.page-disclaimer {
  --disc-line: var(--ink-700);
  --disc-panel: var(--ink-800);
  background: var(--ink-900);
  color: var(--text-hi);
  font-family: var(--font-body);
  padding: 0 0 clamp(56px, 8vw, 96px);
  overflow-x: clip;
}

.page-disclaimer .breadcrumb {
  padding-top: 20px;
}

.page-disclaimer .disc-section,
.page-disclaimer .disc-hero {
  scroll-margin-top: 76px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  display: grid;
  gap: 26px;
  padding: 24px 0 42px;
}

.page-disclaimer .disc-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.2rem, 5.6vw, 3.3rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-hero__text {
  margin: 16px 0 0;
  max-width: 34em;
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.75;
}

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

.page-disclaimer .disc-jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--disc-line);
  border-radius: var(--pill);
  color: var(--text-mid);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-jump a:hover,
.page-disclaimer .disc-jump a:focus-visible {
  color: var(--ink-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  outline: none;
}

.page-disclaimer .disc-jump a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-disclaimer .disc-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-950);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.page-disclaimer .disc-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(63, 227, 210, 0.12), transparent 55%);
  pointer-events: none;
}

.page-disclaimer .disc-hero__figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--mist-300);
  background: rgba(6, 19, 32, 0.76);
  border-top-right-radius: var(--radius-sm);
}

/* ---------- 章节通用 ---------- */
.page-disclaimer .disc-section {
  padding: 38px 0 0;
}

.page-disclaimer .disc-section__head {
  margin-bottom: 22px;
}

.page-disclaimer .disc-section h2 {
  margin: 8px 0 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--teal-600);
  color: var(--mist-300);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ---------- 内容范围 ---------- */
.page-disclaimer .disc-scope {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--disc-line);
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-disclaimer .disc-scope__item {
  display: grid;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--ink-900);
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-scope__item:hover {
  background: var(--disc-panel);
}

.page-disclaimer .disc-scope__no {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-scope__item h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-hi);
}

.page-disclaimer .disc-scope__item p {
  margin: 0;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 左说明 / 右做法 ---------- */
.page-disclaimer .disc-rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px 14px;
  padding: 20px 0;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-row:last-child {
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-row__no {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--amber-400);
  padding-top: 3px;
}

.page-disclaimer .disc-row__say {
  margin: 0;
  color: var(--text-hi);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-disclaimer .disc-row__do {
  grid-column: 2;
  margin: 0;
  padding: 12px 15px;
  background: var(--disc-panel);
  border-left: 2px solid var(--teal-600);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-mid);
  font-size: 0.9375rem;
  line-height: 1.7;
  transition: border-left-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-row:hover .disc-row__do {
  background: var(--ink-700);
  border-left-color: var(--cyan-400);
}

/* ---------- 版本号 ---------- */
.page-disclaimer .disc-version {
  display: grid;
  gap: 24px;
}

.page-disclaimer .disc-version__plate {
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: 20px 24px;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-950));
  color: var(--cyan-400);
  font-family: var(--font-mono);
  line-height: 1;
  box-shadow: var(--shadow-panel);
}

.page-disclaimer .disc-version__v {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--mist-300);
}

.page-disclaimer .disc-version__major,
.page-disclaimer .disc-version__minor {
  font-size: clamp(2.6rem, 8vw, 3.8rem);
}

.page-disclaimer .disc-version__dot {
  font-size: clamp(2.2rem, 7vw, 3.2rem);
  color: var(--teal-600);
}

.page-disclaimer .disc-version__defs {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-disclaimer .disc-version__def {
  padding-left: 16px;
  border-left: 1px solid var(--disc-line);
}

.page-disclaimer .disc-version__def dt {
  margin-bottom: 5px;
  color: var(--text-hi);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-disclaimer .disc-version__def dd {
  margin: 0;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-disclaimer .disc-meter {
  height: 44px;
  margin: 26px 0 10px;
  border-bottom: 1px solid var(--disc-line);
  background-image:
    repeating-linear-gradient(90deg, var(--teal-600) 0 1px, transparent 1px 25%),
    repeating-linear-gradient(90deg, var(--ink-700) 0 1px, transparent 1px 6.25%);
  background-repeat: no-repeat;
  background-size: 100% 30px, 100% 12px;
  background-position: left bottom, left bottom;
}

/* ---------- 外部链接 ---------- */
.page-disclaimer .disc-outbound {
  display: grid;
  gap: 12px;
  padding: 24px 22px 26px;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
}

.page-disclaimer .disc-outbound p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-disclaimer .disc-outbound p:first-child {
  color: var(--text-hi);
  font-size: 1rem;
}

/* ---------- 错误反馈 ---------- */
.page-disclaimer .disc-report {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--disc-line);
  border: 1px solid var(--disc-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-disclaimer .disc-report__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 20px;
  background: var(--ink-900);
}

.page-disclaimer .disc-report__no {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--amber-400);
  padding-top: 3px;
}

.page-disclaimer .disc-report__item h3 {
  margin: 0 0 6px;
  color: var(--text-hi);
  font-size: 1rem;
  font-weight: 700;
}

.page-disclaimer .disc-report__item p {
  margin: 0;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-disclaimer .disc-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .disc-cta__hint {
  flex-basis: 100%;
  margin: 0;
  color: var(--mist-300);
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* ---------- 版本时间轴 ---------- */
.page-disclaimer .disc-timeline {
  margin-top: 4px;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-log {
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .disc-log__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 6px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-log__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-log__sum:hover {
  background: var(--disc-panel);
}

.page-disclaimer .disc-log__sum:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-disclaimer .disc-log__ver {
  min-width: 54px;
  color: var(--cyan-400);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

.page-disclaimer .disc-log__name {
  flex: 1;
  color: var(--text-hi);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-disclaimer .disc-log__chev {
  flex: none;
  width: 11px;
  height: 11px;
  margin-right: 4px;
  border-right: 1.5px solid var(--mist-300);
  border-bottom: 1.5px solid var(--mist-300);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .disc-log[open] .disc-log__chev {
  transform: rotate(-135deg);
}

.page-disclaimer .disc-log__body {
  padding-bottom: 20px;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-disclaimer .disc-log__body p {
  margin: 0;
  padding: 0 6px;
}

.page-disclaimer .disc-closing {
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--disc-line);
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-disclaimer .disc-closing a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-closing a:hover,
.page-disclaimer .disc-closing a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-disclaimer .disc-closing a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .disc-log__body p {
    padding-left: 68px;
  }

  .page-disclaimer .disc-row__no {
    font-size: 0.8125rem;
  }
}

@media (min-width: 780px) {
  .page-disclaimer .disc-scope {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (min-width: 880px) {
  .page-disclaimer .disc-row {
    grid-template-columns: 52px minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 32px;
    padding: 24px 0;
  }

  .page-disclaimer .disc-row__do {
    grid-column: 3;
    grid-row: 1;
    padding: 14px 18px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 52px;
    padding: 36px 0 56px;
  }

  .page-disclaimer .disc-version {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.35fr);
    align-items: start;
    gap: 44px;
  }

  .page-disclaimer .disc-version__plate {
    justify-content: center;
  }

  .page-disclaimer .disc-outbound {
    padding: 30px 32px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-log__chev,
  .page-disclaimer .disc-jump a,
  .page-disclaimer .disc-row__do,
  .page-disclaimer .disc-scope__item,
  .page-disclaimer .disc-log__sum {
    transition-duration: 1ms;
  }
}