test.css

*{
    border: 0;
    padding: 0;
    margin: 0;
    list-style-type: none;
    text-decoration: none;
}
body{
    background-color: #f5f6f7;
}
header{
    display: flex;
    width: 100%;
    height: 80px;
    align-items: center;
    border-radius: 2;
    background-color: white;
}
#logo img{
    display: block;
    width: 113.91px;
    height: 36px;
    margin-left: 30px;
    margin-right: 20px;
}
nav ul li{
    display: block;
    height: 100%;
    float: left;
    margin: 5px;
}
nav li a{
    color: #b5b5b5;
}
nav li a:hover{
    color: #eb71aa;
    cursor: pointer;
    animation: top_line  1s linear ;
    border-top: #eb71aa 3px solid;
    border-radius: 5%;
}
@keyframes top_line{
    0%{
        border-color: white;
    }
    100%{
        border-color: #eb71aa;
    }
}
#search{
    display: block;
    margin-left: 100px;
    width: 300px;
}
#search input{
    width: 250px;
    height: 30px;
    border-radius: 5%;
    background-color: #f5f6f7;
}
#search input:hover{
    border: #eb71aa 1px solid;
}
#search input:focus{
    outline: none;
    border: #eb71aa 1px solid;
    box-shadow: 0 0 5px 0 #eb71aa;
}
#search button{
    width: 40px;
    height: 30px;
    border-radius: 5%;
    background-color: #f5f6f7;
    color: #eb71aa;
}
#search button:hover{
     border: #eb71aa 1px solid;
}
#login{
    display: block;
    margin-left: 200px;
    float: right;
}
#login a{
    margin: 5px;
    color: #b5b5b5;
}
#login a:hover{
    border-top: #eb71aa 3px solid;
    border-radius: 5%;
    animation: top_line  1s linear ;
    color: #eb71aa;
}
#date-time{
    margin-left: 50px;
    display: block;
    width: 300px;
    float: right;
    font-size: 15px;
}

#content{
    margin: 0 auto;
    width: 1000px;
    height: 2100px;
}
#content-top{
    display: block;
    position: relative;
    width: 1000px;
    height: 50px;
    background-color: #f5f6f7;
    z-index: -3;
    border-radius: 50px;
}
#text-ad{
    position: relative;
    display: flex;
    flex-direction: column;
    position: absolute;
    width: 1000px;
    height: 240px;
    color: #f5f6f7;
    animation: moveUp 10s linear infinite;
    z-index: -1;
}
#content_ad{
    width: 1000px;
    height: 30px;
    position: absolute;
    background-color: pink;
    border-radius: 50px;
    top: 90px;
    z-index: -2;
}
.ad1,.ad2,.ad3{
    width: 1000px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    overflow-y: hidden;
}
@keyframes moveUp {
    0% {
        transform: translateY(0);
    }
    14.2%,28.4% {
        transform: translateY(-50px);
    }
    42.6%,56.8% {
        transform: translateY(-100px);
    }
    71%,85.2%{
        transform: translateY(-150px);
    }
    100%{
        transform: translateY(-200px);
    }
}
main{
    width: 70%;
    height: 2300px;
    float: left;
    background-color: #f5f6f7;
}
#banner{
    display: block;
    position: relative;
    width: 692px;
    height: 430px;
    border-radius: 4%;
    margin: 4px;
}
.list{
    position: relative;
}
.item.active {
    z-index: 10;
    opacity: 1;
}
.item {
    width: 100%;
    height: 100%;
    list-style: none;
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all .8s;
}
#banner img{
    float: left;
    width: 692px;
    height: 400px;
    border-radius: 4%;
}

#page{
    display: flex;
    position: absolute;
    width: 100%;
    text-align: center;
    justify-content: center;
    top: 392px;
}
#page a{
    display: block;
    width: 8px;
    height: 8px;
    margin-top: 5px;
    margin-bottom: 5px;
    margin: 10px;
    background-color: grey;
    border-radius: 4px;
}
.point{
    
    cursor: pointer;  
}
.btn {
    width: 60px;
    height: 100px;
    z-index: 100;
    top: 150px;
    position: absolute;
}

#leftBtn {
    left: 0px;
}

#rightBtn {
    right: 0px;
}
@keyframes pageshape1{
    0%{
        width: 20px;
    }
    100%{
        width: 8px;
    }
}
@keyframes pageshape2{
    0%{
        width: 8px;
    }
    100%{
        width: 20px;
    }
}
#main_content{
    width: 100%;
    height: 1650px;
}
#main_content section{
    margin-top: 20px;
    margin-bottom: 20px;
    width: 100%;
    height: 570px;
}
.title{
    display: block;
    width: 100%;
    height: 50px;
    margin-bottom: 5px;
    line-height: 50px;
    font-size: 15px;
    border-bottom-style: solid;
    border-width: 3px;
    border-image: linear-gradient(90deg,#eb71aa, #f5f6f7);
    border-image-slice: 1;
}
.title h3{
    float: left;
    width: 70%;
    line-height: 50px;
}
.title a{
    width: 20%;
    margin-top: 20px;
    height: 20px;
    margin-right: 10px;
    float: right;
    line-height: 20px;
    text-align: right;
    font-size: 13px;
    color: #f04494;
}
.title a:hover{
    color: #eb71aa;
}
.content{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.content-item{
    display: block;
    width: 220px;
    height: 250px;
    margin: 5px;
    background-color: white;
    border-radius: 5%;
}
.content-item img{
    width: 100%;
    height: 150px;
    border-radius: 5%;
    cursor: pointer;
    transition: all 0.6s;
}
.content-item img:hover{
    transform: scale(1.1);

}
.content-item .name a{
    margin: 2px;
    font-size: 15px;
    color: black;
}
.content-item .name{
    display: block;
    padding-left: 5px;
    height: 40.8px;
}
.name a:hover{
    color: #f04494;
}
.content-item .classify{
    width: 40px;
    height: 20px;
    margin: 5px;
    background-color: #e9f4ff;
    border-radius: 20%;
    text-align: center;
    line-height: 20px;
    font-size: 10px;

}
.content-item .classify a{
    color: #8fc8fb;
}

.content-item .classify:hover{
    background-color: #eef7ff;
}
.content-item .info{
    margin: 10px;
    font-size: 10px;
    color: #b5b5b5;
}
.date{
    float: left;
}
.information{
    float: right;
}




aside{
    width: 30%;
    height: 2200px;
    float: left;
}
aside img{
    border-radius: 5%;
}
#user{
    display: flex;
    flex-direction: column;
    height: 400px;
    background-color: white;
    border-radius: 5%;
    
    margin: 4px;
    z-index: 1;
}
#img{
    position: relative;
}
#bgimg{
    width: 100%;
    height: 150px;
}
#bgimg img{
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 5% 5% 0 0 ;
}
#user_img img{
    display: block;
    position: absolute;
    left: 115px;
    top: 110px;
    width: 70px;
    height: 70px;
    border-radius: 100%;
    z-index: 2;
}
#user_img{
    display: block;
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border-radius: 100%;
}
#hello{
    text-align: center;
    font-size: 15px;
    color: rgba(44, 40, 40, 0.39);
}
.login1{
    display: block;
    margin-top: 10px;
    margin-left: 40px;
    display: inline-block;
    width: 100px;
    height: 30px;
    text-align: center;
    background: linear-gradient(135deg, #59c3fb 10%, #268df7 100%);
    color: white;
    border-radius: 15px;
    line-height: 30px;
}
.login1:hover{
    background: linear-gradient(135deg, #59c3fb 50%, #268df7 100%);
}
.login2:hover{
    background: linear-gradient(135deg, #f59f54 50%, #ff6922 100%);
}
.login2{
    display: block;
    margin-top: 10px;
    display: inline-block;
    width: 100px;
    height: 30px;
    text-align: center;
    background: linear-gradient(135deg, #f59f54 10%, #ff6922 100%);
    color: white;
    border-radius: 15px;
    line-height: 30px;
}
#shejiao{
    text-align: center;
    padding: 20px;
    font-size: 15px;
    color: rgba(44, 40, 40, 0.39);
}
#login_choice{
    display: flex;
    text-align: center;
    justify-content: center;
}
#login_choice img{
    display: block;
    margin: 5px;
    width: 40px;
    height: 40px;
    border-radius: 100%; 
    cursor: pointer;
    transition: all 0.3s;
}
#login_choice img:hover{
    transform: scale(1.1);
}
#hot li,#new li{
    padding: 5px;
}
#hot_content,#new_content{
    background-color: white;
    border-radius: 5%;
}
.aside_content{
    width: 100%;
    height: 100px;
    display: grid;
    grid-template-columns: repeat(7,2fr);
    grid-template-rows: repeat(3,5fr);
    grid-template-areas: 'a a a b b b b'
                         'a a a . . . .'
                         'a a a c . . d';
}
.aside_img{
    grid-area: a;
    background-color: white;
    border-radius: 5%;
} 
.aside_img img{
    width: 100%;
    height: 100%;
    display: block;
}
.aside_name{
    font-size: 15px;
    grid-area: b;
}
.aside_name a{
    color: black;
}
.aside_classify{
    display: block;
    grid-area: c;
    width: 30px;
    height: 20px;
    margin: 5px;
    font-size: 10px;
    background-color: #e9f4ff;
    border-radius: 20%;
    line-height: 20px;
    text-align: center;
}
.aside_classify a{
    color: #8fc8fb;
}
.aside_classify:hover{
    background-color: #eef7ff;
}
.aside_info{
    grid-area: d;
    font-size: 10px;
    float: right;
    margin-top: 10px;
    color: #b5b5b5;
}