.page-disclaimer {
  --disc-body: #C7D7ED;
  --disc-dim: #93AAC8;
  --disc-num-w: 46px;
  display: block;
  position: relative;
}

@media (min-width: 768px) {
  .page-disclaimer {
    --disc-num-w: 78px;
  }
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 48, 79, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 48, 79, 0.5) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  pointer-events: none;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -34%;
  width: min(560px, 64vw);
  height: min(560px, 64vw);
  background: radial-gradient(circle, rgba(0, 229, 255, 0.18), rgba(0, 229, 255, 0) 62%);
  pointer-events: none;
}

.page-disclaimer .disc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.page-disclaimer .disc-hero__title {
  margin: 12px 0 16px;
  max-width: 16ch;
  font-size: clamp(32px, 6vw, 70px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .disc-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.78;
  color: var(--disc-body);
}

.page-disclaimer .disc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
}

.page-disclaimer .disc-hero__metatxt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--disc-dim);
}

.page-disclaimer .disc-fig {
  margin: 0;
}

.page-disclaimer .disc-fig .fig__frame {
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

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

.page-disclaimer .disc-fig .fig__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--disc-dim);
}

/* 条目列表 */
.page-disclaimer .disc-body {
  padding: clamp(8px, 2vw, 18px) 0 0;
}

.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--disc-num-w) minmax(0, 1fr);
  gap: 0 16px;
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-item::before {
  content: "";
  position: absolute;
  left: -10px;
  top: clamp(24px, 3.4vw, 38px);
  width: 2px;
  height: 32px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.25s ease;
  pointer-events: none;
}

.page-disclaimer .disc-item:hover::before,
.page-disclaimer .disc-item:focus-within::before {
  transform: scaleY(1);
}

.page-disclaimer .disc-numbtn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.page-disclaimer .disc-numbtn .t-mono {
  display: inline-block;
  padding: 2px 7px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.24);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .disc-item:hover .disc-numbtn .t-mono,
.page-disclaimer .disc-numbtn:focus-visible .t-mono {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-on-accent);
}

.page-disclaimer .disc-numbtn[data-state="done"]::after {
  content: "已复制";
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-disclaimer .disc-item__body {
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-item__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-item__body p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--disc-body);
}

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

.page-disclaimer .disc-sub {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

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

.page-disclaimer .disc-sub li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--disc-body);
}

.page-disclaimer .disc-sub li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .disc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.5);
  transition: border-color 0.2s ease;
}

.page-disclaimer .disc-link:hover,
.page-disclaimer .disc-link:focus-visible {
  border-bottom-style: solid;
  border-bottom-color: var(--cyan);
}

/* 渠道提示块 */
.page-disclaimer .disc-alert {
  margin: 6px 0 16px;
  padding: 18px 24px 16px 20px;
  background: linear-gradient(100deg, rgba(255, 138, 43, 0.16), rgba(255, 138, 43, 0.03) 72%);
  border-left: 3px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-disclaimer .disc-alert__title {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--orange);
}

.page-disclaimer .disc-alert .disc-sub {
  margin-bottom: 0;
}

.page-disclaimer .disc-alert .disc-sub li::before {
  background: var(--orange);
}

/* 收束区 */
.page-disclaimer .disc-close {
  margin-top: clamp(30px, 5vw, 60px);
  padding: clamp(28px, 4vw, 46px) 0 clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-close__inner {
  display: grid;
  gap: 18px;
  align-items: center;
}

@media (min-width: 800px) {
  .page-disclaimer .disc-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }
}

.page-disclaimer .disc-close__text {
  margin: 0;
  max-width: 32ch;
  font-size: clamp(18px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-close__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 600px) {
  .page-disclaimer .disc-item::before {
    display: none;
  }

  .page-disclaimer .disc-close__act .btn {
    flex: 1 1 auto;
    justify-content: center;
    text-align: center;
  }
}
</main>