/* ================= 访问说明页 · 页面专属样式 ================= */
.page-disclaimer{
  --d-line: rgba(0,229,255,.16);
  --d-line-2: rgba(216,222,233,.42);
  --d-panel: #111a2e;
  --d-panel-2: #0c1322;
  --d-glow: 0 0 18px rgba(0,229,255,.22);
  --d-shadow: 6px 6px 0 0 rgba(5,7,13,.85);
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg);
  color: var(--txt);
  padding-bottom: 64px;
}

.page-disclaimer::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(127,233,245,.22) 1px, transparent 1.6px),
    linear-gradient(rgba(127,233,245,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127,233,245,.032) 1px, transparent 1px);
  background-size: 68px 68px, 34px 34px, 34px 34px;
}

.page-disclaimer > *{
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-wrap{
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding-inline: 20px;
}

/* ---------- 顶部上下文 ---------- */
.page-disclaimer .disc-top{
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero{
  padding: 26px 0 0;
}

.page-disclaimer .disc-hero__grid{
  display: grid;
  gap: 28px;
}

.page-disclaimer .disc-kicker{
  display: inline-block;
  margin: 0;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-text);
  background: rgba(107,78,255,.16);
  border: 2px solid var(--line-2);
}

.page-disclaimer .disc-hero h1{
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--txt);
  text-shadow: var(--d-glow);
}

.page-disclaimer .disc-hero__intro{
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--txt-dim);
}

/* ---------- 快速定位索引 ---------- */
.page-disclaimer .disc-index{
  margin: 0;
  padding: 16px 16px 18px;
  background: linear-gradient(165deg, #131d33 0%, #0b1120 100%);
  border: 2px solid var(--line-2);
  box-shadow: var(--d-shadow);
}

.page-disclaimer .disc-index__head{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--accent-text);
}

.page-disclaimer .disc-index__list{
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .disc-index__list a{
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 8px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--txt);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible{
  transform: translateX(6px);
  border-left-color: var(--cyan);
  background-color: rgba(0,229,255,.08);
}

.page-disclaimer .disc-index__no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 首屏底部纹理带 ---------- */
.page-disclaimer .disc-band{
  margin: 38px 0 0;
  border-top: 2px solid var(--line-2);
  border-bottom: 2px solid var(--line-2);
  background: var(--bg-deep);
  line-height: 0;
}

.page-disclaimer .disc-band img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 章节骨架 ---------- */
.page-disclaimer .disc-sec{
  padding: 46px 0 6px;
  border-top: 1px solid var(--d-line);
}

.page-disclaimer .disc-band + .disc-sec{
  border-top: 0;
}

.page-disclaimer .disc-sec__grid{
  display: grid;
  gap: 18px;
}

.page-disclaimer .disc-sec__body{
  min-width: 0;
}

.page-disclaimer .disc-no{
  justify-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(107,78,255,.12);
  border: 2px solid var(--line-2);
  box-shadow: 5px 5px 0 0 rgba(5,7,13,.85);
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-disclaimer .disc-no:hover,
.page-disclaimer .disc-no:focus-visible{
  color: var(--space);
  background-color: var(--cyan);
  border-color: var(--cyan);
  transform: translateX(4px);
}

.page-disclaimer .disc-sec h2{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.8vw, 32px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--txt);
}

.page-disclaimer .disc-sec__lead{
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--txt-dim);
}

/* ---------- 编号条目 ---------- */
.page-disclaimer .disc-list{
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-item{
  display: flex;
  gap: 14px;
  padding: 16px 6px 16px 16px;
  border-top: 1px solid var(--d-line);
  border-left: 3px solid transparent;
}

.page-disclaimer .disc-item--key{
  border-left-color: var(--ember);
  background: linear-gradient(90deg, rgba(255,138,61,.09), transparent 62%);
}

.page-disclaimer .disc-item__no{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.95;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-disclaimer .disc-item p{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-disclaimer .disc-item strong{
  color: var(--txt);
  font-weight: 700;
}

.page-disclaimer .disc-link{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,229,255,.45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .disc-link:hover,
.page-disclaimer .disc-link:focus-visible{
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 可展开补充 ---------- */
.page-disclaimer .disc-fold{
  margin-top: 24px;
  background: var(--d-panel-2);
  border: 2px solid var(--line-2);
  box-shadow: var(--d-shadow);
}

.page-disclaimer .disc-fold summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--accent-text);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .disc-fold summary::after{
  content: "＋";
  font-size: 16px;
  color: var(--cyan);
}

.page-disclaimer .disc-fold[open] summary::after{
  content: "－";
}

.page-disclaimer .disc-fold[open] summary{
  border-bottom: 1px solid var(--d-line);
  background: rgba(107,78,255,.12);
}

.page-disclaimer .disc-fold__body{
  padding: 16px;
}

.page-disclaimer .disc-fold__list{
  margin: 0;
  padding-left: 20px;
  list-style: disc;
  display: grid;
  gap: 8px;
}

.page-disclaimer .disc-fold__list li{
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-disclaimer .disc-fold__body p{
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ---------- 行动入口 ---------- */
.page-disclaimer .disc-cta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-disclaimer .disc-cta{
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--space);
  text-decoration: none;
  background: var(--cyan);
  border: 2px solid var(--cyan);
  box-shadow: var(--d-shadow);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .disc-cta:hover,
.page-disclaimer .disc-cta:focus-visible{
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 0 rgba(5,7,13,.85);
}

.page-disclaimer .disc-cta--ghost{
  background: transparent;
  color: var(--accent-text);
  border-color: var(--line-2);
}

.page-disclaimer .disc-cta--ghost:hover,
.page-disclaimer .disc-cta--ghost:focus-visible{
  background: rgba(0,229,255,.1);
  border-color: var(--cyan);
  color: var(--txt);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px){
  .page-disclaimer{
    padding-bottom: 88px;
  }

  .page-disclaimer .disc-hero{
    padding-top: 34px;
  }

  .page-disclaimer .disc-sec{
    padding-top: 58px;
  }

  .page-disclaimer .disc-item{
    padding-left: 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px){
  .page-disclaimer .disc-wrap{
    padding-inline: 32px;
  }

  .page-disclaimer .disc-hero__grid{
    grid-template-columns: minmax(0, 1.55fr) minmax(290px, .85fr);
    gap: 48px;
    align-items: end;
  }

  .page-disclaimer .disc-sec__grid{
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-disclaimer .disc-no{
    min-width: 108px;
    padding: 14px 12px;
    font-size: 46px;
  }

  .page-disclaimer .disc-item__no{
    line-height: 2.05;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  .page-disclaimer .disc-index__list a,
  .page-disclaimer .disc-no,
  .page-disclaimer .disc-cta{
    transition-duration: .01ms;
  }

  .page-disclaimer .disc-index__list a:hover,
  .page-disclaimer .disc-index__list a:focus-visible,
  .page-disclaimer .disc-no:hover,
  .page-disclaimer .disc-no:focus-visible,
  .page-disclaimer .disc-cta:hover,
  .page-disclaimer .disc-cta:focus-visible{
    transform: none;
  }
}