:root{
  --ink:#0A1A2F; --ink-2:#16304d; --body:#3D4E63; --muted:#6B7C93;
  --line:#E3E9F0; --line-2:#EEF2F7;
  --bg:#FFFFFF; --bg-soft:#F5F8FB; --bg-deep:#08182B;
  --accent:#E2622C; --accent-ink:#B84714; --accent-soft:#FDF1EA;
  --teal:#0E7C6B; --teal-soft:#E7F5F2;
  --radius:16px; --radius-s:10px; --radius-l:26px;
  --shadow-s:0 1px 2px rgba(10,26,47,.05),0 1px 3px rgba(10,26,47,.06);
  --shadow-m:0 4px 12px rgba(10,26,47,.06),0 12px 28px rgba(10,26,47,.07);
  --shadow-l:0 18px 50px rgba(10,26,47,.13);
  --max:1180px;
  --f-sans:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans','Noto Sans SC','Noto Sans KR','PingFang SC','Microsoft YaHei','Malgun Gothic',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-sans);color:var(--body);background:var(--bg);
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.2;letter-spacing:-.021em;margin:0}
h1{font-size:clamp(2.05rem,1.15rem + 3.1vw,3.5rem);letter-spacing:-.032em}
h2{font-size:clamp(1.5rem,1.1rem + 1.5vw,2.15rem);letter-spacing:-.026em}
h3{font-size:1.18rem}
p{margin:0 0 1.15em}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:22px}
.wrap-n{max-width:820px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow-m)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line-2)}
.hdr-in{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);
  font-size:1.22rem;letter-spacing:-.03em;text-decoration:none;flex:none}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;flex:none}
.nav{display:flex;align-items:center;gap:2px;margin-inline-start:auto}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:9px 13px;border-radius:9px;
  color:var(--ink-2);font-size:.945rem;font-weight:700;background:none;border:0;cursor:pointer;
  font-family:inherit;white-space:nowrap}
.nav-link:hover{background:var(--bg-soft);color:var(--ink);text-decoration:none}
.nav-link.on{color:var(--accent-ink);background:var(--accent-soft)}
.caret{width:11px;height:11px;opacity:.55;transition:transform .18s}
.nav-item:hover .caret,.nav-item:focus-within .caret{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 8px);inset-inline-start:0;min-width:305px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-l);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.16s}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:10px 12px;border-radius:9px;color:var(--ink-2);font-size:.925rem;
  font-weight:700;line-height:1.4}
.drop a:hover{background:var(--bg-soft);text-decoration:none;color:var(--accent-ink)}
.drop a small{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:2px}
.hdr-tools{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
  background:#fff;border-radius:10px;cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{background:var(--bg-soft);border-color:var(--line)}
.icon-btn svg{width:17px;height:17px}
.lang{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 11px;border:1px solid var(--line);
  background:#fff;border-radius:10px;cursor:pointer;font-family:inherit;font-size:.87rem;font-weight:700;color:var(--ink-2)}
.lang-btn:hover{background:var(--bg-soft)}
.lang-menu{position:absolute;top:calc(100% + 8px);inset-inline-end:0;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow-l);padding:6px;min-width:172px;display:none;z-index:70}
.lang.open .lang-menu{display:block}
.lang-menu button{display:flex;width:100%;align-items:center;gap:9px;padding:9px 11px;border:0;background:none;
  border-radius:8px;cursor:pointer;font-family:inherit;font-size:.9rem;font-weight:700;color:var(--ink-2);text-align:start}
.lang-menu button:hover{background:var(--bg-soft)}
.lang-menu button.on{color:var(--accent-ink);background:var(--accent-soft)}
.lang-code{font-size:.72rem;font-weight:700;color:var(--muted);letter-spacing:.06em}
.burger{display:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg-deep);color:#DCE7F2;isolation:isolate}
.hero::before{content:'';position:absolute;inset:0;z-index:-2;
  background:radial-gradient(900px 460px at 78% -10%,rgba(226,98,44,.30),transparent 62%),
             radial-gradient(760px 420px at 10% 104%,rgba(14,124,107,.34),transparent 60%)}
.hero::after{content:'';position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(75% 62% at 50% 34%,#000 25%,transparent 100%);
          mask-image:radial-gradient(75% 62% at 50% 34%,#000 25%,transparent 100%)}
.hero-in{padding:78px 0 84px;max-width:880px}
.hero.sm .hero-in{padding:56px 0 60px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.755rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:#FFB894;margin-bottom:20px}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--accent);border-radius:2px}
.hero h1{color:#fff;max-width:16ch}
.hero.sm h1{max-width:22ch}
.hero-sub{margin:22px 0 0;font-size:1.115rem;line-height:1.65;color:#B7C7D8;max-width:62ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:11px;font-weight:700;
  font-size:.95rem;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.16s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(226,98,44,.32)}
.btn-primary:hover{background:#D2551F;color:#fff}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#08243f;color:#fff}
.stats{display:flex;flex-wrap:wrap;gap:14px 46px;margin-top:48px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.stat b{display:block;font-size:2rem;color:#fff;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:.85rem;color:#94A9BE}

/* ---------- sections ---------- */
main{display:block}
.sec{padding:74px 0}
.sec.tight{padding:52px 0}
.sec.soft{background:var(--bg-soft)}
.sec-head{max-width:70ch;margin-bottom:42px}
.sec-head .eyebrow{color:var(--accent-ink)}
.lead{font-size:1.115rem;color:var(--ink-2);line-height:1.68}
.sec-head .lead{margin-top:16px;color:var(--body)}

/* cards */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{display:flex;flex-direction:column;gap:12px;padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-s);transition:.18s;text-decoration:none;position:relative}
a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#D6DFEA}
.card h3{font-size:1.09rem}
.card p{margin:0;font-size:.95rem;color:var(--body);line-height:1.62}
.card-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink)}
.card-ico svg{width:22px;height:22px}
.card-ico.t{background:var(--teal-soft);color:var(--teal)}
.card-more{margin-top:auto;padding-top:10px;font-size:.87rem;font-weight:700;color:var(--accent-ink);
  display:inline-flex;align-items:center;gap:7px}

/* post list */
.posts{display:grid;gap:16px}
.post{display:grid;grid-template-columns:76px 1fr;gap:22px;padding:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);transition:.18s;text-decoration:none}
.post:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:#D6DFEA}
.post-n{font-size:1.6rem;font-weight:700;color:#C9D5E2;letter-spacing:-.04em;line-height:1}
.post h3{font-size:1.19rem;margin-bottom:8px;line-height:1.32}
.post p{margin:0;font-size:.95rem;color:var(--body)}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:12px;font-size:.8rem;color:var(--muted);align-items:center}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:var(--teal-soft);
  color:var(--teal);font-size:.755rem;font-weight:700;letter-spacing:.02em}
.tag.a{background:var(--accent-soft);color:var(--accent-ink)}

/* steps */
.steps{display:grid;gap:2px;background:var(--line-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.step{display:grid;grid-template-columns:52px 1fr;gap:20px;padding:26px;background:#fff}
.step-n{width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:.92rem}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step p{margin:0;font-size:.95rem}

/* lists */
.ul{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.ul li{display:grid;grid-template-columns:24px 1fr;gap:13px;font-size:1rem;line-height:1.62}
.ul li::before{content:'';width:22px;height:22px;border-radius:50%;margin-top:2px;background:var(--teal-soft) no-repeat center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230E7C6B'%3E%3Cpath d='M8.1 13.6 4.9 10.4l1.2-1.2 2 2 5-5 1.2 1.2z'/%3E%3C/svg%3E")}
.ul.cross li::before{background-color:#FDECEC;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23C0392B'%3E%3Cpath d='m10 8.8 2.8-2.8 1.2 1.2-2.8 2.8 2.8 2.8-1.2 1.2-2.8-2.8-2.8 2.8-1.2-1.2 2.8-2.8-2.8-2.8 1.2-1.2z'/%3E%3C/svg%3E")}
.ol{counter-reset:n;list-style:none;padding:0;margin:0;display:grid;gap:13px}
.ol li{counter-increment:n;display:grid;grid-template-columns:28px 1fr;gap:13px;font-size:1rem;line-height:1.62}
.ol li::before{content:counter(n);width:26px;height:26px;border-radius:8px;background:var(--bg-soft);color:var(--ink);
  display:grid;place-items:center;font-size:.8rem;font-weight:700;margin-top:1px;border:1px solid var(--line)}

/* callout */
.callout{display:grid;grid-template-columns:24px minmax(0,1fr);gap:16px;padding:22px 24px;border-radius:var(--radius);
  background:var(--teal-soft);border:1px solid #C8E6DF;margin:30px 0}
.callout.warn{background:#FEF6EC;border-color:#F5DFC0}
.callout svg{width:22px;height:22px;color:var(--teal);margin-top:2px}
.callout.warn svg{color:#B57314}
.callout b{display:block;color:var(--ink);margin-bottom:5px;font-size:1rem}
.callout p{margin:0;font-size:.96rem;line-height:1.62}

/* table */
.tw{width:100%;max-width:100%;min-width:0;overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.94rem}
th{text-align:start;padding:15px 18px;background:var(--bg-soft);color:var(--ink);font-weight:700;
  font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--line)}
td{padding:15px 18px;border-bottom:1px solid var(--line-2);vertical-align:top;line-height:1.55}
tr:last-child td{border-bottom:0}

/* faq */
.faq{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);overflow:hidden}
details[open]{border-color:#D6DFEA;box-shadow:var(--shadow-m)}
summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-weight:700;color:var(--ink);
  position:relative;font-size:1.02rem;line-height:1.45}
summary::-webkit-details-marker{display:none}
summary::after{content:'';position:absolute;inset-inline-end:22px;top:24px;width:13px;height:13px;
  border-inline-end:2px solid var(--muted);border-block-end:2px solid var(--muted);transform:rotate(45deg);transition:.2s}
details[open] summary::after{transform:rotate(-135deg);top:27px}
.faq-a{padding:0 24px 22px;font-size:.98rem;line-height:1.7}

/* article */
.art{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start;padding:56px 0 74px}
.art>*{min-width:0}
.toc{position:sticky;top:94px;padding:22px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius)}
.toc b{display:block;font-size:.73rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px}
.toc a{display:block;padding:7px 0;font-size:.9rem;color:var(--ink-2);line-height:1.45;font-weight:700;
  border-inline-start:2px solid var(--line);padding-inline-start:14px;margin-inline-start:-1px}
.toc a:hover{color:var(--accent-ink);border-color:var(--accent);text-decoration:none}
.prose h2{margin:46px 0 18px;scroll-margin-top:92px}
.prose h2:first-child{margin-top:0}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.845rem;color:var(--muted);padding:20px 0 0}
.crumb a{color:var(--muted);font-weight:700}
.crumb a:hover{color:var(--accent-ink)}
.crumb span{opacity:.5}
.artmeta{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:22px;font-size:.86rem;color:var(--muted)}
.disc{margin-top:44px;padding:20px 24px;border-radius:var(--radius);background:var(--bg-soft);
  border:1px solid var(--line);font-size:.9rem;color:var(--muted);line-height:1.62}

/* profile */
.profile{display:grid;grid-template-columns:212px 1fr;gap:38px;align-items:start;
  padding:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-m)}
.avatar{aspect-ratio:1;border-radius:22px;overflow:hidden;background:var(--bg-deep)}
.profile h3{font-size:1.35rem}
.profile .role{color:var(--accent-ink);font-weight:700;font-size:.95rem;margin:4px 0 20px}
.pnote{margin-top:22px;padding:16px 20px;border-radius:12px;background:var(--accent-soft);
  border:1px solid #F6D9C8;font-size:.9rem;line-height:1.6;color:var(--ink-2)}

/* split */
.split{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}
.split .it{padding-top:22px;border-top:3px solid var(--ink)}
.split h3{margin-bottom:9px}
.split p{margin:0;font-size:.96rem}

/* cta band */
.band{background:var(--bg-deep);color:#C4D3E2;border-radius:var(--radius-l);padding:52px;
  display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center;position:relative;overflow:hidden}
.band::before{content:'';position:absolute;inset:0;
  background:radial-gradient(620px 300px at 88% 0%,rgba(226,98,44,.30),transparent 60%)}
.band>*{position:relative}
.band h2{color:#fff;margin-bottom:12px}
.band p{margin:0;max-width:62ch;font-size:1rem;line-height:1.66}

/* contact */
.contact{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start;padding:56px 0 74px}
.form{padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-m)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.845rem;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.96rem;color:var(--ink);background:#fff}
.field textarea{min-height:148px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.check{display:grid;grid-template-columns:20px 1fr;gap:11px;font-size:.88rem;line-height:1.55;margin-bottom:20px}
.check input{width:18px;height:18px;margin-top:2px}
.fnote{font-size:.83rem;color:var(--muted);margin-top:14px;line-height:1.55}
.aside-card{padding:26px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}
.aside-card b{display:block;color:var(--ink);font-size:1rem;margin-bottom:16px}
.aside-item{padding:14px 0;border-top:1px solid var(--line)}
.aside-item:first-of-type{border-top:0;padding-top:0}
.aside-item strong{display:block;color:var(--ink);font-size:.94rem;margin-bottom:4px}
.aside-item p{margin:0;font-size:.9rem;line-height:1.58}
.kv{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:.9rem}
.kv b{margin:0;font-size:.9rem;color:var(--muted);font-weight:700}

/* filter */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.chip{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;
  font-family:inherit;font-size:.885rem;font-weight:700;color:var(--ink-2)}
.chip:hover{border-color:#C9D5E2;background:var(--bg-soft)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* search */
.sheet{position:fixed;inset:0;z-index:90;display:none;padding:80px 20px}
.sheet.open{display:block}
.sheet-bg{position:absolute;inset:0;background:rgba(8,24,43,.55);backdrop-filter:blur(3px)}
.sheet-box{position:relative;max-width:640px;margin:0 auto;background:#fff;border-radius:20px;
  box-shadow:var(--shadow-l);overflow:hidden}
.sheet-box input{width:100%;border:0;border-bottom:1px solid var(--line);padding:22px 24px;font-size:1.06rem;
  font-family:inherit;color:var(--ink)}
.sheet-box input:focus{outline:none}
.hits{max-height:52vh;overflow:auto;padding:8px}
.hit{display:block;padding:13px 16px;border-radius:11px;color:var(--ink);text-decoration:none}
.hit:hover{background:var(--bg-soft);text-decoration:none}
.hit b{display:block;font-size:.98rem;margin-bottom:3px}
.hit span{font-size:.84rem;color:var(--muted);display:block;line-height:1.5}
.hits-empty{padding:26px;text-align:center;color:var(--muted);font-size:.94rem}

/* footer */
.ftr{background:var(--bg-deep);color:#93A8BD;padding:64px 0 30px;margin-top:0}
.ftr-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:44px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.11)}
.ftr .brand{color:#fff;margin-bottom:16px}
.ftr p{font-size:.92rem;line-height:1.65;margin:0;max-width:38ch}
.ftr b{display:block;color:#fff;font-size:.755rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:16px}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.ftr a{color:#93A8BD;font-size:.92rem}
.ftr a:hover{color:#fff;text-decoration:none}
.ftr-bot{display:flex;flex-wrap:wrap;gap:14px 30px;justify-content:space-between;padding-top:26px;font-size:.845rem}
.ftr-note{max-width:66ch;color:#7C93AA}
.totop{position:fixed;inset-inline-end:22px;bottom:22px;width:44px;height:44px;border-radius:12px;background:var(--ink);
  color:#fff;display:grid;place-items:center;border:0;cursor:pointer;box-shadow:var(--shadow-m);opacity:0;
  visibility:hidden;transition:.2s;z-index:50}
.totop.on{opacity:1;visibility:visible}
.totop svg{width:17px;height:17px}

/* responsive */
@media(max-width:1024px){
  .art{grid-template-columns:minmax(0,1fr);gap:34px}
  .toc{position:static;order:-1}
  .contact{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:860px){
  body{font-size:16px}
  .burger{display:grid}
  .nav{position:fixed;inset:70px 0 auto;background:#fff;flex-direction:column;align-items:stretch;
    gap:4px;padding:16px 18px 26px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-l);
    display:none;max-height:calc(100vh - 70px);overflow:auto}
  .nav.open{display:flex}
  .nav-link{width:100%;justify-content:space-between;padding:13px 14px;font-size:1rem}
  .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    padding:2px 0 8px 14px;min-width:0;display:none}
  .nav-item.open .drop{display:block}
  .grid-3,.grid-2,.split{grid-template-columns:1fr}
  .band{grid-template-columns:1fr;padding:36px 28px}
  .profile{grid-template-columns:1fr;gap:26px}
  .avatar{max-width:190px}
  .post{grid-template-columns:1fr;gap:12px}
  .post-n{font-size:1.15rem}
  .sec{padding:56px 0}
  .hero-in{padding:56px 0 62px}
  .stats{gap:14px 30px;margin-top:36px}
  .stat b{font-size:1.6rem}
}
@media(max-width:560px){
  .grid-4{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px}
  .form{padding:24px 20px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* readable column with full-bleed exceptions */
.pagebody{display:grid;grid-template-columns:1fr min(860px,100%) 1fr}
.pagebody>*{grid-column:2}
.pagebody>.grid,.pagebody>.tw,.pagebody>.posts,.pagebody>.band,.pagebody>.split,.pagebody>.chips,.pagebody>.profile{grid-column:1/-1}
.prose{max-width:74ch}
.artmeta .dot{width:4px;height:4px;border-radius:50%;background:#C9D5E2;display:inline-block}
@media(max-width:860px){.pagebody{grid-template-columns:1fr}.pagebody>*{grid-column:1}}

/* ---------- neutralise host theme wrappers (Kadence uses .wrap on <main>) ---------- */
main.wrap{max-width:none!important;width:100%!important;padding-left:0!important;padding-right:0!important}
.content-area,.content-container,.site-container,.content-wrap,.site-main,
.entry.single-entry,.entry-content-wrap,.entry-content,.single-content{
  max-width:none!important;width:100%!important;padding:0!important;margin:0!important;
  border:0!important;box-shadow:none!important;background:transparent!important}
.entry-content>.hero{max-width:none!important;width:100%!important}

/* ---------- interactive tools ---------- */
.tool{margin:26px 0 34px;padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-m)}
.tool-head{margin-bottom:18px}
.tool-head b{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:4px}
.tool-head span{font-size:.88rem;color:var(--muted);line-height:1.55}
.tool-tw{margin:0 0 14px}
.tool-tb{min-width:520px}
.tool-tb th{padding:11px 12px;font-size:.68rem}
.tool-tb td{padding:7px 8px;border-bottom:1px solid var(--line-2)}
.tool-tb input{width:100%;min-width:74px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:.94rem;color:var(--ink);background:#fff}
.tool-tb input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.rowdel{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;font-size:1rem;line-height:1}
.rowdel:hover{background:#FDECEC;color:#C0392B;border-color:#F3C9C4}
.tool-acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}
.tool-acts .btn{padding:10px 16px;font-size:.88rem}
.tool-div{max-width:520px;margin-bottom:6px}
.tool-res{margin-top:18px;padding:20px 22px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius)}
.tool-res>b{display:block;font-size:.73rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px}
.tool-out .kv:first-child{border-top:0;padding-top:0}
.tool .kv{align-items:baseline}
.tool .kv b{font-size:.9rem;color:var(--body);font-weight:700}
.tool .kv span{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink)}
.tool .kv.hi{margin-top:6px;border-top:2px solid var(--ink)}
.tool .kv.hi b{color:var(--ink);font-weight:700}
.tool .kv.hi span{color:var(--accent-ink);font-size:1.08rem}
.inco-group{margin-bottom:16px}
.inco-lab{display:block;font-size:.76rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);margin-bottom:9px}
.inco-group .chips{margin-bottom:0}
.inco-group .chip{min-width:62px;justify-content:center;text-align:center;font-variant-numeric:tabular-nums}
.inco-title{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.inco-title b{font-size:1.12rem;color:var(--ink)}
#inco-out .fnote{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.artmeta .tag{margin-inline-end:2px}
@media(max-width:560px){.tool{padding:20px 16px}.tool-res{padding:16px}}
/* Kadence single-post template uses a CSS grid on <article>; force a plain block flow */
article.entry,.entry.single-entry,.content-wrap>article,.site-main>article{
  display:block!important;grid-template-columns:none!important;grid-template-areas:none!important}
.entry-content-wrap,.entry-content,.single-content{grid-column:1/-1!important;width:100%!important;min-width:0!important}

.hero .ol{margin:20px 0 4px;max-width:62ch}
.hero .ol li{color:#B7C7D8;font-size:1.02rem;line-height:1.6}
.hero .ol li::before{background:rgba(255,255,255,.10);color:#EAF2FA;border-color:rgba(255,255,255,.22)}
.hero .hero-ol+.hero-sub{margin-top:16px}

.authorbox{margin:44px 0 8px;padding:22px 24px;border:1px solid var(--line);border-radius:14px;background:var(--bg-soft);max-width:760px}
.authorbox p{margin:0 0 11px;font-size:.96rem;line-height:1.62}
.authorbox p:last-child{margin-bottom:0}
.authorbox strong{font-weight:700}

.band p + p{margin-top:12px}

/* Contact Form 7 tren trang Lien he, them 06/09/2026 */
.form .wpcf7-form p{margin:0}
.form .wpcf7-form .fnote{margin:-4px 0 18px}
.field.consent{margin-bottom:22px}
.field.consent .wpcf7-list-item{margin:0}
.field.consent label{display:flex;align-items:flex-start;gap:10px;margin-bottom:0;font-size:.86rem;font-weight:400;line-height:1.55;color:var(--muted);cursor:pointer}
.field.consent input[type=checkbox]{width:auto;flex:0 0 auto;margin:3px 0 0;padding:0}
.form .wpcf7-submit{background:var(--accent);color:#fff;border:0;cursor:pointer;padding:13px 22px;border-radius:11px;font-weight:700;font-size:.95rem;box-shadow:0 8px 22px rgba(226,98,44,.32)}
.form .wpcf7-submit:hover{background:#D2551F}
.form .wpcf7-spinner{margin-left:10px}
.form .wpcf7-response-output{margin:16px 0 0;border-radius:10px;font-size:.9rem;line-height:1.5}
.form .wpcf7-not-valid-tip{font-size:.82rem;margin-top:5px}
.aside-note p{margin:0 0 12px;font-size:.9rem;line-height:1.62;color:var(--muted)}
.aside-note p:last-child{margin-bottom:0}

/* O tim kiem tren thanh dieu huong, mo rong 06/09/2026 */
#qlg-searchbtn{width:auto;min-width:212px;height:38px;display:inline-flex;align-items:center;justify-content:flex-start;gap:9px;padding:0 13px;color:var(--muted);font-size:.87rem;font-family:inherit;text-align:start}
#qlg-searchbtn::after{content:"Tìm trong website";white-space:nowrap;font-weight:500}
html:lang(en) #qlg-searchbtn::after{content:"Search this site"}
html:lang(zh) #qlg-searchbtn::after{content:"站内搜索"}
html:lang(ko) #qlg-searchbtn::after{content:"사이트 내 검색"}
#qlg-searchbtn:hover{color:var(--ink)}
@media(max-width:1024px){#qlg-searchbtn{min-width:0;width:38px;justify-content:center;padding:0}#qlg-searchbtn::after{content:"";display:none}}

/* === Trang tru C/O: nut sao chep, thong bao, danh sach quoc gia === */
.chan-lienhe{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.cp{background:none;border:0;padding:0;margin:0;font:inherit;color:#1668c7;cursor:pointer;border-bottom:1px dashed currentColor;line-height:1.4}
.cp:hover,.cp:focus,.cp:active,.cp:focus-visible{background:none!important;box-shadow:none!important;color:#0f4f99!important;border:0;border-bottom:1px dashed currentColor!important;outline:none}
.cty:hover,.cty:focus,.cty:active,.cty:focus-visible{background:none!important;box-shadow:none!important;border:0;border-bottom:1px dotted #1668c7!important;color:#1668c7!important}
.cty-x:focus,.cty-x:active{background:#1d2939!important;color:#fff!important}
.qlg-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(14px);background:#101828;color:#fff;padding:11px 18px;border-radius:10px;font-size:15px;z-index:99999;opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;box-shadow:0 10px 30px rgba(16,24,40,.28);max-width:88vw;text-align:center}
.qlg-toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.cty{background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;text-align:left;cursor:pointer;border-bottom:1px dotted #98a2b3}
.cty:hover{border-bottom-color:#1668c7;color:#1668c7}
.cty:focus-visible{outline:2px solid #1668c7;outline-offset:2px}
.cty-tip{position:fixed;max-width:340px;background:#101828;color:#fff;padding:10px 13px;border-radius:9px;font-size:14px;line-height:1.55;z-index:99998;pointer-events:none;opacity:0;transition:opacity .12s ease;box-shadow:0 10px 30px rgba(16,24,40,.3)}
.cty-tip.on{opacity:1}
.cty-bd{position:fixed;inset:0;background:rgba(16,24,40,.55);z-index:99999;display:none;align-items:center;justify-content:center;padding:20px}
.cty-bd.on{display:flex}
.cty-box{background:#fff;border-radius:14px;max-width:580px;width:100%;max-height:82vh;overflow:auto;padding:24px 26px;box-shadow:0 24px 60px rgba(16,24,40,.35)}
.cty-box h4{margin:0 0 6px;font-size:21px;line-height:1.3}
.cty-box .cty-sub{margin:0 0 16px;font-size:14px;color:#667085;line-height:1.5}
.cty-box .cty-list{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:7px 16px}
.cty-box .cty-list li{font-size:15px;line-height:1.45;padding-left:14px;position:relative}
.cty-box .cty-list li::before{content:"";position:absolute;left:0;top:.55em;width:5px;height:5px;border-radius:50%;background:#1668c7}
.cty-box .cty-note{margin:16px 0 0;font-size:14px;color:#475467;line-height:1.55}
.cty-x{margin-top:20px;background:#101828;color:#fff;border:0;border-radius:9px;padding:10px 18px;font:inherit;cursor:pointer}
.cty-x:hover{background:#1d2939}
@media(max-width:640px){.cty-tip{display:none}.cty-box{padding:20px}.cty-box .cty-list{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}}

.sec-head{scroll-margin-top:92px}
.prose [id]{scroll-margin-top:92px}

/* mo ta danh muc dai, dot 10/09/2026 */
.archive-description .catdesc{margin:26px auto 0;text-align:left}
.archive-description .catdesc h2{text-align:left}
.archive-description .catdesc .tw{text-align:left}


/* hien tieu de va mo ta tren trang luu tru danh muc, dot 10/09/2026 */
body.archive .entry-hero-container-inner,
body.archive .entry-header.post-archive-title{display:block!important}
body.archive .entry-header.post-archive-title{max-width:1180px;margin:0 auto;padding:34px 20px 8px;box-sizing:border-box}
body.archive .entry-header.post-archive-title .page-title{text-align:left;margin:0 0 6px;font-size:32px;line-height:1.3}
body.archive .archive-description{text-align:left}
body.archive .archive-description .catdesc{margin:22px 0 0;max-width:74ch}
body.archive section.error{display:none}
@media (max-width:600px){body.archive .entry-header.post-archive-title .page-title{font-size:26px}}

/* QLG: mobile origin submenu toggle; desktop link and hover preserved. */
.qlg-origin-toggle{display:none}
@media(max-width:860px){
 .qlg-origin-item>.nav-link{padding-inline-end:58px}
 .qlg-origin-item>.nav-link>.caret{display:none}
 .qlg-origin-toggle{display:flex;align-items:center;justify-content:center;position:absolute;inset-block-start:0;inset-inline-end:0;width:48px;min-height:52px;padding:14px;border:0;border-radius:9px;background:transparent;color:var(--ink-2);cursor:pointer}
 .qlg-origin-toggle:hover,.qlg-origin-toggle:focus-visible{background:var(--bg-soft)}
 .qlg-origin-item .qlg-origin-toggle>.caret{transform:none;color:var(--ink-2);stroke:currentColor}
 .qlg-origin-item.open .qlg-origin-toggle>.caret{transform:rotate(180deg)}
 .qlg-origin-item>.drop a{overflow-wrap:break-word}
}

/* QLG 2026-09-16: list markers must not create columns for inline text. */
.ul li,.ol li{display:block;position:relative;padding-inline-start:37px;min-width:0}
.ol li{padding-inline-start:41px}
.ul li::before,.ol li::before{position:absolute;inset-inline-start:0;inset-block-start:2px;margin-top:0}
.ul li>a,.ol li>a,.ul li>strong,.ol li>strong,.ul li>code,.ol li>code{display:inline}

/* 16/09/2026: author portrait and C/O system domains */
.avatar img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 20%;border-radius:inherit}
.qlg-domain{font-family:inherit;font-size:1em;letter-spacing:normal;white-space:nowrap}

/* QLG 2026-09-16: third-level audience menu. */
.drop-group{position:relative}
.drop-group-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  padding:10px 12px;border:0;border-radius:9px;background:none;color:var(--ink-2);font-family:inherit;
  font-size:.925rem;font-weight:700;line-height:1.4;text-align:start;cursor:pointer}
.drop-group-toggle:hover,.drop-group-toggle:focus-visible{background:var(--bg-soft);color:var(--accent-ink);outline:none}
.drop-group-toggle>.caret{flex:none;transform:rotate(-90deg)!important}
.subdrop{position:absolute;inset-block-start:-8px;inset-inline-start:100%;min-width:330px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-l);padding:8px;z-index:80;
  opacity:0;visibility:hidden;transform:translateX(-6px);transition:.16s}
.drop-group:hover>.subdrop,.drop-group:focus-within>.subdrop,.drop-group.open>.subdrop{
  opacity:1;visibility:visible;transform:none}
.subdrop a{display:block;padding:10px 12px;border-radius:9px;color:var(--ink-2);font-size:.925rem;
  font-weight:700;line-height:1.4}
.subdrop a:hover,.subdrop a:focus-visible{background:var(--bg-soft);text-decoration:none;color:var(--accent-ink);outline:none}
.subdrop a small{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:2px}
@media(max-width:860px){
  .drop-group-toggle{padding:11px 12px}
  .drop-group-toggle>.caret{transform:none!important}
  .drop-group.open>.drop-group-toggle>.caret{transform:rotate(180deg)!important}
  .subdrop{position:static;display:none;min-width:0;padding:2px 0 5px 14px;border:0;border-radius:0;
    box-shadow:none;opacity:1;visibility:visible;transform:none}
  .drop-group.open>.subdrop{display:block}
}

/* QLG H18 document pair and in-page lightbox, 2026-09-20 */
.qlg-figure{margin:28px 0}
.qlg-figure__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qlg-doc{display:flex;flex-direction:column;gap:8px}
.qlg-doc__thumb img{display:block;width:100%;height:auto;border:1px solid #d5dce5;cursor:zoom-in}
.qlg-doc__cap{margin:0;font-size:.85em;line-height:1.45;color:#1d2b3a;font-weight:700}
.qlg-btn{display:block;text-align:center;padding:8px 12px;border-radius:6px;font-size:.88em;line-height:1.3;text-decoration:none;cursor:zoom-in}
.qlg-btn--full{background:#0b1d30;color:#fff}
.qlg-doc__tr{display:flex;flex-direction:column;gap:6px}
.qlg-btn--tr{border:1px solid #e8692a;color:#b84b14;background:#fff}
.qlg-figure figcaption{margin-top:12px;font-size:.88em;line-height:1.5;color:#5a6878}
.qlg-lb{padding:0;border:0;margin:0;width:100vw;height:100vh;max-width:100vw;max-height:100vh;background:rgba(10,15,20,.92)}
.qlg-lb::backdrop{background:rgba(10,15,20,.92)}
.qlg-lb__wrap{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:auto}
.qlg-lb__wrap img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;cursor:zoom-in;-webkit-touch-callout:default;user-select:auto}
.qlg-lb__wrap.is-zoom{display:block}
.qlg-lb__wrap.is-zoom img{max-width:none;max-height:none;margin:0 auto;cursor:zoom-out}
.qlg-lb__x{position:fixed;top:10px;right:12px;z-index:2;width:44px;height:44px;border:0;border-radius:50%;background:#fff;color:#0b1d30;font-size:28px;line-height:44px;cursor:pointer}
@media (max-width:767px){.qlg-figure__grid{grid-template-columns:1fr;gap:28px}}

/* 28/09/2026: translation buttons in one row, equal width, from 768px (H06b, H17, AANZ and later document figures) */
@media (min-width:768px){
  .qlg-doc__tr{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:6px;align-items:stretch}
  .qlg-doc__tr .qlg-btn--tr{display:flex;align-items:center;justify-content:center;padding:6px;font-size:.8em;line-height:1.25}
}

/* 28/09/2026: reminder bar on C/O category pages, button back to the C/O pillar page */
.qlg-pillar-note{max-width:74ch;display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 26px;padding:14px 18px;background:var(--accent-soft);border:1px solid #F4D2BF;border-radius:var(--radius-s)}
.qlg-pillar-note p{margin:0;font-size:.93em;line-height:1.55;color:var(--body)}
.qlg-pillar-note .qlg-pillar-note__btn{flex:0 0 auto;display:inline-block;padding:10px 18px;border-radius:8px;background:#B84714;color:#fff;font-weight:600;font-size:.95em;line-height:1.3;text-decoration:none;white-space:nowrap}
.qlg-pillar-note .qlg-pillar-note__btn:hover,.qlg-pillar-note .qlg-pillar-note__btn:focus{background:#9A3B10;color:#fff}
@media (max-width:767px){.qlg-pillar-note{flex-direction:column;align-items:stretch;gap:12px}.qlg-pillar-note .qlg-pillar-note__btn{text-align:center;white-space:normal}}

/* QLG 2026-10-05: khoang cach doan va danh sach trong bai don. Lop post do WordPress gan vao article lam quy tac .post p dua margin ve 0 */
article.prose>p{margin:0 0 1.15em}
article.prose>.ul,article.prose>.ol{margin:0 0 1.15em}

/* QLG 2026-10-08: an danh sach bai tu sinh cua Kadence tren trang danh muc co mo ta dai (the bai khong co khuon rieng, hien thanh mot khoi thua duoi mo ta) */
body.category:has(.catdesc .sec-head) .content-area{display:none!important}
body.category .archive-description .catdesc>.disc:last-child{margin-bottom:56px}
/* 261019: mui ten "Doc tiep" tren the (.card-more) chua co kich thuoc, SVG gian theo chieu rong the */
.card-more svg{width:16px;height:16px;flex:none}
/* 261019: nut Sao chep dong cua cong cu CBM, cung kieu nut xoa dong */
.rowcopy{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;display:inline-grid;place-items:center;vertical-align:middle;margin-right:6px;padding:0}
.rowcopy:hover{background:var(--accent-soft);color:var(--accent-ink)}
.rowdel{vertical-align:middle}
.tool-tb td:last-child{white-space:nowrap}