.main{background:#fff;padding:56px 64px 96px;color:#333;height:calc(100vh - 64px - 48px - 179px);box-sizing:border-box;min-height:668px}.main h1{text-align:center;font-size:28px;line-height:42px}.main a{color:#f97e57}.main a:hover{color:#331867}.main .h1-desc{font-size:16px;text-align:center;margin:16px auto 56px}.main .downStep-list{display:flex;justify-content:space-between;max-width:1152px;margin:auto}.main .downStep-list li{width:320px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25);border-radius:8px;display:flex;flex-direction:column}.main .downStep-list li:nth-child(2){margin:0 20px}.main .downStep-top{padding:16px;flex:1;box-sizing:border-box}.main .downStep-serial{font-size:16px}.main .downStep-title{font-size:32px;font-weight:700;margin-bottom:8px}.main .downStep-desc{font-size:14px;line-height:22px}.main .downStep-bottom{background:#f54748;height:166px;border-radius:0 0 8px 8px;text-align:center;box-sizing:border-box;padding-top:18px}.main[data-type=android]{min-height:829px}.main[data-type=android] .downStep-center{height:145px;border-radius:0;padding-top:16px}.main[data-type=android] .downStep-bottom2{padding:16px 16px 29px}.main[data-type=android] .downStep-safe{text-align:center}.main[data-type=android] .downStep-safe img{display:inline-block;margin:20px 9px 0}.main[data-type=android] .downStep-bottom3{padding-top:12px;height:251px}@media screen and (max-width:909px){.main{padding:28px 28px 48px;height:auto}.main h1{font-size:24px;line-height:30px}.main .h1-desc{font-size:14px;margin:12px auto 28px}.main .downStep-list{flex-wrap:wrap;justify-content:center}.main .downStep-list li{margin:0 0 32px!important;width:100%}.main .downStep-title{font-size:24px}}