.UnderlineKey-module__ZSl8HW__card{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-card);border-radius:6px;margin-top:48px;padding:38px 40px 34px}.UnderlineKey-module__ZSl8HW__head{margin-bottom:24px}.UnderlineKey-module__ZSl8HW__cardTitle{font-family:var(--font-display);letter-spacing:-.005em;color:var(--ink);margin:0;font-size:1.625rem;font-weight:450}.UnderlineKey-module__ZSl8HW__cardLede{max-width:68ch;color:var(--muted);margin:8px 0 0;font-size:.9375rem;line-height:1.5}.UnderlineKey-module__ZSl8HW__legend{border-top:1.5px solid var(--rule);border-bottom:1px solid var(--line);padding:16px 0}.UnderlineKey-module__ZSl8HW__legendTitle{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--pen-deep);margin-bottom:12px;font-size:.6563rem;font-weight:500;display:block}.UnderlineKey-module__ZSl8HW__legendList{gap:10px;margin:0;padding:0;list-style:none;display:grid}.UnderlineKey-module__ZSl8HW__legendList li{color:var(--muted);align-items:baseline;gap:14px;font-size:.875rem;display:flex}.UnderlineKey-module__ZSl8HW__legendText strong{color:var(--ink);font-weight:600}.UnderlineKey-module__ZSl8HW__sample{text-align:center;width:44px;font-family:var(--font-mono);color:var(--ink);flex-shrink:0;font-size:.8125rem}.UnderlineKey-module__ZSl8HW__sample_single{text-decoration:underline;-webkit-text-decoration-color:var(--ao3);text-decoration-color:var(--ao3);text-underline-offset:3px;text-decoration-thickness:1.5px}.UnderlineKey-module__ZSl8HW__sample_double{-webkit-text-decoration:underline double;text-decoration:underline double;-webkit-text-decoration-color:var(--ao4);text-decoration-color:var(--ao4);text-underline-offset:3px}.UnderlineKey-module__ZSl8HW__sample_arrow{text-decoration:none}.UnderlineKey-module__ZSl8HW__sample_arrow:after{content:" ↷";color:var(--muted)}.UnderlineKey-module__ZSl8HW__demo{margin:28px 0 0}.UnderlineKey-module__ZSl8HW__demoLabel{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-size:.6563rem;font-weight:500}.UnderlineKey-module__ZSl8HW__demoSentence{font-family:var(--font-display);color:var(--ink);max-width:66ch;margin:0;font-size:1.375rem;line-height:2}.UnderlineKey-module__ZSl8HW__ao3{text-decoration:underline;-webkit-text-decoration-color:var(--ao3);text-decoration-color:var(--ao3);text-underline-offset:5px;text-decoration-thickness:1.5px}.UnderlineKey-module__ZSl8HW__ao4{-webkit-text-decoration:underline double;text-decoration:underline double;-webkit-text-decoration-color:var(--ao4);text-decoration-color:var(--ao4);text-underline-offset:5px}.UnderlineKey-module__ZSl8HW__demoGloss{color:var(--muted);max-width:74ch;margin:14px 0 0;font-size:.875rem;line-height:1.55}.UnderlineKey-module__ZSl8HW__protocol{border-top:1px solid var(--line);margin-top:30px;padding-top:18px}.UnderlineKey-module__ZSl8HW__protocolLabel{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--field-deep);margin-bottom:10px;font-size:.6563rem;font-weight:500;display:block}.UnderlineKey-module__ZSl8HW__protocolList{color:var(--ink);gap:8px;max-width:74ch;margin:0;padding-left:20px;font-size:.9375rem;line-height:1.55;display:grid}.UnderlineKey-module__ZSl8HW__rules{border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.UnderlineKey-module__ZSl8HW__rulesLabel{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-size:.6563rem;font-weight:500;display:block}.UnderlineKey-module__ZSl8HW__rulesList{color:var(--muted);gap:8px;max-width:76ch;margin:0;padding-left:18px;font-size:.8438rem;line-height:1.55;display:grid}@media (max-width:720px){.UnderlineKey-module__ZSl8HW__card{padding:24px 20px}.UnderlineKey-module__ZSl8HW__demoSentence{font-size:1.1875rem}}