/* ================= 使用说明 / disclaimer ================= */

.page-disclaimer {
  --disc-chip: rgba(217, 86, 43, .95);
  --disc-text: rgba(243, 237, 226, .84);
  --disc-text-soft: rgba(243, 237, 226, .68);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-disclaimer .disc-hero-top {
  max-width: 46em;
  margin-top: clamp(14px, 2vw, 22px);
}

.page-disclaimer .disc-hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(29px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 14px 0 18px;
}

.page-disclaimer .disc-hero .lead {
  max-width: 36em;
  color: var(--disc-text);
}

.page-disclaimer .disc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 顶部横幅图 ---------- */

.page-disclaimer .disc-banner {
  margin: clamp(30px, 4.5vw, 46px) 0 0;
  aspect-ratio: 3 / 1;
  border-radius: 2px;
  overflow: hidden;
}

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

@media (min-width: 760px) {
  .page-disclaimer .disc-banner {
    aspect-ratio: 4 / 1;
  }
}

/* ---------- 版本刻度条 ---------- */

.page-disclaimer .disc-ruler {
  margin-top: clamp(26px, 4vw, 40px);
  padding: 18px clamp(16px, 2.4vw, 24px) 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-image:
    repeating-linear-gradient(90deg, rgba(243, 237, 226, .07) 0 1px, transparent 1px 26px),
    linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, 0));
}

.page-disclaimer .disc-ruler-cap {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-disclaimer .disc-ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px 20px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-disclaimer .disc-tick {
  display: grid;
  gap: 5px;
  padding-left: 12px;
  border-left: 2px solid var(--brick);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-disclaimer .disc-tick:hover {
  border-left-color: var(--orange);
  transform: translateX(3px);
}

.page-disclaimer .disc-tick-key {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--orange);
}

.page-disclaimer .disc-tick-text {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */

.page-disclaimer .disc-body {
  padding-top: clamp(24px, 3.5vw, 40px);
}

.page-disclaimer .disc-layout {
  display: block;
}

/* ---------- 右侧关键提醒 ---------- */

.page-disclaimer .disc-aside {
  margin-bottom: clamp(30px, 5vw, 44px);
}

.page-disclaimer .disc-side-card {
  padding: 20px 20px 22px;
  border-radius: 3px;
}

.page-disclaimer .disc-side-cap {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-disclaimer .disc-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
  counter-reset: discside;
}

.page-disclaimer .disc-side-list > li {
  position: relative;
  display: grid;
  gap: 4px;
  padding-left: 24px;
  counter-increment: discside;
}

.page-disclaimer .disc-side-list > li::before {
  content: counter(discside, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
}

.page-disclaimer .disc-side-list b {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

.page-disclaimer .disc-side-list span {
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-disclaimer .disc-side-link {
  display: inline-block;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  width: 100%;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cyan);
  text-decoration: none;
}

.page-disclaimer .disc-side-link:hover {
  color: var(--paper);
}

/* ---------- 分组清单 ---------- */

.page-disclaimer .disc-group {
  padding-block: clamp(30px, 4.5vw, 48px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .disc-group-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-disclaimer .disc-num {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .08em;
  padding: 5px 7px;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, .42);
  background: rgba(255, 138, 61, .08);
}

.page-disclaimer .disc-group-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(19px, 3.1vw, 26px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

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

.page-disclaimer .disc-list > li {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.page-disclaimer .disc-sq {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--brick);
}

.page-disclaimer .disc-list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--disc-text);
  overflow-wrap: break-word;
}

.page-disclaimer .disc-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 224, 212, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

.page-disclaimer .disc-k {
  font-family: var(--mono);
  font-weight: 500;
  font-size: .92em;
  color: var(--orange);
}

.page-disclaimer .disc-contact {
  font-family: var(--mono);
  font-weight: 500;
  font-size: .94em;
  color: var(--paper);
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

/* ---------- 可展开内容组 ---------- */

.page-disclaimer .disc-fold {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(255, 255, 255, .028);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-disclaimer .disc-fold:hover {
  border-color: rgba(27, 224, 212, .32);
}

.page-disclaimer .disc-fold[data-open] {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(27, 224, 212, .38);
}

.page-disclaimer .disc-fold .fold-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
}

.page-disclaimer .disc-fold .fold-head:hover {
  color: var(--cyan);
}

.page-disclaimer .disc-fold-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-disclaimer .disc-fold-icon::before,
.page-disclaimer .disc-fold-icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-disclaimer .disc-fold-icon::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1.5px;
}

.page-disclaimer .disc-fold-icon::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1.5px;
}

.page-disclaimer .disc-fold[data-open] .disc-fold-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

/* ---------- 回到顶部 ---------- */

.page-disclaimer .disc-backtop {
  margin: clamp(36px, 5vw, 52px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .disc-backtop a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 224, 212, .35);
  padding-bottom: 2px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

/* ---------- 桌面端 ---------- */

@media (min-width: 980px) {
  .page-disclaimer .disc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .disc-aside {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--bar) + 32px);
  }

  .page-disclaimer .disc-groups {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .disc-group-head {
    margin-bottom: 22px;
  }

  .page-disclaimer .disc-list p {
    font-size: 16px;
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .disc-layout {
    gap: 72px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-tick,
  .page-disclaimer .disc-fold,
  .page-disclaimer .disc-fold-icon::before,
  .page-disclaimer .disc-fold-icon::after,
  .page-disclaimer .disc-list a,
  .page-disclaimer .disc-backtop a {
    transition: none;
  }

  .page-disclaimer .disc-tick:hover {
    transform: none;
  }
}
<<<END>>>