.page-disclaimer {
  --pd-paper-2: #EDE6D7;
  --pd-ink-soft: rgba(36, 28, 20, 0.82);
  --pd-rule: rgba(36, 28, 20, 0.16);
  --pd-mist-line: rgba(127, 184, 174, 0.36);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .pd-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-green);
  color: var(--paper);
  padding: calc(var(--header-h) + 20px) 0 44px;
}

.page-disclaimer .pd-hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.62;
  -webkit-mask-image: radial-gradient(135% 92% at 12% 0%, #000 0%, rgba(0, 0, 0, 0) 78%);
  mask-image: radial-gradient(135% 92% at 12% 0%, #000 0%, rgba(0, 0, 0, 0) 78%);
}

.page-disclaimer .pd-hero__axis {
  position: absolute;
  z-index: 0;
  right: -8%;
  top: 14%;
  width: 54%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(53, 224, 208, 0) 0%, var(--cyan) 58%, rgba(53, 224, 208, 0) 100%);
  transform: rotate(-21deg);
  transform-origin: right center;
  opacity: 0.6;
}

.page-disclaimer .pd-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.page-disclaimer .pd-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-disclaimer .pd-crumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.page-disclaimer .pd-crumb__item + .pd-crumb__item::before {
  content: "/";
  color: var(--pd-mist-line);
}

.page-disclaimer .pd-crumb__item a {
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--pd-mist-line);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .pd-crumb__item a:hover,
.page-disclaimer .pd-crumb__item a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .pd-crumb__item--current {
  color: var(--cyan);
}

.page-disclaimer .pd-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .pd-kicker__id {
  padding: 2px 7px;
  border: 1px solid rgba(53, 224, 208, 0.38);
  color: var(--data);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-disclaimer .pd-title {
  margin: 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .pd-intro {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 摘要卡 ---------- */

.page-disclaimer .pd-brief {
  position: relative;
  margin-top: 10px;
  overflow: hidden;
  background: var(--arena-black);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}

.page-disclaimer .pd-brief__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-disclaimer .pd-brief::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(165deg, rgba(10, 20, 19, 0.68) 0%, rgba(10, 20, 19, 0.95) 72%);
}

.page-disclaimer .pd-brief__head,
.page-disclaimer .pd-brief__list {
  position: relative;
  z-index: 2;
}

.page-disclaimer .pd-brief__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 18px 20px 12px;
}

.page-disclaimer .pd-brief__label {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.page-disclaimer .pd-brief__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--data);
}

.page-disclaimer .pd-brief__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-disclaimer .pd-brief__item {
  display: block;
}

.page-disclaimer .pd-brief__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding: 16px 20px;
  background: var(--arena-black);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 160ms var(--ease);
}

.page-disclaimer .pd-brief__link:hover,
.page-disclaimer .pd-brief__link:focus-visible {
  background: var(--ink-green);
}

.page-disclaimer .pd-brief__link:focus-visible {
  outline: 2px solid var(--data);
  outline-offset: -2px;
}

.page-disclaimer .pd-brief__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--data);
}

.page-disclaimer .pd-brief__text {
  font-size: 15px;
  line-height: 1.66;
  color: var(--mist);
  transition: color 160ms var(--ease);
}

.page-disclaimer .pd-brief__link:hover .pd-brief__text,
.page-disclaimer .pd-brief__link:focus-visible .pd-brief__text {
  color: var(--paper);
}

/* ---------- 条款区（浅底） ---------- */

.page-disclaimer .pd-clauses {
  position: relative;
  background: var(--paper);
  color: var(--brown-ink);
  padding: 40px 0 52px;
}

.page-disclaimer .pd-clauses::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(36, 28, 20, 0.055) 1px, transparent 1.2px);
  background-size: 5px 5px;
}

.page-disclaimer .pd-clauses > .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .pd-clauses__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 5.2vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--brown-ink);
}

.page-disclaimer .pd-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 26px 0;
  border-top: 1px solid var(--pd-rule);
  scroll-margin-top: 170px;
}

.page-disclaimer .pd-clauses__title + .pd-clause {
  margin-top: 18px;
}

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

.page-disclaimer .pd-clause__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan-deep);
}

.page-disclaimer .pd-clause__main {
  min-width: 0;
}

.page-disclaimer .pd-clause__title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(19px, 4.6vw, 25px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--brown-ink);
}

.page-disclaimer .pd-clause__body p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .pd-clause__body a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 111, 101, 0.42);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .pd-clause__body a:hover,
.page-disclaimer .pd-clause__body a:focus-visible {
  color: var(--flag);
  border-color: var(--flag);
}

.page-disclaimer .pd-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-list:last-child {
  margin-bottom: 0;
}

.page-disclaimer .pd-list li {
  position: relative;
  padding-left: 22px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 11px;
  height: 1px;
  background: var(--flag);
}

.page-disclaimer .pd-list li strong {
  font-weight: 700;
  color: var(--brown-ink);
}

/* 折叠块 */

.page-disclaimer .pd-details {
  margin-top: 16px;
  max-width: 68ch;
  background: var(--pd-paper-2);
  border: 1px solid var(--pd-rule);
  border-left: 3px solid var(--cyan-deep);
}

.page-disclaimer .pd-details__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  color: var(--brown-ink);
}

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

.page-disclaimer .pd-details__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan-deep);
}

.page-disclaimer .pd-details[open] .pd-details__summary::before {
  content: "–";
}

.page-disclaimer .pd-details__summary:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: -2px;
}

.page-disclaimer .pd-details__body {
  padding: 0 16px 16px;
}

.page-disclaimer .pd-details__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-details__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .pd-details__code {
  padding: 12px 14px;
  background: var(--brown-ink);
  color: var(--data);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}

/* ---------- 反馈区（深底收尾） ---------- */

.page-disclaimer .pd-help {
  position: relative;
  overflow: hidden;
  background: var(--arena-black);
  color: var(--paper);
  padding: 46px 0 56px;
}

.page-disclaimer .pd-help::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: 88px 100%;
  opacity: 0.5;
}

.page-disclaimer .pd-help__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .pd-help__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .pd-help__title {
  margin: 0 0 12px;
  max-width: 20em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(22px, 5.4vw, 34px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-disclaimer .pd-help__intro {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .pd-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-bottom: 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-disclaimer .pd-help__cell {
  padding: 18px 20px;
  background: var(--arena-black);
}

.page-disclaimer .pd-help__cell-label {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--data);
}

.page-disclaimer .pd-help__cell-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .pd-help__stat {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--cyan);
}

.page-disclaimer .pd-help__stat small {
  font-size: 18px;
  margin-left: 2px;
  color: var(--cyan);
}

.page-disclaimer .pd-help__stat-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .pd-help__note {
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-disclaimer .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .pd-hero {
    padding-bottom: 56px;
  }

  .page-disclaimer .pd-brief__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .pd-help__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .pd-help__cell--stat {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .pd-hero {
    padding-bottom: 66px;
  }

  .page-disclaimer .pd-hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .page-disclaimer .pd-brief {
    margin-top: 18px;
  }

  .page-disclaimer .pd-clauses {
    padding: 56px 0 68px;
  }

  .page-disclaimer .pd-clause {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 0 40px;
    padding: 34px 0;
  }

  .page-disclaimer .pd-clause__no {
    padding-top: 6px;
  }

  .page-disclaimer .pd-help {
    padding: 60px 0 72px;
  }

  .page-disclaimer .pd-help__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-disclaimer .pd-help__cell--stat {
    grid-column: auto;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .pd-brief__link {
    padding: 20px 22px;
  }

  .page-disclaimer .pd-hero__grid {
    background-size: 96px 96px;
  }
}