:root{--blue:#167bea;--ink:#194e82;--muted:#7189a3;--line:#dfedf6;--pale:#f0faff;--green:#24a981;--orange:#d78923}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#e7f3fa}button,input,select{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.7}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #79c8fa;outline-offset:3px}.shell{max-width:720px;margin:auto;min-height:100dvh;background:linear-gradient(#e4f6ff,#f5fbff);padding-bottom:calc(85px + env(safe-area-inset-bottom));overflow:hidden}.ocean{height:210px;position:relative;background:linear-gradient(160deg,#e2f7ff 15%,#bfebfc 60%,#7cdaef);overflow:hidden;padding:32px 26px}.logo{font-size:36px;font-weight:950;letter-spacing:-1px;color:#1666c5}.logo span{color:#198fee}.ocean p{font-size:13px;letter-spacing:2px;color:#6b89a8;font-weight:700;margin:9px 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