.page-disclaimer {
  --disc-gold-line: rgba(242, 180, 92, .40);
  --disc-cyan-line: rgba(63, 224, 208, .30);
  --disc-hair: rgba(200, 210, 220, .12);
  --disc-soft: rgba(18, 38, 61, .46);
  --disc-radius-s: 10px;
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
}

/* ---------- 页首 ---------- */
.page-disclaimer .disc-hero {
  padding-block: clamp(1.5rem, 3vw, 2.25rem) clamp(2rem, 4vw, 3rem);
}

.page-disclaimer .disc-hero__title {
  margin-top: .5rem;
  max-width: 18ch;
}

.page-disclaimer .disc-hero__lede {
  margin-top: 1rem;
  color: var(--rock-300);
}

/* ---------- 版本摘要带 ---------- */
.page-disclaimer .disc-meta {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--disc-gold-line);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(242, 180, 92, .10), rgba(242, 180, 92, 0) 46%),
    var(--ink-800);
  overflow: hidden;
}

.page-disclaimer .disc-meta__cell {
  padding: .9rem 1.15rem;
  border-top: 1px solid var(--disc-hair);
}
.page-disclaimer .disc-meta__cell:first-child {
  border-top: 0;
}

.page-disclaimer .disc-meta__key {
  font-size: var(--fs-tag);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--rock-300);
}

.page-disclaimer .disc-meta__val {
  margin: .25rem 0 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--paper-50);
}
.page-disclaimer .disc-meta__val.num {
  font-family: var(--font-mono);
  color: var(--gold-400);
  font-size: 1.15rem;
}

/* ---------- 页首图 ---------- */
.page-disclaimer .disc-frame {
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  border-color: var(--disc-hair);
}
.page-disclaimer .disc-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .disc-body {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.page-disclaimer .disc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

.page-disclaimer .disc-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 4rem);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .disc-index {
  order: -1;
  border: 1px solid var(--disc-hair);
  border-radius: var(--radius);
  background: var(--disc-soft);
  padding: 1rem 1.1rem;
}

.page-disclaimer .disc-index__title {
  margin: 0 0 .75rem;
  font-size: var(--fs-tag);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-disclaimer .disc-rail {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .35rem;
  scroll-snap-type: x proximity;
}

.page-disclaimer .disc-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .8rem;
  border: 1px solid var(--disc-hair);
  border-radius: 999px;
  background: var(--ink-800);
  color: var(--rock-300);
  text-decoration: none;
  font-size: .82rem;
  white-space: nowrap;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-disclaimer .disc-rail__item .index-rail__num {
  color: var(--gold-400);
  font-size: .78rem;
}

.page-disclaimer .disc-rail__item:hover,
.page-disclaimer .disc-rail__item:focus-visible {
  border-color: var(--disc-cyan-line);
  color: var(--paper-50);
}

.page-disclaimer .disc-rail__item[aria-current="true"] {
  border-color: var(--cyan-400);
  background: rgba(63, 224, 208, .12);
  color: var(--paper-50);
}

.page-disclaimer .disc-backtop {
  display: none;
  margin-top: 1rem;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--rock-300);
  text-decoration: none;
}
.page-disclaimer .disc-backtop:hover,
.page-disclaimer .disc-backtop:focus-visible {
  color: var(--cyan-400);
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .disc-clause {
  position: relative;
  padding-left: 2rem;
}
.page-disclaimer .disc-clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5rem;
  bottom: .5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--disc-cyan-line), rgba(200, 210, 220, .05));
}

.page-disclaimer .disc-clause__num {
  position: absolute;
  left: 0;
  top: .1rem;
  transform: translateX(-50%);
  padding: .1rem .38rem;
  border-radius: 4px;
  background: var(--ink-950);
  color: var(--cyan-400);
  font-size: .74rem;
  letter-spacing: .1em;
}

.page-disclaimer .disc-clause__title {
  margin: 0;
  font-size: var(--fs-h2);
  letter-spacing: .01em;
  color: var(--paper-50);
}

.page-disclaimer .disc-clause__intro {
  margin: .8rem 0 0;
  max-width: 62ch;
  color: var(--rock-300);
  font-size: .95rem;
  line-height: 1.8;
}

/* ---------- 条目式条文 ---------- */
.page-disclaimer .disc-items {
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.page-disclaimer .disc-item {
  padding: 1rem 1.1rem;
  border: 1px solid var(--disc-hair);
  border-radius: var(--disc-radius-s);
  background: var(--ink-900);
  transition: border-color .18s var(--ease);
}
.page-disclaimer .disc-item:hover {
  border-color: var(--disc-cyan-line);
}

.page-disclaimer .disc-item__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .55rem;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--paper-50);
}

.page-disclaimer .disc-item__code {
  flex: 0 0 auto;
  color: var(--gold-400);
  font-size: .82rem;
}

.page-disclaimer .disc-item__text {
  margin: .5rem 0 0;
  color: var(--rock-300);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---------- 左右对照 ---------- */
.page-disclaimer .disc-compare {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-disclaimer .disc-compare__col {
  padding: 1.15rem 1.2rem 1.3rem;
  border-radius: var(--disc-radius-s);
  border: 1px solid var(--disc-hair);
  background: var(--ink-900);
}

.page-disclaimer .disc-compare__col--ok {
  border-left: 3px solid var(--cyan-400);
  background: linear-gradient(160deg, rgba(63, 224, 208, .08), rgba(12, 27, 46, 1) 58%);
}

.page-disclaimer .disc-compare__col--ask {
  border-left: 3px solid var(--gold-400);
  background: linear-gradient(160deg, rgba(242, 180, 92, .09), rgba(12, 27, 46, 1) 58%);
}

.page-disclaimer .disc-compare__head {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper-50);
}

.page-disclaimer .disc-list {
  margin: .85rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 1.05rem;
  color: var(--rock-300);
  font-size: .9rem;
  line-height: 1.72;
}
.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-400);
}
.page-disclaimer .disc-compare__col--ask .disc-list li::before {
  background: var(--gold-400);
}

/* ---------- 纵向时间条 ---------- */
.page-disclaimer .disc-timeline {
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
  position: relative;
}
.page-disclaimer .disc-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: .5rem;
  bottom: .5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--disc-cyan-line), rgba(242, 180, 92, .18));
}

.page-disclaimer .disc-timeline__row {
  position: relative;
  padding-left: 1.9rem;
  padding-bottom: 1.35rem;
}
.page-disclaimer .disc-timeline__row:last-child {
  padding-bottom: 0;
}

.page-disclaimer .disc-timeline__dot {
  position: absolute;
  left: 0;
  top: .5rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--cyan-400);
  background: var(--ink-950);
  box-shadow: 0 0 0 4px rgba(63, 224, 208, .10);
}

.page-disclaimer .disc-timeline__body {
  padding: .9rem 1.05rem;
  border: 1px solid var(--disc-hair);
  border-radius: var(--disc-radius-s);
  background: var(--ink-900);
}

.page-disclaimer .disc-timeline__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper-50);
}

.page-disclaimer .disc-timeline__code {
  color: var(--gold-400);
  font-size: .82rem;
}

.page-disclaimer .disc-timeline__text {
  margin: .5rem 0 0;
  color: var(--rock-300);
  font-size: .9rem;
  line-height: 1.78;
}

.page-disclaimer .disc-timeline__meta {
  margin: .6rem 0 0;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan-200);
  opacity: .85;
}

/* ---------- 责任分类块 ---------- */
.page-disclaimer .disc-duty-grid {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
}

.page-disclaimer .disc-duty {
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--disc-hair);
  border-top: 2px solid var(--disc-cyan-line);
  border-radius: var(--disc-radius-s);
  background: var(--ink-800);
}

.page-disclaimer .disc-duty__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .45rem;
  font-size: .98rem;
  font-weight: 700;
  color: var(--paper-50);
}

.page-disclaimer .disc-duty__code {
  color: var(--cyan-400);
  font-size: .78rem;
}

.page-disclaimer .disc-duty__lead {
  margin: .5rem 0 0;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gold-200);
  line-height: 1.6;
}

.page-disclaimer .disc-duty__list {
  margin: .65rem 0 0;
  padding-left: 1.05rem;
  color: var(--rock-300);
  font-size: .86rem;
  line-height: 1.7;
}
.page-disclaimer .disc-duty__list li + li {
  margin-top: .4rem;
}

/* ---------- 收尾窄栏 ---------- */
.page-disclaimer .disc-final {
  margin-top: clamp(1.2rem, 2.5vw, 1.75rem);
  max-width: 64ch;
}
.page-disclaimer .disc-final > p {
  margin: 0 0 1rem;
  color: var(--rock-300);
  font-size: .94rem;
  line-height: 1.82;
}

.page-disclaimer .disc-mail {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--disc-cyan-line);
  word-break: break-all;
}
.page-disclaimer .disc-mail:hover,
.page-disclaimer .disc-mail:focus-visible {
  color: var(--cyan-200);
}

.page-disclaimer .disc-note {
  margin: 1.25rem 0;
  padding: 1.05rem 1.15rem;
  border: 1px dashed var(--disc-gold-line);
  border-radius: var(--disc-radius-s);
  background: var(--disc-soft);
}

.page-disclaimer .disc-note__title {
  margin: 0;
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold-400);
}

.page-disclaimer .disc-note__list {
  margin: .65rem 0 0;
  padding-left: 1.05rem;
  color: var(--rock-300);
  font-size: .87rem;
  line-height: 1.72;
}
.page-disclaimer .disc-note__list li + li {
  margin-top: .3rem;
}

.page-disclaimer .disc-filing {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--disc-hair);
}

.page-disclaimer .disc-filing__key {
  font-size: var(--fs-tag);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rock-300);
}

.page-disclaimer .disc-filing__val {
  color: var(--paper-50);
  font-size: .9rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .disc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-disclaimer .disc-meta__cell {
    border-top: 0;
    border-left: 1px solid var(--disc-hair);
  }
  .page-disclaimer .disc-meta__cell:nth-child(odd) {
    border-left: 0;
  }
  .page-disclaimer .disc-meta__cell:nth-child(n + 3) {
    border-top: 1px solid var(--disc-hair);
  }

  .page-disclaimer .disc-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-disclaimer .disc-duty-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-disclaimer .disc-meta__cell {
    border-left: 1px solid var(--disc-hair);
    border-top: 0;
  }
  .page-disclaimer .disc-meta__cell:first-child {
    border-left: 0;
  }
  .page-disclaimer .disc-meta__cell:nth-child(n + 3) {
    border-top: 0;
  }

  .page-disclaimer .disc-clause {
    padding-left: 3.25rem;
  }
  .page-disclaimer .disc-clause::before {
    top: .9rem;
  }
  .page-disclaimer .disc-items {
    padding-left: .5rem;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .disc-shell {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(3rem, 5vw, 5rem);
  }

  .page-disclaimer .disc-index {
    order: 0;
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 1.15rem 1.15rem 1.25rem;
    background: var(--disc-soft);
    backdrop-filter: blur(8px);
  }

  .page-disclaimer .disc-rail {
    flex-direction: column;
    overflow: visible;
    gap: .2rem;
    padding-bottom: 0;
  }

  .page-disclaimer .disc-rail__item {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: .5rem .2rem .5rem .8rem;
    white-space: normal;
    line-height: 1.4;
  }
  .page-disclaimer .disc-rail__item:hover,
  .page-disclaimer .disc-rail__item:focus-visible {
    border-left-color: var(--disc-cyan-line);
    background: rgba(63, 224, 208, .06);
  }
  .page-disclaimer .disc-rail__item[aria-current="true"] {
    border-left-color: var(--cyan-400);
    background: rgba(63, 224, 208, .10);
  }

  .page-disclaimer .disc-backtop {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    border-top: 1px solid var(--disc-hair);
    padding-top: .85rem;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rail__item,
  .page-disclaimer .disc-item {
    transition: none;
  }
}