/* ===== page-disclaimer 使用说明页 ===== */
.page-disclaimer {
  --legal-body-size: 15px;
  --legal-body-line: 1.85;
  position: relative;
  background: var(--bg-deep);
  color: var(--text-white);
  overflow-x: hidden;
}

.page-disclaimer .font-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- 顶部警示条 --- */
.page-disclaimer .legal-ribbon {
  background: linear-gradient(90deg, var(--accent-orange) 0%, rgba(255, 107, 0, 0.32) 55%, transparent 100%);
  border-bottom: 1px solid var(--border-line);
}

.page-disclaimer .legal-ribbon-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-white);
}

.page-disclaimer .legal-ribbon-sep {
  width: 30px;
  height: 2px;
  background: rgba(255, 255, 255, 0.6);
}

/* --- 页头 --- */
.page-disclaimer .legal-hero {
  position: relative;
  overflow: hidden;
  padding: 52px 20px 64px;
  border-bottom: 1px solid var(--border-line);
  background:
    radial-gradient(ellipse at 85% 12%, rgba(255, 107, 0, 0.14), transparent 44%),
    radial-gradient(ellipse at 8% 82%, rgba(0, 180, 255, 0.07), transparent 38%),
    var(--bg-deep);
}

.page-disclaimer .legal-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent-orange) 0%, rgba(255, 107, 0, 0.2) 55%, transparent 100%);
}

.page-disclaimer .legal-hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 36px;
}

.page-disclaimer .legal-hero-main,
.page-disclaimer .legal-hero-side {
  min-width: 0;
}

.page-disclaimer .legal-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-family: var(--font-body);
  font-size: 13px;
}

.page-disclaimer .legal-breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.page-disclaimer .legal-breadcrumb-link:hover {
  color: var(--accent-blue);
}

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

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

.page-disclaimer .legal-kicker {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-orange);
}

.page-disclaimer .legal-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 9vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.page-disclaimer .legal-h1 em {
  font-style: normal;
  display: block;
  color: var(--accent-orange);
}

.page-disclaimer .legal-hero-lead {
  max-width: 540px;
  margin: 0 0 28px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-disclaimer .legal-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .legal-tools-label {
  margin-right: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
}

.page-disclaimer .legal-size-btn {
  cursor: pointer;
  user-select: none;
  margin: 0;
  padding: 8px 18px;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  color: var(--text-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-disclaimer #font-normal:checked ~ .legal-hero .legal-size-btn[for="font-normal"],
.page-disclaimer #font-large:checked ~ .legal-hero .legal-size-btn[for="font-large"] {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
  box-shadow: 0 0 22px rgba(255, 107, 0, 0.32);
}

.page-disclaimer .legal-hero-stripe {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 5px;
  background: repeating-linear-gradient(-45deg, var(--accent-orange) 0, var(--accent-orange) 14px, transparent 14px, transparent 28px);
  opacity: 0.4;
}

/* --- 正文布局 --- */
.page-disclaimer .legal-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 64px;
  display: grid;
  gap: 40px;
  font-size: var(--legal-body-size);
  line-height: var(--legal-body-line);
}

/* 侧边目录 */
.page-disclaimer .legal-toc {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  height: fit-content;
}

.page-disclaimer .legal-toc::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 0;
  width: 3px;
  height: 46px;
  background: var(--accent-orange);
}

.page-disclaimer .legal-toc-kicker {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.page-disclaimer .legal-toc-list {
  display: grid;
  gap: 4px;
  padding: 0;
  margin: 0 0 22px;
  list-style: none;
}

.page-disclaimer .legal-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.page-disclaimer .legal-toc-list a span {
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  color: var(--accent-orange);
}

.page-disclaimer .legal-toc-list a:hover {
  background: var(--bg-elevated);
  color: var(--text-white);
  transform: translateX(4px);
}

.page-disclaimer .legal-toc-foot {
  padding-top: 18px;
  border-top: 1px solid var(--border-line);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-disclaimer .legal-toc-foot p {
  margin: 0 0 6px;
}

.page-disclaimer .legal-toc-mail {
  display: block;
  overflow-wrap: anywhere;
  color: var(--accent-blue);
}

/* 条款内容区 */
.page-disclaimer .legal-content {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-disclaimer .legal-section {
  min-width: 0;
  scroll-margin-top: 32px;
}

.page-disclaimer .legal-section-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-line);
}

.page-disclaimer .legal-section-no {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-orange);
  opacity: 0.88;
}

.page-disclaimer .legal-section-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.01em;
}

.page-disclaimer .legal-section-sub {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
}

.page-disclaimer .legal-copy {
  display: grid;
  gap: 16px;
  font-family: var(--font-body);
}

.page-disclaimer .legal-copy > p {
  margin: 0;
  color: var(--text-muted);
}

.page-disclaimer .legal-copy a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 可折叠条款条目 */
.page-disclaimer .legal-collapse {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 16px 16px 0;
  transition: background var(--transition);
}

.page-disclaimer .legal-collapse[open] {
  background: var(--bg-elevated);
}

.page-disclaimer .legal-collapse summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 22px;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-white);
}

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

.page-disclaimer .legal-collapse summary::after {
  content: "+";
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-line);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  line-height: 1;
  color: var(--accent-orange);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-disclaimer .legal-collapse[open] summary::after {
  content: "-";
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
}

.page-disclaimer .legal-collapse-body {
  padding: 0 22px 20px;
  color: var(--text-muted);
}

.page-disclaimer .legal-collapse-body p {
  margin: 0 0 10px;
}

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

.page-disclaimer .legal-collapse-body strong {
  color: var(--text-white);
}

/* 联系信息卡 */
.page-disclaimer .legal-meta-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 4px 0 10px;
}

.page-disclaimer .legal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--bg-panel);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 12px 12px 0;
}

.page-disclaimer .legal-meta-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-disclaimer .legal-meta-value {
  font-family: var(--font-body);
  font-size: 1.04em;
  color: var(--text-white);
  overflow-wrap: anywhere;
}

/* 抽象视觉条带 */
.page-disclaimer .legal-visual {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 64px;
  display: grid;
  gap: 22px;
}

.page-disclaimer .legal-visual-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  object-fit: cover;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.12), transparent 40%),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 0, rgba(255, 255, 255, 0.04) 12px, transparent 12px, transparent 24px),
    var(--bg-elevated);
}

.page-disclaimer .legal-visual-caption {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-disclaimer .legal-visual-caption > span {
  flex-shrink: 0;
  width: 42px;
  height: 3px;
  margin-top: 8px;
  background: var(--accent-orange);
  border-radius: 2px;
}

.page-disclaimer .legal-visual-caption p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 联系横条 */
.page-disclaimer .legal-contact-strip {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 56px;
}

.page-disclaimer .legal-contact-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 26px;
  background:
    linear-gradient(120deg, rgba(255, 107, 0, 0.14) 0%, transparent 55%),
    var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
}

.page-disclaimer .legal-contact-copy .section-kicker {
  color: var(--accent-orange);
  margin-bottom: 10px;
}

.page-disclaimer .legal-contact-copy .section-title {
  margin: 0 0 10px;
}

.page-disclaimer .legal-contact-copy p:last-child {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-disclaimer .legal-contact-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: var(--accent-orange);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  box-shadow: 0 8px 28px rgba(255, 107, 0, 0.28);
  overflow-wrap: anywhere;
  text-align: center;
}

/* 相关章节卡片 */
.page-disclaimer .legal-related {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 72px;
}

.page-disclaimer .legal-related-grid {
  display: grid;
  gap: 16px;
}

.page-disclaimer .legal-related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-white);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.page-disclaimer .legal-related-card::after {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.2), transparent 70%);
}

.page-disclaimer .legal-related-card:hover {
  background: var(--bg-elevated);
  border-color: var(--accent-orange);
  transform: translateY(-4px);
}

.page-disclaimer .legal-related-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.page-disclaimer .legal-related-card-title {
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
}

.page-disclaimer .legal-related-desc {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-disclaimer .legal-related-arrow {
  margin-top: 12px;
  font-size: 24px;
  color: var(--accent-orange);
  transition: transform var(--transition);
}

.page-disclaimer .legal-related-card:hover .legal-related-arrow {
  transform: translateX(6px);
}

/* 大字阅读模式 */
.page-disclaimer #font-large:checked ~ .legal-layout {
  --legal-body-size: 17px;
  --legal-body-line: 1.95;
}

.page-disclaimer #font-large:checked ~ .legal-layout .legal-collapse summary {
  font-size: 17.5px;
}

/* --- 桌面端 --- */
@media (min-width: 768px) {
  .page-disclaimer .legal-ribbon-inner {
    padding: 12px 32px;
  }

  .page-disclaimer .legal-hero {
    padding: 72px 32px 84px;
  }

  .page-disclaimer .legal-hero-grid {
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: end;
  }

  .page-disclaimer .legal-layout {
    grid-template-columns: 250px 1fr;
    gap: 56px;
    padding: 64px 32px 80px;
  }

  .page-disclaimer .legal-toc {
    position: sticky;
    top: 140px;
    align-self: start;
  }

  .page-disclaimer .legal-section-no {
    font-size: 40px;
  }

  .page-disclaimer .legal-visual {
    grid-template-columns: 1.55fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 32px 32px 80px;
  }

  .page-disclaimer .legal-visual-caption p {
    font-size: 15px;
  }

  .page-disclaimer .legal-contact-strip {
    padding: 0 32px 64px;
  }

  .page-disclaimer .legal-contact-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 40px 52px;
  }

  .page-disclaimer .legal-contact-email {
    flex-shrink: 0;
  }

  .page-disclaimer .legal-related {
    padding: 0 32px 80px;
  }

  .page-disclaimer .legal-related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .legal-h1 {
    font-size: 88px;
  }

  .page-disclaimer .legal-section-title {
    font-size: 30px;
  }
}