.bkn-post{--green:#000d44;--green-soft:#123c8b;--green-2:#1a6b7a;--orange:#123c8b;--orange-dark:#3c5cd3;
      --ink:#3c3c3c;--muted:#657088;--line:#d8e1ed;--surface:#f2f6fb;--shadow:0 24px 70px -56px rgba(0,13,68,.22);
      max-width:1320px;margin:0 auto;padding:26px 20px 60px;font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);}
    .bkn-post *{box-sizing:border-box;}
    .bkn-post__bc{font-size:13px;color:var(--muted);margin:0 0 18px;display:flex;gap:7px;flex-wrap:wrap;align-items:center;}
    .bkn-post__bc a{color:var(--muted);text-decoration:none;}
    .bkn-post__bc a:hover{color:var(--orange);}

    /* Two-column layout */
    .bkn-post__layout{display:grid;grid-template-columns:minmax(0,1fr) 332px;gap:38px;align-items:start;}
    .bkn-post__main{min-width:0;}
    .bkn-post__aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}

    /* Header */
    .bkn-post__eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin:0 0 10px;text-decoration:none;}
    .bkn-post__eyebrow:hover{color:var(--orange-dark);}
    .bkn-post h1.bkn-post__h1{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-weight:850;
      font-size:clamp(27px,3.4vw,42px);line-height:1.14;color:var(--green);margin:0 0 16px;}
    .bkn-post__meta{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;padding-bottom:20px;margin-bottom:22px;border-bottom:2px solid var(--line);font-size:13.5px;color:var(--muted);}
    .bkn-post__meta-item{display:inline-flex;align-items:center;gap:6px;}
    .bkn-post__meta-item svg{color:var(--green-soft);flex:none;}
    .bkn-post__meta b{color:var(--ink);font-weight:700;}
    .bkn-post__feat{border-radius:18px;overflow:hidden;margin:0 0 26px;background:var(--surface);box-shadow:var(--shadow);}
    .bkn-post__feat img{width:100%;height:auto;display:block;}

    /* Article body — shared .bkn-desc typographic system */
    .bkn-post .bkn-desc{font-size:17px;line-height:1.75;color:#3c3c3c;}
    .bkn-post .bkn-desc > *:first-child{margin-top:0;}
    .bkn-post .bkn-desc p{margin:0 0 18px;text-align:left;font-family:inherit;color:inherit;line-height:inherit;}
    .bkn-post .bkn-desc h2,.bkn-desc h3,.bkn-desc h4{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;color:var(--green);line-height:1.3;scroll-margin-top:90px;}
    .bkn-post .bkn-desc h2{font-size:25px;font-weight:800;margin:34px 0 14px;}
    .bkn-post .bkn-desc h3{font-size:20px;font-weight:800;margin:28px 0 12px;}
    .bkn-post .bkn-desc h4{font-size:17.5px;font-weight:700;margin:22px 0 10px;}
    .bkn-post .bkn-desc ul,.bkn-desc ol{margin:0 0 18px;padding-left:24px;}
    .bkn-post .bkn-desc li{margin:0 0 9px;}
    .bkn-post .bkn-desc a{color:var(--green-soft);text-decoration:underline;text-underline-offset:2px;}
    .bkn-post .bkn-desc a:hover{color:var(--orange);}
    .bkn-post .bkn-desc img:not(.emoji){max-width:min(100%,520px)!important;height:auto;border-radius:14px;margin:18px auto;display:block;}
    .bkn-post .bkn-desc img.emoji{display:inline;margin:0;border-radius:0;width:1em;height:1em;vertical-align:-0.1em;}
    .bkn-post .bkn-desc figure,.bkn-desc .wp-caption{max-width:min(100%,520px)!important;width:auto!important;height:auto;margin:18px auto 20px;text-align:center;}
    .bkn-post .bkn-desc figure img,.bkn-desc .wp-caption img{width:auto;max-width:100%;margin:0 auto;}
    .bkn-post .bkn-desc .aligncenter{display:block;margin-left:auto;margin-right:auto;}
    .bkn-post .bkn-desc span:has(> img),.bkn-desc a:has(> img:not(.emoji)){display:block;text-align:center;}
    .bkn-post .bkn-desc figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
    .bkn-post .bkn-desc blockquote{margin:18px 0;padding:14px 20px;border-left:4px solid var(--green-2);background:var(--surface);border-radius:0 12px 12px 0;color:#3c3c3c;font-style:italic;}
    .bkn-post .bkn-desc table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:14.5px;}
    .bkn-post .bkn-desc th,.bkn-desc td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
    .bkn-post .bkn-desc th{background:var(--surface);color:var(--green);font-weight:700;}
    .bkn-post .bkn-desc strong,.bkn-desc b{color:var(--ink);}

    /* Tags */
    .bkn-post__tags{display:flex;flex-wrap:wrap;gap:9px;margin:28px 0 0;padding-top:22px;border-top:1px solid var(--line);}
    .bkn-post__tag{display:inline-flex;align-items:center;gap:5px;background:var(--surface);border:1px solid var(--line);color:#3c3c3c;
      font-size:13px;font-weight:600;padding:7px 13px;border-radius:999px;text-decoration:none;transition:all .15s;}
    .bkn-post__tag:hover{border-color:var(--green-2);color:var(--green);}

    /* Sidebar cards */
    .bkn-post__card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);}
    .bkn-post__card-title{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:15px;font-weight:850;color:var(--green);
      margin:0 0 14px;display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.04em;}

    /* In-article Table of Contents (upgraded from the inline box) */
    
    .bkn-post .bkn-desc .bkn-toc{margin:0 0 28px;padding:18px 20px 14px;background:linear-gradient(180deg,#f2f6fb,#fff);
      border:1px solid var(--line);border-left:4px solid var(--green-2);border-radius:14px;box-shadow:0 16px 44px -36px rgba(0,13,68,.22);}
    .bkn-post .bkn-desc .bkn-toc h2,.bkn-desc .bkn-toc h3,.bkn-desc .bkn-toc h4,.bkn-desc .bkn-toc p:first-child strong{
      font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:15px;font-weight:850;color:var(--green);
      margin:0 0 12px;text-transform:uppercase;letter-spacing:.04em;display:flex;align-items:center;gap:8px;line-height:1.2;}
    .bkn-post .bkn-desc .bkn-toc ol,.bkn-desc .bkn-toc ul{margin:0;padding:0;list-style:none;counter-reset:bkn-toc;display:grid;gap:2px;}
    .bkn-post .bkn-desc .bkn-toc li{margin:0;padding:0;counter-increment:bkn-toc;}
    .bkn-post .bkn-desc .bkn-toc li a{display:flex;align-items:flex-start;gap:11px;padding:8px 10px;border-radius:9px;color:#3c3c3c;
      text-decoration:none;font-size:14.5px;line-height:1.5;font-weight:600;transition:background .15s,color .15s;}
    .bkn-post .bkn-desc .bkn-toc li a::before{content:counter(bkn-toc);flex:none;width:23px;height:23px;border-radius:7px;
      background:#fff;color:var(--green);font-size:12.5px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
      border:1px solid var(--line);transition:background .15s,color .15s,border-color .15s;margin-top:1px;}
    .bkn-post .bkn-desc .bkn-toc li a:hover{background:var(--surface);color:var(--green);text-decoration:none;}
    .bkn-post .bkn-desc .bkn-toc li a:hover::before{background:var(--green);color:#fff;border-color:var(--green);}
    .bkn-post .bkn-desc .bkn-toc__toggle{margin:8px 0 0;display:inline-flex;align-items:center;gap:6px;background:transparent;border:0;color:var(--green-soft);font-family:inherit;font-size:13.5px;font-weight:800;cursor:pointer;padding:6px 10px;border-radius:8px;}
    .bkn-post .bkn-desc .bkn-toc__toggle:hover{background:var(--surface);color:var(--green);}

    /* Recent posts */
    .bkn-post__recent{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
    .bkn-post__recent a{display:flex;gap:12px;text-decoration:none;color:var(--ink);align-items:center;}
    .bkn-post__recent-thumb{width:64px;height:64px;flex:none;border-radius:11px;overflow:hidden;background:var(--surface);}
    .bkn-post__recent-thumb img{width:100%;height:100%;object-fit:cover;}
    .bkn-post__recent-txt{font-size:13.5px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
    .bkn-post__recent a:hover .bkn-post__recent-txt{color:var(--green);}

    /* Consultation banner (sidebar) */
    .bkn-post__banner{position:relative;overflow:hidden;border-radius:16px;padding:22px;
      background:linear-gradient(160deg,#123c8b 0%,#000d44 100%);color:#fff;display:flex;flex-direction:column;
      align-items:flex-start;gap:12px;box-shadow:0 30px 80px -50px rgba(18,60,139,.28);}
    .bkn-post__banner.has-bg{background-size:cover;background-position:center;}
    .bkn-post__banner.has-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(18,60,139,.94),rgba(0,13,68,.82));}
    .bkn-post__banner-in{position:relative;}
    .bkn-post__banner h2{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-weight:800;font-size:19px;line-height:1.25;margin:0 0 8px;color:#fff;}
    .bkn-post__banner p{margin:0;font-size:13.5px;line-height:1.65;color:#e7efff;}
    .bkn-post__banner-btn{position:relative;display:inline-flex;width:100%;align-items:center;justify-content:flex-start;gap:10px;text-align:left;
      background:linear-gradient(135deg,var(--orange),var(--orange-dark));color:#fff;border:0;border-radius:12px;
      padding:14px 18px;font-family:inherit;font-size:14.5px;font-weight:800;cursor:pointer;line-height:1.3;
      box-shadow:0 14px 30px -10px rgba(18,60,139,.25);transition:transform .18s,box-shadow .18s;}
    .bkn-post__banner-btn svg{flex:none;}
    .bkn-post__banner-btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(18,60,139,.32);}

    /* Related posts */
    .bkn-post__related{margin-top:48px;}
    .bkn-post__related-head{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:24px;font-weight:850;color:var(--green);margin:0 0 20px;}
    .bkn-post__rgrid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
    .bkn-post__rlink{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;}
    .bkn-post__rlink:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green-2);}
    .bkn-post__rmedia{aspect-ratio:16/10;background:var(--surface);overflow:hidden;}
    .bkn-post__rmedia img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
    .bkn-post__rlink:hover .bkn-post__rmedia img{transform:scale(1.05);}
    .bkn-post__rbody{padding:15px 16px 17px;display:flex;flex-direction:column;gap:9px;flex:1;}
    .bkn-post__rcat{font-size:11.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--orange);}
    .bkn-post__rtitle{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:15px;line-height:1.4;font-weight:700;color:var(--ink);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

    /* Consultation modal (reuses ATP_Sample_Leads) */
    .bkn-post-modal[hidden]{display:none;}
    .bkn-post-modal{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:24px;}
    .bkn-post-modal__overlay{position:absolute;inset:0;background:rgba(0,13,68,.55);backdrop-filter:blur(4px);}
    .bkn-post-modal__box{position:relative;width:min(620px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:26px 28px 28px;box-shadow:0 40px 120px -40px rgba(0,13,68,.32);}
    .bkn-post .bkn-post-modal__x{position:absolute;top:14px;right:14px;width:38px;min-width:38px;max-width:38px;height:38px;min-height:38px;padding:0;box-sizing:border-box;flex:none;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--ink);font-size:22px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;}
    .bkn-post-modal h3{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:21px;font-weight:800;color:var(--green);margin:0 6px 6px 0;padding-right:30px;line-height:1.25;}
    .bkn-post-modal__intro{font-size:14px;line-height:1.65;color:var(--muted);margin:0 0 16px;}
    .bkn-post-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;}
    .bkn-post-field{display:flex;flex-direction:column;gap:5px;margin-bottom:13px;}
    .bkn-post-field.full{grid-column:1/-1;}
    .bkn-post-field label{font-size:13px;font-weight:700;color:var(--green);}
    .bkn-post-field input,.bkn-post-field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-family:inherit;font-size:14.5px;background:#fff;color:var(--ink);width:100%;}
    .bkn-post-field textarea{min-height:84px;resize:vertical;}
    .bkn-post-field input:focus,.bkn-post-field textarea:focus{outline:none;border-color:var(--green-2);box-shadow:0 0 0 3px rgba(18,60,139,.14);}
    .bkn-post-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
    .bkn-post-form__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;}
    .bkn-post-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:800;padding:14px 24px;border-radius:12px;border:2px solid transparent;cursor:pointer;font-family:inherit;text-decoration:none;flex:1 1 auto;}
    .bkn-post-btn--primary,.bkn-post-btn--primary:hover,.bkn-post-btn--primary:focus{color:#fff;}
    .bkn-post-btn--primary{background:linear-gradient(135deg,var(--orange),var(--orange-dark));box-shadow:0 12px 28px -10px rgba(18,60,139,.25);}
    .bkn-post-btn--ghost{background:#fff;color:var(--green);border-color:var(--green);}
    .bkn-post-btn--ghost:hover,.bkn-post-btn--ghost:focus{background:var(--green);color:#fff;}
    .bkn-post-form__msg{margin:14px 0 0;font-size:14px;font-weight:700;}
    .bkn-post-form__msg.is-success{color:var(--green-soft);}
    .bkn-post-form__msg.is-error{color:#c0392b;}
    .bkn-post-form.is-done .bkn-post-form__fields{display:none;}

    /* Responsive */
    @media(max-width:1024px){
      .bkn-post__layout{grid-template-columns:1fr;gap:30px;}
      .bkn-post__aside{position:static;flex-direction:column;}
      .bkn-post__rgrid{grid-template-columns:repeat(2,minmax(0,1fr));}
    }
    @media(max-width:560px){
      .bkn-post__rgrid{grid-template-columns:1fr;}
      .bkn-post-form__grid{grid-template-columns:1fr;}
      .bkn-post .bkn-desc{font-size:16px;}
    }
    @media(prefers-reduced-motion:reduce){
      .bkn-post__banner-btn,.bkn-post__rlink,.bkn-post__rmedia img{transition:none;}
    }