.page-disclaimer {
  --rail-w: 216px;
  padding-block: 2.2rem 3.6rem;
}

.page-disclaimer .breadcrumbs {
  margin-bottom: 1.1rem;
}

/* 开头声明区 */
.page-disclaimer .terms-masthead {
  display: grid;
  gap: 1.1rem;
  padding-bottom: 1.7rem;
  border-bottom: 1px solid var(--line-strong);
}

.page-disclaimer .terms-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-disclaimer h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .terms-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--silver);
}

/* 版本轨道 */
.page-disclaimer .version-rail {
  list-style: none;
  margin: .4rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .5rem;
}

.page-disclaimer .version-item {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  padding: .45rem .8rem;
  background: var(--panel);
  border-left: 2px solid var(--board);
}

.page-disclaimer .vk {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .vv {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .version-item.is-live {
  border-left-color: var(--green);
}

.page-disclaimer .version-item.is-live .vv {
  color: var(--green);
}

/* 顶部横幅 */
.page-disclaimer .terms-banner {
  margin: 1.9rem 0 2.2rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* 主体布局 */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

/* 条款索引栏 */
.page-disclaimer .clause-rail {
  order: -1;
  padding: .95rem 1rem;
  border: 1px solid var(--line);
  background: rgba(16, 42, 50, .78);
}

.page-disclaimer .rail-head {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 .2rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
}

.page-disclaimer .rail-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .68rem;
  border: 1px solid var(--line-strong);
  color: var(--silver);
  font-size: .86rem;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .rail-num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--green);
}

.page-disclaimer .rail-link:hover,
.page-disclaimer .rail-link:focus-visible {
  color: var(--paper);
  border-color: var(--green);
}

.page-disclaimer .rail-link[aria-current="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #06121A;
}

.page-disclaimer .rail-link[aria-current="true"] .rail-num {
  color: #06121A;
}

.page-disclaimer .rail-side {
  list-style: none;
  margin: .95rem 0 0;
  padding: .9rem 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
}

.page-disclaimer .rail-side-link {
  color: var(--silver);
  font-size: .84rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-disclaimer .rail-side-link:hover,
.page-disclaimer .rail-side-link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* 条款条目 */
.page-disclaimer .clause-column {
  min-width: 0;
}

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

.page-disclaimer .clause:first-child {
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer summary {
  list-style: none;
  cursor: pointer;
}

.page-disclaimer summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-summary {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.4rem;
  align-items: center;
  gap: .6rem;
  padding: 1.15rem 0;
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--green);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.8vw, 1.6rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-disclaimer .clause-summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--mist);
}

.page-disclaimer .clause-box[open] .clause-summary::after {
  content: "–";
  color: var(--green);
}

.page-disclaimer .clause--key .clause-title::before {
  content: "▲";
  margin-right: .45rem;
  font-size: .58em;
  vertical-align: .5em;
  color: var(--orange);
}

.page-disclaimer .clause--key .clause-num {
  color: var(--orange);
}

.page-disclaimer .clause-body {
  display: grid;
  gap: 1.1rem;
  padding: 0 0 1.7rem;
  max-width: 68ch;
}

.page-disclaimer .clause-body p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper);
}

/* 覆盖范围清单 */
.page-disclaimer .scope-list {
  margin: 0;
  display: grid;
  gap: .85rem;
}

.page-disclaimer .scope-list dt {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .scope-list dd {
  margin: .3rem 0 0;
  line-height: 1.78;
  color: var(--silver);
}

/* 条目规则列表 */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 1.15rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: .42rem;
  height: .42rem;
  background: var(--green);
}

.page-disclaimer .rule-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-disclaimer .rule-list--warn li::before {
  background: var(--orange);
}

/* 结尾说明面板 */
.page-disclaimer .terms-note {
  display: grid;
  gap: .75rem;
  margin-top: 2.4rem;
  padding: 1.4rem 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
}

.page-disclaimer .note-head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .terms-note p {
  margin: 0;
  max-width: 70ch;
  line-height: 1.8;
  color: var(--silver);
}

.page-disclaimer .terms-note strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--paper);
}

.page-disclaimer .terms-note a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .terms-note a:hover,
.page-disclaimer .terms-note a:focus-visible {
  color: var(--amber);
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-disclaimer .clause-body {
    padding-left: 3rem;
  }

  .page-disclaimer .scope-list {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: .9rem .2rem;
    align-items: start;
  }

  .page-disclaimer .scope-list dt {
    padding-top: .15rem;
  }

  .page-disclaimer .scope-list dd {
    margin: 0;
  }
}

/* 桌面：右侧固定索引栏 */
@media (min-width: 1000px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: minmax(0, 1fr) var(--rail-w);
    gap: 2.6rem;
    align-items: start;
  }

  .page-disclaimer .clause-rail {
    order: 0;
    position: sticky;
    top: calc(var(--hdr-h) + 1.2rem);
    backdrop-filter: blur(6px);
  }

  .page-disclaimer .rail-list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-disclaimer .rail-link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line-strong);
    padding: .5rem .6rem;
    white-space: normal;
  }

  .page-disclaimer .rail-link[aria-current="true"] {
    background: rgba(59, 224, 138, .14);
    border-left-color: var(--green);
    color: var(--green);
  }

  .page-disclaimer .rail-link[aria-current="true"] .rail-num {
    color: var(--green);
  }

  .page-disclaimer .rail-side {
    flex-direction: column;
    gap: .55rem;
  }
}