.page-disclaimer {
  --pd-slant-x: 2px;
  background: var(--pearl);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-disclaimer__hero {
  padding-top: 22px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer__hero .breadcrumb {
  margin-bottom: 26px;
}

.pd-hero__grid {
  display: grid;
  gap: 30px;
}

.pd-hero__lead .index-label {
  display: block;
  color: var(--orange-text);
  margin-bottom: 16px;
}

.page-disclaimer h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 9vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--deep);
}

.page-disclaimer .lede {
  margin: 0;
  max-width: 560px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
}

.pd-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
  line-height: 0;
}

.pd-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer__body {
  display: grid;
  align-items: start;
  gap: 36px;
  padding-top: 44px;
  padding-bottom: 88px;
}

.page-disclaimer__side {
  order: -1;
}

.page-disclaimer__clauses {
  order: 1;
  min-width: 0;
}

/* ---------- 版本标签 ---------- */
.vtag {
  border: 1px solid var(--gold);
  background: var(--pearl);
}

.vtag__sum {
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 15px 17px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.vtag__sum::-webkit-details-marker {
  display: none;
}

.vtag[open] .vtag__sum {
  border-bottom-color: var(--gold);
}

.vtag__sum .index-label {
  display: block;
  color: var(--gold-text);
  margin-bottom: 9px;
}

.vtag__code {
  display: block;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--deep);
  margin-bottom: 9px;
}

.vtag__state {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-text);
  border-top: 1px solid var(--gold);
  padding-top: 7px;
}

.vtag__panel {
  padding: 13px 17px 17px;
}

.vtag__panel p {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 条款 ---------- */
.clauses {
  position: relative;
}

.clause {
  position: relative;
  padding: 30px 0 30px 24px;
}

.clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--mist);
  transition: background var(--dur) var(--ease);
}

.clause:hover::before {
  background: var(--orange);
}

.clause + .clause::after {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  width: 42px;
  height: 1px;
  background: var(--mist);
}

.clause__head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 13px;
}

.clause__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.clause__num:hover {
  border-bottom-color: var(--orange);
}

.clause__title {
  margin: 0;
  font-size: clamp(19px, 4.6vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--deep);
}

.clause__text {
  max-width: 700px;
}

.clause__text p {
  margin: 0 0 13px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.clause__text p:last-of-type {
  margin-bottom: 0;
}

.clause__text a {
  color: var(--orange-text);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--dur) var(--ease);
}

.clause__text a:hover {
  color: var(--orange);
}

.pd-slant {
  position: absolute;
  left: var(--pd-slant-x);
  top: -13px;
  width: 26px;
  height: 1px;
  background: var(--orange);
  transform: rotate(-18deg);
  transform-origin: 0 50%;
}

/* ---------- 复制按钮 ---------- */
.page-disclaimer .copy-btn {
  margin-top: 15px;
  padding: 7px 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--graphite);
  background: none;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .copy-btn:hover {
  border-color: var(--orange);
  color: var(--orange-text);
}

.page-disclaimer .copy-btn[data-copied="true"] {
  border-color: var(--cyan);
  color: var(--cyan-text);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .pd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

  .clause {
    padding-left: 34px;
  }

  .clause + .clause::after {
    left: 34px;
    width: 56px;
  }

  .pd-slant {
    left: -34px;
    top: 40px;
    width: 34px;
    transform-origin: 100% 50%;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__hero {
    padding-top: 30px;
    padding-bottom: 58px;
  }

  .page-disclaimer__body {
    grid-template-columns: minmax(0, 1fr) 232px;
    column-gap: 80px;
    padding-top: 68px;
    padding-bottom: 112px;
  }

  .page-disclaimer__side {
    order: 2;
  }

  .page-disclaimer__clauses {
    order: 1;
  }

  .page-disclaimer__side .vtag {
    position: sticky;
    top: 96px;
  }

  .clause {
    padding-top: 38px;
    padding-bottom: 38px;
    padding-left: 40px;
  }

  .clause + .clause::after {
    left: 40px;
    width: 72px;
  }

  .pd-slant {
    left: -40px;
    top: 52px;
  }
}