.page-privacy {
  --pp-text: #B0C1CA;
  --pp-text-strong: #C7D6DD;
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
}

.page-privacy .privacy-hero__banner {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-hero__banner img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 300px);
  object-fit: cover;
  opacity: .48;
}

.page-privacy .privacy-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 9, .25) 0%, rgba(5, 7, 9, .82) 68%, var(--c-void) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px) var(--gutter) clamp(30px, 4.4vw, 56px);
}

.page-privacy .privacy-hero__inner .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-privacy .privacy-hero__title {
  font-family: var(--f-display);
  font-weight: 200;
  font-size: clamp(2.6rem, 7.6vw, 5.6rem);
  line-height: .95;
  letter-spacing: -.01em;
  color: var(--c-white);
  margin: 8px 0 0;
}

.page-privacy .privacy-hero__lede {
  max-width: 46ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.9;
  color: var(--pp-text);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(24px, 4.4vw, 56px);
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--c-line);
}

.page-privacy .privacy-hero__meta > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 145px;
}

.page-privacy .privacy-hero__meta dt {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .privacy-hero__meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-white);
  word-break: break-word;
}

/* ---------- 主体网格 ---------- */
.page-privacy .privacy-grid {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(30px, 4.6vw, 62px) var(--gutter) clamp(64px, 9vw, 128px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: clamp(30px, 4.6vw, 68px);
  align-items: start;
}

.page-privacy .privacy-panels {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

/* ---------- 条款 ---------- */
.page-privacy .clause {
  border-top: 1px solid var(--c-line);
  padding: clamp(28px, 4.6vw, 52px) 0;
  scroll-margin-top: calc(var(--hdr-h) + 26px);
}

.page-privacy .clause:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .clause__head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.6vw, 26px);
  padding: 0;
  margin: 0;
}

.page-privacy .clause__head::-webkit-details-marker,
.page-privacy .clause__head::marker {
  display: none;
  content: "";
}

.page-privacy .clause__head:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 6px;
}

.page-privacy .clause__num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-wire);
  transition: color .2s ease;
}

.page-privacy .clause__title {
  margin: 0;
  font-size: clamp(1.22rem, 2.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: .005em;
  color: var(--c-white);
}

.page-privacy .clause__toggle {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--c-line);
  font-family: var(--f-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-mist);
  transition: border-color .18s ease, color .18s ease;
}

.page-privacy .clause__toggle::before {
  content: "+";
}

.page-privacy .clause[open] .clause__toggle::before {
  content: "−";
}

.page-privacy .clause[open] .clause__toggle {
  border-color: var(--c-wire);
  color: var(--c-white);
}

.page-privacy .clause__head:hover .clause__num,
.page-privacy .clause__head:hover .clause__title {
  color: var(--c-cyan);
}

.page-privacy .clause__body {
  max-width: 62ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: 15.5px;
  line-height: 1.92;
  color: var(--pp-text);
}

.page-privacy .clause__body p {
  margin: 0 0 1.05em;
}

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

.page-privacy .clause__body strong {
  color: var(--c-white);
  font-weight: 600;
}

.page-privacy .clause__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, .38);
  transition: border-color .18s ease;
}

.page-privacy .clause__body a:hover,
.page-privacy .clause__body a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-privacy .clause__body ul {
  list-style: none;
  margin: 0 0 1.15em;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .clause__body li {
  position: relative;
  padding-left: 22px;
}

.page-privacy .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--c-cyan);
}

.page-privacy .clause__body .note {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--c-cyan);
  background: rgba(34, 224, 208, .05);
  color: var(--pp-text-strong);
  font-size: 14.5px;
  line-height: 1.82;
}

.page-privacy .clause:target {
  background: linear-gradient(90deg, rgba(34, 224, 208, .06), rgba(34, 224, 208, 0) 62%);
}

.page-privacy .clause:target .clause__num {
  color: var(--c-cyan);
}

.page-privacy .clause:target .clause__title {
  color: var(--c-cyan);
}

/* ---------- 条款索引 ---------- */
.page-privacy .privacy-index {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  position: sticky;
  top: calc(var(--hdr-h) + 24px);
  background: var(--c-ink);
  border: 2px solid var(--c-line);
  box-shadow: 5px 5px 0 0 var(--c-steel);
  padding: 16px 0 8px;
}

.page-privacy .privacy-index__title {
  margin: 0;
  padding: 0 16px 13px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-privacy .privacy-index__list a {
  display: block;
  padding: 9px 16px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-mist);
  text-decoration: none;
  transition: background-color .16s ease, color .16s ease, border-color .16s ease;
}

.page-privacy .privacy-index__list a:hover {
  color: var(--c-white);
  background: var(--c-steel);
  border-left-color: var(--c-cyan);
}

.page-privacy .privacy-index__list a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
  color: var(--c-white);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 940px) {
  .page-privacy .privacy-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-top: 0;
  }

  .page-privacy .privacy-panels {
    grid-column: 1;
    grid-row: 2;
  }

  .page-privacy .privacy-index {
    grid-column: 1;
    grid-row: 1;
    position: static;
    border: none;
    border-bottom: 1px solid var(--c-line);
    box-shadow: none;
    background: transparent;
    padding: 0 0 20px;
    margin-bottom: 26px;
  }

  .page-privacy .privacy-index__title {
    padding: 0 0 12px;
    border-bottom: none;
  }

  .page-privacy .privacy-index__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    margin: 0;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

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

  .page-privacy .privacy-index__list a {
    white-space: nowrap;
    padding: 8px 14px;
    border: 1px solid var(--c-line);
    font-size: 12.5px;
  }

  .page-privacy .privacy-index__list a:hover {
    border-color: var(--c-cyan);
    background: transparent;
  }

  .page-privacy .clause:first-child {
    padding-top: clamp(24px, 4vw, 40px);
    border-top: 1px solid var(--c-line);
  }
}

@media (max-width: 560px) {
  .page-privacy .clause__head {
    gap: 12px;
  }

  .page-privacy .clause__num {
    font-size: 1.7rem;
  }

  .page-privacy .clause__title {
    font-size: 1.16rem;
  }

  .page-privacy .clause__toggle {
    width: 28px;
    height: 28px;
    font-size: 15px;
  }

  .page-privacy .clause__body {
    font-size: 15px;
    line-height: 1.88;
    padding-left: 0;
  }

  .page-privacy .privacy-hero__meta > div {
    min-width: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause__num,
  .page-privacy .clause__toggle,
  .page-privacy .clause__body a,
  .page-privacy .privacy-index__list a {
    transition: none;
  }
}