.ch-global{font-family:system-ui,-apple-system,"Segoe UI","Noto Sans Arabic","Noto Sans Tamil",sans-serif}
.ch-global h1,.ch-global h2,.ch-global h3{font-family:inherit;letter-spacing:-.025em;text-wrap:balance}
.ch-global .ch-brand>span{font-size:15px;letter-spacing:0;max-width:110px}
.ch-global .ch-header-inner{gap:20px}.ch-global .ch-desktop-nav{gap:18px;font-size:13px}.ch-global .ch-header-actions{gap:14px}
.ch-global .ch-hero .ch-programme-title{font-size:clamp(32px,3.5vw,48px);line-height:1.2}
.ch-global .ch-title-final{white-space:normal;overflow-wrap:normal}
.ch-global .ch-hero .ch-lead{font-size:17px;max-width:550px}
.ch-global .ch-detail-grid h1{font-size:clamp(34px,3.5vw,48px);line-height:1.2}
.ch-global .ch-detail-grid .ch-lead{font-size:17px;line-height:1.75!important}
.ch-global .ch-detail-grid .ch-facts{max-width:none}
.ch-global .ch-feature-inner{grid-template-columns:230px 1fr}.ch-global .ch-feature-label strong{font-size:22px;line-height:1.4}
.ch-global .ch-section h2,.ch-global .ch-story h2,.ch-global .ch-ending h2{font-size:30px;line-height:1.3}
.ch-global .ch-course h3{font-size:21px;line-height:1.35}.ch-global .ch-course-copy p{line-height:1.65}
.ch-global .ch-level-overview strong{font-size:16px;line-height:1.5}.ch-global .ch-example-large{font-size:21px;line-height:1.8!important}
.ch-global .ch-curriculum-note{font-size:13px;color:var(--muted);margin-top:22px;max-width:800px}
.ch-global .ch-button{white-space:normal;text-align:center;line-height:1.5}.ch-global .ch-header .ch-button{white-space:nowrap}
.ch-global .ch-facts{gap:8px;row-gap:4px}.ch-global .ch-ending-inner>div{min-width:0}
.ch-global[dir=rtl] .ch-back,.ch-global[dir=rtl] .ch-actions{direction:rtl}
html[dir=rtl] .ch-global .ch-desktop-nav{margin-left:0;margin-right:auto}html[dir=rtl] .ch-global .ch-brand>span{border-left:0;border-right:1px solid #cbd9d7;padding-left:0;padding-right:15px}
html[dir=rtl] .ch-global .ch-story-copy{padding:36px 0 36px 40px}html[dir=rtl] .ch-global .ch-value-list li{border-left:0;border-right:2px solid #b5cf5b;padding-left:0;padding-right:16px}
html[dir=rtl] .ch-global .ch-unit ol{padding-left:0;padding-right:22px}.ch-global li[lang=zh-Hant]{text-align:start;unicode-bidi:isolate}
@media(max-width:1100px){.ch-global .ch-desktop-nav{display:none}.ch-global .ch-mobile-menu{display:block}.ch-global .ch-header-actions{margin-inline-start:auto}.ch-global .ch-detail-grid{grid-template-columns:1fr 1fr;gap:30px}.ch-global .ch-brand>span{max-width:140px}.ch-global .ch-header-inner{justify-content:space-between}.ch-global .ch-mobile-menu nav{position:absolute;inset-inline-end:0;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-global .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}.ch-global .ch-mobile-menu nav a{font-size:14px;min-height:45px;padding:10px 0}}
@media(max-width:760px){.ch-global .ch-header .ch-button{display:none}.ch-global .ch-brand>span{display:none}.ch-global .ch-header-actions{gap:10px}.ch-global .ch-hero .ch-programme-title{font-size:clamp(30px,7.7vw,40px);line-height:1.23}.ch-global .ch-detail-grid{grid-template-columns:1fr;gap:28px}.ch-global .ch-detail-grid h1{font-size:35px;line-height:1.25}.ch-global .ch-hero .ch-lead,.ch-global .ch-detail-grid .ch-lead{font-size:16px}.ch-global .ch-section h2,.ch-global .ch-story h2,.ch-global .ch-ending h2{font-size:26px;line-height:1.4}.ch-global .ch-feature-inner{grid-template-columns:1fr;gap:16px}.ch-global .ch-feature-label strong{display:block;margin:7px 0 0;font-size:22px}.ch-global .ch-course h3{font-size:19px;line-height:1.4}.ch-global .ch-course .ch-course-art img{min-height:175px}.ch-global .ch-course-copy{padding:18px 14px}.ch-global .ch-course-copy p{font-size:14px}.ch-global .ch-example-large{font-size:20px}.ch-global .ch-level-overview{grid-template-columns:1fr}.ch-global .ch-level-overview li{grid-column:auto!important}.ch-global .ch-level-overview strong{font-size:16px}html[dir=rtl] .ch-global .ch-story-copy{padding:28px 24px}.ch-global .ch-gallery--related .ch-course .ch-course-art img{min-height:175px}}
@media(max-width:359px){.ch-global .ch-detail-grid h1{font-size:31px}.ch-global .ch-hero .ch-programme-title{font-size:29px}.ch-global .ch-course h3{font-size:17px}.ch-global .ch-course-copy{padding-inline:12px}.ch-global .ch-gallery--related .ch-course-copy{padding-inline:12px}}
/* Longer localized navigation keeps the brand and primary action clear. */
.ch-global .ch-header .ch-brand>span,.ch-global .ch-header .ch-login{display:none}
.ch-global h1,.ch-global h2,.ch-global h3{overflow-wrap:anywhere;hyphens:auto}
.ch-global .ch-course h3{display:block;position:relative;padding-inline-end:24px;overflow-wrap:anywhere}
.ch-global .ch-course h3>span{position:absolute;inset-inline-end:0;top:0}
.ch-global .ch-hero .ch-lead{text-wrap:balance}
.ch-global a[href^="tel:"],.ch-global a[href^="mailto:"],.ch-global .ch-sounds{direction:ltr;unicode-bidi:isolate}

.ch-global .ch-lesson-translation{display:block;margin-top:4px;color:var(--muted);font-size:14px;line-height:1.7;unicode-bidi:isolate;text-align:start}
.ch-global:lang(ta) .ch-desktop-nav{font-size:12px;gap:12px}
.ch-global:lang(ta) .ch-header-inner{gap:16px}
.ch-global .ch-lesson-translation,.ch-global .ch-unit summary>span:first-child{overflow-wrap:anywhere;hyphens:auto}
/* Whole headlines follow each language's own phrasing and line breaks. */
.ch-global h1{white-space:pre-line;hyphens:none;overflow-wrap:normal}
.ch-global .ch-hero-grid,.ch-global .ch-detail-grid{grid-template-columns:1fr 1.08fr;gap:48px}
.ch-global .ch-hero .ch-programme-title,.ch-global .ch-detail-grid h1{font-size:clamp(36px,4vw,54px);line-height:1.18}
.ch-global .ch-hero .ch-lead,.ch-global .ch-detail-grid .ch-lead{max-width:580px;line-height:1.7!important;text-wrap:pretty}
.ch-global .ch-hero-art img,.ch-global .ch-detail-art img{width:100%;aspect-ratio:3/2;object-fit:cover}
.ch-global .ch-detail-hero{padding-top:28px;padding-bottom:28px}
.ch-global .ch-feature-inner{align-items:start}.ch-global .ch-feature-label{font-size:13px;letter-spacing:.04em}
.ch-global .ch-feature h2{font-size:27px;line-height:1.35;margin-bottom:12px}.ch-global .ch-feature p{line-height:1.8}
.ch-global .ch-section-head>p{max-width:490px;line-height:1.8}
.ch-global .ch-gallery .ch-course{display:block;min-width:0}
.ch-global .ch-gallery .ch-course:nth-child(1),.ch-global .ch-gallery .ch-course:nth-child(2){grid-column:span 3}
.ch-global .ch-gallery .ch-course:nth-child(n+3){grid-column:span 2}
.ch-global .ch-gallery .ch-course-art img{width:100%;height:auto;aspect-ratio:1.65;min-height:0;object-fit:cover}
.ch-global .ch-gallery .ch-course-copy{padding:23px 24px 25px}
.ch-global .ch-gallery .ch-course-copy h3{font-size:22px;margin-bottom:13px;line-height:1.35}
.ch-global .ch-gallery .ch-course-copy p{font-size:15px;line-height:1.7;color:var(--ink);text-wrap:pretty}
.ch-global .ch-gallery .ch-course-copy .ch-course-gain{margin-top:10px;color:var(--muted);font-size:14px}
.ch-global .ch-teaching-section{padding-top:35px;padding-bottom:48px}
.ch-global .ch-fit-section{background:#f5f7ee}
.ch-global .ch-fit-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px}
.ch-global .ch-fit-grid h2{max-width:580px;margin-bottom:20px}
.ch-global .ch-fit-grid p{line-height:1.85;color:var(--muted);max-width:620px}
.ch-global .ch-fit-grid aside{border-inline-start:1px solid var(--line);padding-inline-start:40px}
.ch-global .ch-fit-grid h3{font-size:22px;line-height:1.4;margin-bottom:15px}
.ch-global .ch-fit-grid .ch-text-link{display:inline-flex;margin-top:15px}
.ch-global .ch-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-top:28px}
.ch-global .ch-steps li{display:block;min-width:0}
.ch-global .ch-steps li>span{display:block;font-size:25px;margin-bottom:18px;color:#7b8e42}
.ch-global .ch-steps h3{font-size:20px;line-height:1.4;margin-bottom:13px}
.ch-global .ch-steps p{font-size:15px;line-height:1.8;color:var(--muted)}
.ch-global .ch-trial-next{margin-top:30px}
.ch-global .ch-prepare{margin-top:48px;padding:30px 32px;border-radius:18px;border:1px solid var(--line);background:#fbfcf8}
.ch-global .ch-prepare>h3{font-size:24px;margin-bottom:24px}
.ch-global .ch-prepare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.ch-global .ch-prepare-grid h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.ch-global .ch-prepare-grid p{font-size:14px;line-height:1.85;color:var(--muted)}
.ch-global .ch-prepare>.ch-text-link{display:inline-flex;margin-top:24px}
.ch-global .ch-faq-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.ch-global .ch-faq-group{min-width:0}
.ch-global .ch-faq-group h3{font-size:19px;line-height:1.5;min-height:60px;padding-bottom:18px}
.ch-global .ch-faq-group summary{font-size:15px;line-height:1.6;min-height:85px;align-items:start;padding-block:19px}
.ch-global .ch-faq-group summary>span{flex-shrink:0}
.ch-global .ch-faq-group details>p{font-size:14px;line-height:1.85;padding-bottom:21px}
.ch-global .ch-path-intro{font-size:16px;line-height:1.9;max-width:850px;color:var(--muted);margin-bottom:26px}
.ch-global .ch-pathway-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:16px}
.ch-global .ch-pathway-grid li{padding:24px 22px;border-top:3px solid #b5c774;background:#f6f8f0;min-width:0}
.ch-global .ch-pathway-grid strong{display:block;font-size:20px;line-height:1.4;margin-bottom:12px}
.ch-global .ch-pathway-grid p{font-size:15px;line-height:1.8;color:var(--muted)}
.ch-global .ch-curriculum-note{margin-block:27px 8px;line-height:1.8}
.ch-global .ch-curriculum--choices{grid-template-columns:1.7fr 1fr}
.ch-global .ch-standalone-list{padding-inline-start:22px;margin:22px 0 0;display:grid;gap:17px}
.ch-global .ch-standalone-list li{font-size:15px;line-height:1.7;padding-inline-start:4px}
.ch-global .ch-related-compact{border-top:1px solid var(--line);padding-block:40px}
.ch-global .ch-related-compact h2{font-size:24px;margin-bottom:22px}
.ch-global .ch-related-compact nav{display:flex;flex-wrap:wrap;gap:12px 28px}
.ch-global .ch-related-compact nav a{font-size:15px;line-height:1.7;border-bottom:1px solid #cbd5b5;padding-block:9px}
.ch-global .ch-related-compact>.ch-wrap>.ch-text-link{display:inline-flex;margin-top:23px}
.ch-global .ch-ending-inner>div{max-width:750px}.ch-global .ch-ending h2{margin-bottom:15px}
.ch-global .ch-ending p{font-size:15px;line-height:1.8;color:var(--muted)}
@media(max-width:1100px){.ch-global .ch-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.ch-global .ch-faq-groups{gap:22px}.ch-global .ch-hero-grid,.ch-global .ch-detail-grid{gap:30px}.ch-global .ch-fit-grid{gap:35px}}
@media(max-width:760px){
.ch-global .ch-hero-grid,.ch-global .ch-detail-grid{grid-template-columns:1fr;gap:28px}
.ch-global .ch-hero .ch-programme-title,.ch-global .ch-detail-grid h1{font-size:clamp(31px,8.7vw,42px);line-height:1.22;overflow-wrap:anywhere}
.ch-global .ch-feature h2{font-size:24px}.ch-global .ch-feature-inner{gap:12px}
.ch-global .ch-gallery{grid-template-columns:1fr;gap:18px}
.ch-global .ch-gallery .ch-course,.ch-global .ch-gallery .ch-course:first-child{display:grid;grid-template-columns:38% minmax(0,1fr);grid-column:auto!important}
.ch-global .ch-gallery .ch-course .ch-course-art{height:100%}
.ch-global .ch-gallery .ch-course .ch-course-art img{height:100%;width:100%;aspect-ratio:auto;min-height:180px;object-fit:cover}
.ch-global .ch-gallery .ch-course--stratagems .ch-course-art img{object-position:65% center}
.ch-global .ch-gallery .ch-course-copy{padding:21px 17px}
.ch-global .ch-gallery .ch-course-copy h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.ch-global .ch-gallery .ch-course-copy p{font-size:14px;line-height:1.75}
.ch-global .ch-gallery .ch-course-copy .ch-course-gain{font-size:13px;margin-top:9px}
.ch-global .ch-fit-grid{grid-template-columns:1fr;gap:28px}
.ch-global .ch-fit-grid aside{border-inline-start:0;border-top:1px solid var(--line);padding-inline-start:0;padding-top:25px}
.ch-global .ch-fit-grid h2{margin-bottom:16px}.ch-global .ch-fit-grid h3{font-size:21px}
.ch-global .ch-steps{grid-template-columns:1fr;gap:27px}
.ch-global .ch-steps li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:13px}
.ch-global .ch-steps li>span{font-size:23px;margin:0}.ch-global .ch-steps h3{font-size:20px;margin-bottom:10px}
.ch-global .ch-steps p{font-size:14px;line-height:1.85}
.ch-global .ch-prepare{margin-top:32px;padding:26px 22px}.ch-global .ch-prepare>h3{font-size:22px}
.ch-global .ch-prepare-grid{grid-template-columns:1fr;gap:23px}
.ch-global .ch-faq-groups{grid-template-columns:1fr;gap:32px}.ch-global .ch-faq-group h3{min-height:0;font-size:20px;padding-bottom:9px}
.ch-global .ch-faq-group summary{min-height:64px;font-size:15px}.ch-global .ch-faq-group details>p{font-size:14px}
.ch-global .ch-pathway-grid{grid-template-columns:1fr}.ch-global .ch-pathway-grid li{padding:21px}
.ch-global .ch-curriculum--choices{grid-template-columns:1fr}
.ch-global .ch-related-compact h2{font-size:23px}.ch-global .ch-related-compact nav{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}
.ch-global .ch-related-compact nav a{font-size:14px;overflow-wrap:anywhere}
.ch-global .ch-ending p{font-size:14px}
}
.ch-global .ch-actions .ch-text-link{display:inline-flex;align-items:center;gap:10px;max-width:100%}