:root {

  --c-primary: #0e9384;
  --c-primary-deep: #0b7a6e;
  --c-primary-ink: #085e55;
  --c-accent: #0b7a94;
  --c-ink: #0c2a26;
  --c-ink-2: #2f4c47;
  --c-mute: #617974;
  --c-faint: #8ba39e;
  --c-bg: #f5faf9;
  --c-bg-2: #eef5f3;
  --c-surface: #ffffff;
  --c-line: #dfe9e7;
  --c-line-soft: #ebf2f0;
  --c-tint: #e7f4f1;
  --c-tint-2: #d5ece7;

  --c-lav: #edeaf8;

  --c-term-bg: #0c2a26;
  --c-term-bar: #113630;
  --c-term-line: #1c443d;
  --c-term-fg: #cfe6e0;
  --c-term-dim: #7fa39b;
  --c-term-teal: #3bd3b4;

  --c-ok: #0e9384;
  --c-out: #b9c8c5;

  --font-heading: "Sora", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Albert Sans", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.75rem;

  --lh-tight: 1.2;
  --lh-snug: 1.4;
  --lh-body: 1.7;

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 40px;
  --sp-5: 64px;
  --sp-6: 96px;

  --r-1: 6px;
  --r-2: 10px;
  --r-3: 16px;

  --shadow-1: 0 1px 2px rgba(12, 42, 38, 0.05);
  --shadow-2: 0 10px 28px -14px rgba(12, 42, 38, 0.14);
  --shadow-term: 0 20px 44px -22px rgba(12, 42, 38, 0.32);

  --w-narrow: 760px;
  --w-std: 1120px;
  --w-wide: 1320px;

  --nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--c-ink);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-heading); color: var(--c-ink); }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary-deep); text-decoration: none; }
a:hover { color: var(--c-primary); }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: var(--sp-4) 0; }
::selection { background: var(--c-tint-2); color: var(--c-ink); }

:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

code, kbd, samp { font-family: var(--font-mono); font-size: 0.9em; }
code { background: var(--c-bg); border: 1px solid var(--c-line-soft); border-radius: 4px; padding: 1px 6px; color: var(--c-primary-ink); }
pre {
  margin: 0;
  font-family: var(--font-mono);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
pre code { background: none; border: 0; padding: 0; }

h1, .t-h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, var(--fs-2xl)); font-weight: 600; line-height: var(--lh-tight); letter-spacing: -0.022em; }
h2, .t-h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, var(--fs-xl)); font-weight: 600; line-height: 1.25; letter-spacing: -0.018em; }
h3, .t-h3 { font-size: var(--fs-lg); font-weight: 600; line-height: var(--lh-snug); letter-spacing: -0.012em; }
h4, .t-h4 { font-size: var(--fs-md); font-weight: 600; line-height: var(--lh-snug); }

.t-lede { font-size: var(--fs-md); color: var(--c-ink-2); line-height: 1.65; }
.t-sm { font-size: var(--fs-sm); }
.t-xs { font-size: var(--fs-xs); }
.t-mute { color: var(--c-mute); }
.t-ink2 { color: var(--c-ink-2); }
.t-primary { color: var(--c-primary-deep); }
.t-center { text-align: center; }

.num, .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

.c-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-primary-deep);
}
.c-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--c-primary);
}

.wrap, .wrap--narrow, .wrap--wide {
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 32px);
  width: 100%;
}
.wrap { max-width: calc(var(--w-std) + 64px); }
.wrap--narrow { max-width: calc(var(--w-narrow) + 64px); }
.wrap--wide { max-width: calc(var(--w-wide) + 64px); }

.g { display: grid; gap: var(--sp-3); }
.g--tight { gap: var(--sp-2); }
.g--loose { gap: var(--sp-4); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g > * { min-width: 0; }

@media (max-width: 960px) {
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
}

.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }
.mb-1 { margin-bottom: var(--sp-1); } .mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.mb-5 { margin-bottom: var(--sp-5); }

.flow > * + * { margin-top: var(--flow, var(--sp-2)); }
.flow--loose { --flow: var(--sp-3); }

.hairline-t { border-top: 1px solid var(--c-line); }
.hairline-b { border-bottom: 1px solid var(--c-line); }

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.is-in { opacity: 1; transform: none; }
.rd-1 { transition-delay: 0.07s; }
.rd-2 { transition-delay: 0.14s; }
.rd-3 { transition-delay: 0.21s; }
.rd-4 { transition-delay: 0.28s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}

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