html,body{background:var(--bg);font-family:'Nunito',sans-serif;color:var(--text);line-height:1.8}
.nav-inner{max-width:800px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{text-decoration:none;color:var(--muted);font-weight:700;font-size:14px;transition:color 0.2s}
.article-wrap{max-width:800px;margin:0 auto;padding:40px 24px 80px}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:32px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--purple)}
.article-header{margin-bottom:40px}
.article-tag{display:inline-block;background:linear-gradient(135deg,#F0FFF4,#DCFCE7);color:var(--teal);font-size:12px;font-weight:800;border-radius:20px;padding:4px 14px;margin-bottom:16px}
h1.article-title{font-family:'Fredoka',cursive;font-size:clamp(26px,5vw,38px);font-weight:700;line-height:1.25;color:var(--text);margin-bottom:16px}
.article-meta{display:flex;gap:16px;align-items:center;font-size:13px;color:var(--muted);font-weight:700;flex-wrap:wrap}
.meta-item{display:flex;align-items:center;gap:4px}
.hook-box{background:linear-gradient(135deg,#F0FFF4,#DCFCE7);border-left:4px solid var(--teal);border-radius:0 12px 12px 0;padding:20px 24px;margin:32px 0;font-size:15px;font-weight:700;line-height:1.8;color:#065F46}
.hook-box strong{color:var(--teal)}
.article-body{font-size:16px;font-weight:700;line-height:1.9;color:var(--text)}
.article-body h2{font-family:'Fredoka',cursive;font-size:24px;font-weight:700;color:var(--text);margin:48px 0 16px;padding-bottom:8px;border-bottom:2px solid #F0EAF8}
.article-body h3{font-family:'Fredoka',cursive;font-size:19px;font-weight:700;color:var(--purple);margin:32px 0 12px}
.article-body p{margin-bottom:16px}
.article-body ul{margin:16px 0 16px 24px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--purple);font-weight:800;text-decoration:underline;text-decoration-color:rgba(139,92,246,0.3)}
.article-body a:hover{text-decoration-color:var(--purple)}
.article-body strong{color:var(--pink)}
/* Grade section */
.grade-section{margin:32px 0}
.grade-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.grade-badge{font-family:'Fredoka',cursive;font-size:14px;font-weight:700;padding:6px 18px;border-radius:24px;color:#fff}
.badge-3{background:linear-gradient(135deg,var(--pink),var(--orange))}
.badge-4{background:linear-gradient(135deg,var(--blue),var(--teal))}
.badge-5{background:linear-gradient(135deg,var(--purple),var(--blue))}
.badge-6{background:linear-gradient(135deg,var(--orange),#F97316)}
.grade-title{font-family:'Fredoka',cursive;font-size:20px;font-weight:700;color:var(--text)}
.vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-bottom:20px}
.vocab-item{background:var(--card);border-radius:12px;padding:12px 16px;box-shadow:0 2px 8px rgba(0,0,0,0.05);display:flex;gap:10px;align-items:flex-start}
.vocab-emoji{font-size:22px;flex-shrink:0;line-height:1}
.vocab-en{font-family:'Fredoka',cursive;font-size:16px;font-weight:700;color:var(--text)}
.vocab-ipa{font-size:11px;color:var(--muted);font-weight:700;display:block;margin-top:1px}
.vocab-cn{font-size:13px;color:var(--muted);font-weight:800;display:block;margin-top:3px}
.practice-bar{background:linear-gradient(135deg,#F5F3FF,#EDE9FE);border-radius:14px;padding:14px 20px;margin:16px 0 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.practice-text{font-size:14px;font-weight:700;color:var(--purple)}
.practice-btn{display:inline-block;background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff;text-decoration:none;border-radius:10px;padding:8px 20px;font-size:13px;font-weight:800;font-family:'Nunito',sans-serif;transition:opacity 0.15s}
.practice-btn:hover{opacity:0.88;text-decoration:none}
.tip-box{background:linear-gradient(135deg,#F0FFF4,#DCFCE7);border-left:4px solid var(--teal);border-radius:0 12px 12px 0;padding:18px 22px;margin:28px 0;font-size:14px;line-height:1.8}
.tip-box strong{color:var(--teal)}
.game-highlight{background:var(--card);border-radius:16px;padding:20px 24px;margin:24px 0;box-shadow:0 4px 16px rgba(0,0,0,0.07);border-left:4px solid var(--purple);display:flex;gap:16px;align-items:flex-start}
.game-highlight.pink{border-left-color:var(--pink)}
.game-icon{font-size:36px;flex-shrink:0}
.game-info h3{margin:0 0 6px;font-family:'Fredoka',cursive;font-size:17px;color:var(--text)}
.game-info p{font-size:14px;color:var(--muted);margin:0 0 10px;line-height:1.6}
.game-btn{display:inline-block;background:linear-gradient(135deg,var(--pink),var(--orange));color:#fff;text-decoration:none;border-radius:10px;padding:6px 18px;font-size:13px;font-weight:800;font-family:'Nunito',sans-serif;transition:opacity 0.15s}
.game-btn:hover{opacity:0.88;text-decoration:none}
.game-btn.purple{background:linear-gradient(135deg,var(--purple),var(--blue))}
.cta-box{background:linear-gradient(135deg,var(--teal),var(--blue));border-radius:20px;padding:36px 28px;text-align:center;color:#fff;margin:48px 0}
.cta-box h3{font-family:'Fredoka',cursive;font-size:26px;font-weight:700;margin-bottom:10px}
.cta-box p{font-size:15px;opacity:0.9;margin-bottom:24px;font-weight:700}
.cta-btn{display:inline-block;background:#fff;color:var(--teal);text-decoration:none;border-radius:14px;padding:12px 32px;font-size:15px;font-weight:900;font-family:'Nunito',sans-serif;transition:transform 0.15s,box-shadow 0.15s;box-shadow:0 4px 16px rgba(0,0,0,0.15)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.2);text-decoration:none}
.related{margin-top:48px;padding-top:32px;border-top:2px solid #F0EAF8}
.related h3{font-family:'Fredoka',cursive;font-size:20px;font-weight:700;margin-bottom:16px;color:var(--text)}
.related-links{display:flex;flex-direction:column;gap:12px}
.related-link{background:var(--card);border-radius:12px;padding:14px 18px;text-decoration:none;color:var(--text);font-weight:800;font-size:14px;box-shadow:0 2px 8px rgba(0,0,0,0.05);border-left:3px solid var(--purple);transition:transform 0.15s}
.related-link:hover{transform:translateX(4px)}
@media(max-width:600px){
  .nav-links{display:none}
  .game-highlight{flex-direction:column;gap:10px}
  .article-wrap{padding:24px 16px 60px}
  .vocab-grid{grid-template-columns:repeat(2,1fr)}
  .practice-bar{flex-direction:column;align-items:flex-start}
}