.social-icon{
    background-color: #fdb713;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    margin-top: 28px;
}
.social-icon img{
    width: 24px;
    height: auto
}
.banner{
    max-width: 1200px;
	margin: 0 auto;
    background-color: #ffffff;
}
.banner img{
    width: 100%;
    height: auto;
    display: block;
}
.datas{
    width: 100%;
    height: 150px;
    position: relative;
}
.datas-content{
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 40px;
}

.datas-content{
    width: 1200px;
    height: 178px;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    position: absolute;
    bottom: -45px; /* 图片超出底部一半 */
    left: 0;
    background-color: #ffffff;
}
.datas-item{
    display: flex;
    align-items: center;
}
.datas-item-left img{
    width: 58px;
    height: auto;
}
.datas-item-right{
    margin-left: 16px;
}
.datas-item-digital{
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: #232944;
    letter-spacing: 2px;
    display: flex;
    align-items: top;
}
.datas-item-digital span{
    font-size: 30px;
    font-weight: 500;
    line-height: 1.2;
    color: #9b9bff;
    letter-spacing: 2px;
    margin-left: 16px;
}
.datas-item-label{
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #232944;
}


.impact{
    width: 100%;
    background-color: rgba(155, 155, 255, 0.06);
}
.impact-main{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    clear: both;
}
.impact-left{
    width: 50%;
    background-color: #d9d9d9;
    display: block;
}
.impact-left img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.impact-right{
    width: 50%;
    height: 100%;
}
.impact-content{
    width: 600px;
    padding: 145px 0 100px 115px;
}
.impact-title{
    font-size: 54px;
    font-weight: 600;
    line-height: 1.2;
    color: #232944;
}
.impact-title span{
    color: #fdb713;
}
.impact-intro{
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
    margin-top: 78px;
    margin-bottom: 78px;
}
.impact-btn{
    background-color: #fdb713;
    color: #fff;
    border-radius: 30px;
    font-size: 20px;
    line-height: 30px;
    font-weight: 600;
    text-decoration: none;
    height: 54px;
    width: 211px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.impact-btn span{
    margin-left: 8px;
}
.arrow-right {
    display: inline-block;
    width: 20px;    
    height: 2px;          
    background: #fff;      
    position: relative;
    border-radius: 1px;
}  
.arrow-right::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0; 
    width: 12px;
    height: 12px;
    border-radius: 1px;
    border-right: 2px solid #fff;
    border-top: 2px solid #fff;
    transform: translateY(-50%) rotate(45deg);
}
.impact-btn:hover{
    background-color: #e6a200;
    transition: background-color 0.2s ease;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
}

.news{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.news-title{
    font-size: 54px;
    font-weight: 600;
    line-height: 1.2;
    color: #232944;
    text-align: center;
    margin-top: 100px;
}
.news-title span{
    color: #fdb713;
}
.news-intro{
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #636363;
    text-align: left;
    margin: 50px 0;
}
.news-list{
    width: 1200px;
}
.news-item{
    height: auto;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.1);
    background-color: #ffffff;
    display: flex;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
    padding: 20px;
    transition: all 0.3s ease;
}
.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 4px 8px 30px 0px rgba(35, 41, 68, 0.2);
}
.news-item:hover .news-item-title{
    color: #292929;
}
.news-item-img{
    width: 270px;
    height: 180px;
    overflow: hidden;
}
.news-item-img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    overflow: hidden;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-item-content{
    flex: 1;
    margin-left: 40px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-item-date{
    font-size: 16px;
    color: #95a5a6;
    line-height: 26px;
}
.news-item-title{
    font-size: 20px;
    font-weight: 500;
    line-height: 1.2;
    color: #636363;
    display: -webkit-box;
    line-clamp: 1;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
    white-space: normal;
    border-bottom: none;
    transition: border-bottom 0.2s, color 0.2s;
}
.news-meta{
    font-size: 14px;
    color: #636363;
    line-height: 26px;
}
.news-author{
    margin-left: 10px;
}
.news-item-intro{
    margin-top: 4px;
    font-size: 16px;
    line-height: 1.2;
    color: #636363;
    display: -webkit-box;
    line-clamp: 4;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
    white-space: normal;
    border-bottom: none;
    transition: border-bottom 0.2s, color 0.2s;
}
.news-item-bottom{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}
.news-item-btn{
    border: 1px solid #232944;
    color: #232944;
    background-color: transparent;
    border-radius: 30px;
    font-size: 16px;
    line-height: 20px;
    font-weight: 500;
    text-decoration: none;
    padding: 2px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    display: inline-flex;
    width: auto; 
    flex: 0 0 auto; 
    margin-top: 10px;
    transition: all 0.3s ease;
}

.news-item-btn span{
    margin-left: 8px;
}
.news-item-btn-arrow {
    display: inline-block;
    width: 12px;    
    height: 1px;          
    background: #232944;      
    position: relative;
    border-radius: 1px;
}  
.news-item-btn-arrow::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0; 
    width: 8px;
    height: 8px;
    border-radius: 1px;
    border-right: 1px solid #232944;
    border-top: 1px solid #232944;
    transform: translateY(-50%) rotate(45deg);
}
.news-item-btn:hover{
    background-color: #fdb713;
    transition: background-color 0.2s ease;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid #fdb713;
}
.news-item-btn:hover span{
    background: #fff;
}
.news-item-btn:hover span::after {
    border-right: 1px solid #fff;
    border-top: 1px solid #fff;
}
.contact-us{
    width: 100%;
    background-color: #ffffff;
    display: block;
    margin-top: 100px;
    position: relative;
    clear: both;
    overflow: hidden;  
}
.contact-us-bg-up{
    width: 100%;
    height: 378px;
    background-color: #232944;
}
.contact-us-bg-up-bg {
    width: 767px;
    height: 378px; 
    background: url('../img/bg-map.png') no-repeat center center;
    background-size: contain;
    display: block;
    margin: 0 auto;
}
.contact-us-bg-down {
    width: 100%;
    height: 278px;
}
.contact-us-content{
    width: 1200px;
    height: 100px;
    top: 0;
    left:50%;
    transform: translateX(-50%);
    position: absolute;
}
.contact-us-title{
    font-size: 54px;
    font-weight: 600;
    line-height: 1.2;
    color: #fdb713;
    text-align: center;
    padding-top: 48px;
}
.contact-us-list{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: space-around;
    margin-top: 32px;
}
.contact-us-item{
    display: flex;
    flex-direction: column;
    width: 360px;
    background-color: #ffffff;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}
.contact-us-item img{
    width: 340px;
    height: 300px;
    border-radius: 8px;
    object-fit: cover; 
}
.contact-us-item-title{
    margin-top: 16px;
    font-size: 24px;
    font-weight: 400;
    line-height: 34px;
    color: #232944;
    display: -webkit-box;
    line-clamp: 1;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
    white-space: normal;
    border-bottom: none;
}
.contact-us-item-info{
    margin: 8px 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #636363;
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal; 
    white-space: normal;
}

.contact-us-item:hover {
    box-shadow: 2px 8px 30px 0px rgba(35, 41, 68, 0.15);
    transform: translateY(-4px);
}
.invite{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background-color: #ffffff;
    display: block;
    height: 356px;
    position: relative;
}
.invite-content{
    width: 770px;
    height: 356px;
    border-radius: 10px;
    box-shadow: 2px 8px 30px 0px rgba(35, 41, 68, 0.15);
    padding: 45px;
    position:absolute;
    left:50%;
    transform: translateX(-50%);
    bottom:-60px;
    z-index: 100;
    background-color: #ffffff;
}
.invite-title{
    font-size: 24px;
    font-weight: 600;
    line-height: 1.5;
    color: #232944;
    text-align: center;
}
.invite-input{
    width: 100%;
    height: 36px;
    border: 1px solid rgba(23, 29, 44, 0.7);
    border-radius: 30px;
    margin-top: 12px;
    display: flex;
    align-items: center;
    padding: 0 20px;
}
.invite-input-half{
    width: 48%;
}
.invite-form-a,.invite-form-b{
    display: flex;
    justify-content: space-between;
}
.volunteer-select-input:focus,
.invite-input input:focus,
.invite-input-half input:focus,
input:focus,
textarea:focus {
    border: 1px solid #3b82f6;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.invite-btn{
    background-color: #fdb713;
    color: #fff;
    border-radius: 30px;
    font-size: 16px;
    line-height: 30px;
    font-weight: 600;
    text-decoration: none;
    height: 46px;
    width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px auto 0 auto;
    cursor: pointer;
}
.invite-btn:hover{
    background-color: #e6a200;
    transition: background-color 0.2s ease;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
}
.team,
.events,
.volunteer,
.about{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background-color: #ffffff; 
}
.team-header{
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    color: #fdb713;
    padding-top: 48px;
}
.team-header span{
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    color: #232944;
}
.team-item-header{
    width: 1200px;
    border-bottom: 2px solid #014886;
    height: 45px;
    background-color: #f0f0f0;
    border-radius: 8px 8px 0 0;
}
.team-year{
    height: 100%;
    font-size: 24px;
    line-height: 45px;
    font-weight: 600;
    color: #ffffff;
    background-color: #014886;
    border-radius: 8px 8px 0 0;
    width: auto;
    display: inline-flex;

}
.team-content{
    padding: 20px;
}
.team-year-space{
    width: 20px;
    height: 100%;
    display: block;
}
.team-history{
    margin-top: 40px;
}
.team-table{
    width: 100%;
    border-collapse: collapse;
}
.team-table th, .team-table td{
    border: none;
    padding: 0px;
}
.t-role{
    width: 160px;
    min-width: 160px;
    max-width: 160px;
    font-size: 18px;
    font-weight: 600;
    line-height: 46px;
    text-align: left;
    vertical-align: top;
    color: #000;
}
.t-member{
    font-size: 18px;
    font-weight: 400;
    line-height: 46px;
    text-align: left;
    vertical-align: top;
    color: #333;
    cursor: pointer;
}
.t-member .t-name {
    display: inline-block;
    margin-right: 16px;
    white-space: normal;
}
.t-name{
    color: #333;
    text-decoration: underline;
    transition: color 0.2s, text-decoration 0.2s;
}
.t-name:hover{
    color: #fdb713;
	text-decoration: underline;
}
.about-title{
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    color: #fdb713;
    margin: 50px 0 20px;
}
.about-title span{
    color: #232944;
    margin-right: 16px;
}




.topic-img{
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    object-position: center;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 2px 8px 30px 0px rgba(35, 41, 68, 0.15);
}
.topic-image{
    display: block;
    position: relative;
    clear: both;
    overflow: hidden; 
    border-radius: 8px;
}
.topic-cover{
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 8px;
    box-shadow: 2px 8px 30px 0px rgba(35, 41, 68, 0.15);
} 
.topic{
    position: absolute;
    bottom: 48px;
    left: 76px;
    color: #fdb713;
    font-size: 54px;
    font-weight: 600;
    line-height: 1.2;
}
.about-text{
    margin-top: 100px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
} 
.volunteer-intro{
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 73px;
    margin-bottom: 55px;
}
.volunteer-intro-image{
    width: 48%;
    height: auto;
    max-height: 356px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 2px 8px 30px 0px rgba(35, 41, 68, 0.15);
}
.volunteer-intro-image img{
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover; 
}
.volunteer-intro-article{
    width: 48%;
    display: flex;
    flex-direction: column;
}
.volunteer-intro-title{
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
    color: #232944;
    margin-bottom: 24px;
}
.volunteer-intro-text{
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
}
.volunteer-form-title{
    font-size: 40px;
    font-weight: 600;
    line-height: 1.5;
    color: #000;
}
.volunteer-form-sub-title{
    font-size: 24px;
    font-weight: 500;
    line-height: 1.5;
    color: #000;
}
.volunteer-input{
    width: 48%;
    height: 36px;
    border: 1px solid rgba(23, 29, 44, 0.7);
    border-radius: 30px;
    margin-top: 12px;
    display: flex;
    align-items: center;
    padding: 0 20px;
}
.volunteer-form-a{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.volunteer-form-b{
    width: 100%;
}
.select-label{
    font-size: 16px;
    line-height: 28px;
    color: #65697c;
    margin-left: 16px;
    margin-top: 16px;
}
.volunteer-select-input{
    margin-top: 8px;
    width: 100%;
}
.volunteer-btn{
    margin: 44px 0;
}
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: url('data:image/svg+xml;utf8,<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg"><polygon points="4,6 12,6 8,12" fill="%2365697c"/></svg>') no-repeat right 16px center;
    background-size: 16px 16px;
    padding-right: 40px;
    border: 1px solid #ccc;
    border-radius: 30px;
    height: 36px;
    font-size: 16px;
    cursor: pointer;
}

/* IE10+ 隐藏原生箭头 */
select::-ms-expand {
    display: none;
}
.contact{
    width: 100%;
}
.contact-content{
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    background-color: #f4f4f4;
    display: block;
}
.contact-title{
    font-size: 54px;
    font-weight: 600;
    line-height: 1.2;
    color: #232944;
    text-align: center;
    background-color: #ffffff;
    padding-bottom: 60px;
}
.contact-title span{
    color: #fdb713;
    margin-right: 16px;
}
.contact-list{
    width: 1200px;
    margin: 60px auto;
    display: flex;
    justify-content: space-between;
}
.contact-item{
    width: 30%;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    color: #000;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    padding: 30px 24px;
    border-top: 5px solid #b1040e;
    transition: box-shadow 0.3s ease, border-top-color 0.3s ease;
    margin-bottom: 60px;
}
.contact-item-icon img{
    width: auto;
    height: 48px;
}
.contact-item-info{
    margin-top: 16px;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
    text-align: center;
    max-width: 50%;
}
.contact-item-text{
    margin-top: 16px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
    text-align: center;
    border-top: 1px solid #e0e0e0;
    padding: 16px 0;
}
.event-list{
    width: 1200px;
    margin: 60px auto 0 auto;
    position: relative;
    display: flex;
    justify-content: center;
}
.timeline {
    width: 800px;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20%;
    transform: translateX(-20%);
    width: 2px;
    background-color: #000;
}

.year-group {
    position: relative;
}
.year {
    font-size: 36px;
    line-height: 1.5;
    font-weight: bold;
    width: 20%;
    text-align: right;
    padding-right: 30px;
    margin-bottom: 20px;
}

.events-container {
    display: flex;
    flex-wrap: wrap;
}
.event-item {
    width: 100%;
    display: flex;
    margin-bottom: 15px;
    position: relative;
    font-size: 20px;
    line-height: 1.5;
    color: #636363;
    padding: 16px;
    transition: 
        transform 0.3s cubic-bezier(.21,.98,.6,.99),
        box-shadow 0.35s cubic-bezier(.21,.98,.6,.99),
        border-color 0.3s ease,
        color 0.25s ease;
}
.event-item:hover{  
    color: #000;
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(35, 41, 68, 0.4);
    border-color:#2f415f;
    border-radius: 10px;
}
.month {
    width: 20%;
    text-align: right;
    padding-right: 30px;

}
.event-title {
    width: 80%;
    padding-left: 30px;
}
.news-list-title{
    margin-top: 20px;
}
.news-lists{
    width: 1200px;
    margin: 52px auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    list-style: none;
}
.news-lists-item{
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    transition: box-shadow 0.3s ease;
    padding: 12px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.news-lists-item:hover{
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.1);
    background: #e9f3ff;
    transform: translateY(-6px) scale(1.05);
}

.news-lists-item-image{
    width: 100%;
    height: 144px;
    object-fit: cover;
    border-radius: 10px;
}
.news-lists-item-title{
    font-size: 18px;
    font-weight: 500;
    line-height: 1.5;
    color: #232944;
    margin-top: 8px;
    height: 54px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 2; /* 显示两行 */
    -webkit-line-clamp: 2; /* 显示两行 */
    -webkit-box-orient: vertical;
}
.news-lists-item-info{
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #636363;
}
.news-lists-item-date{
    color: #fdb713;
}
.news-load-more{
    display: block;
    width: 200px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    color: #636363;
    font-size: 16px;
    font-weight: 500;
    border-radius: 24px;
    border: 1px solid #636363;
    margin: 0 auto 80px auto;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.news-load-more:hover{
    background-color: #fdb713;
    border: 1px solid #fdb713;
    color: #fff;
}
.news-detail{
    width:1200px;
    margin:20px auto;
}
.news-detail-title{
    font-size: 36px;
    font-weight: bold;
    line-height: 1.5;
    color: #000;
    margin-bottom: 18px;
}
.news-detail-sub-title{
    font-size: 24px;
    font-weight: 400;
    line-height: 1.5;
    color: #232944;
    margin-bottom: 18px;
}
.news-detail-date{
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: #fdb713;
}
.news-detail-author{
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: #232944;
}
.news-article{
    margin-top: 40px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    color: #000;
}
.news-article img{
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 10px;
}
.detail-end {
    text-align: center;  
    font-size: 16px;         
    color: #999;             
    margin: 40px 0;          
    position: relative;
}

.detail-end::before,
.detail-end::after {
    content: "";
    display: inline-block;
    width: 40px;
    height: 1px;
    background: #ccc;   
    vertical-align: middle;
    margin: 0 12px;
}
.team{
    width: 1200px;
    margin: 0px auto;
}
.team-title{
    font-size: 54px;
    font-weight: bold;
    line-height: 1.5;
    color: #000;
    margin-bottom: 20px;
    text-align: center;
}
.team-title span{
    color: #fdb713;
}
.team-bg-img{
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 40px;
}
.team-desc{
    font-size: 16px;
    line-height: 1.8;
    color: #636363;
    margin-bottom: 60px;
}
.team-list{
    width: 1200px;
    margin: 52px auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    list-style: none;
}
.team-member{
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    transition: box-shadow 0.3s ease;
    padding: 12px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-member:hover{
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.1);
    background: #e9f3ff;
    transform: translateY(-6px) scale(1.05);
}
.team-member img{
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
}
.team-member-name{
    width: 100%;
    border-bottom: 1px solid #fdb713;
    font-size: 24px;
    font-weight: 500;
    line-height: 1.5;
    color: #636363;
    margin-top: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 2; /* 显示两行 */
    -webkit-line-clamp: 2; /* 显示两行 */
    -webkit-box-orient: vertical;
}
.team-member-role{
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    line-height: 1.5;
    color: #565656;
    margin: 8px 0;
}
.team-detail{
    width: 1200px;
    margin: 10px auto;
}
.team-detail-content{
    width: 100%;
    display: flex;
    margin-top: 60px;
}
.team-detail-left{
    flex:6;
}
.team-detail-right{
    flex:4;
    padding-left: 60px;
}
.team-member-name-small{
    font-size: 36px;
    font-weight: bold;
    line-height: 1.5;
    color: #000;
    margin-right: 16px;
}
.team-member-role-small{
    font-size: 24px;
    font-weight: 400;
    line-height: 1.5;
    color: #000;
}
.team-member-intro{
    font-size: 16px;
    line-height: 1.8;
    color: #000;
    margin-top: 20px;
}
.team-detail-right img{
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}
.learning{
    width: 1200px;
    margin: 0px auto 80px auto;
}
.learning-desc{
    max-width: 80%;
    margin:0 auto;
}

.learning-list{
    width: 1200px;
    margin: 52px auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    list-style: none;
}
.learning-item{
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.04);
    transition: box-shadow 0.3s ease;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.learning-item:hover{
    box-shadow: 2px 4px 20px 0px rgba(35, 41, 68, 0.1);
    background: #e9f3ff;
    transform: translateY(-6px) scale(1.05);
}
.learning-item img{
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
}
.learning-name{
    width: 100%;
    border-bottom: 1px solid #fdb713;
    font-size: 24px;
    font-weight: 500;
    line-height: 1.5;
    color: #636363;
    margin-top: 8px;
}
.learning-intro{
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    line-height: 1.5;
    color: #565656;
    margin: 8px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 2; /* 显示两行 */
    -webkit-line-clamp: 2; /* 显示两行 */
    -webkit-box-orient: vertical;
}
.learning-detail{
    width: 1200px;
    margin: 10px auto;
}
.learning-detail-content{
    width: 100%;
    display: flex;
    margin-top: 60px;
}
.learning-detail-left{
    flex:4;
}
.learning-detail-right{
    flex:6;
    padding-left: 60px;
}
.learning-detail-intro{
    font-size: 16px;
    line-height: 1.8;
    color: #000;
}
.learning-detail-left img{
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}
.chapter{
    width: 1000px;
    margin: 0px auto 80px auto;
}
.chapter-title{
    font-size: 54px;
    font-weight: bold;
    line-height: 1.5;
    color: #fdb713;
    text-align: center;
    margin-bottom: 20px;
}
.chapter-title span{
    color: #232944;
}
.chapter-text{
    font-size: 18px;
    line-height: 1.5;
    color: #636363;
    margin: 20px 0;
}
.chapter-form{
    margin: 60px 0;
    width: 560px;
}
.form-input-item{
    width: 100%;
    height: auto;
    margin-bottom: 10px;
}
.form-input-label{
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: #636363;
    margin-bottom: 8px;
}
.form-input-label span{
    color: #f44336;
    margin-left: 4px;
}
.form-input{
    width: 100%;
    font-size: 18px;
    color: #232944;
    padding: 8px 0;
    border: none;
    border-bottom: 1px solid #636363;
    background: transparent;
    transition: border-color 0.3s, border-bottom-width 0.3s;
    box-sizing: border-box;
}
.form-input:focus{
    outline: none;
    border: none;
    border-bottom: 1px solid #2196F3;
}
.form-input.error {
    border-bottom: 2px solid #f44336; 
} 
.error-message {
    font-size: 14px;
    color: #f44336;
    margin-top: 5px;
}
.radio-option {
    display: flex; 
    align-items: center;
    margin: 8px 0; 
    font-size: 18px;
    color: #333;
}

.radio-option input[type="radio"] {
    margin-right: 10px; 
}
.form-group.error .radio-option label {
    color: #f44336;
}
.radio-option label{
    color: #636363;
}
.radio-bottom{
    border-bottom: 1px solid #636363;
}
.form-btn{
    background-color: #fdb713;
    color: #fff;
    border-radius: 30px;
    font-size: 16px;
    line-height: 30px;
    font-weight: 600;
    text-decoration: none;
    height: 46px;
    width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin:40px 0;
    cursor: pointer;
}
.form-btn:hover{
    background-color: #e6a200;
    transition: background-color 0.2s ease;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
}
.donation-form{
    width: 600px;
    margin: 80px auto;
}
.form-textarea{
    width: 100%;
    height: 120px;
    font-size: 18px;
    color: #232944;
    padding: 8px 0;
    border: none;
    border-bottom: 1px solid #636363;
    background: transparent;
    transition: border-color 0.3s, border-bottom-width 0.3s;
    box-sizing: border-box;
    resize: vertical;
}
.form-textarea:focus{
    outline: none;
    border: none;
    border-bottom: 1px solid #2196F3;
}
.btn-center{
    margin: 40px auto;
}
.content-404{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-flow: column;
    font-size: 40px;
    line-height: 1.1;
    color: #1E3A8A;
    text-align: center;
}
.hint404 span{
    border-right: 2px solid #1E3A8A;
    padding: 0 10px;
}
.hint404-text{
    font-size: 16px;
    color: #4B5563;
    margin: 40px 20px ;
    display: block;
}
.hint404-text p{
    margin: 10px 0;
}
.back-btn a{
    font-size: 24px;
}