/* ===== 使用说明 / 条款式收尾页 ===== */
.page-disclaimer {
  --doc-measure: 720px;
  --doc-rail: 208px;
  background: var(--c-ink);
  color: var(--c-text);
  padding-bottom: 72px;
  overflow-x: clip;
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* --- 页首横带 --- */
.page-disclaimer .doc-hero {
  position: relative;
  background: var(--c-mid);
  border-bottom: 1px solid var(--c-scale);
}
.page-disclaimer .doc-hero img {
  display: block;
  width: 100%;
  height: clamp(120px, 22vw, 340px);
  object-fit: cover;
}
.page-disclaimer .doc-hero-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding: 12px var(--gutter);
  border-top: 1px solid var(--c-scale);
  background: linear-gradient(90deg, rgba(240, 160, 60, 0.12), rgba(47, 216, 198, 0.08) 52%, rgba(7, 15, 28, 0) 100%);
}
.page-disclaimer .doc-hero-tag {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  border: 1px solid rgba(240, 160, 60, 0.5);
  padding: 3px 8px;
  line-height: 1.4;
}
.page-disclaimer .doc-hero-meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-dim);
}

/* --- 头部 --- */
.page-disclaimer .doc-shell {
  padding-top: 22px;
}
.page-disclaimer .doc-head {
  max-width: 760px;
  padding: 6px 0 30px;
}
.page-disclaimer .doc-head h1 {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(29px, 6.4vw, 50px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 8px 0 14px;
  color: var(--c-text);
}
.page-disclaimer .doc-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-dim);
  margin: 0 0 14px;
}
.page-disclaimer .doc-meta {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--c-scale);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-scale);
  filter: brightness(1.9);
}

/* --- 版式骨架 --- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  border-top: 1px solid var(--c-scale);
  padding-top: 26px;
}

/* --- 条款目录（移动端为横向轨道） --- */
.page-disclaimer .doc-rail {
  border-bottom: 1px solid var(--c-scale);
  padding-bottom: 14px;
}
.page-disclaimer .doc-rail-title {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-dim);
  margin: 0 0 10px;
}
.page-disclaimer .doc-rail-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-disclaimer .doc-rail-list li {
  flex: 0 0 auto;
}
.page-disclaimer .rail-link {
  display: block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--c-dim);
  text-decoration: none;
  border: 1px solid var(--c-scale);
  padding: 7px 12px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-disclaimer .rail-link:hover {
  color: var(--c-text);
  border-color: var(--c-cyan);
}
.page-disclaimer .rail-link.is-current {
  color: var(--c-mid);
  background: var(--c-gold);
  border-color: var(--c-gold);
}
.page-disclaimer .doc-rail-note {
  display: none;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--c-dim);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-scale);
}

/* --- 正文列 --- */
.page-disclaimer .doc-body {
  max-width: var(--doc-measure);
}

/* --- 条款 --- */
.page-disclaimer .clause {
  padding: 30px 0 8px;
  border-top: 1px solid var(--c-scale);
  scroll-margin-top: 130px;
}
.page-disclaimer .clause:first-child {
  border-top: 0;
  padding-top: 2px;
}
.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.page-disclaimer .clause-num {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--c-gold);
  border: 1px solid rgba(240, 160, 60, 0.45);
  padding: 2px 7px;
}
.page-disclaimer .clause-title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.28;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--c-text);
}
.page-disclaimer .clause p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
  margin: 0 0 14px;
}
.page-disclaimer .clause p a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-disclaimer .clause-sub {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-text);
  margin: 22px 0 8px;
  padding-left: 10px;
  border-left: 2px solid var(--c-scale);
}

/* --- 条款条目 --- */
.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-disclaimer .clause-list li {
  padding: 12px 15px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--c-text);
  background: linear-gradient(180deg, rgba(18, 48, 51, 0.72), rgba(18, 48, 51, 0.4));
  border: 1px solid rgba(42, 71, 80, 0.9);
  border-left: 3px solid var(--accent, var(--c-scale));
}
.page-disclaimer .clause-list li strong {
  color: var(--c-text);
  font-weight: 700;
}
.page-disclaimer .clause-list li.accent-gold { --accent: var(--c-gold); }
.page-disclaimer .clause-list li.accent-cyan { --accent: var(--c-cyan); }
.page-disclaimer .clause-list li.accent-green { --accent: var(--c-green); }
.page-disclaimer .clause-list li.accent-violet { --accent: var(--c-violet); }
.page-disclaimer .clause-list li.accent-red { --accent: var(--c-red); }

/* --- 对照表 --- */
.page-disclaimer .compare-cap {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-gold);
  margin: 0 0 8px;
}
.page-disclaimer .compare-wrap {
  margin: 0 0 20px;
  border: 1px solid var(--c-scale);
  background: rgba(18, 48, 51, 0.45);
  overflow-x: auto;
}
.page-disclaimer table.compare {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-disclaimer table.compare th,
.page-disclaimer table.compare td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--c-scale);
}
.page-disclaimer table.compare thead th {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--c-dim);
  background: rgba(7, 15, 28, 0.65);
  white-space: nowrap;
}
.page-disclaimer table.compare tbody th {
  font-weight: 700;
  color: var(--c-text);
  white-space: nowrap;
}
.page-disclaimer table.compare tbody tr:last-child th,
.page-disclaimer table.compare tbody tr:last-child td {
  border-bottom: 0;
}
.page-disclaimer .mark {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.page-disclaimer .mark--yes { color: var(--c-green); }
.page-disclaimer .mark--no { color: var(--c-red); }
.page-disclaimer .mark--mid { color: var(--c-gold); }

/* --- 修订色带 --- */
.page-disclaimer .rev-band {
  position: relative;
  margin: 4px 0 20px;
  padding: 16px 18px 16px 22px;
  background: linear-gradient(90deg, rgba(240, 160, 60, 0.16), rgba(240, 160, 60, 0.02) 92%);
  border-top: 2px solid var(--c-gold);
  border-bottom: 1px solid rgba(240, 160, 60, 0.26);
}
.page-disclaimer .rev-band::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-gold);
}
.page-disclaimer .rev-band p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--c-text);
}

/* --- 折叠面板 --- */
.page-disclaimer .doc-fold {
  margin: 4px 0 18px;
  border: 1px solid var(--c-scale);
  background: rgba(16, 30, 54, 0.55);
}
.page-disclaimer .doc-fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--c-gold-soft);
}
.page-disclaimer .doc-fold summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .doc-fold summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 12px;
  font-size: 14px;
  color: var(--c-gold);
}
.page-disclaimer .doc-fold[open] summary::before {
  content: "−";
}
.page-disclaimer .doc-fold summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}
.page-disclaimer .doc-fold-body {
  padding: 2px 18px 18px;
  border-top: 1px solid var(--c-scale);
}
.page-disclaimer .fold-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-disclaimer .fold-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-dim);
}
.page-disclaimer .fold-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--c-violet);
  transform: rotate(45deg);
}

/* --- 反馈信息面板 --- */
.page-disclaimer .fb-panel {
  display: grid;
  gap: 1px;
  margin: 4px 0 18px;
  background: var(--c-scale);
  border: 1px solid var(--c-scale);
}
.page-disclaimer .fb-row {
  background: var(--c-ink);
  padding: 13px 16px;
  display: grid;
  gap: 4px;
}
.page-disclaimer .fb-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-dim);
}
.page-disclaimer .fb-value {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-text);
  overflow-wrap: anywhere;
}
.page-disclaimer .fb-value.is-mono {
  font-family: var(--f-mono);
  letter-spacing: 0.02em;
}

/* --- 收尾 --- */
.page-disclaimer .doc-exit {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--c-scale);
}
.page-disclaimer .doc-exit-line {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 300;
  line-height: 1.4;
  color: var(--c-dim);
}
.page-disclaimer .doc-exit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

/* --- 返回顶部 --- */
.page-disclaimer .to-top {
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: 40;
  padding: 9px 13px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-text);
  text-decoration: none;
  background: rgba(11, 43, 38, 0.9);
  border: 1px solid var(--c-scale);
  backdrop-filter: blur(6px);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-disclaimer .to-top:hover {
  color: var(--c-gold-soft);
  border-color: var(--c-gold);
}

/* --- 宽屏 --- */
@media (min-width: 960px) {
  .page-disclaimer {
    padding-bottom: 96px;
  }
  .page-disclaimer .doc-shell {
    padding-top: 30px;
  }
  .page-disclaimer .doc-layout {
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    gap: 0 56px;
    padding-top: 34px;
  }
  .page-disclaimer .doc-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 22px);
    align-self: start;
    border-bottom: 0;
    border-right: 1px solid var(--c-scale);
    padding: 4px 22px 20px 0;
  }
  .page-disclaimer .doc-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }
  .page-disclaimer .rail-link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 10px;
    white-space: normal;
    line-height: 1.5;
  }
  .page-disclaimer .rail-link.is-current {
    background: transparent;
    color: var(--c-gold-soft);
    border-left-color: var(--c-gold);
  }
  .page-disclaimer .doc-rail-note {
    display: block;
  }
  .page-disclaimer .fb-row {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }
  .page-disclaimer .doc-exit {
    margin-top: 44px;
  }
}

/* --- 中等宽度下反馈面板标签更紧凑 --- */
@media (min-width: 620px) and (max-width: 959px) {
  .page-disclaimer .fb-row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rail-link,
  .page-disclaimer .to-top {
    transition: none;
  }
}