.pth-chapter-keywords-page{max-width:1180px;margin:0 auto;padding:24px 18px 38px;color:#183653}
.pth-chapter-keywords-hero{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:24px;align-items:start;margin-bottom:18px}
.pth-chapter-chip{display:inline-flex;padding:5px 12px;border-radius:8px;background:#2868ef;color:#fff;font-size:13px;font-weight:800}
.pth-chapter-keywords-heading h1{margin:10px 0 6px;font-size:29px;line-height:1.1;color:#102f5b}
.pth-chapter-keywords-heading p{max-width:760px;margin:0;font-size:15px;line-height:1.55;color:#53677d}
.pth-chapter-keywords-heading small{display:block;margin-top:7px;color:#6f8499}
.pth-chapter-language-panel{position:sticky;top:18px;padding:14px;border:1px solid #cfdceb;border-radius:12px;background:#f8fbfe;box-shadow:0 5px 18px rgba(26,61,98,.08)}
.pth-chapter-language-panel strong{display:block;margin-bottom:9px;font-size:14px;color:#17375e}
.pth-chapter-language-buttons{display:flex;flex-wrap:wrap;gap:6px}
.pth-chapter-language{min-width:42px;height:34px;padding:0 9px;border:1px solid #cbd7e5;border-radius:8px;background:#fff;color:#405971;font-size:12px;font-weight:800;cursor:pointer}
.pth-chapter-language:hover,.pth-chapter-language.is-active{border-color:#2c6af1;background:#2c6af1;color:#fff}
.pth-chapter-language-panel small{display:block;margin-top:8px;color:#718399;font-size:11px;line-height:1.35}
.pth-chapter-keyword-list{display:grid;gap:10px}
.pth-chapter-keyword-row{display:grid;grid-template-columns:42px minmax(150px,1.1fr) minmax(260px,2.25fr) minmax(260px,2fr) 145px;gap:12px;align-items:start;padding:14px;border:1px solid #d9e3ed;border-radius:10px;background:#fff;box-shadow:0 2px 8px rgba(30,66,105,.04)}
.pth-chapter-keyword-row.is-extra{display:none}.pth-chapter-keyword-row.is-extra.is-visible{display:grid}
.pth-chapter-keyword-no{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e9f4ff;color:#164f9c;font-weight:900}
.pth-chapter-keyword-term strong{display:block;color:#143b6f;font-size:16px;line-height:1.25}
.pth-chapter-keyword-term span{display:inline-flex;margin-top:8px;padding:3px 8px;border-radius:999px;background:#ecf5ff;color:#2e67a0;font-size:10px;font-weight:800}
.pth-chapter-keyword-en,.pth-chapter-keyword-translation{font-size:13.5px;line-height:1.52;color:#334f69}
.pth-chapter-keyword-en p{margin:0}
.pth-chapter-keyword-translation{min-height:68px;padding:9px 10px;border-radius:8px;background:#eefaf7;border-left:3px solid #57c1bd}
.pth-chapter-keyword-language{display:inline-flex;margin-bottom:5px;padding:2px 6px;border-radius:5px;background:#d8f3ee;color:#0f7772;font-size:10px;font-weight:900}
.pth-chapter-keyword-open{display:flex;align-items:center;justify-content:center;gap:7px;min-height:58px;padding:9px;border:0;border-radius:8px;background:#edf7ff;color:#205b9b;font-size:11px;line-height:1.25;font-weight:800;cursor:pointer}
.pth-chapter-keywords-more{display:flex;justify-content:center;margin:16px 0 22px}
.pth-chapter-keywords-more button{padding:9px 14px;border:1px solid #b9d0fb;border-radius:8px;background:#fff;color:#2a63c5;font-weight:800;cursor:pointer}
.pth-chapter-memory{padding:14px;border:1px solid #f0df9a;border-radius:12px;background:linear-gradient(180deg,#fffced,#fff8db)}
.pth-chapter-memory-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:10px}
.pth-chapter-memory-head h2{margin:0;font-size:19px;color:#173b6d}.pth-chapter-memory-head em{color:#e0a500;font-weight:700}
.pth-chapter-memory-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pth-chapter-memory-item{display:flex;gap:9px;min-height:70px;padding:10px;border:1px solid #e3e7ec;border-radius:8px;background:#fff}
.pth-chapter-memory-item>b{flex:0 0 28px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eaf3ff;color:#285da7}
.pth-chapter-memory-item strong{display:block;margin-bottom:3px;color:#193d72;font-size:13px}
.pth-chapter-memory-item span{display:block;color:#596f85;font-size:11.5px;line-height:1.35}
.pth-lesson-keywords-link{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#fff;text-decoration:none;font-size:12px;font-weight:800}
.pth-lesson-keywords-link:hover{background:rgba(255,255,255,.12)}
@media(max-width:980px){.pth-chapter-keywords-hero{grid-template-columns:1fr}.pth-chapter-language-panel{position:static}.pth-chapter-keyword-row{grid-template-columns:38px 1fr}.pth-chapter-keyword-en,.pth-chapter-keyword-translation,.pth-chapter-keyword-open{grid-column:2}.pth-chapter-memory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.pth-chapter-keywords-page{padding:18px 10px 28px}.pth-chapter-keywords-heading h1{font-size:24px}.pth-chapter-memory-grid{grid-template-columns:1fr}}