/* ===== 页面专属：使用声明 ===== */
.page-disclaimer {
  --disclaimer-hero-bg: var(--clr-bg-dark);
  --disclaimer-card-bg: rgba(29, 53, 87, 0.55);
  --disclaimer-card-border: rgba(168, 218, 220, 0.18);
  --disclaimer-accent: var(--clr-primary-red);
  --disclaimer-accent-alt: var(--clr-primary-orange);
  --disclaimer-text-light: #f0f4f8;
  --disclaimer-text-muted: rgba(240, 244, 248, 0.7);
  --disclaimer-grid-color: rgba(168, 218, 220, 0.08);

  display: block;
  width: 100%;
  background: var(--disclaimer-hero-bg);
  color: var(--disclaimer-text-light);
  font-family: var(--font-body);
  line-height: var(--line-height);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  background: var(--disclaimer-hero-bg);
  background-image:
    linear-gradient(var(--disclaimer-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--disclaimer-grid-color) 1px, transparent 1px);
  background-size: 32px 32px;
  padding: var(--space-lg) 0 var(--space-xl);
  overflow: hidden;
}

.page-disclaimer .disclaimer-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, transparent 30%, rgba(230, 57, 70, 0.08) 100%);
  pointer-events: none;
}

.page-disclaimer .hero-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  width: 100%;
  font-size: 0.85rem;
  color: var(--disclaimer-text-muted);
  margin-bottom: var(--space-sm);
}

.page-disclaimer .breadcrumb a {
  color: var(--disclaimer-accent-alt);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--disclaimer-accent);
  text-decoration: underline;
}

.page-disclaimer .breadcrumb .separator {
  margin: 0 var(--space-xs);
  color: var(--disclaimer-text-muted);
}

.page-disclaimer .hero-text {
  flex: 1 1 280px;
  min-width: 0;
}

.page-disclaimer .section-label {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--disclaimer-accent);
  border: 1px solid var(--disclaimer-accent);
  padding: 0.15em 0.7em;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.page-disclaimer .hero-title {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: 2.4rem;
  line-height: 1.15;
  color: var(--disclaimer-text-light);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

@media (min-width: 640px) {
  .page-disclaimer .hero-title {
    font-size: var(--heading-size-large);
  }
}

.page-disclaimer .hero-desc {
  font-size: 1.05rem;
  color: var(--disclaimer-text-muted);
  max-width: 480px;
  margin: 0;
}

.page-disclaimer .hero-visual {
  flex: 0 0 auto;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.page-disclaimer .hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 400px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ---------- 正文区 ---------- */
.page-disclaimer .disclaimer-body {
  background: var(--disclaimer-hero-bg);
  padding: var(--space-xl) 0 var(--space-2xl);
  background-image:
    linear-gradient(var(--disclaimer-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--disclaimer-grid-color) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 -16px;
}

.page-disclaimer .content-container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- 板块标题 ---------- */
.page-disclaimer .terms-section {
  margin-bottom: var(--space-2xl);
}

.page-disclaimer .section-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--disclaimer-card-border);
}

.page-disclaimer .section-number {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--disclaimer-accent);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.page-disclaimer .section-heading {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: 1.6rem;
  color: var(--disclaimer-text-light);
  margin: 0 0 var(--space-xs);
}

@media (min-width: 640px) {
  .page-disclaimer .section-heading {
    font-size: var(--heading-size-small);
  }
}

.page-disclaimer .section-sub {
  font-size: 0.95rem;
  color: var(--disclaimer-text-muted);
  margin: 0;
}

/* ---------- 分割装饰 ---------- */
.page-disclaimer .section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
  color: var(--disclaimer-text-muted);
}

.page-disclaimer .divider-line {
  flex: 1;
  height: 1px;
  background: var(--disclaimer-card-border);
}

.page-disclaimer .divider-diamond {
  font-size: 0.6rem;
  color: var(--disclaimer-accent);
  opacity: 0.5;
}

/* ---------- 卡片网格 ---------- */
.page-disclaimer .cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .page-disclaimer .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 单个卡片（可展开） ---------- */
.page-disclaimer .term-card {
  background: var(--disclaimer-card-bg);
  border: 1px solid var(--disclaimer-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  backdrop-filter: blur(2px);
}

.page-disclaimer .term-card:hover,
.page-disclaimer .term-card:focus-within {
  border-color: rgba(230, 57, 70, 0.4);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.12);
}

.page-disclaimer .term-card[open] {
  border-color: rgba(230, 57, 70, 0.5);
  box-shadow: 0 6px 28px rgba(230, 57, 70, 0.15);
}

.page-disclaimer .term-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  cursor: pointer;
  list-style: none;
  -webkit-user-select: none;
  user-select: none;
  transition: background var(--transition-fast);
}

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

.page-disclaimer .term-card__header:hover {
  background: rgba(230, 57, 70, 0.04);
}

.page-disclaimer .term-card__index {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-family: var(--font-number);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--disclaimer-accent);
  background: rgba(230, 57, 70, 0.1);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.page-disclaimer .term-card[open] .term-card__index {
  background: var(--disclaimer-accent);
  color: #fff;
}

.page-disclaimer .term-card__title {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--disclaimer-text-light);
  letter-spacing: 0.01em;
}

.page-disclaimer .term-card__icon {
  flex-shrink: 0;
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--disclaimer-text-muted);
  transition: transform var(--transition-base), color var(--transition-fast);
  line-height: 1;
}

.page-disclaimer .term-card[open] .term-card__icon {
  transform: rotate(45deg);
  color: var(--disclaimer-accent);
}

.page-disclaimer .term-card__body {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--disclaimer-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  border-top: 1px solid transparent;
  animation: disclaimer-fade-in 0.3s ease;
}

.page-disclaimer .term-card[open] .term-card__body {
  border-top-color: var(--disclaimer-card-border);
}

@keyframes disclaimer-fade-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-disclaimer .term-card__body p {
  margin: 0 0 var(--space-sm);
}

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

/* ---------- 底部注释 ---------- */
.page-disclaimer .disclaimer-footer-note {
  margin-top: var(--space-2xl);
  padding: var(--space-lg) 0 0;
  border-top: 1px solid var(--disclaimer-card-border);
  font-size: 0.92rem;
  color: var(--disclaimer-text-muted);
  text-align: center;
}

.page-disclaimer .disclaimer-footer-note p {
  margin: 0 auto;
  max-width: 620px;
}

.page-disclaimer .note-link {
  color: var(--disclaimer-accent-alt);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.page-disclaimer .note-link:hover,
.page-disclaimer .note-link:focus-visible {
  color: var(--disclaimer-accent);
}

/* ---------- 响应式微调 ---------- */
@media (max-width: 639px) {
  .page-disclaimer .hero-layout {
    flex-direction: column;
    align-items: stretch;
  }

  .page-disclaimer .hero-text {
    order: 1;
  }

  .page-disclaimer .hero-visual {
    order: 0;
    max-width: 280px;
    margin: 0 auto;
  }

  .page-disclaimer .hero-title {
    font-size: 1.8rem;
  }

  .page-disclaimer .hero-desc {
    font-size: 0.95rem;
  }

  .page-disclaimer .section-heading {
    font-size: 1.3rem;
  }

  .page-disclaimer .term-card__header {
    padding: var(--space-sm) var(--space-md);
  }

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

  .page-disclaimer .term-card__body {
    font-size: 0.87rem;
  }

  .page-disclaimer .disclaimer-footer-note {
    font-size: 0.85rem;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .hero-layout {
    flex-wrap: nowrap;
    gap: var(--space-xl);
  }

  .page-disclaimer .hero-visual {
    flex: 0 0 380px;
  }

  .page-disclaimer .disclaimer-body {
    padding: var(--space-2xl) 0 var(--space-3xl, 5rem);
  }
}

/* ---------- 打印与可访问性 ---------- */
@media print {
  .page-disclaimer {
    background: #fff;
    color: #141414;
  }

  .page-disclaimer .disclaimer-hero {
    background: #fff;
    padding: var(--space-md) 0;
  }

  .page-disclaimer .term-card {
    break-inside: avoid;
    background: #f9f9f9;
    border-color: #ccc;
  }

  .page-disclaimer .term-card__body {
    display: block !important;
    opacity: 1 !important;
    animation: none !important;
  }

  .page-disclaimer .hero-img {
    display: none;
  }
}

.page-disclaimer .term-card:focus-visible {
  outline: 2px solid var(--disclaimer-accent);
  outline-offset: 2px;
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--disclaimer-accent-alt);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-disclaimer {
  --space-3xl: var(--space-xl);
}