/* ===== 隐私政策页 ===== */
.page-privacy {
  --privacy-shell-w: 840px;
  position: relative;
  padding: 20px 16px 72px;
  background-color: var(--c-pale);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(10, 37, 64, 0.012) 0,
    rgba(10, 37, 64, 0.012) 1px,
    transparent 1px,
    transparent 14px
  );
  overflow: hidden;
  font-family: var(--font-body);
  color: var(--c-graphite);
}

.page-privacy::before,
.page-privacy::after {
  content: '';
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 0;
  pointer-events: none;
}

.page-privacy::before {
  left: -48px;
  width: 170px;
  background: linear-gradient(135deg, rgba(10, 37, 64, 0.09), rgba(10, 37, 64, 0) 65%);
  transform: skewX(-12deg);
}

.page-privacy::after {
  right: -48px;
  width: 170px;
  background: linear-gradient(45deg, rgba(255, 90, 0, 0.07), rgba(255, 90, 0, 0) 65%);
  transform: skewX(12deg);
}

.page-privacy .privacy-shell {
  position: relative;
  z-index: 1;
  max-width: var(--privacy-shell-w);
  margin: 0 auto;
}

/* 面包屑 */
.page-privacy .privacy-breadcrumbs {
  margin-bottom: 18px;
  font-size: 13px;
}

.page-privacy .privacy-breadcrumbs .breadcrumbs-link {
  color: var(--c-fog);
  text-decoration: none;
  transition: color var(--ease-out);
}

.page-privacy .privacy-breadcrumbs .breadcrumbs-link:hover,
.page-privacy .privacy-breadcrumbs .breadcrumbs-link:focus {
  color: var(--c-orange);
}

.page-privacy .privacy-breadcrumbs .breadcrumbs-sep {
  margin: 0 6px;
  color: var(--c-line);
}

.page-privacy .privacy-breadcrumbs .breadcrumbs-current {
  color: var(--c-graphite);
  font-weight: 500;
}

/* Hero */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 18px 30px;
  margin-bottom: 28px;
  text-align: center;
  background: linear-gradient(160deg, var(--c-white) 0%, var(--c-pale) 70%, var(--c-orange-light) 140%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-privacy .privacy-hero::after {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, rgba(255, 90, 0, 0.08), transparent 70%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-privacy .privacy-emblem {
  display: block;
  width: 86px;
  height: 90px;
  margin: 0 auto 16px;
  filter: drop-shadow(0 8px 18px rgba(10, 37, 64, 0.16));
}

.page-privacy .privacy-kicker {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--c-deep);
}

.page-privacy .privacy-lead {
  max-width: 600px;
  margin: 0 auto 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-privacy .privacy-lead strong {
  color: var(--c-deep);
  font-weight: 600;
  background: linear-gradient(transparent 62%, var(--c-orange-light) 62%);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 10px;
  margin: 0;
  font-size: 13px;
  color: var(--c-fog);
}

/* 章节列表 */
.page-privacy .privacy-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-privacy .privacy-section {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--ease-out), transform var(--ease-out);
}

.page-privacy .privacy-section:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-privacy .privacy-details[open] .privacy-summary {
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
}

.page-privacy .privacy-summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-summary::marker {
  content: '';
}

.page-privacy .privacy-summary:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-privacy .privacy-num {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 38px;
  padding: 0 6px;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-orange) 0%, #FF7E29 100%);
  border-radius: 8px 2px 8px 2px;
  box-shadow: 0 3px 0 rgba(255, 90, 0, 0.28);
}

.page-privacy .privacy-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-deep);
}

.page-privacy .privacy-toggle {
  position: relative;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-left: auto;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  background: var(--c-pale);
}

.page-privacy .privacy-toggle::before,
.page-privacy .privacy-toggle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-deep);
  transform: translate(-50%, -50%);
  transition: opacity var(--ease-out), transform var(--ease-out);
}

.page-privacy .privacy-toggle::before {
  width: 12px;
  height: 2px;
}

.page-privacy .privacy-toggle::after {
  width: 2px;
  height: 12px;
}

.page-privacy .privacy-details[open] .privacy-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

/* 正文 */
.page-privacy .privacy-body {
  padding: 16px 18px 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-graphite);
  animation: privacy-fade-in var(--ease-out);
}

@keyframes privacy-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-privacy .privacy-body p {
  margin: 0 0 12px;
}

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

.page-privacy .privacy-list {
  margin: 12px 0 14px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 9px 0 9px 22px;
  border-bottom: 1px dashed var(--c-line);
}

.page-privacy .privacy-list li:last-child {
  border-bottom: none;
}

.page-privacy .privacy-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--c-orange);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.page-privacy .privacy-list strong {
  color: var(--c-deep);
  font-weight: 600;
}

/* 图片 */
.page-privacy .privacy-figure {
  margin: 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-privacy .privacy-figure figcaption {
  padding: 10px 12px 0;
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-fog);
}

/* 联系卡 */
.page-privacy .privacy-contact {
  position: relative;
  margin-top: 16px;
  padding: 18px 18px 14px;
  background: var(--c-deep);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--radius);
  color: var(--c-white);
}

.page-privacy .privacy-contact-note {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
}

.page-privacy .privacy-contact-grid {
  display: grid;
  gap: 0;
}

.page-privacy .privacy-contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-privacy .privacy-contact-item:last-child {
  border-bottom: none;
}

.page-privacy .privacy-contact-label {
  flex-shrink: 0;
  min-width: 72px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.64);
}

.page-privacy .privacy-contact-value {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
  text-align: right;
  word-break: break-word;
  color: var(--c-white);
}

.page-privacy .privacy-body-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  color: var(--c-fog);
}

.page-privacy .privacy-text-link {
  color: var(--c-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--c-fog);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color var(--ease-out), text-decoration-color var(--ease-out);
}

.page-privacy .privacy-text-link:hover,
.page-privacy .privacy-text-link:focus {
  color: var(--c-orange);
  text-decoration-color: var(--c-orange);
}

/* 相关页面 */
.page-privacy .privacy-related {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}

.page-privacy .privacy-related h2 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-deep);
}

.page-privacy .privacy-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .privacy-related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-graphite);
  text-decoration: none;
  transition: border-color var(--ease-out), box-shadow var(--ease-out), transform var(--ease-out);
}

.page-privacy .privacy-related-card:hover,
.page-privacy .privacy-related-card:focus,
.page-privacy .privacy-related-card:focus-visible {
  border-color: var(--c-orange);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.page-privacy .privacy-related-tag {
  flex-shrink: 0;
  min-width: 44px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  color: var(--c-orange);
  background: var(--c-orange-light);
  border-radius: 999px;
}

.page-privacy .privacy-related-title {
  font-size: 15px;
  font-weight: 500;
}

/* 返回顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--c-deep);
  color: var(--c-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transition: background-color var(--ease-out), transform var(--ease-out);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus {
  background: var(--c-orange);
  transform: translateY(-3px);
}

.page-privacy .privacy-top svg {
  width: 18px;
  height: 18px;
}

/* 平板与桌面增强 */
@media (min-width: 768px) {
  .page-privacy {
    padding: 28px 32px 88px;
  }

  .page-privacy .privacy-hero {
    padding: 40px 48px 38px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 48px;
  }

  .page-privacy .privacy-lead {
    font-size: 16px;
  }

  .page-privacy .privacy-summary {
    padding: 18px 22px;
  }

  .page-privacy .privacy-body {
    padding: 20px 26px 24px;
    font-size: 15.5px;
  }

  .page-privacy .privacy-num {
    min-width: 50px;
    height: 42px;
    font-size: 30px;
  }

  .page-privacy .privacy-title {
    font-size: 22px;
  }

  .page-privacy .privacy-contact {
    padding: 20px 22px 16px;
  }

  .page-privacy .privacy-contact-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }

  .page-privacy .privacy-related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-privacy::before,
  .page-privacy::after {
    display: block;
  }
}