: 10px;
        padding: 15px;
    }
    
    .project-list-item .project-list-item-cover {
        height: 180px;
    }
    
    .project-list-item-body {
        padding: 20px;
    }
    
    .project-list-item .project-list-item-body > h2 {
        font-size: 1.1em;
    }
}

/* 加载动画 */
.layui-col-md3 {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

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

/* 为不同列添加延迟动画 */
.layui-col-md3:nth-child(1) { animation-delay: 0.1s; }
.layui-col-md3:nth-child(2) { animation-delay: 0.2s; }
.layui-col-md3:nth-child(3) { animation-delay: 0.3s; }
.layui-col-md3:nth-child(4) { animation-delay: 0.4s; }