.page-privacy {
  --privacy-decor-color: #8A2BE2;
  --privacy-index-bg: rgba(26, 42, 62, 0.7);
  --privacy-card-hover-border: #FF5A00;
  --privacy-hero-accent: #FF5A00;
  --privacy-section-gap: 2rem;
  --privacy-index-width: 220px;

  display: block;
  width: 100%;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  color: var(--color-text, #FFFFFF);
  font-family: var(--font-body, 'Inter', sans-serif);
  scroll-behavior: smooth;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.8rem;
  font-size: 0.85rem;
  color: var(--color-text-muted, #B0B0B0);
}

.page-privacy .breadcrumb-link {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.page-privacy .breadcrumb-link:hover {
  opacity: 0.75;
}

.page-privacy .breadcrumb-sep {
  color: var(--color-text-muted, #B0B0B0);
  font-weight: bold;
}

.page-privacy .breadcrumb-current {
  color: var(--color-text, #FFFFFF);
  font-weight: 600;
}

/* ---------- 英雄区 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  margin-bottom: 2.5rem;
  padding: 1.2rem 0 0.8rem;
}

.page-privacy .privacy-hero-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text, #FFFFFF);
  margin: 0 0 0.3rem;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
}

.page-privacy .privacy-hero-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--privacy-hero-accent), var(--privacy-decor-color));
  transform: skewX(-18deg);
  border-radius: 2px;
}

.page-privacy .privacy-hero-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0.8rem 0 1.2rem;
  font-weight: 400;
  line-height: 1.5;
}

.page-privacy .privacy-hero-decor {
  height: 2px;
  width: 100%;
  max-width: 320px;
  background: linear-gradient(90deg, var(--privacy-decor-color) 20%, transparent 80%);
  margin: 0 0 1.2rem;
  opacity: 0.4;
}

.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-card, 6px);
  object-fit: cover;
  background: var(--color-card, #1A2A3E);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  margin-top: 0.5rem;
}

/* ---------- 文档布局 ---------- */
.page-privacy .doc-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 1.5rem;
}

/* ---------- 左侧索引 ---------- */
.page-privacy .doc-index {
  flex-shrink: 0;
  background: var(--privacy-index-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: var(--radius-card, 6px);
  padding: 1.2rem 1rem;
  position: relative;
  overflow: hidden;
}

.page-privacy .doc-index::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent, #FF5A00), var(--privacy-decor-color));
  opacity: 0.6;
}

.page-privacy .doc-index-heading {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent, #FF5A00);
  margin: 0 0 0.8rem;
  padding-left: 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-privacy .doc-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-privacy .doc-index-link {
  display: block;
  padding: 0.55rem 0.8rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted, #B0B0B0);
  text-decoration: none;
  border-radius: var(--radius, 4px);
  border-left: 3px solid transparent;
  transition: all 0.25s ease;
  position: relative;
}

.page-privacy .doc-index-link::before {
  content: '▸';
  color: var(--color-neon, #8A2BE2);
  margin-right: 0.4rem;
  font-size: 0.75rem;
  opacity: 0.5;
  transition: opacity 0.25s ease;
}

.page-privacy .doc-index-link:hover,
.page-privacy .doc-index-link:focus {
  color: var(--color-text, #FFFFFF);
  background: rgba(255, 90, 0, 0.1);
  border-left-color: var(--color-accent, #FF5A00);
}

.page-privacy .doc-index-link:hover::before,
.page-privacy .doc-index-link:focus::before {
  opacity: 1;
  color: var(--color-accent, #FF5A00);
}

.page-privacy .doc-index-decor {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(138, 43, 226, 0.4), transparent);
  margin-top: 1rem;
  opacity: 0.5;
}

/* ---------- 右侧内容 ---------- */
.page-privacy .doc-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--privacy-section-gap);
}

/* ---------- 章节卡片 ---------- */
.page-privacy .section-card {
  background: var(--color-card, #1A2A3E);
  border: 1px solid rgba(192, 192, 192, 0.15);
  border-radius: var(--radius-card, 6px);
  padding: 1.5rem 1.2rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.page-privacy .section-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 90, 0, 0.08) 100%);
  pointer-events: none;
}

.page-privacy .section-card:hover {
  border-color: var(--privacy-card-hover-border);
  box-shadow: 0 4px 24px rgba(255, 90, 0, 0.08);
}

.page-privacy .section-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(192, 192, 192, 0.12);
  padding-bottom: 0.7rem;
}

.page-privacy .section-card-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(138, 43, 226, 0.1);
  padding: 4px;
  box-shadow: 0 0 0 1px rgba(138, 43, 226, 0.2);
}

.page-privacy .section-card-title {
  font-family: var(--font-heading, 'Impact', sans-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text, #FFFFFF);
  margin: 0;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}

.page-privacy .section-card-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 40px;
  height: 3px;
  background: var(--color-accent, #FF5A00);
  transform: skewX(-20deg);
  border-radius: 1px;
  opacity: 0.6;
}

.page-privacy .section-card-body {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--color-text, #FFFFFF);
}

.page-privacy .section-card-body p {
  margin: 0 0 0.9rem;
}

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

.page-privacy .section-card-body a.text-accent {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 90, 0, 0.4);
  transition: border-color 0.2s ease;
}

.page-privacy .section-card-body a.text-accent:hover {
  border-bottom-color: var(--color-accent, #FF5A00);
}

/* ---------- 声明区 ---------- */
.page-privacy .privacy-statement {
  margin-top: 0.5rem;
  padding: 0.8rem 1rem;
  background: rgba(11, 27, 45, 0.6);
  border-left: 3px solid var(--color-neon, #8A2BE2);
  border-radius: 0 var(--radius, 4px) var(--radius, 4px) 0;
}

.page-privacy .privacy-statement .text-muted {
  color: var(--color-text-muted, #B0B0B0);
  font-size: 0.9rem;
  margin: 0;
}

.page-privacy .privacy-statement a.text-accent {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  border-bottom: 1px dotted rgba(255, 90, 0, 0.4);
}

.page-privacy .privacy-statement a.text-accent:hover {
  border-bottom-color: var(--color-accent, #FF5A00);
}

/* ---------- 内部链接 ---------- */
.page-privacy .internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(192, 192, 192, 0.15);
}

.page-privacy .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius, 4px);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  line-height: 1.3;
}

.page-privacy .btn-outline {
  background: transparent;
  color: var(--color-text, #FFFFFF);
  border: 1.5px solid var(--color-secondary, #C0C0C0);
  position: relative;
  overflow: hidden;
}

.page-privacy .btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent, #FF5A00);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 0;
}

.page-privacy .btn-outline:hover {
  border-color: var(--color-accent, #FF5A00);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 90, 0, 0.2);
}

.page-privacy .btn-outline:hover::before {
  opacity: 1;
}

.page-privacy .btn-outline span,
.page-privacy .btn-outline {
  position: relative;
  z-index: 1;
}

/* ---------- 工具类 ---------- */
.page-privacy .text-accent {
  color: var(--color-accent, #FF5A00);
}

.page-privacy .text-muted {
  color: var(--color-text-muted, #B0B0B0);
}

/* ========== 桌面端 ≥768px ========== */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2rem 2rem 4rem;
  }

  .page-privacy .privacy-hero-title {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
  }

  .page-privacy .privacy-hero-img {
    max-width: 800px;
  }

  .page-privacy .doc-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }

  .page-privacy .doc-index {
    position: sticky;
    top: calc(var(--header-height, 70px) + 1.5rem);
    width: var(--privacy-index-width);
    min-width: var(--privacy-index-width);
    padding: 1.5rem 1.2rem;
  }

  .page-privacy .doc-index-heading {
    font-size: 1.05rem;
  }

  .page-privacy .doc-index-link {
    font-size: 0.95rem;
    padding: 0.6rem 0.8rem;
  }

  .page-privacy .doc-content {
    flex: 1;
    max-width: calc(100% - var(--privacy-index-width) - 2.5rem);
  }

  .page-privacy .section-card {
    padding: 1.8rem 1.8rem;
  }

  .page-privacy .section-card-title {
    font-size: 1.45rem;
  }

  .page-privacy .section-card-body {
    font-size: 1rem;
  }

  .page-privacy .internal-links {
    gap: 1.2rem;
  }

  .page-privacy .btn {
    padding: 0.7rem 2rem;
    font-size: 1rem;
  }
}

/* ========== 宽桌面 ≥1024px ========== */
@media (min-width: 1024px) {
  .page-privacy {
    padding: 2.5rem 2.5rem 5rem;
  }

  .page-privacy .doc-index {
    width: 240px;
    min-width: 240px;
    padding: 1.8rem 1.4rem;
  }

  .page-privacy .doc-content {
    max-width: calc(100% - 240px - 3rem);
  }

  .page-privacy .section-card {
    padding: 2rem 2.2rem;
  }
}

/* ========== 超大桌面 ≥1440px ========== */
@media (min-width: 1440px) {
  .page-privacy {
    padding: 3rem 0 5rem;
  }
}