.page-disclaimer {
  --accent: var(--cyan);
  --rule-gap: 20px;
}

.page-disclaimer .crumbs {
  padding: 20px 0 0;
}

.page-disclaimer .crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-disclaimer .crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-strong);
}

.page-disclaimer .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-disclaimer .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ============ Hero ============ */

.page-disclaimer .rules-hero {
  padding: 26px 0 46px;
  border-bottom: 2px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-disclaimer .rules-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  top: -30%;
  width: 62%;
  height: 150%;
  background: linear-gradient(160deg, rgba(47, 240, 220, .10), rgba(255, 122, 51, .04) 55%, transparent 78%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-disclaimer .rules-hero__grid {
  display: grid;
  gap: 30px;
  position: relative;
}

.page-disclaimer .rules-hero__copy .eyebrow {
  margin: 0;
}

.page-disclaimer .rules-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -.012em;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-disclaimer .rules-hero .lede {
  margin: 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .rules-hero__meta {
  margin: 22px 0 0;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  background: rgba(21, 28, 66, .7);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.page-disclaimer .rules-hero__media {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 10px 10px 0 rgba(47, 240, 220, .13);
  position: relative;
}

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

.page-disclaimer .rules-hero__media .media__cap {
  display: block;
  padding: 8px 12px;
  border-top: 2px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  background: var(--ink);
}

/* ============ 章节跳转 ============ */

.page-disclaimer .rules-jump {
  border-bottom: 2px solid var(--line);
  background: var(--panel);
}

.page-disclaimer .rules-jump__inner {
  padding: 0;
}

.page-disclaimer .rules-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-disclaimer .rules-jump__list li {
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  min-width: 0;
}

.page-disclaimer .rules-jump__list li:nth-child(2n) {
  border-right: 0;
}

.page-disclaimer .rules-jump__list li:last-child {
  grid-column: 1 / -1;
  border-right: 0;
}

.page-disclaimer .rules-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.page-disclaimer .rules-jump__list a:hover,
.page-disclaimer .rules-jump__list a:focus-visible {
  color: var(--paper);
  background: rgba(47, 240, 220, .07);
}

.page-disclaimer .rules-jump__num {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .14em;
  flex: 0 0 auto;
}

/* ============ 规则正文 ============ */

.page-disclaimer .rules-body {
  padding: 44px 0 8px;
}

.page-disclaimer .rule-block {
  display: grid;
  gap: 18px;
  padding: 34px 0;
  border-top: 2px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 72px);
}

.page-disclaimer .rule-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .rule-block--access { --accent: var(--library); }
.page-disclaimer .rule-block--quote { --accent: var(--cyan); }
.page-disclaimer .rule-block--export { --accent: var(--export); }
.page-disclaimer .rule-block--update { --accent: var(--family); }
.page-disclaimer .rule-block--error { --accent: var(--orange); }

.page-disclaimer .rule-block__num {
  display: block;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--accent);
  margin-bottom: 10px;
}

.page-disclaimer .rule-block__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.16;
  letter-spacing: -.008em;
  margin: 0;
  color: var(--paper);
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

.page-disclaimer .rule-lead {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--paper);
  border-left: 4px solid var(--accent);
  background: linear-gradient(90deg, rgba(21, 28, 66, .95), rgba(21, 28, 66, .25));
  padding: 12px 14px 12px 16px;
}

.page-disclaimer .rule-lead strong {
  font-weight: 700;
}

.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.76;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--accent);
  background: transparent;
}

.page-disclaimer .rule-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 220, .45);
}

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

.page-disclaimer .rule-list .mono {
  color: var(--paper);
}

/* ============ 自查清单 ============ */

.page-disclaimer .rules-check {
  padding: 24px 0 76px;
}

.page-disclaimer .rules-check__box {
  border: 2px solid var(--line-strong);
  background: var(--panel);
  padding: 26px 20px 22px;
  box-shadow: 10px 10px 0 rgba(11, 16, 36, .85), 10px 10px 0 2px rgba(169, 179, 222, .3);
}

.page-disclaimer .rules-check__box .eyebrow {
  margin: 0 0 8px;
}

.page-disclaimer .rules-check__box h2 {
  margin: 0 0 8px;
  color: var(--paper);
}

.page-disclaimer .rules-check__hint {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-disclaimer .rules-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-disclaimer .rules-check__list li {
  border-bottom: 2px solid var(--line);
}

.page-disclaimer .check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 4px;
  cursor: pointer;
  transition: background-color .18s var(--ease);
}

.page-disclaimer .check-item:hover {
  background: rgba(47, 240, 220, .05);
}

.page-disclaimer .check-item input {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  margin: 2px 0 0;
  border: 2px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-disclaimer .check-item input:checked {
  border-color: var(--cyan);
  background: rgba(47, 240, 220, .14);
}

.page-disclaimer .check-item input:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 8px;
  height: 13px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

.page-disclaimer .check-item input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .check-item span {
  font-size: 16px;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .check-item input:checked + span {
  color: var(--muted);
}

.page-disclaimer .rules-check__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .rules-check__foot .btn {
  flex: 1 1 auto;
  text-align: center;
  white-space: nowrap;
}

/* ============ 响应式 ============ */

@media (min-width: 640px) {
  .page-disclaimer .rules-jump__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .rules-jump__list li:nth-child(2n) {
    border-right: 2px solid var(--line);
  }

  .page-disclaimer .rules-jump__list li:nth-child(3n) {
    border-right: 0;
  }

  .page-disclaimer .rules-jump__list li:last-child {
    grid-column: auto;
    border-right: 0;
  }

  .page-disclaimer .rules-hero__meta {
    display: inline-block;
  }

  .page-disclaimer .rules-check__box {
    padding: 34px 30px 28px;
  }

  .page-disclaimer .rules-check__foot .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .rules-hero {
    padding: 40px 0 62px;
  }

  .page-disclaimer .rules-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
  }

  .page-disclaimer .rules-jump__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-disclaimer .rules-jump__list li,
  .page-disclaimer .rules-jump__list li:nth-child(2n),
  .page-disclaimer .rules-jump__list li:nth-child(3n) {
    border-right: 2px solid var(--line);
    border-bottom: 0;
  }

  .page-disclaimer .rules-jump__list li:last-child {
    border-right: 0;
  }

  .page-disclaimer .rules-body {
    padding: 60px 0 12px;
  }

  .page-disclaimer .rule-block {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 48px;
    padding: 48px 0;
  }

  .page-disclaimer .rule-block__side {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    align-self: start;
  }

  .page-disclaimer .rule-block__title {
    border-left: 0;
    padding-left: 0;
    border-top: 4px solid var(--accent);
    padding-top: 12px;
  }

  .page-disclaimer .rule-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 32px;
  }

  .page-disclaimer .rules-check {
    padding: 32px 0 96px;
  }

  .page-disclaimer .rules-check__box {
    padding: 40px 40px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}