.page-disclaimer {
  --dc-line: rgba(53, 230, 224, 0.25);
  position: relative;
  padding-bottom: clamp(56px, 8vw, 104px);
  color: var(--mist);
  background:
    radial-gradient(1100px 460px at 84% -6%, rgba(53, 230, 224, 0.13), transparent 64%),
    radial-gradient(820px 420px at 4% 2%, rgba(242, 184, 75, 0.09), transparent 62%),
    linear-gradient(180deg, #05121f 0%, #071a2a 46%, #05121f 100%);
}

/* ---------- 面包屑与首屏 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: 26px;
  font-size: 13px;
  color: var(--fog);
}

.page-disclaimer .breadcrumb a {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

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

.page-disclaimer .doc-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 42px);
  padding-bottom: 28px;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(53, 230, 224, 0.5), rgba(53, 230, 224, 0) 72%);
}

.page-disclaimer .doc-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-disclaimer .doc-hero h1 {
  margin: 0 0 18px;
  max-width: 24ch;
  font-size: clamp(30px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--mist);
  text-shadow: 0 0 18px rgba(53, 230, 224, 0.3);
}

.page-disclaimer .doc-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(234, 242, 247, 0.82);
}

.page-disclaimer .doc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .jump-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-disclaimer .jump-chip .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-disclaimer .jump-chip:hover,
.page-disclaimer .jump-chip:focus-visible {
  background: rgba(53, 230, 224, 0.14);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 页眉氛围图 ---------- */
.page-disclaimer .doc-strip {
  position: relative;
  margin: 30px 0 0;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .doc-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 420;
  object-fit: cover;
}

.page-disclaimer .doc-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 18, 31, 0.08), rgba(5, 18, 31, 0.66));
}

/* ---------- 条款区 + 索引刻度栏 ---------- */
.page-disclaimer .doc-grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(34px, 5vw, 58px);
}

.page-disclaimer .doc-index {
  display: none;
}

.page-disclaimer .clause {
  --clause-accent: var(--cyan);
  position: relative;
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(11, 42, 69, 0.78), rgba(5, 18, 31, 0.62));
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-disclaimer .clause[data-tone="gold"] {
  --clause-accent: var(--gold);
}

.page-disclaimer .clause[data-tone="wine"] {
  --clause-accent: #e2719f;
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--clause-accent), rgba(53, 230, 224, 0.05));
  opacity: 0.55;
  transition: opacity 0.28s var(--ease), top 0.28s var(--ease), bottom 0.28s var(--ease);
}

.page-disclaimer .clause:hover {
  border-color: var(--dc-line);
  transform: translateY(-3px);
}

.page-disclaimer .clause:hover::before,
.page-disclaimer .clause[open]::before {
  opacity: 1;
  top: 14px;
  bottom: 14px;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-disclaimer .clause-head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-head::marker {
  content: "";
}

.page-disclaimer .clause-tag {
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(242, 184, 75, 0.38);
  background: rgba(242, 184, 75, 0.07);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-disclaimer .clause-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-disclaimer .clause-cue {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.28s var(--ease);
}

.page-disclaimer .clause[open] .clause-cue {
  transform: rotate(225deg) translate(-1px, -1px);
}

.page-disclaimer .clause-body {
  padding: 0 22px 24px;
}

.page-disclaimer .clause-body > * + * {
  margin-top: 14px;
}

.page-disclaimer .clause-body p {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(234, 242, 247, 0.82);
}

.page-disclaimer .clause-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 224, 0.35);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-disclaimer .clause-body a:hover {
  color: var(--mist);
  border-color: var(--mist);
}

.page-disclaimer .fact-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .fact-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(234, 242, 247, 0.8);
}

.page-disclaimer .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .fact-key {
  margin-right: 6px;
  color: var(--mist);
  font-weight: 600;
}

.page-disclaimer .usage-note {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-line);
  background: var(--glass);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(234, 242, 247, 0.82);
}

.page-disclaimer .usage-note .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* 索引刻度栏 */
.page-disclaimer .doc-index-inner {
  position: relative;
  padding-left: 20px;
}

.page-disclaimer .doc-index-inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(53, 230, 224, 0.7), rgba(53, 230, 224, 0.12) 68%, rgba(53, 230, 224, 0));
}

.page-disclaimer .doc-index-inner::after {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 11px;
  pointer-events: none;
  background-image: repeating-linear-gradient(to bottom, rgba(159, 182, 198, 0.45) 0 1px, transparent 1px 16px);
}

.page-disclaimer .doc-index-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-disclaimer .index-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .index-list li + li {
  border-top: 1px solid rgba(159, 182, 198, 0.1);
}

.page-disclaimer .index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

.page-disclaimer .index-list .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  transition: color 0.24s var(--ease);
}

.page-disclaimer .index-list a:hover,
.page-disclaimer .index-list a:focus-visible {
  color: var(--mist);
  padding-left: 6px;
}

.page-disclaimer .index-list a:hover .num,
.page-disclaimer .index-list a:focus-visible .num {
  color: var(--cyan);
}

.page-disclaimer .doc-index-foot {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(159, 182, 198, 0.7);
}

/* ---------- 收尾 ---------- */
.page-disclaimer .doc-outro {
  position: relative;
  margin-top: clamp(46px, 7vw, 80px);
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(620px 260px at 88% 0%, rgba(53, 230, 224, 0.16), transparent 70%),
    linear-gradient(150deg, rgba(30, 42, 107, 0.72), rgba(8, 51, 58, 0.62));
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .doc-outro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(242, 184, 75, 0.85));
}

.page-disclaimer .outro-title {
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-disclaimer .doc-outro p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(234, 242, 247, 0.8);
}

.page-disclaimer .outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .fact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 26px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .doc-grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 64px;
    align-items: start;
  }

  .page-disclaimer .doc-index {
    display: block;
  }

  .page-disclaimer .doc-index-inner {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .clause-body {
    padding: 0 30px 28px;
  }

  .page-disclaimer .clause-head {
    padding: 21px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .clause::before,
  .page-disclaimer .clause-cue,
  .page-disclaimer .jump-chip,
  .page-disclaimer .index-list a {
    transition: none;
  }

  .page-disclaimer .clause:hover {
    transform: none;
  }
}