.container-grid {
    display: grid;
    display: -ms-grid;
    grid-template-columns: 1fr 1400px 1fr;
    grid-template-rows: 230px minmax(671px, 1fr) 59px;
    -ms-grid-columns: 1fr 1400px 1fr;
    -ms-grid-rows: 230px minmax(671px, 1fr) 59px;
    background: url(../images/index-bg.png) no-repeat;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
}

.header-grid {
    grid-area: 1/2/2/3;
    -ms-grid-column: 2;
    -ms-grid-column-span: 1;
    -ms-grid-row: 1;
    -ms-grid-row-span: 1;
}

.header-wrap {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.logo {
    margin-top: 51px;
    margin-left: 3px;
    margin-right: 132px;
}

.nav {
    margin-top: 64px;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.nav li a {
    display: block;
    font-size: 18px;
    font-weight: bold;
    /* padding: 0 22px; */
    line-height: 37px;
    color: #333333;
}

.nav li.active a {
    background-color: #b9242b;
    border-radius: 4px;
    color: #ffffff;
}

.nav li:hover a {
    background-color: #b9242b;
    border-radius: 4px;
    color: #ffffff;
}

.web-title {
    margin-top: 37px;
    text-align: center;
}

.main-grid {
    grid-area: 2/2/3/3;
    -ms-grid-column: 2;
    -ms-grid-column-span: 1;
    -ms-grid-row: 2;
    -ms-grid-row-span: 1;
}

.main-wrap {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -moz-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
}

.main-left {
    width: 270px;
}

.main-right {
    width: 1055px;
    min-height: 674px;
    border-radius: 4px;
    background: url(../images/box-bg.png) no-repeat;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
    -webkit-box-shadow: 0px 9px 16px 4px rgba(104, 103, 103, 0.5);
    box-shadow: 0px 9px 16px 4px rgba(104, 103, 103, 0.5);
}

.slide-one>li {
    width: 270px;
    height: 71px;
    background-color: #b9242b;
    border-radius: 4px;
    margin-top: 35px;
}

.slide-one>li:first-child {
    margin-top: 0;
}

.slide-one>li>a {
    height: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    line-height: 30px;
    text-align: center;
    color: #ffffff;
}

.slide-one>li.slide-hover {
    background-color: #8a1a10;
}

.slide-one>li:hover {
    background-color: #8a1a10;
}

.right-title-info {
    margin-top: 15px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.right-title {
    margin-left: 15px;
    font-size: 19px;
    font-weight: bold;
    color: #8a1a10;
}

.return-brn {
    display: block;
    margin-right: 17px;
    font-size: 29px;
    font-weight: bold;
    color: #8a1a10;
}

.content-box {
    margin-top: 46px;
}

.content > .list-style-two {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 29px;
    padding: 0 30px;
}

    .content > .list-style-two > li {
        width: 176px;
        height: 157px;
        background: url(../images/mission-bg.png) no-repeat;
        -o-background-size: cover;
        background-size: cover;
        -webkit-box-shadow: 0px 2px 19px 1px rgba(51, 51, 51, 0.1);
        box-shadow: 0px 2px 19px 1px rgba(51, 51, 51, 0.1);
        border-radius: 10px;
        /* margin-left: 29px; */
    }

        /* .content>.list-style-two>li:nth-child(4n+1) {
    margin-left: 59px;
} */

        .content > .list-style-two > li:nth-child(n+6) {
            margin-top: 22px;
        }

.content>.list-style-two>li>a {
    display: block;
    width: 176px;
    height: 157px;
}

.mission-title {
    margin-top: 111px;
    text-align: center;
    line-height: 19px;
    font-size: 13px;
    font-weight: bold;
    color: #8a1a10;
    padding: 0 10px;
}

.footer {
    grid-area: 3/2/4/3;
    -ms-grid-column: 2;
    -ms-grid-column-span: 1;
    -ms-grid-row: 3;
    -ms-grid-row-span: 1;
}

.footer p {
    margin-top: 28px;
    text-align: center;
    font-size: 15px;
    color: #333333;
}