/* ===== 使用说明页面 / disclaimer ===== */
.page-disclaimer {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, var(--c-deep) 0%, var(--c-cloud) 520px);
  color: var(--c-obsidian);
  overflow: hidden;
}

/* 页面背景纹理 */
.page-disclaimer .disclaimer-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-disclaimer .disclaimer-bg__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.09;
}

.page-disclaimer .disclaimer-container {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-disclaimer .page-disclaimer__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .page-disclaimer__breadcrumb a {
  color: var(--c-white);
  text-decoration: none;
  font-size: 0.85rem;
  opacity: 0.78;
  transition: opacity 0.2s ease;
}

.page-disclaimer .page-disclaimer__breadcrumb a:hover,
.page-disclaimer .page-disclaimer__breadcrumb a:focus {
  opacity: 1;
}

.page-disclaimer .breadcrumb__item[aria-current="page"] {
  color: var(--c-neon);
}

/* 页头 */
.page-disclaimer .disclaimer-head {
  padding-top: 2.5rem;
}

.page-disclaimer .disclaimer-head__main {
  padding: 3rem 0 3.5rem;
  max-width: 820px;
}

.page-disclaimer .disclaimer-head__badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-disclaimer .disclaimer-head__cat {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.68);
}

.page-disclaimer .disclaimer-head__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--c-white);
  margin: 0 0 1rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.32);
}

.page-disclaimer .disclaimer-head__lead {
  color: rgba(255, 255, 255, 0.84);
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
}

/* 双栏布局 */
.page-disclaimer .disclaimer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 1rem 0 2.5rem;
}

/* 条款索引（左栏） */
.page-disclaimer .disclaimer-toc {
  background: var(--c-white);
  border: 1px solid rgba(10, 31, 60, 0.08);
  border-left: 3px solid var(--c-neon);
  padding: 1.25rem;
  box-shadow: 0 4px 14px rgba(10, 31, 60, 0.05);
}

.page-disclaimer .disclaimer-toc__label {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--c-iron);
  margin: 0 0 0.75rem;
}

.page-disclaimer .disclaimer-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disclaimer-toc__item + .disclaimer-toc__item {
  border-top: 1px solid rgba(10, 31, 60, 0.06);
}

.page-disclaimer .disclaimer-toc__item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.25rem;
  text-decoration: none;
  color: var(--c-deep);
  font-weight: 600;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-disclaimer .disclaimer-toc__item a:hover,
.page-disclaimer .disclaimer-toc__item a:focus-visible {
  color: var(--c-orange);
  padding-left: 0.4rem;
  outline: none;
}

.page-disclaimer .disclaimer-toc__num {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-orange);
  width: 2ch;
}

.page-disclaimer .disclaimer-toc__name {
  font-size: 0.92rem;
}

/* 条款文档（右栏） */
.page-disclaimer .disclaimer-docs {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-disclaimer .disclaimer-clause {
  background: var(--c-white);
  border: 1px solid rgba(10, 31, 60, 0.09);
  border-left: 4px solid var(--c-deep);
  padding: 1.5rem;
  box-shadow: 0 1px 0 rgba(10, 31, 60, 0.04);
  scroll-margin-top: 110px;
}

.page-disclaimer .disclaimer-clause__head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-disclaimer .disclaimer-clause__idx {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-neon);
  text-shadow: 0 1px 0 rgba(10, 31, 60, 0.15);
}

.page-disclaimer .disclaimer-clause__heading h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.35rem;
  color: var(--c-deep);
}

.page-disclaimer .disclaimer-clause__heading p {
  margin: 0.125rem 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--c-iron);
}

.page-disclaimer .disclaimer-clause__body {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-obsidian);
}

.page-disclaimer .disclaimer-clause__body p + p {
  margin-top: 0.75rem;
}

/* 警示块 */
.page-disclaimer .disclaimer-alert {
  display: flex;
  gap: 0.75rem;
  background: rgba(57, 255, 20, 0.07);
  border-left: 3px solid var(--c-neon);
  padding: 1rem 1.1rem;
  margin-top: 1rem;
}

.page-disclaimer .disclaimer-alert__icon {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1.5rem;
  text-align: center;
  background: var(--c-neon);
  color: var(--c-deep);
  border: 1px solid rgba(57, 255, 20, 0.7);
  border-radius: 50%;
}

.page-disclaimer .disclaimer-alert__title {
  font-weight: 700;
  color: var(--c-deep);
  margin-bottom: 0.25rem !important;
}

.page-disclaimer .disclaimer-alert p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

/* 使用行为列表 */
.page-disclaimer .disclaimer-list {
  margin: 1rem 0;
  padding-left: 1.25rem;
}

.page-disclaimer .disclaimer-list li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.page-disclaimer .disclaimer-list li::marker {
  color: var(--c-orange);
}

/* 联系卡片 */
.page-disclaimer .disclaimer-contact {
  display: grid;
  gap: 0.75rem;
  background: rgba(74, 144, 217, 0.08);
  border: 1px solid rgba(74, 144, 217, 0.22);
  padding: 1rem;
  margin: 1rem 0;
}

.page-disclaimer .disclaimer-contact__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-disclaimer .disclaimer-contact__label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--c-deep);
  background: var(--c-neon);
  padding: 0.2rem 0.45rem;
  white-space: nowrap;
}

.page-disclaimer .disclaimer-contact__value {
  margin: 0;
  font-weight: 600;
  color: var(--c-deep);
  overflow-wrap: anywhere;
}

/* 底部元信息 */
.page-disclaimer .disclaimer-meta {
  border-top: 1px solid rgba(10, 31, 60, 0.12);
  padding: 2rem 0 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
}

.page-disclaimer .disclaimer-meta__update {
  max-width: 620px;
  font-size: 0.85rem;
  color: var(--c-iron);
  line-height: 1.7;
}

.page-disclaimer .disclaimer-meta__label {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--c-deep);
  background: var(--c-neon);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.5rem;
}

.page-disclaimer .disclaimer-meta__icp {
  margin-top: 0.75rem;
  color: var(--c-deep);
  font-weight: 600;
}

.page-disclaimer .disclaimer-meta__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* 桌面端布局 */
@media (min-width: 860px) {
  .page-disclaimer .disclaimer-head {
    padding-top: 4rem;
  }

  .page-disclaimer .disclaimer-head__main {
    padding: 4.5rem 0;
  }

  .page-disclaimer .disclaimer-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2rem;
    padding: 2.25rem 0 3rem;
    align-items: start;
  }

  .page-disclaimer .disclaimer-toc {
    position: sticky;
    top: 110px;
    padding: 1.5rem 1.25rem;
    align-self: start;
  }

  .page-disclaimer .disclaimer-docs {
    gap: 1.5rem;
  }

  .page-disclaimer .disclaimer-clause {
    padding: 2rem;
  }

  .page-disclaimer .disclaimer-meta {
    padding: 2.5rem 0 4.5rem;
  }
}