/* ===== 隐私政策页 · page-privacy ===== */
.page-privacy {
  --privacy-toc-w: 248px;
}

/* ---- Hero 首屏 ---- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-primary);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 106, 0, 0.16) 0%, transparent 34%),
    radial-gradient(circle at 10% 92%, rgba(255, 255, 255, 0.06) 0%, transparent 40%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 28px);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  z-index: 1;
  background: linear-gradient(90deg, var(--c-accent) 0%, rgba(255, 106, 0, 0.25) 48%, transparent 78%);
}

.page-privacy .privacy-hero .page-container {
  position: relative;
  z-index: 1;
  padding-top: 28px;
  padding-bottom: 0;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-privacy .privacy-hero .breadcrumb-item,
.page-privacy .privacy-hero .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.72);
}

.page-privacy .privacy-hero .breadcrumb-item a:hover {
  color: var(--c-accent);
}

.page-privacy .privacy-hero .breadcrumb-item[aria-current="page"] {
  color: #fff;
}

.page-privacy .privacy-hero .mono-label {
  color: var(--c-accent);
}

.page-privacy .privacy-hero .display-title {
  color: #fff;
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.12;
  margin: 10px 0 14px;
  max-width: 14em;
}

.page-privacy .privacy-hero .display-sub {
  color: rgba(255, 255, 255, 0.78);
  max-width: 38em;
  margin: 0;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 28px;
}

.page-privacy .privacy-hero__fig {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--c-dark);
}

.page-privacy .privacy-hero__figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.page-privacy .privacy-hero__fig-no {
  color: var(--c-accent);
  font-weight: 700;
}

/* ---- 文档主布局 ---- */
.page-privacy .privacy-layout {
  display: block;
  padding-top: 8px;
}

/* ---- 章节目录 ---- */
.page-privacy .privacy-toc {
  margin: 0 0 12px;
}

.page-privacy .privacy-toc__caption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gray);
}

.page-privacy .privacy-toc__caption::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-accent);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .toc-link {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: var(--c-white);
  color: var(--c-gray);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-primary);
}

.page-privacy .toc-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-accent);
  transition: color var(--transition);
}

.page-privacy .privacy-toc__stamp {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--c-border);
}

.page-privacy .privacy-toc__ring {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-accent-dark);
  border: 1.5px dashed var(--c-accent);
  border-radius: 6px;
  padding: 5px 10px;
  transform: rotate(-2deg);
}

.page-privacy .privacy-toc__hint {
  margin: 0;
  font-size: 12px;
  color: var(--c-gray);
}

/* ---- 正文区 ---- */
.page-privacy .privacy-doc {
  padding-bottom: 64px;
}

.page-privacy .privacy-doc::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-border) 70%);
  margin: 8px 0 8px;
}

.page-privacy .privacy-section {
  padding: 36px 0;
  border-bottom: 1px solid var(--c-border);
  border-left: 3px solid transparent;
  padding-left: 16px;
  margin-left: -3px;
  scroll-margin-top: 84px;
  transition: border-color var(--transition);
}

.page-privacy .privacy-section:first-of-type {
  padding-top: 20px;
}

.page-privacy .privacy-section:last-child {
  border-bottom: none;
  padding-bottom: 8px;
}

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

.page-privacy .privacy-section__index {
  flex: 0 0 auto;
  min-width: 44px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 7px 8px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-privacy .privacy-section__heading {
  flex: 1;
}

.page-privacy .privacy-section__title {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--c-primary);
  margin: 0 0 6px;
  transition: color var(--transition);
}

.page-privacy .privacy-section__lead {
  margin: 0;
  font-size: 15px;
  color: var(--c-gray);
  line-height: 1.6;
}

.page-privacy .privacy-section__body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-text);
  max-width: 60em;
}

.page-privacy .privacy-section__body p {
  margin: 0 0 16px;
}

.page-privacy .privacy-section__body a {
  color: var(--c-accent-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(224, 94, 0, 0.4);
}

.page-privacy .privacy-section__body a:hover {
  color: var(--c-accent);
}

/* ---- 列表 ---- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  line-height: 1.8;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.82em;
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 2px;
}

/* ---- 数据安全速览 ---- */
.page-privacy .security-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 24px 0 28px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .security-stat {
  background: var(--c-primary);
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-privacy .security-stat__num {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: #fff;
}

.page-privacy .security-stat__unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-privacy .security-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

/* ---- 联系模块 ---- */
.page-privacy .privacy-contact {
  background: var(--c-paper);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 8px;
}

.page-privacy .privacy-contact__label {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--c-gray);
}

.page-privacy .privacy-contact__row {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-primary);
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-gray);
}

/* ---- 备案信息 ---- */
.page-privacy .privacy-icp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gray);
  border-top: 1px dashed var(--c-border);
  padding-top: 16px;
  margin-top: 24px;
}

/* ---- :target 高亮（点击目录后的渐进增强） ---- */
.page-privacy .privacy-section:target {
  border-left-color: var(--c-accent);
}

.page-privacy .privacy-section:target .privacy-section__title {
  color: var(--c-accent-dark);
}

.page-privacy .privacy-section:target .privacy-section__index {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: #fff;
}

.page-privacy:has(#collect:target) .privacy-toc__item:nth-child(1) .toc-link,
.page-privacy:has(#usage:target) .privacy-toc__item:nth-child(2) .toc-link,
.page-privacy:has(#storage:target) .privacy-toc__item:nth-child(3) .toc-link,
.page-privacy:has(#rights:target) .privacy-toc__item:nth-child(4) .toc-link,
.page-privacy:has(#cookies:target) .privacy-toc__item:nth-child(5) .toc-link,
.page-privacy:has(#update:target) .privacy-toc__item:nth-child(6) .toc-link {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

.page-privacy:has(#collect:target) .privacy-toc__item:nth-child(1) .toc-index,
.page-privacy:has(#usage:target) .privacy-toc__item:nth-child(2) .toc-index,
.page-privacy:has(#storage:target) .privacy-toc__item:nth-child(3) .toc-index,
.page-privacy:has(#rights:target) .privacy-toc__item:nth-child(4) .toc-index,
.page-privacy:has(#cookies:target) .privacy-toc__item:nth-child(5) .toc-index,
.page-privacy:has(#update:target) .privacy-toc__item:nth-child(6) .toc-index {
  color: var(--c-accent);
}

/* ---- 中等屏幕：四格安全指标 ---- */
@media (min-width: 600px) {
  .page-privacy .security-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- 桌面：侧边目录 + 正文 ---- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero .page-container {
    padding-top: 48px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
  }

  .page-privacy .privacy-hero__fig {
    margin: 0;
  }

  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 48px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 24px;
    margin: 0;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 22px 20px;
    box-shadow: 0 8px 24px rgba(7, 26, 46, 0.06);
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .toc-link {
    flex: none;
    border: none;
    border-radius: 8px;
    padding: 10px 12px;
    background: transparent;
    font-size: 14px;
    align-items: baseline;
  }

  .page-privacy .toc-link:hover,
  .page-privacy .toc-link:focus-visible {
    background: rgba(15, 43, 76, 0.06);
    border: none;
    color: var(--c-primary);
  }

  .page-privacy .privacy-toc__stamp {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-privacy .privacy-doc::before {
    margin-top: 0;
  }
}