.page-privacy {
  --pw-measure: 38rem;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 5vw, 3.25rem) clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -34%;
  right: -22%;
  width: min(660px, 92vw);
  height: min(660px, 92vw);
  background: radial-gradient(closest-side, rgba(53, 228, 208, 0.13), rgba(53, 228, 208, 0) 72%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-700), var(--line-400) 48%, var(--gold-700));
  opacity: 0.55;
}

.page-privacy .privacy-hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-privacy .privacy-hero h1 {
  margin: 0.7rem 0 0;
}

.page-privacy .privacy-hero .lede {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  color: var(--text-400);
  line-height: 1.9;
}

.page-privacy .privacy-hero__meta {
  display: grid;
  gap: 1rem;
}

/* 版本标识与悬浮说明 */
.page-privacy .doc-version {
  position: relative;
  border: 1px solid var(--line-400);
  border-left: 2px solid var(--cyan-400);
  background: var(--ink-800);
  padding: 0.85rem 1rem;
  outline: none;
}

.page-privacy .doc-version:focus-visible {
  border-color: var(--cyan-700);
}

.page-privacy .doc-version__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-400);
}

.page-privacy .doc-version__value {
  display: block;
  font-size: 1.6rem;
  line-height: 1.15;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.page-privacy .doc-version__note {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-400);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-privacy .doc-version:hover .doc-version__note,
.page-privacy .doc-version:focus .doc-version__note,
.page-privacy .doc-version:focus-within .doc-version__note {
  max-height: 8rem;
  opacity: 1;
  margin-top: 0.6rem;
}

/* 首屏键值表 */
.page-privacy .meta-list {
  margin: 0;
  border-top: 1px solid var(--line-400);
}

.page-privacy .meta-list__row {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-400);
}

.page-privacy .meta-list dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-400);
}

.page-privacy .meta-list dd {
  margin: 0;
  font-size: 14px;
  color: var(--text-100);
  overflow-wrap: anywhere;
}

/* 首图 */
.page-privacy .privacy-figure {
  margin: 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 窄栏加侧注结构 */
.page-privacy .privacy-body {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 2.25rem;
}

.page-privacy .privacy-article {
  max-width: var(--pw-measure);
}

.page-privacy .privacy-toc {
  order: -1;
  border: 1px solid var(--line-400);
  background: var(--ink-800);
  padding: 1rem 1rem 1.15rem;
}

/* 条款章节 */
.page-privacy .psec {
  border-top: 1px solid var(--line-400);
  padding-top: 1.65rem;
}

.page-privacy .psec + .psec {
  margin-top: 2.4rem;
}

.page-privacy .psec__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}

.page-privacy .psec__no {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--text-400);
}

.page-privacy .psec__title {
  margin: 0;
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-100);
}

.page-privacy .psec__body {
  margin-top: 1rem;
}

.page-privacy .psec__body p {
  margin: 0 0 1.1em;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text-100);
}

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

/* 首字下沉，仅第一段 */
.page-privacy .prose-drop::first-letter {
  float: left;
  font-size: 3rem;
  line-height: 0.92;
  font-weight: 700;
  margin: 0.12em 0.55rem 0 0;
  color: var(--cyan-400);
}

/* 悬挂缩进条款列表 */
.page-privacy .clause-list {
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-privacy .clause-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  align-items: start;
}

.page-privacy .clause-list__no {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--text-400);
  padding-top: 0.42em;
}

.page-privacy .clause-list__text {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-100);
}

.page-privacy .clause-list__text strong {
  font-weight: 600;
  color: var(--text-100);
}

/* 侧注 */
.page-privacy .side-note {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 1px solid var(--line-400);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-400);
}

.page-privacy .side-note__label {
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

/* 章节索引 */
.page-privacy .toc {
  display: flex;
  flex-direction: column;
  margin-top: 0.75rem;
}

.page-privacy .toc__link {
  display: block;
  padding: 0.42rem 0.5rem 0.42rem 0.85rem;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-400);
  text-decoration: none;
  border-left: 1px solid var(--line-400);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-privacy .toc__link:hover {
  color: var(--text-100);
  border-left-color: var(--cyan-700);
  padding-left: 1rem;
}

.page-privacy .toc__link[aria-current="true"] {
  color: var(--text-100);
  border-left: 2px solid var(--cyan-400);
  padding-left: 1rem;
}

.page-privacy .privacy-top-link {
  display: inline-block;
  margin-top: 1.1rem;
  padding-bottom: 0.15rem;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-400);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-top-link:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* 联系块与收束 */
.page-privacy .privacy-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 0.9rem;
  margin: 1.35rem 0;
  padding: 0.85rem 1rem;
  background: var(--ink-800);
  border: 1px solid var(--line-400);
  border-left: 2px solid var(--cyan-400);
}

.page-privacy .privacy-contact__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-400);
}

.page-privacy .privacy-contact__value {
  font-size: 15px;
  color: var(--text-100);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-end-rule {
  height: 1px;
  margin-top: 2.75rem;
  background: linear-gradient(90deg, var(--cyan-400), var(--line-400) 48%, var(--gold-400));
  opacity: 0.55;
}

.page-privacy .privacy-links-title {
  margin: 1.6rem 0 0.85rem;
}

.page-privacy .privacy-links {
  display: grid;
  gap: 1px;
  background: var(--line-400);
  border: 1px solid var(--line-400);
}

.page-privacy .privacy-links__item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1rem;
  background: var(--ink-800);
  color: var(--text-100);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-links__item:hover {
  background: var(--ink-700);
  color: var(--cyan-400);
}

.page-privacy .privacy-links__no {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-400);
}

/* 桌面 */
@media (min-width: 640px) {
  .page-privacy .privacy-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-privacy .meta-list__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 15rem;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    order: 0;
    position: sticky;
    top: 5.75rem;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-version__note,
  .page-privacy .toc__link,
  .page-privacy .privacy-top-link,
  .page-privacy .privacy-links__item {
    transition: none;
  }
}