.page-disclaimer {
  --pd-ink-soft: #43476b;
  --pd-grid: 48px;
  display: block;
  background: var(--arena);
  color: var(--cream);
  overflow-x: clip;
}

/* ---------- 页头 ---------- */
.page-disclaimer .pd-head {
  position: relative;
  overflow: hidden;
  padding: 26px 0 44px;
  background: var(--arena);
  border-bottom: var(--bw) solid var(--line);
}

.page-disclaimer .pd-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(44, 63, 134, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 63, 134, 0.55) 1px, transparent 1px);
  background-size: var(--pd-grid) var(--pd-grid);
  pointer-events: none;
}

.page-disclaimer .pd-head::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -140px;
  width: 340px;
  height: 340px;
  border: var(--bw) solid var(--line);
  border-radius: 50%;
  opacity: 0.45;
  pointer-events: none;
}

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

.page-disclaimer .pd-head__crumbs {
  margin-bottom: 22px;
}

.page-disclaimer .pd-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-disclaimer .pd-head__title {
  margin: 10px 0 0;
  font-size: clamp(34px, 8.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-disclaimer .pd-head__lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .pd-head__chips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .pd-head__media {
  margin: 0;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-disclaimer .pd-head__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 380;
  object-fit: cover;
}

/* ---------- 通用小节头 ---------- */
.page-disclaimer .pd-sechead {
  margin-bottom: 26px;
  max-width: 64ch;
}

.page-disclaimer .pd-sechead--tight {
  margin-bottom: 0;
}

.page-disclaimer .pd-sechead h2 {
  margin: 8px 0 0;
  font-size: clamp(26px, 5.2vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-disclaimer .pd-sechead p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 48ch;
}

/* ---------- 第一节：步骤条 ---------- */
.page-disclaimer .pd-steps {
  padding: 52px 0 56px;
  background: var(--arena);
}

.page-disclaimer .stepdeck {
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-disclaimer .stepdeck__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-disclaimer .steprail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: var(--bw) solid var(--line);
}

.page-disclaimer .steprail__item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 800;
  font-size: 15px;
  color: var(--mist);
  border-bottom: var(--bw) solid var(--line);
  transition: background var(--t), color var(--t);
}

.page-disclaimer .steprail__item:nth-child(odd) {
  border-right: var(--bw) solid var(--line);
}

.page-disclaimer .steprail__item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-disclaimer .steprail__item::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mist);
  transition: background var(--t);
}

.page-disclaimer .steprail__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-disclaimer #pd-step-1:checked ~ .stepdeck__body .steprail__item[data-step="1"],
.page-disclaimer #pd-step-2:checked ~ .stepdeck__body .steprail__item[data-step="2"],
.page-disclaimer #pd-step-3:checked ~ .stepdeck__body .steprail__item[data-step="3"],
.page-disclaimer #pd-step-4:checked ~ .stepdeck__body .steprail__item[data-step="4"] {
  background: var(--orange);
  color: var(--char);
}

.page-disclaimer #pd-step-1:checked ~ .stepdeck__body .steprail__item[data-step="1"] .steprail__num,
.page-disclaimer #pd-step-2:checked ~ .stepdeck__body .steprail__item[data-step="2"] .steprail__num,
.page-disclaimer #pd-step-3:checked ~ .stepdeck__body .steprail__item[data-step="3"] .steprail__num,
.page-disclaimer #pd-step-4:checked ~ .stepdeck__body .steprail__item[data-step="4"] .steprail__num {
  color: var(--char);
}

.page-disclaimer #pd-step-1:checked ~ .stepdeck__body .steprail__item[data-step="1"]::after,
.page-disclaimer #pd-step-2:checked ~ .stepdeck__body .steprail__item[data-step="2"]::after,
.page-disclaimer #pd-step-3:checked ~ .stepdeck__body .steprail__item[data-step="3"]::after,
.page-disclaimer #pd-step-4:checked ~ .stepdeck__body .steprail__item[data-step="4"]::after {
  background: var(--mint);
}

.page-disclaimer .stepview {
  display: none;
  padding: 24px 18px 28px;
}

.page-disclaimer #pd-step-1:checked ~ .stepdeck__body .stepview[data-step="1"],
.page-disclaimer #pd-step-2:checked ~ .stepdeck__body .stepview[data-step="2"],
.page-disclaimer #pd-step-3:checked ~ .stepdeck__body .stepview[data-step="3"],
.page-disclaimer #pd-step-4:checked ~ .stepdeck__body .stepview[data-step="4"] {
  display: block;
}

.page-disclaimer .stepview__title {
  margin: 0 0 16px;
  font-size: clamp(20px, 4vw, 26px);
  line-height: 1.2;
  color: var(--cream);
}

.page-disclaimer .steplist {
  counter-reset: s;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .steplist li {
  counter-increment: s;
  position: relative;
  padding: 14px 16px 14px 52px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--arena);
  color: var(--cream);
  font-size: 15px;
  line-height: 1.68;
  transition: border-color var(--t), box-shadow var(--t);
}

.page-disclaimer .steplist li:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-sm);
}

.page-disclaimer .steplist li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--orange);
}

/* ---------- 第二节：设备与网络 ---------- */
.page-disclaimer .pd-device {
  padding: 52px 0 56px;
  background: var(--panel);
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
}

.page-disclaimer .pd-device__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-disclaimer .pd-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-disclaimer .pd-spec {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 14px 14px 16px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--arena);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}

.page-disclaimer .pd-spec:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-sm);
  transform: translate(-2px, -2px);
}

.page-disclaimer .pd-spec__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .pd-spec__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-disclaimer .pd-spec__note {
  font-size: 13px;
  color: var(--mist);
}

.page-disclaimer .pd-details {
  margin-top: 26px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--arena);
  box-shadow: var(--shadow);
}

.page-disclaimer .pd-details > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
  color: var(--cream);
  list-style: none;
}

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

.page-disclaimer .pd-details > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .pd-details[open] > summary::after {
  content: "–";
}

.page-disclaimer .pd-details[open] > summary {
  border-bottom: var(--bw) solid var(--line);
}

.page-disclaimer .pd-details__body {
  padding: 18px 18px 22px;
  display: grid;
  gap: 12px;
}

.page-disclaimer .pd-details__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 第三节：数据更新 ---------- */
.page-disclaimer .pd-update {
  padding: 52px 0 56px;
  background: var(--arena);
}

.page-disclaimer .pd-rules {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-disclaimer .pd-rule {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 16px 20px;
  border: var(--bw) solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}

.page-disclaimer .pd-rule:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-sm);
  transform: translate(-2px, -2px);
}

.page-disclaimer .pd-rule__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-disclaimer .pd-rule__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  color: var(--cream);
}

.page-disclaimer .pd-rule__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--mist);
}

/* ---------- 浅色分区 ---------- */
.page-disclaimer .pd-paper {
  background: var(--paper);
  color: var(--char);
  border-top: var(--bw) solid var(--char);
  padding: 52px 0 56px;
}

.page-disclaimer .pd-paper--tight {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .pd-paper .eyebrow {
  color: var(--orange-deep);
}

.page-disclaimer .pd-paper .pd-sechead h2 {
  color: var(--char);
}

.page-disclaimer .pd-paper .pd-sechead p {
  color: var(--pd-ink-soft);
}

/* 引用规则 */
.page-disclaimer .pd-cite__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--char);
}

.page-disclaimer .pd-cite__list > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 2px solid var(--char);
  transition: background var(--t);
}

.page-disclaimer .pd-cite__list > li:hover {
  background: rgba(255, 122, 26, 0.1);
}

.page-disclaimer .pd-cite__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--orange-deep);
}

.page-disclaimer .pd-cite__body h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.3;
  color: var(--char);
}

.page-disclaimer .pd-cite__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
  max-width: 62ch;
}

/* 账号安全 */
.page-disclaimer .pd-safety {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 46px;
  border-top: 2px dashed var(--char);
}

.page-disclaimer .pd-safety__copy h2 {
  margin: 8px 0 0;
  font-size: clamp(25px, 5vw, 34px);
  line-height: 1.16;
  color: var(--char);
}

.page-disclaimer .pd-safety__copy p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
  max-width: 44ch;
}

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

.page-disclaimer .pd-safety__list li {
  position: relative;
  padding: 14px 16px 14px 40px;
  border: 2px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  font-size: 15px;
  line-height: 1.72;
  color: var(--char);
}

.page-disclaimer .pd-safety__list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 2px var(--char);
}

/* ---------- 违规与变更 ---------- */
.page-disclaimer .pd-notice {
  padding: 52px 0 56px;
  background: var(--arena);
  border-top: var(--bw) solid var(--line);
}

.page-disclaimer .pd-notice__panel {
  padding: 22px 18px 24px;
  border: var(--bw) solid var(--char);
  border-radius: var(--r);
  background: var(--paper);
  color: var(--char);
  box-shadow: var(--shadow);
}

.page-disclaimer .pd-levels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-disclaimer .pd-level {
  padding: 16px 14px 18px;
  border: 2px solid var(--char);
  border-radius: var(--r);
  background: #fff;
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-disclaimer .pd-level__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--orange-deep);
}

.page-disclaimer .pd-level__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.28;
  color: var(--char);
}

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

.page-disclaimer .pd-notice__changes {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px dashed var(--char);
}

.page-disclaimer .pd-notice__changes h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.3;
  color: var(--char);
}

.page-disclaimer .pd-notice__changes ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-disclaimer .pd-notice__changes li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-notice__changes li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* ---------- 末尾索引 ---------- */
.page-disclaimer .pd-more {
  padding: 48px 0 60px;
  background: var(--arena);
  border-top: var(--bw) solid var(--line);
}

.page-disclaimer .pd-more__title {
  margin: 0 0 20px;
  font-size: clamp(24px, 4.6vw, 32px);
  line-height: 1.16;
  color: var(--cream);
}

.page-disclaimer .pd-more__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-more__list > li {
  min-width: 0;
}

.page-disclaimer .pd-more__list .index-link {
  min-height: 56px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .pd-head {
    padding: 30px 0 52px;
  }

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

  .page-disclaimer .pd-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-disclaimer .pd-safety {
    grid-template-columns: 5fr 7fr;
    align-items: start;
    gap: 32px;
  }

  .page-disclaimer .pd-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .pd-steps,
  .page-disclaimer .pd-device,
  .page-disclaimer .pd-update,
  .page-disclaimer .pd-paper,
  .page-disclaimer .pd-notice {
    padding-top: 68px;
    padding-bottom: 72px;
  }

  .page-disclaimer .pd-paper--tight {
    padding-top: 0;
  }

  .page-disclaimer .pd-head__grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: end;
  }

  .page-disclaimer .pd-device__grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
  }

  .page-disclaimer .stepdeck__body {
    grid-template-columns: 264px minmax(0, 1fr);
  }

  .page-disclaimer .steprail {
    grid-template-columns: minmax(0, 1fr);
    border-bottom: 0;
    border-right: var(--bw) solid var(--line);
  }

  .page-disclaimer .steprail__item:nth-child(odd) {
    border-right: 0;
  }

  .page-disclaimer .steprail__item:nth-last-child(-n + 2) {
    border-bottom: var(--bw) solid var(--line);
  }

  .page-disclaimer .steprail__item:last-child {
    border-bottom: 0;
  }

  .page-disclaimer .stepview {
    padding: 32px 34px 34px;
  }

  .page-disclaimer .pd-cite__list > li {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 22px 8px 22px 0;
  }

  .page-disclaimer .pd-notice__panel {
    padding: 30px 28px 32px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .pd-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-spec:hover,
  .page-disclaimer .pd-rule:hover,
  .page-disclaimer .steplist li:hover {
    transform: none;
  }
}