/* ══════════════════════════════════════════════════════════════
   孙凯 · SUN KAI — 视觉体系
   深海军蓝 / 电蓝强调 / 大字号紧字距 / 地平线辉光
   ══════════════════════════════════════════════════════════════ */

/* ─────────── 1. 变量 ─────────── */
:root {
  /* 基底 */
  --bg: #090d14;
  --bg-sunken: #070a0f;
  --panel: #0c1017;
  --panel-2: #101620;
  --panel-3: #141b27;

  /* 文字 */
  --ink: #eef1ea;
  --ink-dim: rgba(238, 241, 234, 0.76);
  --ink-mute: rgba(238, 241, 234, 0.58);
  --ink-faint: rgba(238, 241, 234, 0.38);

  /* 线 */
  --line: rgba(238, 241, 234, 0.1);
  --line-soft: rgba(238, 241, 234, 0.055);
  --line-strong: rgba(238, 241, 234, 0.18);

  /* 强调 */
  --accent: #519dfc;
  --accent-2: #6ca7ff;
  --accent-deep: #3a79dc;
  --on-accent: #07131f;
  --accent-soft: color-mix(in srgb, var(--accent) 16%, transparent);

  /* 尺寸 */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --pad: clamp(20px, 4.6vw, 64px);
  --maxw: 1220px;
  --nav-top: clamp(14px, 2.2vw, 26px);
  --nav-clear: calc(var(--nav-top) + 84px);

  /* 排版 */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", "Microsoft YaHei",
    system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font: var(--font-body);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --scale: 1;
  --fs-12: calc(0.75rem * var(--scale));
  --fs-14: calc(0.875rem * var(--scale));
  --fs-16: calc(1rem * var(--scale));
  --fs-18: calc(1.125rem * var(--scale));
  --fs-20: calc(1.25rem * var(--scale));
  --fs-24: calc(1.5rem * var(--scale));
  --fs-30: calc(1.875rem * var(--scale));
  --fs-fluid-36-64: calc(clamp(2.25rem, 1.1rem + 4.6vw, 4rem) * var(--scale));
  --fs-fluid-30-56: calc(clamp(1.875rem, 1.1rem + 3.2vw, 3.5rem) * var(--scale));

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: 0.5s var(--ease);
  --section-y: clamp(80px, 11vw, 168px);

  /* 兼容旧变量名 */
  --primary: var(--bg);
  --secondary: var(--panel);
  --tertiary: var(--ink);
  --muted: var(--ink-mute);
  --card: var(--panel);
  --card-2: var(--panel-2);
  --media-bg: var(--panel-2);
  --peach: #fb8f7a;
  --green: #5eead4;
  --blue: #519dfc;
}

/* 强调色变体 */
html[data-accent="blue"] {
  --accent: #519dfc; --accent-2: #6ca7ff; --accent-deep: #3a79dc; --on-accent: #07131f;
}
html[data-accent="mint"] {
  --accent: #5eead4; --accent-2: #8ff3e3; --accent-deep: #2fbfa8; --on-accent: #04201c;
}
html[data-accent="coral"] {
  --accent: #fb8f7a; --accent-2: #ffab99; --accent-deep: #d96a53; --on-accent: #210b06;
}

/* 浅色（白昼）变体 */
html[data-theme="light"] {
  --bg: #f4f1ea;
  --bg-sunken: #eae6dd;
  --panel: #ffffff;
  --panel-2: #faf8f2;
  --panel-3: #f1ede4;

  --ink: #0c1524;
  --ink-dim: rgba(12, 21, 36, 0.78);
  --ink-mute: rgba(12, 21, 36, 0.62);
  --ink-faint: rgba(12, 21, 36, 0.46);

  --line: rgba(12, 21, 36, 0.14);
  --line-soft: rgba(12, 21, 36, 0.07);
  --line-strong: rgba(12, 21, 36, 0.24);
}
html[data-theme="light"][data-accent="blue"] {
  --accent: #2270e6; --accent-2: #1a5fc7; --accent-deep: #17509f; --on-accent: #ffffff;
}
html[data-theme="light"][data-accent="mint"] {
  --accent: #0e9c86; --accent-2: #0b8371; --accent-deep: #086a5c; --on-accent: #ffffff;
}
html[data-theme="light"][data-accent="coral"] {
  --accent: #d9533a; --accent-2: #c24630; --accent-deep: #a13a27; --on-accent: #ffffff;
}

/* 地平线辉光（深色 / 浅色两套） */
:root {
  --sky: linear-gradient(
    180deg,
    #090d14 0%, #060a12 6%, #040c1e 14%, #021b4a 24%,
    #00418f 34%, #1a7ae0 44%, #4ca3ff 52%, #1a7ae0 60%,
    #0059c4 68%, #003a8c 76%, #02225f 84%, #071127 90%,
    #090d14 96%, #090d14 100%
  );
  --glow-h: clamp(260px, 30vw, 420px);
  --glow-cta: linear-gradient(
    180deg,
    rgba(9, 13, 20, 0) 0%, #021b4a 26%, #003a8c 48%,
    #0068f0 66%, #2990ff 80%, #4ca3ff 90%,
    #1f7ef5 96%, #0b4fa8 99%, #090d14 100%
  );
}
html[data-theme="light"] {
  --sky: linear-gradient(
    180deg,
    #f4f1ea 0%, #eef2fa 6%, #e3ecfb 14%, #d2e3fa 24%,
    #a8c9f5 34%, #8dbaf0 44%, #6fa8ec 52%, #8dbaf0 60%,
    #b6d2f6 68%, #d2e3fa 76%, #e3ecfb 84%, #eef2f8 90%, #f4f1ea 100%
  );
  --glow-cta: linear-gradient(
    180deg,
    rgba(244, 241, 234, 0) 0%, #d2e3fa 26%, #b6d2f6 48%,
    #8dbaf0 66%, #a3c4f3 80%, #c6dcf8 90%,
    #dae8fb 96%, #e8eef6 99%, #f4f1ea 100%
  );
}

/* ─────────── 2. 基础 ─────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
  color-scheme: dark;
}
html[data-theme="light"] { color-scheme: light; }

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  position: relative;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

section { scroll-margin-top: 92px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 胶片颗粒 */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.03; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─────────── 3. 通用元素 ─────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1;
}
.eyebrow::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 1px color-mix(in srgb, var(--accent) 60%, transparent);
  flex: none;
}

.muted { color: var(--ink-mute); }
.accent { color: var(--accent); }

.hl {
  color: var(--ink);
  font-weight: 600;
  background: linear-gradient(transparent 68%, color-mix(in srgb, var(--accent) 38%, transparent) 68%);
  padding-bottom: 1px;
}

/* 区块标题组 */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 88px);
  margin-bottom: clamp(38px, 5vw, 68px);
}
.section-head > div { min-width: 0; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: calc(clamp(1.85rem, 3.9vw, 3.1rem) * var(--scale));
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 600;
  color: var(--ink);
}
.section-head__note {
  max-width: min(36ch, 100%);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-mute);
  padding-bottom: 6px;
}

/* 进场 */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.85s var(--ease) var(--d, 0s), transform 0.95s var(--ease) var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* ─────────── 4. 导航 ─────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  padding: var(--nav-top) var(--pad);
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.nav__inner {
  pointer-events: auto;
  width: 100%;
  max-width: var(--maxw);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  padding: 8px 8px 8px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow: 0 18px 48px -18px rgba(0, 0, 0, 0.75);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.nav.is-stuck .nav__inner {
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-color: var(--line-strong);
  box-shadow: 0 20px 56px -20px rgba(0, 0, 0, 0.9);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: none;
}
.nav__mark {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.nav__sub {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  white-space: nowrap;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  line-height: 0;
  margin-left: 2px;
}
.brand-logo img { height: 18px; width: auto; }
html[data-theme="dark"] .brand-logo .logo-light { display: none; }
html[data-theme="light"] .brand-logo .logo-dark { display: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.4vw, 10px);
  margin-left: auto;
  min-width: 0;
}
.nav__links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  color: var(--ink-mute);
  white-space: nowrap;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav__links a:hover { color: var(--ink); background: var(--line-soft); }
.nav__links a.nav__mx::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px 0 var(--accent);
  flex: none;
}
.nav__links a.is-current {
  color: var(--ink);
  background: var(--line-soft);
}

.nav__cta {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background 0.25s var(--ease);
}
.nav__cta svg { width: 13px; height: 13px; }
.nav__cta:hover {
  transform: translateY(-1px);
  background: var(--accent-2);
  box-shadow: 0 8px 24px -6px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* ─────────── 5. 首屏 ─────────── */
.hero {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--nav-clear) + clamp(26px, 4.6vw, 58px)) var(--pad) clamp(34px, 4vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(30px, 4.6vw, 76px);
  align-items: end;
  z-index: 1;
}

/* 顶部的电蓝光晕 */
.hero::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -12%;
  width: min(1200px, 130vw);
  height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(
    50% 50% at 50% 50%,
    color-mix(in srgb, var(--accent) 20%, transparent) 0%,
    color-mix(in srgb, var(--accent) 7%, transparent) 42%,
    transparent 72%
  );
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}
html[data-theme="light"] .hero::before { opacity: 0.55; }

/* 首屏底部与地平线相接的辉光 */
.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  width: min(980px, 118vw);
  height: 240px;
  transform: translateX(-50%);
  background: radial-gradient(
    50% 100% at 50% 100%,
    color-mix(in srgb, var(--accent) 22%, transparent) 0%,
    color-mix(in srgb, var(--accent) 8%, transparent) 45%,
    transparent 74%
  );
  filter: blur(46px);
  pointer-events: none;
  z-index: -1;
}
html[data-theme="light"] .hero::after { opacity: 0.5; }

.hero__text {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.6vw, 32px);
  min-width: 0;
}
.hero__mid {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.1vw, 26px);
  min-width: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  white-space: nowrap;
  width: fit-content;
}
.badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 10px 1px rgba(74, 222, 128, 0.7);
  flex: none;
}
html[data-theme="light"] .badge .dot { background: #12a150; box-shadow: 0 0 8px 0 rgba(18, 161, 80, 0.45); }
.badge__sep {
  width: 1px; height: 10px;
  background: var(--line-strong);
  flex: none;
}

.hero__h1 {
  font-family: var(--font-display);
  font-size: calc(clamp(2rem, 5.1vw, 3.7rem) * var(--scale));
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
}

.hero__lede {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: min(48ch, 100%);
  font-size: clamp(0.9375rem, 1.05vw, 1.0625rem);
  line-height: 1.72;
  color: var(--ink-dim);
}
.hero__lede-sm { color: var(--ink-mute); font-size: 0.9375rem; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn--solid {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 14px 34px -14px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn--solid:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 20px 44px -14px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: color-mix(in srgb, var(--panel) 50%, transparent);
}
.btn--ghost:hover {
  border-color: var(--ink-faint);
  background: var(--panel-2);
  transform: translateY(-2px);
}

.hero__bottom {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.clock {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.clock__time { color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.clock__zone { color: var(--accent); }

/* 肖像 */
.hero__media { position: relative; min-width: 0; }
.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(78% 58% at 50% 30%, color-mix(in srgb, var(--accent) 17%, transparent) 0%, transparent 70%),
    radial-gradient(110% 90% at 50% 0%, #16263c 0%, #0b1220 56%, #070b11 100%);
}
html[data-theme="light"] .portrait {
  background:
    radial-gradient(78% 58% at 50% 30%, rgba(141, 194, 232, 0.42) 0%, transparent 70%),
    radial-gradient(110% 90% at 50% 0%, #dfe8f4 0%, #eef2f6 56%, #f7f5f0 100%);
}
.portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 6%;
  filter: drop-shadow(0 20px 44px rgba(0, 0, 0, 0.5));
  -webkit-mask-image: linear-gradient(180deg, #000 76%, transparent 97%);
  mask-image: linear-gradient(180deg, #000 76%, transparent 97%);
}
.hero__caption {
  position: absolute;
  left: 14px; right: 14px; bottom: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(238, 241, 234, 0.12);
  background: rgba(8, 12, 19, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #eef1ea;
}
.hero__caption-name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.hero__caption-name span {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  font-weight: 400;
  color: rgba(238, 241, 234, 0.55);
}
.hero__caption-role {
  font-size: 0.75rem;
  line-height: 1.55;
  color: rgba(238, 241, 234, 0.66);
}

/* ─────────── 6. 地平线 + 港口条 ─────────── */
.horizon {
  position: relative;
  padding: 0 0 clamp(38px, 5.6vw, 84px);
  background: var(--sky);
  isolation: isolate;
}
.horizon__band { height: clamp(150px, 22vw, 320px); }

.ticker {
  position: relative;
  overflow: hidden;
  padding: clamp(14px, 2vw, 22px) 0;
  mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 95%, transparent 100%);
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker 46s linear infinite;
}
.ticker__list { display: flex; align-items: center; flex: none; }
.ticker__list li {
  display: inline-flex;
  align-items: center;
  padding: 0 clamp(14px, 1.6vw, 24px);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 88%, transparent);
  white-space: nowrap;
}
html[data-theme="light"] .ticker__list li { color: rgba(255, 255, 255, 0.95); }
.ticker__list li.sep {
  color: color-mix(in srgb, var(--ink) 30%, transparent);
  font-size: 0.75rem;
  padding: 0;
}
html[data-theme="light"] .ticker__list li.sep { color: rgba(255, 255, 255, 0.55); }

@keyframes ticker {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ─────────── 7. 卡片（bento）─────────── */
.bento {
  max-width: var(--maxw);
  margin: clamp(64px, 8vw, 120px) auto 0;
  padding: 0 var(--pad);
}
.bento__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 18px);
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.4vw, 32px);
  padding: clamp(22px, 2.4vw, 30px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ink) 3.4%, transparent), transparent 46%),
    var(--panel);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
  min-width: 0;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 40%, transparent), transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}
.card:hover::after { opacity: 1; }

.card__head { display: flex; flex-direction: column; gap: 12px; }
.card__head .eyebrow { margin-bottom: 2px; }
.card__head h3 {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--ink);
}
.card__head p {
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--ink-mute);
  overflow-wrap: anywhere;
}

.card__foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.card__stat { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.card__stat .num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.card__stat .unit {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* 卡片内跑马灯 */
.marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: ticker var(--dur, 26s) linear infinite;
}
.marquee[data-reverse] .marquee__track { animation-direction: reverse; }
.marquee__list { display: flex; align-items: center; flex: none; }
.marquee__list li {
  padding: 0 9px;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* 引言卡 */
.card--quote {
  justify-content: space-between;
  background:
    radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    var(--panel);
}
.quotes { position: relative; display: grid; }
.quote {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.quote.is-active { opacity: 1; transform: none; pointer-events: auto; }
.quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.45vw, 1.25rem);
  line-height: 1.55;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--ink);
}
.quote figcaption {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.quotes__nav { display: flex; gap: 8px; margin-top: 24px; }
.qdot {
  width: 24px; height: 3px;
  border-radius: 99px;
  background: var(--line-strong);
  transition: background 0.3s var(--ease), width 0.3s var(--ease);
}
.qdot.is-active { background: var(--accent); width: 34px; }

/* ─────────── 8. 墨西哥入口（蓝边高亮卡）─────────── */
.mxentry {
  max-width: var(--maxw);
  margin: clamp(20px, 3vw, 34px) auto 0;
  padding: 0 var(--pad);
}
.mxentry__link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(26px, 3.4vw, 48px);
  border-radius: 26px;
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  background:
    radial-gradient(120% 130% at 0% 0%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--ink) 3%, transparent), transparent 40%),
    var(--panel);
  box-shadow:
    inset 0 1px 0 0 color-mix(in srgb, var(--ink) 10%, transparent),
    0 40px 90px -50px color-mix(in srgb, var(--accent) 80%, transparent);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.mxentry__link:hover {
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 0 color-mix(in srgb, var(--ink) 14%, transparent),
    0 50px 110px -50px color-mix(in srgb, var(--accent) 95%, transparent);
}
.mxentry__main { min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.mxentry__main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.1vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.035em;
  font-weight: 600;
  color: var(--ink);
}
.mxentry__main p {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ink-mute);
  max-width: min(46ch, 100%);
}
.mxentry__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}
.mxentry__go svg { width: 13px; height: 13px; transition: transform 0.35s var(--ease); }
.mxentry__link:hover .mxentry__go svg { transform: translate(3px, -3px); }

.mxentry__side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-left: clamp(0px, 2vw, 28px);
  border-left: 1px solid var(--line-soft);
}
.mxentry__k {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.mxentry__clients {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mxentry__clients li {
  padding: 5px 10px;
  border-radius: 7px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--ink) 3%, transparent);
  font-size: 0.75rem;
  color: var(--ink-dim);
  white-space: nowrap;
}
.mxentry__ports {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding-top: 4px;
  border-top: 1px solid var(--line-soft);
}
.mxentry__ports span {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  padding-top: 10px;
}

/* ─────────── 9. 数字 ─────────── */
.stats {
  max-width: var(--maxw);
  margin: clamp(56px, 7vw, 104px) auto 0;
  padding: 0 var(--pad);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(26px, 3vw, 40px) clamp(14px, 1.6vw, 26px);
  border-left: 1px solid var(--line-soft);
  min-width: 0;
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num {
  font-family: var(--font-display);
  font-size: calc(clamp(2.4rem, 4.4vw, 3.6rem) * var(--scale));
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.05em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink-mute);
}

/* ─────────── 10. 案例列表 ─────────── */
.work {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}
.work__list { border-bottom: 1px solid var(--line-soft); }

.wgroup {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(30px, 3.6vw, 44px) 0 12px;
  border-bottom: 1px solid var(--line);
}
.wgroup__k {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.wgroup__v {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.row {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 34px;
  align-items: start;
  gap: clamp(12px, 2vw, 26px);
  padding: clamp(24px, 2.8vw, 34px) 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.4s var(--ease);
}
.row:last-child { border-bottom: 0; }
.row::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--pad) * -0.4);
  border-radius: 14px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 9%, transparent), transparent 72%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.row:hover::before { opacity: 1; }

.row__idx {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  padding-top: 6px;
  transition: color 0.3s var(--ease);
}
.row:hover .row__idx { color: var(--accent); }

.row__body { min-width: 0; }
.row__body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.7vw, 1.375rem);
  line-height: 1.32;
  letter-spacing: -0.025em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.row__body p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-mute);
  max-width: min(74ch, 100%);
}
.row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.row__meta span {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  padding: 4px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  white-space: nowrap;
}
.row__arrow {
  align-self: center;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink-faint);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease),
    transform 0.35s var(--ease), background 0.35s var(--ease);
}
.row__arrow svg { width: 13px; height: 13px; }
.row:hover .row__arrow {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(2px, -2px);
}

/* 光标跟随预览 */
.cursor-preview {
  position: fixed;
  top: 0; left: 0;
  width: 260px; height: 180px;
  border-radius: 12px;
  overflow: hidden;
  pointer-events: none;
  z-index: 70;
  opacity: 0;
  transform: translate(-9999px, -9999px) scale(0.94);
  transition: opacity 0.3s var(--ease);
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.9);
}
.cursor-preview.is-on { opacity: 1; }
.cursor-preview img { width: 100%; height: 100%; object-fit: cover; }

/* ─────────── 11. 专长 ─────────── */
.expertise {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}
.exp__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.4vw, 18px);
}
.exp {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 2.4vw, 30px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease),
    transform 0.4s var(--ease);
  min-width: 0;
}
.exp:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--panel-2);
  transform: translateY(-2px);
}
.exp__no {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent);
  margin-bottom: 6px;
}
.exp h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--ink);
}
.exp p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-mute);
  overflow-wrap: anywhere;
}

/* ─────────── 12. 履历 ─────────── */
.creds {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}
.creds__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
  padding: clamp(30px, 3.6vw, 52px);
  border-radius: 26px;
  border: 1px solid var(--line);
  background:
    radial-gradient(100% 120% at 100% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 58%),
    var(--panel);
}
.creds__left { min-width: 0; }
.creds__left .eyebrow { margin-bottom: 18px; }
.creds__left h2 {
  font-family: var(--font-display);
  font-size: calc(clamp(1.65rem, 3vw, 2.4rem) * var(--scale));
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}
.creds__note {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-mute);
  max-width: min(30ch, 100%);
}
.creds__list { min-width: 0; }
.creds__item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 28px);
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.creds__item:first-child { border-top: 0; padding-top: 0; }
.creds__item dt {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 44%, transparent);
  padding-top: 3px;
}
.creds__item dd {
  font-size: 0.9375rem;
  line-height: 1.66;
  color: var(--ink-dim);
  overflow-wrap: anywhere;
}

/* ─────────── 13. 问答 ─────────── */
.faq {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}
.faq__list { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line-soft); }

.faq__q {
  width: 100%;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 28px;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  padding: clamp(20px, 2.2vw, 26px) 0;
  text-align: left;
}
.faq__no {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  transition: color 0.3s var(--ease);
}
.faq__q[aria-expanded="true"] .faq__no { color: var(--accent); }
.faq__title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  line-height: 1.4;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.3s var(--ease);
}
.faq__q:hover .faq__title { color: var(--accent); }
.faq__q[aria-expanded="true"] .faq__title { color: var(--accent); }

.faq__icon {
  position: relative;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  justify-self: end;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease),
    transform 0.4s var(--ease);
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 10px; height: 1.5px;
  background: var(--ink-mute);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease), background 0.3s var(--ease);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__q[aria-expanded="true"] .faq__icon {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  transform: rotate(180deg);
}
.faq__q[aria-expanded="true"] .faq__icon::before,
.faq__q[aria-expanded="true"] .faq__icon::after { background: var(--accent); }
.faq__q[aria-expanded="true"] .faq__icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease);
}
.faq__a.is-open { grid-template-rows: 1fr; }
.faq__a-inner {
  overflow: hidden;
  padding-left: 44px;
  max-width: min(88ch, 100%);
}
.faq__a-inner p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-mute);
  padding-bottom: 14px;
}
.faq__a.is-open .faq__a-inner { padding-bottom: 20px; }

/* ─────────── 14. 调节面板 ─────────── */
.play {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}
.play__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  padding: clamp(26px, 3.2vw, 44px);
  border-radius: 26px;
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 0% 100%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--panel);
}
.play__head { min-width: 0; }
.play__head .eyebrow { margin-bottom: 16px; }
.play__head h2 {
  font-family: var(--font-display);
  font-size: calc(clamp(1.5rem, 2.6vw, 2.05rem) * var(--scale));
  line-height: 1.16;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink);
}
.play__head p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-mute);
  max-width: min(34ch, 100%);
}
.play__controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
  min-width: 0;
}
.ctrl { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.ctrl__label {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.switch {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  width: fit-content;
  max-width: 100%;
}
.switch__btn {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: var(--ink-mute);
  white-space: nowrap;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.switch__btn:hover { color: var(--ink); }
.switch__btn.is-active {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.swatches { display: flex; gap: 8px; align-items: center; height: 34px; }
.swatch {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--c);
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px var(--line-strong) inset;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.swatch:hover { transform: scale(1.08); }
.swatch.is-active {
  box-shadow: 0 0 0 3px var(--bg), 0 0 0 4.5px var(--c);
}

/* ─────────── 15. 联系 ─────────── */
.contact {
  position: relative;
  margin-top: var(--section-y);
  padding: clamp(90px, 12vw, 180px) var(--pad) calc(var(--glow-h) + 48px);
  background: var(--bg);
  overflow: hidden;
}
.contact::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: var(--glow-h);
  background: var(--glow-cta);
  pointer-events: none;
}
.contact__inner {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.contact__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  opacity: 0.9;
  color: #eef1ea;
}
.contact__logo img { height: 30px; width: auto; }
html[data-theme="dark"] .contact__logo .logo-light { display: none; }
html[data-theme="light"] .contact__logo .logo-dark { display: none; }
.contact__logo-line {
  width: 44px; height: 1px;
  background: currentColor;
  opacity: 0.35;
}
html[data-theme="light"] .contact__logo { color: #0c1524; }

.contact__h {
  font-family: var(--font-display);
  font-size: calc(clamp(2rem, 4.6vw, 3.6rem) * var(--scale));
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
}
html[data-theme="light"] .contact__h { color: #08111f; }
html[data-theme="light"] .contact .eyebrow { color: rgba(8, 17, 31, 0.6); }

.contact__mail {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 28%, transparent);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
  overflow-wrap: anywhere;
}
html[data-theme="light"] .contact__mail { color: #08111f; border-bottom-color: rgba(8, 17, 31, 0.3); }
.contact__mail:hover { color: var(--accent); border-bottom-color: var(--accent); }

.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 44px);
  width: 100%;
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
  text-align: left;
}
html[data-theme="light"] .contact__grid { border-top-color: rgba(8, 17, 31, 0.14); }
.contact__item { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.contact__k {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 52%, transparent);
}
html[data-theme="light"] .contact__k { color: rgba(8, 17, 31, 0.55); }
.contact__v {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-dim);
  overflow-wrap: anywhere;
}
html[data-theme="light"] .contact__v { color: rgba(8, 17, 31, 0.78); }
.contact__v a:hover { color: var(--accent); }

/* ─────────── 16. 页脚 ─────────── */
.foot {
  background: var(--bg);
  border-top: 1px solid var(--line-soft);
  padding: clamp(28px, 3.4vw, 44px) var(--pad);
}
.foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.foot__brand { display: inline-flex; align-items: center; gap: 12px; }
.foot__logo { display: inline-flex; align-items: center; line-height: 0; }
.foot__logo img { height: 15px; width: auto; }
html[data-theme="dark"] .foot__logo .logo-light { display: none; }
html[data-theme="light"] .foot__logo .logo-dark { display: none; }
.foot__mid { color: var(--ink-faint); }
.foot__top {
  color: var(--ink-mute);
  transition: color 0.25s var(--ease);
  padding: 6px 0;
}
.foot__top:hover { color: var(--accent); }

/* ─────────── 17. 响应式 ─────────── */
@media (max-width: 1040px) {
  .bento__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .exp__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .creds__inner,
  .play__inner { grid-template-columns: minmax(0, 1fr); }
  .stat:first-child { padding-left: clamp(14px, 1.6vw, 26px); }
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
    padding-top: calc(var(--nav-clear) + 12px);
  }
  .hero__media { order: 0; }
  .portrait { max-width: 380px; aspect-ratio: 1 / 1; }
  .portrait img { object-position: 50% 4%; }
  .hero__bottom { margin-top: 0; }

  .nav__inner { padding-left: 16px; gap: 10px; overflow: hidden; }
  .nav__sub,
  .brand-logo,
  .nav__cta { display: none; }
  .nav__links {
    flex: 1 1 auto;
    min-width: 0;
    margin-left: auto;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    mask-image: linear-gradient(to right, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(to right, #000 88%, transparent);
  }
  .nav__links::-webkit-scrollbar { display: none; }
  .nav__links a { padding: 7px 10px; font-size: 0.78125rem; }

  .mxentry__link { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .mxentry__side { padding-left: 0; border-left: 0; border-top: 1px solid var(--line-soft); padding-top: 20px; }

  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { padding-left: 0; border-left: 0; }
  .stat:nth-child(even) { padding-left: clamp(14px, 3vw, 26px); border-left: 1px solid var(--line-soft); }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line-soft); }

  .contact__grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .contact__item { flex-direction: row; gap: 14px; align-items: baseline; }
  .contact__k { width: 52px; flex: none; }
}

@media (max-width: 680px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-head__note { max-width: 100%; padding-bottom: 0; }
  .bento__grid,
  .exp__grid { grid-template-columns: minmax(0, 1fr); }
  .play__controls { grid-template-columns: minmax(0, 1fr); }
  .row { grid-template-columns: 34px minmax(0, 1fr); }
  .row__arrow { display: none; }
  .creds__item { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .creds__item dt { padding-top: 0; }
  .faq__q { grid-template-columns: 30px minmax(0, 1fr) 26px; }
  .faq__a-inner { padding-left: 30px; }
  .foot__inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .card--quote { min-height: 250px; }
  .hero__caption { left: 10px; right: 10px; bottom: 10px; padding: 12px 14px; }
}

/* ─────────── 18. 动效关闭 ─────────── */
html[data-motion="off"] .ticker__track,
html[data-motion="off"] .marquee__track { animation: none; }
html[data-motion="off"] .reveal { opacity: 1; transform: none; transition: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ─────────── 19. 语言切换 ─────────── */
.nav__lang {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--accent) 46%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.nav__lang:hover {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.nav__lang:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 920px) {
  .nav__lang { min-width: 40px; padding: 5px 9px; font-size: 0.625rem; letter-spacing: 0.06em; }
}

/* ─────────── 20. 英文版排版 ─────────── */
html[data-lang="en"] {
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, "Helvetica Neue", Arial, sans-serif;
}

html[data-lang="en"] .hero__h1 {
  font-size: calc(clamp(1.72rem, 5.4vw, 2.7rem) * var(--scale));
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-wrap: pretty;
}

html[data-lang="en"] .hero__lede { max-width: 46ch; }
html[data-lang="en"] .hero__lede-sm { max-width: 44ch; }

html[data-lang="en"] .card__head h3,
html[data-lang="en"] .exp__item h3 { letter-spacing: -0.02em; }

html[data-lang="en"] .row__title { letter-spacing: -0.02em; }
html[data-lang="en"] .row__desc { line-height: 1.66; }

html[data-lang="en"] .creds__item dd { line-height: 1.6; }
html[data-lang="en"] .faq__q { letter-spacing: -0.015em; }
html[data-lang="en"] .faq__a-inner p { line-height: 1.7; }

html[data-lang="en"] .contact__h,
html[data-lang="en"] .mxentry__h,
html[data-lang="en"] .section-head h2 { letter-spacing: -0.03em; }

@media (max-width: 680px) {
  html[data-lang="en"] .badge {
    white-space: normal;
    flex-wrap: wrap;
    row-gap: 4px;
    line-height: 1.45;
    max-width: 100%;
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    column-gap: 8px;
  }
  html[data-lang="en"] .hero__lede { max-width: 100%; }
  html[data-lang="en"] .hero__lede-sm { max-width: 100%; }
}