.about-joinu-header h1 {
    font-size: 3.75rem;
}

.about-joinu {
    position: relative;
    /* background: url(../image/index_about_bg_image.webp) center top no-repeat;
    width: 100%;
    background-size: cover; */
}

.about-joinu::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../image/index_about_bg_image.webp) center top no-repeat;
    background-size: cover;
    z-index: -1;
    /* 确保内容在遮罩上方 */
}

.about-joinu .lead,
.about-joinu .co-values {
    font-size: 1.125rem;
    line-height: 2.375rem;
}

@media (max-width: 1200px) {
    .about-joinu::before {

        opacity: 0.5;
        /* 透明度 0-1 */
    }
}

.data-dashboard .line {
    width: 50px;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.12);
}

.data-dashboard .num {
    color: #006dc3;
    font-size: 3.125rem;
}

.data-dashboard .num span {
    font-size: 1.25rem;
}

.data-dashboard .feature-card {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.data-dashboard .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.data-dashboard .feature-card .card-title {
    color: #666666;
}


/* 企业文化 */
.co-cutures {
    position: relative;
    /* height: 927px; */
    background: url(../image/co-cutures.webp) center no-repeat;
    background-size: cover;
}

.co-cutures .title h1 {
    font-size: 1.25rem;
    margin-bottom: 0 !important;
    margin-left: 0.5rem;
}

.co-cutures .content-1 {
    padding: 20px;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.3);
}

.customer-market-development .feature-card {
    background-color: #FFF6EE;
    border-radius: 10px;
    height: 240px;
}
@media (max-width: 1200px) {
    .customer-market-development .feature-card {
        height:auto;
    }
}
.customer-market-development {
    /* position: absolute; */
    top: 760px;
    left: 0;
    right: 0;
    z-index: 2;
    padding-bottom: 100px;
    height: auto;
}

@media (max-width: 1200px) {
    .customer-market-development {
        height: auto;
    }
}





/* ...existing code... */
.timeline-section {
    position: relative;
    background-color: #f6f6f6;
    margin-top: 300px;
    padding: 100px 0;
}

@media (max-width: 1200px) {
    .timeline-section {
        margin-top: 800px;
   
    }
}

.timeline-bar {
    height: 40px;
    position: relative;
}

.timeline-bar-bg {
    position: absolute;
    left: 0;
    right: 0;
    top: 20px;
    height: 4px;
    background: none;
    border-bottom: 1px solid #d1d5e9;
    z-index: 1;
}

.timeline-bar-bg::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    /* border-bottom: 2px dashed #bfc3e6; */
}

.timeline-bar-dot {
    position: absolute;
    width: 12px;
    height: 24px;
    background: none;
    left: 0;
    top: 0;
    z-index: 2;
}

.timeline-bar-dot::before {
    content: '';
    display: block;
    width: 8px;
    height: 24px;
    background: #ff8800;
}

.timeline-bar-dot.year-2013 {
    left: 0%;
}

.timeline-bar-dot.year-2020 {
    left: 34%;
}

.timeline-bar-dot.year-2024 {
    left: 68%;
}

.timeline-circles {
    position: absolute;
    top: -80px;
    right: -120px;
    z-index: 0;
    pointer-events: none;
}

.timeline-circles::before,
.timeline-circles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: #ff880033;
}

.timeline-circles::before {
    width: 220px;
    height: 220px;
    right: 0;
    top: 0;
}

.timeline-circles::after {
    width: 140px;
    height: 140px;
    right: 60px;
    top: 80px;
    background: #ff880055;
}

.timeline-img {
    object-fit: cover;
    box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.06);
}

/* ...existing code... */