.class-price-original{display:block;font-size:14px;font-weight:400;color:#7b827b;line-height:1.8}.class-price-discount{color:#427022;font-size:12px;font-weight:700;margin-left:6px}.class-price-current{display:block;color:#202a1e;line-height:1.5}
.class-detail-page{background:#fff;min-height:75vh;padding:34px 28px 90px;color:#242a26}
.class-detail-shell{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:30px}
.class-detail-main{min-width:0}.class-detail-cover{width:100%;border-radius:8px;overflow:hidden;background:#f4f5f2}
.class-detail-cover>img{display:block;width:100%;height:auto;max-height:560px;object-fit:contain}
.class-detail-no-cover{min-height:300px;padding:45px;display:flex;flex-direction:column;justify-content:center;background:#202b20;color:#fff}.class-detail-no-cover span{color:var(--brand-accent)}.class-detail-no-cover h1{font-size:32px;line-height:1.5;margin-top:18px}
.class-detail-tabs{gap:26px;scroll-margin-top:110px}.class-detail-tabs button{font-size:14px;padding:18px 0 14px;line-height:1.4;font-weight:500}
.class-detail-tabs button:focus-visible{outline:2px solid #54753a;outline-offset:-2px}.class-detail-panel{padding-top:32px}.class-detail-panel[hidden]{display:none!important}
.class-detail-summary{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding:24px;background:#f6f7f7;border-radius:7px;margin-bottom:45px;font-size:13px;color:#838885}.class-detail-summary strong{margin-left:7px;color:#425149;font-weight:500}
.class-detail-page h2{font-size:20px;line-height:1.55;font-weight:650;letter-spacing:-.04em;margin:0 0 24px}.class-detail-description{font-size:14px;line-height:1.9;color:#38423a;overflow-wrap:anywhere}.class-detail-description img{max-width:100%;height:auto}.class-description-text{white-space:pre-wrap}
.class-detail-page .class-detail-teacher-heading{margin-top:64px}.class-detail-teacher{border:1px solid #e8eae6;border-radius:8px;padding:25px;display:flex;align-items:start;gap:24px}.class-detail-teacher img{width:90px;height:110px;object-fit:cover;border-radius:6px}.class-detail-teacher span{font-size:12px;color:#80877f}.class-detail-teacher h3{font-size:17px;margin:5px 0 13px}.class-detail-teacher p{white-space:pre-line;font-size:14px;line-height:1.8;color:#677067}
.class-detail-enrollment{position:sticky;top:112px;border:1px solid #eceeeb;border-radius:10px;padding:24px 20px;background:#fff;box-shadow:0 14px 34px #1b2a2010;min-width:0}.class-detail-subject{display:block;color:#88917f;font-size:11px;margin-bottom:8px}.class-detail-enrollment h1{font-size:17px;line-height:1.6;font-weight:650;letter-spacing:-.025em;margin:0;overflow-wrap:anywhere}.class-detail-price{font-size:25px;font-weight:750;margin:24px 0 25px;letter-spacing:-.04em}.class-detail-share{width:100%;border:1px solid #dcded9;border-radius:4px;color:#80867f;font-size:12px;padding:9px;text-align:center}.class-detail-enrollment [data-class-share-status]{font-size:11px;color:#5c754b;margin:4px 0}.class-detail-purchase .btn{width:100%;display:flex;align-items:center;justify-content:center;border-radius:4px;font-size:14px;padding:14px 10px;margin-top:9px}.class-detail-purchase p{font-size:13px;line-height:1.6}.class-detail-enrollment dl{display:grid;grid-template-columns:78px minmax(0,1fr);gap:10px 8px;border-top:1px solid #eceee8;padding-top:20px;margin-top:22px;font-size:12px;line-height:1.5}.class-detail-enrollment dt{color:#858b81}.class-detail-enrollment dd{margin:0;color:#4c574c}.class-detail-back{display:inline-block;font-size:12px;color:#7f887a;margin-top:24px}
.class-detail-section-title{display:flex;justify-content:space-between;align-items:baseline}.class-detail-section-title span,.class-detail-hint{font-size:13px;color:#7a8478}.class-detail-hint{margin-bottom:20px;line-height:1.7}.class-detail-page .lms-learning{min-width:0}.class-detail-page .lms-learning summary{font-size:14px;line-height:1.6;padding:18px}.class-detail-page .learning-chapter{font-size:16px;margin:22px 0 12px}.class-detail-page .lms-learning-body{padding:20px}.class-detail-page .lms-learning-body iframe,.class-detail-page .lms-learning-body video{width:100%;max-width:100%;aspect-ratio:16/9;border:0}.class-detail-page .lms-learning .empty{font-size:13px;padding:25px}
.class-detail-empty{text-align:center;background:#f8f9f6;border-radius:8px;padding:42px 20px}.class-detail-empty strong{font-size:15px;font-weight:550}.class-detail-empty p{font-size:13px;color:#87907f;margin-top:10px;line-height:1.8}.class-post{padding:22px 0;border-bottom:1px solid #e8ece5}.class-post>div{display:flex;justify-content:space-between;gap:15px;font-size:13px}.class-post time{color:#89917f;font-size:12px}.class-post p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9;margin-top:12px}.class-detail-panel form[data-class-post-form]{margin-top:25px}.class-detail-panel form[data-class-post-form] label{display:block;font-size:14px;margin-bottom:10px}.class-detail-panel textarea{width:100%;min-height:130px;border:1px solid #dce2d6;border-radius:6px;padding:14px;font:inherit;resize:vertical}.class-detail-panel form[data-class-post-form] .btn{margin-top:12px;font-size:13px}.class-detail-panel form[data-class-post-form] [role=status]{font-size:13px;color:#98542c;margin-top:10px}
@media(min-width:1500px){.class-detail-shell{max-width:1200px;grid-template-columns:minmax(0,1fr) 305px;gap:32px}}
@media(max-width:900px){.class-detail-page{padding:24px 22px 60px}.class-detail-shell{grid-template-columns:minmax(0,1fr) 250px;gap:22px}.class-detail-enrollment{padding:20px 16px;top:145px}.class-detail-enrollment h1{font-size:15px}.class-detail-summary{padding:20px;gap:14px}.class-detail-tabs{gap:20px}.class-detail-tabs button{font-size:13px}}
@media(max-width:650px){.class-detail-page{padding:20px 18px 50px}.class-detail-shell{display:flex;flex-direction:column;gap:24px}.class-detail-main{width:100%;display:contents}.class-detail-cover{order:0}.class-detail-enrollment{position:static;order:1;width:100%;box-shadow:none;padding:20px}.class-detail-tabs{order:2;width:100%;margin-top:4px;gap:24px}.class-detail-panel{order:3;width:100%;padding-top:0}.class-detail-enrollment h1{font-size:18px}.class-detail-price{margin:16px 0;font-size:25px}.class-detail-enrollment dl{grid-template-columns:90px 1fr;font-size:12px}.class-detail-summary{margin-bottom:30px}.class-detail-page h2{font-size:18px}.class-detail-teacher{padding:20px;gap:16px}.class-detail-teacher img{width:70px;height:85px}.class-detail-back{margin-top:16px}}

/* Compact curriculum rows; real lessons and chapter dividers keep their DB order. */
.class-detail-page .class-lesson-list{border:1px solid #e8ebed;border-radius:9px;overflow:hidden;background:#fafbfc}
.class-detail-page .class-lesson{border:0;border-radius:0;margin:0;border-top:1px solid #eceef0;background:transparent}
.class-detail-page .class-lesson:first-child{border-top:0}
.class-detail-page .class-lesson>summary{display:flex;align-items:center;gap:16px;list-style:none;padding:15px 20px;min-height:64px;cursor:pointer}
.class-detail-page .class-lesson>summary::-webkit-details-marker{display:none}.class-lesson>summary::marker{content:''}
.class-lesson-play{flex:0 0 20px;color:#838a86;line-height:0}.class-lesson-play svg{width:20px;height:20px}
.class-lesson-label{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1;font-size:14px;color:#29352d;line-height:1.45;overflow-wrap:anywhere}.class-lesson-label small{font-size:11px;color:#8c96a0;font-variant-numeric:tabular-nums}
.class-lesson-tags{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap;font-size:10px;color:#6f7f89}.class-lesson-preview{padding:3px 9px;border:1px solid #e2e7e8;border-radius:14px;background:white;white-space:nowrap}.class-lesson-release{max-width:140px;line-height:1.5;text-align:right}
.class-lesson-end{color:#959d98;font-size:19px}.class-lesson[open]>summary>.class-lesson-end{transform:rotate(180deg)}
.class-detail-page .class-lesson-chapter{display:flex;align-items:center;gap:22px;padding:14px 20px;background:#fff;border-top:1px solid #eceef0}.class-lesson-chapter:first-child{border-top:0!important}.class-lesson-chapter>span{font-size:10px;padding:2px 8px;border:1px solid #e6eaec;border-radius:12px;color:#8c949c;white-space:nowrap}.class-detail-page .class-lesson-chapter h3{font-size:14px;font-weight:550;line-height:1.6;margin:0;color:#37483e;overflow-wrap:anywhere}
.class-lesson[open]>summary{background:#f2f7ed}.class-detail-page .class-lesson .lms-learning-body{border-top:1px solid #e8ece4;background:white}.class-lesson>summary:focus-visible{outline:2px solid #466930;outline-offset:-3px}
@media(max-width:650px){.class-detail-page .class-lesson>summary{gap:10px;padding:14px 12px}.class-lesson-label{font-size:13px}.class-lesson-play{flex-basis:18px}.class-lesson-play svg{width:18px;height:18px}.class-lesson-tags{max-width:105px}.class-detail-page .class-lesson-chapter{gap:14px;padding:12px}.class-detail-section-title{gap:14px;flex-wrap:wrap}.class-detail-page .class-lesson .lms-learning-body{padding:14px}}

.class-detail-tabs{display:flex;align-items:stretch;border-bottom:1px solid #d9ded7;overflow-x:auto;white-space:nowrap}.class-detail-tabs button{border:0;border-bottom:2px solid transparent;background:none;color:#929a90;flex-shrink:0}.class-detail-tabs button.active{color:#252f25;border-bottom-color:#252f25}.class-detail-page .class-lesson>summary{background:#fafbfc;font-weight:400}.class-detail-page .class-lesson-label small{font-weight:400}

/* Match textbook discount emphasis. */
.class-price-line{display:inline-flex;align-items:baseline;flex-wrap:wrap;gap:5px 9px;line-height:1.5}.class-price-line .class-price-discount{margin:0;color:#e53935;font-size:12px;font-weight:500}.class-price-line .class-price-current{display:inline;color:#e53935;font-size:20px;font-weight:750;line-height:1.5;letter-spacing:-.025em}.class-price-line .class-price-original{display:inline;color:#92988e;font-size:13px;font-weight:400;line-height:1.5}.class-detail-price .class-price-current{font-size:26px}