.page-privacy {
  --privacy-measure: 40em;
  --privacy-toc-w: 236px;
}

/* 首屏 */
.page-privacy .privacy-hero {
  padding: 40px 0 8px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 210, 197, .10), transparent 58%),
    radial-gradient(90% 80% at 4% 12%, rgba(255, 106, 43, .12), transparent 62%);
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 6.2vw, 48px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--c-white);
  max-width: 20em;
}

.page-privacy .privacy-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.72;
  color: var(--text-dim);
}

.page-privacy .privacy-meta {
  margin: 16px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-silver);
}

.page-privacy .privacy-meta::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .18);
}

.page-privacy .privacy-hero-figure {
  margin: 32px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(180deg, var(--c-navy), var(--c-deep));
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-hero-figure .media-caption {
  padding: 12px 20px 16px;
  font-size: 13px;
  color: var(--text-faint);
}

/* 布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 72px;
}

/* 章节索引 */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(18, 38, 63, .9), rgba(10, 22, 38, .6));
  padding: 16px 16px 18px;
}

.page-privacy .privacy-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-white);
  background: rgba(255, 106, 43, .12);
}

.page-privacy .toc-no {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-signal);
}

.page-privacy .privacy-toc-cta {
  display: none;
  margin-top: 18px;
}

/* 正文 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding-top: 36px;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-sec:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .sec-no {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-cyan);
  padding-top: 4px;
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-white);
}

.page-privacy .privacy-p {
  max-width: var(--privacy-measure);
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-privacy .privacy-p a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(47, 210, 197, .45);
  text-underline-offset: 3px;
}

.page-privacy .privacy-p a:hover {
  text-decoration-color: var(--c-cyan);
}

.page-privacy .note-block {
  max-width: var(--privacy-measure);
  margin: 22px 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--c-silver);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--surface);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* 保存期限列表 */
.page-privacy .hold-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 44em;
}

.page-privacy .hold-item {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-signal);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--c-navy), rgba(18, 38, 63, .55));
}

.page-privacy .hold-key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-silver);
}

.page-privacy .hold-val {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-white);
}

.page-privacy .hold-desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-faint);
}

/* 折叠条款 */
.page-privacy .privacy-more {
  max-width: 44em;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 38, 63, .5);
}

.page-privacy .privacy-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  color: var(--c-white);
}

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

.page-privacy .privacy-more summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--c-signal);
  flex: none;
}

.page-privacy .privacy-more[open] summary::after {
  content: "–";
}

.page-privacy .privacy-more p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

/* 行动区 */
.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 页尾 */
.page-privacy .privacy-foot {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-privacy .back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--c-white);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .back-top::before {
  content: "↑";
  font-family: var(--font-num);
  color: var(--c-signal);
}

.page-privacy .back-top:hover,
.page-privacy .back-top:focus-visible {
  border-color: var(--c-signal);
  background: rgba(255, 106, 43, .12);
}

.page-privacy .privacy-foot-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-faint);
  max-width: 32em;
}

@media (min-width: 768px) {
  .page-privacy .privacy-toc-list {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-privacy .privacy-toc-cta {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-top: 56px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 96px;
  }

  .page-privacy .privacy-toc {
    padding: 20px 18px 22px;
  }

  .page-privacy .privacy-toc-inner {
    position: sticky;
    top: 32px;
  }

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

  .page-privacy .privacy-toc-list a {
    width: 100%;
    border: 0;
    border-radius: var(--r-sm);
    padding: 9px 12px;
    white-space: normal;
  }

  .page-privacy .privacy-toc-cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    margin-top: 22px;
  }

  .page-privacy .privacy-sec {
    padding-top: 44px;
    margin-top: 44px;
  }

  .page-privacy .privacy-sec h2 {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-list a,
  .page-privacy .back-top {
    transition: none;
  }
}