.introduce_banner_wrap{
    position: relative;
}
.introduce_banner_nav{
    width: 100%;
    height: 13%;
    position: absolute;
    bottom: 4%;
    text-align: center;
}
.introduce_banner_nav a{
    display: inline-block;
    /*padding: 0.3em 0.5em;
    background: #e09806;
    color: #000;
    border-radius: 0.4rem;
    -moz-border-radius: 0.4rem;
    -o-border-radius: 0.4rem;
    -webkit-border-radius: 0.4rem;
    -ms-border-radius: 0.4rem;
    margin: 0 0.2em;*/
    font-size: 0px;
    width: 19%;
    height: 100%;
    margin: 0 0.5%;
}
/*@media screen and (max-width: 420px) and (min-width: 320px){
    .introduce_banner_nav a{
        padding: 0.1em 0.2em;
        margin: 0 0.1em;
        font-size: 1.2rem;
    }
}*/
.introduce_banner_nava{
    width: 100%;
    position: absolute;
    bottom: 8%;
    text-align: center;
}
.introduce_banner_nava a{
    display: inline-block;
    padding: 0.3em 0.5em;
    background: #e09806;
    color: #000;
    border-radius: 0.4rem;
    -moz-border-radius: 0.4rem;
    -o-border-radius: 0.4rem;
    -webkit-border-radius: 0.4rem;
    -ms-border-radius: 0.4rem;
    margin: 0 0.2em;
}
@media screen and (max-width: 420px) and (min-width: 320px){
    .introduce_banner_nava a{
        padding: 0.1em 0.2em;
        margin: 0 0.1em;
        font-size: 1.2rem;
    }
}
.banner_btm p{
    padding-bottom: 0.5em;
}
.introduce_list li{
    padding: 4% 2% 3%;
    border-bottom: 1px solid #e8e8e9;
}
.introduce_list h3{
    font-size: 1.6rem;
    margin-bottom: 0.5em;
}
.introduce_list p{
    padding-right: 2em;
    position: relative;
    margin: 0.4em 0px;
}
.introduce_list p span{
    color: #f40404;
}
.introduce_list p a{
    font-size: 1.8rem;
    display: inline-block;
    width: 1.8rem;
    line-height: 1.8rem;
    background: #e2573b;
    color: #fff;
    text-align: center;
    position: absolute;
    top: 0;
    right: 0;
}
@media screen and (max-width: 440px) and (min-width: 320px){
    .introduce_list h3{
        font-size: 1.4rem;
    }
}
/*手机站产品中心内页*/
.product_inf_zone li{
    padding: 5% 3%;
    background: #e2edef;
    border-bottom: 0.3rem solid #322d2a;
}
.product_inf_zone li p{
    padding-top: 1em;
}
/*奕歌图片库*/
.picture_show{
    padding: 3% 0;
    width: 96%;
    margin: 0 auto;
}
.picture_show li{
    width: 48%;
    height: auto;
    padding: 0 1%;
    float: left;
    cursor: pointer;
}
.picture_show li p{
    height: 3em;
    text-align: center;
    padding-top: 0.5em;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.picture_show li img{
    display: block;
    width: 100%;
    height: auto;
}
.picture_show li.hide{
    display:none;
}
.show_more{
    text-align: center;
    font-size: 1.6rem;
    padding-bottom: 1em;
    cursor: pointer;
}
.show_more span{
    display: inline-block;
    padding: 0.5em 0.5em 0.5em 2em;
    background: url(../vimg/picture_show_more.png) no-repeat left center;
}
.pictureBig_show_zone{
    position: fixed;
    width: 100%;
    height: 100%;
    max-width: 640px;
    background:#000000 url(../vimg/picture_big_01.jpg) no-repeat center center;
    -webkit-background-size: contain;
    background-size: contain;
}
.pictureBig_show_zone .back_picture{
    color: #fff;
    font-size: 1.6rem;
    line-height: 1.8em;
    padding:0.5em 1em;
    display: inline-block;
}
.pictureBig_show_zone p{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 1em 0;
    text-align: center;
    color: #fff;
    font-size: 1.6rem;
}



/* v5 list case */
.nav_bg{background:#f0ecec;display: inline-block;width: 100%;}
.casenav {margin: 1.25em auto 1.125em;text-align: center;background:#fff;padding: 1.8em;}
.casenav ul{width: 90%;margin: 0 auto;}
.casenav li{float: left;margin-right: 10.0000%;font-size: 33.11px;}
.casenav li:last-child{margin-right: 0;}
.casenav li a{color: #000; font-weight:bold;}

.v5list{width: 93.4375%;margin:0 auto;}
.v5list .item .img {width: 32.7759%;height: auto;float: right;margin-top: 1%;}
/*.v5list .item .img img {border-radius:10px;}*/
.casev5_con .item {
    margin-bottom: 0;
    border-bottom: 1px solid #f0ecec;
    padding-bottom: 3%;
    padding-top: 2%;
}
.casev5_con .item .txt h3 {
    padding-left: 0em;font-size: 28.3px;
    line-height: 1.5em;
    padding-right:1em;vertical-align:top; 
    overflow: hidden;margin-top: -1%;
}
.casev5_con li{ display:none;}
.casev5_con li.on{ display: block;}
.casev5_con .item{
    height: auto;
    overflow: hidden;;
    background-color:#fff;
}
.casev5_con_bdn .item:last-child{
    border-bottom: none;
}
.casev5_con .item .txt {
height: 100%;vertical-align:middle; float:right; width:67.2241%;
}
.casev5_con .item .txt h3 a{
    color: #000;font-weight:400; 
}

.zt{margin: 5% auto 0;border-bottom: 1px solid #f0ecec;padding-bottom: 5%;position: relative;}
/*.zt h3{font-size: 37.64px;font-weight: normal;line-height: 1.4em;margin-bottom: 1%;position: absolute; top: 5%;display: block;  width: 100%;  text-align: center;}
.casev5_con .zt a h3{color: #fff;}*/
.zt h3{font-size: 32.8px;font-weight: bold;line-height: 1.4em;margin-bottom: 1%;position: absolute; top: 0%;display: block;  width: 96%;  text-align: center;background: url(../vimg/tit_bg.png) repeat center center;padding: 2%; margin:0; font-weight:normal !important; text-shadow:0 0 0.01em #000, -0 -0 0.01em #000; text-align:inherit;}
.zt a h3 span{color: #fff;}
/* v5 list gzsp */
.v5list_sp{width: 100%;margin:0 auto;}
.nav_sp{margin: 4% auto;}
.nav_sp ul{width: 85.3125%;margin: 0 auto;}
.nav_sp li{float: left;margin-right: 16.5%;font-size: 26px;}
.nav_sp li a{color: #ba956b;}

.nav_yz{margin: 4% auto;}
.nav_yz ul{width: 85.3125%;margin: 0 auto;}
.nav_yz li{float: left;margin-right: 14%;font-size: 26px;}
.nav_yz li a{color: #ba956b;}

.sp{margin: 3% auto 0;padding-bottom: 6.5813%;position: relative;}
.sp h3{font-size: 30.8px;font-weight: bold;line-height: 1.4em;margin-bottom: 1%;position: absolute; top: 0%;display: block;  width: 96%;  text-align: center;background: url(../vimg/tit_bg.png?1) repeat center center;padding: 2%;}
.casev5_con .sp a h3 span{color: #fff;}
.sp .spico{background: url(../vimg/spico.png) no-repeat center center; background-size:100%; position: absolute;top: 0;width: 100%; height:100%;display: block;text-align: center;}

.page_al{margin: 12% auto 25%;}
.page_al li{ display: inline-block; width: 2.5em;height: 2em;line-height: 2em;}
.page_al li a{display: block;-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box;color: #000;font-size: 24.46px;}
.page_al li.this a{background: #cc0001;color: #000;border-color: #cc0001;}
.page_al .qh a{font-size: 2.6rem;}

.page_sp{margin: 5% auto 25%;}
.page_sp li{ display: inline-block; width: 2.5em;height: 2em;line-height: 2em;}
.page_sp li a{display: block;-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box;color: #000;font-size: 24.46px;}
.page_sp li.this a{background: #cc0001;color: #000;border-color: #cc0001;}
.page_sp .qh a{font-size: 2.6rem;}

@media screen and (max-width:320px)
{
.casenav {margin: 1em auto .8em;padding: 1.2em;}
.casenav li{font-size: 1.25em;letter-spacing: 0.1em;}
.casev5_con .item .txt h3{font-size: 1.25em;}
.zt h3 {font-size: 19.4px;}
.nav_sp li{margin-right: 8.6%;font-size: 16px;}
.nav_yz li{margin-right: 8.6%;font-size: 16px;}
.sp h3{font-size: 15.4px;}
.page_al li a,.page_al .qh a{font-size: 12px;}
}
@media screen and (min-width:321px) and (max-width:360px)
{
.casenav {margin: 1em auto .8em;padding: 1.2em;}
.casenav li{font-size: 1.425em;letter-spacing: 0.1em;}
.casev5_con .item .txt h3 {font-size: 1.38em;}
.zt h3 {font-size: 21.325px;}
.nav_sp li{margin-right: 8.6%;font-size: 18px;}
.nav_yz li{margin-right: 8.6%;font-size: 18px;}
.sp h3{font-size: 17.325px;}
.page_al li a,.page_al .qh a{font-size: 13px;}
}
@media screen and (min-width:361px) and (max-width:375px)
{
.casenav {margin: 1em auto .8em;padding: 1.2em;}
.casenav li{font-size: 1.5em;letter-spacing: 0.1em;}
.casev5_con .item .txt h3 {font-size: 16.58px;}
.zt h3 {font-size: 22.046875px;}
.nav_sp li{margin-right: 10.5%;font-size: 18px;}
.nav_yz li{margin-right: 10.5%;font-size: 18px;}
.sp h3{font-size: 18.046875px;}
.page_al li a,.page_al .qh a{font-size: 14.33px;}
}
@media screen and (min-width:376px) and (max-width:414px)
{
.casenav {margin: 1em auto .8em;padding: 1.2em;}
.casenav li{font-size: 1.4em;letter-spacing: 0.1em;}
.casev5_con .item .txt h3 {font-size: 1.38em;}
.zt h3 {font-size: 23.92375px;}
.nav_sp li{margin-right: 10%;font-size: 20px;}
.nav_yz li{margin-right: 10%;font-size: 20px;}
.sp h3{font-size: 19.92375px;}
.page_al li a,.page_al .qh a{font-size: 16px;}
}
@media screen and (min-width:415px) and (max-width:639px)
{
.casenav {margin: 1em auto .8em;padding: 1.2em;}
.casenav li{font-size: 1.6em;letter-spacing: 0.1em;}
.casev5_con .item .txt h3 {font-size: 1.5em;}
.zt h3 {font-size: 28.9875px;}
.nav_sp li{margin-right: 10%;font-size: 24px;}
.nav_yz li{margin-right: 10%;font-size: 24px;}
.sp h3{font-size: 25.9875px;}
.page_al li a,.page_al .qh a{font-size: 18px;}
}