/* ===== 使用说明 · page-disclaimer ===== */
.page-disclaimer {
  --doc-w: 780px;
  position: relative;
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-disclaimer .breadcrumb {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-disclaimer .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--cyan);
}

.page-disclaimer .breadcrumb [aria-current] {
  color: var(--white);
}

/* 顶部：标题区叠蓝图网格 */
.page-disclaimer .doc-top {
  position: relative;
  padding: 30px 0 34px;
  overflow: hidden;
}

.page-disclaimer .doc-top::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(36, 59, 54, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 59, 54, .34) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 82%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 82%);
}

.page-disclaimer .doc-top .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer h1 {
  max-width: 20ch;
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 8.2vw, 62px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-disclaimer h1 em {
  display: block;
  margin-top: .24em;
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 600;
  font-size: clamp(15px, 3.6vw, 23px);
  line-height: 1.42;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-disclaimer .lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(242, 246, 244, .82);
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-disclaimer .doc-meta__item {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-disclaimer .doc-meta__key {
  color: var(--muted);
}

.page-disclaimer .doc-meta__val {
  color: var(--gold);
}

/* 头部抽象视觉 */
.page-disclaimer .doc-visual {
  max-width: var(--shell-w);
  margin: 34px auto 0;
  padding: 0 var(--gutter);
}

.page-disclaimer .doc-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: contrast(1.08) saturate(.9);
}

/* 三条要点摘要 */
.page-disclaimer .doc-index {
  margin-top: 42px;
  background: var(--charcoal);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-index .shell {
  padding-top: 24px;
  padding-bottom: 28px;
}

.page-disclaimer .doc-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  margin-bottom: 18px;
}

.page-disclaimer .doc-index__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--white);
}

.page-disclaimer .doc-index__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-disclaimer .doc-index__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-disclaimer .doc-index__link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(30, 42, 40, .78);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  color: var(--white);
  text-decoration: none;
  transition: border-color .16s var(--ease), background-color .16s var(--ease), transform .16s var(--ease);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(30, 42, 40, 1);
  transform: translateX(2px);
}

.page-disclaimer .doc-index__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-disclaimer .doc-index__text {
  font-size: 15.5px;
  line-height: 1.55;
}

/* 条文主体 */
.page-disclaimer .doc-body {
  max-width: var(--doc-w);
  margin: 0 auto;
  padding: 46px 0 8px;
}

.page-disclaimer .clause {
  position: relative;
  padding: 30px 20px 30px 26px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: background-color .16s var(--ease);
}

.page-disclaimer .clause:last-child {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause:nth-child(even) {
  background: rgba(20, 22, 26, .58);
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .18s var(--ease);
}

.page-disclaimer .clause:hover,
.page-disclaimer .clause:focus-within {
  background: rgba(30, 42, 40, .6);
}

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

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-disclaimer .clause p {
  max-width: 66ch;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 246, 244, .84);
}

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

.page-disclaimer .clause__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 16px 0 16px;
  padding: 0;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(242, 246, 244, .8);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .66em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .clause__list b {
  color: var(--white);
  font-weight: 600;
}

.page-disclaimer .doc-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-body a:hover {
  color: var(--orange);
}

/* 收尾行动区 */
.page-disclaimer .doc-next {
  margin-top: 54px;
  padding: 40px 0 56px;
  background: var(--charcoal);
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-next__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.2vw, 30px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-disclaimer .doc-next__grid {
  display: grid;
  gap: 20px;
}

.page-disclaimer .doc-next__col {
  padding: 22px 20px 24px;
  background: rgba(30, 42, 40, .62);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
}

.page-disclaimer .doc-next__col:last-child {
  border-top-color: var(--orange);
}

.page-disclaimer .doc-next__col p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(242, 246, 244, .82);
}

.page-disclaimer .doc-next__note {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .doc-next__note a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

.page-disclaimer .doc-next__note a:hover {
  color: var(--gold);
}

.page-disclaimer a:focus-visible,
.page-disclaimer button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-disclaimer .doc-next__grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .doc-index__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .doc-index__link {
    min-height: 96px;
  }

  .page-disclaimer .clause {
    padding: 34px 30px 34px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__link,
  .page-disclaimer .clause,
  .page-disclaimer .clause::before {
    transition: none !important;
  }

  .page-disclaimer .doc-index__link:hover,
  .page-disclaimer .doc-index__link:focus-visible {
    transform: none;
  }
}