:root {
  --ocean-950: #07354b;
  --ocean-900: #064b6b;
  --ocean-800: #075f87;
  --ocean-700: #087eaa;
  --ocean-500: #24a5c7;
  --ocean-100: #dff5fa;
  --foam: #f7fcfc;
  --sand: #f4efe6;
  --pink: #ef7896;
  --pink-soft: #ffe4eb;
  --green: #5ca67c;
  --green-soft: #e3f3e8;
  --ink: #18313c;
  --muted: #6d7f86;
  --white: #fff;
  --line: #dbe9eb;
  --shadow: 0 20px 55px rgba(6, 75, 107, .12);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 15px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--foam);
  font-family: ui-rounded, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { color: inherit; }
body.locked { overflow: hidden; }
.site-shell { min-height: 100vh; opacity: 1; transition: opacity .35s ease; }
body.locked .site-shell { opacity: 0; pointer-events: none; }

.lock-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, #073d59 0%, #087ca0 58%, #5ca78a 135%);
  transition: opacity .4s ease, visibility .4s ease;
}
body:not(.locked) .lock-screen { opacity: 0; visibility: hidden; pointer-events: none; }
.lock-orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .35; }
.lock-orb-one { width: 390px; height: 390px; background: #f98da5; left: -170px; top: -120px; }
.lock-orb-two { width: 520px; height: 520px; background: #a7e6ce; right: -240px; bottom: -240px; }
.lock-card {
  position: relative;
  width: min(430px, calc(100vw - 36px));
  padding: 42px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 34px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 30px 80px rgba(4, 42, 61, .35);
  backdrop-filter: blur(18px);
}
.lock-mark, .brand-mark {
  display: inline-grid;
  place-items: center;
  min-width: 56px;
  height: 32px;
  padding: 0 11px;
  color: var(--white);
  background: var(--pink);
  border-radius: 8px 8px 15px 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  transform: rotate(-2deg);
}
.lock-mark { width: 66px; height: 42px; font-size: 16px; margin-bottom: 28px; }
.eyebrow { margin: 0 0 8px; color: var(--ocean-700); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.eyebrow.light { color: #a8dce9; }
.lock-card h1 { margin: 0; color: var(--ocean-950); font-size: clamp(28px, 7vw, 40px); letter-spacing: -.04em; }
.lock-copy { margin: 14px 0 32px; color: var(--muted); line-height: 1.7; }
.lock-card label { display: block; margin-bottom: 9px; color: var(--ocean-900); font-size: 13px; font-weight: 700; }
.password-row { display: flex; gap: 10px; }
.password-row input {
  min-width: 0;
  flex: 1;
  height: 56px;
  padding: 0 18px;
  border: 1.5px solid #c8dee3;
  border-radius: 16px;
  outline: none;
  color: var(--ocean-950);
  background: var(--white);
  font-size: 22px;
  letter-spacing: .3em;
  transition: border .2s, box-shadow .2s;
}
.password-row input:focus { border-color: var(--ocean-500); box-shadow: 0 0 0 4px rgba(36, 165, 199, .12); }
.password-row button { width: 58px; border: 0; border-radius: 16px; color: white; background: var(--ocean-800); font-size: 25px; cursor: pointer; }
.password-row button:hover { background: var(--ocean-950); }
.password-error { min-height: 20px; margin: 8px 0 0; color: #c53f5c; font-size: 13px; }
.lock-footnote { margin: 18px 0 0; color: #90a1a7; font-size: 11px; text-align: center; }
.shake { animation: shake .35s ease; }

.hero { position: relative; min-height: 560px; overflow: hidden; color: white; background: radial-gradient(circle at 85% 15%, rgba(109,199,190,.55), transparent 25%), linear-gradient(135deg, var(--ocean-950), var(--ocean-700)); }
.hero::before, .hero::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.hero::before { width: 420px; height: 420px; right: -110px; top: 100px; }
.hero::after { width: 280px; height: 280px; right: -40px; top: 170px; }
.topbar, .hero-inner, .route-ribbon, main, footer { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.topbar { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; height: 82px; border-bottom: 1px solid rgba(255,255,255,.14); }
.brand { display: flex; align-items: center; gap: 11px; color: white; text-decoration: none; font-size: 15px; font-weight: 800; }
.top-actions { display: flex; gap: 8px; }
.icon-button { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; color: white; background: rgba(255,255,255,.09); cursor: pointer; }
.icon-button:hover { background: rgba(255,255,255,.16); }
.icon-button.icon-only { width: 40px; justify-content: center; padding: 0; font-size: 20px; }
.hero-inner { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: end; gap: 40px; padding: 78px 0 58px; }
.hero-copy h1 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(46px, 7vw, 82px); font-weight: 500; line-height: 1.02; letter-spacing: -.055em; }
.hero-copy h1 em { color: #ffadc0; font-weight: 500; font-style: normal; }
.hero-subtitle { margin: 20px 0 22px; color: #d9f1f5; font-size: 16px; letter-spacing: .04em; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-pills span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(255,255,255,.08); font-size: 12px; }
.trip-stamp { flex: 0 0 auto; display: grid; place-items: center; width: 145px; height: 145px; border: 1px solid rgba(255,255,255,.34); border-radius: 50%; background: rgba(255,255,255,.08); transform: rotate(4deg); }
.trip-stamp span { margin-top: 15px; font-family: Georgia, serif; font-size: 42px; line-height: 1; }
.trip-stamp small { align-self: start; color: #c8e9ef; letter-spacing: .12em; }
.route-ribbon { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); padding: 0 0 36px; }
.route-line { position: absolute; left: 8%; right: 8%; top: 5px; height: 1px; background: rgba(255,255,255,.3); }
.route-stop { position: relative; display: grid; justify-items: center; gap: 8px; color: #c1e3e9; font-size: 11px; }
.route-stop i { z-index: 1; display: block; width: 11px; height: 11px; border: 2px solid #a6d3dc; border-radius: 50%; background: var(--ocean-800); }
.route-stop.active i { border-color: #ffb0c1; background: var(--pink); box-shadow: 0 0 0 5px rgba(239,120,150,.18); }
.wave { position: absolute; left: -3%; right: -3%; bottom: -1px; height: 35px; border-radius: 50% 50% 0 0 / 100% 100% 0 0; background: var(--foam); }

main { padding-bottom: 100px; }
.date-section { padding-top: 58px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 26px; }
.section-heading.compact { margin-bottom: 18px; }
.section-heading h2 { margin: 0; color: var(--ocean-950); font-family: Georgia, "Songti SC", serif; font-size: clamp(28px, 4vw, 42px); font-weight: 500; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 12px; }
.date-nav-wrap { position: relative; }
.date-nav { display: flex; gap: 10px; overflow-x: auto; padding: 3px 2px 12px; scroll-behavior: smooth; scrollbar-width: none; }
.date-nav::-webkit-scrollbar { display: none; }
.date-tab { flex: 0 0 78px; height: 82px; padding: 12px 6px; border: 1px solid var(--line); border-radius: 17px; background: white; cursor: pointer; transition: .22s ease; }
.date-tab span { display: block; color: var(--muted); font-size: 11px; }
.date-tab strong { display: block; margin-top: 4px; color: var(--ocean-900); font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.date-tab:hover { transform: translateY(-2px); border-color: #a7d6df; }
.date-tab.active { color: white; border-color: var(--ocean-800); background: var(--ocean-800); box-shadow: 0 10px 24px rgba(7,95,135,.22); }
.date-tab.active span, .date-tab.active strong { color: white; }
.nav-arrow { position: absolute; z-index: 3; top: 23px; display: grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: 50%; color: var(--ocean-800); background: white; box-shadow: 0 5px 18px rgba(7,53,75,.18); cursor: pointer; }
.nav-arrow.prev { left: -18px; }
.nav-arrow.next { right: -18px; }

.day-section { padding-top: 62px; }
.day-intro { display: flex; justify-content: space-between; align-items: end; gap: 28px; }
.day-number { margin: 0 0 7px; color: var(--pink); font-size: 12px; font-weight: 800; letter-spacing: .15em; }
.day-title-block h2 { margin: 0; color: var(--ocean-950); font-family: Georgia, "Songti SC", serif; font-size: clamp(34px, 5.5vw, 58px); font-weight: 500; line-height: 1.1; letter-spacing: -.04em; }
.day-title-block > p:last-child { margin: 14px 0 0; color: var(--muted); line-height: 1.65; }
.weather-card { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; min-width: 230px; padding: 16px 18px; border: 1px solid #cbe5e9; border-radius: 19px; background: var(--ocean-100); }
.weather-icon { font-size: 30px; }
.weather-card small, .weather-card span { display: block; color: var(--muted); font-size: 10px; }
.weather-card strong { display: block; margin: 2px 0; color: var(--ocean-950); font-size: 20px; }
.day-meta { display: flex; flex-wrap: wrap; gap: 9px; margin: 28px 0 36px; }
.meta-pill { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border-radius: 999px; color: #41616c; background: white; border: 1px solid var(--line); font-size: 12px; }
.color-dots { display: inline-flex; gap: 3px; }
.color-dot { width: 10px; height: 10px; border: 2px solid white; border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 44px; align-items: start; }
.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; left: 84px; top: 18px; bottom: 18px; width: 1px; background: #cddfe2; }
.timeline-item { position: relative; display: grid; grid-template-columns: 66px 1fr; gap: 38px; margin-bottom: 18px; }
.timeline-time { padding-top: 24px; color: var(--ocean-800); font-family: Georgia, serif; font-size: 16px; text-align: right; }
.timeline-time::after { content: ""; position: absolute; left: 79px; top: 29px; width: 9px; height: 9px; border: 2px solid white; border-radius: 50%; background: var(--ocean-500); box-shadow: 0 0 0 1px #9ecbd3; }
.timeline-card { position: relative; width: 100%; padding: 22px 56px 22px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); text-align: left; background: white; box-shadow: 0 7px 24px rgba(6,75,107,.055); cursor: pointer; transition: .2s ease; }
.timeline-card:hover { transform: translateY(-2px); border-color: #a8d4dc; box-shadow: 0 12px 30px rgba(6,75,107,.1); }
.timeline-card::after { content: "↗"; position: absolute; right: 20px; top: 24px; display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; color: var(--ocean-800); background: var(--ocean-100); }
.timeline-card h3 { margin: 0; color: var(--ocean-950); font-size: 17px; }
.timeline-card h3 span { display: block; margin-top: 4px; color: #84979d; font-size: 11px; font-weight: 500; }
.timeline-card p { margin: 11px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.tag { display: inline-block; margin-bottom: 10px; padding: 5px 8px; border-radius: 7px; color: var(--ocean-800); background: var(--ocean-100); font-size: 10px; font-weight: 800; }
.tag.confirmed { color: #347557; background: var(--green-soft); }
.tag.pending { color: #b2455f; background: var(--pink-soft); }
.tag.optional { color: #7d6834; background: #fff2c9; }
.day-aside { position: sticky; top: 24px; display: grid; gap: 16px; }
.aside-card { padding: 22px; border-radius: var(--radius-lg); }
.stay-card { color: white; background: linear-gradient(145deg, var(--ocean-900), var(--ocean-700)); box-shadow: var(--shadow); }
.aside-card .aside-label { margin: 0 0 14px; color: inherit; opacity: .7; font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.stay-card h3 { margin: 0; font-size: 18px; }
.stay-card .stay-host { margin: 7px 0 16px; color: #c6e9ef; font-size: 12px; }
.stay-card address { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.18); font-size: 12px; font-style: normal; line-height: 1.6; }
.stay-card .stay-time { display: flex; gap: 14px; margin-top: 15px; color: #d5edf1; font-size: 11px; }
.stay-card button, .stay-card a { display: inline-flex; margin-top: 16px; padding: 8px 11px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: white; background: transparent; font-size: 11px; text-decoration: none; }
.note-card { border: 1px solid #f4d3dc; background: #fff8fa; }
.note-card h3 { margin: 0 0 12px; color: #9a3c54; font-size: 15px; }
.note-list { margin: 0; padding-left: 18px; color: #6f5c61; font-size: 12px; line-height: 1.8; }

.overview-section { padding-top: 90px; }
.overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.overview-card { position: relative; min-height: 205px; padding: 24px; border: 0; border-radius: var(--radius-xl); text-align: left; overflow: hidden; }
button.overview-card { cursor: pointer; }
.overview-card::after { content: ""; position: absolute; width: 140px; height: 140px; right: -45px; bottom: -50px; border: 1px solid currentColor; border-radius: 50%; opacity: .18; }
.overview-card.coral { color: #78364a; background: var(--pink-soft); }
.overview-card.sea { color: var(--ocean-900); background: var(--ocean-100); }
.overview-card.green { color: #315f49; background: var(--green-soft); }
.overview-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 26px; border-radius: 13px; background: rgba(255,255,255,.55); font-size: 18px; }
.overview-card small, .overview-card strong, .overview-card > span:last-child { display: block; }
.overview-card small { margin-bottom: 5px; opacity: .7; }
.overview-card strong { font-family: Georgia, "Songti SC", serif; font-size: 24px; font-weight: 500; }
.overview-card > span:last-child { margin-top: 14px; font-size: 11px; font-weight: 700; }

footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 34px 0 42px; border-top: 1px solid var(--line); }
footer > div { display: flex; align-items: center; gap: 14px; color: var(--ocean-950); }
.brand-mark.small { min-width: auto; height: 27px; font-size: 10px; }
footer p { color: var(--muted); font-size: 11px; text-align: right; }

.drawer-backdrop { position: fixed; inset: 0; z-index: 50; background: rgba(3,35,49,.52); backdrop-filter: blur(3px); }
.drawer { position: fixed; z-index: 60; top: 0; right: 0; width: min(520px, 100%); height: 100dvh; padding: 42px; overflow-y: auto; background: var(--foam); box-shadow: -20px 0 60px rgba(3,35,49,.24); transform: translateX(105%); transition: transform .3s ease; }
.drawer.open { transform: translateX(0); }
.drawer-close { position: sticky; z-index: 2; top: 0; float: right; display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: white; font-size: 24px; cursor: pointer; }
.drawer-kicker { margin: 55px 0 8px; color: var(--pink); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.drawer h2 { clear: both; margin: 0; color: var(--ocean-950); font-family: Georgia, "Songti SC", serif; font-size: 36px; font-weight: 500; line-height: 1.15; }
.drawer-en { margin: 8px 0 26px; color: var(--muted); font-size: 13px; }
.drawer-lead { color: var(--muted); line-height: 1.75; }
.detail-block { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.detail-block h3 { margin: 0 0 11px; color: var(--ocean-900); font-size: 14px; }
.detail-block p, .detail-block li { color: var(--muted); font-size: 13px; line-height: 1.75; }
.detail-block ul { margin: 0; padding-left: 20px; }
.route-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.route-actions a { display: inline-flex; align-items: center; gap: 7px; padding: 11px 14px; border-radius: 999px; color: white; background: var(--ocean-800); font-size: 12px; font-weight: 700; text-decoration: none; }
.route-actions a.secondary { color: var(--ocean-800); background: var(--ocean-100); }
.route-steps { display: grid; gap: 8px; }
.route-step { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; padding: 11px 12px; border-radius: 12px; background: white; }
.route-step b { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; color: white; background: var(--green); font-size: 10px; }
.route-step span { color: var(--muted); font-size: 12px; line-height: 1.6; }

.checklist-drawer > .eyebrow { clear: both; padding-top: 28px; }
.checklist-progress { height: 7px; margin: 24px 0; overflow: hidden; border-radius: 999px; background: #dce9eb; }
.checklist-progress div { width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ocean-500), var(--green)); transition: width .25s ease; }
.checklist-items { display: grid; gap: 10px; }
.check-item { display: grid; grid-template-columns: 25px 1fr auto; gap: 11px; align-items: start; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.check-item input { width: 19px; height: 19px; margin: 2px 0 0; accent-color: var(--green); }
.check-item label { cursor: pointer; }
.check-item strong { display: block; color: var(--ocean-950); font-size: 13px; }
.check-item span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.check-item a { color: var(--ocean-700); font-size: 11px; text-decoration: none; white-space: nowrap; }
.check-item.done { opacity: .55; }
.check-item.done strong { text-decoration: line-through; }

@keyframes shake { 25% { transform: translateX(-8px); } 50% { transform: translateX(8px); } 75% { transform: translateX(-4px); } }
@media (max-width: 800px) {
  .topbar, .hero-inner, .route-ribbon, main, footer { width: min(100% - 32px, 680px); }
  .hero { min-height: 600px; }
  .hero-inner { align-items: start; padding-top: 64px; }
  .trip-stamp { width: 110px; height: 110px; }
  .trip-stamp span { font-size: 31px; }
  .content-grid { grid-template-columns: 1fr; gap: 28px; }
  .day-aside { position: static; grid-template-columns: 1fr 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
  .overview-card { min-height: 175px; }
}
@media (max-width: 560px) {
  .lock-card { padding: 32px 24px; }
  .desktop-only { display: none; }
  .hero { min-height: 610px; }
  .topbar { height: 70px; }
  .hero-inner { display: block; padding: 58px 0 48px; }
  .hero-copy h1 { font-size: 47px; }
  .trip-stamp { position: absolute; right: 0; bottom: 42px; width: 91px; height: 91px; }
  .trip-stamp span { margin-top: 12px; font-size: 27px; }
  .trip-stamp small { font-size: 9px; }
  .hero-pills { max-width: calc(100% - 90px); }
  .date-section { padding-top: 42px; }
  .section-heading > p, .nav-arrow { display: none; }
  .date-nav { margin-right: -16px; }
  .date-tab { flex-basis: 70px; height: 76px; }
  .day-section { padding-top: 45px; }
  .day-intro { display: block; }
  .weather-card { margin-top: 22px; min-width: 0; }
  .day-meta { margin: 20px 0 28px; }
  .timeline::before { left: 61px; }
  .timeline-item { grid-template-columns: 48px 1fr; gap: 28px; }
  .timeline-time { font-size: 13px; }
  .timeline-time::after { left: 56px; }
  .timeline-card { padding: 18px 46px 18px 17px; }
  .timeline-card::after { right: 14px; top: 19px; }
  .day-aside { grid-template-columns: 1fr; }
  .overview-section { padding-top: 65px; }
  footer { display: block; }
  footer p { margin-top: 20px; text-align: left; line-height: 1.6; }
  .drawer { padding: 24px; }
  .drawer h2 { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
