:root{font-family:system-ui,Microsoft JhengHei,sans-serif}body{margin:0;background:#f5f5f5;color:#1a1a1a}.app{max-width:640px;margin:0 auto;padding:24px}.card-box{background:#fff;border-radius:16px;padding:18px 24px;text-align:center;box-shadow:0 2px 10px #00000014;margin:12px 0}.chinese{font-size:2rem;font-weight:700}.english{font-size:2.4rem;font-weight:700;color:#1558d6;margin-top:16px}.pattern{font-size:1.2rem;color:#666;margin-top:8px}button{font-size:1.3rem;padding:16px 20px;border:none;border-radius:12px;margin:8px;cursor:pointer;min-width:120px}.btn-good{background:#2e7d32;color:#fff}.btn-again{background:#ef6c00;color:#fff}.btn-dismiss{background:#eee;color:#555}.btn-speak{background:#0b8043;color:#fff;margin-top:12px}.btn-speak-sm{background:#0b8043;color:#fff;font-size:.95rem;padding:4px 10px;min-width:0;margin-left:8px}.example{margin-top:20px;padding-top:12px;border-top:1px solid #eee;text-align:left}.example-title{font-size:1rem;color:#999;margin-bottom:8px}.example-item{margin-bottom:14px}.example-en{font-size:1.5rem;color:#333;line-height:1.4}.example-zh{font-size:1.2rem;color:#777;margin-top:4px}.btn-primary{background:#1558d6;color:#fff;width:100%}input{font-size:1.3rem;padding:14px;width:100%;box-sizing:border-box;margin:8px 0;border:1px solid #ccc;border-radius:10px}.error{color:#c62828;font-size:1.1rem}.word{cursor:pointer;border-bottom:1px dashed #b0c4f5}.word:active{background:#dbe6ff}.collect-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:50}.collect-menu{background:#fff;border-radius:14px;padding:20px;width:80%;max-width:320px;text-align:center}.collect-menu button{display:block;width:100%;margin:8px 0}.collect-word{font-size:1.6rem;font-weight:700;margin-bottom:6px}.collect-trans{font-size:1.5rem;color:#1558d6;margin-bottom:14px;min-height:1.5rem}.vocab-trans{font-size:1.1rem;color:#1558d6;font-weight:400}.toast{position:fixed;bottom:40px;left:50%;transform:translate(-50%);background:#000c;color:#fff;padding:10px 18px;border-radius:20px;z-index:60}.tabs{display:flex;gap:8px;margin:4px 0}.tab{flex:1;background:#eee;color:#555;margin:0;padding-top:8px;padding-bottom:8px}.tab.active{background:#1558d6;color:#fff}.vocab-item{text-align:left;padding:12px 20px;margin:8px 0}.vocab-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.vocab-word{font-size:1.4rem;font-weight:700}.vocab-actions button{margin-left:6px}.ja-reading{font-size:1.8rem;color:#1558d6;margin-top:8px}.ja-romaji{font-size:1.3rem;color:#777;letter-spacing:1px}.langtabs{display:flex;gap:8px;margin:8px 0 0}.langtab{flex:1;background:#eee;color:#555;font-weight:700;margin:0;padding-top:8px;padding-bottom:8px}.langtab.active{background:#0b8043;color:#fff}.link-btn{background:none;border:none;color:#1558d6;text-decoration:underline;font-size:1rem;padding:6px;cursor:pointer}.version{text-align:center;color:#aaa;font-size:.85rem;margin:18px 0 8px;letter-spacing:.5px}