:root{--bg: #f4f6fb;--card: #ffffff;--primary: #4f46e5;--primary-dark: #4338ca;--accent: #06b6d4;--en: #4f46e5;--cn: #e11d48;--danger: #dc2626;--ok: #16a34a;--low: #dc2626;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--shell-max: 1180px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:var(--shell-max);margin:0 auto;padding:24px clamp(16px,4vw,40px) 48px}header{text-align:center;padding:12px 0 4px}header h1{margin:0;font-size:1.5rem}.subtitle{margin:4px 0 0;color:var(--muted);font-size:.9rem}.card{background:var(--card);border-radius:12px;padding:16px;margin:12px 0;box-shadow:0 1px 3px #0000000f}.card h2{margin:0 0 12px;font-size:1.05rem}textarea{width:100%;border:1px solid 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5px}.phoneme.low{background:#fecaca;color:var(--low)}.markdown{margin-top:14px;line-height:1.6;overflow-x:auto}.markdown table{border-collapse:collapse;width:100%}.markdown th,.markdown td{border:1px solid var(--border);padding:6px 8px;text-align:left}.markdown code{background:#f3f4f6;padding:1px 4px;border-radius:4px}.error{color:var(--danger);font-size:.9rem}.info{text-align:center;color:var(--muted)}footer{text-align:center;color:var(--muted);padding:20px 0}.header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;text-align:left}.lang-switcher{border:1px solid transparent;border-radius:8px;padding:6px 8px;background:transparent;min-height:36px;color:var(--text);cursor:pointer;transition:background .15s ease,color .15s ease}.lang-switcher:hover{background:#4f46e514;color:var(--primary-dark)}.lang-switcher:focus{outline:none;background:#4f46e514}.main-nav{display:flex;align-items:center;gap:14px;margin-top:12px;padding:8px 0;border-top:1px solid var(--border);flex-wrap:wrap}.main-nav a{color:var(--primary);text-decoration:none;font-size:.95rem}.main-nav a:hover{text-decoration:underline}.nav-spacer{flex:1}.nav-user{color:var(--muted);font-size:.9rem}.btn.link{border:none;background:none;color:var(--primary);padding:4px 6px;min-height:auto}.btn.link:hover{background:none;text-decoration:underline}.auth-card{max-width:380px;margin:24px auto}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-form input{border:1px solid var(--border);border-radius:8px;padding:10px;font-size:1rem}.auth-switch{text-align:center;margin-top:12px;font-size:.9rem}.auth-switch a{color:var(--primary)}.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.history-item{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--border);border-radius:8px;padding:10px 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clamp(16px,4vw,40px)}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-weight:800;font-size:1.1rem}.brand-mark{color:var(--primary);font-size:1rem}.brand-name{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.navbar-links{display:flex;gap:14px;flex:1;flex-wrap:wrap}.navbar-links a{color:var(--muted);text-decoration:none;font-size:.92rem;padding:4px 2px}.navbar-links a:hover{color:var(--text)}.navbar-links a.active{color:var(--primary);font-weight:600}.navbar-right{display:flex;align-items:center;gap:10px}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer}.nav-toggle span{display:block;width:20px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}.nav-toggle.open 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12px;margin-bottom:16px}.hero-title{font-size:clamp(2rem,6vw,2.6rem);margin:0;font-weight:900;letter-spacing:-.02em;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-tagline{font-size:clamp(1.1rem,3.5vw,1.4rem);font-weight:700;margin:8px 0 4px}.hero-desc{color:var(--muted);max-width:460px;margin:8px auto 24px;line-height:1.5}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-motto{margin-top:26px;color:var(--muted);font-style:italic}.ability-band{margin-top:36px}.ability-band h2,.goal-band h2{font-size:1.1rem}.ability-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.ability-chip{background:#eef2ff;color:var(--primary-dark);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:600}.goal-band{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}.goal-card{display:block;text-decoration:none;border:1px solid var(--border);border-radius:14px;padding:22px;background:var(--card);color:var(--text);text-align:left;cursor:pointer;transition:transform .12s,box-shadow .12s}.goal-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00000014}.goal-card.en{border-top:4px solid var(--en)}.goal-card.cn{border-top:4px solid var(--cn)}.goal-card h3{margin:0 0 6px}.goal-card p{margin:0;color:var(--muted);font-size:.9rem}.goal-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.goal-card.lg{padding:28px;text-align:center}.goal-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;font-weight:800;color:#fff;margin-bottom:10px}.goal-card.en .goal-icon{background:var(--en)}.goal-card.cn .goal-icon{background:var(--cn)}.goal-link{display:inline-block;margin-top:10px;color:var(--primary);font-weight:600;font-size:.9rem}.page{padding-top:8px}.page-title{font-size:1.6rem;margin:8px 0 2px}.page-subtitle{color:var(--muted);margin:0 0 18px}.product-head{text-align:center;margin-bottom:12px}.flow{display:inline-flex;align-items:center;gap:10px;margin-top:8px}.flow-step{background:#eef2ff;color:var(--primary-dark);border-radius:8px;padding:6px 14px;font-weight:700}.cn-theme .flow-step{background:#ffe4e6;color:var(--cn)}.flow-arrow{color:var(--muted)}.level-preview{display:flex;align-items:center;justify-content:center;gap:16px}.level-box{flex:1;text-align:center;border:1px solid var(--border);border-radius:12px;padding:16px}.level-box.accent{border-color:var(--primary);background:#eef2ff}.cn-theme .level-box.accent{border-color:var(--cn);background:#ffe4e6}.level-caption{display:block;font-size:.8rem;color:var(--muted)}.level-value{display:block;font-size:1.5rem;font-weight:800;margin-top:4px}.level-value.sm{font-size:1.05rem}.level-arrow{font-size:1.4rem;color:var(--muted)}.exam-grid,.training-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.exam-card{border:1px solid 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var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:.9rem}.picker-field select:disabled{background:#f8fafc;color:var(--muted);cursor:not-allowed}.picker-field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}@media (max-width: 560px){.picker-grid{grid-template-columns:1fr}}.picker-fallback{display:flex;flex-direction:column;gap:8px}.picker-fallback-hint{margin:0;padding:8px 12px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;color:var(--primary-dark);font-size:.85rem}.picker-fallback-actions{justify-content:flex-end}.picker-current{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px;padding:10px 12px;background:#f8fafc;border:1px solid var(--border);border-radius:10px}.picker-text{font-weight:600;color:var(--text)}.kg-picker .row.wrap select{min-width:150px;flex:1 1 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var(--border)}.admin-tabs a{padding:8px 14px;border-radius:8px 8px 0 0;color:var(--muted);text-decoration:none;font-weight:600;font-size:.92rem;border-bottom:2px solid transparent}.admin-tabs a:hover{color:var(--text);background:#f8fafc}.admin-tabs a.active{color:var(--primary-dark);border-bottom-color:var(--primary)}.section-title{margin:18px 0 10px;font-size:1.1rem}.nav-admin{font-weight:700;color:var(--primary-dark)!important}.admin-search{flex:1 1 200px;min-width:160px}.admin .field{display:flex;flex-direction:column}.admin .field .field-label{margin:0 0 2px}.webhook-payload{margin:8px 0 0;padding:10px;background:var(--bg, #0d1117);color:#d1d5db;border:1px solid var(--border);border-radius:8px;font-size:.72rem;line-height:1.45;max-height:320px;overflow:auto;white-space:pre-wrap;word-break:break-all}.admin-table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--border);border-radius:12px}.admin-table{width:100%;border-collapse:collapse;font-size:.9rem}.admin-table 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