.page-privacy {
  --pp-accent: #1C6B41;
  --pp-accent-soft: rgba(28, 107, 65, .12);
  --pp-measure: 68ch;
  background: var(--ink);
  color: var(--cold);
}

/* ---------- 页头 ---------- */
.page-privacy .pp-masthead {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--tier);
  border-bottom: 1px solid var(--rule);
}

.page-privacy .pp-masthead__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pp-masthead__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-privacy .pp-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(11, 19, 16, .96) 10%, rgba(11, 19, 16, .72) 54%, rgba(11, 19, 16, .34) 100%),
    linear-gradient(180deg, rgba(11, 19, 16, 0) 52%, rgba(11, 19, 16, .92) 100%);
}

.page-privacy .pp-masthead__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.5rem, 8vw, 5rem);
}

.page-privacy .pp-eyebrow {
  margin: 1.75rem 0 0;
  color: var(--neon);
}

.page-privacy .pp-title {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-size: var(--step-display);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.02;
  color: var(--cold);
}

.page-privacy .pp-lede {
  max-width: 46rem;
  margin: 1.25rem 0 0;
  font-size: var(--step-body);
  line-height: 1.75;
  color: rgba(244, 247, 243, .82);
}

.page-privacy .pp-version {
  display: inline-block;
  margin: 1.5rem 0 0;
  padding: .35rem .7rem;
  border: 1px solid var(--rule);
  font-family: var(--font-num);
  font-size: var(--step-label);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-index {
  position: sticky;
  top: 0;
  z-index: 3;
  background: rgba(11, 19, 16, .97);
  border-bottom: 1px solid var(--rule);
}

.page-privacy .pp-index__list {
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: .75rem 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .pp-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pp-index__link {
  display: inline-block;
  white-space: nowrap;
  padding-bottom: .2rem;
  border-bottom: 1px solid transparent;
  font-family: var(--font-num);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--paper-dim);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

/* ---------- 正文区 ---------- */
.page-privacy .pp-body {
  background: var(--paper);
  color: var(--ink);
  background-image: linear-gradient(180deg, rgba(11, 19, 16, .07), rgba(11, 19, 16, 0) 140px);
  padding-block: clamp(2rem, 6vw, 4rem);
}

.page-privacy .pp-body__inner {
  display: block;
}

.page-privacy .pp-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .75rem;
  padding-block: clamp(1.75rem, 4.5vw, 3rem);
  border-top: 1px solid var(--ink-rule);
}

.page-privacy .pp-chapter:first-child {
  border-top: 0;
}

.page-privacy .pp-chapter__rail {
  display: flex;
  align-items: baseline;
}

.page-privacy .pp-chapter__num {
  font-family: var(--font-num);
  font-size: .95rem;
  letter-spacing: .18em;
  font-variant-numeric: tabular-nums;
  color: var(--pp-accent);
}

.page-privacy .pp-chapter__body {
  max-width: var(--pp-measure);
}

.page-privacy .pp-chapter__title {
  margin: 0 0 .85rem;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-privacy .pp-chapter__lede {
  margin: 0 0 .9rem;
  font-size: var(--step-body);
  line-height: 1.75;
  color: #26302B;
}

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

/* ---------- 条款列表 ---------- */
.page-privacy .pp-clause {
  list-style: none;
  counter-reset: clause;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-privacy .pp-clause .pp-clause {
  gap: .7rem;
}

.page-privacy .pp-clause__item {
  counter-increment: clause;
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: .5rem;
}

.page-privacy .pp-clause__item::before {
  content: counter(clause, decimal-leading-zero);
  padding-top: .38rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--pp-accent);
}

.page-privacy .pp-clause__text {
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.75;
  color: #26302B;
}

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

.page-privacy .pp-note {
  margin: 1.25rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--pp-accent);
  font-size: .95rem;
  line-height: 1.75;
  color: #3C4642;
}

.page-privacy .pp-link {
  color: var(--pp-accent);
  text-decoration: underline;
  text-underline-offset: .22em;
  text-decoration-thickness: 1px;
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--ink);
  text-decoration-thickness: 2px;
  outline: none;
}

/* ---------- 数字对照 ---------- */
.page-privacy .pp-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 1px;
  margin: 0 0 1.25rem;
  background: var(--ink-rule);
  border: 1px solid var(--ink-rule);
}

.page-privacy .pp-metric {
  background: var(--paper);
  padding: 1rem 1.1rem;
}

.page-privacy .pp-metric__value {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .pp-metric__unit {
  margin-left: .2rem;
  font-size: .85rem;
  color: #4A544E;
}

.page-privacy .pp-metric__label {
  display: block;
  margin-top: .5rem;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #5C6660;
}

/* ---------- 折叠组 ---------- */
.page-privacy .pp-fold {
  margin-top: 1.35rem;
  border: 1px solid var(--ink-rule);
  background: var(--pp-accent-soft);
}

.page-privacy .pp-fold__toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: transparent;
  border: 0;
  font: inherit;
  font-size: .95rem;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
}

.page-privacy .pp-fold__toggle:hover {
  background: rgba(28, 107, 65, .18);
}

.page-privacy .pp-fold__toggle:focus-visible {
  outline: 2px solid var(--pp-accent);
  outline-offset: -2px;
}

.page-privacy .pp-fold__label {
  display: block;
}

.page-privacy .pp-fold__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-privacy .pp-fold__sign::before,
.page-privacy .pp-fold__sign::after {
  content: "";
  position: absolute;
  background: var(--pp-accent);
}

.page-privacy .pp-fold__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-privacy .pp-fold__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
  transition: transform .2s ease;
}

.page-privacy .pp-fold__toggle[aria-expanded="true"] .pp-fold__sign::after {
  transform: scaleY(0);
}

.page-privacy .pp-fold__panel {
  padding: .9rem 1.1rem 1.15rem;
  border-top: 1px solid var(--ink-rule);
  background: rgba(237, 230, 214, .55);
}

.page-privacy .pp-fold__panel[hidden] {
  display: none;
}

/* ---------- 联络块 ---------- */
.page-privacy .pp-contact {
  margin-top: 1.35rem;
  padding: 1.2rem 1.3rem;
  background: var(--tier);
  border: 1px solid var(--rule);
}

.page-privacy .pp-contact__label {
  margin: 0 0 .3rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-privacy .pp-contact__value {
  margin: 0 0 .9rem;
  font-family: var(--font-num);
  font-size: 1.05rem;
  letter-spacing: .01em;
  color: var(--cold);
  word-break: break-all;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-privacy .pp-chapter {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 1.75rem;
  }

  .page-privacy .pp-chapter__rail {
    justify-content: flex-end;
    padding-right: 1.1rem;
    border-right: 1px solid var(--ink-rule);
  }

  .page-privacy .pp-index__list {
    gap: 2.25rem;
  }

  .page-privacy .pp-masthead__inner {
    padding-block: clamp(3.5rem, 7vw, 5.5rem);
  }
}

@media (min-width: 1080px) {
  .page-privacy .pp-chapter {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-fold__sign::after,
  .page-privacy .pp-index__link {
    transition: none;
  }
}