/* ===========================================
   Li Zhizhen Portfolio — Hollow Knight theme
   幽暗虚空 · 青色灵魂辉光 · 暖色提灯
   =========================================== */

:root {
  /* 虚空底色 */
  --void: #080a0f;
  --void-2: #0b0f17;
  --abyss: #0f141e;
  --stone: #161c28;
  --stone-2: #1e2636;
  --mist: #2a3447;
  --mist-2: #3a465c;

  /* 文字（幽灵般的冷白） */
  --text: #ccd6e0;
  --text-dim: #8b98a8;
  --text-faint: #5b6678;

  /* 灵魂辉光（青） */
  --glow: #8fded3;
  --glow-soft: #c4efe8;
  --glow-deep: #4f9e95;

  /* 提灯（暖琥珀） */
  --amber: #e7b25c;
  --amber-soft: #f4d292;

  /* 虚空紫（arcane） */
  --violet: #6f6398;

  /* 生命之血（点赞） */
  --lifeblood: #d65a48;

  --font-display: 'Cinzel', 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-type: 'Special Elite', 'Courier New', monospace;

  --shadow-1: 0 1px 2px rgba(0,0,0,.4);
  --shadow-2: 0 8px 28px rgba(0,0,0,.5);
  --shadow-strong: 0 18px 50px rgba(0,0,0,.7);

  --radius: 4px;
  --radius-lg: 10px;

  --max: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-serif);
  color: var(--text);
  background:
    radial-gradient(ellipse at 50% -10%, #14202c 0%, transparent 55%),
    radial-gradient(ellipse at 50% 120%, #141228 0%, transparent 50%),
    var(--void);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

/* 颗粒质感（冷调，极淡） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.10 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.35;
  mix-blend-mode: soft-light;
}

/* ===========================================
   氛围层：暗角 + 雾气 + 孢子（在内容之下）
   =========================================== */
.hk-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hk-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 42%, transparent 52%, rgba(4,6,10,.72) 100%);
}
.hk-fog {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(40% 30% at 20% 30%, rgba(79,158,149,.10), transparent 70%),
    radial-gradient(45% 35% at 80% 60%, rgba(231,178,92,.07), transparent 70%),
    radial-gradient(50% 40% at 50% 90%, rgba(111,99,152,.08), transparent 70%);
  filter: blur(20px);
  animation: fogDrift 46s ease-in-out infinite alternate;
}
@keyframes fogDrift {
  0%   { transform: translate3d(-3%, -2%, 0) scale(1.05); }
  100% { transform: translate3d(3%, 2%, 0) scale(1.12); }
}
.hk-spores {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
/* 顶层暗角（极淡，只压四角，不挡文字） */
.hk-frame {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 62%, rgba(3,5,9,.5) 100%);
}

/* Container */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
  z-index: 3;
}

/* ===========================================
   Navigation
   =========================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(8,10,15,.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(143,222,211,.16);
  transition: padding .25s ease, background .25s ease;
}
.nav.scrolled { padding: 8px 0; background: rgba(8,10,15,.94); }
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--glow);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .12em;
  text-shadow: 0 0 14px rgba(143,222,211,.35);
}
.logo-mark {
  width: 34px; height: 42px;
  color: var(--glow);
  filter: drop-shadow(0 0 8px rgba(143,222,211,.45));
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .en { font-size: 14px; }
.logo-text .zh { font-size: 11px; opacity: .8; font-family: var(--font-serif); letter-spacing: .2em; margin-top: 3px; }
.nav-menu {
  display: flex; gap: 4px; align-items: center;
}
.nav-menu a, .lang-toggle {
  display: inline-block;
  padding: 8px 12px;
  color: var(--text-dim);
  font-size: 13px;
  font-family: var(--font-display);
  letter-spacing: .1em;
  text-transform: uppercase;
  position: relative;
  border-radius: var(--radius);
  transition: color .2s ease, background .2s ease;
}
.nav-menu a:hover, .lang-toggle:hover { color: var(--glow-soft); background: rgba(143,222,211,.08); }
.nav-menu a::after {
  content: "";
  position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1px;
  background: var(--glow);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
  box-shadow: 0 0 6px rgba(143,222,211,.6);
}
.nav-menu a:hover::after { transform: scaleX(1); }
.lang-toggle { font-family: var(--font-type); text-transform: none; letter-spacing: .04em; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  padding: 0;
  align-items: center; justify-content: center;
  background: rgba(143,222,211,.08);
  border-radius: var(--radius);
}
.burger, .burger::before, .burger::after {
  display: block; width: 20px; height: 2px; background: var(--glow); position: relative;
  transition: transform .25s ease, opacity .25s ease;
  box-shadow: 0 0 6px rgba(143,222,211,.5);
}
.burger::before, .burger::after { content: ""; position: absolute; left: 0; }
.burger::before { top: -6px; }
.burger::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .burger { background: transparent; box-shadow: none; }
.nav-toggle[aria-expanded="true"] .burger::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .burger::after { transform: translateY(-6px) rotate(-45deg); }

/* ===========================================
   Hero
   =========================================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--text);
  padding: 100px var(--gutter) 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 35%;
  z-index: 0;
  filter: brightness(.62) saturate(.85) contrast(1.05);
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,10,15,.62) 0%, rgba(8,10,15,.5) 40%, rgba(8,10,15,.92) 100%),
    radial-gradient(ellipse at 50% 42%, rgba(20,32,44,.35) 0%, transparent 65%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  animation: heroIn 1.2s ease-out both;
}
/* 提灯辉光：标题后方的光晕 */
.hero-content::before {
  content: "";
  position: absolute;
  left: 50%; top: 46%;
  width: min(720px, 92vw); height: 480px;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(closest-side, rgba(143,222,211,.22), transparent 70%),
    radial-gradient(closest-side, rgba(231,178,92,.14), transparent 72%);
  filter: blur(18px);
  z-index: -1;
  pointer-events: none;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-pledge {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 0 28px;
  padding: 8px 18px;
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--glow-soft);
  background: rgba(8,10,15,.4);
  border: 1px solid rgba(143,222,211,.28);
  border-radius: 100px;
  box-shadow: 0 0 24px rgba(143,222,211,.12) inset;
}
.hero-pledge .divider { opacity: .5; color: var(--amber); }
.hero-pledge .jp { font-family: var(--font-type); }
.hero-pledge .zh-text { font-family: var(--font-serif); letter-spacing: .15em; }
.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 11vw, 160px);
  line-height: .95;
  letter-spacing: .02em;
  margin: 0 0 24px;
  color: #e9f1f4;
  text-shadow: 0 0 40px rgba(143,222,211,.35), 0 2px 24px rgba(0,0,0,.8);
}
.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 19px);
  max-width: 720px;
  margin: 0 auto 32px;
  line-height: 1.8;
  color: var(--text);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 36px;
}
.stat {
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .15em;
  padding: 6px 14px;
  border: 1px solid rgba(143,222,211,.3);
  color: var(--text-dim);
  text-transform: uppercase;
  background: rgba(8,10,15,.35);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--amber-soft));
  color: #1a1206;
  box-shadow: 0 6px 22px rgba(231,178,92,.35), 0 0 0 1px rgba(231,178,92,.4) inset;
}
.btn-primary:hover { background: linear-gradient(135deg, var(--amber-soft), #ffe7b0); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(231,178,92,.5); }
.btn-secondary {
  background: transparent;
  color: var(--glow-soft);
  border-color: rgba(143,222,211,.5);
}
.btn-secondary:hover { background: rgba(143,222,211,.1); border-color: var(--glow); color: #fff; }
.scroll-indicator {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 24px; height: 50px;
  display: flex; align-items: center; justify-content: center;
}
.scroll-line {
  display: block;
  width: 1px; height: 50px;
  background: linear-gradient(180deg, transparent, var(--glow-soft) 50%, transparent);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute; top: -10px; left: 0;
  width: 1px; height: 14px;
  background: var(--glow);
  box-shadow: 0 0 8px var(--glow);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(60px); opacity: 0; }
}

/* ===========================================
   Section base
   =========================================== */
.section {
  position: relative;
  padding: clamp(70px, 10vw, 130px) 0;
  z-index: 3;
}
.section + .section { border-top: 1px solid rgba(143,222,211,.08); }
.section:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(79,158,149,.04) 0%, rgba(111,99,152,.03) 100%);
}
.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section-badge {
  display: inline-block;
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--glow);
  padding: 6px 16px;
  background: rgba(15,20,30,.7);
  border: 1px solid rgba(143,222,211,.28);
  margin-bottom: 18px;
  box-shadow: 0 0 18px rgba(143,222,211,.08) inset;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 60px);
  letter-spacing: .04em;
  margin: 0;
  color: var(--text);
  position: relative;
  display: inline-block;
  text-shadow: 0 0 26px rgba(143,222,211,.18);
}
.section-title::before, .section-title::after {
  content: "◇";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--glow);
  font-size: .42em;
  opacity: .7;
  text-shadow: 0 0 10px rgba(143,222,211,.5);
}
.section-title::before { left: -1.5em; }
.section-title::after { right: -1.5em; }
.section-lead {
  max-width: 720px;
  margin: -20px auto 40px;
  text-align: center;
  font-size: 16px;
  color: var(--text-dim);
}
.gallery-link { text-align: center; margin: -28px auto 22px; }
.gallery-link a {
  display: inline-block;
  color: var(--glow);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .04em;
  border: 1px solid var(--glow);
  padding: 8px 16px;
  border-radius: 999px;
  transition: background .2s, color .2s, box-shadow .2s;
}
.gallery-link a:hover { background: var(--glow); color: var(--void); box-shadow: 0 0 20px rgba(143,222,211,.4); }

/* ===========================================
   About
   =========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}
.about-photo-wrapper {
  position: sticky;
  top: 100px;
}
.about-photo-frame {
  position: relative;
  aspect-ratio: 3/4;
  background: var(--stone);
  border: 1px solid rgba(143,222,211,.18);
  box-shadow: var(--shadow-2), 0 0 0 1px rgba(143,222,211,.05) inset;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.92) contrast(1.02);
}
.frame-deco {
  position: absolute;
  inset: 8px;
  pointer-events: none;
  color: rgba(143,222,211,.25);
}
.photo-caption {
  text-align: center;
  font-family: var(--font-type);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 12px;
  opacity: .7;
}
.about-text .lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: var(--text);
  border-left: 3px solid var(--glow);
  padding-left: 18px;
  margin: 0 0 32px;
}
.dossier-fields {
  display: grid;
  gap: 14px;
  padding: 24px;
  background: linear-gradient(160deg, rgba(30,38,54,.75), rgba(15,20,30,.75));
  border: 1px solid rgba(143,222,211,.16);
  border-radius: var(--radius);
  margin-bottom: 24px;
  position: relative;
  box-shadow: 0 0 30px rgba(0,0,0,.35) inset;
}
.dossier-fields::before {
  content: "TRAVELER'S NOTES";
  position: absolute;
  top: -10px; left: 20px;
  background: var(--void);
  padding: 0 10px;
  font-family: var(--font-type);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--glow);
}
.field {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(143,222,211,.14);
  align-items: baseline;
}
.field:last-child { border-bottom: 0; padding-bottom: 0; }
.field-label {
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--glow-deep);
}
.field-value {
  font-size: 15px;
  color: var(--text);
}
.inline-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--glow);
  font-weight: 700;
  border-bottom: 1px solid var(--glow);
  padding-bottom: 2px;
  transition: opacity .2s ease, box-shadow .2s ease;
}
.inline-link:hover { opacity: .8; box-shadow: 0 6px 14px -8px var(--glow); }

/* ===========================================
   Daily grid
   =========================================== */
.daily-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.daily-card {
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  box-shadow: var(--shadow-1);
}
.daily-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2), 0 0 0 1px rgba(143,222,211,.25); border-color: rgba(143,222,211,.4); }
.daily-poster {
  position: relative;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--g1, #1a2230), var(--g2, #2a3a44));
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.daily-poster::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(143,222,211,.10) 0%, transparent 60%);
}
.daily-icon {
  font-family: var(--font-serif);
  font-size: 96px;
  font-weight: 700;
  color: rgba(204,214,224,.22);
  line-height: 1;
  z-index: 1;
}
.daily-info { padding: 20px 22px 22px; }

/* Video player in daily card */
.daily-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-poster {
  background: #05070b;
  padding: 0;
}
.video-poster::after { display: none; }

/* "This Is Me" photo gallery in Daily section */
.daily-card--photos { grid-column: span 2; }
.photo-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  aspect-ratio: 4/3;
  background: #05070b;
  padding: 3px;
}
.photo-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease, opacity .3s ease, filter .4s ease;
  cursor: pointer;
  filter: saturate(.95);
}
.photo-gallery img:hover {
  transform: scale(1.03);
  opacity: .9;
  filter: saturate(1.1) brightness(1.05);
}
@media (max-width: 600px) {
  .daily-card--photos { grid-column: span 1; }
}

/* ===== ICDS Award Card — full-width highlight with carousel ===== */
.daily-card--award {
  grid-column: 1 / -1;
  background: linear-gradient(145deg, #1a2230, #141b27);
  border: 2px solid rgba(231,178,92,.3);
  box-shadow: 0 8px 32px rgba(0,0,0,.5), 0 0 30px rgba(231,178,92,.08) inset;
}
.award-carousel {
  position: relative;
  overflow: hidden;
  background: #05070b;
  aspect-ratio: 16 / 9;
}
.award-slides {
  display: flex;
  width: 400%;
  height: 100%;
  transition: transform .5s ease;
}
.award-slides img {
  width: 25%;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
  filter: saturate(.95);
}
.award-prev,
.award-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  border: none;
  background: rgba(8,10,15,.7);
  color: var(--glow-soft);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  z-index: 3;
  transition: background .2s, box-shadow .2s;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  border: 1px solid rgba(143,222,211,.3);
}
.award-prev { left: 10px; }
.award-next { right: 10px; }
.award-prev:hover,
.award-next:hover { background: rgba(143,222,211,.18); box-shadow: 0 0 14px rgba(143,222,211,.4); }
.award-dots {
  position: absolute;
  bottom: 10px;
  left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
  z-index: 3;
}
.daily-card--award .daily-info { padding: 18px 20px 16px; text-align: center; }
.award-badge {
  display: inline-block;
  background: linear-gradient(135deg, #c9a227, #dfb840);
  color: #1a1510;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 8px;
  text-transform: uppercase;
  box-shadow: 0 0 16px rgba(231,178,92,.4);
}
.daily-card--award .daily-info h3 {
  font-size: 19px;
  margin: 4px 0 8px;
  color: var(--amber-soft);
}
.daily-card--award .daily-info p {
  max-width: 680px;
  margin: 0 auto 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}
.award-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: .06em;
}
.award-meta span {
  padding: 3px 10px;
  background: rgba(143,222,211,.08);
  border-radius: 10px;
}
@media (max-width: 600px) {
  .award-carousel { aspect-ratio: 4/3; }
  .award-prev, .award-next { width: 30px; height: 30px; font-size: 18px; }
  .daily-card--award .daily-info h3 { font-size: 16px; }
  .daily-card--award .daily-info p { font-size: 13px; }
  .award-meta { flex-direction: column; gap: 6px; align-items: center; }
}

/* Fine Art gallery — masonry waterfall, every piece at its true proportion */
.fineart-gallery {
  column-count: 4;
  column-gap: 20px;
  margin-top: 8px;
}
@media (max-width: 1080px) { .fineart-gallery { column-count: 3; } }
@media (max-width: 720px)  { .fineart-gallery { column-count: 2; column-gap: 14px; } }
@media (max-width: 460px)  { .fineart-gallery { column-count: 1; } }

.art-piece {
  position: relative;
  display: inline-block;
  width: 100%;
  margin: 0 0 20px;
  break-inside: avoid;
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  border: 1px solid var(--mist);
  border-radius: var(--radius-lg);
  padding: 10px 10px 0;
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: var(--shadow-2);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.art-piece:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong), 0 0 0 1px rgba(143,222,211,.3);
  border-color: rgba(143,222,211,.4);
}
.art-piece img {
  width: 100%;
  height: auto;
  display: block;
  min-height: 100px;
  filter: saturate(.95);
}
.art-piece figcaption {
  padding: 12px 14px 13px;
  background: rgba(15,20,30,.7);
  border-top: 1px solid rgba(143,222,211,.1);
  text-align: center;
}
.art-piece .a-zh {
  display: block;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text);
  line-height: 1.3;
}
.art-piece .a-en {
  display: block;
  font-family: var(--font-display);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 2px;
}
.art-piece .a-medium {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--glow-deep);
  margin-top: 6px;
}
.like-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: none;
  border-radius: 999px;
  background: rgba(8,10,15,.7);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,.5), 0 0 0 1px rgba(143,222,211,.2) inset;
  transition: background .2s, color .2s, transform .15s;
}
.like-badge:hover { background: rgba(15,20,30,.85); }
.like-badge .heart { color: var(--lifeblood); font-size: 13px; line-height: 1; }
.like-badge.liked { background: rgba(214,90,72,.18); color: var(--lifeblood); box-shadow: 0 0 14px rgba(214,90,72,.3); }
.like-badge.liked .heart { color: var(--lifeblood); }
.like-badge.pop { animation: likePop .3s ease; }
@keyframes likePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.daily-info h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--text);
  letter-spacing: .02em;
}
.daily-info p {
  margin: 0;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ===========================================
   Works grid
   =========================================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.work-card {
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-1);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong), 0 0 0 1px rgba(143,222,211,.28); border-color: rgba(143,222,211,.42); }
.work-poster {
  position: relative;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--g1, #1a2230), var(--g2, #2a3a44));
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  overflow: hidden;
}
.work-poster::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(143,222,211,.14) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(8,10,15,.55) 0%, transparent 50%),
    linear-gradient(180deg, rgba(8,10,15,.1), rgba(8,10,15,.35));
}
.work-poster::after {
  content: "";
  position: absolute; inset: 12px;
  border: 1px solid rgba(143,222,211,.18);
  pointer-events: none;
}
.work-kanji {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(100px, 14vw, 180px);
  color: rgba(204,214,224,.82);
  line-height: 1;
  position: relative;
  z-index: 1;
  text-shadow: 0 4px 24px rgba(0,0,0,.5), 0 0 30px rgba(143,222,211,.12);
}
.work-poster-title {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text);
  z-index: 1;
  opacity: .85;
}
.work-info {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.work-info h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--text);
  letter-spacing: .02em;
}
.work-desc {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0 0 14px;
  flex: 1;
}
.work-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--font-type);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.work-meta .year {
  background: var(--mist);
  color: var(--glow-soft);
  padding: 2px 8px;
  letter-spacing: .1em;
}
.work-meta a {
  color: var(--glow);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.work-meta a:hover { opacity: .7; }
.work-meta .tag {
  background: transparent;
  border: 1px solid rgba(143,222,211,.3);
  padding: 2px 8px;
  letter-spacing: .1em;
  color: var(--text-dim);
}

/* Exhibition video work-card — spans full width in grid */
.work-card--video {
  grid-column: 1 / -1;
  display: block;
}
.work-poster--video {
  aspect-ratio: 16 / 9;
  background: #05070b;
  position: relative;
  overflow: hidden;
}
.work-poster--video::before,
.work-poster--video::after { display: none; }
.work-poster--video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}
.exhibition-ending {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #05070b;
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition: opacity .6s ease;
}
.exhibition-ending.show {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

.play-link {
  color: var(--glow) !important;
  font-family: var(--font-type);
}

/* Like button */
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--stone);
  border: 1px solid rgba(143,222,211,.22);
  border-radius: 100px;
  font-family: var(--font-type);
  font-size: 13px;
  color: var(--text);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  align-self: flex-start;
}
.like-btn:hover { background: var(--stone-2); border-color: rgba(143,222,211,.4); }
.like-btn.large { padding: 10px 18px; font-size: 15px; }
.like-btn .heart {
  color: var(--text-faint);
  transition: color .2s ease, transform .2s ease;
}
.like-btn.liked .heart { color: var(--lifeblood); transform: scale(1.1); }
.like-btn.liked { border-color: rgba(214,90,72,.5); background: rgba(214,90,72,.08); }
.like-btn.pop { animation: pop .35s ease; }
@keyframes pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.18); }
  100% { transform: scale(1); }
}

/* ===========================================
   Game demo
   =========================================== */
.games-section { background: linear-gradient(180deg, rgba(8,10,15,.4), transparent); }
.game-demo {
  margin-top: 60px;
  padding: 40px;
  background: linear-gradient(160deg, #0e131d, #0a0e15);
  color: var(--text);
  border: 1px solid rgba(143,222,211,.2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong), 0 0 40px rgba(143,222,211,.06) inset;
  position: relative;
  overflow: hidden;
}
.game-demo::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(143,222,211,.10) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(231,178,92,.08) 0%, transparent 50%);
  pointer-events: none;
}
.demo-header { text-align: center; margin-bottom: 24px; position: relative; }
.demo-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  margin: 0 0 8px;
  letter-spacing: .05em;
  color: var(--glow-soft);
  text-shadow: 0 0 18px rgba(143,222,211,.25);
}
.demo-desc {
  font-family: var(--font-type);
  font-size: 13px;
  color: var(--text-dim);
  margin: 0;
  letter-spacing: .04em;
}
.demo-stage {
  position: relative;
  aspect-ratio: 5/3;
  background: #05070b;
  border: 1px solid rgba(143,222,211,.2);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0,0,0,.6) inset;
}
#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}
.game-ui {
  position: absolute; inset: 0;
  pointer-events: none;
  padding: 16px;
  font-family: var(--font-display);
  color: var(--text);
  text-shadow: 0 1px 4px rgba(0,0,0,.9);
}
.score-board { position: absolute; top: 12px; left: 16px; font-size: 28px; font-weight: 700; letter-spacing: .05em; color: var(--glow-soft); }
.combo-board {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 56px;
  font-weight: 900;
  color: var(--glow);
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  text-shadow: 0 0 24px rgba(143,222,211,.6);
}
.combo-board.show {
  opacity: 1;
  animation: comboPop .4s ease;
}
@keyframes comboPop {
  0% { transform: translate(-50%, -50%) scale(.7); }
  50% { transform: translate(-50%, -50%) scale(1.15); }
  100% { transform: translate(-50%, -50%) scale(1); }
}
.lives-board { position: absolute; top: 12px; right: 16px; font-size: 22px; color: var(--lifeblood); letter-spacing: 4px; text-shadow: 0 0 10px rgba(214,90,72,.5); }
.game-screen {
  position: absolute; inset: 0;
  background: rgba(5,7,11,.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  gap: 18px;
  backdrop-filter: blur(2px);
}
.game-screen-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  letter-spacing: .15em;
  color: var(--glow);
  margin: 0;
  text-shadow: 0 0 26px rgba(143,222,211,.5);
}
.game-screen-score {
  font-family: var(--font-type);
  font-size: 16px;
  color: var(--text);
  margin: 0;
  letter-spacing: .15em;
}
.game-screen-hint {
  font-family: var(--font-type);
  font-size: 12px;
  color: var(--text-dim);
  margin: 0;
  letter-spacing: .25em;
  text-transform: uppercase;
  opacity: .7;
}
.demo-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

/* ===========================================
   Vlog
   =========================================== */
.vlog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.vlog-card {
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  color: var(--text);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.vlog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-strong), 0 0 0 1px rgba(143,222,211,.25); border-color: rgba(143,222,211,.4); }
.vlog-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--g1, #16202e), var(--g2, #2a3a4e));
  display: flex; align-items: center; justify-content: center;
}
.vlog-play {
  width: 60px; height: 60px;
  background: rgba(143,222,211,.92);
  color: #07120f;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  padding-left: 4px;
  transition: transform .25s ease, box-shadow .25s ease;
  z-index: 2;
  box-shadow: 0 0 22px rgba(143,222,211,.4);
}
.vlog-card:hover .vlog-play { transform: scale(1.1); }
.vlog-kanji {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 140px;
  font-weight: 700;
  color: rgba(204,214,224,.08);
  line-height: 1;
}
.vlog-info { padding: 18px 22px 22px; }
.vlog-info h3 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 6px;
  letter-spacing: .02em;
}
.vlog-info p { font-size: 13.5px; color: var(--text-dim); margin: 0 0 12px; line-height: 1.6; }
.vlog-link {
  font-family: var(--font-type);
  font-size: 12px;
  color: var(--glow);
  letter-spacing: .12em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ===========================================
   Guestbook
   =========================================== */
.guestbook-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.guestbook-form {
  background: linear-gradient(160deg, rgba(30,38,54,.8), rgba(15,20,30,.8));
  padding: 28px;
  border: 1px solid rgba(143,222,211,.16);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1), 0 0 30px rgba(0,0,0,.3) inset;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--glow-deep);
  margin-bottom: 6px;
}
.optional { font-size: 11px; opacity: .7; text-transform: none; letter-spacing: .05em; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-serif);
  font-size: 15px;
  background: rgba(8,10,15,.6);
  color: var(--text);
  border: 1px solid rgba(143,222,211,.22);
  border-radius: var(--radius);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--glow);
  box-shadow: 0 0 0 3px rgba(143,222,211,.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note {
  font-family: var(--font-type);
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 0;
  letter-spacing: .04em;
}

.autoreply {
  margin-top: 20px;
  padding: 16px 20px;
  background: linear-gradient(160deg, #0e131d, #0a0e15);
  color: var(--text);
  border-left: 3px solid var(--glow);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 24px rgba(143,222,211,.06) inset;
}
.autoreply::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 6px, rgba(143,222,211,.02) 6px 7px);
  pointer-events: none;
}
.autoreply-title {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--glow);
  margin: 0 0 6px;
}
.autoreply-text {
  font-family: var(--font-type);
  font-size: 13.5px;
  color: var(--text-dim);
  margin: 0;
  letter-spacing: .02em;
  min-height: 1.4em;
}
.autoreply-text::after {
  content: "▌";
  margin-left: 2px;
  color: var(--glow);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.guestbook-list-title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 16px;
  letter-spacing: .04em;
  color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(143,222,211,.16);
}
.guestbook-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 6px;
}
.guestbook-list::-webkit-scrollbar { width: 6px; }
.guestbook-list::-webkit-scrollbar-thumb { background: rgba(143,222,211,.25); border-radius: 3px; }
.gb-msg {
  padding: 16px 18px;
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  border-left: 2px solid var(--glow);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 0 20px rgba(0,0,0,.25);
}
.gb-msg-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.gb-msg-name {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--text);
  font-weight: 700;
}
.gb-msg-time {
  font-family: var(--font-type);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: .1em;
}
.gb-msg-body {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===========================================
   Footer
   =========================================== */
.footer {
  background: linear-gradient(180deg, #0a0e15, #06080d);
  color: var(--text-dim);
  padding: 60px 0 30px;
  text-align: center;
  position: relative;
  z-index: 3;
  border-top: 1px solid rgba(143,222,211,.12);
}
.footer-wing {
  width: 60px; height: 74px;
  color: var(--glow);
  margin: 0 auto 12px;
  opacity: .85;
  filter: drop-shadow(0 0 10px rgba(143,222,211,.4));
}
.footer-pledge {
  font-family: var(--font-type);
  font-size: 13px;
  letter-spacing: .15em;
  color: var(--glow-soft);
  margin: 0 0 24px;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  margin-bottom: 20px;
}
.footer-links a {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .2s ease, color .2s ease;
}
.footer-links a:hover { border-color: var(--glow); color: var(--glow-soft); }
.footer-copy {
  font-size: 12px;
  font-family: var(--font-type);
  color: var(--text-faint);
  margin: 24px 0 0;
  letter-spacing: .05em;
}

/* ===========================================
   Artist's thinking — Li Zhizhen's reflections
   （刻在石上的铭文 · 青色辉光）
   =========================================== */
.artist-thinking {
  margin: clamp(40px, 6vw, 56px) 0;
  padding: 32px 32px 30px;
  background: linear-gradient(160deg, rgba(30,38,54,.82), rgba(15,20,30,.82));
  border: 1px solid rgba(143,222,211,.18);
  border-left: 4px solid var(--glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2), 0 0 30px rgba(143,222,211,.05) inset;
  position: relative;
}
.artist-thinking::before {
  content: "李致臻的思考 · Li Zhizhen's Reflection";
  position: absolute;
  top: -13px; left: 24px;
  background: var(--void);
  color: var(--glow);
  font-family: var(--font-type);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid rgba(143,222,211,.3);
  box-shadow: 0 0 14px rgba(143,222,211,.15);
}
.artist-thinking .at-intro {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-dim);
  margin: 10px 0 20px;
  line-height: 1.7;
}
.artist-thinking blockquote {
  margin: 0 0 18px;
  padding: 0;
}
.artist-thinking blockquote:last-of-type { margin-bottom: 0; }
.artist-thinking blockquote p.at-zh {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.95;
  color: var(--text);
  margin: 0 0 10px;
  text-indent: 0;
}
.artist-thinking .quote-mark {
  color: var(--glow);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 0;
  margin: 0 2px;
  text-shadow: 0 0 10px rgba(143,222,211,.4);
}
.artist-thinking .at-translation {
  font-family: var(--font-type);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
  border-top: 1px dashed rgba(143,222,211,.2);
  padding-top: 12px;
}
.artist-thinking .at-en-label {
  display: inline-block;
  color: var(--glow-deep);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 10.5px;
  margin-right: 8px;
  border: 1px solid rgba(143,222,211,.3);
  border-radius: 4px;
  padding: 1px 6px;
}
.artist-thinking .at-source {
  display: block;
  margin-top: 16px;
  font-family: var(--font-type);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--glow-deep);
  text-align: right;
}
@media (max-width: 480px) {
  .artist-thinking { padding: 28px 20px 24px; }
  .artist-thinking blockquote p.at-zh { font-size: 15.5px; }
}

/* ===========================================
   Community Service (Volunteer)
   微光 · 致敬一线志愿者
   =========================================== */
.community {
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(231,178,92,.06), transparent 70%),
    linear-gradient(180deg, rgba(111,99,152,.03) 0%, rgba(8,10,15,0) 100%);
}
.community-feature {
  margin-top: 18px;
  background: linear-gradient(160deg, var(--stone), var(--stone-2));
  border: 1px solid rgba(231,178,92,.22);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2), 0 0 30px rgba(231,178,92,.05) inset;
}
.community-video {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #05070b;
  overflow: hidden;
}
.community-video::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid rgba(231,178,92,.18);
  pointer-events: none;
}
.community-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.community-body { padding: 28px 30px 30px; }
.community-story {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.95;
  color: var(--text);
  margin: 0 0 18px;
}
.community-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-type);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}
.community-meta span {
  padding: 5px 12px;
  background: rgba(143,222,211,.08);
  border: 1px solid rgba(143,222,211,.2);
  border-radius: 999px;
}
@media (max-width: 480px) {
  .community-body { padding: 22px 18px 24px; }
}

/* ===========================================
   Reveal animation
   =========================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
   Responsive
   =========================================== */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-photo-wrapper { position: relative; top: 0; max-width: 280px; margin: 0 auto; }
  .guestbook-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(8,10,15,.97);
    padding: 16px;
    gap: 0;
    border-bottom: 1px solid rgba(143,222,211,.2);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu a, .nav-menu .lang-toggle {
    width: 100%;
    padding: 14px 12px;
    border-bottom: 1px solid rgba(143,222,211,.08);
    border-radius: 0;
  }
  .nav-menu li:last-child { border-top: 1px solid rgba(143,222,211,.2); margin-top: 8px; padding-top: 8px; }
  .hero { padding-top: 90px; }
  .field { grid-template-columns: 90px 1fr; }
  .game-demo { padding: 24px 18px; }
  .footer-links { gap: 14px; }
}

@media (max-width: 480px) {
  .logo-text .en { font-size: 12px; }
  .logo-text .zh { font-size: 10px; }
  .hero-stats { gap: 6px 10px; }
  .stat { font-size: 11px; padding: 4px 10px; }
  .btn { padding: 12px 20px; font-size: 12px; }
  .dossier-fields { padding: 18px; }
  .field { grid-template-columns: 1fr; gap: 4px; }
}

/* ===========================================
   Sketch grid responsive
   =========================================== */
@media (max-width: 900px) {
  .sketch-grid { column-count: 2; }
}
@media (max-width: 560px) {
  .sketch-grid { column-count: 1; }
  .sketch-grid-wrap { padding: 10px; }
}

/* ===========================================
   Lightbox for sketch + fine-art images
   =========================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5,7,11,.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 50px rgba(0,0,0,.7), 0 0 40px rgba(143,222,211,.1);
}
.lightbox-caption {
  margin-top: 14px;
  text-align: center;
  color: var(--text);
}
.lightbox-caption .lb-zh {
  font-family: var(--font-serif);
  font-size: 18px;
  display: block;
}
.lightbox-caption .lb-en {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .8;
  color: var(--text-dim);
}
.lightbox-close,
.lightbox-nav {
  position: absolute;
  background: rgba(143,222,211,.12);
  border: 1px solid rgba(143,222,211,.25);
  color: var(--glow-soft);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, box-shadow .2s;
}
.lightbox-close { top: 20px; right: 20px; width: 42px; height: 42px; font-size: 22px; }
.lightbox-nav { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; font-size: 28px; }
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }
.lightbox-close:hover,
.lightbox-nav:hover { background: rgba(143,222,211,.28); box-shadow: 0 0 16px rgba(143,222,211,.4); }

/* ===========================================
   Print / a11y
   =========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .hk-fog { animation: none; }
  html { scroll-behavior: auto; }
}

::selection { background: var(--glow); color: var(--void); }
:focus-visible { outline: 2px solid var(--glow); outline-offset: 2px; }