.page-disclaimer {
  background: var(--c-indigo);
  color: var(--c-warm);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-5);
  background:
    radial-gradient(120% 80% at 88% -12%, rgba(57, 242, 208, .18), transparent 56%),
    radial-gradient(90% 70% at 0% 104%, rgba(139, 123, 255, .18), transparent 52%),
    var(--c-indigo);
}

.page-disclaimer .usage-hero .breadcrumbs {
  margin-bottom: var(--sp-4);
}

.page-disclaimer .usage-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 22ch;
}

.page-disclaimer .usage-hero__lede {
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.85;
  color: var(--c-grey);
  max-width: 48ch;
}

.page-disclaimer .usage-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin: var(--sp-4) 0 0;
  padding: 0;
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-disclaimer .usage-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  line-height: 1;
  color: var(--c-cyan);
}

.page-disclaimer .usage-hero__cap {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-fog);
}

.page-disclaimer .usage-hero__media {
  margin: var(--sp-5) auto 0;
  width: min(calc(100% - var(--gutter) * 2), var(--shell));
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .usage-hero__media img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 280px);
  object-fit: cover;
}

/* ---------- 版本索引带 ---------- */
.page-disclaimer .version-band {
  background: var(--c-midnight);
  border-block: 1px solid var(--line);
  padding-block: var(--sp-3);
}

.page-disclaimer .version-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
}

.page-disclaimer .version-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-disclaimer .version-band__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .version-band__chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  color: var(--c-warm);
  font-size: .84rem;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .version-band__chip:hover,
.page-disclaimer .version-band__chip:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(57, 242, 208, .12);
  color: var(--c-cyan);
}

.page-disclaimer .version-band__note {
  margin: 0;
  font-size: .8rem;
  color: var(--c-fog);
}

/* ---------- 正文双栏 ---------- */
.page-disclaimer .usage-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  padding-block: var(--sp-5);
}

.page-disclaimer .usage-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(27, 42, 91, .55);
  padding: var(--sp-3);
}

.page-disclaimer .usage-toc__title {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--c-fog);
}

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

.page-disclaimer .usage-toc__link {
  display: block;
  padding: 9px 0;
  color: var(--c-grey);
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px dashed rgba(143, 163, 200, .18);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-toc__link:hover,
.page-disclaimer .usage-toc__link:focus-visible {
  color: var(--c-cyan);
}

.page-disclaimer .usage-toc__cta {
  margin-top: var(--sp-3);
  width: 100%;
  justify-content: center;
}

/* ---------- 折叠章节 ---------- */
.page-disclaimer .usage-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-disclaimer .clause {
  border-top: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.page-disclaimer .clause:last-child {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
  padding: var(--sp-3) 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .clause__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__summary::marker {
  content: "";
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: var(--c-purple);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.6vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: .01em;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .clause[open] .clause__title {
  color: var(--c-cyan);
}

.page-disclaimer .clause__sign {
  position: relative;
  width: 30px;
  height: 30px;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .clause__summary:hover .clause__sign {
  border-color: var(--c-cyan);
  background: rgba(57, 242, 208, .1);
}

.page-disclaimer .clause__sign::before,
.page-disclaimer .clause__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--c-cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-disclaimer .clause__sign::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-disclaimer .clause__sign::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-disclaimer .clause[open] .clause__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-disclaimer .clause__body {
  display: grid;
  gap: var(--sp-3);
  padding: 0 0 var(--sp-4);
}

.page-disclaimer .clause__body p {
  margin: 0;
  color: var(--c-grey);
  font-size: .95rem;
  line-height: 1.85;
  max-width: 64ch;
}

.page-disclaimer .clause__body a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .clause__body a:hover {
  color: var(--c-warm);
}

.page-disclaimer .cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-disclaimer .cap-list li {
  display: grid;
  gap: 3px;
  padding-left: var(--sp-3);
  border-left: 2px solid rgba(57, 242, 208, .38);
}

.page-disclaimer .cap-list b {
  color: var(--c-warm);
  font-size: .95rem;
  font-weight: 700;
}

.page-disclaimer .cap-list span {
  color: var(--c-grey);
  font-size: .9rem;
  line-height: 1.75;
}

.page-disclaimer .signal-note {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-s);
  border-left: 3px solid var(--c-orange);
  background: rgba(255, 107, 53, .12);
  color: var(--c-warm);
  font-size: .9rem;
  line-height: 1.75;
  max-width: 64ch;
}

/* ---------- 时段刻度 ---------- */
.page-disclaimer .kickoff {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
}

.page-disclaimer .kickoff__item {
  position: relative;
  padding: var(--sp-3) 0 0;
  border-top: 2px solid var(--line-strong);
  min-width: 0;
}

.page-disclaimer .kickoff__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(57, 242, 208, .16);
}

.page-disclaimer .kickoff__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 4.4vw, 1.7rem);
  line-height: 1.1;
  color: var(--c-warm);
}

.page-disclaimer .kickoff__label {
  display: block;
  margin-top: 4px;
  font-size: .76rem;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--c-fog);
}

/* ---------- 控球率区间示意 ---------- */
.page-disclaimer .range-meter {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(27, 42, 91, .7);
  padding: var(--sp-3);
  max-width: 64ch;
}

.page-disclaimer .range-meter__axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--c-fog);
}

.page-disclaimer .range-meter__track {
  position: relative;
  height: 12px;
  margin: var(--sp-2) 0 var(--sp-3);
  border-radius: 99px;
  background:
    repeating-linear-gradient(90deg, rgba(143, 163, 200, .34) 0 1px, transparent 1px 10%),
    rgba(143, 163, 200, .14);
}

.page-disclaimer .range-meter__zone {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24%;
  right: 28%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple));
}

.page-disclaimer .range-meter__cap {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--c-grey);
}

/* ---------- 双入口 ---------- */
.page-disclaimer .entry-pair {
  display: grid;
  gap: var(--sp-2);
}

.page-disclaimer .entry-pair__item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(27, 42, 91, .45);
  padding: var(--sp-3);
}

.page-disclaimer .entry-pair__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-disclaimer .entry-pair__title {
  margin: var(--sp-1) 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-warm);
}

.page-disclaimer .entry-pair__item p {
  font-size: .88rem;
  line-height: 1.8;
  color: var(--c-grey);
}

/* ---------- 联系卡片 ---------- */
.page-disclaimer .contact-strip {
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(27, 42, 91, .92), rgba(11, 16, 38, .92));
}

.page-disclaimer .contact-strip__label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--c-fog);
}

.page-disclaimer .contact-strip a {
  color: var(--c-cyan);
  font-size: .92rem;
  text-decoration: none;
  word-break: break-word;
}

.page-disclaimer .contact-strip a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .entry-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-disclaimer .version-band__note {
    margin-left: auto;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding-top: var(--sp-6);
    padding-bottom: var(--sp-6);
  }

  .page-disclaimer .usage-body {
    grid-template-columns: minmax(200px, 258px) minmax(0, 1fr);
    gap: var(--sp-6);
    align-items: start;
    padding-block: var(--sp-6);
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: 104px;
  }

  .page-disclaimer .clause__summary {
    padding: var(--sp-4) 0;
  }

  .page-disclaimer .clause__body {
    padding-left: calc(var(--sp-5) + var(--sp-1));
    padding-bottom: var(--sp-5);
  }

  .page-disclaimer .usage-hero__media img {
    height: 300px;
  }
}
<<<END>>>