:root {
  color-scheme: dark;
  --bg: #0e0e14;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #f7f3ee;
  --muted: #aaa6b7;
  --line: rgba(255, 255, 255, 0.12);
  --purple: #a855f7;
  --gold: #d4af37;
  --blue: #0b6bcb;
  --paper: #f5e6c8;
  --red: #e74c3c;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(168, 85, 247, 0.34), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(231, 76, 60, 0.3), transparent 32rem),
    radial-gradient(circle at 50% 100%, rgba(11, 107, 203, 0.25), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(14, 14, 20, 0.82);
  backdrop-filter: blur(18px);
}

.nav,
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--purple), var(--red));
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a,
.button {
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--text);
  color: #121217;
}

.hero {
  padding: 82px 0 54px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  padding: 7px 13px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.05em;
}

h1 {
  margin: 20px auto 0;
  max-width: 900px;
  font-size: clamp(42px, 8vw, 78px);
}

h2 {
  font-size: clamp(30px, 4vw, 46px);
}

h3 {
  font-size: 24px;
}

.lead {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--purple), var(--red));
  color: white;
  box-shadow: 0 18px 44px rgba(168, 85, 247, 0.28);
}

.button:hover {
  transform: translateY(-1px);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.section {
  padding: 46px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 22px;
}

.section-heading p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.version-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.version-card,
.panel,
.preview-card,
.task-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.version-card {
  position: relative;
  display: flex;
  min-height: 330px;
  flex-direction: column;
  overflow: hidden;
  padding: 28px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.version-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.32);
}

.version-card::before {
  content: "";
  position: absolute;
  inset: -70px -70px auto auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(46px);
  opacity: 0.7;
}

.version-card > * {
  position: relative;
}

.version-card .icon {
  font-size: 44px;
}

.version-card p {
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tag {
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 3px 10px;
  color: inherit;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.72;
}

.card-link {
  margin-top: auto;
  color: white;
  font-weight: 900;
}

.game {
  --accent: #a855f7;
}

.gufeng {
  --accent: #d4af37;
  font-family: "Songti SC", "STSong", "SimSun", serif;
}

.notion {
  --accent: #0b6bcb;
  background: #fff;
  color: #37352f;
}

.notion p,
.notion .tag,
.notion .card-link {
  color: #5f5e58;
}

.langlangshan {
  --accent: #c0392b;
  background: linear-gradient(135deg, #f5e6c8, #ebd9b4);
  color: #2c2416;
  font-family: "KaiTi", "STKaiti", "PingFang SC", serif;
}

.langlangshan p,
.langlangshan .tag,
.langlangshan .card-link {
  color: #5f4e33;
}

.nezha {
  --accent: #e74c3c;
}

.variant-hero {
  padding: 58px 0 28px;
}

.variant-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding-bottom: 72px;
}

.panel {
  padding: 20px;
}

.panel.sticky {
  position: sticky;
  top: 88px;
}

.version-list {
  display: grid;
  gap: 8px;
}

.version-list a {
  border-radius: 16px;
  padding: 11px 12px;
  color: var(--muted);
  font-weight: 800;
}

.version-list a:hover,
.version-list a[aria-current="page"] {
  background: var(--text);
  color: #121217;
}

.preview-card {
  padding: clamp(24px, 5vw, 48px);
}

.preview-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  margin-bottom: 26px;
}

.preview-icon {
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  border-radius: 24px;
  background: var(--accent);
  font-size: 36px;
}

.preview-card p,
.task-card p,
.panel p {
  color: var(--muted);
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.task-card {
  padding: 18px;
}

.task-card strong {
  display: block;
  margin-bottom: 6px;
}

.demo-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(0, 0, 0, 0.24);
  margin-top: 26px;
}

.demo-bar {
  display: flex;
  gap: 7px;
  border-bottom: 1px solid var(--line);
  padding: 12px;
}

.demo-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.82;
}

.demo-body {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.demo-block {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  padding: 16px;
}

.demo-block.small {
  width: 70%;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 38px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .version-grid,
  .variant-layout {
    grid-template-columns: 1fr;
  }

  .panel.sticky {
    position: static;
  }
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .section-heading,
  .preview-head {
    align-items: start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .task-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 0 32px;
  }

  .lead {
    font-size: 16px;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .actions .button {
    width: 100%;
  }

  .section {
    padding: 28px 0;
  }

  .version-card {
    min-height: auto;
    padding: 22px;
  }
}

html,
body {
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

img {
  max-width: 100%;
  height: auto;
}