*{
    padding: 0;
    margin: 0;
}
body{
    background-color: gray;
}
.t{
    width: 428px;
    height: 75px;
    background-color: aliceblue;
    margin: 0 auto;
}
.t-c h1{
    margin-left: 18%;
    margin-top: -12.5%;
}
.t-c img{
    width: 50px;
    height: 50px;
    margin-left: 3%;
    margin-top: 3%;
}
.m{
    width: 428px;
    background-color: aliceblue;
    height:auto;
    margin: 0 auto;
    /* white-space: nowrap; */
}
.m-pc{
    width: 428px;
    height: 250px;
    overflow: hidden;
    margin: 0 auto;
}
#loop-pc{
    display: grid;
    grid-template-columns:1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr;
    height: 250px;
    margin: 0 auto;
}
.m-pc div{
    width:428px;
    height:250px;
}
.m-pc a{
    display:flex;
    justify-content: center;
    line-height: 550%;
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 45px;
    width: 428px;
    height: 250px;
    text-shadow: 5px 5px 5px gray;
}
.m p{
    /* 隐藏滚动条且可以滚动 */
    scrollbar-width: none;
    font-size:50px;
    width: 200px;
}
h2{
    font-size: 20px;
    text-align: center;
}
h3{
    font-size:18;
    margin-left: 5%;
}
.m video{
    display: none;
}
.m img{
    width: 150px;
    height: auto;
    margin-top: 2%;
    margin-left: 5%;
}
.m section{
    width: 235px;
    height: 150px;
    border: 1px solid black;
    border-radius: 5px;
    margin-left: 43%;
    margin-top:-33.9% ;
    overflow:scroll;
    scrollbar-width: none;
}
.m p{
    width: 235px;
    font-size: 20px;
}
#inf-c1{
    margin-top: 170.5%;
    overflow:scroll;
    scrollbar-width: none;
}
#inf1{
    margin-top: 9%;
}
#inf-7{
    margin-top: 100%;
    overflow:scroll;
    scrollbar-width: none;
}
.inf1,.inf2,.inf3,.inf4{
    max-width: 428px;
    min-width: 375px;
}
.inf1 img.inf3 img,.inf4 img{
    width: 100px;
}
.inf4 .inf-c{
    margin-top: -25%;
    margin: 0 auto;
}
#inf5{
    margin-top: -170%;
}
#inf6{
    margin-top: 3%;
}
.inf-c1{
    height: 250px;
}
#inf7{
    margin-top: -4%;
}
.inf-t{
    margin: 0 auto;
}
.inf-t h2{
    line-height: 400%;
}
footer{
    width: 428px;
    height: 200px;
    margin: 0 auto;
    background-color: #2c323b;
}