/* ===== 使用协议页 · 单栏窄卷轴 + 编号条款 ===== */
.page-disclaimer {
  --disc-num-col: clamp(52px, 16vw, 104px);
  --disc-col-gap: clamp(16px, 4vw, 36px);
  --disc-measure: 620px;
  position: relative;
  overflow-x: hidden;
  background: var(--ink-900);
  color: var(--mist-050);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .agreement-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(28px, 6vw, 56px);
}

.page-disclaimer .agreement-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -32% -10% 24% -10%;
  background:
    radial-gradient(58% 62% at 12% 24%, rgba(56, 232, 255, 0.13), transparent 68%),
    radial-gradient(52% 58% at 88% 8%, rgba(138, 107, 255, 0.16), transparent 70%),
    radial-gradient(72% 60% at 50% 100%, rgba(6, 43, 51, 0.9), transparent 74%);
  pointer-events: none;
}

.page-disclaimer .agreement-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
}

.page-disclaimer .agreement-hero__lead .eyebrow {
  margin: 0 0 clamp(14px, 3vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-disclaimer .agreement-hero__lead h1 {
  margin: 0 0 clamp(18px, 4vw, 28px);
  font-size: clamp(42px, 11vw, 104px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--mist-050);
}

.page-disclaimer .agreement-hero__lead .lede {
  max-width: var(--disc-measure);
  margin: 0;
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.9;
  color: var(--slate-400);
}

.page-disclaimer .agreement-hero__meta {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .agreement-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: 6px;
}

.page-disclaimer .agreement-hero__meta dd {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 24px);
  color: var(--mist-050);
  line-height: 1.2;
}

.page-disclaimer .agreement-hero__figure {
  margin: clamp(32px, 7vw, 68px) auto 0;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  padding: 0 var(--gutter) clamp(28px, 6vw, 56px);
  border-bottom: 1px solid var(--line-700);
}

.page-disclaimer .agreement-hero__figure .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-700);
  border-radius: 3px;
  background: var(--ink-800);
}

.page-disclaimer .agreement-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .agreement-hero__figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
}

/* ---------- 卷轴主体 ---------- */
.page-disclaimer .agreement-body {
  max-width: 920px;
  margin-inline: auto;
  padding-top: clamp(36px, 7vw, 68px);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .agreement-toc {
  border-top: 1px solid var(--line-700);
  padding-top: clamp(18px, 4vw, 26px);
  margin-bottom: clamp(28px, 6vw, 52px);
}

.page-disclaimer .agreement-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-disclaimer .agreement-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .agreement-toc__list a {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 18px;
  font-size: 15px;
  color: var(--slate-400);
  text-decoration: none;
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-disclaimer .agreement-toc__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 100%;
  background: var(--cyan-400);
  transform: translateY(-50%) scaleY(0);
  transform-origin: center;
  transition: transform 0.26s var(--ease);
}

.page-disclaimer .agreement-toc__list a:hover,
.page-disclaimer .agreement-toc__list a:focus-visible {
  color: var(--mist-050);
  background: rgba(56, 232, 255, 0.06);
}

.page-disclaimer .agreement-toc__list a:hover::before,
.page-disclaimer .agreement-toc__list a:focus-visible::before {
  transform: translateY(-50%) scaleY(1);
}

.page-disclaimer .agreement-toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

/* ---------- 编号条款 ---------- */
.page-disclaimer .clause {
  position: relative;
  display: grid;
  grid-template-columns: var(--disc-num-col) minmax(0, 1fr);
  gap: var(--disc-col-gap);
  padding: clamp(26px, 5.5vw, 48px) 0;
  border-top: 1px solid var(--line-700);
  scroll-margin-top: 120px;
}

.page-disclaimer .clause::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan-700);
}

.page-disclaimer .clause__num {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6.4vw, 42px);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
  color: var(--cyan-400);
  text-decoration: none;
  transition: color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-disclaimer .clause__num:hover,
.page-disclaimer .clause__num:focus-visible {
  color: var(--gold-400);
  transform: translateY(-2px);
}

.page-disclaimer .clause__body h2 {
  margin: 0 0 0.75em;
  font-size: clamp(19px, 3.6vw, 25px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.45;
  color: var(--mist-050);
}

.page-disclaimer .clause__body p {
  max-width: var(--disc-measure);
  margin: 0 0 1em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--slate-400);
}

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

.page-disclaimer .clause__body a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--gold-400);
  border-bottom-color: var(--gold-400);
}

.page-disclaimer .clause__body strong {
  font-weight: 500;
  color: var(--mist-050);
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: var(--disc-measure);
}

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

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.92em;
  width: 12px;
  height: 1px;
  background: var(--cyan-700);
}

/* ---------- 页尾收束 ---------- */
.page-disclaimer .agreement-foot {
  position: relative;
  margin-top: clamp(36px, 7vw, 72px);
  padding: clamp(40px, 8vw, 76px) 0 clamp(48px, 9vw, 96px);
  border-top: 1px solid var(--line-700);
  background:
    radial-gradient(72% 120% at 50% 118%, rgba(56, 232, 255, 0.12), transparent 68%),
    linear-gradient(180deg, rgba(6, 11, 24, 0) 0%, rgba(6, 43, 51, 0.55) 55%, rgba(11, 18, 38, 0.92) 100%);
}

.page-disclaimer .agreement-foot__note {
  max-width: var(--disc-measure);
  margin: 0 0 clamp(20px, 4vw, 30px);
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-disclaimer .agreement-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .agreement-hero__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
  }

  .page-disclaimer .agreement-hero__meta {
    border-left: 1px solid var(--line-700);
    padding-left: 26px;
  }
}

@media (max-width: 600px) {
  .page-disclaimer .clause {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-disclaimer .clause::after {
    display: none;
  }

  .page-disclaimer .clause__num {
    font-size: 30px;
  }

  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__list li {
    font-size: 16px;
  }
}