/* ===== 使用说明与免责声明 page-disclaimer ===== */
.page-disclaimer {
  --dl-accent: var(--c-primary);
  --dl-line: var(--c-line);
  font-family: var(--font-body);
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 4vw, 2.75rem) 4rem;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--c-gray);
  margin-bottom: 2rem;
  padding: 0;
}
.page-disclaimer .breadcrumb a {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(64, 196, 255, .35);
  transition: color .2s;
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--c-white);
}
.page-disclaimer .breadcrumb span[aria-hidden="true"] {
  color: var(--c-line);
}

/* 标题区 */
.page-disclaimer .disclaimer-hero {
  position: relative;
  border-left: 4px solid var(--dl-accent);
  padding-left: 1.1rem;
  margin-bottom: 1.4rem;
  background-image:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 22px 22px;
}
.page-disclaimer .disclaimer-hero .kicker {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--c-amber);
  margin: 0 0 .5rem;
}
.page-disclaimer .disclaimer-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.65rem, 5.5vw, 2.8rem);
  line-height: 1.18;
  color: var(--c-white);
  margin: 0 0 .8rem;
  letter-spacing: .02em;
}
.page-disclaimer .disclaimer-hero .disclaimer-intro {
  margin: 0;
  max-width: 70ch;
  color: var(--c-gray);
  font-size: .93rem;
  line-height: 1.9;
}

/* 横幅 */
.page-disclaimer .disclaimer-banner {
  margin: 1.5rem 0 2.25rem;
  border: 1px solid var(--c-line);
  background: var(--c-card);
  overflow: hidden;
}
.page-disclaimer .disclaimer-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 目录 + 正文 双栏 */
.page-disclaimer .disclaimer-layout {
  display: grid;
  gap: 2rem;
}

/* 目录卡片 */
.page-disclaimer .disclaimer-toc {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  padding: 1.25rem;
}
.page-disclaimer .disclaimer-toc h2 {
  font-family: var(--font-head);
  font-size: .95rem;
  color: var(--c-white);
  margin: 0 0 .85rem;
  letter-spacing: .06em;
}
.page-disclaimer .disclaimer-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: dl-toc;
}
.page-disclaimer .disclaimer-toc li {
  counter-increment: dl-toc;
  border-bottom: 1px solid var(--c-line);
}
.page-disclaimer .disclaimer-toc li:last-child {
  border-bottom: none;
}
.page-disclaimer .disclaimer-toc a {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .6rem 0;
  color: var(--c-gray);
  text-decoration: none;
  font-size: .9rem;
  transition: color .2s, padding-left .2s;
}
.page-disclaimer .disclaimer-toc a::before {
  content: "0" counter(dl-toc);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--dl-accent);
  letter-spacing: .08em;
}
.page-disclaimer .disclaimer-toc a:hover {
  color: var(--c-white);
  padding-left: .2rem;
}
.page-disclaimer .disclaimer-toc .toc-note {
  margin: .8rem 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--c-gray);
}

/* 正文 */
.page-disclaimer .disclaimer-body {
  display: grid;
  gap: 2.2rem;
}
.page-disclaimer .disclaimer-section {
  border-top: 1px solid var(--c-line);
  padding-top: 1.6rem;
  scroll-margin-top: 5rem;
}
.page-disclaimer .disclaimer-section h2 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--c-white);
  margin: 0 0 .9rem;
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.page-disclaimer .section-num {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--dl-accent);
  letter-spacing: .1em;
}
.page-disclaimer .disclaimer-content {
  display: grid;
  gap: .8rem;
}
.page-disclaimer .disclaimer-content p {
  margin: 0;
  color: var(--c-gray);
  font-size: .92rem;
  line-height: 1.92;
  max-width: 74ch;
}
.page-disclaimer .disclaimer-content a {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(64, 196, 255, .35);
  transition: color .2s, border-color .2s;
}
.page-disclaimer .disclaimer-content a:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* 联系卡片 */
.page-disclaimer .disclaimer-contact {
  margin-top: 3rem;
}
.page-disclaimer .contact-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 61, 0, .16), rgba(255, 109, 0, .05));
  border: 1px solid rgba(255, 61, 0, .35);
  padding: 1.5rem;
}
.page-disclaimer .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-orange));
}
.page-disclaimer .contact-card h2 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--c-white);
  margin: 0 0 .55rem;
}
.page-disclaimer .contact-card > p {
  margin: 0 0 .9rem;
  color: var(--c-gray);
  font-size: .9rem;
  line-height: 1.8;
  max-width: 66ch;
}
.page-disclaimer .contact-list {
  list-style: none;
  margin: 0 0 .7rem;
  padding: 0;
  border-top: 1px solid rgba(255, 61, 0, .22);
}
.page-disclaimer .contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem;
  padding: .7rem 0;
  border-bottom: 1px solid rgba(255, 61, 0, .22);
}
.page-disclaimer .contact-label {
  min-width: 4.6rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--c-amber);
  letter-spacing: .06em;
}
.page-disclaimer .contact-value {
  color: var(--c-white);
  font-size: .92rem;
}
.page-disclaimer .contact-note {
  font-size: .82rem;
  color: var(--c-gray);
  margin-bottom: 0;
}
.page-disclaimer .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.1rem;
}
.page-disclaimer .contact-links .btn {
  text-decoration: none;
}

/* 桌面端 */
@media (min-width: 920px) {
  .page-disclaimer {
    padding-top: 2.25rem;
    padding-bottom: 5rem;
  }
  .page-disclaimer .disclaimer-banner {
    margin: 1.75rem 0 2.75rem;
  }
  .page-disclaimer .disclaimer-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }
  .page-disclaimer .disclaimer-toc {
    position: sticky;
    top: 4rem;
  }
  .page-disclaimer .disclaimer-body {
    gap: 2.75rem;
  }
  .page-disclaimer .disclaimer-section {
    padding-top: 1.9rem;
  }
  .page-disclaimer .contact-card {
    padding: 2rem;
  }
}