/* ===== 隐私政策页面专属样式 ===== */
.page-privacy {
  --privacy-hero-overlay: rgba(11, 22, 34, 0.75);
  --privacy-section-gap: 2.5rem;
  --privacy-toc-width: 260px;
  --privacy-label-font: var(--font-numeric);
  --privacy-border-collect: var(--color-blue);
  --privacy-border-use: var(--color-red);
  --privacy-border-protect: var(--color-gold);
  --privacy-border-rights: #2a9d8f;
  --privacy-border-contact: var(--color-blue);
  --privacy-bg-card: #ffffff;
  --privacy-bg-section-alt: #f8fafc;
  box-sizing: border-box;
  display: block;
  background-color: var(--color-light);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: inherit;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.page-privacy .breadcrumb a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}

.page-privacy .breadcrumb a:hover {
  color: #b71c1c;
  text-decoration: underline;
}

.page-privacy .breadcrumb-sep {
  color: var(--color-text-secondary);
  user-select: none;
}

.page-privacy .breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* 英雄横幅 */
.page-privacy .privacy-hero {
  position: relative;
  width: 100%;
  max-width: var(--max-width);
  margin: 0.75rem auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-dark);
  min-height: 200px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.page-privacy .privacy-hero-image-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.page-privacy .privacy-hero-image-wrap img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center 30%;
}

.page-privacy .privacy-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: linear-gradient(135deg, var(--privacy-hero-overlay) 40%, rgba(230, 57, 70, 0.25) 100%);
  padding: 1.5rem 2rem;
}

.page-privacy .privacy-hero-text {
  max-width: 720px;
  color: #ffffff;
}

.page-privacy .privacy-hero-text h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.5rem;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}

.page-privacy .privacy-hero-text h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 4px;
  margin-top: 0.4rem;
}

.page-privacy .privacy-hero-desc {
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0.75rem 0 0;
  max-width: 600px;
}

/* 主布局 */
.page-privacy .privacy-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--max-width);
  margin: 2rem auto;
  padding: 0 1.25rem;
}

/* 目录导航 */
.page-privacy .privacy-toc {
  background: var(--color-blue);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(29, 53, 87, 0.25);
  flex-shrink: 0;
  order: -1;
}

.page-privacy .toc-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-privacy .toc-item {
  flex: 0 1 auto;
}

.page-privacy .toc-link {
  display: block;
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.page-privacy .toc-link:hover {
  background: var(--color-red);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* 当前章节高亮（用于JS增强） */
.page-privacy .toc-link.active {
  background: var(--color-red);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

/* 正文内容区 */
.page-privacy .privacy-sections {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-section-gap);
  flex: 1;
  min-width: 0;
}

/* 每个章节卡片 */
.page-privacy .privacy-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--privacy-bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.page-privacy .privacy-section:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* 章节左侧彩色边框装饰 */
.page-privacy .privacy-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  border-radius: 0 4px 4px 0;
}

.page-privacy #collect.privacy-section::before {
  background: var(--privacy-border-collect);
}

.page-privacy #use.privacy-section::before {
  background: var(--privacy-border-use);
}

.page-privacy #protect.privacy-section::before {
  background: var(--privacy-border-protect);
}

.page-privacy #rights.privacy-section::before {
  background: var(--privacy-border-rights);
}

.page-privacy #contact-section.privacy-section::before {
  background: var(--privacy-border-contact);
}

/* 章节编号标签 */
.page-privacy .section-label {
  font-family: var(--privacy-label-font);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(44, 62, 80, 0.08);
  user-select: none;
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  pointer-events: none;
}

.page-privacy .section-content {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-blue);
  margin: 0 0 1rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-privacy .section-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-privacy .section-body p {
  margin: 0 0 0.85rem;
}

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

/* 信息列表 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.5rem;
  line-height: 1.7;
}

.page-privacy .privacy-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-red);
  opacity: 0.6;
}

.page-privacy .privacy-list li strong {
  color: var(--color-blue);
  font-weight: 600;
}

/* 信息保护图标 */
.page-privacy .protect-icon-wrap {
  float: right;
  margin: 0 0 1rem 1.5rem;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-light);
  padding: 0.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  shape-outside: circle(50%);
}

.page-privacy .protect-icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(var(--radius-sm) - 2px);
}

/* 联系渠道 */
.page-privacy .contact-channels {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: var(--color-light);
  border-radius: var(--radius-sm);
}

.page-privacy .contact-channel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(44, 62, 80, 0.06);
}

.page-privacy .contact-channel:last-child {
  border-bottom: none;
}

.page-privacy .channel-label {
  font-weight: 600;
  color: var(--color-blue);
  font-size: 0.9rem;
  min-width: 80px;
}

.page-privacy .channel-value {
  color: var(--color-text);
  font-family: var(--font-body);
  word-break: break-all;
}

.page-privacy .channel-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  width: 100%;
  padding-left: calc(80px + 0.75rem);
}

.page-privacy .contact-channel a.channel-value {
  color: var(--color-link);
  text-decoration: none;
}

.page-privacy .contact-channel a.channel-value:hover {
  text-decoration: underline;
}

.page-privacy .contact-extra {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.page-privacy .contact-extra a {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 500;
}

.page-privacy .contact-extra a:hover {
  text-decoration: underline;
}

/* 响应式：桌面端 (≥1024px) */
@media (min-width: 1024px) {
  .page-privacy .breadcrumb {
    padding: 1.5rem 1.25rem 0;
  }

  .page-privacy .privacy-hero {
    margin: 1rem auto 0;
    min-height: 220px;
  }

  .page-privacy .privacy-hero-image-wrap img {
    height: 220px;
  }

  .page-privacy .privacy-hero-overlay {
    padding: 2rem 3rem;
  }

  .page-privacy .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
    padding: 0 1.25rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-top-height, 70px) + 1.5rem);
    width: var(--privacy-toc-width);
    flex-shrink: 0;
    order: 0;
    padding: 1.75rem 1.5rem;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 0.35rem;
  }

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

  .page-privacy .toc-link {
    white-space: normal;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }

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

  .page-privacy .privacy-section {
    padding: 2rem 2rem 2rem 2.5rem;
  }

  .page-privacy .section-label {
    font-size: 2.8rem;
    top: 0.75rem;
    right: 1.5rem;
  }

  .page-privacy .contact-channels {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 2rem;
    padding: 1.5rem 2rem;
  }

  .page-privacy .contact-channel {
    flex: 0 1 auto;
    border-bottom: none;
    padding: 0;
  }

  .page-privacy .channel-note {
    width: auto;
    padding-left: 0;
  }
}

/* 响应式：中等屏幕 (768px–1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .page-privacy .privacy-layout {
    gap: 1.75rem;
  }

  .page-privacy .privacy-toc {
    padding: 1.25rem 1.5rem;
  }

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

  .page-privacy .privacy-section {
    padding: 1.75rem 1.5rem 1.75rem 2rem;
  }

  .page-privacy .section-label {
    font-size: 2.4rem;
  }

  .page-privacy .protect-icon-wrap {
    width: 64px;
    height: 64px;
  }

  .page-privacy .protect-icon {
    width: 64px;
    height: 64px;
  }
}

/* 响应式：小屏设备适配 (<768px) */
@media (max-width: 767px) {
  .page-privacy .privacy-hero {
    border-radius: var(--radius-sm);
    min-height: 160px;
  }

  .page-privacy .privacy-hero-image-wrap img {
    height: 160px;
  }

  .page-privacy .privacy-hero-overlay {
    padding: 1rem 1.25rem;
  }

  .page-privacy .privacy-hero-text h1::after {
    width: 40px;
  }

  .page-privacy .privacy-hero-desc {
    font-size: 0.9rem;
  }

  .page-privacy .privacy-toc {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-sm);
  }

  .page-privacy .toc-heading {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
  }

  .page-privacy .toc-link {
    font-size: 0.82rem;
    padding: 0.35rem 0.85rem;
  }

  .page-privacy .privacy-section {
    padding: 1.25rem 1rem 1.25rem 1.25rem;
    border-radius: var(--radius-sm);
  }

  .page-privacy .privacy-section::before {
    width: 4px;
  }

  .page-privacy .section-label {
    font-size: 1.6rem;
    top: 0.35rem;
    right: 0.75rem;
  }

  .page-privacy .protect-icon-wrap {
    float: none;
    margin: 0 0 1rem;
    width: 64px;
    height: 64px;
  }

  .page-privacy .protect-icon {
    width: 64px;
    height: 64px;
  }

  .page-privacy .contact-channels {
    padding: 1rem;
  }

  .page-privacy .channel-label {
    min-width: 70px;
    font-size: 0.85rem;
  }

  .page-privacy .channel-note {
    padding-left: 0;
  }
}

/* 宽屏内容约束 */
@media (min-width: 1400px) {
  .page-privacy .privacy-hero-text {
    max-width: 800px;
  }

  .page-privacy .privacy-hero-text h1 {
    font-size: 3.6rem;
  }

  .page-privacy .privacy-section {
    padding: 2.5rem 2.5rem 2.5rem 3rem;
  }
}

/* 打印优化 */
@media print {
  .page-privacy .privacy-hero-overlay {
    background: none;
    color: var(--color-dark);
  }

  .page-privacy .privacy-hero-text h1,
  .page-privacy .privacy-hero-text h1::after,
  .page-privacy .privacy-hero-desc {
    color: var(--color-dark);
  }

  .page-privacy .privacy-toc {
    background: transparent;
    color: var(--color-dark);
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .page-privacy .toc-heading {
    color: var(--color-dark);
  }

  .page-privacy .toc-link {
    color: var(--color-text);
    background: transparent;
  }

  .page-privacy .privacy-section {
    box-shadow: none;
    border: 1px solid #eee;
    break-inside: avoid;
  }

  .page-privacy .privacy-section::before {
    display: none;
  }

  .page-privacy .section-label {
    color: var(--color-text-secondary);
    opacity: 0.4;
  }
}