* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

/* header */
.header {
    width: 100%;
    height: 50px;
    background-color: #f6f7fc;
}

.header_nav {
    width: 960px;
    height: 50px;
    margin: 0 auto;
}

.header_nav img {
    height: 30px;
    margin-top: 10px;
    float: left;
}

.header_nav .nav {
    float: right;
}

.nav li {
    width: 100px;
    float: left;
    height: 50px;
    line-height: 50px;
    font-weight: bold;
}

.nav li a {
    color: black;
}

.nav li:first-child a {
    padding-left: 30px;
}

.nav li:nth-child(3) a {
    color: #4d85e3;
}

/* protocol */
.protocol {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    z-index: 999;
}

.box6 {
    width: 450px;
    height: 280px;
    background-color: white;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto auto;
    border-radius: 10px;
    /*background: linear-gradient(rgba(208, 238, 254, 1.0), 70%, white);*/
    background: linear-gradient(#CEEEFF, #FFFFFF);
}

.close {
    position: absolute;
    right: 15px;
    font-size: 26px;
    color: #818282;
    top: 5px;
    cursor: pointer;
}

.box6_title {
    position: absolute;
    top: 38px;
    left: 30px;
    font-size: 26px;
}

.box6_img {
    position: absolute;
    width: 70px;
    right: 50px;
    top: 38px;
}

.box6_content {
    width: 370px;
    height: 130px;
    background-color: white;
    border-radius: 5px;
    position: absolute;
    top: 100px;
    left: 40px;
}

.box6_p1 {
    text-align: center;
    font-size: 20px;
    padding-top: 20px;
}

.box6_p2 {
    text-align: center;
    font-size: 26px;
    color: #004fd8;
    padding-top: 20px;
}

.no-scroll {
    overflow: hidden;
}

/* banner */
.banner {
    width: 100%;
    height: 500px;
    background-image: url(../assetes/images/client-case/banner.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.banner_text {
    position: relative;
    width: 960px;
    height: 150px;
    margin: 0 auto;
    padding-top: 170px;
}

.banner_text .p2 {
    font-size: 46px;
    letter-spacing: 8px;
    text-align: center;
    color: white;
}

.banner_text .p1 {
    font-size: 20px;
    letter-spacing: 2px;
    line-height: 60px;
    text-align: center;
    color: white;
}

.banner_text button {
    width: 100px;
    height: 34px;
    border: 0;
    background: linear-gradient(270deg, #1992FF 0%, #49C0FD 100%);
    color: white;
    border-radius: 5px;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: 0 auto;
    margin-top: 320px;
}

.banner_text button:hover {
    cursor: pointer;
}

/* content */
.content {
    width: 960px;
    height: 1670px;
    margin: 0 auto;
}

.content_title {
    text-align: center;
    padding-top: 50px;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.content_list {
    width: 960px;
    height: auto;
    margin-top: 30px;
}

.content-item {
    width: 300px;
    float: left;
    margin-left: 10px;
    margin-right: 10px;
    margin-top: 20px;
}

.image-content {
    width: 300px;
    overflow: hidden;
}

.content-item img {
    width: 300px;
    transition: transform 0.3s ease;
}

.image-content img:hover {
    transform: scale(1.2);
}

.content-item p {
    text-align: center;
    line-height: 50px;
    font-weight: bold;
}

.top_button_box button {
    position: fixed;
    bottom: 20px;
    right: 95px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #F3F5F8;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
    opacity: 1;
    border: 2px solid #FFFFFF;
}

.top_button_box button:hover {
    /*box-shadow: 8px 8px 10px 0 rgba(67, 163, 255, 0.2);*/
    box-shadow: 8px 8px 20px 0 rgba(55,99,170,.2);
}
.top_button_box button:hover i{
    border-color: #1472FF;
}

.top_button_box button.hidden {
    opacity: 0;
    pointer-events: none;
}

.top_button_box i {
    display: block;
    margin: 6px auto 0;
    width: 10px;
    height: 10px;
    -webkit-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    transform: rotate(-45deg);
    border-width: 3px 3px 0 0;
    border-style: solid;
    border-color: #67708A;
    border-radius: 2px;
    color: black;
}

#scroll-to-top {
    display: none;
}

/* footer */
.footer {
    width: 100%;
    height: 380px;
    background-color: #293849;
}

.footer_bg {
    width: 100%;
    height: 380px;
    background-image: url(../assetes/images/common/footer.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.footer_content {
    width: 960px;
    height: 300px;
    margin: 0 auto;
}

.footer_img {
    height: 30px;
    margin-top: 40px;
}

.fcontent {
    width: 960px;
    height: 180px;
    margin-top: 30px;
}

.footer_box1 {
    width: 150px;
    height: 180px;
    float: left;
    margin-top: 70px;
}

.footer_box1 .footer_box1_title {
    color: white;
}

.footer_box1_box {
    width: 150px;
    height: 30px;
    margin-top: 20px;
}

.footer_box1_box img {
    float: left;
}

.footer_box1_box p {
    float: left;
    margin-left: 10px;
    color: white;
}

.footer_box2 {
    width: 250px;
    height: 180px;
    float: left;
    margin-left: 30px;
}

.footer_box2_title {
    width: 120px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    color: white;
    border-radius: 15px;
    background-color: #7d8291;
    margin: 0 auto;
}

.footer_box2_img {
    width: 300px;
    height: 140px;
    margin-top: 30px;
}

.imgs {
    width: 100px;
    height: 130px;
    background-color: white;
    border-radius: 5px;
    overflow: hidden;
    float: left;
}

.imgs img {
    width: 94px;
    height: 94px;
    margin-left: 3px;
    margin-top: 3px;
}

.imgs p {
    text-align: center;
    width: 100px;
    height: 20px;
    line-height: 20px;
}

.footer_box3 {
    width: 250px;
    height: 180px;
    float: left;
    margin-left: 70px;
}

.footer_box3_title {
    width: 120px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    color: white;
    border-radius: 15px;
    background-color: #7d8291;
    margin: 0 auto;
}

.footer_box3_img {
    width: 300px;
    height: 140px;
    margin-top: 30px;
}

.imgs {
    width: 100px;
    height: 130px;
    background-color: white;
    border-radius: 5px;
    overflow: hidden;
    float: left;
}

.imgs img {
    width: 94px;
    height: 94px;
    margin-left: 3px;
    margin-top: 3px;
}

.imgs p {
    text-align: center;
    width: 100px;
    height: 20px;
    line-height: 20px;
}

.footer_box4 {
    width: 120px;
    height: 180px;
    float: left;
    margin-left: 70px;
}

.footer_box4_title {
    width: 120px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    color: white;
    border-radius: 15px;
    background-color: #7d8291;
    margin: 0 auto;
}

.footer_box4_imgs {
    width: 100px;
    height: 130px;
    background-color: white;
    border-radius: 5px;
    overflow: hidden;
    float: left;
    margin-top: 30px;
    margin-left: 10px;
}

.footer_box4_imgs img {
    width: 94px;
    height: 94px;
    margin-left: 3px;
    margin-top: 3px;
}

.footer_box4_imgs p {
    text-align: center;
    width: 100px;
    height: 20px;
    line-height: 20px;
}

.footer_bottom {
    width: 100%;
    height: 60px;
    border-top: 1px #ccc solid;
    margin-top: 16px;
}

.footer_bottom .p11 {
    line-height: 60px;
    color: white;
    margin-left: 30%;
}