.banner_width {
    width: 1200px;
    margin: auto;
}

.banner_title {
    font-size: 34px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    text-align: center;
}
.banner_title_spe{
    color: #fff;
}
.banner_first{
    width: 100%;
	height: 550px;
    background-image: url('../../images/industry/building/pic-banner.png');
    background-repeat: no-repeat;
    background-size: cover;
}
.banner_first_t{
    font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #ffffff;
    padding-top: 156px;
}
.banner_first_b{
    margin-top: 16px;
    display: flex;
    align-items: center;
}
.banner_first_line{
    width: 4px;
	height: 24px;
	background-color: #e7290f;
}
.banner_first_b_t{
    font-size: 24px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 28px;
	letter-spacing: 0px;
	color: #ffffff;
    margin-left: 6px;
}
.banner_first_c{
    width: 580px;
    margin-top: 62px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.banner_first_c_t{
    font-size: 18px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #ffffff;
}
.banner_first_c_line{
    width: 1px;
	height: 24px;
    margin: 0 12px 0 12px;
    background-color: #ffffff;
}
.btns{
    margin-top: 92px;
    display: flex;
    justify-content: space-between;
    width: 270px;
}
.btns a{
    width: 118px;
	height: 34px;
	border: solid 1px #ffffff;
    font-size: 14px;
    color: #ffffff;
    background-color: transparent;
    line-height: 34px;
    text-align: center;
}
.btns a:hover{
    background-color: #e7290f;
    width: 120px;
	height: 36px;
    border: none;
    line-height: 36px;
}
.spe{
    background-color: #e7290f !important;
    width: 120px !important;
	height: 36px !important;
    border: none !important;
    line-height: 36px !important;
}
.spe:hover{
    width: 118px !important;
	height: 34px !important;
	border: solid 1px #ffffff !important;
    color: #ffffff !important;
    background-color: transparent !important;
    line-height: 34px !important;
}
.banner_two{
    padding: 55px 0 101px 0;
}
.banner_exp{
    width: 866px;
    margin: auto;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 24px;
	letter-spacing: 0px;
	color: #333333;
    text-align: center;
    margin-top: 24px;
}
.banner_two img{
    display: block;
    width: 1284px;
	height: 655px;
    margin: auto;
    margin-top: 61px;
}
.banner_three{
    width: 100%;
    background-image: url(../../images/industry/building/bg-设计挑战.png);
    background-repeat: no-repeat;
    padding-top: 40px;
    padding-bottom: 80px;
    background-size: cover;
}
.banner_three img{
    display: block;
    width: 722px;
	height: 286px;
    margin: auto;
    margin-top: 65px;
}
.banner_four{
    padding:50px 0 132px 0 ;
}
.banner_four img{
    display: block;
    width: 1236px;
	height: 395px;
    margin: auto;
    margin-top: 65px;
}
.banner_five{
    width: 100%;
	height: 971px;
    background-image: url('../../images/industry/building/bg-解决方案.png');
    background-repeat: no-repeat;
    background-size: cover;
    padding:65px 0 0 0 ;
}
.banner_five img{
    width: 1269px;
	height: 708px;
    display: block;
    margin: auto;
    margin-top: 51px;
}
.banner_six{
    padding:70px 0 62px 0;
}
.banner_six_m{
    margin-top: 7px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.banner_six_m_b{
    display: flex;
    margin-top: 86px;
}
.banner_six_m_b_img img{
    width: 50px;
	height: 50px;
}
.banner_six_m_b_panel{
    margin-left: 36px;
}
.banner_six_m_b_panel_t{
    font-size: 20px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #333333;
}
.banner_six_m_b_panel_exp{
    width: 400px;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #333333;
    margin-top: 12px;
}
.banner_seven{
    background-color: #fbfbfb;
    padding: 46px 0 40px 0;
}
.banner_seven_m{
    margin-top: 44px;
}
.banner_eight{
    padding:70px 0 120px 0 ;
}
.banner_eight img{
    margin: auto;
    width: 1200px;
	height: 230px;
    margin-top: 82px;
}