:root {
  color-scheme: light;
  --text: #173c52;
  --muted: #526d7e;
  --quiet: #587286;
  --background: #f6fbff;
  --blue: #0294fc;
  --line: rgba(2, 148, 252, .18);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--background);
  color: var(--text);
}
* { box-sizing: border-box; }
html { min-width: 280px; scroll-behavior: smooth; }
body { margin: 0; }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at 79% 44%, rgba(192, 226, 251, .35), transparent 54%);
  pointer-events: none;
}
::selection { background: #c8e9ff; color: #174967; }
a { color: inherit; }
a:focus-visible { outline: 2px solid #63bdff; outline-offset: 8px; }
.skip-link { position: fixed; top: -80px; left: 20px; padding: 12px 18px; background: var(--text); color: var(--background); z-index: 3; }
.skip-link:focus { top: 15px; }
.page { width: min(1280px, calc(100% - 112px)); margin-inline: auto; min-height: 100svh; display: flex; flex-direction: column; }
.site-header { height: 116px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.wordmark { text-decoration: none; font-size: 16px; font-weight: 600; letter-spacing: .24em; color: #194960; }
.wordmark span { color: var(--blue); margin-left: 2px; }
.site-status { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: .16em; color: var(--muted); white-space: nowrap; }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: #0294fc; }
.hero { display: grid; grid-template-columns: 1.13fr 1fr; align-items: center; gap: 30px; flex: 1; min-height: 610px; padding-block: 76px 68px; }
.intro { padding-left: 28px; }
h1 { font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif; font-weight: 500; font-size: clamp(56px, 5.8vw, 83px); line-height: 1.35; letter-spacing: .08em; margin: 0; white-space: nowrap; color: #126da7; }
.poem { margin: 32px 0 0; }
blockquote { margin: 0; }
blockquote p { font-family: "Songti SC", "Noto Serif CJK SC", "SimSun", serif; font-size: 29px; letter-spacing: .14em; line-height: 1.95; margin: 0; }
.poem figcaption { color: var(--quiet); font-size: 12px; letter-spacing: .22em; margin-top: 14px; }
.poem figcaption span { margin-right: 9px; }
.platforms { display: flex; align-items: center; gap: 6px; margin-top: 32px; }
.platform-link { display: grid; place-items: center; width: 44px; height: 44px; color: #4f7996; border-radius: 6px; text-decoration: none; transition: color .15s, background .15s; }
.platform-link:hover, .platform-link:focus-visible { color: #0276c7; background: #e4f3ff; }
.platform-icon { display: block; width: 20px; height: 20px; fill: currentColor; }
.emblem { margin: 0; text-align: center; }
.emblem-field { position: relative; width: 100%; max-width: 468px; aspect-ratio: 1; margin-inline: auto; display: grid; place-items: center; }
.emblem-field::before { content: ""; position: absolute; width: 84%; height: 84%; border-radius: 50%; background: #eaf6ff; }
.badge { display: block; width: 83%; height: auto; position: relative; z-index: 1; }
.orbit { position: absolute; border-radius: 50%; pointer-events: none; }
.orbit-one { width: 89%; height: 89%; border: 1px solid rgba(2, 148, 252, .18); }
.orbit-two { width: 100%; height: 100%; border: 1px dashed rgba(2, 148, 252, .12); }
.field-mark { position: absolute; color: #7ca9c6; font-size: 15px; line-height: 1; font-weight: 300; }
.mark-top { top: -6px; right: 50%; transform: translateX(50%); }
.mark-bottom { bottom: -6px; right: 50%; transform: translateX(50%); }
.site-footer { border-top: 1px solid var(--line); min-height: 92px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--quiet); font-size: 11px; letter-spacing: .12em; }
.site-footer p { margin: 0; }
.site-footer p > span[aria-hidden] { margin-inline: 11px; opacity: .5; }
.footer-domain { font-size: 10px; letter-spacing: .09em; }
@media (max-width: 1000px) {
  .page { width: calc(100% - 64px); }
  .intro { padding-left: 0; }
  .hero { gap: 20px; }
  h1 { font-size: 62px; }
  .emblem-field { max-width: 370px; }
}
@media (max-width: 700px) {
  .page { width: calc(100% - 48px); }
  .site-header { height: 82px; gap: 12px; }
  .wordmark { font-size: 12px; letter-spacing: .18em; }
  .site-status { font-size: 10px; letter-spacing: .08em; gap: 7px; }
  .hero { grid-template-columns: 1fr; gap: 48px; min-height: 0; padding-block: 55px 46px; }
  .intro { text-align: center; }
  h1 { font-size: clamp(42px, 12.6vw, 62px); letter-spacing: .07em; }
  .poem { margin-top: 24px; }
  blockquote p { font-size: 24px; line-height: 1.9; letter-spacing: .12em; }
  .poem figcaption { margin-top: 10px; font-size: 11px; }
  .platforms { justify-content: center; margin-top: 26px; }
  .emblem-field { max-width: 285px; }
  .site-footer { min-height: 91px; flex-direction: column; justify-content: center; gap: 11px; padding-block: 22px; font-size: 10px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero { animation: arrive .75s ease-out both; }
  @keyframes arrive { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .platform-link { transition: none; } }