*{
    margin: 0; 
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

a{
    text-decoration: none;
    color: #000000;
}

.w-380{
    width: 380px;
}

.w-540{
    width: 540px;
}

.w-800{
    width: 800px;
}

.w-1000{
    width: 1000px;
}

.w-1200{
    width: 1200px;
}

.center{
    margin: 0 auto;
}

.tc{
    text-align: center;
}

.fl{    
    float: left;
}

.fr{
    float: right;
}

.clearfix{
    clear: both;
}


.clearfix::after{
    content: "";
    display: block;
    clear: both;
}

.pl-20{    
    padding-left: 20px;
}

.pr-20{    
    padding-right: 20px;
}

.pt-20{    
    padding-top: 20px;
}

.pb-20{    
    padding-bottom: 20px;
}

.mt-20{
    margin-top: 20px;
}

.ml-20{
    margin-left: 20px;
}

.mr-20{
    margin-right: 20px;
}

.mb-20{
    margin-bottom: 20px;
}

body{
    background-color: #ebebeb;
}

.container{
    width: 100%;
}

.header{
    width: 100%;
    height: 80px;
    line-height: 80px;
    background-color: #000000;
}

.header .logo{
    width: 200px;
    color: #ffffff;
    /* animation: logoAnimation 1s infinite; 动画一闪一闪5秒后停止 */
    /* 动画一闪一闪5秒后停止 */
    animation: logoAnimation 10s forwards;
    font-size: 24px;
    font-weight: bold;
    /* animation-delay: 2s; */
}

@keyframes logoAnimation {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.header .nav a{
    color: #ffffff;
}

.header .search input{
    width: 200px;
    height: 30px;
    border: none;
    border-radius: 15px;
    padding-left: 15px;
}

.header .search button{
    border: none;
    background-color: #ffffff;
    background-size: cover;
    cursor: pointer;
    border-radius: 4px;
    width: 60px;
    height: 30px;
}

.main{
    width: 100%;
    min-height: 500px;
}

.left .item{
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
}

.item .title{
    font-size: 20px;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 1px solid #ebebeb;
}

.item .info .thumb{
    width: 200px;
    height: 200px;
    overflow: hidden;
}

.item .info .descript{
    line-height: 1.6;
}

.list .no-data{
    text-align: center;
    padding: 20px;
    font-size: 16px;
    color: #999999;
    border: 1px solid #ebebeb;
    background-color: #ffffff;
    border-radius: 10px;
}

.page ul {
    list-style: none;
}

.page ul li{
    display: inline-block;
    margin-right: 10px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: #ffffff;
    font-size: 16px;
}

.page ul li.active{
    background-color: #000000;
    color: #ffffff;
}

.detail{
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
}

.detail .content img{
    width: 100% !important;
}

.detail .content{
    line-height: 1.6;
    word-break: break-all;
}

.detail .content pre {
    word-break: break-all;   /* 长单词任意位置截断 */
    overflow-wrap: anywhere; /* 兼容旧版 WebKit，也能防止溢出 */
    white-space: pre-wrap;   
}

.detail .content p {
    padding: 20px 0;
}

.detail .title{
    font-size: 24px;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 1px solid #ebebeb;
}

.detail .time{
    color: #999999;
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 20px;
    float: right;
}

.right{
    background-color: #ffffff;
    border-radius: 10px;
}

.right .hot{
    padding: 20px;
}

.right .hot .more{
    font-size: 18px;
    color: #999999;
}

.right .hot .title{
    font-size: 20px;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 1px solid #ebebeb;
}

.right .hot .list{
    margin-top: 20px;
}

.right .hot .list li{
    padding: 10px 0;
    border-bottom: 1px solid #ebebeb;
    list-style: none;
}

.right .hot .list li a{
    font-size: 16px;
}

.right .hot .list li span{
    color: #999999;
    font-size: 14px;
}

.footer {
    width: 100%;
    height: 80px;
    line-height: 80px;
    background-color: #000000;
}
.footer .copyright{
    color: #ffffff;
}