.page-disclaimer {
  --disc-hair: rgba(16, 32, 43, 0.09);
  --disc-band: rgba(201, 214, 208, 0.30);
  position: relative;
  padding-bottom: 88px;
  color: var(--ink);
  background-color: var(--mist);
  background-image:
    linear-gradient(to right, var(--disc-band) 1px, transparent 1px),
    linear-gradient(to bottom, var(--disc-band) 1px, transparent 1px);
  background-size: 72px 72px;
  overflow-x: clip;
}

.page-disclaimer .breadcrumb {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.disc-hero {
  padding-top: 34px;
  padding-bottom: 30px;
}

.disc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.disc-hero__lead .kicker {
  margin: 0 0 14px;
}

.disc-hero__lead h1 {
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.disc-hero__lead .lede {
  max-width: 40em;
  margin: 0;
}

.disc-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.disc-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 18px;
  background: var(--paper);
}

.disc-hero__facts .stat-num {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--wing-deep);
  font-variant-numeric: tabular-nums;
}

.disc-hero__facts .stat-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-50);
}

/* ---------- 吸边目录带 ---------- */
.disc-index {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 250, 248, 0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.disc-index__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 9px;
  padding-bottom: 9px;
}

.disc-index__label {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-50);
  padding-right: 10px;
  border-right: 1px solid var(--rule);
}

.disc-index__list {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  gap: 4px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.disc-index__list::-webkit-scrollbar {
  display: none;
}

.disc-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  font-size: 13px;
  line-height: 1;
  color: var(--ink-70);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.disc-index__list a:hover,
.disc-index__list a:focus-visible {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--wing);
}

.disc-index__list .index-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sky);
}

/* ---------- 主视觉 ---------- */
.disc-figure {
  margin: 30px auto 0;
}

.disc-figure .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .disc-figure .media-frame__inner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.disc-figure .media-caption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-50);
}

/* ---------- 正文小节 ---------- */
.disc-body {
  margin-top: 6px;
}

.disc-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 34px 0;
  border-top: 1px solid var(--disc-hair);
  scroll-margin-top: 90px;
}

.disc-sec__num {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--wing);
  font-variant-numeric: tabular-nums;
}

.disc-sec__body h2 {
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}

.disc-sec__lead {
  max-width: 40em;
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--wing);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

.disc-sec__body ul {
  display: grid;
  gap: 11px;
  max-width: 40em;
  margin: 0;
  padding: 0;
  list-style: none;
}

.disc-sec__body li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-70);
}

.disc-sec__body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--sky);
}

.disc-sec__body li strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 引用标注折叠卡 ---------- */
.disc-cite {
  max-width: 40em;
  margin-top: 20px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(201, 214, 208, 0.5), var(--shadow-paper);
  overflow: hidden;
}

.disc-cite summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--wing-deep);
}

.disc-cite summary::-webkit-details-marker {
  display: none;
}

.disc-cite summary::after {
  content: "展开";
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-50);
}

.disc-cite[open] summary::after {
  content: "收起";
}

.disc-cite summary:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: -2px;
}

.disc-cite__inner {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.disc-cite__line {
  margin: 0;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--sky-soft);
  border-left: 3px solid var(--sky);
  border-radius: 0 6px 6px 0;
}

/* ---------- 用与不用对照带 ---------- */
.disc-compare {
  margin-top: 22px;
  padding: 44px 0 40px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--grad-flight);
}

.disc-compare__head {
  margin-bottom: 22px;
}

.disc-compare__head .kicker {
  margin: 0 0 12px;
}

.disc-compare__head h2 {
  margin: 0;
  letter-spacing: -0.015em;
}

.disc-compare__rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  -webkit-overflow-scrolling: touch;
}

.disc-compare__rail::-webkit-scrollbar {
  height: 6px;
}

.disc-compare__rail::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 999px;
}

.disc-col {
  flex: 0 0 84%;
  scroll-snap-align: start;
  padding: 22px 22px 24px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}

.disc-col__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  border-radius: 999px;
}

.disc-col--yes .disc-col__tag {
  color: var(--wing-deep);
  background: rgba(15, 163, 107, 0.12);
}

.disc-col--no .disc-col__tag {
  color: var(--flare-deep);
  background: rgba(255, 90, 43, 0.12);
}

.disc-col__list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.disc-col__list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-70);
}

.disc-col--yes .disc-col__list li::before,
.disc-col--no .disc-col__list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  font-weight: 700;
}

.disc-col--yes .disc-col__list li::before {
  content: "＋";
  color: var(--wing);
}

.disc-col--no .disc-col__list li::before {
  content: "－";
  color: var(--flare);
}

/* ---------- 结尾入口 ---------- */
.disc-tail {
  padding-top: 52px;
  padding-bottom: 12px;
}

.disc-tail .kicker {
  margin: 0 0 12px;
}

.disc-tail h2 {
  margin: 0 0 24px;
  letter-spacing: -0.015em;
}

.disc-tail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.disc-linkcard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.disc-linkcard:hover,
.disc-linkcard:focus-visible {
  border-color: var(--wing);
  transform: translateY(-2px);
  box-shadow: var(--shadow-paper);
}

.disc-linkcard .index-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sky);
}

.disc-linkcard__title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.disc-linkcard__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-70);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .disc-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .disc-tail__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .disc-col {
    flex: 0 0 46%;
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 120px;
  }

  .disc-hero {
    padding-top: 46px;
    padding-bottom: 40px;
  }

  .disc-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 52px;
    align-items: end;
  }

  .disc-hero__facts li {
    padding: 18px 18px 20px;
  }

  .disc-hero__facts .stat-num {
    font-size: 30px;
  }

  .disc-figure {
    margin-top: 38px;
  }

  .disc-sec {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 44px;
    padding: 58px 0;
  }

  .disc-sec__num {
    font-size: 40px;
    padding-top: 6px;
  }

  .disc-compare {
    padding: 60px 0 52px;
  }

  .disc-col {
    flex: 0 0 48%;
    padding: 26px 26px 28px;
  }
}