.page-disclaimer {
  --rail-w: 52px;
  --disc-body: rgba(232, 241, 255, 0.82);
  --disc-edge: rgba(34, 224, 255, 0.28);

  background:
    radial-gradient(120% 55% at 84% 0%, rgba(34, 224, 255, 0.1) 0%, rgba(5, 11, 26, 0) 62%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-900) 100%);
  color: var(--white-100);
  padding: 30px 0 78px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
}

.page-disclaimer .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--mist-400);
  margin-bottom: 30px;
}

.page-disclaimer .crumbs a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-disclaimer .crumbs span[aria-hidden] {
  color: var(--steel-600);
}

.page-disclaimer .label {
  color: var(--cyan-400);
  margin: 0 0 16px;
}

.page-disclaimer .heading-xl {
  color: var(--white-100);
  margin: 0 0 22px;
  max-width: 22ch;
}

.page-disclaimer .disc-lede {
  max-width: 64ch;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--disc-body);
  margin: 0;
}

.page-disclaimer .disc-banner {
  margin: 40px 0 0;
  border: 1px solid var(--steel-600);
  box-shadow: var(--shadow-hard);
}

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

/* ---------- 三条前提带 ---------- */
.page-disclaimer .premise-band {
  margin-top: 66px;
  background: linear-gradient(102deg, rgba(18, 58, 107, 0.92) 0%, rgba(10, 26, 51, 0.92) 68%, rgba(5, 11, 26, 0.92) 100%);
  border-top: 1px solid var(--steel-600);
  border-bottom: 1px solid var(--steel-600);
  transform: skewY(-1.1deg);
  padding: 26px 0;
}

.page-disclaimer .premise-band__inner {
  transform: skewY(1.1deg);
}

.page-disclaimer .premise-band__grid {
  display: grid;
  gap: 22px;
}

.page-disclaimer .premise {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-disclaimer .premise__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--steel-600);
  color: var(--cyan-400);
  background: rgba(5, 11, 26, 0.55);
}

.page-disclaimer .premise:nth-child(2) .premise__icon {
  color: var(--green-400);
}

.page-disclaimer .premise:nth-child(3) .premise__icon {
  color: var(--orange-500);
}

.page-disclaimer .premise__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-disclaimer .premise__title {
  margin: 0 0 8px;
  font-size: var(--fs-18);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-disclaimer .premise__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--disc-body);
}

/* ---------- 刻度式条款单栏 ---------- */
.page-disclaimer .spec-sheet {
  position: relative;
  margin-top: 76px;
}

.page-disclaimer .spec-sheet::before {
  content: "";
  position: absolute;
  left: calc(var(--rail-w) / 2 - 0.5px);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    180deg,
    rgba(34, 224, 255, 0) 0%,
    rgba(34, 224, 255, 0.5) 6%,
    rgba(34, 224, 255, 0.5) 94%,
    rgba(34, 224, 255, 0) 100%
  );
}

.page-disclaimer .spec {
  position: relative;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  padding: 38px 0 42px;
  border-top: 1px solid rgba(42, 74, 117, 0.85);
}

.page-disclaimer .spec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .spec-rail {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 26px;
}

.page-disclaimer .spec-rail::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 1px;
  background: var(--steel-600);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-disclaimer .spec-no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist-400);
  opacity: 0.55;
  transition: color 0.2s ease, opacity 0.2s ease, text-shadow 0.2s ease;
}

.page-disclaimer .spec:hover .spec-no,
.page-disclaimer .spec:focus-within .spec-no {
  color: var(--cyan-400);
  opacity: 1;
  text-shadow: 0 0 12px rgba(34, 224, 255, 0.6);
}

.page-disclaimer .spec:hover .spec-rail::before,
.page-disclaimer .spec:focus-within .spec-rail::before {
  background: var(--cyan-400);
  box-shadow: 0 0 12px rgba(34, 224, 255, 0.7);
}

.page-disclaimer .spec-body {
  padding-left: clamp(10px, 2vw, 26px);
  max-width: 74ch;
}

.page-disclaimer .spec-body h2 {
  margin: 0 0 18px;
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--white-100);
}

.page-disclaimer .spec-body p {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--disc-body);
  max-width: 68ch;
}

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

.page-disclaimer .spec-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .spec-list li {
  position: relative;
  padding-left: 24px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--disc-body);
}

.page-disclaimer .spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 12px;
  height: 1px;
  background: var(--cyan-400);
}

.page-disclaimer .spec-key {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-variant-numeric: tabular-nums;
  color: var(--green-400);
  letter-spacing: 0.02em;
}

.page-disclaimer .spec-body .link-arrow {
  color: var(--cyan-400);
}

/* ---------- 折叠说明 ---------- */
.page-disclaimer .rule-fold {
  margin-top: 20px;
  border: 1px solid var(--steel-600);
  background: rgba(10, 26, 51, 0.6);
}

.page-disclaimer .rule-fold summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

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

.page-disclaimer .rule-fold summary::before {
  content: "";
  width: 3px;
  height: 15px;
  background: var(--cyan-400);
  transition: background 0.2s ease, height 0.2s ease;
}

.page-disclaimer .rule-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  line-height: 1;
  color: var(--mist-400);
  transition: color 0.2s ease;
}

.page-disclaimer .rule-fold[open] summary::before {
  background: var(--green-400);
  height: 20px;
}

.page-disclaimer .rule-fold[open] summary::after {
  content: "-";
  color: var(--green-400);
}

.page-disclaimer .rule-fold summary:hover,
.page-disclaimer .rule-fold summary:focus-visible {
  color: var(--green-400);
}

.page-disclaimer .rule-fold__body {
  padding: 2px 18px 18px;
  border-top: 1px solid rgba(42, 74, 117, 0.7);
}

.page-disclaimer .rule-fold__body p {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--disc-body);
}

.page-disclaimer .rule-fold__body .spec-list {
  margin: 14px 0 0;
}

.page-disclaimer .rule-fold__body .spec-list li {
  font-size: var(--fs-14);
}

/* ---------- 底部快捷入口 ---------- */
.page-disclaimer .disc-actions {
  margin-top: 64px;
  border: 1px solid var(--steel-600);
  background: linear-gradient(118deg, rgba(18, 58, 107, 0.62) 0%, rgba(5, 11, 26, 0.5) 100%);
  padding: 26px clamp(18px, 3vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.page-disclaimer .disc-actions__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--disc-body);
  max-width: 56ch;
}

.page-disclaimer .disc-actions__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 420px) {
  .page-disclaimer {
    --rail-w: 40px;
  }

  .page-disclaimer .spec-rail::before {
    width: 18px;
  }

  .page-disclaimer .spec-list li {
    padding-left: 18px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer {
    --rail-w: 96px;
    padding-top: 42px;
  }

  .page-disclaimer .premise-band {
    transform: skewY(-1.6deg);
    padding: 30px 0;
  }

  .page-disclaimer .premise-band__inner {
    transform: skewY(1.6deg);
  }

  .page-disclaimer .premise-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-disclaimer .premise + .premise {
    border-left: 1px solid rgba(42, 74, 117, 0.8);
    padding-left: 26px;
  }

  .page-disclaimer .spec {
    padding: 44px 0 50px;
  }

  .page-disclaimer .spec-rail {
    padding-top: 30px;
  }

  .page-disclaimer .spec-rail::before {
    top: 11px;
    width: 40px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .spec-body {
    padding-left: 34px;
  }

  .page-disclaimer .disc-banner {
    margin-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .spec-no,
  .page-disclaimer .spec-rail::before,
  .page-disclaimer .rule-fold summary::before,
  .page-disclaimer .rule-fold summary::after,
  .page-disclaimer .crumbs a {
    transition: none;
  }
}