:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --line:#e5eaf2;
  --text:#334155;
  --title:#13233b;
  --blue:#2d69d7;
  --blue-2:#edf4ff;
  --green:#e9f9ef;
  --orange:#fff4e9;
  --violet:#f5f1ff;
  --shadow:0 18px 45px rgba(15,23,42,.08);
}
body{background:var(--bg);color:var(--text);}
.blog__head{min-height:390px;background-size:cover;background-position:center center;position:relative;}
.g-title{max-width:1050px;font-size:48px;line-height:1.07;color:#fff;text-shadow:0 14px 40px rgba(0,0,0,.28);}
.g-title-text{font-size:22px;line-height:1.4;margin-top:14px;color:rgba(255,255,255,.96);}
.blog-back{display:inline-flex;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);color:#fff !important;}
.article-layout-wrap{padding-top:34px;padding-bottom:20px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start;}
.article-body{min-width:0;}
.article-aside{min-width:0;}
.aside-box{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px;}
.sticky-box{position:sticky;top:20px;}
.aside-title{font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#36517e;margin:0 0 14px;}
.toc-links,.bullet-mini{margin:0;padding:0;list-style:none;}
.toc-links li,.bullet-mini li{margin-bottom:10px;line-height:1.45;font-size:14px;color:#4b5563;}
.toc-links a{color:#233d63;text-decoration:none;border-bottom:1px solid transparent;}
.toc-links a:hover{border-color:#233d63;}
.intro-panel{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow);margin-bottom:28px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--blue-2);color:var(--blue);font-size:13px;font-weight:800;padding:7px 12px;border-radius:999px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em;}
.intro-lead{font-size:19px;line-height:1.75;color:#2f3c51;margin:0 0 22px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:22px;}
.stat-box{background:linear-gradient(180deg,#fcfdff,#f3f7fc);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;min-height:105px;justify-content:space-between;}
.stat-num{font-size:34px;line-height:1;font-weight:800;color:var(--blue);}
.stat-label{font-size:14px;line-height:1.45;color:#556070;}
.notice-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px;}
.notice{border-radius:20px;padding:18px 18px 16px;border:1px solid var(--line);}
.notice.note{background:#eef5ff;border-color:#d5e2fb;}
.notice.warning{background:var(--orange);border-color:#ffd6aa;}
.notice.tip{background:var(--green);border-color:#c9ebd7;}
.notice-title{font-size:16px;font-weight:800;color:#17345b;margin-bottom:8px;}
.notice p{margin:0;font-size:15px;line-height:1.65;color:#3d4858;}
.hero-photo{margin-top:6px;}
.photo-card{margin:24px 0 28px;}
.photo-card img,.chart-card img,.timeline-box img{display:block;width:100%;height:auto;border-radius:22px;box-shadow:0 16px 38px rgba(15,23,42,.12);background:#fff;}
.photo-card figcaption{font-size:13px;line-height:1.55;color:#667085;padding:10px 4px 0;}
.media-callout{display:grid;grid-template-columns:1.2fr .95fr;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow);margin:22px 0 28px;}
.media-callout.alt{grid-template-columns:.95fr 1.2fr;}
.media-text p{margin:0;font-size:15px;line-height:1.7;color:#445063;}
.chart-card img{border:1px solid var(--line);box-shadow:none;}
.timeline-box{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow);margin:22px 0 28px;}
.timeline-head p{margin:0 0 14px;font-size:15px;line-height:1.65;}
.checkcards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0 28px;}
.checkcard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);}
.checkcard h4{margin:0 0 8px;font-size:17px;color:#15345d;font-weight:800;}
.checkcard p{margin:0;font-size:15px;line-height:1.65;color:#465468;}
.rt-h2{font-size:36px;line-height:1.15;color:var(--title);font-weight:800;margin:44px 0 18px;scroll-margin-top:92px;}
.rt-h3{font-size:25px;line-height:1.28;color:#19385e;font-weight:800;margin:30px 0 14px;scroll-margin-top:92px;}
.rt-h4{font-size:18px;line-height:1.42;color:#203a5c;font-weight:800;margin:22px 0 10px;scroll-margin-top:92px;}
.rt-p{font-size:17px;line-height:1.82;color:#344054;margin:0 0 16px;}
.rt-list{padding-left:22px;margin:0 0 18px;}
.rt-list li{font-size:16px;line-height:1.72;color:#344054;margin-bottom:7px;}
.table-box{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);margin:20px 0 28px;}
.rt-table{width:100%;min-width:760px;border-collapse:collapse;}
.rt-table th,.rt-table td{padding:15px 16px;border:1px solid #e9edf4;vertical-align:top;font-size:15px;line-height:1.58;color:#374151;}
.rt-table thead th{background:#f7faff;color:#1e3a5f;font-weight:800;}
.rt-table tbody tr:nth-child(even){background:#fcfdff;}
.fancy-table{border-color:#dfe6f0;}
.footnotes-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow);margin:36px 0 18px;}
.footnotes-list{margin:0;padding-left:20px;}
.footnotes-list li{font-size:14px;line-height:1.68;color:#4b5563;margin-bottom:8px;}
.credits-box p{margin:0;font-size:14px;line-height:1.6;color:#4b5563;}
@media (max-width: 1199px){
  .article-layout{grid-template-columns:1fr;}
  .sticky-box{position:static;}
}
@media (max-width: 767px){
  .blog__head{min-height:320px;}
  .g-title{font-size:32px;line-height:1.15;}
  .g-title-text{font-size:18px;}
  .article-layout-wrap{padding-top:20px;}
  .intro-panel{padding:20px;}
  .intro-lead{font-size:17px;line-height:1.7;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .notice-row,.media-callout,.media-callout.alt,.checkcards{grid-template-columns:1fr;}
  .rt-h2{font-size:29px;}
  .rt-h3{font-size:22px;}
  .rt-p{font-size:16px;line-height:1.74;}
}


/* ===== FIXED ARTICLE HERO ===== */
.article-hero{
  min-height:560px !important;
  margin-bottom:0 !important;
  padding:150px 24px 78px !important;
  background-size:cover !important;
  background-position:center 58% !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  position:relative !important;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(9,14,23,.18) 0%,rgba(9,14,23,.38) 45%,rgba(9,14,23,.75) 100%);
  pointer-events:none;
}
.article-hero-content{
  position:relative !important;
  z-index:2;
  width:min(1080px,100%);
  margin:0 auto !important;
  padding:0 18px !important;
  text-align:center;
}
.article-hero .g-title{
  margin:0 auto !important;
  max-width:980px;
  color:#fff !important;
  font-size:clamp(38px,5vw,66px) !important;
  line-height:1.04 !important;
  font-weight:800 !important;
  letter-spacing:-.025em;
  text-shadow:0 12px 38px rgba(0,0,0,.38);
}
.article-hero .g-title-text{
  display:block;
  max-width:820px;
  margin:18px auto 0 !important;
  color:rgba(255,255,255,.94) !important;
  font-size:clamp(17px,2vw,23px) !important;
  line-height:1.45 !important;
  font-weight:500 !important;
}
.article-hero .blog-back{
  position:absolute !important;
  top:-86px !important;
  left:18px !important;
  right:auto !important;
  display:inline-flex !important;
  align-items:center;
  min-height:42px;
  padding:9px 17px 9px 34px !important;
  color:#fff !important;
  background:rgba(255,255,255,.12) !important;
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;
  backdrop-filter:blur(10px);
  box-shadow:none !important;
}
.article-hero .blog-back::before{left:14px !important;}
.top{
  position:absolute !important;
  left:0;
  top:0;
  width:100%;
  z-index:20 !important;
}
.article-layout-wrap{
  padding-top:46px !important;
}
.article-body > .intro-panel:first-child{
  margin-top:0 !important;
}
.article-body > p:first-of-type{
  margin-top:24px;
}
.article-body hr{
  border:0;
  height:1px;
  background:#e3e8f0;
  margin:34px 0;
}
@media (max-width:767px){
  .article-hero{
    min-height:480px !important;
    padding:132px 16px 58px !important;
    background-position:center !important;
  }
  .article-hero-content{padding:0 4px !important;}
  .article-hero .g-title{font-size:36px !important;}
  .article-hero .g-title-text{font-size:17px !important;margin-top:14px !important;}
  .article-hero .blog-back{top:-74px !important;left:4px !important;}
  .article-layout-wrap{padding-top:24px !important;}
}


/* ===== ARTICLE MENU IN THE COMMON FLOW ===== */
.article-layout{
  display:block !important;
}
.article-body,
.article-navigation{
  width:min(100%, 1080px);
  margin-left:auto;
  margin-right:auto;
}
.article-navigation{
  display:grid;
  grid-template-columns:minmax(0, 2fr) minmax(260px, .72fr);
  gap:18px;
  align-items:start;
  margin-bottom:34px;
}
.article-navigation .sticky-box{
  position:static !important;
  top:auto !important;
  grid-column:1 / -1;
  margin-bottom:0;
}
.article-navigation .aside-box{
  margin-bottom:0;
}
.article-navigation .toc-intro{
  max-width:760px;
  margin:0 0 18px;
  color:#667085;
  font-size:15px;
  line-height:1.6;
}
.article-navigation .toc-links{
  column-count:3;
  column-gap:30px;
  column-rule:1px solid #edf0f5;
}
.article-navigation .toc-links li{
  break-inside:avoid;
  page-break-inside:avoid;
  margin:0 0 9px;
  padding-right:12px;
}
.article-navigation .toc-links a{
  display:inline;
  font-size:13px;
  line-height:1.45;
}
.article-body{
  min-width:0;
}

/* ===== EXPANDED STEP DESCRIPTIONS ===== */
.step-detail{
  margin:0 0 12px;
  padding:18px 20px 18px 22px;
  background:linear-gradient(180deg,#ffffff 0%,#fbfcff 100%);
  border:1px solid #e5eaf2;
  border-left:4px solid #2d69d7;
  border-radius:0 18px 18px 0;
  box-shadow:0 10px 28px rgba(15,23,42,.045);
}
.step-detail .rt-p:last-of-type{
  margin-bottom:0;
}
.step-note{
  margin-top:14px;
  padding:13px 15px;
  border-radius:13px;
  background:#edf5ff;
  border:1px solid #d4e4fb;
  color:#344865;
  font-size:14px;
  line-height:1.6;
}
.step-note.warning{
  background:#fff5e9;
  border-color:#ffd9af;
  color:#5d4935;
}
.step-checklist{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 14px;
  margin:16px 0 0;
  padding:0;
  list-style:none;
}
.step-checklist li{
  position:relative;
  padding:12px 12px 12px 38px;
  border:1px solid #e2e8f0;
  border-radius:13px;
  background:#fff;
  color:#3b4658;
  font-size:14px;
  line-height:1.5;
}
.step-checklist li::before{
  content:"✓";
  position:absolute;
  left:13px;
  top:11px;
  width:18px;
  height:18px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#e7f6ed;
  color:#21854a;
  font-size:12px;
  font-weight:800;
}

@media (max-width: 991px){
  .article-navigation{
    grid-template-columns:1fr;
  }
  .article-navigation .toc-links{
    column-count:2;
  }
}
@media (max-width: 767px){
  .article-body,
  .article-navigation{
    width:100%;
  }
  .article-navigation .toc-links{
    column-count:1;
    column-rule:0;
  }
  .step-detail{
    padding:16px 15px 16px 17px;
    border-radius:0 15px 15px 0;
  }
  .step-checklist{
    grid-template-columns:1fr;
  }
}


/* Final positioning: the contents block is physically inside the article. */
.article-layout > .article-navigation{
  display:none !important;
}
.article-body > .article-navigation{
  width:100%;
  max-width:none;
  margin:0 0 34px;
}
.article-body > .article-navigation > .aside-box:not(.sticky-box){
  grid-column:1 / -1;
}
.article-body > .article-navigation .bullet-mini{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px 14px;
}
.article-body > .article-navigation .bullet-mini li{
  margin:0;
  padding:12px 14px;
  border:1px solid #e5eaf2;
  border-radius:13px;
  background:#fbfcff;
}
@media (max-width:991px){
  .article-body > .article-navigation .bullet-mini{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (max-width:767px){
  .article-body > .article-navigation .bullet-mini{
    grid-template-columns:1fr;
  }
}