/* ===== 页面专属：.page-disclaimer ===== */
.page-disclaimer {
  --pd-primary: #4CAF50;
  --pd-primary-dark: #388E3C;
  --pd-primary-light: #81C784;
  --pd-secondary: #FF9800;
  --pd-accent: #00BCD4;
  --pd-neutral-light: #F5F5F5;
  --pd-neutral-dark: #212121;
  --pd-neutral-mid: #757575;
  --pd-white: #FFFFFF;
  --pd-border: #E0E0E0;
  --pd-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --pd-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --pd-font-sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Roboto', sans-serif;
  --pd-max-width: 1200px;
  display: block;
  width: 100%;
  background: var(--pd-white);
  color: var(--pd-neutral-dark);
  font-family: var(--pd-font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 框景首屏 ---------- */
.disclaimer-hero {
  position: relative;
  width: 100%;
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: 40px 20px 20px;
}

.disclaimer-hero__frame {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--pd-border);
  box-shadow: var(--pd-shadow-sm);
}

.disclaimer-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center 30%;
}

/* 刻度线 — 框景四边 */
.disclaimer-hero__scale-top,
.disclaimer-hero__scale-bottom,
.disclaimer-hero__scale-left,
.disclaimer-hero__scale-right {
  position: absolute;
  background: var(--pd-primary);
  opacity: 0.5;
  pointer-events: none;
}

.disclaimer-hero__scale-top {
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--pd-primary) 0px, var(--pd-primary) 6px, transparent 6px, transparent 14px);
}

.disclaimer-hero__scale-bottom {
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--pd-primary) 0px, var(--pd-primary) 6px, transparent 6px, transparent 14px);
}

.disclaimer-hero__scale-left {
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: repeating-linear-gradient(180deg, var(--pd-primary) 0px, var(--pd-primary) 6px, transparent 6px, transparent 14px);
}

.disclaimer-hero__scale-right {
  top: 0;
  bottom: 0;
  right: 0;
  width: 3px;
  background: repeating-linear-gradient(180deg, var(--pd-primary) 0px, var(--pd-primary) 6px, transparent 6px, transparent 14px);
}

/* 徽标 */
.disclaimer-hero__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 4px 16px 4px 12px;
  background: var(--pd-primary);
  color: var(--pd-white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 0 20px 20px 0;
}

.disclaimer-hero__badge-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--pd-white);
  border-radius: 50%;
  animation: pd-pulse 2s ease-in-out infinite;
}

@keyframes pd-pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.disclaimer-hero__badge-text {
  display: inline-block;
}

/* ---------- 面包屑 ---------- */
.disclaimer-breadcrumb {
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: 8px 20px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--pd-neutral-mid);
  border-bottom: 1px solid var(--pd-border);
}

.disclaimer-breadcrumb__link {
  color: var(--pd-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.disclaimer-breadcrumb__link:hover {
  color: var(--pd-primary-dark);
  text-decoration: underline;
}

.disclaimer-breadcrumb__sep {
  color: var(--pd-border);
  font-weight: 300;
}

.disclaimer-breadcrumb__current {
  font-weight: 600;
  color: var(--pd-neutral-dark);
}

/* ---------- 主体布局：桌面双栏 ---------- */
.disclaimer-body {
  display: flex;
  flex-direction: column;
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: 32px 20px 60px;
  gap: 40px;
}

/* ---------- 侧边目录 ---------- */
.disclaimer-toc {
  order: 0;
  width: 100%;
}

.disclaimer-toc__inner {
  position: relative;
  padding: 20px 24px;
  background: var(--pd-neutral-light);
  border: 1px solid var(--pd-border);
  border-left: 4px solid var(--pd-primary);
}

.disclaimer-toc__heading {
  font-family: 'Montserrat', var(--pd-font-sans);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pd-neutral-mid);
  margin: 0 0 16px;
}

.disclaimer-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.disclaimer-toc__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--pd-neutral-dark);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.disclaimer-toc__link:hover {
  color: var(--pd-primary);
  border-bottom-color: var(--pd-primary-light);
}

.disclaimer-toc__link:focus-visible {
  outline: 2px solid var(--pd-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.disclaimer-toc__line {
  display: none;
  width: 40px;
  height: 3px;
  background: var(--pd-secondary);
  margin-top: 16px;
}

/* ---------- 正文内容 ---------- */
.disclaimer-content {
  order: 1;
  width: 100%;
}

.disclaimer-content__title {
  font-family: 'Montserrat', var(--pd-font-sans);
  font-weight: 700;
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--pd-neutral-dark);
  letter-spacing: -0.01em;
}

.disclaimer-content__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--pd-neutral-mid);
  margin: 0 0 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--pd-border);
}

/* ---------- 章节 ---------- */
.disclaimer-chapter {
  margin-bottom: 48px;
  scroll-margin-top: 24px;
}

.disclaimer-chapter__header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.disclaimer-chapter__num {
  font-family: 'Montserrat', var(--pd-font-sans);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  color: var(--pd-primary);
  opacity: 0.6;
  flex-shrink: 0;
  min-width: 48px;
}

.disclaimer-chapter__title {
  font-family: 'Montserrat', var(--pd-font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  margin: 0;
  color: var(--pd-neutral-dark);
}

.disclaimer-chapter__body {
  padding-left: 0;
}

.disclaimer-chapter__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--pd-neutral-dark);
}

.disclaimer-chapter__body p:last-child {
  margin-bottom: 0;
}

.disclaimer-link {
  color: var(--pd-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.disclaimer-link:hover {
  color: var(--pd-primary-dark);
  border-bottom-color: var(--pd-primary-light);
}

.disclaimer-link:focus-visible {
  outline: 2px solid var(--pd-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 联系列表 */
.disclaimer-contact-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.disclaimer-contact-list__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  background: var(--pd-neutral-light);
  border-left: 3px solid var(--pd-secondary);
}

.disclaimer-contact-list__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--pd-neutral-mid);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.disclaimer-contact-list__value {
  font-size: 16px;
  font-weight: 500;
  color: var(--pd-neutral-dark);
}

.disclaimer-chapter__footnote {
  font-size: 15px;
  color: var(--pd-neutral-mid);
  margin-top: 8px;
}

/* ---------- 页面底部元信息 ---------- */
.disclaimer-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid var(--pd-border);
  font-size: 13px;
  color: var(--pd-neutral-mid);
}

.disclaimer-meta__item {
  font-weight: 400;
}

.disclaimer-meta__sep {
  color: var(--pd-border);
  font-weight: 300;
}

/* ---------- 返回顶部（共享类增强） ---------- */
.page-disclaimer .back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--pd-primary);
  background: var(--pd-white);
  color: var(--pd-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--pd-shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.2s, color 0.2s;
}

.page-disclaimer .back-to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .back-to-top:hover {
  background: var(--pd-primary);
  color: var(--pd-white);
}

.page-disclaimer .back-to-top:focus-visible {
  outline: 3px solid var(--pd-secondary);
  outline-offset: 3px;
}

.back-to-top__icon {
  width: 22px;
  height: 22px;
}

/* ---------- 桌面端 (≥768px) ---------- */
@media (min-width: 768px) {
  .disclaimer-hero {
    padding: 48px 32px 24px;
  }

  .disclaimer-hero__badge {
    font-size: 14px;
    padding: 6px 20px 6px 14px;
  }

  .disclaimer-breadcrumb {
    padding: 10px 32px 14px;
    font-size: 15px;
  }

  .disclaimer-body {
    flex-direction: row;
    padding: 40px 32px 80px;
    gap: 48px;
  }

  /* 目录侧栏固定在左侧 */
  .disclaimer-toc {
    order: 0;
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
  }

  .disclaimer-toc__inner {
    padding: 24px 20px;
  }

  .disclaimer-toc__list {
    flex-direction: column;
    gap: 4px;
  }

  .disclaimer-toc__link {
    font-size: 14px;
    width: 100%;
    padding: 6px 0;
  }

  .disclaimer-toc__line {
    display: block;
  }

  /* 正文占剩余宽度 */
  .disclaimer-content {
    order: 1;
    flex: 1;
    min-width: 0;
  }

  .disclaimer-content__title {
    font-size: 36px;
  }

  .disclaimer-chapter__num {
    font-size: 32px;
    min-width: 56px;
  }

  .disclaimer-chapter__title {
    font-size: 26px;
  }

  .disclaimer-chapter__body {
    padding-left: 68px;
  }

  .disclaimer-contact-list__item {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }

  .disclaimer-contact-list__label {
    min-width: 100px;
    font-size: 14px;
  }

  .page-disclaimer .back-to-top {
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
  }
}

/* ---------- 大桌面端 (≥1024px) ---------- */
@media (min-width: 1024px) {
  .disclaimer-hero {
    padding: 56px 40px 24px;
  }

  .disclaimer-breadcrumb {
    padding: 12px 40px 16px;
  }

  .disclaimer-body {
    padding: 48px 40px 100px;
    gap: 64px;
  }

  .disclaimer-toc {
    width: 240px;
  }

  .disclaimer-content__title {
    font-size: 40px;
  }

  .disclaimer-chapter__num {
    font-size: 36px;
    min-width: 64px;
  }

  .disclaimer-chapter__title {
    font-size: 28px;
  }

  .disclaimer-chapter__body {
    padding-left: 76px;
  }

  .disclaimer-meta {
    font-size: 14px;
  }
}

/* ---------- 极端窄屏保护 ---------- */
@media (max-width: 400px) {
  .disclaimer-hero {
    padding: 24px 12px 12px;
  }

  .disclaimer-hero__badge {
    font-size: 11px;
    padding: 3px 12px 3px 8px;
  }

  .disclaimer-breadcrumb {
    padding: 6px 12px 10px;
    font-size: 12px;
    flex-wrap: wrap;
  }

  .disclaimer-body {
    padding: 20px 12px 40px;
    gap: 24px;
  }

  .disclaimer-content__title {
    font-size: 24px;
  }

  .disclaimer-chapter {
    margin-bottom: 32px;
  }

  .disclaimer-chapter__num {
    font-size: 22px;
    min-width: 36px;
  }

  .disclaimer-chapter__title {
    font-size: 18px;
  }

  .disclaimer-chapter__body p {
    font-size: 14px;
  }

  .disclaimer-contact-list__item {
    padding: 10px 12px;
  }

  .disclaimer-contact-list__value {
    font-size: 14px;
  }

  .page-disclaimer .back-to-top {
    bottom: 60px;
    right: 12px;
    width: 40px;
    height: 40px;
  }
}