:root{--primary: #2e7d32;--primary-light: #60ad5e;--primary-dark: #005005;--danger: #c62828;--danger-light: #ff5f52;--warm: #ef6c00;--bg: #fafaf5;--card: #ffffff;--text: #1a1a1a;--text-secondary: #555;--border: #ddd;--radius: 12px;--shadow: 0 2px 8px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:20px}body{font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}h1{font-size:1.6rem}h2{font-size:1.3rem}h3{font-size:1.1rem}a{color:var(--primary);text-decoration:none}button{font-size:1rem;padding:.6rem 1.2rem;border:none;border-radius:var(--radius);cursor:pointer;font-weight:600;transition:opacity .2s}button:active{opacity:.7}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-warm{background:var(--warm);color:#fff}.btn-block{width:100%;display:block}.btn-lg{padding:.8rem 1.6rem;font-size:1.15rem}input,textarea,select{font-size:1rem;padding:.6rem .8rem;border:2px solid var(--border);border-radius:var(--radius);width:100%;font-family:inherit;transition:border-color .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}textarea{resize:vertical;min-height:80px}.card{background:var(--card);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow);margin-bottom:.8rem}.container{max-width:600px;margin:0 auto;padding:0 1rem}.page-title{padding:1rem 0;display:flex;align-items:center;gap:.5rem}.page-title .icon{font-size:1.4rem}.form-group{margin-bottom:.8rem}.form-group label{display:block;font-weight:600;margin-bottom:.3rem;color:var(--text-secondary)}.list-item{display:flex;justify-content:space-between;align-items:center;padding:.8rem;border-bottom:1px solid #eee}.list-item:last-child{border-bottom:none}.list-item-content{flex:1}.list-item-actions{display:flex;gap:.5rem}.list-item-actions button{padding:.3rem .6rem;font-size:.85rem}.empty{text-align:center;padding:2rem;color:var(--text-secondary)}.error-msg{background:#fce4ec;color:var(--danger);padding:.6rem;border-radius:var(--radius);margin-bottom:.8rem}.success-msg{background:#e8f5e9;color:var(--primary-dark);padding:.6rem;border-radius:var(--radius);margin-bottom:.8rem}.nav-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #eee;display:flex;justify-content:space-around;padding:.4rem 0;z-index:100;box-shadow:0 -2px 8px #0000000f}.nav-item{display:flex;flex-direction:column;align-items:center;gap:.15rem;color:var(--text-secondary);font-size:.65rem;padding:.2rem .4rem;text-decoration:none}.nav-item.active{color:var(--primary)}.nav-item .nav-icon{font-size:1.3rem}.page-content{padding-bottom:4.5rem}.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:1rem}.dash-card{background:var(--card);border-radius:var(--radius);padding:.8rem;box-shadow:var(--shadow);text-align:center;text-decoration:none;color:var(--text);transition:transform .15s}.dash-card:active{transform:scale(.97)}.dash-card .dash-icon{font-size:2rem;margin-bottom:.3rem}.dash-card .dash-label{font-size:.85rem;font-weight:600}.sos-btn{display:block;width:100%;padding:1rem;background:var(--danger);color:#fff;font-size:1.3rem;font-weight:700;border-radius:var(--radius);text-align:center;margin:1rem 0;border:none;cursor:pointer;text-decoration:none}.sos-btn:active{background:var(--danger-light)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.modal{background:#fff;border-radius:var(--radius);padding:1.2rem;width:100%;max-width:500px;max-height:80vh;overflow-y:auto}.modal h2{margin-bottom:1rem}.modal-actions{display:flex;gap:.5rem;margin-top:1rem}.modal-actions button{flex:1}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{background:#fff;border-radius:var(--radius);padding:2rem;width:100%;max-width:400px;box-shadow:var(--shadow)}.auth-card h1{text-align:center;margin-bottom:.3rem;color:var(--primary)}.auth-card .subtitle{text-align:center;color:var(--text-secondary);margin-bottom:1.5rem}.auth-toggle{text-align:center;margin-top:1rem}.kb-categories{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem}.kb-tag{padding:.3rem .6rem;border-radius:20px;font-size:.8rem;border:1px solid var(--primary);color:var(--primary);background:transparent;cursor:pointer}.kb-tag.active{background:var(--primary);color:#fff}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin-bottom:1rem}.stat-card{text-align:center;padding:.5rem}.stat-value{font-size:1.3rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.7rem;color:var(--text-secondary)}.memoir-prompt{background:#fff3e0;border-left:4px solid var(--warm);padding:.8rem;border-radius:0 var(--radius) var(--radius) 0;margin-bottom:.8rem;font-style:italic}.step-form{padding:1rem 0}.step-form .step-progress{color:#888;font-size:1rem;margin-bottom:.5rem}.step-form .step-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;color:#333}.step-form .step-fields{margin-bottom:1.5rem}.step-form .step-actions{display:flex;gap:.75rem;margin-top:1.5rem}.step-form .step-actions .btn-primary,.step-form .step-actions .btn-secondary{flex:1;padding:.875rem;font-size:1.1rem;border-radius:8px}.step-form .step-actions .btn-text{background:none;border:none;color:#888;font-size:1rem;cursor:pointer;padding:.875rem .5rem}.btn-secondary{background:#f0f0f0;color:#333;border:none;cursor:pointer}.btn-secondary:hover{background:#e0e0e0}.btn-family-primary{background:#1565c0;color:#fff;border:none;padding:.875rem 1.5rem;font-size:1.1rem;border-radius:8px;cursor:pointer}.btn-family-primary:hover{background:#0d47a1}.family-elder-card:hover{background:#f5f5f5}