/* ReadWithUs course detail reference layout v1; scoped to the detail page */
.rwu-detail{--ink:#081746;--blue:#087ef1;--line:#e4edf5;--muted:#607590;color:var(--ink);background:#f5faff;padding-bottom:0}.rwu-detail *{box-sizing:border-box}.rwu-detail-wrap{max-width:1390px;margin:0 auto;padding:0 30px}.rwu-detail a{text-decoration:none}.rwu-detail-hero{background:linear-gradient(115deg,#e9f6ff 0%,#f4fbff 46%,#dbf0ff 100%);overflow:hidden}.rwu-detail-breadcrumb{display:flex;align-items:center;gap:10px;padding:23px 0 6px;color:#7890a7;font-size:13px}.rwu-detail-breadcrumb a{color:#55799f}.rwu-detail-hero-grid{min-height:318px;display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,.92fr);gap:12px;align-items:center}.rwu-detail-hero-copy{padding:24px 0 36px}.rwu-detail-pill{display:inline-block;font-weight:800;color:#086bd0;background:#d8efff;border-radius:20px;padding:7px 13px;font-size:12px}.rwu-detail-hero h1{font-size:clamp(35px,4.5vw,60px);font-weight:850;line-height:1.06;letter-spacing:-2px;margin:14px 0 12px;color:#0b1645;max-width:690px}.rwu-detail-hero-copy>p{font-size:18px;line-height:1.45;max-width:680px;margin:0 0 18px;color:#273d60}.rwu-detail-hero-benefits{display:flex;flex-wrap:wrap;gap:12px 20px}.rwu-detail-hero-benefits span{display:flex;align-items:center;gap:9px;font-size:13px;color:#213755;font-weight:600}.rwu-detail-hero-benefits i{font-size:17px;color:#058cda}.rwu-detail-hero-art{min-height:290px;position:relative;display:flex;align-items:end;justify-content:center}.rwu-detail-hero-art>img{max-height:340px;width:100%;object-fit:contain;object-position:bottom center}.rwu-detail-hero-card{position:absolute;right:0;top:30px;width:198px;padding:15px;background:white;border-radius:17px;box-shadow:0 10px 25px #185c9a18;transform:rotate(-3deg);display:flex;flex-direction:column;gap:8px}.rwu-detail-hero-card strong{font-size:15px;color:#0876e9;line-height:1.3}.rwu-detail-hero-card span{font-size:11px;color:#556785;line-height:1.5}.rwu-detail-hero-card a{background:#087ef1;color:white;padding:10px 7px;border-radius:9px;text-align:center;font-weight:700;font-size:12px}.rwu-detail-nav-wrap{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9;scroll-margin-top:16px}.rwu-detail-nav{display:grid;grid-template-columns:repeat(3,1fr)}.rwu-detail-nav button{border:0;background:transparent;cursor:pointer;min-height:58px;color:#425477;font-size:15px;font-weight:700;border-bottom:3px solid transparent;display:flex;align-items:center;justify-content:center;gap:10px}.rwu-detail-nav button.is-active{border-color:#0786f8;color:#0879e8}.rwu-detail-nav button:hover{background:#f3faff}.rwu-detail-body{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(285px,.8fr);align-items:start;gap:22px;padding-top:24px;padding-bottom:40px}.rwu-detail-main,.rwu-detail-aside{display:flex;flex-direction:column;gap:18px;min-width:0}.rwu-detail-panel[hidden]{display:none!important}.rwu-detail-card{background:#fff;border:1px solid #e6eef5;border-radius:14px;padding:22px;box-shadow:0 2px 12px #142d4910;min-width:0}.rwu-detail-card h2{font-size:22px;margin:0 0 16px;font-weight:800;line-height:1.25;color:#111a47}.rwu-detail-card h3{font-size:16px;margin:16px 0 10px}.rwu-detail-about{display:flex;gap:18px;align-items:center}.rwu-detail-about p{font-size:15px;color:#536680;line-height:1.7;margin:0}.rwu-detail-course-icon{width:82px;height:82px;flex:0 0 82px;display:grid;place-items:center;border-radius:18px;background:#e7f5ff;color:#0784f3;font-size:37px}.rwu-detail-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:20px}.rwu-detail-stats>div{border:1px solid #edf2f7;border-radius:11px;padding:14px 9px;display:grid;justify-items:center;text-align:center;gap:7px}.rwu-detail-stats i{color:#0787f0;font-size:21px}.rwu-detail-stats strong{font-size:16px}.rwu-detail-stats span{font-size:11px;color:#70819a}.rwu-detail-description iframe{width:100%;min-height:240px;border:1px solid var(--line);border-radius:10px}.rwu-detail-preview{position:relative;display:block;border-radius:12px;overflow:hidden;aspect-ratio:16/7;background:#e9f1f7}.rwu-detail-preview>img{width:100%;height:100%;object-fit:cover}.rwu-detail-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;color:white;font-weight:800;font-size:16px;background:#0a1d4255;transition:background .2s}.rwu-detail-play i{background:white;color:#077eeb;width:50px;height:50px;border-radius:50%;display:grid;place-items:center}.rwu-detail-preview:hover .rwu-detail-play{background:#0a1d4288}.rwu-detail-row-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.rwu-detail-row-heading h2{margin-bottom:3px}.rwu-detail-row-heading button{background:none;border:0;color:#087ef1;font-weight:700;cursor:pointer}.rwu-detail-subtext{margin:3px 0 14px;color:#7b8aa0;font-size:13px}.rwu-detail-sections,.rwu-detail-full-sections{display:grid;gap:9px}.rwu-detail-section-short,.rwu-detail-section-expand{background:#fff;border:1px solid var(--line);border-radius:10px;transition:box-shadow .2s,border-color .2s}.rwu-detail-section-short{width:100%;display:flex;align-items:center;gap:13px;text-align:left;padding:10px 12px;cursor:pointer}.rwu-detail-section-short:hover,.rwu-detail-section-expand:hover{border-color:#abd6ff;box-shadow:0 5px 17px #1679d916}.rwu-detail-section-short b,.rwu-detail-section-expand summary>b{width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:#087ef1;color:white;display:grid;place-items:center;font-size:18px}.rwu-detail-section-short:nth-child(5n+2) b,.rwu-detail-section-expand:nth-child(5n+2) summary>b{background:#f03c8a}.rwu-detail-section-short:nth-child(5n+3) b,.rwu-detail-section-expand:nth-child(5n+3) summary>b{background:#ff9a13}.rwu-detail-section-short:nth-child(5n+4) b,.rwu-detail-section-expand:nth-child(5n+4) summary>b{background:#a148ec}.rwu-detail-section-short:nth-child(5n) b,.rwu-detail-section-expand:nth-child(5n) summary>b{background:#10b77b}.rwu-detail-section-short span,.rwu-detail-section-expand summary>span{display:grid;gap:3px;flex:1;min-width:0}.rwu-detail-section-short strong,.rwu-detail-section-expand summary strong{font-size:14px;color:#14204a}.rwu-detail-section-short small,.rwu-detail-section-expand summary small{font-size:12px;color:#74859b;line-height:1.35;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.rwu-detail-section-short em,.rwu-detail-section-expand summary em{font-style:normal;font-size:12px;color:#78869e;white-space:nowrap}.rwu-detail-section-short>i{font-size:12px;color:#74869e}.rwu-detail-section-expand summary{list-style:none;display:flex;align-items:center;gap:12px;cursor:pointer;padding:13px}.rwu-detail-section-expand summary::-webkit-details-marker{display:none}.rwu-detail-section-expand summary>i{font-size:13px;color:#7184a1}.rwu-detail-section-expand[open] summary>i{transform:rotate(180deg)}.rwu-detail-lessons{border-top:1px solid var(--line);padding:8px 15px}.rwu-detail-lesson{display:flex;align-items:center;gap:12px;padding:9px 0;color:#4b607d;font-size:13px;border-bottom:1px solid #eef3f7}.rwu-detail-lesson:last-child{border:0}.rwu-detail-lesson>span{flex:1}.rwu-detail-lesson>small{white-space:nowrap}.rwu-detail-lesson>button{border:1px solid #087ef1;background:white;color:#087ef1;border-radius:6px;padding:5px 9px;cursor:pointer}.rwu-detail-learning-items{display:grid;gap:10px}.rwu-detail-learning-items>div{display:flex;gap:10px;align-items:start;background:#f7fbff;border-radius:9px;padding:12px;font-size:14px;color:#4a627e}.rwu-detail-learning-items i{color:#13ad7e;margin-top:2px}.rwu-detail-aside .rwu-detail-card{padding:19px}.rwu-detail-progress>p{color:#6a7e98;font-size:13px;line-height:1.6}.rwu-detail-main-cta,.rwu-detail-bottom a{display:flex;gap:10px;justify-content:center;align-items:center;background:#087ef1;color:#fff!important;border-radius:8px;padding:13px;font-weight:800;font-size:14px}.rwu-detail-main-cta:hover,.rwu-detail-bottom a:hover,.rwu-detail-hero-card a:hover{background:#006ad6}.rwu-detail-goal{margin-top:14px;display:flex;gap:12px;align-items:center;padding:12px;background:#eaf7ff;border-radius:11px}.rwu-detail-goal>i{font-size:24px;color:#087ef1}.rwu-detail-goal span{display:grid;gap:5px}.rwu-detail-goal strong{font-size:13px}.rwu-detail-goal small{color:#6a7b91;font-size:12px;line-height:1.45}.rwu-detail-course-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px;border-top:1px solid var(--line);padding-top:13px}.rwu-detail-course-facts span{display:inline-flex;align-items:center;gap:6px;color:#64758d;font-size:12px}.rwu-detail-course-facts i{color:#087ef1}.rwu-detail-ava-head{display:flex;gap:12px;align-items:center}.rwu-detail-ava-head>img{width:85px;height:95px;object-fit:contain;flex:0 0 85px}.rwu-detail-ava-head h2{margin:0 0 6px}.rwu-detail-ava-head strong{color:#087ef1;font-size:13px}.rwu-detail-ava-head p{font-size:12px;line-height:1.5;color:#70829b;margin:5px 0 0}.rwu-detail-ava>a{margin-top:14px;display:flex;align-items:center;justify-content:center;gap:9px;border:1px solid #0783ef;padding:11px;border-radius:8px;color:#0574dc;font-weight:800;font-size:13px}.rwu-detail-resources>a{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #eef2f7;color:#16305d}.rwu-detail-resources>a:last-child{border:0}.rwu-detail-resources>a>i:first-child{background:#eaf4ff;color:#087ef1;border-radius:9px;padding:10px}.rwu-detail-resources>a>span{display:grid;gap:3px;flex:1}.rwu-detail-resources strong{font-size:13px}.rwu-detail-resources small{font-size:12px;color:#74859d}.rwu-detail-resources>a>i:last-child{font-size:11px;color:#087ef1}.rwu-detail-extra>.rwu-fav-btn-modern{border:1px solid var(--line);background:#fff;border-radius:9px;padding:12px;width:100%;cursor:pointer;color:#087ef1;font-weight:700}.rwu-detail-extra>.rwu-fav-btn-modern.active{color:#dc3166;background:#fff1f5}.rwu-detail-share{display:flex;justify-content:space-between;align-items:center;margin-top:15px;font-size:13px;color:#637a94}.rwu-detail-share>div{display:flex;gap:12px}.rwu-detail-share a{cursor:pointer;color:#087ef1}.rwu-detail-bottom{background:linear-gradient(120deg,#d9f0ff,#eaf9ff);padding:23px 0}.rwu-detail-bottom>.rwu-detail-wrap{display:flex;align-items:center;gap:25px}.rwu-detail-bottom img{width:120px;height:125px;object-fit:contain}.rwu-detail-bottom>.rwu-detail-wrap>div{flex:1}.rwu-detail-bottom h2{font-size:25px;margin:0 0 5px}.rwu-detail-bottom p{color:#5c718a;margin:0 0 14px;font-size:13px}.rwu-detail-bottom a{max-width:290px}.rwu-detail-bottom ul{list-style:none;margin:0;padding:18px;background:#ffffffce;border-radius:13px;display:grid;gap:12px;color:#556987;font-size:13px}.rwu-detail-bottom li:before{content:'✓';color:#0db982;margin-right:10px;font-weight:900}.rwu-detail-reviews{display:flex;align-items:start;gap:18px;flex-wrap:wrap}.rwu-detail-rating{display:grid;gap:6px}.rwu-detail-rating strong{font-size:25px;color:#087ef1}.rwu-detail-rating span{font-size:12px;color:#71839a}.rwu-detail-rating-bars{flex:1;min-width:180px}.rwu-detail-rating-line{display:flex;align-items:center;gap:8px;font-size:12px;color:#63758c;margin:4px 0}.rwu-detail-rating-line>div{height:7px;flex:1;background:#eef3f7;border-radius:10px;overflow:hidden}.rwu-detail-rating-line i{display:block;height:100%;background:#087ef1}.rwu-detail-light-btn{padding:10px;border:1px solid #087ef1;color:#087ef1;border-radius:7px;background:#fff;cursor:pointer}.rwu-detail-reviews #reviewsListingJs{width:100%}.rwu-detail-more{padding:40px 0;background:white}.rwu-detail-more h2{font-size:23px;margin:0 0 20px}.rwu-detail-more .rwu-more-courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:15px}
@media(max-width:1100px){.rwu-detail-hero-grid{grid-template-columns:1fr 380px}.rwu-detail-hero-card{right:-6px;width:165px}.rwu-detail-body{grid-template-columns:minmax(0,1.45fr) minmax(280px,.85fr)}.rwu-detail-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.rwu-detail-wrap{padding:0 18px}.rwu-detail-hero-grid{grid-template-columns:1fr}.rwu-detail-hero-copy{padding-bottom:8px}.rwu-detail-hero-art{min-height:0;max-height:240px}.rwu-detail-hero-art>img{max-height:240px}.rwu-detail-hero-card{top:0;right:4%}.rwu-detail-body{grid-template-columns:1fr}.rwu-detail-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.rwu-detail-progress{grid-column:1/-1}.rwu-detail-bottom ul{display:none}.rwu-detail-nav button{font-size:13px}}
@media(max-width:520px){.rwu-detail-hero h1{font-size:34px;letter-spacing:-1px}.rwu-detail-hero-copy>p{font-size:15px}.rwu-detail-hero-benefits{gap:9px}.rwu-detail-hero-benefits span{font-size:11px}.rwu-detail-hero-card{position:relative;transform:none;right:auto;top:auto;max-width:100%;width:auto;margin-bottom:12px}.rwu-detail-hero-art{max-height:none;display:grid;gap:0}.rwu-detail-hero-art>img{max-height:190px}.rwu-detail-nav button{font-size:11px;gap:5px;padding:9px 2px;min-height:52px}.rwu-detail-nav i{font-size:12px}.rwu-detail-card,.rwu-detail-aside .rwu-detail-card{padding:15px}.rwu-detail-card h2{font-size:19px}.rwu-detail-about{align-items:flex-start}.rwu-detail-course-icon{width:55px;height:55px;flex-basis:55px;font-size:28px}.rwu-detail-about p{font-size:13px}.rwu-detail-stats{gap:7px}.rwu-detail-section-short em,.rwu-detail-section-expand summary em{display:none}.rwu-detail-section-short small,.rwu-detail-section-expand summary small{max-width:170px}.rwu-detail-aside{grid-template-columns:1fr}.rwu-detail-bottom img{width:65px;height:80px}.rwu-detail-bottom h2{font-size:18px}.rwu-detail-bottom a{font-size:12px}.rwu-detail-preview{aspect-ratio:16/10}}
@media(prefers-reduced-motion:reduce){.rwu-detail *{scroll-behavior:auto!important;transition:none!important}}
/* V2 - reference composition and readability refinements */
.rwu-detail{background:#f6fbff;font-family:inherit}
.rwu-detail-hero{background:linear-gradient(110deg,#edf8ff 0%,#e9f5ff 55%,#dff1ff 100%)}
.rwu-detail-hero-grid{min-height:295px;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr)}
.rwu-detail-hero-copy{padding:18px 0 24px}
.rwu-detail-hero h1{font-size:clamp(36px,4.1vw,58px);max-width:630px;line-height:1.08}
.rwu-detail-hero-art>img{max-height:325px;object-position:bottom center}
.rwu-detail-hero-benefits{gap:13px 23px}
.rwu-detail-nav-wrap{position:relative;top:auto}
.rwu-detail-nav button{min-height:62px;font-size:15px}
.rwu-detail-wrap{max-width:1390px}
.rwu-detail-body{grid-template-columns:minmax(0,1.72fr) minmax(295px,.82fr);gap:22px;padding-top:23px}
.rwu-detail-card{border-radius:13px;padding:24px;box-shadow:0 3px 13px rgba(13,60,100,.045)}
.rwu-detail-main,.rwu-detail-aside{gap:16px}
.rwu-detail-card h2{font-size:23px;line-height:1.22;margin:0 0 14px}
.rwu-detail-about{align-items:center;gap:16px}
.rwu-detail-course-icon{width:72px;height:72px;flex-basis:72px}
.rwu-detail-about p{font-size:15px;line-height:1.62}
.rwu-detail-stats>div{gap:6px;padding:13px 8px;background:#fbfdff}
.rwu-detail-stats strong{font-size:16px}
.rwu-detail-stats span{font-size:12px}
.rwu-detail-description{margin-top:16px;padding:0}
.rwu-detail-description h3{font-size:14px;margin:0 0 8px;color:#182b58}
.rwu-detail-description p{font-size:14px;line-height:1.72;color:#586f8b;margin:0;overflow-wrap:anywhere;max-height:175px;overflow:auto;padding-right:6px}
.rwu-detail-inline-preview{margin-top:-5px;text-align:right}
.rwu-detail-inline-preview button{background:#edf7ff;border:1px solid #d6eaff;color:#0677dc;border-radius:9px;padding:10px 16px;font-weight:750;font-size:13px;cursor:pointer}
.rwu-detail-inline-preview button:hover{background:#dff0ff}
.rwu-detail-inline-preview i{margin-right:8px}
.rwu-detail-section-short{padding:12px 13px;min-height:68px}
.rwu-detail-section-short small{white-space:normal;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;line-clamp:1;overflow:hidden}
.rwu-detail-section-short em{font-size:12px}
.rwu-detail-section-short strong{font-size:14px}
.rwu-detail-aside .rwu-detail-card{padding:21px}
.rwu-detail-progress>p{font-size:14px}
.rwu-detail-reviews-card>summary{display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;cursor:pointer}
.rwu-detail-reviews-card>summary::-webkit-details-marker{display:none}
.rwu-detail-reviews-card>summary h2{margin:0}
.rwu-detail-reviews-card>summary>span{white-space:nowrap;color:#667f99;font-size:13px}
.rwu-detail-reviews-card>summary>span i{margin-left:8px;transition:transform .2s}
.rwu-detail-reviews-card[open]>summary>span i{transform:rotate(180deg)}
.rwu-detail-reviews-card .rwu-detail-reviews{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.rwu-detail-bottom{padding:26px 0}
.rwu-detail-bottom img{width:125px;height:130px}
.rwu-detail-bottom h2{font-size:25px}
.rwu-detail-more{padding:28px 0}
.rwu-detail-more .rwu-more-courses-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1050px){.rwu-detail-body{grid-template-columns:minmax(0,1.45fr) minmax(260px,.85fr)}.rwu-detail-hero-grid{grid-template-columns:minmax(0,1fr) minmax(320px,.9fr)}.rwu-detail-hero h1{font-size:clamp(34px,4vw,52px)}}
@media(max-width:800px){.rwu-detail-hero-grid{grid-template-columns:1fr}.rwu-detail-body{grid-template-columns:1fr}.rwu-detail-hero-art{max-height:240px}.rwu-detail-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.rwu-detail-more .rwu-more-courses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.rwu-detail-wrap{padding:0 15px}.rwu-detail-hero h1{font-size:34px}.rwu-detail-hero-art>img{max-height:190px}.rwu-detail-card,.rwu-detail-aside .rwu-detail-card{padding:17px}.rwu-detail-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.rwu-detail-aside{grid-template-columns:1fr}.rwu-detail-nav button{font-size:12px;min-height:54px}.rwu-detail-nav button i{display:none}.rwu-detail-more .rwu-more-courses-grid{grid-template-columns:1fr}.rwu-detail-bottom ul{display:none}.rwu-detail-bottom img{width:70px;height:80px}.rwu-detail-section-short em{display:none}}