/* ============ 法律声明页 · page-disclaimer ============ */
.page-disclaimer {
  --legal-bg: #04110E;
  --legal-panel: #071A16;
  --legal-line: rgba(143, 169, 161, 0.18);
  --legal-line-soft: rgba(143, 169, 161, 0.10);
  --legal-line-cyan: rgba(59, 240, 196, 0.30);

  background-color: var(--legal-bg);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: calc(var(--step) * 2);
  padding-bottom: calc(var(--step) * 1);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .legal-hero {
  position: relative;
  padding-block: calc(var(--step) * 4) calc(var(--step) * 6);
  border-bottom: 1px solid var(--legal-line);
  isolation: isolate;
}

.page-disclaimer .legal-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--legal-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--legal-line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(155deg, #000 0%, transparent 72%);
  mask-image: linear-gradient(155deg, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-disclaimer .legal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: repeating-linear-gradient(
    118deg,
    transparent 0 40px,
    var(--legal-line-soft) 40px 41px
  );
  -webkit-mask-image: linear-gradient(to bottom left, transparent 34%, #000 100%);
  mask-image: linear-gradient(to bottom left, transparent 34%, #000 100%);
  pointer-events: none;
}

.page-disclaimer .legal-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: calc(var(--step) * 4);
  align-items: end;
}

.page-disclaimer .legal-hero__copy {
  max-width: 46rem;
}

.page-disclaimer .legal-hero__copy .eyebrow {
  color: var(--gold);
}

.page-disclaimer .legal-hero h1 {
  margin: calc(var(--step) * 2) 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 11vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-disclaimer .legal-hero__lede {
  margin: calc(var(--step) * 3) 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .legal-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1) calc(var(--step) * 3);
  margin-top: calc(var(--step) * 4);
  padding-top: calc(var(--step) * 2);
  border-top: 1px solid var(--legal-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .legal-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .legal-hero__meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--cyan);
}

.page-disclaimer .legal-hero__media {
  margin: 0;
  border: 1px solid var(--legal-line);
  background: var(--legal-panel);
}

.page-disclaimer .legal-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

/* ---------- 正文骨架 ---------- */
.page-disclaimer .legal-body {
  display: grid;
  gap: calc(var(--step) * 5);
  padding-block: calc(var(--step) * 6) calc(var(--step) * 8);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .legal-rail {
  border: 1px solid var(--legal-line);
  background: var(--legal-panel);
  padding: calc(var(--step) * 2.5) calc(var(--step) * 2);
}

.page-disclaimer .legal-rail__title {
  margin: 0 0 calc(var(--step) * 2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .legal-rail .index-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .legal-rail .index-rail__link {
  display: block;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 1px solid var(--legal-line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-disclaimer .legal-rail .index-rail__link:hover,
.page-disclaimer .legal-rail .index-rail__link:focus-visible {
  color: var(--gold-lt);
  border-left-color: var(--cyan);
  background: rgba(59, 240, 196, 0.06);
}

/* ---------- 条款区 ---------- */
.page-disclaimer .legal-sections {
  min-width: 0;
}

.page-disclaimer .legal-section {
  padding-block: calc(var(--step) * 5);
  border-top: 1px solid var(--legal-line);
  scroll-margin-top: calc(var(--header-h) + var(--step) * 3);
}

.page-disclaimer .legal-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .legal-section__head {
  display: flex;
  align-items: baseline;
  gap: calc(var(--step) * 2);
  margin-bottom: calc(var(--step) * 3);
}

.page-disclaimer .legal-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-disclaimer .legal-section__title {
  margin: 0;
  font-size: clamp(1.15rem, 4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper);
}

/* ---------- 条款列表 ---------- */
.page-disclaimer .legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-disclaimer .legal-list__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: calc(var(--step) * 1.5);
  padding-block: calc(var(--step) * 1.75);
  border-top: 1px solid var(--legal-line-soft);
}

.page-disclaimer .legal-list__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .legal-list__no {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--gold-lt);
  padding-top: 2px;
}

.page-disclaimer .legal-list__text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-disclaimer .legal-list__sub {
  margin: calc(var(--step) * 1) 0 0;
  max-width: 64ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-disclaimer .legal-list__text a,
.page-disclaimer .legal-list__sub a,
.page-disclaimer .legal-end__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--legal-line-cyan);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .legal-list__text a:hover,
.page-disclaimer .legal-list__sub a:hover,
.page-disclaimer .legal-end__note a:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-lt);
}

/* ---------- 折叠面板（复用全局 accordion） ---------- */
.page-disclaimer .legal-accordion {
  margin-top: calc(var(--step) * 3);
}

.page-disclaimer .legal-accordion .accordion__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .legal-accordion .accordion__panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--legal-line-cyan);
}

/* ---------- 备案与联系 ---------- */
.page-disclaimer .legal-meta-grid {
  display: grid;
  gap: 1px;
  background: var(--legal-line);
  border: 1px solid var(--legal-line);
}

.page-disclaimer .legal-meta-card {
  background: var(--legal-panel);
  padding: calc(var(--step) * 2.5) calc(var(--step) * 2.5);
}

.page-disclaimer .legal-meta-card__key {
  margin: 0 0 calc(var(--step) * 1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .legal-meta-card__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-disclaimer .legal-meta-card__val--mono {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--gold-lt);
}

.page-disclaimer .legal-meta-note {
  margin: calc(var(--step) * 2.5) 0 0;
  padding-left: calc(var(--step) * 2);
  border-left: 2px solid var(--coral);
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 页尾收束 ---------- */
.page-disclaimer .legal-end {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1.5);
  margin-top: calc(var(--step) * 6);
}

.page-disclaimer .legal-end__mark {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-disclaimer .legal-end__mark--gold {
  background: var(--gold);
}

.page-disclaimer .legal-end__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--legal-line-cyan),
    var(--legal-line) 60%,
    transparent
  );
}

.page-disclaimer .legal-end__note {
  margin: calc(var(--step) * 2) 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .legal-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .legal-meta-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .legal-hero {
    padding-block: calc(var(--step) * 6) calc(var(--step) * 8);
  }

  .page-disclaimer .legal-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: calc(var(--step) * 6);
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .legal-body {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: calc(var(--step) * 8);
    align-items: start;
  }

  .page-disclaimer .legal-rail {
    position: sticky;
    top: calc(var(--header-h) + var(--step) * 2);
  }

  .page-disclaimer .legal-list__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: calc(var(--step) * 2);
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .legal-hero__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-rail .index-rail__link,
  .page-disclaimer .legal-list__text a,
  .page-disclaimer .legal-list__sub a,
  .page-disclaimer .legal-end__note a {
    transition: none;
  }
}