.page-privacy {
  --pv-ink-soft: #3a424e;
  --pv-tint: #f1f3f7;
  --pv-measure: 700px;
  background: var(--rb-paper);
}

/* ===== 首屏 ===== */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 56px) 0 52px;
  background: var(--rb-ink);
  color: #ffffff;
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pv-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-privacy .pv-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(16, 20, 24, 0.5) 0%, rgba(16, 20, 24, 0.9) 68%, var(--rb-ink) 100%),
    linear-gradient(104deg, rgba(200, 16, 46, 0.34) 0%, rgba(16, 20, 24, 0) 48%, rgba(30, 90, 255, 0.34) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
}

.page-privacy .pv-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--rb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.page-privacy .pv-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.3);
}

.page-privacy .pv-crumbs a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.page-privacy .pv-crumbs a:hover,
.page-privacy .pv-crumbs a:focus-visible {
  color: var(--rb-neon);
}

.page-privacy .pv-hero__kicker {
  color: var(--rb-neon);
}

.page-privacy .pv-hero__title {
  max-width: 15em;
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-privacy .pv-hero__lede {
  max-width: 36em;
  margin: 22px 0 0;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.82);
}

.page-privacy .pv-hero__facts {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  list-style: none;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
}

.page-privacy .pv-hero__facts .mono {
  display: block;
  margin-bottom: 5px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
}

@media (min-width: 780px) {
  .page-privacy .pv-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }
}

/* ===== 双栏骨架 ===== */
.page-privacy .pv-body {
  padding-bottom: 80px;
}

.page-privacy .pv-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 46px;
  padding-top: 56px;
}

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

@media (min-width: 1024px) {
  .page-privacy .pv-shell {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 72px;
    padding-top: 76px;
  }
}

/* ===== 章节 ===== */
.page-privacy .pv-chapter {
  padding: 42px 0 6px;
  border-top: 1px solid var(--rb-line);
}

.page-privacy .pv-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-chapter__head {
  margin-bottom: 20px;
}

@media (min-width: 680px) {
  .page-privacy .pv-chapter__head {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

.page-privacy .pv-chapter .chapter-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--rb-mono);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

@media (min-width: 680px) {
  .page-privacy .pv-chapter .chapter-num {
    margin-bottom: 0;
  }
}

.page-privacy .pv-chapter__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 29px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--rb-ink);
}

.page-privacy .pv-chapter__body p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.76;
  color: var(--pv-ink-soft);
}

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

/* ===== 字段清单 ===== */
.page-privacy .pv-keys {
  margin: 24px 0 26px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rb-line);
}

.page-privacy .pv-keys__item {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rb-line);
}

@media (min-width: 640px) {
  .page-privacy .pv-keys__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-privacy .pv-keys__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rb-grey);
}

.page-privacy .pv-keys__item:nth-child(odd) .pv-keys__label {
  color: var(--rb-red);
}

.page-privacy .pv-keys__item:nth-child(even) .pv-keys__label {
  color: var(--rb-blue);
}

.page-privacy .pv-keys__value {
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--rb-ink);
}

/* ===== 展开组 ===== */
.page-privacy .pv-chapter .accordion {
  margin-top: 8px;
  border-top: 1px solid var(--rb-line);
}

.page-privacy .pv-chapter .accordion__item {
  border-bottom: 1px solid var(--rb-line);
}

.page-privacy .pv-chapter .accordion__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-privacy .pv-chapter .accordion__trigger {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 14px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 16px 0;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: color 0.24s var(--ease);
}

.page-privacy .pv-chapter .accordion__trigger:hover .accordion__label,
.page-privacy .pv-chapter .accordion__trigger:focus-visible .accordion__label {
  color: var(--rb-blue);
}

.page-privacy .pv-chapter .accordion__index {
  font-family: var(--rb-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rb-grey);
}

.page-privacy .pv-chapter .accordion__label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--rb-ink);
  transition: color 0.24s var(--ease);
}

.page-privacy .pv-chapter .accordion__mark {
  display: block;
  width: 10px;
  height: 10px;
  margin-top: -4px;
  border-right: 2px solid var(--rb-grey);
  border-bottom: 2px solid var(--rb-grey);
  transform: rotate(45deg);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-privacy .pv-chapter .accordion__trigger[aria-expanded="true"] .accordion__mark {
  margin-top: 4px;
  transform: rotate(-135deg);
  border-color: var(--rb-red);
}

.page-privacy .pv-chapter .accordion__body {
  padding: 0 0 20px 48px;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--pv-ink-soft);
}

/* ===== 收尾提示 ===== */
.page-privacy .pv-cta {
  margin-top: 60px;
  padding: 36px 26px;
  border-radius: var(--radius);
  background: linear-gradient(118deg, var(--rb-red-dark) 0%, var(--rb-ink) 54%, var(--rb-blue-dark) 100%);
  color: #ffffff;
}

.page-privacy .pv-cta__kicker {
  margin: 0 0 12px;
  color: var(--rb-neon);
}

.page-privacy .pv-cta__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.015em;
}

.page-privacy .pv-cta__text {
  max-width: 40em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.78);
}

.page-privacy .pv-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 侧栏索引 ===== */
.page-privacy .pv-side {
  min-width: 0;
}

.page-privacy .pv-side__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rb-grey);
}

.page-privacy .pv-index {
  display: grid;
  border-left: 1px solid var(--rb-line);
}

.page-privacy .pv-index__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  margin-left: -1px;
  padding: 10px 8px 10px 14px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.45;
  color: var(--rb-grey);
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-privacy .pv-index__num {
  font-family: var(--rb-mono);
  font-size: 12px;
  opacity: 0.75;
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  color: var(--rb-ink);
  background-color: var(--pv-tint);
  border-left-color: var(--rb-red);
}

.page-privacy .pv-index__link:nth-child(even):hover,
.page-privacy .pv-index__link:nth-child(even):focus-visible {
  border-left-color: var(--rb-blue);
}

.page-privacy .pv-side__card {
  margin-top: 30px;
  padding: 20px 18px;
  border-radius: var(--radius);
  background: var(--rb-ink);
  color: #ffffff;
}

.page-privacy .pv-side__card-label {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.page-privacy .pv-side__card-line {
  margin: 0 0 6px;
  font-family: var(--rb-mono);
  font-size: 13px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--rb-neon);
}

.page-privacy .pv-side__card-note {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.66);
}

.page-privacy .pv-side__card-link {
  display: inline-block;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
  color: #ffffff;
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-privacy .pv-side__card-link:hover,
.page-privacy .pv-side__card-link:focus-visible {
  color: var(--rb-neon);
}

@media (min-width: 1024px) {
  .page-privacy .pv-side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

/* ===== 低动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-chapter .accordion__mark,
  .page-privacy .pv-chapter .accordion__label,
  .page-privacy .pv-side__card-link {
    transition: none;
  }
}