/* ===== 数据与隐私页 ===== */
.page-privacy {
  --privacy-cut: 24px;
  background-color: var(--color-off-white);
  color: var(--color-dark-gray);
  font-family: var(--font-body);
  scroll-behavior: smooth;
}

/* ---- 面包屑（Hero 内） ---- */
.page-privacy .privacy-hero .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: 28px;
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-hero .breadcrumb-item,
.page-privacy .privacy-hero .breadcrumb-item a {
  color: var(--color-silver);
  text-decoration: none;
  font-size: 13px;
}

.page-privacy .privacy-hero .breadcrumb-item a:hover,
.page-privacy .privacy-hero .breadcrumb-item a:focus-visible {
  color: var(--color-primary-bright);
}

.page-privacy .privacy-hero .breadcrumb-item[aria-current="page"] {
  color: var(--color-white);
}

/* ---- Hero ---- */
.page-privacy .privacy-hero {
  position: relative;
  background-color: var(--color-dark);
  color: var(--color-white);
  padding-top: 24px;
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  background: var(--color-primary);
  opacity: 0.18;
  transform: rotate(12deg) skewX(-10deg);
  pointer-events: none;
}

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

.page-privacy .privacy-hero-top {
  display: grid;
  gap: 24px;
  align-items: end;
}

.page-privacy .privacy-hero-main {
  min-width: 0;
}

.page-privacy .privacy-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-number);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-primary-bright);
  margin-bottom: 16px;
}

.page-privacy .privacy-hero-tag::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--color-primary);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--color-white);
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-privacy .privacy-hero-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-silver);
  margin: 0 0 20px;
  max-width: 60em;
}

.page-privacy .privacy-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-privacy .privacy-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
  padding: 6px 12px;
}

.page-privacy .privacy-meta-svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-bright);
}

.page-privacy .privacy-hero-figure {
  position: relative;
  z-index: 1;
  margin: 32px 0 0;
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(
    0 0,
    calc(100% - var(--privacy-cut)) 0,
    100% var(--privacy-cut),
    100% 100%,
    var(--privacy-cut) 100%,
    0 calc(100% - var(--privacy-cut))
  );
}

.page-privacy .privacy-hero-figcap {
  position: absolute;
  right: 28px;
  bottom: 24px;
  margin: 0;
  padding: 4px 10px 4px 14px;
  background: rgba(10,27,61,0.88);
  color: var(--color-silver);
  font-size: 11px;
  font-family: var(--font-number);
  border-left: 2px solid var(--color-primary);
}

/* ---- 文档布局 ---- */
.page-privacy .privacy-doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 96px;
}

.page-privacy .privacy-doc-sidebar {
  min-width: 0;
}

.page-privacy .privacy-doc-nav {
  background: var(--color-white);
  padding: 20px;
  clip-path: polygon(
    0 0,
    calc(100% - 12px) 0,
    100% 12px,
    100% 100%,
    12px 100%,
    0 calc(100% - 12px)
  );
}

.page-privacy .privacy-nav-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-silver);
}

.page-privacy .privacy-nav-title {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-dark);
}

.page-privacy .privacy-nav-code {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-light-blue);
}

.page-privacy .privacy-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-nav-item {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: var(--color-dark-gray);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition:
    background-color var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.page-privacy .privacy-nav-link:hover,
.page-privacy .privacy-nav-link:focus-visible {
  color: var(--color-dark);
  border-bottom-color: var(--color-primary);
  background: var(--color-off-white);
}

.page-privacy .privacy-nav-index {
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-privacy .privacy-nav-text {
  font-size: 15px;
  font-weight: 500;
}

.page-privacy .privacy-nav-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.page-privacy .privacy-nav-actions .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  font-size: 14px;
  padding: 10px 16px;
}

.page-privacy .privacy-nav-terms {
  font-size: 14px;
  color: var(--color-light-blue);
  text-decoration: none;
  align-self: center;
}

.page-privacy .privacy-nav-terms:hover,
.page-privacy .privacy-nav-terms:focus-visible {
  color: var(--color-primary);
}

/* ---- 文档正文 ---- */
.page-privacy .privacy-doc-body {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-privacy .privacy-section {
  scroll-margin-top: 24px;
}

/* 章节头部 */
.page-privacy .privacy-section-head {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 28px;
}

.page-privacy .privacy-section-number {
  font-family: var(--font-number);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  color: var(--color-primary);
  background: var(--color-dark);
  padding: 10px 0;
  clip-path: polygon(
    0 0,
    calc(100% - 8px) 0,
    100% 8px,
    100% 100%,
    8px 100%,
    0 calc(100% - 8px)
  );
}

.page-privacy .privacy-section-titles h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.25;
  color: var(--color-dark);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-section-lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-dark-gray);
  margin: 0;
}

/* 通用警示块 */
.page-privacy .privacy-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-dark);
  color: var(--color-white);
  padding: 20px;
  margin-top: 24px;
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}

.page-privacy .privacy-callout-warn {
  box-shadow: inset 4px 0 0 var(--color-primary);
}

.page-privacy .privacy-callout-icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  color: var(--color-primary-bright);
}

.page-privacy .privacy-callout-body h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 4px;
}

.page-privacy .privacy-callout-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-silver);
  margin: 0;
}

.page-privacy .privacy-callout-body a,
.page-privacy .privacy-right-body a {
  color: var(--color-primary-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-privacy .privacy-callout-body a:hover,
.page-privacy .privacy-right-body a:hover {
  color: var(--color-white);
}

/* ---- 01 收集信息 ---- */
.page-privacy .privacy-data-group-list {
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-data-item {
  background: var(--color-white);
  padding: 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  position: relative;
}

.page-privacy .privacy-data-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-bright));
}

.page-privacy .privacy-data-code {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-light-blue);
  line-height: 1.4;
}

.page-privacy .privacy-data-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 6px;
}

.page-privacy .privacy-data-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-gray);
  margin: 0;
}

/* ---- 02 使用目的 ---- */
.page-privacy .privacy-purpose-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-purpose-item {
  background: var(--color-white);
  padding: 20px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-privacy .privacy-purpose-index {
  font-family: var(--font-number);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.page-privacy .privacy-purpose-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 6px;
}

.page-privacy .privacy-purpose-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-gray);
  margin: 0;
}

/* ---- 03 共享与对外 ---- */
.page-privacy .privacy-sharing-deck {
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-sharing-card {
  background: var(--color-white);
  padding: 24px 20px;
  position: relative;
}

.page-privacy .privacy-sharing-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, var(--color-primary) 50%);
}

.page-privacy .privacy-sharing-code {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-light-blue);
  margin-bottom: 8px;
}

.page-privacy .privacy-sharing-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 6px;
}

.page-privacy .privacy-sharing-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-gray);
  margin: 0;
}

/* ---- 04 数据安全 ---- */
.page-privacy .privacy-security-list {
  display: grid;
  border-top: 1px solid var(--color-silver);
}

.page-privacy .privacy-security-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-silver);
}

.page-privacy .privacy-security-layer {
  font-family: var(--font-number);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
}

.page-privacy .privacy-security-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 6px;
}

.page-privacy .privacy-security-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-gray);
  margin: 0;
}

/* ---- 05 用户权利 ---- */
.page-privacy .privacy-rights-list {
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-right-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  background: var(--color-white);
  padding: 16px 20px;
}

.page-privacy .privacy-right-icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.page-privacy .privacy-right-svg {
  width: 100%;
  height: 100%;
}

.page-privacy .privacy-right-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 4px;
}

.page-privacy .privacy-right-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-dark-gray);
  margin: 0;
}

/* ---- 相关文档 ---- */
.page-privacy .privacy-related {
  padding-top: 32px;
  border-top: 3px solid var(--color-dark);
}

.page-privacy .privacy-related-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.page-privacy .privacy-related-code {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-light-blue);
}

.page-privacy .privacy-related-head h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-dark);
  margin: 0;
}

.page-privacy .privacy-related-links {
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-related-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-white);
  color: var(--color-dark-gray);
  text-decoration: none;
  transition:
    background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.page-privacy .privacy-related-card:hover,
.page-privacy .privacy-related-card:focus-visible {
  background: var(--color-dark);
  color: var(--color-white);
}

.page-privacy .privacy-related-index {
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-privacy .privacy-related-text {
  font-size: 15px;
}

.page-privacy .privacy-related-arrow {
  font-size: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-speed) ease;
}

.page-privacy .privacy-related-card:hover .privacy-related-arrow,
.page-privacy .privacy-related-card:focus-visible .privacy-related-arrow {
  transform: translateX(4px);
}

/* ---- 桌面端布局 ---- */
@media (min-width: 768px) {
  .page-privacy .privacy-hero-top {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-privacy .privacy-hero-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 42px;
  }

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

  .page-privacy .privacy-doc-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 48px;
  }

  .page-privacy .privacy-doc-sidebar {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-privacy .privacy-nav-list {
    display: grid;
    gap: 4px;
    overflow: visible;
  }

  .page-privacy .privacy-nav-item {
    flex: none;
  }

  .page-privacy .privacy-nav-link {
    border-left: 2px solid transparent;
    border-bottom: none;
    white-space: normal;
    padding: 10px 12px;
  }

  .page-privacy .privacy-nav-link:hover,
  .page-privacy .privacy-nav-link:focus-visible {
    background: var(--color-off-white);
    border-left-color: var(--color-primary);
    border-bottom-color: transparent;
  }

  .page-privacy .privacy-nav-actions {
    display: grid;
    gap: 12px;
    margin-top: 20px;
  }

  .page-privacy .privacy-nav-actions .btn {
    flex: none;
    width: 100%;
  }

  .page-privacy .privacy-section-head {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 20px;
  }

  .page-privacy .privacy-section-number {
    font-size: 52px;
  }

  .page-privacy .privacy-section-titles h2 {
    font-size: 32px;
  }
}

/* ---- 宽桌面多列 ---- */
@media (min-width: 1100px) {
  .page-privacy .privacy-data-group-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .privacy-purpose-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-privacy .privacy-rights-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

/* ---- 减少动态效果 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }

  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}