/* ===== 内容声明 · 页面专属样式 ===== */
.page-disclaimer {
  --disc-line: rgba(19, 26, 32, 0.14);
  --disc-hint: rgba(154, 166, 173, 0.17);
  --disc-spot: rgba(242, 209, 75, 0.24);
  --disc-fold-top: clamp(32px, 6.12vw, 80px);
  display: block;
  background: var(--ink);
  color: var(--text-inv);
}

/* ----- 面包屑 ----- */
.page-disclaimer .disc-crumb {
  padding-top: 22px;
  padding-bottom: 4px;
}
.page-disclaimer .disc-crumb__nav {
  display: flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-disclaimer .disc-crumb__nav a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-micro) var(--ease-in), border-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-crumb__nav a:hover,
.page-disclaimer .disc-crumb__nav a:focus-visible {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}
.page-disclaimer .disc-crumb__sep {
  color: var(--lake);
}

/* ----- 首屏 ----- */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding-top: 24px;
  padding-bottom: 56px;
  background:
    radial-gradient(120% 96% at 12% 0%, rgba(23, 162, 214, 0.24) 0%, rgba(10, 22, 34, 0) 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}
.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  inset: -10% -5%;
  pointer-events: none;
  background-image: repeating-linear-gradient(-3.5deg, rgba(154, 166, 173, 0.07) 0 1px, transparent 1px 96px);
  opacity: 0.7;
}
.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: end;
}
.page-disclaimer .disc-kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--lake-soft);
}
.page-disclaimer .disc-h1 {
  margin: 10px 0 0;
  color: var(--paper);
  letter-spacing: -0.02em;
}
.page-disclaimer .disc-h1::after {
  content: "";
  display: block;
  width: clamp(72px, 14vw, 168px);
  height: 6px;
  margin-top: 22px;
  background: var(--coral);
}
.page-disclaimer .disc-lede {
  margin: 26px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-inv);
}
.page-disclaimer .disc-hero__fig {
  margin: 0;
  position: relative;
  border: 1px solid rgba(23, 162, 214, 0.4);
}
.page-disclaimer .disc-hero__fig.media-frame--16x9 {
  aspect-ratio: 16 / 9;
  padding: 0;
}
.page-disclaimer .disc-hero__fig > img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-disclaimer .disc-hero__fig .media-frame__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 10px 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-inv);
  background: linear-gradient(180deg, rgba(10, 22, 34, 0) 0%, rgba(10, 22, 34, 0.86) 100%);
}

/* ----- 纸面主体 ----- */
.page-disclaimer .disc-sheet {
  position: relative;
  background: var(--paper);
  color: var(--text);
  clip-path: polygon(0 var(--disc-fold-top), 100% 0, 100% 100%, 0 100%);
  padding-top: calc(var(--disc-fold-top) + 44px);
  padding-bottom: 68px;
}
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
.page-disclaimer .disc-col {
  min-width: 0;
}

/* ----- 编号小节 ----- */
.page-disclaimer .disc-sec {
  border-top: 1px solid var(--disc-line);
}
.page-disclaimer .disc-sec:first-child {
  border-top: 0;
}
.page-disclaimer .disc-fold > summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 0 22px 16px;
  list-style: none;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: border-color var(--dur-micro) var(--ease-in), background-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-fold > summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .disc-fold > summary:hover {
  border-left-color: var(--coral-soft);
  background-color: rgba(255, 106, 69, 0.055);
}
.page-disclaimer .disc-fold > summary:focus-visible {
  outline: 2px solid var(--lemon);
  outline-offset: 2px;
}
.page-disclaimer .disc-fold[open] > summary {
  border-left-color: var(--coral);
}
.page-disclaimer .disc-idx {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--coral);
}
.page-disclaimer .disc-sec__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--text);
}
.page-disclaimer .disc-arrow {
  flex: 0 0 auto;
  color: var(--lake-deep);
  transition: transform var(--dur-expand) var(--ease-in), color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-fold[open] .disc-arrow {
  transform: rotate(90deg);
  color: var(--coral);
}
.page-disclaimer .disc-fold__body {
  padding: 0 0 30px 16px;
}
.page-disclaimer .disc-fold__body p {
  max-width: 34em;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}
.page-disclaimer .disc-fold__body p:last-child {
  margin-bottom: 0;
}

/* ----- 口径对照 ----- */
.page-disclaimer .disc-pairs {
  max-width: 42em;
  margin: 6px 0 20px;
  border-top: 1px solid var(--disc-line);
}
.page-disclaimer .disc-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 12px 14px 10px;
  border-bottom: 1px solid var(--disc-line);
  border-left: 3px solid transparent;
  transition: background-color var(--dur-micro) var(--ease-in), border-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-pair:hover,
.page-disclaimer .disc-pair:focus-within {
  background-color: var(--disc-spot);
  border-left-color: var(--lemon);
}
.page-disclaimer .disc-pair__k {
  margin: 0;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--lake-deep);
}
.page-disclaimer .disc-pair__v {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

/* ----- 提示条 ----- */
.page-disclaimer .disc-hint {
  max-width: 40em;
  margin: 18px 0 22px;
  padding: 13px 18px;
  background-color: var(--disc-hint);
  border-left: 3px solid var(--lake);
  font-size: 15px;
  line-height: 1.78;
  color: var(--lake-deep);
}

/* ----- 项目列表 ----- */
.page-disclaimer .disc-list {
  max-width: 38em;
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
}
.page-disclaimer .disc-list li {
  position: relative;
  padding: 6px 0 6px 22px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}
.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.95em;
  width: 7px;
  height: 7px;
  background: var(--lake);
}
.page-disclaimer .disc-list strong {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--coral);
  letter-spacing: 0.02em;
}

/* ----- 正文内联链接 ----- */
.page-disclaimer .disc-fold__body .link {
  color: var(--lake-deep);
  border-bottom: 1px solid var(--lake);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-in), background-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-fold__body .link:hover,
.page-disclaimer .disc-fold__body .link:focus-visible {
  color: var(--text);
  background-color: var(--disc-spot);
}

/* ----- 右缘索引轨道 ----- */
.page-disclaimer .disc-railwrap {
  display: none;
}
.page-disclaimer .disc-rail {
  position: sticky;
  top: 104px;
  inset-inline: auto;
  left: auto;
  right: auto;
  display: flex;
  flex-direction: column;
  width: auto;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.page-disclaimer .disc-rail__label {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--disc-line);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lake-deep);
}
.page-disclaimer .disc-rail__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 8px 7px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(19, 26, 32, 0.6);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-in),
    border-color var(--dur-micro) var(--ease-in),
    background-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-rail__item:hover,
.page-disclaimer .disc-rail__item:focus-visible {
  color: var(--lake-deep);
  border-left-color: var(--lake);
  background-color: rgba(23, 162, 214, 0.09);
}
.page-disclaimer .disc-rail__item[aria-current],
.page-disclaimer .disc-rail__item.is-current {
  color: var(--text);
  border-left-color: var(--lemon);
  background-color: rgba(242, 209, 75, 0.2);
}
.page-disclaimer .disc-rail__num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lake-deep);
}
.page-disclaimer .disc-rail__item[aria-current] .disc-rail__num,
.page-disclaimer .disc-rail__item.is-current .disc-rail__num {
  color: #8a6d05;
}

/* ----- 底部斜切收束 ----- */
.page-disclaimer .disc-foot {
  position: relative;
  margin-top: -1px;
  background: var(--ink);
  color: var(--text-inv);
  clip-path: polygon(0 0, 100% var(--disc-fold-top), 100% 100%, 0 100%);
  padding-top: calc(var(--disc-fold-top) + 36px);
  padding-bottom: 60px;
}
.page-disclaimer .disc-foot__k {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--lemon);
}
.page-disclaimer .disc-foot__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-inv);
}
.page-disclaimer .disc-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .disc-foot__link {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--lake-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(23, 162, 214, 0.42);
  transition: color var(--dur-micro) var(--ease-in), border-color var(--dur-micro) var(--ease-in);
}
.page-disclaimer .disc-foot__link:hover,
.page-disclaimer .disc-foot__link:focus-visible {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}

/* ----- 展开动效降级 ----- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-arrow,
  .page-disclaimer .disc-pair,
  .page-disclaimer .disc-rail__item,
  .page-disclaimer .disc-foot__link {
    transition-duration: 120ms;
  }
  .page-disclaimer .disc-fold[open] .disc-arrow {
    transform: none;
  }
}

/* ----- 平板及以上 ----- */
@media (min-width: 760px) {
  .page-disclaimer .disc-fold__body {
    padding-left: 74px;
  }
  .page-disclaimer .disc-pair {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
  .page-disclaimer .disc-hero {
    padding-bottom: 72px;
  }
}

/* ----- 桌面双栏 ----- */
@media (min-width: 1040px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }
  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 196px;
    gap: 60px;
  }
  .page-disclaimer .disc-railwrap {
    display: block;
  }
  .page-disclaimer .disc-sheet {
    padding-bottom: 88px;
  }
}

/* ----- 大屏 ----- */
@media (min-width: 1320px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 76px;
  }
}