.page-disclaimer {
  --dc-lead: 68ch;
  --dc-band: clamp(150px, 24vw, 250px);
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .legal-hero {
  position: relative;
  background:
    radial-gradient(120% 150% at 8% 0%, rgba(53, 240, 192, 0.14), transparent 60%),
    linear-gradient(168deg, #0A1E19 0%, #123029 58%, #071512 100%);
  border-bottom: 1px solid rgba(74, 107, 98, 0.5);
}
.page-disclaimer .legal-hero__band {
  height: var(--dc-band);
  overflow: hidden;
  position: relative;
}
.page-disclaimer .legal-hero__band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.65) contrast(1.05);
}
.page-disclaimer .legal-hero__band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 21, 18, 0.35) 0%, rgba(10, 30, 25, 0.72) 58%, var(--ink) 100%);
}
.page-disclaimer .legal-hero__inner {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(36px, 5vw, 64px);
}
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(159, 232, 210, 0.72);
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-disclaimer .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 192, 0.45);
  padding-bottom: 1px;
}
.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-disclaimer .breadcrumb__sep {
  color: rgba(74, 107, 98, 0.9);
}
.page-disclaimer .legal-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 10px;
}
.page-disclaimer .legal-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(42px, 8vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--ticket);
}
.page-disclaimer .legal-hero__lead {
  max-width: 640px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}
.page-disclaimer .legal-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 9px 16px 9px 14px;
  background: rgba(7, 21, 18, 0.66);
  border: 1px solid rgba(74, 107, 98, 0.62);
  clip-path: var(--cut-sm);
}
.page-disclaimer .legal-hero__meta::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  flex: none;
}
.page-disclaimer .legal-hero__meta .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .legal-index {
  position: sticky;
  top: 0;
  z-index: 8;
  background: linear-gradient(180deg, rgba(7, 21, 18, 0.97), rgba(10, 30, 25, 0.93));
  border-bottom: 1px solid rgba(74, 107, 98, 0.45);
  backdrop-filter: blur(8px);
}
.page-disclaimer .legal-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.page-disclaimer .legal-index__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(159, 232, 210, 0.62);
  flex: none;
  display: none;
}
.page-disclaimer .legal-index__stops {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-disclaimer .legal-index__stop {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 0;
  flex: none;
}
.page-disclaimer .legal-index__stop a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mist);
  border: 1px solid transparent;
  clip-path: var(--cut-sm);
  transition: background 0.2s ease, color 0.2s ease;
}
.page-disclaimer .legal-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  opacity: 0.8;
}
.page-disclaimer .legal-index__stop a:hover,
.page-disclaimer .legal-index__stop a:focus-visible {
  background: rgba(53, 240, 192, 0.1);
  color: var(--ticket);
}
.page-disclaimer .legal-index__stop.is-current a {
  background: rgba(255, 90, 54, 0.14);
  border-color: rgba(255, 90, 54, 0.5);
  color: #FFD9CE;
}
.page-disclaimer .legal-index__stop.is-current .legal-index__num {
  color: var(--orange);
  opacity: 1;
}

/* ---------- 正文 ---------- */
.page-disclaimer .legal-body {
  padding-top: clamp(34px, 5vw, 60px);
  padding-bottom: clamp(56px, 8vw, 100px);
}
.page-disclaimer .legal-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(22px, 3.5vw, 34px) 0;
  max-width: var(--dc-lead);
  scroll-margin-top: 84px;
}
.page-disclaimer .legal-clause__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-disclaimer .legal-clause__content h2 {
  margin: 6px 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ticket);
}
.page-disclaimer .legal-clause__content p {
  margin: 0 0 15px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-disclaimer .legal-clause__content p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .legal-clause__content strong {
  color: var(--ticket);
  font-weight: 700;
}

/* ---------- 折叠条款 ---------- */
.page-disclaimer .legal-fold {
  margin: 20px 0 0;
  border-left: 2px solid rgba(53, 240, 192, 0.45);
  background: rgba(18, 48, 41, 0.55);
  clip-path: var(--cut-sm);
}
.page-disclaimer .legal-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ticket);
}
.page-disclaimer .legal-fold > summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .legal-fold > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}
.page-disclaimer .legal-fold[open] > summary::after {
  content: "–";
}
.page-disclaimer .legal-fold > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-disclaimer .legal-fold__body {
  padding: 0 18px 16px;
}
.page-disclaimer .legal-fold__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-disclaimer .legal-fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 分隔轨迹线 ---------- */
.page-disclaimer .legal-sep {
  height: 1px;
  max-width: var(--dc-lead);
  background: linear-gradient(90deg, rgba(53, 240, 192, 0.55) 0%, rgba(53, 240, 192, 0.12) 46%, rgba(53, 240, 192, 0) 100%);
}

/* ---------- 行动按钮 ---------- */
.page-disclaimer .legal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .legal-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(36px, 5vw, 56px);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--mist);
  border: 1px solid rgba(74, 107, 98, 0.7);
  clip-path: var(--cut-sm);
}
.page-disclaimer .legal-top:hover,
.page-disclaimer .legal-top:focus-visible {
  color: var(--cyan);
  border-color: rgba(53, 240, 192, 0.7);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .legal-index__cap {
    display: inline;
  }
  .page-disclaimer .legal-clause {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0 22px;
  }
  .page-disclaimer .legal-clause__num {
    padding-top: 10px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .legal-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
    column-gap: 48px;
  }
  .page-disclaimer .breadcrumb,
  .page-disclaimer .legal-hero .eyebrow,
  .page-disclaimer .legal-hero h1,
  .page-disclaimer .legal-hero__lead {
    grid-column: 1;
  }
  .page-disclaimer .breadcrumb {
    grid-row: 1;
  }
  .page-disclaimer .legal-hero__meta {
    grid-column: 2;
    grid-row: 2 / span 3;
    align-self: end;
    justify-self: start;
    margin-bottom: 10px;
  }
  .page-disclaimer .legal-clause {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-index__stop a,
  .page-disclaimer .legal-top {
    transition: none;
  }
}
</main>