/* ============================================================
   ADVENTURE RETAIL · 宣传海报展厅
   展厅式深色主题：近黑展墙 + 暖白文字 + 金铜单色点缀
   ============================================================ */

:root {
  --wall: #0e0e0c;
  --wall-soft: #151513;
  --ink: #f2efe8;
  --ink-dim: rgba(242, 239, 232, 0.55);
  --ink-faint: rgba(242, 239, 232, 0.28);
  --gold: #d9a75f;
  --gold-soft: rgba(217, 167, 95, 0.35);
  --hairline: rgba(242, 239, 232, 0.14);
  --font-display: "Space Grotesk", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Space Grotesk", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--wall);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--gold); color: #14120e; }

img { display: block; max-width: 100%; }

/* ---------- 顶栏 ---------- */
#siteHeader {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 5vw, 64px);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}
#siteHeader.solid {
  background: rgba(14, 14, 12, 0.82);
  backdrop-filter: blur(12px);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.32em;
  color: var(--ink);
  text-decoration: none;
}
#siteHeader nav { display: flex; align-items: center; gap: 28px; }
#siteHeader nav a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.18em;
  transition: color 0.3s;
}
#siteHeader nav a:hover { color: var(--ink); }
#langToggle {
  font-family: var(--font-display);
  background: none;
  border: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
#langToggle:hover { border-color: var(--gold); background: rgba(217, 167, 95, 0.08); }

/* ---------- Hero：最新海报全幅 ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: -6% 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.62) saturate(0.92);
  animation: heroDrift 24s var(--ease) infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.02) translateY(0); }
  to   { transform: scale(1.1) translateY(-1.5%); }
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(14, 14, 12, 0.96) 0%, rgba(14, 14, 12, 0.35) 45%, rgba(14, 14, 12, 0.25) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 clamp(20px, 5vw, 64px) clamp(64px, 12vh, 120px);
  max-width: 1100px;
}
.hero-kicker {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--gold);
  margin-bottom: 22px;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 148px);
  line-height: 0.96;
  letter-spacing: 0.01em;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span {
  display: block;
  transform: translateY(110%);
  animation: riseUp 1s var(--ease) forwards;
}
.hero-title .line:nth-child(2) > span { animation-delay: 0.12s; }
@keyframes riseUp { to { transform: translateY(0); } }
.hero-tagline {
  margin-top: 26px;
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 300;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
}
.hero-meta {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}
.hero-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.hero-meta a { color: var(--gold); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.hero-meta a:hover { border-color: var(--gold); }

.scroll-hint {
  position: absolute;
  right: clamp(20px, 5vw, 64px);
  bottom: clamp(64px, 12vh, 120px);
  z-index: 2;
  width: 1px;
  height: 72px;
  background: var(--hairline);
  overflow: hidden;
}
.scroll-hint span {
  position: absolute;
  left: 0; top: -40%;
  width: 100%; height: 40%;
  background: var(--gold);
  animation: drip 2.2s var(--ease) infinite;
}
@keyframes drip {
  0% { top: -40%; }
  100% { top: 110%; }
}

/* 入场 reveal */
.reveal { opacity: 0; transform: translateY(18px); animation: fadeUp 0.9s var(--ease) forwards; }
.reveal.d1 { animation-delay: 0.35s; }
.reveal.d2 { animation-delay: 0.55s; }
.reveal.d3 { animation-delay: 0.8s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

/* ---------- 展厅 ---------- */
.gallery { padding: clamp(80px, 12vh, 140px) clamp(20px, 5vw, 64px) 40px; }
.gallery-head {
  display: flex;
  align-items: baseline;
  gap: 28px;
  margin-bottom: clamp(56px, 9vh, 110px);
}
.gallery-head h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0.1em;
}
.gallery-rule { flex: 1; height: 1px; background: var(--hairline); }

.poster {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(28px, 5vw, 84px);
  align-items: center;
  padding: clamp(44px, 8vh, 96px) 0;
  border-top: 1px solid var(--hairline);
}
.poster:nth-child(even) { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.poster:nth-child(even) .poster-frame { order: 2; }
.poster:nth-child(even) .placard { order: 1; text-align: right; }
.poster:nth-child(even) .placard .num-row { flex-direction: row-reverse; }

.poster-frame {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  max-height: 78vh;
  justify-self: center;
  width: 100%;
  max-width: 560px;
  outline: 1px solid var(--hairline);
  outline-offset: 10px;
}
.poster-frame img {
  width: 100%;
  height: 112%;
  object-fit: cover;
  transform: translateY(-6%);
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
  will-change: transform;
}
.poster-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(242, 239, 232, 0.08);
  pointer-events: none;
}
.poster-frame:hover img { transform: translateY(-6%) scale(1.045); filter: brightness(1.06); }
.poster-frame .view-tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink);
  background: rgba(14, 14, 12, 0.62);
  backdrop-filter: blur(6px);
  padding: 8px 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.poster-frame:hover .view-tag { opacity: 1; transform: translateY(0); }

.placard { max-width: 420px; }
.num-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
}
.placard .index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 5vw, 64px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-soft);
}
.placard .kicker {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
}
.placard h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.18;
  margin-bottom: 18px;
}
.placard .sub {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-dim);
  margin-bottom: 26px;
}
.placard .date {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  display: inline-block;
}

/* 滚动显现 */
.poster { opacity: 0; transform: translateY(42px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.poster.in { opacity: 1; transform: translateY(0); }

/* ---------- 页脚 ---------- */
footer {
  border-top: 1px solid var(--hairline);
  background: var(--wall-soft);
  padding: clamp(72px, 12vh, 130px) clamp(20px, 5vw, 64px) 48px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.footer-kicker { font-size: 12px; letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase; }
.footer-mail {
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 56px);
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, color 0.3s;
}
.footer-mail:hover { color: var(--gold); border-color: var(--gold); }
.footer-note { font-size: 14px; color: var(--ink-dim); letter-spacing: 0.1em; }
.footer-brand { margin-top: 40px; font-family: var(--font-display); font-size: 11px; letter-spacing: 0.26em; color: var(--ink-faint); }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 10, 8, 0.92);
  backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 4vw, 56px);
  padding: clamp(16px, 4vw, 56px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0.45s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lb-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-height: 100%;
  transform: scale(0.96);
  transition: transform 0.5s var(--ease);
}
.lightbox.open .lb-stage { transform: scale(1); }
.lb-stage img {
  max-height: min(72vh, 900px);
  max-width: min(64vw, 680px);
  object-fit: contain;
  outline: 1px solid var(--hairline);
  outline-offset: 8px;
}
.lb-caption { text-align: center; max-width: 640px; }
.lb-caption .lb-num { font-family: var(--font-display); font-size: 11px; letter-spacing: 0.3em; color: var(--gold); }
.lb-caption .lb-kicker { display: block; font-size: 11px; letter-spacing: 0.26em; color: var(--ink-faint); margin: 8px 0 10px; text-transform: uppercase; }
.lb-caption h3 { font-family: var(--font-display); font-weight: 500; font-size: clamp(18px, 2.6vw, 28px); margin-bottom: 6px; }
.lb-caption p { font-size: 13px; color: var(--ink-dim); }
.lb-close, .lb-arrow {
  position: fixed;
  background: none;
  border: 1px solid var(--hairline);
  color: var(--ink);
  width: 46px; height: 46px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
  z-index: 101;
}
.lb-close { top: 24px; right: 24px; }
.lb-arrow { top: 50%; transform: translateY(-50%); }
.lb-prev { left: 24px; }
.lb-next { right: 24px; }
.lb-close:hover, .lb-arrow:hover { border-color: var(--gold); background: rgba(217, 167, 95, 0.12); }

body.lb-lock { overflow: hidden; }

/* ---------- 响应式 ---------- */
@media (max-width: 880px) {
  .poster,
  .poster:nth-child(even) { grid-template-columns: 1fr; gap: 30px; padding: 56px 0; }
  .poster:nth-child(even) .poster-frame { order: 1; }
  .poster:nth-child(even) .placard { order: 2; text-align: left; }
  .poster:nth-child(even) .placard .num-row { flex-direction: row; }
  .poster-frame { max-width: 100%; }
  .lb-stage img { max-width: 86vw; }
  .lb-arrow { top: auto; bottom: 18px; transform: none; }
  .lb-prev { left: 18px; }
  .lb-next { right: 18px; }
  .scroll-hint { display: none; }
}