.page-disclaimer {
  --disc-line: rgba(201, 162, 39, 0.45);
  --disc-hair: rgba(14, 59, 50, 0.14);
  --disc-hair-dark: rgba(201, 162, 39, 0.24);
  background: var(--porcelain);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding-block: clamp(30px, 5vw, 72px) clamp(36px, 6vw, 84px);
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3.5vw, 40px);
  align-items: start;
}

.page-disclaimer .disc-hero__lead h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(38px, 6.6vw, 78px);
  line-height: 1.03;
  letter-spacing: 0.01em;
  color: var(--porcelain);
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-disclaimer .disc-hero__lead .blg-lede {
  max-width: 46ch;
  color: rgba(244, 241, 232, 0.86);
}

.page-disclaimer .disc-hero__media {
  position: relative;
  aspect-ratio: 1080 / 540;
  overflow: hidden;
  border: 1px solid var(--disc-hair-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  background: linear-gradient(140deg, var(--ink-900) 0%, var(--ink-600) 100%);
}

.page-disclaimer .disc-hero__media .blg-media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }
  .page-disclaimer .disc-hero__media {
    height: 100%;
    min-height: 260px;
  }
}

/* ---------- 主体 ---------- */
.page-disclaimer .disc-body {
  padding-block: clamp(40px, 6vw, 88px) clamp(48px, 7vw, 96px);
}

.page-disclaimer .disc-body__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: 0.06em;
  color: var(--ink-800);
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  line-height: 1.3;
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .disc-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 0;
  margin: 0 0 clamp(32px, 5vw, 56px);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--disc-hair);
}

.page-disclaimer .disc-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink-600);
  text-decoration: none;
  border-left: 2px solid rgba(14, 59, 50, 0.18);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  color: var(--ink-800);
  border-left-color: var(--gold);
  background: rgba(201, 162, 39, 0.12);
}

.page-disclaimer .disc-index__link[data-current] {
  color: var(--ink-800);
  border-left-color: var(--cinnabar);
  background: rgba(178, 58, 46, 0.07);
}

.page-disclaimer .disc-index__num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-disclaimer .disc-index__link:hover .disc-index__num,
.page-disclaimer .disc-index__link[data-current] .disc-index__num {
  color: var(--cinnabar);
}

@media (min-width: 760px) {
  .page-disclaimer .disc-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(12px, 2vw, 24px);
  }
}

/* ---------- 纵向刻度列表 ---------- */
.page-disclaimer .disc-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 76ch;
}

.page-disclaimer .disc-rail__item {
  position: relative;
  padding-left: 58px;
  padding-bottom: clamp(30px, 4.4vw, 52px);
}

.page-disclaimer .disc-rail__item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 46px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 162, 39, 0.12) 100%);
}

.page-disclaimer .disc-rail__item:last-child {
  padding-bottom: clamp(24px, 3vw, 36px);
}

.page-disclaimer .disc-rail__item:last-child::before {
  display: none;
}

.page-disclaimer .disc-rail__idx {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-800);
  background: var(--bone);
  border: 1px solid rgba(14, 59, 50, 0.16);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-disclaimer .disc-rail__item:hover .disc-rail__idx {
  background: var(--gold-soft);
  color: var(--ink-900);
}

.page-disclaimer .disc-rail__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.36;
  color: var(--ink-800);
  margin: 4px 0 12px;
}

.page-disclaimer .disc-rail__body .blg-text + .blg-text {
  margin-top: 10px;
}

.page-disclaimer .disc-rail__body a {
  color: var(--ink-600);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-disclaimer .disc-rail__body a:hover,
.page-disclaimer .disc-rail__body a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

@media (min-width: 1080px) {
  .page-disclaimer .disc-rail {
    padding-right: 80px;
  }
  .page-disclaimer .disc-rail__item {
    padding-left: 76px;
  }
  .page-disclaimer .disc-rail__item::before {
    left: 23px;
  }
  .page-disclaimer .disc-rail__idx {
    width: 48px;
    height: 48px;
    font-size: 17px;
  }
}

/* ---------- 版本标签 ---------- */
.page-disclaimer .disc-ver {
  position: relative;
  display: inline-flex;
  vertical-align: baseline;
  margin-inline: 2px;
}

.page-disclaimer .disc-ver__chip {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink-900);
  background: var(--gold-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-disclaimer .disc-ver__pop {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  white-space: nowrap;
  padding: 6px 10px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--porcelain);
  background: var(--ink-900);
  border-left: 2px solid var(--gold);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility var(--t) var(--ease);
  z-index: 6;
}

.page-disclaimer .disc-ver:hover .disc-ver__pop,
.page-disclaimer .disc-ver:focus-within .disc-ver__pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 底部信息栏 ---------- */
.page-disclaimer .disc-info {
  margin-top: clamp(24px, 4vw, 48px);
  scroll-margin-top: 96px;
}

.page-disclaimer .disc-info__inner {
  max-width: 900px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-disclaimer .disc-info__col {
  padding: clamp(24px, 4vw, 40px);
}

.page-disclaimer .disc-info__col--dark {
  background: var(--ink-900);
  color: var(--porcelain);
}

.page-disclaimer .disc-info__col--light {
  background: var(--bone);
  color: var(--ink-800);
}

.page-disclaimer .disc-info__idx {
  display: block;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
  margin-bottom: 8px;
}

.page-disclaimer .disc-info__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 23px);
  line-height: 1.35;
  margin: 0 0 18px;
  color: var(--porcelain);
}

.page-disclaimer .disc-info__list {
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-info__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.2);
}

.page-disclaimer .disc-info__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-disclaimer .disc-info__row dd {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 700;
  color: var(--porcelain);
  word-break: break-word;
}

.page-disclaimer .disc-info__row dd a {
  color: var(--porcelain);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-disclaimer .disc-info__row dd a:hover,
.page-disclaimer .disc-info__row dd a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--cinnabar);
}

.page-disclaimer .disc-info__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.66);
}

.page-disclaimer .disc-info__sub {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-600);
  margin: 0 0 6px;
}

.page-disclaimer .disc-info__sub + .disc-info__addr {
  margin-bottom: 20px;
}

.page-disclaimer .disc-info__addr {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-disclaimer .disc-info__col--light .disc-info__note {
  color: var(--slate);
  margin-top: 4px;
}

.page-disclaimer .disc-info__col--light .disc-info__note a {
  color: var(--ink-600);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-disclaimer .disc-info__col--light .disc-info__note a:hover,
.page-disclaimer .disc-info__col--light .disc-info__note a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

@media (min-width: 760px) {
  .page-disclaimer .disc-info__inner {
    grid-template-columns: 1fr 1fr;
  }
  .page-disclaimer .disc-info__row {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__link,
  .page-disclaimer .disc-rail__idx,
  .page-disclaimer .disc-ver__pop,
  .page-disclaimer .disc-rail__body a,
  .page-disclaimer .disc-info__row dd a,
  .page-disclaimer .disc-info__col--light .disc-info__note a {
    transition: none;
  }
}