@font-face {
  font-family: "Orbit Wordmark";
  src: url("fonts/Instrument-Sans-Variable.ttf") format("truetype");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Orbit Sans";
  src: url("fonts/DM-Sans-Variable.ttf") format("truetype");
  font-weight: 100 1000;
  font-display: swap;
}
@font-face {
  font-family: "Orbit Chinese";
  src: url("fonts/MiSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #78808f;
  --stroke: #e8eaee;
  --button-stroke: #d6dae2;
  --paper: #fff;
  --accent: #6e7fae;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Orbit Sans", "Orbit Chinese", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; cursor: default; }
button:focus-visible, a:focus-visible { outline: 2px solid #647cc3; outline-offset: 5px; }
.site-header {
  height: 68px;
  padding-inline: clamp(24px, 2.25vw, 40px);
  display: flex;
  align-items: center;
  gap: 60px;
  border-bottom: 1px solid var(--stroke);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark { display: block; width: 29px; height: 29px; flex: 0 0 29px; }
.brand .brand-wordmark {
  font-family: "Orbit Wordmark", "Orbit Sans", sans-serif;
  font-size: 30px;
  font-weight: 650;
  font-kerning: normal;
  letter-spacing: -1.15px;
  line-height: 34px;
  transform: translateY(-1px);
}
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav button { display: flex; align-items: center; gap: 11px; background: none; border: 0; padding: 12px 0; font-size: 14px; white-space: nowrap; }
.chevron { width: 6px; height: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); }
.header-actions { margin-left: auto; display: flex; gap: 12px; }
.button {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0 20px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  white-space: nowrap;
}
.button-primary { background: #242529; color: #fff; border-color: #303239; box-shadow: 0 1px 2px #14182112, inset 0 1px 0 #ffffff14; }
.button-secondary { background: #ffffffdc; border-color: var(--button-stroke); box-shadow: 0 1px 2px #14182105; }
.header-actions .button { min-height: 36px; padding-inline: 15px; border-radius: 8px; font-size: 13px; }
.hero {
  position: relative;
  isolation: isolate;
  min-height: 680px;
  overflow: hidden;
  padding: 108px 24px 164px;
  display: grid;
  justify-items: center;
  align-content: start;
}
.hero-content { position: relative; z-index: 1; text-align: center; width: 100%; max-width: 1120px; }
.announcement { display: inline-flex; align-items: center; gap: 10px; margin: 0; padding: 7px 13px; border: 1px solid #e7eaf0; border-radius: 100px; background: #ffffffde; font-size: 12px; line-height: 18px; color: #505665; }
.announcement-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.announcement-arrow { font-family: "Orbit Sans", sans-serif; font-size: 19px; line-height: 16px; margin-left: 5px; }
h1 { margin: 30px auto 22px; max-width: 900px; font-size: clamp(36px, 3.4vw, 44px); line-height: 1.5; font-weight: 400; letter-spacing: -.025em; text-wrap: balance; }
h1 span { display: block; }
.hero-description { color: var(--muted); font-size: 17px; line-height: 1.8; letter-spacing: .015em; margin: 0; }
.hero-actions { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }
.hero-actions .button { min-height: 46px; padding-inline: 23px; }
.play-icon { font-size: 18px; line-height: 1; }
.hero-note { color: #9bA1ac; font-size: 11px; letter-spacing: .04em; margin: 17px 0 0; }
.hero-atmosphere { position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 65% 31% at 50% 106%, #dfe5fcaa, transparent), linear-gradient(to bottom, #fff 48%, #fcfcff 77%, #f0f3fc); }
.hero-atmosphere::after { content: ""; position: absolute; inset: 50% 0 0; background: repeating-linear-gradient(90deg, transparent 0 8px, #ffffffc9 8px 9px); mask-image: linear-gradient(transparent, #000); }
@media (min-width: 801px) {
  .hero { padding-top: 68px; }
}
@media (min-width: 1600px) {
  .hero { padding-top: 88px; min-height: 760px; }
}
@media (max-width: 760px) {
  .site-header { height: 64px; padding-inline: 20px; gap: 20px; }
  .main-nav { display: none; }
  .brand .brand-wordmark { font-size: 28px; line-height: 32px; letter-spacing: -1px; }
  .brand-mark { width: 27px; height: 27px; flex-basis: 27px; }
  .header-actions .button-secondary { display: none; }
  .hero { min-height: 650px; padding: 96px 20px 150px; }
  h1 { font-size: clamp(22px, 4.7vw, 34px); margin-top: 28px; letter-spacing: -.025em; }
  .hero-description { font-size: 15px; line-height: 1.8; }
  .hero-actions { margin-top: 26px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto; } }