/* ===== 页面专属 CSS：隐私政策 ===== */
.page-privacy {
  --privacy-max-width: 780px;
  --privacy-number-size: 3.5rem;
  --privacy-highlight-color: var(--color-accent, #D32F2F);
  --privacy-border-color: rgba(211, 47, 47, 0.2);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', system-ui, sans-serif);
  color: var(--color-text, #3E2723);
  background-color: var(--color-bg, #FDF5E6);
  padding: var(--content-padding, clamp(1rem, 4vw, 2.5rem));
  padding-top: calc(var(--header-height, 56px) + 1.5rem);
  min-height: 100vh;
}

/* ---- 容器 ---- */
.page-privacy .privacy-container {
  max-width: var(--privacy-max-width);
  margin: 0 auto;
  position: relative;
}

/* ---- 面包屑 ---- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-size: 0.85rem;
  margin-bottom: 1.8rem;
  color: var(--color-text, #3E2723);
  opacity: 0.7;
}

.page-privacy .breadcrumb a {
  color: var(--color-accent, #D32F2F);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-default, 0.3s);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  border-bottom-color: currentColor;
}

.page-privacy .breadcrumb-sep {
  font-size: 0.75rem;
  color: var(--color-accent, #D32F2F);
}

.page-privacy .breadcrumb-current {
  font-weight: 600;
}

/* ---- 页面标题 ---- */
.page-privacy .privacy-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--privacy-border-color);
}

.page-privacy .privacy-title {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text, #3E2723);
  margin: 0 0 0.6rem 0;
  line-height: 1.15;
  position: relative;
  display: inline-block;
}

.page-privacy .privacy-title::after {
  content: '';
  position: absolute;
  bottom: -0.15rem;
  left: 0;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent, #D32F2F), transparent);
  border-radius: 2px;
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-text, #3E2723);
  opacity: 0.8;
}

.page-privacy .privacy-date {
  font-weight: 500;
}

.page-privacy .privacy-intro {
  margin-top: 1.2rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text, #3E2723);
}

.page-privacy .privacy-intro a {
  color: var(--color-accent, #D32F2F);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- 章节导航（TOC） ---- */
.page-privacy .privacy-toc {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid var(--privacy-border-color);
  border-right: 0;
  border-bottom: 0;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  padding: 1.2rem 1.8rem 1.2rem 1.4rem;
  margin-bottom: 2.8rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.2rem;
}

.page-privacy .toc-label {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent, #D32F2F);
  white-space: nowrap;
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}

.page-privacy .toc-list li {
  margin: 0;
  padding: 0;
}

.page-privacy .toc-list a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text, #3E2723);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-default, 0.3s), color var(--transition-default, 0.3s);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  border-bottom-color: var(--color-accent, #D32F2F);
  color: var(--color-accent, #D32F2F);
}

/* ---- 章节通用 ---- */
.page-privacy .privacy-section {
  margin-bottom: 3rem;
  scroll-margin-top: calc(var(--header-height, 56px) + 1rem);
}

.page-privacy .section-header {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.page-privacy .section-number {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: var(--privacy-number-size);
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent, #D32F2F);
  opacity: 0.25;
  flex-shrink: 0;
  min-width: 2.8rem;
  user-select: none;
}

.page-privacy .section-heading {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text, #3E2723);
  margin: 0;
  line-height: 1.3;
  position: relative;
  padding-bottom: 0.35rem;
}

/* 装饰性下划线 */
.page-privacy .section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2.4rem;
  height: 3px;
  background: var(--color-accent, #D32F2F);
  border-radius: 2px;
  transition: width var(--transition-default, 0.3s);
}

.page-privacy .section-header:hover .section-heading::after {
  width: 4rem;
}

/* ---- 章节正文 ---- */
.page-privacy .section-body {
  padding-left: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text, #3E2723);
}

.page-privacy .section-body p {
  margin: 0 0 1rem 0;
}

.page-privacy .section-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .section-body a {
  color: var(--color-accent, #D32F2F);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-default, 0.3s);
}

.page-privacy .section-body a:hover {
  opacity: 0.75;
}

/* ---- 列表样式 ---- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 1rem 0 1.2rem 0;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.8rem;
  margin-bottom: 0.3rem;
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-privacy .privacy-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--color-accent, #D32F2F);
  font-size: 0.6rem;
  opacity: 0.5;
}

.page-privacy .privacy-list li strong {
  font-weight: 600;
  color: var(--color-text, #3E2723);
}

/* ---- 红橙高亮 ---- */
.page-privacy .highlight {
  color: var(--privacy-highlight-color);
  font-weight: 600;
  background: linear-gradient(120deg, rgba(211, 47, 47, 0.08), transparent 60%);
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
}

/* ---- 政策更新特殊 ---- */
.page-privacy .privacy-update {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--privacy-border-color);
}

.page-privacy .privacy-date-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.8rem;
  font-size: 0.95rem;
}

/* ---- 底部装饰图 ---- */
.page-privacy .privacy-figure {
  margin: 3rem 0 1.5rem 0;
  padding: 0;
  position: relative;
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
  overflow: hidden;
  background: var(--color-dark, #1A1A1A);
}

.page-privacy .privacy-image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity var(--transition-default, 0.3s);
}

.page-privacy .privacy-figure:hover .privacy-image {
  opacity: 0.9;
}

.page-privacy .privacy-caption {
  position: absolute;
  bottom: 0.5rem;
  right: 1rem;
  font-size: 0.8rem;
  color: var(--color-gold, #FFD54F);
  background: rgba(26, 26, 26, 0.7);
  padding: 0.3rem 0.8rem;
  clip-path: polygon(0.5rem 0, 100% 0, 100% 100%, 0 100%);
  letter-spacing: 0.03em;
}

/* ---- 内部链接 ---- */
.page-privacy .privacy-related {
  margin-top: 2.5rem;
  padding: 1.2rem 1.5rem;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--privacy-border-color);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0.5rem 100%);
}

.page-privacy .related-title {
  font-family: var(--font-heading, 'Montserrat', 'Exo 2', sans-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text, #3E2723);
  margin: 0 0 0.6rem 0;
  letter-spacing: 0.02em;
}

.page-privacy .related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-privacy .related-list li {
  margin: 0;
  padding: 0;
}

.page-privacy .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  color: var(--color-text, #3E2723);
  background: transparent;
  border: 2px solid var(--color-text, #3E2723);
  clip-path: polygon(0.4rem 0, 100% 0, 100% calc(100% - 0.4rem), calc(100% - 0.4rem) 100%, 0 100%);
  text-decoration: none;
  transition: background var(--transition-default, 0.3s), color var(--transition-default, 0.3s), transform 0.2s;
  cursor: default;
}

.page-privacy .btn-outline:hover,
.page-privacy .btn-outline:focus-visible {
  background: var(--color-accent, #D32F2F);
  border-color: var(--color-accent, #D32F2F);
  color: #fff;
  transform: translateY(-1px);
}

/* ---- 返回顶部 ---- */
.page-privacy .privacy-back {
  margin-top: 2rem;
  text-align: center;
}

.page-privacy .back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent, #D32F2F);
  text-decoration: none;
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--color-accent, #D32F2F);
  clip-path: polygon(0.3rem 0, 100% 0, 100% calc(100% - 0.3rem), calc(100% - 0.3rem) 100%, 0 100%);
  transition: background var(--transition-default, 0.3s), color var(--transition-default, 0.3s);
}

.page-privacy .back-to-top:hover,
.page-privacy .back-to-top:focus-visible {
  background: var(--color-accent, #D32F2F);
  color: #fff;
}

/* ---- 标签复用 ---- */
.page-privacy .tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0;
  clip-path: polygon(0.2rem 0, 100% 0, 100% calc(100% - 0.2rem), calc(100% - 0.2rem) 100%, 0 100%);
}

.page-privacy .tag-accent {
  background: var(--color-accent, #D32F2F);
  color: #fff;
}

/* ===== 响应式：窄屏优先 ===== */

/* 默认已是移动端样式，以下针对 ≥640px 的桌面/平板做增强 */
@media (min-width: 640px) {
  .page-privacy {
    padding-top: calc(var(--header-height, 56px) + 2.5rem);
  }

  .page-privacy .privacy-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
  }

  .page-privacy .privacy-title {
    font-size: clamp(2.2rem, 4vw, 3rem);
  }

  .page-privacy .privacy-title::after {
    width: 50%;
  }

  .page-privacy .privacy-intro {
    font-size: 1.1rem;
  }

  .page-privacy .privacy-toc {
    padding: 1.4rem 2.2rem 1.4rem 1.8rem;
    margin-bottom: 3.5rem;
  }

  .page-privacy .toc-list {
    gap: 0.4rem 1.8rem;
  }

  .page-privacy .toc-list a {
    font-size: 1rem;
  }

  .page-privacy .privacy-section {
    margin-bottom: 4rem;
  }

  .page-privacy .section-number {
    font-size: 4rem;
    min-width: 3.2rem;
  }

  .page-privacy .section-heading {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
  }

  .page-privacy .section-body {
    font-size: 1.05rem;
    padding-left: 0.2rem;
  }

  .page-privacy .privacy-list li {
    padding-left: 2rem;
  }

  .page-privacy .privacy-list li::before {
    font-size: 0.7rem;
    top: 0.6rem;
  }

  .page-privacy .privacy-figure {
    margin: 4rem 0 2rem 0;
    clip-path: polygon(0 0, 100% 0, 99% 100%, 0 100%);
  }

  .page-privacy .privacy-caption {
    bottom: 1rem;
    right: 1.5rem;
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
  }

  .page-privacy .privacy-related {
    padding: 1.5rem 2rem;
  }

  .page-privacy .related-list {
    gap: 0.8rem;
  }

  .page-privacy .btn-outline {
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
  }

  .page-privacy .back-to-top {
    font-size: 0.95rem;
    padding: 0.5rem 1.5rem;
  }
}

/* 桌面端宽屏微调 */
@media (min-width: 1024px) {
  .page-privacy {
    padding-top: calc(var(--header-height, 56px) + 3rem);
  }

  .page-privacy .privacy-container {
    max-width: var(--privacy-max-width);
  }

  .page-privacy .privacy-title {
    font-size: 3rem;
  }

  .page-privacy .privacy-title::after {
    width: 45%;
  }

  .page-privacy .section-number {
    font-size: 4.5rem;
    min-width: 3.6rem;
  }

  .page-privacy .section-heading {
    font-size: 1.85rem;
  }

  .page-privacy .privacy-section {
    margin-bottom: 4.5rem;
  }

  .page-privacy .section-body {
    padding-left: 0.6rem;
  }
}

/* 确保极窄屏不溢出 */
@media (max-width: 380px) {
  .page-privacy {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }

  .page-privacy .privacy-title {
    font-size: 1.5rem;
  }

  .page-privacy .section-number {
    font-size: 2.8rem;
    min-width: 2.2rem;
  }

  .page-privacy .privacy-toc {
    padding: 0.8rem 1rem;
    clip-path: none;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 0.3rem;
  }
}