.page-privacy {
  scroll-behavior: smooth;
  background: var(--color-gray);
  font-family: var(--font-sans);
}

/* ===== Hero ===== */
.page-privacy__hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
  background-color: var(--color-deep);
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-privacy__hero::before {
  content: '';
  position: absolute;
  right: -160px;
  bottom: -220px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(229, 199, 107, 0.14);
  border-radius: 50%;
  pointer-events: none;
}

.page-privacy__breadcrumb {
  margin-bottom: 32px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.page-privacy__breadcrumb .breadcrumb__link {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--transition);
}

.page-privacy__breadcrumb .breadcrumb__link:hover {
  color: var(--color-gold-light);
}

.page-privacy__breadcrumb .breadcrumb__sep {
  margin: 0 8px;
  color: var(--color-gold);
}

.page-privacy__breadcrumb .breadcrumb__item {
  color: var(--color-gold-light);
}

.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-privacy__hero-grid > * {
  min-width: 0;
}

.page-privacy__shield {
  position: relative;
  max-width: 520px;
}

.page-privacy__shield::before {
  content: '';
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid rgba(229, 199, 107, 0.4);
  pointer-events: none;
}

.page-privacy__shield img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(201, 162, 39, 0.55);
  object-fit: cover;
}

.page-privacy__hero-copy {
  color: var(--color-white);
}

.page-privacy__hero-copy .exhibit-label {
  color: var(--color-gold-light);
}

.page-privacy__hero-title-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 14px 0 6px;
}

.page-privacy__hero-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin: 0;
}

.page-privacy__hero-title-note {
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.35em;
  color: rgba(229, 199, 107, 0.75);
  border-left: 1px solid rgba(229, 199, 107, 0.45);
  padding-left: 8px;
  margin-top: 8px;
  white-space: nowrap;
}

.page-privacy__hero-sub {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--color-gold-light);
}

.page-privacy__hero-intro {
  margin: 0 0 28px;
  max-width: 540px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
}

.page-privacy__hero-btn {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.page-privacy__hero-btn:hover,
.page-privacy__hero-btn:focus-visible {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: var(--color-deep);
}

.page-privacy__hero-vertical {
  position: absolute;
  right: 12px;
  top: 120px;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: rgba(229, 199, 107, 0.45);
  pointer-events: none;
}

.page-privacy__band {
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light) 45%, var(--color-gold));
}

/* ===== 条款主体 ===== */
.page-privacy__body {
  background-color: var(--color-gray);
  background-image:
    linear-gradient(rgba(10, 35, 66, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 35, 66, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-privacy__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 80px;
}

.page-privacy__layout > * {
  min-width: 0;
}

/* ===== 目录 ===== */
.page-privacy__toc {
  background: var(--color-white);
  border-top: 3px solid var(--color-gold);
  box-shadow: var(--shadow-card);
}

.page-privacy__toc-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 12px;
  border-bottom: 1px solid rgba(10, 35, 66, 0.08);
}

.page-privacy__toc-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-deep);
  margin: 0;
}

.page-privacy__toc-sub {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(10, 35, 66, 0.45);
}

.page-privacy__toc-nav {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 4px;
  scroll-snap-type: x proximity;
}

.page-privacy__toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  flex-shrink: 0;
  scroll-snap-align: start;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  border-bottom-color: var(--color-gold);
  background: rgba(201, 162, 39, 0.06);
}

.page-privacy__toc-num {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
}

/* ===== 安全卡片与CSS锁图标 ===== */
.page-privacy__security {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 20px;
  padding: 16px;
  background: var(--color-deep);
  color: var(--color-white);
}

.page-privacy__security-text {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.88);
}

.page-privacy__lock {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
}

.page-privacy__lock-shackle {
  position: absolute;
  top: 2px;
  left: 10px;
  width: 24px;
  height: 20px;
  border: 3px solid var(--color-gold-light);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
}

.page-privacy__lock-body {
  position: absolute;
  left: 4px;
  bottom: 2px;
  width: 36px;
  height: 28px;
  background: rgba(201, 162, 39, 0.2);
  border: 3px solid var(--color-gold-light);
  border-radius: 3px;
}

.page-privacy__lock-body::after {
  content: '';
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 9px;
  background: var(--color-gold-light);
  border-radius: 2px;
}

/* ===== 条款区块 ===== */
.page-privacy__sections {
  display: grid;
  gap: 32px;
}

.page-privacy__section {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  padding: 32px 24px 36px;
  scroll-margin-top: 116px;
}

.page-privacy__section::after {
  content: attr(data-index);
  position: absolute;
  right: 12px;
  top: 6px;
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: rgba(10, 35, 66, 0.045);
  pointer-events: none;
}

.page-privacy__section-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(10, 35, 66, 0.08);
}

.page-privacy__section-num {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-gold);
}

.page-privacy__section-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-deep);
  margin: 0;
}

.page-privacy__section-en {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(10, 35, 66, 0.4);
}

.page-privacy__section-body {
  position: relative;
  z-index: 1;
  border-left: 2px solid var(--color-gold);
  margin-top: 24px;
  padding-left: 20px;
  display: grid;
  gap: 16px;
}

.page-privacy__section-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: #333333;
}

.page-privacy__section-body strong {
  color: var(--color-deep);
  font-weight: 600;
}

.page-privacy__section-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy__section-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #333333;
}

.page-privacy__section-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--color-gold);
  border-radius: 1px;
}

.page-privacy__inline-link {
  color: var(--color-peacock);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 106, 143, 0.35);
  transition: color var(--transition), border-bottom-color var(--transition);
}

.page-privacy__inline-link:hover,
.page-privacy__inline-link:focus-visible {
  color: var(--color-deep);
  border-bottom-color: var(--color-gold);
}

/* ===== 权利网格 ===== */
.page-privacy__rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy__rights-item {
  padding: 14px 16px;
  background: var(--color-gray);
  border-left: 3px solid var(--color-gold-light);
}

.page-privacy__rights-title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-deep);
}

.page-privacy__rights-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #444444;
}

/* ===== 联系卡片 ===== */
.page-privacy__contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy__contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--color-deep);
  color: var(--color-white);
}

.page-privacy__contact-item:first-child {
  background: linear-gradient(120deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-deep);
}

.page-privacy__contact-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  opacity: 0.72;
}

.page-privacy__contact-value {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

/* ===== 相关页面 ===== */
.page-privacy__related {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(201, 162, 39, 0.4);
  background: var(--color-white);
}

.page-privacy__related-title {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}

.page-privacy__related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy__related-link {
  padding: 10px 16px;
  border: 1px solid rgba(10, 35, 66, 0.2);
  font-size: 13px;
  color: var(--color-deep);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.page-privacy__related-link:hover,
.page-privacy__related-link:focus-visible {
  border-color: var(--color-gold);
  background: rgba(201, 162, 39, 0.06);
  color: var(--color-deep);
}

/* ===== 返回顶部 ===== */
.page-privacy__back-top {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-deep);
  border: 1px solid var(--color-gold);
  color: var(--color-white);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(10, 35, 66, 0.2);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.page-privacy__back-top:hover,
.page-privacy__back-top:focus-visible {
  transform: translateY(-2px);
  background: var(--color-gold);
  color: var(--color-deep);
}

.page-privacy__hero-btn:focus-visible,
.page-privacy__back-top:focus-visible,
.page-privacy__inline-link:focus-visible,
.page-privacy__related-link:focus-visible,
.page-privacy__toc-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-privacy__hero {
    padding: 64px 0 80px;
  }

  .page-privacy__hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }

  .page-privacy__hero-title {
    font-size: 52px;
  }

  .page-privacy__hero-vertical {
    right: 28px;
  }

  .page-privacy__layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
    padding-top: 72px;
    padding-bottom: 104px;
  }

  .page-privacy__toc {
    position: sticky;
    top: 108px;
    box-shadow: var(--shadow-card);
  }

  .page-privacy__toc-nav {
    flex-direction: column;
    padding: 8px 0;
    overflow: visible;
  }

  .page-privacy__toc-link {
    display: flex;
    align-items: baseline;
    gap: 12px;
    width: 100%;
    padding: 14px 20px;
    border-bottom: none;
    border-left: 3px solid transparent;
    white-space: normal;
  }

  .page-privacy__toc-link:hover,
  .page-privacy__toc-link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--color-gold);
  }

  .page-privacy__security {
    margin: 16px;
  }

  .page-privacy__section {
    padding: 44px 40px 48px;
  }

  .page-privacy__section::after {
    font-size: 108px;
    right: 24px;
    top: 12px;
  }

  .page-privacy__section-body {
    padding-left: 28px;
    gap: 18px;
  }

  .page-privacy__rights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy__contact-grid {
    grid-template-columns: 1.4fr 1fr;
  }

  .page-privacy__related {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }
}