.page-disclaimer {
  --disc-max: 1080px;
  background: var(--mist);
  color: var(--ink);
  padding-bottom: 64px;
}

.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  max-width: var(--disc-max);
  margin-inline: auto;
  padding: 20px var(--pad-x) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #5a6f85;
}

.page-disclaimer .breadcrumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-disclaimer .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: #9fb3c8;
}

.page-disclaimer a.breadcrumbs__item:hover,
.page-disclaimer a.breadcrumbs__item:focus-visible {
  color: var(--deep-3);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-disclaimer section[id] {
  scroll-margin-top: 24px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .guide-hero {
  max-width: var(--disc-max);
  margin-inline: auto;
  padding: 28px var(--pad-x) 0;
}

.page-disclaimer .guide-hero__eyebrow {
  margin: 0;
  padding-left: 10px;
  border-left: 3px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--deep-3);
}

.page-disclaimer .guide-hero h1 {
  margin: 18px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--deep-1);
}

.page-disclaimer .guide-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #33465a;
}

.page-disclaimer .guide-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-disclaimer .guide-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 84px;
}

.page-disclaimer .guide-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--deep-1);
  line-height: 1;
}

.page-disclaimer .guide-hero__label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: #5a6f85;
}

/* ---------- 章节条 ---------- */

.page-disclaimer .chapter-strip {
  display: flex;
  gap: 8px;
  max-width: var(--disc-max);
  margin: 30px auto 0;
  padding: 10px var(--pad-x);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .chapter-strip::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .chapter-strip a {
  flex: 0 0 auto;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--deep-2);
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-disclaimer .chapter-strip a:hover,
.page-disclaimer .chapter-strip a:focus-visible {
  border-color: var(--cyan);
  color: var(--deep-1);
}

/* ---------- 章节 ---------- */

.page-disclaimer .guide-section {
  max-width: var(--disc-max);
  margin-inline: auto;
  padding: 44px var(--pad-x) 0;
  border-top: 1px solid var(--line);
  margin-top: 44px;
}

.page-disclaimer .guide-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.page-disclaimer .section-no {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--deep-3);
}

.page-disclaimer .guide-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--deep-1);
}

.page-disclaimer .guide-body p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #33465a;
}

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

.page-disclaimer .guide-body a,
.page-disclaimer .panel__body a {
  color: var(--deep-3);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-disclaimer .guide-body a:hover,
.page-disclaimer .panel__body a:hover,
.page-disclaimer .guide-body a:focus-visible,
.page-disclaimer .panel__body a:focus-visible {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ---------- 清单 ---------- */

.page-disclaimer .checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .checklist li {
  padding: 14px 16px;
  background: #ffffff;
  font-size: 14.5px;
  line-height: 1.75;
  color: #33465a;
}

.page-disclaimer .checklist li strong {
  display: inline-block;
  min-width: 72px;
  margin-right: 8px;
  font-weight: 700;
  color: var(--deep-1);
}

/* ---------- 通道对照 ---------- */

.page-disclaimer .channel-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-disclaimer .channel-col {
  padding: 20px 18px 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--steel);
}

.page-disclaimer .channel-col--stable {
  border-top-color: var(--cyan);
}

.page-disclaimer .channel-col--fresh {
  border-top-color: var(--orange);
}

.page-disclaimer .channel-col h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--deep-1);
}

.page-disclaimer .channel-col__tag {
  margin: 6px 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #6b7f93;
}

.page-disclaimer .channel-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .channel-col li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.7;
  color: #33465a;
}

.page-disclaimer .channel-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  background: var(--steel);
}

.page-disclaimer .channel-col--stable li::before {
  background: var(--cyan);
}

.page-disclaimer .channel-col--fresh li::before {
  background: var(--orange);
}

/* ---------- 图 ---------- */

.page-disclaimer .guide-figure {
  margin: 22px 0 0;
}

.page-disclaimer .guide-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--deep-1);
  border: 1px solid var(--line);
}

.page-disclaimer .guide-figure .figure__caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #5a6f85;
}

/* ---------- 折叠面板 ---------- */

.page-disclaimer .panel {
  margin-top: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
}

.page-disclaimer .panel__head {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--deep-1);
  cursor: pointer;
}

.page-disclaimer .panel__head::after {
  content: "＋";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  color: var(--deep-3);
}

.page-disclaimer .panel__head[aria-expanded="true"]::after {
  content: "－";
}

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

.page-disclaimer .panel__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .panel__body p {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: #33465a;
}

/* ---------- 覆盖范围数字 ---------- */

.page-disclaimer .scope-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .scope-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--card);
}

.page-disclaimer .scope-facts__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--deep-1);
}

.page-disclaimer .scope-facts__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: #40566c;
}

.page-disclaimer .scope-facts + .guide-body {
  margin-top: 22px;
}

/* ---------- 反馈步骤 ---------- */

.page-disclaimer .feedback-steps {
  list-style: none;
  counter-reset: none;
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .feedback-steps li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: #ffffff;
}

.page-disclaimer .feedback-steps__no {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--deep-3);
}

.page-disclaimer .feedback-steps li div {
  font-size: 14.5px;
  line-height: 1.7;
  color: #33465a;
}

.page-disclaimer .feedback-steps li strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--deep-1);
}

/* ---------- 底部入口 ---------- */

.page-disclaimer .guide-links {
  display: grid;
  gap: 1px;
  max-width: var(--disc-max);
  margin: 48px auto 0;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .guide-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px var(--pad-x);
  background: #ffffff;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--deep-1);
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-disclaimer .guide-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-disclaimer .guide-links a:hover,
.page-disclaimer .guide-links a:focus-visible {
  background: var(--deep-2);
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .guide-hero {
    padding-top: 40px;
  }

  .page-disclaimer .guide-hero__facts {
    gap: 16px 56px;
  }

  .page-disclaimer .chapter-strip {
    gap: 10px;
  }

  .page-disclaimer .guide-section {
    padding-top: 56px;
    margin-top: 56px;
  }

  .page-disclaimer .channel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--line);
  }

  .page-disclaimer .channel-col {
    border: 0;
  }

  .page-disclaimer .channel-col--stable {
    border-right: 1px solid var(--line);
  }

  .page-disclaimer .scope-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .checklist li {
    display: flex;
    align-items: baseline;
  }

  .page-disclaimer .guide-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .guide-hero {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 48px;
    align-items: start;
  }

  .page-disclaimer .guide-hero__eyebrow,
  .page-disclaimer .guide-hero h1,
  .page-disclaimer .guide-hero__lead {
    grid-column: 1;
  }

  .page-disclaimer .guide-hero__facts {
    grid-column: 2;
    grid-row: 1 / span 3;
    flex-direction: column;
    gap: 18px;
    margin-top: 4px;
    padding: 18px 20px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: #ffffff;
  }

  .page-disclaimer .guide-hero__facts li {
    min-width: 0;
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
  }

  .page-disclaimer .guide-hero__num {
    font-size: 24px;
    min-width: 72px;
  }
}