/* ===== 页面专属：使用说明 ===== */
.page-disclaimer {
  --clr-gold: #D4AF37;
  --clr-primary: #0A562B;
  --clr-bg: #F5F5F0;
  --clr-bg-dark: #E0E0D8;
  --clr-text: #1A1A1A;
  --clr-text-secondary: #4A4A4A;
  --font-heading: system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'SFMono-Regular', 'Consolas', monospace;
  --clr-border: #D4AF37;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --max-width: 1200px;
  --border-thick: 4px;
  --shadow-strong: 8px 8px 0 rgba(10, 86, 43, 0.25);
  --shadow-hover: 12px 12px 0 rgba(10, 86, 43, 0.3);
  --transition: 0.25s ease;
  --heading-weight: 900;
  --body-size: 1rem;
}

/* 容器 */
.page-disclaimer__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  padding-top: var(--space-xl);
  min-width: 0;
}

/* 顶部横幅 */
.page-disclaimer__banner {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-2xl);
  border-bottom: var(--border-thick) solid var(--clr-gold);
  padding-bottom: var(--space-lg);
}

.page-disclaimer__banner-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
}

.page-disclaimer__banner-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-disclaimer__banner-text {
  flex: 1;
  min-width: 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  list-style: none;
  padding: 0;
}

.breadcrumb__link {
  color: var(--clr-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.breadcrumb__link:hover,
.breadcrumb__link:focus-visible {
  color: var(--clr-gold);
  outline: 2px solid var(--clr-gold);
  outline-offset: 2px;
}

.breadcrumb__sep {
  color: var(--clr-gold);
  font-weight: 700;
  margin: 0 0.25rem;
}

.breadcrumb__current {
  color: var(--clr-text-secondary);
  font-weight: 600;
}

.page-disclaimer__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: var(--heading-weight);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-sm);
  color: var(--clr-primary);
}

.page-disclaimer__subtitle {
  font-family: var(--font-body);
  font-size: var(--body-size);
  color: var(--clr-text-secondary);
  line-height: 1.5;
  margin: 0;
  max-width: 70ch;
}

/* 条款卡片列表 */
.page-disclaimer__clauses {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.page-disclaimer__clause {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--clr-bg);
  border: var(--border-thick) solid var(--clr-primary);
  box-shadow: var(--shadow-strong);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: default;
  border-radius: 0;
}

.page-disclaimer__clause:hover {
  box-shadow: var(--shadow-hover);
  transform: translate(-2px, -2px);
}

.page-disclaimer__clause-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--clr-gold);
  line-height: 1;
  flex-shrink: 0;
  width: 1.5em;
  text-align: right;
  letter-spacing: -0.04em;
}

.page-disclaimer__clause-body {
  flex: 1;
  min-width: 0;
}

.page-disclaimer__clause-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: var(--heading-weight);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
  color: var(--clr-primary);
  line-height: 1.2;
}

.page-disclaimer__clause-text {
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.7;
  color: var(--clr-text);
  margin: 0 0 var(--space-md);
  max-width: 70ch;
}

.page-disclaimer__clause-note {
  background: var(--clr-bg-dark);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-left: var(--border-thick) solid var(--clr-gold);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}

.page-disclaimer__clause-note p {
  margin: 0;
}

.page-disclaimer__clause-toggle {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  background: transparent;
  border: 2px solid var(--clr-gold);
  color: var(--clr-primary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  display: inline-block;
}

.page-disclaimer__clause-toggle:hover {
  background: var(--clr-gold);
  color: #fff;
  box-shadow: var(--shadow-strong);
}

.page-disclaimer__clause-toggle:focus-visible {
  outline: 3px solid var(--clr-gold);
  outline-offset: 2px;
}

/* 联系列表 */
.page-disclaimer__contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 2;
}

.page-disclaimer__contact-list li {
  color: var(--clr-text);
}

.page-disclaimer__contact-list strong {
  font-weight: 700;
  color: var(--clr-primary);
}

.page-disclaimer__cta {
  margin: 0 0 var(--space-md);
}

.page-disclaimer__cta .btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background: var(--clr-primary);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--clr-primary);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.page-disclaimer__cta .btn:hover {
  background: var(--clr-gold);
  border-color: var(--clr-gold);
  color: var(--clr-primary);
  box-shadow: var(--shadow-strong);
}

.page-disclaimer__cta .btn:focus-visible {
  outline: 3px solid var(--clr-gold);
  outline-offset: 2px;
}

/* 隐私链接 */
.page-disclaimer__privacy-link {
  text-align: center;
  margin-bottom: var(--space-2xl);
  font-family: var(--font-body);
  font-size: var(--body-size);
  padding: var(--space-md);
  border-top: 2px solid var(--clr-gold);
  border-bottom: 2px solid var(--clr-gold);
}

.page-disclaimer__privacy-link p {
  margin: 0;
  color: var(--clr-text-secondary);
}

.page-disclaimer__privacy-link a {
  color: var(--clr-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--clr-gold);
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.page-disclaimer__privacy-link a:hover {
  color: var(--clr-gold);
}

.page-disclaimer__privacy-link a:focus-visible {
  outline: 3px solid var(--clr-gold);
  outline-offset: 2px;
}

/* 确认复选框 */
.page-disclaimer__ack {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.page-disclaimer__ack-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--clr-text);
  padding: var(--space-md);
  border: 2px solid var(--clr-border);
  transition: border-color var(--transition), box-shadow var(--transition);
  user-select: none;
}

.page-disclaimer__ack-label:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-strong);
}

.page-disclaimer__ack-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.page-disclaimer__ack-fakebox {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid var(--clr-primary);
  background: #fff;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}

.page-disclaimer__ack-checkbox:checked + .page-disclaimer__ack-fakebox {
  background: var(--clr-gold);
  border-color: var(--clr-gold);
}

.page-disclaimer__ack-checkbox:checked + .page-disclaimer__ack-fakebox::after {
  content: "";
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--clr-primary);
  /* 简单勾选标记 */
}

.page-disclaimer__ack-checkbox:focus-visible + .page-disclaimer__ack-fakebox {
  outline: 3px solid var(--clr-gold);
  outline-offset: 2px;
}

/* 动画兼容 */
[data-check-anim] {
  transition: transform 0.2s ease;
}

[data-check-anim]:active {
  transform: scale(0.98);
}

/* data-reveal 滚动显现 */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-disclaimer__clause,
  .page-disclaimer__ack-label {
    transition: none;
  }

  [data-check-anim]:active {
    transform: none;
  }
}

/* 移动端优先 – 窄屏调整 */
@media (max-width: 640px) {
  .page-disclaimer__inner {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .page-disclaimer__banner {
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
  }

  .page-disclaimer__banner-icon {
    width: 48px;
    height: 48px;
  }

  .page-disclaimer__banner-text {
    text-align: center;
  }

  .breadcrumb {
    justify-content: center;
  }

  .page-disclaimer__title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .page-disclaimer__subtitle {
    font-size: 0.9375rem;
  }

  .page-disclaimer__clause {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .page-disclaimer__clause-num {
    font-size: 2rem;
    width: auto;
    text-align: left;
  }

  .page-disclaimer__clause-heading {
    font-size: 1.25rem;
  }

  .page-disclaimer__contact-list {
    font-size: 0.9375rem;
  }

  .page-disclaimer__ack-label {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .page-disclaimer__ack-fakebox {
    width: 2rem;
    height: 2rem;
  }

  .page-disclaimer__ack-checkbox:checked + .page-disclaimer__ack-fakebox::after {
    width: 0.75rem;
    height: 0.75rem;
  }
}

/* 桌面宽度适配 */
@media (min-width: 768px) {
  .page-disclaimer__inner {
    padding-top: var(--space-2xl);
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }

  .page-disclaimer__banner {
    margin-bottom: var(--space-2xl);
  }

  .page-disclaimer__clauses {
    gap: var(--space-2xl);
  }

  .page-disclaimer__clause {
    padding: var(--space-xl);
  }

  .page-disclaimer__clause-num {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__inner {
    max-width: 960px;
  }
}