.main-content {
    background-image: url(../images/zgqh/8.png);
    background-size: auto 100%;
}

/* 序言 START */
.foreword {
    width: 60vw;
    padding: 4.166667vw 5.208333vw 0 4.166667vw;
}

.foreword-content {
    line-height: 1.5;
    font-size: 1.041667vw;
    text-indent: 2em;
    text-align: justify;
}

.seal-list {
    flex-grow: 1;
    -ms-flex-pack: distribute;
    justify-content: space-evenly;
}

.seal-list .seal-item {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-direction: column;
    flex-direction: column;
    height: 100%;
}

.seal-list .seal-item:first-child,
.seal-list .seal-item:last-child {
    width: 30%;
}

.seal-list .seal-item:last-child {
    -ms-flex-align: center;
    align-items: center;
}

/* .seal-list .seal-item:nth-child(2) {
    width: 48%;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
} */

.seal-item-image-list {
    display: flex;
    -ms-flex-pack: distribute;
    justify-content: space-evenly;
}

.seal-item-image-list img:nth-child(1) {
    width: 35%;
}

.seal-item-image-list img:nth-child(2) {
    width: 50%;
}

.seal-list .seal-item:first-child img {
    width: 85%;
}

.seal-list .seal-item:first-child dl,
.seal-list .seal-item:last-child dl {
    margin-top: 2.083333vw;
}

.seal-list .seal-item:last-child img {
    width: 100%;
}

/* .seal-list .seal-item:nth-child(2) dl {
    margin-bottom: 3.645833vw;
} */

.seal-item > img {
    width: 100%; height: auto;
}

.seal-item dl {
    font-size: .9375vw;
    white-space: nowrap;
    letter-spacing: .052083vw;
}

.seal-item dd {
    margin-top: .520833vw;
}
/* 序言 END */

/* 封泥 START */
.mudcap-wrapper {
    width: 60vw;
    padding: 4.166667vw 5.208333vw 0;
}

.mudcap-wrapper .mudcap-caption {
    position: relative;
    width: 5.208333vw;
    color: white;
    font-size: 1.979167vw;
    flex-shrink: 0;
}

.mudcap-wrapper .mudcap-caption img {
    width: 100%; height: auto;
}

.mudcap-wrapper .mudcap-caption span {
    position: absolute;
    display: block;
}

.mudcap-wrapper .mudcap-caption span:nth-child(1) {
    left: .78125vw; top: .78125vw;
}

.mudcap-wrapper .mudcap-caption span:nth-child(2) {
    right: .78125vw; bottom: .78125vw;
}

.mudcap-content .content {
    text-indent: 2em;
    text-align: justify;
    font-size: 1.041667vw;
    line-height: 1.5;
    margin-left: 2.604167vw;
}

.mudcap-content .content p + p {
    margin-top: .520833vw;
}

.mudcap {
    flex-grow: 1;
    width: calc(100% - 7.8125vw);
    margin: 0 0 0 auto;
    align-content: space-evenly;
}

.mudcap .mudcap-item {
    width: 30%;
}

.mudcap .mudcap-item:last-child {
    width: 100%;
    font-size: .9375vw;
}

.mudcap .mudcap-item dl {
    width: max-content;
    margin: .520833vw auto 0;
}

.mudcap .mudcap-item dd {
    margin-top: .520833vw;
}

.mudcap .mudcap-item img { width: 100%; }
/* 封泥 END */

/* 文章 START */
.language-article.usage {
    background-image: url(../images/public/14.png), url(../images/public/19.png);
    background-size: 40% auto, 100% auto;
    background-position: top right, left bottom;
}

.language-article:nth-child(2) {
    background-image: url(../images/public/15.png), url(../images/zgqh/20.png);
}

.language-article:nth-child(3) {
    background-image: url(../images/public/16.png), url(../images/zgqh/21.png);
}

.language-article:nth-child(4) {
    background-image: url(../images/public/17.png), url(../images/zgqh/22.png);
}

.language-article:nth-child(5) {
    background-image: url(../images/public/18.png), url(../images/zgqh/23.png);
}
/* 文章 END */

@media (max-width: 1280px) {
    .foreword, .mudcap-wrapper {
        padding: 1.604167vw 4.166667vw 0;
    }
}

@media (max-width: 1200px) {
    .foreword, .mudcap-wrapper {
        padding: .604167vw 4.166667vw 0;
    }
}

@media (orientation: landscape) and (max-height: 480px), 
(orientation: portrait) and (max-width: 480px) {
    /* 移动端 */
    .mobile .foreword,
    .mobile .mudcap-wrapper {
        width: auto;
        -ms-flex-direction: row;
        flex-direction: row;
        -ms-flex-align: center;
        align-items: center;
    }

    .mobile .foreword-content,
    .mobile .mudcap-content .content {
        font-size: 14px;
    }

    .mobile .main-content dl {
        font-size: 12px;
    }

    .mobile .content {
        margin-left: 30px;
    }

    .mobile .content p + p {
        margin-top: 10px;
    }

    /* 前言 */
    .mobile .foreword-content {
        width: 310px;
    }

    .mobile .seal-list {
        width: 576px;
        height: 100%;
        padding: 15px 0;
        margin-left: 60px;
        -ms-flex-align: center;
        align-items: center;
    }

    /* 封泥 */
    .mobile .mudcap {
        width: 420px;
    }

    .mobile .mudcap-content {
        width: 420px;
    }

    .mobile .mudcap-wrapper .mudcap-caption {
        width: 60px;
        font-size: 24px;
    }

    .mobile .mudcap-caption span:nth-child(1) {
        left: 8px; top: 8px;
    }

    .mobile .mudcap-caption span:nth-child(2) {
        right: 8px; bottom: 8px;
    }
}

@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 .foreword {
        width: 65vmax;
    }

    .mobile .foreword-content {
        font-size: 1.464129vmax;
    }

    .mobile .seal-item dl,
    .mobile .mudcap .mudcap-item dl {
        font-size: 1.317716vmax;
        white-space: wrap;
    }

    .mobile .mudcap-wrapper {
        width: 70vmax;
    }

    .mobile .mudcap-content .content {
        font-size: 1.464129vmax;
    }

    .mobile .mudcap-wrapper .mudcap-caption {
        font-size: 2.781845vmax;
    }

    .mobile .mudcap-wrapper .mudcap-caption {
        width: 7.320644vmax;
    }
}

@media (orientation: landscape) and (min-height: 481px) and (max-height: 759px), 
(orientation: portrait) and (min-width: 481px) and (max-width: 759px) {
    .mobile .foreword,
    .mobile .mudcap-wrapper {
        flex-direction: row;
        width: 100vmax;
        align-items: center;
    }

    .mobile .foreword {
        width: 120vmax;
    }

    .mobile .foreword-content,
    .mobile .mudcap-content {
        font-size: 1.458333vmax;
        width: 35%;
        margin-right: 30px;
        flex-shrink: 0;
    }

    .mobile .mudcap-content {
        width: 45%;
    }

    .mobile .mudcap-content .content {
        font-size: 1.458333vmax;
    }

    .mobile .seal-list {
        align-items: center;
    }

    .mobile .seal-item dl {
        font-size: 1.458333vmax;
        white-space: nowrap;
    }

    .seal-list .seal-item:first-child,
    .seal-list .seal-item:last-child {
        width: 28%;
    }
}