.mt300 {
    margin-top: 300px !important;
}
.h400 {
    height: 400px !important;
}
.about-container {
    background: #FAFCFF;
    padding-top: 40px;
}   

.about-header {
    text-align: center;
    /* padding: 40px 0 0; */
}

.about-header h1 {
    font-size: 36px;
    color: #1D2129;
    font-weight: 600;
    margin-bottom: 20px;
}
#news {
    margin-bottom: 50px;
}
.about-content {
    /* max-width: 1200px; */
    margin: 0 auto;
    /* padding: 0 20px; */
    
}

.about-section {
    display: flex;
    gap: 60px;
    align-items: center;
    margin: 50px auto;
    width: 1200px;
}

.about-image {
    flex: 1;
    /* max-width: 600px; */
    
}

.about-image img {
    width: 599px;
    height: 599px;
}

.about-text {
    flex: 1;
   
}

.about-text p {
    font-size: 18px;
    color: #333333;
    line-height: 1.8;
    text-indent: 2em;
}

.about-text p:last-child {
    margin-bottom: 0;
}

/* 响应式设计 */
@media screen and (max-width: 1024px) {
    .about-section {
        gap: 40px;
    }
}

@media screen and (max-width: 768px) {
    .about-section {
        flex-direction: column;
        gap: 30px;
    }

    .about-image {
        max-width: 100%;
    }

    .about-section:nth-child(2) {
        flex-direction: column-reverse;
    }
}

@media screen and (max-width: 480px) {
    .about-header h1 {
        font-size: 28px;
    }

    .about-text p {
        font-size: 14px;
    }
}

html {
    scroll-behavior: smooth;
}

/* 调整锚点定位位置 */
#about-us {
    scroll-margin-top: 120px; /* 导航栏高度 + 额外空间 */
}

#news, #operation, #consult, #culture, #join {
    scroll-margin-top: 120px;
}

/* 发展历程样式 */
.timeline-section {
    position: relative;
    margin:280px auto 60px;
    width: 1200px;
    min-height: 1220px;

}
.timeline-title-icon{
    width: 150px;
    height: 150px;
}
.timeline-title-line {
    width: 6px;
    height: 237px;
    background: linear-gradient( 180deg, #416DF8 0%, rgba(65,109,248,0) 100%);
    position: absolute;
    left: 72px;
    top: 149px;
}
.line-style-two {
    height: 500px;
    background: #3b68f8;
}
.timeline-title-text {
    position: absolute;
    top: 32px;
    left: 33px;
    font-size: 28px;
    text-align: center;
    color: #FFFFFF;
    font-weight: 500;
}
.timeline-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.timeline-row {
    display: flex;
    
    justify-content: space-between;

}
.timeline-item {
    position: relative;
    min-height: 360px;
    width: 550px;
}
.timeline-item:nth-child(n+2) {
    transform: translateY(-220px);
}
.timeline-bg {
    width: 1200px;
    height: 435px;
    position: absolute;
    left: 0;
    top: 135px;
    
}
/* 内容框 */
.timeline-content {
    position: absolute;
    width: 380px;
    border-radius: 8px;
    padding: 20px;
    top: 100px;
    left: 105px ;
}

.timeline-date {
    display: inline-block;
    padding: 8px 12px;
    background: #F5F6F7;
    border-radius: 100px;
    box-sizing: border-box;
    align-items: center;
    font-size: 16px;
    color: #86909C;
    margin-bottom: 16px;
}

.timeline-text {
    font-size: 16px;
    width: 400px;
    color: #4E5969;
    line-height: 1.8;
}
.box-style-two .timeline-title-box .timeline-title-line {
    top: 0;
    background: linear-gradient( 0, #416DF8 0%, rgba(65,109,248,0) 100%);
}
.box-style-two .timeline-title-box .timeline-title-text {
    top: 426px;
}
.box-style-two .timeline-title-box .timeline-title-icon {
    position: absolute;
    top:398px;
}
.box-style-two .timeline-content{
    top: 30px;
}

.timeline-item-two {
    margin-top: 110px;
}

/* 运营中心样式 */
.operation-section {
    width: 1200px;
    margin: 60px auto 0;
}

.operation-container {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.operation-item {
    position: relative;
    width: 584px;
    height: 479px;
    background: #FFFFFF;
    box-shadow: 0px 4px 8px 0px rgba(0,0,0,0.06);
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
}

.office-box {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.office-box img {
    width: 584px;
    height: 320px;
    object-fit: cover;
}

.office-info {
    padding: 12px 30px;
}

.office-info h3 {
    font-size: 26px;
    color: #333333;
    margin-bottom: 12px;
    font-weight: 500;
}

.office-info p {
    font-size: 18px;
    color: #666666;
    line-height: 1.6;
}

.qrcode-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.operation-item:hover .office-box {
    opacity: 0;
}

.operation-item:hover .qrcode-hover {
    opacity: 1;
    pointer-events: auto;
}

.qrcode-box {
    width: 584px;
    height: 320px;
    background: #f6f6f6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-box img {
    width: 320px;
    height: 320px;
}

.contact-info {
    padding: 24px 40px;
}

.contact-row {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-row:last-child {
    margin-bottom: 0;
}

.contact-row img {
    width: 30px;
    height: 30px;
    margin-right: 16px;
}

.contact-row span {
    font-size: 20px;
    color: #666666;
    font-weight: 400;
}