.page-privacy {
  --pv-clause-pad: clamp(1.375rem, 3.6vw, 2.75rem);
  --pv-aside: 11rem;
  --pv-block-gap: clamp(0.875rem, 2vw, 1.25rem);
  --pv-edge: rgba(23, 38, 60, 0.42);
  background: var(--ink);
  color: var(--body-text);
  padding-bottom: clamp(4rem, 10vw, 8rem);
}

/* ── 面包屑 ───────────────────────────────── */
.page-privacy .privacy-crumbs {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.page-privacy .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--shift);
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(201, 216, 230, 0.32);
}

.page-privacy .breadcrumbs [aria-current="page"] {
  color: var(--white);
}

/* ── 页首 ───────────────────────────────── */
.page-privacy .privacy-hero {
  padding-top: clamp(1.25rem, 3vw, 2.25rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

.page-privacy .privacy-hero__panel {
  position: relative;
  z-index: 1;
  margin: -3.25rem clamp(0px, 2.5vw, 2.5rem) 0 clamp(0px, 2.5vw, 5rem);
  padding: var(--pv-clause-pad);
  border-radius: var(--radius);
}

.page-privacy .privacy-hero__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--body-text);
}

.page-privacy .privacy-hero__note {
  margin: 1.25rem 0 0;
  padding-top: 0.875rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ── 主体布局 ───────────────────────────── */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

/* ── 条款目录 ───────────────────────────── */
.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-index__list {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  border-left: 1px solid var(--line-soft);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.625rem;
  align-items: baseline;
  margin-left: -1px;
  padding: 0.5rem 0.25rem 0.5rem 0.8125rem;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--shift), border-color var(--shift);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--steel, var(--muted));
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--white);
  border-left-color: var(--cyan);
}

.page-privacy .privacy-index__link:hover .privacy-index__num,
.page-privacy .privacy-index__link:focus-visible .privacy-index__num {
  color: var(--cyan);
}

/* ── 条款块 ─────────────────────────────── */
.page-privacy .privacy-content {
  display: flex;
  flex-direction: column;
  gap: var(--pv-block-gap);
  min-width: 0;
}

.page-privacy .privacy-clause {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: var(--pv-clause-pad);
  scroll-margin-top: calc(var(--header-h) + 2rem);
  transition: border-color var(--shift), box-shadow var(--shift);
}

.page-privacy .privacy-clause:target {
  border-color: var(--cyan-soft);
  box-shadow: inset 3px 0 0 var(--cyan), 0 0 0 1px var(--cyan-soft);
}

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-clause__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .privacy-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 0.95em;
  font-size: 1rem;
  line-height: 1.8;
}

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

.page-privacy .privacy-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
  transition: border-color var(--shift);
}

.page-privacy .privacy-clause__body a:hover,
.page-privacy .privacy-clause__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-subhead {
  margin: 1.75rem 0 0.75rem;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-privacy .privacy-subhead:first-child {
  margin-top: 0;
}

/* ── 信息分类卡片 ───────────────────────── */
.page-privacy .privacy-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-item {
  background: var(--pv-edge);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.125rem 1.25rem;
  transition: border-color var(--shift), transform var(--shift);
}

.page-privacy .privacy-item:hover {
  border-color: var(--cyan-soft);
  transform: translateY(-2px);
}

.page-privacy .privacy-item__title {
  margin: 0 0 0.4rem;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

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

.page-privacy .privacy-item .annotation {
  margin: 0.6rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ── 用途条目 ───────────────────────────── */
.page-privacy .privacy-purpose {
  padding-left: 1rem;
  border-left: 2px solid var(--cyan-soft);
  margin-bottom: 1.5rem;
}

.page-privacy .privacy-purpose:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-purpose h3 {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-privacy .privacy-purpose p {
  margin: 0;
}

/* ── 权利与留存条目 ─────────────────────── */
.page-privacy .privacy-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rights:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-rights li {
  position: relative;
  padding-left: 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy .privacy-rights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .privacy-rights strong {
  color: var(--white);
  font-weight: 700;
}

/* ── 联系方式 ───────────────────────────── */
.page-privacy .privacy-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.625rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-contact li {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-privacy .privacy-contact li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-contact__key {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .privacy-contact__val {
  color: var(--white);
  word-break: break-word;
}

/* ── 页尾注释 ───────────────────────────── */
.page-privacy .privacy-footnote {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ── 中等宽度 ───────────────────────────── */
@media (min-width: 44rem) {
  .page-privacy .privacy-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-rights {
    gap: 0.875rem;
  }
}

/* ── 移动端：目录转为顶部横向索引 ───────── */
@media (max-width: 63.99rem) {
  .page-privacy .privacy-layout {
    gap: 1.5rem;
  }

  .page-privacy .privacy-index__title {
    margin-bottom: 0.5rem;
  }

  .page-privacy .privacy-index__list {
    flex-direction: row;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    border-left: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-privacy .privacy-index__link {
    margin-left: 0;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: var(--pv-edge);
    white-space: nowrap;
  }

  .page-privacy .privacy-index__link:hover,
  .page-privacy .privacy-index__link:focus-visible {
    border-color: var(--cyan-soft);
    color: var(--cyan);
  }
}

/* ── 桌面端：目录固定在右侧 ─────────────── */
@media (min-width: 64rem) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--pv-aside);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    max-width: 64rem;
    margin-inline: auto;
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    grid-column: 2;
    grid-row: 1;
  }

  .page-privacy .privacy-content {
    grid-column: 1;
    grid-row: 1;
  }
}

/* ── 无障碍与动效偏好 ───────────────────── */
.page-privacy :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-item,
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-clause,
  .page-privacy .breadcrumbs a {
    transition: none;
  }

  .page-privacy .privacy-item:hover {
    transform: none;
  }
}

.page-privacy {
  --steel: currentColor;
}