.page-privacy {
  --pv-gap: clamp(20px, 5vw, 56px);
  color: var(--read);
  font-family: var(--font-body);
  position: relative;
  padding-bottom: clamp(48px, 9vw, 104px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 右侧阅读进度 ---------- */
.page-privacy .pv-rail {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 6vw, 64px);
  overflow: hidden;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 320px at 10% 0%, rgba(61, 116, 255, 0.20), transparent 70%),
    radial-gradient(520px 300px at 94% 104%, rgba(228, 3, 46, 0.16), transparent 72%);
  pointer-events: none;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -60px;
  width: min(52vw, 540px);
  height: min(52vw, 540px);
  background: linear-gradient(135deg, rgba(228, 3, 46, 0.22), rgba(61, 116, 255, 0.18));
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  opacity: 0.5;
  pointer-events: none;
}

.page-privacy .pv-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-privacy .pv-kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-privacy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 15em;
}

.page-privacy .pv-lead {
  margin: 0;
  max-width: 620px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}

.page-privacy .pv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 首屏读数面板 ---------- */
.page-privacy .pv-hero-panel {
  border: var(--line);
  border-left: 2px solid var(--gold);
  background: linear-gradient(160deg, var(--panel), var(--ink) 78%);
  padding: clamp(18px, 3vw, 26px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-privacy .pv-panel-k {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-privacy .pv-num {
  margin: 10px 0 6px;
  font-family: var(--font-data);
  font-size: clamp(64px, 13vw, 108px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--read);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-unit {
  font-size: 0.3em;
  margin-left: 10px;
  color: var(--gold);
  letter-spacing: 0;
}

.page-privacy .pv-panel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 34ch;
}

.page-privacy .pv-mini {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--raise);
}

.page-privacy .pv-mini > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pv-mini dt {
  font-size: 13px;
  color: var(--mute);
}

.page-privacy .pv-mini dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--read);
  font-variant-numeric: tabular-nums;
}

/* ---------- 数据流图 ---------- */
.page-privacy .pv-flow {
  margin: 0 auto;
  max-width: 1600px;
  padding: 0 clamp(16px, 3vw, 24px);
}

.page-privacy .pv-flow .figure-frame {
  border: var(--line);
  border-top: 2px solid var(--blue);
  background: var(--panel);
  overflow: hidden;
}

.page-privacy .pv-flow img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .pv-flow .figure-cap {
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 章节索引条 ---------- */
.page-privacy .pv-jump {
  margin-top: clamp(24px, 4vw, 40px);
  border-top: var(--line);
  border-bottom: var(--line);
  padding: clamp(14px, 2.5vw, 22px) 0;
}

.page-privacy .pv-jump-inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-privacy .pv-jump-inner::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-jump-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--raise);
  background: var(--panel);
  color: var(--silver);
  text-decoration: none;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-jump-link:hover,
.page-privacy .pv-jump-link:focus-visible {
  color: var(--read);
  border-color: var(--blue);
}

/* ---------- 章节骨架 ---------- */
.page-privacy .pv-sec {
  border-top: var(--line);
  padding: clamp(36px, 6vw, 64px) 0;
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-privacy .pv-sec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 28px);
}

.page-privacy .pv-sec-side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pv-sec-idx {
  margin: 0;
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-privacy .pv-sec-tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-privacy .pv-sec-body h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.page-privacy .pv-intro {
  margin: 0 0 26px;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-privacy .pv-aside {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--raise);
  max-width: 640px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-privacy .pv-aside a {
  color: var(--blue-lt);
  text-underline-offset: 4px;
}

.page-privacy .pv-aside a:hover,
.page-privacy .pv-aside a:focus-visible {
  color: var(--read);
}

/* ---------- 三类信息卡片 ---------- */
.page-privacy .pv-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-privacy .pv-group {
  background: var(--panel);
  border: var(--line);
  padding: 18px 18px 6px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-privacy .pv-group-t {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--read);
}

.page-privacy .pv-group-t::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  transform: translateY(-1px);
}

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

.page-privacy .pv-item {
  position: relative;
  padding: 12px 0;
  border-top: 1px dashed var(--raise);
}

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

.page-privacy .pv-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--blue);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-privacy .pv-item-k {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--read);
}

.page-privacy .pv-item-v {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-privacy .pv-item-hint {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-lt);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: opacity var(--dur) var(--ease), max-height var(--dur) var(--ease);
}

@media (hover: hover) {
  .page-privacy .pv-item:hover::before {
    opacity: 1;
  }
  .page-privacy .pv-item:hover .pv-item-hint {
    opacity: 1;
    max-height: 24px;
    margin-top: 6px;
  }
}

/* ---------- 用途与共享清单 ---------- */
.page-privacy .pv-uses {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-uses li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px dashed var(--raise);
}

.page-privacy .pv-uses li:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pv-use-k {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--blue-lt);
}

.page-privacy .pv-uses p {
  margin: 0;
  max-width: 640px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 保存期限 ---------- */
.page-privacy .pv-terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-privacy .pv-term {
  border-top: 2px solid var(--raise);
  padding-top: 14px;
}

.page-privacy .pv-term-num {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-term-k {
  margin: 12px 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--read);
}

.page-privacy .pv-term-v {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 权利清单 ---------- */
.page-privacy .pv-rights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-right {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  background: var(--panel);
  border: var(--line);
  border-left: 2px solid var(--blue);
  padding: 16px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .pv-right-n {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-privacy .pv-right h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--read);
}

.page-privacy .pv-right p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 联系面板 ---------- */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, var(--panel), var(--ink) 82%);
  border: var(--line);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-privacy .pv-contact-k {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-privacy .pv-contact-v {
  margin: 6px 0 0;
  font-family: var(--font-data);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.5;
  color: var(--read);
  overflow-wrap: anywhere;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-uses li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-privacy .pv-terms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-privacy .pv-sec-grid {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-privacy .pv-sec-side {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    align-self: start;
    flex-direction: column;
    gap: 6px;
  }
}

/* ---------- 右侧进度条 ---------- */
@media (min-width: 1240px) {
  .page-privacy .pv-rail {
    display: block;
    position: fixed;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 200px;
    background: var(--raise);
    z-index: 5;
  }

  .page-privacy .pv-rail-fill {
    display: block;
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, var(--blue), var(--gold));
    transition: height var(--dur) var(--ease);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail-fill,
  .page-privacy .pv-item::before,
  .page-privacy .pv-item-hint,
  .page-privacy .pv-jump-link {
    transition: none;
  }
}