/* ============================================
   使用说明与免责声明 | .page-disclaimer
   单列文档 · 纸张叠层 · 牛皮纸胶带
   ============================================ */

.page-disclaimer{
  --doc-paper: #EFF1F2;
  --doc-card: #FFFFFF;
  --doc-line: #D8DDE0;
  --doc-ink: #22313A;
  background-color: var(--doc-paper);
  color: var(--doc-ink);
  padding-bottom: 60px;
}

.page-disclaimer .container{
  max-width: 980px;
}

/* ---- 面包屑 ---- */
.page-disclaimer .container.breadcrumb{
  padding-top: 20px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .04em;
  color: #768791;
}

.page-disclaimer .breadcrumb a{
  color: var(--clr-blue);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover{
  text-decoration: underline;
}

.page-disclaimer .breadcrumb__sep{
  margin: 0 8px;
  color: #A9B4BA;
}

/* ---- 标题区：纸张卡片 + 胶带贴纸 ---- */
.page-disclaimer .legal-hero{
  position: relative;
  margin-top: 18px;
  padding: 40px 48px 34px;
  background: var(--doc-card);
  border: 1px solid var(--doc-line);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 18px rgba(20, 30, 40, .06);
}

.page-disclaimer .tape-label{
  position: absolute;
  top: 18px;
  right: 26px;
  z-index: 1;
  display: inline-block;
  padding: 7px 16px;
  background: rgba(242, 183, 5, .28);
  border-left: 3px solid var(--clr-gold);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .18em;
  color: #5C4E16;
  transform: rotate(-2deg);
  box-shadow: 0 2px 6px rgba(120, 90, 20, .12);
}

.page-disclaimer .kicker{
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clr-green);
  margin-bottom: 10px;
}

.page-disclaimer .legal-hero h1{
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.12;
  margin: 0 0 14px;
  color: var(--clr-deep);
  letter-spacing: -.02em;
}

.page-disclaimer .legal-lead{
  margin: 0;
  max-width: 720px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: #465863;
}

/* ---- 快速目录 ---- */
.page-disclaimer .legal-toc{
  margin-top: 22px;
  padding: 20px 26px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--doc-line);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(20, 30, 40, .04);
}

.page-disclaimer .toc-label{
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: #7D8E98;
  text-transform: uppercase;
}

.page-disclaimer .legal-toc ol{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 22px;
}

.page-disclaimer .legal-toc a{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-blue);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.page-disclaimer .legal-toc a::before{
  content: "";
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--clr-green);
  transform: rotate(45deg);
}

.page-disclaimer .legal-toc a:hover{
  border-bottom-color: var(--clr-blue);
}

/* ---- 盾牌安全概念图 ---- */
.page-disclaimer .shield-figure{
  margin: 28px auto 8px;
  text-align: center;
}

.page-disclaimer .shield-figure img{
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--doc-line);
  box-shadow: 0 10px 30px rgba(20, 30, 40, .1);
}

.page-disclaimer .shield-figure figcaption{
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .06em;
  color: #7D8E98;
}

/* ---- 文档区：纸张叠层 ---- */
.page-disclaimer .legal-doc{
  margin-top: 12px;
}

.page-disclaimer .legal-section{
  position: relative;
  margin-bottom: 22px;
  background: var(--doc-card);
  border: 1px solid var(--doc-line);
  border-radius: var(--radius-sm);
  box-shadow:
    0 2px 0 #F2F4F5,
    0 3px 0 #E3E7E9,
    0 8px 20px rgba(20, 30, 40, .05);
  scroll-margin-top: 110px;
}

.page-disclaimer .legal-section summary{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-deep);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.page-disclaimer .legal-section summary::-webkit-details-marker{
  display: none;
}

.page-disclaimer .legal-section summary:hover{
  background-color: rgba(0, 166, 81, .05);
}

/* 旗帜图标 */
.page-disclaimer .section-flag{
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 13px;
}

.page-disclaimer .section-flag::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--clr-green) 0 58%, var(--clr-blue) 58% 100%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 52% 100%, 0 58%);
}

.page-disclaimer .section-flag::after{
  content: "";
  position: absolute;
  left: -4px;
  top: -5px;
  width: 2px;
  height: 19px;
  border-radius: 1px;
  background: #8A9BA1;
}

/* 序号 */
.page-disclaimer .section-num{
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--clr-orange);
}

/* 章节标题 */
.page-disclaimer .section-title{
  flex: 1;
}

/* 折叠指示器 */
.page-disclaimer .legal-section summary::before{
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 400;
  color: var(--clr-blue);
  background: rgba(0, 114, 206, .08);
  border-radius: 50%;
  transition: background-color var(--transition), transform var(--transition);
}

.page-disclaimer .legal-section[open] summary::before{
  content: "−";
  background: rgba(0, 166, 81, .12);
  color: var(--clr-green);
}

/* 章节内容 */
.page-disclaimer .section-body{
  padding: 6px 22px 22px 22px;
  border-top: 1px dashed var(--doc-line);
}

.page-disclaimer .section-body p{
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: #35464F;
}

.page-disclaimer .section-body a{
  color: var(--clr-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .section-body a:hover{
  text-decoration: none;
}

/* ---- 底部指引 ---- */
.page-disclaimer .legal-links{
  margin-top: 30px;
  padding: 22px 26px;
  background: var(--clr-deep);
  color: #E6F0F5;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-disclaimer .legal-links p{
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .legal-links a{
  color: var(--clr-gold);
  text-decoration: underline;
}

.page-disclaimer .legal-links .back-top{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 16px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  color: #fff;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--transition);
}

.page-disclaimer .legal-links .back-top::before{
  content: "↑";
  font-size: 16px;
  line-height: 1;
}

.page-disclaimer .legal-links .back-top:hover{
  background: rgba(255, 255, 255, .2);
}

/* ---- 移动端适配 ---- */
@media (max-width: 640px){
  .page-disclaimer{
    padding-bottom: 36px;
  }

  .page-disclaimer .legal-hero{
    margin-top: 14px;
    padding: 28px 18px 24px;
  }

  .page-disclaimer .tape-label{
    position: static;
    display: inline-block;
    margin-bottom: 16px;
    transform: rotate(-1.8deg);
  }

  .page-disclaimer .legal-hero h1{
    font-size: 30px;
  }

  .page-disclaimer .legal-lead{
    font-size: 15px;
  }

  .page-disclaimer .legal-toc{
    padding: 16px 18px;
  }

  .page-disclaimer .legal-toc ol{
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 14px;
  }

  .page-disclaimer .shield-figure{
    margin-top: 20px;
  }

  .page-disclaimer .legal-section summary{
    padding: 15px 14px;
    gap: 10px;
    font-size: 15px;
  }

  .page-disclaimer .section-flag{
    flex-basis: 18px;
    width: 18px;
    height: 11px;
  }

  .page-disclaimer .section-body{
    padding: 4px 14px 18px;
  }

  .page-disclaimer .legal-links{
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
  }
}