/* ===== page-disclaimer 专属样式 ===== */
.page-disclaimer {
  --disclaimer-aside-width: 300px;
  --disclaimer-content-max: 800px;
  --disclaimer-gap: 48px;
  --disclaimer-section-gap: 40px;

  display: block;
  background-color: var(--primary-bg, #0a0a1a);
  color: var(--text-white, #ffffff);
  font-family: var(--font-body, 'Noto Sans SC', 'PingFang SC', sans-serif);
  line-height: 1.7;
  min-height: 80vh;
}

/* ---------- 布局容器 ---------- */
.disclaimer__layout {
  display: flex;
  flex-direction: column;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 24px 16px 48px;
  gap: 0;
}

/* ---------- 左栏（目录侧边栏） ---------- */
.disclaimer__aside {
  background-color: var(--secondary-bg, #1a1a2e);
  border: 1px solid var(--border-light, #2b2d42);
  border-radius: var(--radius-card, 4px);
  padding: 24px 20px;
  margin-bottom: 24px;
  order: 0;
  flex-shrink: 0;
}

.aside__brand {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.aside__brand-name {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-white, #ffffff);
  letter-spacing: 0.04em;
}

.aside__brand-sub {
  font-size: 13px;
  color: var(--text-gray, #8d99ae);
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.aside__divider {
  height: 1px;
  background: linear-gradient(90deg, var(--accent-red, #e63946), var(--border-light, #2b2d42) 60%);
  margin-bottom: 20px;
}

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

.aside__nav-item {
  flex: 0 0 auto;
}

.aside__nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background-color: transparent;
  border: 1px solid var(--border-light, #2b2d42);
  border-radius: var(--radius-pill, 999px);
  color: var(--text-gray, #8d99ae);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--transition-fast, 0.2s ease), border-color var(--transition-fast, 0.2s ease), color var(--transition-fast, 0.2s ease);
}

.aside__nav-link:hover,
.aside__nav-link:focus-visible {
  background-color: rgba(230, 57, 70, 0.12);
  border-color: var(--accent-red, #e63946);
  color: var(--text-white, #ffffff);
  outline: none;
}

.aside__nav-link:focus-visible {
  outline: 2px solid var(--accent-yellow, #f9c74f);
  outline-offset: 2px;
}

.aside__nav-num {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 13px;
  color: var(--accent-red, #e63946);
  line-height: 1;
}

.aside__nav-label {
  font-size: 14px;
}

.aside__accent {
  display: none;
  margin-top: 24px;
  flex-direction: column;
  gap: 6px;
}

.aside__accent-bar {
  display: block;
  height: 3px;
  border-radius: 2px;
}

.aside__accent-bar--red {
  width: 60%;
  background-color: var(--accent-red, #e63946);
}

.aside__accent-bar--yellow {
  width: 40%;
  background-color: var(--accent-yellow, #f9c74f);
}

/* ---------- 右栏（主内容区） ---------- */
.disclaimer__main {
  flex: 1;
  min-width: 0;
  order: 1;
}

/* 面包屑 */
.disclaimer__main .breadcrumb {
  margin-bottom: 24px;
  padding: 0;
  background: none;
}

.disclaimer__main .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.disclaimer__main .breadcrumb__item {
  font-size: 13px;
  color: var(--text-gray, #8d99ae);
}

.disclaimer__main .breadcrumb__link {
  color: var(--text-gray, #8d99ae);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.disclaimer__main .breadcrumb__link:hover,
.disclaimer__main .breadcrumb__link:focus-visible {
  color: var(--accent-red, #e63946);
}

.disclaimer__main .breadcrumb__item--current {
  color: var(--text-white, #ffffff);
  font-weight: 500;
}

.disclaimer__main .breadcrumb__sep {
  color: var(--text-gray, #8d99ae);
  font-size: 12px;
  user-select: none;
}

/* 标题区 */
.disclaimer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 2px solid var(--border-light, #2b2d42);
  position: relative;
}

.disclaimer__header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background-color: var(--accent-red, #e63946);
}

.disclaimer__header-text {
  flex: 1;
}

.disclaimer__title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.2;
  color: var(--text-white, #ffffff);
  letter-spacing: -0.02em;
  margin: 0 0 10px 0;
}

.disclaimer__subtitle {
  font-size: 15px;
  color: var(--text-gray, #8d99ae);
  margin: 0;
  line-height: 1.6;
}

.disclaimer__header-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border: 1px solid var(--border-light, #2b2d42);
  border-radius: var(--radius-card, 4px);
  overflow: hidden;
  background-color: var(--secondary-bg, #1a1a2e);
  display: flex;
  align-items: center;
  justify-content: center;
}

.disclaimer__icon-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 章节 ---------- */
.disclaimer__section {
  position: relative;
  padding: 0 0 var(--disclaimer-section-gap, 40px);
  margin-bottom: var(--disclaimer-section-gap, 40px);
  border-bottom: 1px solid var(--border-light, #2b2d42);
}

.disclaimer__section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.disclaimer__section--contact {
  background-color: var(--secondary-bg, #1a1a2e);
  border: 1px solid var(--border-light, #2b2d42);
  border-radius: var(--radius-card, 4px);
  padding: 28px 24px;
  margin-top: 8px;
}

.disclaimer__section-number {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 36px;
  line-height: 1;
  color: var(--accent-red, #e63946);
  letter-spacing: -0.04em;
  margin-bottom: 4px;
  opacity: 0.8;
}

.disclaimer__section-title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--text-white, #ffffff);
  letter-spacing: -0.01em;
  margin: 0 0 14px 0;
}

.disclaimer__section-body {
  font-size: 15px;
  color: var(--text-gray, #8d99ae);
  line-height: 1.8;
}

.disclaimer__section-body p {
  margin: 0 0 14px 0;
}

.disclaimer__section-body p:last-child {
  margin-bottom: 0;
}

/* 联系方式卡片 */
.disclaimer__contact-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 14px;
  padding: 20px;
  background-color: rgba(10, 10, 26, 0.5);
  border: 1px solid var(--border-light, #2b2d42);
  border-radius: var(--radius-card, 4px);
}

.contact-card__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-card__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-red, #e63946);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-card__value {
  font-size: 15px;
  color: var(--text-white, #ffffff);
  word-break: break-all;
}

.contact-card__value a {
  color: var(--text-white, #ffffff);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast, 0.2s ease);
}

.contact-card__value a:hover,
.contact-card__value a:focus-visible {
  border-bottom-color: var(--accent-yellow, #f9c74f);
}

.disclaimer__contact-note {
  font-size: 13px;
  color: var(--text-gray, #8d99ae);
  font-style: italic;
}

/* 相关链接 */
.disclaimer__related {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light, #2b2d42);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.disclaimer__related-label {
  color: var(--text-gray, #8d99ae);
  font-weight: 500;
}

.disclaimer__related-link {
  color: var(--accent-red, #e63946);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast, 0.2s ease);
}

.disclaimer__related-link:hover,
.disclaimer__related-link:focus-visible {
  color: var(--accent-yellow, #f9c74f);
  text-decoration: underline;
}

.disclaimer__related-sep {
  color: var(--border-light, #2b2d42);
  font-size: 12px;
  user-select: none;
}

/* ---------- 滚动显现 ---------- */
.disclaimer__section[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--transition-reveal, 0.5s cubic-bezier(0.23, 1, 0.32, 1)), transform var(--transition-reveal, 0.5s cubic-bezier(0.23, 1, 0.32, 1));
}

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

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

/* ===== 响应式：桌面端 (min-width: 768px) ===== */
@media (min-width: 768px) {
  .disclaimer__layout {
    flex-direction: row;
    padding: 32px 24px 64px;
    gap: var(--disclaimer-gap, 48px);
    align-items: flex-start;
  }

  .disclaimer__aside {
    position: sticky;
    top: calc(var(--nav-height, 56px) + 24px);
    width: var(--disclaimer-aside-width, 300px);
    min-width: var(--disclaimer-aside-width, 300px);
    margin-bottom: 0;
    order: 0;
    padding: 28px 24px;
    align-self: flex-start;
    max-height: calc(100vh - var(--nav-height, 56px) - 48px);
    overflow-y: auto;
  }

  .aside__nav-list {
    flex-direction: column;
    gap: 6px;
  }

  .aside__nav-item {
    flex: none;
  }

  .aside__nav-link {
    width: 100%;
    border-radius: var(--radius-card, 4px);
    padding: 10px 16px;
    border: 1px solid transparent;
  }

  .aside__nav-link:hover {
    border-color: var(--accent-red, #e63946);
  }

  .aside__accent {
    display: flex;
  }

  .disclaimer__header {
    margin-bottom: 48px;
    padding-bottom: 32px;
  }

  .disclaimer__title {
    font-size: 36px;
  }

  .disclaimer__subtitle {
    font-size: 16px;
  }

  .disclaimer__header-icon {
    width: 80px;
    height: 80px;
  }

  .disclaimer__main {
    max-width: var(--disclaimer-content-max, 800px);
  }

  .disclaimer__section-number {
    font-size: 48px;
  }

  .disclaimer__section-title {
    font-size: 24px;
  }

  .disclaimer__section-body {
    font-size: 16px;
  }

  .disclaimer__contact-card {
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
  }

  .disclaimer__section--contact {
    padding: 36px 32px;
  }
}

/* ===== 大桌面端 (min-width: 1024px) ===== */
@media (min-width: 1024px) {
  .disclaimer__layout {
    padding-left: 32px;
    padding-right: 32px;
  }

  .disclaimer__aside {
    padding: 32px 28px;
  }

  .aside__brand-name {
    font-size: 22px;
  }

  .disclaimer__title {
    font-size: 40px;
  }

  .disclaimer__section-number {
    font-size: 56px;
  }
}