/* 强制整屏铺满，覆盖系统默认留白 */
.txc-about-full{
    width:100vw !important;
    margin-left:calc(-50vw + 50%) !important;
    background:#1e1e1e; /*80%黑，比之前提亮，高级深炭灰*/
    padding:60px 0;
}
.txc-inner-content{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
    color:#ffffff;
    font-family:Arial,sans-serif;
    line-height:1.8;
}
.txc-banner{
    width:100%;
    height:380px;
    border-radius:10px;
    overflow:hidden;
    margin-bottom:40px;
}
.txc-banner img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.txc-title{
    font-size:34px;
    text-align:center;
    margin-bottom:15px;
}
.txc-subtitle{
    text-align:center;
    color:#cccccc;
    margin-bottom:45px;
}
.txc-content-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
    margin-bottom:50px;
}
.txc-text h3{
    font-size:24px;
    margin-bottom:20px;
}
.txc-text p{
    color:#e6e6e6;
    margin-bottom:15px;
}
.txc-pic{
    border-radius:10px;
    overflow:hidden;
}
.txc-pic img{
    width:100%;
    display:block;
}
.txc-advantage-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}
.txc-card{
    background:#2c2c2c;
    padding:28px;
    border-radius:8px;
    text-align:center;
    transition:0.3s;
}
.txc-card:hover{
    background:#0099ff;
}
.txc-card p{
    color:#bbbbbb;
}
.txc-card:hover p{
    color:#fff;
}
@media(max-width:768px){
.txc-content-row{grid-template-columns:1fr}
.txc-advantage-grid{grid-template-columns:1fr}
.txc-banner{height:220px}
}