/* ============================================================
   望塬远系列·望远系统
   文件名称：style.css (全局核心样式表)
   系统版本：v1.0.1_20260620
   版权声明：© 望塬远系列·望远系统
   ============================================================ */

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f5f5f5;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

/* 容器宽度1200px居中 */
.container {
    width: 1200px;
    margin: 0 auto;
}

/* ========== 第一行：5列图片/视频轮播 ========== */
.row-top {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.col-top {
    flex: 1;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.col-top:hover {
    transform: translateY(-5px);
}

.col-top img, .col-top video {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.col-top .caption {
    padding: 12px;
    font-size: 14px;
    color: #333;
    text-align: center;
    background: #fff;
}

/* 视频播放器样式 */
.col-top video {
    background: #000;
}

/* 第二行：3列，每列垂直排列 */
.row-middle {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}
.col-middle {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.post-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}
.post-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

/* ========== 第三行：3列帖子标题列表 ========== */
.row-bottom {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.col-bottom {
    flex: 1;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.col-bottom h3 {
    font-size: 18px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #2d8cf0;
    color: #333;
}

.col-bottom ul {
    list-style: none;
}

.col-bottom li {
    margin-bottom: 12px;
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
}

.col-bottom li a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
    display: block;
    transition: color 0.2s;
}

.col-bottom li a:hover {
    color: #2d8cf0;
}

.col-bottom .post-date {
    font-size: 11px;
    color: #bbb;
    margin-top: 4px;
}

/* 响应式 */
@media (max-width: 1200px) {
    .container {
        width: 95%;
    }
}

@media (max-width: 768px) {
    .row-top, .row-middle, .row-bottom {
        flex-direction: column;
    }
}