.page-disclaimer {
  --dlg-gap: clamp(24px, 4vw, 56px);
  --dlg-pad: clamp(18px, 3vw, 32px);
  --dlg-index-w: 262px;
  --dlg-sticky: clamp(16px, 3vw, 36px);
  --dlg-cut-xs: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-disclaimer .crumb {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .usage-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(34px, 5.5vw, 68px);
}

.page-disclaimer .usage-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-disclaimer .usage-hero .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(.98rem, 1.6vw, 1.06rem);
  line-height: 1.82;
}

.page-disclaimer .usage-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-disclaimer .usage-facts > div {
  background: var(--ink);
  padding: 13px 16px;
}

.page-disclaimer .usage-facts dt {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-disclaimer .usage-facts dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-disclaimer .usage-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-disclaimer .usage-hero__fig {
  position: relative;
  margin: 0;
  clip-path: var(--cut);
}

.page-disclaimer .usage-hero__fig .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-disclaimer .usage-hero__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(150deg, rgba(38, 226, 210, .2), transparent 46%),
    linear-gradient(0deg, rgba(5, 7, 15, .55), transparent 44%);
}

/* ---------- 正文双栏 ---------- */

.page-disclaimer .usage-doc {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3.6vw, 46px);
}

.page-disclaimer .usage-doc > * {
  min-width: 0;
}

/* 条款索引 */

.page-disclaimer .usage-index {
  min-width: 0;
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(38, 226, 210, .07), transparent 74%);
}

.page-disclaimer .usage-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-disclaimer .usage-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .usage-index__list::-webkit-scrollbar {
  height: 4px;
}

.page-disclaimer .usage-index__list::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-disclaimer .usage-index__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: .88rem;
  text-decoration: none;
  clip-path: var(--dlg-cut-xs);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
}

.page-disclaimer .usage-index__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
}

/* 条款卡片 */

.page-disclaimer .usage-clauses {
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  margin: 0 0 16px;
  background: var(--panel);
  clip-path: var(--cut);
  box-shadow: inset 0 0 0 1px var(--line);
  scroll-margin-top: 88px;
}

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

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px var(--dlg-pad);
  cursor: pointer;
  list-style: none;
  background: linear-gradient(90deg, rgba(38, 226, 210, .08), transparent 58%);
  transition: background var(--dur) var(--ease);
}

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

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

.page-disclaimer .clause__head:hover {
  background: linear-gradient(90deg, rgba(38, 226, 210, .16), transparent 68%);
}

.page-disclaimer .clause__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-disclaimer .clause__no {
  flex: 0 0 auto;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(243, 179, 67, .45);
  background: rgba(243, 179, 67, .07);
  clip-path: var(--dlg-cut-xs);
}

.page-disclaimer .clause__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: clamp(1.02rem, 2.4vw, 1.24rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-disclaimer .clause__sign::before,
.page-disclaimer .clause__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-disclaimer .clause__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-disclaimer .clause__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-disclaimer .clause[open] .clause__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-disclaimer .clause__body {
  padding: 0 var(--dlg-pad) 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.page-disclaimer .clause__body > p {
  margin: 16px 0 0;
}

.page-disclaimer .clause__body > p:first-child {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  color: var(--white);
  font-size: 1.02rem;
}

.page-disclaimer .clause__body strong {
  font-weight: 700;
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 21px;
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause__contact {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 16px;
  background: rgba(5, 7, 15, .55);
  border: 1px solid var(--line);
  clip-path: var(--dlg-cut-xs);
}

.page-disclaimer .clause__k {
  flex: 0 0 auto;
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-disclaimer .clause__v {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .93rem;
  letter-spacing: .02em;
  color: var(--gold);
  word-break: break-all;
}

.page-disclaimer .clause__foot {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

/* 收尾 */

.page-disclaimer .usage-tail {
  margin-top: clamp(30px, 5vw, 58px);
  padding: 20px var(--dlg-pad);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(38, 226, 210, .09), transparent 72%);
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.85;
}

.page-disclaimer .usage-tail p {
  margin: 0;
}

.page-disclaimer .usage-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 226, 210, .4);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-tail a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .usage-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-disclaimer .usage-doc {
    grid-template-columns: var(--dlg-index-w) minmax(0, 1fr);
    gap: var(--dlg-gap);
  }

  .page-disclaimer .usage-index {
    position: sticky;
    top: var(--dlg-sticky);
    padding: 18px 18px 22px;
  }

  .page-disclaimer .usage-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .usage-index__link {
    width: 100%;
    padding: 10px 12px;
    border-color: transparent;
    background: transparent;
  }

  .page-disclaimer .usage-index__link:hover,
  .page-disclaimer .usage-index__link:focus-visible {
    background: rgba(38, 226, 210, .1);
    border-color: rgba(38, 226, 210, .5);
  }
}

@media (max-width: 480px) {
  .page-disclaimer .clause__head {
    gap: 10px;
    padding: 16px 16px;
  }

  .page-disclaimer .clause__body {
    padding: 0 16px 24px;
  }

  .page-disclaimer .clause__foot .btn,
  .page-disclaimer .clause__foot .copy-btn {
    width: 100%;
    justify-content: center;
  }
}
<<<PAGE_CSS_END>>>