/* Light Protostar greens; reading, writing and reasoning for older learners. */
.ch-site{--ink:#28473b;--muted:#64735f;--pale:#eff5e4;--lime:#bdd765;--brand:#b5cf5b;--leaf:#658335;--line:#dfe6d6;margin:0;background:#fff;color:var(--ink);font-family:"PingFang TC","PingFang HK","Microsoft JhengHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.8}
.ch-site *{box-sizing:border-box}.ch-site a{color:inherit;text-decoration:none}.ch-site button,.ch-site summary{font:inherit}.ch-site img{max-width:100%;height:auto;display:block}.ch-site figure,.ch-site p{margin:0}.ch-site h1,.ch-site h2,.ch-site h3{margin:0;font-family:"PingFang TC","PingFang HK","Microsoft JhengHei",sans-serif;letter-spacing:-.035em;line-height:1.35}.ch-site h1{font-size:clamp(42px,4.8vw,66px);font-weight:600}.ch-site h2{font-size:clamp(29px,2.8vw,38px);font-weight:600}.ch-site h3{font-size:23px;font-weight:600}.ch-site h1 span{color:var(--leaf)}.ch-site p{line-height:1.9}.ch-wrap{width:min(1216px,calc(100% - 80px));margin-inline:auto}.ch-site a:focus-visible,.ch-site summary:focus-visible{outline:3px solid #658335;outline-offset:5px;border-radius:5px}.ch-skip{position:fixed;top:-80px;left:20px;padding:12px 20px;background:#fff;z-index:1000}.ch-skip:focus{top:12px}.ch-header{position:sticky;top:0;background:#fffffffa;z-index:50;border-bottom:1px solid 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i{font-style:normal;color:#91a17f}.ch-hero-art{position:relative;margin-right:-32px;align-self:center}.ch-hero-art>img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:22px}.ch-art-caption{position:relative;display:block;text-align:center;font-size:12px;letter-spacing:.1em;color:#718063;margin-top:15px}.ch-section{padding:65px 0;scroll-margin-top:108px}.ch-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:28px}.ch-section-head .ch-eyebrow{margin-bottom:9px}.ch-section-head>p{font-size:14px;color:var(--muted);padding-bottom:5px}.ch-gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:28px 25px}.ch-course{grid-column:span 2;min-width:0;display:block;border-radius:18px;overflow:hidden;transition:transform .2s;background:#f8faf5}.ch-course:hover{transform:translateY(-5px)}.ch-course-art{overflow:hidden}.ch-course-art img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s}.ch-course:hover .ch-course-art img{transform:scale(1.035)}.ch-course-copy{padding:20px 23px 24px}.ch-level-label{font-size:11px;font-weight:600;letter-spacing:.08em;color:#6f7f63;display:block;margin-bottom:6px}.ch-course h3{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.ch-course h3>span{font-size:22px;font-weight:400;color:#718460}.ch-course-copy p{font-size:14px;color:#65755e}.ch-course:nth-child(1),.ch-course:nth-child(2){grid-column:span 3}.ch-course:nth-child(1) .ch-course-art img,.ch-course:nth-child(2) .ch-course-art img{aspect-ratio:3/2;object-position:center}.ch-course--reading{background:#f1f6e8}.ch-course--writing{background:#f1f6e8}.ch-course--pinyin{background:#f1f6e8}.ch-course--idioms{background:#f1f6e8}.ch-course--stratagems{background:#f1f6e8}.ch-story-section{padding:12px 0 45px}.ch-story{background:#f7f6f1;border-radius:28px;display:grid;grid-template-columns:1.15fr 1fr;gap:55px;align-items:center;overflow:hidden}.ch-story figure{height:100%;min-width:0}.ch-story 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0}.ch-faq-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:65px}.ch-faq-layout h2{font-size:30px}.ch-faq details{border-bottom:1px solid #dfe7d4}.ch-faq details:first-child{border-top:1px solid #dfe7d4}.ch-faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:58px;padding:14px 0;font-size:15px;cursor:pointer;list-style:none}.ch-faq details>p{font-size:14px;color:#65755d;margin-bottom:18px}.ch-ending{background:#f1f5e9;padding:46px 0}.ch-ending-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.ch-ending h2{font-size:33px}.ch-ending .ch-eyebrow{margin-bottom:7px}.ch-ending .ch-button{background:var(--lime)}.ch-ending .ch-button:hover{background:#acc955}.ch-footer{padding:32px 0 22px;background:#fff;color:#718064}.ch-footer .ch-brand img{width:145px}.ch-footer .ch-brand>span{font-size:15px}.ch-footer-top{display:flex;align-items:center;justify-content:space-between;gap:28px}.ch-footer 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.ch-actions{margin-top:27px;gap:23px}.ch-detail-grid .ch-facts{font-size:11px;gap:8px;margin-top:24px}.ch-demo{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.ch-demo h2{font-size:31px;max-width:420px;margin-bottom:17px}.ch-demo>div>p{font-size:15px;color:#6e7e62}.ch-example{border:1px solid #dfe7d5;border-radius:20px;background:#fff;padding:28px 32px;min-width:0}.ch-example-large{font-size:24px;line-height:1.9!important;font-family:"Songti TC","Noto Serif TC",serif}.ch-reveal{margin-top:22px;border-top:1px solid var(--line)}.ch-reveal summary{padding:16px 0 0;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;font-size:14px;font-weight:500;cursor:pointer;list-style:none}.ch-reveal>p{font-size:14px;margin-top:18px}.ch-small{font-size:11px!important;color:#7d8f99}.ch-writing-lines{display:flex;flex-direction:column;gap:8px;font-size:22px;font-family:"Songti 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0;font-size:14px;cursor:pointer;min-height:52px;list-style:none}.ch-curriculum{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:15px 0 30px}.ch-level{border:1px solid var(--line);border-radius:14px;padding:25px;align-self:start}.ch-level h3{font-size:21px;margin-bottom:8px}.ch-level header>span{font-size:12px;color:#7a896b}.ch-level>p{font-size:14px;margin:16px 0}.ch-unit{border-top:1px solid var(--line)}.ch-unit summary{display:flex;justify-content:space-between;gap:15px;padding:15px 0;font-size:14px;cursor:pointer;min-height:48px;list-style:none}.ch-unit summary>span:last-child{font-size:11px;color:#7b8a6b;white-space:nowrap}.ch-unit ol{margin:0 0 18px;padding-left:22px}.ch-unit li{font-size:13px;padding:5px 0}.ch-other-courses{background:#fafcf7;padding-top:45px}.ch-other-courses h2{font-size:29px}.ch-gallery--related{grid-template-columns:repeat(4,1fr);gap:20px}.ch-gallery--related .ch-course{grid-column:auto!important}.ch-gallery--related .ch-course-art img{aspect-ratio:3/2!important}.ch-gallery--related .ch-course-copy{padding:17px}.ch-gallery--related .ch-course h3{font-size:20px}.ch-gallery--related .ch-course p{font-size:12px}
@media(min-width:1450px){.ch-hero{padding:75px 0 65px}.ch-hero-art{margin-right:-50px}}
@media(max-width:1100px){.ch-wrap{width:calc(100% - 48px)}.ch-header-inner{gap:20px;min-height:78px}.ch-desktop-nav{gap:18px;font-size:13px}.ch-header-actions{gap:18px}.ch-login{display:none}.ch-brand img{width:145px}.ch-brand>span{font-size:16px;padding-left:12px}.ch-hero-art{margin-right:0}.ch-hero-grid{gap:27px}.ch-site h1{font-size:52px}.ch-hero .ch-lead{font-size:17px}.ch-hero .ch-actions{gap:18px}.ch-story{gap:35px}.ch-story-copy{padding-right:30px}.ch-story-copy h2{font-size:30px}.ch-detail-grid{gap:35px}.ch-detail-grid h1{font-size:40px}.ch-gallery--related{grid-template-columns:1fr 1fr}.ch-gallery--related .ch-course-copy{padding:20px}.ch-demo{gap:35px}.ch-detail-grid .ch-facts{max-width:300px}.ch-course-copy p{font-size:13px}}
@media(max-width:760px){.ch-wrap{width:calc(100% - 40px)}.ch-header-inner{min-height:72px;gap:15px;justify-content:space-between}.ch-brand{gap:10px}.ch-brand img{width:132px}.ch-brand>span{font-size:15px;padding-left:10px}.ch-desktop-nav{display:none}.ch-header-actions{gap:13px}.ch-header .ch-button{font-size:12px;padding:9px 14px;min-height:40px;gap:9px}.ch-header .ch-button>span{font-size:17px}.ch-mobile-menu{display:block;position:relative}.ch-mobile-menu>summary{list-style:none;min-width:38px;min-height:44px;display:grid;place-items:center;cursor:pointer;font-size:23px;line-height:1;color:#657754}.ch-mobile-menu nav{position:absolute;right:-2px;top:54px;width:235px;border:1px solid var(--line);border-radius:16px;padding:14px 20px;background:#fff;box-shadow:0 14px 30px #28473b12;display:flex;flex-direction:column;z-index:60}.ch-mobile-menu nav a{font-size:14px;min-height:45px;padding:10px 0}.ch-hero{padding:35px 0 32px}.ch-hero-grid{grid-template-columns:1fr;gap:29px}.ch-hero-copy{padding-inline:4px}.ch-site h1{font-size:45px;line-height:1.28}.ch-hero h1{margin-bottom:18px}.ch-hero .ch-lead{font-size:16px}.ch-eyebrow{font-size:11px;margin-bottom:13px}.ch-actions{margin-top:23px;gap:22px}.ch-button{padding:13px 22px;min-height:48px;font-size:14px;gap:23px}.ch-text-link{font-size:13px;min-height:44px}.ch-facts{font-size:11px;gap:7px;margin-top:21px}.ch-hero-art{margin:0 -4px}.ch-hero-art>img{border-radius:18px;aspect-ratio:3/2}.ch-art-caption{font-size:10px;margin-top:10px}.ch-section{padding:43px 0;scroll-margin-top:88px}.ch-section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:23px}.ch-section-head>p{font-size:13px}.ch-site h2{font-size:29px}.ch-gallery{grid-template-columns:1fr 1fr;gap:18px 14px}.ch-course{grid-column:auto!important;border-radius:13px}.ch-course:first-child{grid-column:1/-1!important;display:grid;grid-template-columns:1fr 1fr;align-items:center}.ch-course:first-child .ch-course-art{height:100%}.ch-course:first-child .ch-course-art img{height:100%;min-height:165px;aspect-ratio:1;object-position:36%center}.ch-course-copy{padding:15px 14px 18px}.ch-level-label{font-size:10px;margin-bottom:6px}.ch-course h3{font-size:20px;line-height:1.5;gap:5px;margin-bottom:7px}.ch-course h3>span{font-size:17px}.ch-course-copy p{font-size:12px;line-height:1.85}.ch-course-art img,.ch-course:nth-child(1) .ch-course-art img,.ch-course:nth-child(2) .ch-course-art img{aspect-ratio:1.15;object-position:40%center}.ch-story-section{padding:0 0 24px}.ch-story{grid-template-columns:1fr;gap:0;border-radius:20px}.ch-story figure>img{min-height:0;height:auto;aspect-ratio:3/2;object-fit:cover}.ch-story-copy{padding:27px 25px 23px}.ch-story-copy h2{font-size:29px;line-height:1.45;margin-bottom:14px}.ch-story-copy>p{font-size:15px}.ch-story-reveal{margin-top:17px}.ch-story-reveal>summary{font-size:13px}.ch-start{padding:28px 0 36px}.ch-start .ch-section-head{gap:18px}.ch-start h2{font-size:27px}.ch-steps{grid-template-columns:1fr;gap:17px;padding-top:20px}.ch-steps li{gap:16px}.ch-steps li>span{font-size:23px}.ch-steps h3{font-size:18px}.ch-faq-layout{grid-template-columns:1fr;gap:22px}.ch-faq-layout h2{font-size:27px}.ch-faq summary{font-size:14px;min-height:58px}.ch-faq details>p{font-size:13px}.ch-ending{padding:33px 0}.ch-ending-inner{flex-direction:column;align-items:flex-start;gap:21px}.ch-ending h2{font-size:27px}.ch-footer{padding-top:28px}.ch-footer-top{flex-direction:column;align-items:flex-start;gap:17px}.ch-footer .ch-brand img{width:130px}.ch-footer nav{font-size:12px;gap:20px}.ch-footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;font-size:10px;margin-top:15px;padding-top:18px}.ch-footer-bottom>div{gap:12px}.ch-detail-hero{padding:10px 0 30px}.ch-back{font-size:11px;margin-bottom:12px}.ch-detail-grid{grid-template-columns:1fr;gap:25px}.ch-detail-grid h1{font-size:37px;line-height:1.4;margin-bottom:16px}.ch-detail-grid .ch-lead{font-size:15px}.ch-detail-grid .ch-actions{margin-top:22px;gap:20px}.ch-detail-grid .ch-facts{max-width:none;margin-top:21px;font-size:11px;gap:7px}.ch-detail-art img{border-radius:18px}.ch-demo{grid-template-columns:1fr;gap:23px}.ch-demo h2{font-size:27px;line-height:1.5;margin-bottom:12px}.ch-demo>div>p{font-size:14px}.ch-example{padding:24px 22px;border-radius:16px}.ch-example-large{font-size:22px}.ch-reveal summary{font-size:13px}.ch-reveal>p{font-size:13px}.ch-writing-lines{font-size:21px}.ch-sounds{gap:10px}.ch-sounds span{font-size:32px}.ch-level-overview{grid-template-columns:1fr 1fr;gap:12px}.ch-level-overview li{padding:18px 15px;gap:10px}.ch-level-overview strong{font-size:15px}.ch-level-overview span{font-size:11px}.ch-full-curriculum>summary{font-size:13px}.ch-curriculum{grid-template-columns:1fr;gap:18px}.ch-level{padding:22px 18px}.ch-level h3{font-size:20px}.ch-level>p{font-size:13px}.ch-unit summary{font-size:13px;gap:10px}.ch-unit summary>span:first-child{max-width:calc(100% - 50px)}.ch-unit summary>span:last-child{font-size:10px}.ch-unit li{font-size:12px}.ch-gallery--related{grid-template-columns:1fr 1fr;gap:16px 12px}.ch-gallery--related .ch-course:first-child{grid-column:auto!important;display:block}.ch-gallery--related .ch-course-art img{aspect-ratio:1.15!important;min-height:0;height:auto}.ch-gallery--related .ch-course-copy{padding:15px 13px}.ch-gallery--related .ch-course h3{font-size:18px}.ch-gallery--related .ch-course p{font-size:11px}.ch-other-courses h2{font-size:25px}.ch-other-courses .ch-section-head{gap:5px}}
@media(max-width:359px){.ch-wrap{width:calc(100% - 32px)}.ch-brand img{width:113px}.ch-brand>span{font-size:14px}.ch-header .ch-button{font-size:11px;padding:8px 11px;gap:5px}.ch-header-actions{gap:7px}.ch-site h1{font-size:41px}.ch-hero .ch-actions{gap:14px}.ch-hero .ch-button{padding-inline:18px;font-size:13px;gap:17px}.ch-hero .ch-text-link{font-size:12px}.ch-facts{font-size:10px;gap:5px}.ch-course-copy{padding:14px 11px}.ch-course h3{font-size:18px}.ch-course-copy p{font-size:11px}.ch-detail-grid h1{font-size:32px}.ch-level-overview strong{font-size:14px}.ch-gallery--related .ch-course h3{font-size:16px}.ch-sounds span{font-size:28px}}
@media(max-width:359px){.ch-header-inner{gap:10px}.ch-header .ch-brand img{width:108px}.ch-header .ch-button>span{display:none}}
@media(prefers-reduced-motion:reduce){.ch-site *{scroll-behavior:auto!important;transition:none!important;animation:none!important}.ch-course:hover,.ch-button:hover{transform:none}}

.ch-hero .ch-lead{max-width:440px;font-size:16px}.ch-hero h1{font-size:clamp(40px,4.2vw,54px)}.ch-course{border:1px solid #e2e9d7}.ch-course-copy{background:#fff}.ch-art-caption{font-size:12px;letter-spacing:.04em}.ch-hero-art>img,.ch-detail-art img{border:1px solid #dfe7d4}.ch-ending h2{font-size:30px}.ch-course:first-child .ch-course-art img{object-position:center}.ch-example .ch-small:first-child{margin-bottom:18px}.ch-writing-lines strong{font-size:21px;line-height:1.7}@media(max-width:760px){.ch-hero h1{font-size:40px}.ch-hero .ch-lead{font-size:15px}.ch-art-caption{font-size:10px}.ch-ending h2{font-size:26px}.ch-writing-lines strong{font-size:19px}}@media(max-width:359px){.ch-hero h1{font-size:36px}.ch-hero .ch-lead{font-size:14px}}

/* Brand green frames the programme; each illustration keeps its own narrative palette. */
.ch-feature{background:#edf4e1;border-block:1px solid #e4ebd8;padding:28px 0}.ch-feature-inner{display:grid;grid-template-columns:230px 1fr;gap:36px;align-items:center}.ch-feature-label{font-size:12px;color:#75825f;line-height:1.9!important}.ch-feature-label strong{display:block;color:#4e692f;font-size:21px;font-weight:600}.ch-feature h2{font-size:25px;margin-bottom:8px}.ch-feature p:not(.ch-feature-label){font-size:14px;color:#66725b;line-height:1.9}.ch-course--reading,.ch-course--writing,.ch-course--pinyin,.ch-course--idioms,.ch-course--stratagems{background:#fff}.ch-hero .ch-art-caption{color:#7a8175}.ch-story-copy>p{color:#73756c}
@media(max-width:760px){.ch-feature{padding:25px 0}.ch-feature-inner{grid-template-columns:1fr;gap:14px}.ch-feature-label br{display:none}.ch-feature-label strong{display:inline;margin-left:12px;font-size:17px}.ch-feature h2{font-size:23px;line-height:1.5}.ch-feature p:not(.ch-feature-label){font-size:13px}.ch-feature p br{display:none}}

/* Keep the three-line heading typographically unified; emphasize with color only. */
.ch-hero .ch-programme-title{font-size:clamp(34px,4.1vw,56px);line-height:1.36;margin-bottom:24px}.ch-programme-title>.ch-title-line{display:block;color:var(--ink)}.ch-programme-title .ch-title-final{font-size:inherit;line-height:inherit;margin-top:0;white-space:nowrap}.ch-programme-title .ch-title-accent{color:var(--leaf)}
.ch-feature-label .ch-pth-mark{display:inline-flex;align-items:baseline;gap:1px;white-space:nowrap;font-weight:600}.ch-pth-mark .ch-pth-key{font-size:42px;line-height:1.3;color:#4e692f}.ch-pth-mark .ch-pth-rest{font-size:15px;font-weight:400;color:#788568}.ch-feature h2{font-size:25px}

@media(max-width:760px){.ch-hero .ch-programme-title{font-size:clamp(28px,9.2vw,44px);line-height:1.38}.ch-feature-label .ch-pth-mark{display:inline-flex}.ch-pth-mark .ch-pth-key{font-size:35px}.ch-pth-mark .ch-pth-rest{font-size:13px}.ch-feature h2{font-size:23px}}
@media(max-width:359px){.ch-hero .ch-programme-title{font-size:clamp(28px,9.2vw,44px)}.ch-pth-mark .ch-pth-key{font-size:32px}.ch-pth-mark .ch-pth-rest{font-size:12px}}

/* Overview rhythm: one alignment grid, readable course cards, restrained section hierarchy. */
.ch-overview .ch-hero-grid{grid-template-columns:.98fr 1.02fr}.ch-overview .ch-hero-art{margin-right:0}
.ch-overview .ch-section{padding-block:64px}
.ch-overview .ch-section-head{margin-bottom:28px}
.ch-overview .ch-section h2,.ch-overview .ch-story h2,.ch-overview .ch-ending h2{font-size:32px;line-height:1.45}
.ch-overview .ch-course:nth-child(-n+2) .ch-course-art img{aspect-ratio:16/9}
.ch-overview .ch-course h3{font-size:22px;line-height:1.5}
.ch-overview .ch-course-copy{padding:22px 24px 26px}
.ch-overview .ch-level-label{font-size:12px}
.ch-overview .ch-course-copy p{font-size:15px;line-height:1.75;color:#56674f}
.ch-overview .ch-story{grid-template-columns:1fr 1fr;gap:48px}
.ch-overview .ch-story figure>img{min-height:340px;object-position:60% center}
.ch-overview .ch-story-copy{padding:36px 40px 36px 0}
.ch-overview .ch-story-section{padding:0 0 16px}
.ch-overview .ch-steps li>span{font-family:inherit;font-style:normal;font-size:22px;font-weight:500;letter-spacing:0}
.ch-overview .ch-start{padding-top:48px}
.ch-overview .ch-faq-section{background:#f8faf5}
.ch-overview .ch-ending{padding-block:48px;background:#edf4e1}
@media(max-width:760px){
 .ch-overview .ch-hero-grid{grid-template-columns:1fr}.ch-overview .ch-hero-copy{padding-inline:0}
 .ch-overview .ch-hero-art{margin-inline:0}
 .ch-overview .ch-section{padding-block:48px}
 .ch-overview .ch-section-head{gap:12px;margin-bottom:24px}
 .ch-overview .ch-section h2,.ch-overview .ch-story h2,.ch-overview .ch-ending h2{font-size:26px;line-height:1.5}
 .ch-overview .ch-gallery{grid-template-columns:1fr;gap:16px}
 .ch-overview .ch-course,.ch-overview .ch-course:first-child{display:grid;grid-template-columns:42% 58%;align-items:stretch;grid-column:auto!important;border-radius:16px}
 .ch-overview .ch-course .ch-course-art{height:100%}
 .ch-overview .ch-course .ch-course-art img{width:100%;height:100%;min-height:156px;aspect-ratio:auto;object-position:center}
 .ch-overview .ch-course--stratagems .ch-course-art img{object-position:66% center}
 .ch-overview .ch-course--writing .ch-course-art img{object-position:38% center}
 .ch-overview .ch-course-copy{padding:19px 16px;align-self:center}
 .ch-overview .ch-course h3{font-size:20px;line-height:1.5;margin-bottom:6px}
 .ch-overview .ch-level-label{font-size:11px;margin-bottom:5px}
 .ch-overview .ch-course-copy p{font-size:14px;line-height:1.75;text-wrap:balance}
 .ch-overview .ch-story{grid-template-columns:1fr;gap:0}
 .ch-overview .ch-story figure>img{min-height:0;height:auto;aspect-ratio:16/9;object-position:60% center}
 .ch-overview .ch-story-copy{padding:28px 24px}
 .ch-overview .ch-story-section{padding-bottom:0}
 .ch-overview .ch-start{padding-top:48px}
 .ch-overview .ch-ending{padding-block:40px}
}

/* Course details share the overview scale while preserving each lesson example. */
.ch-detail .ch-section{padding-block:64px}
.ch-detail .ch-section h2,.ch-detail .ch-ending h2{font-size:32px;line-height:1.45;text-wrap:balance}
.ch-detail .ch-detail-grid .ch-lead{text-wrap:balance}
.ch-detail .ch-demo{gap:56px}
.ch-detail .ch-demo h2{max-width:none}
.ch-detail .ch-example-large,.ch-detail .ch-writing-lines{font-family:inherit;letter-spacing:0;color:var(--ink)}
.ch-detail .ch-example .ch-small{font-size:12px!important;color:var(--muted)}
.ch-detail .ch-level-overview{grid-template-columns:repeat(auto-fit,minmax(0,1fr))}
.ch-detail .ch-level-overview li:only-child{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
.ch-detail .ch-level-overview strong{font-size:18px}
.ch-detail .ch-level>p{font-size:15px}
.ch-detail .ch-unit summary{font-size:15px}
.ch-detail .ch-unit li{font-size:14px}
.ch-detail .ch-gallery--related .ch-course-copy{padding:22px 20px 24px}
.ch-detail .ch-gallery--related .ch-course h3{font-size:22px;line-height:1.5}
.ch-detail .ch-gallery--related .ch-level-label{font-size:12px}
.ch-detail .ch-gallery--related .ch-course-copy p{font-size:15px;line-height:1.75;color:#56674f;text-wrap:balance}
.ch-detail .ch-ending{padding-block:48px;background:#edf4e1}
@media(max-width:760px){
 .ch-detail .ch-section{padding-block:48px}
 .ch-detail .ch-section h2,.ch-detail .ch-ending h2{font-size:26px;line-height:1.5}
 .ch-detail .ch-demo{gap:24px}
 .ch-detail .ch-level-overview{grid-template-columns:1fr 1fr}
 .ch-detail .ch-level-overview li:last-child:nth-child(odd){grid-column:1/-1}
 .ch-detail .ch-level-overview strong{font-size:15px}
 .ch-detail .ch-unit summary{font-size:14px}
 .ch-detail .ch-unit summary>span:last-child{font-size:12px}
 .ch-detail .ch-unit summary>span:first-child{max-width:calc(100% - 55px)}
 .ch-detail .ch-gallery--related{grid-template-columns:1fr;gap:16px}
 .ch-detail .ch-gallery--related .ch-course{display:grid;grid-template-columns:42% 58%;align-items:stretch;border-radius:16px}
 .ch-detail .ch-gallery--related .ch-course .ch-course-art{height:100%}
 .ch-detail .ch-gallery--related .ch-course .ch-course-art img{width:100%;height:100%;min-height:156px;aspect-ratio:auto!important;object-position:center}
 .ch-detail .ch-gallery--related .ch-course--stratagems .ch-course-art img{object-position:66% center}
 .ch-detail .ch-gallery--related .ch-course--writing .ch-course-art img{object-position:38% center}
 .ch-detail .ch-gallery--related .ch-course-copy{padding:19px 16px;align-self:center}
 .ch-detail .ch-gallery--related .ch-course h3{font-size:20px;margin-bottom:6px}
 .ch-detail .ch-gallery--related .ch-level-label{font-size:11px;margin-bottom:5px}
 .ch-detail .ch-gallery--related .ch-course-copy p{font-size:14px}
 .ch-detail .ch-ending{padding-block:40px}
}

/* Buying reasons stay beside the worked example, with the course route below. */
.ch-detail .ch-value-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:18px}
.ch-detail .ch-value-list li{display:grid;gap:5px;border-left:2px solid #b5cf5b;padding-left:16px}
.ch-detail .ch-value-list strong{font-size:17px;font-weight:600;line-height:1.5}
.ch-detail .ch-value-list span{font-size:14px;color:var(--muted);line-height:1.85}
.ch-detail .ch-course-fit{font-size:15px;color:var(--muted);max-width:780px;margin:-4px 0 24px}
@media(max-width:760px){.ch-detail .ch-value-list{margin-top:22px;gap:16px}.ch-detail .ch-value-list strong{font-size:16px}.ch-detail .ch-course-fit{font-size:14px;margin:0 0 22px}}

.ch-detail h2 .ch-phrase{display:inline-block}