/* ============================================================
   使用条款 · 页面专属样式
   作用域：.page-disclaimer
   ============================================================ */

.page-disclaimer {
  --legal-pad: clamp(20px, 4vw, 44px);
  --legal-num-size: clamp(46px, 6vw, 84px);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */

.page-disclaimer .legal-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .legal-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.42;
  filter: saturate(0.5) contrast(1.06);
  z-index: 0;
}

.page-disclaimer .legal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(6, 17, 28, 0.52) 0%,
      rgba(6, 17, 28, 0.86) 58%,
      var(--ink) 100%),
    radial-gradient(120% 88% at 84% 6%, rgba(47, 138, 92, 0.30), transparent 62%);
}

.page-disclaimer .legal-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(64px, 11vw, 128px) var(--gutter) clamp(40px, 5.5vw, 68px);
}

.page-disclaimer .legal-hero .breadcrumb {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
}

.page-disclaimer .legal-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pulse);
}

.page-disclaimer .legal-eyebrow::before {
  content: "";
  flex: none;
  width: 30px;
  height: 1px;
  background: var(--pulse);
}

.page-disclaimer .legal-title {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .legal-lede {
  margin: 0 0 clamp(28px, 4vw, 46px);
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 18.5px);
  line-height: 1.9;
  color: var(--text);
}

.page-disclaimer .legal-context {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 0;
  max-width: 800px;
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .legal-context > div {
  padding: 16px 0 0 20px;
  border-left: 1px solid var(--line);
}

.page-disclaimer .legal-context > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-disclaimer .legal-context dt {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-disclaimer .legal-context dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

/* ---------- 主体骨架 ---------- */

.page-disclaimer .legal-shell {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(40px, 5.5vw, 80px) var(--gutter) clamp(64px, 9vw, 128px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 5vw, 64px);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .legal-body {
  min-width: 0;
}

.page-disclaimer .clause {
  padding: clamp(28px, 3.4vw, 46px) 0;
  border-top: 1px solid var(--line);
}

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

.page-disclaimer .clause-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: clamp(12px, 1.8vw, 22px);
  margin-bottom: clamp(16px, 2.1vw, 24px);
}

.page-disclaimer .clause-num {
  font-family: var(--font-display);
  font-size: var(--legal-num-size);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.06em;
  color: var(--grass-lite);
  opacity: 0.62;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.page-disclaimer .clause-title {
  margin: 0;
  padding-bottom: 4px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .prose p {
  margin: 0 0 1.05em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text);
}

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

.page-disclaimer .prose a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 226, 200, 0.42);
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-disclaimer .prose a:hover,
.page-disclaimer .prose a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 右栏摘要 ---------- */

.page-disclaimer .legal-aside {
  min-width: 0;
}

.page-disclaimer .aside-panel {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  box-shadow: 0 24px 48px -32px rgba(0, 0, 0, 0.85);
}

/* 更新标记 */

.page-disclaimer .update-flag {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 2.4vw, 28px);
  padding: 10px 14px;
  background: var(--ref);
  color: var(--ink-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  cursor: help;
}

.page-disclaimer .update-dot {
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--ink-deep);
}

.page-disclaimer .update-note {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 8;
  padding: 12px 14px;
  background: var(--ink-deep);
  border: 1px solid var(--ref);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0.01em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 160ms;
}

.page-disclaimer .update-flag:hover .update-note,
.page-disclaimer .update-flag:focus .update-note,
.page-disclaimer .update-flag:focus-within .update-note {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 目录 */

.page-disclaimer .aside-title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-disclaimer .aside-list {
  counter-reset: aside;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .aside-list li {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .aside-list a {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-disclaimer .aside-list a::before {
  counter-increment: aside;
  content: counter(aside, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  transition: color 160ms var(--ease);
}

.page-disclaimer .aside-list a:hover,
.page-disclaimer .aside-list a:focus-visible {
  color: var(--pulse);
}

.page-disclaimer .aside-list a:hover::before,
.page-disclaimer .aside-list a:focus-visible::before {
  color: var(--pulse);
}

.page-disclaimer .aside-list a[aria-current="true"] {
  color: var(--pulse);
}

.page-disclaimer .aside-list a[aria-current="true"]::before {
  color: var(--grass-lite);
}

/* 侧栏底部入口 */

.page-disclaimer .aside-foot {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: clamp(20px, 2.4vw, 28px);
  padding-top: clamp(18px, 2vw, 24px);
  border-top: 1px solid var(--line-strong);
}

.page-disclaimer .aside-foot p {
  margin: 0 0 2px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-disclaimer .aside-foot .btn {
  display: block;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}

/* ---------- 响应式 ---------- */

@media (max-width: 600px) {

  .page-disclaimer .legal-context {
    grid-template-columns: minmax(0, 1fr);
    border-top: 1px solid var(--line-strong);
  }

  .page-disclaimer .legal-context > div {
    padding: 14px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-disclaimer .legal-context > div:first-child {
    border-top: 0;
  }

  .page-disclaimer .clause-head {
    gap: 12px;
  }

  .page-disclaimer .aside-list a {
    grid-template-columns: 30px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {

  .page-disclaimer .legal-shell {
    grid-template-columns: minmax(0, 1.45fr) minmax(268px, 0.82fr);
    gap: clamp(48px, 5vw, 88px);
    align-items: start;
  }

  .page-disclaimer .aside-panel {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1240px) {

  .page-disclaimer .legal-body {
    padding-right: 8px;
  }
}
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