.page-privacy{
  --privacy-line: rgba(26,42,58,0.14);
  --privacy-card-shadow: 0 2px 16px rgba(26,42,58,0.10);
  background-color: var(--c-cream);
  color: var(--c-dark-gray);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
}
.page-privacy .container{
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 16px 72px;
}
.page-privacy *,
.page-privacy *::before,
.page-privacy *::after{ box-sizing: border-box; }
.page-privacy img{
  max-width: 100%;
  height: auto;
}
.page-privacy a{
  color: var(--c-primary-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}
.page-privacy ol,
.page-privacy ul{
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 桌面端侧边索引，移动端默认隐藏 */
.page-privacy .privacy-doc-side{
  display: none;
}

/* 文档主体 */
.page-privacy .privacy-doc-main{
  min-width: 0;
}

/* ===== 文档头部 ===== */
.page-privacy .privacy-doc-header{
  position: relative;
  overflow: hidden;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--privacy-card-shadow);
  padding: 28px 16px;
  margin-bottom: 16px;
}
.page-privacy .privacy-doc-header::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-primary) 70%, var(--c-accent) 70%, var(--c-accent) 100%);
}
.page-privacy .breadcrumb{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--c-gray-blue);
  margin-bottom: 20px;
}
.page-privacy .breadcrumb a{
  color: var(--c-gray-blue);
  text-decoration: none;
}
.page-privacy .breadcrumb a:hover{
  color: var(--c-primary);
}
.page-privacy .privacy-breadcrumb-sep{
  color: var(--c-gray-lite);
}
.page-privacy .privacy-doc-kicker{
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.page-privacy .privacy-doc-header h1{
  font-family: var(--font-headline);
  font-size: 48px;
  line-height: 1.05;
  color: var(--c-deep);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.page-privacy .privacy-head-row{
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.page-privacy .privacy-doc-desc{
  flex: 1 1 280px;
  max-width: 34em;
  font-size: 16px;
  color: var(--c-gray-blue);
  margin: 0;
}
.page-privacy .privacy-doc-stamp{
  flex: 0 0 auto;
  background: var(--c-deep);
  color: var(--c-white);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .privacy-stamp-badge{
  color: var(--c-accent);
  font-weight: 700;
}
.page-privacy .privacy-stamp-value{
  color: var(--c-white);
}
.page-privacy .privacy-doc-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  border-top: 1px solid var(--privacy-line);
  border-bottom: 1px solid var(--privacy-line);
  padding: 12px 0;
  font-size: 13px;
  color: var(--c-gray-blue);
  margin-bottom: 16px;
}
.page-privacy .privacy-doc-lead{
  font-size: 14px;
  color: var(--c-gray-blue);
  border-left: 3px solid var(--c-primary);
  padding-left: 16px;
  margin: 0;
  max-width: 56em;
}

/* ===== 移动端目录 ===== */
.page-privacy .privacy-toc{
  background: var(--c-deep);
  border-radius: var(--radius-lg);
  padding: 18px 16px 16px;
  margin-bottom: 12px;
}
.page-privacy .privacy-toc-title{
  font-family: var(--font-headline);
  font-size: 16px;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .privacy-toc-title::before{
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-primary);
  display: inline-block;
}
.page-privacy .privacy-toc-list{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.page-privacy .privacy-toc-list a{
  display: block;
  color: var(--c-white);
  text-decoration: none;
  font-size: 13px;
  text-align: center;
  padding: 9px 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius);
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus{
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

/* ===== 章节通用 ===== */
.page-privacy .privacy-section{
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--privacy-card-shadow);
  padding: 24px 16px;
  margin-bottom: 12px;
  scroll-margin-top: 20px;
}
.page-privacy .privacy-section-head{
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--c-deep);
  margin-bottom: 20px;
}
.page-privacy .privacy-section-num{
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
  color: var(--c-primary);
}
.page-privacy .privacy-section-head h2{
  font-family: var(--font-headline);
  font-size: 24px;
  line-height: 1.2;
  color: var(--c-deep);
  margin: 4px 0 4px;
}
.page-privacy .privacy-section-goal{
  font-size: 12px;
  color: var(--c-gray-blue);
  margin: 0;
}
.page-privacy .privacy-section-body > p:first-child{
  margin-top: 0;
}

/* ===== 条款列表 ===== */
.page-privacy .privacy-clause-list{
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.page-privacy .privacy-clause{
  margin-left: 8px;
  padding-left: 18px;
  border-left: 1px solid var(--privacy-line);
}
.page-privacy .privacy-clause-num{
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-deep);
  margin-bottom: 4px;
}
.page-privacy .privacy-clause p{
  margin: 0;
  font-size: 14px;
  color: var(--c-dark-gray);
}

/* ===== 条款解释折叠 ===== */
.page-privacy .privacy-details{
  margin-top: 24px;
  background: var(--c-cream);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background var(--t-base), border-color var(--t-base);
}
.page-privacy .privacy-details[open]{
  background: var(--c-light-orange);
  border-color: var(--c-light-orange);
}
.page-privacy .privacy-details summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  user-select: none;
  padding: 15px 16px 15px 20px;
  font-family: var(--font-headline);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-deep);
}
.page-privacy .privacy-details summary::-webkit-details-marker{
  display: none;
}
.page-privacy .privacy-details-label{
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .privacy-details-label::before{
  content: "";
  width: 10px;
  height: 10px;
  background: var(--c-primary);
  transform: rotate(45deg);
  flex: 0 0 auto;
}
.page-privacy .privacy-details-toggle{
  position: relative;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid var(--c-deep);
  border-radius: 50%;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.page-privacy .privacy-details-toggle::before,
.page-privacy .privacy-details-toggle::after{
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-deep);
  transition: opacity var(--t-fast), background var(--t-fast);
}
.page-privacy .privacy-details-toggle::before{
  width: 10px;
  height: 2px;
}
.page-privacy .privacy-details-toggle::after{
  width: 2px;
  height: 10px;
}
.page-privacy .privacy-details[open] .privacy-details-toggle{
  transform: rotate(45deg);
  background: var(--c-primary);
  border-color: var(--c-primary);
}
.page-privacy .privacy-details[open] .privacy-details-toggle::before,
.page-privacy .privacy-details[open] .privacy-details-toggle::after{
  background: var(--c-white);
}
.page-privacy .privacy-details[open] .privacy-details-toggle::after{
  opacity: 0;
}
.page-privacy .privacy-details-body{
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--c-dark-gray);
  border-top: 1px dashed var(--c-gray-lite);
  margin: 0 6px;
}
.page-privacy .privacy-details-body p{
  margin: 12px 0 0;
}

/* ===== 数据安全示意图 ===== */
.page-privacy .privacy-media-block{
  margin: 20px 0 0;
  overflow: hidden;
  background: var(--c-deep);
  border-radius: var(--radius-lg);
}
.page-privacy .privacy-media-block img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 320px;
}
.page-privacy .privacy-media-block figcaption{
  padding: 10px 14px;
  background: var(--c-deep);
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
}

/* ===== 联系信息卡片 ===== */
.page-privacy .privacy-contact-list{
  gap: 14px;
}
.page-privacy .privacy-contact-item{
  background: var(--c-cream);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-left: 0;
}
.page-privacy .privacy-contact-value{
  font-size: 18px;
  font-weight: 700;
  color: var(--c-deep);
  margin-top: 4px;
}
.page-privacy .privacy-contact-note{
  font-size: 13px;
  color: var(--c-gray-blue);
  margin-top: 4px;
}

/* ===== 结尾信任区 ===== */
.page-privacy .privacy-signoff{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  background: var(--c-deep);
  color: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  margin-top: 18px;
}
.page-privacy .privacy-signoff-mark{
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  background: var(--c-primary);
  border-radius: 8px;
  box-shadow: 4px 4px 0 var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-size: 30px;
  color: var(--c-white);
}
.page-privacy .privacy-signoff-text{
  flex: 1 1 300px;
}
.page-privacy .privacy-signoff-kicker{
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-accent);
  text-transform: uppercase;
}
.page-privacy .privacy-signoff h3{
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: 20px;
  color: var(--c-white);
}
.page-privacy .privacy-signoff-text p:last-child{
  margin: 0;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}
.page-privacy .privacy-signoff-links{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 平板适配 ===== */
@media (min-width: 600px){
  .page-privacy .privacy-toc-list{
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (min-width: 768px){
  .page-privacy .container{
    padding: 32px 24px 80px;
  }
  .page-privacy .privacy-doc-header{
    padding: 40px 36px 32px;
  }
  .page-privacy .privacy-doc-header h1{
    font-size: 60px;
  }
  .page-privacy .privacy-section{
    padding: 36px 32px;
  }
  .page-privacy .privacy-section-head h2{
    font-size: 28px;
  }
  .page-privacy .privacy-media-block img{
    max-height: 420px;
  }
  .page-privacy .privacy-signoff{
    padding: 32px 36px;
  }
}

/* ===== 桌面端双栏布局 ===== */
@media (min-width: 1024px){
  .page-privacy .privacy-doc-grid{
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
  .page-privacy .privacy-doc-side{
    display: block;
  }
  .page-privacy .privacy-doc-main{
    display: flex;
    flex-direction: column;
  }
  .page-privacy .privacy-toc{
    display: none;
  }
  .page-privacy .privacy-side-sticky{
    position: sticky;
    top: 24px;
    background: var(--c-deep);
    color: var(--c-white);
    border-radius: var(--radius-lg);
    padding: 24px 20px 20px;
    box-shadow: var(--privacy-card-shadow);
  }
  .page-privacy .privacy-side-mark{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
  }
  .page-privacy .privacy-side-doc{
    font-family: var(--font-headline);
    font-size: 22px;
    color: var(--c-yellow);
    letter-spacing: 0.04em;
  }
  .page-privacy .privacy-side-version{
    font-family: var(--font-data);
    font-size: 12px;
    color: var(--c-gray-lite);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 3px;
    padding: 4px 8px;
    transform: rotate(-3deg);
  }
  .page-privacy .privacy-side-caption{
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-accent);
    border-bottom: 1px solid rgba(255,255,255,0.16);
    padding-bottom: 10px;
    margin-bottom: 10px;
  }
  .page-privacy .privacy-side-list{
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 20px;
  }
  .page-privacy .privacy-side-list a{
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--c-white);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    transition: background var(--t-fast), transform var(--t-base);
  }
  .page-privacy .privacy-side-list a:hover{
    background: rgba(198,255,0,0.08);
    transform: translateX(4px);
  }
  .page-privacy .privacy-side-num{
    font-family: var(--font-data);
    font-weight: 700;
    font-size: 12px;
    color: var(--c-accent);
    width: 24px;
    flex: 0 0 auto;
  }
  .page-privacy .privacy-side-support{
    display: block;
    text-align: center;
    text-decoration: none;
    color: var(--c-white);
    font-size: 14px;
    padding: 12px 8px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
    transition: background var(--t-fast), border-color var(--t-fast);
  }
  .page-privacy .privacy-side-support:hover{
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-white);
  }
  .page-privacy .privacy-doc-header,
  .page-privacy .privacy-section{
    margin-bottom: 16px;
  }
}