body {
    background: rgba(245, 245, 247, 1);
    position: relative;
}

.mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    height: 2110px;
    z-index: 10;
    background: rgba(0,0,0,.8);
    display: none;
}

.topinfo {
    /* border: 1px solid lightcoral; */
    padding: 10px;
    background-color: #fff;
    margin: 10px 0;
}

.containter {
    padding: 50px 100px;
    box-sizing: border-box;
    /* background:rgba(245, 245, 247, 1); */
}

.tileftside {
    width: 40%;
}

.tipic {
    opacity: 0;
}

    .tipic img {
        width: 70%;
        height: auto;
    }

.tirightside {
    width: 60%;
    padding-left: 20px;
    box-sizing: border-box;
}

.tirstitle {
    font-size: 35px;
    font-weight: 700;
    padding: 20px 0;
}

.protype {
    width: 98%;
    padding: 15px 0 15px 14px;
    background-color: #f1f1f1;
    font-size: 20px;
}

.content {
    font-size: 16px;
    color: #333;
    line-height: 25px;
    padding: 40px 0;
}

.btnprice {
    width: fit-content;
    color: white;
    background-color: #184e94;
    padding: 15px 50px;
    margin-top: 50px;
    font-size: 18px;
}

    .btnprice:active {
        background-color: #226fd4;
    }

/* 下半部分 */
.botinfo {
    padding-top: 30px;
}

.bottitle {
    font-weight: 700;
    font-size: 0;
}

    .bottitle span:nth-child(1) {
        color: #24579a;
        font-size: 40px;
    }

    .bottitle span:nth-child(2) {
        /* color: #24579a; */
        font-size: 40px;
    }

.botinfotab {
    border-bottom: 3px solid #c5c8cd;
    /* padding: 20px 0 ; */
    position: relative;
    max-height: 50px;
    margin-top: 30px;
}

.biitem {
    float: left;
    width: 45%;
    font-size: 24px;
    font-weight: 700;
    box-sizing: border-box;
    line-height:50px;
}
/*.biitem::after{
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 25%;
    height: 3px;
    background-color: #23539d;
    z-index: 5;
    opacity: 1;
}*/
.biitactive {
    border-bottom: 3px solid #23539d;
}

.bitactive::after {
    background-color: transparent;
}

.bitactive1::after {
    background-color: #23539d;
}

.bitac {
    background-color: #23539d;
}

.biitem2 {
    float: right;
    width: 55%;
    font-size: 24px;
    font-weight: 700;
    box-sizing: border-box;
    transform: translateY(-20px);
}

    .biitem2::after {
        content: "";
        position: absolute;
        bottom: -20px;
        left: 0;
        width: 50%;
        height: 3px;
        background-color: #23539d;
        z-index: 5;
        opacity: 0;
    }

.biitem:hover::after {
    opacity: 1;
}

.biitem2:hover::after {
    opacity: 1;
}

.botcontent {
    padding: 20px 0;
    font-size: 18px;
    color: #333;
    line-height: 30px;
    /* white-space: pre-line; */
    /* text-align: left; */
}

.active .tipic {
    position: relative;
    animation: listtitleani 1s ease forwards;
}

.tirsbox {
    opacity: 0;
}

.active .tirsbox {
    position: relative;
    animation: rtl 1s ease forwards;
}

.bcbox {
    position: relative;
    opacity: 0;
}

.active .bcbox {
    animation: listitemani 1s ease forwards;
}

.tipic img {
    margin: auto;
}
/* .mask{
background-color: rgba(0, 0, 0, .3);
position: absolute;
z-index:33;
width: 100%;
height: 100%;
} */
#dialog {
    width: 240px;
    /* height: 200px; */
    display: none;
    border-radius: 10px;
    border: 10px solid #184e94;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    /* overflow: hidden; */
    /* box-sizing: border-box; */
    background-color: #fff;
    padding: 10px;
    z-index: 15;
}

    #dialog img {
        max-width: 100%;
        height: auto;
        object-fit: cover;
        text-align: center;
        margin: auto;
        /* padding-top: 30px;
    box-sizing: border-box; */
    }

    #dialog .close2 {
        position: absolute;
        right: -50px;
        top: -50px;
        width: 50px;
        height: 50px;
    }

        #dialog .close2 img {
            max-width: 100%;
            margin-right: -15px;
            height: auto;
        }

@keyframes listtitleani {
    from {
        left: -100%;
        opacity: 0;
    }

    to {
        left: 0;
        opacity: 1;
    }
}

@keyframes rtl {
    from {
        right: -100%;
        opacity: 0;
    }

    to {
        right: 0;
        opacity: 1;
    }
}

@keyframes listitemani {
    from {
        bottom: -500px;
        opacity: 0;
    }

    to {
        bottom: 0;
        opacity: 1;
    }
}

@media screen and (max-width:1200px) {
    .tipic img {
        width: 100%;
    }

    .content {
        padding: 10px 0;
    }

    .btnprice {
        margin-top: 20px;
    }

    .containter {
        padding: 25px 10px;
    }
}

@media screen and (max-width:600px) {
    .tileftside {
        width: 100%;
    }

    .tirightside {
        width: 100%;
        padding-left: 0;
    }

    .tirstitle {
        font-size: 30px;
    }

    .protype {
        font-size: 20px;
    }

    .content {
        font-size: 14px;
    }

    .bottitle span:nth-child(1) {
        font-size: 30px;
    }

    .bottitle span:nth-child(2) {
        font-size: 30px;
    }

    .biitem {
        font-size: 18px;
    }

    .biitem2 {
        font-size: 18px;
    }

    .botinfotab {
        max-height: 38px;
    }

    .biitem2::after {
        bottom: -16px;
    }

    .btnprice {
        font-size: 13px;
        margin: auto;
    }

    .botinfo {
        padding: 10px;
    }
}

@media screen and (max-width:330px) {
    .btnprice {
        font-size: 13px;
    }
}