/* ============ 使用说明页 · page-disclaimer ============ */

.page-disclaimer {
  --d-num: clamp(3.4rem, 12vw, 7.8rem);
  --d-pad: clamp(2rem, 5vw, 3.4rem);
  --d-warn: rgba(61, 90, 254, .5);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .terms-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-disclaimer .terms-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .terms-hero__aside {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .65rem 1.25rem;
}

.page-disclaimer .terms-hero__kicker {
  margin: 0;
  color: var(--cyan);
}

.page-disclaimer .terms-hero__aside-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--muted);
}

.page-disclaimer .terms-hero__title {
  margin: 0 0 1.1rem;
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--glass);
}

.page-disclaimer .terms-hero__intro {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
}

.page-disclaimer .terms-hero__banner {
  margin-top: clamp(1.75rem, 5vw, 3rem);
}

.page-disclaimer .terms-hero__frame {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(135deg, rgba(108, 59, 255, .22), rgba(34, 224, 214, .08) 62%, transparent),
    var(--space-2);
}

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

@media (min-width: 860px) {
  .page-disclaimer .terms-hero__grid {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-disclaimer .terms-hero__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding-top: .7rem;
  }

  .page-disclaimer .terms-hero__aside-note {
    writing-mode: vertical-rl;
    letter-spacing: .34em;
    line-height: 1;
  }

  .page-disclaimer .terms-hero__frame {
    aspect-ratio: 3 / 1;
  }
}

/* ---------- 条款区 ---------- */

.page-disclaimer .terms {
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-disclaimer .terms__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-disclaimer .terms__list {
  grid-column: 1;
  grid-row: 2;
}

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

/* ---------- 条款索引 ---------- */

.page-disclaimer .terms__toc-label {
  margin: 0 0 .7rem;
  color: var(--muted);
}

.page-disclaimer .terms__toc-list {
  margin: 0;
  padding: 0 0 .3rem;
  list-style: none;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .terms__toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .terms__toc-list li {
  flex: 0 0 auto;
}

.page-disclaimer .terms__toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .45rem .7rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-disclaimer .terms__toc-num {
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--line-hard);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .terms__toc-list a:hover,
.page-disclaimer .terms__toc-list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(34, 224, 214, .1);
  color: var(--glass);
}

.page-disclaimer .terms__toc-list a:hover .terms__toc-num,
.page-disclaimer .terms__toc-list a:focus-visible .terms__toc-num {
  color: var(--cyan);
}

/* ---------- 单条约定 ---------- */

.page-disclaimer .term {
  position: relative;
  padding-top: var(--d-pad);
  padding-bottom: var(--d-pad);
}

.page-disclaimer .term::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line-soft);
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .term:last-child::after {
  background: transparent;
}

.page-disclaimer .term:hover::after {
  background: var(--cyan);
}

.page-disclaimer .term__num {
  margin-bottom: .6rem;
  font-size: var(--d-num);
  font-weight: 800;
  line-height: .78;
  letter-spacing: -.05em;
  color: var(--d-warn);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .term__num.is-visible {
  color: var(--line-hard);
}

.page-disclaimer .term__num a {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.page-disclaimer .term__num a:hover,
.page-disclaimer .term__num a:focus-visible {
  color: var(--violet);
  transform: translateX(4px);
}

/* 悬停编号时出现的摘要 */
.page-disclaimer .term__summary {
  position: absolute;
  top: var(--d-pad);
  right: 0;
  z-index: 2;
  width: min(290px, 38%);
  margin: 0;
  padding: .8rem 1rem;
  border: 1px solid var(--cyan-soft);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--glass);
  font-size: .85rem;
  line-height: 1.7;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              visibility var(--dur) var(--ease);
}

.page-disclaimer .term__num:hover ~ .term__summary,
.page-disclaimer .term__num:focus-within ~ .term__summary {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .term__body {
  max-width: 66ch;
}

.page-disclaimer .term__title {
  margin: 0 0 .85rem;
  color: var(--glass);
}

.page-disclaimer .term__body p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.85;
}

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

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

.page-disclaimer .term__body a:hover,
.page-disclaimer .term__body a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 四类资源标签区 ---------- */

.page-disclaimer .term__rules {
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .85rem;
}

.page-disclaimer .term__rule {
  display: grid;
  grid-template-columns: 4.6em minmax(0, 1fr);
  gap: .35rem 1rem;
  align-items: start;
  padding-bottom: .85rem;
  border-bottom: 1px dashed rgba(61, 90, 254, .3);
}

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

.page-disclaimer .term__rule-tag {
  justify-self: start;
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-disclaimer .term__rule-desc {
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.8;
}

/* ---------- 结尾提示 ---------- */

.page-disclaimer .terms__outro {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.4rem, 4vw, 2.4rem);
}

.page-disclaimer .terms__outro-title {
  margin: .5rem 0 .85rem;
  color: var(--glass);
}

.page-disclaimer .terms__outro .prose {
  margin: 0;
  color: var(--muted);
}

.page-disclaimer .terms__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 1000px) {
  .page-disclaimer .terms__grid {
    grid-template-columns: minmax(0, 1fr) 208px;
    column-gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

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

  .page-disclaimer .terms__toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .terms__toc-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .terms__toc-list li {
    display: block;
  }

  .page-disclaimer .terms__toc-list li + li {
    margin-top: .2rem;
  }

  .page-disclaimer .terms__toc-list a {
    display: flex;
    width: 100%;
    padding: .45rem 0;
    border-color: transparent;
    background: transparent;
    white-space: normal;
  }

  .page-disclaimer .terms__toc-list a:hover,
  .page-disclaimer .terms__toc-list a:focus-visible {
    border-color: transparent;
    background: transparent;
  }
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 999px) {
  .page-disclaimer .term__summary {
    display: none;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .term__rule {
    grid-template-columns: minmax(0, 1fr);
    gap: .3rem;
  }

  .page-disclaimer .terms-hero__title {
    font-size: 2.2rem;
  }
}
<<<END>>>