.page-privacy {
  --privacy-hero-gap: 2.5rem;
  --privacy-section-gap: 2.2rem;
  --privacy-line-height: 1.8;
  --privacy-title-underline-width: 60px;
  --privacy-title-underline-height: 3px;
}

/* ===== 面包屑 ===== */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  padding-top: 1.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--privacy-hero-gap);
}

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

.page-privacy .breadcrumb a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.page-privacy .breadcrumb-sep {
  color: var(--color-border);
}

/* ===== 首屏区域 ===== */
.page-privacy .privacy-hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: var(--privacy-hero-gap);
}

.page-privacy .privacy-hero-text h1 {
  font-family: var(--font-heading);
  font-size: var(--font-size-h1);
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-hero-sub {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
  max-width: 720px;
  margin: 0;
}

.page-privacy .privacy-hero-img {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(11, 29, 58, 0.08);
}

.page-privacy .privacy-hero-img img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 章节 ===== */
.page-privacy .privacy-section {
  margin-bottom: var(--privacy-section-gap);
  padding-bottom: var(--privacy-section-gap);
  border-bottom: 1px solid var(--color-surface);
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: none;
}

.page-privacy .section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  margin: 0 0 1.25rem 0;
  padding-bottom: 1rem;
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.page-privacy .section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: var(--privacy-title-underline-width);
  height: var(--privacy-title-underline-height);
  background-color: var(--color-accent);
  border-radius: 2px;
}

.page-privacy .title-num {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-section p {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--privacy-line-height);
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
}

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

.page-privacy .privacy-section a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.page-privacy .privacy-section a:hover {
  color: var(--color-primary);
}

/* ===== 提示框 ===== */
.page-privacy .privacy-notice {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem 1.8rem;
  margin: var(--privacy-hero-gap) 0;
  border-radius: 0 4px 4px 0;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--privacy-line-height);
  color: var(--color-text-primary);
}

.page-privacy .privacy-notice strong {
  color: var(--color-primary);
  font-family: var(--font-heading);
}

/* ===== 底部链接 ===== */
.page-privacy .privacy-footer-links {
  margin-top: var(--privacy-hero-gap);
  padding-top: var(--privacy-section-gap);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
}

.page-privacy .privacy-footer-links a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.page-privacy .privacy-footer-links a:hover {
  color: var(--color-primary);
}

/* ===== 窄屏响应 ===== */
@media (max-width: 639px) {
  .page-privacy {
    padding-top: 0.5rem;
  }

  .page-privacy .privacy-hero-text h1 {
    font-size: 2rem;
    letter-spacing: 0;
  }

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

  .page-privacy .title-num {
    font-size: 1rem;
  }

  .page-privacy .privacy-notice {
    padding: 1.2rem 1.2rem;
  }

  .page-privacy .privacy-hero-img img {
    max-height: 140px;
    object-fit: cover;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 640px) {
  .page-privacy .privacy-hero {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .page-privacy .privacy-hero-text {
    flex: 1 1 55%;
  }

  .page-privacy .privacy-hero-img {
    flex: 0 0 380px;
    margin-top: 0.3rem;
  }

  .page-privacy .privacy-hero-img img {
    height: 200px;
    object-fit: cover;
  }

  .page-privacy .section-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-hero-text {
    flex: 1 1 60%;
  }

  .page-privacy .privacy-hero-img {
    flex: 0 0 480px;
  }

  .page-privacy .privacy-hero-text h1 {
    font-size: 2.75rem;
  }

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