.page-privacy {
  --pv-grid-size: 32px;
  --pv-grid-line: rgba(57, 255, 136, 0.03);
  --pv-card-bg: linear-gradient(160deg, rgba(22, 35, 63, 0.82), rgba(16, 26, 48, 0.92));
  position: relative;
  background-color: var(--void);
  color: var(--fog);
  font-family: var(--body-font);
}

/* ========== Hero 首屏 ========== */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 52px;
  background:
    radial-gradient(ellipse 80% 60% at 22% 8%, rgba(57, 255, 136, 0.09), transparent 62%),
    radial-gradient(ellipse 60% 50% at 86% 28%, rgba(255, 122, 26, 0.06), transparent 55%);
  border-bottom: 1px solid rgba(57, 255, 136, 0.14);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 46%;
  height: 100%;
  background: linear-gradient(135deg, transparent 26%, rgba(22, 35, 63, 0.65) 26%, rgba(22, 35, 63, 0.65) 68%, transparent 68%);
  clip-path: polygon(32% 0, 100% 0, 84% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

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

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-privacy .pv-hero-flag {
  position: absolute;
  top: 96px;
  right: 36px;
  z-index: 1;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 12px;
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lime);
  background: rgba(16, 26, 48, 0.65);
  border: 1px solid rgba(57, 255, 136, 0.3);
  border-radius: 4px;
  transform: skewX(-14deg);
  backdrop-filter: blur(4px);
}

.page-privacy .pv-hero-flag span {
  display: inline-block;
  transform: skewX(14deg);
}

.page-privacy .pv-hero-flag-bar {
  width: 32px;
  height: 2px;
  background: var(--ember);
  flex-shrink: 0;
}

.page-privacy .pv-kicker {
  margin: 0 0 12px;
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-privacy .pv-hero h1 {
  margin: 0 0 16px;
  max-width: 820px;
  font-family: var(--title-font);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.22;
  color: var(--moon);
}

.page-privacy .pv-lede {
  margin: 0 0 24px;
  max-width: 680px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .pv-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-family: var(--mono-font);
  color: var(--teal);
  background: rgba(16, 26, 48, 0.72);
  border: 1px solid rgba(45, 224, 192, 0.2);
  border-radius: 999px;
}

/* ========== 文档布局 ========== */
.page-privacy .pv-doc-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 34px 0 88px;
  background-image:
    linear-gradient(var(--pv-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-grid-line) 1px, transparent 1px);
  background-size: var(--pv-grid-size) var(--pv-grid-size);
}

.page-privacy .pv-content {
  flex: 1;
  min-width: 0;
}

/* ========== 浮动目录 ========== */
.page-privacy .pv-toc {
  order: -1;
  flex-shrink: 0;
  padding: 14px 16px;
  background: rgba(16, 26, 48, 0.82);
  border: 1px solid rgba(57, 255, 136, 0.14);
  border-radius: var(--radius);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(57, 255, 136, 0.25) transparent;
}

.page-privacy .pv-toc-title {
  display: none;
  margin: 0 0 18px;
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--moon);
}

.page-privacy .pv-toc-title span {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--lime);
}

.page-privacy .pv-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.page-privacy .pv-toc-list li {
  flex-shrink: 0;
}

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  font-size: 12px;
  color: var(--fog);
  text-decoration: none;
  border: 1px solid rgba(57, 255, 136, 0.18);
  border-radius: 6px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--moon);
  background: rgba(57, 255, 136, 0.08);
  border-color: rgba(57, 255, 136, 0.5);
}

.page-privacy .pv-toc-num {
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--lime);
}

.page-privacy .pv-toc-footer {
  display: none;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed rgba(57, 255, 136, 0.2);
}

.page-privacy .pv-toc-footer a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ember);
  text-decoration: none;
  transition: opacity 0.2s var(--ease);
}

.page-privacy .pv-toc-footer a:hover,
.page-privacy .pv-toc-footer a:focus-visible {
  opacity: 0.75;
}

/* ========== 章节 ========== */
.page-privacy .pv-section {
  padding: 28px 0;
  border-top: 1px solid rgba(57, 255, 136, 0.12);
}

.page-privacy .pv-section:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .pv-section + .pv-section {
  margin-top: 8px;
}

.page-privacy .pv-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.page-privacy .pv-section-index {
  flex-shrink: 0;
  padding: 2px 9px;
  font-family: var(--mono-font);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--lime);
  background: rgba(57, 255, 136, 0.08);
  border: 1px solid rgba(57, 255, 136, 0.2);
  border-radius: 4px;
}

.page-privacy .pv-section-meta h2 {
  margin: 0 0 4px;
  font-family: var(--title-font);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.3;
  color: var(--moon);
}

.page-privacy .pv-section-sub {
  margin: 0;
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(168, 184, 208, 0.55);
}

/* ========== Prose 补充 ========== */
.page-privacy .prose ul {
  padding-left: 1.25em;
}

.page-privacy .prose li {
  margin-bottom: 6px;
  line-height: 1.75;
}

.page-privacy .prose mark {
  position: relative;
  padding: 0 2px;
  color: var(--moon);
  background: transparent;
  font-weight: 700;
}

.page-privacy .prose mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--amber);
  transform: scaleX(1);
  transform-origin: left;
  animation: pv-mark-charge 3.2s var(--ease) 1 both;
}

@keyframes pv-mark-charge {
  0% {
    transform: scaleX(0);
  }
  30% {
    transform: scaleX(1);
  }
  46% {
    transform: scaleX(0.6);
  }
  62% {
    transform: scaleX(1);
  }
  78% {
    transform: scaleX(0.88);
  }
  100% {
    transform: scaleX(1);
  }
}

/* ========== 数据卡片 ========== */
.page-privacy .pv-data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 24px 0;
}

.page-privacy .pv-data-card {
  padding: 22px 20px;
  background: var(--pv-card-bg);
  border: 1px solid rgba(57, 255, 136, 0.14);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .pv-data-card:hover {
  border-color: rgba(57, 255, 136, 0.45);
  transform: translateY(-3px);
}

.page-privacy .pv-data-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-privacy .pv-data-card-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--moon);
}

.page-privacy .pv-data-num {
  font-family: var(--mono-font);
  font-size: 13px;
  color: var(--lime);
}

.page-privacy .pv-data-card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-privacy .pv-data-tag {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--datum);
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.25);
  border-radius: 999px;
}

/* ========== 本地存储列表 ========== */
.page-privacy .pv-storage-list {
  margin: 20px 0;
}

.page-privacy .pv-storage-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(45, 224, 192, 0.18);
}

.page-privacy .pv-storage-row:last-child {
  border-bottom: none;
}

.page-privacy .pv-storage-row h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--moon);
}

.page-privacy .pv-storage-row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-privacy .pv-storage-badge {
  flex-shrink: 0;
  padding: 4px 10px;
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--teal);
  white-space: nowrap;
  border: 1px solid rgba(45, 224, 192, 0.3);
  border-radius: 999px;
}

/* ========== 折叠说明 ========== */
.page-privacy .pv-details {
  margin-top: 20px;
  padding: 0 16px;
  background: rgba(16, 26, 48, 0.6);
  border: 1px solid rgba(57, 255, 136, 0.18);
  border-radius: 8px;
}

.page-privacy .pv-details summary {
  padding: 14px 0;
  font-weight: 700;
  color: var(--moon);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-details summary::before {
  content: "+";
  display: inline-block;
  margin-right: 8px;
  font-family: var(--mono-font);
  color: var(--lime);
  transition: transform 0.2s var(--ease);
}

.page-privacy .pv-details[open] summary::before {
  content: "−";
}

.page-privacy .pv-details-body {
  margin: 0;
  padding: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

/* ========== 安全措施 ========== */
.page-privacy .pv-security {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  margin: 24px 0 8px;
}

.page-privacy .pv-security-figure {
  margin: 0;
}

.page-privacy .pv-security-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(57, 255, 136, 0.15);
  object-fit: cover;
}

.page-privacy .pv-security-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  text-align: right;
  color: var(--fog);
}

/* ========== 数据流可视化 ========== */
.page-privacy .pv-flow-viz {
  margin: 8px 0 0;
  padding-top: 20px;
  border-top: 1px dashed rgba(57, 255, 136, 0.18);
}

.page-privacy .pv-flow-viz svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pv-flow-viz svg text {
  font-family: var(--mono-font);
}

.page-privacy .pv-flow-path {
  stroke-dasharray: 8 8;
  animation: pv-dash-flow 1.4s linear infinite;
}

.page-privacy .pv-flow-path--b {
  animation-delay: 0.45s;
}

@keyframes pv-dash-flow {
  to {
    stroke-dashoffset: -16;
  }
}

/* ========== 用户权利 ========== */
.page-privacy .pv-right-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0;
}

.page-privacy .pv-right-card {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background: rgba(16, 26, 48, 0.55);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .pv-right-card:hover {
  background: rgba(22, 35, 63, 0.7);
  transform: translateX(4px);
}

.page-privacy .pv-right-code {
  margin-bottom: 8px;
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--teal);
}

.page-privacy .pv-right-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--moon);
}

.page-privacy .pv-right-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fog);
}

/* ========== 联系卡片 ========== */
.page-privacy .pv-contact-card {
  margin: 24px 0;
  padding: 24px;
  background:
    linear-gradient(160deg, rgba(255, 122, 26, 0.07), transparent 60%),
    rgba(16, 26, 48, 0.78);
  border: 1px solid rgba(255, 122, 26, 0.25);
  border-radius: var(--radius);
}

.page-privacy .pv-contact-card-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--moon);
}

.page-privacy .pv-contact-card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-privacy .pv-contact-card .btn {
  margin-top: 6px;
}

/* ========== 平板与桌面断点 ========== */
@media (min-width: 768px) {
  .page-privacy .pv-hero {
    padding: 120px 0 64px;
  }

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

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

  .page-privacy .pv-section-meta h2 {
    font-size: 26px;
  }

  .page-privacy .pv-section-index {
    font-size: 15px;
  }

  .page-privacy .pv-data-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-privacy .pv-security {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
  }

  .page-privacy .pv-right-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 992px) {
  .page-privacy .pv-hero-flag {
    display: flex;
  }

  .page-privacy .pv-hero h1 {
    font-size: 56px;
  }

  .page-privacy .pv-doc-layout {
    flex-direction: row;
    gap: 56px;
    padding: 56px 0 112px;
    align-items: flex-start;
  }

  .page-privacy .pv-toc {
    order: 2;
    position: sticky;
    top: 96px;
    width: 280px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
  }

  .page-privacy .pv-toc-title {
    display: block;
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    gap: 0;
    white-space: normal;
    border-left: 1px solid rgba(57, 255, 136, 0.18);
  }

  .page-privacy .pv-toc-list li {
    flex-shrink: 1;
  }

  .page-privacy .pv-toc-list a {
    display: flex;
    padding: 10px 16px;
    font-size: 13px;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  .page-privacy .pv-toc-list a:hover,
  .page-privacy .pv-toc-list a:focus-visible {
    background: linear-gradient(90deg, rgba(57, 255, 136, 0.1), transparent 80%);
    border-left-color: var(--lime);
  }

  .page-privacy .pv-toc-footer {
    display: block;
  }

  .page-privacy .pv-section {
    padding: 36px 0;
  }
}

/* ========== 减少动态偏好 ========== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .prose mark::after,
  .page-privacy .pv-flow-path {
    animation: none;
  }

  .page-privacy .prose mark::after {
    transform: scaleX(1);
  }
}