.page-privacy {
  --pv-sec-gap: clamp(40px, 6vw, 72px);
  --pv-measure: 640px;
  background: var(--ink);
  color: var(--body);
}

.page-privacy .breadcrumb {
  padding: clamp(18px, 3vw, 30px) 0 0;
}

.page-privacy .pv-hero {
  padding: clamp(26px, 5vw, 56px) 0 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .pv-hero__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-privacy .pv-hero__title {
  max-width: 21em;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-hero__lede {
  max-width: var(--pv-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
}

.page-privacy .pv-banner {
  position: relative;
  margin: 0 0 clamp(28px, 5vw, 52px);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-privacy .pv-layout {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  padding: clamp(36px, 6vw, 84px) 0 clamp(36px, 6vw, 72px);
  align-items: start;
}

/* 左侧竖向目录 */
.page-privacy .pv-toc {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}

.page-privacy .pv-toc__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--body-dim);
}

.page-privacy .pv-toc__list {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(201, 162, 75, 0.14);
  font-size: 14px;
  line-height: 1.55;
  color: var(--body);
  text-decoration: none;
  transition: color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--gold-light);
  padding-left: 6px;
}

.page-privacy .pv-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* 右侧正文 */
.page-privacy .pv-body {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-privacy .pv-sec {
  position: relative;
  padding: 0 0 var(--pv-sec-gap) 20px;
  border-left: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .pv-sec:last-child {
  padding-bottom: 0;
}

.page-privacy .pv-sec::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 4px;
  width: 1px;
  height: 38px;
  background: var(--metal);
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-privacy .pv-sec__num::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  vertical-align: 1px;
  background: var(--seal);
}

.page-privacy .pv-sec__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pv-p {
  max-width: var(--pv-measure);
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
}

.page-privacy .pv-p--note {
  margin-top: 18px;
  margin-bottom: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--gold-deep);
  background: rgba(23, 25, 30, 0.9);
  font-size: 14px;
  line-height: 1.8;
  color: var(--body-dim);
}

.page-privacy .pv-link {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

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

/* 四类收集场景 */
.page-privacy .pv-facts {
  display: grid;
  gap: 1px;
  max-width: var(--pv-measure);
  margin-top: 4px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-privacy .pv-facts__row {
  padding: 16px 18px;
  background: var(--ink);
  transition: background 0.3s var(--ease);
}

.page-privacy .pv-facts__row:hover {
  background: var(--graphite);
}

.page-privacy .pv-facts__key {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-privacy .pv-facts__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
}

/* 用途卡片 */
.page-privacy .pv-uses {
  display: grid;
  gap: 14px;
  max-width: var(--pv-measure);
  margin-top: 4px;
}

.page-privacy .pv-uses__item {
  padding: 18px 18px 20px;
  background: var(--graphite);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold-deep);
  transition: border-top-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-privacy .pv-uses__item:hover {
  border-top-color: var(--gold);
  transform: translateY(-2px);
}

.page-privacy .pv-uses__title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pv-uses__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--body);
}

/* 金箔裱框的承诺句 */
.page-privacy .pv-pledge {
  position: relative;
  max-width: var(--pv-measure);
  margin: 22px 0 0;
  padding: 20px 22px;
  border: 1px solid var(--gold);
  background: linear-gradient(180deg, rgba(201, 162, 75, 0.09), rgba(11, 12, 14, 0));
  font-size: 16px;
  line-height: 1.8;
  color: var(--gold-light);
}

.page-privacy .pv-pledge::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--foil-line);
  pointer-events: none;
}

/* 定义式条目 */
.page-privacy .pv-defs {
  display: grid;
  max-width: var(--pv-measure);
  margin-top: 4px;
}

.page-privacy .pv-defs__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-defs__row:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .pv-defs__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-privacy .pv-defs__val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

/* 可展开的权利说明 */
.page-privacy .pv-fold {
  max-width: var(--pv-measure);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-fold__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color 0.3s var(--ease);
}

.page-privacy .pv-fold__sum::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold__sum:hover,
.page-privacy .pv-fold__sum:focus-visible {
  color: var(--gold-light);
}

.page-privacy .pv-fold__mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border: 1px solid var(--gold);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-privacy .pv-fold[open] .pv-fold__mark {
  background: var(--teal);
  border-color: var(--teal);
}

.page-privacy .pv-fold__body {
  padding: 0 0 18px 21px;
}

.page-privacy .pv-fold__body p {
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body);
}

/* 收束联系卡片 */
.page-privacy .pv-contact {
  padding: 0 0 clamp(48px, 8vw, 96px);
}

.page-privacy .pv-contact__card {
  position: relative;
  padding: clamp(24px, 4vw, 46px);
  border: 2px solid var(--gold);
  background: var(--graphite);
  box-shadow: var(--shadow-card);
}

.page-privacy .pv-contact__card::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--foil-line);
  pointer-events: none;
}

.page-privacy .pv-contact__eyebrow {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-privacy .pv-contact__title {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pv-contact__text {
  max-width: 60ch;
  margin-bottom: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body);
}

.page-privacy .pv-contact__rows {
  display: grid;
  max-width: 560px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-contact__key {
  flex: none;
  min-width: 68px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-privacy .pv-contact__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  word-break: break-word;
}

.page-privacy .pv-contact__btn {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-contact__icp {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--body-dim);
}

@media (min-width: 760px) {
  .page-privacy .pv-facts,
  .page-privacy .pv-uses {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
  }

  .page-privacy .pv-uses {
    gap: 18px;
    background: transparent;
  }

  .page-privacy .pv-defs__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
  }

  .page-privacy .pv-defs__key {
    padding-top: 3px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .pv-sec {
    padding-left: 30px;
    border-left: 1px solid var(--line);
  }

  .page-privacy .pv-hero__lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-facts__row,
  .page-privacy .pv-uses__item,
  .page-privacy .pv-fold__mark,
  .page-privacy .pv-link {
    transition: none;
  }

  .page-privacy .pv-uses__item:hover {
    transform: none;
  }
}