/* 清除浏览器默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: PingFangSC-Regular, "PingFang SC", sans-serif;
    background: #f5f5f5;
    /* background-color:red */
    /* background-color: rgb(249, 250, 251); */
    /* font-size: 16px; */
    /* color: #333; */
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

img {
    vertical-align: middle;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
    height: 0;
    visibility: hidden;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
}

.header-box {
    max-width: 1400px;
    width: 100%;
    height: 135px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
    padding: 0 50px;
    background: url('/files/pub/img/chcbswz/bg_header.jpg') no-repeat;
}

.logo {
    height: 60px;
}

.header-right {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
}

.header-right-item {
    width: 11%;
    /* display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px; */
}

.header-right-item > a {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.header-right-item:last-child {
    width: 15%;
}

/* @media (max-width: 1600px) {
    .header-right-item {
        width: 13%;
    }

    .header-right-item:last-child {
        width: 13%;
    }



    .nav-list-li {
        font-size: 18px !important;
    }
}

@media (max-width: 1440px) {
    .header-right-item {
        font-size: 12px;
    }

    .logo {
        height: 50px;
    }


    .nav-list-li {
        font-size: 16px !important;
    }
} */

.header-right-item-img {
    width: 50px;
}

.header-right-item-text {
    text-align: center;
    font-size: 14px;
}

.navigation {
    max-width: 1400px;
    width: 100%;
    height: 50px;
    background-color: #122572;
    margin: 0 auto;
    padding: 0 70px;

}

.nav-list-ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%;
}

.nav-list-li {
    font-size: 20px;
    color: #fff
}

.foot-box {
    max-width: 1400px;
    width: 100%;
    min-height: 230px;
    background-color: #083d97;

    /* background: #0645a8 url('/files/pub/img/chcbswz/bg_header.jpg') center/cover no-repeat; */
    padding: 0 80px;
    margin: 0 auto;
    color: #fff;
    font-size: 16px;

}

.footer {
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;

}

.link-box {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 18px;
    /* font-size: 16px; */
}

.link-box li {}

.footer-middle {
    min-height: 80px;
    padding: 13px 0;
    text-align: center;
}

.footer-middle-top {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 44px;
    margin-bottom: 7px;
    line-height: 1.4;
}

.footer-middle-bottom {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 74px;
    line-height: 1.4;
}

.footer-middle-bottom span {
    margin-right: 0;
}
.fuhao{
    width: 14px;
    height: 14px;
    margin: 0 1px;
}
.footer-bottom {
    min-height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* font-size: 13px; */
}
.top-box {
    border: 1px solid #fff;
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}

.top-box img {
    width: 12px;
    height: 12px;
}

/* @media (max-width: 1600px) {
    .foot-box {
        padding-left: 140px;
        padding-right: 140px;
    }
}

@media (max-width: 1280px) {
    .foot-box {
        padding-left: 80px;
        padding-right: 80px;
    }

    .footer-middle-top,
    .footer-middle-bottom {
        gap: 8px 28px;
    }
}

@media (max-width: 768px) {
    .foot-box {
        padding-left: 20px;
        padding-right: 20px;
    }

    .footer-top,
    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
        padding: 14px 0;
    }

    .footer-middle-top,
    .footer-middle-bottom {
        align-items: center;
        flex-direction: column;
        gap: 8px;
    }
} */
.search-box {
    max-width: 1400px;
    width: 100%;
    height: 150px;
    margin: 0 auto;
    background: url('/files/pub/img/chcbswz/bg_search.jpg') no-repeat;
    background-size: cover;
    position: relative;
}

.search-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.search-input-box {
    position: relative;
}

.search-input {
    width: 500px;
    height: 50px;
    border-radius: 40px;
    padding: 10px;
    border: 1px solid #eee;
    padding-left: 30px;
}

.search-btn-img {
    position: absolute;
    top: 10px;
    right: 30px;
    cursor: pointer;
}

.search-btn {
    color: #fff;
}

.search-btn a {
    font-size: 15px;
    margin-right: 10px;
}

/* 首页 */
.home-container-box {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    /* background: #f5f5f5; */
    /* padding: 0 100px; */
    background: #fff;
}

.home-container {
    padding: 20px 30px;
    margin-bottom: 30px;
}

.tab-container {
    display: flex;
    /* align-items: center; */
    height: 65px;
    margin: 30px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.tab-title {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12%;
    font-size: 26px;
    color: #fff;
    background: url('/files/pub/img/chcbswz/title-bg.png') center/cover no-repeat;

}

.tab-list {
    flex: 1;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.tab-list li {
    font-size: 20px;
}

.tab-list li::before {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #3c7df0;
    margin-right: 5px;
}

/* @media (max-width: 1600px) {
    .tab-title {
        width: 14%;
        font-size: 24px;
    }
}

@media (max-width: 1440px) {
    .tab-title {
        width: 16%;
        font-size: 22px;
    }

    .tab-list li {
        font-size: 15px;
    }
} */

.recommendations-box {
    display: flex;
    align-items: center;
    gap: 10px;
    /* border-bottom: 2px solid #014e8f; */
    padding: 5px 0;
    /* margin-bottom: 25px */
}

.recommendations-img {
    width: 15px;
    height: 10px;

}

.recommendations-title {
    font-size: 26px;
    color: #014e8f;
    font-weight: 700;
}

.recommendations-list {
    display: grid;
    gap: 50px 10px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    justify-items: center;
    box-sizing: border-box;
    margin-top: 30px;
}

.recommendations-item {
    width: 100%;
    max-width: 150px;
    display: flex;
    flex-direction: column;
    gap: 6px;

}
.recommendations-item-img-box{
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    /* border: 1px solid #e5dfcf; */
}
.recommendations-item-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.recommendations-item-title {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    text-overflow: ellipsis;
    font-size: 16px;
}

.recommendations-item-text {
    font-size: 14px;
    color: #999;

}

/* banner */
.banner-box {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: clamp(6px, 1vw, 20px);
    margin: 30px 0;
    overflow: hidden;
}

.banner-item {
    min-width: 0;
    aspect-ratio: 288 / 123;
    overflow: hidden;
}

.banner-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.materials-box {
    display: grid;
    grid-template-columns: minmax(420px, 30%) minmax(0, 1fr);
    min-height: 500px;
    gap: clamp(24px, 3vw, 60px);
    /* background-color: red; */
}

.jiaoyu-box {
    min-width: 0;
    min-height: 100px;
    /* background-color: rgb(161, 161, 192); */
}

.textbook-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.more-box {
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.more-img {
    width: 25px;
}

.more {
    color: #014e8f;

}

.textbook-tab {
    color: #014e8f;
    display: flex;
    gap: 20px;
    font-size: 20px;
    margin: 10px 0;

}

.textbook-tab li{
    cursor: pointer;
}
.textbook-item.active {
    font-weight: 600;
}
.textbook-detail {
    display: flex;
    align-items: center;
    gap: clamp(16px, 1.5vw, 30px);
    margin-bottom: 20px;
}

.textbook-detail img {
    width: min(150px, 38%);
    flex-shrink: 0;
}

.textbook-detail-box {
    display: flex;
    flex-direction: column;
    /* gap: 10px; */
    font-size: 16px;
    line-height: 1.5;
}

.textbook-detail-title {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 8px;


}

.textbook-detail-box span {
    /* color: #999; */
    margin-bottom: 5px;
}

.textbook-detail-price {
    /* margin-top: 10px; */
    /* font-size: 17px;
    color: red; */

}

.textbook-detail-list {}

.textbook-detail-list li {
    padding: 6px 0;
    border-top: 1px dashed #eee;
    font-size: 18px;
    /* color: #999; */
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    text-overflow: ellipsis;

}

.textbook-detail-list:last-child {
    border-bottom: 1px dashed #eee;
}

.point-box {
    min-width: 0;

}

.point-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));

}

.point-list .recommendations-item-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    /* border: 1px solid #e5dfcf; */
}

.common-container-box {
    padding: 0 70px 30px 70px;
    /* background: red; */
    margin-bottom: 40px;
}

.nav {
    height: 70px;
    display: flex;
    align-items: center;
    font-size: 20px;
}
.daohang{
    width:30px;
    flex: 0 0 auto;
    margin-right: 8px;
}
.gybs-container {
    display: grid;
    grid-template-columns: clamp(250px, 18vw, 340px) minmax(0, 1fr);
    gap: 20px;
    align-items: stretch;
}

.gybs-left {
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tab-box {
    margin-bottom: 20px;
    background: #fff;
}

.tab-title-gybs {
    color: #fff;
    font-size: clamp(26px, 1.9vw, 36px);
    line-height: 1.25;
    background: #122572;
    padding: 12px 15px;
    text-align: center;

}

.tab-list-gybs {
    display: flex;
    flex-direction: column;
    padding: 15px 25px;
}

.tab-item {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    /* font-size: clamp(16px, 1vw, 18px); */
    line-height: 1.45;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    height: 60px;
}

.tab-item .item-text {
    min-width: 0;
    word-break: keep-all;
}

/* 栏目链接覆盖整行，使文字、留白和箭头区域都可点击 */
.tab-item .item-text a {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    z-index: 1;
}

.tab-item .arrow {
    pointer-events: none;
}

.tab-item.active .item-text {
    color: #014e8f;
}

.tab-item:last-child {
    border-bottom: none;
}

.arrow {
    flex: 0 0 8px;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-top: 2px solid currentColor;
    transform: rotate(45deg);
    color: #666;
}

.tab-item.active .arrow {
    color: #014e8f;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}



.zone-box {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 20px;
}

.zone-item {
    height: 100px;
}

.zone-item img {
    width: 100%;
}

.gybs-right {
    min-width: 0;
    height: 100%;
    background: #fff;
    padding: 0 30px;
}

.common-box {
    padding:0 30px 30px 30px;
}

/* @media (max-width: 1440px) {
    .common-container-box {
        padding: 0 70px;
    }

    .gybs-container {
        grid-template-columns: 240px minmax(0, 1fr);
    }
}

@media (max-width: 1024px) {
    .common-container-box {
        padding: 0 40px;
    }

    .gybs-container {
        grid-template-columns: 220px minmax(0, 1fr);
    }

    .tab-list-gybs {
        padding: 12px;
    }
}

@media (max-width: 768px) {
    .common-container-box {
        padding: 0 20px;
    }

    .gybs-container {
        grid-template-columns: 1fr;
    }

    .gybs-left,
    .gybs-right {
        height: auto;
    }

    .zone-box {
        flex: none;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .zone-item {
        height: auto;
        aspect-ratio: 3 / 1;
    }

    .zone-item img {
        height: 100%;
        object-fit: cover;
    }

    .common-box {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .zone-box {
        grid-template-columns: 1fr;
    }
} */

.gybs-introduction-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
}

.gybs-address-content {
    margin-bottom: 20px;
}
.gybs-address-content * {
    font-size: 18px !important;
    line-height: 2;

}

.common-title {
    font-size: 36px;
    border-bottom: 3px solid #3c7df0;
    padding-bottom: 5px;
    /* margin-bottom: 20px; */
}

.cbyw-item {
    display: flex;
    justify-content: space-between;
    line-height: 3;
    border-bottom: 1px dashed #eee;
    font-size: 16px;
}

.cbyw-title::before {
    content: "\2022";
    color: #014e8f;
    font-size: 14px;

}

.cbyw-date {
    color: #999;
}

.szcb-item {
    display: flex;
    gap: 40px;
    border-bottom: 1px dashed #eee;
    padding: 30px 0;
}

.szcb-item-img {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    /* height: 200px; */
    border: 1px solid #eee;
    border-radius: 5px;
}   

.szcb-item-img img {
    max-width: 100%;
}

.szcb-item-textbox {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 16px;
}

.szcb-item-title {
    font-size: 28px;
    font-weight: 500;
}

.szcb-item-price,
.szcb-item-author,
.szcb-item-edit,
.szcb-item-date {
    display: flex;
    align-items: baseline;
}

.szcb-item-label {
    flex: 0 0 80px;
    width: 80px;
    text-align: right;
}

.szcb-item-label-short,
.szcb-item-label-isbn,
.book-detail-label-short,
.book-detail-label-isbn {
    display: flex;
    justify-content: space-between;
}

/* ISBN 的末尾字母与冒号作为一个整体，避免继承字距后被拉开。 */
.meta-label-isbn > span:last-child,
.szcb-item-label-isbn > span:last-child,
.book-detail-label-isbn > span:last-child {
    letter-spacing: normal;
    white-space: nowrap;
}

.szcb-detail {
    display: flex;
    gap: 40px;

}

.szcb-detail-img {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 400px;
    height: 400px;
    border: 1px solid #eee;
    border-radius: 5px;
}

.szcb-detail-img img {
    width: 100%;
    height: 100%;
}

.szcb-detail-textbox {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.szcb-detail-title {
    font-size: 32px;
    font-weight: 500;
    padding-bottom: 10px;
    border-bottom: 1px dashed #eee;

}

.szcb-detail-download {
    border-bottom: 1px dashed #eee;
    padding-bottom: 20px;
}

.download {
    color: #3c7df0;
    border: 1px solid #3c7df0;
    padding: 1px 15px;
    border-radius: 5px;
}

.szcb-detail-buy img {
    width: 100px;
    margin-right: 20px;
}

.youzan {
    width: 60px !important;
}

.zyxz-title-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid #3c7df0;
    padding-bottom: 5px;
    margin-bottom: 20px;

}

.zyxz-title-download {
    font-size: 36px;
}
.zyxz-search-box{
    position: relative;
}
.zyxz-search-input {
    border-radius: 5px;
    padding: 10px 70px 10px 10px;
    border: 1px solid #eee;
    font-size: 16px;
}
.zyxz-search-btn-img{
    position: absolute;
    top: 10px;
    right: 15px;
    width: 26px;
    height: 26px;
    cursor: pointer;
}
.zyxz-lists-header {
    display: flex;
    justify-content: space-between;
    line-height: 3;
    font-weight: bold;
    background-color: #e3e2e2;
    font-size: 18px;  
}

.zyxz-header-left {
    width: 80%;
    border: 1px solid #eee;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zyxz-header-right {
    width: 20%;
    border: 1px solid #eee;
    border-left: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zyxz-lists-item {
    display: flex;
    justify-content: space-between;
    /* line-height: 4; */
    border: 1px solid #eee;
    border-top: none;
    height: 70px;
    font-size: 16px;
}

.zyxz-lists-item-left {
    width: 80%;
    display: flex;
    align-items: center;
    padding-left: 10px;
}

.zyxz-lists-item-right {
    width: 20%;
    border-left: 1px solid #eee;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zyxz-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
    color: #0b58a6;
}

.zyxz-title a:hover {
}

.zyxz-search-empty {
    padding: 30px 10px;
    color: #999;
    text-align: center;
    border: 1px solid #eee;
    border-top: none;
}
.fwzc-zhengwen{
    padding-top: 20px;
    font-size: 18px;
    line-height: 2;
}
.book-detail-card {
            padding: 28px 36px 42px;
            background: #fff;
            box-sizing: border-box;
        }

        .book-detail-top {
            display: grid;
            grid-template-columns: 260px minmax(0, 1fr);
            gap: 28px;
            padding-bottom: 28px;
        }

        .book-detail-cover {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 260px;
            height: 260px;
            border: 1px solid #e5e5e5;
            border-radius: 4px;
            background: #fff;
            box-sizing: border-box;
        }

        .book-detail-cover img {
            max-width: 82%;
            max-height: 88%;
            object-fit: contain;
        }

        .book-detail-info {
            min-width: 0;
            color: #333;
            font-size: 16px;
            line-height: 1.8;
        }

        .book-detail-title {
            margin: 0 0 14px;
            padding-bottom: 8px;
            border-bottom: 1px dashed #e5e5e5;
            color: #333;
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
        }

        .book-detail-row {
            display: flex;
            /* gap: 12px; */
            margin: 7px 0;  
        }

        .book-detail-label {
            flex: 0 0 86px;
            color: #333;
            /* font-weight: 700; */
        }

        .book-detail-label > span {
            display: inline-block;
        }

        .book-detail-value {
            min-width: 0;
            color: #333;
        }

        

        .book-detail-section {
            padding-top: 20px;
        }

        .book-detail-section-title {
            margin: 0 0 14px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #e5e5e5;
            color: #333;
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
        }

        .book-basic-list {
            display: flex;
            gap: 200px;
            /* display: grid; */
            /* grid-template-columns: repeat(3, minmax(0, 1fr)); */
            /* gap: 16px 34px; */
            margin: 0;
            padding: 0 0 8px;
            list-style: none;
            color: #333;
            font-size: 16px;
            line-height: 1.8;
        }

        .book-intro {
            color: #333;
            font-size: 16px;
            line-height: 2;
        }
        .book-summary {
            margin-top: 12px;
            color: #333;
            line-height: 1.8;
            font-size: 16px;
        }

        .book-summary p {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 8px 0;
            white-space: normal !important;
        }

        .book-summary p > span {
            flex: 0 0 auto;
        }

        .book-summary p > a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 28px;
            padding: 2px 8px;
            border: 1px solid #cfcfcf;
            border-radius: 2px;
            background: #f8f8f8;
            color: #333;
            line-height: 1.4;
            text-decoration: none;
            box-sizing: border-box;
        }

        .book-summary p > a:hover {
            border-color: #999;
            background: #f0f0f0;
        }
        .appendix-download-row{
            gap:8px
        }
        .appendix-download-link {
            display: inline-block;
            padding: 2px 8px;
            border: 1px solid #cfcfcf;
            border-radius: 2px;
            color: #333;
            background: #f8f8f8;
            line-height: 1.4;
            text-decoration: none;
            min-height: 28px;
        }

        .appendix-download-link:hover {
            border-color: #999;
            background: #f0f0f0;
        }