/* ichudu — header & footer toàn website, bố cục kiểu China Bound. */
:root {
	--cb-blue: #21549b;
	--cb-blue-deep: #1a4580;
	--cb-cyan: #63cee8;
	--cb-ink: #333;
	--cb-line: #e2e2e2;
	--cb-font: "Open Sans", Arial, "Helvetica Neue", sans-serif;
	--cb-max: 1300px;
	--cb-gutter: 40px;
	/* Đồng bộ màu nhấn của các trang con với tông xanh mới. */
	--primary: #21549b;
}

.cb-sr { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.cb-ico { width: 1em; height: 1em; flex: none; }
body.cb-noscroll { overflow: hidden; }

/* ---------- Header ---------- */
.cb-header { position: relative; z-index: 1000; background: var(--cb-blue); color: #fff; font-family: var(--cb-font); }
.cb-header--overlay { position: absolute; top: 0; left: 0; right: 0; background: transparent; }
.cb-header *, .cb-footer *, .cb-overlay * { box-sizing: border-box; }
.cb-header a, .cb-footer a, .cb-overlay a { color: inherit; text-decoration: none; }
.cb-header__inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; max-width: calc(var(--cb-max) + 2 * var(--cb-gutter)); margin: 0 auto; padding: 16px var(--cb-gutter); }

.cb-logo { display: flex; align-items: center; gap: 18px; flex: none; }
.cb-logo__mark { margin: 0; line-height: 0; font-size: 0; }
.cb-logo__mark img { display: block; width: auto; height: 57px; }
.cb-logo__tagline { font-size: 17px; font-style: italic; font-weight: 600; letter-spacing: .01em; color: #fff; white-space: nowrap; }

.cb-header__right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; min-width: 0; }
.cb-header__top { display: flex; align-items: center; justify-content: flex-end; min-height: 32px; font-size: 15px; }
.cb-header__top > a:hover { color: var(--cb-cyan); }
.cb-header__gap { margin: 0 12px; opacity: .8; }

.cb-search { display: flex; align-items: center; margin: 0 0 0 15px; }
.cb-search input { width: 0; height: 30px; padding: 0; border: 0; border-bottom: 1px solid transparent; border-radius: 0; background: transparent; color: #fff; font: 400 15px/1 var(--cb-font); opacity: 0; transition: width .25s ease, opacity .2s ease, padding .25s ease; outline: 0; }
.cb-search input::placeholder { color: rgba(255, 255, 255, .75); }
.cb-search.is-open input, .cb-search input:focus { width: 190px; padding: 0 8px; opacity: 1; border-bottom-color: rgba(255, 255, 255, .8); }
.cb-search button, .cb-iconbtn { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0; border: 0; background: none; color: #fff; font-size: 21px; cursor: pointer; }
.cb-search button:hover, .cb-iconbtn:hover { color: var(--cb-cyan); }

.cb-menu, .cb-menu ul, .cb-mmenu, .cb-mmenu ul, .cb-footer ul { margin: 0; padding: 0; list-style: none; }
.cb-menu { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; column-gap: 38px; }
.cb-menu > li { position: relative; padding: 4px 0 12px; margin-bottom: -12px; }
.cb-menu > li > a { display: block; font-size: 16px; font-weight: 600; line-height: 26px; text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; border-bottom: 2px solid transparent; transition: border-color .2s ease; }
.cb-menu > li:hover > a, .cb-menu > li:focus-within > a, .cb-menu > li.current-menu-item > a, .cb-menu > li.current-menu-ancestor > a, .cb-menu > li.current-menu-parent > a { border-bottom-color: #fff; }
.cb-menu .sub-menu { position: absolute; top: 100%; left: 50%; z-index: 5; display: grid; grid-template-columns: repeat(2, max-content); gap: 16px 48px; padding: 32px 44px 36px; background: rgba(37, 84, 155, .94); border-radius: 2px; box-shadow: 0 18px 40px rgba(10, 30, 70, .22); opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.cb-menu .sub-menu:has(> li:nth-child(-n+4):last-child) { grid-template-columns: max-content; }
.cb-menu > li:hover > .sub-menu, .cb-menu > li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.cb-menu > li:nth-last-child(-n+2) > .sub-menu { left: auto; right: 0; transform: translate(0, 8px); }
.cb-menu > li:nth-last-child(-n+2):hover > .sub-menu, .cb-menu > li:nth-last-child(-n+2):focus-within > .sub-menu { transform: none; }
.cb-menu .sub-menu a { display: block; font-size: 15px; font-weight: 500; line-height: 1.5; text-transform: uppercase; white-space: nowrap; }
.cb-menu .sub-menu a:hover { color: var(--cb-cyan); }

.cb-header__mobile { display: none; align-items: center; gap: 10px; }
.cb-header__mobile .cb-iconbtn { width: 40px; height: 40px; font-size: 27px; }

/* ---------- Lớp phủ di động ---------- */
.cb-overlay { position: fixed; inset: 0; z-index: 2000; overflow-y: auto; padding: 76px 28px 40px; background: rgba(33, 84, 155, .97); color: #fff; font-family: var(--cb-font); }
.cb-overlay[hidden] { display: none; }
.cb-overlay__close { position: absolute; top: 18px; right: 20px; width: 40px; height: 40px; font-size: 28px; }
.cb-overlay__search { display: flex; align-items: center; margin-top: 12vh; border-bottom: 1px solid rgba(255, 255, 255, .8); }
.cb-overlay__search input { flex: 1; min-width: 0; height: 52px; border: 0; background: transparent; color: #fff; font: 400 20px/1 var(--cb-font); outline: 0; }
.cb-overlay__search input::placeholder { color: rgba(255, 255, 255, .7); }
.cb-overlay__search button { width: 44px; height: 44px; border: 0; background: none; color: #fff; font-size: 26px; }
.cb-mmenu > li { border-bottom: 1px solid rgba(255, 255, 255, .22); }
.cb-mmenu > li > a { display: block; padding: 16px 44px 16px 0; font-size: 19px; font-weight: 600; text-transform: uppercase; }
.cb-mmenu > li { position: relative; }
.cb-mmenu__toggle { position: absolute; top: 9px; right: -8px; width: 44px; height: 44px; border: 0; background: none; color: #fff; font: 300 30px/1 var(--cb-font); cursor: pointer; }
.cb-mmenu .sub-menu { display: none; padding: 0 0 16px 14px; }
.cb-mmenu > li.is-open > .sub-menu { display: block; }
.cb-mmenu .sub-menu a { display: block; padding: 8px 0; font-size: 16px; color: rgba(255, 255, 255, .92); }
.cb-overlay__links { display: flex; gap: 24px; margin-top: 26px; font-size: 16px; }

/* ---------- Footer ---------- */
.cb-footer { position: relative; background: var(--cb-blue); color: #fff; font: 400 16px/1.6 var(--cb-font); padding-top: 85px; }
.cb-footer__inner { position: relative; max-width: calc(var(--cb-max) + 2 * var(--cb-gutter)); margin: 0 auto; padding: 0 var(--cb-gutter); }
.cb-footer__top { position: absolute; top: -50px; right: var(--cb-gutter); display: inline-flex; flex-direction: column; align-items: center; font-size: 26px; line-height: 1; opacity: .9; }
.cb-footer__top::after { content: "TOP"; margin-top: 2px; font-size: 11px; font-weight: 600; letter-spacing: .08em; }
.cb-footer__top:hover { color: var(--cb-cyan); }
.cb-footer__cols { display: flex; justify-content: space-between; gap: 48px; padding-bottom: 70px; }
.cb-footer__col { min-width: 0; }
.cb-footer__about { flex: 0 1 430px; }
.cb-footer__logo { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; font-size: 16px; font-style: italic; font-weight: 600; white-space: nowrap; }
.cb-footer__logo img { display: block; width: auto; height: 60px; }
.cb-footer__desc { margin: 0 0 30px; color: #fff; }
.cb-footer__block { margin-bottom: 26px; }
.cb-footer__heading { margin: 0 0 18px; color: #fff; font-size: 17px; font-weight: 700; line-height: 1.4; text-transform: uppercase; letter-spacing: .02em; }
.cb-footer__social { display: flex; gap: 16px; }
.cb-footer__social a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid rgba(255, 255, 255, .9); border-radius: 50%; transition: background .2s ease, color .2s ease; }
.cb-footer__social a:hover { background: #fff; color: var(--cb-blue); }
.cb-footer__social svg { width: 20px; height: 20px; }
.cb-footer__contact li { margin-bottom: 6px; }
.cb-footer__links { display: flex; flex-direction: column; gap: 14px; }
.cb-footer__links a:hover, .cb-footer__contact a:hover, .cb-footer__heading a:hover { color: var(--cb-cyan); }
.cb-footer__split { display: flex; gap: 44px; }
.cb-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); }
.cb-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 96px; }
.cb-footer__bottom p { margin: 0; font-size: 14px; }
.cb-footer__bottom img { display: block; max-height: 34px; width: auto; }

/* Nút về đầu trang sẵn có của theme, đổi sang tông xanh mới. */
.cb-site .back-to-top { background: var(--cb-blue); border-color: var(--cb-blue); }

@media (max-width: 1240px) {
	.cb-logo__tagline { display: none; }
	.cb-menu { column-gap: 26px; }
	.cb-menu > li > a { font-size: 15px; }
}
@media (max-width: 991.98px) {
	:root { --cb-gutter: 20px; }
	.cb-header__right { display: none; }
	.cb-header__mobile { display: flex; }
	.cb-header__inner { padding-top: 12px; padding-bottom: 12px; }
	.cb-logo__mark img { height: 44px; }
	.cb-footer { padding-top: 70px; }
	.cb-footer__logo { flex-wrap: wrap; }
	.cb-footer__logo img { height: 48px; }
	.cb-footer__cols { flex-wrap: wrap; gap: 36px 32px; padding-bottom: 48px; }
	.cb-footer__about { flex: 1 1 100%; }
	.cb-footer__col { flex: 1 1 calc(50% - 16px); }
	.cb-footer__places { flex-basis: 100%; }
	.cb-footer__bottom-inner { flex-direction: column; justify-content: center; padding-top: 18px; padding-bottom: 18px; text-align: center; }
}
/* Theme cũ chừa 55px cho menu nổi trên di động; header mới nằm trong luồng nên bỏ khoảng này. */
@media (max-width: 450px) {
	.cb-site .bg-header { padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
	.cb-header *, .cb-footer * { transition: none !important; }
}

/* Dải tiêu đề trang con: cùng kiểu với ảnh bìa trang Địa điểm khi chưa có ảnh (nền xanh chuyển sắc, chữ trắng canh trái, breadcrumb phía trên). */
.cb-site .bg-header.hero_page { position: relative; padding: 0; overflow: hidden; background: linear-gradient(120deg, #1a4580 0%, #21549b 45%, #3f8fc4 100%); }
.cb-site .bg-header.hero_page::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(900px 420px at 88% 0, rgba(99, 206, 232, .32), transparent 70%); }
.cb-site .hero_page > .row { position: relative; z-index: 1; max-width: calc(var(--cb-max) + 2 * var(--cb-gutter)); margin: 0 auto; padding: 44px var(--cb-gutter) 54px !important; }
.cb-site .hero_page .brc { display: flex; flex-direction: column-reverse; align-items: flex-start; padding: 0; text-align: left !important; font-family: var(--cb-font); }
.cb-site .hero_page h1, .cb-site .hero_page .top-heading, .cb-site .hero_page .top-heading.hdv-hero-title { margin: 0; font-family: var(--cb-font); font-size: clamp(34px, 5vw, 64px); font-weight: 700 !important; line-height: 1.15; letter-spacing: -.01em; color: #fff !important; text-shadow: 0 2px 18px rgba(0, 0, 0, .28); animation: none; }
.cb-site .hero_page .brc > nav, .cb-site .hero_page .brc > p { margin: 0 0 22px; }
.cb-site .hero_page .brc p { margin: 0; }
.cb-site .hero_page .brc, .cb-site .hero_page .brc p, .cb-site .hero_page .brc span, .cb-site .hero_page .brc a { font-size: 14px; font-weight: 400; line-height: 1.5; color: rgba(255, 255, 255, .88) !important; }
.cb-site .hero_page .brc a:hover { color: var(--cb-cyan) !important; }