/* Scoped to the actual st-info-page page root: no leakage into header/footer or other routes. */
/* Approved design styles extracted from pages/single-page.html; loaded on matching route only. */

    .st-info-page{--teal:#173f49;--teal-2:#245864;--teal-soft:rgba(23,63,73,.67);--pink:#ff6b7a;--pink-dark:#f35668;--soft:#f7f6f2;--soft-2:#fbfaf7;--line:rgba(23,63,73,.11);--line-strong:rgba(23,63,73,.18);--container:1140px;--gutter:clamp(16px,3vw,40px)}
    .st-info-page *{box-sizing:border-box}
    .st-info-page{background:#fff;scroll-behavior:smooth}
    .st-info-page{margin:0;font-family:IRANSansFaNum,Tahoma,Arial,sans-serif;color:var(--teal);background:#fff;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
    .st-info-page button, .st-info-page input{font:inherit}
    .st-info-page img{display:block;max-width:100%;height:auto}
    .st-info-page a{color:inherit}
    .st-info-page [hidden]{display:none!important}
    .st-info-page{min-height:100vh;direction:rtl;text-align:right;min-width:0;overflow-x:clip;overflow-wrap:anywhere}
    .st-info-page *{box-sizing:border-box}
    .st-info-page :focus-visible{outline:2px solid var(--pink-dark);outline-offset:3px}
    .st-info-page .container{width:min(100%,var(--container));margin-inline:auto;padding-inline:var(--gutter);min-width:0}
    .st-info-page .skip-link{position:absolute;top:-100px;right:16px;z-index:1000;padding:10px 16px;border-radius:9px;background:var(--teal);color:#fff;text-decoration:none}
    .st-info-page .skip-link:focus{top:10px}

    /* Distinct from a blog post: a quiet document-like header, without hero photography or editorial metadata. */
    .st-info-page .info-hero{position:relative;isolation:isolate;overflow:hidden;padding:23px 0 39px;background:radial-gradient(circle at 8% 20%,rgba(255,107,122,.10),transparent 31%),linear-gradient(160deg,#fff 7%,#fbfaf7 100%);border-bottom:1px solid var(--line)}
    .st-info-page .info-hero::after{content:"";position:absolute;inset:auto -70px -158px auto;width:285px;height:285px;z-index:-1;border:1px solid rgba(23,63,73,.055);border-radius:50%;box-shadow:0 0 0 40px rgba(23,63,73,.013),0 0 0 82px rgba(255,107,122,.013);pointer-events:none}
    .st-info-page .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0;margin:0 0 31px;color:var(--teal-soft);font-size:.72rem;line-height:1.75}
    .st-info-page .breadcrumb a{text-decoration:none}
    .st-info-page .breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px}
    .st-info-page .breadcrumb-separator{opacity:.43}
    .st-info-page .breadcrumb-current{min-width:0;max-width:55ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .st-info-page .hero-inner{max-width:870px;padding-right:clamp(0px,1.4vw,17px)}
    .st-info-page .info-eyebrow{display:inline-flex;align-items:center;gap:9px;margin:0 0 11px;font-size:.73rem;font-weight:800;color:var(--pink-dark);line-height:1.6}
    .st-info-page .info-eyebrow::before{content:"";width:19px;height:2px;border-radius:5px;background:currentColor}
    .st-info-page .info-title{max-width:900px;margin:0;font-size:clamp(1.75rem,3.15vw,2.55rem);line-height:1.5;font-weight:900;letter-spacing:-.027em;text-wrap:balance}
    .st-info-page .info-lead{max-width:76ch;margin:13px 0 0;color:var(--teal-soft);font-size:clamp(.86rem,1.25vw,.97rem);line-height:2.15}

    /* Reading region: flexible single column when no valid auto-TOC, unobtrusive narrow sidebar for long content. */
    .st-info-page .info-layout{display:grid;grid-template-columns:minmax(0,1fr) 234px;gap:clamp(25px,4vw,52px);align-items:start;padding-top:32px;padding-bottom:72px}
    .st-info-page .info-layout.no-toc{grid-template-columns:minmax(0,1fr);max-width:950px}
    .st-info-page .info-layout.no-toc .content-shell{max-width:860px}
    .st-info-page .content-shell{min-width:0;width:100%;max-width:805px}
    .st-info-page .info-content{min-width:0;color:var(--teal);font-size:.92rem;line-height:2.3;overflow-wrap:anywhere}
    .st-info-page .info-content>*:first-child{margin-top:0}
    .st-info-page .info-content p{margin:0 0 17px}
    .st-info-page .info-content h2{font-size:clamp(1.08rem,1.8vw,1.3rem);line-height:1.8;font-weight:900;margin:34px 0 12px;scroll-margin-top:96px;letter-spacing:-.012em}
    .st-info-page .info-content h2::before{content:"";display:inline-block;width:5px;height:19px;vertical-align:-4px;margin-left:11px;border-radius:10px;background:var(--pink)}
    .st-info-page .info-content h3{font-size:1rem;line-height:1.75;font-weight:900;margin:24px 0 10px;scroll-margin-top:96px}
    .st-info-page .info-content h4, .st-info-page .info-content h5, .st-info-page .info-content h6{font-size:.92rem;line-height:1.7;margin:20px 0 9px;scroll-margin-top:96px}
    .st-info-page .info-content a{color:var(--pink-dark);text-underline-offset:3px}
    .st-info-page .info-content strong{font-weight:900}
    .st-info-page .info-content ul, .st-info-page .info-content ol{margin:3px 0 22px;padding:0 24px 0 0}
    .st-info-page .info-content li{padding-right:3px;margin-bottom:8px}
    .st-info-page .info-content li::marker{color:var(--pink-dark);font-weight:900}
    .st-info-page .info-content li ul, .st-info-page .info-content li ol{margin-top:8px;margin-bottom:6px}
    .st-info-page .info-content blockquote{margin:25px 0;padding:17px 20px;background:#fff5f7;border:1px solid rgba(255,107,122,.15);border-right:4px solid var(--pink);border-radius:12px;color:var(--teal);font-size:.88rem;line-height:2.1}
    .st-info-page .info-content blockquote p:last-child{margin:0}
    .st-info-page .info-content hr{border:0;height:1px;margin:29px 0;background:var(--line)}
    .st-info-page .info-content figure{max-width:100%;margin:21px 0}
    .st-info-page .info-content figure img{width:auto;max-width:100%;border-radius:12px}
    .st-info-page .info-content figcaption{font-size:.71rem;text-align:center;line-height:1.8;color:var(--teal-soft);margin:9px 0 0}
    .st-info-page .info-content :is(img,video,iframe,svg){max-width:100%}
    .st-info-page .info-content iframe{width:100%;max-height:75vh}
    .st-info-page .info-content .wp-block-columns{display:flex;flex-wrap:wrap;gap:18px}
    .st-info-page .info-content .wp-block-column{flex:1 1 230px;min-width:0}
    .st-info-page .info-content .wp-block-buttons{display:flex;flex-wrap:wrap;gap:10px}
    .st-info-page .info-content .wp-block-button__link{display:inline-flex;justify-content:center;align-items:center;padding:10px 16px;border-radius:10px;background:var(--teal);color:#fff;text-decoration:none;font-size:.77rem;font-weight:800}
    .st-info-page .info-content .wp-block-table, .st-info-page .info-content .table-wrap{display:block;max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain;margin:18px 0 26px}
    .st-info-page .info-content table{width:100%;min-width:0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.78rem;line-height:1.9}
    .st-info-page .info-content th, .st-info-page .info-content td{padding:12px 15px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
    .st-info-page .info-content th:last-child, .st-info-page .info-content td:last-child{border-left:0}
    .st-info-page .info-content tr:last-child td{border-bottom:0}
    .st-info-page .info-content thead{background:var(--soft-2);font-weight:900}
    .st-info-page .info-content pre{max-width:100%;padding:15px 17px;overflow-x:auto;direction:ltr;text-align:left;border-radius:12px;background:var(--soft);font-size:.78rem;line-height:1.8}
    .st-info-page .info-content code{overflow-wrap:anywhere}
    .st-info-page .info-content details{padding:12px 15px;border:1px solid var(--line);border-radius:12px;margin:11px 0;background:var(--soft-2)}
    .st-info-page .info-content details summary{cursor:pointer;font-weight:800}
    .st-info-page .info-content details>*:last-child{margin-bottom:0}

    .st-info-page .info-sidebar{position:sticky;top:26px;min-width:0}
    .st-info-page .toc-box{border:1px solid var(--line);border-radius:16px;background:var(--soft-2);padding:17px 14px}
    .st-info-page .toc-details>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;list-style:none;padding-inline:4px;font-size:.8rem;font-weight:900;line-height:1.6}
    .st-info-page .toc-details>summary::-webkit-details-marker{display:none}
    .st-info-page .toc-details>summary::after{content:"";height:8px;width:8px;flex:0 0 auto;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .2s}
    .st-info-page .toc-details[open]>summary::after{transform:rotate(135deg)}
    .st-info-page .toc-list{list-style:none;margin:15px 0 0;padding:0;border-right:1px solid var(--line)}
    .st-info-page .toc-list li{margin:0}
    .st-info-page .toc-list a{display:block;min-width:0;margin-right:-1px;padding:8px 11px;text-decoration:none;color:var(--teal-soft);border-right:2px solid transparent;border-radius:7px 0 0 7px;font-size:.71rem;line-height:1.85}
    .st-info-page .toc-list a:hover, .st-info-page .toc-list a:focus-visible, .st-info-page .toc-list a.active{color:var(--teal);background:#fff;border-right-color:var(--pink)}
    .st-info-page .toc-list .toc-level-3 a{padding-right:22px;font-size:.68rem}
    .st-info-page .toc-hint{margin:13px 3px 0;padding-top:10px;border-top:1px solid var(--line);color:var(--teal-soft);font-size:.64rem;line-height:1.85}
    @media(max-width:890px){
      .st-info-page .info-layout{display:flex;flex-direction:column;gap:17px;padding-top:23px;padding-bottom:52px}
      .st-info-page .info-sidebar{position:static;width:100%;order:0}
      .st-info-page .content-shell{max-width:none;order:1}
      .st-info-page .toc-box{padding:13px 15px;border-radius:13px}
      .st-info-page .toc-list{margin-top:11px}
      .st-info-page .toc-hint{display:none}
    }
    @media(max-width:640px){
      .st-info-page{--gutter:14px}
      .st-info-page .info-hero{padding-top:16px;padding-bottom:24px}
      .st-info-page .breadcrumb{font-size:.67rem;margin-bottom:22px}
      .st-info-page .breadcrumb-current{max-width:19ch}
      .st-info-page .info-title{font-size:clamp(1.48rem,6vw,1.85rem);line-height:1.55}
      .st-info-page .info-lead{margin-top:9px;font-size:.83rem;line-height:2}
      .st-info-page .info-content{font-size:.84rem;line-height:2.23}
      .st-info-page .info-content h2{font-size:1.08rem;margin-top:28px;margin-bottom:9px}
      .st-info-page .info-content h3{font-size:.94rem}
      .st-info-page .info-content table{font-size:.72rem}
      .st-info-page .info-content th, .st-info-page .info-content td{padding:9px 10px}
      .st-info-page .info-content blockquote{padding:14px;margin:20px 0}
    }
    @media(max-width:350px){.st-info-page .breadcrumb-current{max-width:12ch}.st-info-page .info-content{font-size:.8rem}.st-info-page .toc-box{padding:12px}}
    @media print{
      .st-info-page .info-hero{background:none;border-bottom:1px solid #bbb;padding-bottom:16px}
      .st-info-page .breadcrumb, .st-info-page .skip-link, .st-info-page .info-sidebar{display:none!important}
      .st-info-page .info-layout{display:block;padding-block:15px}
      .st-info-page .content-shell{max-width:none}
      .st-info-page .info-content{font-size:11pt;line-height:1.8;color:#000}
      .st-info-page .info-content a{color:#000;text-decoration:underline}
      .st-info-page .info-content table{break-inside:avoid}
    }
    @media(prefers-reduced-motion:reduce){.st-info-page *, .st-info-page *::before, .st-info-page *::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}