:root {
  --bg: #f7f5f1;
  --bg-top: #fbfaf8;
  --bg-mid: #f5f2ee;
  --bg-bottom: #f0ece7;
  --ink: #181818;
  --muted: #6f6a63;
  --line: rgba(24,24,24,0.08);
  --accent: #ff7d6c;
  --chip: rgba(255,255,255,0.82);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(circle at top, var(--bg-top) 0%, var(--bg-mid) 60%, var(--bg-bottom) 100%);
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
canvas { display: block; }
.site-ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}
.topbar {
  pointer-events: auto;
  position: absolute;
  top: 22px;
  left: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid rgba(24,24,24,0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(255,125,108,0.12);
}
.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-copy strong {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-copy span {
  font-size: 12px;
  color: var(--muted);
}
.nav {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid rgba(24,24,24,0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.nav a {
  pointer-events: auto;
  text-decoration: none;
  color: rgba(24,24,24,0.6);
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 999px;
  transition: all .2s ease;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: #141414;
  background: rgba(255,255,255,0.92);
}
.lang-switch {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid rgba(24,24,24,0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(24,24,24,0.55);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s ease;
}
.lang-switch button.is-active {
  color: #141414;
  background: rgba(255,255,255,0.92);
  font-weight: 700;
}
.corner-note {
  position: absolute;
  right: 26px;
  bottom: 22px;
  max-width: min(360px, 42vw);
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.68);
  border: 1px solid rgba(24,24,24,0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(24,24,24,0.62);
  letter-spacing: 0.02em;
}
.quick-links {
  position: absolute;
  left: 26px;
  bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: min(420px, 46vw);
  pointer-events: auto;
}
.quick-links[hidden] {
  display: none;
}
.quick-links a {
  text-decoration: none;
  color: #141414;
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(24,24,24,0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.05);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.quick-links a:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.92);
  box-shadow: 0 14px 28px rgba(0,0,0,0.08);
}
.side-pager {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.side-pager[hidden] {
  display: none;
}
.page-rail {
  position: absolute;
  top: 50%;
  width: min(164px, 18vw);
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  text-decoration: none;
  color: rgba(24,24,24,0.78);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
  background: rgba(255,255,255,0.52) !important;
  background-image: none !important;
  border: 1px solid rgba(24,24,24,0.08);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  transform: translateY(-50%);
  transition: transform .28s cubic-bezier(.22,1,.36,1), box-shadow .28s ease, background .28s ease;
  pointer-events: auto;
  overflow: hidden;
}
.page-rail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04));
  pointer-events: none;
}
.page-rail::after {
  display: none;
}
.page-rail:hover {
  background: rgba(255,255,255,0.66) !important;
  box-shadow: 0 14px 34px rgba(0,0,0,0.1);
}
.page-rail.is-prev {
  left: max(24px, calc(50% - 520px));
}
.page-rail.is-prev:hover {
  transform: translateY(-50%) translateX(-4px);
}
.page-rail.is-next {
  right: max(24px, calc(50% - 520px));
  justify-content: flex-end;
  text-align: right;
}
.page-rail.is-next:hover {
  transform: translateY(-50%) translateX(4px);
}
.page-rail-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  max-width: 92px;
}
.page-rail-copy::before {
  display: none;
}
.page-rail.is-next .page-rail-copy {
  align-items: flex-end;
}
.page-rail-kicker {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(24,24,24,0.42);
}
.page-rail-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.page-rail-arrow {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: rgba(24,24,24,0.7);
  font-size: 18px;
  line-height: 1;
  background: transparent;
  box-shadow: none;
}
.page-rail.is-prev,
.page-rail.is-next {
  clip-path: none;
}
.page-rail:focus-visible {
  outline: 2px solid rgba(255,125,108,0.45);
  outline-offset: 4px;
}
body.is-page-transitioning {
  cursor: progress;
}
@media (max-width: 1100px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .topbar-right {
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}
@media (max-width: 980px) {
  .corner-note {
    left: 24px;
    right: 24px;
    max-width: none;
    bottom: 78px;
  }
  .quick-links {
    left: 24px;
    right: 24px;
    bottom: 22px;
    max-width: none;
  }
  .page-rail {
    top: 70%;
    width: 52px;
    height: 52px;
    min-height: 52px;
    padding: 0;
    gap: 0;
    justify-content: center;
    flex-direction: row;
  }
  .page-rail.is-prev {
    left: 14px;
    transform: translateY(-50%);
  }
  .page-rail.is-next {
    right: 14px;
    transform: translateY(-50%);
  }
  .page-rail-copy {
    display: none;
  }
  .page-rail.is-next .page-rail-copy {
    align-items: center;
  }
  .page-rail-kicker {
    display: none;
  }
  .page-rail-label {
    writing-mode: initial;
    text-orientation: initial;
    white-space: nowrap;
    font-size: 11px;
    line-height: 1;
    letter-spacing: 0.08em;
  }
  .page-rail-arrow {
    width: 20px;
    height: 20px;
    font-size: 17px;
  }
  .page-rail-copy::before {
    display: none;
  }
}