.page-disclaimer {
  --pd-rail-w: 264px;
  --pd-cut: 20px;
  display: block;
  background: var(--ink);
  color: var(--cream);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumbs {
  padding-top: 22px;
  font-size: 13px;
  color: var(--grey);
  letter-spacing: .04em;
}
.page-disclaimer .crumbs a {
  color: var(--grey);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-disclaimer .crumbs a:hover {
  color: var(--gold-lt);
}
.page-disclaimer .crumbs__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .pd-hero {
  position: relative;
  padding-top: 14px;
}
.page-disclaimer .pd-hero__inner {
  padding-block: 26px 40px;
}
.page-disclaimer .pd-hero__title {
  margin: 12px 0 18px;
  color: var(--gold);
}
.page-disclaimer .pd-hero__lede {
  max-width: 64ch;
  color: rgba(242, 232, 213, .86);
}
.page-disclaimer .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .pd-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-left: 13px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
}
.page-disclaimer .pd-hero__key {
  color: var(--grey);
  letter-spacing: .08em;
}
.page-disclaimer .pd-hero__meta .mono {
  color: var(--cyan);
  font-size: 13.5px;
}
.page-disclaimer .pd-hero__band {
  height: 5px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-lt) 34%, var(--cyan) 62%, var(--panel) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 34px) 100%, 0 100%);
  opacity: .82;
}

/* ---------- 顶部视觉 ---------- */
.page-disclaimer .pd-visual {
  padding-top: 40px;
}
.page-disclaimer .pd-visual .figure {
  margin: 0;
}
.page-disclaimer .pd-visual .figure__frame {
  aspect-ratio: 1200 / 420;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-disclaimer .pd-visual .figure__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-disclaimer .pd-visual .figure__caption {
  margin-top: 12px;
  font-size: var(--fs-note);
  letter-spacing: .16em;
  color: var(--grey);
  line-height: 1.7;
}

/* ---------- 正文骨架 ---------- */
.page-disclaimer .pd-body {
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(40px, 5vw, 72px);
}
.page-disclaimer .pd-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .pd-rail {
  border-left: 1px solid var(--line-soft);
  padding-left: 16px;
}
.page-disclaimer .rail__title {
  margin: 0 0 12px;
  font-size: var(--fs-note);
  letter-spacing: .24em;
  color: var(--gold);
}
.page-disclaimer .rail__list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-disclaimer .rail__link {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.page-disclaimer .rail__link:hover {
  color: var(--cream);
}
.page-disclaimer .rail__link.is-active {
  color: var(--gold-lt);
}
.page-disclaimer .rail__link.is-active .pd-rail__num {
  color: var(--cyan);
}
.page-disclaimer .pd-rail__num {
  font-size: 12.5px;
  color: var(--line-strong);
  letter-spacing: .04em;
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .pd-clause {
  position: relative;
  border-top: 1px solid var(--line-soft);
  padding-top: 26px;
  margin-bottom: clamp(38px, 4.5vw, 56px);
}
.page-disclaimer .pd-clause:last-of-type {
  margin-bottom: 48px;
}
.page-disclaimer .pd-clause--key {
  border-left: 3px solid var(--gold);
  padding-left: 20px;
}
.page-disclaimer .pd-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 16px;
}
.page-disclaimer .pd-clause__num {
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: .08em;
}
.page-disclaimer .pd-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 22px);
  letter-spacing: -.01em;
  color: var(--cream);
}
.page-disclaimer .pd-clause__body p {
  margin: 0 0 15px;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(242, 232, 213, .88);
}
.page-disclaimer .pd-clause__body p:last-child {
  margin-bottom: 0;
}
.page-disclaimer .pd-inline {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .pd-inline:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 版本差异 ---------- */
.page-disclaimer .pd-diff {
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.page-disclaimer .pd-diff__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 26px);
  letter-spacing: -.01em;
  color: var(--gold);
}
.page-disclaimer .pd-diff__lede {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}
.page-disclaimer .pd-diff__panel {
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), var(--pd-cut) 100%, 0 100%);
}
.page-disclaimer .pd-diff__summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold-lt);
  border-bottom: 1px solid var(--line-soft);
}
.page-disclaimer .pd-diff__summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .pd-diff__summary::before {
  content: "▸ ";
  color: var(--cyan);
}
.page-disclaimer .pd-diff__panel[open] .pd-diff__summary::before {
  content: "▾ ";
}
.page-disclaimer .pd-diff__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.page-disclaimer .pd-diff__col {
  padding: 20px;
}
.page-disclaimer .pd-diff__col + .pd-diff__col {
  border-top: 1px solid var(--line-soft);
}
.page-disclaimer .pd-diff__col--old {
  background: rgba(30, 30, 38, .55);
}
.page-disclaimer .pd-diff__col--new {
  background: linear-gradient(180deg, rgba(201, 162, 39, .07), rgba(10, 10, 12, 0) 70%);
}
.page-disclaimer .pd-diff__colhead {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
}
.page-disclaimer .pd-diff__col--old .pd-diff__colhead {
  color: var(--grey);
}
.page-disclaimer .pd-diff__col--new .pd-diff__colhead {
  color: var(--cyan);
}
.page-disclaimer .pd-diff__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .pd-diff__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 11px;
  font-size: 14.5px;
  line-height: 1.75;
}
.page-disclaimer .pd-diff__list li:last-child {
  margin-bottom: 0;
}
.page-disclaimer .pd-diff__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}
.page-disclaimer .pd-diff__col--old .pd-diff__list {
  color: rgba(242, 232, 213, .58);
}
.page-disclaimer .pd-diff__col--new .pd-diff__list {
  color: rgba(242, 232, 213, .92);
}

/* ---------- 帮助窄带 ---------- */
.page-disclaimer .pd-help {
  margin-top: clamp(32px, 4vw, 56px);
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(201, 162, 39, .06);
}
.page-disclaimer .pd-help__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
  padding-block: 26px;
}
.page-disclaimer .pd-help__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(242, 232, 213, .88);
}
.page-disclaimer .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .pd-diff__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-disclaimer .pd-diff__col + .pd-diff__col {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .pd-body__grid {
    grid-template-columns: var(--pd-rail-w) 1fr;
    gap: 60px;
    align-items: start;
  }
  .page-disclaimer .pd-rail {
    position: sticky;
    top: var(--rail-top);
    padding-left: 20px;
  }
  .page-disclaimer .rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-disclaimer .rail__link {
    padding: 11px 0;
    border-bottom: 1px solid var(--line-soft);
    white-space: normal;
  }
  .page-disclaimer .rail__link.is-active {
    border-bottom-color: var(--line-strong);
  }
}

@media (min-width: 1320px) {
  .page-disclaimer .pd-clause--key {
    padding-left: 26px;
  }
}

/* ---------- 窄屏细节 ---------- */
@media (max-width: 520px) {
  .page-disclaimer .pd-hero__meta li {
    padding-left: 10px;
  }
  .page-disclaimer .pd-clause--key {
    padding-left: 14px;
  }
  .page-disclaimer .pd-diff__summary {
    padding: 13px 15px;
    letter-spacing: .08em;
  }
  .page-disclaimer .pd-diff__col {
    padding: 16px;
  }
  .page-disclaimer .pd-help__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rail__link,
  .page-disclaimer .pd-inline,
  .page-disclaimer .crumbs a {
    transition: none;
  }
}