/* nenpdf.vn — giao diện phong cách iLovePDF. Màu chủ đạo đỏ #e5322d. */
:root{
  --red:#e5322d; --red-dark:#c8261f; --ink:#33333b; --muted:#707684;
  --bg:#f6f7fb; --card:#fff; --line:#e8eaee; --ok:#0a8a4a; --okbg:#e9f9f0;
  --radius:10px; --header-h:70px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;
  min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}            /* đẩy footer xuống đáy khi nội dung ngắn (sticky footer) */
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== Sticky header ===== */
.site-header{position:sticky;top:0;z-index:100;background:#fff;height:var(--header-h);
  display:flex;align-items:center;border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 2px 10px rgba(0,0,0,.07)}
.hwrap{max-width:1140px;margin:0 auto;padding:0 20px;width:100%;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:9px;font-size:1.5rem;font-weight:800;letter-spacing:-.3px}
.logo img{width:30px;height:30px}
.logo .n{color:var(--red)} .logo .p{color:#000}
.nav{display:flex;align-items:center;gap:24px}
.nav a{color:var(--ink);font-weight:600;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--red)}
.nav a.active{color:var(--red);border-bottom-color:var(--red)}
.hspacer{flex:1}

/* ===== Layout ===== */
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.hero{text-align:center;padding:48px 20px 8px}
.hero h1{font-size:2.6rem;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.hero p.lead{font-size:1.25rem;color:var(--muted);margin-top:10px}
@media(max-width:640px){.hero h1{font-size:1.8rem}.hero p.lead{font-size:1.05rem}}

/* ===== Tool card ===== */
.tool{max-width:720px;margin:24px auto 0;padding:0 20px}
.drop{background:var(--card);border:2px dashed #cdd4e4;border-radius:16px;padding:46px 24px;text-align:center;
  cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--red);background:#fff6f5}
.btn{display:inline-block;border:0;border-radius:8px;font-weight:700;cursor:pointer;transition:.15s;font-family:inherit}
.btn-primary{background:var(--red);color:#fff;padding:18px 40px;font-size:1.25rem;box-shadow:0 6px 16px rgba(229,50,45,.28)}
.btn-primary:hover{background:var(--red-dark)}
.btn-primary:disabled,.btn-primary.is-disabled{background:#cdd2db;color:#fff;box-shadow:none;cursor:not-allowed}
.btn.is-disabled{pointer-events:none}   /* nút <a> bị vô hiệu hóa khi chưa nén xong */
.btn-ghost{background:#eef0f5;color:var(--ink);padding:12px 22px;font-size:1rem}
.btn-ghost:hover{background:#e3e6ee}
.btn-ok{background:var(--ok);color:#fff;padding:6px 14px;font-size:.85rem;border-radius:7px}
.drop .hint{margin-top:14px;color:var(--muted);font-size:.95rem}
.drop .hint b{color:var(--red)}

/* tiers */
.tiers{display:flex;gap:12px;max-width:720px;margin:18px auto 0}
.tier{flex:1;background:#fff;border:2px solid var(--line);border-radius:12px;padding:14px;text-align:center;cursor:pointer;font-weight:700;font-size:.95rem;transition:.12s}
.tier:hover{border-color:#cdd4e4}
.tier.sel{border-color:var(--red);background:#fff6f5}
.tier small{display:block;color:var(--muted);font-weight:400;margin-top:3px;font-size:.8rem}

/* file list */
.panel{max-width:720px;margin:18px auto 0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.panel-h{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:700;display:flex;justify-content:space-between;align-items:center}
.frow{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid #f1f3f7}
.frow:last-child{border-bottom:0}
.frow .fi{width:26px;height:26px;flex:none}
.frow .fname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}
.frow .fsize{color:var(--muted);font-size:.85rem;white-space:nowrap}
.frow .fx{color:#b5bac6;cursor:pointer;font-size:1.2rem;line-height:1;border:0;background:none}
.frow .fx:hover{color:var(--red)}
.frow .fst{font-size:.85rem;white-space:nowrap}
.fst.done{color:var(--ok);font-weight:700} .fst.err{color:var(--red)}
.pbar{height:6px;background:#eef0f5;border-radius:4px;overflow:hidden;min-width:80px;flex:none;width:120px}
.pbar>i{display:block;height:100%;width:0;background:var(--red);transition:width .3s}
.dlbtn{background:var(--ok);color:#fff;padding:6px 14px;border-radius:7px;font-size:.85rem;font-weight:700;white-space:nowrap}
.dlbtn:hover{filter:brightness(.95)}

/* ===== Mobile: hàng file xuống dòng gọn, nút Tải KHÔNG bị đẩy khuất ===== */
@media(max-width:560px){
  .frow{flex-wrap:wrap;column-gap:10px;row-gap:8px;padding:12px 14px}
  .frow .fi{order:1}
  .frow .fname{order:2;flex:1 1 80px}      /* icon + tên file chung dòng 1 */
  .frow .fsize{order:3}
  .frow .fst{order:4}
  .frow .pbar{order:5;flex:1 1 100%;width:auto}  /* thanh tiến trình kéo dài riêng 1 dòng */
  .frow .res{order:6;flex:1 1 100%}              /* nút Tải xuống dòng cuối, full-width — luôn thấy rõ */
  .frow .res:empty{display:none}                 /* đang nén (chưa có nút) → không chiếm chỗ */
  .frow .res .dlbtn{display:block;text-align:center;padding:11px}
}

.actions{max-width:720px;margin:20px auto 0;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.actions .btn{flex:1 1 240px;text-align:center}   /* 2 nút LUÔN bằng width nhau (desktop chia đôi, mobile full-width) */
.summary{max-width:720px;margin:14px auto 0;text-align:center;color:var(--ink);font-size:.95rem}
.note{max-width:720px;margin:10px auto 0;text-align:center;color:var(--muted);font-size:.85rem}
.center{text-align:center}

/* ===== Ad slot — AN TOÀN với adblock: nếu bị chặn, container tự co về 0, KHÔNG để lại khoảng trống/viền lạ ===== */
.ad-slot{display:block;margin:30px auto;text-align:center;max-width:970px;line-height:0}
.ad-slot:empty{display:none}            /* không có ad → ẩn hẳn, không phá layout */
.ad-slot ins{display:block}

/* ===== SEO content ===== */
.seo{background:#fff;border-top:1px solid var(--line);margin-top:48px;padding:48px 0}
.seo .container{max-width:880px}
.seo h2{font-size:1.6rem;color:var(--ink);margin:0 0 14px}
.seo h3{font-size:1.1rem;margin:22px 0 6px}
.seo p{color:#4b5160;margin:0 0 12px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 8px}
@media(max-width:680px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px}
.step .num{width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:10px}
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
@media(max-width:680px){.feat{grid-template-columns:1fr}}
.feat .f{padding:14px 0;border-top:1px solid var(--line)}
.feat .f b{color:var(--ink)}
.faq dt{font-weight:700;margin-top:16px}
.faq dd{color:#4b5160;margin:4px 0 0}

/* ============================================================
   CẨM NANG PDF (blog) — danh mục (head.png) + bài viết (inside.png)
   ============================================================ */
.blog-wrap{padding:22px 20px 10px}
.crumb{font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:14px}
.crumb a{color:var(--muted)} .crumb a:hover{color:var(--red)}
.crumb span{color:#c2c7d0} .crumb .cur{color:var(--ink);font-weight:600}
.sec-h{font-size:1.25rem;font-weight:800;color:var(--ink);margin:0 0 16px;padding-left:12px;border-left:4px solid var(--red);line-height:1.2}

/* ---- Danh mục: tiêu đề ---- */
.cat-title{font-size:2rem;font-weight:800;color:var(--ink);letter-spacing:-.4px;margin-bottom:4px}
.cat-sub{color:var(--muted);margin-bottom:26px}
.blog-empty{text-align:center;padding:48px 0}
.blog-empty .lead{font-size:1.15rem;color:var(--muted);margin-bottom:18px}
.thumb-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:linear-gradient(135deg,#fde0de,#f6f7fb);color:var(--red);font-weight:800;font-size:1.4rem;letter-spacing:1px}

/* ---- NỔI BẬT NHẤT ---- */
.feat-sec{margin-bottom:38px}
.feat-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.feat-big{display:block;position:relative;border-radius:14px;overflow:hidden;background:#000;min-height:300px}
.feat-big-img{position:absolute;inset:0}
.feat-big-img img,.feat-big-img .thumb-ph{width:100%;height:100%;object-fit:cover}
.feat-big-cap{position:absolute;left:0;right:0;bottom:0;padding:50px 22px 20px;color:#fff;
  background:linear-gradient(to top,rgba(0,0,0,.82),rgba(0,0,0,.35) 60%,transparent)}
.feat-big-cap h3{font-size:1.45rem;font-weight:800;line-height:1.3;margin:8px 0 6px}
.feat-big .badge{display:inline-block;background:var(--red);color:#fff;font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:5px;text-transform:uppercase;letter-spacing:.5px}
.feat-date{font-size:.82rem;opacity:.92}
.feat-small-list{display:flex;flex-direction:column;gap:14px}
.feat-small{display:flex;gap:12px;align-items:flex-start}
.feat-small-img{flex:none;width:104px;height:74px;border-radius:9px;overflow:hidden;background:var(--bg)}
.feat-small-img img,.feat-small-img .thumb-ph{width:100%;height:100%;object-fit:cover}
.feat-small-cap h4{font-size:.95rem;font-weight:700;line-height:1.35;color:var(--ink)}
.feat-small:hover h4{color:var(--red)}
.feat-small-cap .feat-date{color:var(--muted);margin-top:5px;display:block}

/* ---- XEM NHIỀU (cuộn ngang) ---- */
.pop-sec{margin-bottom:38px}
.pop-row{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.pop-row::-webkit-scrollbar{height:7px}.pop-row::-webkit-scrollbar-thumb{background:#d6dae3;border-radius:4px}
.pop-card{flex:none;width:212px;scroll-snap-align:start}
.pop-img{width:100%;aspect-ratio:16/10;border-radius:11px;overflow:hidden;background:var(--bg)}
.pop-img img,.pop-img .thumb-ph{width:100%;height:100%;object-fit:cover}
.pop-card h4{font-size:.92rem;font-weight:700;line-height:1.35;margin-top:9px;color:var(--ink)}
.pop-card:hover h4{color:var(--red)}

/* ---- DANH SÁCH BÀI ---- */
.post-list{display:flex;flex-direction:column}
.list-card{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.list-card:first-child{padding-top:0}
.list-thumb{flex:none;width:236px;aspect-ratio:16/10;border-radius:11px;overflow:hidden;background:var(--bg)}
.list-thumb img,.list-thumb .thumb-ph{width:100%;height:100%;object-fit:cover}
.list-info h3{font-size:1.18rem;font-weight:800;color:var(--ink);line-height:1.35}
.list-card:hover .list-info h3{color:var(--red)}
.list-info p{color:var(--muted);font-size:.95rem;margin:7px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-meta{margin-top:10px;font-size:.82rem;color:var(--muted);display:flex;gap:8px}

/* ---- Phân trang ---- */
.pager{display:flex;justify-content:center;gap:8px;margin:32px 0 8px;flex-wrap:wrap}
.pager a{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-weight:600;font-size:.9rem}
.pager a:hover{border-color:var(--red);color:var(--red)}
.pager a.cur{background:var(--red);color:#fff;border-color:var(--red)}

/* ============================================================
   BÀI VIẾT (inside.png) — 2 cột: nội dung + sidebar
   ============================================================ */
.blog-grid{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:38px;align-items:start}
.post{min-width:0}
.post-cat{display:inline-block;background:#fde0de;color:var(--red);font-size:.76rem;font-weight:700;padding:4px 11px;border-radius:6px;text-transform:uppercase;letter-spacing:.4px}
.post-title{font-size:2.1rem;font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.4px;margin:12px 0 12px}
.post-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:.86rem;padding-bottom:18px;border-bottom:1px solid var(--line)}
.post-cover{margin:20px 0;border-radius:14px;overflow:hidden;aspect-ratio:1200/630;background:var(--bg)}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* ---- Mục lục ---- */
.toc{background:#fafbfd;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:8px 0 26px}
.toc-title{font-weight:800;font-size:1.05rem;color:var(--ink);margin-bottom:12px;cursor:pointer;user-select:none}
.toc-title::after{content:"▾";float:right;color:var(--muted);font-size:.9rem}
.toc.collapsed .toc-list{display:none}.toc.collapsed .toc-title::after{content:"▸"}
.toc-list{list-style:none;counter-reset:none;margin:0;padding:0}
.toc-l2{margin:0 0 4px}
.toc-l2>a{display:flex;align-items:flex-start;gap:10px;color:var(--ink);font-weight:600;padding:5px 0;font-size:.96rem}
.toc-l2>a:hover{color:var(--red)}
.toc-num{flex:none;width:22px;height:22px;border-radius:6px;background:var(--red);color:#fff;font-size:.78rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:1px}
.toc-sub{list-style:none;margin:2px 0 8px 32px;padding:0}
.toc-sub li{margin:2px 0}
.toc-sub a{color:var(--muted);font-size:.9rem;padding:3px 0;display:inline-block}
.toc-sub a:hover{color:var(--red)}

/* ---- Thân bài: typography + dropcap số trên H2 ---- */
.article-body{counter-reset:secn;color:#3a3f4b;font-size:1.04rem;line-height:1.75}
.article-body h2{counter-increment:secn;display:flex;align-items:center;gap:13px;font-size:1.5rem;font-weight:800;color:var(--ink);margin:34px 0 14px;line-height:1.3}
.article-body h2::before{content:counter(secn);flex:none;width:38px;height:38px;border-radius:9px;background:var(--red);color:#fff;font-size:1.05rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.article-body h3{font-size:1.18rem;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body p{margin:0 0 14px}
.article-body a{color:var(--red);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:26px}
.article-body li{margin:6px 0}
.article-body ul li::marker{color:var(--red)}
.article-body img{width:100%;height:auto;border-radius:12px;margin:18px 0}
.article-body blockquote{border-left:4px solid var(--red);background:#fafbfd;margin:18px 0;padding:12px 18px;color:#4b5160;border-radius:0 8px 8px 0}
.article-body strong{color:var(--ink)}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.article-body thead th{background:var(--red);color:#fff;font-weight:700;text-align:left}
.article-body th,.article-body td{padding:11px 13px;border:1px solid var(--line);vertical-align:top}
.article-body tbody tr:nth-child(even){background:#fafbfd}
.article-body tbody th{background:#fff5f4;color:var(--ink)}

/* ---- FAQ accordion ---- */
.faq-block{margin:34px 0 10px}
.faq-h{font-size:1.5rem;font-weight:800;color:var(--ink);margin-bottom:14px}
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff}
.faq-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;font-family:inherit;font-size:1.02rem;font-weight:700;color:var(--ink);padding:15px 18px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-q:hover{color:var(--red)}
.faq-ic{flex:none;font-size:1.4rem;font-weight:400;color:var(--red);line-height:1;transition:transform .2s}
.faq-item.open .faq-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-item.open .faq-a{max-height:600px}
.faq-a p{margin:0;padding:0 18px 16px;color:#4b5160}

/* ---- CTA dùng công cụ ---- */
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:linear-gradient(135deg,#fff6f5,#fde0de);border:1px solid #f6cfcc;border-radius:14px;padding:22px 24px;margin:30px 0}
.cta-box .cta-text b{font-size:1.15rem;color:var(--ink)}
.cta-box .cta-text p{color:#6b5654;margin-top:4px;font-size:.95rem}
.cta-box .btn{flex:none;padding:14px 28px;font-size:1.05rem}

/* ---- Bình luận ---- */
.comments{margin-top:38px;border-top:1px solid var(--line);padding-top:26px}
.cmt-h{font-size:1.4rem;font-weight:800;color:var(--ink);margin-bottom:18px}
.cmt-form{background:#fafbfd;border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:26px}
.cmt-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.cmt-form input,.cmt-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 13px;font-family:inherit;font-size:.96rem;color:var(--ink);background:#fff}
.cmt-form input:focus,.cmt-form textarea:focus{outline:none;border-color:var(--red)}
.cmt-form textarea{resize:vertical}
.cmt-actions{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}
.cmt-actions .btn{padding:11px 26px;font-size:1rem}
.cmt-note{font-size:.9rem}.cmt-note.ok{color:var(--ok)}.cmt-note.err{color:var(--red)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cmt-list{display:flex;flex-direction:column;gap:18px}
.cmt-empty{color:var(--muted)}
.cmt-item{display:flex;gap:13px}
.cmt-av{flex:none;width:42px;height:42px;border-radius:50%;color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.cmt-body{flex:1;min-width:0}
.cmt-top{display:flex;align-items:baseline;gap:10px;margin-bottom:3px}
.cmt-top b{color:var(--ink)} .cmt-top span{color:var(--muted);font-size:.8rem}
.cmt-body p{color:#3a3f4b;margin:0}

/* ---- Sidebar ---- */
.blog-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.side-h{font-weight:800;color:var(--ink);font-size:1.05rem;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--red)}
.side-list{list-style:none;margin:0;padding:0;counter-reset:sn}
.side-list li{margin-bottom:13px}
.side-list li:last-child{margin-bottom:0}
.side-list a{display:flex;gap:11px;align-items:center}
.side-list img{flex:none;width:64px;height:46px;border-radius:8px;object-fit:cover;background:var(--bg)}
.side-list span{font-size:.9rem;font-weight:600;color:var(--ink);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-list a:hover span{color:var(--red)}
.side-cta{background:linear-gradient(135deg,#fff6f5,#fde0de);border-color:#f6cfcc;text-align:center}
.side-cta b{font-size:1.1rem;color:var(--ink)}
.side-cta p{color:#6b5654;font-size:.9rem;margin:6px 0 14px}
.side-cta .btn{width:100%;padding:12px}

/* ---- Bài viết liên quan ---- */
.related{margin:44px 0 10px}
.rel-h{font-size:1.4rem;font-weight:800;color:var(--ink);margin-bottom:18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.rel-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.07)}
.rel-thumb{aspect-ratio:16/9;background:var(--bg)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-info{padding:14px}
.rel-info h3{font-size:1rem;font-weight:700;color:var(--ink);line-height:1.4}
.rel-card:hover .rel-info h3{color:var(--red)}
.rel-date{display:block;margin-top:8px;font-size:.8rem;color:var(--muted)}

/* ---- Responsive blog ---- */
@media(max-width:900px){
  .blog-grid{grid-template-columns:1fr;gap:30px}
  .blog-side{position:static}
  .feat-grid{grid-template-columns:1fr}
  .feat-big{min-height:230px}
  .rel-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .post-title{font-size:1.55rem}
  .cat-title{font-size:1.6rem}
  .list-card{gap:13px}
  .list-thumb{width:130px}
  .list-info h3{font-size:1.02rem}
  .list-info p{display:none}
  .article-body{font-size:1rem}
  .article-body h2{font-size:1.28rem}
  .article-body h2::before{width:32px;height:32px;font-size:.95rem}
  .cmt-row2{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-box{flex-direction:column;align-items:flex-start}
  .cta-box .btn{width:100%;text-align:center}
  .article-body table{font-size:.85rem}
  .article-body th,.article-body td{padding:8px 9px}
}

/* ===== Footer ===== */
.site-footer{flex-shrink:0;background:#fff;border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:.88rem}
.site-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.site-footer .n{color:var(--red);font-weight:800}.site-footer .p{color:#000;font-weight:800}

/* ===== figcaption ảnh in-content (chú thích dưới mỗi ảnh) ===== */
.article-body figure.post-figure{margin:18px 0}
.article-body figure.post-figure img{margin:0}
.article-body figcaption{margin-top:8px;font-size:.9em;color:#6b7280;text-align:center;font-style:italic;line-height:1.5}