*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#222;background:#fafaf7;line-height:1.8;max-width:680px;margin:0 auto;padding:16px 18px 64px;overflow-wrap:anywhere;word-break:break-word;-webkit-font-smoothing:antialiased}
.breadcrumb{font-size:14px;color:#888;margin-bottom:16px}
.breadcrumb a{color:#8a5a2b;text-decoration:none}
article h1{font-size:28px;line-height:1.4;margin:10px 0 8px;color:#3a2a1a;font-weight:800;letter-spacing:.5px}
article h2{font-size:21px;line-height:1.4;margin:26px 0 12px;border-left:4px solid #8a5a2b;padding-left:12px;color:#3a2a1a;font-weight:700}
article h3{font-size:18px;line-height:1.45;margin:14px 0 6px;color:#3a2a1a;font-weight:700}
p{font-size:16px;margin:10px 0;color:#333;line-height:1.85}
.intro{font-size:16px;color:#444;background:#fff;border:1px solid #ece7df;border-radius:12px;padding:14px 16px;margin:16px 0}
.char-hero{display:flex;align-items:center;gap:18px;background:linear-gradient(135deg,#fbf6ec,#f3e9d4);border:1px solid #e0d4bc;border-radius:16px;padding:20px;margin:16px 0}
.char-glyph-big{flex:0 0 96px;width:96px;height:96px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:radial-gradient(circle,#fff,#f0e3c8);border:2px solid #c9a96a;box-shadow:0 0 0 4px #fbf6ec,0 0 0 5px #d4c4a0,0 8px 20px -8px rgba(138,90,43,.45);position:relative;font-size:52px;font-family:serif;color:#5b3a1a;font-weight:700;line-height:1}
.char-info{flex:1;min-width:0}
.char-info .c-name{font-size:22px;font-weight:800;color:#5b3a1a;margin-bottom:4px}
.char-info .c-meta{font-size:14px;color:#8a7350;line-height:1.7}
.reading{background:#fff;border:1px solid #ece7df;border-radius:12px;padding:14px 16px;margin:12px 0}
.reading .r-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.reading .r-py{font-size:18px;font-weight:700;color:#8a5a2b}
.reading .r-ctx{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:700;background:#f5efe2;color:#8a6a45}
.reading .r-ex{font-size:15px;color:#555;margin-top:6px}
.reading .r-ex span{display:inline-block;margin-right:10px;color:#5b3a1a}
.mnemonic{background:linear-gradient(135deg,#fbf6ec,#f3e9d4);border:1px solid #e0d4bc;border-radius:12px;padding:14px 16px;margin:12px 0;font-size:16px;color:#5b3a1a;line-height:1.8}
.char-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0}
.char-cell{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;background:#fff;border:1px solid #ece7df;border-radius:10px;text-decoration:none;color:#3a2a1a}
.char-cell .cc-glyph{font-size:26px;font-family:serif;color:#5b3a1a;font-weight:700;line-height:1}
.char-cell .cc-py{font-size:12px;color:#8a7350}
.char-cell:hover{border-color:#c9a96a;background:#fbf6ec}
nav.links{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px}
nav.links a{display:inline-block;padding:6px 14px;font-size:15px;color:#8a5a2b;background:#fff;border:1px solid #e6dfd2;border-radius:999px;text-decoration:none}
.faq{list-style:none}
.faq li{background:#fff;border:1px solid #ece7df;border-radius:12px;padding:14px 16px;margin-bottom:10px}
.faq h3{font-size:16px;margin-bottom:4px;color:#3a2a1a}
.faq p{font-size:15px;color:#555;margin:0}
@media(max-width:640px){article h1{font-size:24px}article h2{font-size:19px}p{font-size:15px}.char-hero{flex-direction:column;text-align:center;gap:14px}.char-grid{grid-template-columns:repeat(4,1fr)}}
/* 语音朗读 */
.tts-bar{display:flex;align-items:center;gap:12px;background:#fbf6ec;border:1px solid #e0d4bc;border-radius:12px;padding:12px 14px;margin:16px 0}
.tts-btn{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;padding:10px 18px;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,#9a2b2b,#7a1f1f);border:none;border-radius:999px;cursor:pointer;letter-spacing:1px}
.tts-btn:hover{filter:brightness(1.08)}
.tts-btn .tts-icon{font-size:18px;line-height:1}
.tts-status{font-size:14px;color:#8a7350;min-width:80px}
/* 笔画拆解 */
.stroke-stage{background:#fff;border:1px solid #e0d4bc;border-radius:14px;padding:18px;margin:16px 0}
.stroke-canvas{width:100%;height:280px;background:#fbf6ec;border:1px dashed #d9c79a;border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.stroke-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.stroke-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,#8a5a2b,#6a3f1a);border:none;border-radius:999px;cursor:pointer}
.stroke-btn.alt{background:linear-gradient(135deg,#9a2b2b,#7a1f1f)}
.stroke-btn.ghost{background:#fff;color:#8a5a2b;border:1px solid #d9c79a}
.stroke-progress{font-size:14px;color:#8a7350;align-self:center;margin-left:auto}
.stroke-tips{font-size:14px;color:#8a7350;margin-top:12px;line-height:1.8}