.page-privacy {
  --privacy-bg: var(--mineral-cream, #F5F0E8);
  --privacy-card-bg: #FFFFFF;
  --privacy-text: var(--text-dark, #1A1A1A);
  --privacy-heading-color: var(--primary-gold, #F0C040);
  --privacy-divider-color: var(--mineral-gray, #7A7A7A);
  --privacy-accent: var(--primary-deep-purple, #2B0F4C);
  --privacy-radius: var(--radius, 16px);
  --privacy-radius-btn: var(--radius-btn, 9999px);
  --privacy-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --privacy-nav-width: 200px;
  --privacy-gap: 2rem;

  display: block;
  width: 100%;
  background-color: var(--privacy-bg);
  font-family: var(--font-body, 'Inter', sans-serif);
  color: var(--privacy-text);
  line-height: 1.7;
  box-sizing: border-box;
}

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

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--mineral-gray, #7A7A7A);
  margin-bottom: 1rem;
}

.page-privacy .breadcrumb a {
  color: var(--primary-gold, #F0C040);
  text-decoration: none;
  transition: color var(--transition, 0.3s ease);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--accent-neon, #00D4AA);
  outline: none;
}

.page-privacy .breadcrumb__sep {
  color: var(--mineral-gray, #7A7A7A);
  user-select: none;
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--privacy-text);
  font-weight: 600;
}

/* ---------- 顶部英雄区 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1.5rem;
}

.page-privacy .privacy-hero__bg {
  border-radius: var(--privacy-radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: var(--privacy-shadow);
  background: var(--bg-dark, #1A0A2E);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 1;
}

.page-privacy .privacy-hero__content {
  padding: 0 0.25rem;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-heading, 'Playfair Display', serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--privacy-heading-color);
  margin: 0 0 0.75rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-hero__desc {
  font-size: 1.05rem;
  color: var(--privacy-text);
  max-width: 680px;
  margin: 0;
  line-height: 1.6;
}

/* ---------- 布局容器 ---------- */
.page-privacy .privacy-layout {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

/* ---------- 锚点导航 ---------- */
.page-privacy .privacy-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--privacy-divider-color);
  margin-bottom: 0.5rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-nav__link {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--privacy-text);
  background: transparent;
  border: 1.5px solid var(--privacy-divider-color);
  border-radius: var(--privacy-radius-btn);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition, 0.3s ease);
}

.page-privacy .privacy-nav__link:hover,
.page-privacy .privacy-nav__link:focus-visible {
  color: var(--privacy-accent);
  border-color: var(--primary-gold, #F0C040);
  background: rgba(240, 192, 64, 0.08);
  outline: none;
}

.page-privacy .privacy-nav__link:active {
  transform: scale(0.97);
}

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

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  margin-bottom: 0;
  scroll-margin-top: 1.5rem;
}

.page-privacy .privacy-section__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading, 'Playfair Display', serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--privacy-heading-color);
  margin: 0 0 1rem;
  line-height: 1.3;
}

.page-privacy .privacy-section__icon {
  display: block;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(43, 15, 76, 0.04);
  padding: 4px;
}

.page-privacy .privacy-section__body {
  padding-left: 0;
}

.page-privacy .privacy-section__body p {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  color: var(--privacy-text);
}

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

/* ---------- 分割线 ---------- */
.page-privacy .privacy-divider {
  margin: 2rem 0;
  border: none;
  height: 1px;
  background: linear-gradient(
    to right,
    var(--privacy-divider-color) 0%,
    transparent 100%
  );
  opacity: 0.4;
}

/* ---------- 联系区 ---------- */
.page-privacy .privacy-contact {
  margin-top: 2.5rem;
  padding: 2rem 1.5rem;
  background: var(--privacy-card-bg);
  border-radius: var(--privacy-radius);
  box-shadow: var(--privacy-shadow);
  border-left: 4px solid var(--primary-gold, #F0C040);
}

.page-privacy .privacy-contact__title {
  font-family: var(--font-heading, 'Playfair Display', serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--privacy-accent);
  margin: 0 0 0.75rem;
}

.page-privacy .privacy-contact__desc {
  font-size: 1rem;
  margin: 0 0 1.25rem;
  color: var(--privacy-text);
}

.page-privacy .privacy-contact__info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.page-privacy .privacy-contact__item {
  margin: 0;
  font-size: 0.95rem;
}

.page-privacy .privacy-contact__item a {
  color: var(--primary-gold, #F0C040);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition, 0.3s ease);
}

.page-privacy .privacy-contact__item a:hover,
.page-privacy .privacy-contact__item a:focus-visible {
  color: var(--accent-neon, #00D4AA);
  outline: none;
}

.page-privacy .privacy-contact__note {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--mineral-gray, #7A7A7A);
  font-style: italic;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-privacy .privacy-contact__actions .btn {
  font-size: 0.9rem;
  padding: 0.55rem 1.4rem;
}

/* ---------- 返回顶部按钮 ---------- */
.page-privacy .privacy-back-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 1rem auto 2.5rem;
  padding: 0.65rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
  background: linear-gradient(135deg, var(--primary-deep-purple, #2B0F4C) 0%, #4A1A7A 100%);
  border: none;
  border-radius: var(--privacy-radius-btn);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition, 0.3s ease);
  box-shadow: 0 4px 16px rgba(43, 15, 76, 0.3);
  width: fit-content;
}

.page-privacy .privacy-back-top:hover,
.page-privacy .privacy-back-top:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(43, 15, 76, 0.45);
  background: linear-gradient(135deg, var(--primary-deep-purple, #2B0F4C) 0%, #5B2A8A 100%);
  outline: none;
}

.page-privacy .privacy-back-top:active {
  transform: translateY(0);
}

/* ============================================= */
/* 桌面端 (≥768px)                               */
/* ============================================= */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: 3rem 2rem 1.5rem;
  }

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

  .page-privacy .privacy-hero__desc {
    font-size: 1.15rem;
  }

  .page-privacy .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 0 2rem 4rem;
    gap: 2.5rem;
  }

  .page-privacy .privacy-nav {
    flex: 0 0 var(--privacy-nav-width);
    flex-direction: column;
    gap: 0.5rem;
    position: sticky;
    top: 1.5rem;
    padding: 0.5rem 0;
    border-bottom: none;
    border-right: 1px solid var(--privacy-divider-color);
    margin-bottom: 0;
    background: transparent;
  }

  .page-privacy .privacy-nav__link {
    white-space: normal;
    text-align: left;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    border: none;
    border-radius: var(--radius, 16px);
    background: transparent;
    color: var(--mineral-gray, #7A7A7A);
    border-left: 3px solid transparent;
    transition: all var(--transition, 0.3s ease);
  }

  .page-privacy .privacy-nav__link:hover,
  .page-privacy .privacy-nav__link:focus-visible {
    color: var(--privacy-accent);
    background: rgba(43, 15, 76, 0.04);
    border-left-color: var(--primary-gold, #F0C040);
  }

  .page-privacy .privacy-nav__link:active {
    transform: none;
  }

  .page-privacy .privacy-content {
    flex: 1;
    min-width: 0;
    padding-top: 0.25rem;
  }

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

  .page-privacy .privacy-section__icon {
    width: 50px;
    height: 50px;
  }

  .page-privacy .privacy-section__body {
    padding-left: 0;
  }

  .page-privacy .privacy-divider {
    margin: 2.5rem 0;
  }

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

  .page-privacy .privacy-contact__title {
    font-size: 1.7rem;
  }

  .page-privacy .privacy-back-top {
    margin: 0.5rem auto 3rem;
  }
}

/* ============================================= */
/* 大桌面端 (≥1024px)                             */
/* ============================================= */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding: 4rem 2.5rem 2rem;
  }

  .page-privacy .privacy-hero__title {
    font-size: 3.5rem;
  }

  .page-privacy .privacy-layout {
    padding: 0 2.5rem 5rem;
    gap: 3.5rem;
  }

  .page-privacy .privacy-nav {
    flex-basis: 220px;
  }

  .page-privacy .privacy-section__title {
    font-size: 2rem;
  }

  .page-privacy .privacy-section__body p {
    font-size: 1.05rem;
  }
}

/* ============================================= */
/* 宽屏 ≥1400px                                  */
/* ============================================= */
@media (min-width: 1400px) {
  .page-privacy .privacy-hero,
  .page-privacy .privacy-layout {
    max-width: 1320px;
  }
}

/* ---------- reduced-motion 兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-nav__link,
  .page-privacy .privacy-back-top,
  .page-privacy .privacy-contact__item a,
  .page-privacy .breadcrumb a {
    transition: none;
  }

  .page-privacy .privacy-back-top:hover,
  .page-privacy .privacy-back-top:focus-visible {
    transform: none;
  }
}