.banner_main {
    width: 1060px;
}

.banner_main_left {
    top: 45%;
}

.banner_main span {
    margin-top: 0px;
}

.banner_main_left h1 {
    font-weight: bold;
    color: #00004e;
    font-size: 32px;
}

.banner_main_left h1 strong {
    display: inline-block;
}

.banner_main_left h1 strong:nth-child(1) {
    font-size: 38px;
}

.banner_main_left h1 strong:nth-child(2) {
    width: 5px;
    height: 5px;
    background-color: #00004e;
    border-radius: 50%;
    margin: 0px 8px 12px;
}

.banner_main_left h1 strong:nth-child(3) {
    color: #e3030f;
}

.banner_main_left .author_box {
    display: flex;
    align-items: center;
    padding: 12px 0px 6px 0px;
}

.banner_main_left .author_box strong {
    width: 28px;
    height: 28px;
    background: #e3030f;
    border: 1px solid #e4efff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    color: #ffffff;
    line-height: 26px;
}

.banner_main_left .author_box strong:nth-child(2) {
    margin-left: -6px;
}

.banner_main_left .author_box .author {
    font-size: 22px;
    font-weight: 500;
    text-align: left;
    color: #333333;
    line-height: 30px;
    margin-left: 6px;
}

.banner_main_left .line {
    width: 368px;
    opacity: 0.08;
    border-top: 1px solid #333333;
}

.banner_main_left .post {
    padding-top: 5px;
    display: flex;
}

.banner_main_left .post li {
    display: flex;
    align-items: center;
}

.banner_main_left .post li:nth-child(1) {
    width: 200px;
}

.banner_main_left .post li img {
    width: 16px;
    height: 17px;
}

.banner_main_left .post li p {
    font-size: 14px;
    font-weight: 400;
    text-align: left;
    color: #333333;
    line-height: 25px;
    margin-left: 8px;
    padding-top: 0px;
}

.banner_main span .gm_btn {
    color: #ffffff;
    background: #01349d;
    box-shadow: 8px 8px 20px 0px rgba(55, 99, 170, 0.1);
}

.banner_main span .gm_btn:hover {
    background: #0c49c9;
    box-shadow: 8px 8px 20px 0px rgba(55, 99, 170, 0.3);
}

.big-bg {
    padding-bottom: 60px;
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/tj-bg.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

/* 介绍 */
.introduce {
    position: relative;
    left: 50%;
    transform: translate(-50%, 0);
    top: -70px;
}

.introduce-main {
    margin: 0 auto;
    width: 980px;
    padding: 30px 40px 40px;
    background: linear-gradient(180deg, rgba(245, 246, 248, 0.46) 0%, #ffffff 45%);
    box-shadow: 0px 8px 20px 0px rgba(55, 99, 170, 0.10), 2px 2px 0px 0px #ffffff inset;
}

.introduce-main li {
    display: flex;
}

.introduce-main li:nth-child(1) {
    padding-bottom: 20px;
}

.introduce-main li span {
    display: inline-block;
    min-width: 6px;
    height: 6px;
    background: #e80f25;
    border: 2px solid #ffcbcf;
    border-radius: 50%;
    margin-top: 5px;
}

.introduce-main li p {
    font-size: 14px;
    font-weight: 400;
    text-align: justify;
    color: #212121;
    line-height: 20px;
    margin-left: 10px;
}

/* 行业大咖重磅推荐 */
.master {
    margin-top: -70px;
}

.master h2 {
    padding: 60px 0px 30px 0px;
}

.master-main .master-main-main {
    margin: 0 auto;
    width: 1060px;
    height: 201px;
    background: linear-gradient(179deg, rgba(245, 246, 248, 0.46) 0%, #ffffff 80%);
    border-radius: 5px;
    box-shadow: 0px 8px 20px 0px rgba(55, 99, 170, 0.10), 2px 2px 0px 0px #ffffff inset;
    display: flex;
}

.master-main-main dl {
    width: 265px;
    height: 100%;
    padding: 38px 0px 0px 14px;
    box-sizing: border-box;
}

.change {
    background: linear-gradient(179deg, #f5f6f8 0%, #ffffff 80%);
    border-radius: 8px;
    box-shadow: 0px 8px 20px 0px rgba(55, 99, 170, 0.10), 2px 2px 0px 0px #ffffff inset;
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/tj-active.png);
    background-size: 228px 133px;
    background-position: 14px bottom;
    background-repeat: no-repeat;
}

.master-main-main dl dt {
    padding-bottom: 14px;
    display: flex;
    align-items: center;
    margin-left: 6px;
}

.master-main-main dl dt .left-icon {
    width: 3px;
    height: 17px;
    background: #e80f25;
    display: inline-block;
}

.master-main-main dl dt .name {
    font-size: 20px;
    font-weight: 600;
    text-align: left;
    color: #00004e;
    line-height: 28px;
    margin-left: 10px;
}

.master-main-main dl dd p {
    margin-left: 6px;
    width: 208px;
    font-size: 14px;
    font-weight: 400;
    text-align: left;
    color: #003793;
    line-height: 20px;
    padding-bottom: 6px;
}

.master-main-content {
    margin-top: 20px;
}

.item-content {
    margin: 0 auto;
    width: 1063px;
    height: 221px;
    background: linear-gradient(179deg, #f5f6f8 0%, #ffffff 80%);
    border-radius: 8px;
    box-shadow: 0px 8px 20px 0px rgba(55, 99, 170, 0.10), 2px 2px 0px 0px #ffffff inset;
    position: relative;
    display: none;
}

.item-content:nth-child(1) {
    display: block;
}

.item-content::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠上边 */
    left: 80px;
    top: -15px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 15px solid #fff;
}

.item-content::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠上边 */
    left: 80px;
    top: -12px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 16px solid #F7F8FA;
}

.item-content:nth-child(2)::before,
.item-content:nth-child(2)::after {
    left: 355px;
}

.item-content:nth-child(3)::before,
.item-content:nth-child(3)::after {
    left: 620px;
}

.item-content:nth-child(4)::before,
.item-content:nth-child(4)::after {
    left: 885px;
}

.item-content .information {
    padding: 38px 70px 0px 38px;
}

.item-content .information .header {
    display: flex;
    align-items: flex-end;
}

.item-content .information .header img {
    width: 115px;
    height: 32px;
}

.item-content .information .header .line {
    width: 3px;
    height: 17px;
    background: #e80f25;
    display: inline-block;
    margin: 0px 10px;
}

.item-content .information .header .name {
    font-size: 20px;
    font-weight: bold;
    text-align: left;
    color: #00004e;
    line-height: 20px;
}

.item-content .information p {
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/tj-yh.png);
    background-size: 51px 34px;
    background-position: -4px 34px;
    background-repeat: no-repeat;
    font-size: 14px;
    font-weight: 400;
    text-align: justify;
    color: #3d485d;
    line-height: 30px;
    padding-top: 35px;
}

.item-content .right-img {
    width: 228px;
    height: 133px;
    position: absolute;
    right: 0px;
    bottom: 0px;
}

/* 亮点 */
.bright {
    height: 445px;
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/ld.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    padding: 20px 0px;
}

/* 全面赋能企业实时经营 */
.energize {
    padding-bottom: 60px;
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/fn-bg.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.energize-main h2 {
    font-weight: bold;
    text-align: left;
    color: #333333;
    line-height: 40px;
}

.energize-main ul {
    margin-top: -42px;
}

.energize-main ul li {
    display: flex;
    align-items: center;
    padding-bottom: 10px;
}

.energize-main ul li img {
    width: 16px;
    height: 16px;
}

.energize-main ul li p {
    font-size: 14px;
    font-weight: 400;
    text-align: justify;
    color: #333333;
    line-height: 20px;
    margin-left: 8px;
}

.energize-main .list-type dl {
    display: flex;
    align-items: flex-start;
    padding-top: 20px;
}

.energize-main .list-type dl dt img {
    min-width: 16px;
    height: 17px;
    margin-top: 3px;
}

.energize-main .list-type dl dd {
    margin-left: 8px;
}

.energize-main .list-type dl dd h5 {
    font-size: 16px;
    font-weight: bold;
    text-align: left;
    color: #333333;
    line-height: 22px;
}

.energize-main .list-type dl dd p {
    font-size: 12px;
    font-weight: 400;
    text-align: justify;
    color: #333333;
    line-height: 17px;
    padding-top: 10px;
}

/* 系列书籍 */
.books {
    background-image: url(https://files.yuanian.com/yuanian/page_image/Zt/sjzt/sj-bg.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    padding-bottom: 60px;
}

.books-main {
    display: flex;
    justify-content: space-between;
}

.books-main dl {
    width: 329px;
    display: flex;
    align-items: center;
    padding: 23px 0px 23px 24px;
    background: linear-gradient(180deg, #f5f6f8, #ffffff);
    box-shadow: 0px 8px 20px 0px rgba(55, 99, 170, 0.10), 2px 2px 0px 0px #ffffff inset;
}

.books-main dl dt img {
    width: 116px;
    height: 152px;
}

.books-main dl dd {
    margin-left: 20px;
}

.books-main dl dd h5 {
    font-size: 16px;
    font-weight: 500;
    text-align: left;
    color: #323232;
    line-height: 26px;
}

.books-main dl dd p {
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    line-height: 25px;
    padding: 15px 0px 30px 0px;
}

.books-main dl dd a {
    width: auto;
    padding-left: 12px;
    padding-right: 22px;
    text-align: center;
    height: 28px;
    line-height: 28px;
    background: #ffffff;
    border: 1px solid #d8d8d8;
    display: inline-block;
    font-size: 14px;
    font-weight: 400;
    color: #c1c1c1;
    background-image: url(https://files.yuanian.com/yuanian/page_image/index/tab_ment_main_left_hide.png);
    background-repeat: no-repeat;
    background-size: 9px 8px;
    background-position: 74px;
}

.books-main dl:hover a {
    border: 1px solid #01349d;
    color: #01349d;
    background-image: url(https://files.yuanian.com/yuanian/page_image/index/tab_ment_main_left_show.png);

}

@media screen and (max-width: 1024px) {
    .banner_main {
        width: 92%;
    }

    .banner_main_left {
        top: 50%;
    }

    .banner,
    .bjIMg {
        background-position: left;
    }
    
    .banner_main_left h1 strong:nth-child(2) {
        margin: 0px 8px 8px;
    }

    .banner_main_left h1 strong {
        font-size: 22px; 
    }

    .banner_main_left .line {
        width: auto;
    }

    .banner_main_left .post {
        display: inherit;
        padding-bottom: 20px;
    }

    .big-bg {
        padding-bottom: 30px;
    }

    /* 介绍 */
    .introduce {
        margin-top: 0px;
        top: 0px;
    }

    .introduce-main {
        width: 90%;
        padding: 5%;
    }

    .introduce-main li:nth-child(1) {
        padding-bottom: 15px;
    }

    /* 行业大咖重磅推荐 */
    .master {
        padding-bottom: 0px;
        margin-top: -0px;
    }

    .master h2 {
        padding: 30px 0px;
    }

    .master-main .master-main-main {
        width: auto;
        display: -webkit-box;
        white-space: nowrap;
        overflow-x: scroll;
    }
    .master-main-main dl dd p{
        white-space: break-spaces;
    }

    .item-content {
        width: 100%;
        height: auto;
    }
    .item-content::before,
    .item-content::after {
       display: none;
    }



    .item-content .information {
        padding: 5%;
    }

    .item-content .information p {
        background-position: -4px 13px;
        padding-top: 15px;
    }


    /* 亮点 */
    .bright {
        height: 140px;
    }

    /* 全面赋能企业实时经营 */
    .energize {
        padding-bottom: 30px;
        background-position: left;
    }

    .energize-main h2 {
        width: 100%;
    }

    .energize-main ul {
        margin-top: 0px;
    }

    .energize-main ul li {
        align-items: inherit;
    }

    .energize-main ul li img {
        margin-top: 3px;
    }

    /* 系列书籍 */
    .books {
        padding-bottom: 30px;
    }

    .books-main {
        display: inherit;
    }

    .books-main dl {
        width: auto;
        padding: 5%;
        margin-bottom: 10px;
    }
}