.page-disclaimer {
  --disc-line: rgba(124, 147, 168, 0.28);
  --disc-gap: clamp(18px, 3vw, 28px);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 128px);
  background:
    radial-gradient(120% 58% at 8% -10%, rgba(47, 230, 200, 0.10), transparent 58%),
    radial-gradient(95% 46% at 96% 0%, rgba(53, 167, 255, 0.12), transparent 60%);
}

/* ---------- 首屏：不对称手册封面 ---------- */
.page-disclaimer .manual-hero {
  padding-top: clamp(22px, 4.5vw, 46px);
}

.page-disclaimer .manual-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-disclaimer .manual-hero__head {
  display: grid;
  gap: 14px;
  align-content: start;
  max-width: 780px;
}

.page-disclaimer .breadcrumb__list {
  flex-wrap: wrap;
}

.page-disclaimer .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .manual-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(29px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 18ch;
}

.page-disclaimer .manual-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-disclaimer .manual-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* 目录卡 */
.page-disclaimer .manual-hero__toc {
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(18, 48, 78, 0.78), rgba(11, 30, 51, 0.6));
  box-shadow: var(--shadow-panel);
}

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

.page-disclaimer .manual-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .manual-toc__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-s);
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.55;
  text-decoration: none;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-disclaimer .manual-toc__link:hover,
.page-disclaimer .manual-toc__link:focus-visible {
  background: rgba(47, 230, 200, 0.09);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-disclaimer .manual-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* 首屏视觉 */
.page-disclaimer .manual-hero__figure {
  margin: 0;
}

.page-disclaimer .manual-hero__figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, #0E2740, #12304E 55%, #0B1E33);
}

.page-disclaimer .manual-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 手册主体 ---------- */
.page-disclaimer .manual-body {
  padding-top: clamp(34px, 6vw, 70px);
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-disclaimer .manual-flow {
  display: grid;
  gap: var(--disc-gap);
  max-width: 880px;
  min-width: 0;
}

/* 面板 */
.page-disclaimer .manual-panel {
  position: relative;
  scroll-margin-top: 110px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(155deg, rgba(18, 48, 78, 0.74), rgba(11, 30, 51, 0.56));
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .manual-panel + .manual-panel::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: calc(var(--disc-gap) / -2);
  border-top: 1px dashed var(--disc-line);
}

.page-disclaimer .manual-panel__head {
  display: flex;
  gap: clamp(12px, 2vw, 20px);
  align-items: flex-start;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--disc-line);
}

.page-disclaimer .manual-panel__num {
  flex: 0 0 auto;
  min-width: 48px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 26px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.05em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-disclaimer .manual-panel__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.5vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--mist);
}

.page-disclaimer .manual-panel__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-disclaimer .manual-panel__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .manual-inline-link {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: rgba(53, 167, 255, 0.45);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-disclaimer .manual-inline-link:hover,
.page-disclaimer .manual-inline-link:focus-visible {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

/* 编号步骤 */
.page-disclaimer .manual-steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: disc-step;
  display: grid;
  gap: 12px;
}

.page-disclaimer .manual-steps > li {
  position: relative;
  padding: 14px 16px 14px 48px;
  counter-increment: disc-step;
  border: 1px solid rgba(53, 167, 255, 0.14);
  border-radius: var(--radius-s);
  background: rgba(53, 167, 255, 0.055);
}

.page-disclaimer .manual-steps > li::before {
  content: counter(disc-step, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--coral);
  border: 1px solid rgba(255, 122, 89, 0.42);
  border-radius: 50%;
  background: rgba(255, 122, 89, 0.13);
}

.page-disclaimer .manual-steps__k {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--mist);
}

.page-disclaimer .manual-steps__d {
  display: block;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-dim);
}

.page-disclaimer .manual-note {
  margin-top: 16px;
  padding: 12px 15px;
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-s);
  background: rgba(255, 201, 77, 0.08);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist-dim);
}

/* 手册页脚快捷入口 */
.page-disclaimer .manual-foot {
  margin-top: clamp(8px, 2vw, 16px);
  padding-top: 22px;
  border-top: 1px dashed var(--disc-line);
  display: grid;
  gap: 18px;
}

.page-disclaimer .manual-foot__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .manual-foot__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 右侧阅读进度 ---------- */
.page-disclaimer .manual-rail {
  display: none;
}

.page-disclaimer .manual-rail__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-disclaimer .manual-rail__track {
  position: relative;
  width: 2px;
  height: 200px;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(124, 147, 168, 0.28);
}

.page-disclaimer .manual-rail__bar {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: 2px;
  transform-origin: 50% 0;
  transform: scaleY(0.06);
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

@supports (animation-timeline: scroll()) {
  .page-disclaimer .manual-rail__bar {
    animation: disclaimer-rail-grow linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes disclaimer-rail-grow {
  from { transform: scaleY(0.04); }
  to { transform: scaleY(1); }
}

.page-disclaimer .manual-rail__nav {
  margin-top: 14px;
  display: grid;
  gap: 6px;
}

.page-disclaimer .manual-rail__link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  padding: 3px 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-disclaimer .manual-rail__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: inherit;
}

.page-disclaimer .manual-rail__link:hover,
.page-disclaimer .manual-rail__link:focus-visible {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .manual-hero__toc {
    max-width: 520px;
  }
}

@media (min-width: 920px) {
  .page-disclaimer .manual-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    grid-template-areas:
      "head toc"
      "figure figure";
    align-items: start;
  }

  .page-disclaimer .manual-hero__head { grid-area: head; }
  .page-disclaimer .manual-hero__toc { grid-area: toc; max-width: none; }
  .page-disclaimer .manual-hero__figure { grid-area: figure; }

  .page-disclaimer .manual-foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .manual-body {
    grid-template-columns: minmax(0, 1fr) 190px;
    align-items: start;
  }

  .page-disclaimer .manual-rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
    padding-left: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .manual-toc__link,
  .page-disclaimer .manual-inline-link,
  .page-disclaimer .manual-rail__link {
    transition: none;
  }

  .page-disclaimer .manual-rail__bar {
    animation: none;
    transform: scaleY(1);
  }
}