/* ===== 访问说明 /instructions/ 页面专属样式 ===== */

.page-disclaimer {
  --disc-max: 780px;
  --disc-num-w: 56px;
}

.page-disclaimer .disc-layout {
  max-width: var(--disc-max);
  margin-inline: auto;
  padding: clamp(18px, 3.6vw, 40px) clamp(18px, 4vw, 36px) clamp(56px, 9vw, 104px);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(20px, 3.4vw, 32px);
  border-bottom: var(--frame) solid var(--line-700);
}

.page-disclaimer .disc-hero .display {
  margin: 10px 0 18px;
  font-size: clamp(40px, 9vw, 78px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--paper-100);
}

.page-disclaimer .disc-hero .lede {
  max-width: 36em;
  margin: 0;
  color: var(--mist-300);
}

.page-disclaimer .disc-hero__meta {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-700);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-300);
}

/* ---------- 章节索引 ---------- */

.page-disclaimer .disc-toc {
  margin-top: clamp(24px, 4vw, 40px);
  padding: 18px 20px 20px;
  border: var(--frame) solid var(--line-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .disc-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-disclaimer .disc-toc__list li {
  list-style: none;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 10px;
  border-left: 2px solid transparent;
  color: var(--paper-100);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-disclaimer .disc-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
  flex: none;
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  border-left-color: var(--cyan-500);
  background: var(--ink-900);
  color: var(--paper-100);
}

/* ---------- 条文区块 ---------- */

.page-disclaimer .disc-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-block: clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--line-700);
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-disclaimer .disc-sec__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  width: 46px;
  height: 30px;
  border: var(--frame) solid var(--line-700);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
}

.page-disclaimer .disc-sec__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--paper-100);
}

.page-disclaimer .disc-sec__body p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-300);
}

.page-disclaimer .disc-sec__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-sec__body a:not(.btn) {
  color: var(--cyan-500);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms var(--ease);
}

.page-disclaimer .disc-sec__body a:not(.btn):hover,
.page-disclaimer .disc-sec__body a:not(.btn):focus-visible {
  color: var(--ember-300);
}

/* ---------- 条目清单 ---------- */

.page-disclaimer .disc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 22px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--cyan-500);
}

/* ---------- 表格 ---------- */

.page-disclaimer .table-wrap {
  margin: 6px 0 18px;
}

.page-disclaimer .table th[scope="row"] {
  white-space: normal;
}

/* ---------- 中段线框分隔图 ---------- */

.page-disclaimer .disc-figure {
  margin: clamp(30px, 5vw, 52px) 0;
  border: var(--frame) solid var(--line-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-disclaimer .disc-figure__cap {
  border-top: var(--frame) solid var(--line-700);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist-300);
}

/* ---------- 引用示例 ---------- */

.page-disclaimer .disc-quote__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ember-300);
}

.page-disclaimer .disc-quote {
  margin: 0 0 18px;
  padding: 14px 18px;
  border-left: 4px solid var(--ember-500);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-100);
  overflow-x: auto;
}

/* ---------- 反馈渠道 ---------- */

.page-disclaimer .disc-callout {
  margin: 6px 0 20px;
  padding: clamp(18px, 3vw, 28px);
  border: var(--frame) solid var(--cyan-500);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .disc-channels {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-channels__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-700);
}

.page-disclaimer .disc-channels__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .disc-channels__key {
  flex: none;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-500);
}

.page-disclaimer .disc-channels__val {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper-100);
  word-break: break-word;
}

.page-disclaimer .disc-note {
  color: var(--mist-300);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-disclaimer .disc-toc__list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .disc-sec {
    grid-template-columns: var(--disc-num-w) 1fr;
    gap: 26px;
  }

  .page-disclaimer .disc-sec__num {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (max-width: 640px) {
  .page-disclaimer .disc-figure {
    box-shadow: 4px 4px 0 var(--shadow-ink);
    margin-right: 4px;
  }

  .page-disclaimer .disc-toc {
    box-shadow: 4px 4px 0 var(--shadow-ink);
    margin-right: 4px;
  }

  .page-disclaimer .disc-callout {
    box-shadow: 4px 4px 0 var(--shadow-ink);
    margin-right: 4px;
  }

  .page-disclaimer .disc-channels__key {
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-sec__body a:not(.btn) {
    transition: none;
  }
}