.page-disclaimer {
  --step-line: rgba(53, 214, 230, 0.3);
  --card-pad: clamp(18px, 2.6vw, 30px);
  background: var(--c-abyss);
  color: var(--c-mist);
  padding-bottom: clamp(46px, 7vw, 96px);
}

.page-disclaimer [id] {
  scroll-margin-top: calc(var(--header-offset) + 14px);
}

.page-disclaimer .guide-crumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .guide-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(26px, 4.5vw, 52px) clamp(30px, 4.5vw, 56px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(760px 380px at 90% -10%, rgba(53, 214, 230, 0.15), transparent 64%),
    radial-gradient(520px 340px at 4% 108%, rgba(242, 180, 92, 0.1), transparent 62%),
    var(--c-abyss);
}

.page-disclaimer .guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(to right, rgba(154, 243, 248, 0.05) 1px, transparent 1px);
  background-size: 88px 100%;
  pointer-events: none;
}

.page-disclaimer .guide-hero .eyebrow {
  margin: 0;
  color: var(--c-amber);
}

.page-disclaimer .guide-hero .display-title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: var(--c-mist);
}

.page-disclaimer .guide-hero .lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(0.94rem, 1.5vw, 1.02rem);
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.76);
}

.page-disclaimer .guide-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .guide-hero__figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-deep);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .guide-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 四步总览条 ---------- */
.page-disclaimer .route-strip {
  list-style: none;
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .route-strip__item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "num link"
    "num note";
  column-gap: 14px;
  row-gap: 3px;
  padding: 15px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .route-strip__item:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
}

.page-disclaimer .route-strip__num {
  grid-area: num;
  align-self: start;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  color: var(--c-cyan);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.page-disclaimer .route-strip__link {
  grid-area: link;
  align-self: end;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .route-strip__link:hover {
  color: var(--c-cyan);
}

.page-disclaimer .route-strip__note {
  grid-area: note;
  font-size: 0.8rem;
  line-height: 1.62;
  color: var(--c-steel);
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .guide-body {
  display: grid;
  gap: 22px;
  padding-block: clamp(32px, 5vw, 62px) 0;
}

.page-disclaimer .guide-body__main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-disclaimer .guide-body .index-rail {
  display: none;
}

/* ---------- 章节 ---------- */
.page-disclaimer .guide-section {
  position: relative;
  padding: var(--card-pad);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(10, 34, 55, 0.78), rgba(5, 17, 31, 0.55));
  box-shadow: inset 0 1px 0 rgba(154, 243, 248, 0.06);
}

.page-disclaimer .guide-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 36px;
  height: 2px;
  background: var(--c-cyan);
}

.page-disclaimer .guide-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .guide-section__num {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-amber);
}

.page-disclaimer .guide-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.16rem, 3.6vw, 1.6rem);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: 0.005em;
  color: var(--c-mist);
}

.page-disclaimer .guide-section h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-cyan-soft);
}

.page-disclaimer .guide-section p {
  margin: 0 0 12px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(234, 242, 246, 0.86);
}

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

.page-disclaimer .guide-section p a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line-strong);
}

.page-disclaimer .guide-section p a:hover {
  color: var(--c-cyan-soft);
}

.page-disclaimer .em-a {
  color: var(--c-amber);
  letter-spacing: 0.03em;
}

/* ---------- 步骤列表 ---------- */
.page-disclaimer .step-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .step-list__item {
  position: relative;
  padding-left: 46px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: rgba(234, 242, 246, 0.84);
}

.page-disclaimer .step-list__num {
  position: absolute;
  left: 0;
  top: 2px;
  padding: 2px 6px;
  border: 1px solid var(--c-line-strong);
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

/* ---------- 版本字段卡 ---------- */
.page-disclaimer .field-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-disclaimer .field-card {
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(18, 58, 85, 0.36);
}

.page-disclaimer .field-card__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--c-steel);
}

.page-disclaimer .field-card__val {
  display: block;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-disclaimer .field-card__val--amber {
  color: var(--c-amber);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
}

/* ---------- 两端差异 ---------- */
.page-disclaimer .diff-grid {
  display: grid;
  gap: 12px;
  margin: 16px 0 18px;
}

.page-disclaimer .diff-card {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  background: rgba(18, 58, 85, 0.3);
}

.page-disclaimer .diff-card--mobile {
  border-left-color: var(--c-amber);
}

.page-disclaimer .dot-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .dot-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--c-steel);
}

.page-disclaimer .dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-disclaimer .diff-card--mobile .dot-list li::before {
  background: var(--c-amber);
}

/* ---------- 标签行 ---------- */
.page-disclaimer .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

/* ---------- 提示条 ---------- */
.page-disclaimer .guide-section .notice {
  margin-top: 16px;
}

.page-disclaimer .guide-section .notice p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(255, 215, 154, 0.9);
}

.page-disclaimer .guide-section .notice strong {
  color: var(--c-amber-soft);
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .contact-grid {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .contact-card {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(10, 34, 55, 0.62);
}

.page-disclaimer .contact-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--c-steel);
}

.page-disclaimer .contact-card__val {
  display: block;
  margin-top: 8px;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--c-mist);
  word-break: break-word;
  text-decoration: none;
}

.page-disclaimer a.contact-card__val {
  color: var(--c-cyan);
  border-bottom: 1px solid var(--c-line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-disclaimer a.contact-card__val:hover {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-line-strong);
}

.page-disclaimer .guide-section > .btn {
  margin-top: 16px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .field-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .diff-grid,
  .page-disclaimer .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .route-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-disclaimer .route-strip__item {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "num"
      "link"
      "note";
    row-gap: 10px;
    padding: 20px 18px;
    align-content: start;
  }

  .page-disclaimer .route-strip__num {
    width: 40px;
    height: 40px;
    font-size: 0.72rem;
  }

  .page-disclaimer .guide-hero .display-title {
    max-width: 26ch;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .guide-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-disclaimer .guide-body .index-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-offset) + 18px);
  }

  .page-disclaimer .guide-body__main {
    gap: 20px;
  }

  .page-disclaimer .guide-section {
    padding: clamp(24px, 2.2vw, 34px);
  }

  .page-disclaimer .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 26px;
  }
}