:root {
  color-scheme: dark;
  --text: #f5f1e9;
  --soft: rgba(245, 241, 233, .66);
  --faint: rgba(245, 241, 233, .4);
  --line: rgba(255,255,255,.16);
  --line-strong: rgba(255,255,255,.34);
  --gold: #ffd479;
  --mint: #5eead4;
  --radius: 6px;
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; margin: 0; background: #07080c; color: var(--text); font-family: "Noto Serif SC", "Songti SC", serif; }
html { min-height: 100dvh; }
body { min-height: 100dvh; overflow: hidden; }
button, a { font: inherit; }
button { color: inherit; }

.entry {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  padding: max(28px, env(safe-area-inset-top)) max(38px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(38px, env(safe-area-inset-left));
}

.entry::after,
.entry__scene,
.entry__grain { position: absolute; inset: 0; pointer-events: none; }

.entry__scene {
  z-index: -3;
  background: url("immersive/map/assets/studio-city-map-v1.png") center / cover no-repeat;
  transform: scale(1.015);
}

.entry::after {
  content: "";
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4,5,9,.98) 0%, rgba(4,5,9,.91) 31%, rgba(4,5,9,.48) 61%, rgba(4,5,9,.56) 100%),
    linear-gradient(0deg, rgba(4,5,9,.9) 0%, transparent 40%, rgba(4,5,9,.5) 100%);
}

.entry__grain {
  z-index: -1;
  opacity: .12;
  background-image: radial-gradient(rgba(255,255,255,.2) .5px, transparent .5px);
  background-size: 6px 6px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.entry__brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .08em;
}

.entry__brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,212,121,.58);
  color: var(--gold);
  transform: rotate(45deg);
}
.entry__brand-mark::before { content: ""; width: 9px; height: 9px; border: 1px solid currentColor; }

.entry__content {
  position: absolute;
  left: max(38px, env(safe-area-inset-left));
  top: 50%;
  width: min(620px, 55vw);
  transform: translateY(-46%);
}

.entry__eyebrow,
.entry__chapter span,
.entry-dialog__eyebrow {
  font-family: "DM Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: .23em;
}

.entry__eyebrow { margin: 0 0 18px; color: var(--gold); font-size: 11px; }
.entry__content h1 { margin: 0; font-size: clamp(52px, 6vw, 94px); line-height: 1.03; font-weight: 650; letter-spacing: 0; }
.entry__lead { max-width: 560px; margin: 22px 0 28px; color: var(--soft); font-size: clamp(15px, 1.35vw, 20px); line-height: 1.8; }

.entry__actions { display: grid; grid-template-columns: 1.35fr 1fr; gap: 10px; margin-top: 28px; }
.entry-button {
  min-height: 68px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8,9,14,.74);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  cursor: pointer;
  text-align: left;
  transition: border-color .18s ease, background .18s ease;
}
.entry-button--primary { grid-column: 1 / -1; min-height: 78px; border-color: rgba(255,212,121,.58); background: linear-gradient(100deg, rgba(255,212,121,.16), rgba(8,9,14,.8) 58%); }
.entry-button:hover, .entry-button:focus-visible { outline: none; border-color: var(--line-strong); background-color: rgba(20,20,26,.94); }
.entry-button--primary:hover, .entry-button--primary:focus-visible { border-color: var(--gold); }
.entry-button:disabled { opacity: .5; cursor: default; }
.entry-button__copy { min-width: 0; }
.entry-button strong { display: block; font-size: 18px; }
.entry-button small { display: block; margin-top: 4px; color: var(--faint); font-size: 12px; }
.entry-button__arrow { flex: 0 0 auto; color: var(--gold); font-size: 27px; line-height: 1; }

.entry__chapter {
  position: absolute;
  right: max(42px, env(safe-area-inset-right));
  top: 50%;
  width: min(27vw, 350px);
  transform: translateY(-40%);
  border-left: 1px solid rgba(255,212,121,.38);
  padding: 10px 0 10px 28px;
  display: grid;
  gap: 12px;
}
.entry__chapter span { color: var(--gold); font-size: 11px; }
.entry__chapter strong { font-size: clamp(28px, 3vw, 44px); font-weight: 550; }
.entry__chapter i { height: 1px; background: linear-gradient(90deg, var(--gold), transparent); opacity: .45; }
.entry__chapter span:last-child { color: var(--faint); }
.entry__chapter { display: block; }
.entry__chapter strong { display: block; }
.entry__content { transform: translateY(-42%); }

.entry__footer {
  position: absolute;
  left: max(38px, env(safe-area-inset-left));
  right: max(38px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-between;
  color: var(--faint);
  font-size: 12px;
}

.entry-dialog[aria-hidden="true"] { display: none; }
.entry-dialog {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
.entry-dialog__backdrop { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: rgba(0,0,0,.74); backdrop-filter: blur(8px); }
.entry-dialog__panel { position: relative; width: min(720px, 100%); max-height: calc(100dvh - 32px); overflow: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; border: 1px solid var(--line-strong); background: rgba(8,9,14,.98); padding: 30px; box-shadow: 0 24px 90px rgba(0,0,0,.55); }
.entry-dialog__close { position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; cursor: pointer; font-size: 22px; }
.entry-dialog__eyebrow { margin: 0 0 10px; color: var(--gold); font-size: 10px; }
.entry-dialog h2 { margin: 0 56px 22px 0; font-size: 29px; }
.entry-dialog__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.entry-dialog__steps > div { padding: 16px; border-top: 1px solid rgba(255,212,121,.48); background: rgba(255,255,255,.035); }
.entry-dialog__steps b { color: var(--gold); font: 12px "DM Mono", ui-monospace, monospace; }
.entry-dialog__steps span { display: block; margin-top: 8px; }
.entry-dialog__steps strong { display: block; font-size: 17px; }
.entry-dialog__steps small { display: block; margin-top: 6px; color: var(--soft); font-size: 13px; line-height: 1.6; }
.entry-dialog__tools { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; }
.entry-dialog__tools a, .entry-dialog__tools button { min-height: 44px; border-radius: var(--radius); display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; text-decoration: none; }
.entry-dialog__tools a { background: var(--gold); color: #17130a; font-weight: 700; }
.entry-dialog__tools button { border: 1px solid var(--line); background: transparent; cursor: pointer; }

@media (max-width: 900px), (max-height: 520px) {
  .entry { padding: max(10px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); }
  .entry__brand { min-height: 40px; font-size: 15px; }
  .entry__brand-mark { width: 26px; height: 26px; }
  .entry__content { left: max(18px, env(safe-area-inset-left)); width: calc(100vw - 286px); transform: translateY(-44%); }
  .entry__eyebrow { margin-bottom: 7px; font-size: 8px; }
  .entry__content h1 { font-size: clamp(38px, 8vw, 60px); }
  .entry__lead { margin: 9px 0 13px; font-size: 12px; line-height: 1.55; }
  .entry__actions { grid-template-columns: 1.25fr 1fr 1fr; gap: 7px; margin-top: 13px; }
  .entry-button, .entry-button--primary { grid-column: auto; min-height: 56px; padding: 7px 11px; }
  .entry-button strong { font-size: 14px; }
  .entry-button small { display: none; }
  .entry-button__arrow { font-size: 18px; }
  .entry__chapter { right: max(18px, env(safe-area-inset-right)); width: 230px; padding-left: 18px; gap: 8px; }
  .entry__chapter strong { font-size: 27px; }
  .entry__chapter span { font-size: 8px; }
  .entry__footer { display: none; }
  .entry-dialog__panel { padding: 20px; }
  .entry-dialog h2 { margin-bottom: 14px; font-size: 24px; }
  .entry-dialog__steps > div { padding: 11px; }
  .entry-dialog__steps small { font-size: 11px; line-height: 1.45; }
  .entry-dialog__tools { margin-top: 12px; padding-top: 12px; }
  :is(button, a[href], [role="button"]) { min-width: 44px; min-height: 44px; }
}

@media (max-width: 680px) {
  .entry__content { width: calc(100vw - 36px); }
  .entry__chapter { display: none; }
  .entry__actions { grid-template-columns: 1fr 1fr; }
  .entry-button--primary { grid-column: 1 / -1; }
  .entry-dialog__steps { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (orientation: portrait), (max-aspect-ratio: 1 / 1) {
  html::before { content: ""; position: fixed; inset: 0; z-index: 2147483646; background: #07080c; }
  html::after { content: "请旋转设备\A横屏体验效果更佳"; white-space: pre; position: fixed; inset: 0; min-height: 100vh; min-height: 100dvh; z-index: 2147483647; display: grid; place-items: center; padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left)); color: var(--text); text-align: center; font: 600 18px/2 "Noto Serif SC", "Songti SC", serif; letter-spacing: .08em; }
}