/* ===== 使用协议页面 · page-disclaimer ===== */

.page-disclaimer {
  padding: 40px 0 96px;
}

/* ---------- 顶部印刷边框与题图 ---------- */

.page-disclaimer .agreement-head {
  padding-top: 4px;
}

.page-disclaimer .agreement-head__band {
  display: flex;
  gap: 6px;
  height: 10px;
  margin-bottom: 22px;
}

.page-disclaimer .agreement-head__band span {
  display: block;
  height: 100%;
}

.page-disclaimer .agreement-head__band span:nth-child(1) {
  flex: 5;
  background: var(--purple-deep);
}

.page-disclaimer .agreement-head__band span:nth-child(2) {
  flex: 1;
  background: var(--gold);
}

.page-disclaimer .agreement-head__band span:nth-child(3) {
  flex: 3;
  background: var(--mist);
}

.page-disclaimer .agreement-head .crumbs {
  margin-bottom: 26px;
}

.page-disclaimer .agreement-head__body {
  display: grid;
  gap: 32px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.page-disclaimer .agreement-head__text .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .agreement-head__text .title-xl {
  margin: 0 0 20px;
  font-size: 32px;
  line-height: 1.28;
}

.page-disclaimer .agreement-head__text .lede {
  margin: 0;
  max-width: 36em;
}

.page-disclaimer .agreement-head__figure {
  margin: 0;
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .clause-index {
  margin: 72px 0 64px;
  padding: 22px 0 26px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-disclaimer .clause-index__label {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--mist-deep);
}

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

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

.page-disclaimer .clause-index__list li:last-child {
  border-bottom: 0;
}

.page-disclaimer .clause-index__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 16px;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .clause-index__list a:hover,
.page-disclaimer .clause-index__list a:focus-visible {
  color: var(--purple-deep);
}

.page-disclaimer .clause-index__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--purple-mid);
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
  padding: 1px 6px;
  border-radius: 2px;
}

.page-disclaimer .clause-index__list a:hover .clause-index__num,
.page-disclaimer .clause-index__list a:focus-visible .clause-index__num {
  background: var(--gold-soft);
  color: var(--purple-deep);
}

/* ---------- 正文与批注栏 ---------- */

.page-disclaimer .agreement-body {
  display: grid;
  gap: 46px;
  align-items: start;
}

.page-disclaimer .agreement-body__main {
  min-width: 0;
  max-width: var(--measure);
}

/* ---------- 条款 ---------- */

.page-disclaimer .clause {
  padding: 36px 0 42px;
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause__num {
  flex: none;
  display: inline-block;
  padding: 3px 9px;
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--purple-deep);
  background: var(--gold-soft);
  border-radius: 2px;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.4;
}

.page-disclaimer .clause__body p {
  margin: 0 0 1.15em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

/* ---------- 折叠块微调 ---------- */

.page-disclaimer .fold {
  margin-top: 26px;
}

.page-disclaimer .fold__text {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---------- 批注栏 ---------- */

.page-disclaimer .agreement-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-disclaimer .agreement-aside__card {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  box-shadow: 4px 6px 0 rgba(34, 28, 26, 0.04);
}

.page-disclaimer .agreement-aside__label {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--mist-deep);
}

.page-disclaimer .agreement-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .agreement-aside__list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .agreement-aside__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .agreement-aside__list a {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: var(--purple-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .agreement-aside__list a:hover,
.page-disclaimer .agreement-aside__list a:focus-visible {
  color: var(--purple-mid);
}

.page-disclaimer .agreement-aside__list span {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-disclaimer .agreement-aside .aside-note {
  margin: 0;
  padding: 16px 18px;
  background: rgba(159, 184, 196, 0.16);
  border-left: 3px solid var(--mist-deep);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 版本记录 ---------- */

.page-disclaimer .version-log {
  margin-top: 80px;
  padding-top: 34px;
  border-top: 2px solid var(--purple-deep);
}

.page-disclaimer .version-log__head .eyebrow {
  margin: 0 0 12px;
}

.page-disclaimer .version-log__title {
  margin: 0 0 12px;
}

.page-disclaimer .version-log__lede {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 44em;
}

.page-disclaimer .version-table__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .version-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-disclaimer .version-table th {
  text-align: left;
  padding: 11px 14px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mist-deep);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-disclaimer .version-table td {
  padding: 14px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .version-table tbody tr:nth-child(even) {
  background: var(--paper);
}

.page-disclaimer .version-table td.mono {
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--purple-deep);
  white-space: nowrap;
}

/* ---------- 内容内联强调 ---------- */

.page-disclaimer .u-gold {
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer {
    padding-top: 56px;
  }

  .page-disclaimer .agreement-head__text .title-xl {
    font-size: 40px;
  }

  .page-disclaimer .clause-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-disclaimer .clause-index__list li:nth-last-child(2) {
    border-bottom: 0;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .agreement-head__body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 52px;
  }

  .page-disclaimer .agreement-body {
    grid-template-columns: minmax(0, 1fr) 248px;
    gap: 60px;
  }

  .page-disclaimer .agreement-body__main {
    padding-right: 4px;
  }

  .page-disclaimer .agreement-aside {
    position: sticky;
    top: 116px;
  }

  .page-disclaimer .clause__title {
    font-size: 24px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .agreement-head__text .title-xl {
    font-size: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-index__list a,
  .page-disclaimer .clause-index__num,
  .page-disclaimer .agreement-aside__list a {
    transition: none;
  }
}
</main>