.shell{width:min(1240px,calc(100% - 48px))}.intro{padding-bottom:65px}.challenge-rivers{position:relative;width:100vw;left:50%;transform:translateX(-50%);overflow:hidden;padding:0 0 85px}.challenge-hint{max-width:720px;margin:24px auto 35px;padding:0 24px;text-align:center;color:#c6bac2;font-size:17px}.challenge-card{flex:none;position:relative;display:flex;flex-direction:column;width:430px;height:340px;padding:25px;border:1px solid #ffffff30;border-radius:26px;background:linear-gradient(135deg,var(--card-start),var(--card-end));color:#fff;text-align:left;overflow:hidden;box-shadow:inset 0 0 60px #0002;font:inherit;cursor:pointer;transition:filter .2s,border-color .2s}.challenge-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;font-weight:800;letter-spacing:.06em}.challenge-points{background:#0003;border-radius:20px;padding:7px 12px;white-space:nowrap}.challenge-title{font-size:25px;line-height:1.12;letter-spacing:-.035em;margin:15px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.challenge-objective{font-size:13px;line-height:1.4;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.challenge-tasks{display:flex;flex-direction:column;gap:4px;font-size:12px;line-height:1.4;margin:12px 0;color:#fff}.challenge-tasks>span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.challenge-reward{display:block;margin-top:auto;margin-bottom:9px;padding:10px 12px;background:#0003;border-radius:12px;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.challenge-more{font-size:12px;font-weight:700;align-self:flex-end;text-decoration:underline;text-underline-offset:3px}.challenge-card:hover{filter:brightness(1.12);border-color:#fff}.challenge-card:focus-visible{outline:3px solid white;outline-offset:-5px}.challenge-rivers:hover .river-track{animation-play-state:paused}.single-challenge .river-track{animation:none;transform:none}.single-challenge .river-group[aria-hidden]{display:none}.single-challenge .river-group{padding-inline:24px}.challenge-dialog p,.challenge-dialog li{font-size:16px;line-height:1.5}.challenge-dialog .app-explanation{padding-top:18px;color:#cbbbc5}.challenge-dialog .reward{color:#fff}.challenge-dialog h2{font-size:32px}.challenge-dialog .event-tasks{padding-left:20px}.river-viewport:has(:focus-visible) .river-group>[aria-hidden]{display:none}.page-note{margin-top:0}@media(max-width:734px){.shell{width:calc(100% - 32px)}.challenge-card{width:310px;height:330px;padding:21px;border-radius:24px}.challenge-title{font-size:23px}.challenge-top{font-size:10px}.challenge-hint{font-size:15px}.challenge-rivers{padding-bottom:55px}.challenge-dialog h2{font-size:27px}}@media(prefers-reduced-motion:reduce){.river-group>[aria-hidden]{display:none}.challenge-card{transition:none}}