:root{--ink: #b03a2e;--ink-deep: #8f2d23;--paper: #f4ecd9;--text: #241d15;--muted: #8a7f6d;--line: #e4dbc6;--card: #fffdf7;--radius: 14px;--content: 1080px;--serif: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;--sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--sans);color:var(--text);background:radial-gradient(1200px 500px at 50% -200px,#fbf6ea 0%,var(--paper) 60%);line-height:1.65}a{color:var(--ink);text-decoration:none}a:hover{text-decoration:underline}.hidden-export{position:absolute;left:-99999px;top:0}.top{max-width:var(--content);margin:0 auto;padding:18px 20px;display:flex;justify-content:space-between;align-items:center}.brand{font-weight:700;font-size:20px;display:flex;align-items:center;gap:10px}.brand-seal{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--ink);color:#fff;border-radius:6px;font-family:var(--serif);font-size:20px}.nav{display:flex;gap:22px;font-size:15px}main{max-width:var(--content);margin:0 auto;padding:0 20px 80px}.hero{text-align:center;padding:48px 0 28px}.hero h1{font-family:var(--serif);font-size:clamp(30px,5vw,46px);line-height:1.25;margin:0 0 14px;font-weight:700}.hero h1 em{color:var(--ink);font-style:normal}.hero .sub{color:var(--muted);max-width:640px;margin:0 auto;font-size:17px}.generator{display:grid;grid-template-columns:360px 1fr;gap:28px;align-items:start;margin:28px 0 56px}.controls{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:18px;position:sticky;top:16px}.field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}.field input{font-size:17px;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--text);outline:none}.field input:focus{border-color:var(--ink)}.opt-group{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted)}.seg{display:flex;gap:8px;flex-wrap:wrap}.seg button{flex:1 1 auto;padding:8px 10px;font-size:13px;border:1.5px solid var(--line);background:#fff;border-radius:9px;cursor:pointer;color:var(--text)}.seg button.active{border-color:var(--ink);background:#fbeae7;color:var(--ink-deep);font-weight:600}.demo-chips{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}.demo-chips button{border:1px dashed var(--line);background:none;border-radius:999px;padding:3px 12px;cursor:pointer;color:var(--ink);font-size:13px}.demo-chips button:hover{background:#fbeae7}.btn-row{display:flex;gap:8px}.btn-row button{flex:1;padding:11px 10px;border-radius:10px;font-size:14px;cursor:pointer;border:none}.primary{background:var(--ink);color:#fff;font-weight:600}.primary:hover{background:var(--ink-deep)}.ghost{background:#fff;border:1.5px solid var(--line)!important;color:var(--text)}.ghost:hover{border-color:var(--ink)!important;color:var(--ink)}input[type=range]{accent-color:var(--ink);width:100%}.stage{position:relative}#preview{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 24px 60px -18px #5a3c1e59;border:1px solid var(--line);background:var(--paper);display:block}.meaning-section{margin:48px 0}.meaning-section h2,.how h2,.faq h2{font-family:var(--serif);font-size:26px;margin:0 0 18px}#meaning{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.meaning-name{font-family:var(--serif);font-size:34px;color:var(--ink);margin-bottom:4px}.meaning-line{color:var(--muted);margin-bottom:16px;font-size:14px}.char-item{display:flex;gap:14px;padding:12px 0;border-top:1px dashed var(--line);align-items:baseline}.char-hanzi{font-family:var(--serif);font-size:30px;color:var(--ink-deep);min-width:40px}.char-meaning{flex:1;font-size:15px}.seal-note{margin-top:16px;padding:12px 16px;background:#fbeae7;border-radius:10px;font-size:14px;color:var(--ink-deep)}.muted{color:var(--muted)}.how{margin:56px 0}.how p,.faq p{max-width:760px}.faq details{border-bottom:1px solid var(--line);padding:14px 2px}.faq summary{cursor:pointer;font-weight:600}.faq summary::marker{color:var(--ink)}footer{border-top:1px solid var(--line);padding:28px 20px 40px;text-align:center;color:var(--muted);font-size:13px}@media(max-width:900px){.generator{grid-template-columns:1fr}.controls{position:static}.nav{display:none}}