.page-privacy {
  --privacy-measure: 66ch;
  --privacy-rule: rgba(168, 69, 43, .22);
  --privacy-rule-soft: rgba(168, 69, 43, .1);
  background: var(--sand);
  color: var(--ink);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(20px, 3vw, 34px);
  overflow: hidden;
}

.page-privacy__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(52%, 620px);
  height: 100%;
  background: linear-gradient(180deg, rgba(168, 69, 43, .1), rgba(168, 69, 43, 0) 76%);
  pointer-events: none;
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--clay) 0%, rgba(168, 69, 43, .12) 55%, transparent 100%);
}

.page-privacy__hero .wrap {
  position: relative;
}

.page-privacy__eyebrow {
  margin: clamp(20px, 3.4vw, 34px) 0 0;
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--peacock);
}

.page-privacy__title {
  margin: .3em 0 0;
  max-width: 14ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.012em;
  color: var(--ink);
}

.page-privacy__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: var(--privacy-measure);
  padding-left: 16px;
  border-left: 2px solid var(--peacock);
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(20px, 3.2vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  font-size: .84rem;
  color: var(--ink-mute);
}

.page-privacy__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy__meta b {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--peacock-deep);
}

/* ---------- 窄幅纹理带 ---------- */
.page-privacy__banner {
  margin: 0;
  background: var(--paper);
  border-top: 1px solid var(--privacy-rule-soft);
  border-bottom: 1px solid var(--privacy-rule-soft);
}

.page-privacy__banner img {
  display: block;
  width: 100%;
  height: clamp(140px, 26vw, 288px);
  object-fit: cover;
  filter: saturate(.55) contrast(1.04);
}

/* ---------- 布局 ---------- */
.page-privacy__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 节号索引 ---------- */
.page-privacy__rail {
  border-top: 1px solid var(--privacy-rule);
  padding-top: 12px;
}

.page-privacy__rail-label {
  margin: 0 0 10px;
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-privacy__rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy__rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  font-size: .86rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink-soft);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.page-privacy__rail-link .mono {
  font-size: .76rem;
  color: var(--peacock);
  letter-spacing: .06em;
}

.page-privacy__rail-link:hover,
.page-privacy__rail-link:focus-visible {
  border-color: var(--peacock);
  color: var(--peacock-deep);
  background: rgba(22, 112, 107, .06);
}

/* ---------- 章节 ---------- */
.page-privacy__section {
  max-width: var(--privacy-measure);
  padding: clamp(22px, 4vw, 36px) 0 clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--privacy-rule);
  scroll-margin-top: calc(var(--sticky-top) + 20px);
}

.page-privacy__section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy__section:nth-child(2) { border-top-color: rgba(168, 69, 43, .17); }
.page-privacy__section:nth-child(3) { border-top-color: rgba(168, 69, 43, .14); }
.page-privacy__section:nth-child(4) { border-top-color: rgba(168, 69, 43, .11); }
.page-privacy__section:nth-child(5) { border-top-color: rgba(168, 69, 43, .08); }
.page-privacy__section:nth-child(6) { border-top-color: rgba(168, 69, 43, .06); }

.page-privacy__sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy__sec-num {
  flex: none;
  padding: 2px 8px;
  border: 1px solid rgba(22, 112, 107, .42);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--peacock);
}

.page-privacy__sec-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.28rem, 4.2vw, 1.78rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-privacy__section p {
  margin: 0 0 14px;
  font-size: clamp(1rem, 2.5vw, 1.03rem);
  line-height: 1.85;
  color: var(--ink-soft);
}

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

/* ---------- 条目列表 ---------- */
.page-privacy__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy__list li {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px dotted var(--line-soft);
  font-size: .96rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-privacy__list li:last-child {
  border-bottom: 0;
}

.page-privacy__key {
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--peacock-deep);
}

/* ---------- 附注折叠 ---------- */
.page-privacy__section .accordion {
  margin-top: 18px;
  border: 1px solid var(--line-soft);
  background: var(--paper);
}

.page-privacy__section .accordion__item + .accordion__item {
  border-top: 1px solid var(--line-soft);
}

.page-privacy__section .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.6;
  text-align: left;
  color: var(--peacock-deep);
  cursor: pointer;
}

.page-privacy__section .accordion__trigger::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--peacock);
}

.page-privacy__section .accordion__trigger[aria-expanded="true"]::after {
  content: "－";
}

.page-privacy__section .accordion__panel {
  padding: 0 14px 14px;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-privacy__section .accordion__panel p {
  margin: 0;
  font-size: inherit;
}

/* ---------- 边注 ---------- */
.page-privacy__note {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--gold);
  background: rgba(232, 163, 61, .07);
  font-size: .92rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* ---------- 相关入口 ---------- */
.page-privacy__next {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 18px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy__next-label {
  margin: 0 0 12px;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-privacy__next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy__body {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
  }

  .page-privacy__rail {
    position: sticky;
    top: var(--sticky-top);
    align-self: start;
    padding-bottom: 8px;
  }

  .page-privacy__rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy__rail-link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 0 8px 12px;
    white-space: normal;
    background: transparent;
  }

  .page-privacy__rail-link:hover,
  .page-privacy__rail-link:focus-visible {
    border-left-color: var(--peacock);
    background: transparent;
  }
}

@media (min-width: 1180px) {
  .page-privacy__body {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy__rail-link {
    transition: none;
  }
}