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figure.cover{display:none}@media (min-width:1040px){[data-theme=vbabau] main:has(>article.prose){max-width:var(--wide);grid-template-columns:minmax(0,1fr) 270px;align-items:start;column-gap:56px;margin:0 auto;padding:0 24px;display:grid}[data-theme=vbabau] main:has(>article.prose)>.wrap:first-of-type{display:contents}[data-theme=vbabau] main:has(>article.prose)>*{grid-column:1;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vbabau] main:has(>article.prose) .crumbs{grid-column:1/-1;margin-top:22px}[data-theme=vbabau] main:has(>article.prose) nav.toc{grid-area:2/2/span 3;align-self:start;max-height:calc(100vh - 150px);margin:0;position:sticky;top:130px;overflow:auto}[data-theme=vbabau] main:has(>article.prose)>article.prose{max-width:760px}[data-theme=vbabau] main:has(>article.prose)>.wrap:last-of-type{max-width:760px}}[data-theme=vbabau] .cb-hero{text-align:center;background:linear-gradient(#fbe8e3 0%,#fdf8f5 100%);padding:36px 0 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.nx-eyebrow{font-family:var(--font-head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 4px;font-size:.95rem;font-weight:700}[data-theme=vbaoduong] .nx-hero h1{text-transform:uppercase;color:var(--ink);margin:0 0 10px;font-size:clamp(2.2rem,1.4rem + 3vw,3.4rem);line-height:1}[data-theme=vbaoduong] .nx-sub{color:var(--muted);max-width:64ch;margin:0 0 22px;font-size:.98rem}[data-theme=vbaoduong] .nx-moc{counter-reset:none;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vbaoduong] .nx-moc>li{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}[data-theme=vbaoduong] .nx-moc-dau{color:#fff;background:#1d2226;grid-template-columns:auto 1fr;align-items:center;column-gap:12px;padding:12px 14px;display:grid}[data-theme=vbaoduong] .nx-so{font-family:var(--font-head);color:#1d2226;background:#f59e0b;border-radius:3px;grid-row:span 2;padding:2px 6px;font-size:.9rem;font-weight:700}[data-theme=vbaoduong] .nx-km{font-family:var(--font-head);letter-spacing:.02em;font-variant-numeric:tabular-nums;font-size:2.1rem;font-weight:700;line-height:1}[data-theme=vbaoduong] .nx-km small{color:#f59e0b;text-transform:uppercase;margin-left:4px;font-size:.9rem}[data-theme=vbaoduong] .nx-phu{color:#aeb5bb;font-size:.8rem}[data-theme=vbaoduong] .nx-moc ul{margin:0;padding:10px 14px 14px;list-style:none}[data-theme=vbaoduong] .nx-moc ul li{border-bottom:1px dashed var(--border);padding:6px 0 6px 20px;font-size:.9rem;line-height:1.45;position:relative}[data-theme=vbaoduong] .nx-moc ul li:last-child{border-bottom:0}[data-theme=vbaoduong] .nx-moc ul li:before{content:"";border:2px solid var(--accent);border-radius:2px;width:9px;height:9px;position:absolute;top:12px;left:2px}[data-theme=vbaoduong] .nx-hero-link{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.05em;color:#1d2226;background:#f59e0b;border-radius:3px;margin-top:18px;padding:9px 16px;font-size:1.05rem;font-weight:700;text-decoration:none;display:inline-block}[data-theme=vbaoduong] .nx-hero-link:hover{color:#fff;background:#1d2226}[data-theme=vbaoduong] .nx-cm-luoi{grid-template-columns:minmax(0,1fr);gap:22px;margin:26px 0;display:grid}@media (min-width:900px){[data-theme=vbaoduong] .nx-cm-luoi{grid-template-columns:repeat(2,minmax(0,1fr))}}[data-theme=vbaoduong] .nx-cm{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:0 16px 14px}[data-theme=vbaoduong] .nx-cm-head{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:4px;padding:14px 0 8px;display:flex}[data-theme=vbaoduong] .nx-cm-head h2{text-transform:uppercase;letter-spacing:.02em;margin:0;font-size:1.5rem;line-height:1.1}[data-theme=vbaoduong] .nx-cm-head h2 a{color:var(--ink);text-decoration:none}[data-theme=vbaoduong] .nx-cm-head h2 a:hover{color:var(--accent)}[data-theme=vbaoduong] .nx-cm-head span{color:var(--muted);flex:none;font-size:.8rem}[data-theme=vbaoduong] .nx-ds{margin:0;padding:0;list-style:none}[data-theme=vbaoduong] .nx-dong{border-bottom:1px solid var(--surface-2);color:var(--ink);align-items:flex-start;gap:12px;padding:12px 0;text-decoration:none;display:flex}[data-theme=vbaoduong] .nx-ds li:last-child .nx-dong{border-bottom:0}[data-theme=vbaoduong] .nx-dong img,[data-theme=vbaoduong] .nx-trong{object-fit:cover;background:var(--surface-2);border-radius:3px;flex:none;width:96px;height:72px}[data-theme=vbaoduong] .nx-trong{color:#9aa1a7;place-items:center;display:grid}[data-theme=vbaoduong] .nx-dong-chu{min-width:0}[data-theme=vbaoduong] .nx-dong strong{font-family:var(--font-head);font-size:1.15rem;font-weight:600;line-height:1.2;display:block}[data-theme=vbaoduong] .nx-dong:hover strong{color:var(--accent)}[data-theme=vbaoduong] .nx-dong small{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-top:4px;font-size:.84rem;line-height:1.45;display:-webkit-box;overflow:hidden}[data-theme=vbaoduong] .nx-rong{color:var(--muted);margin:12px 0 4px;font-size:.9rem}[data-theme=vbaoduong] .nx-cm-het{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.05em;margin-top:6px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-block}
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.brand{color:var(--ink);font-family:var(--font-head);flex-wrap:wrap;align-items:center;gap:10px;font-size:1.5rem;font-weight:600;display:flex}[data-theme=vbekhoe] .brand:before{content:"";background:#6236b8 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8'/%3E%3Cpath d='M9 10h.01 M15 10h.01 M8.5 14c2 2.2 5 2.2 7 0 M12 4c-1-1.5 0-2.5 1.5-2'/%3E%3C/svg%3E") 50%/26px no-repeat;border-radius:14px;flex:none;width:38px;height:38px;transform:rotate(-6deg)}[data-theme=vbekhoe] .brand-tag{color:#5a4a1a;font-family:var(--font-body);flex-basis:100%;margin-top:-6px;margin-left:48px;font-size:.78rem;font-weight:600}[data-theme=vbekhoe] .nav{gap:6px}[data-theme=vbekhoe] .nav a,[data-theme=vbekhoe] .nav-them>summary{color:var(--ink);background:#fff;border:none;border-radius:999px;padding:6px 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.card-thumb{aspect-ratio:16/10;object-fit:cover;background:var(--surface-2);border-radius:14px;width:100%;height:auto}[data-theme=vbekhoe] .card a.card-t{color:var(--ink);font-size:1.1rem;font-weight:600;line-height:1.3}[data-theme=vbekhoe] .card a.card-t:hover{color:var(--accent)}[data-theme=vbekhoe] .post-head{border-bottom:2px dashed var(--border)}[data-theme=vbekhoe] .post-head h1{color:var(--ink);font-size:clamp(1.85rem,1.25rem + 2.3vw,2.6rem);line-height:1.18}[data-theme=vbekhoe] article.prose>div:first-child>p:first-child{color:var(--ink);border:2px solid var(--bk-sun);background:#fff8e1;border-radius:22px 22px 22px 6px;padding:16px 20px 18px;font-size:1.04rem;position:relative}[data-theme=vbekhoe] article.prose>div:first-child>p:first-child:before{content:"Trả lời ngắn";background:var(--bk-sun);color:var(--ink);font-family:var(--font-head);border-radius:999px;margin-bottom:8px;padding:3px 12px;font-size:.82rem;font-weight:600;display:table}[data-theme=vbekhoe] .prose h2{color:var(--ink);box-shadow:inset 6px 0 0 var(--bk-sun);border-radius:3px;margin-top:2em;padding-left:16px;font-size:1.5rem;line-height:1.25}[data-theme=vbekhoe] .prose h3{color:var(--accent);font-size:1.18rem}[data-theme=vbekhoe] .prose table{border-collapse:separate;border-spacing:0;border:2px solid var(--border);background:#fff;border-radius:16px;width:100%;font-size:.94rem;overflow:hidden}[data-theme=vbekhoe] .prose th{background:var(--accent);color:#fff;text-align:left;font-family:var(--font-head);font-weight:500}[data-theme=vbekhoe] .prose th,[data-theme=vbekhoe] .prose td{border:none;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 14px}[data-theme=vbekhoe] .prose tbody tr:last-child td{border-bottom:none}[data-theme=vbekhoe] .prose tbody tr:nth-child(2n) td{background:var(--bg)}[data-theme=vbekhoe] .prose ul>li::marker{color:var(--bk-mint)}[data-theme=vbekhoe] .prose ol>li::marker{color:var(--accent);font-weight:800}[data-theme=vbekhoe] .prose blockquote{border-left-color:var(--bk-mint);color:var(--ink);background:#e9f7f2;font-style:normal}[data-theme=vbekhoe] .prose figure.anh-bai{margin:1.6em 0}[data-theme=vbekhoe] .prose figure.anh-bai img{width:100%;height:auto;box-shadow:var(--shadow);border:4px solid #fff;border-radius:20px;display:block}[data-theme=vbekhoe] .prose figure.anh-bai figcaption{color:var(--muted);margin-top:8px;font-size:.9rem}[data-theme=vbekhoe] .toc{background:var(--surface-2);border-radius:var(--radius-lg);box-shadow:none;border:none;padding:16px 18px}[data-theme=vbekhoe] .toc-h{font-family:var(--font-head);text-transform:none;letter-spacing:0;color:var(--ink);font-size:1rem}[data-theme=vbekhoe] .toc ol{counter-reset:bk-toc}[data-theme=vbekhoe] .toc li:not(.lv3){counter-increment:bk-toc;gap:8px;display:flex}[data-theme=vbekhoe] .toc li:not(.lv3):before{content:counter(bk-toc);width:22px;height:22px;color:var(--accent);background:#fff;border-radius:50%;flex:none;place-items:center;margin-top:1px;font-size:.74rem;font-weight:800;display:grid}[data-theme=vbekhoe] figure.cover{display:none}@media (min-width:1040px){[data-theme=vbekhoe] main:has(>article.prose){max-width:var(--wide);grid-template-columns:240px minmax(0,1fr);align-items:start;column-gap:44px;margin:0 auto;padding:0 24px;display:grid}[data-theme=vbekhoe] main:has(>article.prose)>.wrap:first-of-type{display:contents}[data-theme=vbekhoe] main:has(>article.prose)>*{grid-column:2;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vbekhoe] main:has(>article.prose) .crumbs{grid-column:1/-1;margin-top:20px}[data-theme=vbekhoe] main:has(>article.prose) nav.toc{grid-area:2/1/span 3;align-self:start;max-height:calc(100vh - 110px);margin:0;position:sticky;top:90px;overflow:auto}[data-theme=vbekhoe] main:has(>article.prose)>article.prose{max-width:780px}[data-theme=vbekhoe] main:has(>article.prose)>.wrap:last-of-type{max-width:780px}}[data-theme=vbekhoe] .bk-hero{background:radial-gradient(circle at 90% 0,#fff3cc 0,#0000 40%),radial-gradient(circle at 0 100%,#dff5ee 0,#0000 45%),#f1ecfd;padding:34px 0 30px}[data-theme=vbekhoe] .bk-hero h1{color:var(--ink);margin:0 0 8px;font-size:clamp(2rem,1.3rem + 2.8vw,3.1rem);line-height:1.1}[data-theme=vbekhoe] .bk-sub{max-width:58ch;color:var(--muted);margin:0 0 22px;font-weight:600}[data-theme=vbekhoe] .bk-tuoi{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}@media (min-width:720px){[data-theme=vbekhoe] .bk-tuoi{grid-template-columns:repeat(5,minmax(0,1fr))}}[data-theme=vbekhoe] .bk-tuoi>li:last-child:nth-child(odd){grid-column:1/-1}@media (min-width:720px){[data-theme=vbekhoe] .bk-tuoi>li:last-child:nth-child(odd){grid-column:auto}}[data-theme=vbekhoe] 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.8vw,1.6rem)}[data-theme=vbekhoe] .bk-khan-ds{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:8px 22px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vbekhoe] .bk-khan-ds li{background:#fff6f4;border-radius:12px;padding:8px 10px 8px 34px;font-size:.95rem;font-weight:600;line-height:1.45;position:relative}[data-theme=vbekhoe] .bk-khan-ds li:before{content:"!";color:#fff;background:#e5533f;border-radius:50%;place-items:center;width:18px;height:18px;font-size:.72rem;font-weight:800;display:grid;position:absolute;top:9px;left:9px}[data-theme=vbekhoe] .bk-khan-luu{color:var(--muted);margin:12px 0 0;font-size:.86rem}[data-theme=vbekhoe] .bk-khoi{--bk-c:#6236b8;--bk-ct:#ece6ff;margin:38px 0}[data-theme=vbekhoe] .bk-c2{--bk-c:#1f7a64;--bk-ct:#dff5ee}[data-theme=vbekhoe] .bk-c3{--bk-c:#b0306a;--bk-ct:#ffe6ef}[data-theme=vbekhoe] .bk-c4{--bk-c:#1767a8;--bk-ct:#e3f0ff}[data-theme=vbekhoe] .bk-khoi-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}[data-theme=vbekhoe] .bk-khoi-head h2{color:var(--ink);align-items:center;gap:10px;margin:0;font-size:clamp(1.35rem,1.1rem + 1vw,1.7rem);display:flex}[data-theme=vbekhoe] .bk-khoi-head h2:before{content:"";background:var(--bk-c);width:14px;height:14px;box-shadow:0 0 0 5px var(--bk-ct);border-radius:50%;flex:none}[data-theme=vbekhoe] .bk-khoi-head a{color:var(--bk-c);background:var(--bk-ct);border-radius:999px;flex:none;padding:6px 12px;font-size:.86rem;font-weight:800;text-decoration:none}[data-theme=vbekhoe] .bk-the{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:18px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vbekhoe] .bk-the a{border:2px solid var(--border);height:100%;color:var(--ink);background:#fff;border-radius:22px;flex-direction:column;text-decoration:none;display:flex;overflow:hidden}[data-theme=vbekhoe] .bk-the a:hover{border-color:var(--bk-c)}[data-theme=vbekhoe] .bk-the img,[data-theme=vbekhoe] .bk-trong{aspect-ratio:16/10;object-fit:cover;background:var(--bk-ct);width:100%;display:block}[data-theme=vbekhoe] .bk-trong{background:radial-gradient(circle at 30% 40%, #fff 0 12%, transparent 13%), radial-gradient(circle at 70% 60%, #fff9 0 18%, transparent 19%), var(--bk-ct)}[data-theme=vbekhoe] .bk-the-chu{flex-direction:column;gap:6px;padding:12px 16px 16px;display:flex}[data-theme=vbekhoe] .bk-nhan{text-transform:uppercase;letter-spacing:.06em;color:var(--bk-c);align-self:flex-start;font-size:.72rem;font-weight:800}[data-theme=vbekhoe] .bk-the strong{font-family:var(--font-head);font-size:1.1rem;font-weight:500;line-height:1.3}[data-theme=vbekhoe] .bk-tt{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;font-size:.88rem;display:-webkit-box;overflow:hidden}[data-theme=vbekhoe] .bk-rong{text-align:center;margin:30px 0}
[data-theme=vbhxh]{--bg:#f3f6fa;--surface:#fff;--surface-2:#e8eef6;--border:#d5deea;--ink:#10213a;--muted:#52627a;--accent:#0b4a8f;--accent-ink:#fff;--radius:6px;--radius-lg:10px;--measure:72ch;--wide:1200px;--base-size:17px;--lh:1.7;--font-body:var(--f-vbhxh-b), "Segoe UI", system-ui, sans-serif;--font-head:var(--f-vbhxh-h), Georgia, "Times New Roman", serif;--head-weight:700;--head-spacing:-.005em;--shadow:0 1px 2px #10213a14, 0 4px 14px #10213a0f;--rule:1px solid var(--border);--line:#d5deea}[data-theme=vbhxh] body{background:var(--bg);color:var(--ink)}[data-theme=vbhxh] a{color:var(--accent)}[data-theme=vbhxh] h1,[data-theme=vbhxh] h2,[data-theme=vbhxh] h3{font-family:var(--font-head)}[data-theme=vbhxh] .site-head{background:#0a2748;border-top:4px solid #1b8a8f;border-bottom:none}[data-theme=vbhxh] .brand{color:#fff;font-family:var(--font-head);align-items:center;gap:12px;font-size:1.32rem;font-weight:900;display:flex}[data-theme=vbhxh] .brand:before{content:"";background:#1b8a8f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 3h11a1 1 0 0 1 1 1v16a1 1 0 0 1-1 1H6a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2z M8 3v18 M11 8h4 M11 11h4'/%3E%3C/svg%3E") 50%/24px no-repeat;border-radius:6px;flex:none;width:36px;height:36px}[data-theme=vbhxh] .brand-tag{color:#a9bdd6;font-family:var(--font-body);margin-top:2px;font-size:.78rem;font-weight:400}[data-theme=vbhxh] .brand{flex-wrap:wrap;row-gap:0}[data-theme=vbhxh] .brand-tag{flex-basis:100%;padding-left:48px}[data-theme=vbhxh] .nav{gap:4px}[data-theme=vbhxh] .nav a,[data-theme=vbhxh] .nav-them>summary{color:#e3ecf7;border-bottom:none;border-radius:6px;padding:8px 12px;font-size:.9rem;font-weight:500}[data-theme=vbhxh] .nav a:hover,[data-theme=vbhxh] .nav-them[open]>summary{color:#fff;background:#143a66}[data-theme=vbhxh] .nav-panel{background:#fff;border-radius:8px}[data-theme=vbhxh] .nav-panel a{color:var(--ink)}[data-theme=vbhxh] .nav-panel a:hover{background:var(--surface-2);color:var(--ink)}[data-theme=vbhxh] .site-foot{color:#a9bdd6;background:#0a2748;border-top:4px solid #1b8a8f}[data-theme=vbhxh] .site-foot a,[data-theme=vbhxh] .site-foot button{color:#fff}[data-theme=vbhxh] .grid-2{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px}[data-theme=vbhxh] .card-box{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:none;border-left:4px solid #1b8a8f;padding:16px 18px}[data-theme=vbhxh] .card-thumb{aspect-ratio:16/9;object-fit:cover;border-radius:4px;width:100%;height:auto;margin-bottom:10px}[data-theme=vbhxh] .card-box .card-t{font-family:var(--font-head);color:#0a2748;font-size:1.04rem;font-weight:700;line-height:1.4;text-decoration:none;display:block}[data-theme=vbhxh] .card-box .card-t:hover{color:var(--accent);text-decoration:underline}[data-theme=vbhxh] .card-box p{color:var(--muted);margin:6px 0 0;font-size:.9rem}[data-theme=vbhxh] .post-head{border-bottom:1px solid var(--border);padding-bottom:14px}[data-theme=vbhxh] .post-head h1{color:#0a2748;font-size:clamp(1.7rem,1.2rem + 2vw,2.4rem);line-height:1.25}[data-theme=vbhxh] article.prose>div:first-child>p:first-child{color:var(--ink);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow);background:#fff;border-top:3px solid #0a2748;padding:16px 20px;font-size:1.02rem}[data-theme=vbhxh] article.prose>div:first-child>p:first-child:before{content:"Trả lời ngắn";color:#fff;font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;background:#0a2748;margin:-16px 0 10px -20px;padding:4px 12px;font-size:.78rem;font-weight:700;display:inline-block}[data-theme=vbhxh] .prose h2{color:#0a2748;border-bottom:2px solid var(--surface-2);margin-top:2em;padding-bottom:6px;font-size:1.45rem}[data-theme=vbhxh] .prose h3{color:#0a2748;font-size:1.15rem}[data-theme=vbhxh] .prose table{border-collapse:collapse;border:1px solid var(--border);background:#fff;width:100%;font-size:.93rem}[data-theme=vbhxh] .prose th{color:#0a2748;text-align:left;background:#e8eef6;font-weight:700}[data-theme=vbhxh] .prose th,[data-theme=vbhxh] .prose td{border:1px solid var(--border);vertical-align:top;padding:10px 12px}[data-theme=vbhxh] .prose ul>li::marker{color:#1b8a8f}[data-theme=vbhxh] .prose ol>li::marker{color:#0a2748;font-weight:700}[data-theme=vbhxh] .prose figure.anh-bai{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin:1.6em 0;padding:8px}[data-theme=vbhxh] .prose figure.anh-bai img{border-radius:4px;width:100%;height:auto;display:block}[data-theme=vbhxh] .prose figure.anh-bai figcaption{color:var(--muted);margin:8px 4px 2px;font-size:.88rem}[data-theme=vbhxh] .toc{border:1px solid var(--border);border-radius:var(--radius);box-shadow:none;background:#fff;padding:14px 16px}[data-theme=vbhxh] .toc .toc-h{color:#0a2748;text-transform:uppercase;letter-spacing:.06em;border-bottom:2px solid #1b8a8f;margin-bottom:8px;padding-bottom:8px;font-size:.78rem;font-weight:700}[data-theme=vbhxh] .toc a{color:var(--ink)}[data-theme=vbhxh] figure.cover{display:none}@media (min-width:1040px){[data-theme=vbhxh] main:has(>article.prose){max-width:var(--wide);grid-template-columns:260px minmax(0,1fr);align-items:start;column-gap:44px;margin:0 auto;padding:0 24px;display:grid}[data-theme=vbhxh] main:has(>article.prose)>.wrap:first-of-type{display:contents}[data-theme=vbhxh] main:has(>article.prose)>*{grid-column:2;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vbhxh] main:has(>article.prose) .crumbs{grid-column:1/-1;margin-top:18px}[data-theme=vbhxh] main:has(>article.prose) nav.toc{grid-area:2/1/span 3;align-self:start;max-height:calc(100vh - 110px);margin:0;position:sticky;top:90px;overflow:auto}[data-theme=vbhxh] main:has(>article.prose)>article.prose{max-width:820px}[data-theme=vbhxh] main:has(>article.prose)>.wrap:last-of-type{max-width:820px}}[data-theme=vbhxh] .bh-doclap{color:#16414a;background:#e6f3f3;border-bottom:1px solid #c3e0e0;padding:10px 0;font-size:.88rem}[data-theme=vbhxh] .bh-doclap strong{color:#0a2748}[data-theme=vbhxh] .bh-dau{background:#0a2748;padding:30px 0 32px}[data-theme=vbhxh] .bh-dau h1{color:#fff;margin:0 0 8px;font-size:clamp(1.9rem,1.3rem + 2.4vw,2.7rem);font-weight:900}[data-theme=vbhxh] .bh-sub{color:#c6d5e8;max-width:68ch;margin:0 0 22px;font-size:.96rem}[data-theme=vbhxh] .bh-viec{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vbhxh] .bh-viec a{border:1px solid var(--border);border-radius:var(--radius-lg);height:100%;box-shadow:var(--shadow);color:var(--ink);background:#fff;align-items:flex-start;gap:12px;padding:18px 16px;text-decoration:none;display:flex}[data-theme=vbhxh] .bh-viec a:hover{box-shadow:0 0 0 2px #1b8a8f inset, var(--shadow);border-color:#1b8a8f}[data-theme=vbhxh] .bh-viec-ic{color:#1b8a8f;background:#e6f3f3;border-radius:8px;flex:none;place-items:center;width:46px;height:46px;display:grid}[data-theme=vbhxh] .bh-viec-chu{flex:1;min-width:0}[data-theme=vbhxh] .bh-viec-chu strong{font-family:var(--font-head);color:#0a2748;margin-bottom:4px;font-size:1.06rem;line-height:1.3;display:block}[data-theme=vbhxh] .bh-viec-chu span{color:var(--muted);font-size:.86rem;line-height:1.5;display:block}[data-theme=vbhxh] .bh-mui{color:#1b8a8f;flex:none;font-size:1.2rem;font-weight:700}[data-theme=vbhxh] .bh-hai{grid-template-columns:minmax(0,1fr);gap:28px;margin:30px 0;display:grid}@media (min-width:960px){[data-theme=vbhxh] .bh-hai{grid-template-columns:minmax(0,1fr) 320px}}[data-theme=vbhxh] .bh-h2{color:#0a2748;border-bottom:3px solid #0a2748;margin:0 0 12px;padding-bottom:8px;font-size:1.3rem}[data-theme=vbhxh] .bh-ds ol{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin:0;padding:0;list-style:none}[data-theme=vbhxh] .bh-ds li+li{border-top:1px solid var(--border)}[data-theme=vbhxh] .bh-ds a{color:var(--ink);padding:14px 18px;text-decoration:none;display:block}[data-theme=vbhxh] .bh-ds a:hover{background:#f7fafd}[data-theme=vbhxh] .bh-ds a:hover strong{color:var(--accent);text-decoration:underline}[data-theme=vbhxh] .bh-dong-tren{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 12px;margin-bottom:4px;font-size:.78rem;display:flex}[data-theme=vbhxh] .bh-nhan{color:#1b8a8f;text-transform:uppercase;letter-spacing:.04em;font-weight:700}[data-theme=vbhxh] .bh-ds strong{font-family:var(--font-head);color:#0a2748;font-size:1.05rem;line-height:1.4;display:block}[data-theme=vbhxh] .bh-tom{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-top:4px;font-size:.9rem;display:-webkit-box;overflow:hidden}[data-theme=vbhxh] .bh-rong{border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);background:#fff;padding:20px}[data-theme=vbhxh] .bh-cm{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin:0 0 18px;padding:0;list-style:none}[data-theme=vbhxh] .bh-cm li+li{border-top:1px solid var(--border)}[data-theme=vbhxh] .bh-cm a{color:var(--ink);justify-content:space-between;gap:12px;padding:12px 16px;font-weight:500;text-decoration:none;display:flex}[data-theme=vbhxh] .bh-cm a:hover{color:var(--accent)}[data-theme=vbhxh] .bh-cm b{text-align:center;background:var(--surface-2);color:#0a2748;border-radius:999px;min-width:30px;padding:1px 8px;font-size:.8rem}[data-theme=vbhxh] .bh-ghichu{border-radius:var(--radius);background:#e6f3f3;padding:16px}[data-theme=vbhxh] .bh-ghichu h3{color:#0a2748;margin:0 0 6px;font-size:1rem}[data-theme=vbhxh] .bh-ghichu p{color:#26485a;margin:0;font-size:.88rem}[data-theme=vbhxh] .bh-nhom{margin:26px 0}[data-theme=vbhxh] .bh-nhom-dau{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 16px;padding-bottom:6px;display:flex}[data-theme=vbhxh] .bh-nhom-dau h2{color:#0a2748;margin:0;font-size:1.2rem}[data-theme=vbhxh] .bh-nhom-dau a{font-size:.88rem;font-weight:600}[data-theme=vbhxh] .bh-nhom ul{margin:0;padding:0;list-style:none}[data-theme=vbhxh] .bh-nhom li{border-bottom:1px dotted var(--border);justify-content:space-between;align-items:baseline;gap:16px;padding:9px 0;display:flex}[data-theme=vbhxh] .bh-nhom li a{color:var(--ink);min-width:0;text-decoration:none}[data-theme=vbhxh] .bh-nhom li a:before{content:"›";color:#1b8a8f;margin-right:8px;font-weight:700}[data-theme=vbhxh] .bh-nhom li a:hover{color:var(--accent);text-decoration:underline}[data-theme=vbhxh] .bh-nhom li span{color:var(--muted);font-variant-numeric:tabular-nums;flex:none;font-size:.8rem}@media (max-width:640px){[data-theme=vbhxh] .site-head .row{flex-wrap:wrap;padding:10px 16px}[data-theme=vbhxh] .nav{gap:2px;width:100%;margin-left:0}[data-theme=vbhxh] .nav a,[data-theme=vbhxh] .nav-them>summary{padding:6px 8px;font-size:.84rem}[data-theme=vbhxh] .brand{font-size:1.18rem}[data-theme=vbhxh] .bh-ds a{padding:12px 14px}[data-theme=vbhxh] .bh-nhom li span{display:none}}
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.brand{font-size:1.3rem}[data-theme=vcacanh] .brand:before{background-size:34px 34px,cover;width:34px;height:34px}[data-theme=vcacanh] .nav a,[data-theme=vcacanh] .nav-them>summary{padding:5px 10px;font-size:.84rem}}[data-theme=vcacanh] .site-foot{background:var(--deep);color:#b9d9ea;border-top:none;margin-top:56px;padding-top:40px;position:relative}[data-theme=vcacanh] .site-foot:before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 24' preserveAspectRatio='none'%3E%3Cpath d='M0 12C30 0 30 24 60 12S90 0 120 12V24H0z' fill='%230a3d5c'/%3E%3C/svg%3E") 0 100%/120px 24px repeat-x;height:24px;position:absolute;bottom:100%;left:0;right:0}[data-theme=vcacanh] .site-foot a,[data-theme=vcacanh] .site-foot button{color:#fff}[data-theme=vcacanh] .site-foot strong{font-family:var(--font-head);color:#fff;font-size:1.15rem}[data-theme=vcacanh] 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2.5vw,2.8rem);font-weight:800;line-height:1.08}[data-theme=vcacanh] .post-meta{color:var(--muted)}[data-theme=vcacanh] article.prose>div:first-child>p:first-child{background:var(--surface-2);color:var(--ink);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 6px;margin-top:6px;padding:20px 22px 18px;font-size:1.04rem;position:relative}[data-theme=vcacanh] article.prose>div:first-child>p:first-child:before{content:"Trả lời nhanh";background:var(--coral);color:#fff;font-family:var(--font-head);border-radius:999px;margin:0 0 10px;padding:3px 12px 2px;font-size:.82rem;font-weight:700;line-height:1.5;display:inline-block}[data-theme=vcacanh] article.prose>div:first-child>p:first-child:after{content:"";opacity:.6;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b7fb5' stroke-width='1.6'%3E%3Ccircle cx='8' cy='16' r='4'/%3E%3Ccircle cx='16' cy='8' r='2.6'/%3E%3Ccircle cx='18' cy='17' r='1.6'/%3E%3C/svg%3E") 50%/contain no-repeat;width:26px;height:26px;position:absolute;top:14px;right:18px}[data-theme=vcacanh] .prose h2{color:var(--deep);margin-top:2em;font-size:1.62rem}[data-theme=vcacanh] .prose h2:before{content:"";background:var(--coral);vertical-align:.18em;border-radius:50%;width:12px;height:12px;margin-right:10px;display:inline-block}[data-theme=vcacanh] .prose h3{color:var(--accent);font-size:1.24rem}[data-theme=vcacanh] .prose .table-wrap{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}[data-theme=vcacanh] .prose table{border-collapse:collapse;background:#fff;width:100%;font-size:.93rem}[data-theme=vcacanh] .prose th{background:var(--accent);color:#fff;text-align:left;font-family:var(--font-head);border:none;font-weight:700}[data-theme=vcacanh] .prose th,[data-theme=vcacanh] .prose td{border:none;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 14px}[data-theme=vcacanh] .prose tbody tr:nth-child(2n) td{background:#f2f9fc}[data-theme=vcacanh] .prose ul>li::marker{color:var(--accent)}[data-theme=vcacanh] .prose ol>li::marker{color:var(--coral);font-weight:700;font-family:var(--font-head)}[data-theme=vcacanh] .prose blockquote{border-radius:var(--radius);color:var(--ink);background:#fff4ef;border-left:none;padding:14px 18px}[data-theme=vcacanh] .prose figure.anh-bai{margin:1.8em 0}[data-theme=vcacanh] .prose figure.anh-bai img{border-radius:var(--radius-lg);width:100%;height:auto;box-shadow:var(--shadow);display:block}[data-theme=vcacanh] .prose figure.anh-bai figcaption{border-left:3px solid var(--coral);color:var(--muted);margin-top:10px;padding-left:14px;font-size:.9rem}[data-theme=vcacanh] .toc{border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#fff;border:none;padding:18px 20px}[data-theme=vcacanh] .toc-h{color:var(--deep);text-transform:none;letter-spacing:0;font-size:.95rem;font-weight:700}[data-theme=vcacanh] .toc a{color:var(--ink)}[data-theme=vcacanh] .toc a:hover{color:var(--accent)}[data-theme=vcacanh] figure.cover{display:none}[data-theme=vcacanh] .author-box{border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#fff;border:none}[data-theme=vcacanh] .author-box .av{background:var(--accent);color:#fff;border-radius:50%}@media (min-width:1040px){[data-theme=vcacanh] main:has(>article.prose){max-width:var(--wide);grid-template-columns:minmax(0,1fr) 270px;align-items:start;column-gap:48px;margin:0 auto;padding:0 24px;display:grid}[data-theme=vcacanh] main:has(>article.prose)>.wrap:first-of-type{display:contents}[data-theme=vcacanh] main:has(>article.prose)>*{grid-column:1;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vcacanh] main:has(>article.prose)>.wrap:first-of-type>*{grid-column:1;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vcacanh] main:has(>article.prose)>.wrap:first-of-type>.crumbs{margin-top:22px}[data-theme=vcacanh] main:has(>article.prose)>.wrap:first-of-type>nav.toc{grid-area:1/2/span 5;align-self:start;max-height:calc(100vh - 112px);margin:22px 0 0;position:sticky;top:92px;overflow:auto}[data-theme=vcacanh] main:has(>article.prose)>article.prose{max-width:800px}[data-theme=vcacanh] main:has(>article.prose)>.wrap:last-of-type{max-width:800px}}[data-theme=vcacanh] .bc-hero{background:linear-gradient(180deg, #d6eefa 0%, #e9f7fd 70%, var(--bg) 100%);margin-bottom:8px;padding:44px 0 0;position:relative;overflow:hidden}[data-theme=vcacanh] .bc-hero-in{z-index:1;padding-bottom:56px;position:relative}[data-theme=vcacanh] .bc-song{width:100%;height:48px;color:var(--bg);display:block;position:absolute;bottom:0;left:0}[data-theme=vcacanh] .bc-eyebrow{color:var(--accent);font-family:var(--font-head);align-items:center;gap:8px;margin:0 0 10px;font-size:1rem;font-weight:700;display:inline-flex}[data-theme=vcacanh] 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.bc-buoc-bai{overflow-wrap:anywhere;font-size:.86rem;font-weight:500;text-decoration:none;display:block}[data-theme=vcacanh] .bc-buoc-bai:hover{text-decoration:underline}[data-theme=vcacanh] .bc-khoi{margin:36px 0}[data-theme=vcacanh] .bc-khoi-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;display:flex}[data-theme=vcacanh] .bc-khoi-head h2{color:var(--deep);margin:0;font-size:1.7rem}[data-theme=vcacanh] .bc-khoi-head a{background:var(--surface-2);border-radius:999px;flex:none;padding:6px 14px;font-size:.9rem;font-weight:600;text-decoration:none}[data-theme=vcacanh] .bc-luoi{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:22px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vcacanh] .bc-the{height:100%;box-shadow:var(--shadow);color:var(--ink);background:#fff;border-radius:26px;flex-direction:column;padding:10px;text-decoration:none;transition:transform .15s;display:flex}[data-theme=vcacanh] .bc-the:hover{transform:translateY(-3px)}[data-theme=vcacanh] .bc-the img,[data-theme=vcacanh] .bc-trong{aspect-ratio:3/2;object-fit:cover;background:var(--surface-2);border-radius:18px;width:100%;display:block}[data-theme=vcacanh] .bc-trong{color:#7cc3e2;background:linear-gradient(#e0f2fa,#c9e8f5);place-items:center;display:grid}[data-theme=vcacanh] .bc-trong svg{width:64px;height:44px}[data-theme=vcacanh] .bc-the-chu{padding:12px 10px 10px;display:block}[data-theme=vcacanh] .bc-the-chu small{color:#c4502f;background:#fff0ea;border-radius:999px;margin-bottom:6px;padding:2px 10px;font-size:.76rem;font-weight:500;display:inline-block}[data-theme=vcacanh] .bc-the-chu strong{font-family:var(--font-head);color:var(--deep);font-size:1.16rem;font-weight:700;line-height:1.25;display:block}[data-theme=vcacanh] .bc-dong{grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}[data-theme=vcacanh] .bc-dong a{box-shadow:var(--shadow);color:var(--deep);background:#fff;border-radius:20px;align-items:center;gap:14px;height:100%;padding:10px;text-decoration:none;display:flex}[data-theme=vcacanh] .bc-dong img,[data-theme=vcacanh] .bc-trong.nho{aspect-ratio:1;object-fit:cover;border-radius:16px;flex:none;width:76px;height:76px}[data-theme=vcacanh] .bc-trong.nho svg{width:38px;height:26px}[data-theme=vcacanh] .bc-dong strong{font-family:var(--font-head);min-width:0;font-size:1.04rem;font-weight:600;line-height:1.25}[data-theme=vcacanh] .bc-dong a:hover strong{color:var(--accent)}[data-theme=vcacanh] .bc-rong{padding:24px 0}
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.brand{color:var(--cc-rong);text-align:center;font-family:var(--font-head);letter-spacing:-.01em;flex-direction:column;align-items:center;gap:2px;font-size:1.85rem;font-weight:600;line-height:1.1;display:flex}[data-theme=vcaycanh] .brand:before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7.5 14.5h9l-1.3 6.5H8.8z' stroke='%23b65a34'/%3E%3Cpath d='M12 14.5V8 M12 10.5c-3.2 0-5.2-2-5.2-5.2 3.2 0 5.2 2 5.2 5.2z M12 9c0-2.7 1.7-4.8 4.8-4.8 0 2.7-1.7 4.8-4.8 4.8z' stroke='%232f6b45'/%3E%3C/svg%3E") 50%/34px no-repeat;width:34px;height:34px;margin-bottom:4px}[data-theme=vcaycanh] .brand-tag{color:var(--muted);font-family:var(--font-head);font-size:.92rem;font-style:italic;font-weight:500}[data-theme=vcaycanh] .nav{border-top:1px solid var(--border);justify-content:center;gap:4px 26px;width:100%;margin:10px 0 0;padding:10px 0 11px}[data-theme=vcaycanh] .nav a,[data-theme=vcaycanh] .nav-them>summary{color:var(--ink);letter-spacing:.12em;text-transform:uppercase;border-bottom:1px solid #0000;font-size:.8rem;font-weight:500}[data-theme=vcaycanh] .nav a:hover{color:var(--cc-dat);border-bottom-color:var(--cc-dat)}[data-theme=vcaycanh] .nav-panel{text-transform:none;letter-spacing:0}[data-theme=vcaycanh] .nav-panel a{color:var(--ink);text-transform:none;letter-spacing:0;font-size:.9rem}[data-theme=vcaycanh] .site-foot{background:var(--cc-rong);color:#c5d3c7;border-top:none}[data-theme=vcaycanh] .site-foot a,[data-theme=vcaycanh] .site-foot button{color:#fff}[data-theme=vcaycanh] .site-foot strong{font-family:var(--font-head);color:#fff;font-size:1.15rem}[data-theme=vcaycanh] .grid-2{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px 22px}[data-theme=vcaycanh] .card-box{box-shadow:none;background:0 0;border:none;border-radius:0;padding:0}[data-theme=vcaycanh] .card-thumb{aspect-ratio:4/5;object-fit:cover;background:var(--surface-2);border-radius:2px;width:100%;height:auto;margin-bottom:12px}[data-theme=vcaycanh] .card a.card-t{color:var(--ink);font-size:1.14rem;font-weight:600;line-height:1.3}[data-theme=vcaycanh] .card a.card-t:hover{color:var(--accent)}[data-theme=vcaycanh] .post-head{border-bottom:1px solid var(--border);text-align:left;padding-bottom:18px}[data-theme=vcaycanh] .post-head h1{color:var(--cc-rong);font-size:clamp(2rem,1.3rem + 2.6vw,3rem);font-weight:600;line-height:1.12}[data-theme=vcaycanh] .post-head .lede{font-family:var(--font-head);font-size:1.15rem;font-style:italic}[data-theme=vcaycanh] .crumbs{text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}[data-theme=vcaycanh] article.prose>div:first-child>p:first-child{background:var(--surface-2);color:var(--ink);border-top:2px solid var(--accent);border-radius:0;padding:18px 22px 20px;font-size:1.04rem}[data-theme=vcaycanh] article.prose>div:first-child>p:first-child:before{content:"Tóm lại";font-family:var(--font-head);color:var(--cc-dat);margin-bottom:4px;font-size:1.15rem;font-style:italic;font-weight:600;display:block}[data-theme=vcaycanh] .prose h2{color:var(--cc-rong);margin-top:2.1em;font-size:1.7rem;font-weight:600}[data-theme=vcaycanh] .prose h3{color:var(--cc-rong);font-size:1.25rem;font-style:italic;font-weight:600}[data-theme=vcaycanh] .prose table{border-collapse:collapse;border-top:2px solid var(--cc-rong);border-bottom:2px solid var(--cc-rong);width:100%;font-size:.94rem}[data-theme=vcaycanh] .prose th{color:var(--cc-rong);text-align:left;font-family:var(--font-head);border-bottom:1px solid var(--cc-rong);background:0 0;font-size:1rem;font-weight:600}[data-theme=vcaycanh] .prose th,[data-theme=vcaycanh] .prose td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px}[data-theme=vcaycanh] .prose ul>li::marker{color:var(--accent);content:"— "}[data-theme=vcaycanh] .prose ol>li::marker{color:var(--cc-dat);font-family:var(--font-head);font-weight:600}[data-theme=vcaycanh] .prose blockquote{border-left:2px solid var(--cc-dat);font-family:var(--font-head);font-style:italic}[data-theme=vcaycanh] .prose figure.anh-bai{margin:1.8em 0}[data-theme=vcaycanh] .prose figure.anh-bai img{border-radius:2px;width:100%;height:auto;display:block}[data-theme=vcaycanh] .prose figure.anh-bai figcaption{font-family:var(--font-head);color:var(--muted);border-left:2px solid var(--cc-dat);margin-top:8px;padding-left:10px;font-size:.95rem;font-style:italic}[data-theme=vcaycanh] .toc{border:none;border-left:1px solid var(--border);background:0 0;border-radius:0;padding:4px 0 4px 18px}[data-theme=vcaycanh] .toc-h{font-family:var(--font-head);text-transform:none;letter-spacing:0;color:var(--cc-dat);font-size:1.05rem;font-style:italic}[data-theme=vcaycanh] .toc a{color:var(--ink)}[data-theme=vcaycanh] figure.cover{display:none}@media (min-width:1040px){[data-theme=vcaycanh] 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.cc-hero{background:var(--cc-rong);color:#fff;align-items:flex-end;min-height:340px;display:flex;position:relative;overflow:hidden}@media (min-width:900px){[data-theme=vcaycanh] .cc-hero{min-height:480px}}[data-theme=vcaycanh] .cc-hero-trong{background:radial-gradient(circle at 85% 30%, #3f7d55 0 140px, transparent 141px), radial-gradient(circle at 70% 90%, #2a5a3b 0 90px, transparent 91px), var(--cc-rong)}[data-theme=vcaycanh] .cc-hero-img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}[data-theme=vcaycanh] .cc-hero-phu{background:linear-gradient(#0f1e140d 0%,#0f1e1459 45%,#0f1e14d1 100%);position:absolute;inset:0}[data-theme=vcaycanh] .cc-hero-noi{padding-top:48px;padding-bottom:34px;position:relative}[data-theme=vcaycanh] .cc-h1{font-family:var(--font-body);letter-spacing:.16em;text-transform:uppercase;color:#dfe9df;margin:0 0 16px;font-size:.78rem;font-weight:500}[data-theme=vcaycanh] 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.cc-doc:hover{color:var(--cc-rong);background:#fff}[data-theme=vcaycanh] .cc-chip{border-bottom:1px solid var(--border);background:var(--bg)}[data-theme=vcaycanh] .cc-chip-row{flex-wrap:wrap;align-items:center;gap:10px;padding-top:16px;padding-bottom:16px;display:flex}[data-theme=vcaycanh] .cc-chip-h{font-family:var(--font-head);color:var(--muted);margin-right:6px;font-style:italic}[data-theme=vcaycanh] .cc-chip a{color:var(--ink);background:#fff;border:1px solid #c9c6b8;border-radius:999px;align-items:center;gap:8px;padding:7px 16px;font-size:.9rem;text-decoration:none;display:inline-flex}[data-theme=vcaycanh] .cc-chip a:hover{border-color:var(--cc-dat);color:var(--cc-dat)}[data-theme=vcaycanh] .cc-chip em{color:var(--muted);font-size:.74rem;font-style:normal}[data-theme=vcaycanh] .cc-khoi{margin:38px 0}[data-theme=vcaycanh] .cc-khoi-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:18px;padding-bottom:8px;display:flex}[data-theme=vcaycanh] .cc-khoi-head h2{color:var(--cc-rong);margin:0;font-size:1.7rem;font-weight:600}[data-theme=vcaycanh] .cc-khoi-head a{letter-spacing:.1em;text-transform:uppercase;color:var(--cc-dat);flex:none;font-size:.8rem;text-decoration:none}[data-theme=vcaycanh] .cc-luoi{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 14px;margin:0;padding:0;list-style:none;display:grid}@media (min-width:700px){[data-theme=vcaycanh] .cc-luoi{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 20px}}@media (min-width:1000px){[data-theme=vcaycanh] .cc-luoi{grid-template-columns:repeat(4,minmax(0,1fr))}}[data-theme=vcaycanh] .cc-the{color:var(--ink);text-decoration:none;display:block}[data-theme=vcaycanh] .cc-anh{aspect-ratio:4/5;background:var(--surface-2);display:block;overflow:hidden}[data-theme=vcaycanh] .cc-anh img{object-fit:cover;width:100%;height:100%;transition:transform .35s;display:block}[data-theme=vcaycanh] .cc-the:hover .cc-anh img{transform:scale(1.03)}[data-theme=vcaycanh] .cc-trong{width:100%;height:100%;color:var(--accent);background:repeating-linear-gradient(135deg,#eef2ea 0 14px,#e6ece1 14px 28px);justify-content:center;align-items:center;display:flex}[data-theme=vcaycanh] .cc-nhan{letter-spacing:.12em;text-transform:uppercase;color:var(--cc-dat);margin-top:12px;font-size:.7rem;font-weight:600;display:block}[data-theme=vcaycanh] .cc-the strong{font-family:var(--font-head);margin-top:6px;font-size:1.08rem;font-weight:600;line-height:1.3;display:block}[data-theme=vcaycanh] .cc-anh+strong{margin-top:12px}[data-theme=vcaycanh] .cc-the:hover strong{color:var(--accent)}[data-theme=vcaycanh] .cc-rong{padding:24px 0}@media (max-width:640px){[data-theme=vcaycanh] .wrap,[data-theme=vcaycanh] .wrap-wide{padding-left:16px;padding-right:16px}[data-theme=vcaycanh] .site-head .row{padding:12px 16px 0}[data-theme=vcaycanh] .brand{font-size:1.5rem}[data-theme=vcaycanh] .nav{gap:4px 16px;margin-top:6px}[data-theme=vcaycanh] .nav a,[data-theme=vcaycanh] .nav-them>summary{letter-spacing:.06em;font-size:.72rem}[data-theme=vcaycanh] .cc-the strong{font-size:.98rem}[data-theme=vcaycanh] .cc-khoi-head h2{font-size:1.4rem}}
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.brand{color:var(--rule-ink);font-family:var(--font-head);white-space:normal;flex-direction:column;align-items:center;gap:2px;font-size:2.3rem;font-weight:800;line-height:1.05;display:flex}[data-theme=vchannuoi] .brand:before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 46 34' fill='none' stroke='%239a3412' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 9c0-3 3-5 5-3 1-2 4-1 3 1'/%3E%3Cpath d='M14 10c-2 0-4 1-5 3l4 .5'/%3E%3Cpath d='M14 10c0 5 2 8 7 10 5 2 10-1 11-7-3 1-5 1-7-1-2 3-6 3-8-2'/%3E%3Cpath d='M19 21v5m4-5v5'/%3E%3Cpath d='M2 30h42' stroke='%2355702b'/%3E%3C/svg%3E") 50%/contain no-repeat;width:46px;height:34px;margin-bottom:4px}[data-theme=vchannuoi] .brand-tag{color:var(--muted);font-family:var(--font-head);margin-top:2px;font-size:.95rem;font-style:italic;font-weight:500}[data-theme=vchannuoi] .nav{border-top:1px solid var(--rule-ink);justify-content:center;gap:4px 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9px;font-size:.74rem}}[data-theme=vchannuoi] .site-foot{background:var(--surface-2);color:var(--muted);border-top:4px double var(--rule-ink);margin-top:48px}[data-theme=vchannuoi] .site-foot a,[data-theme=vchannuoi] .site-foot button{color:var(--rule-ink)}[data-theme=vchannuoi] .site-foot strong{font-family:var(--font-head);color:var(--rule-ink);font-size:1.2rem}[data-theme=vchannuoi] .grid-2{border-top:2px solid var(--rule-ink);grid-template-columns:minmax(0,1fr);gap:0}@media (min-width:900px){[data-theme=vchannuoi] .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:36px}}[data-theme=vchannuoi] .card-box{border:none;border-bottom:1px solid var(--border);box-shadow:none;background:0 0;border-radius:0;padding:16px 0}[data-theme=vchannuoi] .card-box:hover{border-color:var(--border)}[data-theme=vchannuoi] .card-box:has(.card-thumb){grid-template-columns:96px minmax(0,1fr);align-content:start;column-gap:16px;display:grid}[data-theme=vchannuoi] 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2.6vw,3rem);font-weight:800;line-height:1.08}[data-theme=vchannuoi] .post-head .lede{font-family:var(--font-head);color:var(--muted);font-style:italic}[data-theme=vchannuoi] article.prose>div:first-child>p:first-child{background:var(--surface);color:var(--ink);border:1px solid var(--rule-ink);outline:1px solid var(--rule-ink);outline-offset:3px;margin:10px 4px 1.6em;padding:16px 20px;font-size:1.02rem}[data-theme=vchannuoi] article.prose>div:first-child>p:first-child:before{content:"Tóm tắt cho người bận";background:var(--rule-ink);color:var(--bg);font-family:var(--font-body);letter-spacing:.16em;text-transform:uppercase;margin:-16px -20px 12px;padding:5px 20px;font-size:.74rem;font-weight:700;display:block}[data-theme=vchannuoi] .prose h2{color:var(--rule-ink);border-top:2px solid var(--rule-ink);margin-top:2em;padding-top:10px;font-size:1.7rem}[data-theme=vchannuoi] .prose h3{color:var(--accent);font-size:1.28rem;font-style:italic;font-weight:700}[data-theme=vchannuoi] .prose 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";color:var(--accent);font-family:var(--font-head);font-weight:700}[data-theme=vchannuoi] .toc a{color:var(--ink);font-size:.95rem}[data-theme=vchannuoi] figure.cover{display:none}[data-theme=vchannuoi] .author-box{border:none;border-top:1px solid var(--rule-ink);border-bottom:1px solid var(--rule-ink);box-shadow:none;background:0 0;border-radius:0}[data-theme=vchannuoi] .author-box .av{background:var(--green);color:#fff;font-family:var(--font-head);border-radius:0}@media (min-width:1040px){[data-theme=vchannuoi] main:has(>article.prose){max-width:var(--wide);grid-template-columns:240px minmax(0,1fr);align-items:start;column-gap:52px;margin:0 auto;padding:0 24px;display:grid}[data-theme=vchannuoi] main:has(>article.prose)>.wrap:first-of-type{display:contents}[data-theme=vchannuoi] main:has(>article.prose)>*{grid-column:2;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vchannuoi] main:has(>article.prose)>.wrap:first-of-type>*{grid-column:2;min-width:0;max-width:none;margin-left:0;margin-right:0;padding-left:0;padding-right:0}[data-theme=vchannuoi] main:has(>article.prose)>.wrap:first-of-type>.crumbs{grid-column:1/-1;margin-top:22px}[data-theme=vchannuoi] main:has(>article.prose)>.wrap:first-of-type>nav.toc{grid-area:2/1/span 4;align-self:start;max-height:calc(100vh - 48px);margin:0;position:sticky;top:24px;overflow:auto}[data-theme=vchannuoi] main:has(>article.prose)>article.prose{max-width:780px}[data-theme=vchannuoi] main:has(>article.prose)>.wrap:last-of-type{max-width:780px}}[data-theme=vchannuoi] .cn-dau{text-align:center;padding:28px 0 8px}[data-theme=vchannuoi] .cn-kicker{color:var(--green);letter-spacing:.18em;text-transform:uppercase;align-items:center;gap:14px;margin:0 0 10px;font-size:.78rem;font-weight:700;display:flex}[data-theme=vchannuoi] .cn-kicker:before,[data-theme=vchannuoi] .cn-kicker:after{content:"";border-top:1px solid var(--border);flex:1}[data-theme=vchannuoi] .cn-dau h1{color:var(--rule-ink);max-width:22ch;margin:0 auto 12px;font-size:clamp(2rem,1.2rem + 3vw,3.3rem);font-weight:800;line-height:1.06}[data-theme=vchannuoi] .cn-sub{color:var(--muted);max-width:60ch;font-family:var(--font-head);margin:0 auto 18px;font-size:1.08rem;font-style:italic}[data-theme=vchannuoi] .cn-muc{border-top:2px solid var(--rule-ink);border-bottom:1px solid var(--rule-ink);flex-wrap:wrap;justify-content:center;padding:8px 0;display:flex}[data-theme=vchannuoi] .cn-muc a{color:var(--rule-ink);padding:4px 16px;font-size:.98rem;font-weight:700;text-decoration:none}[data-theme=vchannuoi] .cn-muc a:hover{color:var(--accent);text-decoration:underline}[data-theme=vchannuoi] .cn-la{color:var(--accent);font-family:var(--font-head);font-style:italic}[data-theme=vchannuoi] .cn-chinh{border-bottom:4px double var(--rule-ink);grid-template-columns:minmax(0,1fr);gap:18px 32px;margin-bottom:20px;padding:22px 0 26px;display:grid}@media (min-width:860px){[data-theme=vchannuoi] .cn-chinh{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center}}[data-theme=vchannuoi] .cn-chinh-anh{display:block}[data-theme=vchannuoi] .cn-chinh-anh img,[data-theme=vchannuoi] .cn-trong.lon{aspect-ratio:3/2;object-fit:cover;border:1px solid var(--border);background:var(--surface);filter:sepia(.08);width:100%;padding:6px;display:block}[data-theme=vchannuoi] .cn-nhan{color:var(--green);letter-spacing:.16em;text-transform:uppercase;margin:0 0 6px;font-size:.76rem;font-weight:700}[data-theme=vchannuoi] .cn-chinh h2{margin:0 0 10px;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.2rem);line-height:1.12}[data-theme=vchannuoi] .cn-chinh h2 a{color:var(--rule-ink);text-decoration:none}[data-theme=vchannuoi] .cn-chinh h2 a:hover{color:var(--accent)}[data-theme=vchannuoi] .cn-chinh-chu p{color:var(--muted);margin-bottom:12px}[data-theme=vchannuoi] .cn-doc{letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid;font-size:.92rem;font-weight:700;text-decoration:none}[data-theme=vchannuoi] .cn-khoi{margin:30px 0}[data-theme=vchannuoi] .cn-khoi-h{color:var(--rule-ink);align-items:center;gap:14px;margin:0 0 4px;font-size:1.5rem;display:flex}[data-theme=vchannuoi] .cn-khoi-h:after{content:"";border-top:1px solid var(--rule-ink);border-bottom:1px solid var(--rule-ink);flex:1;height:5px}[data-theme=vchannuoi] .cn-cot{columns:1;border-top:2px solid var(--rule-ink);margin:0;padding:0;list-style:none}@media (min-width:820px){[data-theme=vchannuoi] .cn-cot{columns:2;column-rule:1px solid var(--border);column-gap:40px}}[data-theme=vchannuoi] .cn-dong{break-inside:avoid;border-bottom:1px solid var(--border)}[data-theme=vchannuoi] .cn-dong a{color:var(--ink);align-items:flex-start;gap:14px;padding:14px 0;text-decoration:none;display:flex}[data-theme=vchannuoi] .cn-dong img,[data-theme=vchannuoi] .cn-trong{object-fit:cover;border:1px solid var(--border);background:var(--surface-2);filter:sepia(.1);flex:none;width:72px;height:72px}[data-theme=vchannuoi] .cn-trong{color:#a8936c;place-items:center;display:grid}[data-theme=vchannuoi] .cn-trong.lon svg{width:72px;height:72px}[data-theme=vchannuoi] .cn-dong-chu{min-width:0}[data-theme=vchannuoi] .cn-dong strong{font-family:var(--font-head);color:var(--rule-ink);font-size:1.12rem;font-weight:700;line-height:1.22;display:block}[data-theme=vchannuoi] .cn-dong a:hover strong{color:var(--accent);text-decoration:underline}[data-theme=vchannuoi] .cn-trich{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-top:4px;font-size:.9rem;line-height:1.45;display:-webkit-box;overflow:hidden}[data-theme=vchannuoi] .cn-het{text-align:right;margin:10px 0 0}[data-theme=vchannuoi] .cn-het a{font-family:var(--font-head);font-style:italic;font-weight:700;text-decoration:none}[data-theme=vchannuoi] .cn-het a:after{content:" →"}[data-theme=vchannuoi] .cn-rong{text-align:center;padding:24px 0}
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.brand{color:var(--ck-than);font-family:var(--font-head);flex-wrap:wrap;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;display:flex}[data-theme=vcho] .brand:before{content:"";background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l8 3v6c0 5-3.5 8-8 9-4.5-1-8-4-8-9V6z'/%3E%3Cpath d='M12 9v6 M9 12h6' stroke-width='2.4'/%3E%3C/svg%3E") center / 22px no-repeat;border-radius:10px;flex:none;width:36px;height:36px}[data-theme=vcho] .brand-tag{color:var(--muted);font-family:var(--font-body);font-size:.8rem;font-weight:400}[data-theme=vcho] .nav{gap:4px}[data-theme=vcho] .nav a,[data-theme=vcho] .nav-them>summary{color:var(--ck-than);font-family:var(--font-head);text-transform:none;border:none;border-radius:8px;padding:7px 12px;font-size:.88rem;font-weight:500}[data-theme=vcho] .nav 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strong{font-family:var(--font-head);color:var(--ck-than);font-size:1rem;font-weight:600;line-height:1.35}[data-theme=vcho] .ck-moi-tt{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.88rem;line-height:1.45;display:-webkit-box;overflow:hidden}[data-theme=vcho] .ck-rong{color:var(--muted);padding:24px 0}@media (max-width:640px){[data-theme=vcho] .wrap,[data-theme=vcho] .wrap-wide{padding-left:16px;padding-right:16px}[data-theme=vcho] .site-head:before{padding:4px 16px;font-size:.68rem}[data-theme=vcho] .site-head .row{flex-wrap:wrap;gap:6px;padding:8px 16px}[data-theme=vcho] .brand{font-size:1.25rem}[data-theme=vcho] .brand:before{background-size:18px;width:30px;height:30px}[data-theme=vcho] .nav{gap:0;width:calc(100% + 8px);margin-left:-8px}[data-theme=vcho] .nav a{padding:5px 8px;font-size:.84rem}[data-theme=vcho] .grid-2{grid-template-columns:1fr}[data-theme=vcho] .ck-dau{padding:24px 0}[data-theme=vcho] .ck-cm{grid-template-columns:1fr 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