.page-disclaimer {
  --disc-line: rgba(169, 180, 194, .2);
  --disc-line-soft: rgba(169, 180, 194, .32);
  --disc-soft: rgba(19, 43, 77, .62);
  --disc-radius: var(--radius-m);
  background: var(--c-navy);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  overflow-x: hidden;
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

/* 面包屑 */
.page-disclaimer .disc-crumb {
  padding-block: 1.1rem .3rem;
}
.page-disclaimer .disc-crumb .breadcrumb {
  font-size: var(--fs-micro);
  letter-spacing: .02em;
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  padding-block: clamp(1.25rem, 4vw, 3rem) clamp(2rem, 5vw, 3.75rem);
  background:
    radial-gradient(circle at 84% 14%, rgba(255, 107, 53, .24), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(46, 196, 182, .16), transparent 42%),
    linear-gradient(180deg, var(--c-navy) 0%, var(--c-void) 100%);
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-signal);
}

.page-disclaimer .disc-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--c-paper);
  text-wrap: balance;
}

.page-disclaimer .disc-hero__lead {
  margin: 0 0 1.4rem;
  max-width: 48ch;
  color: var(--c-text-dim);
}

.page-disclaimer .disc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.page-disclaimer .disc-hero__meta {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .04em;
  color: var(--c-mist);
}

/* 首屏路径视觉 */
.page-disclaimer .disc-hero__visual {
  position: relative;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--radius-l);
  background:
    repeating-linear-gradient(0deg, rgba(169, 180, 194, .07) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(169, 180, 194, .07) 0 1px, transparent 1px 42px),
    linear-gradient(158deg, rgba(27, 58, 99, .92), rgba(7, 19, 34, .94));
  overflow: hidden;
}

.page-disclaimer .disc-hero__visual-title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .2em;
  color: var(--c-mint);
}

.page-disclaimer .disc-route {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .35rem;
}

.page-disclaimer .disc-route::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-signal) 0%, var(--c-mint) 62%, rgba(169, 180, 194, .2) 100%);
}

.page-disclaimer .disc-route__item {
  position: relative;
}

.page-disclaimer .disc-route__link {
  display: grid;
  grid-template-columns: 17px 2.1rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: .7rem;
  padding: .55rem .6rem .55rem .1rem;
  border-radius: var(--radius-s);
  color: var(--c-text);
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}

.page-disclaimer .disc-route__link:hover,
.page-disclaimer .disc-route__link:focus-visible {
  background: rgba(255, 107, 53, .14);
  transform: translateX(3px);
}

.page-disclaimer .disc-route__dot {
  grid-row: span 2;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  border: 1px solid var(--c-signal);
  background: radial-gradient(circle, var(--c-signal) 0 38%, transparent 39%);
}

.page-disclaimer .disc-route__item:nth-child(3) .disc-route__dot {
  border-color: var(--c-mint);
  background: radial-gradient(circle, var(--c-mint) 0 38%, transparent 39%);
}

.page-disclaimer .disc-route__no {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--c-mist);
}

.page-disclaimer .disc-route__label {
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: .01em;
}

.page-disclaimer .disc-route__hint {
  grid-column: 3;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--c-mist);
}

/* 主体两栏 */
.page-disclaimer .disc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3.5vw, 2.5rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-disclaimer .disc-rail__title {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--c-mist);
}

.page-disclaimer .disc-rail__list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .disc-rail__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .75rem;
  border: 1px solid var(--disc-line-soft);
  border-radius: 999px;
  white-space: nowrap;
  font-size: var(--fs-small);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-disclaimer .disc-rail__link:hover,
.page-disclaimer .disc-rail__link:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-signal-hi);
  background: rgba(255, 107, 53, .1);
}

.page-disclaimer .disc-rail__no {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--c-signal);
}

/* 说明区块 */
.page-disclaimer .disc-block {
  padding: clamp(1.15rem, 3vw, 2rem);
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-l);
  background: var(--disc-soft);
  box-shadow: var(--shadow-card);
  margin-bottom: clamp(1.15rem, 3vw, 1.75rem);
  scroll-margin-top: 1.5rem;
}

.page-disclaimer .disc-block:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-block--paper {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: transparent;
}

.page-disclaimer .disc-block--sand {
  background: var(--c-sand);
  color: var(--c-ink);
  border-color: transparent;
}

.page-disclaimer .disc-block--support {
  background:
    radial-gradient(circle at 92% 0%, rgba(255, 107, 53, .2), transparent 55%),
    linear-gradient(160deg, var(--c-navy-2), var(--c-void));
  border-color: var(--disc-line-soft);
}

.page-disclaimer .disc-block__head {
  margin-bottom: 1.35rem;
}

.page-disclaimer .disc-block__no {
  display: inline-block;
  margin-bottom: .6rem;
  padding: .12rem .55rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  color: var(--c-signal);
}

.page-disclaimer .disc-block--paper .disc-block__no,
.page-disclaimer .disc-block--sand .disc-block__no {
  color: var(--c-mint-deep);
}

.page-disclaimer .disc-block h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--c-paper);
  text-wrap: balance;
}

.page-disclaimer .disc-block--paper h2,
.page-disclaimer .disc-block--sand h2 {
  color: var(--c-void);
}

.page-disclaimer .disc-block__head p {
  margin: 0;
  max-width: 62ch;
  color: var(--c-text-dim);
}

.page-disclaimer .disc-block--paper .disc-block__head p,
.page-disclaimer .disc-block--sand .disc-block__head p {
  color: var(--c-ink-soft);
}

.page-disclaimer .disc-block h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.3;
  color: var(--c-paper);
}

.page-disclaimer .disc-block--paper h3,
.page-disclaimer .disc-block--sand h3 {
  color: var(--c-void);
}

/* 版本切换器 */
.page-disclaimer .disc-switch > input,
.page-disclaimer .disc-devices > input,
.page-disclaimer .disc-check > input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-disclaimer .disc-switch__tabs,
.page-disclaimer .disc-devices__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}

.page-disclaimer .disc-switch__tabs label,
.page-disclaimer .disc-devices__tabs label {
  cursor: pointer;
  padding: .45rem .95rem;
  border: 1px solid var(--disc-line-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--c-text);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-disclaimer .disc-devices__tabs label {
  border-color: rgba(7, 19, 34, .22);
  color: var(--c-ink);
}

.page-disclaimer .disc-switch__panel,
.page-disclaimer .disc-devices__panel {
  display: none;
  animation: disc-fade .28s ease both;
}

@keyframes disc-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-disclaimer #ver-old:checked ~ .disc-switch__tabs label[for="ver-old"],
.page-disclaimer #ver-new:checked ~ .disc-switch__tabs label[for="ver-new"],
.page-disclaimer #dev-phone:checked ~ .disc-devices__tabs label[for="dev-phone"],
.page-disclaimer #dev-desktop:checked ~ .disc-devices__tabs label[for="dev-desktop"],
.page-disclaimer #dev-wall:checked ~ .disc-devices__tabs label[for="dev-wall"] {
  background: var(--c-signal);
  border-color: var(--c-signal);
  color: #FFFFFF;
}

.page-disclaimer #ver-old:checked ~ .disc-switch__panels [data-ver="old"],
.page-disclaimer #ver-new:checked ~ .disc-switch__panels [data-ver="new"],
.page-disclaimer #dev-phone:checked ~ .disc-devices__panels [data-dev="phone"],
.page-disclaimer #dev-desktop:checked ~ .disc-devices__panels [data-dev="desktop"],
.page-disclaimer #dev-wall:checked ~ .disc-devices__panels [data-dev="wall"] {
  display: block;
}

.page-disclaimer .disc-switch__panel {
  padding: clamp(.9rem, 2.4vw, 1.25rem);
  border: 1px solid var(--disc-line);
  border-radius: var(--disc-radius);
  background: rgba(7, 19, 34, .38);
}

.page-disclaimer .disc-devices__panel {
  padding: clamp(.9rem, 2.4vw, 1.25rem);
  border: 1px solid rgba(7, 19, 34, .16);
  border-radius: var(--disc-radius);
  background: rgba(255, 255, 255, .48);
}

/* 勾选点列表 */
.page-disclaimer .disc-ticks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.page-disclaimer .disc-ticks li {
  position: relative;
  padding-left: 1.35rem;
  font-size: var(--fs-small);
  line-height: 1.7;
}

.page-disclaimer .disc-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  background: var(--c-mint);
}

.page-disclaimer .disc-block--paper .disc-ticks li::before,
.page-disclaimer .disc-block--sand .disc-ticks li::before {
  background: var(--c-mint-deep);
}

/* 内联链接 */
.page-disclaimer .disc-inline-link {
  display: inline-block;
  margin-top: 1rem;
  padding-bottom: 2px;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--c-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, .45);
  transition: color .2s ease, border-color .2s ease;
}

.page-disclaimer .disc-inline-link:hover,
.page-disclaimer .disc-inline-link:focus-visible {
  color: var(--c-signal-hi);
  border-color: var(--c-signal-hi);
}

.page-disclaimer .disc-block--paper .disc-inline-link,
.page-disclaimer .disc-block--sand .disc-inline-link {
  color: #B8410F;
  border-color: rgba(184, 65, 15, .4);
}

/* 图 */
.page-disclaimer .disc-figure {
  margin: 1.5rem 0 0;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-m);
}

.page-disclaimer .disc-figure .media__caption {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .03em;
}

/* 提示条 */
.page-disclaimer .disc-note {
  display: grid;
  gap: .55rem;
  margin-top: 1.25rem;
  padding: .9rem 1rem;
  border-left: 3px solid var(--c-mint-deep);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(46, 196, 182, .12);
}

.page-disclaimer .disc-note p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--c-ink-soft);
}

/* 步骤 */
.page-disclaimer .disc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .85rem;
}

.page-disclaimer .disc-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 2.35rem minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: .85rem;
  border-bottom: 1px dashed var(--disc-line);
}

.page-disclaimer .disc-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-steps__no {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  border: 1px solid var(--c-signal);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--c-signal);
}

.page-disclaimer .disc-steps__item p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--c-text-dim);
}

.page-disclaimer .disc-steps__item h3 {
  font-size: var(--fs-body);
  margin-bottom: .25rem;
}

/* 检查清单 */
.page-disclaimer .disc-checklist {
  margin-top: 1.5rem;
  padding: clamp(.9rem, 2.4vw, 1.25rem);
  border: 1px dashed var(--disc-line-soft);
  border-radius: var(--disc-radius);
  background: rgba(7, 19, 34, .34);
}

.page-disclaimer .disc-checklist__title {
  margin-bottom: .85rem;
  font-size: var(--fs-body);
  color: var(--c-mint);
}

.page-disclaimer .disc-checklist__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-check {
  display: block;
}

.page-disclaimer .disc-check label {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .55rem .1rem;
  border-bottom: 1px solid var(--disc-line);
  cursor: pointer;
  font-size: var(--fs-small);
  color: var(--c-text);
  transition: color .2s ease, opacity .2s ease;
}

.page-disclaimer .disc-check:last-child label {
  border-bottom: 0;
}

.page-disclaimer .disc-check__no {
  flex: none;
  min-width: 1.9rem;
  margin-top: .1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--c-mist);
  transition: color .2s ease;
}

.page-disclaimer .disc-check input:checked + label {
  color: var(--c-mint);
}

.page-disclaimer .disc-check input:checked + label .disc-check__no {
  color: var(--c-mint);
}

.page-disclaimer .disc-check input:focus-visible + label {
  outline: 2px solid var(--c-signal);
  outline-offset: 2px;
}

.page-disclaimer .disc-checklist__state {
  margin: .85rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .03em;
  color: var(--c-mist);
}

.page-disclaimer .disc-checklist__state--done {
  display: none;
  color: var(--c-mint);
}

.page-disclaimer .disc-checklist:has(#ck-1:checked):has(#ck-2:checked):has(#ck-3:checked):has(#ck-4:checked):has(#ck-5:checked):has(#ck-6:checked) .disc-checklist__state--idle {
  display: none;
}

.page-disclaimer .disc-checklist:has(#ck-1:checked):has(#ck-2:checked):has(#ck-3:checked):has(#ck-4:checked):has(#ck-5:checked):has(#ck-6:checked) .disc-checklist__state--done {
  display: block;
}

/* 更新三卡 */
.page-disclaimer .disc-updates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
}

.page-disclaimer .disc-updates__card {
  padding: 1rem 1.1rem;
  border-radius: var(--disc-radius);
  border: 1px solid rgba(7, 19, 34, .14);
  background: rgba(255, 255, 255, .56);
}

.page-disclaimer .disc-updates__card p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--c-ink-soft);
}

.page-disclaimer .disc-updates__card .disc-inline-link {
  margin-top: .7rem;
}

.page-disclaimer .disc-scope {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(7, 19, 34, .16);
}

.page-disclaimer .disc-scope p {
  margin: 0 0 .6rem;
  font-size: var(--fs-small);
  color: var(--c-ink-soft);
  max-width: 64ch;
}

.page-disclaimer .disc-scope__links {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.page-disclaimer .disc-scope__links a {
  color: #B8410F;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 联系卡 */
.page-disclaimer .disc-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem;
}

.page-disclaimer .disc-contact__item {
  padding: .85rem 1rem;
  border: 1px solid var(--disc-line);
  border-radius: var(--disc-radius);
  background: rgba(7, 19, 34, .4);
}

.page-disclaimer .disc-contact__label {
  display: block;
  margin-bottom: .3rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--c-mint);
}

.page-disclaimer .disc-contact__value {
  display: block;
  font-size: var(--fs-small);
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-support-links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.35rem;
}

.page-disclaimer .disc-icp {
  margin: 1.35rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--disc-line);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .05em;
  color: var(--c-mist);
}

/* 桌面布局 */
@media (min-width: 720px) {
  .page-disclaimer .disc-updates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-disclaimer .disc-contact__item--wide {
    grid-column: span 2;
  }

  .page-disclaimer .disc-hero__meta {
    padding-top: .3rem;
    border-top: 1px solid var(--disc-line);
    display: inline-block;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-disclaimer .disc-hero__visual {
    margin-top: .5rem;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .disc-body {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 1.5rem;
  }

  .page-disclaimer .disc-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: .35rem;
  }

  .page-disclaimer .disc-rail__link {
    width: 100%;
    border-radius: var(--radius-s);
    border-color: transparent;
    padding: .45rem .55rem;
  }

  .page-disclaimer .disc-rail__link:hover,
  .page-disclaimer .disc-rail__link:focus-visible {
    border-color: var(--disc-line-soft);
  }

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

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

  .page-disclaimer .disc-contact__item--wide {
    grid-column: span 3;
  }

  .page-disclaimer .disc-block__head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 1.1rem;
    align-items: start;
  }

  .page-disclaimer .disc-block__no {
    grid-row: 1;
    margin-bottom: 0;
    margin-top: .35rem;
  }

  .page-disclaimer .disc-block h2 {
    grid-column: 2;
  }

  .page-disclaimer .disc-block__head p {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-route__link,
  .page-disclaimer .disc-rail__link,
  .page-disclaimer .disc-inline-link,
  .page-disclaimer .disc-check label {
    transition: none;
  }

  .page-disclaimer .disc-switch__panel,
  .page-disclaimer .disc-devices__panel {
    animation: none;
  }
}