.page-privacy {
  --pv-rail: 224px;
  --pv-gap: clamp(26px, 4vw, 54px);
  padding-bottom: clamp(46px, 7vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(22px, 3.6vw, 44px);
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--sand);
  margin: 14px 0 0;
  max-width: 16em;
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--cool);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
}

.page-privacy .privacy-hero__keypoints {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--struct);
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-hero__keypoint {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel-2);
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-privacy .privacy-hero__keynum {
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--gold);
}

.page-privacy .privacy-hero__media {
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-privacy .privacy-hero__media .media__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 3.2% 100%);
}

.page-privacy .privacy-hero__media .media__img {
  display: block;
  width: 100%;
  height: clamp(170px, 33vw, 320px);
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.92);
}

.page-privacy .privacy-hero__media .media__caption {
  margin-top: 12px;
  color: var(--cool);
  font-size: 0.8125rem;
  line-height: 1.7;
  max-width: 40em;
}

/* ---------- 版本说明带 ---------- */
.page-privacy .privacy-version {
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--struct);
  border-bottom: 1px solid var(--struct);
  background:
    linear-gradient(90deg, rgba(232, 163, 61, 0.12), rgba(232, 163, 61, 0) 58%),
    var(--panel-2);
}

.page-privacy .privacy-version__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-block: 16px;
}

.page-privacy .privacy-version__text {
  margin: 0;
  flex: 1 1 20em;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-privacy .privacy-version__stamp {
  color: var(--sand);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* ---------- 条款布局 ---------- */
.page-privacy .privacy-terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pv-gap);
  padding-top: clamp(32px, 5vw, 66px);
}

/* ---------- 左侧条款轨道 ---------- */
.page-privacy .privacy-rail__caption {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--struct);
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 13px;
  background: var(--panel-2);
  color: var(--cool);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.45;
  transition: color 160ms var(--ease), background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-privacy .privacy-rail__num {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
  transition: color 160ms var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  background: var(--panel);
  color: var(--sand);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-privacy .privacy-rail__link:hover .privacy-rail__num,
.page-privacy .privacy-rail__link:focus-visible .privacy-rail__num {
  color: var(--gold);
}

/* ---------- 文档主体 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-clause {
  scroll-margin-top: 92px;
  padding-block: clamp(24px, 3.4vw, 38px);
  border-top: 1px solid var(--struct);
}

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

.page-privacy .privacy-clause__index {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-privacy .privacy-clause__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 2.9vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--sand);
  margin: 8px 0 0;
  transition: color 160ms var(--ease);
}

.page-privacy .privacy-clause:target .privacy-clause__title {
  color: var(--gold);
}

.page-privacy .privacy-clause__lead {
  margin: 12px 0 0;
  color: var(--sand);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 34em;
}

.page-privacy .privacy-clause p {
  color: var(--cool);
  line-height: 1.85;
  max-width: 34em;
  margin: 14px 0 0;
}

.page-privacy .privacy-clause p strong {
  color: var(--sand);
  font-weight: 500;
}

.page-privacy .privacy-def {
  color: var(--sand);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-privacy .privacy-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 159, 216, 0.42);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 采集三类网格 ---------- */
.page-privacy .privacy-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--struct);
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-grid__item {
  background: var(--panel);
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
}

.page-privacy .privacy-grid__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--sand);
}

.page-privacy .privacy-grid__body {
  margin: 10px 0 0;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: none;
  flex: 1 1 auto;
}

.page-privacy .privacy-grid__keep {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--struct);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--mint);
}

/* ---------- 展开面板 ---------- */
.page-privacy .privacy-fold {
  margin-top: 22px;
  border: 1px solid var(--struct);
  border-left: 3px solid var(--gold-deep);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
}

.page-privacy .privacy-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  color: var(--sand);
  transition: color 160ms var(--ease);
}

.page-privacy .privacy-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--gold);
}

.page-privacy .privacy-fold[open] > summary::after {
  content: "−";
}

.page-privacy .privacy-fold > summary:hover,
.page-privacy .privacy-fold > summary:focus-visible {
  color: var(--gold);
}

.page-privacy .privacy-fold__body {
  padding: 0 16px 16px;
}

.page-privacy .privacy-fold__body p {
  margin: 0 0 10px;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 34em;
}

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

/* ---------- 使用目的列表 ---------- */
.page-privacy .privacy-purpose {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-purpose__item {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--panel-2);
  border-radius: var(--r-md);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-privacy .privacy-purpose__item:nth-child(2) {
  box-shadow: inset 3px 0 0 var(--blue);
}

.page-privacy .privacy-purpose__item:nth-child(3) {
  box-shadow: inset 3px 0 0 var(--violet);
}

.page-privacy .privacy-purpose__tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-privacy .privacy-purpose__tag--blue {
  color: var(--blue);
}

.page-privacy .privacy-purpose__tag--violet {
  color: var(--violet);
}

.page-privacy .privacy-purpose__item p {
  margin: 8px 0 0;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 34em;
}

/* ---------- 备案边界表 ---------- */
.page-privacy .privacy-boundary {
  margin: 20px 0 0;
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-boundary__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--struct);
  background: var(--panel-2);
}

.page-privacy .privacy-boundary__row:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-boundary__key {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
  font-weight: 500;
}

.page-privacy .privacy-boundary__val {
  margin: 0;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 收束区 ---------- */
.page-privacy .privacy-foot {
  margin-top: clamp(38px, 6vw, 74px);
}

.page-privacy .privacy-foot__panel {
  position: relative;
  padding: clamp(22px, 3.2vw, 34px);
  background: var(--panel);
  border: 1px solid var(--struct);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-float);
}

.page-privacy .privacy-foot__panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: var(--r-lg) 0 0 var(--r-lg);
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
}

.page-privacy .privacy-foot__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  letter-spacing: -0.02em;
  color: var(--sand);
}

.page-privacy .privacy-foot__note {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--cool);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-privacy .privacy-foot__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--struct);
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-foot__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 13px 16px;
  background: var(--panel-2);
}

.page-privacy .privacy-foot__key {
  flex: 0 0 auto;
  min-width: 5em;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cool);
}

.page-privacy .privacy-foot__val {
  flex: 1 1 12em;
  min-width: 0;
  color: var(--sand);
  font-size: 0.9375rem;
  line-height: 1.7;
  word-break: break-word;
}

.page-privacy .privacy-foot__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--struct);
}

.page-privacy .privacy-foot__base-text {
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--cool);
}

.page-privacy .privacy-foot__link {
  font-size: 0.8125rem;
  margin-left: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-hero__keypoints {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-boundary__row {
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-terms {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
    align-self: start;
  }

  .page-privacy .privacy-rail__list {
    grid-template-columns: 1fr;
    gap: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    overflow: visible;
  }

  .page-privacy .privacy-rail__link {
    background: transparent;
    border-left: 1px solid var(--struct);
    padding: 12px 0 12px 16px;
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    background: linear-gradient(90deg, rgba(232, 163, 61, 0.12), rgba(232, 163, 61, 0) 82%);
    box-shadow: none;
  }

  .page-privacy .privacy-clause {
    padding-block: clamp(28px, 3.6vw, 42px);
  }
}

@media (min-width: 1080px) {
  .page-privacy {
    --pv-rail: 248px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-clause__title,
  .page-privacy .privacy-link,
  .page-privacy .privacy-fold > summary {
    transition: none;
  }
}