:root {
  --bg: #171717;
  --bg-soft: #1f1f1f;
  --panel: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f5f5;
  --muted: rgba(255, 255, 255, 0.68);
  --soft: rgba(255, 255, 255, 0.42);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --max: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

.stills-page {
  position: relative;
  z-index: 1;
}

.stills-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,0.08), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(255,255,255,0.05), transparent 20%),
    linear-gradient(120deg, #2a2a2a 0%, #202020 28%, #191919 56%, #121212 100%);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stills-hero::before {
  content: "";
  position: absolute;
  inset: -10% -6% 0;
  pointer-events: none;
  background:
    linear-gradient(106deg, rgba(255,255,255,0.08), transparent 24%, transparent 72%, rgba(255,255,255,0.05));
  opacity: 0.55;
  filter: blur(10px);
}

.stills-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(18,18,18,0.18) 36%, rgba(18,18,18,0.78) 100%),
    radial-gradient(circle at 46% 14%, rgba(255,255,255,0.08), transparent 24%);
}

button,
a {
  color: inherit;
}

button {
  font: inherit;
}

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

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.stills-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 8, 8, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-inner {
  min-height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-link,
.brand {
  color: rgba(244, 241, 235, 0.74);
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  transition: color 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

.back-link:hover,
.brand:hover {
  opacity: 1;
  color: #ffffff;
  transform: translateY(-1px);
}

.brand {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.9);
}

.stills-hero {
  padding: 76px 0 34px;
}

.hero-inner {
  display: block;
  position: relative;
  z-index: 1;
  padding: 10px 0 8px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--soft);
}

.hero-inner h1,
.section-head h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 600;
}

.hero-note {
  margin: 18px 0 0;
  font-size: 16px;
  color: var(--muted);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 18px;
  margin-top: 14px;
  padding-bottom: 0;
}

.hero-meta span {
  position: relative;
  color: var(--soft);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hero-meta span:not(:last-child)::after {
  content: "/";
  position: absolute;
  right: -12px;
  color: rgba(255,255,255,0.2);
}

.stills-gallery-section {
  padding: 24px 0 96px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(34px, 4vw, 52px);
}

.section-note {
  margin: 0;
  color: var(--soft);
  font-size: 14px;
}

.stills-grid {
  column-count: 3;
  column-gap: 24px;
}

.still-card {
  width: 100%;
  margin: 0 0 24px;
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
  break-inside: avoid;
  cursor: pointer;
}

.still-image {
  display: block;
  overflow: hidden;
  border-radius: 28px;
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.still-image img {
  width: 100%;
  height: auto;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s ease;
}

.still-copy {
  display: block;
  padding: 18px 4px 0;
}

.still-copy strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.still-copy span {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.still-card:hover .still-image img {
  transform: scale(1.028);
  filter: saturate(1.03);
}

.still-card:hover .still-copy strong {
  color: #fff;
}

.stills-footer {
  padding: 0 0 64px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.footer-inner p {
  margin: 0;
  color: var(--soft);
  font-size: 14px;
}

.footer-link {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(0, 0, 0, 0.84);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close,
.lightbox-arrow {
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  font-size: 28px;
}

.lightbox-stage {
  width: min(1440px, 100%);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 64px;
  gap: 20px;
  align-items: center;
}

.lightbox-arrow {
  width: 64px;
  height: 64px;
  font-size: 40px;
}

.lightbox-figure {
  margin: 0;
}

.lightbox-media {
  overflow: hidden;
  border-radius: 28px;
  background: #0f0f0f;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-media img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  margin: 0 auto;
}

.lightbox-caption {
  padding: 22px 6px 0;
}

.lightbox-caption h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.03em;
}

.lightbox-caption p {
  margin: 12px 0 0;
  max-width: 720px;
  font-size: 16px;
  color: var(--muted);
}

body.is-locked {
  overflow: hidden;
}

@media (max-width: 1100px) {
  .stills-grid {
    column-count: 2;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(var(--max), calc(100% - 28px));
  }

  .nav-inner {
    min-height: 44px;
  }

  .stills-hero {
    padding-top: 50px;
  }

  .hero-inner h1 {
    font-size: clamp(34px, 13vw, 58px);
  }

  .hero-note {
    font-size: 15px;
  }

  .hero-meta {
    gap: 10px 18px;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .stills-grid {
    column-count: 1;
    column-gap: 0;
  }

  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .lightbox {
    padding: 20px 14px;
  }

  .lightbox-stage {
    grid-template-columns: 1fr;
  }

  .lightbox-arrow {
    display: none;
  }

  .lightbox-close {
    top: 14px;
    right: 14px;
    width: 44px;
    height: 44px;
    font-size: 24px;
  }
}

.explorations-page .stills-hero {
  background:
    linear-gradient(180deg, rgba(14, 14, 14, 0.42), rgba(14, 14, 14, 0.78) 58%, rgba(14, 14, 14, 0.96) 100%),
    linear-gradient(115deg, rgba(255, 255, 255, 0.03), transparent 30%, transparent 72%, rgba(255, 255, 255, 0.02)),
    #121212;
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.explorations-page .stills-hero::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.62) 0%, rgba(10, 10, 10, 0.42) 28%, rgba(10, 10, 10, 0.34) 100%),
    url("image/explorations-bg.webp") center center / cover no-repeat;
  opacity: 0.58;
  filter: saturate(0.72) blur(0.5px);
}

.explorations-page .stills-hero::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(12, 12, 12, 0.18) 32%, rgba(12, 12, 12, 0.88) 100%),
    radial-gradient(circle at 72% 22%, rgba(255, 255, 255, 0.09), transparent 18%),
    radial-gradient(circle at 84% 46%, rgba(255, 255, 255, 0.05), transparent 22%);
}