.page-privacy {
  --privacy-measure: 66ch;
  --privacy-toc-w: 244px;
  --privacy-toc-top: calc(var(--shell-h) + 26px);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding-top: clamp(24px, 4.5vw, 60px);
  padding-bottom: clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-privacy .privacy-hero__copy {
  min-width: 0;
  max-width: 640px;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 22px 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-neon);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 0;
  min-width: 0;
  align-self: end;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-privacy .privacy-hero__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--c-ink);
  opacity: .6;
}

/* ---------- 主体双栏 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  padding-top: clamp(34px, 6vw, 72px);
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-privacy .privacy-toc {
  min-width: 0;
  padding: 16px 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: 3px;
}

.page-privacy .privacy-toc__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-ink);
  opacity: .5;
}

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

.page-privacy .privacy-toc__item {
  flex: none;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  background: var(--c-deep);
  border-color: var(--c-muted);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-ink);
  opacity: .55;
}

.page-privacy .privacy-toc__label {
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-ink);
  opacity: .78;
}

.page-privacy .privacy-toc__link.is-active {
  background: var(--c-moss);
  border-color: var(--c-neon);
}

.page-privacy .privacy-toc__link.is-active .privacy-toc__num,
.page-privacy .privacy-toc__link.is-active .privacy-toc__label {
  color: var(--c-neon);
  opacity: 1;
}

.page-privacy .privacy-content {
  min-width: 0;
  max-width: var(--privacy-measure);
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-chapter {
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(26px, 4.5vw, 44px);
  border-top: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--shell-h) + 28px);
}

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

.page-privacy .privacy-chapter__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: 14px;
}

.page-privacy .privacy-chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-ink);
  opacity: .2;
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-privacy .privacy-chapter__summary {
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding-left: 16px;
  border-left: 2px solid var(--c-neon);
  font-size: 16px;
  line-height: 1.76;
  color: var(--c-muted);
}

.page-privacy .privacy-chapter__body > *:last-child {
  margin-bottom: 0;
}

/* ---------- 要点块 ---------- */

.page-privacy .privacy-block {
  padding: 20px 20px 22px;
  margin-bottom: 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: 3px;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-block:hover {
  background: var(--c-deep);
  border-color: var(--c-muted);
}

.page-privacy .privacy-block__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--c-ink);
}

.page-privacy .privacy-block__title::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--c-line);
  transform: rotate(45deg);
  transition: background-color .2s var(--ease);
}

.page-privacy .privacy-block:hover .privacy-block__title::before {
  background: var(--c-neon);
}

.page-privacy .privacy-list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list__item {
  display: grid;
  gap: 5px;
}

.page-privacy .privacy-list__term {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-ink);
}

.page-privacy .privacy-list__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--c-muted);
}

.page-privacy .privacy-foot {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-line);
  font-size: 16px;
  line-height: 1.76;
  color: var(--c-muted);
}

/* ---------- 联系块 ---------- */

.page-privacy .privacy-contact {
  margin-top: 18px;
  padding: 22px 20px;
  background: var(--c-moss);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-neon);
  border-radius: 3px;
}

.page-privacy .privacy-contact p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.76;
  color: var(--c-muted);
}

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

.page-privacy .privacy-contact__title {
  font-weight: 700;
  color: var(--c-ink) !important;
}

.page-privacy .privacy-contact__mail {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-neon);
  word-break: break-all;
}

.page-privacy .privacy-contact a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-muted);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-privacy .privacy-contact a:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

.page-privacy .privacy-contact a:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: end;
  }

  .page-privacy .privacy-hero__figure {
    margin-bottom: 4px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: clamp(44px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--privacy-toc-top);
    max-height: calc(100vh - var(--shell-h) - 56px);
    overflow-y: auto;
    padding: 20px 18px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__item {
    flex: initial;
  }

  .page-privacy .privacy-toc__link {
    padding: 10px 10px 10px 14px;
    border: none;
    border-left: 2px solid var(--c-line);
    border-radius: 0;
    white-space: normal;
  }

  .page-privacy .privacy-toc__link:hover {
    background: transparent;
    border-left-color: var(--c-muted);
  }

  .page-privacy .privacy-toc__link.is-active {
    background: transparent;
    border-left-color: var(--c-neon);
  }

  .page-privacy .privacy-block {
    padding: 24px 24px 26px;
  }
}

@media (min-width: 1320px) {
  .page-privacy .privacy-hero__figure img {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-block,
  .page-privacy .privacy-block__title::before,
  .page-privacy .privacy-contact a {
    transition: none;
  }
}