/* ============================================================
   哔哩番剧 TV · 官网
   深空 / 极光 / 熔金 —— 纯静态实现，无外部依赖
   ============================================================ */

:root {
  --ink: #05070c;
  --ink-soft: #080c15;
  --text: #eaf2ff;
  --dim: rgba(234, 242, 255, 0.58);
  --line: rgba(160, 200, 255, 0.12);

  --aurora-1: #2ee6c0;
  --aurora-2: #37b8ff;
  --aurora-3: #8a5cff;
  --gold: #ffc24a;
  --ember: #ff6a3d;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: rgba(46, 230, 192, 0.28); color: #fff; }

/* ─────────── 氛围层 ─────────── */

#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

.aurora-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  filter: blur(90px);
}

.blob {
  position: absolute;
  display: block;
  border-radius: 50%;
  opacity: 0.4;
  mix-blend-mode: screen;
  animation: drift 26s ease-in-out infinite alternate;
}

.b1 {
  width: 52vw; height: 52vw; top: -16vw; left: -10vw;
  background: radial-gradient(circle at 40% 40%, rgba(46, 230, 192, 0.55), transparent 62%);
}
.b2 {
  width: 46vw; height: 46vw; top: 12vw; right: -12vw;
  background: radial-gradient(circle at 50% 50%, rgba(138, 92, 255, 0.5), transparent 64%);
  animation-duration: 32s; animation-delay: -6s;
}
.b3 {
  width: 40vw; height: 40vw; bottom: -14vw; left: 34vw;
  background: radial-gradient(circle at 50% 50%, rgba(255, 194, 74, 0.28), transparent 64%);
  animation-duration: 38s; animation-delay: -12s;
}

@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(4vw, 6vw, 0) scale(1.18); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.6'/></svg>");
}

.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 620px; height: 620px;
  margin: -310px 0 0 -310px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 8;
  opacity: 0;
  background: radial-gradient(circle, rgba(90, 210, 255, 0.16), rgba(46, 230, 192, 0.07) 42%, transparent 68%);
  mix-blend-mode: screen;
  transition: opacity 0.6s ease;
  will-change: transform;
}

.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.06);
}

.scroll-progress i {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--aurora-1), var(--aurora-2) 45%, var(--gold));
  box-shadow: 0 0 18px rgba(46, 230, 192, 0.6);
}

/* ─────────── 导航 ─────────── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 26px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid transparent;
  transition: padding 0.5s var(--ease), background 0.5s ease,
    backdrop-filter 0.5s ease, border-color 0.5s ease;
}

.nav.is-pinned {
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(5, 7, 12, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 12px;
  font-size: 1.05rem;
  color: #041014;
  background: linear-gradient(135deg, var(--aurora-1), var(--aurora-2));
  box-shadow: 0 0 26px rgba(46, 230, 192, 0.45);
}

.brand-text em {
  font-style: normal;
  margin-left: 6px;
  font-size: 0.72em;
  letter-spacing: 0.24em;
  color: var(--aurora-1);
}

.nav-links { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 38px); }

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 2px;
  color: var(--dim);
  transition: color 0.35s ease;
}

.nav-links a b { font-size: 0.98rem; font-weight: 700; }
.nav-links a span { font-size: 0.7rem; letter-spacing: 0.18em; opacity: 0.62; }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--aurora-1), transparent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.45s var(--ease);
}

.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #02110f;
  background: linear-gradient(120deg, var(--aurora-1), var(--aurora-2));
  box-shadow: 0 8px 30px -10px rgba(46, 230, 192, 0.8);
  transition: transform 0.35s var(--ease), box-shadow 0.35s ease;
}

.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 38px -8px rgba(46, 230, 192, 0.9); }

/* ─────────── HERO ─────────── */

.hero {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px clamp(20px, 6vw, 96px) 120px;
}

.hero-inner { max-width: 1180px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(18px, 2.4vw, 32px);
  font-size: 0.76rem;
  letter-spacing: 0.34em;
  color: rgba(234, 242, 255, 0.66);
}

.hero-eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--aurora-1);
  animation: pulse 2.6s ease-out infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 230, 192, 0.6); }
  70% { box-shadow: 0 0 0 16px rgba(46, 230, 192, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 230, 192, 0); }
}

.hero-title {
  margin: 0;
  font-size: clamp(3.1rem, 11.2vw, 10.4rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.06em; }

.hero-title .clip {
  display: block;
  transform: translateY(112%);
  animation: lineUp 1.25s var(--ease) forwards;
  will-change: transform;
}

.hero-title .l2 .clip {
  animation-delay: 0.14s;
  background: linear-gradient(100deg, #fff2c8 4%, var(--gold) 30%, var(--aurora-1) 66%, #8fc2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-title .l1 .clip { color: #f4f9ff; }

@keyframes lineUp { to { transform: translateY(0); } }

.hero-sub {
  margin: clamp(24px, 3vw, 40px) 0 0;
  max-width: 34ch;
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  line-height: 1.9;
  color: rgba(234, 242, 255, 0.72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: clamp(28px, 3.4vw, 46px);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 34px;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform 0.3s var(--ease), box-shadow 0.4s ease,
    background 0.4s ease, border-color 0.4s ease;
  will-change: transform;
}

.btn svg {
  width: 18px; height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.4s var(--ease);
}

.btn-primary {
  color: #01100d;
  background: linear-gradient(120deg, #7dffdd, var(--aurora-1) 40%, #59c8ff);
  box-shadow: 0 18px 46px -18px rgba(46, 230, 192, 0.9);
}

.btn-primary:hover { box-shadow: 0 24px 60px -16px rgba(46, 230, 192, 1); }
.btn-primary:hover svg { transform: translateX(6px); }
.btn-primary:hover svg.dl { transform: translateY(4px); }

.btn-ghost {
  color: var(--text);
  border: 1px solid rgba(180, 215, 255, 0.22);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover { border-color: rgba(46, 230, 192, 0.65); background: rgba(46, 230, 192, 0.08); }

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 5vw, 72px);
  margin: clamp(38px, 5vw, 68px) 0 0;
  padding: 0;
  list-style: none;
}

.hero-metrics li { display: flex; flex-direction: column; gap: 2px; }

.hero-metrics strong {
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #fff, rgba(160, 215, 255, 0.55));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-metrics span { font-size: 0.76rem; letter-spacing: 0.26em; color: var(--dim); }

.scroll-hint {
  position: absolute;
  left: clamp(20px, 6vw, 96px);
  bottom: 38px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: rgba(234, 242, 255, 0.45);
}

.scroll-hint i {
  position: relative;
  display: block;
  width: 1px;
  height: 46px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.scroll-hint i::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 18px;
  background: linear-gradient(180deg, transparent, var(--aurora-1));
  animation: drip 2.2s ease-in-out infinite;
}

@keyframes drip {
  0% { transform: translateY(-20px); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(52px); opacity: 0; }
}

/* ─────────── 跑马灯 ─────────── */

.marquee {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: clamp(22px, 3vw, 40px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  width: max-content;
  white-space: nowrap;
  font-size: clamp(2.4rem, 7vw, 6.4rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(170, 215, 255, 0.22);
  animation: marquee 30s linear infinite;
}

.marquee-track b {
  color: var(--gold);
  -webkit-text-stroke: 0;
  opacity: 0.55;
  font-size: 0.5em;
}

@keyframes marquee { to { transform: translateX(-50%); } }

/* ─────────── 通用章节 ─────────── */

.section {
  position: relative;
  z-index: 2;
  padding: clamp(80px, 11vw, 170px) clamp(20px, 6vw, 96px);
  max-width: 1440px;
  margin: 0 auto;
}

.section-head { max-width: 900px; }

.section-head.center { margin: 0 auto; text-align: center; }

.kicker {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.42em;
  color: var(--aurora-1);
}

.section-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.section-desc {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: var(--dim);
}

.section-head.center .section-desc { margin-inline: auto; }

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  transition-delay: calc(var(--d, 0) * 110ms);
}

.reveal.in { opacity: 1; transform: none; }

/* ─────────── 序 ─────────── */

.manifesto { overflow: hidden; }

.manifesto-body { margin-top: clamp(38px, 5vw, 72px); max-width: 1080px; }

.big-text {
  margin: 0 0 0.14em;
  font-size: clamp(1.55rem, 4.1vw, 3.6rem);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -0.015em;
  color: rgba(234, 242, 255, 0.92);
}

.big-text .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em) rotate(4deg);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i) * 24ms);
}

.big-text.in .ch { opacity: 1; transform: none; }

.gold-text {
  background: linear-gradient(96deg, #fff4cf, var(--gold) 46%, var(--ember));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gold-text .ch {
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.fine-text {
  margin: clamp(28px, 3.4vw, 44px) 0 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.16vw, 1.06rem);
  line-height: 2.05;
  color: var(--dim);
}

.manifesto-lines { position: absolute; inset: 0; pointer-events: none; z-index: -1; }

.line-aurora {
  position: absolute;
  left: -10%;
  top: 24%;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(46, 230, 192, 0.55), transparent);
  transform: rotate(-8deg) translate3d(0, var(--py, 0px), 0);
  box-shadow: 0 0 24px rgba(46, 230, 192, 0.35);
  will-change: transform;
}

.line-aurora.alt {
  top: 68%;
  background: linear-gradient(90deg, transparent, rgba(255, 194, 74, 0.45), transparent);
  transform: rotate(5deg) translate3d(0, var(--py, 0px), 0);
  box-shadow: 0 0 24px rgba(255, 194, 74, 0.28);
}

/* ─────────── 量 ─────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(48px, 6vw, 84px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
}

.stat {
  position: relative;
  padding: clamp(26px, 3vw, 42px);
  background: rgba(8, 12, 21, 0.72);
  transition: background 0.5s ease;
}

.stat:hover { background: rgba(14, 22, 36, 0.9); }

.stat em {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-style: normal;
  font-size: clamp(2.6rem, 5.4vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(170deg, #fff 10%, var(--aurora-1) 62%, #4b9dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat em small {
  font-size: 0.34em;
  font-weight: 700;
  color: var(--gold);
  -webkit-text-fill-color: var(--gold);
}

.stat h3 { margin: 18px 0 8px; font-size: 1.02rem; font-weight: 800; letter-spacing: 0.04em; }

.stat p { margin: 0; font-size: 0.86rem; line-height: 1.85; color: var(--dim); }

/* ─────────── 能 ─────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.8vw, 26px);
  margin-top: clamp(44px, 5vw, 76px);
}

.feature-card {
  position: relative;
  padding: clamp(26px, 2.6vw, 40px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: border-color 0.45s ease, transform 0.4s var(--ease), box-shadow 0.5s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(46, 230, 192, 0.55), transparent 42%, rgba(255, 194, 74, 0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.feature-card:hover::before { opacity: 1; }

.feature-card:hover {
  border-color: transparent;
  box-shadow: 0 30px 70px -40px rgba(46, 230, 192, 0.7);
}

.fx-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  color: rgba(46, 230, 192, 0.72);
}

.feature-card h3 {
  margin: 16px 0 10px;
  font-size: clamp(1.15rem, 1.6vw, 1.42rem);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.feature-card p { margin: 0; font-size: 0.9rem; line-height: 1.9; color: var(--dim); }

.fx-spot {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(
    320px circle at var(--mx, 50%) var(--my, 50%),
    rgba(46, 230, 192, 0.16),
    transparent 62%
  );
}

.feature-card:hover .fx-spot { opacity: 1; }

/* ─────────── 视 ─────────── */

.showcase {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: clamp(18px, 2.4vw, 32px);
  margin-top: clamp(46px, 5vw, 78px);
  perspective: 1400px;
}

.shot {
  position: relative;
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(170, 210, 255, 0.16);
  background: #070b12;
  box-shadow: 0 40px 90px -50px rgba(0, 0, 0, 0.95);
  transform-style: preserve-3d;
  will-change: transform;
  transform: translate3d(0, var(--py, 0px), 0) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: box-shadow 0.5s ease, border-color 0.5s ease;
}

.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(120, 220, 255, 0.14), transparent 42%);
}

.shot:hover {
  border-color: rgba(46, 230, 192, 0.55);
  box-shadow: 0 50px 110px -50px rgba(46, 230, 192, 0.55);
}

.shot img { width: 100%; height: auto; }

.shot-main { grid-row: span 2; }
.shot-main img { height: 100%; object-fit: cover; }

.shot figcaption {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 44px 22px 18px;
  background: linear-gradient(180deg, transparent, rgba(3, 6, 11, 0.92));
  transform: translateY(6px);
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.5s ease;
}

.shot:hover figcaption { transform: none; opacity: 1; }

.shot figcaption b { font-size: 0.98rem; letter-spacing: 0.06em; }
.shot figcaption span { font-size: 0.78rem; color: var(--dim); }

/* ─────────── 行 ─────────── */

.voyage {
  text-align: center;
  padding-bottom: clamp(90px, 12vw, 190px);
  overflow: hidden;
}

.voyage-glow {
  position: absolute;
  left: 50%;
  top: 40%;
  width: min(1100px, 120vw);
  height: 560px;
  transform: translate(-50%, calc(-50% + var(--py, 0px)));
  background: radial-gradient(ellipse at center, rgba(46, 230, 192, 0.22), rgba(138, 92, 255, 0.14) 42%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
  z-index: -1;
  will-change: transform;
}

.voyage-inner { position: relative; max-width: 900px; margin: 0 auto; }

.voyage-title {
  margin: 0 0 clamp(18px, 2vw, 26px);
  font-size: clamp(2.4rem, 7.4vw, 6.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.voyage-title .line { display: block; overflow: hidden; padding-bottom: 0.06em; }

.voyage-title .clip {
  display: block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease);
}

.voyage.in .voyage-title .clip { transform: none; }
.voyage.in .voyage-title .l2 .clip { transition-delay: 0.12s; }

.voyage-title .l2 .clip {
  background: linear-gradient(100deg, #ffeeb8, var(--gold) 40%, var(--ember) 86%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cmd {
  margin: clamp(34px, 4vw, 52px) auto 0;
  max-width: 660px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(4, 8, 14, 0.86);
  overflow: hidden;
  box-shadow: 0 30px 70px -44px rgba(0, 0, 0, 1);
}

.cmd-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.cmd-bar i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.cmd-bar i:first-child { background: #ff6a5f; }
.cmd-bar i:nth-child(2) { background: #ffc24a; }
.cmd-bar i:nth-child(3) { background: #2ee6c0; }

.cmd-bar span {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.cmd pre { margin: 0; padding: 20px 22px; overflow-x: auto; }

.cmd code {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.95;
  color: #d7ecff;
  white-space: pre;
}

.cmd .c-com { color: rgba(46, 230, 192, 0.62); }

.voyage .hero-actions { justify-content: center; }

/* ─────────── 页脚 ─────────── */

.footer {
  position: relative;
  z-index: 2;
  padding: clamp(40px, 5vw, 68px) clamp(20px, 6vw, 96px) clamp(46px, 6vw, 72px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.55));
  text-align: center;
}

.footer-mark {
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.footer-mark em {
  font-style: normal;
  margin-left: 5px;
  font-size: 0.7em;
  letter-spacing: 0.24em;
  color: var(--aurora-1);
}

.footer-note {
  max-width: 62ch;
  margin: 16px auto 0;
  font-size: 0.78rem;
  line-height: 1.9;
  color: rgba(234, 242, 255, 0.42);
}

.footer-meta {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: rgba(234, 242, 255, 0.28);
}

/* ─────────── 响应式 ─────────── */

@media (max-width: 1080px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase { grid-template-columns: 1fr; }
  .shot-main { grid-row: auto; }
  .shot-main img { height: auto; }
}

@media (max-width: 760px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .nav.is-pinned { padding: 12px 20px; }

  .hero { padding: 120px 20px 96px; }
  .hero-title { font-size: clamp(2.6rem, 15vw, 4.4rem); }
  .hero-sub { font-size: 0.98rem; }

  .btn { padding: 14px 26px; font-size: 0.9rem; }
  .hero-metrics { gap: 26px; }

  .section { padding: 72px 20px; }
  .card-grid, .stat-grid { grid-template-columns: 1fr; }
  .marquee-track { font-size: 2.2rem; }
  .cursor-glow { display: none; }
  .scroll-hint { display: none; }
}

/* ─────────── 动效偏好 ─────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-title .clip, .voyage-title .clip { transform: none; }
  .big-text .ch { opacity: 1; transform: none; }
}