.page-privacy {
  background: var(--paper);
  color: var(--soot);
}

.page-privacy__wrap {
  padding-top: 1.75rem;
  padding-bottom: 4.5rem;
}

.page-privacy .yx-breadcrumb ol {
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-privacy__head {
  max-width: 60ch;
  margin-bottom: 2rem;
}

.page-privacy__head h1 {
  font-family: var(--sans);
  font-size: clamp(1.875rem, 6.2vw, 3.125rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0.5rem 0 1rem;
  color: var(--soot);
}

.page-privacy__lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  margin: 0;
  color: var(--soot);
}

/* --- 页首抽象图 --- */
.page-privacy__hero {
  margin: 0 0 1.5rem;
  background: var(--ink);
  border: var(--line);
  box-shadow: var(--hard);
  overflow: hidden;
}

.page-privacy__hero img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* --- 心跳分隔线 --- */
.page-privacy__pulse {
  color: var(--coral);
  margin: 0 0 2.25rem;
}

.page-privacy__pulse svg {
  display: block;
  width: 100%;
  height: 24px;
}

/* --- 主体：目录 + 长文 --- */
.page-privacy__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

.page-privacy__side {
  min-width: 0;
}

.page-privacy__side-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--soot);
}

.page-privacy__toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy__toc a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.625rem;
  padding: 0.5rem 0.625rem;
  color: var(--soot);
  font-size: 0.875rem;
  line-height: 1.45;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-privacy__toc a:hover,
.page-privacy__toc a:focus-visible {
  background: var(--paper-2);
  border-left-color: var(--coral);
  color: var(--coral-deep);
}

.page-privacy__toc a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
}

.page-privacy__toc-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--coral-deep);
}

/* --- 条款正文 --- */
.page-privacy__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.page-privacy__block {
  padding: 2rem 0;
  border-bottom: 1px solid var(--ivory);
}

.page-privacy__block:first-of-type {
  padding-top: 0;
}

.page-privacy__block-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.125rem;
}

.page-privacy__num {
  flex: none;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--coral-deep);
  border: 2px solid var(--coral-deep);
  padding: 0 0.375rem;
}

.page-privacy__h2 {
  font-family: var(--sans);
  font-size: clamp(1.25rem, 4vw, 1.625rem);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.22;
  margin: 0;
  color: var(--soot);
}

.page-privacy__block p {
  font-size: 1rem;
  line-height: 1.8;
  margin: 0 0 0.875rem;
  max-width: 68ch;
  color: var(--soot);
}

.page-privacy__block p:last-child {
  margin-bottom: 0;
}

.page-privacy__list {
  list-style: none;
  margin: 1.125rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-privacy__list li {
  padding-left: 0.875rem;
  border-left: 3px solid var(--coral);
}

.page-privacy__term {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--coral-deep);
  margin-bottom: 0.25rem;
}

.page-privacy__list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy__note {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--slate);
  border-top: 1px dashed var(--ivory);
  padding-top: 0.75rem;
  margin-top: 1.125rem;
  max-width: 68ch;
}

.page-privacy__note a {
  color: var(--coral-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy__note a:hover,
.page-privacy__note a:focus-visible {
  color: var(--soot);
  background: var(--coral);
  text-decoration: none;
}

.page-privacy__note a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
}

/* --- 联系信息表 --- */
.page-privacy__contact {
  margin: 1.125rem 0 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 2px solid var(--soot);
  max-width: 68ch;
}

.page-privacy__contact > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--ivory);
}

.page-privacy__contact dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-privacy__contact dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--soot);
  word-break: break-word;
}

.page-privacy__contact dd a {
  color: var(--soot);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy__contact dd a:hover,
.page-privacy__contact dd a:focus-visible {
  color: var(--coral-deep);
}

.page-privacy__contact dd a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
}

/* --- 返回顶部 --- */
.page-privacy__backtop {
  align-self: start;
  display: inline-flex;
  align-items: center;
  margin-top: 2.25rem;
  padding: 0.625rem 1.125rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--soot);
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--hard);
  text-decoration: none;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-privacy__backtop:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--soot);
  background: var(--coral);
}

.page-privacy__backtop:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

/* --- 桌面端：左侧章节坐标固定 --- */
@media (min-width: 900px) {
  .page-privacy__wrap {
    padding-top: 2.5rem;
    padding-bottom: 6rem;
  }

  .page-privacy__body {
    grid-template-columns: minmax(180px, 224px) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-privacy__side {
    position: sticky;
    top: 1.75rem;
  }

  .page-privacy__block {
    padding: 2.5rem 0;
  }

  .page-privacy__contact > div {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy__toc a,
  .page-privacy__backtop,
  .page-privacy__contact dd a {
    transition: none;
  }

  .page-privacy__backtop:hover {
    transform: none;
  }
}