/* ===== 隐私政策页面专属样式 ===== */
.page-privacy {
  --privacy-max-reading: 70ch;
  --privacy-number-size: clamp(2.8rem, 6vw, 4.5rem);
  --privacy-gap: clamp(2rem, 4vw, 4rem);
  --privacy-line-color: rgba(211, 47, 47, 0.25);
  --privacy-texture: linear-gradient(135deg, #fafafa 0%, #f7f8fa 100%);
  --privacy-border-subtle: rgba(26, 58, 92, 0.08);

  background: var(--privacy-texture);
  position: relative;
  padding: var(--spacing-lg, 2rem) 0 var(--spacing-2xl, 5rem);
}

/* 微妙的雪山纹理叠加 */
.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.6) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.3) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

/* 面包屑 */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--clr-primary-light, #2C5F7A);
  margin-bottom: var(--spacing-xl, 3rem);
  padding-bottom: var(--spacing-sm, 0.5rem);
  border-bottom: 1px solid var(--privacy-border-subtle);
}

.page-privacy .breadcrumb a {
  color: var(--clr-primary, #1A3A5C);
  text-decoration: none;
  transition: color var(--transition-fast, 200ms ease);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--clr-accent1, #D32F2F);
  outline: 2px solid var(--clr-accent1, #D32F2F);
  outline-offset: 2px;
}

.page-privacy .breadcrumb .separator {
  color: var(--clr-primary-light, #2C5F7A);
  opacity: 0.5;
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--clr-neutral2, #212121);
  font-weight: 500;
}

/* 首屏标题区 */
.page-privacy .privacy-hero {
  margin-bottom: var(--spacing-2xl, 5rem);
  max-width: var(--privacy-max-reading);
  padding-right: var(--spacing-lg, 2rem);
}

.page-privacy .privacy-hero-title {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-heading, 700);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15;
  color: var(--clr-primary, #1A3A5C);
  letter-spacing: var(--ls-heading, 0.02em);
  margin: 0 0 var(--spacing-md, 1rem);
  position: relative;
  display: inline-block;
}

.page-privacy .privacy-hero-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--clr-accent1, #D32F2F);
  margin-top: var(--spacing-sm, 0.5rem);
  border-radius: 2px;
}

.page-privacy .privacy-hero-desc {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-body, 400);
  font-size: var(--size-body, clamp(1rem, 2vw, 1.2rem));
  line-height: var(--lh-body, 1.6);
  color: var(--clr-neutral2, #212121);
  margin: var(--spacing-lg, 2rem) 0 var(--spacing-sm, 0.5rem);
}

.page-privacy .privacy-hero-updated {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-light, 300);
  font-size: var(--size-caption, 0.875rem);
  color: var(--clr-primary-light, #2C5F7A);
  letter-spacing: var(--ls-body, 0.01em);
}

/* 章节容器 */
.page-privacy .privacy-section {
  display: flex;
  gap: var(--spacing-lg, 2rem);
  margin-bottom: var(--spacing-2xl, 5rem);
  max-width: var(--privacy-max-reading);
  padding-right: var(--spacing-lg, 2rem);
  position: relative;
}

/* 左侧编号与装饰区 */
.page-privacy .privacy-section-marker {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

.page-privacy .privacy-section-number {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: 800;
  font-size: var(--privacy-number-size);
  line-height: 1;
  color: var(--clr-primary, #1A3A5C);
  letter-spacing: -0.03em;
  font-style: italic;
  transition: color var(--transition-base, 300ms ease);
}

.page-privacy .privacy-section:hover .privacy-section-number {
  color: var(--clr-accent1, #D32F2F);
}

.page-privacy .privacy-section-line {
  display: block;
  width: 2px;
  height: 60px;
  background: linear-gradient(to bottom, var(--clr-accent1, #D32F2F), transparent);
  opacity: 0.4;
  border-radius: 1px;
}

.page-privacy .privacy-section-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: var(--radius-sm, 2px);
  background: var(--clr-secondary, #FFFFFF);
  padding: 4px;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08));
  transition: transform var(--transition-fast, 200ms ease);
}

.page-privacy .privacy-section:hover .privacy-section-icon {
  transform: translateY(-2px);
}

/* 右侧内容区 */
.page-privacy .privacy-section-content {
  flex: 1;
  min-width: 0;
}

.page-privacy .privacy-section-title {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-heading, 700);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--clr-primary, #1A3A5C);
  margin: 0 0 var(--spacing-md, 1rem);
  letter-spacing: var(--ls-heading, 0.02em);
}

.page-privacy .privacy-section-text {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-body, 400);
  font-size: var(--size-body, clamp(1rem, 2vw, 1.2rem));
  line-height: var(--lh-body, 1.6);
  color: var(--clr-neutral2, #212121);
  margin: 0 0 var(--spacing-md, 1rem);
  letter-spacing: var(--ls-body, 0.01em);
}

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

.page-privacy .privacy-section-text a {
  color: var(--clr-accent1, #D32F2F);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast, 200ms ease);
}

.page-privacy .privacy-section-text a:hover,
.page-privacy .privacy-section-text a:focus-visible {
  color: var(--clr-primary, #1A3A5C);
  outline: 2px solid var(--clr-accent1, #D32F2F);
  outline-offset: 2px;
}

/* 列表样式 */
.page-privacy .privacy-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-md, 1rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.5rem);
}

.page-privacy .privacy-list li {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-body, 400);
  font-size: var(--size-body, clamp(1rem, 2vw, 1.2rem));
  line-height: var(--lh-body, 1.6);
  color: var(--clr-neutral2, #212121);
  padding-left: 1.5rem;
  position: relative;
  letter-spacing: var(--ls-body, 0.01em);
}

.page-privacy .privacy-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--clr-accent1, #D32F2F);
  font-weight: 700;
}

.page-privacy .privacy-list li strong {
  color: var(--clr-primary, #1A3A5C);
  font-weight: 600;
}

/* 底部区域 */
.page-privacy .privacy-footer {
  max-width: var(--privacy-max-reading);
  padding-right: var(--spacing-lg, 2rem);
  margin-top: var(--spacing-xl, 3rem);
}

.page-privacy .privacy-footer-divider {
  margin-bottom: var(--spacing-lg, 2rem);
  overflow: hidden;
  border-radius: var(--radius-sm, 2px);
}

.page-privacy .privacy-footer-pattern {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  opacity: 0.7;
}

.page-privacy .privacy-footer-note {
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-light, 300);
  font-size: var(--size-caption, 0.875rem);
  line-height: 1.7;
  color: var(--clr-primary-light, #2C5F7A);
  margin: 0 0 var(--spacing-lg, 2rem);
  padding: var(--spacing-md, 1rem) var(--spacing-lg, 2rem);
  background: rgba(26, 58, 92, 0.04);
  border-left: 3px solid var(--clr-accent2, #388E3C);
  border-radius: 0 var(--radius-sm, 2px) var(--radius-sm, 2px) 0;
}

.page-privacy .privacy-footer-links {
  display: flex;
  gap: var(--spacing-md, 1rem);
  flex-wrap: wrap;
}

.page-privacy .privacy-footer-links .btn {
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm, 2px);
  font-size: 0.875rem;
  transition: background var(--transition-fast, 200ms ease), color var(--transition-fast, 200ms ease);
}

.page-privacy .privacy-footer-links .btn-secondary {
  background: var(--clr-primary, #1A3A5C);
  color: var(--clr-secondary, #FFFFFF);
  border: none;
}

.page-privacy .privacy-footer-links .btn-secondary:hover,
.page-privacy .privacy-footer-links .btn-secondary:focus-visible {
  background: var(--clr-accent1, #D32F2F);
  outline: none;
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .page-privacy {
    padding: var(--spacing-md, 1rem) 0 var(--spacing-xl, 3rem);
  }

  .page-privacy .privacy-hero {
    padding-right: 0;
  }

  .page-privacy .privacy-hero-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  .page-privacy .privacy-hero-title::after {
    width: 40px;
    height: 3px;
  }

  .page-privacy .privacy-section {
    flex-direction: column;
    gap: var(--spacing-sm, 0.5rem);
    padding-right: 0;
    margin-bottom: var(--spacing-xl, 3rem);
  }

  .page-privacy .privacy-section-marker {
    flex-direction: row;
    width: 100%;
    gap: 0.75rem;
    align-items: center;
    padding-top: 0;
  }

  .page-privacy .privacy-section-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, var(--clr-accent1, #D32F2F), transparent);
    flex-shrink: 0;
  }

  .page-privacy .privacy-section-number {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .page-privacy .privacy-section-icon {
    width: 40px;
    height: 40px;
    margin-left: auto;
  }

  .page-privacy .privacy-section-title {
    font-size: clamp(1.2rem, 4vw, 1.6rem);
  }

  .page-privacy .privacy-section-text,
  .page-privacy .privacy-list li {
    font-size: clamp(0.95rem, 2vw, 1.05rem);
  }

  .page-privacy .privacy-list li {
    padding-left: 1.25rem;
  }

  .page-privacy .privacy-footer {
    padding-right: 0;
  }

  .page-privacy .privacy-footer-note {
    padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
    font-size: 0.8rem;
  }

  .page-privacy .privacy-footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-privacy .privacy-section-marker {
    width: 70px;
  }

  .page-privacy .privacy-section-number {
    font-size: clamp(2.4rem, 5vw, 3.2rem);
  }

  .page-privacy .privacy-section {
    gap: var(--spacing-md, 1rem);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-section {
    gap: var(--spacing-xl, 3rem);
  }

  .page-privacy .privacy-section-marker {
    width: 100px;
  }

  .page-privacy .privacy-section-line {
    height: 80px;
  }
}
</style>