.illustration-box {
    overflow: hidden;
    position: relative;
    width: auto;
    height: auto;
    display: inline-block;
}

.i1 {
    position: absolute;
    top: 123px;
    right: 130px;
}

.i2 {
    position: absolute;
    top: 135px;
    right: 28px;
}

.i3 {
    position: absolute;
    top: 167px;
    right: 86px;
}

.i4 {
    position: absolute;
    top: 191px;
    right: 37px;
}

.i5 {
    position: absolute;
    top: 44px;
    left: 137px;
}

.i6 {
    position: absolute;
    bottom: 263px;
    left: 98px;
    width: 42px;
}

.i7 {
    position: absolute;
    bottom: 246px;
    left: 159px;
    width: 60px;
}

.i8 {
    position: absolute;
    bottom: 420px;
    left: 318px;
    width: 30px;
}

.i9 {
    position: absolute;
    top: 273px;
    left: 53px;
}

.i10 {
    position: absolute;
    top: 92px;
    right: 14px;
}

.head {
    z-index: 100;
    position: fixed;
    left: 0;
    width: 100%;
    height: 72px;
    top: 0;
    background-color: #F9D939;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20%;
    box-sizing: border-box;
}

.head .logo {
    height: 50px;
    width: 50px;
}

.head .title-box {
    flex: 1;
    margin-left: 25px;
    height: 50px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    font-family: 'Source Han Sans CN-Regular';
}

.foot {
    z-index: 100;
    position: fixed;
    left: 0;
    width: 100%;
    height: 72px;
    bottom: 0;
    background-color: #222222;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #B7B7B7;
    font-size: 12px;
}

.foot a{
    color: #B7B7B7 !important;
}

.foot .item_box {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 20px;
}