.page-disclaimer {
  --disc-index-w: 15rem;
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 58%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 58%);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .disc-crumb {
  padding-top: clamp(22px, 3.5vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
  padding-top: clamp(18px, 3vw, 34px);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

.page-disclaimer .disc-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--white);
  text-wrap: balance;
}

.page-disclaimer .disc-hero .lede {
  max-width: 46ch;
  color: rgba(245, 247, 250, 0.72);
}

.page-disclaimer .disc-hero-meta {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(16px, 2.5vw, 30px);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-disclaimer .disc-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-disclaimer .disc-hero-meta .mono {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-disclaimer .disc-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1.5px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

/* ---------- 条款主体 ---------- */
.page-disclaimer .disc-body {
  padding-top: clamp(48px, 7vw, 88px);
}

.page-disclaimer .disc-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: var(--disc-index-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 84px);
    align-items: start;
  }
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .disc-index {
  border-top: 1.5px solid var(--violet);
  padding-top: 16px;
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-index {
    position: sticky;
    top: 112px;
  }
}

.page-disclaimer .disc-index-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
}

.page-disclaimer .disc-index-list li {
  margin: 0;
}

.page-disclaimer .disc-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-index-link {
    border-bottom: 1px solid var(--line-faint);
  }
  .page-disclaimer .disc-index-list li:last-child .disc-index-link {
    border-bottom-color: transparent;
  }
}

.page-disclaimer .disc-index-link .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--violet-soft);
}

.page-disclaimer .disc-index-link:hover,
.page-disclaimer .disc-index-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-index-link:hover .mono,
.page-disclaimer .disc-index-link:focus-visible .mono {
  color: var(--cyan);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .disc-clauses {
  min-width: 0;
}

.page-disclaimer .clause {
  border-top: 1.5px solid var(--line);
  padding: clamp(24px, 3.4vw, 40px) 0;
}

.page-disclaimer .clause:first-child {
  border-top-color: var(--line-soft);
  padding-top: clamp(18px, 2.4vw, 26px);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 22px);
}

.page-disclaimer .clause-num {
  flex: none;
  min-width: 2.4rem;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  line-height: 1.9;
  color: var(--violet-soft);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white);
}

.page-disclaimer .clause-body {
  margin-top: clamp(12px, 1.8vw, 18px);
}

.page-disclaimer .clause-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 247, 250, 0.76);
  overflow-wrap: break-word;
}

.page-disclaimer .clause-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  border-bottom-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-disclaimer .clause-body {
    padding-left: calc(2.4rem + clamp(14px, 2vw, 22px));
    max-width: 70ch;
  }
}

/* ---------- 引用格式示例块 ---------- */
.page-disclaimer .quote-spec {
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: clamp(18px, 2.4vw, 26px);
  display: grid;
  gap: 14px;
  justify-items: start;
  background-color: var(--ink-2);
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 20px 20px;
  border: 1.5px solid var(--line);
  border-left: 3px solid var(--violet);
  box-shadow: var(--shadow);
}

.page-disclaimer .quote-code {
  margin: 0;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: .01em;
  color: var(--cyan);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-disclaimer .quote-spec .copy-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--grey);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .quote-spec .copy-btn:hover,
.page-disclaimer .quote-spec .copy-btn:focus-visible {
  color: var(--white);
  border-color: var(--violet);
}

.page-disclaimer .quote-spec .copy-btn.is-copied {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 修订提示带 ---------- */
.page-disclaimer .disc-update {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-disclaimer .disc-update-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px clamp(20px, 4vw, 48px);
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.6vw, 26px);
}

.page-disclaimer .disc-update-main {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--grey);
}

.page-disclaimer .disc-update-dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--gold);
  box-shadow: 0 0 0 1px rgba(242, 193, 78, .32);
}

.page-disclaimer .disc-update-hint {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--violet-soft);
  border-bottom: 1px dashed var(--line);
  cursor: help;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-update-hint:hover,
.page-disclaimer .disc-update-hint:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-disclaimer .disc-update-detail {
  position: absolute;
  left: 0;
  bottom: calc(100% + 14px);
  z-index: 6;
  width: min(330px, calc(100vw - 48px));
  padding: 14px 16px;
  background: var(--ink-2);
  border: 1.5px solid var(--line);
  box-shadow: var(--shadow);
  color: rgba(245, 247, 250, 0.8);
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.75;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) linear;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-update-detail {
    left: auto;
    right: 0;
  }
}

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

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-update-detail,
  .page-disclaimer .disc-index-link,
  .page-disclaimer .disc-update-hint,
  .page-disclaimer .quote-spec .copy-btn,
  .page-disclaimer .clause-body a {
    transition-duration: 1ms;
  }
  .page-disclaimer .disc-update-detail {
    transform: none;
  }
}