.page-disclaimer {
  --disc-rule: rgba(198, 207, 202, 0.20);
  --disc-rule-2: rgba(198, 207, 202, 0.45);
  position: relative;
  padding-bottom: 72px;
  background: linear-gradient(180deg, rgba(18, 59, 46, 0.34) 0%, rgba(10, 15, 12, 0) 440px);
}

.page-disclaimer .crumbs {
  padding-top: 28px;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.14em;
}

.page-disclaimer .crumbs a {
  color: var(--silver);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

.page-disclaimer .crumbs [aria-current="page"] {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 56px;
  overflow: hidden;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -220px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(18, 59, 46, 0.92) 0%, rgba(18, 59, 46, 0) 70%);
  pointer-events: none;
}

.page-disclaimer .disc-hero__text {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-disclaimer .disc-hero__kicker {
  font-size: var(--t-12);
  letter-spacing: 0.28em;
  color: var(--ice);
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(44px, 8.5vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--t-18);
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .disc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-disclaimer .disc-hero__fig {
  position: relative;
  z-index: 1;
  margin: 0;
}

.page-disclaimer .disc-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 80px;
  }
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .disc-index {
  border-top: 1px solid var(--disc-rule);
  border-bottom: 1px solid var(--disc-rule);
  background: rgba(27, 36, 32, 0.55);
}

.page-disclaimer .disc-index__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 28px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-disclaimer .disc-index__label {
  font-size: var(--t-12);
  letter-spacing: 0.28em;
  color: var(--ice);
}

.page-disclaimer .disc-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  color: var(--silver);
  font-size: var(--t-14);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-disclaimer .disc-index__list .mono {
  font-size: var(--t-12);
  color: var(--orange);
}

/* ---------- 正文区块 ---------- */
.page-disclaimer .disc-body {
  padding-top: 16px;
  padding-bottom: 32px;
}

.page-disclaimer .disc-sec {
  position: relative;
  padding: 44px 0 40px;
  scroll-margin-top: 72px;
}

.page-disclaimer .disc-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 168px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange) 0%, rgba(255, 106, 19, 0) 100%);
  transform: rotate(-10deg);
  transform-origin: left center;
}

.page-disclaimer .disc-sec__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 88px);
  line-height: 0.85;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-disclaimer .disc-sec__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 68ch;
}

.page-disclaimer .disc-sec__title {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-sec__body p {
  margin: 0;
  font-size: var(--t-18);
  line-height: 1.8;
  color: var(--silver);
}

.page-disclaimer .disc-sec__body a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.18s ease;
}

.page-disclaimer .disc-sec__body a:hover,
.page-disclaimer .disc-sec__body a:focus-visible {
  color: var(--orange);
}

.page-disclaimer .disc-sec__body p.disc-key {
  border-left: 3px solid var(--orange);
  padding-left: 18px;
  color: var(--paper);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-sec {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: start;
    gap: 0 40px;
    padding: 60px 0 56px;
  }

  .page-disclaimer .disc-sec__num {
    margin-bottom: 0;
    margin-top: -8px;
  }
}

/* ---------- 按钮行 ---------- */
.page-disclaimer .disc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ---------- 折叠条款 ---------- */
.page-disclaimer .disc-fold {
  margin-top: 6px;
  border: 1px solid var(--disc-rule);
  background: rgba(27, 36, 32, 0.72);
}

.page-disclaimer .disc-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--t-14);
  font-weight: 600;
  color: var(--paper);
  transition: background 0.18s ease;
}

.page-disclaimer .disc-fold__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-fold__summary:hover,
.page-disclaimer .disc-fold__summary:focus-visible {
  background: rgba(255, 106, 19, 0.09);
}

.page-disclaimer .disc-fold__icon {
  flex: none;
  font-size: var(--t-18);
  line-height: 1;
  color: var(--orange);
  transition: transform 0.2s ease;
}

.page-disclaimer .disc-fold[open] .disc-fold__icon {
  transform: rotate(45deg);
}

.page-disclaimer .disc-fold__body {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--silver);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--ice);
}

.page-disclaimer .disc-strong {
  color: var(--orange);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 结尾 ---------- */
.page-disclaimer .disc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--disc-rule-2);
}

.page-disclaimer .disc-foot__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--sunk);
}

.page-disclaimer .disc-foot__text a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.page-disclaimer .disc-foot__text a:hover,
.page-disclaimer .disc-foot__text a:focus-visible {
  color: var(--orange);
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .disc-top {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--disc-rule-2);
  background: rgba(10, 15, 12, 0.92);
  color: var(--silver);
  font-size: var(--t-12);
  letter-spacing: 0.22em;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .disc-top:hover,
.page-disclaimer .disc-top:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

@media (max-width: 599px) {
  .page-disclaimer {
    padding-bottom: 56px;
  }

  .page-disclaimer .disc-sec {
    padding: 36px 0 32px;
  }

  .page-disclaimer .disc-sec__body p {
    font-size: 16px;
  }

  .page-disclaimer .disc-top {
    left: 12px;
    bottom: 12px;
    padding: 9px 12px;
    letter-spacing: 0.16em;
  }
}