/* ===== 使用说明页 · page-disclaimer ===== */

.page-disclaimer {
  --dc-stroke: 1px solid var(--divider);
  --dc-num: clamp(28px, 5vw, 52px);
  position: relative;
}

.page-disclaimer .container {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .legal-hero {
  position: relative;
  padding-top: calc(var(--header-h, 78px) + 64px);
  padding-bottom: 0;
}

.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(30px, 5vw, 56px);
  font-size: 13px;
  color: var(--gray);
}

.page-disclaimer .breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--cyan);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--white);
}

.page-disclaimer .breadcrumb__sep {
  color: var(--divider);
}

.page-disclaimer .legal-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: end;
}

.page-disclaimer .legal-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .legal-hero h1 {
  margin: 0 0 24px;
  font-size: clamp(48px, 11vw, 116px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-disclaimer .legal-hero .lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.78;
  color: var(--gray);
}

.page-disclaimer .legal-hero__lead::after {
  content: "";
  display: block;
  width: 96px;
  height: 2px;
  margin-top: 30px;
  background: linear-gradient(90deg, var(--green), var(--orange));
}

.page-disclaimer .legal-hero__vert {
  display: none;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--divider);
}

/* ---------- 顶部抽象图 ---------- */
.page-disclaimer .legal-visual {
  position: relative;
  margin: clamp(40px, 7vw, 72px) 0 0;
}

.page-disclaimer .legal-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  clip-path: polygon(
    0 0,
    calc(100% - 28px) 0,
    100% 28px,
    100% 100%,
    28px 100%,
    0 calc(100% - 28px)
  );
}

.page-disclaimer .legal-visual__caption {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 条目目录 ---------- */
.page-disclaimer .legal-toc {
  margin-top: clamp(52px, 8vw, 96px);
  padding: clamp(24px, 3vw, 36px) 0;
  border-top: var(--dc-stroke);
  border-bottom: var(--dc-stroke);
}

.page-disclaimer .legal-toc__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gray);
}

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

.page-disclaimer .legal-toc__list a {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 6px 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .legal-toc__list a:hover {
  color: var(--white);
  border-bottom-color: var(--cyan-line);
}

.page-disclaimer .legal-toc__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .legal-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* ---------- 条目正文 ---------- */
.page-disclaimer .legal-body {
  margin-top: clamp(46px, 7vw, 80px);
}

.page-disclaimer .legal-item {
  border-top: var(--dc-stroke);
  scroll-margin-top: calc(var(--header-h, 78px) + 28px);
}

.page-disclaimer .legal-item:last-of-type {
  border-bottom: var(--dc-stroke);
}

.page-disclaimer .legal-item__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 20px;
  align-items: center;
  gap: clamp(14px, 2.4vw, 28px);
  min-height: 44px;
  padding: clamp(22px, 3.4vw, 34px) 0;
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .legal-item__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .legal-item__summary::marker {
  content: "";
}

.page-disclaimer .legal-item__no {
  font-family: var(--font-mono);
  font-size: var(--dc-num);
  font-weight: 700;
  line-height: .85;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--divider);
  transition: color .24s var(--ease);
}

.page-disclaimer .legal-item[open] .legal-item__no {
  color: var(--cyan-line);
}

.page-disclaimer .legal-item__summary:hover .legal-item__no,
.page-disclaimer .legal-item__summary:focus-visible .legal-item__no {
  color: var(--cyan);
}

.page-disclaimer .legal-item__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .legal-item__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-disclaimer .legal-item__chev {
  justify-self: end;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-disclaimer .legal-item[open] .legal-item__chev {
  transform: rotate(225deg);
  border-color: var(--cyan);
}

.page-disclaimer .legal-item__body {
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-disclaimer .legal-item__claim {
  position: relative;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding-left: 18px;
  border-left: 3px solid var(--orange);
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--white);
}

.page-disclaimer .legal-list {
  display: grid;
  gap: clamp(12px, 1.6vw, 16px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .legal-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--gray);
  overflow-wrap: anywhere;
}

.page-disclaimer .legal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 12px;
  height: 2px;
  background: var(--green-line);
}

.page-disclaimer .legal-em {
  color: var(--white);
  font-weight: 500;
}

.page-disclaimer .legal-code {
  font-family: var(--font-mono);
  font-size: .92em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 收束 ---------- */
.page-disclaimer .legal-top-link {
  margin: clamp(26px, 4vw, 40px) 0 0;
  font-size: 14px;
}

.page-disclaimer .legal-top-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 2px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .legal-top-link a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-disclaimer .legal-stripes {
  position: relative;
  height: clamp(56px, 9vw, 96px);
  margin-top: clamp(46px, 7vw, 88px);
}

.page-disclaimer .legal-stripes::before,
.page-disclaimer .legal-stripes::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
}

.page-disclaimer .legal-stripes::before {
  inset: 0;
  background-image: repeating-linear-gradient(
    -14deg,
    var(--line) 0 1px,
    transparent 1px 26px
  );
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 35%, #000 65%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 35%, #000 65%, transparent);
}

.page-disclaimer .legal-stripes::after {
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--green) 55%, var(--orange), transparent);
  opacity: .7;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .legal-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .legal-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 56px;
  }

  .page-disclaimer .legal-hero__vert {
    display: block;
    padding-bottom: 8px;
  }

  .page-disclaimer .legal-item__body {
    padding-left: clamp(0px, 6vw, 92px);
    padding-right: clamp(0px, 4vw, 72px);
    max-width: 92ch;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
<<<END>>>