/**
 * Persian research article — editorial reading system v2.
 * No oversized decorative picture, no asymmetrical sidebar.
 * A focused title, evidence-based outline and centered long-form reading flow.
 */
html[lang="fa-IR"] .sc-rd--article-v2 {
  --read-ink:#1b3548;
  --read-blue:#116e9d;
  --read-line:#dbe7ed;
  --read-red:#e6323b;
  --read-muted:#617787;
  color:var(--read-ink);
  background:#fff;
  overflow:clip;
}
html[lang="fa-IR"] .sc-rd-reading__hero {
  position:relative;
  padding:0 0 clamp(43px,5.6vw,82px);
  border-bottom:1px solid #dae6ed;
  background:#f3f8fb;
  isolation:isolate;
}
html[lang="fa-IR"] .sc-rd-reading__hero::before {
  content:"";
  width:min(380px,33vw);
  height:6px;
  position:absolute;
  top:0;
  inset-inline-start:0;
  background:var(--read-blue);
}
html[lang="fa-IR"] .sc-rd-reading__hero .sc-container {
  max-width:1320px;
  padding-top:clamp(25px,3vw,43px);
}
html[lang="fa-IR"] .sc-rd-reading__hero .sc-rd__breadcrumb {
  justify-content:flex-start;
  margin:0 0 clamp(35px,4vw,65px);
  text-align:right;
  color:#718491;
}
html[lang="fa-IR"] .sc-rd-reading__hero-center {
  max-width:1140px;
  margin-inline:auto;
  text-align:center;
}
html[lang="fa-IR"] .sc-rd-reading__eyebrow {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:11px;
  color:var(--read-blue);
  font-size:13px;
  font-weight:740;
  line-height:1.8;
  margin:0 0 14px;
}
html[lang="fa-IR"] .sc-rd-reading__eyebrow-line {
  width:28px;
  height:3px;
  background:var(--read-red);
  flex:none;
}
html[lang="fa-IR"] .sc-rd-reading__hero h1 {
  color:#183146;
  max-width:1150px;
  font-size:clamp(29px,3.05vw,47px);
  line-height:1.55;
  font-weight:770;
  margin:0;
  text-align:center;
  text-wrap:balance;
  letter-spacing:0;
}
html[lang="fa-IR"] .sc-rd-reading__lead {
  max-width:860px;
  margin:19px auto 0;
  color:#526d7c;
  font-size:clamp(15px,1.24vw,18px);
  line-height:2;
  text-align:center !important;
  text-wrap:pretty;
  word-spacing:normal;
}
html[lang="fa-IR"] .sc-rd-reading__hero-footer {
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  margin-top:27px;
  font-size:12px;
  font-weight:610;
  color:#6b8290;
}
html[lang="fa-IR"] .sc-rd-reading__hero-footer > * + * {
  border-inline-start:1px solid #c4d7e0;
  padding-inline-start:16px;
}
html[lang="fa-IR"] .sc-rd-reading__hero-footer a {
  display:inline-flex;
  gap:8px;
  align-items:center;
  min-height:44px;
  color:#076d9f;
}
html[lang="fa-IR"] .sc-rd-reading__hero-footer a:hover {color:#124266;}
html[lang="fa-IR"] .sc-rd-reading__shell {
  width:min(100%,1080px);
  margin-inline:auto;
  padding:clamp(35px,5.4vw,77px) 0 clamp(65px,6vw,99px);
}
html[lang="fa-IR"] .sc-rd-reading__outline {
  display:block;
  width:min(100%,1000px);
  margin:0 auto clamp(51px,6vw,94px);
  padding:0;
  border-top:3px solid #0a5480;
  border-bottom:1px solid var(--read-line);
}
html[lang="fa-IR"] .sc-rd-reading__outline-heading {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding:18px 0;
  border-bottom:1px solid var(--read-line);
}
html[lang="fa-IR"] .sc-rd-reading__outline-heading strong {
  color:#1a3a52;
  font-size:17px;
  line-height:1.6;
  font-weight:760;
}
html[lang="fa-IR"] .sc-rd-reading__outline-heading > span {
  color:var(--read-muted);
  font-size:12px;
}
html[lang="fa-IR"] .sc-rd-reading__outline ol {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 clamp(25px,4.5vw,65px);
  padding:0;
  margin:0;
  list-style:none;
}
html[lang="fa-IR"] .sc-rd-reading__outline li {
  min-width:0;
  margin:0;
  padding:0;
  border-bottom:1px solid #e4edf2;
}
html[lang="fa-IR"] .sc-rd-reading__outline li:nth-last-child(-n + 2) {border-bottom:0;}
html[lang="fa-IR"] .sc-rd-reading__outline a {
  min-height:66px;
  display:grid;
  grid-template-columns:31px minmax(0,1fr) 20px;
  align-items:center;
  gap:12px;
  width:100%;
  padding:12px 0;
  color:#29475a;
  text-align:right;
  font-size:14px;
  font-weight:640;
  line-height:1.72;
  text-decoration:none;
  transition:color .17s ease;
}
html[lang="fa-IR"] .sc-rd-reading__outline a:hover,
html[lang="fa-IR"] .sc-rd-reading__outline a:focus-visible {
  color:#086b9b;
}
html[lang="fa-IR"] .sc-rd-reading__outline-index {
  font:500 15px/1.5 system-ui,sans-serif;
  color:#84aabd;
  direction:ltr;
}
html[lang="fa-IR"] .sc-rd-reading__outline-arrow {
  justify-self:end;
  color:#1884b0;
  font-size:17px;
}
html[lang="fa-IR"] .sc-rd-reading__content {
  width:min(100%,880px);
  margin-inline:auto !important;
  font-size:clamp(16px,1.23vw,18px);
  line-height:2.2;
  color:#2a4656;
  text-align:right;
  overflow-wrap:anywhere;
  scroll-margin-top:35px;
}
/* Restrained article image, inside the reading flow after the opening
   paragraph. Not a second hero, not a gallery card, not a floating sidebar. */
html[lang="fa-IR"] .sc-rd-reading__content .sc-rd-reading__figure {
  position:relative;
  display:block;
  width:min(100%,640px);
  margin:clamp(27px,3.6vw,47px) auto clamp(48px,5vw,73px);
  padding:0;
  background:transparent;
  border:0;
  text-align:right;
}
html[lang="fa-IR"] .sc-rd-reading__content .sc-rd-reading__figure::after {
  content:"";
  position:absolute;
  width:65px;
  height:3px;
  right:0;
  bottom:0;
  background:var(--read-red);
  pointer-events:none;
}
html[lang="fa-IR"] .sc-rd-reading__content .sc-rd-reading__figure-image {
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:16 / 9;
  object-fit:cover;
  border-radius:2px;
  border:1px solid #e4ecf1;
}
html[lang="fa-IR"] .sc-rd-reading__content :is(p,ul,ol,blockquote) {
  max-width:none;
  font-size:inherit;
  text-align:right !important;
  word-spacing:normal !important;
}
html[lang="fa-IR"] .sc-rd-reading__content p {
  margin:0 0 1.55em;
  line-height:2.16;
}
html[lang="fa-IR"] .sc-rd-reading__content > p:first-child {
  margin:0 0 2.2em;
  color:#1c3b4d;
  font-size:clamp(17px,1.42vw,21px);
  line-height:2.16;
  font-weight:520;
}
html[lang="fa-IR"] .sc-rd-reading__content h2 {
  scroll-margin-top:30px;
  margin:2.7em 0 .9em;
  padding:22px 0 0;
  color:#183a52;
  border-top:1px solid #dce7ed;
  border-inline-start:0;
  font-size:clamp(25px,2.05vw,32px);
  font-weight:770;
  line-height:1.6;
  letter-spacing:0;
}
html[lang="fa-IR"] .sc-rd-reading__content h2::before {
  content:"";
  display:inline-block;
  width:3px;
  height:.9em;
  margin-inline-end:12px;
  background:var(--read-red);
  vertical-align:-.08em;
}
html[lang="fa-IR"] .sc-rd-reading__content h2:first-child {margin-top:0;}
html[lang="fa-IR"] .sc-rd-reading__content h3 {
  margin:2.05em 0 .8em;
  font-size:clamp(20px,1.57vw,24px);
  color:#1b4c6a;
  font-weight:710;
  line-height:1.65;
}
html[lang="fa-IR"] .sc-rd-reading__content h4 {
  margin:1.8em 0 .65em;
  font-size:18px;
  line-height:1.6;
  color:#24516b;
}
html[lang="fa-IR"] .sc-rd-reading__content :is(ul,ol) {
  padding-inline-start:1.65em;
  margin:0 0 1.65em;
  line-height:2.05;
}
html[lang="fa-IR"] .sc-rd-reading__content li {
  margin-bottom:.55em;
  padding-inline-start:.22em;
}
html[lang="fa-IR"] .sc-rd-reading__content li::marker {
  color:#127cab;
}
html[lang="fa-IR"] .sc-rd-reading__content a {
  color:#086a9a;
  text-decoration:underline;
  text-decoration-color:#85b5c9;
  text-underline-offset:3px;
}
html[lang="fa-IR"] .sc-rd-reading__content :is(img,video,iframe) {
  max-width:100%;
  height:auto;
}
html[lang="fa-IR"] .sc-rd-reading__content blockquote {
  border-inline-start:3px solid var(--read-blue);
  margin:32px 0;
  padding:17px 24px;
  background:#f5f9fb;
}
html[lang="fa-IR"] .sc-rd-reading__content table {
  display:block;
  width:100%;
  overflow-x:auto;
}
html[lang="fa-IR"] .sc-rd-reading__closing {
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
  width:min(100%,1000px);
  margin:clamp(66px,7vw,104px) auto 0;
  padding:30px 0;
  border-top:2px solid #173d59;
  border-bottom:1px solid var(--read-line);
}
html[lang="fa-IR"] .sc-rd-reading__closing-label {
  color:#1679a8;
  margin:0 0 6px;
  font-size:12px;
  font-weight:740;
}
html[lang="fa-IR"] .sc-rd-reading__closing h2 {
  margin:0;
  color:#1a394e;
  font-size:clamp(23px,2vw,31px);
  font-weight:750;
  line-height:1.55;
}
html[lang="fa-IR"] .sc-rd-reading__closing > a {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:17px;
  min-height:48px;
  padding:10px 19px;
  border:1px solid #0e79a9;
  color:#0b699a;
  font-weight:720;
  font-size:14px;
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
html[lang="fa-IR"] .sc-rd-reading__closing > a:hover {
  background:#0e79a9;
  color:#fff;
}
@media(max-width:720px){
  html[lang="fa-IR"] .sc-rd-reading__hero {
    padding-bottom:38px;
  }
  html[lang="fa-IR"] .sc-rd-reading__hero .sc-container {padding-top:21px;}
  html[lang="fa-IR"] .sc-rd-reading__hero .sc-rd__breadcrumb {
    margin-bottom:35px;
  }
  html[lang="fa-IR"] .sc-rd-reading__eyebrow {
    font-size:12px;
    margin-bottom:12px;
  }
  html[lang="fa-IR"] .sc-rd-reading__hero h1 {
    font-size:clamp(27px,6.8vw,35px);
    line-height:1.63;
  }
  html[lang="fa-IR"] .sc-rd-reading__lead {
    max-width:100%;
    font-size:15px;
    line-height:1.9;
    margin-top:17px;
  }
  html[lang="fa-IR"] .sc-rd-reading__hero-footer {
    gap:9px;
    margin-top:20px;
    font-size:11px;
  }
  html[lang="fa-IR"] .sc-rd-reading__hero-footer > * + * {
    padding-inline-start:9px;
  }
  html[lang="fa-IR"] .sc-rd-reading__shell {padding:38px 0 53px;}
  html[lang="fa-IR"] .sc-rd-reading__outline {margin-bottom:44px;}
  html[lang="fa-IR"] .sc-rd-reading__outline-heading {padding:12px 0;}
  html[lang="fa-IR"] .sc-rd-reading__outline-heading strong {font-size:16px;}
  html[lang="fa-IR"] .sc-rd-reading__outline ol {display:flex;flex-direction:column;gap:0;}
  html[lang="fa-IR"] .sc-rd-reading__outline li {
    border-bottom:1px solid #e4edf2 !important;
  }
  html[lang="fa-IR"] .sc-rd-reading__outline li:last-child {border-bottom:0!important;}
  html[lang="fa-IR"] .sc-rd-reading__outline a {
    min-height:55px;
    padding:10px 0;
    font-size:13px;
  }
  html[lang="fa-IR"] .sc-rd-reading__content {
    width:100%;
    font-size:16px;
    line-height:2.03;
  }
  html[lang="fa-IR"] .sc-rd-reading__content > p:first-child {
    font-size:17px;
    line-height:2.04;
  }
  html[lang="fa-IR"] .sc-rd-reading__content .sc-rd-reading__figure {
    width:100%;
    max-width:100%;
    margin:24px auto 42px;
  }
  html[lang="fa-IR"] .sc-rd-reading__content h2 {
    font-size:24px;
    margin:2.4em 0 .85em;
  }
  html[lang="fa-IR"] .sc-rd-reading__content h3 {font-size:19px;}
  html[lang="fa-IR"] .sc-rd-reading__closing {
    align-items:flex-start;
    flex-direction:column;
    gap:18px;
    margin-top:55px;
  }
}
@media(prefers-reduced-motion:reduce){
  html[lang="fa-IR"] .sc-rd-reading__closing > a,
  html[lang="fa-IR"] .sc-rd-reading__outline a {transition:none;}
}