.page-privacy {
  --privacy-gutter: 20px;
  --privacy-radius: 2px;
}

.page-privacy .privacy-hero {
  padding-block: 40px 8px;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-privacy .privacy-hero__lead h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: normal;
  color: var(--text);
}

.page-privacy .privacy-hero__lead .lede {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-2);
}

.page-privacy .privacy-hero__stamp {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.page-privacy .privacy-hero__frame {
  margin: 0;
  border-radius: var(--privacy-radius);
}

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

.page-privacy .privacy-body {
  padding-block: 64px 96px;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 40px;
}

/* ---------- 目录栏 ---------- */

.page-privacy .privacy-toc {
  border-top: 2px solid var(--brand);
  padding-top: 20px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  font-size: var(--fs-14);
  line-height: 1.55;
  color: var(--text-2);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 192, 0.07);
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .privacy-contact-card {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--privacy-radius);
  box-shadow: var(--shadow-paper);
}

.page-privacy .privacy-contact-card__label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--text-3);
}

.page-privacy .privacy-contact-card__note {
  margin: 12px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--text-3);
}

.page-privacy .privacy-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(0, 229, 192, 0.45);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-privacy .privacy-mail:hover,
.page-privacy .privacy-mail:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
  border-bottom-style: solid;
}

/* ---------- 正文 ---------- */

.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-clause {
  scroll-margin-top: calc(var(--header-h) + 28px);
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-clause + .privacy-clause {
  margin-top: 44px;
}

.page-privacy .privacy-clause h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: normal;
  color: var(--text);
}

.page-privacy .privacy-clause__idx {
  flex: none;
  font-size: var(--fs-12);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .privacy-clause h3 {
  margin: 30px 0 12px;
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-privacy .privacy-clause p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-2);
}

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

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

.page-privacy .privacy-list {
  margin: 18px 0 0;
  padding-left: 1.2em;
  display: grid;
  gap: 12px;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-2);
}

.page-privacy .privacy-list li::marker {
  color: var(--brand-soft);
}

.page-privacy .privacy-note {
  margin-top: 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--brand);
  background: linear-gradient(90deg, rgba(27, 77, 255, 0.16), rgba(27, 77, 255, 0));
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .privacy-inline-mail {
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 192, 0.45);
  word-break: break-all;
}

.page-privacy .privacy-inline-mail:hover,
.page-privacy .privacy-inline-mail:focus-visible {
  color: var(--text);
  border-bottom-style: solid;
  border-bottom-color: var(--cyan);
}

/* ---------- 期限列表 ---------- */

.page-privacy .privacy-terms {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: var(--privacy-radius);
  overflow: hidden;
}

.page-privacy .privacy-term {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--surface);
}

.page-privacy .privacy-term__key {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .privacy-term__val {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 折叠块 ---------- */

.page-privacy .privacy-disclosure {
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--privacy-radius);
  transition: border-color 180ms var(--ease);
}

.page-privacy .privacy-disclosure:hover {
  border-color: rgba(0, 229, 192, 0.5);
}

.page-privacy .privacy-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-disclosure summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-disclosure summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--cyan);
  transition: transform 200ms var(--ease);
}

.page-privacy .privacy-disclosure[open] summary::after {
  content: "\2212";
}

.page-privacy .privacy-disclosure .disclosure__body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-disclosure .disclosure__body p {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-2);
}

.page-privacy .privacy-disclosure .privacy-list {
  margin-top: 14px;
  font-size: var(--fs-14);
}

/* ---------- 相关说明 ---------- */

.page-privacy .privacy-foot {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 2px solid var(--brand);
}

.page-privacy .privacy-foot__title {
  margin: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--text-3);
}

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

.page-privacy .privacy-foot__links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .privacy-foot__links a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--brand-soft);
}

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

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-privacy {
    --privacy-gutter: 40px;
  }

  .page-privacy .privacy-hero {
    padding-block: 56px 12px;
  }

  .page-privacy .privacy-term {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
    padding: 18px 22px;
  }
}

/* ---------- 桌面双栏 ---------- */

@media (min-width: 1024px) {
  .page-privacy {
    --privacy-gutter: 64px;
  }

  .page-privacy .privacy-hero {
    padding-block: 72px 16px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 64px;
    align-items: center;
    margin-top: 36px;
  }

  .page-privacy .privacy-body {
    padding-block: 88px 130px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 76px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .privacy-clause {
    padding-top: 40px;
  }

  .page-privacy .privacy-clause + .privacy-clause {
    margin-top: 56px;
  }

  .page-privacy .privacy-doc {
    max-width: 760px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-mail,
  .page-privacy .privacy-inline-mail,
  .page-privacy .privacy-foot__links a,
  .page-privacy .privacy-disclosure,
  .page-privacy .privacy-disclosure summary::after {
    transition: none;
  }
}