/* ===== 使用协议 · page-disclaimer ===== */

.page-disclaimer {
  --pd-rule: rgba(140, 163, 154, .22);
  --pd-rule-strong: rgba(140, 163, 154, .45);
  --pd-soft: rgba(20, 58, 47, .55);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 42px;
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -160px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(70, 216, 255, .15), rgba(70, 216, 255, 0) 68%);
  pointer-events: none;
}

.page-disclaimer .doc-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 30px;
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-disclaimer .doc-hero__text {
  min-width: 0;
}

.page-disclaimer .doc-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(31px, 6.4vw, 52px);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-disclaimer .doc-hero__lead {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-disclaimer .doc-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--pd-rule);
  background: linear-gradient(150deg, var(--navy), var(--pine));
  aspect-ratio: 3 / 2;
}

.page-disclaimer .doc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-disclaimer .doc-hero__scale {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  height: 12px;
  border-bottom: 1px solid var(--pd-rule);
  background-image: repeating-linear-gradient(90deg,
      var(--pd-rule-strong) 0 1px,
      rgba(0, 0, 0, 0) 1px 30px);
}

/* ---------- 主体骨架 ---------- */

.page-disclaimer .doc-body {
  padding-top: 6px;
}

.page-disclaimer .doc-layout {
  display: grid;
  gap: 30px;
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .doc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .doc-toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .doc-toc__list > li {
  flex: 0 0 auto;
}

.page-disclaimer .doc-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--pd-rule);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  color: var(--lime);
  border-color: rgba(201, 255, 74, .5);
}

.page-disclaimer .doc-toc__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

/* ---------- 条款 ---------- */

.page-disclaimer .doc-clauses {
  min-width: 0;
}

.page-disclaimer .clause {
  --accent: var(--lime);
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer .clause:nth-of-type(2) { --accent: var(--blue); }
.page-disclaimer .clause:nth-of-type(3) { --accent: var(--orange); }
.page-disclaimer .clause:nth-of-type(4) { --accent: var(--blue); }
.page-disclaimer .clause:nth-of-type(5) { --accent: var(--lime); }

.page-disclaimer .clause:last-of-type {
  border-bottom: 1px solid var(--pd-rule);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 24px 0 22px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-disclaimer .clause__head:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause__title {
  flex: 1 1 auto;
  margin: 0;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.35;
  color: var(--mist);
}

.page-disclaimer .clause__caret {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 22px;
  height: 22px;
  margin-left: auto;
}

.page-disclaimer .clause__caret::before,
.page-disclaimer .clause__caret::after {
  content: "";
  position: absolute;
  background: var(--slate);
  transition: transform .22s ease, background-color .22s ease;
}

.page-disclaimer .clause__caret::before {
  left: 50%;
  top: 3px;
  width: 1.5px;
  height: 16px;
  transform: translateX(-50%);
}

.page-disclaimer .clause__caret::after {
  top: 50%;
  left: 3px;
  width: 16px;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-disclaimer .clause__head:hover .clause__caret::before,
.page-disclaimer .clause__head:hover .clause__caret::after {
  background: var(--lime);
}

.page-disclaimer .clause[open] .clause__caret::before {
  transform: translateX(-50%) scaleY(0);
}

.page-disclaimer .clause[open] .clause__caret::after {
  background: var(--accent);
}

.page-disclaimer .clause__body {
  padding: 0 0 32px;
}

.page-disclaimer .clause__items {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__item {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
}

.page-disclaimer .clause__idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause__item p {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .clause__item strong {
  font-weight: 600;
  color: var(--lime);
}

.page-disclaimer .clause__item a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

/* ---------- 配合查看 ---------- */

.page-disclaimer .doc-points {
  margin-top: 46px;
  padding: 24px 22px 8px;
  border: 1px solid var(--pd-rule);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(14, 43, 58, .72), rgba(20, 58, 47, .5));
}

.page-disclaimer .doc-points__title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-disclaimer .doc-points__list > li + li {
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer .doc-points a {
  display: block;
  padding: 14px 2px;
  text-decoration: none;
}

.page-disclaimer .doc-points__name {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  transition: color .2s ease;
}

.page-disclaimer .doc-points__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-disclaimer .doc-points a:hover .doc-points__name,
.page-disclaimer .doc-points a:focus-visible .doc-points__name {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-disclaimer .doc-hero {
    padding: 34px 0 52px;
  }

  .page-disclaimer .doc-hero__lead {
    font-size: 17px;
  }

  .page-disclaimer .clause__head {
    gap: 20px;
    padding: 30px 0 24px;
  }

  .page-disclaimer .clause__num {
    min-width: 76px;
    font-size: 44px;
  }

  .page-disclaimer .clause__title {
    font-size: 25px;
  }

  .page-disclaimer .clause__body {
    padding-left: 96px;
  }

  .page-disclaimer .clause__item {
    padding-left: 18px;
  }

  .page-disclaimer .clause__item p {
    font-size: 16px;
  }

  .page-disclaimer .doc-points {
    padding: 28px 30px 10px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-disclaimer .doc-toc__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-disclaimer .doc-toc a {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 8px 0 8px 14px;
    border: 0;
    border-left: 2px solid var(--pd-rule);
    border-radius: 0;
    font-size: 14px;
    font-weight: 500;
    white-space: normal;
  }

  .page-disclaimer .doc-toc a:hover,
  .page-disclaimer .doc-toc a:focus-visible {
    border-left-color: var(--lime);
    color: var(--lime);
  }

  .page-disclaimer .doc-toc__num {
    font-size: 12px;
    color: var(--slate);
  }

  .page-disclaimer .doc-points__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-disclaimer .doc-points__list > li + li {
    border-top: 0;
    border-left: 1px solid var(--pd-rule);
  }

  .page-disclaimer .doc-points__list > li > a {
    padding: 6px 20px 14px;
  }

  .page-disclaimer .doc-points__list > li:first-child > a {
    padding-left: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc a,
  .page-disclaimer .clause__caret::before,
  .page-disclaimer .clause__caret::after,
  .page-disclaimer .doc-points__name {
    transition: none;
  }
}