* {
    margin: 0;
    padding: 0;
}

.wrap {
    width: 100%;
    height: 100vh;
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 100% auto;
    background-color: black;
    /*fixed*/
    background-attachment: fixed;
}

.item1 {
    background: url('../images/view.jpg') no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.item1 .bor {
    width: 550px;
    height: 550px;
    border-radius: 50%;
    border: 1px solid #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.bor_top {
    font-size: 20px;
    margin-bottom: 10px;
}

.bor_tit {
    font-size: 32px;
}

.bor p {
    width: 40%;
    height: 1px;
    background: #fff;
    margin: 30px 0;
}

.bor_bom {
    font-size: 13px;
}

.item2 {
    background-color: #fff;
    width: 100%;
    height: 70vh;
    display: flex;
}

.litm_left {
    width: 50%;
    height: 100%;
}

.litm_tit {
    font-size: 21px;
    color: #666;
}

.litm_left img {
    width: 100%;
    height: 100%;
}

.litm_right {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px;
    box-sizing: border-box;
}

.litm_right p {
    font-size: 12px;
    margin-top: 20px;
    line-height: 1.88;
    color: #6a6a6a;
}

.listvox {
    width: 100%;
    background-color: #f8f8f8;
    padding: 20px 0;
}

.listhost {
    width: 80%;
    margin: 0 auto;
}

.list_top {
    width: 100%;
    height: 70px;
    line-height: 70px;
    font-weight: bold;
}

.list_host {
    width: 100%;
    display: flex;
    margin-bottom: 40px;
    flex-flow: wrap;
    justify-content: center;
}

.list_host_box {
    width: 28%;
    margin: 0 2%;
    cursor: pointer;
    height: 100vh;
    border-bottom: 3px solid red;
    overflow: hidden;
    box-shadow: 0px 2px 2px 1px rgba(0, 0, 0, 0.2);
    position: relative;
    margin-bottom: 30px;
}

.yiny {
    width: 100%;
    height: 25vh;
    background-color: rgba(255, 0, 0, 0.549);
    position: absolute;
    bottom: -100%;
    color: #fff;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    padding: 0 30px;
    box-sizing: border-box;
    text-align: center;
    transition: all 1s;
}

.yiny p:nth-child(1) {
    font-size: 16px;
    font-weight: 600;
    margin: 10px 0;
}

.yiny p:nth-child(2) {
    font-size: 14px;
    color: #fff;
}

.list_host_box:hover .cen_tits {
    transition: all 0.5s;
    opacity: 0;
}

.list_host_box:hover .yiny {
    bottom: 0;
}

.top_img {
    width: 100%;
    height: 100vh;
}

.top_img img {
    width: 100%;
    height: 100%;
}

.cen_tits {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 20vh;

}

.cen_tits p:nth-child(1) {
    font-size: 20px;
    font-weight: 700;
}

.cen_tits p:nth-child(2) {
    font-size: 10px;
    color: rgb(195, 194, 194);
    margin: 10px 0;
}

.host_mi {
    width: 100%;
    min-height: 40vh;
    background-color: #222222;
    padding-top: 100px;
    padding-bottom: 100px;
}

.host_tops {
    color: #fff;
    text-align: center;
    height: 80px;
}

.host_box {
    display: flex;
    justify-content: space-around;
    width: 100%;
}

.one_host {
    width: 25%;
    padding: 20px;
}

.host_top {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 60px;
}

.host_top img {
    width: 60px;
    height: 100%;
}

.host_cen {
    color: #fff;
    margin: 20px 0 10px 0;
    text-align: center;
}

.host_btn {
    color: #B6B6B6;
    width: 100%;
    text-align: center;
    font-size: 14px;
    line-height: 30px;
}

.list_boxs {
    width: 100%;
    min-height: 100vh;
    background-color: #f8f8f8;
    padding-bottom: 150px;
}

.box {
    width: 85%;
    margin: 0 auto;
    background-color: #fff;
}

.box_img {
    width: 100%;
    height: 550px;
}

.box_img img {
    width: 100%;
    height: 100%;
}

.box_title {
    display: flex;
    width: 100%;
    padding: 100px 30px;
    box-sizing: border-box;
}

.title_left {
    width: 40%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.title_right {
    width: 60%;
    color: #A5A5A5;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.robg_one {
    margin-bottom: 40px;
}

.footer {
    width: 100%;
    height: 40vh;
    background-color: #111111;
    color: #ffffffc4;
    text-align: center;
    padding-top: 70px;
    position: absolute;
}

.top_footer {
    border-bottom: 1px solid #dcdcdcc4;
    padding-bottom: 40px;
}

.btm_footer {
    line-height: 200px;
}

.btns {
    width: 55px;
    height: 55px;
    background: rgba(255, 72, 0, .9);
    position: absolute;
    top: -25px;
    border-radius: 50%;
    left: 48%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btns img {
    width: 25px;
    height: 25px;
}