/* ===== 页面专属：使用说明 (disclaimer) ===== */
.page-disclaimer {
  --pd-clr-accent: var(--clr-accent1, #D32F2F);
  --pd-clr-primary: var(--clr-primary, #1A3A5C);
  --pd-clr-primary-light: var(--clr-primary-light, #2C5F7A);
  --pd-clr-text: var(--clr-neutral2, #212121);
  --pd-clr-muted: #555;
  --pd-clr-bg: var(--clr-secondary, #FFFFFF);
  --pd-clr-card-bg: var(--clr-neutral1, #F5F5F5);
  --pd-max-width: 740px;
  --pd-icon-size: 48px;
  --pd-radius: 4px;
  --pd-transition: var(--transition-base, 300ms ease);

  position: relative;
  background-color: var(--pd-clr-bg);
  color: var(--pd-clr-text);
  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  line-height: var(--lh-body, 1.6);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* 斜线背景装饰 — 极淡纹理，增强法律文档的严谨氛围 */
.page-disclaimer::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 28px,
    rgba(26, 58, 92, 0.025) 28px,
    rgba(26, 58, 92, 0.025) 30px
  );
}

.page-disclaimer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: var(--spacing-lg, 2rem) var(--spacing-md, 1rem) var(--spacing-2xl, 5rem);
}

/* 面包屑 */
.page-disclaimer__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs, 0.25rem);
  margin-bottom: var(--spacing-lg, 2rem);
  font-size: var(--size-caption, 0.875rem);
  color: var(--pd-clr-muted);
}

.page-disclaimer__breadcrumb .breadcrumb__link {
  color: var(--pd-clr-primary);
  text-decoration: none;
  transition: color var(--pd-transition);
}

.page-disclaimer__breadcrumb .breadcrumb__link:hover,
.page-disclaimer__breadcrumb .breadcrumb__link:focus-visible {
  color: var(--pd-clr-accent);
  text-decoration: underline;
}

.page-disclaimer__breadcrumb .breadcrumb__sep {
  margin: 0 var(--spacing-xs, 0.25rem);
  color: var(--pd-clr-muted);
}

.page-disclaimer__breadcrumb .breadcrumb__current {
  color: var(--pd-clr-accent);
  font-weight: var(--fw-heading, 700);
}

/* 页面标题区 */
.page-disclaimer__header {
  margin-bottom: var(--spacing-xl, 3rem);
  padding-bottom: var(--spacing-lg, 2rem);
  border-bottom: 2px solid var(--pd-clr-accent);
}

.page-disclaimer__title {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-heading, 700);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: var(--ls-heading, 0.02em);
  color: var(--pd-clr-accent);
  margin: 0 0 var(--spacing-sm, 0.5rem);
  line-height: 1.2;
}

.page-disclaimer__lead {
  font-size: var(--size-body, 1rem);
  color: var(--pd-clr-muted);
  margin: 0;
  max-width: 95%;
}

/* 内容主体：窄列，严谨排版 */
.page-disclaimer__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl, 3rem);
}

/* 每个章节 */
.page-disclaimer__section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1rem);
  padding: var(--spacing-lg, 2rem) var(--spacing-md, 1rem);
  background-color: var(--pd-clr-card-bg);
  border-left: 4px solid var(--pd-clr-accent);
  border-radius: 0 var(--pd-radius) var(--pd-radius) 0;
  transition: box-shadow var(--pd-transition), transform var(--pd-transition);
  position: relative;
}

.page-disclaimer__section:hover {
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08));
  transform: translateX(2px);
}

/* 切角装饰 — 右上角小斜切 */
.page-disclaimer__section::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, transparent 50%, var(--pd-clr-bg) 50%);
  pointer-events: none;
}

.page-disclaimer__section-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--pd-icon-size);
  height: var(--pd-icon-size);
  background-color: var(--pd-clr-primary);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
  padding: 4px;
  box-sizing: content-box;
}

.page-disclaimer__icon-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1); /* 图标反白适应深色背景 */
}

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

.page-disclaimer__section-title {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-weight: var(--fw-heading, 700);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  letter-spacing: var(--ls-heading, 0.02em);
  color: var(--pd-clr-accent);
  margin: 0 0 var(--spacing-sm, 0.5rem);
  line-height: 1.3;
  position: relative;
  padding-left: calc(var(--spacing-md, 1rem) + 4px);
}

/* 标题前的编号装饰（通过伪元素显示段落编号） */
.page-disclaimer__section[data-section-number] .page-disclaimer__section-title::before {
  content: attr(data-section-number) ".";
  position: absolute;
  left: 0;
  color: var(--pd-clr-primary-light);
  font-weight: var(--fw-heading, 700);
  opacity: 0.6;
}

.page-disclaimer__section-body {
  font-size: var(--size-body, 1rem);
  color: var(--pd-clr-text);
  margin: 0;
  line-height: var(--lh-body, 1.6);
  letter-spacing: var(--ls-body, 0.01em);
}

/* 底部装饰线条 */
.page-disclaimer__decor-line {
  width: 100%;
  overflow: hidden;
  margin-top: var(--spacing-sm, 0.5rem);
  opacity: 0.7;
}

.page-disclaimer__decor-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 30px;
  object-fit: cover;
}

/* 相关链接 */
.page-disclaimer__related {
  padding-top: var(--spacing-md, 1rem);
  border-top: 1px solid var(--pd-clr-primary-light);
  text-align: center;
}

.page-disclaimer__related-text {
  font-size: var(--size-caption, 0.875rem);
  color: var(--pd-clr-muted);
  margin: 0;
}

.page-disclaimer__link {
  color: var(--pd-clr-primary);
  text-decoration: none;
  font-weight: var(--fw-heading, 700);
  transition: color var(--pd-transition);
}

.page-disclaimer__link:hover,
.page-disclaimer__link:focus-visible {
  color: var(--pd-clr-accent);
  text-decoration: underline;
}

.page-disclaimer__sep {
  color: var(--pd-clr-muted);
  margin: 0 var(--spacing-xs, 0.25rem);
}

/* ===== 移动端优先增强 (窄屏适配) ===== */
@media (max-width: 639px) {
  .page-disclaimer__inner {
    padding: var(--spacing-md, 1rem) var(--spacing-sm, 0.5rem) var(--spacing-xl, 3rem);
  }

  .page-disclaimer__header {
    margin-bottom: var(--spacing-lg, 2rem);
    padding-bottom: var(--spacing-md, 1rem);
  }

  .page-disclaimer__lead {
    max-width: 100%;
    font-size: 0.95rem;
  }

  .page-disclaimer__section {
    padding: var(--spacing-md, 1rem) var(--spacing-sm, 0.5rem);
    border-left-width: 3px;
    gap: var(--spacing-sm, 0.5rem);
  }

  .page-disclaimer__section-icon {
    width: 40px;
    height: 40px;
    padding: 3px;
  }

  .page-disclaimer__icon-img {
    width: 100%;
    height: auto;
  }

  .page-disclaimer__section-title {
    font-size: 1.1rem;
    padding-left: calc(var(--spacing-sm, 0.5rem) + 4px);
  }

  .page-disclaimer__section-body {
    font-size: 0.95rem;
  }

  .page-disclaimer__decor-img {
    max-height: 20px;
  }

  .page-disclaimer__related-text {
    font-size: 0.8rem;
  }
}

/* ===== 桌面端增强 ===== */
@media (min-width: 640px) {
  .page-disclaimer__inner {
    padding: var(--spacing-xl, 3rem) var(--spacing-lg, 2rem) var(--spacing-2xl, 5rem);
  }

  .page-disclaimer__section {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-lg, 2rem);
    padding: var(--spacing-lg, 2rem);
  }

  .page-disclaimer__section-icon {
    margin-top: 2px;
  }

  .page-disclaimer__section-title {
    font-size: 1.35rem;
  }

  .page-disclaimer__related {
    display: flex;
    justify-content: center;
  }
}

/* ===== 大桌面端 ===== */
@media (min-width: 1024px) {
  .page-disclaimer__inner {
    padding-top: var(--spacing-2xl, 5rem);
  }

  .page-disclaimer__section {
    padding: var(--spacing-xl, 3rem);
  }

  .page-disclaimer__section-body {
    font-size: 1.05rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-disclaimer::before {
    display: none;
  }

  .page-disclaimer__section {
    break-inside: avoid;
    border-left-color: #999;
    box-shadow: none;
  }

  .page-disclaimer__section::after {
    display: none;
  }

  .page-disclaimer__related {
    display: none;
  }
}