.page-disclaimer {
  position: relative;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  padding: 40px 0 48px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 88% 0%, rgba(124, 92, 255, 0.22), transparent 62%),
    radial-gradient(70% 100% at 6% 100%, rgba(0, 229, 208, 0.12), transparent 60%),
    linear-gradient(180deg, var(--panel-2) 0%, var(--void) 100%);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-disclaimer .doc-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-disclaimer .doc-hero-copy {
  min-width: 0;
}

.page-disclaimer .breadcrumb {
  margin-bottom: 20px;
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-disclaimer .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line);
}

.page-disclaimer .breadcrumb-item a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .breadcrumb-item a:hover,
.page-disclaimer .breadcrumb-item a:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(42px, 11vw, 92px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-shadow: 0 0 48px rgba(124, 92, 255, 0.35);
}

.page-disclaimer .doc-hero-lead {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-disclaimer .doc-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-disclaimer .meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-disclaimer .meta-value {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-disclaimer .doc-hero-art {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-disclaimer .doc-hero-art::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 38px;
  height: 38px;
  background: var(--void);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-disclaimer .doc-hero-art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 正文与目录 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 40px;
}

.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .doc-aside {
  order: -1;
  min-width: 0;
}

.page-disclaimer .doc-aside .toc {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-disclaimer .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-disclaimer .toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .toc-link {
  display: block;
  padding: 5px 0 5px 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible,
.page-disclaimer .toc-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 14px;
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .rule-section {
  margin-bottom: 28px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .rule-card {
  position: relative;
  padding: 26px 20px 24px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, var(--panel) 0%, rgba(19, 34, 56, 0.55) 100%);
  transition: border-color 0.24s var(--ease);
}

.page-disclaimer .rule-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  background: var(--void);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-disclaimer .rule-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: linear-gradient(180deg, var(--violet), var(--cyan));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.3s var(--ease);
}

.page-disclaimer .rule-section:hover .rule-card,
.page-disclaimer .rule-card:focus-within {
  border-color: rgba(0, 229, 208, 0.36);
}

.page-disclaimer .rule-section:hover .rule-card::after,
.page-disclaimer .rule-card:focus-within::after {
  transform: scaleY(1);
}

.page-disclaimer .rule-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .rule-num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(0, 229, 208, 0.32);
}

.page-disclaimer #gift .rule-num {
  color: var(--amber);
  text-shadow: 0 0 26px rgba(255, 176, 32, 0.32);
}

.page-disclaimer #data .rule-num {
  color: var(--violet);
  text-shadow: 0 0 26px rgba(124, 92, 255, 0.34);
}

.page-disclaimer #content .rule-num {
  color: var(--magenta);
  text-shadow: 0 0 26px rgba(255, 61, 139, 0.3);
}

.page-disclaimer #change .rule-num {
  color: var(--wine);
  text-shadow: 0 0 26px rgba(179, 18, 60, 0.4);
}

.page-disclaimer .rule-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 26px);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .rule-intro {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .rule-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--line);
  transform: rotate(45deg);
  transition: background 0.24s var(--ease);
}

.page-disclaimer .rule-card:hover .rule-list li::before {
  background: var(--mist);
}

.page-disclaimer .rule-list strong {
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}

/* ---------- 就地折叠 ---------- */
.page-disclaimer .rule-fold {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-disclaimer .fold-summary {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  transition: color 0.2s var(--ease);
}

.page-disclaimer .fold-summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .fold-summary::before {
  content: "+";
  display: inline-block;
  margin-right: 8px;
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .rule-fold[open] .fold-summary::before {
  content: "−";
}

.page-disclaimer .fold-summary:hover,
.page-disclaimer .fold-summary:focus-visible {
  color: var(--ink);
}

.page-disclaimer .rule-fold-body p {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .rule-fold-body strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 底部纹理与延伸说明 ---------- */
.page-disclaimer .doc-texture {
  height: 64px;
  margin-top: 36px;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 28px),
    linear-gradient(90deg, transparent, rgba(0, 229, 208, 0.09), rgba(255, 61, 139, 0.06), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  opacity: 0.9;
}

.page-disclaimer .doc-more {
  margin-top: 12px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .more-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-disclaimer .more-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .more-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 20px 16px 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .more-list a:hover,
.page-disclaimer .more-list a:focus-visible {
  border-color: rgba(0, 229, 208, 0.45);
  background: var(--panel-2);
}

.page-disclaimer .more-idx {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-disclaimer .more-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-disclaimer .more-note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .more-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-disclaimer .rule-card {
    padding: 30px 32px 28px 34px;
  }

  .page-disclaimer .rule-list li {
    font-size: 15px;
  }

  .page-disclaimer .rule-intro {
    font-size: 15px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-hero {
    padding: 64px 0 72px;
  }

  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 56px;
  }

  .page-disclaimer .doc-hero-lead {
    font-size: 16px;
  }

  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 56px;
    padding-top: 64px;
  }

  .page-disclaimer .doc-aside {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-disclaimer .toc-list {
    flex-direction: column;
    gap: 2px;
  }

  .page-disclaimer .toc-link {
    padding: 7px 0 7px 12px;
  }

  .page-disclaimer .rule-section {
    margin-bottom: 36px;
  }

  .page-disclaimer .doc-texture {
    margin-top: 56px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 72px;
  }

  .page-disclaimer .rule-card {
    padding: 34px 40px 32px 38px;
  }

  .page-disclaimer .more-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-card::after,
  .page-disclaimer .rule-list li::before,
  .page-disclaimer .toc-link,
  .page-disclaimer .more-list a {
    transition: none;
  }

  .page-disclaimer .rule-card::after {
    transform: scaleY(1);
    opacity: 0.45;
  }
}