:root {
  --ink: #f4f1ea;
  --mute: rgba(244, 241, 234, 0.68);
  --gold: #e2c17a;
  --gold-deep: #b8893a;
  --cyan: #7fe7df;
  --glass: rgba(10, 12, 14, 0.42);
  --line: rgba(226, 193, 122, 0.28);
  --font: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: #07080a;
  color: var(--ink);
  font-family: var(--font);
}
html.home, html.home body {
  height: 100%;
  overflow: hidden;
}
img { max-width: 100%; display: block; }
button, a { font-family: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 40px;
  background: linear-gradient(180deg, rgba(6, 7, 8, 0.72), rgba(6, 7, 8, 0));
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 36px;
}
.nav__brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}
.nav__brand span {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.2em;
}
.nav__links {
  display: flex;
  gap: 28px;
  flex: 1;
}
.nav__links a {
  font-size: 14px;
  letter-spacing: 0.16em;
  color: rgba(244, 241, 234, 0.72);
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--gold); }

.pager {
  position: fixed;
  right: 10px;
  top: 50%;
  z-index: 35;
  width: 36px;
  height: 240px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: ns-resize;
  touch-action: none;
}
.pager__track {
  position: relative;
  width: 4px;
  height: 100%;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
}
.pager__thumb {
  position: absolute;
  left: 50%;
  top: 0;
  width: 18px;
  height: 42px;
  margin-left: -9px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(180deg, #f3ddaa, var(--gold));
  box-shadow: 0 0 16px rgba(226, 193, 122, 0.55);
  cursor: grab;
}
.pager__thumb:active { cursor: grabbing; }

.scroller {
  height: 100vh;
  overflow-y: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.scroller::-webkit-scrollbar { display: none; }

.page {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.scene,
.scene__blur,
.scene__focus,
.scene__veil {
  position: absolute;
  inset: 0;
}
.scene__blur,
.scene__focus {
  background-size: cover;
  background-position: center;
}
.scene__blur {
  filter: blur(26px) saturate(1.15);
  transform: scale(1.12);
}
.scene--home .scene__blur, .scene--home .scene__focus { background-image: url("../image/bg-home.webp"); }
.scene--world .scene__blur, .scene--world .scene__focus { background-image: url("../image/bg-world.webp"); }
.scene--maps .scene__blur, .scene--maps .scene__focus { background-image: url("../image/bg-maps.webp"); }
.scene--play .scene__blur, .scene--play .scene__focus { background-image: url("../image/bg-play.webp"); }
.scene--pay .scene__blur, .scene--pay .scene__focus { background-image: url("../image/bg-pay.webp"); }
.scene--about .scene__blur, .scene--about .scene__focus { background-image: url("../image/bg-join.webp"); }
.scene__focus {
  background-size: cover;
  background-position: center;
}
.scene__focus--right {
  left: 28%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 26%);
  mask-image: linear-gradient(90deg, transparent, #000 26%);
}
.scene__focus--wide {
  inset: 0;
  -webkit-mask-image: radial-gradient(ellipse at 55% 42%, #000 36%, transparent 78%);
  mask-image: radial-gradient(ellipse at 55% 42%, #000 36%, transparent 78%);
}
.scene__focus--center {
  inset: 4% 10%;
  -webkit-mask-image: radial-gradient(ellipse at 50% 48%, #000 40%, transparent 76%);
  mask-image: radial-gradient(ellipse at 50% 48%, #000 40%, transparent 76%);
}
.scene__veil--left {
  background:
    linear-gradient(90deg, rgba(6, 7, 8, 0.78) 0%, rgba(6, 7, 8, 0.38) 42%, rgba(6, 7, 8, 0.08) 100%),
    linear-gradient(180deg, rgba(6, 7, 8, 0.28), transparent 22%, rgba(6, 7, 8, 0.45) 100%);
}
.scene__veil--soft {
  background:
    linear-gradient(180deg, rgba(6, 7, 8, 0.55) 0%, rgba(6, 7, 8, 0.22) 28%, rgba(6, 7, 8, 0.62) 100%);
}
.scene__veil--center {
  background:
    radial-gradient(ellipse at 50% 48%, rgba(6, 7, 8, 0.18), rgba(6, 7, 8, 0.72) 78%);
}

.page__inner {
  position: relative;
  z-index: 2;
  height: 100%;
  width: min(1180px, calc(100% - 120px));
  margin: 0 auto;
  padding: 108px 0 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page__inner--left { width: min(720px, calc(100% - 140px)); margin-left: 80px; }
.page__inner--center { text-align: center; align-items: center; }
.page__inner--legal {
  justify-content: flex-start;
  padding-top: 96px;
  padding-bottom: 32px;
}
.page__inner--legal h2 { font-size: 40px; }

.kicker {
  margin: 0 0 14px;
  color: var(--gold);
  letter-spacing: 0.28em;
  font-size: 12px;
  text-transform: uppercase;
}
h1, h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
}
h2 { font-size: 46px; }
.quote {
  margin: 22px 0 0;
  font-size: 34px;
}
.logo-mark {
  width: min(540px, 100%);
  height: auto;
  filter: drop-shadow(0 16px 30px rgba(0, 0, 0, 0.45));
}
.tag {
  margin: 6px 0 0;
  color: var(--cyan);
  letter-spacing: 0.32em;
  font-weight: 700;
}
.lead {
  max-width: 680px;
  margin: 16px 0 0;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.9;
}
.page__inner--center .lead { margin-left: auto; margin-right: auto; }
.hint, .foot-note {
  margin: 16px 0 0;
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

.cta-row {
  display: flex;
  gap: 16px;
  margin-top: 36px;
}
.btn {
  border: 0;
  letter-spacing: 0.16em;
}
.btn--gold {
  position: relative;
  overflow: hidden;
  color: #1a1308;
  background: linear-gradient(180deg, #f3ddaa, var(--gold) 48%, var(--gold-deep));
  box-shadow: 0 10px 30px rgba(184, 137, 58, 0.28);
  font-weight: 900;
}
.btn--gold:hover { filter: brightness(1.06); }
.btn--nav { padding: 10px 20px; font-size: 13px; }
.btn--xl {
  min-width: 280px;
  height: 64px;
  font-size: 18px;
}
.btn__glow {
  position: absolute;
  inset: 0;
  box-shadow: 0 0 0 0 rgba(226, 193, 122, 0.55);
  animation: pulse 2s ease-out infinite;
}
.btn--line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  padding: 0 24px;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(8, 9, 10, 0.25);
  backdrop-filter: blur(10px);
}
.btn--line:hover { border-color: var(--gold); color: var(--gold); }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(226, 193, 122, 0.5); }
  70% { box-shadow: 0 0 0 18px rgba(226, 193, 122, 0); }
  100% { box-shadow: 0 0 0 0 rgba(226, 193, 122, 0); }
}

.triad, .pillars, .pair {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}
.triad { grid-template-columns: repeat(3, 1fr); }
.pillars { grid-template-columns: repeat(4, 1fr); }
.pair { grid-template-columns: 1fr 1fr; width: min(820px, 100%); }
.triad article,
.pillars article,
.pair article {
  padding: 24px 22px 26px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.triad span {
  display: block;
  color: var(--gold);
  letter-spacing: 0.2em;
  font-size: 12px;
  margin-bottom: 10px;
}
.triad h3, .pair h3, .pillars b {
  display: block;
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
}
.triad p, .pillars p, .pair p {
  margin: 0;
  color: var(--mute);
  line-height: 1.75;
  font-size: 14px;
}

.loop {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.loop li {
  position: relative;
  padding: 0 22px 0 0;
  margin-right: 18px;
  color: var(--gold);
  letter-spacing: 0.14em;
  font-size: 13px;
}
.loop li:not(:last-child)::after {
  content: "—";
  position: absolute;
  right: 0;
  color: rgba(226, 193, 122, 0.45);
}

.mosaic, .film {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.tile, .frame {
  position: relative;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #000;
  overflow: hidden;
}
.tile img, .frame img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  filter: saturate(1.05);
  transition: transform 0.6s ease, filter 0.6s ease;
}
.frame img { height: 156px; }
.tile:hover img, .frame:hover img {
  transform: scale(1.06);
  filter: saturate(1.15) brightness(1.05);
}
.tile i {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 14px 12px;
  font-style: normal;
  letter-spacing: 0.16em;
  background: linear-gradient(180deg, transparent, rgba(6, 7, 8, 0.86));
}
.crawl-shots figure {
  margin: 0;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.crawl-shots a { display: block; }
.crawl-shots img {
  width: 100%;
  height: 132px;
  object-fit: cover;
}
.crawl-shots figcaption {
  padding: 8px 12px 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.vow {
  margin: 28px 0 0;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.advice {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.advice li {
  padding: 14px 10px;
  text-align: center;
  letter-spacing: 0.08em;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.legal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}
.legal-grid article {
  padding: 16px 18px 18px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.legal-grid h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
}
.legal-grid p {
  margin: 0;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.75;
}
.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin-top: 20px;
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.legal-meta p { margin: 0; }

.modal[hidden], .lightbox[hidden] { display: none; }
.modal, .lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
}
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 5, 6, 0.72);
  backdrop-filter: blur(10px);
}
.modal__box {
  position: relative;
  width: min(480px, calc(100% - 48px));
  margin: 14vh auto 0;
  padding: 40px 36px 34px;
  text-align: center;
  background: rgba(16, 17, 18, 0.92);
  border: 1px solid var(--line);
}
.modal__box h2 {
  font-size: 32px;
  margin-bottom: 10px;
}
.modal__box p { color: var(--mute); }
.modal__qr {
  width: 190px;
  margin: 22px auto 10px;
  padding: 10px;
  background: #fff;
}
.modal__tip { color: var(--gold) !important; letter-spacing: 0.16em; }
.modal__x, .lightbox__close {
  position: absolute;
  top: 12px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 28px;
}

.lightbox {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 4, 5, 0.92);
  padding: 40px 80px;
}
.lightbox figure { margin: 0; }
.lightbox img {
  max-height: 76vh;
  width: auto;
  margin: 0 auto;
}
.lightbox figcaption {
  margin-top: 12px;
  text-align: center;
  letter-spacing: 0.1em;
  color: var(--mute);
}
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 34px;
}
.lightbox__nav--prev { left: 24px; }
.lightbox__nav--next { right: 24px; }
.lightbox__close { top: 20px; right: 28px; }

.doc .mast {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.doc .mast .scene { position: absolute; inset: 0; }
.doc .mast .page__inner {
  height: auto;
  padding: 120px 0 48px;
  justify-content: flex-end;
}
.doc .prose {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 80px));
  margin: 0 auto;
  padding: 48px 0 80px;
}
.doc .prose h2 {
  font-size: 32px;
  margin: 36px 0 14px;
}
.doc .prose h3 {
  font-family: var(--serif);
  font-size: 20px;
  margin: 22px 0 8px;
}
.doc .prose p, .doc .prose li {
  color: var(--mute);
  line-height: 1.9;
  font-size: 15px;
}
.doc .prose p { margin: 0 0 14px; }
.site-foot {
  padding: 28px 40px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.site-foot p { margin: 0 0 6px; }
.site-foot a, .home-beian a { color: inherit; }
.gates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.gates a {
  display: block;
  padding: 22px 20px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.gates h2, .gates h3 {
  font-size: 22px;
  margin: 0 0 8px;
  font-family: var(--serif);
}
.gates p { margin: 0; color: var(--mute); font-size: 14px; }
.faq details {
  margin-bottom: 10px;
  padding: 14px 18px;
  background: var(--glass);
  border: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.faq details p { margin: 10px 0 0; }
.update-log {
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--glass);
}
.update-log h2 { font-size: 22px; margin: 0 0 10px; }
.update-log li { margin-bottom: 6px; }