.page-disclaimer {
  --doc-rule: rgba(30, 68, 98, .85);
  --doc-text: rgba(233, 242, 249, .78);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(760px, 92vh);
  background:
    radial-gradient(120% 82% at 10% -4%, rgba(43, 232, 198, .12), transparent 62%),
    radial-gradient(92% 72% at 92% 10%, rgba(255, 138, 61, .11), transparent 64%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(43, 232, 198, .07) 0 1px, transparent 1px 92px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 68%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .doc-hero,
.page-disclaimer .doc-body {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .doc-hero {
  padding-top: clamp(20px, 5vw, 48px);
}

.page-disclaimer .doc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-disclaimer .doc-hero-head h1 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-disclaimer .doc-hero-head .lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
  color: var(--doc-text);
}

.page-disclaimer .doc-hero-side {
  border-left: 1px solid var(--line);
  padding-left: 16px;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-side-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .doc-side-line {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-disclaimer .doc-side-line a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 198, .45);
}

.page-disclaimer .doc-side-line a:hover,
.page-disclaimer .doc-side-line a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-banner {
  margin: clamp(26px, 5vw, 44px) 0 0;
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.page-disclaimer .doc-banner .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .doc-toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .doc-toc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(13, 42, 66, .55);
  color: var(--mist);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-disclaimer .doc-toc-item:hover,
.page-disclaimer .doc-toc-item:focus-visible {
  border-color: rgba(43, 232, 198, .7);
  color: var(--cyan);
  transform: translateX(3px);
}

.page-disclaimer .doc-toc-num {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-disclaimer .doc-toc-label {
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- 条款列表 ---------- */

.page-disclaimer .doc-list {
  list-style: none;
  margin: clamp(30px, 6vw, 56px) 0 0;
  padding: 0;
  display: grid;
}

.page-disclaimer .doc-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: clamp(24px, 4vw, 36px) 0;
  border-top: 1px solid var(--doc-rule);
  scroll-margin-top: calc(var(--header-space) + 24px);
}

.page-disclaimer .doc-item:last-child {
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-num {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-disclaimer .doc-num::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-disclaimer .doc-content h3 {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.5vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-disclaimer .doc-content p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--doc-text);
}

.page-disclaimer .doc-content p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 198, .4);
}

.page-disclaimer .doc-content a:hover,
.page-disclaimer .doc-content a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-related {
  font-size: 14px;
  color: var(--slate);
}

/* ---------- 强调与折叠 ---------- */

.page-disclaimer .doc-callout {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(43, 232, 198, .1), rgba(43, 232, 198, 0));
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .doc-callout--orange {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 138, 61, .13), rgba(255, 138, 61, 0));
}

.page-disclaimer .doc-details {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(13, 42, 66, .55);
  overflow: hidden;
}

.page-disclaimer .doc-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .doc-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .doc-details[open] summary::after {
  content: "–";
}

.page-disclaimer .doc-steps {
  margin: 0;
  padding: 0 20px 18px 38px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--doc-text);
}

.page-disclaimer .doc-steps li::marker {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---------- 结尾行动 ---------- */

.page-disclaimer .doc-outro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(32px, 6vw, 56px);
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(24, 64, 95, .62), rgba(13, 42, 66, .34));
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .doc-outro h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-disclaimer .doc-outro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--doc-text);
}

.page-disclaimer .doc-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 回到顶部 ---------- */

.page-disclaimer .doc-toplink {
  position: fixed;
  right: clamp(12px, 3vw, 22px);
  bottom: 84px;
  z-index: 6;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(6, 24, 41, .88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease;
}

.page-disclaimer .doc-toplink:hover,
.page-disclaimer .doc-toplink:focus-visible {
  border-color: rgba(43, 232, 198, .7);
  color: var(--cyan);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .doc-toc {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-disclaimer .doc-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .doc-toc {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .doc-outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-disclaimer .doc-outro-actions {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc-item,
  .page-disclaimer .doc-toplink {
    transition: none;
  }

  .page-disclaimer .doc-toc-item:hover,
  .page-disclaimer .doc-toc-item:focus-visible {
    transform: none;
  }
}