.page-disclaimer .update-line {
  padding-bottom: 20px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-disclaimer .doc-hero {
  max-width: 720px;
}

.page-disclaimer .doc-hero .eyebrow {
  color: var(--c-cyan);
}

.page-disclaimer .doc-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-silver);
}

.page-disclaimer .doc-hero .lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-body);
}

/* 顶部窄幅横幅 */
.page-disclaimer .doc-banner {
  position: relative;
  margin: 34px 0 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-indigo);
}

.page-disclaimer .doc-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(56, 225, 210, 0.14), transparent 62%),
    linear-gradient(180deg, transparent 55%, rgba(6, 10, 26, 0.6) 100%);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* 单栏长文 + 右侧刻度导航 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  margin-top: 48px;
}

.page-disclaimer .doc-rail {
  order: -1;
}

.page-disclaimer .doc-rail .rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-dust);
}

.page-disclaimer .doc-rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: transparent;
  color: var(--c-dust);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .doc-rail-link:hover,
.page-disclaimer .doc-rail-link:focus-visible {
  color: var(--c-silver);
  border-color: var(--c-cyan);
  background: var(--c-glass);
}

.page-disclaimer .doc-rail-link:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-disclaimer .doc-rail-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

/* 正文区 */
.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .doc-section {
  position: relative;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--c-line-soft);
  scroll-margin-top: calc(var(--bar-h) + 32px);
  transition: border-color 0.25s var(--ease);
}

.page-disclaimer .doc-section + .doc-section {
  margin-top: 56px;
}

.page-disclaimer .doc-section:target {
  border-left-color: var(--c-cyan);
}

.page-disclaimer .doc-no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-dust);
}

.page-disclaimer .doc-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--c-silver);
  transition: color 0.25s var(--ease);
}

.page-disclaimer .doc-section:target .doc-title {
  color: var(--c-cyan);
}

.page-disclaimer .doc-section > p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-body);
}

.page-disclaimer .doc-section > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-body a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(56, 225, 210, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s var(--ease);
}

.page-disclaimer .doc-body a:hover {
  text-decoration-color: var(--c-cyan);
}

.page-disclaimer .doc-body .btn {
  text-decoration: none;
}

.page-disclaimer .doc-section .data-list {
  margin-top: 22px;
}

/* 引用规范 */
.page-disclaimer .cite-block {
  max-width: 68ch;
  margin: 24px 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--c-cyan);
}

.page-disclaimer .cite-block p {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-silver);
}

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

/* 更新三条线 */
.page-disclaimer .doc-section .grid {
  margin-top: 22px;
}

.page-disclaimer .index-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--c-silver);
}

.page-disclaimer .index-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-dust);
}

/* 四步流程 */
.page-disclaimer .flow-path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-disclaimer .flow-step {
  position: relative;
  overflow: hidden;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease);
}

.page-disclaimer .flow-step::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--c-cyan);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-disclaimer .flow-step:hover,
.page-disclaimer .flow-step:focus-within {
  border-color: rgba(56, 225, 210, 0.45);
}

.page-disclaimer .flow-step:hover::after,
.page-disclaimer .flow-step:focus-within::after {
  opacity: 1;
}

.page-disclaimer .flow-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 16px 16px 10px;
  background: transparent;
  border: 0;
  color: var(--c-silver);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  text-align: left;
  cursor: pointer;
}

.page-disclaimer .flow-trigger:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-disclaimer .flow-no {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border: 1px solid var(--c-cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  color: var(--c-cyan);
}

.page-disclaimer .flow-name {
  flex: 1 1 auto;
  min-width: 0;
}

.page-disclaimer .flow-summary {
  margin: 0;
  padding: 0 16px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-dust);
}

.page-disclaimer .flow-step .expand-panel {
  border-top: 1px solid var(--c-line-soft);
}

.page-disclaimer .flow-step .expand-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-body);
}

/* 联系信息 */
.page-disclaimer .doc-contact {
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-disclaimer .doc-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
}

.page-disclaimer .doc-contact-row dt {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--c-dust);
}

.page-disclaimer .doc-contact-row dd {
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-silver);
  overflow-wrap: anywhere;
}

.page-disclaimer .doc-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

/* 桌面端：右侧刻度式步骤条 */
@media (min-width: 1024px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 66px;
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    order: 0;
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-disclaimer .doc-rail-list {
    display: block;
    border-left: 1px solid var(--c-line-soft);
  }

  .page-disclaimer .doc-rail-list li + li {
    margin-top: 2px;
  }

  .page-disclaimer .doc-rail-link {
    display: flex;
    width: 100%;
    margin-left: -1px;
    padding: 11px 10px 11px 14px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
  }

  .page-disclaimer .doc-rail-link::before {
    content: "";
    flex: 0 0 auto;
    width: 12px;
    height: 1px;
    background: var(--c-line);
    transition: width 0.2s var(--ease), background 0.2s var(--ease);
  }

  .page-disclaimer .doc-rail-link:hover,
  .page-disclaimer .doc-rail-link:focus-visible {
    background: transparent;
    border-left-color: var(--c-cyan);
    color: var(--c-silver);
  }

  .page-disclaimer .doc-rail-link:hover::before,
  .page-disclaimer .doc-rail-link:focus-visible::before {
    width: 20px;
    background: var(--c-cyan);
  }

  .page-disclaimer .doc-rail-link:focus-visible {
    outline-offset: -2px;
  }

  .page-disclaimer .doc-section + .doc-section {
    margin-top: 72px;
  }
}

/* 四步流程横向路径 */
@media (min-width: 820px) {
  .page-disclaimer .flow-path {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

/* 窄屏防溢出 */
@media (max-width: 560px) {
  .page-disclaimer .doc-banner {
    aspect-ratio: 16 / 9;
  }

  .page-disclaimer .doc-section {
    padding-left: 15px;
  }

  .page-disclaimer .doc-contact-row dt {
    min-width: 100%;
  }

  .page-disclaimer .doc-cta .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-section,
  .page-disclaimer .doc-title,
  .page-disclaimer .doc-rail-link,
  .page-disclaimer .doc-rail-link::before,
  .page-disclaimer .flow-step,
  .page-disclaimer .flow-step::after,
  .page-disclaimer .doc-body a {
    transition: none;
  }
}