.page-privacy {
  --pv-rail-w: 76px;
  background: var(--ice-bg);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 面包屑 */
.page-privacy .pv-crumb {
  padding-top: clamp(16px, 3vw, 30px);
}
.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-privacy .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--graphite);
}
.page-privacy .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--ice-grid);
}
.page-privacy .breadcrumb__link {
  color: var(--ice-deep);
  text-decoration: none;
}
.page-privacy .breadcrumb__link:hover {
  color: var(--ice);
}

/* 首屏 */
.page-privacy .pv-hero {
  padding: clamp(22px, 4vw, 46px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--ice-grid);
}
.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-privacy .pv-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}
.page-privacy .pv-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--pitch);
}
.page-privacy .pv-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ice-deep);
}

/* 速览面板 */
.page-privacy .pv-hero__meta {
  background: var(--pitch);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  padding: 22px 24px 20px;
  align-self: end;
}
.page-privacy .pv-meta__title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pitch-moss);
}
.page-privacy .pv-meta {
  margin: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .pv-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pitch-panel);
}
.page-privacy .pv-meta__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-privacy .pv-meta__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pitch-moss);
}
.page-privacy .pv-meta__row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--chalk);
}

/* 主体两栏 */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: clamp(24px, 4vw, 46px);
}

/* 章节索引条 */
.page-privacy .pv-rail {
  position: sticky;
  top: 56px;
  z-index: 5;
  background: var(--ice-bg);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--ice-grid);
}
.page-privacy .pv-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-privacy .pv-rail__list::-webkit-scrollbar {
  display: none;
}
.page-privacy .pv-rail__item {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 5px 9px;
  border: 1px solid var(--ice-grid);
  background: var(--chalk);
  color: var(--graphite);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease;
}
.page-privacy .pv-rail__num {
  font-family: var(--font-num);
  font-size: 10px;
}
.page-privacy .pv-rail__item:hover,
.page-privacy .pv-rail__item.is-active {
  color: var(--ice);
  border-color: var(--ice);
}

/* 正文 */
.page-privacy .pv-content {
  max-width: 720px;
  min-width: 0;
}
.page-privacy .pv-content a {
  color: var(--ice-deep);
  text-decoration: underline;
  text-decoration-color: var(--ice-grid);
  text-underline-offset: 3px;
}
.page-privacy .pv-content a:hover {
  color: var(--ice);
  text-decoration-color: var(--ice);
}
.page-privacy .pv-content a.btn {
  text-decoration: none;
}

.page-privacy .pv-sec {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 1px dashed var(--ice-grid);
}
.page-privacy .pv-sec:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}
.page-privacy .pv-sec__num {
  flex: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--ice);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ice);
}
.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--pitch);
}
.page-privacy .pv-sec p {
  max-width: 62ch;
  margin: 0 0 1.1em;
  line-height: 1.85;
  color: var(--ink);
}
.page-privacy .pv-sec p:last-child {
  margin-bottom: 0;
}

/* 条目列表 */
.page-privacy .pv-list {
  max-width: 62ch;
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  line-height: 1.85;
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 1px;
  background: var(--ice);
}
.page-privacy .pv-list li:last-child {
  margin-bottom: 0;
}
.page-privacy .pv-list strong {
  font-weight: 700;
  color: var(--pitch);
}

/* 注释体 */
.page-privacy .pv-note {
  max-width: 62ch;
  margin: 0 0 1.1em;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--ice);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--graphite);
}

/* 图 */
.page-privacy .pv-figure {
  max-width: 62ch;
  margin: 0 0 1.4em;
  border: 1px solid var(--ice-grid);
  background: var(--chalk);
}
.page-privacy .pv-figure .figure__media {
  overflow: hidden;
}
.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.04);
}
.page-privacy .pv-figure .figure__cap {
  padding: 10px 12px;
  border-top: 1px dashed var(--ice-grid);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--graphite);
}

/* 术语展开 */
.page-privacy .term {
  max-width: 62ch;
  margin: 0 0 1.2em;
  border: 1px solid var(--ice-grid);
  background: var(--chalk);
}
.page-privacy .term__summary {
  padding: 12px 14px;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ice-deep);
}
.page-privacy .term__summary:hover {
  color: var(--ice);
}
.page-privacy .term__body {
  padding: 0 14px 14px;
}
.page-privacy .term__body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--graphite);
}

/* 留存期限数字块 */
.page-privacy .pv-keep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  max-width: 62ch;
  margin: 0 0 1.2em;
  border: 1px solid var(--ice-grid);
  background: var(--ice-grid);
}
.page-privacy .pv-keep__cell {
  display: block;
  background: var(--chalk);
  padding: 20px 22px 22px;
}
.page-privacy .pv-keep__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pitch);
}
.page-privacy .pv-keep__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1;
  color: var(--sig-deep);
}
.page-privacy .pv-unit {
  margin-left: 4px;
  font-size: 0.4em;
  letter-spacing: 0.08em;
}
.page-privacy .pv-keep__desc {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--graphite);
}

/* 行动链接 */
.page-privacy .pv-cta {
  margin: 4px 0 0;
}

/* 联系方式列表 */
.page-privacy .pv-contact {
  max-width: 62ch;
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ice-grid);
}
.page-privacy .pv-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--ice-grid);
  font-size: 14px;
  line-height: 1.7;
}
.page-privacy .pv-contact__k {
  flex: none;
  min-width: 72px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}
.page-privacy .pv-contact__v {
  font-family: var(--font-num);
  color: var(--ink);
  word-break: break-word;
}

/* 宽屏：索引条竖排 + 首屏 8/4 */
@media (min-width: 900px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-privacy .pv-rail {
    top: 104px;
    padding-bottom: 0;
    border-bottom: 0;
    background: transparent;
  }
  .page-privacy .pv-rail__list {
    flex-direction: column;
    gap: 18px;
    overflow: visible;
  }
  .page-privacy .pv-rail__item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 0 0 0 10px;
    border: 0;
    border-left: 2px solid var(--ice-grid);
    background: transparent;
  }
  .page-privacy .pv-rail__item:hover,
  .page-privacy .pv-rail__item.is-active {
    border-left-color: var(--sig);
    color: var(--ice-deep);
  }
  .page-privacy .pv-rail__name {
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: 0.16em;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
  }
}

@media (min-width: 640px) {
  .page-privacy .pv-keep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__item {
    transition: none;
  }
}