.page-disclaimer {
  /* 页面专属装饰变量 */
  --disclaimer-pad-x: 24px;
}

/* ====== 页头补充装饰 ====== */
.page-disclaimer .page-hero {
  position: relative;
  overflow: hidden;
}

.page-disclaimer .page-hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 56px, rgba(0, 229, 255, 0.12) 58px 60px, transparent 62px),
    radial-gradient(circle, transparent 0 120px, rgba(122, 77, 255, 0.10) 122px 124px, transparent 126px),
    radial-gradient(circle, transparent 0 190px, rgba(255, 107, 0, 0.06) 192px 194px, transparent 196px);
  pointer-events: none;
}

/* ====== 主内容区：灰白底 + 极简网格纹理 ====== */
.page-disclaimer__main {
  padding: 48px 0 80px;
  background-color: var(--ns-off-white);
  background-image:
    linear-gradient(rgba(10, 27, 61, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 27, 61, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ====== 非对称双栏布局 ====== */
.page-disclaimer .disclaimer-layout {
  display: grid;
  gap: 40px;
}

/* ====== 侧边栏：条款目录 ====== */
.page-disclaimer .disclaimer-toc {
  background: var(--ns-white);
  border: 1px solid var(--ns-border);
  border-radius: 4px 24px 4px 4px;
  padding: 24px;
  box-shadow: var(--ns-shadow-sm);
}

.page-disclaimer .disclaimer-toc__title {
  font-family: var(--ns-font-data);
  font-size: 13px;
  color: var(--ns-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ns-border);
}

.page-disclaimer .disclaimer-toc__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--ns-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--ns-border);
  transition: color var(--ns-ease), padding-left var(--ns-ease);
}

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

.page-disclaimer .disclaimer-toc__link:hover,
.page-disclaimer .disclaimer-toc__link:focus-visible {
  color: var(--ns-orange);
  padding-left: 6px;
}

.page-disclaimer .disclaimer-toc__num {
  font-family: var(--ns-font-data);
  font-weight: 700;
  color: var(--ns-orange);
  font-size: 14px;
  min-width: 26px;
}

.page-disclaimer .disclaimer-toc__text {
  font-size: 15px;
  font-weight: 500;
}

/* ====== 侧边栏：抽象视觉图 ====== */
.page-disclaimer .disclaimer-visual {
  margin-top: 20px;
}

.page-disclaimer .disclaimer-visual__frame {
  border-radius: 4px 28px 4px 4px;
  overflow: hidden;
  border: 1px solid var(--ns-border);
  background: var(--ns-deep-blue);
  box-shadow: var(--ns-shadow-md);
}

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

.page-disclaimer .disclaimer-visual__caption {
  margin-top: 10px;
  font-family: var(--ns-font-data);
  font-size: 12px;
  color: var(--ns-gray);
  text-align: right;
  letter-spacing: 0.06em;
}

/* ====== 条款卡片容器 ====== */
.page-disclaimer .disclaimer-terms {
  background: var(--ns-white);
  border: 1px solid var(--ns-border);
  border-radius: 8px 32px 8px 8px;
  padding: 8px var(--disclaimer-pad-x) 0;
  box-shadow: var(--ns-shadow-sm);
}

/* ====== 单一条款 ====== */
.page-disclaimer .disclaimer-term {
  border-bottom: 1px solid var(--ns-border);
  transition: background-color var(--ns-ease);
}

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

.page-disclaimer .disclaimer-term__summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-disclaimer .disclaimer-term__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disclaimer-term__summary:focus-visible {
  outline: 2px solid var(--ns-orange);
  outline-offset: 2px;
  border-radius: 8px;
}

/* 大号粗体编号：作为条款锚点视觉核心 */
.page-disclaimer .disclaimer-term__index {
  font-family: var(--ns-font-heading);
  font-size: 30px;
  line-height: 1;
  color: var(--ns-orange);
  min-width: 44px;
  transform: translateY(2px);
}

.page-disclaimer .disclaimer-term__title {
  font-family: var(--ns-font-heading);
  font-size: 22px;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--ns-ink);
}

/* 折叠状态提示：加号 / 减号 */
.page-disclaimer .disclaimer-term__summary::after {
  content: '＋';
  margin-left: auto;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ns-border);
  border-radius: 50%;
  font-family: var(--ns-font-data);
  font-size: 13px;
  line-height: 1;
  color: var(--ns-orange);
  transition: transform var(--ns-ease), background-color var(--ns-ease);
}

.page-disclaimer .disclaimer-term[open] .disclaimer-term__summary::after {
  content: '－';
  background: rgba(255, 107, 0, 0.08);
  border-color: var(--ns-orange);
}

/* 条款正文 */
.page-disclaimer .disclaimer-term__content {
  padding: 0 0 28px 48px;
  max-width: 780px;
}

.page-disclaimer .disclaimer-term__content p {
  margin: 0 0 14px;
  color: var(--ns-gray);
  line-height: 1.75;
  font-size: 15px;
}

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

.page-disclaimer .disclaimer-term__note {
  font-size: 14px;
  color: var(--ns-gray);
  background: var(--ns-off-white);
  border-left: 3px solid var(--ns-electric);
  padding: 12px 16px;
}

/* 条款内文字链接 */
.page-disclaimer .disclaimer-term__link {
  color: var(--ns-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ns-ease);
}

.page-disclaimer .disclaimer-term__link:hover,
.page-disclaimer .disclaimer-term__link:focus-visible {
  color: var(--ns-deep-blue);
}

/* ====== 底部联系与版本区 ====== */
.page-disclaimer .disclaimer-closing {
  margin-top: 40px;
  display: grid;
  gap: 28px;
}

.page-disclaimer .disclaimer-help {
  background: var(--ns-deep-blue);
  color: var(--ns-white);
  padding: 32px;
  border-radius: 8px 28px 8px 8px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--ns-shadow-md);
}

.page-disclaimer .disclaimer-help::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.18), transparent 65%);
  pointer-events: none;
}

.page-disclaimer .disclaimer-help__label {
  font-family: var(--ns-font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ns-electric);
  margin: 0 0 8px;
}

.page-disclaimer .disclaimer-help__title {
  font-family: var(--ns-font-heading);
  font-size: 26px;
  margin: 0 0 14px;
  color: var(--ns-white);
}

.page-disclaimer .disclaimer-help__text {
  max-width: 460px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0 0 22px;
  font-size: 15px;
}

.page-disclaimer .disclaimer-version {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--ns-font-data);
  font-size: 13px;
}

.page-disclaimer .disclaimer-version__item {
  background: var(--ns-white);
  border: 1px solid var(--ns-border);
  border-radius: 999px;
  padding: 6px 16px;
  color: var(--ns-gray);
}

/* ====== 桌面端 ====== */
@media (min-width: 992px) {
  .page-disclaimer__main {
    padding: 64px 0 100px;
  }

  .page-disclaimer .disclaimer-layout {
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .disclaimer-sidebar {
    position: sticky;
    top: calc(var(--ns-header-h) + 24px);
  }

  .page-disclaimer .disclaimer-terms {
    padding: 8px 40px 0;
  }

  .page-disclaimer .disclaimer-term__index {
    font-size: 38px;
    min-width: 54px;
  }

  .page-disclaimer .disclaimer-term__title {
    font-size: 24px;
  }

  .page-disclaimer .disclaimer-term__content {
    padding: 0 0 32px 80px;
  }

  .page-disclaimer .disclaimer-closing {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-disclaimer .disclaimer-help {
    padding: 40px;
  }

  .page-disclaimer .disclaimer-version {
    justify-content: flex-end;
    max-width: 320px;
  }
}