.page-privacy {
  --privacy-number-size: 5rem;
  --privacy-hero-padding-top: 3rem;
  --privacy-hero-padding-bottom: 2.5rem;
  --privacy-divider-color: #e0e0e0;
  --privacy-index-gap: 1.5rem;
  --privacy-section-gap: 2rem;
  --privacy-content-max-width: 800px;
}

/* ===== 英雄区 ===== */
.page-privacy .privacy-hero {
  position: relative;
  padding: var(--privacy-hero-padding-top) 0 var(--privacy-hero-padding-bottom);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.page-privacy .privacy-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-privacy .privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-breadcrumb a {
  color: var(--color-white);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-privacy .privacy-breadcrumb a:hover,
.page-privacy .privacy-breadcrumb a:focus {
  opacity: 0.7;
  text-decoration: underline;
}

.page-privacy .privacy-breadcrumb__sep {
  margin: 0 0.2rem;
  user-select: none;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: italic;
  font-size: 2.4rem;
  line-height: 1.15;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__desc {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 36em;
  opacity: 0.9;
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ===== 正文区 ===== */
.page-privacy .privacy-body {
  background: var(--color-white);
  padding: 2rem 0 3rem;
}

/* ===== 索引条 ===== */
.page-privacy .privacy-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem var(--privacy-index-gap);
  margin-bottom: 2.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--privacy-divider-color);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.page-privacy .privacy-index__item {
  color: var(--color-neutral-dark);
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.page-privacy .privacy-index__item:hover,
.page-privacy .privacy-index__item:focus {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

/* ===== 节 ===== */
.page-privacy .privacy-section {
  display: flex;
  gap: var(--privacy-section-gap);
  align-items: flex-start;
}

.page-privacy .privacy-section__number {
  font-family: var(--font-mono);
  font-size: var(--privacy-number-size);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.12;
  flex-shrink: 0;
  width: 4.5rem;
  text-align: right;
  user-select: none;
  margin-top: -0.3rem;
}

.page-privacy .privacy-section__content {
  flex: 1;
  min-width: 0;
  max-width: var(--privacy-content-max-width);
}

.page-privacy .privacy-section__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--color-neutral-dark);
  margin: 0 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.page-privacy .privacy-section__text {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-neutral-dark);
  margin: 0 0 0.8rem;
}

.page-privacy .privacy-section__list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.8rem;
}

.page-privacy .privacy-section__list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-neutral-dark);
}

.page-privacy .privacy-section__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.page-privacy .privacy-section__note {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.6;
  color: #555;
  margin: 0;
  padding: 0.6rem 1rem;
  background: var(--color-neutral-light);
  border-left: 3px solid var(--color-primary);
}

/* ===== 分隔线 ===== */
.page-privacy .privacy-divider {
  border: none;
  border-top: 1px solid var(--privacy-divider-color);
  margin: 2.2rem 0;
  margin-left: calc(4.5rem + var(--privacy-section-gap));
}

/* ===== 安全锁图标 ===== */
.page-privacy .privacy-security-figure {
  margin: 0 0 1.2rem;
  display: inline-block;
}

.page-privacy .privacy-security-icon {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--privacy-divider-color);
  border-radius: 0;
  padding: 0.6rem;
  background: var(--color-neutral-light);
}

/* ===== 底部备注 ===== */
.page-privacy .privacy-footer-note {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--color-primary);
}

.page-privacy .privacy-footer-note__text {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-neutral-dark);
  margin: 0 0 1.2rem;
}

.page-privacy .privacy-footer-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.page-privacy .privacy-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-privacy .privacy-footer-note__address {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem;
  background: var(--color-neutral-light);
  border: 1px solid var(--privacy-divider-color);
}

.page-privacy .privacy-footer-note__note {
  font-size: 0.8rem;
  color: #888;
  margin-top: 0.3rem;
  font-style: italic;
}

/* ===== 移动端优先（窄屏） ===== */
@media (max-width: 719px) {
  .page-privacy {
    --privacy-number-size: 2.8rem;
    --privacy-hero-padding-top: 2rem;
    --privacy-hero-padding-bottom: 1.8rem;
    --privacy-section-gap: 1rem;
    --privacy-index-gap: 0.8rem;
  }

  .page-privacy .privacy-hero__title {
    font-size: 1.6rem;
  }

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

  .page-privacy .privacy-index {
    font-size: 0.75rem;
    gap: 0.3rem 0.8rem;
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .page-privacy .privacy-index__item {
    flex-shrink: 0;
  }

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

  .page-privacy .privacy-section__number {
    width: auto;
    text-align: left;
    font-size: var(--privacy-number-size);
    opacity: 0.08;
    margin-top: 0;
    line-height: 1;
  }

  .page-privacy .privacy-section__title {
    font-size: 1.2rem;
  }

  .page-privacy .privacy-section__text,
  .page-privacy .privacy-section__list li {
    font-size: 0.9rem;
  }

  .page-privacy .privacy-section__note {
    font-size: 0.85rem;
    padding: 0.5rem 0.8rem;
  }

  .page-privacy .privacy-divider {
    margin: 1.5rem 0;
    margin-left: 0;
  }

  .page-privacy .privacy-security-icon {
    width: 80px;
    height: 80px;
  }

  .page-privacy .privacy-footer-note__links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-privacy .privacy-footer-note__address {
    font-size: 0.85rem;
    padding: 0.8rem;
  }
}

/* ===== 桌面端增强 ===== */
@media (min-width: 720px) {
  .page-privacy .privacy-hero {
    padding: 4rem 0 3rem;
  }

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

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

  .page-privacy .privacy-body {
    padding: 3rem 0 4rem;
  }

  .page-privacy .privacy-section__number {
    width: 5.5rem;
    font-size: 5.5rem;
  }

  .page-privacy .privacy-section__title {
    font-size: 1.8rem;
  }

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

  .page-privacy .privacy-security-icon {
    width: 100px;
    height: 100px;
  }
}