/* ===== 数据与隐私 ===== */
.page-privacy {
  --prv-measure: 720px;
  --prv-rail: 200px;
}

/* 页头 */
.page-privacy .prv-head {
  max-width: var(--prv-measure);
  padding: clamp(28px, 5vw, 56px) 0 clamp(20px, 3vw, 32px);
}

.page-privacy .prv-head h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.24;
  letter-spacing: .04em;
  color: var(--white);
  margin: 14px 0 0;
}

.page-privacy .prv-lede {
  margin: 22px 0 0;
  padding-left: 20px;
  border-left: 3px solid var(--gold);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.95;
  color: #C9D2E6;
}

.page-privacy .prv-stamp {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-privacy .prv-stamp span {
  padding: 5px 12px;
  border: 1px solid var(--line);
  background: rgba(19, 27, 54, .6);
}

/* 顶部数据流视觉 */
.page-privacy .prv-hero {
  margin: clamp(24px, 4vw, 44px) 0 clamp(32px, 5.5vw, 62px);
}

.page-privacy .prv-hero .image-frame {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-privacy .prv-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .prv-hero .media-caption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 主布局：左轨 + 窄栏正文 */
.page-privacy .prv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(54px, 9vw, 108px);
}

/* 索引导轨 */
.page-privacy .prv-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.page-privacy .prv-rail .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .prv-rail .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .prv-rail .rail-list > li {
  flex: 0 0 auto;
}

.page-privacy .prv-rail .rail-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: rgba(19, 27, 54, .7);
  font-size: 13.5px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .prv-rail .rail-link:hover,
.page-privacy .prv-rail .rail-link:focus-visible {
  color: var(--gold-soft);
  border-color: rgba(217, 169, 59, .6);
}

.page-privacy .prv-rail .rail-link.is-active {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(217, 169, 59, .1);
}

.page-privacy .prv-rail .rail-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold);
  flex: 0 0 auto;
}

/* 正文窄栏 */
.page-privacy .prv-body {
  min-width: 0;
  max-width: var(--prv-measure);
}

.page-privacy .prv-section {
  padding-top: clamp(28px, 4.5vw, 44px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .prv-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .prv-section + .prv-section {
  margin-top: clamp(30px, 5vw, 54px);
}

.page-privacy .prv-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .prv-section-num {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid rgba(217, 169, 59, .5);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-privacy .prv-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.8vw, 29px);
  line-height: 1.36;
  letter-spacing: .03em;
  color: var(--white);
}

.page-privacy .prv-body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.95;
  color: #C7D0E4;
}

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

.page-privacy .prv-body a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 169, 59, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .prv-body a:hover,
.page-privacy .prv-body a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--gold);
}

/* 等宽标签条目 */
.page-privacy .prv-spec {
  margin: 0 0 22px;
  border-top: 1px solid var(--line);
}

.page-privacy .prv-spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .prv-spec dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--jade);
}

.page-privacy .prv-spec dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: #B9C4DC;
}

.page-privacy .prv-contact dd {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--gold-soft);
}

/* 金色条款引用块 */
.page-privacy .prv-clause {
  margin: 24px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(217, 169, 59, .1), rgba(217, 169, 59, 0) 88%);
}

.page-privacy .prv-clause p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--gold-soft);
}

/* 可展开流程 */
.page-privacy .prv-disclosure {
  margin-top: 26px;
  border: 1px solid var(--line);
  background: rgba(19, 27, 54, .75);
}

.page-privacy .prv-disclosure-trigger {
  width: 100%;
  padding: 16px 20px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--white);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-privacy .prv-disclosure-trigger:hover,
.page-privacy .prv-disclosure-trigger:focus-visible {
  color: var(--gold-soft);
}

.page-privacy .prv-disclosure-panel {
  border-top: 1px solid var(--line);
  padding: 18px 20px 20px;
}

.page-privacy .prv-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .prv-steps li {
  display: grid;
  gap: 6px;
  font-size: 15px;
  line-height: 1.85;
  color: #B9C4DC;
}

.page-privacy .prv-step-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--jade);
}

/* 桌面：左轨固定，正文窄栏 */
@media (min-width: 940px) {
  .page-privacy .prv-layout {
    grid-template-columns: var(--prv-rail) minmax(0, var(--prv-measure));
    align-items: start;
  }

  .page-privacy .prv-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    border-top: 0;
    border-bottom: 0;
    padding: 0;
  }

  .page-privacy .prv-rail .rail-list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .prv-rail .rail-list > li + li {
    margin-top: 2px;
  }

  .page-privacy .prv-rail .rail-link {
    border: 0;
    border-left: 2px solid var(--line);
    background: none;
    padding: 9px 0 9px 14px;
    white-space: normal;
    font-size: 14px;
  }

  .page-privacy .prv-rail .rail-link:hover,
  .page-privacy .prv-rail .rail-link:focus-visible {
    border-left-color: var(--gold);
    padding-left: 20px;
  }

  .page-privacy .prv-rail .rail-link.is-active {
    border-left-color: var(--gold);
    background: none;
    padding-left: 20px;
  }

  .page-privacy .prv-spec-row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 1180px) {
  .page-privacy .prv-spec-row {
    grid-template-columns: 196px minmax(0, 1fr);
  }
}

/* 窄屏细节 */
@media (max-width: 480px) {
  .page-privacy .prv-section-head {
    flex-wrap: wrap;
    gap: 10px;
  }

  .page-privacy .prv-lede {
    padding-left: 15px;
  }

  .page-privacy .prv-clause {
    padding: 15px 16px;
  }
}