/* ===== 访问与使用说明 / page-disclaimer ===== */

.page-disclaimer {
  --disc-rail: 42px;
  --disc-sticky: 64px;
}

@media (min-width: 900px) {
  .page-disclaimer {
    --disc-rail: 96px;
  }
}

/* ---------- 深色承接首屏 ---------- */

.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-contrast-line) 0 1px,
    transparent 1px 92px
  );
}

.page-disclaimer .disc-hero__inner {
  display: grid;
  gap: var(--space-4);
}

.page-disclaimer .disc-hero__crumb {
  font-size: var(--text-xs);
}

.page-disclaimer .disc-hero .breadcrumb,
.page-disclaimer .disc-hero .breadcrumb a,
.page-disclaimer .disc-hero .breadcrumb li {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-disclaimer .disc-hero .breadcrumb a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-hero__kicker {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
  margin: 0;
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-2xl), 6.4vw, var(--text-4xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__lead {
    font-size: var(--text-lg);
  }
}

.page-disclaimer .disc-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 760px) {
  .page-disclaimer .disc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

.page-disclaimer .disc-hero__facts li {
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
}

.page-disclaimer .disc-hero__fact-num {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

/* ---------- 条款索引条 ---------- */

.page-disclaimer .disc-toc {
  position: sticky;
  top: var(--disc-sticky);
  z-index: 20;
  background: var(--color-surface-alt);
}

.page-disclaimer .disc-toc__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .disc-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .disc-toc__label {
  flex: none;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

@media (max-width: 639px) {
  .page-disclaimer .disc-toc__label {
    display: none;
  }
}

.page-disclaimer .disc-toc__list {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-toc__list a {
  display: inline-block;
  white-space: nowrap;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-ink-soft);
  background: transparent;
  border-radius: var(--radius-sm);
  transition: background-color 0.16s linear, color 0.16s linear;
}

.page-disclaimer .disc-toc__list a:hover {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.page-disclaimer .disc-toc__list a[aria-current="true"] {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

/* ---------- 章节通用 ---------- */

.page-disclaimer .disc-section {
  scroll-margin-top: calc(var(--disc-sticky) + var(--space-6));
}

.page-disclaimer .disc-head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-disclaimer .disc-head__kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-disclaimer .disc-head__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-head__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 条款主体 ---------- */

.page-disclaimer .disc-clause {
  display: grid;
  grid-template-columns: var(--disc-rail) minmax(0, 1fr);
  column-gap: var(--space-2);
  row-gap: var(--space-2);
  align-items: start;
  padding-block: var(--space-6);
}

.page-disclaimer .disc-clause + .disc-clause {
  padding-top: 0;
}

.page-disclaimer .disc-clause__num {
  padding-top: var(--space-1);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-clause {
    column-gap: var(--space-4);
  }

  .page-disclaimer .disc-clause__num {
    padding-right: var(--space-3);
    border-right: 1px solid var(--color-line);
    text-align: right;
  }
}

.page-disclaimer .disc-clause__num a {
  display: inline-block;
  font-size: var(--text-lg);
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--color-primary);
  border-bottom: 2px solid transparent;
  transition: border-color 0.16s linear;
}

.page-disclaimer .disc-clause__num a:hover {
  border-bottom-color: var(--color-primary);
}

.page-disclaimer .disc-clause__body {
  min-width: 0;
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .disc-clause__body p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

.page-disclaimer .disc-clause__body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 关键提示色块反转 ---------- */

.page-disclaimer .disc-callout {
  margin: var(--space-3) 0 0;
  padding: var(--space-3) var(--space-4);
  max-width: var(--measure);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-sm);
}

/* ---------- 仿冒特征清单 ---------- */

.page-disclaimer .disc-flags {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

@media (min-width: 700px) {
  .page-disclaimer .disc-flags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-disclaimer .disc-flag {
  padding: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  transition: background-color 0.16s linear, color 0.16s linear;
}

.page-disclaimer .disc-flag:hover,
.page-disclaimer .disc-flag:focus-within {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 图片 ---------- */

.page-disclaimer .disc-figure {
  margin: var(--space-6) 0 0;
}

.page-disclaimer .disc-figure__media {
  aspect-ratio: 12 / 7;
  overflow: hidden;
  border-radius: var(--space-1);
  background: var(--color-contrast-surface);
}

.page-disclaimer .disc-figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .disc-figure__cap {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ---------- 状态词条 ---------- */

.page-disclaimer .disc-states {
  display: grid;
  gap: 0;
  margin: 0 0 var(--space-6);
  padding: 0;
  max-width: var(--measure);
}

@media (min-width: 760px) {
  .page-disclaimer .disc-states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
  }
}

.page-disclaimer .disc-state {
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  border-top: 2px solid var(--color-primary);
}

.page-disclaimer .disc-state dt {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.page-disclaimer .disc-state dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 末条处理路径 ---------- */

.page-disclaimer .disc-clause--path {
  margin-top: var(--space-6);
  padding: var(--space-6) var(--space-4);
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

.page-disclaimer .disc-clause--path .disc-clause__num {
  border-right-color: color-mix(in srgb, var(--color-accent-ink) 40%, transparent);
}

.page-disclaimer .disc-clause--path .disc-clause__num a,
.page-disclaimer .disc-clause--path .disc-clause__title,
.page-disclaimer .disc-clause--path .disc-clause__body p {
  color: var(--color-accent-ink);
}

.page-disclaimer .disc-clause--path .disc-clause__num a:hover {
  border-bottom-color: var(--color-accent-ink);
}

.page-disclaimer .disc-clause--path .disc-clause__body a {
  color: var(--color-accent-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 显现动效 ---------- */

.has-js .page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease-out, transform 0.45s ease-out;
}

.has-js .page-disclaimer [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 焦点可见性 ---------- */

.page-disclaimer a:focus-visible,
.page-disclaimer .disc-flag:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}
</main>