.page-disclaimer {
  --notice-mono: "SFMono-Regular", Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ===== 使用说明 · 公告栏排版 ===== */

/* ---------- 面包屑上下文 ---------- */
.page-disclaimer .breadcrumb {
  padding-top: 1.5rem;
  padding-bottom: 0;
}

/* ---------- 公告栏首屏 ---------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .disclaimer-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 38vw;
  height: 100%;
  background: var(--blue);
  opacity: 0.16;
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-disclaimer .disclaimer-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--orange);
}

.page-disclaimer .disclaimer-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-disclaimer .disclaimer-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 9vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.98;
  margin: 0 0 0.5rem 0;
  max-width: 11ch;
  text-wrap: balance;
}

.page-disclaimer .disclaimer-hero-lead {
  color: var(--orange);
  font-size: clamp(1.125rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 1rem 0;
}

.page-disclaimer .disclaimer-hero-desc {
  color: rgba(245, 241, 232, 0.82);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0 0 1.5rem 0;
  max-width: 50ch;
}

.page-disclaimer .disclaimer-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-disclaimer .disclaimer-hero-actions .button-ghost {
  color: var(--paper);
  border-color: rgba(245, 241, 232, 0.5);
}

.page-disclaimer .disclaimer-hero-actions .button-ghost:hover {
  border-color: var(--paper);
}

.page-disclaimer .disclaimer-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-disclaimer .disclaimer-hero-visual {
  display: block;
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.page-disclaimer .disclaimer-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

.page-disclaimer .disclaimer-stamp {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.875rem 1.125rem;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 4px solid var(--orange);
  border-radius: 0 4px 4px 0;
}

.page-disclaimer .disclaimer-stamp-text {
  margin: 0.5rem 0 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 正文双栏区域 ---------- */
.page-disclaimer .disclaimer-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.page-disclaimer .disclaimer-index .section-kicker {
  margin-bottom: 1rem;
}

.page-disclaimer .disclaimer-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-disclaimer .disclaimer-index-list li {
  margin: 0;
}

.page-disclaimer .disclaimer-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  margin-left: -1px;
  padding: 0.7rem 0 0.7rem 1.125rem;
  border-left: 3px solid transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease, padding-left 200ms ease;
}

.page-disclaimer .disclaimer-index-list a span {
  font-family: var(--notice-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
}

.page-disclaimer .disclaimer-index-list a:hover,
.page-disclaimer .disclaimer-index-list a:focus-visible {
  outline: none;
  color: var(--blue);
  border-left-color: var(--blue);
  padding-left: 1.375rem;
}

.page-disclaimer .disclaimer-index-list a:focus-visible {
  box-shadow: 0 0 0 3px var(--gold);
}

/* ---------- 条款区 ---------- */
.page-disclaimer .disclaimer-terms {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-disclaimer .disclaimer-term {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem) 0 clamp(1.5rem, 3vw, 2rem);
  padding-left: clamp(0.75rem, 2.5vw, 1.75rem);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disclaimer-term:first-child {
  border-top: 1px solid var(--line);
}

.page-disclaimer .disclaimer-term::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.375rem;
  bottom: 0.375rem;
  width: 3px;
  background: var(--line);
  transition: background 200ms ease;
}

.page-disclaimer .disclaimer-term:hover::before,
.page-disclaimer .disclaimer-term:focus-within::before {
  background: var(--blue);
}

.page-disclaimer .disclaimer-term--disclaimer::before {
  background: var(--orange);
}

.page-disclaimer .disclaimer-term--disclaimer:hover::before,
.page-disclaimer .disclaimer-term--disclaimer:focus-within::before {
  background: var(--orange);
}

.page-disclaimer .disclaimer-term-index {
  display: inline-block;
  font-family: var(--notice-mono);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 0.625rem;
}

.page-disclaimer .disclaimer-term h2 {
  margin: 0 0 0.75rem 0;
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--ink);
}

.page-disclaimer .disclaimer-term p {
  margin: 0 0 1rem 0;
  font-size: 0.965rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.86;
}

.page-disclaimer .disclaimer-term .button {
  margin-top: 0.25rem;
}

/* ---------- 版本号等宽演示 ---------- */
.page-disclaimer .version-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin: 1rem 0 1.25rem;
}

.page-disclaimer .version-demo code {
  font-family: var(--notice-mono);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  color: var(--paper);
  background: var(--ink);
  border-radius: 3px;
}

/* ---------- 五类分组条 ---------- */
.page-disclaimer .category-strip {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-disclaimer .category-strip li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  padding: 0.7rem 0.875rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.page-disclaimer .category-strip small {
  font-size: 0.8125rem;
  color: var(--ink);
  opacity: 0.62;
  line-height: 1.4;
}

/* ---------- 移动端工具栏四条 ---------- */
.page-disclaimer .mobile-bar-strip {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.page-disclaimer .mobile-bar-strip li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.875rem 0.25rem;
  background: var(--night);
  color: var(--paper);
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
}

.page-disclaimer .mobile-bar-strip li span {
  font-family: var(--notice-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 更新事实数据 ---------- */
.page-disclaimer .update-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.page-disclaimer .update-fact {
  padding: 0.875rem 1rem;
  background: var(--paper);
  border-left: 3px solid var(--orange);
  border-radius: 0 4px 4px 0;
}

.page-disclaimer .update-fact strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  line-height: 1.05;
  color: var(--ink);
}

.page-disclaimer .update-fact span {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--ink);
  opacity: 0.72;
}

/* ---------- 展开解释块（渐进增强） ---------- */
.page-disclaimer .term-explainer {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: rgba(10, 92, 255, 0.04);
  cursor: default;
  transition: border-color 200ms ease, background 200ms ease;
}

.page-disclaimer .term-explainer:hover,
.page-disclaimer .term-explainer:focus-within {
  border-color: var(--blue);
  background: rgba(10, 92, 255, 0.08);
}

.page-disclaimer .term-explainer-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--notice-mono);
  font-size: 0.6875rem;
  font-weight: 700;
}

.page-disclaimer .term-explainer p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0.92;
}

/* ---------- 底部信息层级进度条 ---------- */
.page-disclaimer .disclaimer-flow {
  background: var(--night);
  color: var(--paper);
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.page-disclaimer .disclaimer-flow .section-kicker {
  color: var(--orange);
}

.page-disclaimer .disclaimer-flow-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.page-disclaimer .disclaimer-flow-head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-disclaimer .disclaimer-flow-note {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(245, 241, 232, 0.66);
  max-width: 46ch;
}

.page-disclaimer .disclaimer-flow-track {
  position: relative;
}

.page-disclaimer .disclaimer-flow-line {
  display: none;
}

.page-disclaimer .disclaimer-flow-fill {
  display: none;
}

.page-disclaimer .disclaimer-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-disclaimer .disclaimer-flow-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 0.875rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.12);
}

.page-disclaimer .disclaimer-flow-steps li > span {
  font-family: var(--notice-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange);
}

.page-disclaimer .flow-item-text {
  margin: 0;
}

.page-disclaimer .flow-item-text strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.4;
}

.page-disclaimer .flow-item-text em {
  display: block;
  margin-top: 0.125rem;
  font-style: normal;
  font-size: 0.75rem;
  line-height: 1.4;
  color: rgba(245, 241, 232, 0.56);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 48rem) {
  .page-disclaimer .disclaimer-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
    align-items: center;
  }

  .page-disclaimer .disclaimer-body {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
  }

  .page-disclaimer .disclaimer-index {
    position: sticky;
    top: 3rem;
  }

  .page-disclaimer .category-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 信息层级横向轨道 */
  .page-disclaimer .disclaimer-flow-line {
    display: block;
    position: absolute;
    top: 0.375rem;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(245, 241, 232, 0.14);
    border-radius: 999px;
  }

  .page-disclaimer .disclaimer-flow-fill {
    display: block;
    position: absolute;
    top: 0.375rem;
    left: 0;
    height: 4px;
    width: 20%;
    background: var(--orange);
    border-radius: 999px;
    transition: width 320ms ease;
  }

  .page-disclaimer .disclaimer-flow-track:hover .disclaimer-flow-fill,
  .page-disclaimer .disclaimer-flow-track:focus-within .disclaimer-flow-fill {
    width: 100%;
  }

  .page-disclaimer .disclaimer-flow-steps {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }

  .page-disclaimer .disclaimer-flow-steps li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 0;
    padding: 1.75rem 0.25rem 0 0.25rem;
    border-bottom: 0;
  }

  .page-disclaimer .disclaimer-flow-steps li::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 0.75rem;
    height: 0.75rem;
    border: 3px solid var(--orange);
    border-radius: 50%;
    background: var(--night);
    transform: translateX(-50%);
    transition: background 200ms ease;
  }

  .page-disclaimer .disclaimer-flow-steps li:hover::before,
  .page-disclaimer .disclaimer-flow-steps li:focus-within::before {
    background: var(--orange);
  }

  .page-disclaimer .flow-item-text em {
    display: none;
  }
}

@media (min-width: 64rem) {
  .page-disclaimer .disclaimer-hero-grid {
    gap: 4rem;
  }

  .page-disclaimer .disclaimer-body {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  }

  .page-disclaimer .flow-item-text em {
    display: block;
  }

  .page-disclaimer .disclaimer-flow-steps li {
    max-width: 15rem;
  }
}