body {
    width: 100%;
    min-width: 320px;
    max-width: 640px;
    margin: 0 auto;
    font-size: 14px;
    font-family: -apple-system,Helvetica,sans-serif;
    color: #666;
    line-height: 1.5;
}
a {
    text-decoration:none
}
ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.logo {
    height: 70px;
    background-color: royalblue;
}
.logo ul li {
    float: left;
    height: 70px;
    line-height: 70px;
    text-align: center;
}
.logo ul li:nth-child(1) {
    width: 30%;
}
.logo ul li:nth-child(1) img {
    vertical-align: middle;
}
.logo ul li:nth-child(2) {
    font-size: 30px;
    font-weight: 700;
    width: 70%;
    color: black;
}
.gg {
    height: 120px;
    text-align: center;
}
.gg p {
    font-size: 12px;
    color: red;
}
.zhong p a {
    color: cornflowerblue;
}
.box img {
    width: 100%;
}
.td {
    width: 375px;
    margin: 0 auto;
    background: chartreuse;
}
.td ul li a {
    font-size: 18px;
    color: #fff;
}