:root {
  --ink: #18211f;
  --muted: #6b7672;
  --paper: #f4f5f1;
  --card: #fff;
  --line: rgba(24, 33, 31, .11);
  --teal: #0c7a75;
  --teal-dark: #075651;
  --aqua: #dff5ef;
  --sand: #dfb577;
  --coral: #e5735d;
  --shadow: 0 24px 70px rgba(27, 45, 42, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }

.topbar { position: absolute; z-index: 10; top: 0; left: 50%; display: flex; align-items: center; justify-content: space-between; width: min(1240px, calc(100% - 56px)); min-height: 82px; color: #fff; transform: translateX(-50%); }
.back-link, .trip-chip { display: inline-flex; align-items: center; gap: 10px; min-height: 42px; padding: 0 15px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px; background: rgba(7, 33, 32, .22); font-size: 12px; font-weight: 720; letter-spacing: .03em; backdrop-filter: blur(18px); }
.back-link span:first-child { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: rgba(255,255,255,.16); transition: transform .25s ease; }
.back-link:hover span:first-child { transform: translateX(-2px); }
.trip-chip-dot { width: 7px; height: 7px; border-radius: 50%; background: #86e4c9; box-shadow: 0 0 0 5px rgba(134,228,201,.15); }

.hero { position: relative; min-height: min(880px, 94vh); overflow: hidden; color: #fff; background: #173d3b; }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 54%; animation: hero-in 1.4s cubic-bezier(.2,.7,.2,1) both; }
.hero-shade { background: linear-gradient(90deg, rgba(6,25,24,.71) 0%, rgba(6,25,24,.30) 47%, rgba(6,25,24,.06) 73%), linear-gradient(180deg, rgba(3,18,18,.18) 0%, transparent 35%, rgba(4,22,21,.42) 100%); }
.hero-copy { position: relative; z-index: 2; width: min(1240px, calc(100% - 56px)); margin: 0 auto; padding-top: clamp(170px, 24vh, 230px); }
.eyebrow, .section-kicker { margin: 0 0 17px; color: #a7ead9; font-size: 11px; font-weight: 800; letter-spacing: .23em; }
.hero h1 { max-width: 910px; margin: 0; font-size: clamp(58px, 7.2vw, 104px); line-height: .96; letter-spacing: -.065em; font-weight: 720; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: rgba(255,255,255,.78); font-size: clamp(16px, 1.45vw, 20px); line-height: 1.72; letter-spacing: -.01em; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.hero-meta span { min-width: 158px; padding: 13px 17px; border: 1px solid rgba(255,255,255,.22); border-radius: 15px; background: rgba(8,44,41,.20); color: rgba(255,255,255,.68); font-size: 11px; backdrop-filter: blur(14px); }
.hero-meta strong { display: block; margin-bottom: 4px; color: #fff; font-size: 14px; letter-spacing: .08em; }
.hero-scroll { position: absolute; z-index: 2; right: max(28px, calc((100% - 1240px) / 2)); bottom: 34px; display: flex; align-items: center; gap: 13px; color: rgba(255,255,255,.76); font-size: 12px; font-weight: 700; }
.hero-scroll i { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.34); border-radius: 50%; font-style: normal; backdrop-filter: blur(12px); }

.page-shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; padding: 96px 0 110px; }
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items: stretch; }
.statement-card, .key-card, .day-panel, .stay-card, .practical-card, .checklist-section { border: 1px solid var(--line); background: rgba(255,255,255,.84); box-shadow: var(--shadow); }
.statement-card { padding: clamp(34px, 5vw, 62px); border-radius: 34px; background: var(--ink); color: #fff; }
.statement-card .section-kicker { color: #86dbc5; }
.statement-card h2, .section-heading h2, .practical-card h2 { margin: 0; font-size: clamp(34px, 4.5vw, 58px); line-height: 1.06; letter-spacing: -.055em; }
.section-heading h2 { font-size: clamp(34px, 4.1vw, 52px); }
.heading-line { display: block; white-space: nowrap; }
.mobile-break { display: inline; }
.statement-card > p:last-child { max-width: 520px; margin: 27px 0 0; color: rgba(255,255,255,.62); font-size: 15px; line-height: 1.8; }
.key-cards { display: grid; gap: 22px; }
.key-card { display: flex; flex-direction: column; justify-content: end; min-height: 220px; padding: 32px; border-radius: 30px; }
.key-flight { background: linear-gradient(145deg, #e8f7f3, #fff); }
.key-return { background: linear-gradient(145deg, #fff3e3, #fff); }
.key-label { align-self: flex-start; margin-bottom: auto; padding: 7px 10px; border-radius: 999px; background: rgba(12,122,117,.09); color: var(--teal-dark); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.key-card strong { display: block; font-size: clamp(21px, 2.5vw, 30px); letter-spacing: -.035em; }
.key-card strong i { color: var(--coral); font-style: normal; font-weight: 500; }
.key-card p { margin: 11px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.days-section, .stays-section, .practical-section, .checklist-section { margin-top: 118px; scroll-margin-top: 32px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 390px); gap: 46px; align-items: end; margin: 0 4px 28px; }
.section-heading .section-kicker, .practical-card .section-kicker { color: var(--teal); }
.section-heading > p { margin: 0 0 5px; color: var(--muted); font-size: 14px; line-height: 1.72; }
.day-rail-wrap { position: relative; }
.day-rail { display: flex; gap: 12px; overflow-x: auto; padding: 4px 1px 12px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.day-rail::-webkit-scrollbar { display: none; }
.day-card { position: relative; flex: 0 0 154px; min-height: 96px; overflow: hidden; padding: 10px 13px; border: 1px solid var(--line); border-radius: 18px; color: var(--ink); background: rgba(255,255,255,.78); text-align: left; cursor: pointer; scroll-snap-align: start; transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease; }
.day-card:hover { transform: translateY(-3px); border-color: rgba(12,122,117,.30); }
.day-card[aria-selected="true"] { color: #fff; border-color: var(--teal-dark); background: var(--teal-dark); box-shadow: 0 18px 38px rgba(7,86,81,.20); }
.day-card:focus-visible, .rail-control:focus-visible { outline: 3px solid rgba(12,122,117,.28); outline-offset: 3px; }
.day-card .day-index { display: block; margin-bottom: 8px; color: var(--teal); font-size: 8px; font-weight: 850; letter-spacing: .13em; white-space: nowrap; }
.day-card[aria-selected="true"] .day-index { color: #8ee5ce; }
.day-card strong { display: block; font-size: 20px; line-height: 1; letter-spacing: -.05em; }
.day-card small { display: -webkit-box; margin-top: 3px; overflow: hidden; color: var(--muted); font-size: 9px; line-height: 1.25; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.day-card[aria-selected="true"] small { color: rgba(255,255,255,.62); }
.day-card .intensity-dot { position: absolute; right: 11px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--sand); }
.day-card[data-level="low"] .intensity-dot { background: #8dc9b9; }
.day-card[data-level="medium-high"] .intensity-dot { background: var(--coral); }
.rail-control { position: absolute; z-index: 2; top: 31px; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.94); box-shadow: 0 12px 30px rgba(31,54,50,.14); cursor: pointer; transition: transform .2s ease, opacity .2s ease; }
.rail-control:hover { transform: scale(1.05); }
.rail-control:disabled { opacity: 0; pointer-events: none; }
.rail-prev { left: -21px; }
.rail-next { right: -21px; }

.day-panel { display: grid; grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); min-height: 610px; margin-top: 10px; overflow: hidden; border-radius: 34px; }
.day-panel.is-changing .day-visual img, .day-panel.is-changing .day-content { opacity: 0; transform: translateY(6px); }
.day-visual { position: relative; min-height: 540px; overflow: hidden; background: #123f3c; }
.day-visual img { width: 100%; height: 100%; object-fit: cover; transition: opacity .25s ease, transform .4s ease; }
.day-visual:after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,28,27,.05), rgba(5,28,27,.67)); }
.day-visual-copy { position: absolute; z-index: 1; left: 34px; right: 34px; bottom: 31px; color: #fff; }
.day-visual-copy span { display: block; margin-bottom: 8px; color: rgba(255,255,255,.65); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.day-visual-copy strong { font-size: clamp(28px, 3.2vw, 43px); line-height: 1.06; letter-spacing: -.04em; }
.day-content { padding: clamp(30px, 4vw, 54px); transition: opacity .25s ease, transform .25s ease; }
.day-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.day-date { color: var(--teal); font-size: 11px; font-weight: 850; letter-spacing: .15em; }
.level-pill { padding: 7px 10px; border-radius: 999px; background: var(--aqua); color: var(--teal-dark); font-size: 10px; font-weight: 760; }
.day-content h3 { margin: 17px 0 9px; font-size: clamp(31px, 4vw, 48px); line-height: 1.04; letter-spacing: -.055em; }
.day-summary { margin: 0 0 28px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.timeline { --timeline-line-left: 75px; display: grid; }
.timeline-item { position: relative; display: grid; grid-template-columns: 58px 13px minmax(0,1fr); gap: 13px; padding: 15px 0; border-top: 1px solid var(--line); }
.timeline-item:not(:last-child)::after { content: ""; position: absolute; z-index: 0; top: 27px; bottom: -22px; left: var(--timeline-line-left); width: 2px; border-radius: 999px; background: linear-gradient(180deg, rgba(12,122,117,.48), rgba(12,122,117,.16) 48%, rgba(12,122,117,.38)); transform: translateX(-50%); }
.timeline-item > * { position: relative; z-index: 1; }
.timeline-time { padding-top: 2px; color: var(--teal-dark); font-size: 12px; font-weight: 800; }
.timeline-mark { width: 10px; height: 10px; margin-top: 3px; border: 2px solid var(--teal); border-radius: 50%; background: #fff; box-shadow: 0 0 0 5px #fff, 0 0 0 6px rgba(12,122,117,.10); }
.timeline-copy strong { display: block; font-size: 14px; line-height: 1.4; }
.timeline-copy p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.58; }
.day-tips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }
.day-tips span { padding: 8px 10px; border-radius: 9px; background: #f0f2ee; color: #56635f; font-size: 10px; font-weight: 650; }
.panel-nav { display: flex; gap: 10px; margin-top: 25px; }
.panel-nav button { min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 11px; font-weight: 720; cursor: pointer; }
.panel-nav button:last-child { color: #fff; border-color: var(--teal-dark); background: var(--teal-dark); }
.panel-nav button:disabled { display: none; }

.stay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.stay-card { overflow: hidden; border-radius: 32px; }
.stay-card img { width: 100%; height: 340px; object-fit: cover; }
.stay-south img { object-position: 48% 48%; }
.stay-north img { object-position: center 56%; }
.stay-copy { padding: 31px 33px 34px; }
.stay-copy > span { color: var(--teal); font-size: 10px; font-weight: 850; letter-spacing: .14em; }
.stay-copy h3 { margin: 12px 0 13px; font-size: clamp(25px, 3vw, 38px); letter-spacing: -.045em; }
.stay-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.stay-copy b { color: var(--ink); }

.practical-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; }
.practical-card { padding: clamp(31px, 4vw, 48px); border-radius: 32px; }
.practical-card h2 { font-size: clamp(29px, 3.6vw, 46px); }
.budget-card { background: linear-gradient(145deg, #e5f4ef, #fff 60%); }
.budget-list { display: grid; margin-top: 29px; }
.budget-list span { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-top: 1px solid rgba(24,33,31,.09); font-size: 13px; }
.budget-list i { color: var(--muted); font-style: normal; }
.fineprint { margin: 22px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.booking-card { background: var(--ink); color: #fff; }
.booking-card .section-kicker { color: #8cdec9; }
.booking-card ol { margin: 28px 0 0; padding: 0; list-style: none; }
.booking-card li { display: grid; grid-template-columns: 40px 1fr; gap: 13px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.11); }
.booking-card li > span { color: #84d9c3; font: 14px Georgia, serif; }
.booking-card li p { margin: 0; color: rgba(255,255,255,.59); font-size: 12px; line-height: 1.62; }
.booking-card li b { color: #fff; }
.checklist-section { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: clamp(34px, 6vw, 78px); padding: clamp(32px, 5vw, 62px); border-radius: 34px; }
.checklist-intro { align-self: start; position: sticky; top: 28px; }
.checklist-intro .section-kicker { color: var(--teal); }
.checklist-intro h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.07; letter-spacing: -.055em; }
.checklist-intro > p:not(.section-kicker) { margin: 23px 0 0; color: var(--muted); font-size: 13px; line-height: 1.72; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 95px; padding: 16px; border: 1px solid var(--line); border-radius: 17px; background: #f8f9f6; color: var(--ink); text-align: left; cursor: pointer; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.check:hover { transform: translateY(-1px); border-color: rgba(12,122,117,.28); background: #fff; }
.check-box { flex: 0 0 auto; display: grid; place-items: center; width: 23px; height: 23px; border: 1.5px solid #aab4b0; border-radius: 7px; color: transparent; font-size: 14px; transition: all .18s ease; }
.check-text, .check-text b, .check-text small { display: block; }
.check-text b { font-size: 13px; line-height: 1.4; }
.check-text small { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.check.done { border-color: rgba(12,122,117,.16); background: #f0f7f4; }
.check.done .check-box { border-color: var(--teal); color: #fff; background: var(--teal); }
.check.done .check-text b, .check.done .check-text small { color: #8a9490; text-decoration: line-through; }

.footer { display: flex; justify-content: space-between; gap: 36px; padding: 42px max(28px, calc((100% - 1160px) / 2)); color: rgba(255,255,255,.58); background: #142624; font-size: 11px; }
.footer span { color: #8ad9c4; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.footer p { margin: 8px 0 0; }
.footer nav { display: flex; align-items: center; gap: 22px; color: #fff; font-weight: 700; }

@keyframes hero-in { from { opacity: .4; transform: scale(1.035); } to { opacity: 1; transform: scale(1); } }

@media (max-width: 880px) {
  .intro-grid, .day-panel, .practical-section, .checklist-section { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 1fr; gap: 17px; }
  .checklist-intro { position: static; }
  .day-visual { min-height: 390px; }
  .stay-card img { height: 280px; }
  .rail-control { display: none; }
}

@media (max-width: 640px) {
  .topbar { width: calc(100% - 32px); min-height: 68px; }
  .back-link, .trip-chip { min-height: 38px; padding: 0 11px; font-size: 10px; }
  .trip-chip { gap: 7px; }
  .hero { min-height: 790px; }
  .hero-image { object-position: 62% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(5,24,23,.34) 0%, rgba(5,24,23,.14) 30%, rgba(5,24,23,.78) 100%); }
  .hero-copy { position: absolute; left: 24px; right: 24px; bottom: 102px; width: auto; padding: 0; }
  .hero h1 { font-size: clamp(45px, 14vw, 67px); }
  .hero-lead { margin-top: 23px; font-size: 14px; line-height: 1.64; }
  .hero-meta { gap: 7px; margin-top: 25px; }
  .hero-meta span { flex: 1 1 100px; min-width: 0; padding: 11px; font-size: 9px; }
  .hero-meta strong { font-size: 11px; }
  .hero-scroll { right: 20px; bottom: 25px; }
  .page-shell { width: calc(100% - 28px); padding: 65px 0 78px; }
  .statement-card { padding: 32px 25px; border-radius: 27px; }
  .statement-card h2, .section-heading h2 { font-size: 36px; }
  .mobile-break { display: block; }
  .key-cards { gap: 13px; }
  .key-card { min-height: 190px; padding: 25px; border-radius: 25px; }
  .days-section, .stays-section, .practical-section, .checklist-section { margin-top: 82px; }
  .day-rail { margin-right: -14px; }
  .day-card { flex-basis: min(54vw, 178px); min-height: 96px; }
  .day-panel { min-height: 0; border-radius: 27px; }
  .day-visual { min-height: 305px; }
  .day-visual-copy { left: 24px; right: 24px; bottom: 23px; }
  .day-content { padding: 28px 23px 30px; }
  .timeline { --timeline-line-left: 62px; }
  .timeline-item { grid-template-columns: 48px 11px 1fr; gap: 10px; }
  .stay-grid { grid-template-columns: 1fr; gap: 15px; }
  .stay-card { border-radius: 27px; }
  .stay-card img { height: 245px; }
  .stay-copy { padding: 26px 24px 28px; }
  .practical-card { border-radius: 27px; }
  .checklist-section { gap: 27px; padding: 28px 22px; border-radius: 27px; }
  .checklist-intro h2 { font-size: 34px; }
  .checklist { grid-template-columns: 1fr; }
  .check { min-height: 0; }
  .footer { display: grid; padding: 35px 20px calc(35px + env(safe-area-inset-bottom)); }
  .footer nav { justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}