/* ==========================================
   页面：使用说明 / instructions
   作用域：.page-disclaimer
========================================== */
.page-disclaimer {
  --dl-accent-soft: rgba(255,106,0,.10);
  --dl-accent-border: rgba(255,106,0,.32);
  --dl-panel: rgba(255,255,255,.02);
  --dl-radius: var(--radius-lg);
  --dl-gap: clamp(1.5rem, 4vw, 3rem);

  max-width: 1200px;
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 3rem);
  color: var(--text);
  background: transparent;
}

/* 面包屑：仅页面内增强 */
.page-disclaimer .breadcrumb {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
  font-size: 14px;
}
.page-disclaimer .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--text);
}
.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

/* 首屏横幅 */
.page-disclaimer__banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
  padding: clamp(1.75rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
}

.page-disclaimer__banner-copy h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--text);
  margin: 0 0 1rem;
}

.page-disclaimer__banner-copy p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-disclaimer__banner-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

/* 内容主体布局 */
.page-disclaimer__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
  margin-top: var(--dl-gap);
}

.page-disclaimer__main {
  min-width: 0;
}

/* 目录卡片 */
.page-disclaimer__toc-inner {
  background: var(--dl-panel);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  padding: 1.5rem;
}

.page-disclaimer__toc-label {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  color: var(--text);
  letter-spacing: .04em;
  margin: 0 0 1rem;
}

.page-disclaimer__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .25rem;
}

.page-disclaimer__toc-list a {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem .8rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  transition: background var(--transition), color var(--transition), padding-left var(--transition);
}

.page-disclaimer__toc-list a:hover {
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding-left: 1rem;
}

.page-disclaimer__toc-list span {
  font-family: var(--font-number);
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
  min-width: 1.5rem;
}

/* 条款卡片 */
.page-disclaimer__card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--dl-panel);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  margin-bottom: 1.25rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-disclaimer__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(255,106,0,0) 100%);
  opacity: .8;
}

.page-disclaimer__card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 48px;
  background: var(--dl-accent-soft);
  border: 1px solid var(--dl-accent-border);
  border-radius: var(--radius-pill);
  color: var(--accent);
  font-family: var(--font-number);
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: .75rem;
}

.page-disclaimer__card-body h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.375rem, 2.4vw, 1.7rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 1rem;
}

.page-disclaimer__card-body p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 1rem;
}

.page-disclaimer__card-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__card-body a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.page-disclaimer__card-body a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* 用户行为列表 */
.page-disclaimer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-disclaimer__list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
  line-height: 1.7;
}

.page-disclaimer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* 联系列表 */
.page-disclaimer__contact {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-disclaimer__contact li {
  color: var(--muted);
  line-height: 1.7;
}

/* 警告框 */
.page-disclaimer__warning {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--dl-accent-soft);
  border: 1px solid var(--dl-accent-border);
  border-radius: var(--radius-md);
}

.page-disclaimer__warning-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--accent);
  margin: 0 0 .5rem;
}

.page-disclaimer__warning p:last-child {
  margin-bottom: 0;
  color: rgba(242,246,250,.82);
}

/* 底部返回 */
.page-disclaimer__foot {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
  margin-top: var(--dl-gap);
  padding: clamp(1.5rem, 3vw, 2rem);
  background: linear-gradient(120deg, rgba(255,106,0,.08) 0%, rgba(10,30,60,0) 55%);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
}

.page-disclaimer__foot p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
  max-width: 45em;
}

.page-disclaimer__foot p a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.page-disclaimer__foot p a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.page-disclaimer__foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-disclaimer__banner {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
  }

  .page-disclaimer__layout {
    grid-template-columns: 240px 1fr;
    align-items: start;
  }

  .page-disclaimer__toc {
    position: sticky;
    top: 2rem;
  }

  .page-disclaimer__card {
    grid-template-columns: 88px 1fr;
    gap: 1.75rem;
    align-items: start;
    margin-bottom: 1.5rem;
  }

  .page-disclaimer__card-index {
    margin-bottom: 0;
  }

  .page-disclaimer__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (hover: hover) {
  .page-disclaimer__card:hover {
    border-color: var(--dl-accent-border);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(6,18,32,.35);
  }
}