.page-news {
  --nw-rail: 220px;
  display: block;
}

.page-news .nw-hero {
  padding-top: clamp(16px, 3.2vw, 32px);
}

.page-news .yk-crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
}

.page-news .yk-crumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-deep);
}

.page-news .yk-crumbs__item + .yk-crumbs__item::before {
  content: "/";
  color: var(--c-line);
}

.page-news .yk-crumbs__link {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .yk-crumbs__link:hover {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
}

.page-news .nw-hero__grid {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-news .nw-hero__copy {
  min-width: 0;
}

.page-news .nw-hero__copy .yk-lead {
  max-width: 56ch;
  margin-top: 14px;
}

.page-news .nw-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 24px;
}

.page-news .nw-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .nw-stamp {
  position: relative;
  border: 1px solid var(--c-ochre);
  background: var(--c-glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 20px 20px 18px;
  box-shadow: var(--shadow-card);
}

.page-news .nw-stamp::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 26px;
  height: 26px;
  border-right: 2px solid var(--c-green);
  border-bottom: 2px solid var(--c-green);
  opacity: 0.55;
}

.page-news .nw-stamp__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-deep);
}

.page-news .nw-stamp__num {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--c-ink);
}

.page-news .nw-stamp__num small {
  font-size: 0.26em;
  letter-spacing: 0.1em;
  margin-left: 6px;
  color: var(--c-ochre);
}

.page-news .nw-stamp__foot {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--c-deep);
}

.page-news .nw-index {
  padding-top: clamp(32px, 6vw, 62px);
}

.page-news .nw-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 24px;
}

.page-news .nw-index__head .yk-h2 {
  margin: 0;
}

.page-news .nw-layout {
  display: grid;
  gap: 26px;
}

.page-news .nw-filter {
  min-width: 0;
  border-top: 2px solid var(--c-ink);
  padding-top: 14px;
}

.page-news .nw-filter__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-deep);
}

.page-news .nw-filter__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .nw-filter__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-ochre);
  border-radius: var(--radius);
  background: var(--c-glass);
  color: var(--c-ink);
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .nw-filter__link:hover {
  border-left-color: var(--c-green);
  border-color: var(--c-green);
}

.page-news .nw-filter__link[aria-current="true"] {
  background: var(--c-ink);
  border-color: var(--c-ink);
  border-left-color: var(--c-green);
  color: var(--c-sand);
}

.page-news .nw-filter__no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-ochre);
}

.page-news .nw-feed {
  min-width: 0;
}

.page-news .nw-cover {
  margin: 0 0 24px;
}

.page-news .nw-cover .yk-figure__media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-news .nw-cover img,
.page-news .nw-tl-figure img,
.page-news .nw-ind-figure img,
.page-news .nw-log-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .nw-posts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-news .nw-post {
  min-width: 0;
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-ochre);
  border-radius: var(--radius);
  background: var(--c-glass);
  padding: 18px 18px 20px;
  transition: border-color 0.2s var(--ease);
}

.page-news .nw-post:hover {
  border-top-color: var(--c-green);
}

.page-news .nw-post--lead {
  border-top-width: 4px;
  box-shadow: var(--shadow-card);
}

.page-news .nw-post__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .nw-post__no {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-deep);
}

.page-news .nw-post__title {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-news .nw-post--lead .nw-post__title {
  font-size: clamp(1.22rem, 2.6vw, 1.58rem);
}

.page-news .nw-post__sum {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-news .nw-post__when {
  margin: 12px 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

.page-news .nw-post__more {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
}

.page-news .nw-post__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--c-green);
}

.page-news .nw-post__more summary::-webkit-details-marker {
  display: none;
}

.page-news .nw-post__more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-news .nw-post__more[open] summary::before {
  content: "\2212 ";
}

.page-news .nw-post__more p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-deep);
}

.page-news .nw-tl-lead {
  max-width: 54ch;
  margin-top: 12px;
}

.page-news .nw-tl-figure {
  margin: 22px 0 6px;
}

.page-news .nw-tl-figure .yk-figure__media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-news .nw-timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 6px 0 20px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-news .nw-timeline > li {
  position: relative;
  flex: 0 0 232px;
  min-width: 0;
  scroll-snap-align: start;
  padding-top: 28px;
}

.page-news .nw-timeline > li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-line);
}

.page-news .nw-timeline > li::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px var(--c-sand);
  transition: background 0.2s var(--ease);
}

.page-news .nw-timeline > li:hover::after,
.page-news .nw-timeline > li:focus-within::after {
  background: var(--c-amber);
}

.page-news .nw-timeline__ver {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--c-deep);
  opacity: 0.6;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .nw-timeline > li:hover .nw-timeline__ver,
.page-news .nw-timeline > li:focus-within .nw-timeline__ver {
  opacity: 1;
  color: var(--c-green);
}

.page-news .nw-timeline__title {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.42;
  color: var(--c-ink);
}

.page-news .nw-timeline__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--c-deep);
}

.page-news .nw-ind-figure {
  margin: 22px 0 20px;
}

.page-news .nw-ind-figure .yk-figure__media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-news .nw-switch {
  display: grid;
  gap: 14px;
}

.page-news .nw-sec {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-ochre);
  border-radius: var(--radius);
  background: var(--c-glass);
  padding: 16px 16px 18px;
}

.page-news .nw-sec--new {
  border-left-color: var(--c-indigo);
}

.page-news .nw-sec--old {
  border-left-color: var(--c-amber);
}

.page-news .nw-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .nw-sec__title a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-ochre);
  padding-bottom: 1px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .nw-sec__title a:hover {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
}

.page-news .nw-sec__text {
  margin: 0;
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--c-deep);
}

.page-news .nw-sec__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--c-deep);
}

.page-news .nw-log-grid {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-news .nw-log-figure {
  margin: 0;
}

.page-news .nw-log-figure .yk-figure__media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-news .nw-log {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-news .nw-log > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
}

.page-news .nw-log__no {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-ochre);
}

.page-news .nw-log__no small {
  display: block;
  margin-top: 6px;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-deep);
}

.page-news .nw-log__body {
  display: grid;
  gap: 7px;
}

.page-news .nw-log__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-news .nw-tail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news #topic-feed,
.page-news #version-timeline,
.page-news #industry-switch,
.page-news #update-log {
  scroll-margin-top: 120px;
}

@media (min-width: 640px) {
  .page-news .nw-switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .nw-posts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .nw-post--lead {
    grid-column: 1 / -1;
  }

  .page-news .nw-log > li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-news .nw-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.62fr);
    align-items: end;
    gap: 44px;
  }

  .page-news .nw-log-grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .nw-layout {
    grid-template-columns: var(--nw-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .nw-filter {
    position: sticky;
    top: 112px;
  }

  .page-news .nw-filter__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .nw-filter__list li + li {
    margin-top: 6px;
  }

  .page-news .nw-filter__link {
    white-space: normal;
  }
}

@media (min-width: 1024px) {
  .page-news .nw-switch {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nw-post,
  .page-news .nw-filter__link,
  .page-news .nw-timeline > li::after,
  .page-news .nw-timeline__ver,
  .page-news .nw-sec__title a,
  .page-news .yk-crumbs__link {
    transition: none;
  }
}