<div class="sub-title">招租相关信息</div>.sub-title {font-size: 16px;text-align: left;color: #314790;font-weight: 700;position: relative;padding-left: 10px;margin-bottom: 20px;
}.sub-title::before {content: "";background-color: #3796ec;width: 3px;height: 18px;position: absolute;left: 0;top: 50%;margin-top: -9px;border-radius: 3px;
}

下面是 错误做法:  14号字体时能对齐 ,调整了字体大小 就无法对齐