/* ===== 页面专属 CSS — .page-disclaimer ===== */
.page-disclaimer {
  --color-primary: #D4AF37;
  --color-secondary: #1A237E;
  --color-accent: #FF6F00;
  --color-bg-dark: #0D1B2A;
  --color-bg-light: #F5F5F5;
  --color-text: #212121;
  --color-text-secondary: #757575;
  --color-text-on-dark: #FFFFFF;
  --color-border: #B0BEC5;
  --color-white: #FFFFFF;
  --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'Georgia', serif;
  --border-width: 6px;
  --border-radius: 16px;
  --shadow-strong: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.35);
  --max-width: 1280px;

  display: block;
  background-color: var(--color-bg-light);
  padding: 2rem 0 4rem;
  font-family: var(--font-secondary);
  color: var(--color-text);
  line-height: 1.7;
}

/* 容器 */
.page-disclaimer .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-disclaimer .breadcrumb a {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.25s;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus {
  color: var(--color-primary);
  outline: none;
}

.page-disclaimer .breadcrumb-sep {
  color: var(--color-border);
  font-weight: 700;
  user-select: none;
}

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 400;
}

/* 页面标题区域 */
.page-disclaimer .disclaimer-header {
  margin-bottom: 2.5rem;
}

.page-disclaimer .disclaimer-title {
  font-family: var(--font-primary);
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  border-left: var(--border-width) solid var(--color-primary);
  padding-left: 1rem;
}

.page-disclaimer .disclaimer-subtitle {
  font-family: var(--font-secondary);
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem;
  padding-left: calc(1rem + var(--border-width));
  max-width: 48rem;
}

.page-disclaimer .disclaimer-hero-img {
  width: 100%;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
  border: 4px solid var(--color-secondary);
}

.page-disclaimer .disclaimer-banner {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 条款卡片网格 */
.page-disclaimer .terms-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* 卡片 */
.page-disclaimer .terms-card {
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-secondary);
  border-radius: var(--border-radius);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-strong);
  transition: box-shadow 0.35s, transform 0.35s;
  position: relative;
}

.page-disclaimer .terms-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* 大编号 */
.page-disclaimer .section-number {
  display: block;
  font-family: var(--font-primary);
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.25;
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  pointer-events: none;
  user-select: none;
}

/* 卡片标题 */
.page-disclaimer .terms-card-title {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text);
  margin: 0 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* 条款列表 */
.page-disclaimer .terms-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-disclaimer .term-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-family: var(--font-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.page-disclaimer .term-item:last-child {
  border-bottom: none;
}

.page-disclaimer .term-text {
  flex: 1;
}

/* Tooltip 触发图标 */
.page-disclaimer .tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  background-color: rgba(255, 111, 0, 0.1);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transition: background-color 0.25s, color 0.25s;
  user-select: none;
  margin-top: 0.1rem;
}

.page-disclaimer .tooltip-trigger:hover,
.page-disclaimer .tooltip-trigger:focus {
  background-color: var(--color-accent);
  color: var(--color-white);
  outline: none;
}

/* Tooltip 伪元素 — 显示 data-tooltip 内容 */
.page-disclaimer .tooltip-trigger::after {
  content: attr(data-tooltip);
  display: block;
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) scale(0.9);
  transform-origin: bottom center;
  min-width: 14rem;
  max-width: min(22rem, 80vw);
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.5;
  border-radius: 8px;
  box-shadow: var(--shadow-strong);
  border: 2px solid var(--color-primary);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  pointer-events: none;
  z-index: 100;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

/* 小三角指示器 */
.page-disclaimer .tooltip-trigger::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%) scale(0);
  border: 6px solid transparent;
  border-top-color: var(--color-primary);
  transition: transform 0.3s, opacity 0.3s;
  opacity: 0;
  pointer-events: none;
  z-index: 101;
}

/* 显示 tooltip */
.page-disclaimer .tooltip-trigger:hover::after,
.page-disclaimer .tooltip-trigger:focus::after,
.page-disclaimer .tooltip-trigger:active::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}

.page-disclaimer .tooltip-trigger:hover::before,
.page-disclaimer .tooltip-trigger:focus::before,
.page-disclaimer .tooltip-trigger:active::before {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* 页脚链接区 */
.page-disclaimer .disclaimer-footer-links {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 3px solid var(--color-secondary);
  text-align: center;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.page-disclaimer .disclaimer-footer-links p {
  margin: 0.5rem 0;
}

.page-disclaimer .disclaimer-footer-links a {
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s;
}

.page-disclaimer .disclaimer-footer-links a:hover,
.page-disclaimer .disclaimer-footer-links a:focus {
  color: var(--color-primary);
  outline: none;
}

.page-disclaimer .back-home a {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--color-secondary);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
}

.page-disclaimer .back-home a:hover,
.page-disclaimer .back-home a:focus {
  background-color: var(--color-secondary);
  color: var(--color-text-on-dark);
  border-color: var(--color-secondary);
}

/* ===== 响应式 ===== */
/* 平板及以上 (≥768px) */
@media (min-width: 768px) {
  .page-disclaimer {
    padding: 3rem 0 5rem;
  }

  .page-disclaimer .container {
    padding: 0 2.5rem;
  }

  .page-disclaimer .disclaimer-title {
    font-size: 3rem;
    padding-left: 1.5rem;
  }

  .page-disclaimer .disclaimer-subtitle {
    font-size: 1.1rem;
    padding-left: calc(1.5rem + var(--border-width));
  }

  .page-disclaimer .terms-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .page-disclaimer .terms-card {
    padding: 2rem 1.75rem 1.75rem;
  }

  .page-disclaimer .section-number {
    font-size: 4rem;
    top: 0.5rem;
    right: 1.25rem;
  }

  .page-disclaimer .terms-card-title {
    font-size: 1.625rem;
  }

  .page-disclaimer .term-item {
    font-size: 1rem;
  }
}

/* 桌面 (≥1024px) */
@media (min-width: 1024px) {
  .page-disclaimer {
    padding: 4rem 0 6rem;
  }

  .page-disclaimer .container {
    padding: 0 3rem;
  }

  .page-disclaimer .disclaimer-header {
    margin-bottom: 3.5rem;
  }

  .page-disclaimer .disclaimer-title {
    font-size: 3.5rem;
    padding-left: 2rem;
  }

  .page-disclaimer .disclaimer-subtitle {
    font-size: 1.2rem;
    padding-left: calc(2rem + var(--border-width));
  }

  .page-disclaimer .terms-grid {
    gap: 3rem;
  }

  .page-disclaimer .terms-card {
    padding: 2.5rem 2rem 2rem;
  }

  .page-disclaimer .section-number {
    font-size: 4.5rem;
    top: 0.75rem;
    right: 1.5rem;
  }

  .page-disclaimer .terms-card-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
  }

  .page-disclaimer .terms-list {
    gap: 1.25rem;
  }

  .page-disclaimer .term-item {
    font-size: 1.05rem;
    padding: 0.625rem 0;
  }

  .page-disclaimer .tooltip-trigger {
    width: 1.8rem;
    height: 1.8rem;
    font-size: 0.9rem;
  }
}

/* 确保窄屏不横向溢出 */
@media (max-width: 400px) {
  .page-disclaimer .container {
    padding: 0 1rem;
  }

  .page-disclaimer .disclaimer-title {
    font-size: 1.75rem;
    padding-left: 0.75rem;
  }

  .page-disclaimer .disclaimer-subtitle {
    font-size: 0.9rem;
    padding-left: calc(0.75rem + var(--border-width));
  }

  .page-disclaimer .terms-card {
    padding: 1.25rem 1rem 1rem;
  }

  .page-disclaimer .section-number {
    font-size: 2.5rem;
    top: 0.25rem;
    right: 0.75rem;
  }

  .page-disclaimer .terms-card-title {
    font-size: 1.25rem;
  }

  .page-disclaimer .term-item {
    font-size: 0.875rem;
    gap: 0.375rem;
  }

  .page-disclaimer .tooltip-trigger::after {
    min-width: 10rem;
    max-width: 85vw;
    font-size: 0.8rem;
    left: 0;
    right: auto;
    transform: scale(0.9);
    transform-origin: left bottom;
  }

  .page-disclaimer .tooltip-trigger:hover::after,
  .page-disclaimer .tooltip-trigger:focus::after {
    transform: scale(1);
  }

  .page-disclaimer .tooltip-trigger::before {
    left: 1rem;
    transform: translateX(0) scale(0);
  }

  .page-disclaimer .tooltip-trigger:hover::before,
  .page-disclaimer .tooltip-trigger:focus::before {
    transform: translateX(0) scale(1);
  }
}