/* ===== 使用说明页 page-disclaimer ===== */

.page-disclaimer .breadcrumbs {
  margin-top: 20px;
  font-size: 13px;
}

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

.page-disclaimer .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-disclaimer .breadcrumbs a:hover {
  color: var(--neon);
}

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

/* --- 首屏 --- */

.page-disclaimer .dc-hero {
  margin-top: 20px;
  padding: 28px 0 30px;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
  background-image:
    linear-gradient(180deg, rgba(15, 59, 49, 0.55), rgba(10, 16, 32, 0) 78%),
    repeating-linear-gradient(90deg, rgba(28, 42, 69, 0.6) 0 1px, transparent 1px 62px);
}

.page-disclaimer .dc-hero__inner {
  display: grid;
  gap: 18px;
}

.page-disclaimer .dc-hero__lead {
  min-width: 0;
}

.page-disclaimer .dc-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--neon);
}

.page-disclaimer .dc-hero__tick {
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--neon);
}

.page-disclaimer .dc-title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(34px, 9.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 18ch;
  overflow-wrap: break-word;
}

.page-disclaimer .dc-hero .lede {
  max-width: 62ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}

.page-disclaimer .dc-hero__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--signal);
}

/* --- 页内跳转 --- */

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

.page-disclaimer .dc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(18, 27, 46, 0.65);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-disclaimer .dc-index__link:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.page-disclaimer .dc-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

/* --- 章节通用 --- */

.page-disclaimer .section {
  padding: 38px 0;
}

.page-disclaimer .section__head {
  margin-bottom: 20px;
}

.page-disclaimer .dc-h2 {
  position: relative;
  margin: 0;
  font-size: clamp(23px, 5.2vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .dc-h2::before {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 12px;
  background: var(--signal);
}

.page-disclaimer .dc-sub {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer section[id] {
  scroll-margin-top: 78px;
}

/* --- 使用范围三卡 --- */

.page-disclaimer .dc-uses {
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-use {
  position: relative;
  overflow: hidden;
  padding: 20px 16px 22px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), rgba(10, 16, 32, 0.72));
}

.page-disclaimer .dc-use::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--neon);
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform 0.42s var(--ease);
}

.page-disclaimer .dc-use:hover::after {
  transform: scaleX(1);
}

.page-disclaimer .dc-use:nth-child(2)::after {
  background: var(--signal);
}

.page-disclaimer .dc-use:nth-child(3)::after {
  background: var(--blaze);
}

.page-disclaimer .dc-use__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-disclaimer .dc-use h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

.page-disclaimer .dc-use p a,
.page-disclaimer .dc-copy a,
.page-disclaimer .accordion__inner a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 255, 143, 0.4);
}

.page-disclaimer .dc-use p a:hover,
.page-disclaimer .dc-copy a:hover,
.page-disclaimer .accordion__inner a:hover {
  border-bottom-color: var(--neon);
}

/* --- 引用建议编号条目 --- */

.page-disclaimer .dc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--steel);
}

.page-disclaimer .dc-item:last-child {
  border-bottom: 1px solid var(--steel);
}

.page-disclaimer .dc-item__no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-disclaimer .dc-item:nth-child(3n + 2) .dc-item__no {
  color: var(--signal);
}

.page-disclaimer .dc-item:nth-child(3n + 3) .dc-item__no {
  color: var(--blaze);
}

.page-disclaimer .dc-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
}

.page-disclaimer .dc-item p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* --- 中部数据流分割与通栏图 --- */

.page-disclaimer .dc-flow {
  margin: 34px 0 26px;
}

.page-disclaimer .dc-flow svg {
  display: block;
  width: 100%;
  height: 72px;
}

.page-disclaimer .dc-banner {
  margin: 0 0 6px;
}

.page-disclaimer .dc-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
}

.page-disclaimer .dc-banner__cap {
  margin: 10px 0 0;
  max-width: 70ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* --- 订阅与提醒 --- */

.page-disclaimer .dc-split {
  display: grid;
  gap: 20px;
}

.page-disclaimer .dc-copy p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-disclaimer .dc-copy p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-card {
  padding: 18px 16px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(15, 59, 49, 0.82), rgba(18, 27, 46, 0.92));
}

.page-disclaimer .dc-facts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--steel);
  font-size: 14px;
  color: var(--mist);
}

.page-disclaimer .dc-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-disclaimer .dc-facts__val {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-align: right;
}

/* --- 访问行为条目 --- */

.page-disclaimer .dc-rules {
  display: grid;
  gap: 10px;
}

.page-disclaimer .dc-rule {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--steel);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--panel);
}

.page-disclaimer .dc-rule--ok {
  border-left-color: var(--neon);
}

.page-disclaimer .dc-rule--no {
  border-left-color: var(--blaze);
}

.page-disclaimer .dc-rule .tag {
  justify-self: start;
}

.page-disclaimer .dc-rule p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

/* --- 更新节奏时间线 --- */

.page-disclaimer .dc-timeline {
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--steel);
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-disclaimer .dc-timeline li {
  position: relative;
}

.page-disclaimer .dc-timeline li::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -23px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--neon);
}

.page-disclaimer .dc-timeline__when {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-disclaimer .dc-timeline h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
}

.page-disclaimer .dc-timeline p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* --- 折叠问答 --- */

.page-disclaimer .dc-notes {
  border-top: 1px solid var(--steel);
}

.page-disclaimer .dc-notes .accordion__item {
  border-bottom: 1px solid var(--steel);
}

.page-disclaimer .dc-notes .accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 2px;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
  color: var(--paper);
  cursor: pointer;
  transition: color 0.28s var(--ease);
}

.page-disclaimer .dc-notes .accordion__trigger:hover,
.page-disclaimer .dc-notes .accordion__trigger[aria-expanded="true"] {
  color: var(--neon);
}

.page-disclaimer .dc-notes .accordion__panel {
  padding-bottom: 16px;
}

.page-disclaimer .dc-notes .accordion__inner p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* --- 底部指路 --- */

.page-disclaimer .dc-outro {
  border-top: 1px solid var(--steel);
}

.page-disclaimer .dc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* --- 响应式 --- */

@media (min-width: 720px) {
  .page-disclaimer .dc-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .dc-rule {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    padding: 16px 18px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-hero {
    padding: 40px 0 38px;
  }

  .page-disclaimer .dc-hero__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 34px;
  }

  .page-disclaimer .dc-hero__note {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
    padding-bottom: 6px;
  }

  .page-disclaimer .dc-flow {
    margin: 46px 0 30px;
  }

  .page-disclaimer .dc-flow svg {
    height: 92px;
  }

  .page-disclaimer .dc-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    gap: 30px;
    align-items: start;
  }

  .page-disclaimer .dc-timeline {
    padding-left: 26px;
    gap: 26px;
  }

  .page-disclaimer .dc-timeline li::before {
    left: -31px;
  }
}

@media (min-width: 1060px) {
  .page-disclaimer .dc-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dc-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 6px 20px;
  }

  .page-disclaimer .dc-item__no {
    font-size: 22px;
  }

  .page-disclaimer .dc-card {
    padding: 22px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-use::after,
  .page-disclaimer .dc-index__link,
  .page-disclaimer .dc-notes .accordion__trigger {
    transition: none;
  }

  .page-disclaimer .dc-use:hover::after {
    transform: scaleX(1);
  }
}