.gray {
    background: #F0F2F5;
}
.zbff-banner {
    height: 600px;
    background: url(../img/zbff/zbff_banner.png) no-repeat;
    background-size: cover;
    width: 100%;
    box-sizing: border-box;
    padding-top: 209px;
}
.zbff-banner p.big-words {
    font-size: 58px;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 70px;   
}
.zbff-banner p.big-words.font-size-50 {
    font-size: 50px;
}
.zbff-banner p.small-words {
    font-size: 30px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 42px;
    margin-top: 60px;
    margin-bottom: 18px;
}
.zbff-banner p.last-words {
    font-size: 24px;
    font-weight: 400;
    color: #FF5B29;
    line-height: 32px;  
}
.china-jiajia {
    padding-bottom: 100px;
}
.china-jiajia .china-jiajia-item {
    position: relative;
    width: 383px;
    height: 284px;
    transition: .2s;
}
.china-jiajia .china-jiajia-item:nth-child(2) {
    margin: 0 25px;
}
.china-jiajia .china-jiajia-item img {
    width: 100%;
    height: 100%;
}
.china-jiajia .china-jiajia-item .zbff-service {
    display: block;
    width: 100%;
    height: 100%;
    cursor: pointer;
    position: absolute;
    top:0;
    left: 0;
    display: none;
    background: rgba(0,0,0,0.7);
    border-radius: 20px;
}
.china-jiajia .china-jiajia-item .zbff-service img {
    width: 199px;
    height: 56px;
    margin: 115px auto;
    display: block;
}
.china-jiajia .china-jiajia-item:hover .zbff-service {
    display: block;
}
.zbff-news {
    padding-bottom: 150px;
}
.zbff-news .first-level-title {
    padding-top: 80px;
}
.zbff-news .zbff-news-item {
    width: 231px;
    height: 102px;
    margin: 10px 4px;
    cursor: pointer;
}
.zbff-news .zbff-news-item:hover {
    box-shadow: 2px 2px 10px #ccc;
}
.zbff-news img {
    width: 100%;
    height: 100%;
}
.zbff-case .case-item {
    padding: 100px 0 70px 0;
}
.zbff-case .case-item .logo,
.zbff-case .case-item .erweima {
    margin-left: 35px;
    margin-bottom: 13px;
}
.zbff-case .case-item .introduction {  
    width: 526px;
    background: #fff; 
    box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.2);
    border-radius: 10px 10px 10px 10px;
    margin-bottom: 25px;
    padding: 30px 35px;
    box-sizing: border-box;
}
.zbff-case .case-item .introduction .tit {
    font-size: 24px;
    font-weight: bold;
    color: #FF5B29;
    line-height: 33px;
    border-bottom: 1px solid #FF5B29;
    padding-bottom: 15px;
}
.zbff-case .case-item .introduction .word {
    font-size: 16px;
    color: #313131;
    line-height: 27px;
    padding: 22px 0px;
}
.zbff-case .case-item .introduction .last {
    font-size: 16px;    
    color: #313131;
    line-height: 27px;
}
.zbff-case .case-item .introduction .last i {
    color: #FF5B29;
    font-size: 16px;
}
.footer-bg-container {
	height: 200px;
	background: url(../img/index_new_footer_bg.jpg) no-repeat center top;
	background-size: cover;
	align-items: center;
    display: flex;
}
.footer-bg-container a {
	float: right;
	width: 140px;
	height: 42px;
	background: #FF5B29;
	border-radius: 2px;
	text-align: center;
	line-height: 42px;
	font-size: 16px;
	color: #fff;
	cursor: pointer;
	transition: 0.5s;
}
.footer-bg-container a:hover {
	background:#FFAE6C;
    color: #fff;
}
.nav-left-fixed {
    position: fixed;
    left: 30px;
    top: 18%;
    margin-top: 240px;
}
.nav-left-fixed .fixed-menu {
    width: 139px;
    background: #FF5B29;
    border-radius: 10px 10px 10px 10px;
    padding: 8px;
    box-sizing: border-box;
    margin: -10px auto;
    height: 246px;
    overflow: hidden;
}
.nav-left-fixed .fixed-menu-item {
    height: 46px;
    font-size: 20px;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 32px;
    text-align: center;
    line-height: 46px;
    display: block;
    width: 100%;
    cursor: pointer;
    position: relative;
}
.nav-left-fixed .fixed-menu-item:after {
    content: "";
    width: 100px;
    height: 1px;
    background: #fff;
    position: absolute;
    bottom: 0px;
    left: 12px;
}
.nav-left-fixed .fixed-menu-item:last-child:after {
    height: 0;
}
.nav-left-fixed .fixed-menu-item:hover {
    background: #fff;
    color: #434343;
    border:none;
    border-radius: 8px;
    height: 47px;
}
.first-level {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
    padding-bottom: 10px;
}
.tit-icon_01 {
    display: inline-block;
    width: 73px;
    height: 52px;
    background: url(../img/zbff/zbff_tit_01.png) no-repeat;
    background-size: 100%;
    margin-right: 13px;
}
.tit-icon_02 {
    display: inline-block;
    width: 73px;
    height: 52px;
    background: url(../img/zbff/zbff_tit_03.png) no-repeat;
    background-size: 100%;
    margin-right: 13px;
}
.tit-icon_03 {
    display: inline-block;
    width: 73px;
    height: 52px;
    background: url(../img/zbff/zbff_tit_02.png) no-repeat;
    background-size: 100%;
    margin-right: 13px;
}
.first-level span {
    font-size: 36px;
    color: #030303;
    text-align: center;
    font-weight: bold;
}