.page-disclaimer {
  --man-rule: var(--sand);
  --man-panel: var(--mist);
  padding-bottom: 64px;
}

.page-disclaimer .manual-hero {
  padding: 4px 0 26px;
  max-width: 900px;
}

.page-disclaimer .manual-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--ink);
}

.page-disclaimer .manual-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-80);
}

.page-disclaimer .manual-figure {
  margin: 0 0 6px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--mist);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .manual-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-disclaimer .manual-figure__caption {
  padding: 10px 16px 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-60);
  background: var(--cream);
  border-top: 1px solid var(--man-rule);
}

/* 横向步骤条 */
.page-disclaimer .step-strip {
  margin: 28px 0 6px;
}

.page-disclaimer .step-strip__list {
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .step-strip__item {
  flex: 0 0 82%;
  min-width: 208px;
  scroll-snap-align: start;
  display: flex;
}

.page-disclaimer .step-strip__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 16px 18px 15px;
  border: 1px solid var(--man-rule);
  border-radius: var(--radius-sm);
  background: var(--cream);
  color: var(--ink);
  text-decoration: none;
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}

.page-disclaimer .step-strip__link:hover,
.page-disclaimer .step-strip__link:focus-visible {
  border-color: var(--celadon);
  background: #fff;
  transform: translateY(-2px);
}

.page-disclaimer .step-strip__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-disclaimer .step-strip__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-disclaimer .step-strip__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-60);
}

/* 主体两栏 */
.page-disclaimer .manual-body {
  margin-top: 30px;
  display: grid;
  gap: 24px;
}

.page-disclaimer .manual-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--celadon);
}

.page-disclaimer .manual-index__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .manual-index__link {
  display: block;
  padding: 8px 13px;
  font-size: 13px;
  white-space: nowrap;
  border: 1px solid var(--man-rule);
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink-80);
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .manual-index__link:hover,
.page-disclaimer .manual-index__link:focus-visible {
  border-color: var(--lake);
  color: var(--lake);
}

.page-disclaimer .manual-index__link.is-active {
  background: var(--celadon);
  border-color: var(--celadon);
  color: #fff;
}

/* 章节 */
.page-disclaimer .manual-section {
  padding: 26px 0 30px;
  border-top: 1px solid var(--man-rule);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-disclaimer .manual-content > .manual-section:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-disclaimer .manual-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .manual-section__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--celadon);
}

.page-disclaimer .manual-section h2 {
  margin: 0;
  font-size: clamp(20px, 4.4vw, 29px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .manual-section p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-80);
}

.page-disclaimer .manual-section p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .manual-section a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .manual-section--panel {
  margin: 24px 0;
  padding: 24px 18px 26px;
  background: var(--man-panel);
  border: 1px solid var(--man-rule);
  border-radius: var(--radius);
}

/* 设备提示列表 */
.page-disclaimer .manual-list {
  list-style: none;
  margin: 18px 0 4px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--man-rule);
  border: 1px solid var(--man-rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-disclaimer .manual-list li {
  display: flex;
  gap: 12px;
  padding: 12px 15px;
  background: var(--cream);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-80);
}

.page-disclaimer .manual-list__key {
  flex: 0 0 auto;
  font-weight: 700;
  color: var(--celadon);
  letter-spacing: .06em;
}

/* 许可卡片 */
.page-disclaimer .perm-grid {
  display: grid;
  gap: 12px;
  margin: 18px 0 18px;
}

.page-disclaimer .perm-card {
  padding: 17px 17px 15px;
  border-radius: var(--radius-sm);
  background: var(--sand);
  border-left: 4px solid var(--celadon);
}

.page-disclaimer .perm-card--ask {
  border-left-color: var(--wine);
}

.page-disclaimer .perm-card__title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-disclaimer .perm-card ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-80);
}

.page-disclaimer .perm-card li {
  margin-bottom: 6px;
}

.page-disclaimer .perm-card li:last-child {
  margin-bottom: 0;
}

/* 版本定义行 */
.page-disclaimer .manual-defs {
  margin: 18px 0 16px;
  border-top: 1px solid var(--man-rule);
}

.page-disclaimer .manual-defs > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--man-rule);
}

.page-disclaimer .manual-defs dt {
  font-size: 14px;
  color: var(--ink-60);
}

.page-disclaimer .manual-defs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}

/* 折叠条款 */
.page-disclaimer .manual-details {
  margin: 14px 0;
  border: 1px solid var(--man-rule);
  border-radius: var(--radius-sm);
  background: var(--cream);
}

.page-disclaimer .manual-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .manual-details summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--coral);
}

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

.page-disclaimer .manual-details[open] summary {
  border-bottom: 1px solid var(--man-rule);
}

.page-disclaimer .manual-details p {
  margin: 0;
  padding: 14px 16px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-80);
}

/* 联系信息 */
.page-disclaimer .manual-contact {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-sm);
  background: var(--mist);
  display: grid;
  gap: 9px;
}

.page-disclaimer .manual-contact__row {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .manual-contact__key {
  color: var(--ink-60);
  min-width: 4.5em;
}

.page-disclaimer .manual-contact__val {
  color: var(--ink);
  font-weight: 600;
}

.page-disclaimer .manual-contact__note {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--sand);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-60);
}

/* 收尾 */
.page-disclaimer .manual-next {
  margin-top: 34px;
  padding: 24px 20px;
  border: 1px solid var(--man-rule);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--mist) 0%, var(--cream) 78%);
  display: grid;
  gap: 12px;
}

.page-disclaimer .manual-next h2 {
  margin: 0;
  font-size: clamp(19px, 3.6vw, 24px);
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .manual-next p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-80);
}

.page-disclaimer .manual-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

@media (min-width: 720px) {
  .page-disclaimer .manual-hero__lead {
    font-size: 17px;
  }

  .page-disclaimer .step-strip__list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .step-strip__item {
    flex: none;
    min-width: 0;
  }

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

  .page-disclaimer .manual-section--panel {
    padding: 28px 26px 30px;
  }

  .page-disclaimer .manual-next {
    padding: 28px 28px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .manual-body {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: 52px;
    align-items: start;
  }

  .page-disclaimer .manual-content {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .page-disclaimer .manual-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--bar-h) + 22px);
  }

  .page-disclaimer .manual-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--man-rule);
  }

  .page-disclaimer .manual-index__link {
    padding: 8px 0 8px 14px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-disclaimer .manual-index__link.is-active {
    background: transparent;
    border-left-color: var(--celadon);
    color: var(--ink);
    font-weight: 700;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .step-strip__link,
  .page-disclaimer .manual-index__link {
    transition: none;
  }

  .page-disclaimer .step-strip__link:hover,
  .page-disclaimer .step-strip__link:focus-visible {
    transform: none;
  }
}