#main {
    overflow: hidden;
}

.section .inner {
    position: relative;
}

.sec01 {
    background: #4da8e1;
}

.sec01 .text {
    padding: 10.86% 0 5.29% 7.86%;
}

.sec01 .l1 {
    font-size: 21px;
    margin-bottom: 34px;
}

.sec01 .l2 {
    font-size: 72px;
    color: #fff;
}

.sec01 .pic {
    position: absolute;
    left: 30.86%;
    top: 0;
    margin-top: 4.57%;
    width: 12.57%;
}

.sec01 svg {
    width: 100%;
    fill: #005eac;
    opacity: .4;
}

.sec02 {
    background: #f7f7f7;
}

.sec02 .text {
    position: relative;
    z-index: 1;
    padding: 9.29% 0 9.29% 7.86%;
}

.sec02 .l1 {
    font-size: 45px;
    margin-bottom: 24px;
}

.sec02 .l2 {
    font-size: 24px;
    line-height: 1.4;
    color: #595959;
}

.sec02 .pic {
    position: absolute;
    right: -10%;
    top: 0;
    margin-top: -9.71%;
    width: 73.57%;
}

.sec02 .pic img {
    width: 100%;
}

.sec03 {
    padding: 8.18% 0 9.53%;
    text-align: center;
}

.sec03 .text {
    font-size: 22px;
    line-height: 1.77;
    margin-bottom: 9.57%;
}

.sec03 .pic {
    width: 63.43%;
    margin: 0 auto 11.43%;
}

.sec03 .pic img {
    display: block;
    width: 100%;
}

.sec03 ul {
    display: flex;
    justify-content: center;
}

.sec03 li {
    position: relative;
    font-size: 15px;
    padding: 0 70px;
    color: #8c8c8c;
}

.sec03 li:nth-child(2):before,
.sec03 li:nth-child(2):after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 80%;
    background: #e4e4e4;
}

.sec03 li:nth-child(2):after {
    left: auto;
    right: 0;
}

.sec03 li .num {
    font-size: 80px;
    color: #00b0ec;
    display: block;
    margin-bottom: 15px;
}

.sec03 li .pre {
    font-size: 66px;
    margin-right: 10px;
}

.sec03 li .unit {
    font-size: 25px;
    margin-left: 15px;
}

.sec04 {
    padding: 5.63% 0 4.38% 7.86%;
    background: url(../../img/zs400_sec04_en.jpg) no-repeat center;
    background-size: cover;
}

.sec04 .l1 {
    font-size: 46px;
    margin-bottom: 30px;
}

.sec04 ul {
    width: 400px;
}

.sec04 li {
    font-size: 16px;
    color: #8c8c8c;
    padding: 14px 0;
    border-bottom: 1px solid #c3c3c3;
}

.sec04 li span {
    display: block;
    color: #333;
    margin-bottom: 9px;
}

@media all and (max-width: 1480px) {
    .sec01 .l1 {
        font-size: 18px;
        margin-bottom: 26px;
    }

    .sec01 .l2 {
        font-size: 55px;
    }

    .sec02 .l1 {
        font-size: 34px;
        margin-bottom: 18px;
    }

    .sec02 .l2 {
        font-size: 18px;
    }

    .sec03 .text {
        font-size: 17px;
    }

    .sec03 li {
        font-size: 13px;
        padding: 0 53px;
    }

    .sec03 li .num {
        font-size: 61px;
        margin-bottom: 12px;
    }

    .sec03 li .pre {
        font-size: 50px;
        margin-right: 8px;
    }

    .sec03 li .unit {
        font-size: 23px;
        margin-left: 12px;
    }

    .sec04 .l1 {
        font-size: 35px;
        margin-bottom: 23px;
    }

    .sec04 ul {
        width: 350px;
    }

    .sec04 li {
        font-size: 14px;
        padding: 11px 0;
    }

    .sec04 li span {
        margin-bottom: 7px;
    }
}

@media all and (max-width: 767px) {
    .sec01 .text {
        padding: 8% 0 6.27% 12.93%;
    }

    .sec01 .l1 {
        font-size: 3.47vw;
        margin-bottom: 5.01vw;
    }

    .sec01 .l2 {
        font-size: 9.73vw;
        margin-bottom: 2.27vw;
    }

    .sec01 .pic {
        left: auto;
        right: 12.8vw;
        top: auto;
        bottom: 6.27vw;
        margin-top: 0;
        width: 22vw;
    }

    .sec02 .text {
        padding: 13.33vw 0 19vw;
        text-align: center;
    }

    .sec02 .l1 {
        font-size: 6vw;
        margin-bottom: 4.53vw;
    }

    .sec02 .l2 {
        font-size: 3.33vw;
        line-height: 1.36;
        padding: 0 4.27vw;
        margin-bottom: 12.26vw;
    }

    .sec02 .pic {
        position: static;
        margin: 0 auto;
        width: 100%;
    }

    .sec02 .pic img {
        width: 110%;
        margin-left: -10%;
    }

    .sec03 {
        padding: 14vw 4.27vw 15.07vw;
    }

    .sec03 .text {
        font-size: 3.2vw;
        line-height: 1.58;
        color: #595959;
        margin-bottom: 17.33vw;
    }

    .sec03 .pic {
        width: 96%;
        margin: 0 auto 20.8vw;
    }

    .sec03 li {
        font-size: 3.2vw;
        padding: 0 5.6vw;
    }

    .sec03 li:nth-child(2) {
        white-space: nowrap;
    }

    .sec03 li:nth-child(2):before,
    .sec03 li:nth-child(2):after {
        height: 60%;
    }

    .sec03 li .num {
        font-size: 7.67vw;
        margin-bottom: 2.13vw;
    }

    .sec03 li .unit {
        font-size: 3.33vw;
        margin-left: 1.33vw;
    }

    .sec04 {
        padding: 10.67vw 4.27vw 12vw;
        background-image: url(../../img/en/exc400_sec04_sp.jpg);
    }

    .sec04 .l1 {
        font-size: 5.33vw;
        margin-bottom: 4.8vw;
    }

    .sec04 ul {
        width: 90%;
    }

    .sec04 li {
        font-size: 3.2vw;
        padding: 4vw 0;
    }

    .sec04 li span {
        font-size: 3.47vw;
        margin-bottom: 1.2vw;
    }

    .russian .sec03 li{padding: 0 3.6vw;}
    .russian .sec03 li .num,
    .spanish .sec03 li .num{font-size: 8.67vw;}
}