/* 专有样式 */
.app-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%
}

.header-bg {
    width: 100%;
    height: 130px;
    background: url(../images/top.jpg) center no-repeat,#3058a2;
    display: flex;
    align-items: center;
    padding-left: 1.5vw
}

.main-nav {
    width: 60%;
    padding: 0;
    box-shadow: 0 2px 8px #0000000a;
    position: sticky;
    display: flex;
    description
    flex-direction: row;
    height: 43px;
    justify-content: flex-end;
    margin: 70px 1px 0px 0px;
}

.main-nav ul {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    margin: 0;
    padding: 0 2vw 0 0;
    list-style: none;
    height: 54px;
        color: #FFF
}

.main-nav li {
    margin: 0
}

.main-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background .2s,color .2s
}
.main-nav a.li-active,.main-nav a:hover {
    background: #fff;
    color: #234b8b
}

.site-logo {
    height: 140px;
    width: auto;
    display: block;
    background: transparent!important;
    box-shadow: none!important;
    border-radius: 0!important
}

.content-wrapper {
    flex: 1;
    width: 100%;
    background: #f5f7fa;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-bottom: 20px;
    overflow-y: auto
}





/* 主页样式 */

.home-container {
    width: 100vw;
    background: #f5f7fa;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start
}

.intro-section {
	max-width: 1440px;
    display: flex;
    flex-direction: column;
    background: #fff;
    margin: 40px auto 20px;
    padding: 32px 32px 24px;
    border-radius: 18px;
    box-shadow: 0 4px 24px #00000014
}

.center-div {
    width: 100%;
    text-align: center;
    margin-bottom: 24px
}

.intro-content-row {
    display: flex;
    flex-direction: row;
    gap: 0 24px
}

.left-image {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center
}

.carousel {
    position: relative;
    width: 100%
}

.team-photo {
    width: 100%;
    border-radius: 14px;
    margin-top: 8px;
    object-fit: cover
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #ffffffb3;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.6rem;
    color: #234b8b;
    cursor: pointer;
    z-index: 2;
    transition: background .2s
}

.carousel-btn.left {
    left: 8px
}

.carousel-btn.right {
    right: 8px
}

.carousel-btn:hover {
    background: #fff
}

.right-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start
}

.title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a237e;
    margin-bottom: .5rem
}

.subtitle {
    font-size: 1.2rem;
    color: #3949ab;
    margin-bottom: 1.5rem
}

.description {
    font-size: 16px;
    color: #333;
    line-height: 23px;
    text-align: left
}

.description ul {
    margin: .5em 0 .5em 1.5em;
    padding: 0
}

.left-image {
        justify-content: center
    }

.carousel,.team-photo {
        max-width: 100%;
    }

.right-content {
        width: 100%
    }

.title.center-title {
    text-align: center;
    margin-top: 48px
}

.subtitle.center-subtitle {
    text-align: center;
    margin-bottom: 24px
}

.joinus-block {
    width: 100%;
    text-align: center;
    margin-top: 32px;
    margin-bottom: 0
}

.joinus-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 8px
}

.joinus-desc {
    font-size: 18px;
    color: #222;
    text-align: left;
    margin-bottom: 0

}

.joinus-bg {
    background: #234b8b;
    color: #fff;
    padding: 0 8px;
    border-radius: 4px;
    margin: 0 4px
}

.joinus-desc a {
    color: #1976d2;
    text-decoration: underline
}






/*单页附加样式表*/

.research-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 16px 64px
}

.research-title {
    text-align: center;
    font-size: 2.2rem;
    color: #1a237e;
    margin-bottom: 32px;
    font-weight: 700
}

.research-content {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px #3c3c3c1a;
    padding: 32px 32px 50px;
    margin-top: 16px;
    font-size: 1.08rem;
    line-height: 1.8rem;

    color: #222
}

.research-content p {
    line-height:1.8rem;
}

.research-content h2,.research-content h3,.research-content h4,.research-content h5 {
    color: #234b8b;
    margin-top: 1.5em;
    margin-bottom: .5em
}

.research-content ul {
    margin: .5em 0 .5em 2em
}

.research-content li {
    margin-bottom: .4em
}

.research-content a {
    color: #1976d2;
    text-decoration: underline
}

.research-content img {
    width: 100%;
   /* max-width: 800px;*/
    border-radius: 10px;
    box-shadow: 0 2px 12px #3c3c3c21;
    background: #fff;
    padding: 50px;
    text-align: center

}

.research-img-gallery {
    margin: 48px auto 0;
    width: 100%
}

.research-img-block {
    margin: 36px 0 18px;
    text-align: center
}

.research-img-block img {
    width: 100%;
    max-width: 700px;
    border-radius: 10px;
    box-shadow: 0 2px 12px #3c3c3c21;
    background: #fff;
    padding: 6px
}

.caption {
    color: #3949ab;
    font-size: 1.02rem;
    margin-top: 8px;
    font-style: italic
}


/*成员附加样式表*/
.members-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 0 64px
}

.members-title {
    text-align: center;
    font-size: 2.4rem;
    color: #1a237e;
    margin-bottom: 32px;
    font-weight: 700
}

.section-title {
    font-size: 1.4rem;
    color: #234b8b;
    margin: 32px 0 18px;
    font-weight: 700
}

.members-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0 24px;
    /* justify-content: space-between; */
    margin-bottom: 12px;
    margin-left: 0;
    margin-right: 0
}

.member-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px #3c3c3c1a;
    padding: 18px 16px 12px;
    width: calc((100% - 72px)/4);
    min-width: 250px;
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 0 0 20px 0
}

.member-photo {
    width: 130px;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px #3c3c3c1a
}

.member-name {
    font-size: 1.08rem;
    font-weight: 700;
    color: #234b8b;
    margin-bottom: 2px
}

.member-name a {
    font-size: 1.08rem;
    font-weight: 700;
    color: #234b8b;
    margin-bottom: 2px
}
.member-role {
    font-size: .98rem;
    color: #3949ab;
    margin-bottom: 2px
}

.member-desc {
    font-size: .92rem;
    color: #444;
    max-width: 160px;
    margin-bottom: 2px
}

.member-email a {
    font-size: .92rem;
    color: #1976d2;
    text-decoration: underline
}

.members-group-photo {
    margin: 48px auto 0;
    text-align: center
}

.members-group-photo img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 24px #3c3c3c21
}

@media (max-width: 900px) {
    .members-list {
        justify-content:center;
        gap: 24px 12px
    }

    .member-card {
        width: 46vw;
        min-width: 160px;
        max-width: 240px
    }
}

.core-section {
    margin-bottom: 36px
}

.core-list {
    display: flex;
    flex-direction: column;
    gap: 32px 0;
    align-items: center
}

.core-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px #3c3c3c21;
    padding: 24px 32px 18px;
    width: 100%;
    min-height: 180px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 18px;
    margin: 0 auto
}

.core-photo {
    width: 90px;
    height: 110px;
    object-fit: cover;
    border-radius: 10px;
    margin-right: 10px;
    box-shadow: 0 2px 8px #3c3c3c21
}

.core-xqphoto {
    max-height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-right: 10px;
    box-shadow: 0 2px 8px #3c3c3c21
}
.core-img {
    width: 240;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-right: 10px;
    box-shadow: 0 2px 8px #3c3c3c21
}

.core-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 2px;
    line-height: 24px;
    font-size: 16px;
}

.core-name {
    font-size: 1.08rem;
    font-weight: 700;
    color: #234b8b;
    margin-bottom: 2px
}

.core-name a {
    font-size: 1.08rem;
    font-weight: 700;
    color: #234b8b;
    margin-bottom: 2px
}

.core-role {
    font-size: 1.02rem;
    font-style: italic;
    color: #3949ab;
    margin-bottom: 2px
}

.core-desc {
    font-size: .98rem;
    color: #444;
    margin-bottom: 0
}

.core-email {
    color: #111;
    font-weight: 700
}

.core-email a {
    font-size: 1.05rem;
    color: #0d47a1;
    font-weight: 700;
    text-decoration: underline;
    margin-left: 4px
}