.page-privacy {
  --privacy-line: rgba(74, 88, 114, 0.55);
  --privacy-line-soft: rgba(74, 88, 114, 0.3);
  --privacy-read: 68ch;
  --privacy-num-col: 84px;
  display: block;
}

.page-privacy .privacy-hero {
  padding-top: clamp(12px, 2.5vw, 28px);
}

/* 框景首屏 */
.page-privacy .privacy-frame {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 24px 18px 20px;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 105% -10%, rgba(34, 231, 200, 0.1), transparent 52%),
    linear-gradient(165deg, var(--deep) 0%, var(--panel) 100%);
  overflow: hidden;
}

.page-privacy .privacy-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(74, 88, 114, 0.18) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(74, 88, 114, 0.1) 0 1px, transparent 1px 64px);
  pointer-events: none;
  opacity: 0.6;
}

.page-privacy .privacy-frame > * {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-frame-rail {
  display: none;
}

.page-privacy .privacy-frame-body h1 {
  margin: 8px 0 14px;
  font-size: clamp(38px, 8vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .privacy-frame-body .lede {
  max-width: var(--privacy-read);
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.page-privacy .privacy-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--privacy-line-soft);
}

.page-privacy .privacy-metrics .metric-value {
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-hero-media {
  margin: 0;
  border: 1px solid var(--privacy-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .privacy-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.66) brightness(0.86);
}

/* 条款索引 */
.page-privacy .privacy-index {
  position: sticky;
  top: 74px;
  z-index: 6;
  margin-top: clamp(20px, 4vw, 34px);
  border-block: 1px solid var(--privacy-line-soft);
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(10px);
}

.page-privacy .privacy-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .privacy-index-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--privacy-line-soft);
  border-radius: var(--pill);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-privacy .privacy-index-list a:hover,
.page-privacy .privacy-index-list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(34, 231, 200, 0.08);
}

.page-privacy .privacy-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* 条款正文 */
.page-privacy .privacy-clauses {
  padding-block: clamp(8px, 2vw, 18px) clamp(28px, 5vw, 48px);
}

.page-privacy .privacy-clause {
  scroll-margin-top: 140px;
  padding: clamp(26px, 5vw, 42px) 0;
  border-bottom: 1px solid var(--privacy-line-soft);
}

.page-privacy .privacy-clause:last-child {
  border-bottom: none;
}

.page-privacy .privacy-clause-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .privacy-clause-main h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-clause-lead {
  max-width: var(--privacy-read);
  margin: 0 0 18px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .privacy-clause-more {
  border-top: 1px dashed var(--privacy-line-soft);
  padding-top: 14px;
}

.page-privacy .privacy-clause-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transition: color var(--dur) ease;
}

.page-privacy .privacy-clause-more > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-clause-more > summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  height: 16px;
  line-height: 15px;
  text-align: center;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 11px;
}

.page-privacy .privacy-clause-more[open] > summary::before {
  content: "–";
}

.page-privacy .privacy-clause-more > summary:hover {
  color: var(--text);
}

.page-privacy .privacy-clause-body {
  max-width: 72ch;
  padding-top: 14px;
}

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

.page-privacy .privacy-list li {
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .privacy-key {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  border: 1px solid var(--privacy-line-soft);
  border-radius: 2px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  vertical-align: 1px;
}

/* 留白休息带 */
.page-privacy .privacy-rest {
  padding-block: clamp(48px, 9vw, 104px);
  background: var(--ink);
}

.page-privacy .privacy-rest-inner {
  max-width: 74ch;
}

.page-privacy .privacy-rest-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-rest-inner p {
  margin: 0 0 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-rest-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
}

.page-privacy .privacy-rest-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--dur) ease;
}

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

/* 联系入口 */
.page-privacy .privacy-contact {
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-privacy .privacy-contact-card {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--privacy-line);
  background:
    linear-gradient(135deg, rgba(34, 231, 200, 0.06), transparent 58%),
    var(--panel);
}

.page-privacy .privacy-contact-card h2 {
  margin: 10px 0 14px;
  max-width: 40ch;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-contact-text {
  max-width: var(--privacy-read);
  margin: 0 0 22px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-contact-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 24px;
  padding-top: 18px;
  border-top: 1px solid var(--privacy-line-soft);
}

.page-privacy .privacy-contact-mail .contact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text);
  word-break: break-all;
}

@media (min-width: 900px) {
  .page-privacy .privacy-frame {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 26px 30px;
    padding: 36px 36px 36px 0;
  }

  .page-privacy .privacy-frame-rail {
    display: flex;
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 6px 0;
    border-right: 1px solid var(--privacy-line-soft);
  }

  .page-privacy .privacy-frame-rail .rail-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-privacy .privacy-frame-body,
  .page-privacy .privacy-hero-media {
    grid-column: 2;
  }

  .page-privacy .privacy-hero-media img {
    max-height: 300px;
  }

  .page-privacy .privacy-clause {
    display: grid;
    grid-template-columns: var(--privacy-num-col) minmax(0, 1fr);
    gap: 0 28px;
  }

  .page-privacy .privacy-clause-num {
    align-self: start;
    margin: 8px 0 0;
    padding-right: 20px;
    font-size: 15px;
    text-align: right;
    border-right: 1px solid var(--privacy-line-soft);
  }

  .page-privacy .privacy-clause-main {
    grid-column: 2;
  }

  .page-privacy .privacy-index {
    top: 86px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-frame {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 30px 40px;
    padding: 44px 46px 44px 0;
  }

  .page-privacy .privacy-clause {
    gap: 0 36px;
    --privacy-num-col: 96px;
  }
}