.proban {
    width: 100%;
    height: auto;
    overflow: hidden;
    position: relative;
}
.mainpic {
    display: block;
    width: 100%;
    height: auto;
}
.t19, .t20, .t35 {
    height: auto;
    position: absolute;
    left: 60%;
    top: 35%;
    z-index: 100;
}
.t20 {
    left: 10%;
}
.t35 {
    left: 55%;
}
.t47 {
    top: 30%;
}
.t19 span, .t20 span, .t35 span {
    display: block;
    font-size: 4rem;
    font-weight: bold;
    line-height: 120%;
    color: #22a0d2;
}
.t35 span {
    font-size: 3rem;
}
.t19 span:nth-child(2), .t20 span:nth-child(2), .t35 span:nth-child(2) {
    font-size: 1.5rem;
    color: #333;
    margin-top: 1.5vw;
}

.banplay {
    width: 70px;
    height: 70px;
    cursor: pointer;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -35px 0 0 -35px;
    z-index: 20;
    opacity: .7;
}
.banplay:hover {
    width: 80px;
    height: 80px;
    margin: -40px 0 0 -40px;
    opacity: 1;
}

.banmore {
    width: 220px;
    height: auto;
    overflow: hidden;
    position: absolute;
    right: 0;
    bottom: 60px;
    z-index: 100;
    cursor: pointer;
}
.banmore.m2 {
    right: auto;
    left: 10%;
}
.banmore .svg {
    display: block;
    float: left;
    width: 70px;
    height: 70px;
    object-fit: contain;
}
.banmore span {
    display: block;
    float: left;
    font-size: 1rem;
    line-height: 70px;
    margin-left: 10px;
}
.banmore:hover .svg * {
    stroke: #22a0d2;
}
.banmore:hover span {
    color: #22a0d2;
}

.provod {
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    background: #000;
    left: 0;
    top: 0;
    z-index: 10001;
}
.provod video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.provod .provodclose {
    width: 30px;
    height: 30px;
    display: block;
    position: absolute;
    right: 30px;
    top: 30px;
    cursor: pointer;
}

.probk {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: #fafafa;
}
.probk span {
    display: block;
    line-height: 150%;
    text-align: center;
    width: 70%;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
}
.probk span:nth-child(1) {
    font-size: 3rem;
    color: #22a0d2;
    font-weight: bold;
    margin-top: 3vw;
}
.probk span:nth-child(2) {
    font-size: 1.75rem;
    margin-top: 1vw;
}
.probk.pro20 span:nth-child(2) {
    font-size: 1.25rem;
    margin-bottom: 2vw;
}
.probk img {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 1vw;
}

.probot {
    background: #fafafa;
    padding: 8vw 0;
}
.probot span {
    display: block;
    text-align: center;
}
.probot span:nth-child(1) {
    font-size: 1.25rem;
    font-weight: bold;
    letter-spacing: 0.5vw;
}
.probot span:nth-child(2) {
    font-size: 1rem;
    color: #999;
    margin-top: 2vw;
    letter-spacing: 2vw;
}
.probot.en span:nth-child(1), .probot.en span:nth-child(2) {
    letter-spacing: 0;
}

@media screen and (max-width: 1680px) {
    
}
@media screen and (max-width: 1440px) {
    
}
@media screen and (max-width: 1280px) {
    
}