.page-disclaimer {
  display: block;
  background: var(--bg);
  color: var(--silver);
  font-family: var(--f-body);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .legal-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3.6vw, 36px) clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(88% 118% at 94% -12%, rgba(51, 230, 208, 0.085), transparent 62%),
    radial-gradient(70% 104% at 4% 0%, rgba(44, 74, 124, 0.38), transparent 72%),
    linear-gradient(180deg, var(--panel), var(--bg) 88%);
}

.page-disclaimer .legal-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 46, 74, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 46, 74, 0.6) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 74%);
  pointer-events: none;
}

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

.page-disclaimer .legal-hero__body {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .legal-hero h1 {
  margin: 12px 0 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-disclaimer .legal-hero .lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-disclaimer .legal-hero__banner {
  position: relative;
  margin: clamp(26px, 4vw, 46px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(118deg, var(--panel), var(--raised));
  box-shadow: var(--shadow);
}

.page-disclaimer .legal-hero__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0) 42%, rgba(7, 11, 20, 0.62) 100%);
  pointer-events: none;
}

.page-disclaimer .legal-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.94;
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .legal-toc {
  background: var(--panel);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .toc {
  display: block;
}

.page-disclaimer .toc__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-disclaimer .toc__summary::marker {
  content: "";
}

.page-disclaimer .toc__label {
  font-family: var(--f-head);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-disclaimer .toc__count {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-disclaimer .toc__chev {
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-disclaimer .toc[open] .toc__chev {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-disclaimer .toc__summary:hover .toc__label,
.page-disclaimer .toc__summary:focus-visible .toc__label {
  color: var(--cyan);
}

.page-disclaimer .toc__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 0 clamp(18px, 2.6vw, 26px);
  list-style: none;
}

.page-disclaimer .toc__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--silver);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-disclaimer .toc__link:hover,
.page-disclaimer .toc__link:focus-visible {
  color: var(--white);
  padding-left: 8px;
}

.page-disclaimer .toc__index {
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .legal-body {
  padding-block: clamp(38px, 6vw, 78px);
}

.page-disclaimer .clause {
  scroll-margin-top: 108px;
}

.page-disclaimer .clause + .clause {
  margin-top: clamp(34px, 5vw, 62px);
  padding-top: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-disclaimer .clause__no {
  flex: none;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(36px, 6.2vw, 66px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  color: var(--mid);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--f-head);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .clause__title::before {
  content: "§ ";
  color: var(--cyan);
  opacity: 0;
  transition: opacity 200ms var(--ease);
}

.page-disclaimer .clause__head:hover .clause__title::before {
  opacity: 1;
}

.page-disclaimer .clause__body {
  display: grid;
  gap: 20px;
}

.page-disclaimer .clause__item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-disclaimer .clause__item-no {
  padding-top: 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-disclaimer .clause__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-disclaimer .clause__item a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--steel);
  text-underline-offset: 3px;
  transition: color 200ms var(--ease), text-decoration-color 200ms var(--ease);
}

.page-disclaimer .clause__item a:hover,
.page-disclaimer .clause__item a:focus-visible {
  color: var(--cyan);
  text-decoration-color: var(--cyan);
}

/* ---------- 返回顶部 ---------- */

.page-disclaimer .legal-back {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--raised);
  color: var(--silver);
  font-family: var(--f-head);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: color 200ms var(--ease), background-color 200ms var(--ease),
    border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-disclaimer .legal-back__ring {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
}

.page-disclaimer .legal-back:hover,
.page-disclaimer .legal-back:focus-visible {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 900px) {
  .page-disclaimer .clause__body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(36px, 5vw, 68px);
    row-gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .legal-hero__body {
    display: grid;
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    column-gap: clamp(40px, 5vw, 76px);
    align-items: end;
  }

  .page-disclaimer .legal-hero h1 {
    margin-top: 14px;
  }

  .page-disclaimer .legal-hero .lede {
    max-width: 44ch;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .legal-hero__banner img {
    aspect-ratio: 10 / 3;
  }
}

@media (max-width: 520px) {
  .page-disclaimer .legal-back {
    padding: 10px;
  }

  .page-disclaimer .legal-back__text {
    display: none;
  }

  .page-disclaimer .clause__item {
    grid-template-columns: 2.6rem minmax(0, 1fr);
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc__chev,
  .page-disclaimer .toc__link,
  .page-disclaimer .clause__title::before,
  .page-disclaimer .legal-back,
  .page-disclaimer .clause__item a {
    transition: none;
  }
}