/* ===== Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    font-family: "Microsoft YaHei","微软雅黑",SimHei,"黑体",sans-serif;
    background: #f5f5f5;
    color: #333;
    font-size: 14px
}

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

ul, li {
    list-style: none
}

img {
    display: block;
    border: 0
}

.clearfix::after {
    content: "";
    display: block;
    clear: both
}

/* ===== Layout ===== */
.wrap {
    width: 1600px;
    margin: 0 auto
}


/* ===== Container ===== */
.container {
    padding: 20px 0
}

    .container .wrap {
        display: flex;
        gap: 20px;
        align-items: flex-start
    }

.main-left {
    width: 1130px;
    flex-shrink: 0
}

/* ===== Banner ===== */
.banner {
    width: 1130px;
    height: 240px;
    background: #fff;
    border-radius: 0;
    overflow: hidden;
    position: relative
}

    .banner .banner-img {
        width: 1130px;
        height: 450px;
        position: absolute;
        top: -12px;
        left: 0
    }

    .banner .banner-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 40px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 36px;
        font-family: SimHei;
        z-index: 2
    }

    .banner .arrow-left {
        left: 0;
        background: rgba(0,0,0,.2);
        color: #fff
    }

    .banner .arrow-right {
        right: 0;
        background: rgba(34,171,73,.502);
        color: #fff
    }

/* ===== Article Section ===== */
.article-section {
    background: #fff;
    margin-top: 20px;
    width: 1130px
}

.article-tabs {
    display: flex;
    padding: 25px 30px 0;
    border-bottom: 1px solid #eee
}

    .article-tabs .tab {
        width: 140px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        cursor: pointer;
        border-radius: 8px 8px 0 0;
        margin-right: 10px;
        position: relative;
        top: 1px;
        text-align: center
    }

        .article-tabs .tab.active {
            background: #22ab49;
            color: #fff;
            font-family: SimHei
        }

        .article-tabs .tab:not(.active) {
            background: #eee;
            color: #333
        }

            .article-tabs .tab:not(.active):hover {
                background: #e5e5e5
            }

.article-list {
    padding: 0 30px
}

.article-item {
    display: flex;
    padding: 20px 0;
    border-bottom: 1px solid #eee
}

    .article-item:last-child {
        border-bottom: 0
    }

.article-thumb {
    width: 210px;
    height: 140px;
    flex-shrink: 0;
    overflow: hidden;
    background: #22ab49;
    border-radius: 4px
}

    .article-thumb img {
        width: 210px;
        height: 140px;
        object-fit: cover
    }

.article-info {
    flex: 1;
    padding-left: 29px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 5px
}

.article-title {
    font-size: 20px;
    color: #333;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 18px;
    cursor: pointer
}

    .article-title:hover {
        color: #22ab49
    }

.article-authors {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px
}

.article-doi {
    font-size: 14px;
    color: #999
}

.article-actions {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 16px;
    padding-left: 23px
}

    .article-actions .act {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        color: #333;
        cursor: pointer
    }

        .article-actions .act svg {
            width: 16px;
            height: 16px;
            fill: #333
        }

        .article-actions .act.fav svg {
            fill: #f26e22
        }



/* ===== Right Sidebar ===== */
.main-right {
    width: 450px;
    flex-shrink: 0
}

/* Login buttons */
.login-box {
    background: #fff;
    padding: 25px
}

.login-grid {
    display: grid;
    grid-template-columns: 190px 190px;
    gap: 20px;
    justify-content: center
}

.login-btn {
    height: 80px;
    background: #0a683f;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: opacity .2s
}

    .login-btn:hover {
        opacity: .9
    }

    .login-btn svg {
        width: 28px;
        height: 28px;
        fill: #fff;
        flex-shrink: 0
    }

/* Journal info */
.journal-box {
    background: #fff;
    margin-top: 20px
}

.journal-cover {
    display: flex;
    justify-content: center;
    padding: 20px 0
}

    .journal-cover img {
        width: 240px;
        height: 300px
    }

.journal-info {
    padding: 0 25px 30px
}

    .journal-info .info-item {
        display: flex;
        font-size: 16px;
        line-height: 2.25
    }

        .journal-info .info-item .label {
            font-weight: 700;
            color: #333;
            white-space: nowrap
        }

        .journal-info .info-item .value {
            color: #333;
            font-weight: 400
        }

.journal-sep {
    height: 1px;
    background: #eee;
    margin: 0 25px
}

/* Section card */
.section-card {
    background: #fff;
    margin-top: 20px
}

.section-head {
    padding: 25px 25px 15px;
    position: relative
}

.section-title {
    font-size: 24px;
    color: #333;
    font-weight: 400
}

.section-title-line {
    width: 96px;
    height: 3px;
    background: #22ab49;
    margin-top: 12px
}

.section-more {
    position: absolute;
    right: 25px;
    top: 30px;
    font-size: 16px;
    color: #333;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px
}

    .section-more .gt {
        font-size: 20px;
        font-family: SimHei
    }

/* 青委风采 */
.editor-carousel {
    position: relative;
    padding: 15px 25px 25px
}

.editor-photo-wrap {
    width: 240px;
    height: 295px;
    margin: 0 auto;
    position: relative;
    overflow: hidden
}

    .editor-photo-wrap img {
        width: 240px;
        height: 295px;
        object-fit: cover
    }

.editor-name-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px
}

    .editor-name-bar .name {
        color: #fff;
        font-size: 18px;
        font-weight: 700
    }

    .editor-name-bar .title {
        color: #fff;
        font-size: 18px
    }

.editor-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #ddd;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    font-family: SimHei;
    color: #333;
    z-index: 2
}

    .editor-arrow.left {
        left: 20px
    }

    .editor-arrow.right {
        right: 20px
    }

.editor-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 15px
}

    .editor-dots .dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: #ccc;
        cursor: pointer
    }

        .editor-dots .dot.active {
            background: #22ab49;
            border-radius: 6px;
            width: 20px
        }

/* 学术活动 */
.activity-list {
    padding: 0 25px 20px
}

.activity-item {
    display: flex;
    gap: 21px;
    padding: 14px 0
}

    .activity-item:not(:last-child) {
        border-bottom: 1px solid #eee
    }

.activity-thumb {
    width: 180px;
    height: 120px;
    flex-shrink: 0;
    overflow: hidden
}

    .activity-thumb img {
        width: 180px;
        height: 120px;
        object-fit: cover
    }

.activity-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center
}

    .activity-text .at-tit {
        font-size: 18px;
        color: #333;
        line-height: 1.55
    }

    .activity-text .at-date {
        font-size: 16px;
        color: #999;
        margin-top: 8px
    }

/* 下载中心 */
.download-list {
    padding: 0 25px 25px
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5
}

    .download-item:last-child {
        border-bottom: 0
    }

    .download-item .dl-name {
        font-size: 16px;
        color: #333;
        cursor: pointer
    }

        .download-item .dl-name:hover {
            color: #22ab49
        }

    .download-item .dl-icon {
        width: 18px;
        height: 18px;
        fill: #22ab49;
        cursor: pointer;
        flex-shrink: 0
    }

/* ===== Footer ===== */
.footer {
    background: #22ab49;
    margin-top: 20px;
    padding: 40px 0 30px;
    position: relative
}

    .footer .wrap {
        position: relative
    }

.footer-title {
    font-size: 18px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 20px
}

.footer-links {
    display: flex;
    gap: 0
}

    .footer-links .col {
        flex: 1
    }

        .footer-links .col a {
            display: block;
            color: #fff;
            font-size: 14px;
            line-height: 2.8;
            opacity: .9
        }

            .footer-links .col a:hover {
                opacity: 1;
                text-decoration: underline
            }

.footer-sep {
    height: 1px;
    background: rgba(255,255,255,.2);
    margin: 25px 0 20px
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between
}

    .footer-bottom .fb-left {
        display: flex;
        align-items: center;
        gap: 30px
    }

    .footer-bottom .fb-nav {
        color: #fff;
        font-size: 14px
    }

    .footer-bottom .fb-icp {
        color: #fff;
        font-size: 14px
    }

    .footer-bottom .fb-right {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 14px
    }

        .footer-bottom .fb-right .wechat-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,.5);
            display: flex;
            align-items: center;
            justify-content: center
        }

            .footer-bottom .fb-right .wechat-circle svg {
                width: 22px;
                height: 22px;
                fill: #fff
            }

/* ===== Mobile Elements ===== */
.m-toolbar {
    display: none
}

.m-icon {
    width: 38px;
    height: 38px;
    background: transparent;
    border: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0
}

    .m-icon svg {
        width: 22px;
        height: 22px;
        fill: #333
    }

.m-menu-btn {
    flex-direction: column;
    gap: 4px
}

    .m-menu-btn span {
        display: block;
        width: 22px;
        height: 2px;
        background: #333;
        border-radius: 1px
    }

.m-search {
    display: none
}

.m-pop {
    display: none;
    position: absolute;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    z-index: 20;
    overflow: hidden
}

    .m-pop a {
        display: block;
        padding: 12px 24px;
        font-size: 15px;
        color: #333;
        border-bottom: 1px solid #f5f5f5;
        cursor: pointer;
        white-space: nowrap;
        text-align: center
    }

        .m-pop a:last-child {
            border-bottom: 0
        }

        .m-pop a:hover {
            background: #f8f8f8
        }

        .m-pop a.active {
            color: #22ab49;
            font-weight: 700
        }

.m-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: rgba(0,0,0,.4);
    z-index: 98;
    cursor: pointer
}

.m-menu-close {
    display: none
}

.menu-toggle {
    display: none
}

/* ===== Responsive ===== */
@media screen and (max-width:1640px) {
    .wrap {
        width: 100%;
        max-width: 1600px;
        padding: 0 20px
    }
}

@media screen and (max-width:1200px) {
    .header {
        height: auto;
        padding: 15px 0
    }

        .header .wrap {
            flex-wrap: wrap;
            height: auto;
            gap: 15px
        }

    .logo {
        width: 220px;
        height: 56px
    }

        .logo img {
            width: 220px;
            height: 56px
        }

    .search {
        width: 100%;
        order: 3
    }

    .header-right {
        margin-left: auto
    }

    .menu {
        height: auto
    }

        .menu .wrap {
            height: auto
        }

        .menu ul {
            flex-wrap: wrap;
            height: auto;
            justify-content: center
        }

        .menu li {
            height: 50px
        }

            .menu li > a {
                font-size: 16px;
                padding: 0 15px
            }

            .menu li.active > a {
                height: 36px;
                margin: 0 3px;
                padding: 0 15px
            }

    .container .wrap {
        flex-direction: column
    }

    .main-left {
        width: 100%;
        flex-shrink: 1
    }

    .main-right {
        width: 100%
    }

    .banner {
        width: 100%;
        height: auto
    }

        .banner .banner-img {
            width: 100%;
            height: auto;
            position: relative;
            top: 0
        }

    .article-section {
        width: 100%
    }

    .article-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch
    }

        .article-tabs .tab {
            flex-shrink: 0
        }

    .article-thumb {
        width: 160px;
        height: 107px
    }

        .article-thumb img {
            width: 160px;
            height: 107px
        }

    .article-title {
        font-size: 17px
    }

    .article-info {
        padding-left: 20px
    }

    .login-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px
    }

    .login-btn {
        height: 65px;
        font-size: 16px
    }

        .login-btn svg {
            width: 22px;
            height: 22px
        }

    .journal-cover img {
        width: 200px;
        height: 250px
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 20px
    }

        .footer-links .col {
            flex: 1 1 220px
        }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center
    }
}

@media screen and (max-width:768px) {
    .wrap {
        padding: 0 15px
    }

    .header {
        height: auto;
        padding: 10px 0
    }

        .header .wrap {
            flex-wrap: wrap;
            height: auto
        }

    .logo {
        width: 160px;
        height: 40px;
        margin: 0
    }

        .logo img {
            width: 160px;
            height: 40px
        }

    .search {
        display: none
    }

    .header-right {
        display: none
    }

    .m-toolbar {
        display: flex;
        align-items: center;
        gap: 2px;
        margin-left: auto
    }

    .m-search {
        display: none;
        align-items: center;
        width: 100%;
        height: 38px;
        background: #f8f8f8;
        border: 1px solid #dedede;
        border-radius: 19px;
        padding: 0 15px;
        margin-top: 8px
    }

        .m-search.show {
            display: flex
        }

        .m-search input {
            flex: 1;
            border: 0;
            background: transparent;
            outline: 0;
            font-size: 14px
        }

        .m-search svg {
            width: 18px;
            height: 18px;
            fill: #999;
            flex-shrink: 0;
            cursor: pointer
        }

    .m-pop.show {
        display: block
    }

    #m-pop-login {
        right: 90px;
        top: 48px
    }

    #m-pop-lang {
        right: 50px;
        top: 48px
    }

    .menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 50%;
        height: 100%;
        z-index: 100;
        display: none
    }

        .menu.show {
            display: block
        }

        .menu .wrap {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 55px 20px 20px;
            background: #22ab49;
            overflow-y: auto;
            position: relative
        }

        .menu ul {
            flex-direction: column;
            width: 100%;
            height: auto
        }

        .menu li {
            width: 100%;
            height: auto;
            justify-content: flex-start;
            border-bottom: 1px solid rgba(255,255,255,.15)
        }

            .menu li > a {
                justify-content: flex-start;
                font-size: 16px;
                padding: 14px 0
            }

            .menu li.active > a {
                height: auto;
                margin: 0;
                padding: 14px 0;
                border-radius: 0;
                background: transparent;
                font-weight: 700
            }

    .menu-toggle {
        display: none
    }

    .m-menu-close {
        display: block;
        position: absolute;
        top: 12px;
        right: 15px;
        width: 36px;
        height: 36px;
        border: 0;
        background: transparent;
        color: #fff;
        font-size: 28px;
        cursor: pointer;
        line-height: 1
    }

    .m-menu-overlay.show {
        display: block
    }

    .article-item {
        flex-direction: column
    }

    .article-thumb {
        width: 100%;
        height: 180px
    }

        .article-thumb img {
            width: 100%;
            height: 180px;
            object-fit: cover
        }

    .article-info {
        padding-left: 0;
        padding-top: 15px
    }

    .article-title {
        font-size: 16px
    }

    .article-actions {
        flex-wrap: wrap;
        gap: 15px;
        padding-left: 0
    }

    .article-tabs .tab {
        font-size: 16px;
        width: auto;
        padding: 0 15px
    }

    .login-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px
    }

    .login-btn {
        height: 55px;
        font-size: 14px
    }

        .login-btn svg {
            width: 20px;
            height: 20px
        }

    .journal-cover img {
        width: 160px;
        height: 200px
    }

    .journal-info {
        padding: 0 15px 20px
    }

        .journal-info .info-item {
            font-size: 14px;
            line-height: 2
        }

    .section-head {
        padding: 20px 15px 12px
    }

    .section-title {
        font-size: 20px
    }

    .activity-item {
        flex-direction: column
    }

    .activity-thumb {
        width: 100%;
        height: 160px
    }

        .activity-thumb img {
            width: 100%;
            height: 160px;
            object-fit: cover
        }

    .editor-photo-wrap {
        width: 180px;
        height: 220px
    }

        .editor-photo-wrap img {
            width: 180px;
            height: 220px
        }

    .editor-arrow {
        width: 32px;
        height: 32px;
        font-size: 18px
    }

    .download-list {
        padding: 0 15px 20px
    }

    .footer {
        padding: 25px 0 20px
    }

    .footer-title {
        font-size: 16px;
        margin-bottom: 15px
    }

    .footer-links {
        flex-direction: column;
        gap: 15px
    }

        .footer-links .col {
            flex: 0 0 auto
        }

            .footer-links .col a {
                line-height: 2
            }

    .footer-bottom .fb-left {
        flex-direction: column;
        gap: 10px
    }

    .footer-bottom .fb-right {
        justify-content: center
    }
}

@media screen and (max-width:480px) {
    .logo {
        width: 130px;
        height: 33px
    }

        .logo img {
            width: 130px;
            height: 33px
        }

    .menu {
        width: 60%
    }

    .m-menu-overlay {
        width: 40%
    }

    .article-tabs .tab {
        font-size: 14px;
        padding: 0 10px
    }

    .login-grid {
        grid-template-columns: 1fr;
        gap: 10px
    }

    .editor-photo-wrap {
        width: 150px;
        height: 185px
    }

        .editor-photo-wrap img {
            width: 150px;
            height: 185px
        }
}