.page-disclaimer {
  --pd-hair: rgba(143, 163, 154, .18);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 88px);
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--text);
  font-family: var(--font-sans);
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible,
.page-disclaimer .term:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-disclaimer .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .breadcrumb__list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumb__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--grid);
}

/* 首屏 */
.page-disclaimer .rules-hero {
  position: relative;
  isolation: isolate;
  margin-top: clamp(14px, 2vw, 20px);
  overflow: hidden;
  border-top: 1px solid var(--grid-line-strong);
  border-bottom: 1px solid var(--grid-line-strong);
}

.page-disclaimer .rules-hero__figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -2;
}

.page-disclaimer .rules-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-disclaimer .rules-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(104deg, var(--ink) 18%, rgba(14, 26, 22, .88) 52%, rgba(14, 26, 22, .42) 100%);
}

.page-disclaimer .rules-hero__inner {
  padding: clamp(34px, 6vw, 78px) 0 clamp(28px, 5vw, 58px);
}

.page-disclaimer .rules-hero h1 {
  margin: 12px 0 0;
  max-width: 16em;
  font-size: clamp(30px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .rules-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .rules-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-disclaimer .rules-hero__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .rules-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: skewX(var(--slant));
}

/* 页内小节导航 */
.page-disclaimer .rules-toc {
  border-bottom: 1px solid var(--grid-line-strong);
  background: rgba(22, 36, 31, .55);
}

.page-disclaimer .rules-toc__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-disclaimer .rules-toc__list a {
  display: block;
  padding: 14px 18px;
  border-right: 1px solid var(--grid-line);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .rules-toc__list a:hover {
  color: var(--cyan);
  background: var(--panel-2);
}

/* 章节通用 */
.page-disclaimer .rules-section {
  padding-top: clamp(38px, 6vw, 76px);
  scroll-margin-top: 96px;
}

.page-disclaimer .rules-section__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
  padding-bottom: clamp(14px, 2vw, 22px);
  border-bottom: 1px solid var(--grid-line-strong);
}

.page-disclaimer .rules-section__no {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--brick);
}

.page-disclaimer .rules-section h2 {
  margin: 0;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .rules-section__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .rules-section__foot {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .rules-section__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
}

.page-disclaimer .rules-section__foot a:hover {
  border-bottom-color: var(--cyan);
}

/* 四张步骤卡 */
.page-disclaimer .rule-grid {
  display: grid;
  gap: 1px;
  background: var(--grid-line-strong);
  border: 1px solid var(--grid-line-strong);
}

.page-disclaimer .rule-card {
  background: var(--panel);
  transition: background var(--dur-lg) var(--ease);
}

.page-disclaimer .rule-card[open] {
  background: var(--panel-2);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-disclaimer .rule-card__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-disclaimer .rule-card__head:hover {
  background: var(--panel-2);
}

.page-disclaimer .rule-card__no {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  line-height: 1;
  color: var(--brick);
}

.page-disclaimer .rule-card__title {
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-disclaimer .rule-card__chev {
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur-lg) var(--ease);
}

.page-disclaimer .rule-card[open] .rule-card__chev {
  transform: rotate(-135deg);
}

.page-disclaimer .rule-card__body {
  padding: 0 clamp(16px, 2.2vw, 24px) clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--grid-line);
}

.page-disclaimer .rule-card__body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .rule-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
}

.page-disclaimer .rule-card__body a:hover {
  border-bottom-color: var(--cyan);
}

/* 术语定义表 */
.page-disclaimer .term-list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--grid-line-strong);
  border: 1px solid var(--grid-line-strong);
}

.page-disclaimer .term-list__row {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px);
  background: var(--panel);
}

.page-disclaimer .term-list dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-disclaimer .term-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .term {
  position: relative;
  display: inline-block;
  cursor: help;
  border-bottom: 1px dashed var(--cyan-soft);
}

.page-disclaimer .term::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 6;
  width: max-content;
  max-width: 260px;
  padding: 9px 12px;
  background: var(--panel-2);
  border: 1px solid var(--cyan-soft);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.page-disclaimer .term:hover::after,
.page-disclaimer .term:focus-visible::after {
  opacity: 1;
  visibility: visible;
}

/* 刷新节奏 */
.page-disclaimer .cadence {
  padding: clamp(18px, 3vw, 32px);
  background: var(--panel);
  border: 1px solid var(--grid-line-strong);
}

.page-disclaimer .cadence__ticks {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 44px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-disclaimer .cadence__ticks span {
  flex: 1 1 0;
  height: 20px;
  background: var(--panel-2);
  border-top: 2px solid var(--grid);
}

.page-disclaimer .cadence__ticks span.is-now {
  height: 38px;
  background: var(--amber-soft);
  border-top-color: var(--amber);
}

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

.page-disclaimer .cadence__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--amber);
}

.page-disclaimer .cadence__notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* 引用卡片 */
.page-disclaimer .paper-card {
  padding: clamp(20px, 3.2vw, 38px);
  background: var(--paper);
  color: var(--panel);
}

.page-disclaimer .paper-card__label {
  display: inline-block;
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--paper);
  background: var(--brick);
}

.page-disclaimer .cite-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cite;
  display: grid;
  gap: 14px;
}

.page-disclaimer .cite-list li {
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--panel);
}

.page-disclaimer .cite-list li::before {
  counter-increment: cite;
  content: counter(cite, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--brick-deep);
}

.page-disclaimer .paper-card__foot {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 1px solid rgba(22, 36, 31, .18);
  font-size: 13px;
  line-height: 1.8;
  color: var(--brick-deep);
}

/* 换设备步骤 */
.page-disclaimer .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1px;
  background: var(--grid-line-strong);
  border: 1px solid var(--grid-line-strong);
}

.page-disclaimer .steps li {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px) clamp(16px, 2.2vw, 24px) clamp(16px, 2.2vw, 24px) clamp(58px, 8vw, 82px);
  background: var(--panel);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-disclaimer .steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: clamp(14px, 2vw, 20px);
  top: clamp(16px, 2.2vw, 24px);
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

/* 结尾斜切窄带 */
.page-disclaimer .next-band {
  margin-top: clamp(42px, 6vw, 80px);
  background: var(--panel-2);
  border-top: 1px solid var(--cyan-soft);
  transform: skewY(-3deg);
}

.page-disclaimer .next-band__inner {
  display: grid;
  gap: 20px;
  padding: clamp(26px, 4vw, 46px) 0;
  transform: skewY(3deg);
}

.page-disclaimer .next-band__kicker {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--brick);
}

.page-disclaimer .next-band__text {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-disclaimer .next-band .btn {
  justify-self: start;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-disclaimer .rule-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .term-list__row {
    grid-template-columns: minmax(130px, 180px) minmax(0, 1fr);
    align-items: baseline;
    gap: clamp(16px, 3vw, 36px);
  }

  .page-disclaimer .cadence__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 32px);
  }

  .page-disclaimer .next-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-disclaimer .next-band .btn {
    justify-self: end;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .rules-toc__list a {
    padding: 15px 24px;
  }

  .page-disclaimer .rule-card__head {
    padding: 26px 28px;
  }

  .page-disclaimer .rule-card__body {
    padding: 0 28px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-card__chev,
  .page-disclaimer .rule-card,
  .page-disclaimer .term::after,
  .page-disclaimer .rules-toc__list a {
    transition: none;
  }
}
<<<END>>>