/* ============ 使用指引页 · page-disclaimer ============ */
.page-disclaimer {
  --pg-section-gap: clamp(52px, 7vw, 92px);
  --pg-mono: var(--font-mono);
  background-color: var(--paper-50);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  font-family: var(--pg-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--stone-500);
}
.page-disclaimer .breadcrumb a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}
.page-disclaimer .breadcrumb a:hover {
  border-bottom-color: var(--copper-500);
}

/* ---------- 首屏框景 ---------- */
.page-disclaimer .hero-wrap {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-disclaimer .hero-frame {
  padding: clamp(22px, 3.4vw, 48px);
  background: var(--paper-50);
}
.page-disclaimer .hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}
.page-disclaimer .hero__lead {
  max-width: 46ch;
  min-width: 0;
}
.page-disclaimer .hero__lead .h1 {
  margin: 12px 0 0;
}
.page-disclaimer .hero__lead .lede {
  margin-top: 18px;
}
.page-disclaimer .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-disclaimer .hero__specs {
  min-width: 0;
}
.page-disclaimer .spec-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-disclaimer .spec-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: .86rem;
}
.page-disclaimer .spec-list__k {
  color: var(--stone-500);
}
.page-disclaimer .spec-list__v {
  font-family: var(--pg-mono);
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink-900);
  text-align: right;
}

@media (min-width: 880px) {
  .page-disclaimer .hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
  }
}

/* ---------- 横向操作路径条 ---------- */
.page-disclaimer .steps-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  margin-top: clamp(26px, 4vw, 44px);
  background: rgba(247, 245, 241, .95);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-disclaimer .steps-bar__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-disclaimer .steps-bar__inner::-webkit-scrollbar {
  display: none;
}
.page-disclaimer .steps-bar__label {
  flex: 0 0 auto;
  color: var(--stone-500);
  white-space: nowrap;
}
.page-disclaimer .steps-bar__list {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-disclaimer .steps-bar__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-bottom: 2px solid transparent;
  color: var(--ink-700);
  font-size: .85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-disclaimer .steps-bar__link:hover {
  color: var(--ink-900);
}
.page-disclaimer .steps-bar__link[aria-current="true"] {
  border-bottom-color: var(--copper-500);
  color: var(--ink-900);
}
.page-disclaimer .steps-bar__num {
  font-family: var(--pg-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--copper-500);
}

/* ---------- 区块通用 ---------- */
.page-disclaimer .section {
  padding-block: var(--pg-section-gap);
}
.page-disclaimer .section__num {
  margin: 0 0 10px;
  font-family: var(--pg-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--copper-500);
}
.page-disclaimer .section__lead {
  margin-top: 14px;
  max-width: 66ch;
  color: var(--ink-700);
}
.page-disclaimer .grid-12 > * {
  min-width: 0;
}
.page-disclaimer a {
  color: var(--ink-500);
}

/* ---------- 准备区块 ---------- */
.page-disclaimer .prepare-grid {
  margin-top: 30px;
}
.page-disclaimer .prepare-card {
  padding: clamp(18px, 2.2vw, 24px);
}
.page-disclaimer .prepare-check {
  margin-top: 26px;
}
.page-disclaimer .prepare-check .checklist__row + .checklist__row {
  border-top: 1px solid var(--line);
}
.page-disclaimer button.checklist__row {
  width: 100%;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}
.page-disclaimer button.checklist__row:hover {
  background-color: var(--paper-100);
}

/* ---------- 三步使用 ---------- */
.page-disclaimer .step-figure {
  margin: clamp(28px, 4vw, 40px) 0 0;
}
.page-disclaimer .steplist {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-disclaimer .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--paper-100);
  border-left: 2px solid var(--copper-500);
}
.page-disclaimer .step__index {
  flex: 0 0 auto;
}
.page-disclaimer .step__num {
  display: block;
  font-family: var(--pg-mono);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink-700);
}
.page-disclaimer .step__body {
  min-width: 0;
}
.page-disclaimer .step__body p {
  margin: 10px 0 0;
  color: var(--ink-700);
}
.page-disclaimer .step__notes {
  margin: 14px 0 0;
  padding-left: 1.1em;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--stone-500);
}
.page-disclaimer .step__notes li + li {
  margin-top: 6px;
}
.page-disclaimer .step__check {
  margin-top: 18px;
  border: 1px dashed var(--line-strong);
}

@media (min-width: 960px) {
  .page-disclaimer .steplist {
    max-width: 900px;
  }
}

/* ---------- 离线与同步 ---------- */
.page-disclaimer .offline-grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}
.page-disclaimer .offline-text {
  min-width: 0;
}
.page-disclaimer .offline-text p {
  margin-top: 16px;
  color: var(--ink-700);
}
.page-disclaimer .offline-text .section__num {
  margin-top: 0;
}
.page-disclaimer .offline-note {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--teal-700);
  color: var(--paper-50);
}
.page-disclaimer .offline-note .card__meta {
  color: var(--copper-200);
}
.page-disclaimer .offline-note .card__title {
  color: var(--paper-50);
}
.page-disclaimer .offline-note__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}
.page-disclaimer .offline-note__list li {
  padding: 13px 0;
  border-top: 1px solid var(--line-invert);
  font-size: .88rem;
  line-height: 1.72;
}
.page-disclaimer .offline-note__list li:last-child {
  border-bottom: 1px solid var(--line-invert);
}
.page-disclaimer .offline-note__list strong {
  font-weight: 500;
  color: var(--copper-200);
}

@media (min-width: 900px) {
  .page-disclaimer .offline-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 查询读法 ---------- */
.page-disclaimer .query-table {
  min-width: 560px;
}
.page-disclaimer .query-table th[scope="row"] {
  color: var(--ink-900);
  font-weight: 500;
  white-space: nowrap;
}
.page-disclaimer .query-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--paper-100);
  border: 1px solid var(--line);
}
.page-disclaimer .query-note__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: .55em;
  border-radius: 50%;
  background: var(--cinnabar-600);
}
.page-disclaimer .query-note p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 模板使用范围 ---------- */
.page-disclaimer .template-grid {
  margin-top: 30px;
}
.page-disclaimer .template-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px);
}
.page-disclaimer .template-note {
  margin-top: 24px;
  font-size: .84rem;
  color: var(--stone-500);
}
.page-disclaimer .template-note a {
  color: var(--ink-500);
}

/* ---------- 版本编号 ---------- */
.page-disclaimer .version-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-disclaimer .version-chip {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 148px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--paper-50);
  box-shadow: var(--shadow-1);
}
.page-disclaimer .version-chip__num {
  align-self: flex-start;
  font-family: var(--pg-mono);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--ink-900);
  background: linear-gradient(transparent 62%, var(--copper-200) 62%);
}
.page-disclaimer .version-chip__label {
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--stone-500);
}
.page-disclaimer .version-accordion {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}
.page-disclaimer .version-accordion .accordion__item {
  border-bottom: 1px solid var(--line);
}
.page-disclaimer .version-accordion .accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 17px 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--pg-mono);
  font-size: .88rem;
  letter-spacing: .04em;
  color: var(--ink-900);
}
.page-disclaimer .accordion__mark {
  flex: 0 0 auto;
  font-family: var(--pg-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--copper-500);
  transition: transform .2s var(--ease);
}
.page-disclaimer .version-accordion .accordion__btn[aria-expanded="true"] .accordion__mark {
  transform: rotate(45deg);
}
.page-disclaimer .version-accordion .accordion__panel {
  padding: 0 0 20px;
  max-width: 78ch;
  font-size: .92rem;
  color: var(--ink-700);
}
.page-disclaimer .version-accordion .accordion__panel p {
  margin: 0;
}

/* ---------- 问题反馈入口 ---------- */
.page-disclaimer .help-grid {
  margin-top: 30px;
}
.page-disclaimer .help-card {
  display: block;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  background: var(--paper-50);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: inherit;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-disclaimer .help-card:hover {
  border-color: var(--copper-500);
  transform: translateY(-2px);
}
.page-disclaimer .help-card__kicker {
  margin: 0;
  font-family: var(--pg-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--copper-500);
}
.page-disclaimer .help-card__title {
  margin: 12px 0 0;
  font-size: var(--h3);
  line-height: 1.35;
  color: var(--ink-900);
}
.page-disclaimer .help-card__text {
  margin: 12px 0 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--ink-700);
}
.page-disclaimer .help-card__go {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 2px;
  font-size: .84rem;
  color: var(--ink-500);
  border-bottom: 1px solid var(--copper-500);
}

/* ---------- 响应式收束 ---------- */
@media (max-width: 719px) {
  .page-disclaimer .spec-list__v {
    text-align: right;
  }
  .page-disclaimer .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
  .page-disclaimer .step__num {
    font-size: 1.1rem;
  }
  .page-disclaimer .version-chip {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .help-card,
  .page-disclaimer .accordion__mark,
  .page-disclaimer .steps-bar__link {
    transition: none;
  }
  .page-disclaimer .help-card:hover {
    transform: none;
  }
}