/* =============================
   page-disclaimer / 使用说明
   法律文档科技感 · 移动端优先
============================= */
.page-disclaimer {
  position: relative;
  background:
    linear-gradient(rgba(18, 26, 41, 0.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 26, 41, 0.45) 1px, transparent 1px),
    var(--color-bg);
  background-size: 44px 44px, 44px 44px, auto;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  padding-bottom: 96px;
  overflow-x: clip;
}

.page-disclaimer .disc-shell {
  max-width: 1240px;
  margin-inline: auto;
  padding: 0 20px;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  padding-top: 36px;
  margin-bottom: 32px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--color-border);
}

.page-disclaimer .breadcrumb a {
  color: var(--color-accent-2);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--color-accent);
}

/* 首屏标题区 */
.page-disclaimer .disc-hero {
  position: relative;
  padding: 8px 0 48px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 8px;
  bottom: 48px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
  border-radius: 2px;
}

.page-disclaimer .disc-hero__code {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.page-disclaimer .disc-hero__codename {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-disclaimer .disc-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(30px, 5.5vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 48ch;
  margin: 0 0 20px;
}

.page-disclaimer .disc-hero__lead {
  max-width: 72ch;
  font-size: 16px;
  color: var(--color-text-muted);
  margin: 0 0 28px;
}

.page-disclaimer .disc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-disclaimer .disc-hero__meta-item {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-right-color: rgba(0, 255, 133, 0.4);
  background: var(--color-bg-alt);
}

/* 双栏布局 */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

/* 侧栏 */
.page-disclaimer .disc-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-disclaimer .disc-toc {
  padding: 22px 20px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
}

.page-disclaimer .disc-toc__label {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-disclaimer .disc-toc ol {
  display: grid;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-toc a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 2px;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.page-disclaimer .disc-toc a:hover,
.page-disclaimer .disc-toc a:focus-visible {
  background: rgba(0, 255, 133, 0.08);
  color: var(--color-accent);
  padding-left: 12px;
}

.page-disclaimer .disc-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent-2);
}

.page-disclaimer .disc-aside__visual {
  max-width: 300px;
  margin: 0;
  padding: 8px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.page-disclaimer .disc-aside__img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
}

.page-disclaimer .disc-aside__contact {
  display: grid;
  gap: 4px;
  max-width: 300px;
  padding: 18px 20px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
}

.page-disclaimer .disc-aside__contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.page-disclaimer .disc-aside__contact-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.page-disclaimer .disc-aside__contact-note {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* 正文主区 */
.page-disclaimer .disc-main {
  min-width: 0;
}

.page-disclaimer .disc-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 30px 0 32px;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 140px;
}

.page-disclaimer .disc-section:first-child {
  padding-top: 0;
}

.page-disclaimer .disc-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-disclaimer .disc-section__index {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.page-disclaimer .disc-section h2 {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}

.page-disclaimer .disc-section__body {
  min-width: 0;
}

.page-disclaimer .disc-section__body p {
  max-width: 70ch;
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--color-text);
}

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

/* 禁止行为列表 */
.page-disclaimer .disc-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 14px 0 18px;
  padding: 0;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: var(--color-text);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 2px;
  width: 9px;
  height: 2px;
  background: var(--color-accent);
}

/* 重要提醒警示框 */
.page-disclaimer .disc-alert {
  margin: 36px 0 8px;
  background: rgba(255, 200, 87, 0.05);
  border: 1px solid var(--color-warning);
  border-left: 4px solid var(--color-warning);
  scroll-margin-top: 140px;
}

.page-disclaimer .disc-alert__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
}

.page-disclaimer .disc-alert__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-alert__icon {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-warning);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-warning);
}

.page-disclaimer .disc-alert__text {
  flex: 1;
}

.page-disclaimer .disc-alert__toggle {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-warning);
}

.page-disclaimer .disc-alert:not([open]) .disc-alert__toggle::before {
  content: "展开";
}

.page-disclaimer .disc-alert[open] .disc-alert__toggle::before {
  content: "收起";
}

.page-disclaimer .disc-alert__body {
  padding: 0 20px 18px 56px;
}

.page-disclaimer .disc-alert__body p {
  max-width: 70ch;
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* 正文链接 */
.page-disclaimer .disc-link {
  color: var(--color-accent-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 179, 255, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* 桌面端 */
@media (min-width: 768px) {
  .page-disclaimer .disc-shell {
    padding: 0 32px;
  }

  .page-disclaimer .disc-hero::before {
    left: -32px;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .disc-aside {
    position: sticky;
    top: 120px;
  }

  .page-disclaimer .disc-section {
    grid-template-columns: 96px 1fr;
    gap: 0;
  }

  .page-disclaimer .disc-section__head {
    display: flex;
    justify-content: flex-start;
  }

  .page-disclaimer .disc-section__body {
    padding-left: 28px;
    border-left: 1px solid var(--color-border);
  }
}