/* ==========================================================================
   HONEZEN · 恒臻 — 官网样式 v5
   统一的深色体系：一套底色、一套卡片、一套字号；靠「色调」而非「明暗」分区
   Hero(深蓝) → 业务(深蓝) → AI(更深+紫光) → 产品(深蓝) → 影视(暖炭) → 关于 → 联系
   ========================================================================== */

:root {
  /* 一套统一的深色底，只做细微色温/明度变化 */
  --bg:        #0b1220;   /* 全局基准 */
  --bg-soft:   #0d1526;   /* 业务 / 产品 */
  --bg-deep:   #080e1a;   /* AI 带 */
  --bg-warm:   #17120d;   /* 影视带（暖炭，仍是深色）*/
  --bg-warm-2: #120e0a;

  --panel:     #111a2b;
  --panel-2:   #162034;

  --line:      rgba(255, 255, 255, 0.09);
  --line-2:    rgba(255, 255, 255, 0.14);

  --fg:        #e9edf6;
  --dim:       #9aa6bb;
  --dim-2:     #6d7a92;

  --accent:    #5b8cff;
  --accent-2:  #22d3ee;
  --violet:    #8b5cf6;
  --gold:      #e0b465;

  --radius:    18px;
  --radius-sm: 14px;
  --wrap:      1180px;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
          "Liberation Mono", "Courier New", monospace;

  --shadow:  0 24px 60px -40px rgba(0, 0, 0, 0.9);
  --shadow-poster: 0 34px 70px -34px rgba(0, 0, 0, 0.95);
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: rgba(91, 140, 255, 0.35); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 28px;
}

.mono-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

/* ==========================================================================
   导航（全站深色，滚动后加毛玻璃）
   ========================================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.nav.is-stuck {
  background: rgba(11, 18, 32, 0.82);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
}

.nav__inner { display: flex; align-items: center; gap: 30px; height: 76px; }

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.brand__mark {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 9px;
  color: var(--accent-2);
  background: rgba(91, 140, 255, 0.14);
  border: 1px solid rgba(34, 211, 238, 0.26);
}

.brand__mark svg { width: 17px; height: 17px; }

.brand__en { font-size: 1.02rem; font-weight: 800; letter-spacing: 0.22em; color: #fff; }
.brand__cn { font-size: 0.78rem; letter-spacing: 0.3em; color: var(--dim-2); }

.nav__links { display: flex; align-items: center; gap: 26px; margin-left: auto; }

.nav__links a {
  font-size: 0.88rem;
  color: var(--dim);
  letter-spacing: 0.03em;
  position: relative;
  padding-block: 6px;
  transition: color 0.25s;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s var(--ease);
}

.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { width: 100%; }

.lang {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.lang button {
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--dim-2);
  transition: color 0.2s, background 0.2s;
}

.lang button[aria-pressed="true"] {
  color: #061019;
  background: linear-gradient(120deg, #cfe0ff, #8ff3ff);
  font-weight: 700;
}

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  place-items: center;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--fg);
  content: "";
  transition: transform 0.3s var(--ease);
}

.nav__toggle span { position: relative; }
.nav__toggle span::before { position: absolute; top: -5px; }
.nav__toggle span::after  { position: absolute; top: 5px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 164px 0 112px;
  overflow: hidden;
  background:
    radial-gradient(940px 540px at 80% -14%, rgba(139, 92, 246, 0.24), transparent 64%),
    radial-gradient(760px 460px at 6% 2%, rgba(34, 211, 238, 0.13), transparent 62%),
    radial-gradient(620px 420px at 100% 60%, rgba(224, 180, 101, 0.07), transparent 66%),
    linear-gradient(180deg, #0d1526 0%, var(--bg) 72%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.hero__glow--a { width: 520px; height: 320px; top: -100px; right: 5%; background: rgba(91, 140, 255, 0.30); }
.hero__glow--b { width: 420px; height: 260px; top: 140px; left: -70px; background: rgba(34, 211, 238, 0.14); }

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(900px 460px at 46% 0%, #000 26%, transparent 78%);
  -webkit-mask-image: radial-gradient(900px 460px at 46% 0%, #000 26%, transparent 78%);
  pointer-events: none;
}

.hero__watermark {
  position: absolute;
  left: 50%;
  bottom: -0.16em;
  transform: translateX(-50%);
  font-size: clamp(150px, 22vw, 320px);
  font-weight: 800;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.07);
  user-select: none;
  pointer-events: none;
}

.hero__inner { position: relative; z-index: 1; }

.hero h1 {
  margin-top: 22px;
  font-size: clamp(2.2rem, 5.1vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 16em;
  text-wrap: balance;
  color: #fff;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #8ba4ff 0%, #5ce8f8 52%, #c4a8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  margin-top: 24px;
  max-width: 40em;
  color: var(--dim);
  font-size: clamp(0.96rem, 1.25vw, 1.06rem);
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background 0.25s, border-color 0.25s, color 0.25s;
}

.btn svg { width: 15px; height: 15px; }

.btn--primary {
  color: #061019;
  background: linear-gradient(120deg, #d7e3ff 0%, #8ef2ff 100%);
  box-shadow: 0 14px 34px -14px rgba(110, 231, 249, 0.55);
}

.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -14px rgba(110, 231, 249, 0.7); }

.btn--ghost {
  color: var(--fg);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03);
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.caps { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }

.caps li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 6px 13px;
  border-radius: 999px;
  color: rgba(233, 237, 246, 0.82);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.caps li::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.85);
  vertical-align: middle;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 66px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.stats > div { padding: 24px 28px; background: rgba(17, 26, 43, 0.72); }

.stats strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, #ffffff, #a9bdff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats span { display: block; margin-top: 2px; font-size: 0.8rem; letter-spacing: 0.06em; color: var(--dim-2); }

/* ==========================================================================
   通用 section —— 全部深色，仅色温不同
   ========================================================================== */
.section {
  position: relative;
  padding: 104px 0;
  scroll-margin-top: 80px;
  border-top: 1px solid var(--line);
}

.section--services { background: var(--bg-soft); }
.section--products { background: var(--bg-soft); }
.section--about    { background: var(--bg); }

.section--ai {
  background:
    radial-gradient(820px 420px at 84% 0%, rgba(91, 140, 255, 0.20), transparent 62%),
    radial-gradient(600px 360px at 12% 8%, rgba(139, 92, 246, 0.16), transparent 64%),
    linear-gradient(180deg, var(--bg-deep) 0%, #0a1222 100%);
  overflow: hidden;
}

.section--film {
  background:
    radial-gradient(760px 380px at 50% -12%, rgba(224, 180, 101, 0.16), transparent 68%),
    linear-gradient(180deg, var(--bg-warm) 0%, var(--bg-warm-2) 100%);
  border-top-color: rgba(224, 180, 101, 0.14);
  border-bottom: 1px solid rgba(224, 180, 101, 0.14);
}

.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 52px;
  position: relative;
  z-index: 1;
}

.section__title h2 {
  margin-top: 16px;
  font-size: clamp(1.6rem, 2.9vw, 2.3rem);
  line-height: 1.26;
  letter-spacing: -0.012em;
  font-weight: 700;
  color: #fff;
}

.section__title p { margin-top: 14px; max-width: 38em; color: var(--dim); font-size: 0.96rem; }

.section__aside {
  flex-shrink: 0;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-2);
  padding-bottom: 6px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim-2);
}

.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--accent-2);
  margin-right: 10px;
  font-weight: 700;
}

/* 统一卡片基底 */
.svc, .prod, .ai-item, .about__values > div {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.012) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* ==========================================================================
   01 业务
   ========================================================================== */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.svc {
  position: relative;
  padding: 32px 30px 34px;
  transition: transform 0.35s var(--ease), border-color 0.3s, background 0.3s;
  overflow: hidden;
}

.svc::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0.9;
}

.svc:nth-child(2)::before { background: linear-gradient(90deg, var(--gold), rgba(224, 180, 101, 0.35)); }
.svc:nth-child(3)::before { background: linear-gradient(90deg, var(--accent-2), rgba(34, 211, 238, 0.35)); }

.svc:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.svc__icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--accent);
  background: rgba(91, 140, 255, 0.12);
  border: 1px solid rgba(91, 140, 255, 0.18);
}

.svc:nth-child(2) .svc__icon { color: var(--gold); background: rgba(224, 180, 101, 0.10); border-color: rgba(224, 180, 101, 0.2); }
.svc:nth-child(3) .svc__icon { color: var(--accent-2); background: rgba(34, 211, 238, 0.10); border-color: rgba(34, 211, 238, 0.2); }

.svc__icon svg { width: 21px; height: 21px; }

.svc h3 { margin-top: 22px; font-size: 1.15rem; letter-spacing: 0.01em; color: #fff; }

.svc__en {
  display: block;
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-2);
}

.svc p { margin-top: 16px; color: var(--dim); font-size: 0.91rem; }

.svc ul {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.svc li { position: relative; padding-left: 18px; font-size: 0.88rem; color: #c3ccdd; }

.svc li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.68em;
  width: 7px; height: 1.5px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.7;
}

.svc:nth-child(2) li::before { background: var(--gold); }
.svc:nth-child(3) li::before { background: var(--accent-2); }

/* ==========================================================================
   02 AI 与工程能力
   ========================================================================== */
.ai-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; position: relative; z-index: 1; }

.ai-item {
  position: relative;
  padding: 30px 28px 32px;
  transition: transform 0.35s var(--ease), border-color 0.3s, background 0.3s;
}

.ai-item::after {
  content: "";
  position: absolute;
  left: 28px; right: 28px; top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-2), transparent);
  opacity: 0.5;
}

.ai-item:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.38);
  background: linear-gradient(180deg, rgba(91, 140, 255, 0.12) 0%, rgba(255, 255, 255, 0.015) 100%);
}

.ai-item__idx { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; color: var(--accent-2); }

.ai-item h3 { margin-top: 16px; font-size: 1.1rem; color: #fff; }

.ai-item p { margin-top: 12px; font-size: 0.9rem; color: var(--dim); }

.ai-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.ai-item__tags li {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 6px;
  color: rgba(233, 237, 246, 0.75);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

/* ==========================================================================
   03 产品
   ========================================================================== */
.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

.prod {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px;
  border-radius: var(--radius-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}

.prod:hover {
  transform: translateY(-3px);
  border-color: var(--line-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.prod__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.prod h3 { font-size: 1.02rem; color: #fff; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #8ff3c9;
  border: 1px solid rgba(110, 231, 183, 0.26);
  background: rgba(16, 185, 129, 0.10);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.9);
}

.prod p { color: var(--dim); font-size: 0.88rem; }

.prod__link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.84rem;
  font-weight: 600;
  color: #9db8ff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.prod__link::after { content: "→"; transition: transform 0.25s var(--ease); }
.prod:hover .prod__link::after { transform: translateX(4px); }

/* ==========================================================================
   04 影视作品（暖炭深色带）
   ========================================================================== */
.section--film .num { color: var(--gold); }
.section--film .eyebrow::before { background: linear-gradient(90deg, var(--gold), transparent); }
.section--film .eyebrow { color: rgba(224, 180, 101, 0.62); }
.section--film .section__aside { color: rgba(224, 180, 101, 0.55); }

.films { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }

.film { display: flex; flex-direction: column; }

.film__poster {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 7 / 10;
  background: #1c1712;
  border: 1px solid rgba(224, 180, 101, 0.16);
  box-shadow: var(--shadow-poster);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.3s;
}

.film:hover .film__poster {
  transform: translateY(-6px);
  border-color: rgba(224, 180, 101, 0.4);
  box-shadow: 0 44px 90px -36px rgba(0, 0, 0, 1);
}

.film__poster img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.film:hover .film__poster img { transform: scale(1.03); }

.film__poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 7, 4, 0.62) 100%);
  pointer-events: none;
}

.film__platform { position: absolute; z-index: 2; left: 12px; bottom: 12px; display: flex; gap: 6px; }

.chip {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(11, 18, 32, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f1f4fa;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}

.chip--gold {
  background: linear-gradient(120deg, #f0d099, #d8a755);
  border-color: rgba(255, 255, 255, 0.4);
  color: #3d2a0d;
  font-weight: 700;
}

.film__body { padding: 20px 2px 0; }

.film__body h3 { font-size: 1.1rem; letter-spacing: 0.01em; color: #fff; }

.film__meta {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--gold);
  font-weight: 600;
}

.film__body p { margin-top: 12px; font-size: 0.89rem; color: rgba(233, 237, 246, 0.6); }

.films__note {
  margin-top: 44px;
  padding: 20px 24px;
  border: 1px dashed rgba(224, 180, 101, 0.28);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: rgba(233, 237, 246, 0.5);
  background: rgba(224, 180, 101, 0.04);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.films__note svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--gold); }

/* ==========================================================================
   05 关于
   ========================================================================== */
.about { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: start; }

.about__text p { color: var(--dim); font-size: 0.96rem; margin-bottom: 16px; }
.about__text p strong { color: #fff; font-weight: 600; }

.about__values {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.about__values > div {
  padding: 24px 26px;
  border: 0;
  border-radius: 0;
  background: rgba(17, 26, 43, 0.85);
}

.about__values h4 { font-size: 0.9rem; display: flex; align-items: center; gap: 10px; color: #fff; }

.about__values h4 span:first-child {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 700;
}

.about__values > div:nth-child(2) h4 span:first-child { color: var(--violet); }
.about__values > div:nth-child(3) h4 span:first-child { color: var(--gold); }

.about__values p { margin-top: 8px; font-size: 0.86rem; color: var(--dim); }

/* ==========================================================================
   06 联系
   ========================================================================== */
.contact {
  position: relative;
  text-align: center;
  padding: 100px 0 108px;
  background:
    radial-gradient(700px 340px at 50% 0%, rgba(91, 140, 255, 0.14), transparent 66%),
    var(--bg-soft);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.contact .eyebrow { justify-content: center; }

.contact h2 {
  margin-top: 20px;
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #fff;
}

.contact > .wrap > p { margin: 18px auto 0; max-width: 34em; color: var(--dim); font-size: 0.96rem; }

.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 920px;
  margin: 52px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
  text-align: left;
}

.contact__grid > div { padding: 24px 26px; background: rgba(17, 26, 43, 0.9); }

.contact__grid dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-2);
}

.contact__grid dd { margin-top: 8px; font-size: 0.95rem; color: var(--fg); word-break: break-all; }
.contact__grid dd.is-todo { color: var(--dim-2); font-size: 0.88rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #070c15;
  padding: 48px 0 56px;
  font-size: 0.82rem;
  color: var(--dim-2);
  border-top: 1px solid var(--line);
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.footer__brand { display: flex; align-items: baseline; gap: 10px; }

.footer__brand b { font-size: 0.98rem; letter-spacing: 0.22em; color: #fff; font-weight: 800; }
.footer__brand span { letter-spacing: 0.28em; color: var(--dim-2); }

.footer__nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer__nav a { color: var(--dim); transition: color 0.2s; }
.footer__nav a:hover { color: #fff; }

.footer__legal { padding-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
.footer__legal a { color: var(--dim); transition: color 0.2s; }
.footer__legal a:hover { color: #fff; }

.footer__police { display: inline-flex; align-items: center; gap: 7px; }
.footer__police img { height: 16px; width: auto; opacity: 0.75; }

/* ==========================================================================
   英文模式
   ========================================================================== */
html[data-lang="en"] .svc__en { display: none; }
html[data-lang="en"] .about__values h4 > span:first-child { display: none; }

/* ==========================================================================
   入场动画
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .services, .products, .films, .ai-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about { grid-template-columns: 1fr; gap: 40px; }
  .section__head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .section__aside { text-align: left; padding: 0; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin: 0;
    padding: 14px 20px 22px;
    background: rgba(11, 18, 32, 0.97);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s var(--ease);
  }

  .nav.is-open .nav__links { opacity: 1; transform: none; pointer-events: auto; }
  .nav__links a { width: 100%; padding: 11px 0; font-size: 1rem; }
  .nav__toggle { display: grid; }
}

@media (max-width: 760px) {
  .wrap { padding-inline: 20px; }

  .hero { padding: 130px 0 84px; }
  .hero h1 { max-width: none; }
  .hero__watermark { display: none; }
  .stats { grid-template-columns: 1fr; margin-top: 48px; }

  .eyebrow { letter-spacing: 0.14em; gap: 8px; }
  .section { padding: 74px 0; }
  .services, .products, .films, .ai-grid { grid-template-columns: 1fr; }
  .films { gap: 34px; }
  .film__poster { max-width: 420px; }
  .caps li { font-size: 0.68rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}