/* 基础样式 */
.pricesPolylines {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #333;
    padding: 20px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    margin: 20px 0;
}

.modTitle {
    font-size: 24px;
    color: #2c5f96;
    margin-bottom: 30px;
    text-align: center;
}

.datesecarch {
    margin-bottom: 25px;
}

/* 下拉选择框 */
.form-select {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 8px 12px;
    width: 180px;
}

/* 日期输入框 */
.date-input {
    border: 1px solid #ddd;
    padding: 6px;
    border-radius: 4px;
    margin: 0 5px;
    width: 130px;
}

/* 搜索按钮 */
.chart-btn {
    background: #2c5f96;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
}

/* 小按钮（登录/注册），采用浅灰色背景 */
.small-btn {
    background: #f0f0f0;
    border: none;
    color: #2c5f96;
    font-size: 0.9em;
    cursor: pointer;
    margin-left: 5px;
    padding: 4px 8px;
    border-radius: 3px;
}

/* 历史价格列表 */
.singleDayList {
    max-height: 400px;
    overflow-y: auto;
}

/* 单行布局 */
.singleDayFlex {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

/* 市场单位文字 */
.unit-info span:first-child {
    font-weight: bold;
    margin-right: 10px;
}

/* 辅助类 */
.floatL {
    float: left;
}

.mr_15 {
    margin-right: 15px;
}

.dateBox {
    display: none;
}

.dateItemleft {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.dateMonth p,
.dateCustomize p {
    margin: 0 10px 0 0;
}

.dateBox span {
    margin: 0 5px;
}