*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Microsoft YaHei,PingFang SC,Hiragino Sans GB,sans-serif;color:#333;background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;vertical-align:middle}.container{width:min(1140px,92vw);margin-left:auto;margin-right:auto}.section{padding:48px 0}.section-title{text-align:center;font-size:clamp(1.5rem,3vw,1.85rem);font-weight:700;color:#222;margin:0 0 12px}.section-title--left{text-align:left}.title-line{width:48px;height:3px;background:#6bbd45;margin:0 auto 28px;border:none}.title-line--left{margin-left:0;margin-right:0}.milestone-card{display:flex;flex-wrap:wrap;background:#fff;border-radius:12px;box-shadow:0 8px 32px #00000014;overflow:hidden;max-width:1000px;margin:0 auto}.milestone-item{flex:1;min-width:200px;padding:36px 20px;text-align:center;border-right:1px solid #eee}.milestone-item:last-child{border-right:none}.milestone-num{font-size:2.25rem;font-weight:800;color:#222;margin:0 0 8px}.milestone-num sup{font-size:.55em;font-weight:600;color:#666}.milestone-label{font-size:14px;color:#666;margin:0}@media (max-width: 768px){.milestone-card{flex-wrap:wrap}.milestone-item{min-width:50%;border-right:1px solid #eee;border-bottom:1px solid #eee}.milestone-item:nth-child(2n){border-right:none}.milestone-item:nth-child(3),.milestone-item:nth-child(4){border-bottom:none}}