body.gos-professional{--gos-focus:#193d63;--gos-text:#24272b;color:var(--gos-text);overflow-wrap:anywhere}
.gos-professional *{box-sizing:border-box}
.gos-professional a:focus-visible,.gos-professional button:focus-visible,.gos-professional summary:focus-visible,.gos-professional input:focus-visible,.gos-professional select:focus-visible{outline:3px solid var(--gos-focus);outline-offset:4px}
.gos-skip{position:absolute;left:1rem;top:-8rem;z-index:99999;background:#fff;padding:12px;color:#193d63}
.gos-skip:focus{top:1rem}
body>.gos-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;padding:16px max(20px,calc((100% - 1120px)/2));border-bottom:1px solid #c9cccf;position:relative;z-index:30;color:#24272b}
.gos-topbar .gos-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;color:#24272b;font-size:19px;font-weight:700;line-height:1.2}
.gos-brand img{height:42px!important;width:42px!important;max-width:42px;object-fit:contain}
.gos-brand-sub{display:block;font-size:13px;font-weight:400;margin-top:4px}
.gos-site-menu{margin:0}
.gos-site-menu>summary{cursor:pointer;font-size:17px;font-weight:700;padding:12px;min-height:44px;display:none}
.gos-site-menu>nav{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.gos-topbar nav a{display:block;color:#24272b;text-decoration:none;padding:11px 10px;min-height:44px;border-radius:4px;font-size:16px;line-height:1.35}
.gos-topbar nav a:hover,.gos-topbar nav a[aria-current=page]{background:#f7d348;color:#24272b;text-decoration:underline;text-underline-offset:5px}
.gos-course-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:5px 12px;padding:9px 20px;background:#f7d348;border-bottom:1px solid #cfb342}
.gos-course-strip a{min-height:44px;display:inline-flex;align-items:center;padding:7px 12px;color:#24272b;text-decoration:none;font-weight:700;border-radius:4px}
.gos-course-strip a[aria-current=true]{background:#fff;text-decoration:underline}
.gos-experience{max-width:1040px;margin:0 auto;padding:clamp(24px,5vw,64px) clamp(4px,2vw,24px);font-size:17px;line-height:1.65}
.gos-experience h1{font-size:clamp(28px,4vw,44px);line-height:1.18;max-width:26ch;margin:0 0 24px;color:#24272b}
.gos-experience h2{font-size:25px;line-height:1.3;margin:0 0 12px;color:#24272b}
.gos-legacy-title{max-width:1120px;margin:0 auto;padding:24px 20px}.gos-legacy-title h1{font-size:clamp(28px,4vw,40px);line-height:1.2;color:#24272b}
.gos-experience p{max-width:72ch;margin:0 0 20px}
.gos-experience a{color:#193d63;text-underline-offset:4px}
.gos-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin:22px 0}
.gos-professional a.gos-action{display:inline-flex;justify-content:center;align-items:center;padding:13px 22px;min-height:48px;max-width:100%;background:#f7d348;color:#24272b!important;border:1px solid #b79824;border-radius:5px;font-size:17px;line-height:1.35;text-decoration:none;font-weight:700;text-align:center;white-space:normal}
.gos-professional a.gos-action:hover{background:#ffdf59;text-decoration:underline}
.gos-course{padding:24px 0;border-bottom:1px solid #c9cccf;margin:0 0 18px}
.gos-course>details>summary{min-height:44px;padding:10px 0;cursor:pointer;color:#193d63}
.gos-lesson-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none!important;padding:0!important;margin:8px 0}
.gos-lesson-list a{display:block;padding:10px 16px;background:#fff;border:1px solid #c9cccf;border-radius:4px;min-height:44px}
.gos-practice-start,.gos-notice,.gos-contact{padding:24px;background:#fff;border-left:5px solid #f7d348;margin:28px 0}
.gos-welcome{display:grid;grid-template-columns:minmax(0,1fr) 180px;align-items:center;gap:48px;padding:0 0 30px}
.gos-welcome>img{width:180px!important;height:180px!important;object-fit:contain}
.gos-intro{border-top:1px solid #c9cccf;padding-top:32px}
.gos-intro li{padding:8px 0;max-width:70ch}
.gos-help-item{border-bottom:1px solid #c9cccf;padding:12px 0;max-width:78ch}
.gos-help-item summary{font-size:18px;font-weight:700;cursor:pointer;min-height:44px;padding:10px 0}
.gos-help-item p{padding:12px 0}
.gos-room-list{list-style:none!important;padding:0!important}
.gos-room-list li{padding:18px 0;border-bottom:1px solid #c9cccf}
.gos-room-list a{display:block;min-height:44px;font-weight:700}
.gos-auth{max-width:540px;margin:0 auto}
.gos-auth .gos-login-headline{display:none}
.gos-auth .gos-native-login{width:100%;max-width:100%;margin:0;background:#fff;padding:24px;border-radius:5px}
.gos-auth input[type=text],.gos-auth input[type=password],.gos-auth input[type=email]{width:100%;min-height:48px;font-size:17px}
.gos-auth .gos-login-options{display:flex;gap:15px;flex-wrap:wrap;justify-content:space-between}
.gos-auth label{font-size:16px}
.gos-auth button[type=submit]{min-height:48px;padding:12px 20px;font-size:17px;background:#f7d348;color:#24272b}
.gos-auth .gos-reset-dialog{max-width:calc(100vw - 32px);width:480px;border:1px solid #74797d;border-radius:5px;padding:24px}
.gos-auth .gos-reset-dialog::backdrop{background:#0008}
.gos-professional .gos-footer{background:#24272b;color:#fff;padding:30px 20px;margin-top:35px}
.gos-footer nav{display:flex;justify-content:center;gap:12px 28px;flex-wrap:wrap}
.gos-footer a{color:#fff;min-height:44px;display:inline-flex;align-items:center;text-underline-offset:4px}
.gos-footer p{text-align:center;color:#fff;margin:16px 0 0;font-size:14px}
.gos-tabs-hint{font-size:14px;color:#41464a;margin:8px 0 16px;line-height:1.5}
.gos-professional .tabs-nav{scrollbar-width:thin;scroll-padding-inline:8px}
.gos-professional .tabs-nav::-webkit-scrollbar{display:block;height:6px}
.gos-professional .tabs-nav::-webkit-scrollbar-thumb{background:#74797d;border-radius:5px}
.gos-professional .tab-button{min-height:44px}
.gos-learning-return{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;font-size:16px}
.gos-learning-return a{color:#193d63;min-height:44px;display:inline-flex;align-items:center}
@media(max-width:850px){
 .gos-professional #gos-main button,.gos-professional #gos-main input:not([type=checkbox]):not([type=radio]):not([type=hidden]),.gos-professional #gos-main select{min-height:44px}
 .gos-professional #gos-main button{min-width:44px}
 body>.gos-topbar{padding:12px 16px;align-items:flex-start;gap:8px;flex-wrap:wrap}
 .gos-site-menu{width:100%}.gos-site-menu>summary{display:list-item;width:fit-content;margin-left:auto}
 .gos-site-menu>nav{display:flex;flex-direction:column;align-items:stretch;padding:6px 0 12px;max-height:65vh;overflow-y:auto}
 .gos-topbar nav a{padding:13px 12px}.gos-brand{margin-bottom:-44px;max-width:calc(100% - 76px)}
 .gos-course-strip{justify-content:flex-start;padding:6px 12px;gap:4px}
 .gos-welcome{grid-template-columns:1fr;gap:20px}.gos-welcome>img{display:none}
 .gos-auth .gos-native-login{padding:20px 16px}.gos-actions{align-items:stretch}.gos-actions>*{flex:1 1 240px}
}
@media(prefers-reduced-motion:reduce){.gos-professional *{scroll-behavior:auto!important}}

.gos-media-status{padding:14px 16px;margin:12px 0 20px;background:#fff;border-left:4px solid #f7d348;color:#24272b;font-size:15px;line-height:1.5}.gos-media-status p{margin:0 0 10px}.gos-media-status button,.gos-media-status a{display:inline-flex;align-items:center;min-height:44px;padding:9px 12px;margin-right:12px;font:inherit;color:#193d63}.gos-media-status[data-media-state=available]{padding:8px 14px}.gos-media-status[data-media-state=available] p{margin:0}.gos-media-status[data-media-state=available] a{display:none}

.gos-document-info{display:block;font-size:13px;color:#41464a;font-weight:400;margin-top:5px;line-height:1.4}.gos-auth .gos-native-login,.gos-auth .gos-native-login *{font-family:inherit}.gos-professional .gos-hub__title,.gos-professional .gos-srs__title,.gos-professional .gos-quiz__title,.gos-professional .gos-dash__title,.gos-professional .gos-mirror__title{text-transform:none;letter-spacing:0}

.gos-professional a.gos-document-link{flex-wrap:wrap;height:auto;min-height:50px;row-gap:4px;padding-bottom:10px}.gos-professional .gos-document-info{flex:0 0 100%;white-space:normal;overflow-wrap:anywhere}.gos-srs__intro,.gos-quiz__intro,.gosnot__intro,.gos-karaoke__intro,.gos-mirror__intro,.gos-hub__intro{font-size:15px;line-height:1.6}

body.gos-experience-screen{background:#f5f6f7;color:#24272b}
.gos-experience-screen .site-wrapper,.gos-experience-screen .site-content,.gos-experience-screen .content-wrapper{background:transparent}
.gos-experience-screen .site-content{padding-top:0;padding-bottom:0}
.gos-experience-screen .content-wrapper{width:100%;max-width:1200px;padding:0 24px;margin:0 auto}
.gos-experience{max-width:1120px;padding:48px 0 64px;font-size:17px;line-height:1.6}
.gos-experience h1{font-size:clamp(30px,3.4vw,44px);line-height:1.17;margin-bottom:18px;max-width:30ch}
.gos-experience h2{font-size:26px;line-height:1.25}
.gos-experience>p,.gos-page-intro>p{color:#515c65;max-width:72ch}
.gos-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:32px 0 48px;align-items:start}
.gos-course-card{background:#fff;border:1px solid #dce1e4;border-top:5px solid #f7d348;border-radius:12px;padding:26px 24px 18px;min-width:0}
.gos-card-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.gos-card-heading h2{font-size:32px;line-height:1.1;margin:0;color:#193d63}
.gos-access-label{display:inline-block;background:#eef5f0;color:#315c40;border-radius:4px;padding:4px 8px;font-size:12px;line-height:1.4}
.gos-course-card .gos-course-count{margin:14px 0 0;color:#59636d;font-size:15px}
.gos-course-card .gos-actions{display:block;margin:24px 0 18px}
.gos-course-card a.gos-action{width:100%;font-size:16px;padding:13px 10px;border-radius:6px}
.gos-course-lessons{border-top:1px solid #e4e7e9}
.gos-course-lessons>summary{padding:15px 0 8px;min-height:44px;cursor:pointer;color:#193d63;font-size:15px;font-weight:600}
.gos-course-lessons .gos-lesson-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:12px 0}
.gos-course-lessons .gos-lesson-list a{font-size:14px;padding:10px 6px;text-align:center;background:#f6f8fa;border-color:#e2e6ea;text-decoration:none}
.gos-course-lessons .gos-lesson-list a:hover{background:#fff5bf;text-decoration:underline}
.gos-material-section{margin:0 0 40px}
.gos-material-section>h2{margin-bottom:20px}
.gos-material-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none!important;padding:0!important;margin:0!important}
.gos-material-grid li{margin:0;min-width:0}
.gos-material-card{display:flex;align-items:center;gap:14px;padding:20px;background:#fff;border:1px solid #dce1e4;border-radius:9px;text-decoration:none;height:100%;min-height:106px;line-height:1.4;font-weight:600}
.gos-material-card:hover{border-color:#193d63;background:#fcfdff}
.gos-material-card small{display:block;font-size:13px;font-weight:400;color:#59636d;margin-top:6px}
.gos-material-mark{display:grid;place-items:center;flex:0 0 44px;width:44px;height:48px;color:#193d63;background:#edf2f7;border-radius:6px}
.gos-material-mark svg{max-width:24px}
.gos-practice-start{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:28px;align-items:center;border:1px solid #dfd8b8;border-left:5px solid #f7d348;border-radius:9px;background:#fffdf3;padding:26px 30px;margin:40px 0 0}
.gos-practice-start h2{font-size:25px;margin-bottom:8px}
.gos-practice-start p{grid-column:1;margin:0;font-size:16px;color:#515c65}
.gos-practice-start .gos-actions{grid-column:2;grid-row:1/3;margin:0}
.gos-page-intro{margin-bottom:26px}
.gos-schedule-note{padding:16px 20px;border-left:3px solid #f7d348;background:#fff;max-width:none!important;font-size:15px;color:#515c65}
.gos-room-filter{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 0 20px}
.gos-room-filter[hidden],.gos-room-group[hidden]{display:none}
.gos-room-filter label{font-size:15px;font-weight:600}
.gos-room-filter select{font:inherit;font-size:15px;min-height:46px;border:1px solid #aeb8c1;border-radius:6px;padding:9px 36px 9px 12px;background:#fff;color:#24272b;max-width:100%}
.gos-room-group{margin:22px 0 38px}
.gos-room-group>h2{font-size:24px;margin-bottom:16px;color:#193d63}
.gos-room-grid{list-style:none!important;padding:0!important;margin:0!important;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.gos-room-grid .gos-room-card{background:#fff;border:1px solid #dce1e4;border-radius:9px;padding:22px;min-width:0}
.gos-room-kind{font-size:13px;color:#59636d}
.gos-room-card h3{font-size:23px;line-height:1.35;color:#24272b;margin:8px 0 14px;font-weight:600}
.gos-room-card a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:600}
.gos-room-help{margin-top:32px!important}
.gos-help-hero{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:34px 38px;background:#fff;border-radius:12px;border-top:5px solid #f7d348;margin-bottom:24px}
.gos-help-hero h1{margin-bottom:14px}
.gos-help-hero p{margin:0;color:#515c65;max-width:58ch}
.gos-help-symbol{display:grid;place-items:center;flex:0 0 94px;width:94px;height:94px;border-radius:50%;background:#f7d348;color:#193d63;font-size:58px;font-weight:600;line-height:1}
.gos-help-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 36px}
.gos-help-shortcuts a{display:flex;align-items:center;min-height:70px;padding:16px 20px;background:#fff;border:1px solid #dce1e4;border-radius:8px;font-size:16px;font-weight:600;text-decoration:none}
.gos-help-shortcuts a:hover{border-color:#193d63;text-decoration:underline}
.gos-help-section{background:#fff;border:1px solid #dce1e4;border-radius:10px;padding:28px 32px;margin:0 0 24px;scroll-margin-top:24px}
.gos-help-section h2{font-size:23px;margin:0 0 12px;color:#193d63}
.gos-help-item{max-width:none;padding:4px 0;border-color:#e1e6e9}
.gos-help-item:last-child{border:0}
.gos-help-item summary{font-size:17px;padding:17px 2px;line-height:1.5}
.gos-help-item p{padding:0 4px 16px;margin:0;color:#515c65;font-size:16px}
.gos-contact{border:1px solid #dce1e4;border-left:5px solid #f7d348;border-radius:8px;margin-bottom:0}
.gos-contact p{margin:0}
.gos-auth{max-width:520px}
.gos-auth .gos-native-login{border:1px solid #dce1e4;border-radius:12px;padding:28px}
.gos-auth input{min-width:0}
.gos-welcome{background:#fff;border-radius:12px;border-top:5px solid #f7d348;padding:40px;grid-template-columns:minmax(0,1fr) 160px;gap:36px;margin-bottom:32px}
.gos-welcome>img{width:160px!important;height:160px!important}
.gos-welcome h1{font-size:clamp(30px,3.4vw,44px)}
.gos-welcome .gos-lead{font-size:18px;color:#515c65}
.gos-welcome p:last-child{margin-bottom:0;font-size:15px}
.gos-intro{padding:28px 8px;border-top:0}
.gos-intro ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding-left:25px;margin:24px 0}
.gos-intro li{padding:0 8px;line-height:1.6;font-size:16px;color:#515c65}
.gos-intro strong{display:block;color:#24272b;margin-bottom:6px}
@media(max-width:1020px){.gos-course-grid,.gos-material-grid,.gos-room-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){
 .gos-experience-screen .content-wrapper{padding:0 16px}.gos-experience{padding:28px 0 44px;font-size:16px}
 .gos-course-grid{grid-template-columns:1fr;gap:18px;margin:24px 0 32px}.gos-course-card{padding:22px 20px 16px}
 .gos-material-grid,.gos-room-grid,.gos-help-shortcuts{grid-template-columns:1fr}
 .gos-material-card{padding:18px;min-height:92px}.gos-material-section{margin-bottom:30px}
 .gos-practice-start{display:block;padding:24px 20px}.gos-practice-start .gos-actions{margin-top:20px}
 .gos-help-hero{padding:24px;gap:16px}.gos-help-symbol{display:none}
 .gos-help-shortcuts{gap:8px;margin-bottom:24px}.gos-help-shortcuts a{min-height:52px;padding:12px 18px}
 .gos-help-section{padding:20px;margin-bottom:18px}.gos-help-item summary{font-size:16px}
 .gos-welcome{padding:26px 24px;display:block}.gos-welcome>img{display:none}
 .gos-intro ol{grid-template-columns:1fr;gap:20px}.gos-intro{padding:12px 0}
 .gos-auth .gos-native-login{padding:22px 18px}.gos-auth .gos-login-options{display:block}
 .gos-room-filter{display:block}.gos-room-filter label{display:block;margin-bottom:8px}.gos-room-filter select{width:100%}
}

.gos-auth .gos-login-options label,.gos-auth .gos-login-options>a{display:inline-flex;align-items:center;min-height:44px;gap:9px}