.page-privacy {
  --privacy-measure: 68ch;
  --privacy-toc-w: 212px;
}

/* 面包屑与首屏 */
.page-privacy .breadcrumb {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-privacy .privacy-hero {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 5vw, 52px) 0 clamp(20px, 4vw, 34px);
  max-width: 62rem;
}

.page-privacy .privacy-hero__title {
  font-size: clamp(2.1rem, 5.4vw, 3.2rem);
  line-height: 1.12;
  margin: 0;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 44rem;
  color: var(--c-body);
}

.page-privacy .privacy-summary {
  margin-top: 6px;
  padding: clamp(18px, 3vw, 28px);
  max-width: 46rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(61, 224, 208, .10), rgba(255, 122, 47, .09) 58%, rgba(36, 28, 58, .10));
}

.page-privacy .privacy-summary__label {
  margin: 0 0 14px;
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .privacy-summary ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-privacy .privacy-summary li {
  position: relative;
  padding-left: 22px;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--c-body);
}

.page-privacy .privacy-summary li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 1px;
  background: var(--c-cyan);
}

/* 横幅 */
.page-privacy .privacy-banner {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-indigo);
}

.page-privacy .privacy-banner__cap {
  display: block;
  padding: 10px clamp(14px, 2vw, 20px) 12px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-mute);
  background: linear-gradient(90deg, rgba(255, 122, 47, .08), transparent 70%);
}

/* 布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 8vw, 92px);
}

.page-privacy .privacy-ruler {
  display: none;
}

/* 目录：移动端为横向胶囊 */
.page-privacy .privacy-toc {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__title {
  display: none;
}

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

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: .82rem;
  line-height: 1.4;
  color: var(--c-mute);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  color: var(--c-fog);
  border-color: var(--c-cyan);
  background: rgba(61, 224, 208, .07);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-dawn);
}

/* 正文 */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-section {
  padding-top: clamp(18px, 3vw, 28px);
  background-image: linear-gradient(90deg, var(--c-dawn), rgba(36, 28, 58, .9) 42%, transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: top left;
}

.page-privacy .privacy-section > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  list-style: none;
  cursor: pointer;
}

.page-privacy .privacy-section > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-section > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--c-mute);
  transition: color .2s var(--ease);
}

.page-privacy .privacy-section[open] > summary::after {
  content: "−";
}

.page-privacy .privacy-section > summary:hover::after {
  color: var(--c-cyan);
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--c-dawn);
}

.page-privacy .privacy-section__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(1.18rem, 2.6vw, 1.6rem);
  line-height: 1.35;
  color: var(--c-fog);
}

.page-privacy .privacy-section:target > summary .privacy-section__num,
.page-privacy .privacy-section:target > summary .privacy-section__title {
  color: var(--c-cyan);
}

.page-privacy .privacy-section__body {
  display: grid;
  gap: 15px;
  padding-top: 18px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-body);
}

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

.page-privacy .privacy-section__body h3 {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-fog);
}

.page-privacy .privacy-section__body ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-section__body ul li {
  position: relative;
  padding-left: 20px;
}

.page-privacy .privacy-section__body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .82em;
  width: 8px;
  height: 1px;
  background: var(--c-cyan);
  opacity: .85;
}

.page-privacy .privacy-section__body a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-section__body a:hover {
  text-decoration-thickness: 2px;
}

/* 配对说明 */
.page-privacy .privacy-pairs {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px dashed var(--c-line);
}

.page-privacy .privacy-pairs dt {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .84rem;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

.page-privacy .privacy-pairs dd {
  margin: 6px 0 0;
}

/* 保存期限表 */
.page-privacy .privacy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .94rem;
}

.page-privacy .privacy-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-mute);
}

.page-privacy .privacy-table th,
.page-privacy .privacy-table td {
  padding: 12px 12px 12px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-table th {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--c-mute);
}

.page-privacy .privacy-table td:first-child {
  color: var(--c-fog);
}

.page-privacy .privacy-table td:last-child {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .86rem;
  color: var(--c-body);
}

/* 焦点 */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 桌面端：刻度 + 正文 + 目录 */
@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 40px minmax(0, 1fr) var(--privacy-toc-w);
    gap: 0 clamp(24px, 3vw, 48px);
  }

  .page-privacy .privacy-ruler {
    display: block;
    position: relative;
    grid-column: 1;
    grid-row: 1;
    align-self: stretch;
  }

  .page-privacy .privacy-ruler::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background-image: repeating-linear-gradient(to bottom, var(--c-line) 0 5px, transparent 5px 13px);
  }

  .page-privacy .privacy-ruler::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--c-dawn);
    box-shadow: 0 0 0 4px rgba(255, 122, 47, .14);
  }

  .page-privacy .privacy-body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-privacy .privacy-toc {
    grid-column: 3;
    grid-row: 1;
    position: sticky;
    top: 108px;
    align-self: start;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 4px 0 0 18px;
    border-left: 1px solid var(--c-line);
  }

  .page-privacy .privacy-toc__title {
    display: block;
    margin: 0 0 14px;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .16em;
    color: var(--c-mute);
  }

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

  .page-privacy .privacy-toc__link {
    min-height: 0;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: none;
    white-space: normal;
    font-size: .84rem;
    line-height: 1.55;
  }

  .page-privacy .privacy-toc__link:hover {
    background: none;
    color: var(--c-cyan);
  }
}

/* 打印：便于留存纸质版本 */
@media print {
  .page-privacy .privacy-toc,
  .page-privacy .privacy-ruler,
  .page-privacy .privacy-banner {
    display: none !important;
  }

  .page-privacy,
  .page-privacy .privacy-section__title,
  .page-privacy .privacy-section__body,
  .page-privacy .privacy-section__body h3,
  .page-privacy .privacy-pairs dt,
  .page-privacy .privacy-table td:last-child {
    color: #000;
  }

  .page-privacy .privacy-section {
    background-image: none;
    border-top: 1px solid #8a8a8a;
    break-inside: avoid;
  }

  .page-privacy .privacy-section > summary {
    cursor: default;
  }

  .page-privacy .privacy-section > summary::after {
    content: "";
  }

  .page-privacy .privacy-section__body {
    display: grid !important;
  }

  .page-privacy .privacy-summary {
    background: none;
    border: 1px solid #8a8a8a;
  }
}