* {
    padding: 0;
    margin: 0;
    font-size: 17px;
    color: #333;
}

img {
    width: auto;
    max-width: 100%;
}

.article .l-img img{
	width: 300px;
   height:160px;
}

a {
    text-decoration: none;
}

ul li {
    list-style: none;
}

.container {
    width: 1024px;
    margin: 0 auto;
}

.header .container {
    display: flex;
    justify-content: space-between;
}

.header .logo {
    height: 60px;
    width: 260px;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.header .logo:before {
    content: "";
    position: absolute;
    width: 150px;
    height: 10px;
    background-color: rgba(255, 255, 255, .5);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-animation: searchLights 3s ease-in 3s infinite;
    animation: searchLights 3s ease-in 3s infinite;
}

@-webkit-keyframes searchLights {
    0% {
        left: -190px;
        top: 0
    }
    to {
        left: 190px;
        top: 0
    }
}

.header .nav {
    width: 764px;
    display: flex;
    justify-content: space-around;
    line-height: 80px;
}

.header .nav a {
    display: block;
    font-size: 18px;
    padding: 0 8px;
}

.header .nav span {
    border: 1px solid #2065d0;
    padding: 3px 5px;
    border-radius: 20px;
    height: 20px;
}

.kf {
    background: url("../image/kf.png")/*tpa=https://www.77de.com/static/image/kf.png*/ no-repeat;
    background-size: cover;
    height: 20px;
    width: 20px;
    display: inline-block;
    vertical-align: middle;
}

.header .nav .a-active {
    color: #083191;
    position: relative;
}

.header .nav .a-active:after {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    height: 3px;
    content: '';
    background-color: #083191;
}

.lunbo {
    background: url("../image/lunbo.png")/*tpa=https://www.77de.com/static/image/lunbo.png*/ no-repeat;
    background-size: cover;
    height: 520px;
}

.lunbo h1 {
    color: white;
    text-align: center;
    padding-top: 120px;
    font-size: 64px;
}

.choose-p {
    width: 500px;
    height: 55px;
    background: #fdfdfd;
    text-align: center;
    margin: 35px auto;
    line-height: 55px;
    border-radius: 30px;
    font-size: 28px;
}

.product {
    background-color: #198fa0;
    text-align: center;
}

.product .container {
    display: flex;
    justify-content: space-between;
}

.product a {
    width: 25%;
    display: block;
}

.product-item {
    margin: 40px 0px;
    border-right: 2px solid #31b9cd;
}

.product a:nth-child(4) .product-item {
    border-right: none;
}

.product a h2 {
    font-size: 28px;
    font-weight: 300;
    color: #fff;
}

.product a p {
    font-size: 18px;
    color: #fff;
    border: 1px solid #31b9cd;
    width: 140px;
    height: 50px;
    margin: 20px auto 10px auto;
    line-height: 50px;
    border-radius: 10px;
}

.p-a-active {
    background: #31b9cd;
    position: relative;
}

.p-a-active:after {
    position: absolute;
    content: '';
    bottom: -15px;
    left: 113px;
    width: 30px;
    height: 30px;
    background: #31b9cd;
    display: inline-block;
    transform: rotate(134deg);
    -webkit-transform: rotate(134deg); /*Safari 4+,Google Chrome 1+ */
    -moz-transform: rotate(134deg); /*Firefox 3.5+*/
}

.bg-gray {
    background-color: #fafafa;
}

.bg-blue {
    background-color: #eaf6fd;
}

.section .b-img {
    width: 100%;
    margin-bottom: 75px;
}

.s-info {
    text-align: center;
}

.s-info h2 {
    font-size: 30px;
    font-weight: normal;
    padding-top: 75px;
}

.s-info p {
    font-weight: 300;
    line-height: 30px;
    margin: 20px 0px 30px 0px;
    font-size: 16px;
}

.i-right {
    width: 510px;
    text-align: right;
    margin: 30px auto 40px auto !important;
}

.s-vs {
    display: flex;
    justify-content: space-between;
}

.vs-item {
    width: 50%;
    text-align: center;
    margin-bottom: 70px;
}

.vs-item h3 {
    text-align: center;
    margin: 20px 0px;
    font-size: 28px;
}

.vs-item:nth-child(1) h3 {
    color: #1a8bea;
}

.vs-item:nth-child(2) h3 {
    color: #e55a5b;
}

.vs-item p {
    text-align: left;
    font-weight: 300;
    font-size: 14px;
    padding: 0 20px;
}

.marketing {
    background-color: #198fa0;
    text-align: center;
    clear: both;
}

.marketing .container {
    display: flex;
    justify-content: space-between;
}

.marketing-item {
    width: 25%;
    display: block;
    margin: 40px 0px;
    border-right: 2px solid #31b9cd;
}

.marketing-item:nth-child(4) {
    border-right: none;
}

.marketing h2 {
    font-size: 38px;
    color: #fff;
}

.marketing p {
    font-size: 18px;
    color: #fff;
    margin: 10px auto;
}

.marketing .t-small {
    font-size: 14px;
}

.footer {
    background: url("../image/bg-footer.png")/*tpa=https://www.77de.com/static/image/bg-footer.png*/ no-repeat;
    background-size: cover;
    clear: both;
}

.footer .container {
    display: flex;
    justify-content: space-between;
}

.footer .ewm {
    width: 110px;
    height: 110px;
    margin-right: 15px;
}

.footer h2 {
    color: #fff;
    margin-top: 60px;
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: normal;
}

.footer .nav div, .footer .nav a {
    color: #fff;
    font-weight: 300;
    line-height: 30px;
}


.footer .nav:nth-child(1) .nav-info {
    display: flex;
}

.c-right {
    text-align: center;
    color: #5694b5;
    margin-top: 10px;
    font-size: 14px;
}

.qq-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 163px;
}

.qq-contact a {
    height: 60px;
    margin-bottom: 10px;
    border-radius: 4px;
    line-height: 60px;
}

.q-c-1 {
    background-color: #1d7e8c;
}

.q-c-2 {
    background-color: #083191;
}

.q-c-1, .q-c-2 {
    display: flex;
}

.q-c-1 div, .q-c-2 div {
    color: #fff;
}

.q-c-1 img, .q-c-2 img {
    height: 30px;
    padding-top: 15px;
    margin-left: 15px;
    margin-right: 15px;
}

.q-c-3 {
    background-color: #cacaca;
    text-align: center;
    display: block;
}

.q-c-3 img {
    height: 30px;
    margin-top: 15px;
}

.q-c-info {
    text-align: center;
    font-size: 14px;
}

.article {
    padding-bottom: 70px;
}

.article .title {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    margin-top: 50px;
}

.article .nav {
    line-height: 50px;
    background-color: #fafafa;
}

.article .nav .container {
    display: flex;
    justify-content: space-between;
}

.article .nav .jqdt {
    font-size: 18px;
}

.article .nav .back {
    color: red;
}

.article h2 {
    text-align: center;
    padding-top: 60px;
    font-size: 24px;
}

.article h3 {
    text-align: center;
    padding: 20px 0px;
    font-weight: 300;
    font-size: 14px;
}

.article p {
    line-height: 40px;

}

.article .q-a-item .question {
    border-bottom: 1px dashed #ddd;
    line-height: 50px;
}

.article .q-a-item .answer {
    font-size: 14px;
    font-weight: 300;
    line-height: 28px;
    margin: 10px 0px;
}

.article .about-info {
    margin-top: 30px;
    line-height: 30px;
}

.why-choose {
    background: url("../image/intro-bg.jpg")/*tpa=https://www.77de.com/static/image/intro-bg.jpg*/ no-repeat;
    background-size: cover;
    height: 550px;
}

.why-choose .wc-title {
    text-align: center;
    font-size: 36px;
    padding: 50px 0px;
    font-weight: normal;
}

.why-choose .container {
    display: flex;
    justify-content: space-between;
}

.why-choose .intro {
    border: 0px solid rgba(255, 255, 255, 0.6);
    background: #0896fa;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    padding: 50px 15px 20px 15px;
    height: 240px;
    width: 200px;
}

.why-choose .intro h2 {
    color: #fff;
    text-align: center;
    margin: 15px 0 20px 0;
    font-size: 18px;
}

.why-choose .intro p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    text-align: left;
}

.why-choose .intro i {
    display: block;
    margin: 0 auto;
    width: 50px;
    height: 50px;
}

.why-choose .intro:nth-child(1) i {
    background: url("../image/intro1.png")/*tpa=https://www.77de.com/static/image/intro1.png*/ no-repeat;
    background-size: cover;
}

.why-choose .intro:nth-child(2) i {
    background: url("../image/intro2.png")/*tpa=https://www.77de.com/static/image/intro2.png*/ no-repeat;
    background-size: cover;
}

.why-choose .intro:nth-child(3) i {
    background: url("../image/intro3.png")/*tpa=https://www.77de.com/static/image/intro3.png*/ no-repeat;
    background-size: cover;
}

.why-choose .intro:nth-child(4) i {
    background: url("../image/intro4.png")/*tpa=https://www.77de.com/static/image/intro4.png*/ no-repeat;
    background-size: cover;
}

.cooperate {
    height: 490px;
}

.cooperate .co-title {
    text-align: center;
    font-size: 36px;
    padding: 50px 0px;
    font-weight: normal;
}

.cooperate .container {
    display: flex;
    justify-content: space-between;
}

.cooperate .co-item {
    padding: 15px 45px;
    border: 1px solid #ddd;
    border-radius: 4px;
    height: 230px;
    background: #f6f6f6;
    width: 400px;
}

.cooperate .co-item h2 {
    text-align: center;
    margin: 15px 0 25px 0;
    font-size: 22px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}

.cooperate .co-item p {
    font-size: 15px;
    color: #666;
    text-align: left;
    line-height: 1.8;
}

.article .home .list {
    width: 50%;
    float: left;
    box-sizing: border-box;
}

.article .home p {
    line-height: 25px;
}

.article .home h2 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.article .home .desc{font-size: 13px;}
.article .home .more{float:right;font-size: 13px; color: #083191;}
.article .title1{text-align:left;margin-left: 390px;}

.article .list {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding: 10px 0;
}
.article .home .list{padding: 10px 0;/*padding-right: 50px;*/    height: 135px;overflow: hidden;}
.article .home .list:nth-child(2n) {padding: 10px 0; padding-left: 50px;}
.article .list h2 {
    padding: 0px;
    text-align: left;
    font-weight: 400;
    font-size: 18px;
}

.article .list .r-info small {
    font-weight: 300;
    font-size: 14px;
}

.article .list .l-img {
    width: 50%;
    max-width: 300px;
    margin-right: 10px;
}

.article .list .a-detail a {
    color: #083191;
}

.pagination {
    display: flex;
}

.pagination li {
    display: block;
    float: left;
    margin-right: 10px;
    padding: 2px 12px;
    border: 1px #cccccc solid;
    background: #fff;
    text-decoration: none;
    color: #808080;
    font-size: 12px;
    line-height: 26px;
}


.pagination .disabled {
    background-color: #fafafa !important;
}

.pagination .active {
    background-color: orangered !important;
}

.pagination .active span {
    color: #fff;
}

.yqlj {
    margin-top: 10px;
    padding: 10px 0px;
    border-top: 1px solid #333333;
    border-bottom: 1px solid #333333;
    clear: both;
    width: 100%;
}

.yqlj span, .yqlj a {
    color: #9e9e9e;
    margin-right: 10px;
}
.down-item {
    box-shadow: 3px 3px 7px #eee, -3px 3px 7px #eee, 3px -3px 7px #eee;
    padding: 30px;
    margin-bottom: 30px;
    display: flex;
}

.down-item:nth-child(1) {
    margin-top: 30px;
}

.down-item h2 {
    text-align: left;
    padding: 0px 0px 10px 0px;
}

.down-item .time {
    font-size: 13px;
    color: #888;
    margin-bottom: 20px;
}

.down-item .dbtn {
    margin-top: 20px;
    background-color: rgb(0, 123, 255);
    border-color: rgb(0, 123, 255);
    color: #fff;
    padding: 5px 20px;
    border-radius: 3px;
}

.down-item .img {
    width: 30%;
    max-width: 300px;
    margin-right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.down-item .img img {
    width: 100%;
}
.rightNev{
	position: fixed;
	right: 30px;
	bottom: 30px;
	z-index: 3;
	cursor: pointer;
}
.scrollTextcom { width: 1024px; margin: 0 auto;}