.page-disclaimer {
  --disc-line: rgba(20, 33, 61, .12);
  --disc-gold-soft: rgba(201, 160, 99, .16);
  --disc-gold-line: rgba(201, 160, 99, .38);

  background:
    radial-gradient(circle at 8% 0%, var(--disc-gold-soft), transparent 30rem),
    var(--jb-bg);
  color: var(--jb-text-ink);
  font-family: var(--jb-font-body);
  line-height: 1.7;
  overflow: clip;
}

/* ---------- Hero ---------- */
.disclaimer-hero {
  max-width: var(--jb-container);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) var(--jb-gutter) 0;
  display: grid;
  gap: 2rem;
}

.disclaimer-hero__copy {
  position: relative;
  z-index: 1;
}

.disclaimer-hero__copy .breadcrumbs {
  margin-bottom: 1.5rem;
  font-size: .875rem;
}

.disclaimer-hero__eyebrow {
  font-family: var(--jb-font-head);
  color: var(--jb-gold-dark);
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: .8125rem;
  margin-bottom: 1rem;
}

.disclaimer-hero h1 {
  font-family: var(--jb-font-head);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.18;
  margin: 0 0 1.25rem;
  max-width: 15em;
  letter-spacing: .01em;
}

.disclaimer-hero__lead {
  font-size: 1.0625rem;
  color: var(--jb-text-muted);
  max-width: 64ch;
  margin: 0;
}

.disclaimer-hero__note {
  display: inline-block;
  margin-top: 1.5rem;
  padding: .5rem 1rem;
  background: var(--disc-gold-soft);
  border-left: 3px solid var(--jb-gold);
  color: var(--jb-blue);
  font-size: .875rem;
}

.disclaimer-hero__figure {
  margin: 0;
  border-radius: var(--jb-radius);
  box-shadow: var(--jb-shadow);
  border: 1px solid var(--disc-gold-line);
  overflow: hidden;
  background: var(--jb-gold-light);
}

.disclaimer-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.disclaimer-hero__figure figcaption {
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--jb-gold-dark);
  background: var(--jb-surface);
  padding: .35rem .75rem;
  border-top: 1px solid var(--disc-gold-line);
}

/* ---------- 条款索引 ---------- */
.disclaimer-toc {
  max-width: var(--jb-container);
  margin: 2.5rem auto 0;
  padding: 0 var(--jb-gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}

.disclaimer-toc__label {
  width: 100%;
  font-size: .8125rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--jb-text-muted);
  padding-bottom: .5rem;
}

.disclaimer-toc__item {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .5rem .95rem;
  background: var(--jb-surface);
  border: 1px solid var(--disc-gold-line);
  border-radius: 999px;
  color: var(--jb-blue);
  text-decoration: none;
  font-size: .875rem;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.disclaimer-toc__item span {
  font-family: var(--jb-font-head);
  color: var(--jb-gold-dark);
  font-size: .8125rem;
}

.disclaimer-toc__item:hover {
  background: var(--jb-gold-light);
  color: var(--jb-blue);
  transform: translateY(-2px);
}

.disclaimer-toc__item:focus-visible {
  outline: 2px solid var(--jb-gold);
  outline-offset: 2px;
}

/* ---------- 章节框架 ---------- */
.disclaimer-section {
  max-width: var(--jb-container);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--jb-gutter);
}

.disclaimer-section--narrow {
  max-width: 900px;
}

.disclaimer-section__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--disc-gold-line);
  transition: border-color .3s ease;
}

.disclaimer-section__num {
  font-family: var(--jb-font-head);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  line-height: 1;
  color: var(--jb-gold);
  opacity: .88;
  transition: color .3s ease;
}

.disclaimer-section__head h2 {
  font-family: var(--jb-font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0;
}

.disclaimer-section__body p {
  margin: 0 0 1rem;
  max-width: 70ch;
}

.disclaimer-section__body h3 {
  font-family: var(--jb-font-head);
  font-size: 1.4rem;
  margin: 2rem 0 .75rem;
  color: var(--jb-blue);
}

.page-disclaimer [data-scroll-section].is-active .disclaimer-section__num {
  color: var(--jb-red);
}

.page-disclaimer [data-scroll-section].is-active .disclaimer-section__head {
  border-bottom-color: var(--jb-red);
}

/* ---------- 使用规范列表 ---------- */
.disclaimer-rules {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 1.75rem;
  display: grid;
  gap: .75rem;
}

.disclaimer-rules li {
  position: relative;
  padding: .75rem 1rem .75rem 1.75rem;
  border-left: 2px solid var(--jb-gold);
  border-radius: 0 var(--jb-radius) var(--jb-radius) 0;
  background: var(--jb-surface);
  box-shadow: 0 1px 2px rgba(20, 33, 61, .05);
}

.disclaimer-rules li::before {
  content: "—";
  position: absolute;
  left: .5rem;
  color: var(--jb-gold-dark);
  font-weight: 700;
}

/* ---------- 检索路径卡片 ---------- */
.disclaimer-usage-grid {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.disclaimer-usage-card {
  position: relative;
  background: var(--jb-surface);
  border: 1px solid rgba(20, 33, 61, .08);
  border-top: 3px solid var(--jb-gold);
  border-radius: var(--jb-radius);
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  box-shadow: var(--jb-shadow);
  transition: border-color .25s ease, transform .25s ease;
}

.disclaimer-usage-card:hover {
  border-top-color: var(--jb-red);
  transform: translateY(-3px);
}

.disclaimer-usage-card__index {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--jb-font-head);
  font-size: 1.1rem;
  color: rgba(201, 160, 99, .5);
}

.disclaimer-usage-card h4 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--jb-blue);
  margin: 0 0 .5rem;
  padding-right: 2rem;
  font-family: var(--jb-font-body);
}

.disclaimer-usage-card p {
  font-size: .875rem;
  color: var(--jb-text-muted);
  margin: 0;
  max-width: none;
}

/* ---------- 信息图 ---------- */
.disclaimer-diagram {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 0;
  align-items: stretch;
}

.disclaimer-diagram__step {
  flex: 1 1 100%;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--jb-radius);
  color: var(--jb-on-dark);
  background: var(--jb-blue);
  min-height: 64px;
}

.disclaimer-diagram__n {
  font-family: var(--jb-font-head);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--jb-gold-light);
  width: 1.4em;
}

.disclaimer-diagram__t {
  font-size: .9375rem;
  font-weight: 700;
}

.disclaimer-diagram__step--gold {
  background: var(--jb-gold-dark);
}

.disclaimer-diagram__step--red {
  background: var(--jb-red);
}

/* ---------- 免责声明 ---------- */
.disclaimer-warn {
  position: relative;
  margin: 0 0 1.5rem;
  padding: 1.5rem;
  background: var(--jb-red);
  color: var(--jb-on-dark);
  border-radius: var(--jb-radius);
  overflow: hidden;
}

.disclaimer-warn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 70%, rgba(232, 200, 143, .25) 100%);
  pointer-events: none;
}

.disclaimer-warn__mark {
  display: inline-block;
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: .25rem .75rem;
  margin-bottom: .75rem;
  background: var(--jb-on-dark);
  color: var(--jb-red);
  border-radius: 999px;
}

.disclaimer-warn p {
  margin: 0;
  font-size: 1rem;
  max-width: 60ch;
  position: relative;
  z-index: 1;
}

.disclaimer-warn p strong {
  color: var(--jb-gold-light);
}

.disclaimer-notes {
  list-style: square;
  padding-left: 1.25rem;
  margin: 1.25rem 0 0;
  color: var(--jb-text-muted);
  font-size: .9375rem;
}

.disclaimer-notes li {
  margin-bottom: .5rem;
  max-width: 68ch;
}

/* ---------- 深蓝知识产权 ---------- */
.disclaimer-section--dark {
  max-width: none;
  background:
    linear-gradient(rgba(201, 160, 99, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 160, 99, .06) 1px, transparent 1px),
    var(--jb-blue);
  background-size: 40px 40px;
  color: var(--jb-on-dark);
}

.disclaimer-section--dark .disclaimer-section__head {
  max-width: var(--jb-container);
  margin: 0 auto 1.5rem;
  padding: 0 0 1rem;
  border-bottom-color: rgba(232, 200, 143, .3);
}

.disclaimer-section--dark .disclaimer-section__body {
  max-width: var(--jb-container);
  margin: 0 auto;
}

.disclaimer-section--dark .disclaimer-section__head h2,
.disclaimer-section--dark p {
  color: var(--jb-on-dark);
}

.disclaimer-section--dark .disclaimer-section__num {
  color: var(--jb-gold-light);
}

.disclaimer-ip__tag {
  display: inline-block;
  margin-top: .5rem;
  padding: .75rem 1rem;
  background: rgba(232, 200, 143, .12);
  border-left: 3px solid var(--jb-gold-light);
  max-width: 48ch;
  color: var(--jb-on-dark) !important;
}

/* ---------- 折叠详细说明 ---------- */
.disclaimer-detail {
  margin-top: 1.5rem;
  border: 1px solid var(--disc-gold-line);
  border-radius: var(--jb-radius);
  background: rgba(255, 255, 255, .7);
}

.disclaimer-detail summary {
  cursor: pointer;
  padding: .875rem 1rem;
  font-weight: 700;
  color: var(--jb-blue);
}

.disclaimer-detail summary:focus-visible {
  outline: 2px solid var(--jb-gold);
  outline-offset: 2px;
}

.disclaimer-detail[open] summary {
  border-bottom: 1px solid var(--disc-gold-line);
}

.disclaimer-detail__body {
  padding: 1rem 1.25rem 1.25rem;
  font-size: .9375rem;
  color: var(--jb-text-muted);
}

.disclaimer-detail__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 更新通知 ---------- */
.disclaimer-update__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

.disclaimer-update__actions .btn {
  text-decoration: none;
  padding: .75rem 1.5rem;
}

.disclaimer-update__link {
  align-self: center;
  padding: .75rem 1.5rem;
  color: var(--jb-gold-dark);
  border: 1px solid var(--jb-gold);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: background .2s ease, color .2s ease;
}

.disclaimer-update__link:hover {
  background: var(--jb-gold-light);
  color: var(--jb-blue);
}

.disclaimer-update__link:focus-visible {
  outline: 2px solid var(--jb-gold);
  outline-offset: 2px;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 768px) {
  .disclaimer-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    padding-top: clamp(2.5rem, 6vw, 4.5rem);
    gap: 3rem;
  }

  .disclaimer-toc__label {
    width: auto;
    margin-right: 1rem;
    padding-bottom: 0;
  }

  .disclaimer-rules {
    grid-template-columns: 1fr 1fr;
  }

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

  .disclaimer-diagram__step {
    flex: 1 1 calc(33.33% - 1rem);
  }

  .disclaimer-section--dark {
    background-size: 60px 60px;
  }
}