:root{--ink:#111;--paper:#f7f6f2;--card:#efefed;--white:#fff;--yellow:#ffb400;--yellow2:#f3a900;--gray:#d8d8d8;--soft:#ecebea;--line:#cfcfcb;--green:#0f8278;--blue:#087df0;--serif:Georgia,"Times New Roman",serif;--sans:Arial,Helvetica,sans-serif;--shadow:0 4px 14px rgba(0,0,0,.18);--shadow-lg:0 18px 60px rgba(0,0,0,.18);--radius:24px;--container:1480px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 52px),var(--container));margin:auto}.page-main{padding:46px 0 88px}.page-title{font-size:clamp(2rem,3.2vw,3.35rem);line-height:1.04;margin:0 0 30px;font-weight:700}.section-title{font-size:clamp(1.75rem,2.5vw,2.7rem);line-height:1.08;margin:0 0 22px}.muted{color:#696967}.small{font-size:.87rem}.caps{font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:800}.pill{display:inline-flex;border-radius:999px;padding:.38rem .72rem;background:#e1e1df;font-family:var(--sans);font-size:.74rem;font-weight:800}.btn{border:0;border-radius:999px;background:#111;color:#fff;min-height:46px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:.9rem;font-weight:800;transition:.2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}.btn-yellow{background:var(--yellow);color:#fff}.btn-light{background:#fff;color:#111;border:1px solid #bbb}.btn-block{width:100%}.input,.select,.textarea{width:100%;background:#fff;border:1px solid #bdbdb9;border-radius:16px;padding:14px 16px;outline:0}.input:focus,.select:focus,.textarea:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.08)}.field{display:grid;gap:7px}.field label{font-family:var(--sans);font-size:.78rem;font-weight:800}.stack{display:grid;gap:16px}.cluster{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
/* floating menu */
.site-header{position:sticky;top:8px;z-index:100;padding:8px 0 0;pointer-events:none}.nav-shell{pointer-events:auto;width:min(calc(100% - 36px),1360px);height:70px;margin:auto;padding:0 14px;background:rgba(255,255,255,.96);border:1px solid #c9c9c6;border-radius:999px;box-shadow:0 3px 12px rgba(0,0,0,.16);display:flex;align-items:center;gap:14px;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:9px;min-width:210px;font-family:var(--sans);font-weight:950;line-height:.9}.brand-mark{width:44px;height:44px;flex:0 0 auto;border-radius:50%;background:#111;position:relative;overflow:hidden}.brand-mark i{position:absolute;bottom:8px;width:7px;height:28px;background:#fff;transform:skew(-11deg)}.brand-mark i:nth-child(1){left:10px}.brand-mark i:nth-child(2){left:19px;height:32px}.brand-mark i:nth-child(3){left:28px;height:25px}.brand-copy{font-size:17px;letter-spacing:-.5px}.brand-copy span{display:block}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:3px;min-width:0;margin-left:auto}.nav-link{padding:9px 12px;border-radius:999px;font-size:16px;line-height:1.2;font-weight:700;white-space:nowrap;transition:.2s}.nav-link:hover,.nav-link.active{background:#d8d8d6;box-shadow:0 3px 8px rgba(0,0,0,.1)}.login-link{background:var(--yellow);color:#fff;margin-left:5px}.login-link:hover,.login-link.active{background:var(--yellow2)}.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;border:0;border-radius:50%;background:#111;color:#fff;font-family:var(--sans);font-size:20px}.mobile-menu{display:none;pointer-events:auto;width:min(calc(100% - 28px),620px);max-height:calc(100dvh - 104px);overflow-y:auto;margin:8px auto 0;background:#fff;border:1px solid #ccc;border-radius:18px;padding:10px;box-shadow:var(--shadow)}.mobile-menu.open{display:grid}.mobile-menu a{padding:11px 14px;border-radius:12px;font-family:var(--sans);font-size:15px;font-weight:700}.mobile-menu a.active,.mobile-menu a:hover{background:#e3e3e1}
/* course library */
.course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 22px;overflow:visible}.course-cell{position:relative;min-width:0}.course-card{display:block;position:relative;z-index:1}.course-cover{aspect-ratio:7/9.8;width:100%;border:1px solid #bcbcb8;border-radius:20px;overflow:hidden;background:#faf9f5;box-shadow:0 3px 12px rgba(0,0,0,.13);transition:.25s}.course-cover img{width:100%;height:100%;object-fit:cover}.course-card:hover .course-cover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,.18)}.course-name{font-size:23px;line-height:1.08;margin:12px 0 4px}.course-price{font-size:17px;font-weight:700}.old-price{text-decoration:line-through;color:#777;margin-right:8px}.course-hover{position:absolute;z-index:60;left:-16px;top:-14px;width:min(820px,78vw);min-height:460px;background:#d4d4d4;border:1px solid #b8b8b8;border-radius:26px;box-shadow:0 6px 20px rgba(0,0,0,.24);padding:24px;display:grid;grid-template-columns:320px 1fr;gap:24px;opacity:0;visibility:hidden;transform:scale(.97) translateY(8px);transform-origin:top left;transition:opacity .18s,transform .18s,visibility .18s;pointer-events:none}.course-cell:nth-child(4n+3) .course-hover,.course-cell:nth-child(4n+4) .course-hover{left:auto;right:-16px;transform-origin:top right}.course-cell:hover{z-index:70}.course-cell:hover .course-hover{opacity:1;visibility:visible;transform:scale(1) translateY(0)}.hover-cover{border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 3px 12px rgba(0,0,0,.16)}.hover-cover img{width:100%;height:100%;object-fit:cover}.hover-info{padding:2px 0}.hover-title{font-size:32px;line-height:1.08;margin:0 0 6px}.hover-price{font-size:20px;margin-bottom:18px}.hover-meta{font-size:18px;font-style:italic;margin:0 0 8px}.hover-desc{font-size:17px;line-height:1.45;font-style:italic;margin:10px 0 0;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}.quick-btn{display:none;margin-top:10px;border:1px solid #111;border-radius:999px;background:transparent;padding:8px 12px;font-family:var(--sans);font-weight:800}
/* detail */
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:48px;align-items:start}.article{font-size:19px;line-height:1.65}.article h1{font-size:clamp(2.4rem,4vw,4rem);line-height:1.02;margin:0 0 18px}.article h2{font-size:30px;margin:38px 0 14px}.article h3{font-size:23px;margin:28px 0 10px}.article p{margin:0 0 20px}.article ul{padding-left:26px}.side-product{position:sticky;top:102px;background:#e3e3e1;border-radius:30px;padding:24px;box-shadow:0 8px 30px rgba(0,0,0,.10)}.side-product .course-cover{max-width:260px;margin:auto}.side-product h2{font-size:26px;line-height:1.12;margin:20px 0 9px}.side-product p{font-size:17px;font-style:italic;margin:4px 0}.price-line{display:flex;align-items:end;gap:12px;margin:14px 0 6px}.price-line .sale{font-size:22px;color:#e87500;font-weight:800}.register-btn{width:100%;min-height:52px;font-size:18px;margin-top:6px}.curriculum{margin-top:44px}.chapter{border:1px solid #bfbfbb;border-radius:18px;background:#fff;margin-bottom:12px;overflow:hidden}.chapter-head{width:100%;border:0;background:#efefed;padding:16px 20px;display:flex;justify-content:space-between;font-size:18px;font-weight:800;text-align:left}.chapter-body{display:none}.chapter.open .chapter-body{display:block}.lesson-row{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:14px 18px;border-top:1px solid #dededb;font-size:16px}.lesson-row:hover{background:#faf7ef}.lesson-play{width:28px;height:28px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;font-size:11px}.lesson-time{font-family:var(--sans);font-size:.75rem;color:#666}
/* floating support */
.support-rail{position:fixed;right:28px;top:62%;transform:translateY(-50%);z-index:80;display:grid;gap:14px}.support-btn{width:68px;height:68px;border-radius:50%;background:#fff;border:2px solid #d7e8ff;box-shadow:0 6px 22px rgba(0,0,0,.15);display:grid;place-items:center;font-family:var(--sans);font-weight:900;font-size:18px}.support-btn.headset{background:var(--green);color:#fff;border-color:#f1c65a}.support-btn.message{background:var(--blue);color:#fff;border-color:var(--blue)}.support-btn.top{border-radius:14px;height:52px;font-size:31px}.support-btn:hover{transform:scale(1.06)}
/* generic sections/cards */
.gray-hero{background:#dededc;border-radius:34px;padding:44px;margin-bottom:42px}.gray-hero h1{font-size:clamp(2.7rem,5vw,5rem);line-height:1;margin:0}.filters{display:grid;grid-template-columns:1fr 220px 220px;gap:12px;margin-bottom:30px}.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.doc-card{display:grid;grid-template-columns:180px 1fr;background:#fff;border:1px solid #ccc;border-radius:24px;overflow:hidden;min-height:255px;transition:.2s}.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.doc-card img{width:180px;height:100%;object-fit:cover}.doc-info{padding:22px}.doc-info h3{font-size:28px;line-height:1.08;margin:0 0 12px}.doc-meta{font-family:var(--sans);font-size:.82rem;display:flex;gap:14px;flex-wrap:wrap}.doc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:22px}.tag{background:#eee;border-radius:999px;padding:5px 10px;font-family:var(--sans);font-size:.72rem;font-weight:800}.doc-detail{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:42px}.paper-preview{background:#fff;border:1px solid #ccc;border-radius:24px;padding:44px;min-height:700px}.paper-preview h1{font-size:52px}.download-card{position:sticky;top:120px;background:#dededc;border-radius:26px;padding:28px}
/* calendar */
.calendar-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);background:#fff;border-top:1px solid #bbb;border-left:1px solid #bbb;min-width:900px}.cal-cell{min-height:135px;border-right:1px solid #bbb;border-bottom:1px solid #bbb;padding:10px}.cal-head{min-height:auto;background:#ddd;font-weight:800;text-align:center}.cal-day{font-family:var(--sans);font-size:.78rem;font-weight:800}.event{display:block;margin-top:8px;padding:7px 9px;border-radius:9px;background:#111;color:#fff;font-family:var(--sans);font-size:.72rem}.event.yellow{background:#ffb400;color:#111}.event.green{background:#0f8278}.calendar-wrap{overflow:auto;border-radius:22px;box-shadow:var(--shadow)}
/* coaching */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.process-card,.benefit-card,.price-card{background:#fff;border:1px solid #ccc;border-radius:24px;padding:26px}.process-no{font-size:54px;font-weight:800;color:#c5c5c2}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0 60px}.benefit-card h3{font-size:24px}.pricing-tabs{display:flex;gap:10px;margin-bottom:18px}.pricing-tab{border:1px solid #111;border-radius:999px;background:transparent;padding:10px 18px;font-weight:800}.pricing-tab.active{background:#111;color:#fff}.pricing-panel{display:none}.pricing-panel.active{display:grid;grid-template-columns:1fr 1fr;gap:26px}.coaching-form{background:#dcdcd9;border-radius:28px;padding:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
/* auth */
.auth-page{min-height:100vh;display:grid;place-items:center;padding:110px 20px 50px;background:radial-gradient(circle at 15% 10%,#fff 0,#f7f6f2 42%,#dfdfdc 100%)}.auth-card{width:min(100%,1000px);display:grid;grid-template-columns:.9fr 1.1fr;background:#fff;border:1px solid #bbb;border-radius:34px;overflow:hidden;box-shadow:var(--shadow-lg)}.auth-brand{background:#111;color:#fff;padding:46px;display:flex;flex-direction:column;justify-content:space-between;min-height:620px}.auth-brand .brand{color:#fff}.auth-brand h1{font-size:64px;line-height:.95}.auth-form{padding:50px}.auth-form h1{font-size:46px;margin:0 0 8px}.social-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.divider{display:flex;align-items:center;gap:12px;color:#777;font-family:var(--sans);font-size:.78rem;margin:18px 0}.divider:before,.divider:after{content:"";height:1px;background:#ccc;flex:1}.auth-actions{display:flex;justify-content:space-between;font-family:var(--sans);font-size:.82rem}.checkbox{display:flex;gap:8px;align-items:center}
/* dashboard */
.dashboard-layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh;background:#e3e3df}.dash-side{background:#111;color:#fff;padding:26px 18px;position:sticky;top:0;height:100vh}.dash-side .brand{min-width:0}.dash-nav{display:grid;gap:7px;margin-top:34px}.dash-nav a{padding:12px;border-radius:12px;font-family:var(--sans);font-weight:700;color:#bbb}.dash-nav a.active,.dash-nav a:hover{background:#292929;color:#fff}.dash-main{padding:34px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric{background:#fff;border-radius:20px;padding:22px;border:1px solid #ccc}.metric strong{display:block;font-size:42px}.panel{background:#fff;border:1px solid #ccc;border-radius:24px;padding:24px;margin-top:20px}.progress-row{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid #ddd}.progress-row img{width:90px;height:110px;object-fit:cover;border-radius:10px}.progress{height:9px;background:#ddd;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:#ffb400}
/* lesson viewer */
.learn-page{background:#161616;color:#fff;min-height:100vh;font-family:var(--sans)}.learn-top{height:70px;background:#0c0c0c;display:flex;align-items:center;padding:0 24px;gap:20px;position:sticky;top:0;z-index:20}.learn-top .brand{min-width:220px}.learn-back{color:#bbb}.learn-shell{display:grid;grid-template-columns:minmax(0,1fr) 420px;min-height:calc(100vh - 70px)}.video-zone{padding:28px}.video-box{aspect-ratio:16/9;background:radial-gradient(circle at 60% 35%,#555,#090909 65%);border-radius:18px;display:grid;place-items:center;position:relative;overflow:hidden}.play-big{width:92px;height:92px;border:0;border-radius:50%;background:#ffb400;font-size:34px}.video-title{font-family:var(--serif);font-size:34px;margin:22px 0 6px}.lesson-panel{background:#242424;border-left:1px solid #3a3a3a;max-height:calc(100vh - 70px);overflow:auto}.lesson-panel-head{position:sticky;top:0;background:#242424;padding:20px;border-bottom:1px solid #3a3a3a;z-index:2}.learn-chapter-head{padding:15px 18px;background:#2d2d2d;font-weight:800}.learn-item{display:grid;grid-template-columns:28px 1fr auto;gap:10px;padding:14px 18px;border-bottom:1px solid #333;color:#c5c5c5;font-size:14px;cursor:pointer}.learn-item:hover,.learn-item.active{background:#3a3120;color:#fff}.learn-progress{height:7px;background:#444;border-radius:999px;overflow:hidden;margin-top:10px}.learn-progress span{display:block;height:100%;background:#ffb400}
/* modal/toast */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:300;display:none;place-items:center;padding:20px}.modal-backdrop.open{display:grid}.modal{width:min(100%,620px);background:#fff;border-radius:28px;padding:30px;position:relative;box-shadow:var(--shadow-lg)}.modal-close{position:absolute;right:14px;top:14px;width:40px;height:40px;border:0;border-radius:50%;background:#eee}.quick-modal-body{display:grid;grid-template-columns:210px 1fr;gap:22px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,24px);background:#111;color:#fff;padding:13px 20px;border-radius:999px;opacity:0;z-index:400;transition:.2s;font-family:var(--sans);font-size:.85rem}.toast.show{opacity:1;transform:translate(-50%,0)}.promo-trigger{position:fixed;left:24px;bottom:24px;z-index:85;width:58px;height:58px;border:0;border-radius:50%;background:#ffb400;color:#fff;font-weight:900;font-size:24px;box-shadow:0 10px 28px rgba(0,0,0,.2)}.promo-trigger:hover{transform:translateY(-3px)}.sale-modal .modal{background:#ffb400;text-align:center}.sale-modal h2{font-size:60px;line-height:.9;margin:8px 0}.footer{background:#111;color:#fff;padding:60px 0 30px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer a{display:block;color:#ccc;margin:8px 0}.footer-bottom{border-top:1px solid #444;margin-top:40px;padding-top:20px;color:#aaa;font-family:var(--sans);font-size:.78rem}
@media(max-width:1250px){.nav-shell{width:min(calc(100% - 30px),1180px)}.brand{min-width:190px}.brand-copy{font-size:16px}.nav-link{font-size:15px;padding:9px 10px}.course-grid{grid-template-columns:repeat(3,1fr)}.course-cell:nth-child(4n+3) .course-hover,.course-cell:nth-child(4n+4) .course-hover{left:-16px;right:auto;transform-origin:top left}.course-cell:nth-child(3n+3) .course-hover{left:auto;right:-16px;transform-origin:top right}.benefit-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:980px){body{font-size:16px}.nav-links{display:none}.menu-toggle{display:block}.brand{min-width:0}.nav-shell{height:66px}.course-grid{grid-template-columns:repeat(2,1fr)}.course-hover{display:none}.quick-btn{display:inline-block}.detail-layout,.doc-detail{grid-template-columns:1fr}.side-product,.download-card{position:static}.article{font-size:18px}.doc-grid{grid-template-columns:1fr}.filters{grid-template-columns:1fr 1fr}.filters .input{grid-column:1/-1}.process-grid{grid-template-columns:1fr}.pricing-panel.active{grid-template-columns:1fr}.auth-card{grid-template-columns:1fr}.auth-brand{min-height:280px}.metric-grid{grid-template-columns:repeat(2,1fr)}.learn-shell{grid-template-columns:1fr}.lesson-panel{max-height:none;border-left:0}.support-rail{right:12px}.support-btn{width:54px;height:54px;font-size:14px}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--container))}.page-main{padding-top:34px}.page-title{margin-bottom:24px}.site-header{top:4px}.nav-shell{width:calc(100% - 18px);height:64px;padding:0 10px}.brand-mark{width:42px;height:42px}.brand-copy{display:none}.course-grid{grid-template-columns:1fr 1fr;gap:28px 12px}.course-name{font-size:20px}.course-price{font-size:16px}.course-cover{border-radius:14px}.quick-btn{font-size:12px}.detail-layout{gap:28px}.article h1{font-size:34px}.article{font-size:17px}.article h2{font-size:25px}.side-product{padding:20px;border-radius:24px}.side-product .course-cover{max-width:230px}.support-rail{top:auto;bottom:12px;right:12px;transform:none;display:flex}.support-btn{width:46px;height:46px}.support-btn.top{height:46px;border-radius:50%}.filters{grid-template-columns:1fr}.filters .input{grid-column:auto}.doc-card{grid-template-columns:110px 1fr;min-height:190px}.doc-card img{width:110px}.doc-info{padding:15px}.doc-info h3{font-size:21px}.doc-meta{font-size:.7rem}.doc-foot{margin-top:12px}.gray-hero{padding:28px}.benefit-grid{grid-template-columns:1fr}.form-grid,.social-grid{grid-template-columns:1fr}.auth-page{padding-top:80px}.auth-form{padding:28px 22px}.auth-brand{padding:28px;min-height:220px}.auth-brand h1{font-size:40px}.dashboard-layout{grid-template-columns:1fr}.dash-side{position:relative;height:auto}.dash-main{padding:18px}.metric-grid{grid-template-columns:1fr 1fr}.learn-top{padding:0 12px}.learn-top .brand{min-width:0}.learn-top .brand-copy{display:none}.video-zone{padding:12px}.lesson-panel{max-height:none}.quick-modal-body{grid-template-columns:1fr}.quick-modal-body img{max-width:180px;margin:auto}.footer-grid{grid-template-columns:1fr}.sale-modal h2{font-size:40px}}

/* Razor Pages integration layer. Theme assets are loaded only when OM EDU is active. */
.theme-om-edu{--bs-body-font-family:var(--serif);--bs-body-bg:var(--paper);--bs-body-color:var(--ink)}
.theme-om-edu .skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#111;color:#fff;padding:10px 16px;border-radius:12px}.theme-om-edu .skip-link:focus{top:12px}
.theme-om-edu .brand-copy small{display:block;margin-top:7px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#777}
.theme-om-edu .site-header .brand-copy>span{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.theme-om-edu .om-nav-group{position:relative}.theme-om-edu .om-nav-group summary{list-style:none}.theme-om-edu .om-nav-group summary::-webkit-details-marker{display:none}
.theme-om-edu .om-nav-submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:230px;padding:10px;background:#fff;border:1px solid #c9c9c6;border-radius:18px;box-shadow:var(--shadow);display:grid;gap:3px}
.theme-om-edu .om-nav-submenu a{padding:10px 12px;border-radius:12px;font-family:var(--sans);font-size:15px;font-weight:700}.theme-om-edu .om-nav-submenu a:hover,.theme-om-edu .om-nav-submenu a.active{background:#e3e3e1}
.theme-om-edu .mobile-menu form{margin:0}.theme-om-edu .mobile-menu button{width:100%;padding:13px 15px;border:0;border-radius:14px;background:transparent;text-align:left;font-weight:700}.theme-om-edu .mobile-menu button:hover{background:#e3e3e1}.theme-om-edu .om-mobile-child{padding-left:30px;color:#666}
.theme-om-edu .om-library-heading,.theme-om-edu .om-section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px}.theme-om-edu .om-library-heading{margin-bottom:38px}.theme-om-edu .om-library-heading .page-title{margin-bottom:0}.theme-om-edu .om-library-heading .caps{margin:0 0 8px}
.theme-om-edu .om-library-section{margin-top:50px}.theme-om-edu .om-library-section:first-of-type{margin-top:0}.theme-om-edu .om-section-heading{padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid #bdbdb9}.theme-om-edu .om-section-heading h2{font-size:clamp(1.75rem,2.4vw,2.7rem);line-height:1.05;margin:0}.theme-om-edu .om-section-heading span{font-family:var(--sans);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}
.theme-om-edu .course-cover{position:relative}.theme-om-edu .om-owned-badge{position:absolute;left:12px;top:12px;padding:7px 10px;background:#ffb400;color:#111;border-radius:999px;font-family:var(--sans);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.theme-om-edu .om-empty-state{padding:34px;border:1px solid #c8c8c4;border-radius:22px;background:#fff;text-align:center}
.theme-om-edu .om-footer-copy{color:#bbb;max-width:520px;margin:22px 0}.theme-om-edu .om-footer-phone{font-size:28px!important;color:#ffb400!important}.theme-om-edu .footer-bottom{display:flex;justify-content:space-between;gap:20px}.theme-om-edu .footer .brand-copy small{color:#aaa}

/* Existing functional pages keep their Razor handlers while adopting the OM visual system. */
.theme-om-edu .container.py-4,.theme-om-edu .container.py-lg-5{padding-top:54px!important;padding-bottom:100px!important}
.theme-om-edu .card{border:1px solid #c8c8c4!important;border-radius:24px!important;background:#fff;box-shadow:none!important}.theme-om-edu .card-img-top{border-radius:23px 23px 0 0}
.theme-om-edu .form-control,.theme-om-edu .form-select{border:1px solid #bdbdb9;border-radius:14px;min-height:50px;padding:10px 14px}.theme-om-edu textarea.form-control{min-height:auto}.theme-om-edu .form-control:focus,.theme-om-edu .form-select:focus{border-color:#111;box-shadow:0 0 0 3px rgba(0,0,0,.08)}
.theme-om-edu .btn-brand,.theme-om-edu .btn-auth-primary,.theme-om-edu .learning-player__next-btn{background:#ffb400!important;color:#111!important;border-color:#ffb400!important}.theme-om-edu .btn-outline-brand{background:transparent!important;color:#111!important;border:1px solid #111!important}
.theme-om-edu .row.g-4>.col-lg-8{font-size:21px;line-height:1.6}.theme-om-edu .row.g-4>.col-lg-8>h1{font-size:clamp(2.7rem,5vw,5.2rem);line-height:1;margin-bottom:28px!important}.theme-om-edu .row.g-4>.col-lg-8>h2{font-size:32px;margin-top:42px!important}.theme-om-edu .sticky-card{position:sticky;top:112px;background:#e3e3e1!important;padding:14px}.theme-om-edu .sticky-card .card-body{padding:22px 10px 10px}.theme-om-edu .sticky-card .text-brand{color:#e87500!important}
.theme-om-edu .course-lesson-card,.theme-om-edu .course-review-card{border:1px solid #c8c8c4;border-radius:18px;background:#fff}.theme-om-edu .course-review-form{padding:24px;border-radius:22px;background:#e3e3e1}
.theme-om-edu .auth-page{padding:90px 20px 70px}.theme-om-edu .auth-shell{width:min(100%,1040px);display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border:1px solid #bbb;border-radius:34px;overflow:hidden;box-shadow:var(--shadow-lg)}.theme-om-edu .auth-shell>.auth-brand{display:flex;background:#111;color:#fff;padding:42px;min-height:620px}.theme-om-edu .auth-shell>.auth-card{display:block;width:auto;border:0;border-radius:0;box-shadow:none;padding:42px}.theme-om-edu .auth-card__body{padding:0}.theme-om-edu .auth-tabs{margin-bottom:32px}.theme-om-edu .auth-lead{font-size:22px}
.theme-om-edu .dashboard-shell{background:#e3e3df}.theme-om-edu .dashboard-sidebar{background:#111;color:#fff}.theme-om-edu .dashboard-profile,.theme-om-edu .dashboard-section-card{background:transparent;border-color:#333;box-shadow:none}.theme-om-edu .dashboard-nav__link{color:#bbb}.theme-om-edu .dashboard-nav__link.is-active,.theme-om-edu .dashboard-nav__link:hover{background:#292929;color:#fff}.theme-om-edu .dashboard-main{background:#e3e3df}.theme-om-edu .dashboard-panel,.theme-om-edu .dashboard-hero,.theme-om-edu .dashboard-stat,.theme-om-edu .dashboard-course-card{border-radius:22px;border:1px solid #c8c8c4;background:#fff;box-shadow:none}
.theme-om-edu .learning-layout{background:#161616}.theme-om-edu .learning-sidebar{background:#0c0c0c}.theme-om-edu .learning-main{background:#161616;color:#fff}.theme-om-edu .learning-topbar,.theme-om-edu .learning-card{background:#242424;border-color:#3a3a3a;color:#fff}.theme-om-edu .learning-card .text-muted{color:#bbb!important}.theme-om-edu .learning-scroll-panel .learning-card{border-radius:20px}
@media(max-width:980px){.theme-om-edu .auth-shell{grid-template-columns:1fr}.theme-om-edu .auth-shell>.auth-brand{min-height:230px}.theme-om-edu .om-library-heading{align-items:flex-start}.theme-om-edu .row.g-4>.col-lg-8{font-size:18px}.theme-om-edu .sticky-card{position:static}}
@media(max-width:680px){.theme-om-edu .om-library-heading,.theme-om-edu .om-section-heading{align-items:flex-start;flex-direction:column}.theme-om-edu .om-library-heading{margin-bottom:34px}.theme-om-edu .om-library-section{margin-top:44px}.theme-om-edu .auth-shell>.auth-brand,.theme-om-edu .auth-shell>.auth-card{padding:28px 22px}.theme-om-edu .footer-bottom{flex-direction:column}}

/* Complete OM EDU Razor views */
.theme-om-edu .om-detail-kicker,.theme-om-edu .om-lesson-eyebrow{margin:0 0 16px}.theme-om-edu .om-rich-content{max-width:75ch}.theme-om-edu .om-rich-content img{border-radius:22px;margin:24px 0}.theme-om-edu .om-benefit-list{display:grid;gap:12px;padding-left:1.4em}.theme-om-edu .om-benefit-list li::marker{color:#e9a500}.theme-om-edu .om-schedule-link{display:grid;gap:3px;margin:18px 0;padding:14px;border-radius:14px;background:#fff;font-family:var(--sans);font-size:14px}.theme-om-edu .om-schedule-link span{color:#666}.theme-om-edu .om-register-form{margin-top:18px}.theme-om-edu .om-register-form .register-btn{margin-top:0}.theme-om-edu .om-course-reviews{margin-top:72px}.theme-om-edu .om-review-form{margin:28px 0}.theme-om-edu .om-review-list{display:grid;gap:14px}.theme-om-edu .om-review-item{padding:22px 0;border-bottom:1px solid #c9c9c6}.theme-om-edu .om-review-item>div{display:flex;justify-content:space-between;gap:16px;font-family:var(--sans);font-size:14px}.theme-om-edu .om-review-item h3{margin:6px 0;font-size:24px}.theme-om-edu .om-review-item p{margin:4px 0}.theme-om-edu .om-stars{color:#e9a500;letter-spacing:.08em}
.theme-om-edu .om-checkout-container{max-width:1100px}.theme-om-edu .om-checkout-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:34px;align-items:start}.theme-om-edu .om-payment-panel{margin:0}.theme-om-edu .om-payment-panel h2{font-size:34px;margin:0 0 6px}.theme-om-edu .om-bank-card{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center;padding:20px;background:#fff;border:1px solid #c8c8c4;border-radius:22px}.theme-om-edu .om-bank-card img{border-radius:14px}.theme-om-edu .om-bank-card dl{display:grid;gap:12px;margin:0}.theme-om-edu .om-bank-card dl div{display:grid;grid-template-columns:110px 1fr;gap:12px}.theme-om-edu .om-bank-card dt{font-family:var(--sans);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#666}.theme-om-edu .om-bank-card dd{margin:0;font-weight:700}.theme-om-edu .om-bank-card code{white-space:normal}.theme-om-edu .om-order-summary{position:sticky}.theme-om-edu .om-checkout-cover{width:100%;aspect-ratio:7/6;object-fit:cover;border-radius:18px}.theme-om-edu .om-voucher-form{margin:20px 0}.theme-om-edu .om-price-summary{display:grid;gap:10px;padding-top:18px;border-top:1px solid #bbb}.theme-om-edu .om-price-summary>div{display:flex;justify-content:space-between;gap:14px;font-family:var(--sans);font-size:14px}.theme-om-edu .om-price-summary .total{font-size:20px;padding-top:12px;border-top:1px solid #bbb}.theme-om-edu .om-price-summary .total strong{color:#e87500}.theme-om-edu .om-text-button{border:0;background:transparent;padding:0;color:#a52720;text-decoration:underline}.theme-om-edu .om-message{padding:14px 18px;margin:0 0 22px;border-radius:14px;font-family:var(--sans);font-size:14px}.theme-om-edu .om-message.success{background:#dcefe9;color:#075d53}.theme-om-edu .om-message.error{background:#f9e1df;color:#8e241c}.theme-om-edu .om-error-state{text-align:center}.theme-om-edu .om-error-state>strong{display:block;font-size:clamp(7rem,18vw,13rem);line-height:.8}.theme-om-edu .om-error-state h1{margin:28px 0}
.theme-om-edu .om-auth-page{min-height:calc(100dvh - 90px)}.theme-om-edu .om-auth-page .auth-card{align-items:stretch}.theme-om-edu .om-auth-page .auth-brand p{color:#aaa;max-width:32ch}.theme-om-edu .om-auth-page .auth-brand h1{text-wrap:balance}.theme-om-edu .om-auth-page .auth-form{align-content:center}.theme-om-edu .om-auth-page .auth-form>div:first-child h1{font-size:46px;line-height:1;margin:0 0 8px}.theme-om-edu .om-validation-summary,.theme-om-edu .om-field-error{color:#a52720;font-family:var(--sans);font-size:13px}.theme-om-edu .om-validation-summary:empty,.theme-om-edu .om-field-error:empty{display:none}.theme-om-edu .om-validation-summary ul{margin:0;padding-left:18px}.theme-om-edu .om-google-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;border:1px solid #ccc;font-family:var(--sans);font-weight:900}
.theme-om-edu .om-dashboard-layout{grid-template-columns:270px minmax(0,1fr)}.theme-om-edu .dash-side{z-index:10}.theme-om-edu .dash-side .brand-copy small{color:#888}.theme-om-edu .om-dash-user{display:grid;justify-items:start;gap:5px;margin:38px 0 24px;padding:18px 12px;border-top:1px solid #333;border-bottom:1px solid #333}.theme-om-edu .om-dash-user form label{position:relative;display:block;cursor:pointer}.theme-om-edu .om-dash-user img{width:70px;height:70px;object-fit:cover;border-radius:18px}.theme-om-edu .om-dash-user label span{position:absolute;inset:auto 4px 4px;background:#ffb400;color:#111;padding:2px 6px;border-radius:7px;font:700 9px var(--sans)}.theme-om-edu .om-dash-user input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.theme-om-edu .om-dash-user>span{color:#999;font:700 11px var(--sans);letter-spacing:.08em}.theme-om-edu .dash-nav form{margin:0}.theme-om-edu .dash-nav button{width:100%;padding:12px;border:0;border-radius:12px;background:transparent;color:#bbb;text-align:left;font:700 16px var(--sans)}.theme-om-edu .dash-nav button:hover{background:#292929;color:#fff}.theme-om-edu .om-dash-heading,.theme-om-edu .om-panel-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}.theme-om-edu .om-dash-heading{margin-bottom:32px}.theme-om-edu .om-dash-heading .page-title{margin:0}.theme-om-edu .om-panel-heading{margin-bottom:20px}.theme-om-edu .om-panel-heading h2{margin:0;font-size:32px}.theme-om-edu .om-panel-heading span{font:700 12px var(--sans);color:#666}.theme-om-edu .om-metric-money{font-size:25px}.theme-om-edu .progress-row:last-child{border-bottom:0}.theme-om-edu .progress-row p{margin:5px 0 10px}.theme-om-edu .om-profile-form,.theme-om-edu .om-affiliate-form{max-width:820px}.theme-om-edu .om-subnav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}.theme-om-edu .om-subnav a{padding:10px 15px;border:1px solid #bbb;border-radius:999px;font:700 13px var(--sans)}.theme-om-edu .om-subnav a.active,.theme-om-edu .om-subnav a:hover{background:#111;color:#fff}.theme-om-edu .om-copy-field{display:grid;grid-template-columns:1fr auto;gap:10px}.theme-om-edu .om-table-wrap{overflow:auto}.theme-om-edu .om-table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:14px}.theme-om-edu .om-table th,.theme-om-edu .om-table td{padding:13px;border-bottom:1px solid #ddd;text-align:left}.theme-om-edu .om-table th{font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.theme-om-edu.learning-page{background:#161616;color:#fff}.theme-om-edu.learning-page .vc-lp{min-height:100dvh}.theme-om-edu .learn-top{height:76px}.theme-om-edu .learn-top .brand{position:absolute;left:50%;transform:translateX(-50%)}.theme-om-edu .learn-top .brand-copy small{color:#777}.theme-om-edu .om-learn-progress-text{margin-left:auto;color:#aaa;font:700 13px var(--sans)}.theme-om-edu .learn-shell{min-height:calc(100dvh - 76px)}.theme-om-edu .video-zone{min-width:0}.theme-om-edu .om-video-box{display:block;position:relative;background:#090909;overflow:hidden}.theme-om-edu .om-video-box video,.theme-om-edu .om-video-box iframe,.theme-om-edu .om-video-box #lesson-video-frame{width:100%;height:100%;border:0}.theme-om-edu .youtube-custom-wrapper{position:absolute;inset:0}.theme-om-edu #youtube-clean-hitarea{position:absolute;inset:0;z-index:2;cursor:pointer}.theme-om-edu .youtube-custom-controls{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;display:flex;align-items:center;gap:10px;padding:10px;background:rgba(0,0,0,.82);border-radius:12px}.theme-om-edu .youtube-custom-controls button{border:0;background:transparent;color:#fff}.theme-om-edu .youtube-range{min-width:0;flex:1;accent-color:#ffb400}.theme-om-edu .om-volume{max-width:90px}.theme-om-edu .youtube-time{font-size:12px;color:#ddd}.theme-om-edu .om-video-gate{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;text-align:center;padding:28px}.theme-om-edu .om-video-gate>span{font-size:48px}.theme-om-edu .om-video-gate h2{margin:14px 0 6px}.theme-om-edu .om-video-gate p{color:#aaa}.theme-om-edu .video-title{text-wrap:balance}.theme-om-edu .om-lesson-content{color:#c8c8c8;max-width:75ch}.theme-om-edu .om-lesson-content img{border-radius:18px;margin:18px 0}.theme-om-edu .om-lesson-actions{margin:26px 0}.theme-om-edu .om-lesson-actions form{margin:0}.theme-om-edu .om-learning-tools{margin-top:34px;padding:24px;background:#242424;border:1px solid #3a3a3a;border-radius:20px}.theme-om-edu .om-learning-tools .field label{color:#ddd}.theme-om-edu .om-note,.theme-om-edu .om-comment{padding:14px 0;border-top:1px solid #3a3a3a}.theme-om-edu .om-note button{border:0;background:#ffb400;color:#111;border-radius:8px;padding:5px 8px;font:800 11px var(--sans)}.theme-om-edu .om-note p{margin:8px 0}.theme-om-edu .om-note span,.theme-om-edu .om-comment span{color:#888;font-size:12px}.theme-om-edu .om-comment>div{display:flex;justify-content:space-between}.theme-om-edu .lesson-panel-head p{margin:6px 0;color:#aaa;font-size:13px}.theme-om-edu .learn-item{text-decoration:none}.theme-om-edu .learn-item.completed{color:#9ed8c9}
@media(max-width:1180px){.theme-om-edu .nav-links{display:none}.theme-om-edu .menu-toggle{display:block}.theme-om-edu .brand{min-width:0}.theme-om-edu .nav-shell{height:66px}.theme-om-edu .mobile-menu{font-family:var(--sans)}}
@media(max-width:980px){.theme-om-edu .om-checkout-layout{grid-template-columns:1fr}.theme-om-edu .om-order-summary{position:static}.theme-om-edu .om-dashboard-layout{grid-template-columns:1fr}.theme-om-edu .om-dashboard-layout .dash-side{position:relative;height:auto}.theme-om-edu .om-dash-user{display:none}.theme-om-edu .dash-nav{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:20px}.theme-om-edu .dash-nav a,.theme-om-edu .dash-nav button{text-align:center;font-size:13px}.theme-om-edu .learn-top .brand{position:static;transform:none}.theme-om-edu .learn-shell{grid-template-columns:1fr}.theme-om-edu .lesson-panel{max-height:none}}
@media(max-width:680px){.theme-om-edu .om-bank-card{grid-template-columns:1fr}.theme-om-edu .om-bank-card img{margin:auto}.theme-om-edu .om-bank-card dl div{grid-template-columns:1fr}.theme-om-edu .om-dash-heading,.theme-om-edu .om-panel-heading{align-items:flex-start;flex-direction:column}.theme-om-edu .dash-nav{grid-template-columns:1fr 1fr}.theme-om-edu .progress-row{grid-template-columns:68px 1fr}.theme-om-edu .progress-row img{width:68px;height:84px}.theme-om-edu .progress-row .btn{grid-column:1/-1}.theme-om-edu .om-copy-field{grid-template-columns:1fr}.theme-om-edu .learn-top{height:auto;min-height:70px;flex-wrap:wrap}.theme-om-edu .om-learn-progress-text{width:100%;margin:0}.theme-om-edu .video-zone{padding:12px}.theme-om-edu .om-learning-tools{padding:18px}.theme-om-edu .om-lesson-actions .btn{width:100%}.theme-om-edu .page-title{font-size:clamp(1.9rem,10vw,2.6rem)}.theme-om-edu .om-section-heading h2{font-size:1.75rem}}
@media(max-width:480px){.theme-om-edu .course-grid{grid-template-columns:1fr}.theme-om-edu .brand-copy{display:block}.theme-om-edu .brand-copy small{display:none}}

/* Visual refinement: restrained previews, harmonious type and configurable floating actions. */
.theme-om-edu{
    --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
    --sans:"Lexend","Source Sans 3",Arial,sans-serif;
    --bs-body-font-family:var(--sans);
}
.theme-om-edu,
.theme-om-edu body{font-family:var(--sans);font-size:16px;line-height:1.6;letter-spacing:-.012em}
.theme-om-edu h1,
.theme-om-edu h2,
.theme-om-edu .page-title,
.theme-om-edu .section-title,
.theme-om-edu .gray-hero h1,
.theme-om-edu .article>h1,
.theme-om-edu .article>h2{font-family:var(--serif);font-weight:700;letter-spacing:-.025em}
.theme-om-edu h3,
.theme-om-edu h4,
.theme-om-edu .course-name,
.theme-om-edu .hover-title,
.theme-om-edu .nav-link,
.theme-om-edu .btn{font-family:var(--sans);letter-spacing:-.025em}
.theme-om-edu .course-name{font-size:clamp(1.1rem,1.3vw,1.35rem);line-height:1.2;font-weight:700}
.theme-om-edu .course-price{font-family:var(--serif);font-size:1.1rem;letter-spacing:0}
.theme-om-edu .course-cover{transition:transform .2s ease,box-shadow .2s ease}
.theme-om-edu .course-card:hover .course-cover{transform:translateY(-3px);box-shadow:0 9px 22px rgba(0,0,0,.14)}
.theme-om-edu .course-hover{
    width:min(520px,calc(100vw - 48px));
    min-height:0;
    padding:16px;
    grid-template-columns:170px minmax(0,1fr);
    gap:18px;
    border-radius:20px;
    box-shadow:0 14px 38px rgba(0,0,0,.18);
    transform:translateY(6px);
}
.theme-om-edu .course-cell:hover .course-hover{transform:translateY(0)}
.theme-om-edu .hover-cover{height:250px;border-radius:14px}
.theme-om-edu .hover-title{font-size:1.45rem;line-height:1.18;margin-bottom:5px}
.theme-om-edu .hover-price{font-family:var(--serif);font-size:1.05rem;margin-bottom:12px}
.theme-om-edu .hover-meta{font-family:var(--sans);font-size:.9rem;line-height:1.45;font-style:normal;margin-bottom:6px}
.theme-om-edu .hover-desc{font-family:var(--sans);font-size:.88rem;line-height:1.55;font-style:normal;margin-top:8px;-webkit-line-clamp:4}

.theme-om-edu .support-rail{right:20px;top:auto;bottom:24px;transform:none;gap:10px}
.theme-om-edu .support-btn{
    position:relative;
    width:50px;
    height:50px;
    border:1px solid rgba(17,17,17,.14);
    border-radius:50%;
    color:#111;
    background:#fff;
    box-shadow:0 7px 20px rgba(0,0,0,.14);
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.theme-om-edu .support-btn svg{width:22px;height:22px;fill:currentColor;overflow:visible}
.theme-om-edu .support-btn .support-icon-stroke{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.theme-om-edu .support-btn .support-icon-cutout{fill:var(--green)}
.theme-om-edu .support-btn--phone,
.theme-om-edu .support-btn--chat,
.theme-om-edu .support-btn--zalo{background:var(--green);border-color:var(--green);color:#fff}
.theme-om-edu .support-btn--facebook{background:#1877f2;border-color:#1877f2;color:#fff}
.theme-om-edu .support-btn--email{background:#e9a500;border-color:#e9a500;color:#111}
.theme-om-edu .support-btn--location{background:#111;border-color:#111;color:#fff}
.theme-om-edu .support-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.theme-om-edu .support-btn:focus-visible{outline:3px solid #ffb400;outline-offset:3px}
.theme-om-edu .support-tooltip{
    position:absolute;
    right:calc(100% + 10px);
    top:50%;
    width:max-content;
    max-width:220px;
    padding:7px 10px;
    border-radius:8px;
    background:#111;
    color:#fff;
    font:600 12px/1.35 var(--sans);
    letter-spacing:0;
    opacity:0;
    visibility:hidden;
    transform:translate(5px,-50%);
    transition:opacity .16s ease,transform .16s ease,visibility .16s;
    pointer-events:none;
}
.theme-om-edu .support-btn:hover .support-tooltip,
.theme-om-edu .support-btn:focus-visible .support-tooltip{opacity:1;visibility:visible;transform:translate(0,-50%)}
@media(max-width:680px){
    .theme-om-edu .support-rail{right:12px;bottom:14px;display:grid;gap:8px}
    .theme-om-edu .support-btn{width:44px;height:44px}
    .theme-om-edu .support-btn svg{width:20px;height:20px}
    .theme-om-edu .course-name{font-size:1.05rem}
}
@media(prefers-reduced-motion:reduce){
    .theme-om-edu .course-cover,
    .theme-om-edu .course-hover,
    .theme-om-edu .support-btn,
    .theme-om-edu .support-tooltip{transition:none!important}
}

/* OM EDU template fidelity: cursor-following preview and two-column mobile library. */
.theme-om-edu .om-mobile-login,
.theme-om-edu .om-bottom-nav{display:none}
.theme-om-edu .course-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:42px 22px}
.theme-om-edu .course-name,
.theme-om-edu .hover-title,
.theme-om-edu .hover-price,
.theme-om-edu .hover-meta,
.theme-om-edu .hover-desc{font-family:var(--serif)}
.theme-om-edu .course-name{font-size:clamp(1.2rem,1.45vw,1.55rem);line-height:1.08;font-weight:700}
.theme-om-edu .course-hover{
    position:fixed;
    z-index:160;
    left:var(--om-preview-x,calc(50vw - 360px))!important;
    right:auto!important;
    top:var(--om-preview-y,110px)!important;
    width:clamp(680px,55vw,920px);
    min-height:400px;
    max-height:calc(100dvh - 112px);
    grid-template-columns:minmax(250px,300px) minmax(0,1fr);
    gap:26px;
    padding:24px;
    overflow:hidden;
    border-radius:26px;
    transform:translate3d(0,8px,0);
    transform-origin:center;
    transition:opacity .16s ease,visibility .16s,transform .16s ease;
}
.theme-om-edu .course-cell:hover .course-hover,
.theme-om-edu .course-cell.is-preview-active .course-hover,
.theme-om-edu .course-cell:focus-within .course-hover{transform:translate3d(0,0,0)}
.theme-om-edu .course-cell.is-preview-active .course-hover{opacity:1;visibility:visible}
.theme-om-edu .hover-cover{height:min(360px,calc(100dvh - 158px));border-radius:20px}
.theme-om-edu .hover-title{font-size:clamp(1.8rem,2.25vw,2.45rem);line-height:1.04}
.theme-om-edu .hover-price{font-size:1.35rem}
.theme-om-edu .hover-meta{font-size:1.15rem;line-height:1.35;font-style:italic}
.theme-om-edu .hover-desc{font-size:1.05rem;line-height:1.45;font-style:italic;-webkit-line-clamp:5}

@media(max-width:1500px){
    .theme-om-edu .course-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:1250px){
    .theme-om-edu .course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:980px){
    .theme-om-edu .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .theme-om-edu .course-hover{display:none}
    .theme-om-edu .quick-btn{display:none}
}
@media(max-width:680px){
    .theme-om-edu{padding-bottom:82px}
    .theme-om-edu .site-header{top:6px;padding-top:6px}
    .theme-om-edu .nav-shell{width:calc(100% - 28px);height:66px;padding:0 11px 0 12px;gap:9px}
    .theme-om-edu .brand{min-width:0;gap:8px}
    .theme-om-edu .brand-mark{width:42px;height:42px}
    .theme-om-edu .brand-copy{display:block;max-width:150px;font-size:16px;line-height:.9}
    .theme-om-edu .brand-copy small{display:none}
    .theme-om-edu .nav-links,
    .theme-om-edu .menu-toggle,
    .theme-om-edu .mobile-menu{display:none!important}
    .theme-om-edu .om-mobile-login{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin-left:auto;padding:0 18px;border-radius:999px;background:var(--yellow);color:#fff;font:700 1.05rem/1 var(--serif);white-space:nowrap}
    .theme-om-edu .page-main{padding:46px 0 36px}
    .theme-om-edu .container{width:calc(100% - 28px)}
    .theme-om-edu .om-home-library .page-title{margin-bottom:28px}
    .theme-om-edu .course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 14px}
    .theme-om-edu .course-cover{border-radius:18px}
    .theme-om-edu .course-name{margin:12px 4px 0;font-size:clamp(1.08rem,5vw,1.38rem);line-height:1.12}
    .theme-om-edu .course-price{display:none}
    .theme-om-edu .support-rail{top:54%;right:10px;bottom:auto;transform:translateY(-50%);display:grid;gap:10px}
    .theme-om-edu .support-btn{width:52px;height:52px}
    .theme-om-edu .support-btn svg{width:23px;height:23px}
    .theme-om-edu .support-tooltip{display:none}
    .theme-om-edu .om-bottom-nav{position:fixed;z-index:200;left:0;right:0;bottom:0;height:78px;padding:7px max(8px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:rgba(255,255,255,.97);border-top:1px solid #d8d8d4;box-shadow:0 -5px 20px rgba(0,0,0,.08);display:grid;grid-template-columns:repeat(4,1fr);backdrop-filter:blur(14px)}
    .theme-om-edu .om-bottom-nav a{display:grid;place-items:center;align-content:center;gap:2px;min-width:0;color:#6c6a68;font:600 .78rem/1.1 var(--serif)}
    .theme-om-edu .om-bottom-nav a.active{color:#ef5a17}
    .theme-om-edu .om-bottom-nav svg{width:27px;height:27px;fill:currentColor}
    .theme-om-edu .om-bottom-nav .om-bottom-stroke{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
    .theme-om-edu .footer{padding-bottom:100px}
}
@media(max-width:480px){
    .theme-om-edu .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .theme-om-edu .brand-copy{display:block}
    .theme-om-edu .om-mobile-login{padding-inline:15px;font-size:1rem}
}