:root{--ink:#243440;--muted:#71808a;--cream:#fff9f3;--paper:#fffdf9;--pink:#ef7d78;--blush:#ffe0db;--yellow:#f3cb71;--line:#eaded3;--shadow:0 18px 45px #b98c7640}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% 5%,#fff0cd 0 10%,transparent 31%),var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.shell{width:min(100%,710px);min-height:100vh;margin:auto;background:var(--paper);box-shadow:var(--shadow);padding:28px 28px 100px}.hidden{display:none!important}.wordmark{font-family:cursive;font-size:26px;font-weight:800;color:var(--ink);text-decoration:none}.wordmark i{color:var(--pink);font-style:normal}.topbar{display:flex;justify-content:space-between;align-items:center}.avatar,.close{border:0;background:transparent;color:var(--ink);font-size:30px;cursor:pointer}.eyebrow{color:var(--pink);font-size:14px;letter-spacing:.08em;margin:45px 0 12px}.welcome h1,.page-heading 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