/* Shared public design system. Customer brand pages keep their own palette. */
.yg-shell-header{font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:#fff;color:#110925;border-bottom:1px solid #e8e4ed;position:sticky;top:0;z-index:40;width:100%}
.yg-shell-inner{max-width:1328px;margin:auto;padding:0 24px;min-height:80px;display:flex;align-items:center;gap:28px;position:relative}
.yg-shell-brand{display:flex;align-items:center;gap:11px;color:#110925;text-decoration:none;flex-shrink:0;font-size:18px;font-weight:750;line-height:1.3}
.yg-shell-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#110925;color:#ed1766}.yg-shell-mark svg{width:27px;height:27px}
.yg-shell-brand small{display:block;margin-top:5px;font-size:8px;letter-spacing:1.7px;font-weight:600;color:#625573}
.yg-shell-nav{display:flex;align-items:center;gap:21px;margin-left:auto}.yg-shell-nav a{font-size:14px;font-weight:600;padding:26px 0;text-decoration:none;color:#33283f;white-space:nowrap;position:relative}
.yg-shell-nav a[aria-current],.yg-shell-nav a:hover{color:#d80650}.yg-shell-nav a[aria-current]:after{content:'';height:2px;background:#d80650;position:absolute;bottom:16px;left:0;right:0}
.yg-shell-cta{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:#d80650;color:#fff!important;padding:12px 16px;min-height:44px;white-space:nowrap;font-size:13px;font-weight:650;text-decoration:none}
.yg-shell-menu{display:none;margin:0;padding:0;border:0}.yg-shell-menu summary{margin:0;list-style:none;display:flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;padding:9px;border:1px solid #e8e4ed;border-radius:9px;cursor:pointer;font-size:13px}.yg-shell-menu summary::-webkit-details-marker{display:none}.yg-shell-menu summary svg{width:21px;height:21px}.yg-shell-menu nav{position:absolute;right:24px;top:calc(100% + 8px);width:300px;max-width:calc(100vw - 32px);display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#fff;padding:12px;border:1px solid #e8e4ed;border-radius:14px;box-shadow:0 16px 50px #11092526;max-height:70vh;overflow:auto}.yg-shell-menu nav a{padding:13px 10px;font-size:14px;color:#33283f;text-decoration:none;border-radius:8px}.yg-shell-menu nav a[aria-current]{background:#fff0f5;color:#c80649}.yg-shell-menu nav a:hover{background:#f6f3f9}
.yg-shell-header a:focus-visible,.yg-shell-header summary:focus-visible{outline:3px solid #d80650;outline-offset:4px}
@media(max-width:1250px){.yg-shell-inner{gap:12px;padding-left:18px;padding-right:18px}.yg-shell-nav{gap:10px}.yg-shell-nav a{font-size:12px}.yg-shell-brand{font-size:15px;gap:9px}.yg-shell-brand small{font-size:7px;letter-spacing:1.25px}.yg-shell-mark{width:38px;height:38px}.yg-shell-cta{padding:10px 13px;font-size:12px}}
@media(max-width:900px){.yg-shell-nav{display:none}.yg-shell-menu{display:block}.yg-shell-cta{margin-left:auto}.yg-shell-inner{min-height:76px}}
@media(max-width:480px){.yg-shell-inner{padding:0 16px;gap:10px;min-height:72px}.yg-shell-brand{font-size:15px;gap:8px}.yg-shell-brand small{font-size:6px;letter-spacing:1.2px}.yg-shell-mark{width:34px;height:34px;border-radius:9px}.yg-shell-mark svg{width:24px;height:24px}.yg-shell-cta{padding:10px 12px;font-size:12px}.yg-shell-menu summary span{display:none}.yg-shell-menu nav{right:16px}}
/* Readable product preview: no overlapping miniature forms. */
.product-hero .hero-inner{gap:20px 48px;grid-template-columns:1fr 1.06fr}.platform-visual{min-height:0!important;padding:0!important;position:relative;align-self:center;width:100%;max-width:none}.visual-browser{margin:0!important;border-radius:14px;box-shadow:0 20px 55px #0003}.visual-browser .browser-bar{padding:12px 16px;font-size:12px}.visual-browser img{display:block;width:100%;height:auto!important;aspect-ratio:1.44;object-fit:contain;object-position:top;background:#fff}.visual-capabilities{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}.visual-feature{display:flex;align-items:center;gap:12px;background:#ffffff0a;border:1px solid #ffffff26;border-radius:11px;padding:13px 16px;color:#fff;text-decoration:none}.visual-feature-icon{display:grid;place-items:center;color:#ff81ac;background:#ffffff0a;padding:8px;border-radius:9px}.visual-feature-icon svg{width:23px;height:23px}.visual-feature strong{display:block;font-size:15px;line-height:1.5}.visual-feature small{display:block;font-size:12px;color:#cfc5df;margin-top:3px}.visual-caption{position:static!important;margin:12px 0 0!important;font-size:11px!important;line-height:1.6;color:#cfc5df!important;max-width:none!important}.visual-feature:hover{border-color:#ff81ac;background:#ffffff12}
.enterprise-hero-grid,.course-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.enterprise-hero.page-hero,.course-hero.page-hero{padding:52px 0}.enterprise-hero h1{font-size:clamp(34px,3.5vw,50px)!important}.enterprise-hero .platform-visual{margin:0!important}.enterprise-hero p{max-width:510px}.enterprise-guide-link{display:inline-block;margin-top:20px;font-size:13px;color:#dfd5ef}.course-hero h1{font-size:clamp(34px,3.7vw,52px)}.course-hero .breadcrumbs{margin-bottom:22px}.course-hero .course-detail-art{margin:0;align-self:center;border:1px solid #ffffff30;background:#ffffff0a;border-radius:14px;overflow:hidden}.course-hero .course-detail-art img{width:100%;height:auto;display:block;aspect-ratio:1.5;object-fit:contain}.course-hero .course-detail-art figcaption{color:#d9cee5;background:transparent;padding:10px 14px;font-size:11px}.course-hero-outcome{font-size:14px!important;color:#d9cee5!important;border-top:1px solid #ffffff26;padding-top:18px;margin-top:24px!important;line-height:1.8!important}.course-hero-outcome span{display:block;font-size:11px;color:#ff81ac;margin-bottom:5px}.enterprise-subnav{padding-top:18px;padding-bottom:18px;gap:12px;flex-wrap:wrap}.enterprise-subnav a{border:1px solid #e8e4ed;border-radius:8px;padding:10px 14px;font-size:13px}
/* Course progression and grouped assets. */
.course-roadmap,.curriculum>details,.course-materials{scroll-margin-top:100px}.course-unit-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:24px 0}.course-unit-nav a{display:flex;align-items:flex-start;gap:9px;padding:11px 12px;border:1px solid #e8e4ed;border-radius:9px;font-size:13px;line-height:1.5;text-decoration:none;background:#faf9fc}.course-unit-nav a span{font-size:11px;color:#d80650;font-weight:700;flex-shrink:0;line-height:20px}.course-unit-nav a:hover{border-color:#d80650;background:#fff5f8}.curriculum-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0}.curriculum-actions p{font-size:12px!important;margin:0!important}.course-expand-all{border:1px solid #dbd3e4;background:#fff;color:#6a536d;border-radius:8px;padding:9px 12px;font:inherit;font-size:12px;cursor:pointer;min-height:40px}.course-roadmap .curriculum>details{border:1px solid #e8e4ed;border-radius:12px;padding:0;margin:12px 0;background:#fff;overflow:hidden}.course-roadmap .curriculum>details>summary{list-style:none;display:flex;align-items:flex-start;gap:12px;position:relative;padding:20px;margin:0;font-size:16px;line-height:1.5;background:#faf9fc}.course-roadmap .curriculum>details>summary::-webkit-details-marker{display:none}.unit-number{font-size:12px;font-weight:700;display:grid;place-items:center;min-width:34px;height:34px;color:#c80649;background:#fff0f5;border-radius:9px;flex-shrink:0}.unit-summary{flex:1;min-width:0}.unit-summary strong{display:block;font-size:16px}.unit-summary small{display:block;font-size:12px;font-weight:400;color:#776b83;margin-top:5px;line-height:1.7}.unit-chevron{font-size:20px;font-weight:400;color:#9d86ad;margin-left:auto}.curriculum>details[open]>.unit-chevron{transform:rotate(45deg)}.course-roadmap .curriculum>details[open]>summary{background:#f8f3fa;border-bottom:1px solid #e8e4ed}.course-roadmap .curriculum>details[open]>summary .unit-chevron{transform:rotate(45deg)}.course-roadmap .lesson-detail{padding:18px 24px;margin:0;gap:10px 20px}.course-roadmap .lesson-detail dt{font-size:13px;color:#675073}.course-roadmap .lesson-detail dd{font-size:14px;line-height:1.85;overflow-wrap:anywhere}.course-roadmap .lesson-detail dd ol,.course-roadmap .lesson-detail dd ul{padding-left:20px;margin:6px 0}.course-roadmap .lesson-detail dd li{margin-bottom:8px}.course-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}.course-resource-grid>a{display:flex;align-items:center;gap:12px;border:1px solid #e8e4ed;border-radius:9px;background:#faf9fc;padding:13px;text-decoration:none;min-width:0}.course-resource-grid strong{font-size:13px;line-height:1.65;font-weight:550;flex:1;overflow-wrap:anywhere}.resource-type{font:10px monospace;background:#ede7f3;padding:6px;border-radius:5px;color:#715b82}.course-process-section .visual-zoom img{max-height:400px;object-fit:contain;background:#faf8fd}.course-materials figure{margin:20px 0}.course-materials figcaption{font-size:12px;color:#776b83;padding:10px 0}.course-materials>p{font-size:14px}
/* Tool and prompt surfaces share the public palette and usable forms. */
.hub-public{background:#f7f6fa;color:#231b32;font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif}.hub-public .hub-wrap{max-width:1280px;padding:0 24px;margin:auto}.hub-public .directory-intro{padding:38px 0 26px;margin:0;background:none!important}.hub-public .directory-intro h1{font-size:clamp(30px,3.4vw,48px);line-height:1.2;max-width:900px;margin:14px 0}.hub-public .directory-intro h1 br{display:none}.hub-public .directory-intro>p:not(.eyebrow){max-width:850px;line-height:1.8;font-size:15px}.hub-public .directory-intro .hub-actions{margin:18px 0;gap:18px}.hub-public .directory-stats{margin:20px 0 0}.hub-public .eyebrow{color:#c80649}.hub-public .hub-button,.hub-public .hub-button:visited{background:#d80650;color:#fff;border-color:#d80650;border-radius:9px}.hub-public .hub-button:hover{background:#bd0545}.hub-public .hub-footer{border-top:1px solid #e8e4ed;padding:30px 24px;line-height:1.8;color:#776b83}.hub-public input:not([type=checkbox]):not([type=radio]),.hub-public select,.hub-public textarea{font:inherit;color:#231b32;border:1px solid #dcd5e5;background:#fff;border-radius:9px;padding:11px 13px;max-width:100%;min-height:44px}.hub-public select{width:100%}.hub-public textarea{width:100%;line-height:1.8;resize:vertical}.hub-public input:focus,.hub-public select:focus,.hub-public textarea:focus{outline:2px solid #d80650;outline-offset:2px}.hub-public button{min-height:40px}.hub-public a:focus-visible,.hub-public button:focus-visible{outline:3px solid #d80650;outline-offset:3px}
.hub-public .directory-controls{background:#fff;border:1px solid #e8e4ed;border-radius:14px;padding:20px;margin:0 0 22px;scroll-margin-top:96px}.directory-controls .hub-search{display:flex;align-items:center;gap:18px;margin:0;font-size:13px;font-weight:600}.directory-controls .hub-search input{flex:1;width:100%;max-width:none}.directory-quick-goals{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.directory-quick-goals button{border:1px solid #e8e4ed;border-radius:8px;padding:9px 12px;background:#faf9fc;font-size:12px;color:#675073;cursor:pointer}.directory-quick-goals button.active,.directory-goals button.active,.directory-filters button.active{background:#110925!important;color:#fff!important;border-color:#110925!important}.directory-refine{border-top:1px solid #eee8f3;padding-top:12px;margin-top:12px}.directory-refine summary{cursor:pointer;list-style:none;font-size:13px;color:#786481;font-weight:500;min-height:36px;display:flex;align-items:center;gap:10px}.directory-refine summary::before{content:'＋';font-size:18px;color:#d80650}.directory-refine[open] summary::before{content:'−'}.directory-refine .goal-label{font-size:12px;margin-top:16px}.directory-refine summary::-webkit-details-marker{display:none}.directory-controls #directory-count{margin:12px 0 0;font-size:12px}.scenario-filters-more{padding:0;margin:0;border:0}.scenario-filters-more summary{font-size:13px;color:#786481;cursor:pointer;min-height:40px}.scenario-more-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.hub-public .scenario-filters{display:grid;grid-template-columns:1fr 2fr auto auto;gap:16px;align-items:end}.scenario-filters label{display:grid;gap:8px;font-size:13px}.scenario-filters .hub-button{min-height:44px}.hub-public .directory-grid{gap:20px}.hub-public .directory-card{border:1px solid #e8e4ed;border-radius:14px;box-shadow:none}.hub-public .directory-card:hover{border-color:#cdb8dc;box-shadow:0 10px 28px #11092508}.hub-public .tool-card-actions{gap:12px;flex-wrap:wrap}.hub-public .tool-card-actions a{font-size:13px;color:#a90842}.hub-public .directory-detail{gap:24px}.hub-public .guide-aside{align-self:start}.prompt-v5 .hub-wrap>.prompt-home,.prompt-v5 .prompt-hero{padding-top:36px}.prompt-v5 h1{font-size:clamp(30px,3.4vw,46px);line-height:1.3}.prompt-v5 .pi-domain-card{box-shadow:none}.prompt-v5 button[type=submit],.prompt-v5 .pi-search button{background:#d80650;color:#fff}.prompt-v5 .pi-task-card,.prompt-v5 .pi-domain-card{border-color:#e8e4ed}.prompt-v5 .pi-task-card a{color:#c80649}
@media(max-width:1000px){.product-hero .hero-inner{grid-template-columns:1fr}.product-hero .hero-inner>div.platform-visual{grid-column:1;grid-row:auto;max-width:680px;margin-top:12px}.enterprise-hero-grid,.course-hero-grid{gap:28px}.enterprise-hero-grid .platform-visual{min-width:0}.enterprise-hero h1{font-size:34px!important}.course-hero .row,.enterprise-hero .row{gap:10px}.hub-public .scenario-filters{grid-template-columns:1fr auto}.scenario-filters-more{grid-column:1/-1;grid-row:2}}
@media(max-width:720px){.enterprise-hero-grid,.course-hero-grid{grid-template-columns:1fr}.enterprise-hero.page-hero,.course-hero.page-hero{padding:32px 0}.course-hero .course-detail-art{max-width:600px}.course-hero .breadcrumbs{margin-bottom:18px}.course-hero h1{font-size:34px}.enterprise-hero .platform-visual{max-width:600px}.course-unit-nav{grid-template-columns:1fr 1fr}.course-unit-nav a{font-size:12px;padding:10px}.course-resource-grid{grid-template-columns:1fr}.course-roadmap .lesson-detail{display:block;padding:18px}.course-roadmap .lesson-detail dt{margin-top:20px;font-weight:700}.course-roadmap .lesson-detail dt:first-child{margin-top:0}.course-roadmap .lesson-detail dd{margin:7px 0 0}.course-roadmap .curriculum>details>summary{padding:16px;gap:10px}.unit-summary strong{font-size:15px}.course-process-section .visual-zoom img{max-height:none}.hub-public .hub-wrap{padding:0 18px}.hub-public .directory-controls{padding:16px}.directory-controls .hub-search{display:grid;gap:8px}.directory-quick-goals{gap:6px}.directory-quick-goals button{padding:8px 11px;font-size:12px}.hub-public .directory-intro{padding:28px 0 20px}.hub-public .directory-intro h1{font-size:32px}.hub-public .directory-intro .hub-actions{margin:14px 0}.hub-public .directory-intro .hub-actions>a{font-size:13px}.hub-public .directory-intro .directory-stats{font-size:11px;margin-top:14px;gap:12px}.hub-public .directory-detail{display:block}.hub-public .guide-aside{margin-top:20px}.hub-public .scenario-filters{grid-template-columns:1fr auto;gap:12px}.scenario-more-fields{grid-template-columns:1fr}.hub-public .scenario-filters>a{grid-column:1/-1}.hub-public .directory-panel{padding:20px}.visual-feature{padding:12px}.visual-feature strong{font-size:14px}.visual-feature small{font-size:12px}.visual-caption{font-size:10px!important}.browser-bar span{font-size:10px}.hero.product-hero{padding-top:36px;padding-bottom:36px}.product-hero .hero-inner{gap:18px}.product-hero .hero-foot{margin-top:8px}.course-hero-outcome{margin-top:18px!important}.enterprise-subnav{gap:8px}.enterprise-subnav a{font-size:12px;padding:9px 11px}.prompt-v5 h1{font-size:30px}.prompt-v5 .pi-task-card{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.yg-shell-header,.course-expand-all,.course-unit-nav{display:none}.course-roadmap .curriculum>details{break-inside:avoid}.course-roadmap .curriculum>details::details-content{content-visibility:visible!important}}
/* Keep the headline and actions together rather than spreading them over grid rows. */
.product-hero .hero-inner>.hero-copy{grid-column:1;grid-row:1}.product-hero .hero-inner>div.platform-visual{grid-column:2;grid-row:1}.hero-copy .eyebrow{margin-bottom:24px}.product-hero .hero-copy .lead{margin-top:24px;line-height:1.85}.product-hero .hero-copy .row{margin-top:28px}.product-hero .hero-copy .hero-foot{margin-top:28px;gap:22px}.product-hero .hero-inner{padding:56px 0}.product-hero .visual-browser img,.enterprise-hero .visual-browser img{aspect-ratio:1.72;object-fit:cover;object-position:top}.enterprise-hero-grid>div:first-child{align-self:center}.enterprise-hero-grid .visual-capabilities{grid-template-columns:1fr 1fr}.enterprise-hero-grid .visual-feature{align-items:flex-start;gap:9px;padding:14px 12px}.enterprise-hero-grid .visual-feature-icon{padding:5px}.enterprise-hero-grid .visual-feature strong{font-size:13px}.enterprise-hero-grid .visual-feature small{font-size:11px}.hero.product-hero{min-height:0}
@media(max-width:1000px){.product-hero .hero-inner>div.platform-visual{grid-column:1;grid-row:2}.product-hero .hero-inner{padding:40px 0}.enterprise-hero-grid .visual-capabilities{grid-template-columns:1fr}.enterprise-hero-grid .visual-feature strong{font-size:14px}}
@media(max-width:720px){.product-hero .hero-inner{padding:0}.hero.product-hero{padding:34px 0}.hero-copy .eyebrow{margin-bottom:18px}.product-hero .hero-copy .lead{margin-top:20px;font-size:15px}.product-hero .hero-copy .row{margin-top:24px}.product-hero .hero-copy .hero-foot{margin-top:22px;gap:15px}.enterprise-hero-grid .visual-capabilities{grid-template-columns:1fr 1fr}.enterprise-hero-grid .visual-feature-icon{display:none}.enterprise-hero-grid .visual-feature strong{font-size:13px}}
.prompt-v5{--accent:#b50949;--ink:#231b32;--muted:#776b83;--line:#e8e4ed;background:#f7f6fa}.prompt-v5 .yg-shell-brand{color:#110925}.prompt-v5 .yg-shell-brand small{color:#625573}.hub-public .scenario-filters .hub-button{border:1px solid #d80650;font:inherit;font-size:14px;cursor:pointer;box-shadow:none}.hub-public .directory-panel>a,.hub-public .directory-panel h2>a{color:#b50949}
/* Platform case centre is branded; individual customer templates remain distinct. */
.yg-case-center{--brand:#d80650;--ink:#231b32;background:#f7f6fa;max-width:1280px}.yg-case-center .v-intro{padding:40px 0 28px;max-width:1000px}.yg-case-center .v-intro h1{font-size:clamp(32px,3.4vw,52px);font-weight:700;line-height:1.2;margin:20px 0}.yg-case-center .v-intro h1 br{display:none}.yg-case-center .v-intro p{font-size:15px;max-width:850px;line-height:1.8;margin:18px 0}.yg-case-center .cx-actions{margin:20px 0}.yg-case-center .cx-path{padding:20px 0;margin-bottom:24px}.yg-case-center .v-case{border:1px solid #e8e4ed;box-shadow:none}.yg-case-center .v-case>div{padding:24px}.yg-case-center .v-case h2{font-size:23px;font-weight:650}.yg-case-center .v-kicker,.yg-case-center .cx-link,.yg-case-center .cx-card-actions a,.yg-case-center .cx-path b{color:#b50949}.yg-case-center .v-button{background:#d80650;color:#fff}.yg-case-center .cx-callout{background:#fff0f5;border-color:#efccd9}.yg-case-center .v-case-grid{gap:24px}.yg-shell-header:has(+.yg-case-center){background:#fff}
@media(max-width:900px){.course-hero+.section .content-grid{grid-template-columns:1fr}.course-hero+.section .side-panel{position:static}.course-hero+.section .side-panel .facts{display:grid;grid-template-columns:1fr 2fr;column-gap:20px;row-gap:10px}.course-hero+.section .side-panel .facts dt,.course-hero+.section .side-panel .facts dd{margin:0}.course-hero+.section .side-panel .button{width:auto;margin-right:10px}}
@media(max-width:720px){.yg-case-center{padding:0 18px}.yg-case-center .v-intro{padding:28px 0 20px}.yg-case-center .v-intro h1{font-size:32px}.yg-case-center .cx-path{gap:10px;font-size:12px;padding:16px 0}.yg-case-center .v-case-grid{gap:20px}.course-unit-nav{grid-template-columns:1fr}.course-unit-nav a{padding:10px 12px}.course-hero+.section .side-panel .button{width:100%}}

/* Home hero: restore the three-layer website, customer-service and workbench preview. */
.product-hero .platform-visual{min-height:510px!important;padding:0 0 70px!important}.product-hero .visual-browser{margin-right:60px!important}.product-hero .visual-browser img{width:100%;height:290px!important;aspect-ratio:auto;object-fit:cover;object-position:top}.product-hero .visual-chat,.product-hero .visual-workbench{display:block}.product-hero .visual-caption{position:absolute!important;bottom:0;left:22px;margin:0!important}
@media(max-width:1000px){.product-hero .platform-visual{min-height:460px!important;margin-top:16px}.product-hero .visual-browser{margin-right:60px!important}}
@media(max-width:600px){.product-hero .platform-visual{min-height:370px!important;padding-bottom:60px!important}.product-hero .visual-browser{margin-right:30px!important}.product-hero .visual-browser img{height:210px!important}.product-hero .visual-caption{left:8px}}

/* Unit-specific external learning, paired with the existing practice path. */
.self-study-guide{margin:24px 0;padding:20px 22px;background:#f6f2ff;border:1px solid #dfd3f4;border-radius:12px}.self-study-guide strong{font-size:18px;color:#241238}.self-study-guide p{margin:8px 0;font-size:14px;line-height:1.8}.self-study-guide>span{font-size:12px;color:#71637c}.learning-scenario{font-weight:600;color:#352744;line-height:1.8;margin:0 0 12px}.lesson-learning-card{padding:18px;border:1px solid #e6dfed;border-radius:12px;background:#fff;min-width:0}.lesson-learning-card.is-primary{border-color:#d9c8ea;background:#fcfaff}.learning-resource-meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px;color:#75677f}.learning-resource-meta span:first-child{color:#a70848;font-weight:650}.lesson-learning-card h4{font-size:16px;margin:10px 0 8px;line-height:1.6}.lesson-learning-card h4 a{color:#241238;text-decoration:none}.lesson-learning-card p{font-size:14px;line-height:1.85;margin:0 0 12px;overflow-wrap:anywhere}.learning-open{font-size:13px;font-weight:650;color:#bc084b}.lesson-learning-more{margin-top:12px;border:0!important;background:transparent!important;padding:0!important}.lesson-learning-more>summary{font-size:14px!important;display:list-item!important;list-style:revert!important;padding:10px 0!important;cursor:pointer;color:#6a477f}.lesson-learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}.learning-note{font-size:11px!important;color:#81738b!important;line-height:1.7!important;margin:12px 0 0!important}.lesson-learning-block a:focus-visible{outline:3px solid #d80650;outline-offset:4px}@media(max-width:600px){.lesson-learning-grid{grid-template-columns:1fr}.lesson-learning-card{padding:15px}.self-study-guide{padding:17px}}
/* Course units have explicit numbering; resource disclosures must not increment it. */
.course-roadmap .curriculum summary::before,.course-roadmap .curriculum summary::after{content:none;counter-increment:none}
.course-roadmap .curriculum .lesson-learning-more>summary{list-style:disclosure-closed;display:list-item;padding:12px 0;cursor:pointer;color:#7554a8;font-size:13px}
.course-roadmap .curriculum .lesson-learning-more[open]>summary{list-style:disclosure-open}
.course-roadmap .curriculum .lesson-learning-block p{padding:0;margin:8px 0 12px}

.learning-section-label{font-size:12px;font-weight:700;color:#bd0650;margin:16px 0 10px}.chinese-learning-grid{margin:0 0 16px}.original-learning{margin-top:16px}
.course-roadmap .curriculum>details>summary::before,.course-roadmap .curriculum>details>summary::after,.course-roadmap .curriculum .lesson-learning-more>summary::before,.course-roadmap .curriculum .lesson-learning-more>summary::after{content:none;counter-increment:none}

.course-roadmap .lesson-learning-card .learning-resource-note{font-size:12px;line-height:1.7;color:#735f40;background:#faf6ed;padding:9px 11px;border-radius:6px;margin:10px 0}

/* Course learning layout: tutorial -> practice -> review. Scoped to courses. */
.course-content{padding:48px 0}.course-content-grid{grid-template-columns:minmax(0,1fr) 280px;gap:28px}.course-content-grid .stack{gap:20px}.course-overview h2,.course-roadmap h2{font-size:28px;line-height:1.35}.course-content .eyebrow{font-size:12px;margin-bottom:14px}.course-case-intro{margin:12px 0 22px}.course-fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.course-fit-grid h3{font-size:14px;margin:0 0 6px;color:#33283f}.course-fit-grid p{font-size:14px;line-height:1.8}.course-overview-more{margin-top:20px;border-top:1px solid #eee8f3;padding-top:14px}.course-overview-more summary,.course-directory summary,.course-extra>summary{cursor:pointer;font-size:14px;font-weight:600;color:#554065}.course-overview-more .list-check{margin-top:12px}.course-overview-more p{margin-top:12px}.roadmap-intro{margin:12px 0 20px}.course-directory{padding:14px 16px;border:1px solid #e8e4ed;border-radius:9px;background:#faf9fc}.course-directory .course-unit-nav{margin:16px 0 0}.course-roadmap .curriculum-actions{margin:18px 0}.course-roadmap .curriculum>details{margin:12px 0}.course-roadmap .curriculum>details>summary{padding:18px 20px}.course-roadmap .unit-summary small{font-size:13px;color:#6b6075}.unit-body{padding:22px}.course-roadmap .unit-body p{padding:0;margin:0;font-size:14px;line-height:1.8}.unit-task{border-left:3px solid #d80650;padding:0 0 0 14px;margin-bottom:26px}.unit-task>span{font-size:12px;color:#a90843;font-weight:650}.unit-task>p{margin-top:6px!important;color:#231b32;font-weight:600}.unit-task>p.unit-learn{color:#6b6075;font-weight:400}.unit-stage{padding-top:24px;margin-top:24px;border-top:1px solid #eee8f3}.unit-stage.unit-learning{padding-top:0;margin-top:0;border-top:0}.course-roadmap .unit-stage>h3{display:flex;align-items:center;gap:10px;font-size:18px;line-height:1.5;margin:0 0 16px;color:#231b32}.unit-stage>h3>span{font-size:12px;font-weight:700;color:#a90843;background:#fff0f5;border-radius:6px;padding:4px 7px}.unit-learning dl,.unit-tools dl{display:block;margin:0}.unit-learning dl>dt,.unit-tools dl>dt{display:none}.unit-learning dd,.unit-tools dd{margin:0;min-width:0}.course-roadmap .unit-learning .learning-scenario{display:none}.course-roadmap .unit-learning .learning-section-label{margin:0 0 12px;font-size:13px;color:#6b6075;font-weight:500}.course-roadmap .unit-learning .lesson-learning-card{padding:16px;background:#fff;border-radius:10px}.course-roadmap .unit-learning .lesson-learning-card h4{font-size:15px;line-height:1.6;margin:9px 0}.course-roadmap .unit-learning .lesson-learning-card p{font-size:14px;margin:0 0 12px;padding:0;line-height:1.75}.course-roadmap .unit-learning .learning-note{font-size:12px!important;color:#6b6075!important;line-height:1.7!important;margin:12px 0 0!important}.course-roadmap .unit-learning .lesson-learning-more{margin:14px 0 0}.course-roadmap .unit-learning .learning-open{display:inline-flex;min-height:36px;align-items:center;font-size:14px}.unit-practice-bar{display:flex;align-items:center;gap:20px;justify-content:space-between;padding:18px;border-radius:10px;background:#f8f5fb}.unit-practice-bar>div{min-width:0}.unit-practice-bar strong{display:block;font-size:15px;line-height:1.6}.course-roadmap .unit-practice-bar p{font-size:13px;margin-top:6px}.unit-practice-bar .button{font-size:14px;padding:12px 16px;flex-shrink:0;min-height:46px}.unit-index-link{display:inline-flex;font-size:13px;color:#6c477f;padding:10px 0}.course-roadmap .unit-fold{border:0;border-top:1px solid #eee8f3;border-radius:0;background:transparent;margin:0}.course-roadmap .unit-fold>summary{padding:13px 0;display:list-item;list-style:disclosure-closed;font-size:14px;color:#554065;font-weight:500;margin-left:16px;cursor:pointer}.course-roadmap .unit-fold[open]>summary{list-style:disclosure-open}.course-roadmap .unit-fold>summary::-webkit-details-marker{display:initial}.course-roadmap .unit-fold-body{padding:0 0 16px;font-size:14px;line-height:1.8;color:#6b6075}.unit-fold-body h4{font-size:14px;color:#33283f;margin:12px 0 8px}.unit-fold-body ol,.unit-fold-body ul{padding-left:22px;margin:10px 0}.unit-fold-body li{margin:7px 0}.course-roadmap .unit-fold-body p{margin:8px 0;font-size:14px}.unit-tools a{color:#a90843}.unit-tools details{border:0}.unit-checks{padding:0;list-style:none;margin:0 0 16px;display:grid;gap:8px}.unit-checks li{background:#f6f8f7;border-radius:7px;padding:10px 12px;font-size:14px;color:#34584f;line-height:1.7}.unit-checks li::before{content:'✓';margin-right:9px;color:#25776b}.course-roadmap .unit-next{margin:16px 0 8px;padding:0;font-size:13px;line-height:1.8;color:#6b6075}.unit-next strong{display:block;color:#554065;font-size:12px;margin-bottom:4px}.unit-next-link{display:inline-flex;min-height:40px;align-items:center;color:#a90843;font-size:14px;line-height:1.7}.course-external-note{font-size:12px!important;line-height:1.8;color:#6b6075;margin-top:20px!important}.course-study-aside{padding:22px;top:104px}.course-study-aside h3{font-size:20px;margin-bottom:10px}.course-study-aside>p{font-size:13px;line-height:1.8}.course-study-aside .button{font-size:14px}.course-quick-links{display:grid;gap:12px;margin:20px 0}.course-quick-links a{font-size:13px;color:#6c477f;line-height:1.6}.course-aside-contact{border-top:1px solid #eee8f3;padding-top:18px}.course-aside-contact p{font-size:13px}.course-aside-contact .button{margin-top:12px}.course-aside-contact .text-link{margin-top:14px;font-size:13px}.course-aside-contact small{display:block;font-size:12px;color:#6b6075;margin-top:10px}.course-extra>summary{font-size:16px;min-height:24px}.course-extra-body{margin-top:20px}.course-extra-body>.course-teaching{border:0;padding:0;margin:0 0 24px}.course-extra .course-process-section{border:0;padding:0}.course-extra-body>.visual-zoom{display:block;margin-top:16px}.course-extra .visual-zoom img{max-height:none;height:auto}.course-extra-body p{margin-bottom:12px}.course-related{padding:48px 0}.course-related h2{font-size:28px}
.course-catalog .course-card-body,.course-related .course-card-body{padding:20px;gap:0}.course-catalog .course-top,.course-related .course-top{margin-bottom:12px}.course-catalog .icon-box,.course-related .icon-box{width:32px;height:32px;border-radius:8px}.course-catalog .icon-box svg,.course-related .icon-box svg{width:18px;height:18px}.course-catalog .course-en,.course-related .course-en{display:none}.course-catalog .course-card h3,.course-related .course-card h3{font-size:20px;line-height:1.45;margin:0 0 10px}.course-catalog .course-card-body>p:not(.course-output),.course-related .course-card-body>p:not(.course-output){font-size:14px;line-height:1.75;margin:0 0 14px}.course-catalog .course-output,.course-related .course-output{font-size:13px;line-height:1.7;margin:0 0 14px}.course-catalog .course-output strong,.course-related .course-output strong{font-size:12px;margin-bottom:3px}.course-catalog .course-meta,.course-related .course-meta{margin:0 0 14px}.course-catalog .course-bottom,.course-related .course-bottom{padding-top:12px;font-size:12px}.course-catalog .course-bottom a,.course-related .course-bottom a{font-size:14px}.course-catalog .course-art img,.course-related .course-art img{aspect-ratio:1.7;object-fit:cover}.course-catalog .filter-bar{gap:14px;margin-bottom:24px}.course-catalog .course-grid{gap:20px}.course-catalog .course-card:hover,.course-related .course-card:hover{transform:none}
@media(max-width:1100px){.course-content .course-content-grid{grid-template-columns:minmax(0,1fr);max-width:920px}.course-content .course-study-aside{display:none}.course-hero-grid{gap:28px}.course-content .lesson-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.course-content{padding:28px 0}.course-content>.wrap{width:calc(100% - 32px)}.course-content .panel{padding:20px;border-radius:12px}.course-content .course-roadmap{border:0;padding:0;border-radius:0;background:transparent}.course-content .course-roadmap>h2{font-size:24px}.course-content .course-roadmap>.eyebrow,.course-content .course-roadmap>h2,.course-content .roadmap-intro{padding-left:4px;padding-right:4px}.course-overview h2{font-size:23px}.course-fit-grid{grid-template-columns:1fr;gap:16px}.course-case-intro{margin-bottom:18px}.course-content .unit-body{padding:18px 16px}.course-content .curriculum>details>summary{padding:16px;gap:9px}.course-content .unit-task{margin-bottom:22px}.course-content .unit-stage{padding-top:20px;margin-top:20px}.course-content .unit-stage.unit-learning{margin-top:0;padding-top:0}.course-content .lesson-learning-grid{grid-template-columns:minmax(0,1fr)}.course-content .unit-learning .lesson-learning-card{padding:14px}.course-content .unit-practice-bar{display:block;padding:16px}.course-content .unit-practice-bar .button{width:100%;margin-top:14px;white-space:normal}.course-content .unit-summary small{font-size:12px}.course-directory{padding:12px}.course-directory .course-unit-nav{grid-template-columns:1fr;margin-top:12px}.course-roadmap .curriculum-actions p{font-size:12px!important;max-width:210px}.course-content .course-extra{padding:17px}.course-extra>summary{font-size:14px;line-height:1.7}.course-content .course-materials>h2{font-size:24px!important}.course-related .section-head{align-items:center}.course-related h2{font-size:24px}.course-catalog .course-card-body,.course-related .course-card-body{padding:18px}.course-catalog .course-art img,.course-related .course-art img{aspect-ratio:1.5}}
@media print{.unit-fold::details-content,.course-extra::details-content,.course-overview-more::details-content{content-visibility:visible!important}.unit-practice-bar .button{display:none}.course-content-grid{display:block}}
.course-roadmap .curriculum .unit-fold>summary::before,.course-roadmap .curriculum .unit-fold>summary::after{content:none!important;counter-increment:none!important}.course-roadmap .curriculum>details>summary .unit-chevron{transform:none}.course-roadmap .curriculum>details[open]>summary .unit-chevron{transform:rotate(180deg)}
.course-materials .materials-summary{margin:12px 0;font-size:15px}.materials-detail{margin:16px 0}.materials-detail summary{cursor:pointer;color:#554065;font-size:14px;font-weight:500}.materials-detail p{margin-top:12px;line-height:1.85;font-size:14px}.course-content summary:focus-visible,.course-content a:focus-visible{outline:3px solid #d80650;outline-offset:4px}
/* Preserve artwork headings and full composition in course previews. */
.course-catalog .course-art img,.course-related .course-art img{aspect-ratio:3/2;object-fit:contain;background:#f6f3ef}
.course-comparison{padding:20px;border:1px solid #e8e4ed;border-radius:12px;background:#faf9fc}.course-comparison summary{cursor:pointer;color:#554065;font-size:15px;min-height:26px;font-weight:600}.course-catalog .course-comparison table{font-size:14px}

/* Office workshop additions, scoped to course lessons */
.office-workshop h2{font-size:clamp(1.4rem,2.3vw,2rem);line-height:1.4}.office-workshop>p{line-height:1.85}.workshop-downloads{margin:22px 0;flex-wrap:wrap}.office-operation{margin:20px 0;border-top:1px solid #e8e0ef}.office-operation>summary{color:#522787;font-weight:650;line-height:1.6}.office-tools-line{color:#562080}.office-operation-tip{padding:14px 0;border-top:1px solid #ded2e9}.office-operation-prompt{font:inherit;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 18px;color:#332441}.office-source-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin:18px 0}.office-source-links a{font-size:.92rem}.office-operation ol li{margin:10px 0;line-height:1.75}.office-workshop a:focus-visible,.office-operation a:focus-visible,.office-operation button:focus-visible{outline:3px solid #a570db;outline-offset:4px}@media(max-width:640px){.workshop-downloads{display:grid;gap:12px}.workshop-downloads .button{white-space:normal;min-width:0;text-align:center}.office-operation>summary{font-size:1rem}.office-operation .unit-fold-body{padding-left:0;padding-right:0}.office-operation-prompt{font-size:.95rem}}