/* ===== 使用说明 / statement 页面专属样式 ===== */
.page-disclaimer {
  --pd-rule: rgba(42, 39, 36, .16);
  --pd-rule-soft: rgba(42, 39, 36, .08);
  --pd-brass-line: rgba(201, 160, 80, .42);
  --pd-ink-soft: rgba(42, 39, 36, .76);

  position: relative;
  padding-top: clamp(26px, 3.4vw, 46px);
  padding-bottom: clamp(56px, 8vw, 96px);
  background-color: var(--c-brick);
  background-image:
    radial-gradient(130% 62% at 50% 0%, rgba(30, 30, 28, .72) 0%, rgba(58, 58, 56, 0) 64%),
    repeating-linear-gradient(90deg, rgba(237, 228, 211, .022) 0 1px, transparent 1px 78px),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, .10) 0 1px, transparent 1px 54px);
  color: var(--c-on-dark);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* --- 面包屑 --- */
.page-disclaimer__crumb {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-disclaimer__crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
}

.page-disclaimer__crumb li + li::before {
  content: "/";
  margin: 0 10px;
  color: rgba(237, 228, 211, .3);
}

.page-disclaimer__crumb a {
  color: var(--c-on-dark-dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer__crumb a:hover,
.page-disclaimer__crumb a:focus-visible {
  color: var(--c-brass-hi);
}

.page-disclaimer__crumb li[aria-current] {
  color: var(--c-brass);
}

/* --- 版面：窄栏居中 + 右侧版本卡 --- */
.page-disclaimer__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: start;
}

/* --- 纸面正文 --- */
.page-disclaimer__sheet {
  position: relative;
  min-width: 0;
  background-color: var(--c-paper);
  background-image: repeating-linear-gradient(0deg, rgba(42, 39, 36, .026) 0 1px, transparent 1px 32px);
  color: var(--c-text);
  padding: clamp(28px, 4.4vw, 58px) clamp(22px, 3.6vw, 54px) clamp(32px, 4.4vw, 56px);
  box-shadow:
    0 2px 0 rgba(237, 228, 211, .12),
    0 34px 64px -34px rgba(0, 0, 0, .74),
    10px 10px 0 -4px rgba(107, 74, 47, .38),
    14px 14px 0 -8px rgba(158, 59, 50, .16);
}

.page-disclaimer__sheet::before,
.page-disclaimer__sheet::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--c-brass);
  pointer-events: none;
  opacity: .8;
}

.page-disclaimer__sheet::before {
  top: 9px;
  left: 9px;
  border-right-color: transparent;
  border-bottom-color: transparent;
}

.page-disclaimer__sheet::after {
  right: 9px;
  bottom: 9px;
  border-left-color: transparent;
  border-top-color: transparent;
}

/* --- 首屏 --- */
.page-disclaimer__hero {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 30px);
  border-bottom: 1px solid var(--pd-rule);
  margin-bottom: clamp(26px, 3.6vw, 40px);
}

.page-disclaimer__seal {
  position: absolute;
  top: -2px;
  right: 0;
  width: 34px;
  height: 34px;
  color: var(--c-cinnabar);
  opacity: .76;
}

.page-disclaimer__kicker {
  margin: 0 0 12px;
  padding-right: 52px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--c-wood-light);
}

.page-disclaimer__hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(30px, 5.4vw, 46px);
  font-weight: 500;
  letter-spacing: .08em;
  line-height: 1.24;
  color: var(--c-text);
}

.page-disclaimer__hero h1::after {
  content: "";
  display: block;
  width: 62px;
  height: 3px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--c-brass), var(--c-cinnabar) 78%, transparent);
}

.page-disclaimer__lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: clamp(.94rem, 1.1vw, 1.02rem);
  line-height: 1.92;
  color: var(--pd-ink-soft);
}

/* --- 条目目录 --- */
.page-disclaimer__toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-disclaimer__toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 2px;
  border-bottom: 1px dashed var(--pd-rule-soft);
  color: var(--c-text);
  font-size: .92rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer__toc a:hover,
.page-disclaimer__toc a:focus-visible {
  color: var(--c-cinnabar);
  padding-left: 8px;
}

.page-disclaimer__toc-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--c-wood-light);
}

/* --- 条文区块 --- */
.page-disclaimer__block {
  padding-top: clamp(24px, 3.4vw, 36px);
}

.page-disclaimer__block + .page-disclaimer__block {
  margin-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.5;
  letter-spacing: .14em;
  color: var(--c-cinnabar);
  border: 1px solid rgba(158, 59, 50, .38);
  border-radius: var(--radius);
  padding: 2px 7px;
}

.page-disclaimer__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.5vw, 24px);
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--c-text);
}

.page-disclaimer__rules {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pd-rule;
}

.page-disclaimer__rules > li {
  position: relative;
  padding: 11px 0 11px 44px;
  border-top: 1px solid var(--pd-rule-soft);
  font-size: .95rem;
  line-height: 1.86;
  color: rgba(42, 39, 36, .88);
}

.page-disclaimer__rules > li:first-child {
  border-top: 0;
}

.page-disclaimer__rules > li::before {
  counter-increment: pd-rule;
  content: "0" counter(pd-rule);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-wood-light);
}

.page-disclaimer__rules a {
  color: var(--c-cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(158, 59, 50, .34);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer__rules a:hover,
.page-disclaimer__rules a:focus-visible {
  color: var(--c-cinnabar-lt);
  border-bottom-color: var(--c-cinnabar-lt);
}

/* --- 右侧版本标识卡 --- */
.page-disclaimer__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-disclaimer__vcard {
  position: relative;
  border: 1px solid var(--pd-brass-line);
  background: linear-gradient(168deg, #232321 0%, #1a1a18 58%, #2b2822 100%);
  color: var(--c-on-dark);
  overflow: hidden;
  box-shadow: 0 26px 52px -32px rgba(0, 0, 0, .88);
}

.page-disclaimer__vcard-img {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #14140f;
}

.page-disclaimer__vcard-img img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: sepia(.3) contrast(1.08) brightness(.72) saturate(.85);
  transition: transform .6s var(--ease);
}

.page-disclaimer__vcard:hover .page-disclaimer__vcard-img img {
  transform: scale(1.04);
}

.page-disclaimer__vcard-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 30, 28, .10) 0%, rgba(26, 26, 24, .86) 100%);
  pointer-events: none;
}

.page-disclaimer__vcard-stamp {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--c-brass-hi);
  border: 1px solid rgba(201, 160, 80, .55);
  background: rgba(30, 30, 28, .58);
  padding: 3px 8px;
}

.page-disclaimer__vcard-body {
  padding: 18px 18px 20px;
}

.page-disclaimer__vlabel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--c-on-dark-dim);
}

.page-disclaimer__vnum {
  margin: 6px 0 14px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: .08em;
  color: var(--c-brass-hi);
}

.page-disclaimer__vnum span {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: .04em;
  color: #f0d79c;
}

.page-disclaimer__vlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(237, 228, 211, .12);
}

.page-disclaimer__vlist li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(237, 228, 211, .08);
}

.page-disclaimer__vlist em {
  font-style: normal;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-on-dark-dim);
}

.page-disclaimer__vlist strong {
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-on-dark);
}

/* --- 悬停展开的读法说明 --- */
.page-disclaimer__readout {
  margin-top: 16px;
  padding: 10px 12px;
  border-left: 2px solid var(--c-cinnabar);
  background: rgba(158, 59, 50, .12);
  cursor: help;
  outline-offset: 3px;
}

.page-disclaimer__rq {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-cinnabar-lt);
}

.page-disclaimer__ra {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: .82rem;
  line-height: 1.78;
  color: var(--c-on-dark);
  transition: max-height .38s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
}

.page-disclaimer__readout:hover .page-disclaimer__ra,
.page-disclaimer__readout:focus .page-disclaimer__ra,
.page-disclaimer__readout:focus-within .page-disclaimer__ra {
  max-height: 220px;
  opacity: 1;
  margin-top: 8px;
}

.page-disclaimer__readout:focus-visible {
  border-left-color: var(--c-brass-hi);
}

.page-disclaimer__side-note {
  margin: 0;
  font-size: .82rem;
  line-height: 1.8;
  color: var(--c-on-dark-dim);
}

.page-disclaimer__side-note a {
  color: var(--c-brass);
  text-decoration: none;
  border-bottom: 1px dotted rgba(201, 160, 80, .5);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer__side-note a:hover,
.page-disclaimer__side-note a:focus-visible {
  color: var(--c-brass-hi);
}

/* --- 页尾收束 --- */
.page-disclaimer__tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: 22px;
  border-top: 1px solid var(--pd-brass-line);
}

.page-disclaimer__ticks {
  flex: 1 1 60px;
  min-width: 40px;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--c-brass) 0 1px, transparent 1px 15px);
  background-repeat: repeat-x;
  opacity: .42;
}

.page-disclaimer__tail-note {
  margin: 0;
  font-size: .84rem;
  color: var(--c-on-dark-dim);
}

.page-disclaimer__tail-note a {
  color: var(--c-brass);
  text-decoration: none;
  border-bottom: 1px dotted rgba(201, 160, 80, .5);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer__tail-note a:hover,
.page-disclaimer__tail-note a:focus-visible {
  color: var(--c-brass-hi);
}

.page-disclaimer__tail .btn {
  flex: none;
  padding: 9px 22px;
  border: 1px solid var(--pd-brass-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--c-brass-hi);
  font-family: var(--font-sans);
  font-size: .84rem;
  letter-spacing: .12em;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer__tail .btn:hover,
.page-disclaimer__tail .btn:focus-visible {
  background: var(--c-brass);
  border-color: var(--c-brass);
  color: var(--c-ink);
}

/* --- 断点 --- */
@media (min-width: 600px) {
  .page-disclaimer__toc {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 28px;
  }

  .page-disclaimer__vcard-body {
    padding: 22px 22px 24px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__layout {
    max-width: 1030px;
    margin-inline: auto;
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: clamp(44px, 5vw, 72px);
  }

  .page-disclaimer__side {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .page-disclaimer__vcard-img img,
  .page-disclaimer .page-disclaimer__ra,
  .page-disclaimer .page-disclaimer__toc a,
  .page-disclaimer .page-disclaimer__tail .btn {
    transition-duration: .01ms !important;
    transform: none !important;
  }
}