.box {
    background: #FBFBFB 0% 0% no-repeat padding-box;
}
.int-banner {
    /* min-height: 400px; */
    height: 42.3vh;
    background: url(../images/aboutus/int-banner-bg.png) no-repeat center center;
    margin-top: 70px;
    overflow: hidden;
}
.int-banner .int-banner-title {
    text-align: center;
    font: normal normal normal 50px/66px JiangChengYuanTi500;
    letter-spacing: 10px;
    color: #000000;
    margin-top: 18.45vh;
	transform: translateX(5px);
}
.int-detail {
    text-align: center;
}
.int-detail .container {
    width: 1400px;
    background: url(../images/aboutus/describe-bg.png) no-repeat center 105px;
    overflow: hidden;
    padding: 147px 0 113px;
}
.int-detail .int-detail-title {
    font: normal normal normal 44px/58px JiangChengYuanTi500;
    letter-spacing: 0px;
    color: #000000;
	display: none;
}
.int-detail .int-detail-describe {
    margin-bottom: 94px;
    font: normal normal normal 18px/34px JiangChengYuanTi400;
    letter-spacing: 0px;
    color: #000000;
}

.int-detail .int-detail-milestone {
    position: relative;
}

.int-detail .int-detail-milestone-word {
    display: flex;
    width: 1280px;
    margin: 21.5px auto 0;
    justify-content: space-around;
    font: normal normal normal 16px/28px JiangChengYuanTi500;
    letter-spacing: 0px;
    color: #000;
}
.int-detail .int-detail-milestone-word li {
    flex: 1;
}
.int-detail .int-detail-milestone dl {
    flex: 1;
}
.int-detail .int-detail-milestone dl dt {
    margin-bottom: 21.5px;
}
.int-detail .int-detail-milestone dl dt img {
    z-index: 10;
}
.int-detail .int-detail-milestone dl dd {
    font: normal normal normal 16px/28px JiangChengYuanTi500;
    letter-spacing: 0px;
    color: #000;
}
.int-detail .int-detail-subdescribe {
    margin-top: 119px;
    font: normal normal normal 18px/34px JiangChengYuanTi400;
    letter-spacing: 0px;
    color: #000000;
    padding: 0 14vw;
}

.sub-banner {
    padding-bottom: 129px;
    /* background-color: #FBFBFB; */
}
.sub-banner .container {
    width: 1400px;
    min-height: 280px;
    background: url(../images/aboutus/sub-banner-bg.png) no-repeat center center;
}
.smallscreen{display: none;}
.bigscreen{display: block;}
@media (max-width:1400px) {
.int-detail .container,.sub-banner .container,.int-banner .container,.int-detail .int-detail-milestone-word,.int-detail-milestone-img img{
	width: 100%;
}
}
@media (max-width:768px) {
	.smallscreen{display: block;}
	.bigscreen{display: none;}
    .int-detail .container {
        background-position: center 47px;
        padding: 70px 0 0;
        background: url(../images/aboutus/describe-bg-mob.svg) no-repeat center 300px;
        background-size: 100%;
    }
    .int-detail .int-detail-title {
        font-size: 36px;
        line-height: 47px;
		display: block;
		margin-bottom: 20px;
    }
    .int-detail .int-detail-milestone {
        flex-direction: column;
    }
    .int-detail .int-detail-milestone dl dd {
        font: normal normal normal 16px/26px JiangChengYuanTi500;
        color: #333333;
		width: calc(100% - 130px);
		text-align: left;
    }
    .int-detail .int-detail-subdescribe {
        font-size: 16px;
        margin-top: 50px;
        padding: 0 6vw;
    }
    .sub-banner {
        padding: 0;
		width: 100%;
		margin-top: 30px;
    }
	.sub-banner >img{
		width: 100%;
		height: auto;
		display: block;
	}
    .sub-banner .container {
        background-size: 100%;
    }
    .int-detail .int-detail-milestone::after {
        position: relative;
        width: 0;
    }
    .int-detail .int-detail-describe {
        padding: 0 40px;
        margin-bottom: 5px;
        line-height: 1.6;
    }
	.int-detail .int-detail-milestone dl{
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 0 20px;
		box-sizing: border-box;
		margin-top: 50px;
	}
    .int-detail .int-detail-milestone dl dt {
        margin: 0;
        position: relative;
		width: 110px;
		height: 128px;
    }
	.int-detail .int-detail-milestone dl dt.line:before{
		width: 2px;
		height: calc(100% - 20px);
		background: linear-gradient(to bottom,rgba(9,95,225,.48),rgba(251,184,29,.48));
		left: 55px;
		display: block;
		content: "";
		position: absolute;
		top: 128px;
	}
	.int-detail .int-detail-milestone dl dt.line.yellowline:before{
		background: linear-gradient(to top,rgba(9,95,225,.48),rgba(251,184,29,.48));
	}
	.int-detail .int-detail-milestone dl dt.arrow:before{
		width: 16px;
		height: 40px;
		background: url(../images/aboutus/items-arrow.svg);
		left: 47px;
		display: block;
		content: "";
		position: absolute;
		top: 132px;
		background-size: cover;
	}
	.circleblue{
		width: 110px;
		height: 110px;
		border-radius: 100%;
		background: #095fe1;
		display: block;
	}
    .int-detail .int-detail-milestone img {
        width: 100%;
		height: 100%;
    }
    .int-detail .int-detail-milestone dl dt::after {
        position: absolute;
        font: normal normal normal 22px/38px JiangChengYuanTi500;
        letter-spacing: 0px;
        top: 37px;
        right: 50%;
        transform: translateX(50%);
        color: #FFFFFF;
        
    }
    .int-detail .int-detail-milestone dl:nth-child(1) dt::after {
        content: '2005';
    }
    .int-detail .int-detail-milestone dl:nth-child(2) dt::after{
        content: '2006';
    }
    .int-detail .int-detail-milestone dl:nth-child(3) dt::after{
        content: '2011';
    }
    .int-detail .int-detail-milestone dl:nth-child(4) dt::after{
        content: '2012';
    }
	.int-detail .int-detail-milestone dl:nth-child(5) dt::after{
	    content: '至今';
	}
}