/* ==========================================================================
   Awesome MiniMax H3 Skills — Design System
   Direction: cinematic dark gallery × editorial field index
   ========================================================================== */

:root {
  --bg: #0C0C0E;
  --bg-2: #111114;
  --surface: #17171C;
  --surface-2: #1D1D23;
  --line: rgba(244, 241, 234, 0.09);
  --line-strong: rgba(244, 241, 234, 0.18);
  --ink: #F4F1EA;
  --muted: #A39E93;
  --faint: #66625A;
  --accent: #FF6C37;
  --accent-soft: rgba(255, 108, 55, 0.14);
  --good: #62D187;
  --bad: #FF5C5C;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code",
    Menlo, Consolas, "Liberation Mono", monospace;

  --header-h: 64px;
  --max-w: 1280px;
  --radius: 14px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }
img, video { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #0C0C0E; }

/* Film grain */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none; z-index: 2000;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-1.5%, 1%); }
  50% { transform: translate(1%, -1.5%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 40px);
  background: rgba(12, 12, 14, 0.72);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  background: var(--accent);
  color: #0C0C0E;
  font-family: var(--font-mono);
  font-weight: 700; font-size: 14px;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 650; font-size: 14.5px; letter-spacing: -0.01em; }
.brand-name em { font-style: normal; color: var(--accent); }
.brand-sub {
  font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: 0.18em; color: var(--faint);
}
.site-nav { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); }
.nav-link {
  font-size: 13.5px; color: var(--muted);
  transition: color 0.25s;
  position: relative;
}
.nav-link:hover { color: var(--ink); }
.lang-toggle {
  display: flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--muted);
  transition: border-color 0.25s, color 0.25s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--ink); }
.lang-opt.active { color: var(--accent); font-weight: 700; }
.lang-sep { color: var(--faint); }
.nav-gh { color: var(--muted); display: grid; place-items: center; transition: color 0.25s; }
.nav-gh:hover { color: var(--ink); }
.nav-gh--official { color: var(--accent); }
.nav-gh--official:hover { color: var(--ink); }

/* ==========================================================================
   Shared layout helpers
   ========================================================================== */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px); }
.mono { font-family: var(--font-mono); }

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-bottom: clamp(24px, 4vw, 44px);
}
.section-label {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.22em; color: var(--accent);
  display: flex; align-items: center; gap: 10px;
}
.section-label::before {
  content: ""; width: 26px; height: 1px; background: var(--accent);
}
.section-title {
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.12;
  margin-top: 10px;
}
.section-note { color: var(--faint); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(48px, 9vh, 110px)) 0 0;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(52% 42% at 78% 8%, rgba(255, 108, 55, 0.13), transparent 62%),
    radial-gradient(40% 34% at 12% 30%, rgba(142, 124, 255, 0.07), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; }

/* Hero background: random official demo reels, masked toward the right */
.hero-bg {
  position: absolute; inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-bg-frame {
  position: absolute; inset: 0;
  opacity: 0.6;
  -webkit-mask-image: linear-gradient(102deg, transparent 2%, rgba(0, 0, 0, 0.26) 34%, rgba(0, 0, 0, 0.82) 60%, #000 76%);
  mask-image: linear-gradient(102deg, transparent 2%, rgba(0, 0, 0, 0.26) 34%, rgba(0, 0, 0, 0.82) 60%, #000 76%);
}
.hero-bg-video,
.hero-bg-frame img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 76% 50%;
  opacity: 0;
  will-change: transform, opacity;
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 12, 14, 0.52), rgba(12, 12, 14, 0) 42%),
    linear-gradient(180deg, rgba(12, 12, 14, 0.12) 0%, rgba(12, 12, 14, 0.4) 58%, var(--bg) 97%);
}
.hero-kicker {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.24em; color: var(--muted);
  display: flex; align-items: center; gap: 12px;
}
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.hero-title {
  margin-top: 26px;
  font-size: clamp(40px, 7.2vw, 96px);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.04;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span { display: inline-block; will-change: transform; }
.hero-title .accent { color: var(--accent); }
.hero-title i { color: var(--accent); }
.hero-sub {
  margin-top: 26px;
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17.5px);
}
.hero-stats {
  margin-top: clamp(34px, 5vw, 56px);
  display: flex; gap: clamp(28px, 5vw, 72px); flex-wrap: wrap;
}
.stat .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 700; letter-spacing: -0.04em; line-height: 1;
}
.stat .stat-num i { font-style: normal; color: var(--accent); }
.stat .stat-label {
  margin-top: 14px;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.18em; color: var(--faint);
  text-transform: uppercase;
}
.hero-flow {
  margin-top: clamp(30px, 4vw, 46px);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.flow-step {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.16em;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 16px; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.flow-step b { color: var(--ink); font-weight: 600; }
.flow-arrow { color: var(--accent); font-family: var(--font-mono); font-size: 13px; }

/* Hero marquee */
.marquee {
  margin-top: clamp(44px, 6vw, 80px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: 14px;
  width: max-content;
  animation: marquee-scroll 46s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  position: relative;
  width: 208px; aspect-ratio: 16 / 9;
  border-radius: 9px; overflow: hidden;
  border: 1px solid var(--line);
  flex-shrink: 0;
  cursor: pointer;
  transition: border-color 0.3s;
}
.marquee-item img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity 0.3s, transform 0.5s var(--ease-out); }
.marquee-item:hover { border-color: var(--accent); }
.marquee-item:hover img { opacity: 1; transform: scale(1.05); }
.marquee-item .mq-label {
  position: absolute; left: 8px; bottom: 7px;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(12, 12, 14, 0.72);
  backdrop-filter: blur(6px);
  padding: 3px 8px; border-radius: 5px;
  max-width: calc(100% - 16px);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ==========================================================================
   Foundation skill spotlight
   ========================================================================== */
.section { padding: clamp(64px, 9vw, 128px) 0 0; }
.foundation-card {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: calc(var(--radius) + 6px);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 209, 102, 0.06), transparent 55%),
    linear-gradient(180deg, var(--surface), var(--bg-2));
  padding: clamp(24px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 56px);
  overflow: hidden;
}
.foundation-card::after {
  content: "FND";
  position: absolute; right: -18px; bottom: -38px;
  font-family: var(--font-mono); font-size: 160px; font-weight: 700;
  color: rgba(244, 241, 234, 0.03);
  letter-spacing: -0.06em;
  pointer-events: none;
}
.foundation-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em;
  color: #FFD166;
  border: 1px solid rgba(255, 209, 102, 0.35);
  background: rgba(255, 209, 102, 0.07);
  padding: 6px 12px; border-radius: 999px;
  margin-bottom: 18px;
}
.foundation-name {
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.12;
}
.foundation-name-zh {
  font-size: clamp(15px, 1.6vw, 19px); color: var(--muted);
  margin-top: 8px; font-weight: 500;
}
.foundation-desc { margin-top: 18px; color: var(--muted); font-size: 14.5px; max-width: 52ch; }
.foundation-modes {
  margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px;
}
.mode-chip {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 7px 13px;
  color: var(--ink);
  background: var(--bg-2);
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}
.mode-chip:hover { border-color: #FFD166; color: #FFD166; transform: translateY(-2px); }
.foundation-cta { margin-top: 28px; }
.structure-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0A0A0C;
  padding: clamp(18px, 2.5vw, 28px);
  font-family: var(--font-mono);
  align-self: center;
}
.structure-title {
  font-size: 10.5px; letter-spacing: 0.2em; color: var(--faint);
  margin-bottom: 16px;
}
.structure-group { margin-bottom: 18px; }
.structure-group:last-child { margin-bottom: 0; }
.structure-group-label { font-size: 10px; color: var(--muted); letter-spacing: 0.1em; margin-bottom: 8px; }
.structure-field {
  display: flex; align-items: center; gap: 9px;
  font-size: 12px; color: var(--ink);
  padding: 6px 0 6px 2px;
}
.structure-field .f-idx { color: var(--accent); font-size: 10px; width: 16px; }
.structure-field .f-name { word-break: break-all; }
.structure-field .f-line { flex: 1; height: 1px; background: var(--line); min-width: 12px; }

/* ==========================================================================
   Filter bar + Skill grid
   ========================================================================== */
.filter-bar {
  display: flex; flex-direction: column; gap: 14px;
  margin-bottom: clamp(24px, 3.5vw, 40px);
}
.search-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search-box {
  position: relative; flex: 1 1 300px; max-width: 460px;
}
.search-box svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--faint); pointer-events: none;
}
.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font: inherit; font-size: 14px;
  padding: 11px 18px 11px 42px;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
}
.search-input::placeholder { color: var(--faint); }
.search-input:focus { border-color: var(--accent); background: var(--surface-2); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip-row .chip-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--faint); margin-right: 4px; text-transform: uppercase;
}
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px; padding: 6px 14px;
  transition: all 0.22s var(--ease-out);
}
.chip .cdot { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.chip:hover { border-color: var(--line-strong); color: var(--ink); }
.chip.active {
  border-color: var(--accent); color: var(--ink);
  background: var(--accent-soft);
}
.result-count {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--faint);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr));
  gap: clamp(16px, 2.5vw, 28px);
}
.skill-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s;
  will-change: transform;
}
.skill-card:hover { border-color: rgba(255, 108, 55, 0.5); }
.card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #08080A;
  overflow: hidden;
}
.card-media video, .card-media img {
  width: 100%; height: 100%;
}
.card-media img { object-fit: cover; }
.card-media .media-bg, .detail-media .media-bg {
  position: absolute; inset: 0;
  background-position: center; background-size: cover;
  filter: blur(6px) brightness(0.92) saturate(1.2);
  transform: scale(1.03);
}
.card-media .media-fg, .detail-media .media-fg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.card-media .media-fg video, .detail-media .media-fg video {
  width: 100%; height: 100%; object-fit: contain;
}
.card-media .card-index {
  position: absolute; top: 10px; left: 12px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; color: var(--ink);
  background: rgba(12, 12, 14, 0.66);
  backdrop-filter: blur(6px);
  padding: 4px 9px; border-radius: 6px;
  border: 1px solid rgba(244, 241, 234, 0.12);
}
.card-media .card-badge {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; color: #0C0C0E;
  background: var(--accent);
  padding: 4px 9px; border-radius: 6px;
}
.card-media .card-badge.community {
  background: #43C6E8;
  outline: 1px solid rgba(12, 12, 14, 0.28);
}
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-cats { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.card-cat {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--muted); text-transform: uppercase;
}
.card-cat .cdot { width: 6px; height: 6px; border-radius: 50%; }
.card-name {
  font-size: 19px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.25;
}
.card-name-alt { font-size: 12.5px; color: var(--faint); font-family: var(--font-mono); margin-top: -6px; }
.card-summary {
  color: var(--muted); font-size: 13.5px; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.card-tag {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.06em;
  color: var(--faint);
  border: 1px solid var(--line); border-radius: 5px; padding: 3px 7px;
}
.card-go {
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
  transition: gap 0.25s var(--ease-out);
}
.skill-card:hover .card-go { gap: 10px; }

.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  color: var(--faint);
}
.empty-state .es-title { font-size: 17px; color: var(--muted); margin-bottom: 8px; }
.empty-state .es-sub { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; }

/* ==========================================================================
   Buttons / install block
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14px; font-weight: 600;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  transition: all 0.25s var(--ease-out);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: var(--accent); border-color: var(--accent); color: #0C0C0E;
}
.btn-primary:hover { background: #FF8257; color: #0C0C0E; border-color: #FF8257; }

.install-block {
  display: flex; align-items: center; gap: 14px;
  background: #08080A;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 6px 8px 6px 20px;
  overflow: hidden;
}
.install-block .prompt-sign { color: var(--accent); font-family: var(--font-mono); font-size: 13px; flex-shrink: 0; }
.install-block code {
  flex: 1;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--ink);
  white-space: nowrap; overflow-x: auto; padding: 14px 0;
  scrollbar-width: thin;
}
.copy-btn {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 9px 15px;
  transition: all 0.22s;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--good); color: var(--good); }

/* ==========================================================================
   Detail view
   ========================================================================== */
.detail-hero { padding: calc(var(--header-h) + clamp(28px, 5vh, 56px)) 0 0; }
.detail-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: clamp(22px, 3vw, 36px);
  transition: color 0.25s, gap 0.25s;
}
.detail-back:hover { color: var(--accent); gap: 12px; }
.detail-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.detail-kicker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.detail-name {
  font-size: clamp(30px, 4.4vw, 58px);
  font-weight: 750; letter-spacing: -0.04em; line-height: 1.06;
}
.detail-name-alt {
  margin-top: 12px;
  font-family: var(--font-mono); font-size: clamp(12px, 1.4vw, 15px);
  color: var(--faint); letter-spacing: 0.02em;
}
.detail-attribution {
  margin-top: 20px;
  display: inline-flex; align-items: center; gap: 9px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 13px;
  background: var(--bg-2);
}
.detail-attribution .oa { color: var(--accent); font-weight: 700; }
.detail-attribution a { color: var(--ink); border-bottom: 1px solid var(--line-strong); transition: color 0.25s, border-color 0.25s; }
.detail-attribution a:hover { color: var(--accent); border-color: var(--accent); }
.detail-meta {
  margin-top: 22px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.meta-chip {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px;
  display: inline-flex; align-items: center; gap: 7px;
}
.meta-chip b { color: var(--ink); font-weight: 600; }
.detail-desc { margin-top: 24px; color: var(--muted); font-size: 15px; max-width: 56ch; }
.detail-desc-alt { margin-top: 12px; color: var(--faint); font-size: 13px; max-width: 56ch; }
.detail-actions { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }

.detail-media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #08080A;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
}
.detail-media video { width: 100%; height: 100%; object-fit: contain; }
.detail-media-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em;
  color: var(--faint);
}
.detail-media-cap a { color: var(--muted); border-bottom: 1px solid var(--line-strong); transition: color 0.25s; }
.detail-media-cap a:hover { color: var(--accent); }

/* Modes panel (prompt-writing detail) */
.modes-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px;
}
.mode-card {
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface);
  padding: 18px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.mode-card:hover { border-color: #FFD166; transform: translateY(-3px); }
.mode-card .mc-id {
  font-family: var(--font-mono); font-size: 15px; font-weight: 700;
  color: #FFD166; letter-spacing: 0.04em;
}
.mode-card .mc-desc { margin-top: 9px; font-size: 12.5px; color: var(--muted); line-height: 1.55; }

/* Detail sections */
.detail-section { padding: clamp(48px, 7vw, 88px) 0 0; }
.detail-section-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.detail-section-idx {
  font-family: var(--font-mono); font-size: 11px; color: var(--accent);
  letter-spacing: 0.14em;
}
.detail-section-title {
  font-size: clamp(20px, 2.4vw, 28px); font-weight: 700; letter-spacing: -0.02em;
}
.detail-section-line { flex: 1; height: 1px; background: var(--line); }

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 14px;
}
.spec-card {
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface);
  padding: 20px 22px;
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 14px; color: var(--muted); line-height: 1.6;
}
.spec-card .spec-ico {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
}

/* Workflow timeline */
.workflow { position: relative; padding-left: 34px; }
.workflow::before {
  content: "";
  position: absolute; left: 10px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--line-strong) 30%, var(--line));
}
.wf-step {
  position: relative;
  padding: 0 0 26px 18px;
}
.wf-step:last-child { padding-bottom: 0; }
.wf-step::before {
  content: "";
  position: absolute; left: -29px; top: 7px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.wf-step:last-child::before { background: var(--accent); box-shadow: 0 0 14px rgba(255, 108, 55, 0.7); }
.wf-idx {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--faint);
}
.wf-title { font-size: 16.5px; font-weight: 650; letter-spacing: -0.01em; margin-top: 3px; }
.wf-desc { font-size: 13.5px; color: var(--muted); margin-top: 5px; max-width: 62ch; }

/* Best for / Not for */
.fit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 14px; }
.fit-card { border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px; background: var(--surface); }
.fit-card.fit-yes { border-color: rgba(98, 209, 135, 0.25); }
.fit-card.fit-no { border-color: rgba(255, 92, 92, 0.22); }
.fit-head {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  margin-bottom: 15px; text-transform: uppercase;
}
.fit-yes .fit-head { color: var(--good); }
.fit-no .fit-head { color: var(--bad); }
.fit-list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14px; color: var(--muted);
  padding: 6px 0;
}
.fit-list li::before {
  font-family: var(--font-mono); flex-shrink: 0; font-size: 12px; margin-top: 2px;
}
.fit-yes .fit-list li::before { content: "+"; color: var(--good); }
.fit-no .fit-list li::before { content: "–"; color: var(--bad); }

/* Sources */
.source-list { display: flex; flex-direction: column; gap: 9px; }
.source-link {
  display: flex; align-items: center; gap: 13px;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 18px;
  font-size: 13.5px; color: var(--muted);
  transition: all 0.22s var(--ease-out);
  background: var(--bg-2);
}
.source-link:hover { border-color: var(--accent); color: var(--ink); transform: translateX(4px); }
.source-link .sl-ico { color: var(--accent); font-family: var(--font-mono); font-size: 11px; flex-shrink: 0; }
.source-link .sl-label { flex: 1; }
.source-link .sl-ext { font-family: var(--font-mono); font-size: 10px; color: var(--faint); letter-spacing: 0.1em; }

/* Prev / next nav */
.detail-nav {
  margin-top: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr;
}
.detail-nav a {
  padding: 26px 8px;
  display: flex; flex-direction: column; gap: 6px;
  transition: background 0.25s;
}
.detail-nav a:hover { background: var(--surface); }
.detail-nav .dn-dir { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--faint); }
.detail-nav .dn-name { font-size: 15px; font-weight: 650; color: var(--ink); }
.detail-nav a.next { text-align: right; align-items: flex-end; border-left: 1px solid var(--line); }
.detail-nav a.disabled { opacity: 0.3; pointer-events: none; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  margin-top: clamp(72px, 10vw, 140px);
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.footer-grid {
  max-width: var(--max-w); margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) clamp(16px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: clamp(28px, 4vw, 64px);
}
.footer-kicker {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--accent); margin-bottom: 16px; text-transform: uppercase;
}
.footer-statement, .footer-legal { font-size: 13px; color: var(--muted); line-height: 1.8; }
.footer-links li { padding: 4px 0; }
.footer-links a {
  font-size: 13px; color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}
.footer-links a:hover { color: var(--accent); border-color: var(--accent); }
.footer-base {
  max-width: var(--max-w); margin: 0 auto;
  padding: 20px clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  color: var(--faint);
}

/* ==========================================================================
   Entrance animation defaults (JS/GSAP hooks)
   ========================================================================== */
.js-reveal { opacity: 0; }
.no-js .js-reveal, .js-reveal.revealed { opacity: 1; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .foundation-card { grid-template-columns: 1fr; }
  .foundation-card::after { font-size: 110px; }
  .detail-top { grid-template-columns: 1fr; }
  .detail-media { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-bg-frame {
    opacity: 0.34;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.55) 62%, transparent 96%);
    mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.55) 62%, transparent 96%);
  }
}
@media (max-width: 640px) {
  .site-nav .nav-link { display: none; }
  .brand-sub { display: none; }
  .hero-title { letter-spacing: -0.035em; }
  .marquee-item { width: 160px; }
  .footer-grid { grid-template-columns: 1fr; }
  .detail-nav { grid-template-columns: 1fr; }
  .detail-nav a.next { border-left: none; border-top: 1px solid var(--line); align-items: flex-start; text-align: left; }
  .install-block { flex-wrap: wrap; padding: 14px 16px; }
  .install-block code { white-space: normal; word-break: break-all; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain { animation: none; }
  .marquee-track { animation-duration: 240s; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .hero-bg-video { display: none; }
}

/* ==========================================================================
   Anthology view (官方提示词合辑)
   ========================================================================== */
.anth-hero { position: relative; padding: clamp(104px, 15vw, 180px) 0 clamp(44px, 6vw, 76px); }
.anth-hero-inner { position: relative; }

.anth-index {
  position: sticky; top: var(--header-h); z-index: 30;
  background: rgba(12, 12, 14, 0.82);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.anth-index-inner {
  display: flex; gap: 8px; align-items: center;
  padding-top: 12px; padding-bottom: 12px;
  overflow-x: auto; scrollbar-width: none;
}
.anth-index-inner::-webkit-scrollbar { display: none; }
.anth-index-chip {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 14px;
  transition: all 0.22s var(--ease-out);
}
.anth-index-chip:hover { color: var(--ink); border-color: var(--accent); }
.anth-index-num { color: var(--accent); font-size: 10px; letter-spacing: 0.1em; }

.anth-group { padding: clamp(52px, 7vw, 88px) 0 0; }
.anth-group-head {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}
.anth-group-idx {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.06em;
}
.anth-group-title {
  font-size: clamp(24px, 3vw, 38px); font-weight: 720;
  letter-spacing: -0.03em; line-height: 1.1;
}
.anth-group-count {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--faint);
  flex-shrink: 0;
}
.anth-group-head .detail-section-line { margin-left: auto; }

.anth-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 24px);
}

.anth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  position: relative;
}
.anth-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 108, 55, 0.45);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}
.anth-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.anth-card-title {
  font-size: 15.5px; font-weight: 650; letter-spacing: -0.015em; line-height: 1.35;
}
.anth-modes { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; flex-shrink: 0; }
.anth-mode {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 5px; padding: 3px 7px;
  text-transform: uppercase;
}
.anth-refs {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  line-height: 1.55;
}
.anth-refs-label {
  display: inline-block;
  font-size: 9px; letter-spacing: 0.16em;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  border-radius: 4px; padding: 2px 6px;
  margin-right: 8px;
  vertical-align: 1px;
}
.anth-prompt { margin-top: 2px; }
.anth-prompt-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.anth-prompt-label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.22em;
  color: var(--faint);
}
.anth-prompt pre {
  background: #101013;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  height: 236px; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent;
}
.anth-prompt pre::-webkit-scrollbar { width: 6px; }
.anth-prompt pre::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.anth-prompt code {
  font-family: var(--font-mono);
  font-size: 12px; line-height: 1.55;
  color: #D8D3C8;
  white-space: pre-wrap; word-break: break-word;
}
.anth-copy {
  flex-shrink: 0;
  background: var(--surface-2);
}
.anth-copy:hover { background: var(--accent-soft); }

.anth-note {
  padding: clamp(48px, 6vw, 72px) 0 clamp(28px, 4vw, 40px);
  text-align: center;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--faint);
}

@media (max-width: 900px) {
  .anth-grid { grid-template-columns: 1fr; }
  .anth-group-head { flex-wrap: wrap; }
}

/* ---------- Home: anthology entry banner ---------- */
.anth-entry { padding-bottom: clamp(24px, 4vw, 48px); }
.anth-banner {
  position: relative;
  display: flex; align-items: stretch; justify-content: space-between; gap: 28px;
  background:
    linear-gradient(90deg, rgba(18, 18, 22, 0.97) 0%, rgba(18, 18, 22, 0.9) 28%, rgba(18, 18, 22, 0.74) 50%, rgba(18, 18, 22, 0.52) 68%, rgba(18, 18, 22, 0.34) 84%, rgba(18, 18, 22, 0.24) 100%),
    url("../data/anthology-images/ed-addperson.jpg") right center / cover no-repeat,
    #15151A;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: clamp(26px, 4vw, 44px);
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
}
.anth-banner:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 108, 55, 0.5);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}
.anth-banner-glow {
  position: absolute; inset: auto -20% -70% auto;
  width: 60%; height: 120%;
  background: radial-gradient(closest-side, rgba(255, 108, 55, 0.16), transparent 70%);
  pointer-events: none;
}
.anth-banner-body { position: relative; max-width: 640px; }
.anth-banner-kicker {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.2em; color: var(--accent);
  display: flex; align-items: center; gap: 10px;
}
.anth-banner-title {
  margin-top: 16px;
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 720; letter-spacing: -0.03em; line-height: 1.15;
}
.anth-banner-title i { color: var(--accent); }
.anth-banner-sub {
  margin-top: 14px;
  color: var(--muted);
  font-size: clamp(14px, 1.4vw, 16px);
  max-width: 560px;
}
.anth-banner-meta {
  margin-top: 22px;
  display: flex; gap: clamp(18px, 3vw, 36px); flex-wrap: wrap;
}
.anth-banner-meta span {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--faint);
}
.anth-banner-meta b { color: var(--ink); font-size: 15px; margin-right: 5px; letter-spacing: 0; }
.anth-banner-cta {
  position: relative;
  display: flex; align-items: center; flex-shrink: 0;
}
.anth-banner-chips {
  margin-top: 16px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.anth-banner-chips .anth-index-chip { background: var(--surface); }
.anth-banner-chips .anth-index-chip:hover { color: var(--ink); border-color: var(--accent); }
.anth-group { scroll-margin-top: calc(var(--header-h) + 16px); }

@media (max-width: 860px) {
  .anth-banner { flex-direction: column; }
  .anth-banner-cta { width: 100%; }
  .anth-banner-cta .btn { width: 100%; justify-content: center; }
}

.anth-hero-chips {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: flex; flex-wrap: wrap; gap: 8px;
  max-width: 780px;
}

.anth-hero .stat .stat-num b { color: var(--accent); }

/* ---------- Anthology card reference image ---------- */
.anth-media {
  margin: -22px -22px 14px;
  height: 264px;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  background: #101013;
}
.anth-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease-out);
}
.anth-card:hover .anth-media img { transform: scale(1.05); }
.anth-media-zoom {
  position: absolute; right: 12px; bottom: 12px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 15px; line-height: 1;
  color: var(--ink);
  background: rgba(12, 12, 14, 0.65);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.25s var(--ease-out);
}
.anth-card:hover .anth-media-zoom { opacity: 1; transform: translateY(0); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8, 8, 10, 0.92);
  display: flex; align-items: center; justify-content: center;
  cursor: zoom-out;
  padding: clamp(16px, 4vw, 56px);
  animation: lb-in 0.25s var(--ease-out);
}
.lightbox img {
  max-width: 100%; max-height: 100%;
  border-radius: 10px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}
@keyframes lb-in { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }

/* ---------- Anthology hero rotating images ---------- */
.anth-hero-bg .hero-bg-frame img {
  transition: opacity 1.2s ease;
  animation: anth-hero-zoom 7.2s ease-in-out infinite alternate;
}
@keyframes anth-hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.07); }
}
@media (prefers-reduced-motion: reduce) {
  .anth-hero-bg .hero-bg-frame img { animation: none; }
}

.anth-disclaimer {
  margin: 16px auto 0;
  max-width: 760px;
  font-family: var(--font-sans);
  font-size: 10.5px; line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--faint);
  text-transform: none;
}