.page-disclaimer {
  --text-soft: rgba(229, 242, 255, 0.84);
  --text-faint: rgba(148, 163, 184, 0.92);
  --panel: rgba(17, 24, 39, 0.6);
  color: var(--ice);
  padding-bottom: 3.5rem;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .instructions-hero {
  position: relative;
  padding: 1.4rem 0 0;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-disclaimer .instructions-hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 460px;
  background-image:
    repeating-linear-gradient(0deg, rgba(34, 211, 238, 0.07) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(34, 211, 238, 0.07) 0 1px, transparent 1px 44px);
  -webkit-mask-image: radial-gradient(68% 100% at 72% 0%, #000, transparent 74%);
  mask-image: radial-gradient(68% 100% at 72% 0%, #000, transparent 74%);
  pointer-events: none;
}

.page-disclaimer .instructions-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--slate);
}

.page-disclaimer .breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-disclaimer .breadcrumbs__sep {
  color: rgba(148, 163, 184, 0.55);
}

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--ice);
}

.page-disclaimer .instructions-hero__grid {
  display: grid;
  gap: 1.6rem;
}

.page-disclaimer h1 {
  margin: 0 0 0.9rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 7.2vw, 3.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--ice);
}

.page-disclaimer .instructions-hero__lead .lead {
  max-width: 60ch;
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-disclaimer .hero-spec {
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem 1.15rem;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-disclaimer .hero-spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed rgba(34, 211, 238, 0.16);
}

.page-disclaimer .hero-spec__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .hero-spec__key {
  font-size: 0.83rem;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-disclaimer .hero-spec__val {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-disclaimer .instructions-hero__media {
  margin: 1.8rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .instructions-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 四步带 ---------- */
.page-disclaimer .instructions-flow {
  padding-top: 2.6rem;
  padding-bottom: 0.8rem;
}

.page-disclaimer .section-head {
  margin-bottom: 1.4rem;
}

.page-disclaimer .section-note {
  color: var(--text-faint);
}

.page-disclaimer .rail-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: rail;
}

.page-disclaimer .rail-step {
  position: relative;
  padding: 1rem 1rem 1rem 3.7rem;
  counter-increment: rail;
  background: linear-gradient(158deg, rgba(34, 211, 238, 0.1), rgba(7, 11, 20, 0.42));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  border-radius: 10px;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-disclaimer .rail-step:hover {
  border-color: var(--line);
  border-left-color: var(--orange);
  transform: translateY(-2px);
}

.page-disclaimer .rail-step::before {
  content: counter(rail, decimal-leading-zero);
  position: absolute;
  left: 0.95rem;
  top: 0.95rem;
  font-family: var(--mono);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-disclaimer .rail-step__title {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-disclaimer .rail-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-faint);
}

/* ---------- 章节速览 ---------- */
.page-disclaimer .toc {
  margin-top: 2.2rem;
  padding: 1rem 1.15rem 1.15rem;
  display: grid;
  gap: 0.75rem;
  background: linear-gradient(150deg, rgba(11, 27, 58, 0.62), rgba(7, 18, 38, 0.42));
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.page-disclaimer .toc__label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-disclaimer .toc__list a {
  display: inline-block;
  padding: 0.4rem 0.82rem;
  font-size: 0.84rem;
  color: var(--ice);
  text-decoration: none;
  background: rgba(229, 242, 255, 0.04);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .toc__list a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

/* ---------- 手册式章节 ---------- */
.page-disclaimer .manual-section {
  padding-top: 2.4rem;
  padding-bottom: 2.4rem;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .manual-section:first-of-type {
  border-top: 0;
}

.page-disclaimer .manual-block {
  display: grid;
  gap: 0.85rem;
}

.page-disclaimer .manual-block__index {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 10vw, 3.5rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

@supports (-webkit-text-stroke: 1px red) {
  .page-disclaimer .manual-block__index {
    color: transparent;
    -webkit-text-stroke: 1.4px var(--cyan);
  }
}

.page-disclaimer .manual-block__body {
  min-width: 0;
}

.page-disclaimer .manual-block__title {
  position: relative;
  margin: 0 0 0.9rem;
  padding-left: 1rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 4.4vw, 1.75rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--ice);
}

.page-disclaimer .manual-block__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 107, 44, 0));
  transform: skewX(-14deg);
}

.page-disclaimer .manual-block__body > p {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  line-height: 1.68;
  color: var(--text-soft);
}

.page-disclaimer .manual-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .manual-list li {
  position: relative;
  padding-left: 1.45rem;
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--text-soft);
}

.page-disclaimer .manual-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  opacity: 0.85;
  transform: rotate(45deg);
}

.page-disclaimer .manual-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
}

.page-disclaimer .manual-list a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 107, 44, 0.55);
}

.page-disclaimer .callout {
  margin-top: 1.35rem;
  font-size: 0.93rem;
  line-height: 1.62;
}

/* ---------- 标签页 ---------- */
.page-disclaimer .tabs {
  margin-top: 1.5rem;
}

.page-disclaimer .tabs__list {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.page-disclaimer .tab {
  flex: 0 0 auto;
  padding: 0.55rem 1.05rem;
  font-family: var(--body);
  font-size: 0.87rem;
  color: var(--slate);
  background: rgba(229, 242, 255, 0.04);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .tab:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .tab[aria-selected="true"] {
  color: var(--ink);
  font-weight: 700;
  background: var(--orange);
  border-color: var(--orange);
}

.page-disclaimer .tabs__panel {
  margin-top: 0.9rem;
  padding: 1.05rem 1.15rem;
  background: linear-gradient(150deg, rgba(11, 27, 58, 0.72), rgba(7, 18, 38, 0.52));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-disclaimer .tabs__panel-title {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-disclaimer .tabs__panel p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.62;
  color: var(--text-soft);
}

/* ---------- 可展开步骤 ---------- */
.page-disclaimer .manual-fold {
  margin-top: 1.4rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .manual-fold > summary {
  position: relative;
  padding: 0.95rem 1.1rem 0.95rem 2.5rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ice);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .manual-fold > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .manual-fold > summary::before {
  content: "+";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-52%);
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--orange);
}

.page-disclaimer .manual-fold[open] > summary::before {
  content: "–";
}

.page-disclaimer .manual-fold__list {
  margin: 0;
  padding: 0 1.15rem 1.15rem 2.75rem;
  display: grid;
  gap: 0.5rem;
  font-size: 0.93rem;
  line-height: 1.62;
  color: var(--text-soft);
}

.page-disclaimer .manual-fold__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
}

/* ---------- 联系卡组 ---------- */
.page-disclaimer .manual-section--last {
  padding-bottom: 3rem;
}

.page-disclaimer .help-strip {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.page-disclaimer .help-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  background: rgba(17, 24, 39, 0.62);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-disclaimer .help-card:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}

.page-disclaimer .help-card__label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .help-card__value {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ice);
  word-break: break-all;
}

.page-disclaimer .help-card__link {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  justify-self: start;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .help-card__link:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 107, 44, 0.55);
}

.page-disclaimer .to-top {
  display: inline-block;
  margin-top: 2rem;
  padding-bottom: 0.15rem;
  font-size: 0.85rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .to-top:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .rail-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .instructions-hero {
    padding-top: 2rem;
  }

  .page-disclaimer .instructions-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.85fr);
    gap: 2.6rem;
    align-items: end;
  }

  .page-disclaimer .rail-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .page-disclaimer .manual-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .page-disclaimer .manual-block {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-disclaimer .manual-block__index {
    padding-top: 0.2rem;
    border-right: 1px solid var(--line-soft);
    padding-right: 1.2rem;
  }

  .page-disclaimer .manual-list li {
    font-size: 0.98rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rail-step,
  .page-disclaimer .help-card,
  .page-disclaimer .toc__list a {
    transition: none;
  }

  .page-disclaimer .rail-step:hover,
  .page-disclaimer .help-card:hover,
  .page-disclaimer .toc__list a:hover {
    transform: none;
  }
}