/* ===== 页面专属：disclaimer（使用说明与免责声明） ===== */
.page-disclaimer {
  --section-index-size: clamp(2rem, 4vw, 3rem);
  background: var(--bg-primary);
  color: var(--text-light);
}

.page-disclaimer .page-shell {
  width: min(100% - 2rem, var(--container-wide));
  margin-inline: auto;
  padding-inline: 0;
}

/* 面包屑 */
.page-disclaimer .breadcrumb-bar {
  padding-top: 1.375rem;
  border-bottom: 1px solid var(--line-grid);
}

.page-disclaimer .breadcrumb-list {
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding: 0 0 0.875rem;
  margin: 0;
  list-style: none;
  font-size: 0.8125rem;
}

.page-disclaimer .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: var(--text-silver);
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "→";
  margin: 0 0.625rem;
  color: var(--line-grid);
}

.page-disclaimer .breadcrumb-link {
  color: var(--accent-cyan);
  text-decoration: none;
}

.page-disclaimer .breadcrumb-link:hover {
  text-decoration: underline;
}

.page-disclaimer .breadcrumb-current {
  color: var(--text-silver);
  white-space: nowrap;
}

/* Hero */
.page-disclaimer .disclaimer-hero {
  position: relative;
  padding: 3rem 0 2.75rem;
  overflow: hidden;
}

.page-disclaimer .disclaimer-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 160%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, rgba(230, 57, 70, 0.07) 100%);
  transform: skewX(-18deg);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .disclaimer-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-disclaimer .disclaimer-hero .section-kicker {
  margin: 0 0 0.75rem;
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 1.125rem;
  color: var(--text-light);
  letter-spacing: 0.01em;
}

.page-disclaimer .disclaimer-hero h1::after {
  content: "";
  display: block;
  width: 4rem;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
  margin-top: 1rem;
}

.page-disclaimer .disclaimer-hero__lead {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-silver);
  max-width: 44rem;
  margin: 0 0 1.5rem;
}

.page-disclaimer .disclaimer-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.page-disclaimer .disclaimer-hero__note {
  font-size: 0.8125rem;
  color: var(--text-silver);
  line-height: 1.6;
}

.page-disclaimer .disclaimer-hero__media .image-frame {
  margin: 0;
  border: 1px solid var(--line-grid);
  background: var(--bg-secondary);
}

/* 目录 */
.page-disclaimer .disclaimer-toc {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line-grid);
  border-bottom: 1px solid var(--line-grid);
  padding: 1.25rem 0;
}

.page-disclaimer .disclaimer-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disclaimer-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease-race), border-color 0.25s var(--ease-race);
}

.page-disclaimer .disclaimer-toc__list a:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.page-disclaimer .disclaimer-toc__num {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  color: var(--accent-gold);
}

/* 章节 */
.page-disclaimer .disclaimer-section {
  padding: 3.25rem 0;
  scroll-margin-top: 4.5rem;
}

.page-disclaimer .disclaimer-section.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(42, 53, 96, 0.55);
  border-bottom: 1px solid rgba(42, 53, 96, 0.55);
}

.page-disclaimer .disclaimer-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem 2.5rem;
}

.page-disclaimer .disclaimer-section__index {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  border-left: 3px solid var(--accent-gold);
  padding-left: 1rem;
  min-height: 2.5rem;
}

.page-disclaimer .disclaimer-section__index .section-index {
  font-family: var(--font-display);
  font-size: var(--section-index-size);
  font-weight: 700;
  line-height: 1;
  color: var(--accent-gold);
}

.page-disclaimer .disclaimer-section__index .section-kicker {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-silver);
  margin: 0;
}

.page-disclaimer .disclaimer-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.3;
  margin: 0 0 1.25rem;
}

.page-disclaimer .disclaimer-section h2::before {
  content: "";
  display: inline-block;
  width: 0.375rem;
  height: 1.125rem;
  background: linear-gradient(180deg, var(--accent-gold), var(--accent-red));
  margin-right: 0.75rem;
  transform: skewX(-12deg);
  vertical-align: -0.15em;
}

.page-disclaimer .disclaimer-section__body p {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(232, 237, 245, 0.85);
  margin: 0 0 1rem;
}

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

.page-disclaimer .disclaimer-list {
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-disclaimer .disclaimer-list li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(232, 237, 245, 0.82);
}

.page-disclaimer .disclaimer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.4375rem;
  height: 0.4375rem;
  background: var(--accent-gold);
  transform: rotate(45deg);
}

.page-disclaimer .data-line {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-silver);
}

.page-disclaimer .disclaimer-callout {
  margin-top: 1.5rem;
  background: rgba(255, 215, 0, 0.05);
  border-left: 3px solid var(--accent-gold);
}

.page-disclaimer .disclaimer-callout p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-light);
  margin: 0;
}

.page-disclaimer .disclaimer-callout strong {
  color: var(--accent-gold);
  font-weight: 600;
}

/* 联系卡片 */
.page-disclaimer .disclaimer-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  margin: 1.5rem 0;
}

.page-disclaimer .disclaimer-contact-item {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--line-grid);
  padding: 1rem 1.25rem 1rem 1.5rem;
}

.page-disclaimer .disclaimer-contact-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-cyan);
}

.page-disclaimer .disclaimer-contact-item__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-silver);
  margin-bottom: 0.3125rem;
}

.page-disclaimer .disclaimer-contact-item__value {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-light);
}

.page-disclaimer .disclaimer-contact-note {
  border-top: 1px solid var(--line-grid);
  padding-top: 1.125rem;
  margin-top: 1.5rem;
}

.page-disclaimer .disclaimer-contact-note p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-silver);
  margin: 0;
}

.page-disclaimer .disclaimer-contact-note a {
  color: var(--accent-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .disclaimer-contact-note a:hover {
  border-bottom-color: var(--accent-gold);
}

/* 返回顶部 */
.page-disclaimer .disclaimer-backtop {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--accent-gold);
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
  transition: transform 0.25s var(--ease-race), box-shadow 0.25s var(--ease-race);
}

.page-disclaimer .disclaimer-backtop::before {
  content: "↑";
  font-size: 1rem;
  line-height: 1;
}

.page-disclaimer .disclaimer-backtop:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(255, 215, 0, 0.35);
}

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

/* 响应式 */
@media (min-width: 40rem) {
  .page-disclaimer .disclaimer-hero {
    padding: 4rem 0 3rem;
  }

  .page-disclaimer .disclaimer-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2.5rem;
  }

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

  .page-disclaimer .disclaimer-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 64rem) {
  .page-disclaimer .disclaimer-hero {
    padding: 5.5rem 0 4rem;
  }

  .page-disclaimer .disclaimer-hero h1 {
    font-size: var(--text-display);
    max-width: 42rem;
  }

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

  .page-disclaimer .disclaimer-section__grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-disclaimer .disclaimer-section__index {
    grid-column: span 3;
  }

  .page-disclaimer .disclaimer-section__main {
    grid-column: span 9;
  }

  .page-disclaimer .disclaimer-section__index {
    flex-direction: column;
    align-items: flex-start;
    border-left: none;
    border-top: 3px solid var(--accent-gold);
    padding-left: 0;
    padding-top: 1rem;
  }

  .page-disclaimer .disclaimer-section__index .section-index {
    font-size: var(--section-index-size);
  }

  .page-disclaimer .disclaimer-section__index .section-kicker {
    font-size: 0.75rem;
  }
}