:root {
  color-scheme: dark;
  --bg: #101113;
  --panel: rgba(23, 25, 29, 0.72);
  --panel-solid: #1a1c20;
  --text: #f3f0ea;
  --muted: #b8b0a3;
  --soft: #d9ccb8;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #d7b56d;
  --accent-strong: #f0d58c;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --shadow-soft: 0 14px 42px rgba(0, 0, 0, 0.22);
}

:root[data-theme="day"] {
  color-scheme: light;
  --bg: #f1eee7;
  --panel: rgba(250, 247, 239, 0.76);
  --panel-solid: #f8f4eb;
  --text: #1d1d1a;
  --muted: #6d655b;
  --soft: #3c3832;
  --line: rgba(39, 34, 27, 0.16);
  --accent: #9d6b22;
  --accent-strong: #7a4d12;
  --shadow: 0 24px 80px rgba(73, 54, 31, 0.18);
  --shadow-soft: 0 14px 42px rgba(73, 54, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family:
    "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.38)),
    linear-gradient(180deg, rgba(16, 17, 19, 0.2), var(--bg) 88%),
    url("../themes/image/moon.png") center / cover fixed;
}

::selection {
  color: #17120a;
  background: var(--accent-strong);
}

:root[data-theme="day"] body {
  background:
    linear-gradient(90deg, rgba(247, 240, 228, 0.9), rgba(247, 240, 228, 0.34)),
    linear-gradient(180deg, rgba(241, 238, 231, 0.05), var(--bg) 88%),
    url("../themes/image/sun.png") center / cover fixed;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 75%);
}

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

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100vw;
  min-height: 72px;
  margin-left: calc(50% - 50vw);
  padding-right: max(20px, calc((100vw - 1180px) / 2));
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  gap: 24px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.03),
    0 14px 34px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(18px);
}

.brand,
.header-actions,
.theme-toggle {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent-strong);
  transform: rotate(45deg);
}

.theme-toggle:focus-visible,
.search-box input:focus-visible,
.clear-search:focus-visible,
.game-card:focus-visible,
.back-to-top:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent-strong) 72%, transparent);
  outline-offset: 3px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  background: var(--panel);
  cursor: pointer;
  backdrop-filter: blur(18px);
}

.theme-toggle {
  min-width: 68px;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
}

.theme-toggle:hover {
  border-color: color-mix(in srgb, var(--accent-strong) 55%, var(--line));
}

.header-actions {
  gap: 10px;
  min-width: min(100%, 340px);
  justify-content: flex-end;
}

.hero {
  display: flex;
  align-items: center;
  min-height: min(660px, calc(100vh - 72px));
  padding: 48px 0 72px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 28px;
  letter-spacing: 0;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 22px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.9;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 13px;
}

.hero-stats span {
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
}

.hero-stats strong {
  color: var(--text);
  font-size: 18px;
  line-height: 1;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.section-block {
  padding: 34px 0 76px;
  scroll-margin-top: 88px;
}

.section-heading,
.info-band {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.section-heading > p,
.info-band > p,
.site-footer {
  color: var(--muted);
  line-height: 1.8;
}

.search-box {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.search-box {
  min-width: min(100%, 320px);
}

.header-search {
  flex: 1;
  min-width: 180px;
  max-width: 260px;
}

.search-control {
  position: relative;
  display: block;
}

.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  background: var(--panel);
  outline: none;
  backdrop-filter: blur(18px);
}

.search-box input {
  padding-right: 62px;
}

.clear-search {
  position: absolute;
  top: 50%;
  right: 6px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
}

.clear-search:hover,
.clear-search:focus-visible {
  border-color: var(--line);
  color: var(--text);
  background: color-mix(in srgb, var(--panel-solid) 62%, transparent);
}

.clear-search[hidden] {
  display: none;
}

.search-box input:focus {
  border-color: color-mix(in srgb, var(--accent-strong) 55%, var(--line));
}

.result-count {
  margin: -10px 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
  gap: 14px;
}

.game-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  box-shadow: var(--shadow-soft);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.game-card::after {
  position: absolute;
  right: 10px;
  bottom: 68px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  content: "查看档案";
  background: rgba(0, 0, 0, 0.42);
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  backdrop-filter: blur(14px);
}

.game-card:hover {
  border-color: color-mix(in srgb, var(--accent-strong) 48%, var(--line));
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.game-card:hover::after,
.game-card:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.game-card.is-unclassified {
  border-color: color-mix(in srgb, var(--accent-strong) 38%, var(--line));
}

.game-cover {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: #22252a;
  transition: transform 220ms ease;
}

.is-fallback-image {
  object-fit: cover;
}

.game-card:hover .game-cover,
.game-card:focus-visible .game-cover {
  transform: scale(1.035);
}

.game-body {
  padding: 12px;
}

.game-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-bottom: 8px;
  padding: 0 8px;
  border: 1px solid color-mix(in srgb, var(--accent-strong) 48%, var(--line));
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 12px;
}

.game-title {
  display: -webkit-box;
  min-height: 42px;
  margin: 0;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.empty-state {
  display: grid;
  grid-column: 1 / -1;
  gap: 6px;
  min-height: 120px;
  align-content: center;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.12);
}

.empty-state strong {
  color: var(--text);
  font-size: 16px;
}

.info-band {
  align-items: center;
  margin: 20px 0 56px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .game-card {
    transition: none;
  }

  .game-card:hover {
    transform: none;
  }
}

.site-footer {
  padding: 28px 0 42px;
  font-size: 13px;
}

.site-footer p {
  margin-bottom: 0;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 8;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel-solid) 84%, transparent);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.back-to-top:hover {
  border-color: color-mix(in srgb, var(--accent-strong) 55%, var(--line));
  color: var(--accent-strong);
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 28px, 680px);
  }

  .site-header,
  .section-heading,
  .info-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    position: static;
    width: auto;
    min-height: auto;
    margin-left: 0;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 46px;
  }

  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 24px, 480px);
  }

  .hero {
    padding: 38px 0 38px;
  }

  .header-actions,
  .search-box {
    width: 100%;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .header-search {
    max-width: none;
  }

  h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  .hero-text {
    font-size: 16px;
    line-height: 1.75;
  }

  .section-block {
    padding: 26px 0 52px;
  }

  .section-heading {
    gap: 16px;
    margin-bottom: 18px;
  }

  h2 {
    font-size: 24px;
  }

  .game-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .game-body {
    padding: 10px;
  }

  .game-title {
    min-height: 40px;
    font-size: 14px;
  }

  .back-to-top {
    right: 12px;
    bottom: 12px;
    width: 38px;
    height: 38px;
  }
}