.banner {
    width: 100%;
    height: 780px;
    background: url(../images/brandSecurity.png) no-repeat center center/cover;
    /* background-size: 100% 100%; */
    position: relative;
    min-width: 1000px;
    color: #fff;
}

.banner-inner {
    margin-right: -80px;
}

.banner-text {
    padding-top: 200px;
    text-align: right;
    z-index: 2;
    position: relative;
}

.banner .title {
    font-size: 60px;
    margin-bottom: 70px;
    text-align: right;
    color: #fff;
}

.banner .text {
    font-size: 30px;
    letter-spacing: 10px;
    border: 2.8px solid #fff;
    border-radius: 33px;
    line-height: 66px;
    padding: 0 50px;
    display: inline-block;
}

.box-advantage {
    padding-top: 120px;
}

.advantage-inner {
    margin-right: -3%;
}

.advantage-inner .item {
    border: 1px solid #cccccc;
    padding: 56px 0;
    width: 30.3%;
    margin-right: 3%;
    text-align: center;
    height: 242px;
}

.advantage-inner .title {
    font-size: 30px;
    color: #1e2428;
    margin-bottom: 26px;
}

.advantage-inner .text {
    font-size: 18px;
    color: #7d8288;
    padding: 0 10px;
}

.box-algorithm {
    background: url(../images/brandSecurity2.png) no-repeat center;
    height: 590px;
    margin: 150px 0;
}

.algorithm-inner {
    height: 590px;
    background-color: #2c3040;
    margin-top: -30px;
}

.algorithm-inner .item-img {
    padding-top: 70px;
    padding-left: 30px;
    width: 37.5%;
}

.algorithm-inner .item-content {
    color: #fff;
    padding-top: 120px;
    padding-left: 58px;
}

.algorithm-inner .item-title {
    font-size: 40px;
    margin-bottom: 35px;
}

.algorithm-inner .item-text {
    font-size: 24px;
}

.box-col {
    padding-bottom: 120px;
}

.col-inner {
    margin-right: -3%;
}

.col-inner .item {
    position: relative;
    width: 30.3%;
    margin-right: 3%;
}

.col-inner .item-img img {
    display: block;
    width: 100%;
}

.col-inner .item-content {
    padding: 0 40px;
    position: absolute;
    top: 50%;
    text-align: center;
    transform: translateY(-50%);
    color: #fff;
    font-size: 24px;
    width: 100%;
}

.col-inner .item-footer {
    text-align: center;
    font-size: 40px;
    background-color: rgba(46, 78, 126, 0.7);
    color: #fff;
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 10px 0;
}

.box-features {
    background: url(../images/brandSecurity3.png) no-repeat center center/cover;
    height: 1230px;
    color: #fff;
    text-align: center;
}

.features-title {
    font-size: 40px;
    padding-top: 120px;
    padding-bottom: 60px;
}

.features-inner {
    margin-right: -2%;
}

.features-inner .item {
    width: 23%;
    margin-right: 2%;
    border: 1px solid #fff;
    height: 440px;
    margin-bottom: 25px;
    padding-top: 30px;
}

.features-inner .item-title {
    font-size: 40px;
    margin: 30px 0 25px;
}

.features-inner .item-text {
    font-size: 24px;
    line-height: 34px;
    padding: 0 20px;
}

@media screen and (max-width: 1440px) {
    .features-inner .item {
        height: 473px;
    }
    .features-inner .item-title {
        font-size: 36px;
        margin: 20px 0 10px;
    }
}

.box-label {
    padding: 120px 0;
}

.box-label .label-title {
    font-size: 40px;
    color: #1e2428;
}

.label-line {
    width: 68px;
    height: 4px;
    background-color: #1e2428;
    margin-top: 5px;
}

.label-text {
    font-size: 24px;
    color: #7d8288;
    padding: 20px 0 60px;
}

/* tab */

.box-tab {
    font-size: 24px;
}

.tab .tab-item {
    float: left;
    width: 20%;
    text-align: center;
    padding: 20px 0;
    background-color: #cccccc;
    color: #fff;
    cursor: pointer;
    font-size: 24px;
}
@media screen and (max-width: 1440px) {
    .tab .tab-item {
        font-size: 20px;
    }
}
.tab .tab-item.active {
    background-color: #4fc1f1;
}

.tab .tab-item:hover {
    background-color: #4fc1f1;
}

.tab-content {
    margin: 30px 0;
    padding: 28px 20px;
    color: #7d8288;
    border: 1px solid #cccccc;
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content .text-blod {
    font-weight: 600;
    color: #1e2428;
}

.tab-content .content-text {
    margin-bottom: 24px;
    line-height: 36px;
}

.tab-content .img-inner {
    margin-right: -2%;
}

.tab-content .item {
    border: 1px solid #ccc;
    padding: 25px 10px;
    text-align: center;
    width: 23%;
    margin-right: 2%;
    float: left;
    margin-bottom: 30px;
    height: 200px;
}

.tab-content .item img {
    height: 100%;
    width: auto;
}

.box-curve {
    height: 800px;
    background: url(../images/brandSecurity4.png) no-repeat center center/cover;
}

.curve-title {
    color: #fff;
    padding: 120px 90px;
}
.box-system{
    padding-bottom: 120px;
}
.system-title {
    color: #1e2428;
    margin: 105px auto 75px;
    position: relative;
    width: 780px;
    line-height: 70px;
}

.line {
    width: 30px;
    height: 30px;
    display: inline-block;
    background: url(../images/line-l.png) no-repeat;
    background-size: 100%;
    position: absolute;
}

.line.line--l {
    top: 0;
    left: 0;
}

.line.line--r {
    background: url(../images/line-r.png) no-repeat;
    background-size: 100%;
    bottom: 0;
    right: 0;
}
.line-big{
 width: 91%;
 height: 225px;
 display: inline-block;
 position: absolute;
 
}
.line-big.line-big--l{
    background: url(../images/line-big-l.png) no-repeat;
    background-size: 100% 100%;
    top: 0;
    left: 0;
}
.line-big.line-big--r{
    background: url(../images/line-big-r.png) no-repeat;
    background-size: 100% 100%;
    bottom: 0;
    right: 0;
}
.system-inner{
    margin-right: -3%;
}
.system-inner .item{
    width: 30.3%;
    margin-right: 3%;
    padding: 20px;
    position: relative;
    height: 284px;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #7d8288;
    line-height: 34px;
    float: left;
    text-align: justify;
}
@media screen and (max-width: 1440px) {
    .system-inner .item{
        height: 350px;
    }
}