.page-disclaimer {
  --disc-pad: clamp(20px, 3.2vw, 34px);
  --disc-gap: clamp(34px, 5vw, 64px);
  padding-bottom: clamp(70px, 9vw, 120px);
  color: var(--white);
  overflow-x: clip;
}

.page-disclaimer .crumbs {
  padding-top: clamp(18px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  padding: clamp(24px, 4vw, 56px) 0 clamp(30px, 4.5vw, 60px);
  border-bottom: 1px solid var(--line);
  background-image:
    radial-gradient(120% 130% at 10% 0%, rgba(63, 169, 245, .16), transparent 58%),
    radial-gradient(85% 115% at 90% 6%, rgba(255, 106, 46, .16), transparent 62%);
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 96px);
  opacity: .5;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 85%);
}

.page-disclaimer .disc-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-disclaimer .disc-hero .display {
  margin: 12px 0 0;
}

.page-disclaimer .disc-hero .lede {
  max-width: 60ch;
  margin: 16px 0 0;
  color: rgba(243, 248, 245, .84);
}

.page-disclaimer .disc-note {
  align-self: end;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(20, 53, 42, .92), rgba(8, 23, 15, .72));
  box-shadow: var(--shadow-card);
}

.page-disclaimer .disc-note .tag {
  margin-bottom: 10px;
}

.page-disclaimer .disc-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 目录 ---------- */
.page-disclaimer .disc-toc {
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-toc ol {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-disclaimer .toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(14, 36, 25, .6);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  border-color: var(--signal);
  color: var(--signal-soft);
  transform: translateY(-2px);
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--blue);
}

/* ---------- 条款分组 ---------- */
.page-disclaimer .disc-group {
  padding: var(--disc-gap) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px 18px;
}

.page-disclaimer .group-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6.5vw, 52px);
  line-height: .92;
  color: var(--grid);
  opacity: .7;
}

@supports (-webkit-text-stroke: 1px red) {
  .page-disclaimer .group-num {
    color: transparent;
    opacity: 1;
    -webkit-text-stroke: 1.2px var(--grid);
  }
}

.page-disclaimer .group-intro {
  flex: 1 1 240px;
  min-width: 0;
}

.page-disclaimer .group-title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.page-disclaimer .group-sub {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .group-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--white);
  background: rgba(8, 23, 15, .62);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-disclaimer .group-toggle:hover,
.page-disclaimer .group-toggle:focus-visible {
  border-color: var(--signal);
  color: var(--signal-soft);
}

.page-disclaimer .tg-closed {
  display: none;
}

.page-disclaimer .group-toggle[aria-expanded="false"] .tg-open {
  display: none;
}

.page-disclaimer .group-toggle[aria-expanded="false"] .tg-closed {
  display: inline;
}

.page-disclaimer .group-body {
  display: block;
  margin-top: 22px;
  padding: var(--disc-pad);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 53, 42, .72), rgba(14, 36, 25, .5));
}

.page-disclaimer .group-body[data-open="false"] {
  display: none;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .clause-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 4px 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--blue);
  padding-top: 5px;
}

.page-disclaimer .clause p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(243, 248, 245, .88);
}

.page-disclaimer .clause .k {
  color: var(--yellow);
  font-weight: 600;
}

/* ---------- 中部插画 ---------- */
.page-disclaimer .disc-art {
  margin: clamp(30px, 5vw, 60px) 0;
  border: 1px solid var(--line);
  background: var(--stand);
  box-shadow: 8px 8px 0 -1px rgba(31, 90, 66, .22);
}

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

.page-disclaimer .disc-art-cap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 沟通情形卡片 ---------- */
.page-disclaimer .disc-cards {
  display: grid;
  gap: 18px;
}

.page-disclaimer .disc-card {
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(14, 36, 25, .94), rgba(8, 23, 15, .72));
  box-shadow: 5px 5px 0 0 rgba(31, 90, 66, .24), 10px 10px 0 0 rgba(31, 90, 66, .12);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-disclaimer .disc-card:hover {
  transform: translateY(-4px);
}

.page-disclaimer .card-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-pale);
}

.page-disclaimer .disc-card h3 {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-disclaimer .disc-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 248, 245, .82);
}

.page-disclaimer .group-foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 联系说明牌 ---------- */
.page-disclaimer .disc-contact {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(22px, 3.2vw, 38px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  background-image:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 106, 46, .15), transparent 55%),
    radial-gradient(110% 130% at 100% 100%, rgba(63, 169, 245, .13), transparent 60%);
  background-color: rgba(14, 36, 25, .72);
  display: grid;
  gap: 14px;
}

.page-disclaimer .contact-head {
  margin: 0 0 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-disclaimer .contact-head .exhibit-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--signal-soft);
}

.page-disclaimer .contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}

.page-disclaimer .contact-k {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-disclaimer .contact-v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-disclaimer .copy-btn {
  justify-self: start;
  font-size: 13px;
}

.page-disclaimer .disc-related {
  margin: 8px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-related a {
  color: var(--blue-pale);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-related a:hover,
.page-disclaimer .disc-related a:focus-visible {
  color: var(--signal-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-hero-inner {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: end;
    gap: 40px;
  }

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

@media (min-width: 1024px) {
  .page-disclaimer .group-head {
    flex-wrap: nowrap;
    gap: 26px;
    align-items: center;
  }

  .page-disclaimer .group-num {
    font-size: 56px;
  }

  .page-disclaimer .group-toggle {
    order: 3;
  }

  .page-disclaimer .clause {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 6px 20px;
  }

  .page-disclaimer .disc-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-disclaimer .disc-contact .contact-head,
  .page-disclaimer .disc-contact .disc-related {
    grid-column: 1 / -1;
  }

  .page-disclaimer .copy-btn {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link:hover,
  .page-disclaimer .toc-link:focus-visible,
  .page-disclaimer .disc-card:hover {
    transform: none;
  }
}