:root {
  --paper: #f4f0e8;
  --paper-deep: #e9e2d5;
  --ink: #152821;
  --ink-soft: #40524b;
  --cream: #fbf8f2;
  --orange: #e86738;
  --orange-dark: #bf4722;
  --yellow: #f1c955;
  --mint: #b7d9c6;
  --line: rgba(21, 40, 33, 0.16);
  --white-line: rgba(255, 255, 255, 0.18);
  --shadow: 0 24px 70px rgba(39, 47, 40, 0.12);
  --radius: 28px;
  --shell: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  z-index: 20;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  color: white;
  background: var(--ink);
  border-radius: 8px;
  transition: top .2s ease;
}

.skip-link:focus { top: 16px; }

.notice {
  position: relative;
  z-index: 31;
  color: #fff8ed;
  background: var(--orange-dark);
  font-size: 14px;
}

.notice__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.notice__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 5px rgba(241, 201, 85, .16);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(244, 240, 232, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header__inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1.15;
}

.brand__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50% 50% 50% 12px;
  font-family: Georgia, serif;
  font-size: 21px;
  font-weight: 700;
}

.brand strong { display: block; font-size: 15px; letter-spacing: .04em; }
.brand small { display: block; margin-top: 4px; color: var(--ink-soft); font-size: 11px; letter-spacing: .18em; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav > a:not(.button) {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav > a:not(.button):hover,
.site-nav > a:not(.button):focus-visible { border-color: currentColor; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 12px;
}

.menu-button span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  border-radius: 2px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  color: white;
  background: var(--orange-dark);
  border: 1px solid var(--orange-dark);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(191, 71, 34, .18);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover,
.button:focus-visible {
  background: #a83b1a;
  box-shadow: 0 14px 32px rgba(191, 71, 34, .25);
  transform: translateY(-2px);
}

.button--small { min-height: 42px; padding-inline: 20px; font-size: 13px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 0;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: 500px;
  height: 500px;
  top: -260px;
  right: -150px;
  border: 70px solid rgba(232, 103, 56, .08);
}

.hero::after {
  width: 260px;
  height: 260px;
  left: -110px;
  bottom: 50px;
  background: rgba(183, 217, 198, .24);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.signup h2 {
  margin: 0;
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  letter-spacing: -.04em;
  line-height: 1.12;
}

.hero h1 { max-width: 780px; font-size: clamp(44px, 6.3vw, 82px); }
.hero h1 em { color: var(--orange-dark); font-style: normal; }

.hero__lead {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.text-link { font-size: 15px; font-weight: 800; text-underline-offset: 5px; }
.microcopy { margin: 15px 0 0; color: #67766f; font-size: 13px; }

.date-card {
  position: relative;
  padding: 34px;
  color: #f7f3e9;
  background: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.date-card::before {
  content: "";
  position: absolute;
  width: 84px;
  height: 84px;
  right: 24px;
  top: 34px;
  border: 1px solid rgba(241, 201, 85, .45);
  border-radius: 50%;
}

.date-card__flag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 12px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.date-card__date {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin: 24px 0;
}

.date-card__date strong {
  font-family: Georgia, serif;
  font-size: 94px;
  font-weight: 500;
  line-height: .78;
  letter-spacing: -.08em;
}

.date-card__date span { color: var(--mint); font-size: 14px; font-weight: 800; line-height: 1.45; }
.date-card__details { margin: 26px 0; }
.date-card__details div { display: grid; grid-template-columns: 58px 1fr; padding: 11px 0; border-top: 1px solid var(--white-line); }
.date-card__details dt { color: rgba(255,255,255,.55); font-size: 12px; }
.date-card__details dd { margin: 0; font-size: 14px; font-weight: 800; text-align: right; }

.seat-meter__copy { display: flex; justify-content: space-between; color: rgba(255,255,255,.72); font-size: 12px; }
.seat-meter__track { height: 6px; margin-top: 10px; overflow: hidden; background: rgba(255,255,255,.13); border-radius: 99px; }
.seat-meter__track span { display: block; height: 100%; background: var(--yellow); border-radius: inherit; }

.fact-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 82px;
  border-block: 1px solid var(--line);
}

.fact-strip > div { position: relative; padding: 26px 26px 28px; border-right: 1px solid var(--line); }
.fact-strip > div:last-child { border-right: 0; }
.fact-strip span { position: absolute; top: 16px; right: 18px; color: rgba(21,40,33,.22); font-family: Georgia, serif; font-size: 18px; }
.fact-strip strong, .fact-strip small { display: block; }
.fact-strip strong { font-size: 18px; }
.fact-strip small { margin-top: 4px; color: var(--ink-soft); font-size: 12px; }

.statement { padding: 64px 0; }
.statement__inner { padding-left: clamp(0px, 11vw, 150px); }
.statement p { max-width: 910px; margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(26px, 3.4vw, 45px); line-height: 1.5; }
.statement strong { color: var(--orange-dark); font-weight: 600; }

.section { padding: 118px 0; }
.section--cream { background: var(--cream); }
.section--ink { color: #f4f0e8; background: var(--ink); }

.section-heading { max-width: 760px; margin-bottom: 58px; }
.section-heading h2, .signup h2 { font-size: clamp(38px, 5vw, 64px); }
.section-heading > p:last-child { max-width: 650px; margin: 24px 0 0; color: var(--ink-soft); font-size: 17px; }
.section-heading--light > p:last-child { color: rgba(255,255,255,.65); }

.journey { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.journey li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.journey__number { color: var(--orange-dark); font-family: Georgia, serif; font-size: 31px; }
.journey h3 { margin: 0 0 8px; font-size: 25px; }
.journey p { max-width: 760px; margin: 0; color: var(--ink-soft); font-size: 16px; }

.outcomes__grid, .faq__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.section-heading--sticky { position: sticky; top: 120px; align-self: start; }

.outcome-list article {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 18px;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
}

.outcome-list article:last-child { border-bottom: 1px solid var(--line); }
.outcome-list article > span { display: grid; width: 54px; height: 54px; place-items: center; color: var(--cream); background: var(--orange-dark); border-radius: 50%; font-size: 20px; font-weight: 800; }
.outcome-list h3 { margin: 0 0 8px; font-size: 23px; }
.outcome-list p { margin: 0; color: var(--ink-soft); }

.prepare { position: relative; overflow: hidden; }
.prepare::after { content: ""; position: absolute; width: 460px; height: 460px; right: -160px; bottom: -220px; border: 1px solid rgba(241,201,85,.22); border-radius: 50%; }
.prepare__grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.check-card { min-height: 260px; padding: 26px; border: 1px solid var(--white-line); border-radius: 20px; background: rgba(255,255,255,.04); }
.check-card span { color: var(--yellow); font-family: Georgia, serif; font-size: 18px; }
.check-card h3 { margin: 50px 0 10px; font-size: 20px; }
.check-card p { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; }

.safety-note { position: relative; z-index: 1; display: grid; grid-template-columns: 92px 1fr; gap: 24px; margin-top: 18px; padding: 30px; border-radius: 20px; background: #263d34; }
.safety-note__mark { display: grid; width: 74px; height: 74px; place-items: center; color: var(--ink); background: var(--mint); border-radius: 50%; font-size: 14px; font-weight: 900; }
.safety-note h3 { margin: 0 0 6px; font-size: 19px; }
.safety-note p { margin: 0; color: rgba(255,255,255,.7); }

.signup { background: var(--paper-deep); }
.signup__card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: center; padding: 64px; background: var(--cream); border: 1px solid rgba(21,40,33,.1); border-radius: 34px; box-shadow: var(--shadow); }
.signup__copy > p:not(.eyebrow) { max-width: 640px; margin: 24px 0; color: var(--ink-soft); font-size: 17px; }
.consent-note { margin: 26px 0; padding: 22px 24px; background: #fff; border: 1px solid rgba(205,70,28,.22); border-left: 5px solid var(--orange-dark); border-radius: 16px; }
.consent-note h3 { margin: 0 0 9px; font-size: 18px; }
.consent-note p { margin: 7px 0 0; color: var(--ink-soft); font-size: 14px; }
.signup ul { display: grid; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; font-weight: 700; }
.signup li::before { content: "✓"; display: inline-grid; width: 22px; height: 22px; margin-right: 10px; place-items: center; color: white; background: var(--orange-dark); border-radius: 50%; font-size: 11px; }
.qr-panel { max-width: 360px; justify-self: end; padding: 20px; text-align: center; background: var(--paper); border: 1px solid var(--line); border-radius: 24px; }
.qr-image-link { display: block; border-radius: 14px; }
.qr-image-link:focus-visible { outline: 3px solid var(--orange-dark); outline-offset: 4px; }
.qr-panel img { width: 100%; aspect-ratio: 732 / 960; object-fit: contain; background: #fff; border-radius: 14px; }
.qr-panel strong, .qr-panel small { display: block; }
.qr-panel strong { margin-top: 14px; font-size: 18px; }
.qr-panel small { margin-top: 5px; color: var(--ink-soft); }

.faq { background: var(--cream); }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 28px 54px 28px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 800; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 25px; color: var(--orange-dark); font-size: 27px; font-weight: 400; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { max-width: 720px; margin: -8px 0 28px; color: var(--ink-soft); }

.site-footer { padding: 46px 0; color: #f4f0e8; background: #0d1b16; }
.footer__inner { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.brand--footer .brand__mark { color: var(--ink); background: var(--yellow); }
.brand--footer small { color: rgba(255,255,255,.55); }
.footer__meta { display: grid; gap: 7px; color: rgba(255,255,255,.45); font-size: 11px; text-align: right; }
.footer__meta a { color: rgba(255,255,255,.68); text-decoration: none; }
.footer__meta a:hover, .footer__meta a:focus-visible { color: #fff; text-decoration: underline; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .date-card { max-width: 520px; transform: none; }
  .fact-strip { grid-template-columns: repeat(2, 1fr); }
  .fact-strip > div:nth-child(2) { border-right: 0; }
  .fact-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .outcomes__grid, .faq__grid { grid-template-columns: 1fr; gap: 42px; }
  .section-heading--sticky { position: static; }
  .prepare__grid { grid-template-columns: repeat(2, 1fr); }
  .signup__card { grid-template-columns: 1fr; gap: 44px; }
  .qr-panel { justify-self: start; }
}

@media (max-width: 760px) {
  .notice__inner { min-height: 56px; align-items: flex-start; padding: 10px 0; flex-wrap: wrap; gap: 3px 7px; }
  .notice__dot { margin-top: 7px; }
  .header__inner { min-height: 68px; }
  .menu-button { display: block; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    padding: 18px 20px 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(21,40,33,.08);
  }
  .site-nav.is-open { display: grid; gap: 8px; }
  .site-nav a:not(.button) { padding: 10px 4px; }
  .hero { padding-top: 56px; }
  .hero h1 { font-size: clamp(42px, 14vw, 62px); }
  .hero__lead { font-size: 17px; }
  .hero__actions { align-items: flex-start; flex-direction: column; }
  .date-card { padding: 28px; }
  .date-card__date strong { font-size: 78px; }
  .fact-strip { margin-top: 56px; }
  .fact-strip > div { min-height: 104px; padding: 22px 16px; }
  .fact-strip strong { font-size: 15px; }
  .statement { padding: 48px 0; }
  .section { padding: 82px 0; }
  .journey li { grid-template-columns: 54px 1fr; gap: 12px; padding: 28px 0; }
  .journey__number { font-size: 22px; }
  .prepare__grid { grid-template-columns: 1fr; }
  .check-card { min-height: auto; }
  .check-card h3 { margin-top: 30px; }
  .safety-note { grid-template-columns: 1fr; }
  .signup__card { width: min(calc(100% - 24px), var(--shell)); padding: 34px 24px; border-radius: 24px; }
  .qr-panel { width: 100%; max-width: 360px; justify-self: center; }
  .footer__inner { align-items: flex-start; flex-direction: column; }
  .footer__meta { text-align: left; }
}

@media (max-width: 430px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .brand strong { font-size: 13px; }
  .brand small { letter-spacing: .08em; }
  .hero h1 { font-size: 43px; }
  .date-card__details div { grid-template-columns: 50px 1fr; }
  .fact-strip { grid-template-columns: 1fr; }
  .fact-strip > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .fact-strip > div:last-child { border-bottom: 0; }
  .outcome-list article { grid-template-columns: 50px 1fr; }
  .outcome-list article > span { width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
