.page-privacy {
  --pv-border: var(--c-track);
  background: var(--c-mist);
  color: var(--c-ink);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .breadcrumb {
  margin: clamp(16px, 2.5vw, 28px) 0 clamp(16px, 2.4vw, 24px);
}

/* 页面主题声明区 */
.page-privacy .pv-head {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  padding: clamp(26px, 4vw, 46px);
  background: linear-gradient(135deg, var(--c-ink) 0%, var(--c-blue) 58%, #16456E 100%);
  color: var(--c-paper);
  box-shadow: var(--shadow-2);
}

.page-privacy .pv-head::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: linear-gradient(90deg, var(--c-red), var(--c-yellow));
}

.page-privacy .pv-head::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 72px);
}

.page-privacy .pv-head__grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-privacy .pv-head__text {
  max-width: 42em;
}

.page-privacy .pv-head .kicker {
  color: var(--c-yellow);
  letter-spacing: 0.16em;
}

.page-privacy .pv-head h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 4.4vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-privacy .pv-head .lede {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.84);
}

.page-privacy .pv-stamp {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #EAF1F7;
}

.page-privacy .pv-stamp__dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--c-yellow);
  box-shadow: 0 0 0 4px rgba(255, 194, 46, 0.22);
}

.page-privacy .pv-stamp__note {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.62);
}

.page-privacy .pv-figure {
  position: relative;
  margin: clamp(22px, 3.2vw, 34px) 0 0;
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
}

/* 主体：左侧章节索引 + 右侧内容流 */
.page-privacy .pv-layout {
  margin-top: clamp(30px, 4.6vw, 54px);
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}

.page-privacy .pv-rail {
  padding: 16px 14px 14px;
  border: 1px solid var(--pv-border);
  border-radius: var(--r-lg);
  background: var(--c-paper);
  box-shadow: var(--shadow-1);
}

.page-privacy .pv-rail__title {
  margin: 0 0 10px;
  padding-left: 10px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-gray);
}

.page-privacy .pv-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .pv-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--c-ink);
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-privacy .pv-rail__list a:hover {
  background: var(--c-mist);
  border-left-color: var(--c-red);
  color: var(--c-red-dark);
}

.page-privacy .pv-rail__list a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-privacy .pv-rail__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-red);
}

.page-privacy .pv-flow {
  display: grid;
  gap: clamp(22px, 3.2vw, 38px);
  min-width: 0;
}

/* 章节卡 */
.page-privacy .pv-sec {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--pv-border);
  border-radius: var(--r-lg);
  background: var(--c-paper);
  scroll-margin-top: 120px;
}

.page-privacy .pv-sec__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-privacy .pv-sec .index-num {
  flex: none;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(225, 29, 46, 0.09);
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-red);
}

.page-privacy .pv-sec .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .pv-sec__lede {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-gray);
}

/* 信息类型筛选 */
.page-privacy .pv-chips {
  margin-bottom: 16px;
}

.page-privacy .chip {
  padding: 7px 14px;
  border: 1px solid var(--pv-border);
  border-radius: var(--r-pill);
  background: var(--c-paper);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--c-ink);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-privacy .chip:hover {
  border-color: var(--c-blue);
  color: var(--c-blue);
}

.page-privacy .chip[aria-pressed="true"] {
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-paper);
}

.page-privacy .chip:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-privacy .pv-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-item {
  padding: 14px 16px;
  border: 1px solid var(--pv-border);
  border-left: 4px solid var(--c-blue);
  border-radius: var(--r-md);
  background: var(--c-mist);
}

.page-privacy .pv-item[hidden] {
  display: none;
}

.page-privacy .pv-item__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: rgba(18, 58, 94, 0.1);
  font-family: var(--font-num);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--c-blue);
}

.page-privacy .pv-item__title {
  margin: 0 0 6px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .pv-item__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-gray);
}

/* 使用目的 */
.page-privacy .pv-uses {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pv-border);
}

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

.page-privacy .pv-use__num {
  font-family: var(--font-num);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--c-red);
}

.page-privacy .pv-use__body h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-privacy .pv-use__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-gray);
}

/* 通用小卡组 */
.page-privacy .pv-cards {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .pv-card {
  padding: 16px 18px;
  border: 1px solid var(--pv-border);
  border-radius: var(--r-md);
  background: var(--c-mist);
}

.page-privacy .pv-card--tip {
  border-left: 4px solid var(--c-yellow);
  background: #FFFBF0;
}

.page-privacy .pv-card h3 {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .pv-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-gray);
}

/* 保存期限刻度 */
.page-privacy .pv-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-timeline__row {
  display: grid;
  gap: 8px;
}

.page-privacy .pv-timeline__label {
  font-size: 0.875rem;
  font-weight: 700;
}

.page-privacy .pv-timeline__bar {
  display: block;
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--c-track);
  overflow: hidden;
}

.page-privacy .pv-timeline__bar i {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-red), var(--c-yellow));
}

.page-privacy .pv-timeline__row:nth-child(1) .pv-timeline__bar i { width: 34%; }
.page-privacy .pv-timeline__row:nth-child(2) .pv-timeline__bar i { width: 64%; }
.page-privacy .pv-timeline__row:nth-child(3) .pv-timeline__bar i { width: 88%; }

.page-privacy .pv-timeline__value {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--c-blue);
}

.page-privacy .pv-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--c-blue);
  border-radius: var(--r-md);
  background: rgba(18, 58, 94, 0.06);
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--c-ink);
}

/* 权利折叠项 */
.page-privacy .pv-accordion {
  display: grid;
  gap: 10px;
}

.page-privacy .pv-fold {
  border: 1px solid var(--pv-border);
  border-radius: var(--r-md);
  background: var(--c-mist);
  overflow: hidden;
}

.page-privacy .pv-fold[open] {
  border-color: var(--c-blue);
  background: var(--c-paper);
}

.page-privacy .pv-fold summary {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 1.1rem;
  color: var(--c-red);
}

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

.page-privacy .pv-fold summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-privacy .pv-fold__body {
  padding: 0 16px 16px;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--c-gray);
}

/* 联络深色块 */
.page-privacy .pv-contact {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--c-ink), var(--c-blue) 78%);
  color: var(--c-paper);
}

.page-privacy .pv-contact__mail {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  letter-spacing: 0.01em;
  color: var(--c-yellow);
  word-break: break-all;
}

.page-privacy .pv-contact__meta {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.76);
}

.page-privacy .pv-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

/* 相关入口 */
.page-privacy .pv-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .pv-links a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--pv-border);
  border-radius: var(--r-md);
  background: var(--c-paper);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-ink);
  text-decoration: none;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-privacy .pv-links a:hover {
  transform: translateY(-2px);
  border-color: var(--c-red);
  box-shadow: var(--shadow-1);
}

.page-privacy .pv-links a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-privacy .pv-links span {
  display: block;
  margin-top: 4px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--c-gray);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .pv-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-cards {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .page-privacy .pv-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-use {
    grid-template-columns: 56px minmax(0, 1fr);
    align-items: start;
    gap: 4px 16px;
  }

  .page-privacy .pv-timeline__row {
    grid-template-columns: 172px minmax(0, 1fr) 148px;
    align-items: center;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-head__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

/* 桌面：左侧索引常驻 */
@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 52px);
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 108px;
  }

  .page-privacy .pv-rail__list {
    max-height: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__list a,
  .page-privacy .chip,
  .page-privacy .pv-links a {
    transition: none;
  }

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