.page-privacy {
  --pv-space: #1A0B2E;
  --pv-ink: #0D0518;
  --pv-cream: #F8F0FF;
  --pv-purple: #9B30FF;
  --pv-purple-dark: #4A1675;
  --pv-purple-light: #C57BFF;
  --pv-blue: #00D9FF;
  --pv-gold: #FFD700;
  --pv-green: #00FF88;
  --pv-white: #FFFFFF;
  --pv-white-70: rgba(255, 255, 255, 0.72);
  --pv-white-50: rgba(255, 255, 255, 0.5);
  --pv-border: rgba(155, 48, 255, 0.22);
  --pv-border-blue: rgba(0, 217, 255, 0.35);
  background: var(--pv-cream);
}

/* ===== Hero 首屏封面 ===== */
.pv-hero {
  background: var(--pv-space);
  color: var(--pv-white);
  position: relative;
  overflow: hidden;
  padding: 28px 0 52px;
}
.pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(120deg, rgba(0, 217, 255, 0.055) 0 1px, transparent 1px 14px);
  pointer-events: none;
}
.pv-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(155, 48, 255, 0.42), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.pv-hero .container {
  position: relative;
  z-index: 1;
}
.pv-hero .breadcrumb {
  color: var(--pv-white-70);
  margin-bottom: 34px;
}
.pv-hero .breadcrumb a {
  color: var(--pv-white-70);
  text-decoration: none;
  transition: color 0.2s ease;
}
.pv-hero .breadcrumb a:hover {
  color: var(--pv-blue);
}
.pv-hero .breadcrumb .current {
  color: var(--pv-white);
  font-weight: 600;
}
.pv-hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
.pv-hero__text .tag {
  margin-bottom: 18px;
}
.pv-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--pv-white);
  position: relative;
  padding-left: 16px;
}
.pv-hero h1::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 6px;
  background: linear-gradient(180deg, var(--pv-purple), var(--pv-blue));
  transform: skewX(-12deg);
  border-radius: 2px;
}
.pv-hero__lead {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 600;
  color: var(--pv-blue);
  letter-spacing: 0.04em;
}
.pv-hero__desc {
  margin: 0 0 26px;
  max-width: 46em;
  color: var(--pv-white-70);
  font-size: 15px;
  line-height: 1.85;
}
.pv-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.pv-hero__stat {
  flex: 1 1 120px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--pv-border);
  border-radius: 8px;
  padding: 14px 16px;
  min-width: 100px;
  backdrop-filter: blur(6px);
}
.pv-stat-num {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--pv-white);
  letter-spacing: -0.01em;
}
.pv-stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  color: var(--pv-white-50);
  letter-spacing: 0.08em;
}
.pv-hero__visual {
  position: relative;
}
.pv-hero__visual::before {
  content: "";
  position: absolute;
  inset: 12px -8px -8px 12px;
  border: 1px solid var(--pv-border-blue);
  border-radius: 12px;
  transform: rotate(1.6deg);
  pointer-events: none;
}
.pv-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  filter: saturate(1.1);
}

/* ===== 文档主体区 ===== */
.pv-doc {
  padding: 36px 0 64px;
}
.pv-doc__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

/* 目录 */
.pv-toc {
  position: relative;
  background: var(--pv-white);
  border: 1px solid var(--pv-border);
  border-left: 3px solid var(--pv-purple);
  border-radius: 8px;
  padding: 18px 14px;
  order: -1;
}
.pv-toc__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--pv-purple-dark);
  text-transform: uppercase;
}
.pv-toc a {
  display: block;
  padding: 9px 12px;
  margin: 2px 0;
  border-radius: 6px;
  border-left: 3px solid transparent;
  color: var(--pv-space);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.pv-toc a:hover {
  background: rgba(155, 48, 255, 0.07);
  color: var(--pv-purple);
  border-left-color: var(--pv-purple-light);
}
.pv-toc a.is-active {
  background: rgba(155, 48, 255, 0.09);
  border-left-color: var(--pv-purple);
  color: var(--pv-purple);
  font-weight: 700;
}

/* 正文章节 */
.pv-doc__body .chapter {
  background: var(--pv-white);
  border: 1px solid var(--pv-border);
  border-left: 4px solid var(--pv-purple);
  border-radius: 0 10px 10px 0;
  padding: 24px 20px 28px;
  margin-bottom: 24px;
  box-shadow: 0 6px 18px rgba(26, 11, 46, 0.05);
}
.pv-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}
.pv-chapter__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 10px;
  background: linear-gradient(135deg, var(--pv-purple), var(--pv-purple-dark));
  color: var(--pv-white);
  font-size: 18px;
  font-weight: 700;
  border-radius: 8px;
  transform: skewX(-8deg);
  flex-shrink: 0;
}
.pv-chapter__no::first-letter {
  transform: skewX(8deg);
}
.pv-chapter__head h2 {
  margin: 0 0 4px;
  font-size: 26px;
  line-height: 1.25;
  color: var(--pv-space);
  letter-spacing: -0.01em;
}
.pv-chapter__head p {
  margin: 0;
  font-size: 14px;
  color: var(--pv-space);
  opacity: 0.62;
  line-height: 1.6;
}
.pv-chapter__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-space);
  opacity: 0.82;
}
.pv-chapter__note {
  margin: 18px 0 0;
  padding: 12px 14px;
  background: rgba(0, 217, 255, 0.08);
  border-left: 3px solid var(--pv-blue);
  border-radius: 0 6px 6px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pv-space);
  opacity: 0.78;
}

/* 信息收集卡片 */
.pv-collect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.pv-collect-card {
  background: linear-gradient(180deg, rgba(248, 240, 255, 0.6), rgba(248, 240, 255, 0.3));
  border: 1px solid var(--pv-border);
  border-radius: 10px;
  padding: 18px 16px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pv-collect-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(155, 48, 255, 0.1);
}
.pv-collect-card h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  color: var(--pv-space);
}
.pv-collect-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pv-space);
  opacity: 0.78;
}

/* 信息使用 */
.pv-use-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 22px;
}
.pv-use-item {
  border: 1px solid var(--pv-border);
  border-radius: 10px;
  padding: 18px 16px;
  background: var(--pv-white);
  position: relative;
}
.pv-use-icon {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--pv-purple);
  background: rgba(155, 48, 255, 0.1);
  border-radius: 4px;
  margin-bottom: 10px;
}
.pv-use-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--pv-space);
}
.pv-use-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pv-space);
  opacity: 0.78;
}

/* 数据流向图 */
.pv-flow {
  margin-top: 22px;
  background: var(--pv-ink);
  border-radius: 12px;
  padding: 20px 16px;
  color: var(--pv-white);
  position: relative;
  overflow: hidden;
}
.pv-flow::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(155, 48, 255, 0.2), transparent 55%);
  pointer-events: none;
}
.pv-flow h3 {
  margin: 0 0 4px;
  font-size: 17px;
  color: var(--pv-white);
}
.pv-flow > p {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--pv-white-50);
}
.pv-flow__svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 724px;
  margin: 0 auto;
}

/* Cookie 区块 */
.pv-cookie-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pv-cookie-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  background: var(--pv-white);
  border: 1px solid var(--pv-border);
  border-radius: 10px;
  padding: 16px;
  align-items: center;
}
.pv-cookie-row__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--pv-space);
}
.pv-cookie-row__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--pv-space);
  opacity: 0.76;
}
.pv-cookie-row .tag {
  justify-self: start;
}

/* 用户权利折叠 */
.pv-rights-list {
  display: grid;
  gap: 12px;
}
.pv-right-item {
  background: var(--pv-white);
  border: 1px solid var(--pv-border);
  border-radius: 10px;
  overflow: hidden;
}
.pv-right-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pv-space);
  transition: background 0.2s ease;
  position: relative;
}
.pv-right-item summary::-webkit-details-marker {
  display: none;
}
.pv-right-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 22px;
  font-weight: 400;
  color: var(--pv-gold);
  transition: transform 0.25s ease;
}
.pv-right-item[open] summary {
  background: rgba(155, 48, 255, 0.06);
}
.pv-right-item[open] summary::after {
  transform: rotate(45deg);
}
.pv-right-detail {
  padding: 0 18px 18px;
  margin-top: -4px;
}
.pv-right-detail p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pv-space);
  opacity: 0.8;
}

/* 数据安全 */
.pv-safety-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.pv-safety-item {
  background: linear-gradient(135deg, rgba(248, 240, 255, 0.7), rgba(255, 255, 255, 0.9));
  border: 1px solid var(--pv-border);
  border-radius: 10px;
  padding: 18px 16px;
  position: relative;
  overflow: hidden;
}
.pv-safety-num {
  display: inline-block;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--pv-purple);
  margin-bottom: 10px;
}
.pv-safety-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--pv-space);
}
.pv-safety-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pv-space);
  opacity: 0.78;
}

/* 联系面板 */
.pv-contact-panel {
  background: var(--pv-space);
  border-radius: 14px;
  padding: 26px 20px;
  position: relative;
  overflow: hidden;
  color: var(--pv-white);
}
.pv-contact-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pv-purple), var(--pv-blue), var(--pv-gold));
}
.pv-contact-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(155, 48, 255, 0.35), transparent 70%);
  pointer-events: none;
}
.pv-contact-panel > * {
  position: relative;
  z-index: 1;
}
.pv-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 22px;
}
.pv-contact-item {
  border-left: 2px solid var(--pv-blue);
  padding-left: 14px;
}
.pv-contact-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--pv-blue);
  text-transform: uppercase;
  margin-bottom: 5px;
}
.pv-contact-value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--pv-white);
  margin-bottom: 5px;
  word-break: break-all;
}
.pv-contact-note {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--pv-white-50);
}
.pv-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 桌面端响应式 ===== */
@media (min-width: 960px) {
  .pv-hero {
    padding: 38px 0 72px;
  }
  .pv-hero__layout {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
  .pv-hero__stats {
    flex-wrap: nowrap;
  }
  .pv-doc {
    padding: 52px 0 80px;
  }
  .pv-doc__layout {
    grid-template-columns: 3fr 9fr;
    gap: 36px;
    align-items: start;
  }
  .pv-toc {
    position: sticky;
    top: 104px;
    order: 0;
    padding: 22px 18px;
  }
  .pv-doc__body .chapter {
    padding: 34px 36px 36px;
    margin-bottom: 28px;
  }
  .pv-collect-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .pv-use-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .pv-cookie-row {
    grid-template-columns: 1fr 2fr auto;
    gap: 16px;
    padding: 14px 18px;
  }
  .pv-cookie-row .tag {
    justify-self: end;
  }
  .pv-safety-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .pv-contact-panel {
    padding: 32px 30px;
  }
  .pv-contact-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
  .pv-hero h1 {
    padding-left: 20px;
  }
  .pv-hero h1::before {
    width: 7px;
  }
}