/* Trang chủ. Selector dưới .ph. */

.ph { font-family: var(--postum-font); color: var(--postum-text); line-height: 1.65; }
.ph *, .ph *::before, .ph *::after { box-sizing: border-box; }
.ph [hidden] { display: none !important; }
.ph ul { list-style: none; margin: 0; padding: 0; }
.ph p { margin: 0; }
.ph a { color: var(--postum-primary); }
.ph :focus-visible { outline: none; box-shadow: var(--pt-focus); border-radius: 6px; }
.ph h1, .ph h2, .ph h3 { font-family: var(--postum-font-display); color: var(--postum-heading); line-height: 1.2; letter-spacing: -0.01em; margin: 0; }
.ph h2 { font-size: var(--pt-h2); font-weight: 700; }
.ph-wrap { max-width: var(--pt-container); margin-inline: auto; padding-inline: var(--pt-gutter); }

.ph .ph-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 var(--pt-s6); border: 0; border-radius: var(--postum-radius-btn); background: var(--postum-accent); color: var(--postum-on-accent); font: 600 1rem/1 var(--postum-font); cursor: pointer; text-decoration: none; }
.ph .ph-btn:hover { background: var(--postum-accent-hover); }
.ph .ph-btn[disabled] { opacity: .6; cursor: progress; }
.ph .ph-link { font-weight: 600; font-size: var(--pt-text-sm); }

/* Dải H1 màu cam dưới header */
.ph-strip { background: var(--postum-accent); color: #fff; font-size: 0.8125rem; }
.ph-strip .ph-wrap { display: flex; align-items: center; justify-content: space-between; gap: var(--pt-s4); min-height: 40px; padding-block: 6px; }
.ph .ph-strip h1 { margin: 0; font: 600 0.8125rem/1.35 var(--postum-font); letter-spacing: 0; color: #fff; }
.ph-strip a { display: inline-flex; align-items: center; gap: 6px; flex: none; color: #fff; font-weight: 700; text-decoration: none; }
.ph-strip a:hover { text-decoration: underline; }
.ph-eyebrow-o { display: block; margin: 0; font: 700 0.6875rem/1.2 var(--postum-font); letter-spacing: .12em; text-transform: uppercase; color: var(--postum-accent); }

/* Hero bento: slide lớn bên trái, hai thẻ tour nổi bật bên phải */
.ph-hero { padding: var(--pt-s5) 0 var(--pt-s9); background: radial-gradient(circle at 85% 8%, rgba(255, 183, 112, .23), rgba(0, 0, 0, 0) 28%), linear-gradient(#F8FCFF, #EDF6FB); }
.ph-bento { display: grid; gap: var(--pt-s4); }
.ph-hero-media { position: relative; min-height: 380px; border-radius: 24px; background: var(--postum-brand-navy); overflow: hidden; box-shadow: 0 18px 40px rgba(3, 59, 109, .18); }
.ph-hero-media > .ph-hero-img, .ph-slide-img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.ph-slides { position: absolute; inset: 0; }
.ph-slide { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transition: opacity .7s ease, visibility 0s .7s; }
.ph-slide.is-active { opacity: 1; visibility: visible; transition: opacity .7s ease; z-index: 1; }
.ph-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 40, 76, .82) 0%, rgba(3, 40, 76, .45) 55%, rgba(3, 40, 76, .05) 100%), linear-gradient(0deg, rgba(3, 40, 76, .55), rgba(3, 40, 76, 0) 45%); pointer-events: none; }
.ph-slide figcaption { position: absolute; z-index: 2; left: var(--pt-s6); right: var(--pt-s6); bottom: 72px; display: grid; gap: var(--pt-s2); justify-items: start; max-width: 560px; color: #fff; }
.ph-slide figcaption strong { font: 700 clamp(1.75rem, 1.1rem + 2.4vw, 3rem)/1.1 var(--postum-font-display); letter-spacing: -.01em; }
.ph-slide-text { font-size: 1rem; color: #E8F1FA; max-width: 46ch; }
.ph-slide-actions { display: flex; flex-wrap: wrap; gap: var(--pt-s3); margin-top: var(--pt-s3); }
.ph .ph-slide-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--pt-s5); border-radius: 12px; background: var(--postum-accent); color: var(--postum-on-accent); font-weight: 700; font-size: 0.9375rem; text-decoration: none; }
.ph .ph-slide-link:hover { background: var(--postum-accent-hover); }
.ph .ph-slide-link--glass { background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .45); color: #fff; backdrop-filter: blur(6px); }
.ph .ph-slide-link--glass:hover { background: rgba(255, 255, 255, .28); }

.ph-hero-ctrl { position: absolute; z-index: 3; left: var(--pt-s6); right: var(--pt-s6); bottom: var(--pt-s4); display: flex; align-items: center; gap: var(--pt-s2); }
.ph-dots { display: flex; gap: 2px; margin-right: auto; }
.ph .ph-dot { position: relative; width: 36px; height: 44px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.ph .ph-dot::after { content: ""; position: absolute; left: 3px; right: 3px; top: 50%; height: 4px; margin-top: -2px; border-radius: 2px; background: rgba(255, 255, 255, .45); }
.ph .ph-dot[aria-current="true"]::after { background: var(--postum-accent); }
.ph .ph-arrow { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 50%; background: rgba(255, 255, 255, .14); color: #fff; cursor: pointer; }
.ph .ph-arrow:hover { background: rgba(255, 255, 255, .3); }
.ph .ph-hero :focus-visible { box-shadow: 0 0 0 3px var(--postum-brand-navy), 0 0 0 5px #fff; }

.ph-side { display: grid; gap: var(--pt-s4); }
.ph-side-card { position: relative; display: block; min-height: 190px; border-radius: 20px; overflow: hidden; background: var(--postum-brand-navy); color: #fff; text-decoration: none; box-shadow: 0 12px 28px rgba(3, 59, 109, .14); }
.ph-side-card img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ph-side-card:hover img { transform: scale(1.04); }
.ph-side-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3, 40, 76, .88), rgba(3, 40, 76, .1) 70%); }
.ph-side-copy { position: absolute; z-index: 1; left: var(--pt-s5); right: var(--pt-s5); bottom: var(--pt-s4); display: grid; gap: 4px; }
.ph-side-copy strong { font: 700 1.125rem/1.3 var(--postum-font-display); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ph-side-copy em { display: inline-flex; align-items: center; gap: 6px; font-style: normal; font-size: 0.8125rem; font-weight: 600; color: #E8F1FA; }
@media (min-width: 640px) { .ph-side { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) {
    .ph-bento { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
    .ph-hero-media { min-height: 460px; }
    .ph-side { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
}
@media (max-width: 639px) { .ph-slide figcaption { left: var(--pt-s4); right: var(--pt-s4); bottom: 76px; } .ph-hero-ctrl { left: var(--pt-s4); right: var(--pt-s4); } .ph-strip a { display: none; } }
@media (prefers-reduced-motion: reduce) { .ph-slide, .ph-slide.is-active { transition: none; } .ph-side-card img { transition: none; } }

/* Search panel: nằm đè mép dưới hero, không che chữ */
.ph-search-wrap { position: relative; z-index: 4; margin-top: -48px; }
.ph-search { display: grid; gap: var(--pt-s3); padding: var(--pt-s4); background: #fff; border: 1px solid var(--postum-border); border-radius: var(--postum-radius-card); box-shadow: var(--postum-shadow-lg); }
.ph-field { display: grid; gap: 6px; min-width: 0; }
.ph-field label { font-size: var(--pt-text-sm); font-weight: 600; color: var(--postum-heading); }
.ph .ph-field input, .ph .ph-field select { width: 100%; min-height: 52px; padding: 0 var(--pt-s4); border: 1px solid #9FB1C3; border-radius: var(--postum-radius-btn); background: #fff; color: var(--postum-text); font: 400 1rem/1.2 var(--postum-font); }
.ph .ph-field input:focus, .ph .ph-field select:focus { outline: none; border-color: var(--postum-primary); box-shadow: 0 0 0 3px rgba(17, 88, 155, .2); }
.ph-search .ph-btn { align-self: end; }
.ph-sug, .ph-themes { display: flex; flex-wrap: wrap; align-items: center; gap: var(--pt-s2); margin-top: var(--pt-s4) !important; font-size: var(--pt-text-sm); color: var(--postum-text-muted); }
.ph-sug a, .ph-themes a { display: inline-flex; align-items: center; gap: 6px; min-height: 38px; padding: 0 var(--pt-s4); border: 1px solid var(--postum-border); border-radius: 999px; background: #fff; color: var(--postum-text); font-weight: 600; text-decoration: none; }
.ph-sug a:hover, .ph-themes a:hover { border-color: var(--postum-primary); color: var(--postum-primary); }
.ph em { font-style: normal; font-weight: 400; color: var(--postum-text-muted); font-size: 0.8125rem; }
@media (min-width: 900px) { .ph-search { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) auto; align-items: end; padding: var(--pt-s5); } }

/* Sections */
.ph-section { padding: var(--pt-s8) 0; }
.ph-section--alt { background: var(--postum-bg-alt); }
.ph-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--pt-s3) var(--pt-s5); margin-bottom: var(--pt-s5); }
.ph-head h2 { margin-right: auto; }
.ph-tabs { display: flex; gap: var(--pt-s2); }
.ph .ph-tab { min-height: 40px; padding: 0 var(--pt-s4); border: 1px solid var(--postum-border); border-radius: 999px; background: #fff; color: var(--postum-text); font: 600 var(--pt-text-sm)/1 var(--postum-font); cursor: pointer; }
.ph .ph-tab[aria-pressed="true"] { background: var(--postum-primary); border-color: var(--postum-primary); color: #fff; }
.ph .ptc-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
@media (min-width: 1100px) { .ph .ptc-grid { grid-template-columns: repeat(4, 1fr); } }

/* Tour đang mở bán: khối trong nước / quốc tế, tab khu vực */
.ph-block + .ph-block { margin-top: var(--pt-s8); }
.ph-subhead { display: flex; flex-wrap: wrap; align-items: center; gap: var(--pt-s3) var(--pt-s5); margin-bottom: var(--pt-s4); }
.ph-subhead h3 { margin-right: auto; font-size: var(--pt-text-lg, 1.25rem); }
.ph-tabs { flex-wrap: nowrap; max-width: 100%; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
.ph-tabs::-webkit-scrollbar { display: none; }
.ph .ph-tab { flex: 0 0 auto; white-space: nowrap; }
.ph-panel-more { margin: var(--pt-s5) 0 0; text-align: center; }

/* Destinations */
.ph-dest { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--pt-s3); }
.ph-dest a { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--postum-radius-card); background: var(--postum-bg-alt); color: #fff; text-decoration: none; }
.ph-dest li { min-width: 0; }
.ph-dest img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ph-dest a:hover img { transform: scale(1.04); }
.ph-dest a::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(0deg, rgba(3, 59, 109, .78), rgba(3, 59, 109, 0)); }
.ph-dest-name { position: absolute; left: var(--pt-s4); bottom: 34px; z-index: 1; font: 700 1.25rem/1.2 var(--postum-font-display); }
.ph-dest-count { position: absolute; left: var(--pt-s4); bottom: var(--pt-s3); z-index: 1; font-size: 0.8125rem; color: #E1E7F5; }
@media (min-width: 900px) { .ph-dest { grid-template-columns: repeat(3, 1fr); gap: var(--pt-s4); } }

/* About: điểm mạnh */
.ph-eyebrow { font-size: var(--pt-text-sm); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #C2410C; }
.ph-about-top { display: grid; gap: var(--pt-s6); align-items: center; }
.ph-about-copy h2 { margin-top: var(--pt-s2); }
.ph-about-copy p.ph-about-lead { max-width: 56ch; margin-top: var(--pt-s4); font-size: var(--pt-text-lg); color: var(--postum-text-muted); }
.ph-about-copy p:last-child { margin-top: var(--pt-s4); }
.ph .ph-link--arrow { display: inline-flex; align-items: center; gap: 8px; }
.ph-about-media img { display: block; width: 100%; height: auto; border-radius: var(--postum-radius-gallery); }
.ph-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--pt-s3); margin: var(--pt-s7) 0 var(--pt-s6); padding: 0; }
.ph-stats > div { padding: var(--pt-s4) var(--pt-s4); border-radius: var(--postum-radius-card); background: var(--postum-brand-navy); color: #fff; }
.ph-stats dt { font: 700 clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem)/1.1 var(--postum-font-display); color: #FDBA74; }
.ph-stats dd { margin: var(--pt-s2) 0 0; font-size: 0.9375rem; color: #DCE3F7; }
.ph-points { display: grid; gap: var(--pt-s4); }
.ph-points li { padding: var(--pt-s5); border: 1px solid var(--postum-border); border-radius: var(--postum-radius-card); background: #fff; }
.ph-point-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: #EDF5FB; color: var(--postum-primary); }
.ph .ph-points h3 { margin-top: var(--pt-s3); font-size: 1.0625rem; line-height: 1.35; }
.ph-points p { margin-top: var(--pt-s2); font-size: 0.9375rem; color: var(--postum-text-muted); }
@media (min-width: 640px) { .ph-points { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .ph-about-top { grid-template-columns: 1.1fr .9fr; gap: var(--pt-s8); } .ph-stats { grid-template-columns: repeat(4, 1fr); } .ph-points { grid-template-columns: repeat(3, 1fr); } }

/* News */
.ph-news { display: grid; gap: var(--pt-s6); }
.ph-news article { display: grid; align-content: start; gap: var(--pt-s2); }
.ph-news-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: var(--postum-radius-card); background: var(--postum-bg-alt); }
.ph-news-media { position: relative; }
.ph-news-media img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.ph-news time { margin-top: var(--pt-s2); font-size: 0.8125rem; color: var(--postum-text-muted); }
.ph .ph-news h3 { font-size: 1.125rem; line-height: 1.35; }
.ph-news h3 a { color: var(--postum-heading); text-decoration: none; }
.ph-news h3 a:hover { text-decoration: underline; }
.ph-news p { font-size: 0.9375rem; color: var(--postum-text-muted); }
@media (min-width: 800px) { .ph-news { grid-template-columns: repeat(3, 1fr); } }

/* CTA */
.ph-cta { padding: var(--pt-s8) 0; background: var(--postum-brand-navy); color: #E1E7F5; }
.ph .ph-cta h2 { color: #fff; }
.ph-cta-grid { display: grid; gap: var(--pt-s6); align-items: center; }
.ph-cta-copy p { max-width: 44ch; margin-top: var(--pt-s3); }
.ph-cta-phone a { color: #fff; font-weight: 700; }
.ph-form, .ph-done { display: grid; gap: var(--pt-s4); padding: var(--pt-s5); background: #fff; color: var(--postum-text); border-radius: var(--postum-radius-card); }
.ph-form-row { display: grid; gap: var(--pt-s3); }
.ph-consent { display: flex; gap: var(--pt-s3); align-items: flex-start; font-size: 0.875rem; color: var(--postum-text-muted); cursor: pointer; }
.ph-consent input { flex: none; width: 20px; height: 20px; margin-top: 2px; accent-color: var(--postum-primary); }
.ph-error { color: var(--postum-danger); font-size: var(--pt-text-sm); font-weight: 600; }
.ph-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.ph-done h3 { font-size: 1.25rem; }
.ph .ph-btn--accent { width: 100%; }
@media (min-width: 560px) { .ph-form-row { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .ph-cta-grid { grid-template-columns: 1fr 1.1fr; gap: var(--pt-s8); } }

@media (prefers-reduced-motion: reduce) { .ph-dest img { transition: none; } .ph-dest a:hover img { transform: none; } }

/* Dải danh mục */
.ph-cats { padding-top: var(--pt-s6); }
.ph-cats ul { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--postum-border); border-radius: var(--postum-radius-card); background: #fff; overflow: hidden; }
.ph-cats li { border-right: 1px solid var(--postum-border); border-bottom: 1px solid var(--postum-border); }
.ph-cats a { display: grid; gap: 2px; height: 100%; padding: var(--pt-s4); color: var(--postum-heading); text-decoration: none; transition: background .2s; }
.ph-cats a:hover { background: var(--postum-tint-cream); }
.ph-cats .pts-icon { color: var(--postum-accent); margin-bottom: 4px; }
.ph-cats strong { font-size: 0.9375rem; line-height: 1.3; }
.ph-cats span { font-size: 0.8125rem; color: var(--postum-text-muted); }
@media (min-width: 900px) { .ph-cats ul { grid-template-columns: repeat(6, 1fr); } .ph-cats li { border-bottom: 0; } .ph-cats li:last-child { border-right: 0; } }

/* Nền các khối */
.ph-section--cream { background: linear-gradient(var(--postum-tint-cream), #fff 120%); }
.ph-section--blue { background: var(--postum-tint-blue); }
.ph-section--alt { background: var(--postum-tint-blue); }
.ph-head > div { margin-right: auto; }
.ph-head h2 { margin-top: 6px; }
.ph .ph-link { color: var(--postum-heading); }
.ph .ph-tab[aria-pressed="true"] { background: var(--postum-accent); border-color: var(--postum-accent); color: var(--postum-on-accent); }

/* Dải xanh "chủ động chọn thời gian" */
.ph-band { padding: var(--pt-s8) 0; background: var(--postum-band); color: #E8F1FA; }
.ph-band-grid { display: grid; gap: var(--pt-s6); align-items: center; }
.ph .ph-band h2 { margin-top: var(--pt-s2); color: #fff; max-width: 18ch; }
.ph-band p:not(.ph-eyebrow-o) { margin-top: var(--pt-s4); max-width: 52ch; }
.ph-band-link { display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; text-decoration: none; }
.ph .ph-band a.ph-band-link { color: #fff; }
.ph-band-list { display: grid; gap: var(--pt-s3); margin: 0; padding: 0; }
.ph-band-list a { display: flex; gap: var(--pt-s4); align-items: flex-start; padding: var(--pt-s4) var(--pt-s5); border: 1px solid rgba(255, 255, 255, .22); border-radius: 16px; background: rgba(255, 255, 255, .1); color: #E8F1FA; text-decoration: none; transition: background .2s; }
.ph .ph-band-list a { color: #E8F1FA; }
.ph-band-list a:hover { background: rgba(255, 255, 255, .18); }
.ph-band-list b { flex: none; font: 700 1.25rem/1.2 var(--postum-font-display); color: var(--postum-accent); }
.ph-band-list strong { display: block; color: #fff; font-size: 1rem; margin-bottom: 2px; }
.ph-band-list span { font-size: 0.875rem; line-height: 1.5; }
@media (min-width: 960px) { .ph-band-grid { grid-template-columns: 1fr 1.1fr; gap: var(--pt-s8); } }

/* Ô điểm đến cao hơn, chữ trắng trên nền gradient */
.ph-dest a { aspect-ratio: 5 / 4; border-radius: 20px; }
.ph-dest a::after { inset: 30% 0 0; background: linear-gradient(0deg, rgba(3, 40, 76, .85), rgba(3, 40, 76, 0)); }
.ph-dest-name { font-size: 1.375rem; }

/* Chọn trải nghiệm */
.ph-themes-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--pt-s3); }
.ph-themes-grid a { display: grid; gap: 2px; padding: var(--pt-s4) var(--pt-s5); border: 1px solid var(--postum-border); border-radius: 16px; background: #fff; color: var(--postum-heading); text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.ph-themes-grid a:hover { border-color: var(--postum-accent); box-shadow: var(--postum-shadow-sm); }
.ph-themes-grid b { font: 700 0.75rem/1 var(--postum-font); letter-spacing: .08em; color: var(--postum-accent); }
.ph-themes-grid strong { margin-top: 6px; font-size: 1.0625rem; }
.ph-themes-grid span { font-size: 0.8125rem; color: var(--postum-text-muted); }
@media (min-width: 800px) { .ph-themes-grid { grid-template-columns: repeat(3, 1fr); } }

/* Hệ sinh thái */
.ph-eco { display: grid; gap: var(--pt-s4); }
.ph-eco li { display: flex; gap: var(--pt-s4); align-items: flex-start; padding: var(--pt-s5); border: 1px solid var(--postum-border); border-radius: 16px; background: #fff; }
.ph-eco-mark { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--postum-tint-cream); color: var(--postum-accent-hover); font: 700 1.25rem/1 var(--postum-font-display); }
.ph-eco strong { display: block; color: var(--postum-heading); }
.ph-eco span { display: block; margin-top: 2px; font-size: 0.875rem; color: var(--postum-text-muted); }
.ph-eco em { display: block; margin-top: 4px; font-style: normal; font-size: 0.8125rem; font-weight: 600; color: var(--postum-primary); }
@media (min-width: 800px) { .ph-eco { grid-template-columns: repeat(3, 1fr); } }

/* Khối số liệu và CTA dùng gradient xanh của thương hiệu */
.ph-stats > div { background: var(--postum-band); }
.ph-cta { background: var(--postum-band); }
.ph-point-icon { background: var(--postum-tint-cream); color: var(--postum-accent-hover); }
.ph a.ph-side-card, .ph a.ph-side-card strong, .ph a.ph-side-card em { color: #fff; }
.ph a.ph-side-card .ph-eyebrow-o { color: var(--postum-accent); }
.ph .ph-arrow svg { stroke: #fff; }
.ph a.ph-slide-link { color: var(--postum-on-accent); }
.ph a.ph-slide-link--glass { color: #fff; }
.ph .ph-strip a, .ph .ph-strip h1 { color: #fff; }
.ph a.ph-cats-a { color: inherit; }
.ph-cats a { color: var(--postum-heading) !important; }
.ph-themes-grid a { color: var(--postum-heading) !important; }
.ph-eco .ph-eco-mark { display: grid; margin: 0; font-size: 1.25rem; }

/* ---- Bộ lọc nhanh, số liệu ---- */
.ph-filters { display: flex; flex-wrap: wrap; gap: var(--pt-s2); margin-top: var(--pt-s4); }
.ph-chip { position: relative; }
.ph-chip > summary { display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 0 var(--pt-s4); border: 1px solid var(--postum-border); border-radius: 14px; background: #fff; color: var(--postum-heading); font: 700 var(--pt-text-sm)/1 var(--postum-font); text-transform: uppercase; letter-spacing: .02em; cursor: pointer; list-style: none; box-shadow: var(--postum-shadow-sm); }
.ph-chip > summary::-webkit-details-marker { display: none; }
.ph-chip > summary svg { flex: none; color: var(--postum-primary); }
.ph-chip[open] > summary { border-color: var(--postum-primary); box-shadow: 0 0 0 3px rgba(17, 88, 155, .14); }
.ph-chip[open] > summary > svg:last-child { transform: rotate(180deg); }
.ph-pop { position: absolute; z-index: 20; left: 0; top: calc(100% + 8px); min-width: 240px; max-width: min(320px, calc(100vw - 2 * var(--pt-gutter))); max-height: 340px; overflow-y: auto; margin: 0; padding: var(--pt-s2); list-style: none; background: #fff; border: 1px solid var(--postum-border); border-radius: 14px; box-shadow: var(--postum-shadow-lg); }
.ph-chip.is-right .ph-pop { left: auto; right: 0; }
.ph-pop a { display: flex; justify-content: space-between; align-items: center; gap: var(--pt-s3); min-height: 42px; padding: 0 var(--pt-s3); border-radius: 10px; color: var(--postum-text); font-size: 0.9375rem; font-weight: 500; text-decoration: none; }
.ph-pop a:hover, .ph-pop a:focus-visible { background: var(--postum-tint-blue); color: var(--postum-heading); }
.ph-pop a em { font-style: normal; font-size: 0.8125rem; color: var(--postum-text-muted); }
.ph-quick { display: flex; flex-wrap: wrap; gap: var(--pt-s3) var(--pt-s7); margin: var(--pt-s5) 0 0; padding: 0; }
.ph-quick > div { display: grid; gap: 2px; }
.ph-quick dt { font-size: var(--pt-text-sm); color: var(--postum-text-muted); }
.ph-quick dd { margin: 0; font: 700 1.75rem/1.1 var(--postum-font-display); color: var(--postum-heading); font-variant-numeric: tabular-nums; }

/* ---- Tiêu đề phụ, nhãn đang chọn ---- */
.ph-head .ph-sub { margin: var(--pt-s2) 0 0; color: var(--postum-text-muted); font-size: 1rem; }
.ph-tags { display: flex; flex-wrap: wrap; gap: var(--pt-s2); margin: 0 0 var(--pt-s5); padding: 0; list-style: none; }
.ph-tags li { padding: 6px 12px; border-radius: 999px; background: #fff; border: 1px solid #F3D3B3; color: #9A3F08; font: 600 0.8125rem/1.2 var(--postum-font); }

/* ---- Điểm đến phổ biến ---- */
.ph-pop-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--pt-s3); margin: 0; padding: 0; list-style: none; }
.ph-pop-grid li { min-width: 0; }
.ph-pop-grid a { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 20px; background: var(--postum-bg-alt); color: #fff; text-decoration: none; box-shadow: var(--postum-shadow-sm); }
.ph-pop-grid img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ph-pop-grid a:hover img { transform: scale(1.05); }
.ph-pop-grid a::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(0deg, rgba(3, 29, 58, .88), rgba(3, 29, 58, 0)); }
.ph-pop-flag { position: absolute; z-index: 1; top: 12px; left: 12px; display: grid; place-items: center; width: 34px; height: 26px; border-radius: 6px; background: rgba(255, 255, 255, .92); font-size: 1.125rem; line-height: 1; }
.ph-pop-copy { position: absolute; z-index: 1; left: var(--pt-s4); right: var(--pt-s4); bottom: var(--pt-s4); display: grid; gap: 2px; }
.ph-pop-copy small { font-size: 0.75rem; letter-spacing: .08em; text-transform: uppercase; color: #CFE0F3; }
.ph-pop-copy strong { font: 700 1.1875rem/1.2 var(--postum-font-display); text-transform: uppercase; }
.ph-pop-copy em { font-style: normal; font-size: 0.8125rem; color: #E1E7F5; }

/* ---- Tour thiết kế riêng ---- */
.ph-custom-wrap { padding-block: var(--pt-s8); }
.ph-custom { display: grid; gap: var(--pt-s6); align-items: center; padding: var(--pt-s6); border-radius: 28px; color: #E8F0FA; background: radial-gradient(circle at 78% 20%, rgba(255, 154, 60, .28), rgba(255, 154, 60, 0) 38%), linear-gradient(120deg, #033B6D 0%, #0B58A8 62%, #3D6FDB 100%); }
.ph-custom h2 { margin-top: var(--pt-s2); color: #fff; text-transform: uppercase; }
.ph-custom-copy p:not(.ph-eyebrow-o) { max-width: 58ch; margin-top: var(--pt-s3); font-size: 1.0625rem; }
.ph-custom .ph-eyebrow-o { color: #FFD3A6; }
.ph-custom-points { display: flex; flex-wrap: wrap; gap: var(--pt-s2) var(--pt-s5); margin: var(--pt-s4) 0 0; padding: 0; list-style: none; font-size: 0.9375rem; }
.ph-custom-points li { display: inline-flex; align-items: center; gap: 8px; }
.ph-custom-points svg { color: #FFB770; }
.ph-custom-actions { display: grid; gap: var(--pt-s3); }
.ph .ph-btn--ghost { background: transparent; border: 1px solid rgba(255, 255, 255, .5); color: #fff; gap: 8px; }
.ph .ph-btn--ghost:hover { background: rgba(255, 255, 255, .12); }
.ph-custom .ph-btn--accent { gap: 8px; }
@media (min-width: 900px) { .ph-custom { grid-template-columns: 1fr 320px; padding: var(--pt-s8) var(--pt-s8); } }

/* ---- Hộp đăng ký tour riêng ---- */
.ph-modal { width: min(640px, calc(100vw - 2 * var(--pt-gutter))); max-height: calc(100dvh - 32px); padding: 0; border: 0; border-radius: 22px; background: #fff; color: var(--postum-text); box-shadow: 0 30px 80px rgba(3, 29, 58, .45); overflow: auto; }
.ph-modal::backdrop { background: rgba(3, 29, 58, .62); }
.ph-form--modal { display: grid; gap: var(--pt-s4); padding: var(--pt-s6); }
.ph-modal-head { display: flex; align-items: center; justify-content: space-between; gap: var(--pt-s3); }
.ph-modal-head h2 { font-size: 1.375rem; color: var(--postum-heading); }
.ph-modal-x { display: grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 999px; background: var(--postum-bg-alt); color: var(--postum-heading); cursor: pointer; }
.ph-form--modal .ph-form-row { display: grid; gap: var(--pt-s3); }
.ph-form--modal .ph-field { display: grid; gap: 6px; }
.ph-form--modal .ph-consent { display: flex; gap: var(--pt-s2); align-items: flex-start; font-size: var(--pt-text-sm); color: var(--postum-text-muted); }
.ph-done--modal { display: grid; gap: var(--pt-s3); justify-items: start; padding: var(--pt-s7) var(--pt-s6); }
.ph-done--modal[hidden], .ph-form--modal[hidden] { display: none; }
@media (min-width: 640px) { .ph-form--modal .ph-form-row { grid-template-columns: 1fr 1fr; } }

/* ---- Lưới điểm đến phổ biến: 5 cột trên màn rộng ---- */
@media (min-width: 640px) { .ph-pop-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .ph-pop-grid { grid-template-columns: repeat(5, 1fr); gap: var(--pt-s4); } }
@media (prefers-reduced-motion: reduce) { .ph-pop-grid img { transition: none; } }