/* ===== 页面作用域：.page-disclaimer ===== */
.page-disclaimer {
  --local-accent: var(--color-beta);
  --local-line: var(--color-border);
  background-color: var(--color-night);
  color: var(--color-text);
  font-family: var(--font-body);
}

/* ===== 页首横幅 ===== */
.page-disclaimer .disclaimer-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 194, 209, 0.12), transparent 40%),
    linear-gradient(135deg, var(--color-night) 0%, var(--color-night-3) 60%, var(--color-night-2) 100%);
  border-bottom: 1px solid var(--local-line);
}

/* 动态斜线纹理 */
.page-disclaimer .disclaimer-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.02) 0px,
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px,
    transparent 12px
  );
  pointer-events: none;
}

.page-disclaimer .disp-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-top: 2rem;
}

.page-disclaimer .hero-copy {
  padding: 1rem 0 0.5rem;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}

.page-disclaimer .breadcrumb-item {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease-power);
}

.page-disclaimer .breadcrumb-item:hover {
  color: var(--color-beta);
}

.page-disclaimer .breadcrumb-item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

.page-disclaimer .breadcrumb-sep {
  color: var(--color-border);
}

.page-disclaimer .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(255, 107, 0, 0.4);
  border-radius: 999px;
  color: var(--color-beta);
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(255, 107, 0, 0.08);
  margin-bottom: 1rem;
}

.page-disclaimer .hero-badge svg {
  flex-shrink: 0;
}

.page-disclaimer h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.page-disclaimer .hero-intro {
  margin: 0;
  max-width: 56ch;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.page-disclaimer .hero-media {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--local-line);
  background-color: var(--color-night-2);
}

.page-disclaimer .hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 1;
}

/* ===== 目录卡片 ===== */
.page-disclaimer .toc-card {
  background: var(--color-night-2);
  border: 1px solid var(--local-line);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 2.5rem 0 1.5rem;
}

.page-disclaimer .toc-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-disclaimer .toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-disclaimer .toc-list li {
  counter-increment: toc-counter;
}

.page-disclaimer .toc-list a {
  display: block;
  padding: 0.35rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--local-line);
  transition: color 0.3s var(--ease-power), padding-left 0.3s var(--ease-power);
}

.page-disclaimer .toc-list li::before {
  content: "0" counter(toc-counter) " / ";
  font-family: var(--font-mono);
  color: var(--color-beta);
  font-size: 0.875rem;
}

.page-disclaimer .toc-list a:hover {
  color: var(--color-beta);
  padding-left: 0.5rem;
}

/* ===== 条款定义列表 ===== */
.page-disclaimer .legal-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-disclaimer .legal-item {
  position: relative;
  background: var(--color-night-2);
  border: 1px solid var(--local-line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem 1.25rem;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-power), transform 0.3s var(--ease-power);
}

.page-disclaimer .legal-item:hover {
  border-color: rgba(255, 107, 0, 0.5);
  transform: translateY(-2px);
}

.page-disclaimer .legal-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-beta), var(--color-cyan));
  opacity: 0.9;
}

.page-disclaimer .legal-index {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.5rem 1rem 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1;
  color: var(--color-text);
  background: linear-gradient(135deg, transparent, rgba(0, 194, 209, 0.15));
  border-radius: 0 0 0 var(--radius);
  opacity: 0.7;
}

.page-disclaimer .legal-item dt {
  margin: 0;
}

.page-disclaimer .legal-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0 0.5rem;
  cursor: pointer;
  transition: color 0.3s var(--ease-power);
}

.page-disclaimer .legal-item summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .legal-item summary h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
  transition: color 0.3s var(--ease-power);
}

.page-disclaimer .legal-item summary:hover h2 {
  color: var(--color-beta);
}

.page-disclaimer .legal-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-cyan);
  background: rgba(0, 194, 209, 0.1);
  border: 1px solid rgba(0, 194, 209, 0.3);
  border-radius: var(--radius);
  padding: 0.25rem 0.6rem;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-power), background-color 0.3s var(--ease-power);
}

.page-disclaimer .legal-item details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: rgba(0, 194, 209, 0.2);
}

.page-disclaimer .legal-item dd {
  margin: 0;
}

.page-disclaimer .legal-content {
  border-top: 1px solid var(--local-line);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-disclaimer .legal-content p {
  margin: 0 0 0.85rem;
}

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

/* ===== 底部法律导航 ===== */
.page-disclaimer .legal-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2.5rem 0 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--local-line);
}

.page-disclaimer .legal-footer-nav .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-night);
  background: var(--color-beta);
  border: 1px solid var(--color-beta);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background-color 0.3s var(--ease-power), transform 0.3s var(--ease-power);
}

.page-disclaimer .legal-footer-nav .btn:hover {
  background-color: var(--color-warn);
  border-color: var(--color-warn);
  transform: translateY(-2px);
}

.page-disclaimer .legal-footer-nav .btn-ghost {
  color: var(--color-text);
  background: transparent;
  border-color: var(--local-line);
}

.page-disclaimer .legal-footer-nav .btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-cyan);
  background: rgba(0, 194, 209, 0.1);
}

/* ===== 响应式：桌面端 ===== */
@media (min-width: 768px) {
  .page-disclaimer .disp-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 2rem;
    padding-top: 3rem;
  }

  .page-disclaimer .hero-copy {
    padding: 3rem 0;
  }

  .page-disclaimer h1 {
    font-size: 3.6rem;
  }

  .page-disclaimer .hero-intro {
    font-size: 1.08rem;
  }

  .page-disclaimer .hero-media {
    border-radius: 0;
    border: none;
    background: transparent;
  }

  .page-disclaimer .hero-media img {
    width: 100%;
    height: 300px;
    aspect-ratio: auto;
    object-fit: cover;
    mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
  }

  .page-disclaimer .disclaimer-body {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .page-disclaimer .toc-card {
    position: sticky;
    top: calc(var(--header-z) / 2);
    margin: 0;
  }

  .page-disclaimer .legal-list {
    gap: 1.5rem;
  }

  .page-disclaimer .legal-item {
    padding: 2rem 2rem 1.75rem 2rem;
  }

  .page-disclaimer .legal-item summary h2 {
    font-size: 1.5rem;
  }

  .page-disclaimer .legal-content {
    font-size: 1rem;
  }
}