/* 供需信息页样式 */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.filter-btn {
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    background-color: #f0f0f0;
    border-radius: 5px;
    font-size: 16px;
}

.filter-btn.active {
    background-color: red;
    color: white;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.article-card {
    padding: 15px;
    border-radius: 5px;
    cursor: pointer;
    color: white;
    font-size: 14px;
    text-align: center;
    font-weight: bold;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-card.red {
    background-color: red;
}

.article-card.blue {
    background-color: blue;
}


.article-card {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px 0;
    background-color: #fff;
    cursor: pointer;
    transition: background 0.3s;
}

.article-card:hover {
    background-color: #f5f5f5;
}


.article-card {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px;
    background-color: #fff;  /* 确保背景是白色 */
    color: #333;  /* 文字颜色设为深色 */
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.article-card h3, 
.article-card p {
    color: #333;  /* 让标题和日期变深色 */
}

body {
    padding-top: 50px; /* 和导航栏的高度一致 */
}