.page-privacy {
  --pv-red: var(--ph-red);
  --pv-gold: var(--ph-gold);
  --pv-blue: var(--ph-blue);
  --pv-ink: var(--ph-ink);
  --pv-char: var(--ph-charcoal);
  --pv-silver: var(--ph-silver);
  --pv-orange: var(--ph-orange);
  --pv-midnight: var(--ph-midnight);
  --pv-white: #ffffff;
  background: var(--pv-white);
}

.page-privacy .pv-anchor-helper {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  scroll-margin-top: var(--header-h);
}

/* ===== Hero ===== */
.page-privacy .pv-hero {
  position: relative;
  padding: 28px 0 56px;
  background-color: var(--pv-ink);
  background-image:
    linear-gradient(135deg, rgba(230, 57, 70, .28) 0%, transparent 46%),
    radial-gradient(circle at 82% 16%, rgba(0, 168, 232, .16), transparent 32%);
  color: var(--pv-silver);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
  overflow: hidden;
}

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

.page-privacy .pv-hero .breadcrumbs {
  margin-bottom: 26px;
  font-size: 13px;
  color: rgba(245, 245, 245, .55);
}

.page-privacy .pv-hero .breadcrumbs a {
  color: rgba(245, 245, 245, .8);
  text-decoration: none;
  transition: color .2s;
}

.page-privacy .pv-hero .breadcrumbs a:hover {
  color: var(--pv-blue);
}

.page-privacy .pv-hero .breadcrumbs .sep {
  margin: 0 8px;
  color: var(--pv-gold);
}

.page-privacy .pv-hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--pv-gold);
}

.page-privacy .pv-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  color: #fff;
  letter-spacing: .01em;
}

.page-privacy .pv-hero h1 span {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 400;
  line-height: 1.4;
  color: rgba(245, 245, 245, .7);
}

.page-privacy .pv-hero-lead {
  max-width: 700px;
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 245, 245, .85);
}

.page-privacy .pv-hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  color: var(--pv-silver);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .2s, background .2s, color .2s;
}

.page-privacy .pv-hero-index a span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pv-gold);
  transition: color .2s;
}

.page-privacy .pv-hero-index a:hover {
  border-color: var(--pv-red);
  background: var(--pv-red);
  color: #fff;
}

.page-privacy .pv-hero-index a:hover span {
  color: #fff;
}

/* ===== 章节骨架 ===== */
.page-privacy .pv-section {
  padding: 48px 0;
}

.page-privacy .pv-alt {
  background: var(--pv-silver);
}

.page-privacy .pv-section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  border-left: 3px solid var(--pv-gold);
  padding-left: 14px;
}

.page-privacy .pv-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--pv-red);
  color: #fff;
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .15);
}

.page-privacy .pv-icon svg {
  width: 24px;
  height: 24px;
}

.page-privacy .pv-head-text {
  flex: 1 1 auto;
}

.page-privacy .pv-kicker {
  display: block;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pv-gold);
  font-weight: 700;
}

.page-privacy .pv-head-text h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.25;
  color: var(--pv-ink);
}

.page-privacy .pv-lead {
  max-width: 760px;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pv-char);
}

.page-privacy .pv-body {
  max-width: 860px;
}

.page-privacy .pv-body > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pv-char);
}

.page-privacy .pv-body > p strong {
  color: var(--pv-ink);
  font-weight: 700;
}

/* ===== 引言横幅 ===== */
.page-privacy .pv-banner {
  position: relative;
  margin: 0 0 34px;
  overflow: hidden;
  box-shadow: 10px 10px 0 rgba(26, 26, 26, .08);
}

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

.page-privacy .pv-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(230, 57, 70, .28);
  pointer-events: none;
}

/* ===== 提示框 ===== */
.page-privacy .pv-alert {
  margin-top: 28px;
  padding: 20px 22px;
  background: linear-gradient(90deg, rgba(230, 57, 70, .08), rgba(230, 57, 70, .02) 62%);
  border-left: 4px solid var(--pv-red);
}

.page-privacy .pv-alert h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--pv-red);
}

.page-privacy .pv-alert p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

.page-privacy .pv-alert a {
  color: var(--pv-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-alert-gold {
  background: linear-gradient(90deg, rgba(201, 151, 0, .12), rgba(201, 151, 0, .04) 62%);
  border-left-color: var(--pv-gold);
}

.page-privacy .pv-alert-gold h3 {
  color: var(--pv-gold);
}

.page-privacy .pv-alert-gold a {
  color: var(--pv-gold);
  font-weight: 700;
}

/* ===== 网格卡片 ===== */
.page-privacy .pv-grid {
  display: grid;
  gap: 20px;
}

.page-privacy .pv-card {
  padding: 24px;
  background: var(--pv-white);
  border: 1px solid rgba(26, 26, 26, .06);
  border-top: 3px solid var(--pv-red);
  transition: transform .2s, box-shadow .2s;
}

.page-privacy .pv-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(26, 26, 26, .07);
}

.page-privacy .pv-card h3 {
  position: relative;
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--pv-ink);
}

.page-privacy .pv-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  background: var(--pv-gold);
}

.page-privacy .pv-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

.page-privacy .pv-note {
  margin-top: 28px;
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--pv-char);
  background: rgba(0, 168, 232, .06);
  border: 1px dashed rgba(0, 168, 232, .3);
}

/* ===== 使用场景列表 ===== */
.page-privacy .pv-usage {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .pv-usage li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(26, 26, 26, .08);
}

.page-privacy .pv-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--pv-red);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 3px 3px 0 rgba(26, 26, 26, .14);
}

.page-privacy .pv-usage h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--pv-ink);
}

.page-privacy .pv-usage p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

.page-privacy .pv-highlight {
  padding: 22px 24px;
  background: linear-gradient(135deg, rgba(201, 151, 0, .12), rgba(255, 107, 53, .08));
  border-left: 4px solid var(--pv-gold);
}

.page-privacy .pv-highlight h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--pv-ink);
}

.page-privacy .pv-highlight p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

/* ===== 共享与披露 ===== */
.page-privacy .pv-share-grid {
  display: grid;
  gap: 20px;
}

.page-privacy .pv-share-card {
  padding: 24px;
  background: var(--pv-white);
  border: 1px solid rgba(26, 26, 26, .08);
  border-bottom: 3px solid rgba(26, 26, 26, .16);
}

.page-privacy .pv-share-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--pv-ink);
}

.page-privacy .pv-share-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

.page-privacy .pv-share-lock {
  background: var(--pv-ink);
  border-color: var(--pv-ink);
  border-bottom-color: var(--pv-gold);
}

.page-privacy .pv-share-lock h3 {
  color: var(--pv-gold);
}

.page-privacy .pv-share-lock p {
  color: rgba(245, 245, 245, .82);
}

/* ===== 用户权利 ===== */
.page-privacy .pv-rights-grid {
  display: grid;
  gap: 16px;
}

.page-privacy .pv-right {
  padding: 20px 22px;
  background: linear-gradient(90deg, rgba(245, 245, 245, .65), rgba(245, 245, 245, .2));
  border-left: 3px solid var(--pv-blue);
  transition: background .2s, border-color .2s;
}

.page-privacy .pv-right:hover {
  border-left-color: var(--pv-red);
  background: var(--pv-white);
}

.page-privacy .pv-right:last-child {
  grid-column: 1 / -1;
}

.page-privacy .pv-right-num {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pv-blue);
}

.page-privacy .pv-right h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--pv-ink);
}

.page-privacy .pv-right p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

/* ===== 安全措施 ===== */
.page-privacy .pv-security {
  position: relative;
  background-color: var(--pv-midnight);
  background-image:
    linear-gradient(135deg, rgba(230, 57, 70, .2) 0%, transparent 48%),
    radial-gradient(circle at 84% 20%, rgba(0, 168, 232, .14), transparent 36%);
  color: var(--pv-silver);
  padding-top: 64px;
  padding-bottom: 64px;
}

.page-privacy .pv-security .pv-head-text h2 {
  color: #fff;
}

.page-privacy .pv-security-stats {
  display: grid;
  gap: 16px;
  margin: 30px 0 36px;
}

.page-privacy .pv-stat {
  padding: 20px 22px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-left: 4px solid var(--pv-gold);
}

.page-privacy .pv-stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.15;
  color: #fff;
}

.page-privacy .pv-stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(245, 245, 245, .72);
}

.page-privacy .pv-stat:nth-child(2) {
  border-left-color: var(--pv-blue);
}

.page-privacy .pv-stat:nth-child(3) {
  border-left-color: var(--pv-red);
}

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

.page-privacy .pv-security-list li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.page-privacy .pv-security-list li span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--pv-gold);
}

.page-privacy .pv-security-list li p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 245, 245, .78);
}

/* ===== 政策更新 ===== */
.page-privacy .pv-update-grid {
  display: grid;
  gap: 18px;
}

.page-privacy .pv-update-item {
  padding: 24px;
  background: var(--pv-white);
  border: 1px solid rgba(26, 26, 26, .08);
  border-bottom: 3px solid var(--pv-gold);
}

.page-privacy .pv-update-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--pv-ink);
}

.page-privacy .pv-update-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-char);
}

/* ===== CTA ===== */
.page-privacy .pv-cta {
  position: relative;
  padding: 48px 0;
  background: var(--pv-ink);
  color: var(--pv-silver);
}

.page-privacy .pv-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--pv-red), var(--pv-orange), var(--pv-gold));
}

.page-privacy .pv-cta-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-privacy .pv-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 24px;
  color: #fff;
}

.page-privacy .pv-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 245, 245, .78);
}

.page-privacy .pv-cta .btn {
  justify-self: start;
}

/* ===== 返回顶部 ===== */
.page-privacy .pv-back-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  background: var(--pv-red);
  color: #fff;
  font-family: var(--font-head);
  font-size: 13px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .26);
  transition: background .2s, transform .2s;
}

.page-privacy .pv-back-top:hover {
  background: var(--pv-gold);
  transform: translateY(-2px);
}

.page-privacy .pv-back-top span:first-child {
  font-size: 17px;
  line-height: 1;
}

/* ===== 平板 · 中等屏幕 ===== */
@media (min-width: 768px) {
  .page-privacy .pv-hero {
    padding: 44px 0 72px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
  }

  .page-privacy .pv-hero h1 {
    font-size: 44px;
  }

  .page-privacy .pv-section {
    padding: 64px 0;
  }

  .page-privacy .pv-grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-privacy .pv-usage li {
    padding: 22px 0;
  }

  .page-privacy .pv-share-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-share-card:first-child {
    grid-column: 1 / -1;
  }

  .page-privacy .pv-rights-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-security-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .pv-update-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-privacy .pv-update-item:nth-child(2) {
    transform: translateY(18px);
  }

  .page-privacy .pv-cta {
    padding: 56px 0;
  }

  .page-privacy .pv-cta-inner {
    grid-template-columns: 1fr auto;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1024px) {
  .page-privacy .pv-hero {
    padding: 56px 0 88px;
  }

  .page-privacy .pv-hero h1 {
    font-size: 54px;
    max-width: 720px;
  }

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

  .page-privacy .pv-section {
    padding: 80px 0;
  }

  .page-privacy .pv-section-head {
    gap: 18px;
    margin-bottom: 28px;
  }

  .page-privacy .pv-icon {
    width: 52px;
    height: 52px;
  }

  .page-privacy .pv-icon svg {
    width: 26px;
    height: 26px;
  }

  .page-privacy .pv-lead,
  .page-privacy .pv-body > p,
  .page-privacy .pv-alert p {
    font-size: 16px;
  }

  .page-privacy .pv-grid-2 {
    gap: 26px;
  }

  .page-privacy .pv-card {
    padding: 28px;
  }

  .page-privacy .pv-card p,
  .page-privacy .pv-share-card p,
  .page-privacy .pv-right p,
  .page-privacy .pv-update-item p,
  .page-privacy .pv-usage p,
  .page-privacy .pv-highlight p {
    font-size: 15px;
  }

  .page-privacy .pv-share-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .pv-share-card:first-child {
    grid-column: auto;
    transform: translateY(-10px);
  }

  .page-privacy .pv-rights-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .pv-security {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .page-privacy .pv-security-stats {
    gap: 22px;
  }

  .page-privacy .pv-security-list li {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-privacy .pv-security-list li span {
    margin-bottom: 0;
  }

  .page-privacy .pv-cta {
    padding: 64px 0;
  }
}