.page-disclaimer {
  --dc-rail-width: 272px;
  --dc-grid-line: rgba(159, 176, 184, 0.05);
  color: var(--mist);
  font-family: var(--font-sans);
  line-height: 1.65;
  padding-bottom: clamp(48px, 8vw, 96px);
  background-image:
    repeating-linear-gradient(to bottom, var(--dc-grid-line) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(to right, var(--dc-grid-line) 0 1px, transparent 1px 60px);
}

.page-disclaimer [data-reveal] {
  animation: dc-rise 0.24s var(--ease) both;
}

.page-disclaimer [data-reveal]:nth-of-type(2) {
  animation-delay: 0.06s;
}

.page-disclaimer [data-reveal]:nth-of-type(3) {
  animation-delay: 0.12s;
}

@keyframes dc-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  border-bottom: var(--edge) solid var(--line-strong);
  padding: clamp(26px, 5vw, 52px) 0 clamp(24px, 4vw, 40px);
}

.page-disclaimer .dc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.5vw, 36px);
}

.page-disclaimer .dc-hero__text {
  min-width: 0;
}

.page-disclaimer .dc-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(2.1rem, 6vw, 3.9rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-disclaimer .dc-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 2vw, 1.08rem);
  color: var(--silver);
}

.page-disclaimer .dc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: var(--edge) solid var(--line);
}

.page-disclaimer .dc-hero__aside {
  min-width: 0;
  border: var(--edge) solid var(--line-strong);
  border-left: 6px solid var(--signal);
  background: var(--panel);
  padding: 18px 18px 20px;
}

.page-disclaimer .dc-hero__note {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--silver);
}

.page-disclaimer .dc-hero__media {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
}

.page-disclaimer .dc-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏骨架 ---------- */
.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(28px, 4.5vw, 48px);
}

.page-disclaimer .dc-rail {
  min-width: 0;
  border: var(--edge) solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: 18px 18px 20px;
}

.page-disclaimer .dc-rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .dc-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 12px 10px;
  color: var(--mist);
  font-size: 15px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-disclaimer .dc-rail__list a:hover,
.page-disclaimer .dc-rail__list a:focus-visible {
  border-left-color: var(--signal);
  color: var(--signal);
  background-color: rgba(0, 229, 168, 0.06);
}

.page-disclaimer .dc-rail__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .dc-fold {
  margin-top: 16px;
  padding-top: 14px;
  border-top: var(--edge) solid var(--line);
}

.page-disclaimer .dc-fold summary {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dc-fold summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  color: var(--signal);
}

.page-disclaimer .dc-fold[open] summary::before {
  content: "–";
}

.page-disclaimer .dc-fold__list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--silver);
  font-size: 14px;
}

.page-disclaimer .dc-fold__list li {
  margin-bottom: 6px;
}

.page-disclaimer .dc-rail__cta {
  display: block;
  margin-top: 16px;
  text-align: center;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .dc-body {
  min-width: 0;
}

.page-disclaimer .dc-sec {
  border-top: var(--edge) solid var(--line);
  padding: clamp(24px, 3.6vw, 38px) 0;
}

.page-disclaimer .dc-sec:first-child {
  border-top-color: var(--line-strong);
}

.page-disclaimer .dc-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .dc-num {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--signal);
  padding-top: 5px;
}

.page-disclaimer .dc-sec h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-disclaimer .dc-sec p {
  max-width: 68ch;
  color: var(--silver);
  font-size: 15.5px;
}

.page-disclaimer .dc-sec__lead {
  margin-top: 0;
  color: var(--mist) !important;
}

.page-disclaimer .dc-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-steps > li {
  border: var(--edge) solid var(--line-strong);
  background: var(--panel);
  padding: 16px 18px;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-disclaimer .dc-steps > li:hover {
  transform: translate(-2px, -2px);
  border-color: var(--signal);
  box-shadow: var(--shadow-signal);
}

.page-disclaimer .dc-steps h3 {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 2.2vw, 1.22rem);
  font-weight: 700;
  color: var(--mist);
}

.page-disclaimer .dc-steps p {
  margin: 0;
}

.page-disclaimer .dc-note {
  margin-top: 18px;
  border-left: 6px solid var(--flare);
  background: rgba(255, 90, 46, 0.08);
  padding: 14px 16px;
  font-size: 15px;
  color: var(--mist);
  max-width: 68ch;
}

.page-disclaimer .dc-note strong {
  color: var(--flare);
}

/* ---------- 设备对照 ---------- */
.page-disclaimer .dc-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

.page-disclaimer .dc-device {
  border: var(--edge) solid var(--line-strong);
  background: var(--deck);
  box-shadow: var(--shadow-hard);
  padding: 18px;
}

.page-disclaimer .dc-device--ios {
  border-top: 6px solid var(--signal);
}

.page-disclaimer .dc-device--desk {
  border-top: 6px solid var(--violet);
}

.page-disclaimer .dc-device__os {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  max-width: none;
}

.page-disclaimer .dc-device h3 {
  margin: 8px 0 10px;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  color: var(--mist);
}

.page-disclaimer .dc-device p {
  margin: 0 0 10px;
  font-size: 15px;
}

.page-disclaimer .dc-device__foot {
  margin: 0 !important;
  padding-top: 10px;
  border-top: 2px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px !important;
  letter-spacing: 0.03em;
  color: var(--muted) !important;
}

.page-disclaimer .dc-hint {
  margin-top: 18px;
}

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

.page-disclaimer .dc-hint a:hover,
.page-disclaimer .dc-hint a:focus-visible {
  color: var(--signal);
}

/* ---------- 版本 ---------- */
.page-disclaimer .dc-version {
  margin-top: 20px;
  border: var(--edge) solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(0, 229, 168, 0.12), transparent 62%),
    var(--panel);
  padding: clamp(18px, 3vw, 26px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-disclaimer .dc-version__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--signal);
  max-width: none;
}

.page-disclaimer .dc-version h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--mist);
}

.page-disclaimer .dc-version__note {
  margin: 0;
  font-size: 15px;
  color: var(--silver);
}

.page-disclaimer .dc-facts {
  margin: 20px 0 0;
  border-top: var(--edge) solid var(--line-strong);
}

.page-disclaimer .dc-facts__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 2px dashed var(--line);
}

.page-disclaimer .dc-facts__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-disclaimer .dc-facts__val {
  margin: 0;
  font-size: 15.5px;
  color: var(--silver);
}

/* ---------- 后续入口 ---------- */
.page-disclaimer .dc-next {
  margin-top: clamp(32px, 5vw, 56px);
  border-top: var(--edge) solid var(--line-strong);
  padding-top: 24px;
}

.page-disclaimer .dc-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 14px;
}

.page-disclaimer .dc-next__link {
  display: grid;
  gap: 6px;
  border: var(--edge) solid var(--line-strong);
  background: var(--panel);
  padding: 14px 16px;
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-disclaimer .dc-next__link:hover,
.page-disclaimer .dc-next__link:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--signal);
  box-shadow: var(--shadow-signal);
}

.page-disclaimer .dc-next__label {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--mist);
}

.page-disclaimer .dc-next__desc {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dc-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-version {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: center;
    gap: 26px;
  }

  .page-disclaimer .dc-facts__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-disclaimer .dc-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: var(--dc-rail-width) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .dc-rail {
    position: sticky;
    top: 20px;
  }

  .page-disclaimer .dc-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    animation: none;
  }

  .page-disclaimer .dc-steps > li,
  .page-disclaimer .dc-next__link {
    transition: none;
  }

  .page-disclaimer .dc-steps > li:hover,
  .page-disclaimer .dc-next__link:hover,
  .page-disclaimer .dc-next__link:focus-visible {
    transform: none;
  }
}