.page-privacy {
  --pp-col: minmax(0, 1fr);
  --pp-accent-line: rgba(53, 224, 208, 0.34);
  position: relative;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(42, 53, 80, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 53, 80, 0.16) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: 50% 0;
}

/* ---------- 页头 ---------- */

.page-privacy .privacy-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(68px, 10vw, 122px) 0 clamp(36px, 5.4vw, 64px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 140% at 84% -14%, rgba(123, 92, 255, 0.20), transparent 58%),
    radial-gradient(88% 118% at 6% 2%, rgba(53, 224, 208, 0.13), transparent 62%),
    var(--nebula);
}

.page-privacy .masthead-print {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.34;
}

.page-privacy .masthead-print img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.72);
}

.page-privacy .masthead-print::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 22, 0.5) 0%, rgba(6, 10, 22, 0.9) 66%, var(--ink) 100%);
}

.page-privacy .masthead-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb {
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .breadcrumb .crumb-sep {
  margin: 0 8px;
  color: var(--line);
}

.page-privacy .masthead-inner h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 46px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .masthead-lede {
  max-width: 640px;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .masthead-meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-privacy .meta-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-privacy .meta-v {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
}

/* ---------- 双栏骨架 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: var(--pp-col);
  gap: 34px;
  padding: clamp(34px, 5vw, 60px) 0 clamp(72px, 9vw, 128px);
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 706px);
    gap: clamp(38px, 4.6vw, 66px);
    align-items: start;
  }
}

/* ---------- 条款索引 ---------- */

.page-privacy .privacy-toc {
  display: block;
}

.page-privacy .toc {
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.page-privacy .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-privacy .toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .toc-link {
  display: block;
  padding: 6px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--text);
  border-color: var(--aurora);
}

.page-privacy .toc-link.is-active {
  color: var(--aurora);
  border-color: var(--pp-accent-line);
  background: var(--aurora-wash);
}

@media (min-width: 960px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
  }

  .page-privacy .toc {
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .page-privacy .toc-list {
    display: grid;
    gap: 2px;
  }

  .page-privacy .toc-link {
    margin-left: -22px;
    padding: 7px 0 7px 20px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14px;
    background: transparent;
  }

  .page-privacy .toc-link:hover,
  .page-privacy .toc-link:focus-visible {
    border-left-color: var(--line);
  }

  .page-privacy .toc-link.is-active {
    border-left-color: var(--aurora);
    background: transparent;
  }
}

/* ---------- 条款结构 ---------- */

.page-privacy .clause {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .clause-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin-bottom: 18px;
}

@media (min-width: 720px) {
  .page-privacy .clause-head {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.05em;
  color: rgba(154, 167, 188, 0.26);
}

@supports (-webkit-text-stroke: 1px red) {
  .page-privacy .clause-num {
    color: transparent;
    -webkit-text-stroke: 1px var(--line);
  }
}

.page-privacy .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 25px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-privacy .clause-panel {
  max-width: 680px;
}

@media (min-width: 720px) {
  .page-privacy .clause-panel {
    margin-left: 102px;
  }
}

/* ---------- 摘要 / 正文切换 ---------- */

.page-privacy .clause-tabs {
  display: inline-flex;
  gap: 4px;
  margin: 0 0 18px;
  padding: 4px;
  background: var(--stone);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-privacy .clause-tabs .tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.page-privacy .clause-tabs .tab:hover,
.page-privacy .clause-tabs .tab:focus-visible {
  color: var(--text);
}

.page-privacy .clause-tabs .tab[aria-selected="true"] {
  color: var(--aurora);
  background: var(--aurora-wash);
}

.page-privacy .tab-panel[hidden] {
  display: none;
}

/* ---------- 条款排版 ---------- */

.page-privacy .clause-panel p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text);
}

.page-privacy .clause-panel p:last-child {
  margin-bottom: 0;
}

.page-privacy .brief-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .brief-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-privacy .brief-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 9px;
  height: 1px;
  background: var(--aurora);
}

.page-privacy .clause-points {
  counter-reset: pp;
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause-points > li {
  counter-increment: pp;
  position: relative;
  padding-left: 36px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .clause-points > li::before {
  content: counter(pp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.3em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--aurora);
}

.page-privacy .clause-callout {
  margin: 20px 0 0;
  padding: 18px 20px;
  background: var(--stone);
  border-left: 2px solid var(--aurora);
  border-radius: 0 var(--cut) var(--cut) 0;
}

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

.page-privacy .clause-callout strong {
  color: var(--aurora);
  font-weight: 600;
}

.page-privacy .alert-panel {
  margin-top: 20px;
  border-radius: 0 var(--cut) var(--cut) 0;
}

.page-privacy .alert-panel p {
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .alert-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--alert);
}

.page-privacy .alert-panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 联络信息块 ---------- */

.page-privacy .privacy-contact {
  margin-top: 24px;
  padding: 22px;
  background: var(--stone);
  border: 1px solid var(--line);
  border-radius: var(--cut);
}

.page-privacy .privacy-contact-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-privacy .privacy-contact-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-contact-list li {
  display: grid;
  gap: 3px;
}

@media (min-width: 560px) {
  .page-privacy .privacy-contact-list li {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

.page-privacy .pc-k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .pc-v {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .privacy-contact-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 尾段入口 ---------- */

.page-privacy .privacy-tail {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(28px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-tail h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-tail p {
  max-width: 620px;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .tail-links {
  display: grid;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-privacy .tail-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .tail-link {
  display: block;
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  background: var(--stone);
  border: 1px solid var(--line);
  border-radius: var(--cut);
  transition: border-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.page-privacy .tail-link:hover,
.page-privacy .tail-link:focus-visible {
  color: var(--aurora);
  border-color: var(--pp-accent-line);
  transform: translateY(-2px);
}

/* ---------- 返回顶部 ---------- */

.page-privacy .to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(20px, 3vw, 34px);
  z-index: 60;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .tab,
  .page-privacy .tail-link {
    transition: none;
  }

  .page-privacy .tail-link:hover,
  .page-privacy .tail-link:focus-visible {
    transform: none;
  }
}