.page-privacy {
  --pv-shell: 1060px;
  --pv-col: 70ch;
  position: relative;
  display: block;
  padding-bottom: 56px;
}

.page-privacy .privacy-shell {
  width: 100%;
  max-width: var(--pv-shell);
  margin-inline: auto;
  padding-inline: 18px;
}

@media (min-width: 720px) {
  .page-privacy .privacy-shell {
    padding-inline: 34px;
  }
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  padding: 24px 0 30px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(620px 260px at 92% -12%, rgba(108, 59, 255, 0.3), transparent 70%),
    radial-gradient(420px 220px at 2% 112%, rgba(0, 240, 200, 0.12), transparent 72%);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 12px 0 16px;
  max-width: 22ch;
}

.page-privacy .privacy-hero__lead {
  max-width: 64ch;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: 40px 0 46px;
  }

  .page-privacy .privacy-hero__lead {
    font-size: 17px;
  }
}

/* ---------- 顶部横幅图 ---------- */

.page-privacy .privacy-banner {
  margin: 24px 0 0;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-card);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.page-privacy .privacy-banner__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

@media (min-width: 900px) {
  .page-privacy .privacy-banner {
    margin-top: 32px;
  }
}

/* ---------- 条款布局 ---------- */

.page-privacy .clause-layout {
  display: grid;
  gap: 26px;
  padding: 30px 0 24px;
}

@media (min-width: 900px) {
  .page-privacy .clause-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 60px;
    padding: 52px 0 40px;
  }
}

/* ---------- 条款索引 ---------- */

.page-privacy .clause-index__title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-privacy .clause-index__list {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .clause-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .clause-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-privacy .clause-index__link .mono {
  color: var(--purple-lift);
  font-size: 12px;
}

.page-privacy .clause-index__link:hover,
.page-privacy .clause-index__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
  background: var(--ink-700);
}

@media (min-width: 900px) {
  .page-privacy .clause-index {
    position: sticky;
    top: 40px;
    align-self: start;
  }

  .page-privacy .clause-index__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .clause-index__link {
    background: transparent;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 9px 0 9px 12px;
    white-space: normal;
  }

  .page-privacy .clause-index__link:hover,
  .page-privacy .clause-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: transparent;
  }
}

/* ---------- 条款条目 ---------- */

.page-privacy .clause {
  border-top: 1px solid var(--line-soft);
  padding: 26px 0 30px;
  scroll-margin-top: 26px;
}

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

.page-privacy .clause__num {
  margin: 0 0 8px;
  color: var(--purple-lift);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-privacy .clause__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .clause__lead {
  max-width: var(--pv-col);
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .clause__lead a,
.page-privacy .clause__note a,
.page-privacy .fold__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause__note {
  max-width: var(--pv-col);
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 要点列表 ---------- */

.page-privacy .info-list {
  list-style: none;
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.page-privacy .info-item {
  padding-left: 15px;
  border-left: 3px solid var(--cyan);
}

.page-privacy .info-item__name {
  margin: 0 0 5px;
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-privacy .info-item__text {
  max-width: 48ch;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

@media (min-width: 720px) {
  .page-privacy .info-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 30px;
  }
}

/* ---------- 折叠补充 ---------- */

.page-privacy .clause .fold {
  margin-top: 20px;
  max-width: var(--pv-col);
}

.page-privacy .clause .fold__body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 联系面板 ---------- */

.page-privacy .contact-panel {
  max-width: var(--pv-col);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(108, 59, 255, 0.16), rgba(13, 15, 26, 0.9) 58%);
  box-shadow: var(--shadow-card);
  padding: 4px 16px;
}

.page-privacy .contact-panel__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .contact-panel__row:first-child {
  border-top: 0;
}

.page-privacy .contact-panel__key {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-privacy .contact-panel__val {
  color: var(--white);
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
}

.page-privacy a.contact-panel__val {
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy a.contact-panel__val:hover,
.page-privacy a.contact-panel__val:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 640px) {
  .page-privacy .contact-panel__row {
    grid-template-columns: 122px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 返回顶部 ---------- */

.page-privacy .back-top {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 40;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  color: var(--white);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-privacy .back-top:hover,
.page-privacy .back-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-privacy .back-top {
    right: 26px;
    bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause-index__link,
  .page-privacy .back-top {
    transition: none;
  }
}