/* ===== 使用须知 · 页面作用域 ===== */
.page-disclaimer {
  --rule: rgba(124, 255, 230, 0.14);
  --rule-soft: rgba(124, 255, 230, 0.09);
  --num-col: minmax(170px, 248px);
  --body-text: rgba(241, 235, 223, 0.82);
  --body-quiet: rgba(241, 235, 223, 0.76);

  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(46px, 7vw, 96px);
  overflow-x: hidden;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(620px, 76vh);
  background-image:
    linear-gradient(rgba(124, 255, 230, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 255, 230, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 100%);
  z-index: 0;
  pointer-events: none;
}

.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑与页首 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-disclaimer .doc-head {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  padding-top: clamp(22px, 3.6vw, 46px);
  padding-bottom: clamp(24px, 3.8vw, 40px);
}

.page-disclaimer .doc-head h1 {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(31px, 5.6vw, 60px);
  font-weight: 800;
  line-height: 1.09;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-disclaimer .doc-head .lede {
  color: var(--body-text);
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.78;
}

/* ---------- 适用版本状态条 ---------- */
.page-disclaimer .doc-status {
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(18px, 3vw, 40px);
  padding: 14px clamp(14px, 2vw, 20px);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(100deg, rgba(0, 232, 210, 0.09), rgba(0, 232, 210, 0) 62%);
}

.page-disclaimer .doc-status__item {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.page-disclaimer .doc-status__k {
  color: var(--muted);
  text-transform: uppercase;
}

.page-disclaimer .doc-status__v {
  color: var(--cyan-soft);
}

/* ---------- 窄幅横幅 ---------- */
.page-disclaimer .doc-banner {
  margin-top: clamp(6px, 1.4vw, 16px);
  margin-bottom: clamp(36px, 6vw, 72px);
  border-color: var(--rule);
}

/* ---------- 条款区 ---------- */
.page-disclaimer .clause-wrap__title {
  margin: 0 0 clamp(18px, 3vw, 30px);
  max-width: 26ch;
  font-size: clamp(19px, 2.5vw, 29px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .clause-list {
  border-top: 1px solid var(--rule);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(24px, 3.6vw, 40px) 0;
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .clause__side {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.8vw, 33px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  transition: color 0.2s var(--ease);
}

.page-disclaimer .clause:hover .clause__num {
  color: var(--cyan-soft);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.006em;
  color: var(--paper);
}

.page-disclaimer .clause__main {
  display: grid;
  gap: 14px;
  max-width: 70ch;
}

.page-disclaimer .clause__main p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--body-text);
  overflow-wrap: anywhere;
}

.page-disclaimer .clause__main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 232, 210, 0.42);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-disclaimer .clause__points {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  border-top: 1px dashed var(--rule-soft);
}

.page-disclaimer .clause__points li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px dashed var(--rule-soft);
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--body-quiet);
  overflow-wrap: anywhere;
}

.page-disclaimer .clause__points li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: calc(12px + 0.87em);
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .term {
  font-family: var(--font-mono);
  font-size: 0.93em;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

/* ---------- 反馈入口 ---------- */
.page-disclaimer .ask-zone {
  margin-top: clamp(38px, 5.5vw, 66px);
}

.page-disclaimer .ask__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 16px clamp(16px, 2.4vw, 26px);
  background: var(--orange);
  color: #150800;
  border-radius: var(--radius);
  transition: background 0.18s var(--ease);
}

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

.page-disclaimer .ask__summary::marker {
  content: "";
}

.page-disclaimer .ask__summary:hover,
.page-disclaimer .ask__summary:focus-visible {
  background: #ff8135;
}

.page-disclaimer .ask__lede {
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 800;
  letter-spacing: -0.006em;
}

.page-disclaimer .ask__cta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  opacity: 0.76;
}

.page-disclaimer .ask__chev {
  margin-left: auto;
  width: 11px;
  height: 11px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s var(--ease);
}

.page-disclaimer .ask[open] .ask__chev {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-disclaimer .ask__body {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 28px) clamp(16px, 2.4vw, 26px) clamp(20px, 3vw, 30px);
  border: 1px solid var(--rule);
  border-top: 0;
  background: var(--panel);
}

.page-disclaimer .ask__body p {
  margin: 0;
  max-width: 70ch;
  font-size: 15.8px;
  line-height: 1.76;
  color: var(--body-text);
  overflow-wrap: anywhere;
}

.page-disclaimer .ask__body strong {
  font-family: var(--font-mono);
  font-size: 0.95em;
  font-weight: 600;
  color: var(--cyan-soft);
  letter-spacing: 0.01em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .clause {
    grid-template-columns: var(--num-col) minmax(0, 1fr);
    gap: 0 clamp(28px, 5vw, 72px);
    align-items: start;
  }

  .page-disclaimer .clause__side {
    padding-top: 2px;
  }
}

@media (max-width: 640px) {
  .page-disclaimer .doc-status {
    flex-direction: column;
    gap: 8px;
  }

  .page-disclaimer .doc-status__item {
    justify-content: space-between;
    width: 100%;
  }

  .page-disclaimer .clause__main {
    max-width: 100%;
  }

  .page-disclaimer .ask__chev {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause__num,
  .page-disclaimer .clause__main a,
  .page-disclaimer .ask__summary,
  .page-disclaimer .ask__chev {
    transition: none;
  }
}