.yhf-portal{--yhf-green:#277b60;--yhf-dark:#173c32;--yhf-light:#eff7f2;--yhf-ink:#243b36;--yhf-muted:#62746d;--yhf-border:#deebe3;color:var(--yhf-ink);font-family:inherit;font-size:16px;line-height:1.6;max-width:1180px;margin:28px auto 65px;padding:0 18px;box-sizing:border-box}.yhf-portal *{box-sizing:border-box}.yhf-portal h1,.yhf-portal h2,.yhf-portal h3{color:var(--yhf-dark);line-height:1.2;margin:0 0 16px}.yhf-portal h1{font-size:clamp(30px,4vw,48px)}.yhf-portal h2{font-size:26px}.yhf-portal a{text-decoration:none}.yhf-eyebrow{display:block;color:var(--yhf-green);font-size:12px;font-weight:800;letter-spacing:1.8px;margin-bottom:15px}.yhf-btn{background:var(--yhf-green);color:#fff!important;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--yhf-green);border-radius:9px;padding:12px 22px;font-weight:700;font-size:15px;line-height:1.4;cursor:pointer;transition:background .2s}.yhf-btn:hover{background:#185c45;color:#fff}.yhf-btn-outline{color:var(--yhf-green)!important;background:transparent}.yhf-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 0 23px;margin-bottom:28px;border-bottom:1px solid var(--yhf-border)}.yhf-brand{font-size:20px;font-weight:800;color:var(--yhf-dark)!important}.yhf-brand-icon{color:var(--yhf-green)}.yhf-navlinks{display:flex;gap:23px;flex-wrap:wrap}.yhf-navlinks a{color:var(--yhf-ink);font-size:14px;font-weight:650}.yhf-navlinks a:hover{color:var(--yhf-green)}.yhf-hero{background:linear-gradient(118deg,#e8f4eb 0%,#f7faf4 80%);border:1px solid var(--yhf-border);border-radius:20px;padding:clamp(28px,5vw,62px);margin-bottom:24px}.yhf-hero p{max-width:640px;font-size:18px;margin:0 0 27px}.yhf-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 36px}.yhf-stats>div{padding:22px 25px;background:#fff;border:1px solid var(--yhf-border);border-radius:14px}.yhf-stats strong{font-size:33px;color:var(--yhf-green);display:block;line-height:1.2}.yhf-stats span{font-size:14px;color:var(--yhf-muted)}.yhf-page-head{margin:32px 0}.yhf-page-head p{color:var(--yhf-muted)}.yhf-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:24px 0}.yhf-course-card{overflow:hidden;border:1px solid var(--yhf-border);border-radius:15px;background:#fff;box-shadow:0 6px 24px rgba(16,60,36,.04);height:100%}.yhf-cover{position:relative;display:block;aspect-ratio:16/10;background:#e3ede8;overflow:hidden}.yhf-cover img{height:100%;width:100%;object-fit:cover;display:block;transition:transform .3s}.yhf-cover:hover img{transform:scale(1.05)}.yhf-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(120deg,#d8eddf,#ebf2e8);color:var(--yhf-green);font-size:36px}.yhf-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;color:var(--yhf-green);box-shadow:0 2px 12px #1236;border-radius:50%;width:49px;height:49px;display:grid;place-items:center;font-size:18px;padding-left:3px}.yhf-card-body{padding:22px}.yhf-card-body h3{font-size:20px;margin:15px 0 8px}.yhf-card-body h3 a{color:var(--yhf-dark)}.yhf-card-body p{font-size:14px;color:var(--yhf-muted);min-height:66px}.yhf-status{display:inline-block;padding:4px 11px;background:#f2f4f4;border-radius:30px;color:#697772;font-size:12px;font-weight:700}.yhf-status.is-viewed{background:#ddf3e4;color:#206746}.yhf-more,.yhf-back{font-weight:700;color:var(--yhf-green)!important;font-size:14px}.yhf-detail{max-width:950px;margin:0 auto}.yhf-back{display:inline-block;margin-bottom:30px}.yhf-detail h1{margin-bottom:17px}.yhf-video{margin:28px 0 10px;background:#07140f;border-radius:15px;overflow:hidden;line-height:0}.yhf-video video{width:100%;aspect-ratio:16/9;max-height:650px;background:#06120c;display:block}.yhf-video-hint{font-size:13px;color:var(--yhf-muted)}.yhf-course-content{padding:25px 0}.yhf-course-content h2{border-bottom:1px solid var(--yhf-border);padding-bottom:15px}.yhf-auth-wrap{max-width:540px}.yhf-auth,.yhf-panel{padding:clamp(22px,5vw,44px);background:#fff;border:1px solid var(--yhf-border);border-radius:18px;box-shadow:0 8px 35px rgba(20,65,46,.055)}.yhf-auth-header{text-align:center;margin-bottom:29px}.yhf-auth-header p,.yhf-foot{color:var(--yhf-muted)}.yhf-auth-header h2{font-size:30px}.yhf-form{display:flex;flex-direction:column;gap:18px}.yhf-form label{display:flex;flex-direction:column;font-weight:650;font-size:14px;gap:7px}.yhf-form input{height:46px;background:#fff!important;border:1px solid #d2e0d7!important;padding:10px 13px!important;border-radius:8px!important;color:var(--yhf-ink)!important;font-size:15px!important;width:100%;box-shadow:none!important}.yhf-form input:focus{outline:2px solid #97ccb0;outline-offset:1px}.yhf-form button{width:100%;margin-top:8px}.yhf-foot{text-align:center;font-size:14px;margin:18px 0 0}.yhf-foot a{color:var(--yhf-green);font-weight:700}.yhf-alert{padding:12px 16px;border:1px solid #e8c5b4;border-radius:9px;background:#fff5ef;color:#863e27;font-size:14px;margin:16px 0}.yhf-honey{position:absolute!important;left:-99999px!important;width:1px;height:1px;overflow:hidden}.yhf-empty{padding:28px;border-radius:10px;background:var(--yhf-light);color:var(--yhf-muted)}@media(max-width:800px){.yhf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:580px){.yhf-portal{margin:18px auto 35px;padding:0 12px}.yhf-nav{align-items:flex-start;flex-direction:column}.yhf-navlinks{gap:17px}.yhf-grid{grid-template-columns:1fr}.yhf-stats{gap:10px}.yhf-stats>div{padding:16px}.yhf-hero p{font-size:16px}.yhf-auth-header h2{font-size:26px}}

/* YouTube embeds maintain 16:9 aspect ratio. */
.yhf-portal .yhf-youtube{position:relative;aspect-ratio:16/9;height:auto;}
.yhf-portal .yhf-youtube iframe{width:100%;height:100%;position:absolute;inset:0;border:0;}