.msg {
    position: fixed;
    top: 0;
    left: 50%;
    z-index: 9999;
    transform: translate(-50%, -100%);
    font-size: 18px;
    color: white;
    white-space: nowrap;
    padding: 10px 20px;
    border-radius: 6px;
    transition: transform 1s;
}

.msg.show {
    transform: translate(-50%, 100px);
}

.msg.primary {
    background-color: #409EFF;
}

.msg.success {
    background-color: #67C23A;
}

/* 文章 */
.article-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
}

.article-container .title {
    font-weight: bold;
    text-align: center;
    margin: 0;
}

.article-container .secondary {
    position: relative;
}

.article-container .secondary .label {
    color: #999;
    text-align: center;
}

.article-container .secondary .label span {
    margin: 0 6px;
}

.article-share {
    position: absolute;
    right: 0;
    top: 0;
    transform: translateY(-15%);
    display: flex;
    align-items: center;
}

.article-share .icon-box {
    position: relative;
}

.article-share .icon-box .icon {
    cursor: pointer;
    border-radius: 50%;
    border: 1px solid #2DB053;
    padding: 4px;
}

.article-share .icon-box .wechat-qrcode {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 240px;
    border: 1px solid #eee;
    background-color: #fff;
    box-shadow: 0 2px 10px #aaa;
}

.article-share .icon-box .wechat-qrcode:after {
    content: '';
    position: absolute;
    left: 50%;
    margin-left: -6px;
    top: -13px;
    width: 0;
    height: 0;
    border-width: 6px 6px 8px 6px;
    border-style: solid;
    border-color: transparent transparent #f3f3f3 transparent;
}

.article-share .icon-box .wechat-qrcode .close-btn {
    background: transparent;
    border: 0;
    font-size: 22px;
    position: absolute;
    top: -6px;
    right: 4px;
    color: #000;
    cursor: pointer;
}

.article-share .icon-box .wechat-qrcode h4 {
    height: 26px;
    font-size: 12px;
    text-align: center;
    line-height: 26px;
    background-color: #f3f3f3;
    margin: 0;
    color: #222;
}

.article-share .icon-box .wechat-qrcode .qrcode {
    width: 138px;
    height: 138px;
    margin: 10px auto;
}

.article-share .icon-box .wechat-qrcode p {
    font-size: 12px;
    text-align: center;
    line-height: 2;
    margin: 0;
}

.article-content p {
    line-height: 2;
    text-indent: 2em;
    text-align: justify;
}

.article-content p img {
    display: block;
    max-width: 100% !important;
    width: 800px !important;
    height: auto !important;
    margin: 0 auto;
}

@media screen and (max-width: 1023px) {
    .article-container {
        margin-top: 40px;
        margin-bottom: 60px;
    }

    .article-container .title {
        font-size: 22px;
    }

    .article-container .secondary {
        margin-top: 14px;
    }

    .article-container .secondary .label {
        font-size: 13px;
    }

    .article-share .icon {
        width: 30px;
    }

    .article-content {
        margin-top: 30px;
    }

    .article-content p {
        font-size: 14px;
        line-height: 2;
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 500px) {
    .article-content img {
        display: block;
        max-width: 100% !important;
        width: 800px !important;
        height: auto !important;
        margin: 0 auto;
    }
}

@media screen and (min-width: 1024px) {
    .article-container {
        margin-top: 60px;
        margin-bottom: 60px;
    }

    .article-container .title {
        font-size: 28px;
    }

    .article-container .secondary {
        margin-top: 20px;
    }

    .article-container .secondary .label {
        font-size: 14px;
    }

    .article-share .icon {
        width: 30px;
    }

    .article-content {
        margin-top: 50px;
    }

    .article-content p {
        font-size: 18px;
        margin-bottom: 20px;
    }
}