/* 基础样式重置 */
.col-lg-9 {
    width: 100%;
}
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

/* 下拉框样式 */
.Support_direction_ctn_select_box {
    position: relative;
    margin-bottom: 20px;
}

.Support_direction_ctn_select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
    cursor: pointer;
    position: relative;
}

.Support_direction_ctn_select::after {
    content: "▼";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
}

.drop_down_box, .drop_down_box2 {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-top: none;
    background-color: #fff;
    z-index: 1000;
    list-style: none;
    padding: 0;
    margin: 0;
    border-radius: 0 0 4px 4px;
}

.drop_down_box li, .drop_down_box2 li {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.drop_down_box li:hover, .drop_down_box2 li:hover {
    background-color: #f5f5f5;
}

/* 内容区域样式 */
.Support_direction_ctn_txt {
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 4px;
    margin-top: 10px;
}

.Support_direction_ctn_time {
    color: #666;
    font-size: 14px;
    margin-top: 8px;
    font-style: italic;
    text-align: right;
    padding-right: 10px;
}

/* 标题样式 */
.Support_direction_title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #2c3e50;
}