/* ============================================================
   使用说明页 · 作用域 .page-disclaimer
   ============================================================ */

.page-disclaimer {
  --disc-rule: rgba(200, 145, 47, 0.42);
  --disc-line: rgba(51, 69, 78, 0.16);
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-paper);
  padding-block: calc(var(--header-h) + 26px) clamp(46px, 7vw, 80px);
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 86% 6%, rgba(200, 145, 47, 0.24), transparent 56%),
    linear-gradient(114deg, #16110D 0 46%, #2A1F16 46% 60%, #7A4E18 60% 100%);
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-disclaimer .disc-crumb {
  grid-column: 1 / -1;
  align-self: start;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 232, 0.58);
}

.page-disclaimer .disc-crumb a {
  color: rgba(235, 199, 126, 0.86);
  text-decoration: none;
}

.page-disclaimer .disc-crumb a:hover {
  color: var(--c-sand-lt);
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 0;
  color: var(--c-sand-lt);
}

.page-disclaimer .disc-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-sans);
  font-size: clamp(29px, 5vw, 50px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-disclaimer .disc-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.78);
}

.page-disclaimer .disc-hero__media {
  margin: 0;
  width: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(235, 199, 126, 0.22);
  box-shadow: var(--shadow-float);
}

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

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .page-disclaimer .disc-hero__copy {
    padding-bottom: 6px;
  }
}

/* ---------- 版本提示条 ---------- */

.page-disclaimer .disc-version {
  background: var(--c-amber);
  color: var(--c-sand-lt);
  border-block: 1px solid rgba(235, 199, 126, 0.26);
}

.page-disclaimer .disc-version__bar {
  display: block;
  padding-block: 15px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  line-height: 1.6;
}

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

.page-disclaimer .disc-version__bar::marker {
  content: "";
}

.page-disclaimer .disc-version__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.page-disclaimer .disc-version__badge {
  flex: 0 0 auto;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: var(--c-ink);
  color: var(--c-sand-lt);
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-disclaimer .disc-version__text {
  flex: 1 1 210px;
  min-width: 0;
}

.page-disclaimer .disc-version__hint {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-sand-lt);
  border-bottom: 1px solid rgba(235, 199, 126, 0.5);
  padding-bottom: 1px;
}

.page-disclaimer .disc-version__hint::after {
  content: "＋";
  font-family: var(--font-num);
  font-size: 12px;
}

.page-disclaimer .disc-version[open] .disc-version__hint::after {
  content: "－";
}

.page-disclaimer .disc-version__panel {
  border-top: 1px solid rgba(235, 199, 126, 0.22);
  background: rgba(22, 17, 13, 0.36);
  padding-block: 20px 24px;
}

.page-disclaimer .disc-version__panel p {
  margin: 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.82);
}

/* ---------- 章节快速定位 ---------- */

.page-disclaimer .disc-jump {
  background: var(--c-mist);
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-block: 14px;
}

.page-disclaimer .disc-jump__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-steel-lt);
}

.page-disclaimer .disc-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-jump__list a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(51, 69, 78, 0.22);
  background: var(--c-paper);
  color: var(--c-steel);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-jump__list a:hover {
  border-color: var(--c-sand);
  color: var(--c-amber);
}

/* ---------- 编号小节 ---------- */

.page-disclaimer .disc-clause {
  position: relative;
  padding-block: clamp(42px, 6vw, 74px);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-disclaimer .disc-clause + .disc-clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--disc-rule) 0 1px, transparent 1px 11px);
}

.page-disclaimer .disc-clause + .disc-clause::after {
  content: "";
  position: absolute;
  top: 8px;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, var(--disc-rule), transparent 68%);
}

.page-disclaimer .disc-clause__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-disclaimer .disc-clause__mark {
  line-height: 1;
}

.page-disclaimer .disc-clause__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: var(--r-sm);
  background: var(--c-night);
  color: var(--c-sand-lt);
  font-family: var(--font-num);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-plate);
}

.page-disclaimer .disc-clause__body {
  max-width: 70ch;
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.4vw, 29px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-disclaimer .disc-clause__lead {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-ink);
}

.page-disclaimer .disc-points {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-points li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-top: 1px solid var(--disc-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-steel);
}

.page-disclaimer .disc-points li:last-child {
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-points li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 23px;
  width: 9px;
  height: 2px;
  background: var(--c-sand);
}

.page-disclaimer .disc-points strong {
  font-family: var(--font-num);
  font-size: 1.08em;
  font-weight: 700;
  color: var(--c-ink);
}

.page-disclaimer .disc-points a {
  color: var(--c-amber);
  text-decoration: underline;
  text-decoration-color: rgba(200, 145, 47, 0.45);
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease), text-decoration-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-points a:hover {
  color: var(--c-ink);
  text-decoration-color: var(--c-ink);
}

@media (min-width: 840px) {
  .page-disclaimer .disc-clause__grid {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 0 44px;
    align-items: start;
  }
}

/* ---------- 收尾 ---------- */

.page-disclaimer .disc-outro {
  padding-block: clamp(34px, 5vw, 66px) clamp(56px, 8vw, 104px);
}

.page-disclaimer .disc-outro__panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(200, 145, 47, 0.3), transparent 60%),
    linear-gradient(138deg, var(--c-ink) 0 56%, #523312 56% 100%);
  color: var(--c-paper);
  padding: clamp(28px, 4.6vw, 54px);
  display: grid;
  gap: 26px;
}

.page-disclaimer .disc-outro .eyebrow {
  color: var(--c-sand-lt);
}

.page-disclaimer .disc-outro__title {
  margin: 10px 0 0;
  max-width: 22ch;
  font-size: clamp(21px, 2.6vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-disclaimer .disc-outro__text {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.76);
}

.page-disclaimer .disc-outro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.page-disclaimer .disc-outro__link {
  font-size: 14px;
  color: rgba(235, 199, 126, 0.9);
  text-decoration: none;
  border-bottom: 1px solid rgba(235, 199, 126, 0.4);
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-disclaimer .disc-outro__link:hover {
  color: var(--c-sand-lt);
  border-bottom-color: var(--c-sand-lt);
}

@media (min-width: 880px) {
  .page-disclaimer .disc-outro__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 520px) {
  .page-disclaimer .disc-hero h1 {
    max-width: none;
  }

  .page-disclaimer .disc-clause__num {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

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

  .page-disclaimer .disc-points li::before {
    top: 21px;
  }

  .page-disclaimer .disc-outro__actions .pill--lg {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}
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