.page-disclaimer {
  --disc-rail: 132px;
  --disc-line: rgba(107, 78, 30, 0.5);
  --disc-rule: rgba(169, 182, 178, 0.16);
}

/* ============ 页头 ============ */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 6vw, 82px) 0 clamp(46px, 6.5vw, 82px);
  background:
    radial-gradient(120% 110% at 90% 6%, rgba(15, 30, 60, 0.92) 0%, rgba(15, 30, 60, 0) 60%),
    linear-gradient(158deg, #071318 0%, #0E2A25 62%, #071318 100%);
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-hero__media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(700px, 58%);
  opacity: 0.26;
  pointer-events: none;
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 46%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 46%);
}

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

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero__title {
  margin: 18px 0 22px;
  max-width: 16ch;
  font-size: clamp(36px, 6.4vw, 82px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-disclaimer .disc-hero__lead {
  max-width: 640px;
  color: var(--glass);
}

/* ============ 章节索引 ============ */
.page-disclaimer .disc-nav-wrap {
  padding-top: clamp(26px, 3.6vw, 44px);
  padding-bottom: clamp(4px, 1.4vw, 12px);
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13px;
  text-decoration: none;
  color: var(--glass);
  background: rgba(14, 42, 37, 0.55);
  border: 1px solid var(--disc-rule);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-disclaimer .disc-index a:hover,
.page-disclaimer .disc-index a:focus-visible {
  color: var(--gold-hi);
  border-color: rgba(229, 178, 67, 0.62);
  background: rgba(229, 178, 67, 0.08);
}

.page-disclaimer .disc-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ============ 条目主体 ============ */
.page-disclaimer .disc-body {
  padding-top: clamp(42px, 6vw, 80px);
  padding-bottom: clamp(60px, 8vw, 110px);
}

.page-disclaimer .disc-list {
  display: grid;
  gap: clamp(46px, 6.5vw, 92px);
}

.page-disclaimer .disc-item {
  display: grid;
  gap: 12px;
  padding-top: clamp(26px, 3vw, 38px);
  border-top: 1px solid var(--disc-rule);
  scroll-margin-top: 110px;
}

.page-disclaimer .disc-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: rgba(229, 178, 67, 0.34);
}

@supports ((-webkit-text-stroke: 1px #000) or (text-stroke: 1px #000)) {
  .page-disclaimer .disc-item__num {
    color: transparent;
    -webkit-text-stroke: 1px rgba(229, 178, 67, 0.55);
  }
}

.page-disclaimer .disc-item__body {
  max-width: 700px;
}

.page-disclaimer .disc-item__title {
  margin: 0 0 16px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--mist);
}

.page-disclaimer .disc-item__body p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--glass);
}

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

.page-disclaimer .disc-item__body a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(60, 224, 206, 0.42);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-item__body a:hover,
.page-disclaimer .disc-item__body a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: rgba(246, 217, 137, 0.7);
}

/* ============ 折叠扩展 ============ */
.page-disclaimer .disc-fold {
  margin-top: 22px;
  padding: 0 18px;
  background: rgba(14, 42, 37, 0.45);
  border: 1px solid var(--disc-rule);
  border-left: 2px solid rgba(229, 178, 67, 0.6);
}

.page-disclaimer .disc-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .disc-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-disclaimer .disc-fold[open] summary::after {
  content: "\2212";
}

.page-disclaimer .disc-fold summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-disclaimer .disc-fold__body {
  max-width: 620px;
  padding: 0 0 17px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--glass);
}

.page-disclaimer .disc-fold__body p {
  margin: 0;
}

/* ============ 收尾 ============ */
.page-disclaimer .disc-closer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 16px;
  margin-top: 26px;
}

/* ============ 响应式 ============ */
@media (max-width: 640px) {
  .page-disclaimer .disc-hero__media {
    width: 100%;
    opacity: 0.15;
    clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
    -webkit-mask-image: none;
    mask-image: none;
  }

  .page-disclaimer .disc-hero__title {
    max-width: none;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-item {
    grid-template-columns: var(--disc-rail) minmax(0, 1fr);
    gap: 0 clamp(28px, 4vw, 54px);
    align-items: start;
  }

  .page-disclaimer .disc-item__num {
    position: sticky;
    top: 104px;
  }

  .page-disclaimer .disc-item:nth-child(even) .disc-item__body {
    margin-left: clamp(0px, 2.4vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index a,
  .page-disclaimer .disc-item__body a {
    transition: none;
  }
}