.page-disclaimer {
  --disc-index-w: 238px;
  position: relative;
  padding: 26px 0 96px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding-bottom: 40px;
}

.page-disclaimer .disc-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 18ch;
}

.page-disclaimer .disc-hero-lede {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-hero-jump {
  margin: 16px 0 0;
  font-size: 14px;
}

.page-disclaimer .disc-visual {
  margin: 34px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(142deg, rgba(122, 92, 255, 0.16) 0%, rgba(0, 229, 255, 0.06) 52%, rgba(5, 7, 14, 0) 80%),
    var(--panel);
}

.page-disclaimer .disc-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .disc-body {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-body {
    grid-template-columns: var(--disc-index-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */
.page-disclaimer .disc-index {
  padding: 0 0 8px;
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding-bottom: 0;
  }
}

.page-disclaimer .disc-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-index .index-list {
  display: grid;
  gap: 2px;
}

@media (min-width: 640px) and (max-width: 999px) {
  .page-disclaimer .disc-index .index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-disclaimer .disc-index .index-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 11px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-index .index-item:hover {
  color: var(--text);
  background-color: rgba(0, 229, 255, 0.06);
}

.page-disclaimer .disc-index .index-item .index-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-disclaimer .disc-index .index-item.is-active {
  color: var(--text);
  background-color: rgba(0, 229, 255, 0.09);
  border-left-color: var(--cyan);
}

.page-disclaimer .disc-index .index-item.is-active .index-no {
  color: var(--amber);
}

/* ---------- 分节 ---------- */
.page-disclaimer .disc-section {
  padding: 34px 0 10px;
  border-top: 1px solid var(--line-row);
}

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

.page-disclaimer .disc-section .section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 18px;
}

.page-disclaimer .disc-section .section-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-disclaimer .disc-section .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-disclaimer .disc-prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-prose p {
  margin: 0 0 16px;
}

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

.page-disclaimer .disc-prose .u-mono {
  font-family: var(--font-mono);
  font-size: 0.95em;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-disclaimer .disc-prose .link {
  color: var(--cyan);
}

/* ---------- 对照表 ---------- */
.page-disclaimer .disc-table-wrap {
  margin: 26px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background-color: var(--panel);
  overflow-x: auto;
}

.page-disclaimer .disc-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-disclaimer .disc-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 18px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .disc-table th,
.page-disclaimer .disc-table td {
  padding: 13px 18px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line-row);
  line-height: 1.65;
}

.page-disclaimer .disc-table th {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background-color: rgba(20, 28, 46, 0.62);
}

.page-disclaimer .disc-table td {
  color: var(--muted);
}

.page-disclaimer .disc-table td:first-child {
  color: var(--text);
  font-weight: 500;
}

.page-disclaimer .disc-table tbody tr:nth-child(even) {
  background-color: rgba(20, 28, 46, 0.42);
}

.page-disclaimer .disc-table tbody tr:hover {
  background-color: rgba(0, 229, 255, 0.06);
}

.page-disclaimer .disc-table .u-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-disclaimer .disc-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 展开项 ---------- */
.page-disclaimer .disc-details {
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-details details {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background-color: var(--panel);
  padding: 0 18px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .disc-details details:hover {
  border-color: var(--line);
}

.page-disclaimer .disc-details details[open] {
  border-color: var(--line);
  background-color: rgba(11, 18, 32, 0.92);
}

.page-disclaimer .disc-details summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

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

.page-disclaimer .disc-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .disc-details details[open] summary::after {
  content: "–";
  color: var(--amber);
}

.page-disclaimer .disc-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-disclaimer .disc-details .det-body {
  padding: 0 0 16px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .disc-details .det-body p {
  margin: 0;
}

/* ---------- 底部动作 ---------- */
.page-disclaimer .disc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

@media (max-width: 479px) {
  .page-disclaimer .disc-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 640px) {
  .page-disclaimer {
    padding: 18px 0 72px;
  }

  .page-disclaimer .disc-hero-lede,
  .page-disclaimer .disc-prose {
    font-size: 16px;
  }

  .page-disclaimer .disc-body {
    margin-top: 34px;
  }

  .page-disclaimer .disc-section {
    padding: 28px 0 8px;
  }

  .page-disclaimer .disc-table th,
  .page-disclaimer .disc-table td {
    padding: 11px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index .index-item,
  .page-disclaimer .disc-details details {
    transition: none;
  }
}