.page-disclaimer {
  --doc-line: rgba(14, 18, 16, .14);
  --doc-ink-soft: rgba(14, 18, 16, .76);
  --doc-gap: clamp(20px, 3vw, 34px);
  padding-block: clamp(24px, 4vw, 48px) clamp(64px, 9vw, 120px);
  background:
    radial-gradient(circle at 84% -8%, rgba(198, 255, 61, .1), transparent 44%),
    radial-gradient(circle at 2% 34%, rgba(184, 115, 51, .12), transparent 48%);
}

/* 首屏 */
.page-disclaimer .doc-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
  margin-bottom: clamp(32px, 5vw, 64px);
}

.page-disclaimer .doc-hero__title {
  margin: 10px 0 14px;
  font-size: clamp(52px, 15vw, 132px);
  letter-spacing: -.02em;
}

.page-disclaimer .doc-hero__ver {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
  border-left: 2px solid var(--copper);
  padding-left: 10px;
}

.page-disclaimer .doc-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--text-soft);
}

.page-disclaimer .doc-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

/* 主体两栏 */
.page-disclaimer .doc-body {
  display: block;
}

.page-disclaimer .doc-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-disclaimer .doc-toc__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--copper);
}

.page-disclaimer .doc-toc__list {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .doc-toc__list li {
  flex: 0 0 auto;
}

.page-disclaimer .doc-toc__list a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--text-soft);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: var(--ease);
}

.page-disclaimer .doc-toc__list a:hover,
.page-disclaimer .doc-toc__list a:focus-visible {
  color: var(--carbon);
  background: var(--lime);
  border-color: var(--lime);
}

/* 条款内容块 */
.page-disclaimer .doc-block {
  position: relative;
  background: var(--cream);
  color: var(--carbon);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  padding: clamp(22px, 3.6vw, 46px);
  margin-bottom: var(--doc-gap);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .doc-block__index {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--clay);
}

.page-disclaimer .doc-block h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-disclaimer .doc-block p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--doc-ink-soft);
}

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

.page-disclaimer .doc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 24px;
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1.75;
  color: var(--doc-ink-soft);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border: 2px solid var(--copper);
  transform: rotate(45deg);
}

.page-disclaimer .doc-list strong {
  color: var(--carbon);
  font-weight: 700;
}

.page-disclaimer .doc-hl {
  background: linear-gradient(180deg, transparent 58%, rgba(198, 255, 61, .72) 58%);
  color: var(--carbon);
  padding: 0 2px;
}

/* 折叠问答 */
.page-disclaimer .doc-fold {
  margin-top: 22px;
  border-top: 1px dashed var(--doc-line);
  padding-top: 16px;
}

.page-disclaimer .doc-fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--carbon);
}

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

.page-disclaimer .doc-fold summary::before {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--clay);
  font-size: 13px;
}

.page-disclaimer .doc-fold[open] summary::before {
  content: "－";
}

.page-disclaimer .doc-fold p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-ink-soft);
}

/* 全宽铜色分割线 */
.page-disclaimer .doc-divider {
  position: relative;
  height: 2px;
  margin: clamp(30px, 5vw, 56px) calc(-1 * var(--gut));
  background: linear-gradient(90deg, rgba(184, 115, 51, 0) 0%, var(--copper) 18%, var(--copper) 82%, rgba(184, 115, 51, 0) 100%);
}

.page-disclaimer .doc-divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 2px solid var(--copper);
  background: var(--carbon);
  transform: translate(-50%, -50%) rotate(45deg);
}

/* 联系方式 */
.page-disclaimer .doc-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--doc-line);
  border-radius: var(--radius);
  background: rgba(14, 18, 16, .04);
}

.page-disclaimer .doc-mail {
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.6vw, 15px);
  letter-spacing: .02em;
  color: var(--carbon);
  word-break: break-all;
}

.page-disclaimer .doc-copy {
  margin-left: auto;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
  background: var(--carbon);
  border: 1px solid var(--carbon);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--ease);
}

.page-disclaimer .doc-copy:hover,
.page-disclaimer .doc-copy:focus-visible {
  color: var(--carbon);
  background: var(--lime);
  border-color: var(--lime);
}

/* 收尾入口 */
.page-disclaimer .doc-outro {
  margin-top: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3.2vw, 34px);
  background: linear-gradient(180deg, var(--lime-soft), rgba(244, 241, 232, 0));
}

.page-disclaimer .doc-outro__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  color: var(--cream);
}

.page-disclaimer .doc-outro__text {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-disclaimer .doc-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-line);
  padding-bottom: 2px;
  transition: var(--ease);
}

.page-disclaimer .doc-link:hover,
.page-disclaimer .doc-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-disclaimer .doc-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero__text {
    padding-bottom: 8px;
  }

  .page-disclaimer .doc-contact {
    padding: 16px 20px;
  }
}

/* 桌面：左侧固定目录 + 右侧长文 */
@media (min-width: 1000px) {
  .page-disclaimer .doc-body {
    display: grid;
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
    align-items: start;
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 132px;
    margin-bottom: 0;
  }

  .page-disclaimer .doc-toc__list {
    flex-direction: column;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-toc__list a {
    display: block;
    white-space: normal;
  }

  .page-disclaimer .doc-divider {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc__list a,
  .page-disclaimer .doc-copy,
  .page-disclaimer .doc-link {
    transition: none;
  }
}