@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@400;500;600;700;800&family=Public+Sans:wght@400;500;600&display=swap');
:root{--navy:#16326E;--ink:#0E2148;--muted:#53627d;--cyan:#1FA4DC;--teal:#14B8A6;--amber:#F5A800;--orange:#F07818;--line:#dce6f2;--tint:#f3f8fc;--green:#eef7f6;--white:#fff;--shadow:0 12px 34px rgba(22,50,110,.08)}*{box-sizing:border-box}body{margin:0;font-family:'Public Sans',system-ui,sans-serif;color:var(--ink);background:radial-gradient(760px 360px at 95% -50px,rgba(31,164,220,.10),transparent 65%),linear-gradient(180deg,#eef7f6 0,#f3f8fc 45%,#fff 100%);min-height:100vh}h1,h2,h3,.cp-btn,.cp-pill,.cp-nav{font-family:'Lexend',sans-serif}.cp-wrap{max-width:980px;margin:auto;padding:0 20px}.cp-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.cp-headin{height:64px;display:flex;align-items:center;gap:12px}.cp-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800}.cp-brand img{height:42px;width:auto}.cp-head-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.cp-head-actions a,.cp-head-actions button{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:7px 10px;text-decoration:none;font:700 .72rem 'Lexend'}.cp-main{padding:38px 0 68px}.cp-hero{max-width:720px}.cp-kicker{font:800 .7rem 'Lexend';letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}.cp-hero h1{font-size:clamp(2rem,5vw,3rem);line-height:1.06;color:var(--navy);margin:.5rem 0}.cp-hero p{color:var(--muted);font-size:1rem;line-height:1.55;margin:0}.cp-tabs{display:flex;gap:8px;overflow:auto;margin:26px 0 18px}.cp-tabs a{white-space:nowrap;text-decoration:none;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:8px 12px;font:700 .75rem 'Lexend'}.cp-tabs a.active{background:var(--navy);color:#fff}.cp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.cp-card{display:block;text-decoration:none;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 7px 20px rgba(22,50,110,.04);min-height:148px}.cp-card:hover{border-color:var(--teal);box-shadow:var(--shadow)}.cp-icon{width:42px;height:42px;border-radius:13px;background:var(--tint);display:grid;place-items:center;color:var(--teal);font-size:1.18rem;margin-bottom:14px}.cp-card h2{font-size:1rem;color:var(--navy);margin:0 0 6px}.cp-card p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.45}.cp-go{display:inline-block;margin-top:12px;color:var(--teal);font:800 .72rem 'Lexend'}.cp-section{margin-top:34px}.cp-section h2{font-size:1.18rem;color:var(--navy);margin-bottom:12px}.cp-book{display:grid;grid-template-columns:68px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:11px;margin-bottom:10px;text-decoration:none}.cp-book img{width:68px;height:96px;object-fit:cover;border-radius:8px}.cp-book h3{margin:0 0 4px;color:var(--navy);font-size:.95rem}.cp-book p{margin:0;color:var(--muted);font-size:.78rem}.cp-arrow{color:var(--teal);font-size:1.4rem}.cp-note{margin-top:24px;padding:14px 16px;border-left:4px solid var(--teal);background:#fff;border-radius:0 14px 14px 0;color:var(--muted);font-size:.82rem}.cp-footer{padding:24px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;background:rgba(255,255,255,.8)}.cp-lang{position:fixed;inset:0;z-index:100;background:rgba(14,33,72,.28);display:grid;place-items:center;padding:18px}.cp-lang[hidden]{display:none}.cp-langbox{background:#fff;border-radius:20px;padding:18px;width:min(420px,100%);box-shadow:0 18px 50px rgba(14,33,72,.22)}.cp-langbox h2{margin:0 0 12px;color:var(--navy);font-size:1rem}.cp-langgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.cp-langgrid button{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px;font:800 .75rem 'Lexend';color:var(--navy)}@media(max-width:680px){.cp-grid{grid-template-columns:1fr}.cp-book{grid-template-columns:56px 1fr 18px}.cp-book img{width:56px;height:80px}.cp-brand span{display:none}}

/* WAVE17 · English Companion hierarchy */
.cp-book-framework{border:2px solid rgba(20,184,166,.35);background:linear-gradient(135deg,#ffffff 0%,#f2fbfa 100%);margin-bottom:22px}.cp-book-framework img{width:72px;height:108px;object-fit:cover}.cp-book-label{display:inline-block;margin-bottom:4px;font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#137f91}.cp-group-title{margin:22px 0 10px;color:#16326e;font-size:1rem;letter-spacing:.01em}