/* ==========================================================================
   Giáo dục mẫu 04 – "Nexa Online": học viện trực tuyến hiện đại.
   Nền tối #070b17 / #0b1020 + quầng sáng tím #7c3aed – cyan #22d3ee, kính mờ.
   Tiêu đề Unbounded (khối rộng, dùng cỡ vừa phải), nội dung Inter.
   Tương phản: chữ nhấn #6d28d9 trên nền sáng (≈ 7:1); nút tím nhạt #c4b5fd dùng
   chữ #0b1020 (≈ 11:1); chữ phụ #555a73 trên nền sáng (≈ 6,5:1); chữ trắng chỉ
   đặt trên nền tối.
   ========================================================================== */

:root {
  --dl-ink: #0b1020;
  --dl-ink-2: #141a33;
  --dl-ink-3: #1c2447;
  --dl-deep: #070b17;
  --dl-gold: #c4b5fd;
  --dl-gold-hover: #d6cbfe;
  --dl-gold-deep: #6d28d9;
  --dl-gold-soft: #ddd6fe;
  --dl-violet: #7c3aed;
  --dl-cyan: #22d3ee;
  --dl-ivory: #f7f7fc;
  --dl-sand: #eeeefb;
  --dl-text: #1d2136;
  --dl-muted: #555a73;
  --dl-line: #e2e2f3;
  --dl-serif: "Unbounded", "Inter", system-ui, sans-serif;
  --dl-sans: var(--vs-font, "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
  --dl-radius: 20px;
  --dl-radius-sm: 14px;
  --dl-shadow: 0 30px 60px -32px rgba(11, 16, 32, .45);
  --dl-shadow-sm: 0 14px 30px -20px rgba(11, 16, 32, .35);
  --dl-grad: linear-gradient(100deg, #7c3aed 0%, #22d3ee 100%);
  --dl-night: radial-gradient(ellipse at 15% 0%, rgba(124, 58, 237, .28), transparent 55%), radial-gradient(ellipse at 90% 100%, rgba(34, 211, 238, .18), transparent 55%), #070b17;
  --dl-dotgrid: radial-gradient(rgba(196, 181, 253, .16) 1px, transparent 1.4px);
}

body.dl-site { background: var(--dl-ivory); font-size: 15.5px; }
.dl-site .dl-title { font-weight: 500; letter-spacing: -.02em; line-height: 1.16; font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
/* Chữ nhấn: chuyển màu tím → cyan */
.dl-site .dl-title em, .dl-site .dl-band__title em { font-style: normal; color: var(--dl-gold-deep); background: linear-gradient(90deg, #6d28d9, #0e7490); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.dl-site .dl-title--light em, .dl-site .dl-phero__title em, .dl-site .dl-offer__title em, .dl-site .dl-footer__title em, .dl-site .dl-article__cta h2 em, .dl-site .dl-nx__title em, .dl-gallery .dl-title em { font-style: normal; color: var(--dl-gold); background: linear-gradient(90deg, #c4b5fd 0%, #67e8f9 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.dl-site .dl-eyebrow { color: var(--dl-gold-deep); letter-spacing: .18em; font-weight: 700; font-size: .7rem; }
.dl-site .dl-eyebrow::before, .dl-head--center .dl-eyebrow::after, .dl-intro .dl-eyebrow::after { width: 22px; height: 2px; border-radius: 2px; background: var(--dl-grad); }
.dl-site .dl-eyebrow--light { color: var(--dl-gold-soft); }
.dl-site .dl-lead { line-height: 1.8; }
/* Tiêu đề nhỏ dùng Inter đậm cho dễ đọc */
.dl-site .dl-tour__title, .dl-group__name, .dl-site .dl-perk h3, .dl-site .dl-steps__list h3, .dl-site .dl-value h3, .dl-member strong, .dl-site .dl-inc__col h3, .dl-site .dl-itin__title, .dl-site .dl-post__title, .dl-site .dl-tblock__sub { font-family: var(--dl-sans); font-weight: 700; letter-spacing: -.01em; }

/* Nút */
.dl-site .dl-btn { border-radius: 12px; letter-spacing: .04em; text-transform: none; font-weight: 700; font-size: .9rem; }
.dl-site .dl-btn--dark { background: var(--dl-ink); color: #fff; }
.dl-site .dl-btn--dark:hover { background: var(--dl-violet); color: #fff; box-shadow: 0 14px 30px -14px rgba(124, 58, 237, .8); }
.dl-site .dl-btn--gold { background: var(--dl-gold); color: var(--dl-ink); }
.dl-site .dl-btn--gold:hover { background: var(--dl-gold-hover); color: var(--dl-ink); box-shadow: 0 0 0 6px rgba(196, 181, 253, .2), 0 18px 34px -14px rgba(124, 58, 237, .8); }
.dl-site .dl-btn--ghost { border-radius: 12px; border-color: rgba(196, 181, 253, .45); }
.dl-site .dl-btn--line { border-color: var(--dl-ink); color: var(--dl-ink); }
.dl-site .dl-btn--line:hover { background: var(--dl-ink); color: #fff; }
.dl-site .dl-link { color: var(--dl-ink); border-bottom: 2px solid var(--dl-violet); }
.dl-site .dl-link:hover { color: var(--dl-gold-deep); }
.dl-round { border-radius: 12px; background: #fff; border-color: var(--dl-line); color: var(--dl-ink); }
.dl-round:hover { background: var(--dl-ink); border-color: var(--dl-ink); }

/* ---------- Header: trong suốt trên hero tối, tối đặc ở trang con ---------- */
.dl-topbar { border-bottom-color: rgba(196, 181, 253, .12); }
.dl-topbar__note .dl-ico, .dl-topbar__list .dl-ico { color: var(--dl-cyan); }
.dl-header--solid { background: var(--dl-ink); }
.dl-header.is-scrolled { background: rgba(7, 11, 23, .84); box-shadow: 0 1px 0 rgba(196, 181, 253, .12), 0 18px 40px -22px rgba(0, 0, 0, .6); }
.dl-logo__mark { border: 0; border-radius: 12px; background: var(--dl-grad); color: #fff; font-family: var(--dl-serif); font-style: normal; font-weight: 600; font-size: 1.35rem; box-shadow: 0 8px 24px -8px rgba(124, 58, 237, .8); }
.dl-logo__text strong { font-weight: 600; font-size: 1.32rem; letter-spacing: -.02em; }
.dl-logo__text small { color: var(--dl-gold-soft); letter-spacing: .3em; font-weight: 600; }
.dl-menu a { font-family: var(--dl-sans); font-weight: 600; letter-spacing: 0; font-size: .9rem; }
.dl-menu > li > a:hover, .dl-menu > .current-menu-item > a { color: var(--dl-gold); }
.dl-menu > li > a::after { background: var(--dl-grad); height: 2px; border-radius: 2px; }
.dl-menu > .current-menu-ancestor > a::after, .dl-menu > .current_page_parent > a::after { transform: scaleX(1); }
.dl-menu .sub-menu { background: rgba(11, 16, 32, .96); border: 1px solid rgba(196, 181, 253, .16); border-radius: 16px; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.dl-menu .sub-menu a { font-size: .9rem; }
.dl-menu .sub-menu a:hover { color: var(--dl-gold); }
.dl-bar__phone-ico, .dl-iconbtn, .dl-burger { border-radius: 12px; border-color: rgba(196, 181, 253, .3); }
.dl-iconbtn:hover, .dl-bar__phone:hover .dl-bar__phone-ico { background: var(--dl-gold); border-color: var(--dl-gold); color: var(--dl-ink); }
.dl-site .dl-bar__cta { background: var(--dl-grad); color: #fff; border-radius: 12px; text-transform: none; letter-spacing: .02em; }
.dl-site .dl-bar__cta:hover { background: #fff; color: var(--dl-ink); }
.dl-offcanvas { background: var(--dl-night); }
.dl-offcanvas__close { border-radius: 12px; }
.dl-site .dl-offcanvas__nav a:hover { color: var(--dl-gold); }
.dl-offcanvas .vs-oc-caret { color: var(--dl-gold); }
.dl-overlay { background: rgba(3, 5, 12, .6); }

/* ---------- Hero trực tuyến ---------- */
.dl-nx { position: relative; display: flex; flex-direction: column; min-height: max(760px, 100svh); padding: 170px 0 44px; overflow: hidden; isolation: isolate; background: var(--dl-deep); color: #fff; }
.dl-nx__mesh { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.dl-nx__blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; }
.dl-nx__blob--a { top: -140px; left: -120px; width: 560px; height: 560px; background: #7c3aed; }
.dl-nx__blob--b { top: 20%; right: -160px; width: 520px; height: 520px; background: #22d3ee; opacity: .35; }
.dl-nx__blob--c { bottom: -200px; left: 35%; width: 520px; height: 420px; background: #4f46e5; opacity: .4; }
.dl-nx__dots { position: absolute; inset: 0; z-index: -1; background-image: var(--dl-dotgrid); background-size: 22px 22px; -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 10%, transparent 75%); mask-image: radial-gradient(ellipse at 60% 40%, #000 10%, transparent 75%); }
.dl-nx__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 76px); align-items: center; flex: 1; }
.dl-nx__copy { min-width: 0; animation: dl-rise 1s var(--dl-ease) both; }
.dl-site .dl-nx__pill { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 24px; padding: 8px 16px; border: 1px solid rgba(196, 181, 253, .35); border-radius: 999px; background: rgba(124, 58, 237, .14); font-size: .8rem; font-weight: 600; color: var(--dl-gold-soft); }
.dl-nx__dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; animation: dl-nx-pulse 2s ease-out infinite; }
@keyframes dl-nx-pulse { 0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, .7); } 100% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); } }
.dl-site .dl-nx__title { margin: 0 0 22px; font-family: var(--dl-serif); font-size: clamp(2.3rem, 4.4vw, 3.9rem); font-weight: 600; line-height: 1.1; letter-spacing: -.03em; color: #fff; text-wrap: balance; }
.dl-site .dl-nx__lead { max-width: 560px; margin: 0 0 30px; font-size: 1.05rem; line-height: 1.8; color: rgba(255, 255, 255, .8); }
.dl-nx__search { display: flex; align-items: center; gap: 10px; max-width: 560px; padding: 8px 8px 8px 18px; border: 1px solid rgba(196, 181, 253, .3); border-radius: 16px; background: rgba(255, 255, 255, .07); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); transition: border-color .3s, box-shadow .3s; }
.dl-nx__search:focus-within { border-color: rgba(103, 232, 249, .7); box-shadow: 0 0 0 4px rgba(34, 211, 238, .15); }
.dl-nx__search > .dl-ico { flex: none; width: 20px; height: 20px; color: var(--dl-gold-soft); }
.dl-nx__search input { flex: 1; min-width: 0; height: 46px; padding: 0; border: 0; background: transparent; font: inherit; font-size: 1rem; color: #fff; outline: 0; }
.dl-nx__search input::placeholder { color: rgba(255, 255, 255, .6); }
.dl-nx__search button { display: inline-flex; flex: none; align-items: center; gap: 8px; height: 46px; padding: 0 20px; border: 0; border-radius: 11px; background: var(--dl-grad); font: inherit; font-size: .9rem; font-weight: 700; color: #fff; cursor: pointer; transition: filter .3s, box-shadow .3s; }
.dl-nx__search button:hover { filter: brightness(1.08); box-shadow: 0 12px 28px -10px rgba(124, 58, 237, .9); }
.dl-nx__search button .dl-ico { width: 18px; height: 18px; }
.dl-nx__search .screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.dl-nx__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 560px; margin: 40px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(196, 181, 253, .16); list-style: none; }
.dl-nx__stats strong { display: block; font-family: var(--dl-serif); font-size: 1.9rem; font-weight: 600; line-height: 1; letter-spacing: -.03em; color: #fff; }
.dl-nx__stats strong span { margin-left: 2px; font-size: .95rem; background: var(--dl-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.dl-nx__stats small { display: block; margin-top: 8px; font-size: .8rem; line-height: 1.45; color: rgba(255, 255, 255, .72); }

.dl-nx__visual { position: relative; min-width: 0; padding: 0 0 40px 30px; }
.dl-nx__photo { position: relative; margin: 0; padding: 2px; border-radius: 30px; background: linear-gradient(140deg, rgba(196, 181, 253, .9), rgba(34, 211, 238, .7)); box-shadow: 0 0 90px -20px rgba(124, 58, 237, .7); }
.dl-nx__photo img { display: block; width: 100%; aspect-ratio: 760 / 620; object-fit: cover; border-radius: 28px; }
.dl-nx__live, .dl-nx__prog { position: absolute; z-index: 2; border: 1px solid rgba(196, 181, 253, .28); border-radius: 18px; background: rgba(11, 16, 32, .72); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 24px 48px -24px rgba(0, 0, 0, .7); animation: dl-nx-float 7s ease-in-out infinite; }
.dl-nx__live { top: 22px; left: 0; display: flex; align-items: center; gap: 12px; padding: 10px 16px 10px 10px; }
.dl-nx__badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 8px; background: #e11d48; font-size: .7rem; font-weight: 800; letter-spacing: .1em; color: #fff; }
.dl-nx__badge i { width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: dl-nx-blink 1.4s steps(2, start) infinite; }
@keyframes dl-nx-blink { to { visibility: hidden; } }
.dl-nx__avatars { display: flex; }
.dl-nx__avatars img { width: 32px; height: 32px; border: 2px solid var(--dl-ink); border-radius: 50%; object-fit: cover; }
.dl-nx__avatars img + img { margin-left: -10px; }
.dl-nx__livetext strong { display: block; font-size: .88rem; font-weight: 700; line-height: 1.25; }
.dl-nx__livetext small { display: block; font-size: .74rem; color: rgba(255, 255, 255, .72); white-space: nowrap; }
.dl-nx__prog { right: -10px; bottom: 0; width: 260px; padding: 16px 18px; animation-delay: -3s; }
.dl-nx__progtop { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.dl-nx__progtop .dl-ico { width: 18px; height: 18px; color: var(--dl-cyan); }
.dl-nx__progtop strong { flex: 1; font-size: .86rem; font-weight: 600; }
.dl-nx__progtop b { font-family: var(--dl-serif); font-size: 1rem; font-weight: 600; color: var(--dl-gold); }
.dl-nx__track { display: block; height: 8px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, .12); }
.dl-nx__track span { display: block; height: 100%; border-radius: 999px; background: var(--dl-grad); box-shadow: 0 0 14px rgba(34, 211, 238, .7); }
.dl-nx__prog small { display: block; margin-top: 10px; font-size: .74rem; color: rgba(255, 255, 255, .7); }
@keyframes dl-nx-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.dl-nx__bar { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: clamp(40px, 6vw, 70px); overflow: hidden; border: 1px solid rgba(196, 181, 253, .18); border-radius: 20px; background: rgba(255, 255, 255, .05); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.dl-site .dl-nx__tab { display: flex; align-items: center; gap: 14px; min-width: 0; padding: 20px 18px; color: #fff; text-decoration: none; transition: background .35s; }
.dl-nx__tab + .dl-nx__tab { border-left: 1px solid rgba(196, 181, 253, .14); }
.dl-site .dl-nx__tab:hover { background: rgba(124, 58, 237, .16); }
.dl-nx__tabico { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border: 1px solid rgba(196, 181, 253, .4); border-radius: 12px; color: var(--dl-gold); transition: all .35s; }
.dl-nx__tab:hover .dl-nx__tabico { background: var(--dl-grad); border-color: transparent; color: #fff; }
.dl-nx__tabico .dl-ico { width: 21px; height: 21px; }
.dl-nx__tab strong { display: block; font-size: .95rem; font-weight: 700; line-height: 1.3; }
.dl-nx__tab small { font-size: .74rem; color: rgba(255, 255, 255, .68); }

/* ---------- Chương trình: thẻ kính tối, viền chuyển màu khi hover ---------- */
.dl-groups { background: var(--dl-ivory); }
.dl-groups__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.dl-site .dl-group { position: relative; display: flex; flex-direction: column; padding: 10px 10px 20px; border: 1px solid transparent; border-radius: 22px; background: linear-gradient(var(--dl-ink), var(--dl-ink)) padding-box, linear-gradient(140deg, rgba(196, 181, 253, .25), rgba(34, 211, 238, .15)) border-box; color: #fff; text-decoration: none; transition: transform .4s var(--dl-ease), box-shadow .4s, background .4s; }
.dl-site .dl-group:hover { transform: translateY(-6px); background: linear-gradient(var(--dl-ink-2), var(--dl-ink-2)) padding-box, linear-gradient(140deg, #7c3aed, #22d3ee) border-box; box-shadow: 0 30px 50px -28px rgba(11, 16, 32, .8), 0 0 40px -10px rgba(124, 58, 237, .6); }
.dl-group__img { position: relative; display: block; overflow: hidden; border-radius: 16px; aspect-ratio: 4 / 3.4; }
.dl-group__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 16, 32, 0) 55%, rgba(11, 16, 32, .5)); }
.dl-group__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--dl-ease); }
.dl-group:hover .dl-group__img img { transform: scale(1.07); }
.dl-group__name { margin: 16px 8px 6px; font-size: 1rem; line-height: 1.3; }
.dl-group__count { display: inline-flex; align-items: center; gap: 6px; margin: 0 8px; font-size: .76rem; font-weight: 700; color: #67e8f9; }
.dl-group__count .dl-ico { width: 14px; height: 14px; transition: transform .3s; }
.dl-group:hover .dl-group__count .dl-ico { transform: translateX(4px); }

/* ---------- Khối trang chủ ---------- */
.dl-about { background: #fff; }
.dl-about__media .dl-about__main { border-radius: 26px; }
.dl-about__main img { aspect-ratio: 4 / 4.8; }
.dl-about__media .dl-about__sub { border-color: #fff; border-radius: 20px; }
.dl-about__badge { background: var(--dl-night); box-shadow: 0 0 0 6px rgba(124, 58, 237, .18); }
.dl-about__badge::before { border-color: rgba(196, 181, 253, .5); }
.dl-about__badge strong { font-family: var(--dl-serif); font-size: 2.4rem; color: var(--dl-gold); }
.dl-checks .dl-ico { background: var(--dl-sand); color: var(--dl-gold-deep); }
.dl-stats strong { color: var(--dl-ink); font-weight: 600; letter-spacing: -.03em; }

.dl-tours { background: var(--dl-ivory); }
.dl-tour { background: #fff; border: 1px solid var(--dl-line); border-radius: 22px; box-shadow: none; transition: border-color .35s, box-shadow .35s, transform .35s var(--dl-ease); }
.dl-tour:hover { border-color: rgba(124, 58, 237, .5); box-shadow: 0 0 0 4px rgba(124, 58, 237, .1), var(--dl-shadow); }
.dl-tour__media { border-radius: 16px; }
.dl-tour__badge { background: var(--dl-grad); color: #fff; border-radius: 8px; text-transform: none; letter-spacing: .02em; }
.dl-tour__dur { background: rgba(11, 16, 32, .8); border-radius: 8px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.dl-tour__dur .dl-ico { color: #67e8f9; }
.dl-site .dl-tour__place { color: var(--dl-gold-deep); }
.dl-site .dl-tour__title { font-size: 1.12rem; margin-bottom: 10px; }
.dl-site .dl-tour__title a:hover { color: var(--dl-gold-deep); }
.dl-site .dl-svc__excerpt { margin: 0 0 18px; font-size: .9rem; line-height: 1.7; color: var(--dl-muted); }
.dl-tour__rating .dl-ico { color: #e8a317; }
.dl-tour__price strong { font-family: var(--dl-serif); color: var(--dl-ink); font-weight: 600; font-size: 1.15rem; letter-spacing: -.02em; }
.dl-svc__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dl-site .dl-svc__actions .dl-btn { min-height: 46px; padding: 0 14px; font-size: .85rem; }

.dl-steps { background: #fff; }
.dl-steps__list { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 0; padding: 0; list-style: none; }
.dl-steps__list li { position: relative; padding: 28px 24px 26px; border: 1px solid var(--dl-line); border-radius: 20px; background: var(--dl-ivory); transition: border-color .35s, transform .35s var(--dl-ease), box-shadow .35s; }
.dl-steps__list li:hover { border-color: rgba(124, 58, 237, .5); transform: translateY(-4px); box-shadow: var(--dl-shadow-sm); }
.dl-steps__no { display: inline-grid; place-items: center; width: 54px; height: 54px; margin-bottom: 20px; border-radius: 16px; background: var(--dl-grad); font-family: var(--dl-serif); font-size: 1.05rem; font-weight: 600; color: #fff; box-shadow: 0 12px 26px -12px rgba(124, 58, 237, .8); }
.dl-site .dl-steps__list h3 { margin: 0 0 8px; font-size: 1.08rem; color: var(--dl-ink); }
.dl-site .dl-steps__list p { margin: 0; font-size: .9rem; line-height: 1.7; color: var(--dl-muted); }

.dl-exp { background: var(--dl-night); }
.dl-exp::before { background: radial-gradient(circle, rgba(124, 58, 237, .25) 0%, rgba(124, 58, 237, 0) 60%); }
.dl-exp::after { content: ""; position: absolute; inset: 0; z-index: 0; background-image: var(--dl-dotgrid); background-size: 22px 22px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%); mask-image: linear-gradient(90deg, transparent, #000 60%); pointer-events: none; }
.dl-exp__grid, .dl-exp > .dl-container { position: relative; z-index: 1; }
.dl-exp__media > img { border-radius: 26px; box-shadow: 0 0 0 1px rgba(196, 181, 253, .3), 0 40px 80px -40px rgba(124, 58, 237, .6); }
.dl-exp__card { background: #fff; border-radius: 18px; }
.dl-exp__card strong { font-family: var(--dl-serif); color: var(--dl-ink); }
.dl-exp__stars { color: #e8a317; }
.dl-perk__ico { border-radius: 14px; border-color: rgba(196, 181, 253, .4); color: var(--dl-gold); background: rgba(124, 58, 237, .1); }
.dl-perk:hover .dl-perk__ico { background: var(--dl-grad); color: #fff; border-color: transparent; }
.dl-site .dl-perk h3 { font-size: 1.04rem; }
.dl-site .dl-perk p { color: rgba(255, 255, 255, .78); }

.dl-pricing { background: var(--dl-ivory); }
.dl-pricing__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(36px, 6vw, 90px); align-items: start; }
.dl-pricing__intro { position: sticky; top: 120px; }
.dl-pricing__img { margin: 0 0 28px; overflow: hidden; border-radius: 22px; }
.dl-pricing__img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.dl-pricing__lists { padding: clamp(24px, 3vw, 40px); border: 1px solid var(--dl-line); border-radius: 24px; background: #fff; }
.dl-pricing__group + .dl-pricing__group { margin-top: 34px; }
.dl-site .dl-pricing__group h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; padding-bottom: 12px; border-bottom: 1px solid var(--dl-line); font-family: var(--dl-sans); font-size: 1.15rem; font-weight: 700; }
.dl-site .dl-pricing__group h3::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 3px; background: var(--dl-grad); box-shadow: 0 0 10px rgba(124, 58, 237, .6); }
.dl-site .dl-pricing__group h3 a { color: var(--dl-ink); text-decoration: none; }
.dl-plist { margin: 0; padding: 0; list-style: none; }
.dl-plist li { display: flex; align-items: baseline; gap: 12px; padding: 15px 0; border-bottom: 1px solid var(--dl-line); }
.dl-plist li:last-child { border-bottom: 0; }
.dl-site .dl-plist__name { color: var(--dl-ink); font-weight: 600; text-decoration: none; }
.dl-site .dl-plist__name:hover { color: var(--dl-gold-deep); }
.dl-plist__name em { margin-left: 10px; padding: 3px 9px; border-radius: 6px; background: var(--dl-sand); font-size: .64rem; font-style: normal; font-weight: 800; letter-spacing: .04em; color: var(--dl-gold-deep); white-space: nowrap; }
.dl-plist__dur { flex: none; font-size: .8rem; color: var(--dl-muted); }
.dl-plist__dots { flex: 1; min-width: 20px; border-bottom: 1px dashed #c9c9e6; transform: translateY(-4px); }
.dl-plist__price { flex: none; text-align: right; white-space: nowrap; }
.dl-plist__price del { margin-right: 8px; font-size: .8rem; color: var(--dl-muted); }
.dl-plist__price strong { font-family: var(--dl-serif); font-size: 1.02rem; font-weight: 600; letter-spacing: -.02em; color: var(--dl-gold-deep); }

.dl-offer::before { background: linear-gradient(110deg, rgba(7, 11, 23, .92) 0%, rgba(30, 17, 74, .78) 55%, rgba(34, 211, 238, .25) 100%); }
.dl-offer__inner { padding: 52px 32px; border: 1px solid rgba(196, 181, 253, .25); border-radius: 24px; background: rgba(7, 11, 23, .35); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.dl-site .dl-offer__title { font-weight: 600; letter-spacing: -.03em; font-size: clamp(1.9rem, 3.8vw, 3rem); }
.dl-testi { background: #fff; }
.dl-testi__card { border: 1px solid var(--dl-line); border-radius: 22px; box-shadow: none; background: var(--dl-ivory); }
.dl-testi__q { color: var(--dl-violet); }
.dl-testi__stars { color: #e8a317; }
.dl-testi__score > strong { font-family: var(--dl-serif); color: var(--dl-ink); font-weight: 600; letter-spacing: -.03em; }
.dl-site .dl-testi__card blockquote { font-family: var(--dl-sans); font-size: 1.02rem; font-style: normal; font-weight: 500; line-height: 1.75; }
.dl-testi__card figcaption img { border-color: var(--dl-violet); }

.dl-gallery { background: var(--dl-night); }
.dl-gallery .dl-title { color: #fff; }
.dl-gallery .dl-eyebrow { color: var(--dl-gold-soft); }
.dl-gallery__item { border-radius: 18px; box-shadow: 0 0 0 1px rgba(196, 181, 253, .16); }
.dl-gallery__item::after { background: linear-gradient(180deg, transparent 50%, rgba(7, 11, 23, .85)); }
.dl-gallery__item figcaption .dl-ico { color: #67e8f9; }
.dl-journal { background: var(--dl-ivory); }
.dl-post__media { border-radius: 18px; }
.dl-post__cat { background: var(--dl-ink); color: #fff; border-radius: 8px; }
.dl-site .dl-post__title { font-size: 1.15rem; }
.dl-post:hover .dl-post__title { color: var(--dl-gold-deep); }
.dl-post__meta .dl-ico { color: var(--dl-gold-deep); }

.dl-contact__bg::after { background: linear-gradient(100deg, rgba(7, 11, 23, .96) 0%, rgba(20, 16, 60, .86) 48%, rgba(124, 58, 237, .45) 100%); }
.dl-contact__ico { border-radius: 12px; border-color: rgba(196, 181, 253, .5); color: var(--dl-gold); }
.dl-contact__info a:hover { color: var(--dl-gold); }
.dl-form { border-radius: 22px; background: #fff; border-top: 3px solid var(--dl-violet); }
.dl-site .dl-form__title { font-weight: 600; letter-spacing: -.02em; font-size: 1.45rem; }
.dl-field input:not([type="checkbox"]), .dl-field select, .dl-field textarea { border-radius: 12px; background: var(--dl-ivory); }
.dl-field input:focus, .dl-field select:focus, .dl-field textarea:focus { border-color: var(--dl-violet); box-shadow: 0 0 0 4px rgba(124, 58, 237, .14); }
.dl-consent input { accent-color: var(--dl-violet); }
.dl-form__micro .dl-ico { color: var(--dl-gold-deep); }

.dl-footer { background: var(--dl-deep); background-image: radial-gradient(ellipse at 0% 0%, rgba(124, 58, 237, .2), transparent 50%); }
.dl-site .dl-footer__title { font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.dl-site .dl-footer h3 { color: var(--dl-gold); }
.dl-footer__contact .dl-ico { color: #67e8f9; }
.dl-footer__socials a { border-radius: 12px; }
.dl-footer__socials a:hover { background: var(--dl-gold); border-color: var(--dl-gold); color: var(--dl-ink); }
.dl-footer__legal a:hover { color: var(--dl-gold); }
.dl-top { border-radius: 12px; background: var(--dl-grad); color: #fff; }
.dl-top:hover { background: #fff; color: var(--dl-ink); }

/* ---------- Trang con ---------- */
.dl-phero__bg::after { background: linear-gradient(90deg, rgba(7, 11, 23, .92) 0%, rgba(20, 16, 60, .72) 55%, rgba(124, 58, 237, .3) 100%), linear-gradient(0deg, rgba(7, 11, 23, .55) 0%, rgba(7, 11, 23, 0) 50%); }
.dl-phero::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: var(--dl-dotgrid); background-size: 22px 22px; -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%); mask-image: linear-gradient(90deg, #000, transparent 70%); pointer-events: none; }
.dl-site .dl-phero__title { font-weight: 600; letter-spacing: -.03em; font-size: clamp(2rem, 4.2vw, 3.3rem); line-height: 1.14; }
.dl-crumbs a:hover { color: var(--dl-gold); }
.dl-phero__facts li { border-radius: 12px; }
.dl-phero__facts .dl-ico { border-radius: 10px; background: var(--dl-gold); color: var(--dl-ink); }
.dl-phero__meta .dl-ico { color: var(--dl-gold); }
.dl-sform input, .dl-sform button { border-radius: 12px; }
.dl-sform button { background: var(--dl-grad); }
.dl-filter { border: 1px solid var(--dl-line); border-radius: 20px; }
.dl-filter--2 { grid-template-columns: repeat(2, minmax(0, 1fr)) auto; }
.dl-filter__field label { color: var(--dl-gold-deep); }
.dl-filter select { border-radius: 12px; background: var(--dl-ivory); }
.dl-chips--center { justify-content: center; }
.dl-site .dl-chip { border-radius: 10px; }
.dl-site .dl-chip:hover, .dl-site .dl-chip.is-active { background: var(--dl-ink); border-color: var(--dl-ink); color: #fff; }
.dl-site .dl-pager .page-numbers { border-radius: 12px; }
.dl-site .dl-pager .page-numbers.current, .dl-site .dl-pager a.page-numbers:hover { background: var(--dl-ink); border-color: var(--dl-ink); }
.dl-band { background: var(--dl-sand); }
.dl-site .dl-band__title { font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.4rem, 2.6vw, 2rem); }
.dl-site .dl-band p { color: #474b63; }
.dl-empty { border-radius: 20px; }
.dl-empty > .dl-ico { color: var(--dl-gold-deep); }

.dl-thead { background: linear-gradient(180deg, var(--dl-sand) 0%, var(--dl-ivory) 100%); }
.dl-site .dl-thead__title { font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.8rem, 3.6vw, 2.8rem); line-height: 1.15; }
.dl-site .dl-tblock__title { font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.dl-site .dl-tag { border-radius: 8px; }
.dl-site .dl-tag--gold { background: var(--dl-grad); border-color: transparent; color: #fff; }
.dl-stars .is-on { color: #e8a317; }
.dl-thead__meta > li > .dl-ico { color: var(--dl-gold-deep); }
.dl-tgal__item { border-radius: 14px; }
.dl-tgal__item:first-child { border-radius: 22px 14px 14px 22px; }
.dl-tgal__all { border-radius: 10px; }
.dl-subnav { background: rgba(247, 247, 252, .95); }
.dl-site .dl-subnav a:hover, .dl-site .dl-subnav a.is-active { color: var(--dl-ink); border-color: var(--dl-violet); }
.dl-site .dl-subnav a.dl-subnav__cta { color: var(--dl-gold-deep); }
.dl-facts > div, .dl-inc__col, .dl-itin details, .dl-value, .dl-postnav a { border-radius: 16px !important; }
.dl-highlights li { border-radius: 14px; background: var(--dl-sand); }
.dl-highlights .dl-ico { color: var(--dl-gold-deep); }
.dl-itin li::before { border-color: var(--dl-violet); background: #fff; }
.dl-itin__day { border-radius: 8px; background: var(--dl-ink); color: var(--dl-gold); }
.dl-itin__caret { color: var(--dl-gold-deep); }
.dl-inc .dl-ico { background: var(--dl-sand); color: var(--dl-gold-deep); }
.dl-inc__col--note .dl-ico { background: #e0f7fb; color: #0e7490; }
.dl-pricebox { border-radius: 22px; border-top: 3px solid var(--dl-violet); }
.dl-pricebox__badge { border-radius: 8px; background: var(--dl-ink); color: var(--dl-gold); }
.dl-pricebox__price strong { font-family: var(--dl-serif); color: var(--dl-ink); font-weight: 600; letter-spacing: -.02em; }
.dl-pricebox__facts .dl-ico, .dl-notes .dl-ico { color: var(--dl-gold-deep); }
.dl-pricebox__trust .dl-ico { color: var(--dl-gold-deep); }
.dl-textbtn, .dl-prose a { color: var(--dl-gold-deep); }
.dl-site .dl-prose h2, .dl-site .dl-prose h3 { font-weight: 600; letter-spacing: -.02em; }
.dl-site .dl-prose h2 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
.dl-prose ul li::marker { color: var(--dl-violet); }
.dl-prose blockquote { border-left-color: var(--dl-violet); }

/* Trang học phí */
.dl-pricepage__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; margin-top: 12px; }
.dl-pricecard { padding: clamp(22px, 3vw, 34px); border: 1px solid var(--dl-line); border-radius: 22px; background: #fff; scroll-margin-top: 120px; transition: border-color .35s, box-shadow .35s; }
.dl-pricecard:hover { border-color: rgba(124, 58, 237, .5); box-shadow: 0 0 0 4px rgba(124, 58, 237, .08); }
.dl-pricecard__head { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; padding-bottom: 20px; border-bottom: 1px solid var(--dl-line); }
.dl-pricecard__img { flex: none; width: 72px; height: 72px; overflow: hidden; border-radius: 16px; box-shadow: 0 0 0 2px var(--dl-gold); }
.dl-pricecard__img img { width: 100%; height: 100%; object-fit: cover; }
.dl-site .dl-pricecard h2 { margin: 0 0 2px; font-family: var(--dl-serif); font-size: 1.3rem; font-weight: 600; line-height: 1.25; letter-spacing: -.02em; }
.dl-site .dl-pricecard h2 a { color: var(--dl-ink); text-decoration: none; }
.dl-site .dl-pricecard__head p { margin: 0; font-size: .88rem; color: var(--dl-muted); }
.dl-pricepage__notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 40px 0 0; padding: 26px; border-radius: 22px; background: var(--dl-night); color: rgba(255, 255, 255, .86); list-style: none; font-size: .92rem; }
.dl-pricepage__notes li { display: flex; gap: 10px; align-items: flex-start; }
.dl-pricepage__notes .dl-ico { flex: none; width: 22px; height: 22px; padding: 4px; margin-top: 1px; border-radius: 8px; background: var(--dl-gold); color: var(--dl-ink); }

.dl-statband { background: var(--dl-night); }
.dl-statband strong { color: var(--dl-gold); font-weight: 600; letter-spacing: -.03em; font-size: clamp(2rem, 3.6vw, 2.9rem); }
.dl-values { background: var(--dl-ivory); }
.dl-value { background: #fff; border: 1px solid var(--dl-line); }
.dl-value .dl-perk__ico, .dl-infocard .dl-perk__ico { border-radius: 14px; background: var(--dl-sand); border: 0; color: var(--dl-gold-deep); }
.dl-value__no { color: var(--dl-sand); font-family: var(--dl-serif); font-style: normal; font-weight: 600; }
.dl-timeline { background: #fff; }
.dl-timeline__list::before { background: var(--dl-grad); }
.dl-timeline__list li::before { border-color: var(--dl-violet); background: #fff; box-shadow: 0 0 10px rgba(124, 58, 237, .5); }
.dl-timeline__year { font-family: var(--dl-serif); color: var(--dl-gold-deep); font-weight: 600; letter-spacing: -.02em; }
.dl-team { background: var(--dl-ivory); }
.dl-member__img { border-radius: 22px; }
.dl-member__img img { filter: none; }
.dl-infocard { border-radius: 20px !important; }
.dl-infocard strong { font-weight: 700; }
.dl-faqmini { background: var(--dl-sand); }
.dl-faq details { border-radius: 16px; }
.dl-faq__caret { color: var(--dl-gold-deep); }
.dl-faqpage__help { border-radius: 22px; background: var(--dl-night); }
.dl-site .dl-faqgroup h2 { font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
.dl-article { background: #fff; }
.dl-article__cta { border-radius: 22px; background: var(--dl-night); }
.dl-site .dl-article__cta h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
.dl-postnav small, .dl-updated .dl-ico { color: var(--dl-gold-deep); }
.dl-site .dl-share a { border-radius: 12px; }
.dl-site .dl-share a:hover { background: var(--dl-ink); border-color: var(--dl-ink); }

@media (max-width: 767px) {
  .dl-mobilebar { background: var(--dl-deep); border-top: 1px solid rgba(196, 181, 253, .14); }
  .dl-mobilebar a .dl-ico { color: var(--dl-gold); }
  .dl-site .dl-mobilebar a.is-primary { background: var(--dl-grad); color: #fff; }
  .dl-mobilebar a.is-primary .dl-ico { color: #fff; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .dl-nx__bar { grid-template-columns: repeat(3, 1fr); }
  .dl-nx__tab:nth-child(4) { border-left: 0; }
  .dl-nx__tab:nth-child(n+4) { border-top: 1px solid rgba(196, 181, 253, .14); }
  .dl-nx__prog { right: 0; }
  .dl-groups__grid { grid-template-columns: repeat(3, 1fr); }
  .dl-filter--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1023px) {
  .dl-nx { padding-top: 150px; min-height: 0; }
  .dl-nx__inner { grid-template-columns: 1fr; }
  .dl-nx__visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .dl-pricing__grid { grid-template-columns: 1fr; }
  .dl-pricing__intro { position: static; }
  .dl-steps__list { grid-template-columns: repeat(2, 1fr); }
  .dl-pricepage__grid, .dl-pricepage__notes { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  body.dl-site { font-size: 15px; }
  .dl-site .dl-title { font-size: 1.6rem; }
  .dl-nx { padding: 120px 0 28px; }
  .dl-nx__blob--a { width: 340px; height: 340px; }
  .dl-nx__blob--b { width: 300px; height: 300px; right: -120px; }
  .dl-nx__blob--c { width: 300px; height: 260px; }
  .dl-site .dl-nx__title { font-size: 2rem; }
  .dl-site .dl-nx__pill { font-size: .74rem; }
  .dl-site .dl-nx__lead { font-size: 1rem; }
  .dl-nx__search { flex-wrap: wrap; padding: 8px; }
  .dl-nx__search > .dl-ico { margin-left: 8px; }
  .dl-nx__search input { height: 42px; }
  .dl-nx__search button { flex: 1 1 100%; justify-content: center; }
  .dl-nx__stats { gap: 10px; margin-top: 30px; padding-top: 20px; }
  .dl-nx__stats strong { font-size: 1.35rem; }
  .dl-nx__stats strong span { font-size: .75rem; }
  .dl-nx__stats small { font-size: .72rem; }
  .dl-nx__visual { padding: 0 0 56px; }
  .dl-nx__photo { border-radius: 22px; }
  .dl-nx__photo img { border-radius: 20px; }
  .dl-nx__live { top: -18px; left: 10px; gap: 8px; padding: 7px 12px 7px 7px; border-radius: 14px; }
  .dl-nx__badge { padding: 4px 7px; font-size: .62rem; }
  .dl-nx__avatars img { width: 26px; height: 26px; }
  .dl-nx__livetext strong { font-size: .78rem; }
  .dl-nx__livetext small { font-size: .66rem; }
  .dl-nx__prog { right: 10px; bottom: 0; width: 220px; padding: 12px 14px; border-radius: 14px; }
  .dl-nx__progtop strong { font-size: .78rem; }
  .dl-nx__bar { grid-template-columns: 1fr 1fr; margin-top: 36px; border-radius: 16px; }
  .dl-site .dl-nx__tab { gap: 10px; padding: 14px 12px; }
  .dl-nx__tab:nth-child(odd) { border-left: 0; }
  .dl-nx__tab:nth-child(4) { border-left: 1px solid rgba(196, 181, 253, .14); }
  .dl-nx__tab:nth-child(n+3) { border-top: 1px solid rgba(196, 181, 253, .14); }
  .dl-nx__tab:last-child { grid-column: 1 / -1; justify-content: center; }
  .dl-nx__tabico { width: 36px; height: 36px; border-radius: 10px; }
  .dl-nx__tab strong { font-size: .86rem; }
  .dl-groups__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .dl-site .dl-group { padding: 8px 8px 16px; border-radius: 16px; }
  .dl-group__name { margin: 12px 6px 4px; font-size: .92rem; }
  .dl-group__count { margin: 0 6px; font-size: .7rem; }
  .dl-steps__list { grid-template-columns: 1fr; }
  .dl-plist li { flex-wrap: wrap; gap: 4px 10px; }
  .dl-plist__name { flex: 1 1 100%; }
  .dl-plist__dots { order: 2; }
  .dl-plist__dur { order: 1; }
  .dl-plist__price { order: 3; }
  .dl-pricecard__img { width: 56px; height: 56px; }
  .dl-site .dl-pricecard h2 { font-size: 1.1rem; }
  .dl-filter--2 { grid-template-columns: 1fr; }
  .dl-offer__inner { padding: 36px 18px; }
  .dl-site .dl-offer__title { font-size: 1.7rem; }
  .dl-site .dl-phero__title { font-size: 1.85rem; }
  .dl-site .dl-thead__title { font-size: 1.6rem; }
  .dl-site .dl-footer__title { font-size: 1.45rem; }
  .dl-about__badge strong { font-size: 1.9rem; }
  .dl-statband__grid > div { min-width: 0; }
  .dl-site .dl-statband strong { font-size: clamp(1.7rem, 8.5vw, 2.3rem); }
}

/* Số liệu: tránh chen chúc 4 cột */
.dl-site .dl-stats strong { font-size: clamp(1.45rem, 2.1vw, 1.95rem); letter-spacing: -.02em; }

/* Header: không xuống dòng ở menu, hotline, nút đăng ký */
.dl-menu a, .dl-site .dl-bar__cta, .dl-site .dl-bar__phone, .dl-bar__phone small { white-space: nowrap; }

/* Giá dài (Unbounded rộng): cho xuống dòng, thu nhỏ trên điện thoại */
.dl-pricebox__price { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 4px; }
@media (max-width: 767px) { .dl-site .dl-pricebox__price strong { font-size: 1.6rem; } }