.page-news{
  background: var(--primary-blue);
  color: var(--text-light);
  font-family: var(--font-sans);
}

.page-news__hero{
  padding: clamp(1.5rem, 5vw, 4rem) var(--container-pad) 2.5rem;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(255,107,44,0.16), transparent 40%),
    linear-gradient(135deg, var(--primary-blue) 0%, var(--deep-blue-glow) 100%);
  display: grid;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-news__hero::after{
  content: "";
  position: absolute;
  inset-inline-start: -6rem;
  inset-block-end: -4rem;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: rgba(44,74,110,0.18);
  pointer-events: none;
}

.page-news__hero-copy{
  max-width: 52rem;
  position: relative;
  z-index: 1;
}

.page-news__hero-title{
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
  color: #FFFFFF;
}

.page-news__hero-lead{
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-light);
  max-width: 44rem;
}

.page-news__statgroup{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.page-news__stat{
  background: var(--glass-white);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  min-width: 96px;
}

.page-news__stat-num{
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--orange-accent);
  line-height: 1.1;
}

.page-news__stat-label{
  font-size: 0.875rem;
  color: var(--text-light);
  opacity: 0.84;
}

.page-news__live{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  padding: 1rem var(--container-pad);
  background: linear-gradient(90deg, rgba(255,107,44,0.2), rgba(16,42,67,0.72));
  border-block: 1px solid rgba(255,255,255,0.06);
}

.page-news__live-icon{
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--glass-white);
}

.page-news__live-copy{
  flex: 1 1 auto;
  min-width: 220px;
}

.page-news__live-title{
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.2rem;
}

.page-news__live-desc{
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.85;
}

.page-news__live-badge{
  background: var(--orange-accent);
  color: var(--primary-blue);
  font-weight: 800;
  font-size: 0.875rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
}

.page-news__layout{
  padding: var(--space-6) var(--container-pad) var(--space-8);
  display: grid;
  gap: var(--space-6);
  background: var(--background-gray);
  color: var(--text-dark);
}

.page-news__filter{
  align-self: start;
  background: linear-gradient(160deg, var(--primary-blue), var(--deep-blue-glow));
  color: #FFFFFF;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 18px 40px -24px rgba(10,27,42,0.7);
}

.page-news__filter-heading h2{
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

.page-news__filter-heading p{
  color: var(--text-light);
  font-size: 0.875rem;
  margin: 0 0 1rem;
}

.page-news__filter-controls{
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news__filter-radio{
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0 0 0 0);
  overflow: hidden;
  white-space: nowrap;
}

.page-news__filter-label{
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  background: rgba(255,255,255,0.1);
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.12);
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.page-news__filter-label:hover{
  background: rgba(255,255,255,0.18);
}

.page-news__filter-radio:checked + .page-news__filter-label{
  background: var(--orange-accent);
  border-color: var(--orange-accent);
  color: var(--primary-blue);
}

.page-news__filter-radio:focus-visible + .page-news__filter-label{
  outline: 3px solid var(--soft-orange-gradient);
  outline-offset: 2px;
}

.page-news:has(#page-news__cat-version:checked) .page-news__card:not([data-cat="version"]),
.page-news:has(#page-news__cat-scope:checked) .page-news__card:not([data-cat="scope"]),
.page-news:has(#page-news__cat-device:checked) .page-news__card:not([data-cat="device"]),
.page-news:has(#page-news__cat-guide:checked) .page-news__card:not([data-cat="guide"]){
  display: none;
}

.page-news__filter-tree{
  display: block;
  width: 100%;
  height: auto;
  margin: 1.25rem 0 0.25rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  padding: 0.5rem;
}

.page-news__filter-sub{
  margin-top: 1.25rem;
}

.page-news__filter-sub h3{
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  opacity: 0.72;
  margin: 0 0 0.75rem;
}

.page-news__filter-tags{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-news__filter-figure{
  margin: 1.5rem 0 0;
}

.page-news__filter-figure img{
  border-radius: 14px;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__filter-figure figcaption{
  font-size: 0.8rem;
  color: var(--text-light);
  opacity: 0.8;
  margin-top: 0.4rem;
}

.page-news__list-head{
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
}

.page-news__list-head h2{
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.2;
  margin: 0;
}

.page-news__list-head p{
  color: var(--text-dark);
  opacity: 0.7;
  font-size: 0.95rem;
}

.page-news__card{
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(27,42,58,0.14);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.page-news__card:first-of-type{
  border-top: 1px solid rgba(27,42,58,0.14);
}

.page-news__card:hover{
  background: rgba(255,255,255,0.6);
  box-shadow: 0 0 0 1px var(--orange-accent) inset;
}

.page-news__card-media{
  flex-shrink: 0;
}

.page-news__card-media img{
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.page-news__card-content{
  min-width: 0;
}

.page-news__card-meta{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
  color: var(--primary-blue);
}

.page-news__card-title{
  font-size: 1.22rem;
  line-height: 1.35;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0 0 0.6rem;
}

.page-news__card-excerpt{
  margin: 0 0 0.8rem;
  color: var(--text-dark);
  opacity: 0.82;
  line-height: 1.7;
}

.page-news__card-details summary{
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--orange-accent);
  list-style: none;
  position: relative;
  display: inline-flex;
  line-height: 1.4;
}

.page-news__card-details summary::-webkit-details-marker{
  display: none;
}

.page-news__card-details summary::after{
  content: "+";
  margin-left: 0.4rem;
  font-weight: 900;
  transition: transform var(--transition-base);
}

.page-news__card-details[open] summary::after{
  transform: rotate(45deg);
}

.page-news__card-details p{
  margin: 0.6rem 0 0;
  padding: 0.8rem 1rem;
  background: rgba(29,59,92,0.08);
  border-radius: 10px;
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-news__topics{
  background:
    radial-gradient(circle at 20% 30%, rgba(44,74,110,0.7), transparent 50%),
    var(--primary-blue);
  color: var(--text-light);
  padding: 2rem var(--container-pad) 3.5rem;
}

.page-news__topics-banner img{
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: cover;
  border-radius: 18px;
}

.page-news__topics-head{
  margin: 1.5rem 0;
  max-width: 42rem;
}

.page-news__topics-head h2{
  font-size: 2rem;
  font-weight: 900;
  color: #FFFFFF;
  margin: 0.3rem 0 0.6rem;
}

.page-news__topics-head p{
  opacity: 0.85;
  margin: 0;
}

.page-news__topics-grid{
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-news__topic-card{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.4rem;
  background: var(--glass-white);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}

.page-news__topic-card:hover{
  transform: translateY(-3px);
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,107,44,0.65);
}

.page-news__topic-card h3{
  font-size: 1.2rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
}

.page-news__topic-card p{
  margin: 0;
  line-height: 1.7;
  opacity: 0.85;
  color: var(--text-light);
}

@media (min-width: 56.25rem){
  .page-news__hero{
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-news__layout{
    grid-template-columns: minmax(19rem, 23rem) minmax(0, 1fr);
    align-items: start;
  }

  .page-news__filter{
    position: sticky;
    top: 1.5rem;
  }

  .page-news__card{
    flex-direction: row;
    align-items: stretch;
    gap: 1.5rem;
  }

  .page-news__card-media{
    width: 220px;
    margin-bottom: 0;
  }

  .page-news__card-content{
    flex: 1;
  }

  .page-news__topics-grid{
    grid-template-columns: repeat(3, 1fr);
  }
}