.page-disclaimer {
  --disc-num-col: 2.6rem;
  --disc-rule: 1px solid var(--grid);
  color: var(--text);
}

.page-disclaimer .disc-body {
  padding-top: clamp(4px, 1vw, 12px);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan-32);
}

.page-disclaimer .crumbs__sep {
  color: var(--scale);
}

/* ---------- 页首 ---------- */
.page-disclaimer .disc-head {
  max-width: 58ch;
  padding: clamp(34px, 6vw, 76px) 0 clamp(30px, 4.5vw, 54px);
}

.page-disclaimer .disc-head .label {
  margin: 0 0 clamp(14px, 2vw, 22px);
  color: var(--cyan);
}

.page-disclaimer .disc-head .display {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-size: clamp(34px, 7.2vw, 78px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-disclaimer .disc-head .lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 页首横向切片 ---------- */
.page-disclaimer .disc-figure {
  margin: 0 0 clamp(36px, 5vw, 72px);
  border-top: var(--disc-rule);
  border-bottom: var(--disc-rule);
  padding: clamp(12px, 1.6vw, 18px) 0 clamp(10px, 1.4vw, 16px);
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  background: var(--zone);
  border: 1px solid var(--grid);
}

.page-disclaimer .disc-figure figcaption {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 筛选条 ---------- */
.page-disclaimer .disc-bar {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: var(--disc-rule);
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-bar__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-disclaimer .disc-bar__top .label {
  color: var(--muted);
}

.page-disclaimer .disc-bar__status {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-disclaimer .disc-bar .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .disc-bar .chip {
  padding: 6px 12px;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: 0;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-bar .chip:hover {
  border-color: var(--cyan-32);
  color: var(--text);
}

.page-disclaimer .disc-bar .chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .disc-bar .chip[aria-pressed="true"],
.page-disclaimer .disc-bar .chip.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 编号章节 ---------- */
.page-disclaimer .disc-list {
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-item {
  border-bottom: var(--disc-rule);
}

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

.page-disclaimer .disc-item details {
  margin: 0;
}

.page-disclaimer .disc-item summary {
  display: grid;
  grid-template-columns: var(--disc-num-col) 1fr auto;
  align-items: center;
  gap: clamp(10px, 1.6vw, 20px);
  padding: clamp(20px, 2.8vw, 30px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .disc-item summary::marker {
  content: "";
}

.page-disclaimer .disc-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-disclaimer .disc-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-item details[open] .disc-item__no {
  color: var(--cyan);
}

.page-disclaimer .disc-item__title {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 23px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: break-word;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-item summary:hover .disc-item__title {
  color: var(--cyan);
}

.page-disclaimer .disc-item__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid var(--grid);
  flex: none;
}

.page-disclaimer .disc-item__toggle::before,
.page-disclaimer .disc-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--muted);
}

.page-disclaimer .disc-item__toggle::before {
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-disclaimer .disc-item__toggle::after {
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  transition: opacity var(--dur) var(--ease);
}

.page-disclaimer .disc-item details[open] .disc-item__toggle::after {
  opacity: 0;
}

.page-disclaimer .disc-item details[open] .disc-item__toggle {
  border-color: var(--cyan-32);
}

.page-disclaimer .disc-item__text {
  display: grid;
  gap: 12px;
  max-width: 68ch;
  padding: 0 0 clamp(24px, 3.2vw, 38px);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-disclaimer .disc-item__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-32);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-item__text a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-item details[open] .disc-item__text {
  animation: disc-fade var(--dur) var(--ease) both;
}

@keyframes disc-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 档位与偏差示意 ---------- */
.page-disclaimer .disc-scale {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  padding: clamp(12px, 1.8vw, 20px) 0 clamp(10px, 1.4vw, 16px);
  border-top: var(--disc-rule);
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-scale__svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-disclaimer .disc-scale figcaption {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 收束声明框 ---------- */
.page-disclaimer .disc-final {
  margin-top: clamp(48px, 7vw, 92px);
  max-width: 820px;
  padding: clamp(22px, 3.2vw, 38px);
  border: 1px solid var(--cyan-32);
  background:
    linear-gradient(180deg, var(--cyan-08), rgba(111, 233, 245, 0.015));
}

.page-disclaimer .disc-final .label {
  margin: 0 0 12px;
  color: var(--cyan);
}

.page-disclaimer .disc-final .subhead {
  margin: 0 0 14px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .disc-final > p {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 62ch;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .disc-final > p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-32);
}

.page-disclaimer .disc-final > p a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-final__meta {
  display: grid;
  border-top: var(--disc-rule);
}

.page-disclaimer .disc-id {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: var(--disc-rule);
}

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

.page-disclaimer .disc-id .label {
  margin: 0;
  min-width: 5.5em;
  color: var(--muted);
}

.page-disclaimer .disc-id .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-id .copy-btn {
  margin-left: auto;
  padding: 5px 11px;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-main);
  font-size: 11px;
  letter-spacing: 0.12em;
  border-radius: 0;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .disc-id .copy-btn:hover {
  border-color: var(--cyan-32);
  color: var(--text);
}

.page-disclaimer .disc-id .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .disc-id .copy-btn__hint {
  display: inline-block;
  margin-left: 6px;
  color: var(--cyan);
  opacity: 0;
  transition: opacity 180ms var(--ease);
}

.page-disclaimer .disc-id .copy-btn[data-copied] .copy-btn__hint {
  opacity: 1;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer {
    --disc-num-col: 4.2rem;
  }

  .page-disclaimer .disc-item__text {
    padding-left: calc(var(--disc-num-col) + clamp(10px, 1.6vw, 20px));
  }

  .page-disclaimer .disc-head {
    padding-top: clamp(48px, 6vw, 88px);
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .disc-final {
    margin-left: clamp(0px, 3vw, 56px);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-item details[open] .disc-item__text {
    animation: none;
  }

  .page-disclaimer .disc-item__toggle::after,
  .page-disclaimer .disc-id .copy-btn__hint {
    transition: none;
  }
}