:root {
  --ac-ice: #e9f8ff;
  --ac-ink: #0f3044;
  --ac-night: #041621;
  --ac-panel: #d7edf8;
  --ac-line: #7fb8d1;
  --ac-blue: #2a88b1;
}

* {
  box-sizing: border-box;
}

body.ac-page {
  margin: 0;
  font-family: "Merriweather Sans", sans-serif;
  color: var(--ac-ink);
  background:
    linear-gradient(100deg, #f3fbff 0%, #d5ecf8 56%, #e4f4ff 100%);
  min-height: 100vh;
}

a {
  color: inherit;
}

.ac-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 136px);
}

.ac-rail {
  background: linear-gradient(170deg, #0a2534, #0f3d56);
  color: var(--ac-ice);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ac-logo img {
  width: 100%;
  max-width: 230px;
  height: auto;
}

.ac-menu-btn {
  display: none;
  width: 45px;
  border: 1px solid rgba(223, 248, 255, 0.5);
  border-radius: 10px;
  background: transparent;
  padding: 0.4rem 0.45rem;
}

.ac-menu-btn span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #ecf9ff;
}

.ac-menu {
  display: grid;
  gap: 0.45rem;
}

.ac-menu a {
  text-decoration: none;
  border: 1px solid rgba(216, 242, 255, 0.35);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
}

.ac-menu a:hover,
.ac-menu a:focus-visible {
  background: rgba(216, 242, 255, 0.14);
}

.ac-rail-note {
  margin-top: auto;
  font-size: 0.85rem;
  color: #c7e8f7;
}

.ac-main {
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  gap: 1rem;
}

.ac-intro {
  border: 1px solid var(--ac-line);
  border-left: 8px solid var(--ac-blue);
  background: rgba(255, 255, 255, 0.75);
  border-radius: 16px;
  padding: 1rem 1.1rem;
}

.ac-mini {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: #1f6b8e;
}

h1 {
  font-size: clamp(1.5rem, 3.4vw, 2.9rem);
  margin: 0.45rem 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

p {
  line-height: 1.63;
}

.ac-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.ac-tags span {
  border: 1px solid #5ea1bf;
  background: rgba(255, 255, 255, 0.85);
  color: #0f4f6d;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-weight: 700;
}

.ac-stage {
  border: 1px solid #6da5c0;
  border-radius: 18px;
  background: linear-gradient(180deg, #eef8ff, #d8ebf7);
  padding: 1rem;
}

.ac-stage header p {
  margin-top: 0.4rem;
}

.ac-stage iframe {
  margin-top: 0.9rem;
  width: 100%;
  border: 0;
  border-radius: 12px;
  height: min(72vw, 710px);
  display: block;
  background: #000;
}

.ac-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

.ac-grid article {
  border: 1px solid #86b8cf;
  border-radius: 14px;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.72);
}

.ac-footer {
  padding: 0.95rem 1rem 1.5rem;
  border-top: 1px solid #8cbad0;
  text-align: center;
  display: grid;
  gap: 0.55rem;
}

.ac-footer div {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.ac-footer a {
  color: #0d5778;
}

.ac-agewall {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(3, 12, 18, 0.82);
  padding: 1rem;
}

.ac-agewall section {
  width: min(520px, 100%);
  background: #ecf8ff;
  border: 2px solid #6ea7c0;
  border-radius: 16px;
  padding: 1.1rem;
}

.ac-agewall ul {
  margin: 0.8rem 0;
  padding-left: 1rem;
}

.ac-age-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ac-age-actions button {
  border: 0;
  border-radius: 9px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.ac-age-actions button[data-ac-age="yes"] {
  background: #1f7599;
  color: #ecf9ff;
}

.ac-age-actions button[data-ac-age="no"] {
  background: #c0d8e5;
  color: #12364a;
}

body.ac-locked {
  overflow: hidden;
}

body.ac-locked .ac-agewall {
  display: flex;
}

.ac-docpage .ac-topbar {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #94bfce;
  background: #ecf8ff;
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.75rem;
  align-items: center;
}

.ac-docpage .ac-topbar .ac-logo img {
  width: min(220px, 56vw);
}

.ac-docpage .ac-topbar .ac-menu {
  justify-self: end;
  display: flex;
  flex-wrap: wrap;
}

.ac-docpage .ac-topbar .ac-menu a {
  border-color: #89b6c9;
  background: white;
}

.ac-doc {
  width: min(1060px, 100% - 2rem);
  margin: 1.2rem auto 2rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #8bb9cf;
  border-radius: 16px;
  padding: 1rem;
}

.ac-play-tips {
  margin: 0.8rem 0 0;
  padding-left: 1rem;
}

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

  .ac-rail {
    position: sticky;
    top: 0;
    z-index: 12;
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
  }

  .ac-rail-note {
    grid-column: 1 / -1;
    margin: 0;
  }

  .ac-menu-btn {
    display: inline-block;
    justify-self: end;
  }

  .ac-menu {
    grid-column: 1 / -1;
    display: none;
  }

  .ac-menu.ac-menu-open {
    display: grid;
  }

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

  .ac-docpage .ac-topbar {
    grid-template-columns: auto auto;
  }

  .ac-docpage .ac-topbar .ac-menu {
    grid-column: 1 / -1;
    display: none;
    justify-self: stretch;
    flex-direction: column;
  }

  .ac-docpage .ac-topbar .ac-menu.ac-menu-open {
    display: flex;
  }
}