.page-privacy {
  --pp-col: 760px;
  color: var(--og-text);
  padding: 104px 0 72px;
  background: var(--og-void);
}

.page-privacy [id] {
  scroll-margin-top: 110px;
}

.page-privacy .og-breadcrumb {
  max-width: var(--pp-col);
  margin: 0 auto 22px;
  color: var(--og-muted);
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.06em;
}

.page-privacy .og-breadcrumb__item {
  color: var(--og-muted);
  text-decoration: none;
}

.page-privacy a.og-breadcrumb__item:hover {
  color: var(--og-cyan);
}

/* 页首 */
.pp-head {
  max-width: var(--pp-col);
  margin: 0 auto;
  border-top: 2px solid var(--og-line);
  padding-top: 24px;
}

.pp-head .og-kicker {
  color: var(--og-amber);
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.1em;
  margin: 0 0 12px;
}

.pp-title {
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--og-text);
}

.pp-lead {
  font-size: var(--og-fs-16);
  line-height: 1.85;
  color: var(--og-text);
  margin: 0;
  max-width: 62ch;
}

.pp-head .og-meta {
  margin: 18px 0 0;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.06em;
  color: var(--og-muted);
}

/* 摘要条 */
.pp-summary {
  position: relative;
  max-width: 1024px;
  margin: 40px auto 56px;
  padding: 20px;
  display: grid;
  gap: 20px;
  background: var(--og-panel);
  border: 2px solid var(--og-line);
  box-shadow: 4px 4px 0 rgba(53, 227, 210, 0.35);
}

.pp-summary::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: linear-gradient(90deg, var(--og-cyan), var(--og-magenta));
}

.pp-summary__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pp-summary__body .og-kicker {
  margin: 0;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.1em;
  color: var(--og-magenta);
}

.pp-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pp-chip {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--og-line);
  color: var(--og-text);
  text-decoration: none;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.06em;
  transition: border-color 140ms ease-out, color 140ms ease-out, background-color 140ms ease-out;
}

.pp-chip:hover,
.pp-chip:focus-visible {
  border-color: var(--og-cyan);
  color: var(--og-cyan);
  background: rgba(53, 227, 210, 0.08);
}

.pp-summary__note {
  margin: 0;
  color: var(--og-muted);
  font-size: var(--og-fs-14);
  line-height: 1.75;
}

.pp-summary__fig {
  margin: 0;
  border: 1px solid var(--og-line);
  overflow: hidden;
}

.pp-summary__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

/* 正文窄栏与左侧刻度线 */
.pp-doc {
  max-width: var(--pp-col);
  margin: 0 auto;
  border-left: 1px solid var(--og-line);
  padding-left: 20px;
}

.pp-sec {
  position: relative;
  padding: 0;
}

.pp-sec + .pp-sec {
  margin-top: 44px;
  padding-top: 44px;
  border-top: 1px solid var(--og-line);
}

.pp-sec::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 2px;
  height: 16px;
  background: linear-gradient(180deg, var(--og-cyan), var(--og-magenta));
}

.pp-sec__label {
  margin: 0 0 10px;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.1em;
  color: var(--og-amber);
}

.pp-sec__title {
  font-size: clamp(22px, 3.6vw, 28px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--og-text);
}

.pp-sec__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 140ms ease-out, border-color 140ms ease-out;
}

.pp-sec__title a:hover,
.pp-sec__title a:focus-visible {
  color: var(--og-cyan);
  border-bottom-color: var(--og-cyan);
}

.pp-sec p {
  margin: 0 0 14px;
  font-size: var(--og-fs-16);
  line-height: 1.85;
  color: var(--og-text);
}

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

.pp-item {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--og-line);
}

.pp-item__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 8px;
  font-size: var(--og-fs-16);
  font-weight: 700;
  color: var(--og-text);
}

.pp-item__title::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--og-cyan);
  transform: translateY(-1px);
}

.pp-item p {
  margin: 0;
}

.pp-mark {
  font-weight: 600;
  color: var(--og-text);
  box-shadow: inset 0 -2px 0 var(--og-cyan);
}

.pp-link {
  color: var(--og-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 210, 0.5);
  transition: border-color 140ms ease-out, color 140ms ease-out;
}

.pp-link:hover,
.pp-link:focus-visible {
  color: var(--og-text);
  border-bottom-color: var(--og-text);
}

.pp-link--ink {
  color: var(--og-rust);
  border-bottom-color: var(--og-rust);
}

.pp-link--ink:hover,
.pp-link--ink:focus-visible {
  color: var(--og-brown);
  border-bottom-color: var(--og-brown);
}

/* 列表 */
.pp-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pp-list li {
  font-size: var(--og-fs-16);
  line-height: 1.8;
  color: var(--og-text);
  padding-left: 14px;
  border-left: 2px solid var(--og-line);
}

.pp-list li:hover {
  border-left-color: var(--og-cyan);
}

.pp-list__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.08em;
  color: var(--og-cyan);
}

/* 编号步骤 */
.pp-steps {
  counter-reset: ppstep;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pp-steps li {
  counter-increment: ppstep;
  position: relative;
  padding-left: 40px;
  font-size: var(--og-fs-16);
  line-height: 1.8;
  color: var(--og-text);
}

.pp-steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-14);
  letter-spacing: 0.06em;
  color: var(--og-rust);
}

/* 联系方式 */
.pp-contact {
  margin-top: 20px;
  padding: 22px;
  background: var(--og-cream);
  color: var(--og-brown);
  border: 2px solid var(--og-cream);
  box-shadow: 4px 4px 0 rgba(242, 233, 216, 0.22);
}

.pp-contact__label {
  margin: 0 0 6px;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-12);
  letter-spacing: 0.1em;
  color: var(--og-rust);
}

.pp-contact__mail {
  margin: 0 0 12px;
  font-family: var(--og-font-mono);
  font-size: var(--og-fs-16);
  letter-spacing: 0.02em;
  color: var(--og-brown);
  word-break: break-all;
  border-bottom: 2px solid var(--og-rust);
  display: inline-block;
}

.pp-contact p {
  color: var(--og-brown);
  font-size: var(--og-fs-14);
  line-height: 1.8;
}

.pp-tail {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-privacy {
    padding-top: 128px;
    padding-bottom: 88px;
  }

  .pp-doc {
    padding-left: 34px;
  }

  .pp-sec::before {
    left: -38px;
  }

  .pp-sec + .pp-sec {
    margin-top: 56px;
    padding-top: 56px;
  }

  .pp-contact {
    padding: 28px;
  }
}

@media (min-width: 900px) {
  .pp-summary {
    grid-template-columns: 1.45fr 1fr;
    align-items: center;
    padding: 28px;
    gap: 28px;
  }

  .pp-summary__fig {
    align-self: stretch;
  }

  .pp-summary__fig img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-chip,
  .pp-link,
  .pp-sec__title a {
    transition-duration: 120ms;
  }
}