* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    background-color: #fff;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: rgb(34, 34, 34);
}

img {
    vertical-align: top;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}
.bgc_f7 {
    background-color: #f7f7f7;
}


.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.nav-selected {
    color: #C0312C;
}

.header {
    position: fixed;
    width: 100%;
    top: 0;
    height: 80px;
    color: rgb(34, 34, 34);
    font-weight: 500;
    box-shadow: 0 0.02rem 0.44rem 0 #eee;
    background-color: #fff;
    z-index: 1;
}

.header .content {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}

.header .content h1 {
    display: block;
    float: left;
    width: 135px;
    height: 80px;
    background: url('./images/logo.png') no-repeat left top;
    background-size: 135px 80px ;
    text-indent: -9999px;
    overflow: hidden;
}

.header .content .nav {
    position: relative;
    float: left;
    height: 80px;
    line-height: 80px;
    margin-left: 40px;
}

.header .content .nav>ul>li {
    float: left;
    position: relative;
    margin-left: 30px;
}

.inner-nav {
    display: none;
    position: absolute;
    left: 0px;
    top: 52px;
    padding: 5px 0;
    width: 95px;
    box-shadow: 0 3px 6px -4px rgba(0,0,0,.12),0 6px 16px 0 rgba(0,0,0,.08),0 9px 28px 8px rgba(0,0,0,.05);
    background-color: #fff;
}

.inner-nav li {
    height: 35px;
    line-height: 35px; 
    padding-left: 15px;
}

.inner-nav li:hover {
    background-color: #f5f5f5;
}


/* 内容版心 */
.app {
    margin: 100px auto;
}

.app .lunbo {
    position: relative;
    width: 1200px;
    height: 370px;
    overflow: hidden;
}

@keyframes mytransform {
    0%{transform:translateX(0);}
    5%{transform:translateX(-1200px);}
    50%{transform:translateX(-1200px);}
    55%{transform:translateX(-2400px);}
    100%{transform:translateX(-2400px);}
}

.app .lunbo .box {
    width: 3600px;
    height: 370px;
    animation: mytransform 5s 2s infinite;
}

.app .lunbo .box img {
    width: 1200px;
    height: 370px;
    float: left;
}

.app .lunbo ul {
    position: absolute;
    left: 50%;
    bottom: 15px;
    translate: -39px 0;
}

.app .lunbo ul li {
    float: left;
    width: 6px;
    height: 6px;
    border-radius: 3px;
    background-color: #fff;
    margin: 0 10px;
    cursor: pointer;
}

.app .lunbo ul li:hover {
    background-color: #000;
}

.app .sum {
    margin: 0 auto;
    width: 1000px;
    height: 140px;
}

.app .sum .number {
    float: left;
    width: 250px;
    height: 140;
}
.app .sum div span {
    display: block;
}

.app .sum div .top {
    height:120px;
    line-height: 120px;
    font-size: 44px;
    color: #f25149;
}

.app .sum div .top::after {
    content: "万＋";
    font-size: 22px;
    margin-left: 10px;
}

.app .sum div .bottom {
    height:20px;
    font-size:17px;
    color: #999;
}

.app .sum .line {
    width: 867px;
    height: 1px;
    background-color: #eee;
    margin-top: 10px;
}

.app .products {
    text-align: center;
    height: 750px;
    margin-top: 70px;
}

.app .products h2 {
    font-size: 35px ;
    color: #222;
    font-weight: 500;
}

.app .products h4 {
    font-size: 17px ;
    color: #666;
    font-weight: 400;
    margin-top: 10px;
}

.app .products ul {
    height: 530px;
    margin: 30px 0 100px;
}

.app .products ul li {
    float: left;
    width: 277px;
    margin-right: 30px;
}

.app .products ul li:last-child {
    margin-right: 0px
}

.app .products ul li dt {
    padding-left: 22px;
    height: 70px;
    background-color: #f25149;
    color: #fff;
    line-height: 70px;
    font-size: 22px;
}

.app .products ul li dd {
    width: 277px;
    height: 95px;
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
}
.app .products ul li dd:hover {
    background-color: hsla(0,0%,96.9%,.6);
    cursor: pointer;
}
.app .products ul li dd:last-child {
    height: 57px;
    line-height: 57px;
    color: #f25149;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.app .products ul li dd img {
    float: left;
    margin: 22px 20px;
    width: 50px;
    height: 50px;
}

.app .products ul li dd div {
    float: right;
    padding: 20px 0;
    width: 181px;
    height: 95px;
    text-align: left;
}

.app .products ul li dd div p:first-child {
    font-size: 22px;
    color: #222;
}
.app .products ul li dd div p:last-child {
    margin-top: 5px;
    font-size: 17px;
    color: #999;
}

/* 全场景覆盖，所有解决方案 */
.app .handle h2 {
    font-size: 35px;
    font-weight: 500;
    line-height: 55px;
    color: #222;
    text-align: center;
}
.app .handle h3 {
    margin-top: 10px;
    font-size: 17px;
    font-weight: 400;
    color: #666;
    text-align: center;
}

/* 全场景覆盖，所有解决方案 content_1 */
.app .handle_content .w1200>img{
    float: left;
    height: 600px;
    width: 570px;
}

.app .handle_content .w1200 .content {
    float: left;
    padding-left: 100px;
    padding-top: 140px;
    padding-right: 70px;
    width: 630px;
    height: 600px;
    text-align: left;
}

.app .handle_content .w1200 .content h2 {
    font-size: 50px;
    color: #222;
    font-weight: 500;
}

.app .handle_content .w1200 .content h3 {
    font-size: 22px;
    color: #222;
    font-weight: 400;
}
.app .handle_content .w1200 .content>p {
    margin-top: 20px;
    font-size: 20px;
    color: #666;
    font-weight: 400;
}

.app .handle_content .w1200 .tool_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
}

.app .handle_content .w1200 .tool_list div {
    display: flex;
    height: 30px;
    margin-right: 18px;
    margin-top: 18px;
}

.app .handle_content .w1200 .content img {
    width: 25px;
    height: 25px;
    margin-right: 8px;
    vertical-align: center;
}

.app .handle_content .w1200 .content span {
    font-size: 20px;
    color: #999;
}


.app .handle_content .w1200 .content>div:nth-of-type(2) {
    margin-top: 20px;
    display: flex;
}

.app .handle_content .w1200 .content>div:nth-of-type(2) div {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.app .market {
    text-align: center;
    margin-bottom: 60px;
}

.app .market h2 {
    margin-top: 100px;
    font-size: 35px;
    color: #222;
    font-weight: 500;
}

.app .market>p {
    margin: 10px auto 0;
    width: 680px;
    font-size: 17px;
    color: #666;
}

.app .market .market_products {
    display: flex;
    margin-top: 50px;
    flex-wrap: wrap;
}

.app .market .market_products div{
    flex: 25%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 300px;
}

.app .market .market_products div:hover {
    box-shadow: 0 0 7px #ddd
}

.app .market .market_products div img {
    width: 90px;
    height: 90px;
}

.app .market .market_products div h3 {
    font-size: 25px;
    font-weight: 500;
    color: #222;
}
.app .market .market_products div p {
    font-size: 13px;
    color: #666;
}

.app .all_shop {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.app .all_shop h2 {
    margin: 35px 0 30px;
    font-size: 35px;
    font-weight: 500;
    color: #222;
}

.app .all_shop h2 strong {
    font-size: 50px;
    font-weight: 500;
}

.app .all_shop .more {
    margin: 50px auto;
    width: 230px;
    height: 54px;
    line-height: 54px;
    background-color: #f25149;
    border-radius: 4px;
    cursor: pointer;
    color: #fff;
    font-size: 20px;
}

.app .news {
    margin: 90px auto;
}

.app .news .content {
    display: flex;
}

.app .news .content .title {
    margin-bottom: 10px;
    font-size: 22px;
    font-weight: 500px;
    color: #666;
}
.app .news .content .left {
    width: 700px;
}

.app .news .content .left div {
    margin-top: 20px;
    height: 70px;
    cursor: pointer;
}

.app .news .content .left div img {
    float: left;
    margin-right: 15px;
    width: 100px;
    height: 70px;
}

.app .news .content .left div p:nth-of-type(1) {
    font-size: 22px;
    font-weight: 500;
    color: #222;
    line-height: 28px;
}

.app .news .content .left div p:nth-of-type(2) {
    white-space: nowrap;
    text-overflow:ellipsis;
    overflow: hidden;
    margin-top: 4px;
    font-size: 17px;
    color: #666;
}

.app .news .content .right {
    margin-left: 120px;
    width: 380px;
}
.app .news .content .right li {
    margin-top: 20px;
    cursor: pointer;
}

.app .news .content .right li p {
    white-space: nowrap;
    text-overflow:ellipsis;
    overflow: hidden;
}

.app .news .content .right span {
    float: left;
    margin-right: 10px;
    width: 23px;
    height: 23px;
    line-height: 23px;
    color: #fff;
    text-align: center;
    background-color: #666;
    border-radius: 8px;
}

.app .news .content .right ul li:nth-of-type(1) span {
    background-color: #F25149;
}

.app .news .content .right ul li:nth-of-type(2) span{
    background-color: #FF7F50;
}

.app .news .content .right ul li:nth-of-type(3) span{
    background-color: #FFD700;
}

.app .news .content .right ul li p {
    font-size: 15px;
}

/* 页脚 */
.footer .top_container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 170px;
    background-color: #f25149;
}

.footer .top_container h2 {
    font-size: 30px;
    line-height: 42px;
    color: #fff;
}

.footer .top_container .input_container {
    display: flex;
    margin-top: 20px;
}

.footer .top_container .input_container input {
    margin-left: 10px;
    padding: 6.5px 11px;
    width: 200px;
    height: 50px;
    border: none;
    border-radius: 5px;
    outline: none;
    font-size: 17px;
}

.footer .top_container .input_container input::placeholder {
    color: #999;
}

.footer .top_container .input_container .submit {
    margin-left: 10px;
    width: 200px;
    height: 50px;
    border-radius: 5px;
    font-size: 22px;
    background-color: #fff;
    line-height: 50px;
    text-align: center;
    color: #F25149;
    cursor: pointer;
}

.footer .center_container {
    display: flex;
    padding: 40px 0;
}

.footer .center_container dl {
    flex: 1;
}

.footer .center_container dl dt {
    margin-bottom: 30px;
    font-size: 17px;
    color: #666;
}

.footer .center_container dl dd {
    margin-bottom: 10px;
    font-size: 13px;
    color: #222;
    cursor: pointer;
}

.footer .center_container dl:first-child dd:nth-of-type(2n-1) {
    margin-top: 15px;
    color: #666;
    cursor: initial;
}

.footer .center_container dl:first-child dd:nth-of-type(2n) {
    font-size: 22px;
    cursor: initial;
}

.footer .center_container dl:last-child dd img{
    width: 102px;
    height: 100px;
}

.footer .bottom_container {
    margin-bottom: 20px;
    text-align: left;
    border-top: 1px solid #eee
}

.footer .bottom_container p {
    margin-top: 20px;
    font-size: 13px;
    color: #666;
}
.footer .bottom_container p:last-child {
    cursor: pointer;
}
.footer .bottom_container p:last-child:hover {
    color: #40a9ff;
}


/* <!-- 广告 --> */
#left {
    position: fixed;
    left: 0;
    top: 150px;
    width: 60px;
    height: 300px;
}

.tool_message {
    display: flex;
    justify-content: center;
    align-items: center;

    position: fixed;
    right: 15px;
    bottom: 30px;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(0, 0, 0, .1);
    border-radius: 30px;
    background-color: #4c7fe9;
    cursor: pointer;
}

.tool_message img {
    width: 30px;
    height: 30px;
}