@charset "utf-8";

* {
    margin: 0;
    padding: 0;
    font-family: "微软雅黑", "microsoft yahei";
}

ul,
ol {
    list-style: none;
}

a:active {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:link {
    text-decoration: none;
}

a:focus {
    text-decoration: none;
}

body {
    position: relative;
}

.clearfix {
    overflow: hidden;
}

.clearfix_2::after {
    content: '';
    display: block;
    height: 0;
    visibility: hidden;
    clear: both;
}

.hiddenColor {
    visibility: hidden;
}

.hand {
    cursor: pointer;
}

.aTag_parent {
    position: relative;
}

.aTag_parent>a,
.aTag {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 99;
    border: 0px;
    top: 0px;
    left: 0px;
    background: rgba(0, 0, 0, 0);
}

.dot1 {
    display: block;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dot2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

input,
img {
    border: none;
}

.cover100 img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.back100 {
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

article,
aside,
footer,
header,
time,
video,
main,
nav,
h4,
h3,
section {
    display: block;
}

.index_main {
    width: 1200px;
    margin: 0 auto;
    margin-bottom: 20px;
}

.slow_6 {
    -webkit-transition: all .6s;
    -moz-transition: all .6s;
    -ms-transition: all .6s;
    -o-transition: all .6s;
    transition: all .6s;
}

.banner_1 {
    height: 90px;
    overflow: hidden;
    margin-top: 20px;

    .banner_1_a {
        display: block;
        width: 1200px;
    }

    .banner_1_img {
        display: block;
        width: 1200px;
    }
}

.index_1 {
    margin-top: 30px;
}

.index_1_left {
    float: left;
    width: 720px;
}

.index_1_right {
    float: right;
    width: 450px;
}

.index_1_li:nth-of-type(1) .index_1_li_tag {
    background: #004564;
    color: #fff;
}

.index_1_li:nth-of-type(2) .index_1_li_tag {
    background: #F6C12D;
    color: #fff;
}

.index_1_li:nth-of-type(3) .index_1_li_tag {
    background: #F3C57F;
    color: #fff;
}

.index_1_li_a:hover {
    color: #004564;
}

.index_2 {
    margin-top: 11px;
}

.index_2_left {
    float: left;
    width: 720px;
}

.index_2_right {
    float: right;
    width: 450px;
}

.book_head_box {
    border-bottom: solid 1px #D9D9D9;

    .book_head_left {
        float: left;
    }

    .book_head_a {
        float: left;
        height: 55px;
        line-height: 55px;
        color: #333;
        font-weight: bold;
        font-size: 22px;
        border-bottom: solid 3px rgba(0, 0, 0, 0);
        margin-right: 40px;
    }

    .book_head_only {
        float: left;
        height: 55px;
        line-height: 55px;
        color: #004564;
        font-weight: bold;
        font-size: 22px;
        border-bottom: solid 3px #004564;
    }

    .book_head_a_more {
        float: right;
        height: 19px;
        line-height: 19px;
        margin-top: 20px;
        color: #333;
        font-size: 16px;
    }

    .book_head_a_more:hover {
        color: #004564;
    }

    .book_head_right {
        float: right;
        margin-top: 11px;
    }

    .book_head_right_a {
        float: left;
        height: 31px;
        line-height: 31px;
        color: #fff;
        font-size: 16px;
        border-radius: 4px;
        overflow: hidden;
        padding: 0px 10px 0px 33px;
    }
}

.book_1_img_ul {
    height: 650px;

    .book_1_img_li {
        width: 350px;
        margin: 30px 0px 10px 0px;
    }

    .book_1_img_li:nth-of-type(odd) {
        float: left;
    }

    .book_1_img_li:nth-of-type(even) {
        float: right;
    }

    .book_1_img_li_a {
        width: 350px;
        display: block;
        overflow: hidden;
    }

    .book_1_img_li_a:hover .book_1_img_li_dot2 {
        color: #004564;
    }

    .book_1_img_li_img {
        float: left;
        width: 140px;
        height: 170px;
        border-radius: 6px;
    }

    .book_1_img_li_right {
        float: right;
        width: 190px;
    }

    .book_1_img_li_dot2 {
        width: 190px;
        height: 46px;
        line-height: 23px;
        color: #333;
        font-size: 18px;
        margin-top: 12px;
    }

    .book_1_img_li_btn {
        float: left;
        border: solid 1px #004564;
        margin-top: 74px;
        height: 34px;
        line-height: 34px;
        color: #004564;
        font-size: 14px;
        padding: 0px 19px;
        text-align: center;
        box-sizing: border-box;
    }
}

.book_num_1_ul {
    .book_num_1_li {}

    .book_num_1_li_a {
        display: block;
        width: 100%;
        overflow: hidden;
        position: relative;
    }

    .book_num_1_li_tag {
        float: left;
        height: 22px;
        line-height: 22px;
        color: #999;
        font-size: 16px;
        margin: 23px 0px 0px 0px;
    }

    .book_num_1_li_img {
        width: 80px;
        height: 120px;
        border-radius: 4px;
        margin: 29px 25px 0px 40px;
        display: none;
        float: left;
    }

    .book_num_1_li_dot1 {
        float: right;
        border-bottom: solid 1px #E6E6E6;
        height: 66px;
        line-height: 66px;
        color: #333;
        font-size: 16px;
        margin-top: 0px;
        width: 400px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
    }

    // .book_num_1_li:nth-of-type(1) .book_num_1_li_tag {
    //     font-weight: bold;
    //     margin-top: 38px;
    // }

    .book_num_1_li:nth-of-type(-n+3) .book_num_1_li_tag {
        color: #004564;
    }

    .book_num_1_li_a:hover .book_num_1_li_dot1 {
        color: #004564;
    }

    //鼠标移入后的效果
    .num_active {
        font-weight: bold;
        margin-top: 38px;
    }

    .img_active {
        display: block;
    }

    .text_active {
        width: 295px;
        border: solid 0px #111;
        color: #333;
        font-size: 16px;
        line-height: 22px;
        height: 44px;
        font-weight: bold;
        margin-top: 39px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
    }

    .text_active::after {
        content: '';
        display: block;
        position: absolute;
        width: 295px;
        height: 1px;
        background: #E6E6E6;
        right: 0px;
        bottom: 13px;
    }
}

.index_3 {
    margin-top: 11px;
}

.index_3_left {
    float: left;
    width: 720px;
}

.index_3_right {
    float: right;
    width: 450px;
}

.book_2_img_ul {
    margin-top: 30px;
    height: 590px;
}

.book_2_img_li {
    float: left;
    width: 170px;
    margin: 0px 13px 30px 0px;
}

.book_2_img_li_a {
    display: block;
    width: 170px;
}

.book_2_img_li_img {
    display: block;
    width: 170px;
    height: 230px;
}

.book_2_img_li_dot1 {
    height: 21px;
    line-height: 21px;
    color: #333;
    width: 96%;
    font-size: 18px;
    text-align: center;
    margin: 17px auto 0;
}

.book_2_img_li:nth-of-type(4n) {
    margin-right: 0px;
}

.book_2_img_li_a:hover .book_2_img_li_dot1 {
    color: #004564;
}

.book_3_img_ul {
    margin-top: 30px;
    height: 156px;

    .book_3_img_li {
        float: left;
        width: 108px;
        margin: 0px 18px 0px;
    }

    .book_3_img_li_a {
        display: block;
        width: 108px;
    }

    .book_3_img_li_img {
        display: block;
        width: 80px;
        height: 120px;
        margin: 0px auto;
    }

    .book_3_img_li_dot1 {
        height: 21px;
        line-height: 21px;
        text-align: center;
        width: 108px;
        margin: 17px auto 0px;
        color: #333;
        font-size: 16px;
    }

    .book_3_img_li_a:hover .book_3_img_li_dot1 {
        color: #004564;
    }
}

.book_2_ul {
    .book_2_li {
        border-bottom: solid 1px #E6E6E6;
        height: 68px;
        position: relative;
        box-sizing: border-box;
    }

    .book_2_li_a {
        height: 68px;
        width: 400px;
        float: left;
        line-height: 77px;
        color: #333;
        font-size: 16px;
    }

    .book_2_li_tag {
        float: right;
        width: 16px;
        line-height: 16px;
        height: 16px;
        color: #004564;
        font-size: 14px;
        background: #edf7f0;
        margin-top: 30px;
        text-align: center;
    }

    .book_2_li_a:hover {
        color: #004564;
    }

    .book_2_li_a::after {
        content: '';
        display: block;
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0px;
        top: 0px;
    }
}

.banner_2 {
    height: 90px;
    overflow: hidden;
    margin-top: 1px;

    .banner_2_a {
        display: block;
        width: 1200px;
    }

    .banner_2_img {
        display: block;
        width: 1200px;
    }
}

.index_4 {
    margin-top: 11px;
}

.index_4_left {
    float: left;
    width: 720px;
}

.index_4_right {
    float: right;
    width: 450px;
}

.book_3_ul {
    .book_3_li {
        border-bottom: solid 1px #E6E6E6;
        height: 68px;
        position: relative;
        box-sizing: border-box;
    }

    .book_3_li_a {
        height: 68px;
        width: 400px;
        float: left;
        line-height: 77px;
        color: #333;
        font-size: 16px;
    }

    .book_3_li_tag {
        float: right;
        width: 16px;
        line-height: 16px;
        height: 16px;
        color: #004564;
        font-size: 14px;
        background: #edf7f0;
        margin-top: 30px;
        text-align: center;
    }

    .book_3_li_a:hover {
        color: #004564;
    }

    .book_3_li_a::after {
        content: '';
        display: block;
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0px;
        top: 0px;
    }
}

.book_4_img_ul {
    margin-top: 30px;
    height: 156px;

    .book_4_img_li {
        float: left;
        width: 108px;
        margin: 0px 18px 0px;
    }

    .book_4_img_li_a {
        display: block;
        width: 108px;
    }

    .book_4_img_li_img {
        display: block;
        width: 80px;
        height: 120px;
        margin: 0px auto;
    }

    .book_4_img_li_dot1 {
        height: 21px;
        line-height: 21px;
        text-align: center;
        width: 108px;
        margin: 17px auto 0px;
        color: #333;
        font-size: 16px;
    }

    .book_4_img_li_a:hover .book_4_img_li_dot1 {
        color: #004564;
    }

}

.book_5_img_ul {
    margin-top: 30px;
    height: 570px;

    .book_5_img_li {
        box-sizing: border-box;
        background: #FBFBFB;
        padding: 20px;
        margin-bottom: 20px;
    }

    .book_5_img_li_a {
        display: block;
        width: 100%;
        height: 100%;
    }

    .book_5_img_li_img {
        float: left;
        width: 100px;
        height: 136px;
    }

    .book_5_img_li_right {
        float: right;
        width: 555px;
    }

    .book_5_img_li_dot2 {
        height: 50px;
        line-height: 25px;
        color: #333;
        font-size: 20px;
        font-weight: bold;
    }

    .book_5_img_li_a:hover .book_5_img_li_dot2 {
        color: #004564;
    }

    .book_5_img_li_foot {
        margin-top: 38px;
    }

    .book_5_img_li_foot_red {
        float: left;
        height: 21px;
        line-height: 21px;
        color: #E52222;
        font-size: 16px;
        margin: 14px 5px 0px 0px;
    }

    .book_5_img_li_foot_num {
        float: left;
        height: 40px;
        line-height: 40px;
        color: #E52222;
        font-size: 30px;
        margin: 0px 10px 0px 0px;
    }

    .book_5_img_li_foot_text {
        float: left;
        height: 21px;
        line-height: 21px;
        color: #999;
        font-size: 14px;
        margin: 14px 0px 0px 0px;
    }

    .book_5_img_li_foot_price {
        float: left;
        height: 21px;
        line-height: 21px;
        color: #999;
        font-size: 14px;
        margin: 14px 0px 0px 0px;
        position: relative;
    }

    .book_5_img_li_foot_price::after {
        content: '';
        display: block;
        background: #999;
        width: 100%;
        height: 1px;
        left: 0px;
        top: 50%;
        position: absolute;
    }
}

@media screen and (min-width:1200px) {
    /*pc_1440*/
    @media screen and (max-width:1440px) {
        /*1200*/
    }

    .pc_none {
        display: none;
    }
}

@media screen and (max-width:599px) {}

@media screen and (max-width:320px) {}