body{
    padding-top: 0.1px;
}

.bar {
    height: 10vw;
    line-height: 10vw;
    top: 0;
    position: fixed;
    right: 0;
    left: 0;
    z-index: 10;
    background-color: white;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    box-sizing: border-box;
}
.bar .title {
    background-color: #fff;
    display: block;
    width: 100%;
    padding: 0;
    margin: 0;
    font-size: 5vw;
    font-weight: 500;
    color: #3d4145;
    text-align: center;
    white-space: nowrap;
}
.content{
    padding: 0 8px; /* 左右15px间距，可自行改大小 */
    box-sizing: border-box;
    margin-top: 10vw;
    line-height: 1.5;
}
.content td{
    border: 1px solid #000;
}
.content table{
    border-collapse: collapse;
}
.content img {
    max-width: 100%;
}