*{
    padding: 0 auto;
    margin: 0 auto;

}


hr{
    margin-top: 5px;
    width: 100%;
    height: 0.5px;
    background-color: rgb(163, 163, 163);
}

#flash{
    display: none;
    width: 100%;
}


#imgbox{
    display: none;
    width: 100%;

}

li{
    list-style: none;
}

a{
    text-decoration: none;
    color: rgb(247, 247, 247);
}
ul{
    padding: 0px;
}
body{
    position: relative;
    padding: 0px;
    margin: 0px;
    background: url(img/background.jpg) no-repeat;
    background-size: 100% 100%;
    background-attachment: fixed;

}

html{
    margin: 0px;
    padding: 0px;
    height: 100%; /* 确保页面高度占满视口 */
  }


/* ---------------------------导航栏---------------------- */
.navigation{

    width: 100%;
    height: 80px;
    text-align: center;
    line-height: 80px;
    background-color: #4A5568;
    box-shadow: inset;
}

.navigation ul{
    display: flex;
    font-size: 30px;
    align-items: center;
    height: 100%;
    
}

.navigation ul li:nth-child(1){
    margin-left: 100px;  
    
}




/* 搜素栏 */

.search-box{
    display: flex;
    margin-left: auto;
    margin-right: 50px;
    text-align: center;
    
}

.search-box input{
    border: 0px;
    width: 200px;
    height: 30px;
    padding: 0px;
    padding-left: 20px;
    border-radius: 30px;
    border-top-right-radius: 0px;
    border-bottom-right-radius: 0px;
    
}
.search-box button{
    border: 0px;
    width: 30px;
    height: 30px;
    border-top-right-radius: 30px;
    border-bottom-right-radius: 30px;
    background-color: rgb(255, 255, 255);
}
/* ------------------公告------------------ */

.cement{
    position: relative;
    background-color: aliceblue;
    margin-top: 10px;
    width: 80%;
}

.gongao{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 20px;
    line-height: 30px;
    overflow-x: auto;
}


.gongao-img{
    display: flex;
    width: 100%;
    height: 30px;
}

.gongao-img div:nth-child(1){
    margin: 0px;
    height: 100%;
    width: 10px;
    background-color: rgb(255, 195, 16);
}
.gongao-img div:nth-child(2){
    margin: 0px;
    width: 100%;
    height: 100%;
    background-color: rgb(255, 250, 227);
}



/* -----------------------内容----------------------- */

.value-box{
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(500px,1fr));
    /* 设置横排的格式 */
    gap: 20px;

}
.value-boxs{
    padding: 40px;
    position: relative;
    margin: auto;
    margin-top: 30px;
    width: 80%;
    height: 100%;
    backdrop-filter: blur(9px);
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 42px;
}

/* pick-box 图片外壳 */


.pick-box{
    width: 100%;
    height: 700px;
    border-radius: 30px;
    overflow: hidden;

}
.pick-box a img{
    width: 100%;
    height: 100%;
    border: none;
}




/* -----------------弹窗警告-------------------- */
.quicklybox{
    position: fixed;
    text-align: center;
    display: none;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 100px;
    background-color: rgb(255, 250, 227);
    transform: translate(-50%,-50%)
}

.textbox{
    width: 100%;
    position: absolute;
    top: 30px;
    text-align: center
}

.q1{
    width: 100%;
    height: 20px;
    background-color: rgb(255, 195, 16);
}

.close{
    position: absolute;
    width: 30px;
    height: 30px;
    top: 0px;
    right: 0px;
    border-radius: 30px;
}

.close button{
    background: none;
    width: 100%;
    height: 100%;
    border: none;
}

.close button:hover{
    border: 1px white solid;
}


.nullerr{
    display: none;
    font-size: 5vw;
    text-align: center;
    color: #a4a4a4;
}



@media only screen and (max-width: 600px){
    .navigation ul li:nth-child(1){
        margin-left: 50px;  
    }

    .navigation ul li:nth-child(1) a span{
        display: none;
    }
    .search-box{
        margin:auto;
    }
    .value-box{
        padding: 10px;
        grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
    }

    .pick-box{
        height: 350px;
    }
}