:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #080a12;
  color: #f5f7ff;
  font-synthesis: none;

  /* 主题色盘 */
  --bg-base: #080a12;
  --bg-surface: rgba(22, 27, 42, 0.75);
  --bg-surface-hover: rgba(28, 35, 54, 0.9);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);

  --color-tools: #6cf2d0;
  --color-tools-glow: rgba(108, 242, 208, 0.18);
  --color-tools-bg: rgba(108, 242, 208, 0.08);

  --color-games: #a791ff;
  --color-games-glow: rgba(167, 145, 255, 0.18);
  --color-games-bg: rgba(167, 145, 255, 0.08);

  --text-primary: #f5f7ff;
  --text-secondary: #c2c9dc;
  --text-muted: #8b93a8;
  --text-faint: #5a6277;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--bg-base);
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 75% 15%, rgba(89, 104, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 15% 3%, rgba(108, 242, 208, 0.07), transparent 28rem),
    radial-gradient(circle at 50% 85%, rgba(167, 145, 255, 0.06), transparent 34rem),
    var(--bg-base);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, black 30%, transparent 92%);
  pointer-events: none;
}

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

code, kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.page-shell {
  width: min(100% - 40px, 1200px);
  min-height: 100vh;
  margin: 0 auto;
  padding-bottom: 24px;
}

/* ==========================================================================
   Header 页眉导航
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(8, 10, 18, 0.72);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: opacity 160ms ease;
}

.brand:hover {
  opacity: 0.9;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(108, 242, 208, 0.6);
  border-radius: 10px;
  background: linear-gradient(135deg, #192032, #0e121d);
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-subtitle {
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 550;
  transition: color 150ms ease, background-color 150ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  outline: none;
}

.header-shortcuts {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  font-size: 0.72rem;
}

.key-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: #191e2e;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.5);
  color: var(--color-tools);
  font-weight: 600;
  font-size: 0.68rem;
}

.header-shortcuts .key-badge:nth-of-type(2) {
  color: var(--color-games);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 9px;
  border: 1px solid rgba(108, 242, 208, 0.25);
  border-radius: 20px;
  background: rgba(108, 242, 208, 0.05);
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.status span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-tools);
  box-shadow: 0 0 8px var(--color-tools);
}

/* ==========================================================================
   紧凑型 Hero（首屏优化：高度适中，杜绝占据大半屏）
   ========================================================================== */
.hero-compact {
  display: grid;
  gap: 28px;
  padding: 38px 0 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.badge-accent {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid rgba(108, 242, 208, 0.35);
  border-radius: 6px;
  background: var(--color-tools-bg);
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tagline-dot {
  color: var(--text-faint);
}

.tagline-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.hero-compact h1 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font-size: clamp(2.4rem, 4.8vw, 3.8rem);
  font-weight: 780;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.accent-dot {
  color: var(--color-tools);
}

.hero-intro {
  max-width: 52rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
}

.hero-intro strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 16px 20px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.meta-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-number {
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.25rem;
  font-weight: 700;
}

.meta-stat:nth-child(1) .stat-number { color: var(--color-tools); }
.meta-stat:nth-child(3) .stat-number { color: #8aa5ff; }
.meta-stat:nth-child(5) .stat-number { color: var(--color-games); }
.meta-stat:nth-child(7) .stat-number { color: #5eead4; }

.stat-label {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.meta-divider {
  width: 1px;
  height: 20px;
  background: var(--border-subtle);
}

/* ==========================================================================
   子站入口看板（Subsite Portal Hub - 首屏核心）
   ========================================================================== */
.subsites-section {
  padding: 34px 0 44px;
}

.section-title-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-badge {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-title-bar h2 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 720;
  letter-spacing: -0.03em;
}

.section-desc {
  max-width: 32rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.subsites-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.subsite-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(26, 32, 48, 0.85), rgba(13, 17, 28, 0.92));
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.subsite-card:hover {
  transform: translateY(-3px);
}

.card-tools:hover {
  border-color: rgba(108, 242, 208, 0.4);
  box-shadow:
    0 18px 42px rgba(0, 0, 0, 0.45),
    0 0 28px var(--color-tools-glow);
}

.card-games:hover {
  border-color: rgba(167, 145, 255, 0.4);
  box-shadow:
    0 18px 42px rgba(0, 0, 0, 0.45),
    0 0 28px var(--color-games-glow);
}

.subsite-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.subsite-identity {
  display: flex;
  align-items: center;
  gap: 14px;
}

.subsite-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.4rem;
  border: 1px solid var(--border-subtle);
}

.subsite-code {
  display: block;
  margin-bottom: 2px;
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.card-games .subsite-code {
  color: var(--color-games);
}

.subsite-name {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subsite-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: #abb3c7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  white-space: nowrap;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

.status-dev-games .status-indicator {
  background: #a791ff;
  box-shadow: 0 0 8px rgba(167, 145, 255, 0.6);
}

.subsite-summary {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
}

.subsite-features {
  margin-bottom: 24px;
}

.feature-title {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-pills span {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid rgba(108, 242, 208, 0.22);
  border-radius: 8px;
  background: rgba(108, 242, 208, 0.05);
  color: #a8f5e1;
  font-size: 0.78rem;
  font-weight: 520;
}

.feature-pills-games span {
  border-color: rgba(167, 145, 255, 0.25);
  background: rgba(167, 145, 255, 0.06);
  color: #d2c8ff;
}

.subsite-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.subsite-route {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
}

.route-label {
  color: var(--text-faint);
}

.subsite-route code {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.subsite-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.btn-tools {
  border: 1px solid rgba(108, 242, 208, 0.4);
  background: rgba(108, 242, 208, 0.12);
  color: var(--color-tools);
}

.btn-tools:hover {
  background: var(--color-tools);
  color: #07120f;
  transform: translateY(-2px);
}

.btn-games {
  border: 1px solid rgba(167, 145, 255, 0.4);
  background: rgba(167, 145, 255, 0.12);
  color: var(--color-games);
}

.btn-games:hover {
  background: var(--color-games);
  color: #0d0a1b;
  transform: translateY(-2px);
}

.btn-arrow {
  display: inline-block;
  transition: transform 160ms ease;
}

.subsite-btn:hover .btn-arrow {
  transform: translateY(2px);
}

/* ==========================================================================
   常规目录分区（Catalog Section: Tools & Games）
   ========================================================================== */
.catalog-section {
  padding: 56px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-heading {
  display: grid;
  align-items: end;
  gap: 32px;
  margin-bottom: 34px;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
}

.section-index {
  margin: 0 0 10px;
  color: var(--color-tools);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.section-heading h2 {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-heading > p {
  max-width: 32rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* 工具卡片矩阵 */
.tool-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.directory-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(24, 29, 44, 0.8), rgba(12, 16, 26, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.tool-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 24px;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.tool-card:hover {
  border-color: rgba(108, 242, 208, 0.32);
  background: linear-gradient(145deg, rgba(28, 34, 52, 0.9), rgba(14, 18, 30, 0.96));
  transform: translateY(-3px);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.card-code {
  color: var(--color-tools);
  font-weight: 700;
}

.card-badge {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(108, 242, 208, 0.08);
  color: #79f5d6;
  font-size: 0.68rem;
}

.card-badge-purple {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(167, 145, 255, 0.1);
  color: #c4b6ff;
  font-size: 0.68rem;
}

.directory-card h3 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 680;
  letter-spacing: -0.02em;
}

.directory-card p {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
}

.capability-list li {
  position: relative;
  padding-left: 14px;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.capability-list li::before {
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-tools);
  content: "";
  opacity: 0.75;
}

.card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.availability::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #545b6d;
  content: "";
}

/* ==========================================================================
   游戏专区（Play Arcade）
   ========================================================================== */
.game-section .section-index {
  color: var(--color-games);
}

.game-categories-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.game-group-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.game-group-card:hover {
  border-color: rgba(167, 145, 255, 0.32);
  transform: translateY(-3px);
}

.game-group-header {
  margin-bottom: 20px;
}

.game-group-header .card-code {
  color: var(--color-games);
}

.game-item-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.game-item {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  transition: background 150ms ease, border-color 150ms ease;
}

.game-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(167, 145, 255, 0.2);
}

.game-item-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.game-item-title strong {
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 620;
}

.item-tag {
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(167, 145, 255, 0.12);
  color: #cbbeff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
}

.game-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.game-availability::before {
  background: #8b79d6;
}

/* ==========================================================================
   特性与理念（Features Section）
   ========================================================================== */
.features-section {
  padding: 56px 0 68px;
  border-top: 1px solid var(--border-subtle);
}

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

.feature-card {
  padding: 26px;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.035);
}

.feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 1.25rem;
  border: 1px solid var(--border-subtle);
}

.feature-card h4 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 650;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.68;
}

/* ==========================================================================
   Footer 页脚
   ========================================================================== */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 28px 0 20px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.84rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand {
  color: var(--text-primary);
  font-weight: 650;
}

.footer-copy {
  color: var(--text-faint);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 150ms ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-right {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-tip kbd {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: #171b29;
  color: var(--color-tools);
  font-size: 0.72rem;
  margin: 0 2px;
}

.footer-tip kbd:nth-of-type(2) {
  color: var(--color-games);
}

/* ==========================================================================
   响应式设计与媒体查询
   ========================================================================== */
@media (max-width: 980px) {
  .subsites-grid,
  .tool-grid,
  .game-categories-grid,
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-title-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 680px) {
  .page-shell {
    width: min(100% - 28px, 1200px);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 0;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .header-shortcuts {
    display: none;
  }

  .site-nav a {
    padding: 6px 9px;
    font-size: 0.82rem;
  }

  .hero-compact {
    padding: 24px 0 20px;
  }

  .hero-compact h1 {
    font-size: 2.2rem;
  }

  .subsites-grid,
  .tool-grid,
  .game-categories-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .subsite-card {
    padding: 20px;
  }

  .subsite-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .subsite-btn {
    width: 100%;
    justify-content: center;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .subsite-card,
  .tool-card,
  .game-group-card,
  .subsite-btn {
    transition: none;
  }
}