.page-privacy {
  --privacy-measure: 68ch;
  padding-bottom: 88px;
}

.page-privacy .privacy-hero {
  padding-top: 28px;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 28px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 20px;
  max-width: 20ch;
}

.page-privacy .privacy-hero .lede {
  max-width: 56ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  margin: 0;
}

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

.page-privacy .privacy-hero__media {
  margin: 0;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: 8px 8px 0 rgba(122, 77, 255, 0.16);
}

.page-privacy .privacy-index {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0 24px;
  margin-bottom: 56px;
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-privacy .privacy-index__item + .privacy-index__item {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-index__item a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 4px;
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  line-height: 1.5;
  transition: color 140ms var(--ease);
}

.page-privacy .privacy-index__item a:hover,
.page-privacy .privacy-index__item a:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-index__item a .mono {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.08em;
  flex: none;
}

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

.page-privacy .privacy-block {
  padding-bottom: 56px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-block:last-of-type {
  border-bottom: 0;
  margin-bottom: 24px;
}

.page-privacy .privacy-block__num {
  color: var(--violet);
  font-size: 13px;
  letter-spacing: 0.14em;
  margin: 0 0 10px;
}

.page-privacy .privacy-block h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 26ch;
}

.page-privacy .privacy-block__intro,
.page-privacy .privacy-block > p {
  max-width: var(--privacy-measure);
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
  margin: 0 0 18px;
}

.page-privacy .privacy-block > p a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 139, 255, 0.4);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

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

.page-privacy .privacy-block__hint {
  margin-top: 22px !important;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 15px !important;
  color: var(--muted-2) !important;
}

/* 信息分类列表 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .privacy-list__item {
  background: var(--ink-2);
  padding: 20px 18px;
}

.page-privacy .privacy-list__key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-privacy .privacy-list__key::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--cyan);
  flex: none;
}

.page-privacy .privacy-list__item p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
  max-width: 60ch;
}

/* 用途卡片 */
.page-privacy .privacy-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-privacy .privacy-uses__card {
  padding: 22px 20px 24px;
  border-left: 3px solid var(--violet);
}

.page-privacy .privacy-uses__card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 10px;
}

.page-privacy .privacy-uses__card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-privacy .privacy-uses__card:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-privacy .privacy-uses__card:nth-child(3) {
  border-left-color: var(--blue);
}

.page-privacy .privacy-uses__card:nth-child(4) {
  border-left-color: var(--amber);
}

/* 存储与权限 */
.page-privacy .privacy-storage {
  margin: 26px 0 24px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-storage__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-storage__key {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.06em;
  margin: 0;
}

.page-privacy .privacy-storage__row p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
  max-width: 60ch;
}

/* 步骤折叠 */
.page-privacy .privacy-steps {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-step {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-privacy .privacy-step[open] {
  border-color: rgba(122, 77, 255, 0.55);
  background: var(--ink-3);
}

.page-privacy .privacy-step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

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

.page-privacy .privacy-step__summary::after {
  content: "+";
  margin-left: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

.page-privacy .privacy-step[open] .privacy-step__summary::after {
  content: "–";
  color: var(--cyan);
}

.page-privacy .privacy-step__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .privacy-step__num {
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 0.08em;
  flex: none;
}

.page-privacy .privacy-step__body {
  padding: 0 18px 18px 18px;
  border-left: 2px solid rgba(53, 242, 214, 0.35);
  margin-left: 18px;
}

.page-privacy .privacy-step__body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 62ch;
}

/* 请求区 */
.page-privacy .privacy-request {
  margin-top: 26px;
  padding: 24px 20px 26px;
  border-left: 3px solid var(--blue);
}

.page-privacy .privacy-request__label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  margin: 0 0 8px;
}

.page-privacy .privacy-request__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}

.page-privacy .privacy-request__mail a {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-privacy .privacy-request__mail a:hover,
.page-privacy .privacy-request__mail a:focus-visible {
  text-decoration: underline;
}

.page-privacy .privacy-request__note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 62ch;
}

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

.page-privacy .privacy-request__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 139, 255, 0.4);
}

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

/* 底部返回 */
.page-privacy .privacy-foot {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-foot__top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

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

.page-privacy .privacy-foot__top .mono {
  color: var(--violet);
  font-size: 14px;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding-top: 48px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
    margin-bottom: 40px;
  }

  .page-privacy .privacy-hero__tags {
    justify-content: flex-end;
    padding-bottom: 8px;
  }

  .page-privacy .privacy-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-privacy .privacy-index__item + .privacy-index__item {
    border-top: 0;
  }

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

  .page-privacy .privacy-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .privacy-storage__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-steps {
    gap: 14px;
  }

  .page-privacy .privacy-step__summary {
    padding: 18px 22px;
    font-size: 17px;
  }

  .page-privacy .privacy-step__body {
    padding: 0 22px 20px 22px;
    margin-left: 22px;
  }

  .page-privacy .privacy-request {
    padding: 30px 32px 32px;
  }

  .page-privacy .privacy-block {
    padding-bottom: 72px;
    margin-bottom: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</main>