#about { background:#fff; padding:60px 0; }
#about .section-title {
    font-size:36px;
    font-weight:600;
    color:#333;
    margin-bottom:8px;
    text-align: center;
}
#about .section-subtitle {
    font-size:16px;
    color:#666;
    margin-bottom:40px;
    text-align: center;
}
.about-content {
    display:flex;
    gap:40px;
    align-items:stretch; /* 关键：自动等高 */
    margin-bottom:50px;
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
    box-sizing: border-box;
}
.about-text {
    flex:1;
    min-width:400px;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
}
.about-text h3 {
    font-size:24px;
    color:#333;
    margin-bottom:20px;
    font-weight:500;
}
.about-text .content-box {
    font-size:15px;
    color:#333;
    line-height:1.8;
    flex-grow:1; /* 关键：自动撑满高度 */
    padding:0; /* 去掉内边距 */
    border:none; /* 去掉灰色框 */
    border-radius:4px;
}
.about-text .btn-more {
    display:inline-block;
    padding:10px 30px;
    background:#00CCCC;
    color:#fff;
    text-decoration:none;
    border-radius:25px;
    font-size:16px;
    cursor:pointer;
    align-self:flex-start;
    margin-top:20px; /* 按钮上方间距 */
}
.about-image {
    flex:1;
    min-width:400px;
    height:380px;
    overflow:hidden;
    border: none; /* 去掉灰色框 */
    box-sizing: border-box;
}
.about-image img {
    width:100%;
    height:100%;
    object-fit:cover;
}
.about-image-placeholder { 
    width:100%; 
    height:100%; 
    background:#e0e0e0; 
    display:flex; 
    align-items:center; 
    justify-content:center; 
    color:#999; 
}
.about-stats {
    display:flex;
    justify-content:space-around;
    text-align:center;
    margin-top:40px;
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
    box-sizing: border-box;
}
.stat-item .num {
    font-size:42px;
    color:#00CCCC;
    font-weight:bold;
    margin-bottom:8px;
}
.stat-item .label {
    font-size:16px;
    color:#333;
}