.page-privacy {
  --prv-measure: 68ch;
  --prv-gap: clamp(44px, 8vw, 88px);
  background: var(--ink);
  color: var(--chalk);
  overflow-x: clip;
}

/* 顶部面包屑 */
.page-privacy .prv-top {
  padding-top: clamp(14px, 3vw, 24px);
}

/* 页首纹理层 */
.page-privacy .prv-hero {
  position: relative;
  margin-top: clamp(10px, 2vw, 18px);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-privacy .prv-hero__img {
  display: block;
  width: 100%;
  height: clamp(340px, 56vw, 460px);
  object-fit: cover;
  filter: saturate(.7);
}

.page-privacy .prv-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    172deg,
    rgba(10, 26, 22, 0.58) 0%,
    rgba(10, 26, 22, 0.84) 48%,
    var(--ink) 100%
  );
}

.page-privacy .prv-hero__slash {
  position: absolute;
  top: 0;
  right: clamp(10%, 20vw, 28%);
  width: 2px;
  height: clamp(64px, 15vw, 128px);
  background: linear-gradient(180deg, var(--flag) 0%, rgba(255, 75, 31, 0) 100%);
  transform: rotate(12deg);
  transform-origin: top center;
  pointer-events: none;
  z-index: 2;
}

.page-privacy .prv-hero__inner {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(24px, 5vw, 46px);
  z-index: 3;
}

.page-privacy .prv-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(12px, 2vw, 18px);
  color: var(--flag);
  letter-spacing: 0.16em;
}

.page-privacy .prv-hero__eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--flag);
  flex: none;
}

.page-privacy .prv-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: 0.015em;
  max-width: 22ch;
  color: var(--chalk);
}

.page-privacy .prv-hero__lead {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 56ch;
  color: var(--steel);
  line-height: 1.8;
}

/* 双列：窄栏长文 + 章节索引 */
.page-privacy .prv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prv-gap);
  padding-top: clamp(40px, 7vw, 72px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

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

/* 章节 */
.page-privacy .prv-sec + .prv-sec {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: clamp(4px, 1vw, 8px);
}

.page-privacy .prv-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(16px, 2.4vw, 24px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .prv-sec__num {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 160ms var(--ease);
}

.page-privacy .prv-sec:hover .prv-sec__num {
  color: var(--flag);
}

.page-privacy .prv-sec__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.16rem, 2.3vw, 1.48rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-privacy .prv-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(22px, 3vw, 28px) 0 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  color: var(--chalk);
}

.page-privacy .prv-sub::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--flag);
}

/* 正文段落 */
.page-privacy .prv-body p {
  margin: 0 0 clamp(14px, 2vw, 20px);
  max-width: 68ch;
  line-height: 1.85;
  color: rgba(242, 246, 245, 0.84);
}

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

/* 列表 */
.page-privacy .prv-list {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-privacy .prv-list > li {
  position: relative;
  padding-left: 22px;
  line-height: 1.75;
  color: rgba(242, 246, 245, 0.82);
}

.page-privacy .prv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 10px;
  height: 2px;
  background: var(--flag-2);
}

/* 关键条款引用块 */
.page-privacy .prv-callout {
  margin: clamp(18px, 3vw, 26px) 0;
  padding: clamp(14px, 2.4vw, 20px) clamp(16px, 2.6vw, 24px);
  max-width: 68ch;
  border-left: 2px solid var(--flag);
  border-radius: 0 var(--r-square) var(--r-square) 0;
  background: linear-gradient(90deg, rgba(255, 75, 31, 0.09) 0%, rgba(255, 75, 31, 0) 72%);
}

.page-privacy .prv-callout p {
  margin: 0;
  color: var(--chalk);
  line-height: 1.82;
}

/* 字段对照行 */
.page-privacy .prv-fields {
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  max-width: 68ch;
  border: 1px solid var(--line);
  border-radius: var(--r-square);
  overflow: hidden;
}

.page-privacy .prv-fields__row {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: rgba(22, 52, 43, 0.4);
}

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

.page-privacy .prv-fields__key {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.page-privacy .prv-fields__val {
  font-size: 0.95rem;
  line-height: 1.72;
  color: rgba(242, 246, 245, 0.84);
}

/* 局部展开 */
.page-privacy .prv-more {
  margin: clamp(18px, 2.8vw, 24px) 0 0;
  max-width: 68ch;
  border: 1px solid var(--line);
  border-radius: var(--r-square);
  background: rgba(22, 52, 43, 0.28);
}

.page-privacy .prv-more[open] {
  background: rgba(22, 52, 43, 0.42);
}

.page-privacy .prv-more__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

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

.page-privacy .prv-more__sum::after {
  content: "＋";
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1;
  color: var(--flag);
  flex: none;
}

.page-privacy .prv-more[open] .prv-more__sum::after {
  content: "－";
}

.page-privacy .prv-more__sum:hover {
  color: var(--chalk);
}

.page-privacy .prv-more__body {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .prv-more__body .prv-fields {
  margin-bottom: 0;
  border-color: rgba(159, 184, 196, 0.16);
}

/* 锚点索引（移动端不展示） */
.page-privacy .prv-rail {
  display: none;
}

.page-privacy .prv-rail__title {
  margin: 0 0 14px;
  color: var(--steel);
  letter-spacing: 0.14em;
}

.page-privacy .prv-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.page-privacy .dj-rail__link {
  display: block;
  padding: 7px 0 7px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--steel);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .dj-rail__link:hover,
.page-privacy .dj-rail__link.is-active,
.page-privacy .dj-rail__link[aria-current="true"] {
  color: var(--chalk);
  border-left-color: var(--flag);
}

/* 底部版本线 */
.page-privacy .prv-version {
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-privacy .prv-version__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* 焦点可见性 */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--flag);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 桌面：非对称双列，索引列 sticky */
@media (min-width: 1024px) {
  .page-privacy .prv-layout {
    grid-template-columns: minmax(0, 1fr) 196px;
    column-gap: clamp(32px, 5vw, 72px);
  }

  .page-privacy .prv-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

@media (min-width: 640px) {
  .page-privacy .prv-fields__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
    padding: 14px 18px;
  }

  .page-privacy .prv-more__sum {
    padding: 15px 18px;
  }

  .page-privacy .prv-more__body {
    padding: 16px 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-sec__num,
  .page-privacy .dj-rail__link {
    transition: none;
  }
}