.release-welcome{padding:0;border:1px solid #61cbde;border-radius:24px;width:min(920px,calc(100vw - 28px));max-height:calc(100dvh - 28px);overflow:auto;background:#f5fbfd;color:#12394a;box-shadow:0 35px 120px #001a3c66}.release-welcome::backdrop{background:#031924ce;backdrop-filter:blur(6px)}.welcome-close{position:absolute;z-index:2;right:14px;top:12px;width:44px;height:44px;border:1px solid #c8f4ff88;border-radius:50%;background:#062c43bb;color:white;font:28px/1 system-ui;cursor:pointer}.welcome-art{position:relative;background:#063752;overflow:hidden}.welcome-art svg{display:block;width:100%;max-height:260px}.welcome-edition{position:absolute;left:30px;top:22px;font:700 12px system-ui;letter-spacing:.2em;color:#bdf7ff}.welcome-art-caption{position:absolute;left:30px;bottom:17px;color:#c5f2fc;font:13px system-ui}.welcome-content{padding:30px 40px 24px}.welcome-kicker{font:750 11px system-ui;letter-spacing:.17em;color:#087e9d;margin:0 0 12px}.welcome-content h1{font:800 clamp(32px,5vw,48px)/1.06 system-ui;letter-spacing:-.045em;margin:0 0 14px;color:#103849}.welcome-content>p:not(.welcome-kicker):not(.welcome-footnote){font:16px/1.5 system-ui;color:#42616e}.welcome-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:25px 0}.welcome-features>div{border-top:2px solid #a7dfe9;padding-top:13px}.welcome-features span{display:block;font:700 11px system-ui;color:#088ca8;margin-bottom:7px}.welcome-features strong{font:700 15px system-ui}.welcome-features p{font:13px/1.5 system-ui;color:#4c6873;margin:6px 0}.welcome-start{width:100%;border:0;border-radius:12px;background:#083e54;color:#fff;padding:15px 22px;font:700 16px system-ui;cursor:pointer;min-height:48px}.welcome-start span{margin-left:12px;color:#6be4ef}.welcome-start:hover{background:#075c73}.welcome-footnote{text-align:center;font:12px system-ui;color:#617b85;margin:13px 0 0}.release-welcome button:focus-visible{outline:3px solid #14c9e0;outline-offset:3px}.gutter-flow{stroke-dasharray:65 18;animation:gutterFlow 3s linear infinite}.rain{animation:gentleRain 2.4s ease-in-out infinite}.splash{transform-origin:596px 320px;animation:splashFlow 2.4s ease-in-out infinite}@keyframes gutterFlow{to{stroke-dashoffset:-166}}@keyframes gentleRain{50%{transform:translate(-5px,14px);opacity:.4}}@keyframes splashFlow{50%{transform:scale(1.08,.85);opacity:.6}}@media(prefers-reduced-motion:reduce){.gutter-flow,.rain,.splash{animation:none}}@media(max-width:600px){.release-welcome{border-radius:18px}.welcome-art svg{height:170px;object-fit:cover}.welcome-edition{left:18px;top:17px;font-size:10px}.welcome-art-caption{left:18px;bottom:12px;font-size:10px}.welcome-content{padding:24px}.welcome-features{gap:12px;margin:20px 0}.welcome-features strong{font-size:12px}.welcome-features p{font-size:11px}.welcome-close{width:40px;height:40px}.welcome-content h1{font-size:35px}}