.page-disclaimer {
  --doc-gap: clamp(20px, 3vw, 32px);
  --doc-shift: clamp(0px, 3vw, 40px);
  --doc-bar: var(--gold);
  display: block;
  padding-block: clamp(20px, 4vw, 40px) clamp(80px, 9vw, 128px);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .02em;
}
.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-disclaimer .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--gold);
}
.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--muted);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 110% at 82% 0%, rgba(42, 75, 124, .55), transparent 62%),
    var(--panel);
}
.page-disclaimer .doc-hero-inner {
  position: relative;
  z-index: 2;
  padding: clamp(24px, 4vw, 52px) clamp(20px, 3.4vw, 44px);
}
.page-disclaimer .doc-hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(27px, 4.4vw, 46px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--white);
}
.page-disclaimer .doc-lead {
  max-width: 58ch;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  letter-spacing: .01em;
  color: rgba(243, 246, 251, .88);
}
.page-disclaimer .doc-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-disclaimer .doc-rule {
  display: block;
  width: 132px;
  height: 4px;
  margin-top: 22px;
  border-radius: 2px;
  background: linear-gradient(90deg,
    var(--blue) 0 20%,
    var(--white) 20% 40%,
    var(--red) 40% 60%,
    var(--green) 60% 80%,
    var(--gold) 80% 100%);
}
.page-disclaimer .doc-hero-media {
  margin: 0;
}
.page-disclaimer .doc-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 章节堆叠 */
.page-disclaimer .doc-stack {
  display: grid;
  gap: var(--doc-gap);
  margin-top: clamp(36px, 5vw, 64px);
}
.page-disclaimer .doc-section {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px) clamp(18px, 3vw, 34px) clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--doc-bar);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(31, 55, 96, .34), rgba(19, 36, 67, .92));
  scroll-margin-top: 96px;
}
.page-disclaimer .doc-section:nth-of-type(1) { --doc-bar: var(--gold); }
.page-disclaimer .doc-section:nth-of-type(2) { --doc-bar: var(--blue); }
.page-disclaimer .doc-section:nth-of-type(3) { --doc-bar: var(--green); }
.page-disclaimer .doc-section:nth-of-type(4) { --doc-bar: var(--red); }
.page-disclaimer .doc-section:nth-of-type(5) { --doc-bar: var(--gold); }
.page-disclaimer .doc-section:nth-of-type(even) {
  margin-inline-start: var(--doc-shift);
}

.page-disclaimer .doc-sec-head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.4vw, 16px);
  padding-right: 30px;
  position: relative;
  cursor: pointer;
  list-style: none;
}
.page-disclaimer .doc-sec-head::-webkit-details-marker {
  display: none;
}
.page-disclaimer .doc-sec-head::after {
  content: "";
  position: absolute;
  right: 4px;
  top: .5em;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .24s var(--ease);
}
.page-disclaimer .doc-section[open] > .doc-sec-head::after {
  transform: rotate(-135deg);
}
.page-disclaimer .doc-sec-num {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--doc-bar);
}
.page-disclaimer .doc-sec-title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-disclaimer .doc-body {
  padding-top: 14px;
}
.page-disclaimer .doc-body p {
  max-width: 68ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: rgba(243, 246, 251, .92);
}
.page-disclaimer .doc-body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .doc-body a {
  color: var(--blue);
  text-decoration-color: rgba(91, 141, 239, .45);
  text-underline-offset: 3px;
}
.page-disclaimer .doc-body a:hover {
  color: var(--gold);
  text-decoration-color: var(--gold);
}
.page-disclaimer .doc-points {
  display: grid;
  gap: 11px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .doc-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 246, 251, .9);
}
.page-disclaimer .doc-points li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .74em;
  width: 8px;
  height: 8px;
  background: var(--doc-bar);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* 署名示例带 */
.page-disclaimer .doc-cite {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 30px) clamp(18px, 3vw, 32px) clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(31, 55, 96, .3);
}
.page-disclaimer .doc-cite::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg,
    var(--blue) 0 20%,
    var(--white) 20% 40%,
    var(--red) 40% 60%,
    var(--green) 60% 80%,
    var(--gold) 80% 100%);
}
.page-disclaimer .doc-cite-label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--gold);
}
.page-disclaimer .doc-cite-code {
  margin: 0;
  padding: 16px 18px;
  border-radius: 8px;
  background: rgba(10, 20, 40, .6);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--white);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* 相关页面 */
.page-disclaimer .doc-more {
  margin-top: clamp(44px, 6vw, 80px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}
.page-disclaimer .doc-more-title {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}
.page-disclaimer .doc-more-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .doc-more-list a {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 246, 251, .9);
  text-decoration: none;
  background: rgba(19, 36, 67, .6);
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.page-disclaimer .doc-more-list a:hover {
  border-color: var(--blue);
  color: var(--white);
  transform: translateX(2px);
}
.page-disclaimer .doc-more-list a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* 浮动操作 */
.page-disclaimer .doc-dock {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}
.page-disclaimer .doc-dock .btn {
  font-size: 13px;
  padding: 9px 15px;
}

@media (min-width: 768px) {
  .page-disclaimer .doc-more-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .page-disclaimer .doc-cite-code {
    font-size: 14px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero {
    display: flex;
    align-items: stretch;
    min-height: 372px;
  }
  .page-disclaimer .doc-hero-inner {
    max-width: 60%;
    padding-right: 0;
  }
  .page-disclaimer .doc-hero-media {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    width: 48%;
  }
  .page-disclaimer .doc-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .page-disclaimer .doc-hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
      rgba(19, 36, 67, 1) 0%,
      rgba(19, 36, 67, .62) 34%,
      rgba(19, 36, 67, 0) 78%);
  }
  .page-disclaimer .doc-section {
    padding-right: clamp(28px, 4vw, 46px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-sec-head::after,
  .page-disclaimer .doc-more-list a {
    transition: none;
  }
  .page-disclaimer .doc-more-list a:hover {
    transform: none;
  }
}
<<<END>>>