.page-privacy {
  --pv-line: #27405C;
  --pv-soft: #16283F;
  --pv-cyan: #3BE3DC;
  --pv-amber: #F5A524;
  --pv-measure: 42em;
  position: relative;
}

/* ---------- breadcrumb spacing ---------- */
.page-privacy .breadcrumb {
  padding-top: 24px;
  padding-bottom: 4px;
}

/* ---------- hero ---------- */
.page-privacy .pv-hero {
  padding-bottom: clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .pv-hero__kicker {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan-400);
  margin: 0 0 18px;
  padding-left: 34px;
  position: relative;
}
.page-privacy .pv-hero__kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 22px;
  height: 1px;
  background: var(--cyan-400);
}

.page-privacy .pv-hero__title {
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--paper-050);
}

.page-privacy .pv-hero__lede {
  max-width: 40em;
  color: var(--body-text);
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .pv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pv-hero__aside {
  border: 1px solid var(--pv-line);
  background: linear-gradient(180deg, #0F1E33 0%, #0A1424 100%);
  padding: 22px;
  border-radius: var(--radius);
}

.page-privacy .pv-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-privacy .pv-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  font-size: 14px;
  color: var(--mute-400);
}
.page-privacy .pv-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--pv-line);
}
.page-privacy .pv-hero__facts li:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-hero__factnum {
  font-size: 26px;
  color: var(--cyan-400);
  line-height: 1;
}

.page-privacy .pv-hero__media {
  margin: 0 auto;
  max-width: var(--shell);
  border-top: 1px solid var(--pv-line);
}
.page-privacy .pv-hero__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- .page-privacy layout ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .pv-rail {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--pv-line);
}
.page-privacy .rail__caption {
  width: 100%;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mute-400);
  margin: 0 0 4px;
}
.page-privacy .pv-rail .rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--mute-400);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-privacy .pv-rail .rail__tick {
  width: 14px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.page-privacy .pv-rail .rail__link:hover {
  color: var(--cyan-400);
}
.page-privacy .pv-rail .rail__link[aria-current="true"] {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

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

/* ---------- section rhythm ---------- */
.page-privacy .pv-section {
  padding-bottom: clamp(34px, 5vw, 60px);
  margin-bottom: clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--pv-line);
}
.page-privacy .pv-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pv-section .section-head {
  margin-bottom: 24px;
}
.page-privacy .pv-section .section-head__num {
  color: var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.2em;
  margin: 0 0 8px;
}
.page-privacy .pv-section .section-head__title {
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  color: var(--paper-050);
}
.page-privacy .pv-section .section-head__note {
  margin: 0;
  color: var(--mute-400);
  font-size: 14px;
}

/* ---------- boxed info types ---------- */
.page-privacy .pv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-privacy .pv-box {
  border: 1px solid var(--pv-line);
  background: var(--pv-soft);
  padding: 20px 20px 22px;
  border-radius: var(--radius);
  position: relative;
}
.page-privacy .pv-box::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20px;
  width: 40px;
  height: 2px;
  background: var(--cyan-400);
}
.page-privacy .pv-box .h3 {
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--paper-050);
}
.page-privacy .pv-box__lead {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--mute-400);
  line-height: 1.7;
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .pv-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--body-text);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(39, 64, 92, 0.6);
}
.page-privacy .pv-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-privacy .pv-list__idx {
  font-size: 12px;
  color: var(--cyan-400);
  padding-top: 3px;
}

/* ---------- fold ---------- */
.page-privacy .fold {
  margin-top: 22px;
  border: 1px solid var(--pv-line);
  background: rgba(22, 40, 63, 0.5);
  border-radius: var(--radius);
}
.page-privacy .fold .fold__summary {
  cursor: pointer;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--paper-050);
  list-style: none;
}
.page-privacy .fold .fold__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .fold .fold__idx {
  font-size: 12px;
  color: var(--cyan-400);
}
.page-privacy .fold[open] .fold__summary {
  border-bottom: 1px solid var(--pv-line);
}
.page-privacy .fold .fold__body {
  padding: 16px 18px 20px;
  font-size: 14.5px;
  color: var(--body-text);
  line-height: 1.8;
}
.page-privacy .fold .fold__body > p {
  margin: 0 0 14px;
}

.page-privacy .pv-field {
  padding: 12px 0;
  border-top: 1px dashed rgba(39, 64, 92, 0.7);
}
.page-privacy .pv-field:first-of-type {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-field__name {
  margin: 0 0 4px;
  font-size: 12.5px;
  color: var(--amber-300);
  letter-spacing: 0.04em;
}
.page-privacy .pv-field__use {
  margin: 0;
  font-size: 14px;
  color: var(--body-text);
}

/* ---------- purpose rows ---------- */
.page-privacy .pv-purpose {
  display: grid;
  gap: 0;
}
.page-privacy .pv-purpose__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .pv-purpose__row:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-purpose__k {
  font-size: 12.5px;
  color: var(--cyan-400);
  letter-spacing: 0.12em;
}
.page-privacy .pv-purpose__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
  max-width: var(--pv-measure);
}

.page-privacy .pv-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--amber-500);
  background: rgba(245, 165, 36, 0.06);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}
.page-privacy .pv-note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 227, 220, 0.4);
}
.page-privacy .pv-note a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- storage ---------- */
.page-privacy .pv-store {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-privacy .pv-store__item {
  border: 1px solid var(--pv-line);
  padding: 18px 20px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(22, 40, 63, 0.9) 0%, rgba(10, 20, 36, 0.9) 100%);
}
.page-privacy .pv-store__item .h3 {
  font-size: 16px;
  margin: 6px 0 8px;
  color: var(--paper-050);
}
.page-privacy .pv-store__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}
.page-privacy .pv-store__tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
  margin: 0;
}

.page-privacy .pv-store__aside {
  margin-top: 22px;
  padding: 20px;
  border: 1px dashed var(--pv-line);
  border-radius: var(--radius);
}
.page-privacy .pv-store__aside .h3 {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--paper-050);
}
.page-privacy .pv-store__aside p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body-text);
  max-width: var(--pv-measure);
}
.page-privacy .pv-store__aside p:last-child {
  margin-bottom: 0;
}

/* ---------- retention table ---------- */
.page-privacy .pv-retention {
  border: 1px solid var(--pv-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-privacy .pv-retention__head {
  display: none;
  background: var(--pv-soft);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mute-400);
  padding: 12px 18px;
  gap: 16px;
}
.page-privacy .pv-retention__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 18px;
  border-top: 1px solid var(--pv-line);
  font-size: 14.5px;
  line-height: 1.7;
}
.page-privacy .pv-retention__row:first-of-type {
  border-top: 0;
}
.page-privacy .pv-retention__cat {
  color: var(--paper-050);
  font-weight: 600;
}
.page-privacy .pv-retention__term {
  color: var(--amber-300);
  font-family: var(--mono);
  font-size: 13px;
}
.page-privacy .pv-retention__who {
  color: var(--mute-400);
  font-size: 13.5px;
}

/* ---------- steps + copy ---------- */
.page-privacy .pv-steps {
  margin-bottom: 26px;
}
.page-privacy .pv-steps .step__num {
  color: var(--cyan-400);
}
.page-privacy .pv-steps .step__title {
  font-size: 16px;
  color: var(--paper-050);
}

.page-privacy .pv-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--pv-line);
  border-left: 2px solid var(--cyan-400);
  background: var(--pv-soft);
  padding: 18px 20px;
  border-radius: var(--radius);
}
.page-privacy .pv-copy__label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mute-400);
}
.page-privacy .pv-copy__mail {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--paper-050);
  word-break: break-all;
}
.page-privacy .pv-copy__act {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-privacy .pv-copy .copy-state {
  font-size: 12px;
  color: var(--amber-300);
}
.page-privacy .pv-copy .copy-state[data-state="ok"]::after {
  content: "已复制";
}
.page-privacy .pv-copy .copy-state:empty::after {
  content: "";
}

/* ---------- reveal ---------- */
.page-privacy .reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}
.page-privacy .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- tablet ---------- */
@media (min-width: 680px) {
  .page-privacy .pv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-privacy .pv-store {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-privacy .pv-purpose__row {
    grid-template-columns: 120px 1fr;
    gap: 18px;
    align-items: start;
  }
  .page-privacy .pv-retention__head {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr 1.4fr;
  }
  .page-privacy .pv-retention__row {
    grid-template-columns: 1.1fr 1.2fr 1.4fr;
    align-items: baseline;
    gap: 16px;
  }
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- desktop ---------- */
@media (min-width: 1000px) {
  .page-privacy .pv-body {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }
  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    border-bottom: 0;
    border-left: 1px solid var(--pv-line);
    padding: 4px 0 4px 16px;
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }
  .page-privacy .pv-rail .rail__link {
    padding: 7px 0;
    font-size: 13.5px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding-left: 10px;
  }
  .page-privacy .pv-rail .rail__link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan-400);
    background: rgba(59, 227, 220, 0.06);
  }
  .page-privacy .pv-rail .rail__tick {
    width: 10px;
  }
  .page-privacy .pv-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-privacy .pv-hero__inner {
    padding-top: clamp(40px, 5vw, 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-privacy .pv-rail .rail__link {
    transition: none;
  }
}
<<<END>>>