/* ===== 页面作用域：.page-privacy ===== */
.page-privacy {
  --toc-indent: 2rem;
  --section-gap: 2.5rem;
  --content-max-width: 800px;

  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 100%;
  max-width: var(--max-width, 1440px);
  margin: 0 auto;
  padding: 0;
  min-height: 70vh;
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', sans-serif);
  color: var(--c-text, #1a1a1a);
  background: var(--c-bg, #ffffff);
  position: relative;
  gap: 0;
}

/* ===== 左侧控制台（章节索引） ===== */
.page-privacy__console {
  flex: 0 0 20%;
  min-width: 200px;
  max-width: 260px;
  padding: 2rem 1.5rem;
  background: var(--c-bg-light, #f2f2f2);
  border-right: 2px solid var(--c-brand, #1a4a3a);
  position: sticky;
  top: calc(var(--nav-height, 60px) + 1rem);
  align-self: flex-start;
  border-radius: 0 var(--radius-large, 16px) var(--radius-large, 16px) 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 400px;
}

.page-privacy__toc-label {
  display: block;
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-secondary, #4a4a4a);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-border, #b3b3b3);
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy__toc-list li {
  margin-bottom: 0.75rem;
}

.page-privacy__toc-link {
  display: block;
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text-secondary, #4a4a4a);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  line-height: 1.4;
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus {
  background: var(--c-brand, #1a4a3a);
  color: var(--c-bg, #ffffff);
  transform: translateX(4px);
  outline: none;
}

.page-privacy__toc-link:active {
  background: var(--c-accent, #d4a843);
  color: var(--c-bg, #ffffff);
}

.page-privacy__console-deco {
  margin-top: 2rem;
  border-top: 1px solid var(--c-border, #b3b3b3);
  padding-top: 1.5rem;
  text-align: center;
}

.page-privacy__console-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.page-privacy__console-img:hover {
  opacity: 1;
}

/* ===== 右侧内容区 ===== */
.page-privacy__content {
  flex: 1 1 80%;
  padding: 2.5rem 3rem 4rem;
  max-width: var(--content-max-width);
}

.page-privacy__header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--c-brand, #1a4a3a);
}

.page-privacy__breadcrumb {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: var(--c-text-secondary, #4a4a4a);
  margin: 0 0 1rem;
}

.page-privacy__breadcrumb a {
  color: var(--c-brand, #1a4a3a);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy__breadcrumb a:hover {
  color: var(--c-accent, #d4a843);
}

.page-privacy__sep {
  margin: 0 0.5rem;
  color: var(--c-border, #b3b3b3);
}

.page-privacy__title {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: clamp(1.8rem, 3vw, 3.5rem);
  font-weight: 700;
  color: var(--c-brand, #1a4a3a);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-privacy__effective {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  color: var(--c-text-secondary, #4a4a4a);
  margin: 0;
  padding-left: 0.25rem;
  border-left: 3px solid var(--c-accent, #d4a843);
  padding-left: 0.75rem;
}

/* ===== 章节 ===== */
.page-privacy__section {
  margin-bottom: var(--section-gap);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--c-bg-light, #f2f2f2);
  scroll-margin-top: calc(var(--nav-height, 60px) + 2rem);
}

.page-privacy__section--last {
  border-bottom: none;
}

.page-privacy__section-heading {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--c-dark, #333333);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-border, #b3b3b3);
  letter-spacing: -0.01em;
}

.page-privacy__text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text, #1a1a1a);
  margin: 0 0 1rem;
}

.page-privacy__text--note {
  font-size: 0.9rem;
  color: var(--c-text-secondary, #4a4a4a);
  background: var(--c-bg-light, #f2f2f2);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border-left: 4px solid var(--c-accent, #d4a843);
}

.page-privacy__highlight {
  color: var(--c-accent, #d4a843);
  font-weight: 600;
}

.page-privacy__list {
  margin: 0.5rem 0 1.25rem;
  padding-left: 1.5rem;
  list-style: none;
}

.page-privacy__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  line-height: 1.7;
  font-size: 0.95rem;
  color: var(--c-text, #1a1a1a);
}

.page-privacy__list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--c-brand, #1a4a3a);
  font-weight: 600;
}

.page-privacy__inline-link {
  color: var(--c-brand, #1a4a3a);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.page-privacy__inline-link:hover {
  color: var(--c-accent, #d4a843);
}

/* 联系信息块 */
.page-privacy__contact-block {
  background: var(--c-bg-light, #f2f2f2);
  border: 1px solid var(--c-border, #b3b3b3);
  border-radius: var(--radius-large, 16px);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0 1.25rem;
}

.page-privacy__contact-item {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.9rem;
  margin: 0 0 0.5rem;
  color: var(--c-dark, #333333);
  line-height: 1.6;
}

.page-privacy__contact-item:last-child {
  margin-bottom: 0;
}

.page-privacy__contact-label {
  font-weight: 600;
  color: var(--c-brand, #1a4a3a);
  display: inline-block;
  min-width: 3.5rem;
}

/* 页脚信息 */
.page-privacy__footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--c-brand, #1a4a3a);
}

.page-privacy__footer-text {
  font-family: var(--font-mono, 'DM Mono', 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: var(--c-text-secondary, #4a4a4a);
  margin: 0 0 0.25rem;
}

/* ===== 返回顶部按钮 ===== */
.page-privacy__scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-brand, #1a4a3a);
  color: var(--c-bg, #ffffff);
  border: 2px solid var(--c-accent, #d4a843);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.page-privacy__scroll-top.visible,
.page-privacy__scroll-top[data-scroll-top].visible {
  opacity: 1;
  pointer-events: auto;
}

.page-privacy__scroll-top:hover,
.page-privacy__scroll-top:focus {
  background: var(--c-accent, #d4a843);
  color: var(--c-dark, #333333);
  transform: scale(1.1);
  outline: none;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .page-privacy {
    flex-direction: column;
  }

  .page-privacy__console {
    flex: 0 0 auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: auto;
    position: static;
    border-right: none;
    border-bottom: 2px solid var(--c-brand, #1a4a3a);
    border-radius: 0;
    padding: 1.25rem 1rem;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
  }

  .page-privacy__toc {
    flex: 1 1 100%;
  }

  .page-privacy__toc-label {
    margin-bottom: 0.75rem;
    font-size: 0.7rem;
  }

  .page-privacy__toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .page-privacy__toc-list li {
    margin-bottom: 0;
  }

  .page-privacy__toc-link {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    background: var(--c-bg, #ffffff);
    border: 1px solid var(--c-border, #b3b3b3);
    border-radius: var(--radius-capsule, 999px);
  }

  .page-privacy__console-deco {
    display: none;
  }

  .page-privacy__content {
    flex: 1 1 auto;
    padding: 1.5rem 1rem 3rem;
    max-width: 100%;
  }

  .page-privacy__title {
    font-size: clamp(1.4rem, 5vw, 1.8rem);
  }

  .page-privacy__section {
    padding: 1rem 0;
    margin-bottom: 1.5rem;
  }

  .page-privacy__section-heading {
    font-size: clamp(1rem, 4vw, 1.2rem);
  }

  .page-privacy__text {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .page-privacy__list {
    padding-left: 0.5rem;
  }

  .page-privacy__list li {
    font-size: 0.85rem;
    padding-left: 1rem;
  }

  .page-privacy__contact-block {
    padding: 1rem;
  }

  .page-privacy__contact-item {
    font-size: 0.8rem;
  }

  .page-privacy__scroll-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .page-privacy__toc-link {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  .page-privacy__content {
    padding: 1rem 0.75rem 2.5rem;
  }

  .page-privacy__section-heading {
    font-size: 1rem;
  }

  .page-privacy__text {
    font-size: 0.85rem;
  }
}