.page-disclaimer {
  --use-gap: clamp(1.25rem, 3vw, 2.25rem);
  --use-pad: clamp(1rem, 2.6vw, 1.75rem);
  --use-num: 46px;
  padding-top: calc(var(--header-h) + 1.25rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .use-hero {
  position: relative;
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  isolation: isolate;
}

.page-disclaimer .use-hero::before {
  content: "";
  position: absolute;
  inset: -12% -8% 12% -8%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(52% 70% at 12% 0%, rgba(53, 240, 138, .16), transparent 68%),
    linear-gradient(112deg, transparent 34%, rgba(255, 122, 47, .11) 58%, transparent 78%);
}

.page-disclaimer .use-hero__inner {
  display: grid;
  gap: var(--use-gap);
  align-items: end;
}

.page-disclaimer .use-hero__title {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 7.2vw, 4.6rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-disclaimer .use-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 40ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .use-flags {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-disclaimer .use-flag {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem 1.05rem .55rem .85rem;
  border: 1px solid var(--steel);
  border-radius: var(--radius-pill);
  background: rgba(15, 31, 58, .78);
  color: var(--paper);
  font-size: .875rem;
  line-height: 1.4;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .use-flag:hover,
.page-disclaimer .use-flag:focus-within {
  border-color: var(--neon);
  color: var(--neon);
  transform: translateY(-2px);
}

.page-disclaimer .use-flag__icon {
  flex: none;
  color: var(--orange);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .use-flag:hover .use-flag__icon,
.page-disclaimer .use-flag:focus-within .use-flag__icon {
  color: var(--neon);
}

.page-disclaimer .use-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
}

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

.page-disclaimer .use-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(150deg, rgba(53, 240, 138, .16), transparent 46%),
    linear-gradient(0deg, rgba(5, 11, 22, .6), transparent 62%);
}

/* ---------- 说明清单 ---------- */
.page-disclaimer .use-block {
  padding-block: clamp(1.5rem, 4vw, 3rem) 0;
}

.page-disclaimer .use-block__head {
  max-width: 62ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .use-block__title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-disclaimer .use-block__lede {
  margin: .9rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .use-list {
  display: grid;
  gap: .8rem;
}

.page-disclaimer .use-item {
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--ink-800) 0%, rgba(10, 21, 38, .92) 100%);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .use-item:hover {
  border-color: rgba(53, 240, 138, .42);
}

.page-disclaimer .use-item[open] {
  border-color: rgba(53, 240, 138, .68);
}

.page-disclaimer .use-item__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(.75rem, 2vw, 1.25rem);
  padding: clamp(1rem, 2.4vw, 1.35rem) var(--use-pad);
  list-style: none;
  cursor: pointer;
  border-radius: var(--radius-lg);
}

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

.page-disclaimer .use-item__summary::marker {
  content: "";
}

.page-disclaimer .use-item__summary > * {
  min-width: 0;
}

.page-disclaimer .use-item__summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-disclaimer .use-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--use-num);
  height: var(--use-num);
  border: 1px solid var(--neon);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--neon);
  font-size: .95rem;
  letter-spacing: .06em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .use-item[open] .use-item__num {
  background: var(--neon);
  color: var(--neon-ink);
}

.page-disclaimer .use-item__title {
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .use-item__chev {
  position: relative;
  width: 22px;
  height: 22px;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .use-item[open] .use-item__chev {
  color: var(--neon);
}

.page-disclaimer .use-item__chev::before,
.page-disclaimer .use-item__chev::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .use-item__chev::before {
  transform: translate(-50%, -50%);
}

.page-disclaimer .use-item__chev::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-disclaimer .use-item[open] .use-item__chev::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-disclaimer .use-item__body {
  padding: .95rem var(--use-pad) clamp(1.15rem, 2.6vw, 1.6rem);
  border-top: 1px solid rgba(22, 41, 74, .9);
}

.page-disclaimer .use-item__body > p {
  margin: 0 0 .85rem;
  max-width: 60ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .use-item__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
  max-width: 70ch;
}

.page-disclaimer .use-item__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .use-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
}

.page-disclaimer .use-mail {
  margin: 1.1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  padding: .8rem 1rem;
  border: 1px dashed var(--steel);
  border-radius: var(--radius-md);
  background: rgba(5, 11, 22, .6);
}

.page-disclaimer .use-mail__addr {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--neon);
  word-break: break-all;
}

/* ---------- 收尾提示条 ---------- */
.page-disclaimer .use-strip {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.15rem, 3vw, 1.75rem) clamp(1.15rem, 3vw, 2rem);
  display: grid;
  gap: 1rem;
  background: var(--ink-950);
  border: 1px solid var(--steel);
  border-left: 4px solid var(--neon);
  border-radius: var(--radius-md);
}

.page-disclaimer .use-strip__text {
  margin: 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-disclaimer .use-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-disclaimer .use-strip__link {
  display: inline-flex;
  align-items: center;
  padding: .5rem .95rem;
  border: 1px solid var(--steel);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: .875rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .use-strip__link:hover,
.page-disclaimer .use-strip__link:focus-visible {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--neon-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .use-item__body {
    padding-left: calc(var(--use-pad) + var(--use-num) + clamp(.75rem, 2vw, 1.25rem));
  }
}

@media (min-width: 860px) {
  .page-disclaimer .use-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 940px) {
  .page-disclaimer .use-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

@media (max-width: 560px) {
  .page-disclaimer {
    --use-num: 40px;
    --use-pad: 1rem;
  }

  .page-disclaimer .use-flag {
    font-size: .8125rem;
    padding: .5rem .9rem .5rem .75rem;
  }

  .page-disclaimer .use-item__num {
    font-size: .875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .01ms !important;
    transform: none !important;
  }
}