.page-disclaimer {
  --rail-w: 84px;
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-disclaimer .breadcrumbs {
  margin-top: clamp(18px, 3vw, 34px);
}

/* ---------- 页首声明 ---------- */
.page-disclaimer .usage-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: clamp(26px, 5vw, 52px) 0 clamp(26px, 4vw, 44px);
}

.page-disclaimer .usage-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-disclaimer .usage-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--neon);
}

.page-disclaimer h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 78px);
  line-height: 1.03;
  letter-spacing: -0.012em;
  color: var(--text);
  max-width: 18ch;
}

.page-disclaimer h1 em {
  font-style: normal;
  color: var(--neon);
}

.page-disclaimer .usage-head .lede {
  max-width: 620px;
  margin: 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.82;
  color: var(--muted);
}

.page-disclaimer .usage-side {
  display: none;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .usage-banner {
  margin: 0 0 clamp(30px, 5.5vw, 56px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-green);
}

.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-disclaimer .usage-banner__cap {
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节刻度跳转 ---------- */
.page-disclaimer .usage-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(14px, 2.5vw, 24px);
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .usage-jump__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--line-green);
  transition: color 0.2s ease;
}

.page-disclaimer .usage-jump__item:hover,
.page-disclaimer .usage-jump__item:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
  background: rgba(59, 242, 200, 0.07);
}

.page-disclaimer .usage-jump__item:hover .usage-jump__num,
.page-disclaimer .usage-jump__item:focus-visible .usage-jump__num {
  color: var(--shot);
}

/* ---------- 七个短节 ---------- */
.page-disclaimer .guide-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .guide-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(26px, 5vw, 46px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: background-color 0.25s ease;
}

.page-disclaimer .guide-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .guide-rail {
  display: flex;
  align-items: baseline;
}

.page-disclaimer .guide-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--line-green);
  transition: color 0.22s ease;
}

.page-disclaimer .guide-item:target .guide-num,
.page-disclaimer .guide-item:hover .guide-num {
  color: var(--neon);
}

.page-disclaimer .guide-body {
  min-width: 0;
}

.page-disclaimer .guide-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4vw, 33px);
  line-height: 1.16;
  color: var(--text);
}

.page-disclaimer .guide-body p {
  max-width: 620px;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  overflow-wrap: anywhere;
}

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

.page-disclaimer .guide-lead {
  font-size: 17px !important;
  letter-spacing: 0.014em;
  color: var(--mist) !important;
}

.page-disclaimer .guide-body a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 242, 200, 0.42);
}

.page-disclaimer .guide-body a:hover {
  border-bottom-color: var(--neon);
}

/* ---------- 底部反馈横带 ---------- */
.page-disclaimer .feedback-band {
  position: relative;
  margin-top: clamp(38px, 7vw, 76px);
  padding: clamp(24px, 4.6vw, 46px);
  border: 1px solid var(--line-green);
  border-left: 3px solid var(--shot);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(118deg, rgba(255, 106, 61, 0.12) 0%, rgba(18, 54, 48, 0.55) 48%, rgba(5, 19, 15, 0) 100%),
    var(--stand-green);
  transition: border-top-color 0.25s ease, border-right-color 0.25s ease, border-bottom-color 0.25s ease;
}

.page-disclaimer .feedback-band:hover {
  border-top-color: var(--neon);
  border-right-color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-disclaimer .feedback-band__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--shot);
}

.page-disclaimer .feedback-band__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--shot);
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.18);
}

.page-disclaimer .feedback-band__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  color: var(--text);
  max-width: 22ch;
}

.page-disclaimer .feedback-band p {
  max-width: 620px;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer a:focus-visible,
.page-disclaimer .btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .guide-item {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 52px);
  }

  .page-disclaimer .guide-num {
    font-size: 26px;
  }

  .page-disclaimer .guide-title {
    margin-top: -6px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .usage-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    column-gap: 56px;
  }

  .page-disclaimer .usage-side {
    display: block;
    margin: 0 0 8px;
    padding-right: 10px;
    border-right: 1px solid var(--line-soft);
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--muted);
  }

  .page-disclaimer .guide-item {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .page-disclaimer .guide-num {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .guide-item,
  .page-disclaimer .guide-num,
  .page-disclaimer .usage-jump__item,
  .page-disclaimer .usage-jump__num,
  .page-disclaimer .feedback-band {
    transition: none;
  }
}