.page-privacy {
  --privacy-offset: clamp(1rem, 4vw, 2rem);
  --privacy-hair: rgba(27, 25, 22, .16);
  display: block;
  background: var(--cream);
  padding-bottom: 4.5rem;
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 1.1rem var(--privacy-offset) 0;
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  margin-top: .9rem;
  padding: clamp(2.4rem, 6vw, 4.4rem) 0 clamp(3.6rem, 9vw, 6rem);
  color: var(--paper);
  background:
    radial-gradient(130% 150% at 10% 0%, rgba(30, 124, 114, .92) 0%, rgba(14, 75, 71, 1) 54%, rgba(14, 75, 71, 1) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3rem), 0 100%);
}

.page-privacy .privacy-hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  mix-blend-mode: luminosity;
  pointer-events: none;
}

.page-privacy .privacy-hero-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  width: 100%;
  height: 48%;
  opacity: .75;
  pointer-events: none;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--privacy-offset);
}

.page-privacy .privacy-hero .section-label {
  color: var(--sand);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.85rem, 5vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  margin: .55rem 0 1.05rem;
  color: var(--paper);
  max-width: 24ch;
}

.page-privacy .privacy-lede {
  margin: 0;
  max-width: 44rem;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.9;
  color: rgba(255, 251, 242, .88);
}

.page-privacy .privacy-stamp {
  display: inline-flex;
  align-items: center;
  margin: 1.6rem 0 0;
  padding: .42rem .9rem;
  border: 2px solid var(--sand);
  background: rgba(246, 230, 192, .14);
  color: var(--sand-soft);
  font-size: .78rem;
  letter-spacing: .04em;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-body {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2rem) var(--privacy-offset) 0;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.2rem;
}

.page-privacy .privacy-content {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  margin-bottom: clamp(2.4rem, 5vw, 3.4rem);
  scroll-margin-top: 6.5rem;
}

.page-privacy .privacy-head {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding-bottom: .7rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--deep);
}

.page-privacy .privacy-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--sand);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}

.page-privacy .privacy-head .section-title {
  margin: 0;
}

.page-privacy .privacy-p {
  margin: 0 0 1.1rem;
  font-size: 1rem;
  line-height: 1.88;
  color: var(--ink);
}

.page-privacy .privacy-link {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color .18s var(--ease);
}

.page-privacy .privacy-link:hover {
  color: var(--brick);
}

/* ---------- 四类信息卡片 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.page-privacy .privacy-card {
  padding: 1.1rem 1.2rem 1.25rem;
  background: var(--paper);
  border: 2px solid var(--deep);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-card:nth-child(even) {
  background: var(--shallow);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-privacy .privacy-card-title {
  display: inline-block;
  margin: 0 0 .7rem;
  padding-bottom: .3rem;
  border-bottom: 2px solid var(--sand);
  font-family: var(--serif);
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--deep);
  letter-spacing: .01em;
}

.page-privacy .privacy-card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-card-list li {
  position: relative;
  padding-left: 1rem;
  margin-top: .32rem;
}

.page-privacy .privacy-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
}

/* ---------- 用途 / 条目列表 ---------- */
.page-privacy .privacy-uses {
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--deep);
}

.page-privacy .privacy-use {
  display: flex;
  gap: 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid rgba(14, 75, 71, .2);
}

.page-privacy .privacy-use-num {
  flex: none;
  width: 1.7rem;
  padding-top: .1rem;
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--brick);
}

.page-privacy .privacy-use h3 {
  margin: 0 0 .3rem;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--deep);
}

.page-privacy .privacy-use p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-privacy .privacy-use p .privacy-link {
  color: var(--teal);
}

/* ---------- 提示条 ---------- */
.page-privacy .privacy-note {
  margin: 1.2rem 0 0;
  padding: .9rem 1.1rem;
  background: var(--sand-soft);
  border-left: 4px solid var(--sand);
  font-size: .92rem;
  line-height: 1.82;
  color: var(--ink);
}

/* ---------- 保留期限表格 ---------- */
.page-privacy .privacy-table-wrap {
  margin-bottom: 1.2rem;
  overflow-x: auto;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: .92rem;
}

.page-privacy .privacy-table-caption {
  padding: .8rem 1rem;
  text-align: left;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--sand-soft);
  background: var(--deep);
}

.page-privacy .privacy-table th,
.page-privacy .privacy-table td {
  padding: .85rem 1rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 2px solid var(--deep);
}

.page-privacy .privacy-table thead th {
  background: var(--teal);
  color: var(--paper);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .05em;
}

.page-privacy .privacy-table tbody tr:nth-child(odd) td {
  background: rgba(205, 225, 218, .45);
}

.page-privacy .privacy-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-privacy .privacy-table td:first-child {
  font-weight: 700;
  color: var(--deep);
}

/* ---------- 折叠步骤 ---------- */
.page-privacy .privacy-fold {
  margin: 0 0 .8rem;
  background: var(--paper);
  border: 2px solid var(--deep);
}

.page-privacy .privacy-fold[open] {
  box-shadow: 4px 4px 0 var(--sand);
}

.page-privacy .privacy-fold-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 700;
  color: var(--deep);
}

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

.page-privacy .privacy-fold-summary:focus-visible {
  outline: 3px solid var(--sand);
  outline-offset: -3px;
}

.page-privacy .privacy-fold-title {
  flex: 1 1 auto;
}

.page-privacy .privacy-fold-mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-privacy .privacy-fold-mark::before,
.page-privacy .privacy-fold-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--brick);
}

.page-privacy .privacy-fold-mark::before {
  width: 18px;
  height: 2px;
}

.page-privacy .privacy-fold-mark::after {
  width: 2px;
  height: 18px;
  transition: transform .22s var(--ease);
}

.page-privacy .privacy-fold[open] .privacy-fold-mark::after {
  transform: scaleY(0);
}

.page-privacy .privacy-steps {
  margin: 0;
  padding: .2rem 1.1rem 1.2rem;
  list-style: none;
  counter-reset: pstep;
}

.page-privacy .privacy-steps li {
  counter-increment: pstep;
  position: relative;
  padding-left: 2.3rem;
  margin-top: .7rem;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--ink);
}

.page-privacy .privacy-steps li::before {
  content: counter(pstep);
  position: absolute;
  left: 0;
  top: .12rem;
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  background: var(--shallow);
  border: 2px solid var(--ink);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 结尾印章 ---------- */
.page-privacy .privacy-stamp-foot {
  display: inline-block;
  margin-top: .6rem;
  padding: .5rem .9rem;
  background: var(--paper);
  border: 2px dashed var(--sand);
  color: var(--mist);
  font-size: .78rem;
  letter-spacing: .04em;
}

/* ---------- 右侧锚点导航 ---------- */
.page-privacy .privacy-toc {
  position: relative;
  padding: 1rem 1.1rem 1.2rem;
  background: var(--paper);
  border: 2px solid var(--deep);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-toc .toc-title {
  margin: 0 0 .7rem;
  padding-bottom: .45rem;
  border-bottom: 2px solid var(--sand);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--deep);
}

.page-privacy .privacy-toc .toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc .toc-link {
  display: block;
  padding: .42rem .6rem;
  font-size: .85rem;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .privacy-toc .toc-link:hover {
  color: var(--deep);
  background: rgba(205, 225, 218, .5);
}

.page-privacy .privacy-toc .toc-link[aria-current="true"] {
  color: var(--deep);
  font-weight: 700;
  border-left-color: var(--brick);
  background: var(--sand-soft);
}

.page-privacy .privacy-toc-note {
  margin: .9rem 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--privacy-hair);
  font-size: .74rem;
  color: var(--mist);
  letter-spacing: .05em;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .back-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 40;
  padding: .6rem .95rem;
  background: var(--brick);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s var(--ease);
}

.page-privacy .back-to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 显现动效 ---------- */
.page-privacy [data-reveal] {
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.page-privacy [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 619px) {
  .page-privacy .privacy-hero {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 1.6rem), 0 100%);
  }

  .page-privacy .privacy-hero-wave {
    height: 34%;
  }

  .page-privacy .privacy-use {
    gap: .7rem;
  }

  .page-privacy .privacy-toc {
    box-shadow: 3px 3px 0 var(--ink);
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 3.4rem;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 6rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
  }

  .page-privacy .privacy-hero h1 {
    max-width: 22ch;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal],
  .page-privacy .privacy-fold-mark::after,
  .page-privacy .privacy-toc .toc-link,
  .page-privacy .back-to-top {
    transition: none;
  }

  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
  }
}