.page-disclaimer {
  --dc-measure: 68ch;
  background: var(--paper);
  color: var(--text);
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 首屏窄框 ---------- */
.page-disclaimer .dc-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(24px, 4vw, 44px);
}

.page-disclaimer .dc-hero .sf-crumbs {
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-disclaimer .dc-hero__frame {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  clip-path: var(--cut-path);
  box-shadow: 0 24px 60px -40px rgba(10, 17, 31, 0.7);
}

.page-disclaimer .dc-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  opacity: 0.82;
}

.page-disclaimer .dc-hero__plate {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(16px, 3vw, 36px);
  background: linear-gradient(to top, rgba(10, 17, 31, 0.94), rgba(10, 17, 31, 0.05));
}

.page-disclaimer .dc-hero__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .dc-hero__title {
  margin: 0;
  color: var(--bone);
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-disclaimer .dc-hero__lede {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  color: var(--text);
}

/* ---------- 主体：目录 + 正文 ---------- */
.page-disclaimer .dc-body {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-disclaimer .dc-toc {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 0 0 16px;
  scrollbar-width: thin;
}

.page-disclaimer .dc-toc__key {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
}

.page-disclaimer .dc-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-toc__link {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border: 1px solid var(--rule);
  background: var(--bone);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  clip-path: var(--btn-cut);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
}

.page-disclaimer .dc-toc__link[data-active] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--neon);
}

.page-disclaimer .dc-doc {
  position: relative;
}

/* ---------- 章节 ---------- */
.page-disclaimer .dc-sec {
  padding-top: clamp(22px, 3.5vw, 34px);
}

.page-disclaimer .dc-sec + .dc-sec {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-disclaimer .dc-sec + .dc-sec::before {
  content: "";
  display: block;
  width: 92px;
  height: 1px;
  margin-bottom: clamp(22px, 3vw, 32px);
  background: var(--rule);
}

.page-disclaimer .dc-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.page-disclaimer .dc-sec__num {
  position: relative;
  flex: none;
  padding-left: 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-disclaimer .dc-sec__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.34em;
  width: 9px;
  height: 9px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 58% 100%, 0 100%);
}

.page-disclaimer .dc-sec p {
  max-width: var(--dc-measure);
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .dc-sec p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-sec a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-decoration-color: rgba(138, 106, 34, 0.4);
  text-underline-offset: 3px;
}

.page-disclaimer .dc-sec a:hover,
.page-disclaimer .dc-sec a:focus-visible {
  color: var(--ink);
  text-decoration-color: var(--gold);
}

/* ---------- 列表 ---------- */
.page-disclaimer .dc-list {
  max-width: var(--dc-measure);
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: 8px;
  height: 1px;
  background: var(--gold-deep);
}

.page-disclaimer .dc-list--mark li::before {
  width: 6px;
  height: 6px;
  top: 1em;
  background: var(--live);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 58% 100%, 0 100%);
}

.page-disclaimer .dc-list strong {
  font-weight: 800;
}

/* ---------- 深底提示块 ---------- */
.page-disclaimer .dc-note {
  position: relative;
  max-width: var(--dc-measure);
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink);
  color: var(--bone);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-disclaimer .dc-note p {
  max-width: none;
  margin: 0;
  color: var(--bone);
  font-size: 15px;
}

.page-disclaimer .dc-note strong {
  color: var(--neon);
  font-weight: 800;
}

/* ---------- 折叠区 ---------- */
.page-disclaimer .dc-acc {
  max-width: var(--dc-measure);
  margin-top: clamp(16px, 2.5vw, 24px);
  border-top: 1px solid var(--rule);
}

.page-disclaimer .dc-acc__item {
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .dc-acc__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border: 0;
  background: none;
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.page-disclaimer .dc-acc__trigger:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

.page-disclaimer .dc-acc__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--gold-deep);
  clip-path: var(--btn-cut);
}

.page-disclaimer .dc-acc__icon::before,
.page-disclaimer .dc-acc__icon::after {
  content: "";
  position: absolute;
  background: var(--gold-deep);
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}

.page-disclaimer .dc-acc__icon::before {
  left: 3px;
  right: 3px;
  top: 7px;
  height: 1px;
}

.page-disclaimer .dc-acc__icon::after {
  top: 3px;
  bottom: 3px;
  left: 7px;
  width: 1px;
}

.page-disclaimer .dc-acc__trigger[aria-expanded="true"] .dc-acc__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-disclaimer .dc-acc__panel {
  padding: 0 0 18px;
}

.page-disclaimer .dc-acc__panel p {
  max-width: 60ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #3c3c3c;
}

.page-disclaimer .dc-acc__trigger[aria-expanded="false"] + .dc-acc__panel {
  display: none;
}

/* ---------- 联系条目 ---------- */
.page-disclaimer .dc-contact {
  max-width: var(--dc-measure);
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-disclaimer .dc-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.7;
}

.page-disclaimer .dc-contact__key {
  flex: none;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
  align-self: center;
}

.page-disclaimer .dc-contact a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-disclaimer .dc-contact a:hover,
.page-disclaimer .dc-contact a:focus-visible {
  color: var(--gold-deep);
  border-bottom-color: var(--gold-deep);
}

/* ---------- 过渡 ---------- */
.page-disclaimer .dc-hero__frame,
.page-disclaimer .dc-note,
.page-disclaimer .dc-toc__link,
.page-disclaimer .dc-acc__icon,
.page-disclaimer .dc-acc__icon::before,
.page-disclaimer .dc-acc__icon::after {
  transition-timing-function: var(--ease);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .dc-hero__lede {
    max-width: 58ch;
    font-size: 18px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dc-body {
    display: grid;
    grid-template-columns: 242px minmax(0, 1fr);
    gap: 0 clamp(32px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: 112px;
    flex-direction: column;
    gap: 14px;
    overflow: visible;
    padding: 6px 0 24px;
  }

  .page-disclaimer .dc-toc__key {
    display: block;
  }

  .page-disclaimer .dc-toc__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-disclaimer .dc-toc__link {
    padding: 8px 0 8px 14px;
    border: 0;
    border-left: 2px solid var(--rule);
    background: none;
    clip-path: none;
    font-size: 14px;
    color: #4d4d4d;
  }

  .page-disclaimer .dc-toc__link:hover,
  .page-disclaimer .dc-toc__link:focus-visible {
    border-left-color: var(--gold);
    color: var(--text);
  }

  .page-disclaimer .dc-toc__link[data-active] {
    background: none;
    border-left-color: var(--gold);
    color: var(--ink);
    font-weight: 700;
  }

  .page-disclaimer .dc-doc {
    padding-left: 40px;
  }

  .page-disclaimer .dc-doc::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(to bottom, var(--gold), rgba(228, 180, 76, 0.24) 62%, rgba(228, 180, 76, 0));
  }

  .page-disclaimer .dc-sec p,
  .page-disclaimer .dc-list,
  .page-disclaimer .dc-note,
  .page-disclaimer .dc-acc,
  .page-disclaimer .dc-contact {
    max-width: 66ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__link,
  .page-disclaimer .dc-acc__icon::before,
  .page-disclaimer .dc-acc__icon::after {
    transition: none;
  }
}