.page-privacy {
  --pp-rule: rgba(14, 26, 43, .14);
  --pp-rule-strong: rgba(14, 26, 43, .3);
  --pp-soft: rgba(14, 26, 43, .045);
  --pp-paper: #FBF9F4;
  background: var(--ivory);
  color: var(--ink);
}

.page-privacy .wrap {
  box-sizing: border-box;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--ivory);
  isolation: isolate;
}

.page-privacy .pp-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .38;
  z-index: 0;
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 1.8vw, 24px);
  padding: clamp(56px, 9vw, 132px) 0 clamp(44px, 6vw, 92px);
}

.page-privacy .pp-hero__crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-privacy .pp-hero__crumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
}

.page-privacy .pp-hero__crumbs a:hover,
.page-privacy .pp-hero__crumbs a:focus-visible {
  border-bottom-color: var(--ember);
  color: var(--gold);
}

.page-privacy .pp-hero__index {
  margin: 0;
}

.page-privacy .pp-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ivory);
  max-width: 15em;
}

.page-privacy .pp-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.9;
  color: rgba(244, 241, 234, .84);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-body {
  background: var(--ivory);
  color: var(--ink);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

/* ---------- 左侧目录 ---------- */
.page-privacy .pp-toc {
  background: var(--pp-paper);
  border: 1px solid var(--pp-rule);
  padding: 18px 16px;
}

.page-privacy .pp-toc__label {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--graphite);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  box-sizing: border-box;
  min-height: 44px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  font-size: 15px;
  line-height: 1.55;
  color: var(--graphite);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--ember);
  background: var(--pp-soft);
}

.page-privacy .pp-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ember);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-content {
  min-width: 0;
}

.page-privacy .pp-clause {
  padding: clamp(30px, 4vw, 52px) 0;
  scroll-margin-top: 120px;
}

.page-privacy .pp-clause + .pp-clause {
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-clause:first-child {
  padding-top: 0;
}

.page-privacy .pp-clause__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.5vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pp-clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--ember);
}

.page-privacy .pp-copy {
  max-width: 38em;
}

.page-privacy .pp-copy p {
  margin: 0 0 1.25em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
}

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

.page-privacy .pp-copy a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-privacy .pp-copy a:hover,
.page-privacy .pp-copy a:focus-visible {
  text-decoration-color: var(--ember);
}

.page-privacy .pp-copy .mono {
  font-family: var(--font-mono);
  font-size: .95em;
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-privacy .pp-mail,
.page-privacy .pp-tel {
  color: var(--ink);
  border-bottom: 1px solid var(--line-gold);
}

/* ---------- 术语表 / 条目清单 ---------- */
.page-privacy .pp-defs {
  margin: 0 0 1.6em;
  max-width: 42em;
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-defs__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-privacy .pp-defs__term {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink);
}

.page-privacy .pp-defs__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 用途列表（编号 + 横线） ---------- */
.page-privacy .pp-uses {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 42em;
  display: grid;
}

.page-privacy .pp-uses__item {
  display: grid;
  gap: 6px;
  padding: 20px 0 20px 20px;
  border-left: 1px solid var(--pp-rule-strong);
  position: relative;
}

.page-privacy .pp-uses__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 1px;
  height: 26px;
  background: var(--ember);
}

.page-privacy .pp-uses__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-privacy .pp-uses__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 提示块 ---------- */
.page-privacy .pp-callout {
  max-width: 42em;
  margin: 0 0 1.6em;
  padding: 18px 20px;
  background: var(--pp-paper);
  border: 1px solid var(--pp-rule);
  border-left: 3px solid var(--ember);
}

.page-privacy .pp-callout p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 可展开组 ---------- */
.page-privacy .expand {
  max-width: 42em;
  margin: 0 0 1.6em;
  background: var(--pp-paper);
  border: 1px solid var(--pp-rule);
  border-radius: 0;
}

.page-privacy .expand__trigger {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding: 14px 18px;
  background: none;
  border: 0;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: background-color var(--dur) var(--ease);
}

.page-privacy .expand__trigger:hover,
.page-privacy .expand__trigger:focus-visible {
  background: var(--pp-soft);
}

.page-privacy .expand__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ember);
}

.page-privacy .expand__title {
  flex: 1 1 auto;
}

.page-privacy .expand__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-privacy .expand__mark::before,
.page-privacy .expand__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.page-privacy .expand__mark::before {
  width: 14px;
  height: 1px;
}

.page-privacy .expand__mark::after {
  width: 1px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.page-privacy .expand[data-expand="open"] .expand__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-privacy .expand__inner {
  padding: 0 18px 20px;
}

.page-privacy .expand__body {
  border-top: 1px solid var(--pp-rule);
  padding-top: 16px;
}

.page-privacy .pp-tick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-tick li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-privacy .pp-tick li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 1px;
  background: var(--celadon);
}

.page-privacy .pp-tick strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 三类请求 ---------- */
.page-privacy .pp-req {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 46em;
  margin: 0 0 1.8em;
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-req__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-privacy .pp-req__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--celadon);
}

.page-privacy .pp-req__name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-privacy .pp-req__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 收束区 ---------- */
.page-privacy .pp-outro {
  background: var(--ink);
  color: var(--ivory);
}

.page-privacy .pp-outro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.page-privacy .pp-outro__main {
  display: grid;
  gap: 16px;
}

.page-privacy .pp-outro__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-privacy .pp-outro__text {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 241, 234, .82);
}

.page-privacy .pp-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-privacy .pp-contact {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pp-contact__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pp-contact__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-privacy .pp-contact__value {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--gold);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-privacy .pp-defs__row {
    grid-template-columns: 158px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .pp-req {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--pp-rule);
    gap: 0;
  }

  .page-privacy .pp-req__item {
    padding: 24px 22px 24px 0;
    border-bottom: 0;
    border-left: 1px solid var(--pp-rule);
    padding-left: 20px;
  }

  .page-privacy .pp-req__item:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(198px, 248px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 112px;
    padding: 20px 18px;
  }

  .page-privacy .pp-outro__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  }
}

@media (min-width: 1200px) {
  .page-privacy .pp-clause__title {
    gap: 18px;
  }

  .page-privacy .pp-uses__item {
    padding-left: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .expand__trigger,
  .page-privacy .expand__mark::after {
    transition: none;
  }
}
```