.page-privacy {
  --pv-acc: var(--og-cyan);
  --pv-gap: clamp(52px, 8vw, 104px);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(60px, 9vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  padding-top: clamp(18px, 4vw, 42px);
}
.page-privacy .pv-hero__inner {
  display: grid;
  gap: 26px;
}
.page-privacy .pv-hero .og-eyebrow {
  margin-bottom: 14px;
}
.page-privacy .pv-title {
  margin: 0 0 18px;
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--og-ink);
}
.page-privacy .pv-lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.9;
  color: var(--og-ink-soft);
}
.page-privacy .pv-meta {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--og-rule);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--og-ink-dim);
}
.page-privacy .pv-hero__aside {
  display: none;
}
.page-privacy .pv-wave {
  display: block;
  width: 100%;
  height: 84px;
  color: var(--og-cyan);
  opacity: 0.6;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pv-banner {
  margin: clamp(26px, 4vw, 46px) 0 0;
}
.page-privacy .pv-banner .og-media__frame {
  border: 1px solid var(--og-rule);
  border-radius: var(--og-radius-lg);
  overflow: hidden;
  background: var(--og-panel);
}
.page-privacy .pv-banner .og-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-privacy .pv-banner .og-media__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--og-ink-dim);
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pv-body {
  display: grid;
  gap: clamp(26px, 5vw, 54px);
  margin-top: var(--pv-gap);
}
.page-privacy .pv-index {
  border: 1px solid var(--og-rule);
  border-radius: var(--og-radius);
  background: var(--og-panel);
  padding: 18px 18px 16px;
}
.page-privacy .pv-index__title {
  margin: 0 0 12px;
  font-family: var(--og-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--og-ink-dim);
}
.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--og-ink-soft);
  text-decoration: none;
  transition: color var(--og-fast) var(--og-ease), border-color var(--og-fast) var(--og-ease), background-color var(--og-fast) var(--og-ease);
}
.page-privacy .pv-index__link .og-mono {
  font-size: 12px;
  color: var(--og-cyan);
}
.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  color: var(--og-ink);
  border-color: var(--og-rule);
  background: var(--og-glass);
}

.page-privacy .pv-sections {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-privacy .pv-section {
  position: relative;
  padding: clamp(32px, 5vw, 56px) 0;
}
.page-privacy .pv-section:first-child {
  padding-top: 0;
}
.page-privacy .pv-section + .pv-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--pv-acc) 0%, #26314f00 78%);
  opacity: 0.7;
}
.page-privacy .pv-section:nth-child(7n + 1) { --pv-acc: var(--og-cyan); }
.page-privacy .pv-section:nth-child(7n + 2) { --pv-acc: var(--og-violet); }
.page-privacy .pv-section:nth-child(7n + 3) { --pv-acc: var(--og-orange); }
.page-privacy .pv-section:nth-child(7n + 4) { --pv-acc: var(--og-cyan-lift); }
.page-privacy .pv-section:nth-child(7n + 5) { --pv-acc: var(--og-violet-soft); }
.page-privacy .pv-section:nth-child(7n + 6) { --pv-acc: var(--og-cyan); }
.page-privacy .pv-section:nth-child(7n + 7) { --pv-acc: var(--og-orange); }

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}
.page-privacy .pv-section__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pv-acc);
}
.page-privacy .pv-section__title {
  margin: 0;
  font-size: clamp(20px, 2.7vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--og-ink);
}
.page-privacy .pv-prose {
  margin: 0 0 18px;
  max-width: 36em;
  color: var(--og-ink-soft);
}
.page-privacy .pv-prose:last-child {
  margin-bottom: 0;
}
.page-privacy .pv-note {
  margin: 18px 0 0;
  display: block;
  color: var(--og-ink-dim);
}
.page-privacy .pv-inline-link {
  color: var(--og-cyan);
  text-decoration: none;
  border-bottom: 1px solid #25e6d066;
  transition: border-color var(--og-fast) var(--og-ease);
}
.page-privacy .pv-inline-link:hover,
.page-privacy .pv-inline-link:focus-visible {
  border-bottom-color: var(--og-cyan);
}

.page-privacy .pv-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-privacy .pv-item {
  border-left: 2px solid var(--pv-acc);
  padding: 2px 0 2px 16px;
}
.page-privacy .pv-item__label {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--og-ink);
}
.page-privacy .pv-item__text {
  display: block;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--og-ink-soft);
}

/* ---------- 暖纸摘要板 ---------- */
.page-privacy .pv-summary {
  margin-top: var(--pv-gap);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--og-radius-lg);
  color: var(--og-deep);
}
.page-privacy .pv-summary__kicker {
  margin: 0 0 10px;
  font-family: var(--og-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.62;
}
.page-privacy .pv-summary__title {
  margin: 0 0 22px;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.page-privacy .pv-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-privacy .pv-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.page-privacy .pv-step__num {
  flex: none;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--og-deep);
  color: var(--og-paper);
  font-family: var(--og-font-mono);
  font-size: 12px;
  line-height: 1.5;
}
.page-privacy .pv-step__text {
  font-size: 15px;
  line-height: 1.78;
}

.page-privacy .pv-details {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #080c1629;
}
.page-privacy .pv-details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  transition: opacity var(--og-fast) var(--og-ease);
}
.page-privacy .pv-details > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pv-details > summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--og-font-mono);
  opacity: 0.6;
}
.page-privacy .pv-details[open] > summary::after {
  content: "－";
}
.page-privacy .pv-details > summary:hover {
  opacity: 0.72;
}
.page-privacy .pv-details__body {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.page-privacy .pv-contact {
  display: grid;
  gap: 10px;
}
.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  font-size: 14.5px;
}
.page-privacy .pv-contact__key {
  min-width: 68px;
  opacity: 0.6;
}
.page-privacy .pv-contact__val {
  font-family: var(--og-font-mono);
  word-break: break-all;
}
.page-privacy .pv-summary .og-copy {
  padding: 2px 10px;
  border: 1px solid #080c1633;
  border-radius: 999px;
  background: transparent;
  color: var(--og-deep);
  font-family: var(--og-font-mono);
  font-size: 14px;
  cursor: pointer;
  transition: background-color var(--og-fast) var(--og-ease), border-color var(--og-fast) var(--og-ease);
}
.page-privacy .pv-summary .og-copy:hover {
  background: #080c160f;
  border-color: #080c1655;
}
.page-privacy .pv-summary__foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.82;
}
.page-privacy .pv-summary__foot a {
  color: var(--og-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-privacy .pv-items--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 30px;
  }
  .page-privacy .pv-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 32px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: end;
    gap: 48px;
  }
  .page-privacy .pv-hero__aside {
    display: block;
  }
  .page-privacy .pv-body {
    grid-template-columns: minmax(184px, 216px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }
  .page-privacy .pv-index {
    position: sticky;
    top: 112px;
    padding: 20px 18px;
  }
  .page-privacy .pv-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
  .page-privacy .pv-index__link {
    width: 100%;
    border-radius: 10px;
    padding: 8px 10px;
  }
}
</main>