:root{--bg:#f5f7f9;--card:#fff;--text:#26323b;--muted:#6b7a87;--primary:#3b7a6e;--primary-dark:#2f6258;--accent:#eef4f2;--border:#e3e9ee;--danger:#c0524f}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:var(--card);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:17px;color:var(--primary-dark);flex-shrink:0;white-space:nowrap}.nav{display:flex;gap:16px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav a{color:var(--muted);font-size:14px;white-space:nowrap}.nav a:hover{color:var(--primary)}@media (max-width:767px){.topbar{padding:10px 14px;gap:10px}.brand{font-size:15px}.nav{gap:14px}.nav a{font-size:13px}}.container{max-width:680px;margin:0 auto;padding:32px 20px 80px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:16px}.card h1{margin-top:0;font-size:22px}.card h2{font-size:17px;margin:20px 0 8px}.btn{display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:10px;padding:11px 22px;font-size:15px;cursor:pointer;transition:background .15s}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:var(--accent);color:var(--primary-dark)}.btn.secondary:hover{background:#e2ece8}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-row{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}.option{display:block;width:100%;text-align:left;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:10px;cursor:pointer;font-size:15px;color:var(--text);transition:border-color .15s,background .15s}.option.selected,.option:hover{border-color:var(--primary)}.option.selected{background:var(--accent)}.progress{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin:12px 0 20px}.progress-bar{height:100%;background:var(--primary);transition:width .2s}.muted{color:var(--muted);font-size:14px}.tag{display:inline-block;background:var(--accent);color:var(--primary-dark);border-radius:20px;padding:4px 12px;font-size:13px;margin:3px 4px 3px 0}.disclaimer{position:fixed;bottom:0;left:0;right:0;text-align:center;padding:10px 16px;font-size:12px;color:var(--muted);background:var(--card);border-top:1px solid var(--border)}.textbox{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;font-size:15px;font-family:inherit;resize:vertical;min-height:90px}.textbox:focus{outline:none;border-color:var(--primary)}input[type=range]{width:100%}.crisis{background:#fdf0ef;border:1px solid #f2c9c7;color:var(--danger);border-radius:12px;padding:18px;margin:16px 0;font-size:15px}.grid-list{display:grid;grid-gap:10px;gap:10px}.grid-list a{display:block;border:1px solid var(--border);border-radius:10px;padding:14px 16px;color:var(--text);background:var(--card)}.grid-list a:hover{border-color:var(--primary)}.edu-columns{display:grid;grid-template-columns:200px 1fr;grid-gap:16px;gap:16px;align-items:start}.edu-list{display:flex;flex-direction:column;gap:6px;position:-webkit-sticky;position:sticky;top:72px}.edu-item{display:block;padding:10px 14px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:var(--card);cursor:pointer;font-size:14px;transition:border-color .15s,background .15s}.edu-item.active,.edu-item:hover{border-color:var(--primary)}.edu-item.active{background:var(--accent);color:var(--primary-dark);font-weight:600}.edu-detail{min-width:0}.edu-detail .card{margin-bottom:0}@media (max-width:767px){.edu-columns{grid-template-columns:1fr}.edu-list{position:static;flex-direction:row;flex-wrap:wrap}.edu-item{flex:0 0 auto}}