/* Shared v2 chrome. Scoped variables leave the page content palette unchanged. */
.site-chrome-wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 16px; }
.site-icon { display: block; flex: none; width: 24px; height: 24px; }
.site-header, .site-utility, .site-mobile-nav { --chrome-navy: #123b63; --chrome-soft: #e3ecf5; --chrome-stop: #b8431a; font-family: var(--font); }
.site-utility { color: #fff; background: var(--chrome-navy); font-size: .875rem; line-height: 1.35; padding-block: 2px; }
.site-utility__inner { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; }
.site-utility p { min-width: 0; margin: 0; }
.site-utility p b { letter-spacing: .08em; }
.site-utility__contest { flex: 1; min-width: 0; }
.site-utility__contest-inner { display: flex; align-items: center; gap: 12px; padding-block: 6px; }
.site-utility__contest-icon { display: grid; place-items: center; flex: none; width: 32px; height: 32px; border-radius: 9px; background: #ffffff0d; border: 1px solid #e3c88f40; color: #e3c88f; }
.site-utility__contest-icon .site-icon { width: 19px; height: 19px; }
.site-utility__contest-copy { display: flex; align-items: center; gap: 12px; min-width: 0; overflow: hidden; }
.site-utility__contest-title { display: block; flex: none; color: inherit; font-size: .875rem; font-weight: 700; line-height: 1.35; white-space: nowrap; text-decoration: none; }
.site-utility__contest-title:hover { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.site-utility__contest-meta { display: flex; align-items: center; gap: 12px; min-width: 0; color: #cfdae6; font-size: .8125rem; line-height: 1.4; white-space: nowrap; }
.site-utility__contest-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.site-utility__contest-dates { flex: none; padding-left: 12px; border-left: 1px solid #ffffff40; }
.site-utility__contest-dates time { white-space: nowrap; }
.site-utility__contest-cta { display: inline-flex; align-items: center; justify-content: center; flex: none; gap: 6px; min-height: 36px; padding: 6px 12px; border: 1px solid #ffffff45; border-radius: 8px; color: #fff; background: #ffffff0a; font-size: .8125rem; font-weight: 700; white-space: nowrap; text-decoration: none; transition: background-color .18s ease, border-color .18s ease; }
.site-utility__contest-cta:hover { background: #ffffff1a; border-color: #ffffff90; color: #fff; text-decoration: none; }
.site-utility__contest-cta > span { display: inline-flex; }
.site-utility__contest-cta .site-icon { width: 15px; height: 15px; transition: transform .18s ease; }
.site-utility__contest-cta:hover .site-icon { transform: translateX(2px); }
.site-font-toggle { display: inline-flex; flex: none; align-items: center; justify-content: center; gap: 6px; color: inherit; font: inherit; font-weight: 700; font-size: .90625rem; padding: 6px 14px; border-radius: 999px; border: 1.5px solid currentColor; min-height: 44px; background: transparent; cursor: pointer; margin-left: auto; }
.site-font-toggle[aria-pressed="true"] { background: #fff; color: var(--chrome-navy); }
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; color: var(--chrome-navy); border-bottom: 1px solid #d6dee8; }
.site-header__inner { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 16px; min-height: 62px; padding-block: 8px; }
.site-header a { color: inherit; text-decoration: none; }
.site-brand { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.site-brand__mark { display: grid; place-items: center; flex: none; width: 38px; height: 38px; border-radius: 11px; background: var(--chrome-navy); color: #fff; }
.site-brand__logo { max-width: 100px; height: 38px; object-fit: contain; flex: none; transition: transform .24s ease, filter .24s ease; }
.site-brand:hover { text-decoration: none; }
.site-brand:hover .site-brand__logo { transform: scale(1.06); filter: drop-shadow(0 3px 5px #123b6330); }
.site-brand__mark { transition: transform .24s ease, background-color .24s ease; }
.site-brand:hover .site-brand__mark { transform: rotate(-6deg) scale(1.06); background: #1b527f; }
.site-brand__text :is(b, small) { text-decoration: none; }
.site-brand__text { min-width: 0; display: grid; }
.site-brand__text b { font-size: 1.125rem; font-weight: 800; letter-spacing: -.01em; line-height: 1.2; overflow-wrap: anywhere; }
.site-brand__text small { font-size: .8125rem; line-height: 1.35; color: #4a5a6e; }
.site-brand__text .site-brand__tagline--mobile { display: none; }
.site-header__nav { display: none; }
.site-nav-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 1.03125rem; font-weight: 700; line-height: 1.35; padding: 10px 14px; border-radius: 12px; white-space: nowrap; min-height: 48px; border: 1.5px solid transparent; }
.site-nav-link .site-icon { width: 20px; height: 20px; }
.site-header__nav .site-nav-link:hover { background: var(--chrome-soft); color: var(--chrome-navy); }
.site-nav-link[aria-current="page"] { background: var(--chrome-soft); border-color: var(--chrome-navy); }
.site-header .site-nav-link--urgent { background: var(--chrome-stop); color: #fff; }
.site-header .site-nav-link--urgent:hover { color: #fff; background: #a13a17; }
.site-header .site-nav-link--urgent[aria-current="page"] { outline: 3px solid #d9531e; outline-offset: 2px; border-color: transparent; }
.site-mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr)); gap: 4px; padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px)); background: #fff; border-top: 1px solid #d6dee8; box-shadow: 0 -4px 16px #123b6314; }
.site-mobile-nav .site-nav-link { flex-direction: column; gap: 2px; white-space: normal; min-width: 0; min-height: 56px; padding: 4px 2px; font-size: .9375rem; text-align: center; line-height: 1.15; text-decoration: none; color: var(--chrome-navy); overflow-wrap: anywhere; }
.site-mobile-nav .site-icon { width: 23px; height: 23px; }
.site-mobile-nav:has(> :nth-child(3):last-child) { grid-template-columns: 1fr 1.4fr 1fr; }
.site-mobile-nav .site-nav-link--urgent { color: #fff; background: var(--chrome-stop); }
.site-mobile-nav .site-nav-link--urgent[aria-current="page"] { box-shadow: inset 0 0 0 3px #fff; }
.site-header--inline-mobile .site-header__nav { display: flex; flex: 1 0 100%; flex-wrap: wrap; gap: 6px; }
.site-skip { position: fixed; top: 8px; left: 12px; z-index: 100; padding: 10px 14px; background: #fff; color: #123b63; border-radius: 4px; transform: translateY(-200%); }
.site-skip:focus { transform: translateY(0); }
:is(.site-header, .site-utility, .site-mobile-nav) :is(a, button):focus-visible { outline: 3px solid #d9531e; outline-offset: 3px; }
html { scroll-padding-top: calc(var(--site-header-height, 62px) + 12px); scroll-padding-bottom: calc(var(--site-mobile-nav-height, 0px) + 12px); }
body:has(.site-mobile-nav) { padding-bottom: var(--site-mobile-nav-height, 76px); }
#noi-dung { padding-top: 0; }
@media (min-width: 768px) {
  .site-chrome-wrap { padding-inline: 24px; }
  .site-brand { flex: 0 1 auto; margin-right: auto; }
  .site-header__nav { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
  .site-mobile-nav { display: none; }
  body:has(.site-mobile-nav) { padding-bottom: 0; }
}
@media (min-width: 768px) and (max-width: 1024px) {
  .site-brand__text small { display: none; }
  .site-nav-link { padding-inline: 11px; font-size: 1rem; }
}
@media (max-width: 359px) { .site-brand__mark { display: none; } .site-utility p span { display: none; } }
@media (max-width: 1100px) { .site-utility__contest-name { display: none; } }
@media (max-width: 767px) {
  .site-brand__text .site-brand__tagline--desktop { display: none; }
  .site-brand__text .site-brand__tagline--mobile { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .site-utility__contest-inner { padding-block: 0; }
  .site-utility__contest-icon, .site-utility__contest-meta, .site-utility__contest-cta { display: none; }
  .site-utility__contest-copy { flex: 1; }
  .site-utility__contest-title { flex: 1; min-width: 0; min-height: 44px; padding-block: 12px; overflow: hidden; text-overflow: ellipsis; font-size: .8125rem; line-height: 1.4; }
}
@media (prefers-reduced-motion: reduce) {
  .site-utility__contest-cta, .site-utility__contest-cta .site-icon { transition: none; }
  .site-utility__contest-cta:hover .site-icon { transform: none; }
}
@media (max-width: 360px) {
  .site-utility__contest-month-label { display: none; }
  .site-utility .site-font-toggle { gap: 4px; padding-inline: 10px; font-size: .8125rem; }
}
@media print { .site-utility, .site-header__nav, .site-mobile-nav { display: none !important; } .site-header { position: static; } body:has(.site-mobile-nav) { padding-bottom: 0; } }