/* ===== 使用说明页 · 页面专属样式 ===== */
.page-disclaimer {
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .legal-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-h) + 40px);
  background:
    radial-gradient(92% 118% at 88% 4%, rgba(46, 107, 255, .34), transparent 62%),
    linear-gradient(158deg, var(--night) 0%, var(--night-deep) 58%, #0d2144 100%);
  color: var(--snow);
  overflow: hidden;
}

.page-disclaimer .legal-hero__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-disclaimer .legal-hero__grid {
  display: block;
  width: 100%;
  height: 100%;
}

.page-disclaimer .legal-hero__grid .ln {
  fill: none;
  stroke: var(--ice);
  stroke-width: 1.2;
  opacity: .26;
}

.page-disclaimer .legal-hero__grid .glow {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.4;
  opacity: .34;
}

.page-disclaimer .legal-hero__grid .flag-b { fill: var(--flag-blue); opacity: .5; }
.page-disclaimer .legal-hero__grid .flag-w { fill: var(--white); opacity: .42; }
.page-disclaimer .legal-hero__grid .flag-r { fill: var(--flag-red); opacity: .5; }
.page-disclaimer .legal-hero__grid .flag-g { fill: var(--flag-green); opacity: .5; }
.page-disclaimer .legal-hero__grid .flag-y { fill: var(--flag-yellow); opacity: .5; }

.page-disclaimer .legal-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .legal-hero .breadcrumb {
  color: rgba(247, 250, 255, .62);
  font-size: 13px;
  margin-bottom: 22px;
}

.page-disclaimer .legal-hero .breadcrumb a {
  color: rgba(247, 250, 255, .82);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 250, 255, .28);
}

.page-disclaimer .legal-hero .breadcrumb a:hover {
  color: var(--white);
  border-bottom-color: var(--orange);
}

.page-disclaimer .legal-hero .eyebrow {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-disclaimer .legal-hero h1 {
  margin: 0;
  max-width: 19ch;
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--snow);
}

.page-disclaimer .legal-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.8;
  color: rgba(247, 250, 255, .82);
}

.page-disclaimer .legal-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
}

.page-disclaimer .legal-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-disclaimer .legal-hero__meta .label {
  color: rgba(247, 250, 255, .52);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-disclaimer .legal-hero__meta .stat-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--snow);
  word-break: break-all;
}

.page-disclaimer .legal-hero__meta a.stat-mono {
  text-decoration: none;
  border-bottom: 1px dashed rgba(247, 250, 255, .38);
}

.page-disclaimer .legal-hero__meta a.stat-mono:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-disclaimer .legal-hero__figure {
  position: relative;
  z-index: 1;
  margin: 42px auto 0;
  max-width: 1240px;
  padding: 0 var(--gutter);
}

.page-disclaimer .legal-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-dark);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ---------- 阅读主体 ---------- */
.page-disclaimer .legal-body {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* 条款目录 */
.page-disclaimer .legal-toc__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-left: 12px;
}

.page-disclaimer .legal-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-disclaimer .legal-toc__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .legal-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .legal-toc__list a .stat-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-disclaimer .legal-toc__list a:hover,
.page-disclaimer .legal-toc__list a:focus-visible {
  color: var(--ink);
  border-color: var(--ice);
  background: rgba(77, 163, 255, .1);
}

.page-disclaimer .legal-toc__note {
  margin: 16px 0 0;
  padding-left: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 2px solid var(--line);
}

.page-disclaimer .legal-toc__note a {
  color: var(--flag-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 107, 255, .35);
}

/* 条款正文 */
.page-disclaimer .legal-article {
  display: grid;
  gap: clamp(34px, 4.6vw, 56px);
  min-width: 0;
  max-width: 80ch;
}

.page-disclaimer .clause {
  position: relative;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-disclaimer .clause::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 108px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 90, 54, 0));
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
  border: 1px solid rgba(255, 90, 54, .38);
  border-radius: 999px;
  padding: 5px 11px;
  background: rgba(255, 90, 54, .06);
}

.page-disclaimer .clause h2 {
  margin: 0;
  font-size: clamp(21px, 2.7vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .clause__body p {
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.page-disclaimer .clause__body strong {
  color: var(--ink);
  font-weight: 800;
}

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 1.3em;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--ice);
  transform: rotate(45deg);
}

.page-disclaimer .clause__list li strong {
  color: var(--ink);
  font-weight: 800;
}

.page-disclaimer .clause__callout {
  margin: 22px 0 0;
  padding: 15px 20px;
  border-left: 3px solid var(--flag-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(77, 163, 255, .12), rgba(77, 163, 255, .02));
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-disclaimer .clause__body .clause__callout {
  margin-bottom: 0;
}

.page-disclaimer .clause__callout a {
  color: var(--flag-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 107, 255, .4);
}

.page-disclaimer .clause__callout a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 联系行 */
.page-disclaimer .contact-lines {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--line);
}

.page-disclaimer .contact-lines li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 14px 18px;
  background: var(--white);
}

.page-disclaimer .contact-lines .label {
  flex: none;
  min-width: 84px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-disclaimer .contact-lines .stat-mono {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  word-break: break-all;
}

.page-disclaimer .contact-lines a {
  font-size: 15px;
  font-weight: 700;
  color: var(--flag-blue);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(46, 107, 255, .35);
}

.page-disclaimer .contact-lines a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 收尾 */
.page-disclaimer .legal-outro {
  margin-top: clamp(14px, 2vw, 22px);
  padding: clamp(26px, 4vw, 40px);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 130% at 100% 0%, rgba(255, 90, 54, .22), transparent 60%),
    linear-gradient(140deg, var(--night) 0%, var(--night-2) 100%);
  color: var(--snow);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .legal-outro__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--snow);
}

.page-disclaimer .legal-outro__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 250, 255, .78);
}

.page-disclaimer .legal-outro__links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 640px) {
  .page-disclaimer .legal-hero {
    padding-top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .legal-hero h1 {
    max-width: 100%;
    font-size: clamp(28px, 8.4vw, 36px);
  }

  .page-disclaimer .legal-hero__meta {
    gap: 14px 26px;
  }

  .page-disclaimer .legal-hero__figure {
    margin-top: 30px;
  }

  .page-disclaimer .legal-hero__figure img {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .page-disclaimer .clause__head {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px 12px;
  }

  .page-disclaimer .legal-outro__links .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

/* ---------- 桌面端两栏 ---------- */
@media (min-width: 980px) {
  .page-disclaimer .legal-hero {
    padding-top: calc(var(--header-h) + 64px);
  }

  .page-disclaimer .legal-body {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(56px, 6vw, 92px);
    align-items: start;
  }

  .page-disclaimer .legal-toc {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    padding-top: 4px;
  }

  .page-disclaimer .legal-toc__list {
    display: grid;
    gap: 4px;
    overflow: visible;
  }

  .page-disclaimer .legal-toc__list a {
    white-space: normal;
    border-radius: var(--radius-sm);
    width: 100%;
    border-color: transparent;
    background: transparent;
    padding: 9px 12px;
  }

  .page-disclaimer .legal-toc__list a:hover,
  .page-disclaimer .legal-toc__list a:focus-visible {
    background: var(--white);
    border-color: var(--line);
  }

  .page-disclaimer .legal-toc::after {
    content: "";
    display: block;
    margin-top: 20px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--orange), var(--ice) 55%, transparent);
  }
}
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