:root{--visual-cyan:#7ddcff;--visual-teal:#67e3c7;--visual-line:rgba(130,214,230,.2);--visual-panel:rgba(9,30,42,.88);--visual-panel2:rgba(13,41,53,.86);--visual-dim:#89a4af}
/* Visual information architecture layer for Mobile-ID Sign. */
.visual-trust-strip{height:28px;background:#041019;border-bottom:1px solid rgba(103,227,199,.14);font-size:11px}.visual-trust-strip>.wrap{height:28px}.visual-trust-strip a{min-height:28px;letter-spacing:.025em}.visual-trust-strip .wrap>div{gap:0;color:#78949f;font-size:11px;white-space:nowrap}.visual-trust-dot{width:6px;height:6px;border-radius:50%;background:var(--visual-teal);box-shadow:0 0 13px rgba(103,227,199,.55)}
.visual-header .menu-toggle{display:none}@media(max-width:1100px){.visual-header .menu-toggle{display:block}}.visual-header{background:rgba(5,18,27,.97);box-shadow:0 12px 36px rgba(0,0,0,.12)}.visual-nav-shell{height:80px;display:grid;grid-template-columns:minmax(160px,240px) minmax(0,1fr) minmax(150px,220px);grid-template-areas:"brand nav actions";align-items:center;gap:28px;position:relative;min-width:0}.visual-brand{grid-area:brand;font-size:16px;min-width:0;overflow:hidden}.visual-brand small{font-size:11px;letter-spacing:.12em}.visual-logo{display:block}.brand-lockup{height:34px;width:auto;max-width:100%;flex:0 0 auto}.visual-footer-brandmark .brand-lockup{height:34px}.brand-mark-only{display:none;width:34px;height:34px;flex:0 0 34px}.visual-brand>span,.visual-footer-brandmark>span{display:none}@media(max-width:760px){.brand-lockup{display:none}.brand-mark-only{display:block}.visual-brand>span,.visual-footer-brandmark>span{display:block}}
.visual-primary-nav{grid-area:nav;height:80px;flex:1 1 0%;width:100%;max-width:none;display:flex;align-items:stretch;justify-content:flex-start;gap:0;margin:0;min-width:0!important;overflow:visible;box-sizing:border-box;position:relative;z-index:1}.visual-navdrop{display:flex;align-items:center;position:static;min-width:0;flex:1 1 auto;width:auto;max-width:none}.visual-navdrop>summary{position:relative;display:flex;align-items:center;gap:6px;min-height:80px;width:100%;max-width:100%;min-width:0;padding:0 10px;font-size:14px!important;line-height:1.25;font-weight:640;color:#d9e6eb;white-space:nowrap;text-align:left;overflow:hidden;box-sizing:border-box}.visual-navdrop>summary .nav-label{flex:1 1 auto;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.visual-navdrop>summary .visual-chevron,.visual-navdrop>summary .v10-chevron{position:static;flex:0 0 auto;width:16px;height:16px;transform:none}.visual-navdrop[open]>summary .visual-chevron,.visual-navdrop[open]>summary .v10-chevron{transform:rotate(180deg)}
@media(max-width:1100px){
  .visual-navdrop>summary{display:flex!important;align-items:center;justify-content:space-between;gap:8px;min-height:54px!important;height:auto;line-height:1.35!important;padding:12px 13px!important;white-space:normal;overflow:visible;text-align:left}
  .visual-navdrop>summary .nav-label{overflow:visible;text-overflow:unset;white-space:normal;flex:1 1 auto}
  .visual-navdrop>summary .visual-chevron,.visual-navdrop>summary .v10-chevron{position:static!important;top:auto;right:auto;transform:none!important;margin-left:auto;display:inline-block!important}
  .visual-navdrop[open]>summary .visual-chevron,.visual-navdrop[open]>summary .v10-chevron{transform:rotate(180deg)!important}
  .visual-mega{left:auto!important;right:auto!important;top:auto!important;width:100%!important}
}.visual-navdrop.active>summary{color:#e9fffb}.visual-chevron{font-size:14px;color:#6f8e99;transition:transform .16s;flex:0 0 auto}.visual-navdrop[open] .visual-chevron{transform:rotate(180deg)}.visual-nav-actions{grid-area:actions;justify-self:end;gap:8px;min-width:0;flex-shrink:0;display:flex;align-items:center;position:relative;z-index:5;isolation:isolate}.visual-search{width:42px;height:44px;flex:0 0 auto}.visual-search .visual-ico{width:19px;height:19px}.visual-lang{font-size:14px;min-height:44px;padding:10px 8px}.visual-start{font-size:14px!important;min-height:46px!important;padding:11px 17px!important;flex:0 0 auto}.visual-start-mobile{display:none!important}
.visual-mega{left:0!important;right:0!important;top:100%!important;width:auto!important;min-width:0!important;transform:none!important;padding:24px 26px 26px;background:rgba(6,23,33,.99);border:1px solid rgba(125,220,255,.19);border-top:2px solid var(--visual-teal);border-radius:0 0 12px 12px;box-shadow:0 36px 100px rgba(0,0,0,.52);backdrop-filter:blur(20px)}.visual-mega-layout{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(250px,.78fr)!important;gap:20px!important}.visual-mega-group h3{font-size:11px;min-height:24px;margin:0 10px 9px;color:#83a9b4;font-weight:760;letter-spacing:.085em}.visual-mega-item{min-height:60px;padding:9px 10px;display:grid;grid-template-columns:26px minmax(0,1fr) 14px;gap:11px;align-items:center;border-radius:8px;border:1px solid transparent}.visual-mega-item:hover,.visual-mega-item:focus-visible{background:linear-gradient(90deg,rgba(103,227,199,.08),rgba(125,220,255,.035));border-color:rgba(103,227,199,.23);color:#eafffb}.visual-mega-item .visual-ico{width:23px;height:23px;color:var(--visual-teal)}.visual-mega-item b{font-size:14px;line-height:1.3;font-weight:650;color:#edf7f8}.visual-mega-item small{font-size:11px;line-height:1.42;color:#819da7;margin-top:3px}.visual-mega-item>i{font-style:normal;color:#57727d;font-size:14px}.visual-mega-preview{align-self:start;height:auto;min-height:280px;padding:21px;background:linear-gradient(160deg,rgba(18,57,68,.92),rgba(7,26,38,.94));border:1px solid rgba(125,220,255,.2);border-radius:11px;overflow:visible;box-sizing:border-box}.visual-preview-kicker{font-size:11px;margin-bottom:8px}.visual-mega-preview h3{font-size:16px;margin:0 0 8px}.visual-mega-preview p{font-size:13px;line-height:1.55;color:#9ab4bd}.visual-preview-stage{position:relative;margin-top:18px;padding:3px 0;display:grid;gap:0}.visual-preview-stage:before{content:"";position:absolute;left:8px;top:20px;bottom:20px;width:1px;transform:translateX(-50%);background:linear-gradient(var(--visual-teal),rgba(125,220,255,.14));pointer-events:none;z-index:0}.visual-mini-node{position:relative;display:grid;grid-template-columns:16px 1fr;gap:10px;align-items:center;min-height:34px;padding:8px 0}.visual-mini-node i{width:10px;height:10px;justify-self:center;border:2px solid var(--visual-teal);border-radius:50%;background:#0a2530;z-index:1;box-shadow:0 0 0 4px rgba(103,227,199,.045);box-sizing:border-box}.visual-mini-node:first-child i,.visual-mini-node i.active{background:var(--visual-teal)}.visual-mini-node b{font-size:11px;color:#dbeff0;font-weight:640}
/* Balance: short section descriptions should not create an empty 40% right column. */
.section-head.visual-head-compact,.structure-section-head.visual-head-compact,.assurance-section-head.visual-head-compact{grid-template-columns:minmax(0,1fr)!important;gap:10px!important;align-items:start!important;max-width:none;width:100%}.section-head>p,.visual-head-compact>p,.section-summary p{justify-self:start!important;max-width:none!important;width:100%!important;font-size:16px!important;line-height:1.7!important}
/* Hero control plane: the right side is a functional signing object, not decorative whitespace. */
.visual-home .hero-grid{grid-template-columns:minmax(0,.92fr) minmax(520px,1.08fr);gap:54px}.visual-control-plane{position:relative;border:1px solid rgba(125,220,255,.24);border-radius:13px;overflow:hidden;background:linear-gradient(155deg,rgba(14,45,57,.96),rgba(6,22,32,.98));box-shadow:0 28px 80px rgba(0,0,0,.38)}.visual-control-plane:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(125,220,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(125,220,255,.035) 1px,transparent 1px);background-size:28px 28px}.visual-control-head,.visual-control-foot{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border-bottom:1px solid rgba(125,220,255,.13);font:720 11px var(--mono);letter-spacing:.055em;color:#b9d4dc}.visual-control-head em{font-style:normal;display:flex;align-items:center;gap:7px;color:#9ae8d7}.visual-control-head em i{width:7px;height:7px;background:var(--visual-teal);border-radius:50%;box-shadow:0 0 12px rgba(103,227,199,.6)}.visual-control-body{position:relative;z-index:1;padding:17px 20px 16px;display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr;grid-auto-flow:row;align-items:center;gap:8px}.visual-control-node{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center;padding:12px;border:1px solid rgba(125,220,255,.16);border-radius:9px;background:rgba(7,27,38,.84);min-height:68px}.visual-control-node .visual-ico{width:26px;height:26px;color:var(--visual-teal)}.visual-control-node b{display:block;font-size:11px;letter-spacing:.08em;color:#dff7f3}.visual-control-node small{display:block;font-size:14px;line-height:1.45;color:#7f9ca6;margin-top:3px}.visual-control-line{height:2px;position:relative}.visual-control-line i{display:block;height:1px;background:linear-gradient(90deg,var(--visual-teal),rgba(125,220,255,.25));position:relative}.visual-control-line i:after{content:"";position:absolute;right:-1px;top:-3px;border-left:5px solid var(--visual-teal);border-top:3px solid transparent;border-bottom:3px solid transparent}.visual-control-body>.visual-control-node:nth-of-type(n+7){margin-top:8px}.visual-control-foot{border-top:1px solid rgba(125,220,255,.13);border-bottom:0;justify-content:flex-start;gap:18px;color:#688792;font-size:11px;flex-wrap:wrap}.visual-intent-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid rgba(125,220,255,.14);border-radius:10px;overflow:hidden;background:rgba(125,220,255,.1);margin-top:26px;margin-bottom:8px}.visual-intent-rail a{display:grid;grid-template-columns:26px 1fr 16px;gap:10px;align-items:center;min-height:62px;padding:10px 15px;background:#081b27}.visual-intent-rail a:hover{background:#0d2b37}.visual-intent-rail .visual-ico{width:22px;height:22px;color:var(--visual-teal)}.visual-intent-rail span{font-size:14px;font-weight:640}.visual-intent-rail b{color:#6f909b}
/* Functional metro language across existing flows. */
.visual-metro{position:relative;background:linear-gradient(180deg,rgba(8,29,41,.92),rgba(6,22,31,.8))!important;border:1px solid rgba(125,220,255,.18)!important;border-radius:10px!important;padding:18px!important;gap:0!important}.visual-metro .flow-node,.visual-metro .content-node,.visual-metro .assurance-flow-node{position:relative;border:0!important;background:transparent!important;border-radius:0!important;min-height:116px!important;align-items:center!important;text-align:center!important;padding:16px 10px!important}.visual-metro .flow-node>.ico,.visual-metro .content-node>.ico{width:38px!important;height:38px!important;padding:8px;border:1px solid rgba(103,227,199,.28);border-radius:9px;background:#0b2a35;color:var(--visual-teal);box-shadow:0 0 0 5px rgba(103,227,199,.035)}.visual-metro .flow-node strong,.visual-metro .content-node b{font-size:14px!important;margin:12px 0 4px!important}.visual-metro .flow-node span,.visual-metro .content-node small{font-size:14px!important;line-height:1.45!important;color:#7f9ca7!important}.visual-metro .flow-arrow,.visual-metro .content-arrow{position:relative;color:transparent!important;min-width:34px!important}.visual-metro .flow-arrow:before,.visual-metro .content-arrow:before{content:"";position:absolute;left:2px;right:2px;top:50%;height:1px;background:linear-gradient(90deg,var(--visual-teal),rgba(125,220,255,.3))}.visual-metro .flow-arrow:after,.visual-metro .content-arrow:after{content:"";position:absolute;right:2px;top:calc(50% - 3px);border-left:5px solid var(--visual-teal);border-top:3px solid transparent;border-bottom:3px solid transparent}
/* Product/related information now uses icon + hierarchy instead of anonymous cards. */
.structure-related-grid{gap:10px!important}
@media(min-width:981px){
  .structure-related-grid:has(>:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}
  .structure-related-grid:has(>:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}
  .structure-related-grid:has(>:nth-child(1):last-child){grid-template-columns:minmax(0,1fr)}
}.structure-related-card{display:grid!important;grid-template-columns:34px minmax(0,1fr) 20px!important;grid-template-rows:auto auto;column-gap:11px!important;align-items:center!important;padding:16px!important;border-radius:9px!important}.visual-related-icon{grid-row:1/3;width:25px!important;height:25px!important;color:var(--visual-teal)}.structure-related-card>span{grid-column:2;font-size:14px!important}.structure-related-card>small{grid-column:2;font-size:14px!important;line-height:1.45}.structure-related-card>b,.structure-related-card>.visual-related-open{grid-column:3;grid-row:1/3;position:static!important;transform:none!important;align-self:center;justify-self:end}.structure-related-card>.visual-related-open{width:18px!important;height:18px!important;color:var(--visual-teal);display:block}.structure-next-step{border-radius:9px!important}.structure-next-step>span{color:#62e1cd!important}
/* Footer becomes an enterprise identity/contact area, not a metadata strip. */
.visual-footer{padding:58px 0 24px;background:linear-gradient(180deg,#061018,#040b10);border-top:1px solid rgba(125,220,255,.16)}.visual-footer-grid{grid-template-columns:minmax(300px,1.55fr) repeat(5,minmax(120px,.7fr));gap:26px}.visual-footer-brandmark{margin-bottom:16px}.visual-footer-contact{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin-top:20px}.visual-footer-contact>div{display:grid;grid-template-columns:40px minmax(0,1fr);gap:10px;align-items:start;padding:10px;border:1px solid rgba(125,220,255,.12);border-radius:9px;background:rgba(10,31,42,.62)}.visual-footer-contact .visual-ico{width:21px;height:21px;margin:2px auto;color:var(--visual-teal)}.visual-footer-contact b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.065em;color:#82a6b1;margin-bottom:2px}.visual-footer-contact p,.visual-footer-contact a{font-size:14px;line-height:1.45;color:#d5e4e8}.visual-footer-contact a:hover{color:var(--visual-teal)}.visual-footer-group summary{font-size:14px!important;min-height:40px}.visual-footer-group nav{display:grid}.visual-footer-group nav a{padding:6px 0;font-size:14px;color:#93aab3}.visual-footer-group nav a:hover{color:#dffaf5}{width:20px;height:20px;color:var(--visual-teal)}.visual-footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(125,220,255,.16)}.visual-footer-bottom p,.visual-footer-bottom a,.visual-footer-bottom li{font-size:13px!important;line-height:1.5}
/* Mature surface hierarchy: less glow, tighter radii, stronger typography. */
.feature-card,.content-card,.assurance-card,.structure-card,.route-card,.desktop-window,.mobile-window,.api-explorer,.code-panel{border-radius:9px!important;box-shadow:none!important}.feature-card:hover,.structure-card:hover{border-color:rgba(103,227,199,.32)}.feature-card>.ico{color:var(--visual-teal)}
.structure-breadcrumb .wrap{font-size:13px!important;min-height:42px!important;gap:9px!important}.structure-breadcrumb a{color:#86a8b1!important}.structure-breadcrumb span{color:#e1eeef!important}
@media(max-width:1365px){.visual-nav-shell{grid-template-columns:210px minmax(0,1fr) 192px;gap:16px}.visual-navdrop>summary{padding:0 9px;font-size:14px!important}.visual-brand{font-size:16px}.visual-mega{padding:19px}.visual-mega-layout{gap:13px!important;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(220px,.68fr)!important}.visual-mega-item{padding-inline:8px}.visual-footer-grid{gap:18px}.visual-footer-contact{grid-template-columns:1fr}}
@media(max-width:1100px){.visual-trust-strip{display:none}.visual-nav-shell{min-height:72px;height:72px;display:flex;flex-wrap:nowrap;align-items:center;gap:4px;position:relative;overflow:visible}.visual-brand{flex:1 1 auto;min-width:0;order:1;grid-area:unset}.visual-nav-actions{flex:0 0 auto;order:2;margin:0;gap:2px;grid-area:unset;z-index:2}.menu-toggle{flex:0 0 44px;order:3;display:block;margin-left:0!important;position:relative;z-index:2}.visual-nav-actions .visual-start{display:none!important}.visual-primary-nav{grid-area:unset!important;position:absolute!important;left:0;right:0;top:100%;display:none!important;flex:none;width:100%;max-width:none;min-width:0;height:auto;max-height:min(70vh,calc(100dvh - 72px));overflow-x:hidden;overflow-y:auto;background:#071722;border:1px solid var(--line);border-radius:0 0 8px 8px;padding:10px;gap:0;box-sizing:border-box;margin:0;z-index:120;box-shadow:0 18px 40px rgba(0,0,0,.45)}.visual-primary-nav.open{display:flex!important;flex-direction:column;align-items:stretch;gap:0;height:auto;box-sizing:border-box}.visual-start-mobile{display:flex!important;width:100%;box-sizing:border-box;justify-content:center;margin-top:12px;min-height:48px!important;padding:12px 16px!important;font-size:15px!important}.visual-navdrop{display:block}.visual-navdrop>summary{min-height:54px;padding:0 13px;font-size:14px!important;display:flex;align-items:center;justify-content:space-between;width:100%;box-sizing:border-box}.visual-navdrop>summary .visual-chevron,.visual-navdrop>summary .v10-chevron{margin-left:auto}.visual-mega{position:static!important;border:0;border-top:1px solid var(--line);border-radius:0;box-shadow:none;padding:15px!important}.visual-mega-layout{display:block!important}.visual-mega-preview{display:none}.visual-mega-group+.visual-mega-group{margin-top:14px}.visual-mega-item{min-height:56px}.visual-home .hero-grid{grid-template-columns:1fr;gap:30px}.visual-control-plane{max-width:760px;width:100%;justify-self:center}.visual-footer-grid{grid-template-columns:1.35fr repeat(2,1fr)}.visual-footer-identity{grid-row:span 3}.visual-footer-contact{grid-template-columns:1fr}.visual-intent-rail{grid-template-columns:1fr 1fr}}
@media(max-width:800px){.visual-control-body{grid-template-columns:1fr;gap:0}.visual-control-line{height:26px;width:2px;justify-self:center}.visual-control-line i{width:1px;height:100%;background:linear-gradient(var(--visual-teal),rgba(125,220,255,.25))}.visual-control-line i:after{right:-3px;top:auto;bottom:-1px;border-top:5px solid var(--visual-teal);border-left:3px solid transparent;border-right:3px solid transparent;border-bottom:0}.visual-control-node{min-height:60px}.visual-metro{display:grid!important;grid-template-columns:1fr!important}.visual-metro .flow-arrow,.visual-metro .content-arrow{height:26px!important;min-width:0!important;transform:none!important}.visual-metro .flow-arrow:before,.visual-metro .content-arrow:before{left:50%;right:auto;top:0;bottom:0;width:1px;height:auto}.visual-metro .flow-arrow:after,.visual-metro .content-arrow:after{right:auto;left:calc(50% - 3px);top:auto;bottom:0;border-top:5px solid var(--visual-teal);border-left:3px solid transparent;border-right:3px solid transparent;border-bottom:0}.visual-footer-grid{grid-template-columns:1fr 1fr}.visual-footer-identity{grid-column:1/-1;grid-row:auto}.visual-footer-contact{grid-template-columns:1fr 1fr}.visual-intent-rail{margin-top:18px}}
@media(max-width:560px){.visual-nav-shell{display:flex;align-items:center;gap:4px}.visual-brand small{display:none}.visual-intent-rail{grid-template-columns:1fr}.visual-intent-rail a{min-height:56px}.visual-control-head{align-items:flex-start;flex-direction:column}.visual-control-foot{gap:9px}.visual-footer-grid{grid-template-columns:1fr}.visual-footer-contact{grid-template-columns:1fr}.visual-footer-group{border-top:1px solid var(--line)}.visual-footer-group summary{min-height:50px;font-size:14px!important}.visual-footer-group nav a{font-size:14px;padding:8px 0}.visual-footer-group:not([open]) nav{display:none}.visual-footer-bottom{align-items:flex-start;flex-direction:column}.visual-footer-contact p,.visual-footer-contact a{font-size:14px}}
@media(prefers-reduced-motion:reduce){.visual-preview-stage,.visual-mini-node,.visual-control-plane *{transition:none!important;animation:none!important}}
@media(min-width:1366px){.visual-footer-contact{grid-template-columns:1fr}.visual-footer-contact>div{min-height:58px;grid-template-columns:40px minmax(0,1fr)}.visual-footer-contact p,.visual-footer-contact a{white-space:normal;overflow-wrap:anywhere}}

/* Language select with flag icons */
.lang-select{position:relative;display:inline-flex;align-items:center;padding:0!important;min-height:0!important;flex:0 0 auto;white-space:nowrap}
.lang-select.lang-in-sidebar{display:flex;flex-direction:column;align-items:stretch;width:100%;margin:12px 0 10px;box-sizing:border-box;position:relative}
.lang-select.lang-in-sidebar .lang-select-trigger{width:100%;justify-content:space-between;min-height:48px;padding:12px 14px}
.lang-select.lang-in-sidebar .lang-select-trigger .lang-flag,
.lang-select.lang-in-sidebar .lang-select-trigger .lang-code{flex:0 0 auto}
.lang-select.lang-in-sidebar .lang-select-trigger .lang-code{margin-right:auto;margin-left:7px}
.lang-select.lang-in-sidebar .lang-select-trigger .lang-caret{margin-left:12px;flex:0 0 auto}
/* Mobile sidebar: menu nằm trong flow, không absolute để tránh overflow/cắt bởi header */
.lang-select.lang-in-sidebar .lang-select-menu{
  position:static;
  top:auto;
  right:auto;
  left:auto;
  z-index:auto;
  min-width:0;
  width:100%;
  margin-top:8px;
  box-sizing:border-box;
}
.lang-select-trigger{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:8px 10px;border:1px solid rgba(125,220,255,.18);border-radius:10px;background:rgba(8,28,39,.72);color:#d9e6eb;font:650 13px/1 var(--sans,inherit);cursor:pointer;white-space:nowrap;flex-wrap:nowrap}
.lang-select-trigger:hover,.lang-select.open .lang-select-trigger{border-color:rgba(103,227,199,.35);color:#eafffb}
.lang-select .lang-flag{width:20px;height:20px;display:block;flex:0 0 auto;border-radius:50%;object-fit:cover}
.lang-select .lang-code{letter-spacing:.02em;white-space:nowrap;flex:0 0 auto}
.lang-select .lang-caret{color:#6f8e99;transition:transform .16s;flex:0 0 auto}
.lang-select.open .lang-caret{transform:rotate(180deg)}
.lang-select-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:120;min-width:max-content;margin:0;padding:6px;list-style:none;border:1px solid rgba(125,220,255,.2);border-radius:10px;background:rgba(6,23,33,.98);box-shadow:0 18px 40px rgba(0,0,0,.45);backdrop-filter:blur(14px);white-space:nowrap}
.lang-select-menu li{display:flex;align-items:center;gap:8px;min-height:40px;padding:6px 10px;border-radius:8px;cursor:pointer;color:#d9e6eb;font:650 13px/1 var(--sans,inherit);white-space:nowrap;flex-wrap:nowrap}
.lang-select-menu li:hover,.lang-select-menu li.is-active{background:rgba(103,227,199,.1);color:#eafffb}
@media(max-width:560px){.lang-select-trigger{min-height:40px;padding:6px 8px;gap:5px}.lang-select .lang-code{font-size:12px}}

/* Footer: bỏ accordion — heading tĩnh, luôn hiện link, ẩn chevron */
.visual-footer-group,.footer-group{border:0!important}
.visual-footer-group>summary,.footer-group>summary{pointer-events:none;cursor:default;list-style:none;display:block;min-height:0!important;padding:0 0 10px;margin:0;font-size:13px!important;font-weight:700;color:#e2ebef}
.visual-footer-group>summary::-webkit-details-marker,.footer-group>summary::-webkit-details-marker{display:none}
.visual-footer-group .footer-chevron,.footer-group .footer-chevron,.visual-footer-group .v10-chevron,.footer-group .v10-chevron{display:none!important}
.visual-footer-group nav,.footer-group nav,.visual-footer-group:not([open]) nav,.footer-group:not([open]) nav{display:block!important}
.visual-footer-group nav a,.footer-group nav a,.visual-footer-group li a,.footer-group li a{display:block;padding:4px 0;font-size:14px;color:#c5d6de}
@media(max-width:560px){
  .visual-footer-group,.footer-group{border-top:0!important;padding-top:0}
  .visual-footer-group>summary,.footer-group>summary{min-height:0!important;padding-bottom:8px}
  .visual-footer-group:not([open]) nav,.footer-group:not([open]) nav{display:block!important}
}

/* ISO badge dưới email footer */
.v11-footer-iso{display:none!important}

/* Footer contact: bỏ card (background/border), text xuống dòng bình thường */
.visual-footer-contact{display:grid;grid-template-columns:1fr;gap:12px;margin-top:18px}
.visual-footer-contact>div{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;align-items:start;padding:0;border:0;border-radius:0;background:transparent;min-height:0}
.visual-footer-contact .visual-ico{width:18px;height:18px;margin:2px 0 0;color:var(--visual-teal)}
.visual-footer-contact b{display:none!important}
.visual-footer-contact p,.visual-footer-contact a{display:block;font-size:14px;line-height:1.6;color:#d5e4e8;white-space:normal;overflow-wrap:anywhere;margin:0}
.visual-footer-contact span{display:block;min-width:0}
.visual-footer-contact a:hover{color:var(--visual-teal)}
@media(min-width:1366px){.visual-footer-contact{grid-template-columns:1fr}.visual-footer-contact>div{min-height:0;grid-template-columns:24px minmax(0,1fr)}}

/* Cookie consent — theo palette project (dark / accent teal) */
.cookie-consent-root{position:relative;z-index:240}
.cookie-banner-spacer{display:block;width:100%;pointer-events:none}
.cookie-banner-spacer[hidden],.cookie-banner[hidden],.cookie-fab[hidden],.cookie-modal[hidden]{display:none!important}
.cookie-banner{position:fixed;inset-inline:0;bottom:0;z-index:241;display:flex;flex-wrap:nowrap;align-items:center;gap:18px;padding:18px 22px;background:rgba(8,23,34,.97);color:var(--ink);border-top:1px solid var(--line);box-shadow:0 -22px 64px rgba(0,0,0,.45);backdrop-filter:blur(14px)}
.cookie-banner-copy{flex:1 1 auto;min-width:0;margin:0;display:flex;flex-direction:column;align-items:flex-start;gap:6px;font-weight:740;font-size:16px;line-height:1.45;color:var(--ink)}
.cookie-banner-copy strong{flex:0 0 auto}
.cookie-banner-copy span{margin:0;font-weight:450;font-size:13px;line-height:1.55;color:var(--muted);white-space:normal}
.cookie-banner-actions{display:flex;flex-wrap:nowrap;justify-content:flex-end;gap:8px;margin-inline-start:auto;flex:0 0 auto}
.cookie-btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 14px;border-radius:7px;border:1px solid var(--line);background:#102534;color:var(--ink);font:680 13px/1.2 var(--sans,inherit);cursor:pointer;white-space:nowrap;transition:.16s}
.cookie-btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.cookie-btn-primary{background:var(--accent);border-color:var(--accent);color:#052c29;font-weight:720}
.cookie-btn-primary:hover{background:#91efdd}
.cookie-fab{position:fixed;left:1%;bottom:40px;z-index:242;width:56px;height:56px;border-radius:50%;border:1px solid var(--line);background:var(--panel);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 18px 40px rgba(0,0,0,.35);transition:transform .16s,box-shadow .16s,border-color .16s,background .16s,color .16s}
.cookie-fab:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(0,0,0,.42);background:var(--panel2);border-color:var(--accent);color:#91efdd}
body.cookie-modal-open{overflow:hidden}
.cookie-modal{position:fixed;inset:0;z-index:250;display:grid;place-items:center;padding:16px}
.cookie-modal-backdrop{position:absolute;inset:0;background:#02090dcc;backdrop-filter:blur(5px)}
.cookie-modal-panel{position:relative;z-index:1;width:min(920px,100%);max-height:min(88vh,820px);display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);border:1px solid #3b626e;background:linear-gradient(160deg,#123541,#0a202d);color:var(--ink);box-shadow:var(--shadow)}
.cookie-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.cookie-modal-head h2{margin:0;font-size:18px;font-weight:760;color:var(--ink)}
.cookie-modal-close{border:0;background:transparent;color:var(--quiet);font-size:16px;cursor:pointer;padding:6px}
.cookie-modal-close:hover{color:var(--accent)}
.cookie-modal-body{display:grid;gap:22px;padding:18px;overflow:auto}
.cookie-pref-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center}
.cookie-pref-row b{display:block;font-size:15px;font-weight:740;color:var(--ink);margin-bottom:6px}
.cookie-pref-row p{margin:0;font-size:13px;line-height:1.55;color:var(--muted)}
.cookie-always{white-space:nowrap;font-weight:720;color:var(--accent)}
.cookie-switch{width:32px;height:18px;border-radius:999px;border:1px solid var(--line);background:#1a3543;padding:0;cursor:pointer;position:relative;flex:0 0 auto}
.cookie-switch i{position:absolute;top:1px;left:1px;width:14px;height:14px;border-radius:50%;background:#e8f4f8;transition:transform .16s}
.cookie-switch.is-on{background:var(--accent);border-color:var(--accent)}
.cookie-switch.is-on i{transform:translateX(14px);background:#052c29}
.cookie-modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 18px;border-top:1px solid var(--line)}
@media(max-width:720px){
  .cookie-banner{padding:16px;flex-wrap:wrap;flex-direction:column;align-items:stretch}
  .cookie-banner-copy{flex:0 0 auto;width:100%;font-size:15px}
  .cookie-banner-actions{width:100%;margin-inline-start:0;flex-wrap:wrap;display:grid;grid-template-columns:1fr}
  .cookie-pref-row{grid-template-columns:1fr;gap:10px}
  .cookie-always,.cookie-switch{justify-self:start}
  .cookie-fab{left:12px;bottom:24px;width:52px;height:52px}
}

/* Content wrap = cùng hệ width với header/footer */
main .wrap,
.section > .wrap,
.v9-section .wrap,
.v9-guide-toc > .wrap,
.assurance-proof-strip > .wrap,
.page-hero .wrap,
.home-hero .wrap,
.structure-breadcrumb .wrap{
  width:min(calc(100% - 80px),var(--max))!important;
  max-width:none!important;
  padding-inline:0!important;
  margin-inline:auto;
  box-sizing:border-box;
}
@media(max-width:800px){
  main .wrap,
  .section > .wrap,
  .v9-section .wrap,
  .v9-guide-toc > .wrap,
  .assurance-proof-strip > .wrap,
  .page-hero .wrap,
  .home-hero .wrap,
  .structure-breadcrumb .wrap{
    width:min(calc(100% - 34px),var(--max))!important;
  }
}

/* Header nav: giảm gap dần khi thu nhỏ (override rule cũ) */
@media(max-width:1480px) and (min-width:1101px){
  .visual-nav-shell{gap:16px!important;grid-template-columns:minmax(150px,210px) minmax(0,1fr) minmax(140px,200px)!important;grid-template-areas:"brand nav actions"!important}
  .visual-primary-nav{flex:1 1 0%;width:100%;max-width:none;gap:0!important;justify-content:flex-start;min-width:0!important;overflow:visible}
  .visual-nav-actions{z-index:5;flex-shrink:0}
  .visual-navdrop{flex:1 1 auto;min-width:0;width:auto;max-width:none}
  .visual-navdrop>summary{padding:0 9px!important;gap:4px}
  .visual-nav-actions{gap:6px}
}
@media(max-width:1365px) and (min-width:1101px){
  .visual-nav-shell{gap:10px!important;grid-template-columns:minmax(140px,190px) minmax(0,1fr) minmax(128px,176px)!important;grid-template-areas:"brand nav actions"!important}
  .visual-navdrop>summary{padding:0 6px!important;font-size:13px!important;gap:3px}
  .visual-navdrop>summary .visual-chevron,.visual-navdrop>summary .v10-chevron{width:14px;height:14px}
  .visual-nav-actions{gap:4px}
  .visual-start{padding:9px 11px!important;min-height:40px!important;font-size:13px!important}
  .visual-search{width:38px;height:40px}
  .lang-select-trigger{min-height:40px;padding:6px 8px;gap:5px}
}
@media(max-width:1240px) and (min-width:1101px){
  .visual-nav-shell{gap:6px!important;grid-template-columns:minmax(120px,168px) minmax(0,1fr) minmax(118px,160px)!important;grid-template-areas:"brand nav actions"!important}
  .visual-navdrop>summary{padding:0 4px!important;font-size:12px!important;gap:2px}
  .visual-nav-actions{gap:3px}
  .visual-start{padding:8px 9px!important}
  .brand-lockup{height:30px}
}
@media(max-width:1180px) and (min-width:1101px){
  .visual-nav-shell{gap:4px!important}
  /* giữ arrow; chỉ thu gọn padding/font ở breakpoint hẹp */
  .visual-start{display:none!important}
}