.main-content {
    background-image: url(../images/wjnbc/11.png);
    background-size: auto 100%;
}

.seal-first-content,
.seal-second-content,
.seal-third-content,
.seal-fourth-content {
    flex-shrink: 0;
}

.seal-first-content-left img,
.seal-first-list img,
.seal-second-list img,
.seal-third-list img,
.seal-fourth-list img {
    width: 100%; height: auto;
}

.seal-first-content {
    width: 65vw;
    padding: 4.166667vw 4.166667vw 0 2.604167vw;
}

.seal-first-content-left {
    position: relative;
    width: 5.208333vw;
    color: white;
    font-size: 1.302083vw;
    flex-shrink: 0;
}

.seal-first-content-left span {
    position: absolute;
    padding: .520833vw;
    width: 100%; height: 100%;
    text-align: center;
}

.seal-first-content-right {
    height: 100%;
    margin-left: 5.208333vw;
}

.seal-first-content-right p,
.seal-fourth-content-right p {
    text-indent: 2em;
    text-align: justify;
    font-size: 1.145833vw;
    line-height: 1.5;
}

.seal-first-list {
    padding-left: 2.604167vw;
}

.seal-second-content .seal-second-list,
.seal-third-content .seal-third-list,
.seal-fourth-content .seal-fourth-list {
    opacity: 1;
}

.seal-first-content .seal-first-list,
.seal-fourth-content .seal-fourth-list {
    flex-grow: 1;
    align-content: space-evenly;
}

.seal-first-list-item-left { 
    width: 30%;
}

.seal-first-list-item-right {
    width: 27%;
}

.seal-first-list-item-bottom,
.seal-second-list-item-bottom {
    width: 100%;
}

.seal-first-list-item dl,
.seal-second-list-item dl,
.seal-third-list-item dl,
.seal-fourth-list-item dl {
    width: max-content;
    font-size: .9375vw;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1.5625vw;
}

.seal-first-list-item dl,
.seal-second-list-item dl,
.seal-fourth-list-item dl {
    margin-top: 0;
}

.seal-third-list-item dl {
    margin-right: 0;
    margin-top: 4.166667vw;
}

.seal-first-list-item dd,
.seal-second-list-item dd,
.seal-third-list-item dd,
.seal-fourth-list-item dd {
    margin-top: .520833vw;
}

.seal-second-content,
.seal-third-content,
.seal-fourth-content {
    width: 45vw;
    padding: 4.166667vw 0 0;
}

.seal-third-content {
    margin-left: 4.166667vw;
}

.seal-second-content-right,
.seal-second-list,
.seal-third-content-right,
.seal-third-list,
.seal-fourth-content-right {
    height: 100%;
}

.seal-second-list-item-left { 
    width: 35%;
}

.seal-second-list-item-right {
    width: 30%;
}

.seal-third-list-item-left {
    width: 50%;
}

.seal-third-list-item-left img {
    width: 73%;
}

.seal-third-list-item-right {
    width: 32%;
}

.seal-fourth-list-item-left {
    width: 31%;
}

.seal-fourth-list-item-right {
    width: 29%;
}

.seal-fourth-list-item-bottom {
    width: 100%;
}

@media (max-width: 1280px) {
    .seal-first-content,
    .seal-second-content, 
    .seal-third-content, 
    .seal-fourth-content {
        padding-top: 1.604167vw;
    }
}

@media (max-width: 1200px) {
    .seal-first-content,
    .seal-second-content, 
    .seal-third-content, 
    .seal-fourth-content {
        padding-top: .604167vw;
    }
}

@media (orientation: landscape) and (max-height: 480px), 
(orientation: portrait) and (max-width: 480px) {
    /* 移动端 */
    .mobile .seal-first-content,
    .mobile .seal-second-content,
    .mobile .seal-third-content,
    .mobile .seal-fourth-content {
        padding: 0;
    }

    .mobile .seal-first-content {
        width: auto;
    }

    .mobile .seal-first-content-left {
        width: 60px;
    }

    .mobile .seal-first-content-left span {
        font-size: 16px;
    }

    .mobile .seal-first-content-right {
        margin-left: 30px;
        -ms-flex-direction: row;
        flex-direction: row;
        -ms-flex-align: center;
        align-items: center;
    }

    .mobile .seal-first-content-right p, 
    .mobile .seal-fourth-content-right p,
    .mobile dl {
        font-size: 12px;
    }

    .mobile dl,
    .mobile .seal-fourth-list { margin-top: 2vmin; }

    .mobile .seal-first-content-right p {
        width: 310px;
    }

    .mobile .seal-first-list,
    .mobile .seal-second-content,
    .mobile .seal-third-content,
    .mobile .seal-fourth-content {
        width: 430px;
        padding-left: 0;
    }

    .mobile-landscape .seal-fourth-content {
        width: 380px;
    }

    .mobile-portrait .seal-first-content-right p, 
    .mobile-portrait .seal-fourth-content-right p {
        font-size: 14px;
    }
}

@media (orientation: landscape) and (min-height: 760px), 
(orientation: portrait) and (min-width: 760px), 
(orientation: landscape) and (min-height: 481px) and (max-height: 759px), 
(orientation: portrait) and (min-width: 481px) and (max-width: 759px) {
    .mobile .seal-first-content-right p, 
    .mobile .seal-second-content-right p,
    .mobile .seal-fourth-content-right p {
        font-size: 1.464129vmax;
    }

    .mobile .seal-first-content-left {
        width: 7.320644vmax;
    }

    .mobile .seal-first-content-left span {
        font-size: 2.781845vmax;
    }

    .mobile .seal-first-list-item dl,
    .mobile .seal-second-list-item dl,
    .mobile .seal-third-list-item dl,
    .mobile .seal-fourth-list-item dl {
        font-size: 1.317716vmax;
    }
}

@media (orientation: landscape) and (min-height: 760px), 
(orientation: portrait) and (min-width: 760px) {
    .mobile .seal-first-content-left span {
        font-size: 1.875vmax;
    }

    .mobile .seal-first-content {
        width: 90vmax;
    }

    .mobile .seal-second-content, 
    .mobile .seal-third-content, 
    .mobile .seal-fourth-content {
        width: 60vmax;
    }
}

@media (orientation: landscape) and (min-height: 481px) and (max-height: 759px), 
(orientation: portrait) and (min-width: 481px) and (max-width: 759px) {
    .mobile .seal-first-content-left span {
        font-size: 1.666667vmax;
    }

    .mobile .seal-first-content-right p, 
    .mobile .seal-second-content-right p, 
    .mobile .seal-fourth-content-right p,
    .mobile .seal-first-list-item dl,
    .mobile .seal-second-list-item dl,
    .mobile .seal-third-list-item dl,
    .mobile .seal-fourth-list-item dl {
        font-size: 1.458333vmax;
    }
}