/* Post presentation only. All original content remains available without JS. */
.ep-study-page{--study-line:#e3e5f0;--study-muted:#68718a;background:#f7f8fc;padding-bottom:56px}
.ep-study-page [hidden]{display:none!important}
.ep-study-page .ep-article-hero{background:radial-gradient(ellipse at 100% 0,#eeebff 0,transparent 55%),#fff;padding:25px 0 32px;border-color:var(--study-line)}
.ep-study-page .ep-article-breadcrumbs{margin-bottom:30px;color:var(--study-muted);font-size:12px}
.ep-study-labels{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.ep-study-eyebrow{font-size:11px;font-weight:750;letter-spacing:.1em;color:var(--accent);margin-right:9px}
.ep-study-chip{font-size:12px;font-weight:650;color:#565075;border:1px solid #e5e1f5;border-radius:7px;background:#f5f3ff;padding:5px 10px}
.ep-study-page .ep-article-hero h1{max-width:1010px;font-size:clamp(30px,3.4vw,46px);line-height:1.18;letter-spacing:-.035em}
.ep-study-page .ep-article-meta{margin-top:23px;color:var(--study-muted);font-size:12px;gap:10px 24px}
.ep-study-page .ep-article-share{color:#655a94;font-size:12px;min-height:44px}
.ep-study-hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:22px;border-top:1px solid var(--study-line);padding-top:23px;margin-top:20px}
.ep-study-facts{display:flex;gap:28px;color:var(--study-muted);font-size:13px}
.ep-study-facts>span{display:flex;align-items:baseline;gap:8px}
.ep-study-facts strong{font-family:var(--heading);font-size:25px;letter-spacing:-.04em;color:var(--ink)}
.ep-study-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.ep-study-actions .button{padding:13px 20px;min-height:46px;font-size:13px}
.ep-study-secondary{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:13px;font-weight:650;color:var(--accent)}
.ep-study-secondary .icon{width:17px;height:17px}
.ep-study-page .ep-article-layout{grid-template-columns:minmax(0,1fr) 274px;gap:32px;padding-top:34px}
.ep-study-page .ep-article-layout-simple{display:block;max-width:900px}
.ep-study-page .ep-article-content{font-size:16px;line-height:1.85;color:#424c65;overflow-wrap:break-word}
.ep-study-page .ep-article-content p{margin-bottom:21px}
.ep-study-page .ep-article-content .ep-article-lead{font-size:16px;color:#535e76;background:#fff;border:1px solid var(--study-line);border-radius:18px;padding:26px 28px;margin-bottom:18px;line-height:1.85}
.ep-study-page .ep-article-content h2{font-size:27px;letter-spacing:-.025em}
.ep-study-page .ep-article-content h3{font-size:23px;line-height:1.4;margin:30px 0 22px}
.ep-study-page .ep-study-regions{margin:0 0 26px;padding:16px 21px;border:1px solid var(--study-line);border-radius:13px;background:#f0f1f9;font-size:14px}
.ep-study-regions summary{cursor:pointer;font-weight:650;color:#505975;min-height:28px}
.ep-study-page .ep-study-regions p{margin:17px 0 0;padding-top:15px;border-top:1px solid #dce0ed;font-size:13px;line-height:1.9}
.ep-study-group{margin:28px 0 36px;scroll-margin-top:110px}
.ep-study-group-head{display:flex;align-items:center;gap:14px;margin-bottom:17px}
.ep-study-number{display:grid;place-items:center;width:45px;height:45px;flex:none;border-radius:13px;background:var(--accent);color:#fff;font-family:var(--heading);font-size:17px;font-weight:700;box-shadow:0 4px 12px #5952ff18}
.ep-study-page .ep-study-group-head h2{margin:0;font-size:24px;line-height:1.3;color:var(--ink)}
.ep-study-group-count{margin-left:auto;font-size:12px;color:var(--study-muted)}
.ep-study-variant-controls{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:15px;padding:6px;border:1px solid var(--study-line);border-radius:13px;background:#efeff8;width:fit-content;max-width:100%}
.ep-study-variant-controls button{min-width:52px;min-height:44px;padding:9px 15px;border:1px solid transparent;border-radius:9px;background:transparent;font:650 13px/1.5 var(--body);color:#626a84;cursor:pointer;transition:background .15s,color .15s}
.ep-study-variant-controls button:hover{background:#fff;color:var(--accent)}
.ep-study-variant-controls button[aria-pressed=true]{background:#fff;color:var(--accent);border-color:#dcd9f6;box-shadow:0 2px 5px #24224608}
.ep-study-variant{padding:26px 28px;border:1px solid var(--study-line);border-radius:18px;background:#fff;margin-top:12px;scroll-margin-top:110px;overflow-wrap:anywhere}
.ep-study-page .ep-study-variant>:last-child{margin-bottom:0}
.ep-study-page .ep-study-variant .ep-study-label{display:table;margin:0 0 17px;background:#f0eeff;border-radius:7px;padding:5px 10px;color:var(--accent);font:700 12px/1.6 var(--body);letter-spacing:0}
.ep-study-page .ep-study-variant h2.ep-study-label,.ep-study-page .ep-study-variant h3.ep-study-label,.ep-study-page .ep-study-variant h4.ep-study-label{font-size:13px}
.ep-study-page .ep-article-content a.ep-article-answer-link{font-size:13px;min-height:44px;padding:10px 15px;border-radius:9px;margin-top:19px;background:#f3f1ff;border-color:#e0dcff;color:#5145d1}
.ep-study-page .ep-article-content a.ep-article-answer-link:hover{background:#e8e3ff;border-color:#c8bffa}
.ep-study-page .ep-article-toc{padding:23px 21px;border-radius:18px;border-color:var(--study-line)}
.ep-study-page .ep-article-toc summary{font-size:14px}
.ep-study-page .ep-article-toc nav{max-height:360px}
.ep-study-page .ep-study-task-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.ep-study-page .ep-study-task-grid li+li{margin:0}
.ep-study-page .ep-study-task-grid li a{display:grid;place-items:center;min-height:46px;padding:10px 5px;border:1px solid var(--study-line);border-radius:10px;background:#f7f8fc;color:#555e78;font-size:14px;font-weight:700;line-height:1.4}
.ep-study-page .ep-study-task-grid li a:hover,.ep-study-page .ep-study-task-grid li a[aria-current=location]{border-color:var(--accent);background:var(--accent);color:#fff}
.ep-study-nav-hint{font-size:12px;line-height:1.7;color:var(--study-muted);margin:16px 0 0}
.ep-study-page .ep-article-back-top{font-size:12px;min-height:44px;color:#716895;margin-top:13px}
.ep-study-page .ep-article-product{background:#eeecff;border:1px solid #dfdaf9;padding:23px 21px;border-radius:18px}
.ep-study-page .ep-article-product h2{font-size:16px;line-height:1.5}
.ep-study-page .ep-article-product p:not(.eyebrow){font-size:12px;color:#686183;line-height:1.75}
.ep-study-page .ep-article-product-price{font-size:26px;color:var(--ink);margin:18px 0}
.ep-study-page .ep-article-product .button{width:100%;font-size:12px;min-height:46px;gap:10px;padding:12px}
.ep-study-page .ep-article-materials p:not(.eyebrow){font-size:13px}
.ep-study-page .ep-article-materials .button{font-size:13px}
.ep-study-page .ep-article-content img{height:auto;max-width:100%;object-fit:contain}
.ep-study-page .ep-article-content .wp-block-table{overflow-x:auto;max-width:100%}
.ep-study-page :is(a,button,summary,input,textarea):focus-visible{outline:3px solid #8073ff;outline-offset:4px}
@media(max-width:1120px){.ep-study-page .ep-article-layout{grid-template-columns:minmax(0,1fr) 248px;gap:24px}.ep-study-page .ep-article-toc,.ep-study-page .ep-article-product{padding:20px 17px}}
@media(max-width:960px){.ep-study-page .ep-article-layout{grid-template-columns:1fr;max-width:850px;padding-top:26px;gap:25px}.ep-study-page .ep-article-toc nav{max-height:none}.ep-study-page .ep-study-task-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.ep-study-nav-hint{margin-top:12px}.ep-study-page .ep-article-back-top{display:none}.ep-study-page .ep-article-share{margin-left:0}.ep-study-page .ep-article-materials{display:block}.ep-study-page .ep-article-materials .button{margin-top:20px}}
@media(max-width:600px){.ep-study-page .ep-article-hero{padding:20px 0 25px}.ep-study-page .ep-article-breadcrumbs{font-size:11px;margin-bottom:25px}.ep-study-page .ep-article-hero h1{font-size:29px;line-height:1.25;letter-spacing:-.03em}.ep-study-labels{gap:7px;margin-bottom:18px}.ep-study-eyebrow{width:100%;margin-bottom:7px}.ep-study-chip{font-size:11px}.ep-study-page .ep-article-meta{font-size:11px;gap:4px 16px;margin-top:17px}.ep-study-page .ep-article-share{font-size:11px}.ep-study-hero-bottom{display:block;margin-top:17px;padding-top:17px}.ep-study-facts{gap:22px;font-size:12px}.ep-study-facts strong{font-size:23px}.ep-study-actions{gap:12px 20px;margin-top:18px}.ep-study-actions .button{font-size:12px}.ep-study-secondary{font-size:12px}.ep-study-page .ep-article-content{font-size:15px;line-height:1.85}.ep-study-page .ep-article-content .ep-article-lead{padding:21px;font-size:15px}.ep-study-page .ep-article-content h3{font-size:22px}.ep-study-page .ep-study-task-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ep-study-group{margin:25px 0 30px}.ep-study-group-head{gap:11px;flex-wrap:wrap}.ep-study-number{width:40px;height:40px;font-size:15px}.ep-study-page .ep-study-group-head h2{font-size:22px}.ep-study-group-count{font-size:11px}.ep-study-variant{padding:22px 20px;border-radius:16px}.ep-study-variant-controls{gap:4px;padding:5px}.ep-study-variant-controls button{min-width:46px;padding:9px 12px}.ep-study-page .ep-study-regions{padding:15px 19px}.ep-study-page .ep-article-materials{padding:25px}.ep-study-page .ep-article-materials h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){.ep-study-page *{scroll-behavior:auto!important;transition:none!important}}
@media print{.ep-study-page .ep-study-actions,.ep-study-page .ep-study-variant-controls{display:none!important}.ep-study-page [data-study-variant][hidden]{display:block!important}.ep-study-page .ep-article-hero{background:white}.ep-study-page .ep-article-layout{display:block}.ep-study-variant{break-inside:auto;box-shadow:none}.ep-study-group-head{break-after:avoid}.ep-study-page{background:white}}