.page-disclaimer {
  --disc-cut: 18px;
  --disc-axis: rgba(63, 224, 208, .22);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding-top: 6px;
}

.page-disclaimer .disc-hero__inner {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-disclaimer .disc-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(1.85rem, 4.6vw, 2.95rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-disclaimer .disc-hero__copy .lede {
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
}

.page-disclaimer .disc-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-600);
  background:
    linear-gradient(140deg, rgba(63, 224, 208, .16), rgba(63, 224, 208, 0) 58%),
    var(--ink-700);
  clip-path: polygon(
    0 0,
    calc(100% - var(--disc-cut)) 0,
    100% var(--disc-cut),
    100% 100%,
    var(--disc-cut) 100%,
    0 calc(100% - var(--disc-cut))
  );
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-disclaimer .disc-hero__figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 48%;
  background: linear-gradient(180deg, rgba(6, 10, 20, 0), rgba(6, 10, 20, .82));
  pointer-events: none;
}

/* ---------- 章节索引条 ---------- */
.page-disclaimer .disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--ink-600);
}

.page-disclaimer .disc-index__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--ink-600);
  border-radius: 999px;
  color: var(--mist);
  font-size: .9rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .disc-index__item .mono {
  color: var(--cyan);
  font-size: .8rem;
  letter-spacing: .06em;
}

.page-disclaimer .disc-index__item:hover,
.page-disclaimer .disc-index__item:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 索引式章节流 ---------- */
.page-disclaimer .disc-guide {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-guide__item {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 30px 0;
  border-top: 1px solid var(--ink-600);
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-guide__item:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-disclaimer .disc-guide__marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  width: 56px;
  height: 56px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 1rem;
  letter-spacing: .08em;
  background:
    linear-gradient(150deg, rgba(63, 224, 208, .18), rgba(63, 224, 208, 0) 68%),
    var(--ink-700);
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}

.page-disclaimer .disc-guide__title {
  margin: 0 0 12px;
  font-size: clamp(1.22rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .008em;
  color: var(--paper);
}

.page-disclaimer .disc-guide__body p {
  margin: 0 0 16px;
  color: var(--mist);
  line-height: 1.85;
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding: 9px 14px 9px 28px;
  border-left: 2px solid transparent;
  color: var(--mist);
  line-height: 1.75;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 1.15em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .disc-list li:hover {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(63, 224, 208, .07);
}

.page-disclaimer .disc-inline-link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px dashed rgba(127, 240, 228, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-inline-link:hover,
.page-disclaimer .disc-inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--amber);
}

/* ---------- 页尾提示 ---------- */
.page-disclaimer .disc-final {
  padding-top: 0;
}

.page-disclaimer .disc-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 22px;
  border: 1px dashed rgba(255, 138, 61, .55);
  background:
    linear-gradient(120deg, rgba(255, 138, 61, .12), rgba(255, 138, 61, 0) 62%),
    var(--ink-700);
  clip-path: polygon(
    0 0,
    calc(100% - 20px) 0,
    100% 20px,
    100% 100%,
    20px 100%,
    0 calc(100% - 20px)
  );
}

.page-disclaimer .disc-callout__text {
  margin: 0;
  color: var(--paper);
  font-size: 1.02rem;
  line-height: 1.7;
}

.page-disclaimer .disc-callout__btn {
  flex: 0 0 auto;
}

.page-disclaimer .disc-callout__arrow {
  margin-left: 8px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .disc-callout__btn:hover .disc-callout__arrow,
.page-disclaimer .disc-callout__btn:focus-visible .disc-callout__arrow {
  transform: translateX(4px);
}

/* ---------- 大屏：双栏首屏 + 索引轴 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .disc-guide__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 30px;
    padding: 40px 0;
  }

  .page-disclaimer .disc-guide__item:first-child {
    padding-top: 12px;
  }

  .page-disclaimer .disc-guide__item::before {
    content: "";
    position: absolute;
    left: 27px;
    top: 96px;
    bottom: -1px;
    border-left: 1px dashed var(--disc-axis);
    pointer-events: none;
  }

  .page-disclaimer .disc-guide__item:last-child::before {
    display: none;
  }
}

@media (min-width: 940px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 46px;
  }

  .page-disclaimer .disc-index {
    margin-top: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__item,
  .page-disclaimer .disc-list li,
  .page-disclaimer .disc-callout__arrow {
    transition: none;
  }

  .page-disclaimer .disc-index__item:hover,
  .page-disclaimer .disc-index__item:focus-visible {
    transform: none;
  }

  .page-disclaimer .disc-callout__btn:hover .disc-callout__arrow,
  .page-disclaimer .disc-callout__btn:focus-visible .disc-callout__arrow {
    transform: none;
  }
}