p {margin: 0;}
input, textarea {border: none;outline: none;background-color: transparent;}

/* 通用样式 */
.p1920 {width: 1920px;position: relative;left: 50%;margin-left: -960px;}
.w1200 {width: 1200px;margin: 0 auto;}
.fl {float: left;}
.fr {float: right;}
.clearfix::after {content: '';display: block;height: 0;clear: both;overflow: hidden;visibility: hidden;}
.dfc {display: flex;justify-content: space-between;align-items: center;}
.ovimg {overflow: hidden;}
.ovimg img {width: 100%;min-height: 100%;}
.imgbig img {-webkit-transition: all ease .5s;-moz-transition: all ease .5s;-ms-transition: all ease .5s;-o-transition: all ease .5s;transition: all ease .5s;}
.imgbig:hover img {-webkit-transform: scale(1.2,1.2);-moz-transform: scale(1.2,1.2);-ms-transform: scale(1.2,1.2);-o-transform: scale(1.2,1.2);transform: scale(1.2,1.2);}
.iw img {width: 100%;}

/* 头部 */
.sh1 {width: 100%;background-color: #0e7ad5;}
.sh1-box div {font-size: 12px;color: #fff;line-height: 37px;}
.sh1-box div p {font-size: 12px;color: #fff;line-height: 37px;}
.sh1-box div a {font-size: 12px;color: #fff;line-height: 37px;}

.sh2 {min-height: 111px;}
.sh2a {margin-top: 27px;     margin-left: -20px;}

.sh2b-ss {margin-left: 54px;width: 141px;height: 27px;border-radius: 14px;margin-top: 39px;background-color: #dcdcdc;}
.sh2b-input {width: 112px;height: 100%;padding-left: 13px;font-size: 12px;color: #888888;}

.sh2b-input::-webkit-input-placeholder {color: #888888;}
.sh2b-input::-moz-placeholder {color: #888888;}
.sh2b-input::placeholder {color: #888888;}
.sh2b-input::-ms-input-placeholder {color: #888888;}

.sh2b-btn {width: 28px;height: 100%;background-image: url(../images/sh2b-btn.png);background-repeat: no-repeat;background-position: left center;}

/* 导航栏 */
.nav1 {}
.nav-li {position: relative;z-index: 999;}
.nav-li+.nav-li {margin-left: 46px;}
.nav-li .nav-a {display: block;line-height: 111px;font-size: 16px;color: #444444;}
.nav-ul {height: 0;overflow: hidden;position: absolute;left: 50%;top: 100%;background-color: #fff;z-index: 999;width: 150px;transform: translateX(-50%);}
.nav-ul li {width: 100%;}
.nav-ul li a {width: 100%;line-height: 38px;text-align: center;display: block;color: #444444;}

.nav-li:hover .nav-a {color: #0e7ad5;}
.nav-ul li a:hover {}

/* 产品中心 */
.s1 {background-image: url(../images/s1.jpg);background-repeat: no-repeat;background-size: 100% 100%;min-height: 1123px;}

.s1-box {padding-top: 64px;}
.s1a {text-align: center;background-image: url(../images/s1a.png);background-repeat: no-repeat;background-position: center 12px;}
.s1a h3 {font-size: 40px;color: #0e7ad5;}
.s1a p {font-size: 18px;color: #999999;text-transform: uppercase;font-family: Arial;margin-top: 14px;}

.s1b {margin-top: 68px;}
.s1b-btn ul {text-align: center;}
.s1b-btn ul li {padding: 0 9px;height: 34px;line-height: 34px;border-radius: 10px;background-color: #e2e2e2;font-size: 17px;color: #333333;display: inline-block;    margin-bottom: 15px; }
.s1b-btn ul li+li {margin-left: 20px;}
.s1b-btn ul li a {color: #333333;}

.s1b-btn ul li:hover {background-color: #0e7ad5;color: #fff;}
.s1b-btn ul li:hover a {color: #fff;}

.s1b-con {margin-top: 49px;}
.s1b-con ul li {width: 280px;margin-right: 26px;box-shadow: 1px 1px 5px rgba(7, 0, 2, .16);}
.s1b-con ul li:nth-child(4n) {margin-right: 0;}
.s1b-con ul li:nth-child(n+5) {margin-top: 37px;}
.s1b-con ul li a {display: block;width: 100%;}
.s1b-con ul li a div {width: 100%;height: 239px;}
.s1b-con ul li a h3 {width: 100%;border: 1px solid #e7e7e7;border-top: none;line-height: 49px;text-align: center;background-color: #fff;display: block;font-size: 16px;color: #333333;}

.s1b-con ul li a:hover h3 {color: #01308b;}

.s1-box .s1c {display: block;width: 204px;text-align: center;height: 58px;line-height: 58px;margin: 52px auto 0;font-size: 16px;color: #fff;background-image: url(../images/s1c.jpg);background-repeat: no-repeat;}

/* 关于我们 */
.s2 {min-height: 386px;background-image: url(../images/s2.jpg);background-repeat: no-repeat;}
.s2-box {padding-top: 67px;}
.s2a {font-size: 40px;color: #fff;}
.s2a span {font-size: 18px;color: rgba(255, 255, 255, .5);text-transform: uppercase;display: inline-block;margin-left: 32px;transform: translateY(4px);}

.s2b {width: 66px;border-top: 3px solid #fff;height: 0;margin-top: 26px;}

.s2c {margin-top: 45px;width: 741px;}
.s2c p {font-size: 15px;color: #fff;line-height: 32px;}

.s2d {margin-top: 20px;}
.s2d div {width: 504px;height: 0;border-top: 1px solid rgba(255, 255, 255, .5);margin-top: 23px;}
.s2d a {display: block;width: 46px;height: 46px;margin-left: 32px;border: 1px solid rgba(255, 255, 255, .5);text-align: center;line-height: 44px;font-family: "宋体";font-size: 29px;color: rgba(255, 255, 255, .5);}

.s2d a:hover {background-color: #01458f;border-color: #01458f;color: #e9ecf2;}

/* 关于我们下的列表 */
.s3 {border-bottom: 1px solid #efefef;}
.s3-box {padding-top: 60px;padding-bottom: 64px;}
.s3-box ul {padding: 0 35px;}
.s3-box ul li {width: 350px;height: 316px;margin-right: 40px;}
.s3-box ul li:nth-child(3n) {margin-right: 0;}
.s3-box ul li a {display: block;width: 100%;height: 100%;padding-top: 212px;padding-right: 55px;text-align: end;}
.s3-box ul li a h3 {font-size: 28px;color: #ffffff;}
.s3-box ul li a p {font-size: 14px;font-family: Arial;color: rgba(255, 255, 255, .5);margin-top: 12px;text-transform: uppercase;}

.s3-box ul li:nth-child(2) a {padding-top: 175px;}

/* 应用案例 */
.s4-box {padding-top: 57px;padding-bottom: 53px;}
.s4a {text-align: center;background-image: url(../images/s1a.png);background-repeat: no-repeat;background-position: center 12px;}
.s4a h3 {font-size: 40px;color: #0e7ad5;}
.s4a p {font-size: 18px;color: #999999;text-transform: uppercase;font-family: Arial;margin-top: 14px;}

.s4b {margin-top: 54px;height: auto;width: 100%;overflow: hidden;}

.s4b1 {height: auto;}

.s4b1-box {width: 550px;padding: 0 25px;}
.s4b1-box a {display: block;width: 100%;}
.s4b1-box a div {width: 100%;height: 356px;}
.s4b1-box a h3 {text-align: center;font-size: 16px;color: #666666;margin-top: 35px;display: none;}

.s4b1-box.swiper-slide-active a h3 {display: block;}

.s4b-nav {width: 100%;text-align: center;margin-top: 74px;}
.s4b-nav span {margin: 0 7px;background-color: #d9d9d9;width: 10px;height: 10px;border: 2px solid #d9d9d9;opacity: 1;}
.s4b-nav span.swiper-pagination-bullet-active {opacity: 1;background-color: transparent;border-color: #1a81d7;}

/* 新闻 */
.s5 {background-color: #f5f5f5;}
.s5-box {padding-top: 63px;padding-bottom: 75px;}

.s5a {width: 390px;position: relative;}
.s5a1 {font-size: 30px;color: #333;}

.s5a2 {margin-top: 20px;}
.s5a2-con ul li {width: 390px;height: 104px !important;padding-left: 20px;padding-top: 27px;margin-bottom: 12px;}
.s5a2-con ul li p {font-size: 14px;color: #666666;}
.s5a2-con ul li a {display: block;margin-top: 17px;font-size: 18px;color: #333;}

.s5a2-con ul li:hover {background-color: #0e7ad5;}
.s5a2-con ul li:hover p {color: #fff;}
.s5a2-con ul li:hover a {color: #fff;}

.s5a2-btn {position: absolute;right: 0;top: 0;width: 60px;height: 30px;border: 1px solid #cbcdd2;}
.s5a2-btn a {display: block;width: 30px;height: 30px;text-align: center;line-height: 30px;font-size: 20px;font-family: "宋体";color: #a6aab2;position: absolute;top: -1px;}
.s5a2-btn a.prev {left: -1px;}
.s5a2-btn a.next {right: -1px;}
.s5a2-btn a:hover {background-color: #0e7ad5;color: #fff;}

.s5b {width: 752px;}
.s5b1 h3 {font-size: 30px;color: #333333;line-height: 30px;}
.s5b1 a {display: block;line-height: 30px;padding-right: 21px;font-size: 14px;color: #999999;background-image: url(../images/s5b1.jpg);background-repeat: no-repeat;background-position: right center;}

.s5b2 {margin-top: 48px;}
.s5b2 li {width: 350px;}
.s5b2 li+li {float: right;}
.s5b2-img {width: 100%;height: 248px;}

.s5b2-con {background-color: #fff;width: 100%;height: 176px;padding-top: 35px;padding-left: 20px;}
.s5b2-con p {font-size: 14px;color: #999999;}
.s5b2-con a {display: block;font-size: 18px;color: #333333;margin-top: 20px;}

/* 合作伙伴 */
.s6-box {padding-top: 49px;}
.s6-box ul {padding: 0 2px;}
.s6-box ul li {width: 276px;height: 163px;margin-right: 30px;}
.s6-box ul li:nth-child(4n) {margin-right: 0;}
.s6-box ul li a {display: block;width: 100%;height: 100%;border: 3px solid #f5f5f5;}

.s7-box {padding-top: 29px;padding-bottom: 7px;font-size: 14px;color: #333333;font-family: "宋体";}
.s7-box a {color: #333333;}

/* 底部 */
footer {min-height: 283px;background-image: url(../images/footer.jpg);background-repeat: no-repeat;}
.footer {padding-top: 43px;padding-bottom: 45px;}
.sf1 {margin-top: 32px;width: 408px;}
.sf1 h3 {font-size: 24px;color: #fff;font-weight: bold;line-height: 1;}
.sf1 h4 {margin-top: 15px;font-size: 12px;color: #fff;font-weight: bold;line-height: 1;}
.sf1 div {margin-top: 20px;}
.sf1 div p {font-size: 14px;color: #fff;line-height: 27px;}

.sf2 {width: 0;height: 143px;border-left: 1px solid rgba(255, 255, 255, .18);margin-top: 32px;}

.sf3 {margin-top: 32px;margin-left: 100px;}
.sf3 p {font-size: 24px;color: #ffffff;font-weight: bold;}
.sf3 div {margin-top: 15px;font-size: 14px;color: #fff;line-height: 27px;}
.sf3 div a {color: #ffffff;}

.sf4 {background-color: rgba(255, 255, 255, .14);padding: 11px 15px 15px;}
.sf4 img {width: 141px;height: 141px;}
.sf4 p {text-align: center;margin-top: 14px;font-size: 14px;color: #fff;}