/* ============================================================
   崔彦斌的游戏空间 · 首页样式
   ============================================================ */

body.site {
  overflow-x: hidden;
}

body.site::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(
      720px 520px at 12% -6%,
      rgba(124, 92, 255, 0.28),
      transparent 62%
    ),
    radial-gradient(
      780px 560px at 92% 4%,
      rgba(34, 211, 238, 0.16),
      transparent 64%
    ),
    radial-gradient(
      620px 520px at 50% 112%,
      rgba(255, 107, 168, 0.12),
      transparent 70%
    ),
    var(--bg);
  pointer-events: none;
}

body.site::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.028) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}

.wrap {
  width: min(1180px, 100%);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- 顶部导航 ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease,
    backdrop-filter 0.25s ease;
}

.site-nav.is-stuck {
  background: rgba(8, 10, 18, 0.72);
  border-color: var(--line);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 750;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  font-size: 19px;
  font-weight: 800;
  color: #0a0c14;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 22px rgba(124, 92, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.brand-name {
  font-size: 16px;
}

.brand-name span {
  color: var(--muted);
  font-weight: 500;
}

.nav-spacer {
  flex: 1;
}

.nav-link {
  font-size: 14px;
  font-weight: 550;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 650;
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(56px, 9vw, 104px) clamp(36px, 5vw, 56px);
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  width: min(760px, 90vw);
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse at center,
    rgba(124, 92, 255, 0.28),
    transparent 66%
  );
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(94, 230, 168, 0.14);
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 8px rgba(94, 230, 168, 0.03);
  }
}

.hero h1 {
  margin: 22px auto 0;
  max-width: 14em;
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 850;
  background: linear-gradient(
    100deg,
    #ffffff 8%,
    #c9c2ff 38%,
    #8be9ff 68%,
    #ffc2dd 96%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-wrap: balance;
}

.hero h1 .accent {
  display: inline-block;
  background: linear-gradient(120deg, #8be9ff, #c4b5fd 60%, #ff9ec7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin: 20px auto 0;
  max-width: 36em;
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--muted);
  text-wrap: pretty;
}

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

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

.hero-actions .btn {
  min-height: 50px;
  padding-inline: 26px;
  font-size: 15.5px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: min(660px, 100%);
  margin: 44px auto 0;
  padding: 0;
  list-style: none;
}

.hero-stats li {
  padding: 14px 10px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}

.hero-stats b {
  display: block;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-stats span {
  display: block;
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--muted-soft);
}

/* ---------- 游戏列表 ---------- */

.games-section {
  padding-block: clamp(28px, 5vw, 56px) 10px;
  scroll-margin-top: 84px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-head h2 .count {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  font-weight: 650;
  color: var(--muted);
  vertical-align: 4px;
}

.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14.5px;
}

.search {
  position: relative;
  width: min(300px, 100%);
}

.search svg {
  position: absolute;
  top: 50%;
  left: 14px;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  color: var(--muted-soft);
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 44px;
  padding: 0 16px 0 40px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s ease, background 0.18s ease,
    box-shadow 0.18s ease;
}

.search input::placeholder {
  color: var(--muted-soft);
}

.search input:focus {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.1);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.chip {
  height: 34px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 550;
  transition: color 0.18s ease, background 0.18s ease,
    border-color 0.18s ease;
}

.chip:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.chip[aria-pressed="true"] {
  color: #0a0c14;
  background: linear-gradient(135deg, #8be9ff, #c4b5fd);
  border-color: transparent;
  font-weight: 700;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.game-card {
  --c1: #7c5cff;
  --c2: #22d3ee;
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.055),
    rgba(255, 255, 255, 0.02)
  );
  overflow: hidden;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.3, 1),
    border-color 0.22s ease, box-shadow 0.22s ease;
}

.game-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    420px 220px at 50% -10%,
    color-mix(in srgb, var(--c2) 22%, transparent),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.game-card:hover,
.game-card:focus-visible {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--c2) 40%, var(--line));
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.45),
    0 0 0 1px color-mix(in srgb, var(--c2) 14%, transparent);
}

.game-card:hover::after,
.game-card:focus-visible::after {
  opacity: 1;
}

.card-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 132px;
  background: radial-gradient(
      120% 150% at 20% 0%,
      color-mix(in srgb, var(--c1) 55%, transparent),
      transparent 62%
    ),
    radial-gradient(
      120% 150% at 92% 18%,
      color-mix(in srgb, var(--c2) 45%, transparent),
      transparent 60%
    ),
    rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.card-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.16) 1px,
    transparent 1px
  );
  background-size: 16px 16px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 10%, transparent 72%);
  opacity: 0.5;
}

.card-emoji {
  position: relative;
  font-size: 54px;
  line-height: 1;
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.45));
  transform: translateY(2px) rotate(-3deg);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.3);
}

.game-card:hover .card-emoji {
  transform: translateY(-2px) rotate(2deg) scale(1.06);
}

.card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 10, 18, 0.42);
  backdrop-filter: blur(8px);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.86);
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 5px;
  padding: 16px 18px 17px;
}

.card-body h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.01em;
}

.card-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  min-height: 2.9em;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.card-best {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--muted-soft);
}

.card-best.is-record {
  color: var(--yellow);
}

.card-go {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 650;
  color: color-mix(in srgb, var(--c2) 74%, white);
  transition: gap 0.18s ease;
}

.game-card:hover .card-go {
  gap: 9px;
}

.card-go svg {
  width: 13px;
  height: 13px;
}

.empty-state {
  display: none;
  padding: 56px 20px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: 20px;
  color: var(--muted);
  font-size: 14.5px;
}

.empty-state b {
  display: block;
  margin-bottom: 6px;
  font-size: 34px;
  line-height: 1.2;
}

.empty-state.is-visible {
  display: block;
}

/* ---------- 特性 ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: clamp(40px, 6vw, 64px);
}

.feature {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.028);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-size: 19px;
  background: rgba(124, 92, 255, 0.16);
  border: 1px solid rgba(124, 92, 255, 0.28);
}

.feature h3 {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 700;
}

.feature p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 页脚 ---------- */

.site-foot {
  margin-top: clamp(48px, 8vw, 84px);
  border-top: 1px solid var(--line);
  background: rgba(8, 10, 18, 0.5);
}

.foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 26px;
  font-size: 13px;
  color: var(--muted-soft);
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 550;
}

.foot-brand .mini-mark {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 800;
  color: #0a0c14;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.foot-links {
  display: flex;
  gap: 6px;
}

.foot-links a {
  padding: 4px 9px;
  border-radius: 8px;
  color: var(--muted-soft);
  transition: color 0.18s ease, background 0.18s ease;
}

.foot-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.heart {
  color: var(--pink);
}

/* ---------- 入场动画 ---------- */

.reveal.is-in {
  animation: card-in 0.5s cubic-bezier(0.2, 0.8, 0.3, 1) both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

/* ---------- 响应式 ---------- */

@media (max-width: 780px) {
  .wrap {
    padding-inline: 18px;
  }

  .nav-link {
    display: none;
  }

  .brand-name span {
    display: none;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 34px;
  }

  .games-section {
    padding-top: 34px;
  }

  .section-head {
    align-items: stretch;
  }

  .search {
    width: 100%;
  }

  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
  }

  .card-art {
    height: 112px;
  }

  .card-emoji {
    font-size: 46px;
  }
}

@media (max-width: 520px) {
  .brand-name {
    display: none;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 46px);
  }

  .hero-actions .btn {
    flex: 1 1 45%;
    min-height: 46px;
    padding-inline: 14px;
  }

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

  .card-art {
    height: 104px;
  }

  .card-body p {
    min-height: 0;
  }

  .foot-inner {
    justify-content: center;
    text-align: center;
  }
}