/* =========================================================
   page-privacy 专属样式
   作用域：.page-privacy
   移动端优先 + 桌面增强
   引用 site_kit.css_variables 中的设计令牌
   新增变量在 .page-privacy 内定义
   ========================================================= */
.page-privacy {
  --privacy-bg: #FFFFFF;
  --privacy-text: #1A1A1A;
  --privacy-text-secondary: #666666;
  --privacy-accent: #0066CC;
  --privacy-accent-light: #E8F0FE;
  --privacy-orange: #FF6600;
  --privacy-border: #E6E0D6;
  --privacy-border-strong: #CCC6BA;
  --privacy-shadow: 0 4px 20px rgba(0,0,0,0.06);
  --privacy-radius: 8px;
  --privacy-index-width: 200px;
  --privacy-content-max: 760px;
  --privacy-gap: 48px;

  background-color: var(--privacy-bg);
  color: var(--privacy-text);
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  line-height: var(--line-height-body, 1.6);
  letter-spacing: var(--letter-spacing, 0.02em);
  padding: 0 0 64px 0;
}

/* ---------- 容器 ---------- */
.page-privacy__container {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 面包屑 ---------- */
.page-privacy__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 20px 0 12px;
  font-size: var(--size-small, 0.875rem);
  color: var(--privacy-text-secondary);
  flex-wrap: wrap;
}
.page-privacy__breadcrumb a {
  color: var(--privacy-accent);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}
.page-privacy__breadcrumb a:hover,
.page-privacy__breadcrumb a:focus-visible {
  color: var(--privacy-orange);
  outline: var(--focus-outline, 3px solid #FF6600);
  outline-offset: var(--focus-offset, 4px);
}
.page-privacy__breadcrumb-sep {
  color: var(--privacy-border-strong);
  user-select: none;
}
.page-privacy__breadcrumb [aria-current="page"] {
  color: var(--privacy-text);
  font-weight: 500;
}

/* ---------- 标题区 ---------- */
.page-privacy__hero {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 8px 0 32px;
  border-bottom: 2px solid var(--privacy-border);
  margin-bottom: 40px;
}
.page-privacy__hero-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  overflow: hidden;
  border-radius: 8px;
}
.page-privacy__hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-privacy__hero-text {
  flex: 1;
  min-width: 0;
}
.page-privacy__title {
  font-family: var(--font-heading, 'Inter Bold', 'Helvetica Neue', Arial, sans-serif);
  font-size: var(--size-h1, 3rem);
  font-weight: 700;
  line-height: var(--line-height-heading, 1.2);
  color: var(--privacy-text);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.page-privacy__subtitle {
  font-size: var(--size-body, 1rem);
  color: var(--privacy-text-secondary);
  margin: 0;
  max-width: 600px;
}

/* ---------- 布局：索引 + 内容 ---------- */
.page-privacy__layout {
  display: flex;
  gap: var(--privacy-gap);
  align-items: flex-start;
  position: relative;
}

/* --- 左侧索引 --- */
.page-privacy__index {
  width: var(--privacy-index-width);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height, 64px) + 24px);
  max-height: calc(100vh - var(--header-height, 64px) - 48px);
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}
.page-privacy__index::-webkit-scrollbar {
  width: 4px;
}
.page-privacy__index::-webkit-scrollbar-thumb {
  background: var(--privacy-border);
  border-radius: 4px;
}
.page-privacy__index-nav {
  background: var(--privacy-accent);
  border-radius: var(--privacy-radius);
  padding: 20px 16px;
  box-shadow: var(--privacy-shadow);
}
.page-privacy__index-heading {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--size-small, 0.875rem);
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.25);
}
.page-privacy__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-privacy__index-link {
  display: block;
  font-size: var(--size-small, 0.875rem);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 6px 0 6px 12px;
  border-left: 2px solid transparent;
  transition: all var(--transition, 0.25s ease);
  line-height: 1.4;
}
.page-privacy__index-link:hover,
.page-privacy__index-link:focus-visible {
  color: #FFFFFF;
  border-left-color: var(--privacy-orange);
  padding-left: 16px;
  outline: none;
}
.page-privacy__index-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
  border-radius: 2px;
}
.page-privacy__index-note {
  margin-top: 16px;
  padding: 12px 0 0;
  font-size: 0.75rem;
  color: var(--privacy-text-secondary);
  border-top: 1px solid var(--privacy-border);
}

/* --- 右侧内容区 --- */
.page-privacy__content {
  flex: 1;
  min-width: 0;
  max-width: var(--privacy-content-max);
}

/* ---------- 章节通用 ---------- */
.page-privacy__section {
  margin-bottom: 40px;
}
.page-privacy__section--intro {
  margin-bottom: 24px;
}
.page-privacy__section-title {
  font-family: var(--font-heading);
  font-size: var(--size-h2, 2rem);
  font-weight: 700;
  line-height: var(--line-height-heading, 1.2);
  color: var(--privacy-text);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--privacy-orange);
  display: inline-block;
  position: relative;
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}
.page-privacy__section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 3px;
  background: var(--privacy-orange);
  transition: width var(--transition, 0.25s ease);
}
.page-privacy__section-title:hover::after,
.page-privacy__section-title:focus-visible::after {
  width: 100%;
}
.page-privacy__text {
  font-size: var(--size-body, 1rem);
  color: var(--privacy-text);
  margin: 0 0 16px;
}
.page-privacy__text-lead {
  font-size: 1.125rem;
  color: var(--privacy-text);
  font-weight: 500;
  margin: 0 0 12px;
  line-height: 1.7;
}
.page-privacy__text--note {
  font-size: var(--size-small, 0.875rem);
  color: var(--privacy-text-secondary);
  margin-top: 4px;
  padding: 8px 12px;
  background: var(--privacy-accent-light);
  border-radius: 6px;
  border-left: 3px solid var(--privacy-accent);
}
.page-privacy__inline-link {
  color: var(--privacy-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition, 0.25s ease);
}
.page-privacy__inline-link:hover,
.page-privacy__inline-link:focus-visible {
  color: var(--privacy-orange);
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* ---------- 分隔线 ---------- */
.page-privacy__divider {
  height: 1px;
  background: linear-gradient(to right, var(--privacy-border) 0%, transparent 100%);
  margin: 32px 0 0;
}

/* ---------- 列表 ---------- */
.page-privacy__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-privacy__list-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: var(--privacy-radius);
  background: #FAFAFA;
  border: 1px solid var(--privacy-border);
  transition: box-shadow var(--transition, 0.25s ease);
}
.page-privacy__list-item:hover {
  box-shadow: var(--privacy-shadow);
}
.page-privacy__list-label {
  font-weight: 600;
  color: var(--privacy-text);
  white-space: nowrap;
}
.page-privacy__list-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--privacy-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  margin-top: 2px;
}
.page-privacy__list--rights .page-privacy__list-item {
  padding: 14px 18px;
}
.page-privacy__list--rights .page-privacy__list-item div {
  flex: 1;
  min-width: 0;
}
.page-privacy__list--rights .page-privacy__list-item .page-privacy__list-label {
  display: inline;
  white-space: normal;
}

/* ---------- 目的卡片网格 ---------- */
.page-privacy__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 20px;
}
.page-privacy__purpose-card {
  padding: 24px 20px 20px;
  border-radius: var(--privacy-radius);
  border: 1px solid var(--privacy-border);
  background: #FFFFFF;
  transition: all var(--transition, 0.25s ease);
  position: relative;
}
.page-privacy__purpose-card:hover {
  border-color: var(--privacy-accent);
  box-shadow: var(--privacy-shadow);
  transform: translateY(-2px);
}
.page-privacy__purpose-num {
  display: inline-block;
  font-family: var(--font-digit, 'JetBrains Mono', monospace);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--privacy-accent);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: 8px;
}
.page-privacy__purpose-title {
  font-family: var(--font-heading);
  font-size: var(--size-h3, 1.5rem);
  font-weight: 600;
  color: var(--privacy-text);
  margin: 0 0 10px;
}
.page-privacy__purpose-desc {
  font-size: var(--size-body, 1rem);
  color: var(--privacy-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ---------- 联系卡片 ---------- */
.page-privacy__contact-card {
  background: var(--privacy-accent-light);
  border-radius: var(--privacy-radius);
  padding: 24px;
  margin: 0 0 16px;
  border-left: 4px solid var(--privacy-accent);
}
.page-privacy__contact-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,102,204,0.1);
}
.page-privacy__contact-row:last-child {
  border-bottom: none;
}
.page-privacy__contact-label {
  flex-shrink: 0;
  width: 56px;
  font-weight: 600;
  font-size: var(--size-small, 0.875rem);
  color: var(--privacy-accent);
}
.page-privacy__contact-value {
  font-size: var(--size-body, 1rem);
  color: var(--privacy-text);
  word-break: break-all;
}
.page-privacy__contact-value a {
  color: var(--privacy-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-privacy__contact-value a:hover {
  color: var(--privacy-orange);
}

/* ---------- 政策页脚 ---------- */
.page-privacy__policy-footer {
  margin-top: 48px;
  padding: 24px 0 0;
  border-top: 2px solid var(--privacy-border);
}
.page-privacy__policy-footer .page-privacy__text {
  font-size: var(--size-small, 0.875rem);
  color: var(--privacy-text-secondary);
}

/* =========================================================
   响应式：桌面增强 (≥ 768px)
   ========================================================= */
@media (min-width: 768px) {
  .page-privacy__container {
    padding: 0 32px;
  }
  .page-privacy__hero {
    padding: 16px 0 40px;
    gap: 28px;
  }
  .page-privacy__card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-privacy__purpose-card {
    padding: 28px 22px 22px;
  }
  .page-privacy__list-item {
    padding: 16px 20px;
  }
  .page-privacy__contact-card {
    padding: 28px 32px;
  }
  .page-privacy__index-note {
    font-size: 0.8rem;
  }
}

/* =========================================================
   响应式：宽屏增强 (≥ 1024px)
   ========================================================= */
@media (min-width: 1024px) {
  .page-privacy__container {
    padding: 0 48px;
  }
  .page-privacy__hero {
    padding: 24px 0 48px;
    gap: 32px;
    margin-bottom: 48px;
  }
  .page-privacy__title {
    font-size: 3.2rem;
  }
  .page-privacy__subtitle {
    font-size: 1.125rem;
  }
  .page-privacy__section-title {
    font-size: 2.2rem;
  }
  .page-privacy__card-grid {
    gap: 24px;
  }
}

/* =========================================================
   窄屏适配：移动端 (≤ 767px)
   索引变为折叠式置于顶部，内容全宽
   ========================================================= */
@media (max-width: 767px) {
  .page-privacy__layout {
    flex-direction: column;
    gap: 24px;
  }
  .page-privacy__index {
    position: static;
    width: 100%;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
  .page-privacy__index-nav {
    padding: 16px;
  }
  .page-privacy__index-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .page-privacy__index-link {
    padding: 6px 12px;
    border-left: none;
    border-bottom: 2px solid transparent;
    font-size: 0.8125rem;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
  }
  .page-privacy__index-link:hover,
  .page-privacy__index-link:focus-visible {
    border-left: none;
    border-bottom-color: var(--privacy-orange);
    padding-left: 12px;
    background: rgba(255,255,255,0.2);
  }
  .page-privacy__index-note {
    display: none;
  }
  .page-privacy__title {
    font-size: 2rem;
  }
  .page-privacy__hero-icon {
    width: 56px;
    height: 56px;
  }
  .page-privacy__hero-img {
    width: 56px;
    height: 56px;
    object-fit: cover;
  }
  .page-privacy__section-title {
    font-size: 1.5rem;
    display: block;
  }
  .page-privacy__list-item {
    flex-direction: column;
    gap: 6px;
  }
  .page-privacy__list-label {
    white-space: normal;
  }
  .page-privacy__list-icon {
    align-self: flex-start;
  }
  .page-privacy__list--rights .page-privacy__list-item {
    flex-direction: row;
  }
  .page-privacy__contact-row {
    flex-direction: column;
    gap: 4px;
  }
  .page-privacy__contact-label {
    width: auto;
  }
  .page-privacy__breadcrumb {
    padding: 12px 0 8px;
    font-size: 0.8125rem;
  }
}

/* =========================================================
   极窄屏 (≤ 480px)
   ========================================================= */
@media (max-width: 480px) {
  .page-privacy__container {
    padding: 0 12px;
  }
  .page-privacy__title {
    font-size: 1.6rem;
  }
  .page-privacy__hero-icon {
    width: 44px;
    height: 44px;
  }
  .page-privacy__hero-img {
    width: 44px;
    height: 44px;
    object-fit: cover;
  }
  .page-privacy__section-title {
    font-size: 1.3rem;
  }
  .page-privacy__purpose-card {
    padding: 18px 16px 16px;
  }
  .page-privacy__purpose-num {
    font-size: 1.2rem;
  }
  .page-privacy__purpose-title {
    font-size: 1.2rem;
  }
}