.page-news {
  --news-rail: 272px;
  --news-gap: clamp(1.5rem, 3vw, 2.75rem);
  --news-edge: clamp(1rem, 3.5vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  overflow-wrap: break-word;
}

/* ---------- 页首 ---------- */

.page-news .news-masthead {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(1.5rem, 3vw, 2.25rem);
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--orange) 52%, rgba(255, 140, 66, 0) 92%);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(59, 224, 138, 0.13), rgba(59, 224, 138, 0) 70%);
  pointer-events: none;
}

.page-news .masthead-inner {
  position: relative;
  z-index: 1;
}

.page-news .news-kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}

.page-news .news-kicker::before {
  content: "";
  width: 30px;
  height: 2px;
  background: currentColor;
}

.page-news .news-masthead h1 {
  max-width: 20ch;
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.005em;
  color: var(--paper);
}

.page-news .news-lede {
  max-width: 60ch;
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
  color: var(--silver);
}

.page-news .masthead-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 520px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-news .fact {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem;
  background: var(--ink-900);
}

.page-news .fact-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-news .fact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .news-banner {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  border: 1px solid var(--line);
  background: var(--turf);
  overflow: hidden;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-banner figcaption {
  padding: 0.55rem 0.9rem;
  border-top: 1px solid var(--line);
  background: rgba(11, 20, 32, 0.75);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--mist);
}

@media (min-width: 820px) {
  .page-news .news-banner img {
    aspect-ratio: 16 / 7;
  }
}

/* ---------- 列表与左栏 ---------- */

.page-news .news-board {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .desk {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .desk-rail {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-width: 0;
}

.page-news .desk-stream {
  min-width: 0;
}

.page-news .rail-title {
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-news .rail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rail-tags li {
  margin: 0;
}

.page-news .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(16, 42, 50, 0.55);
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .tag-chip .tag-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .tag-chip.is-active {
  border-color: var(--green);
  background: rgba(59, 224, 138, 0.12);
  color: var(--green);
}

.page-news .tag-chip.is-active .tag-code {
  color: var(--green);
}

.page-news .rail-nodes {
  margin: 0;
  padding: 0 0 0 1rem;
  list-style: none;
  border-left: 1px solid var(--line-strong);
}

.page-news .rail-nodes li {
  position: relative;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--silver);
}

.page-news .rail-nodes li::before {
  content: "";
  position: absolute;
  left: calc(-1rem - 4px);
  top: 0.95rem;
  width: 7px;
  height: 7px;
  background: var(--board);
  border: 1px solid var(--silver);
}

.page-news .rail-nodes li.is-current {
  color: var(--paper);
}

.page-news .rail-nodes li.is-current::before {
  background: var(--green);
  border-color: var(--green);
}

.page-news .node-round {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .rail-nodes li.is-current .node-round {
  color: var(--green);
}

.page-news .rail-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.page-news .rail-nav a {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-decoration: none;
}

.page-news .rail-nav a:hover,
.page-news .rail-nav a[aria-current="true"] {
  color: var(--green);
}

@media (min-width: 900px) {
  .page-news .desk {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .desk-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 1.25rem);
  }

  .page-news .rail-tags {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .tag-chip {
    justify-content: space-between;
    width: 100%;
  }

  .page-news .rail-nav {
    display: flex;
  }
}

/* ---------- 章节标题 ---------- */

.page-news .news-section {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .stream-title,
.page-news .news-h2 {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-news .news-h2 {
  margin-bottom: 0.5rem;
}

.page-news .stream-title::before,
.page-news .news-h2::before {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-news .stream-title::before {
  content: "01";
}

.page-news #series-title::before {
  content: "02";
}

.page-news #log-title::before {
  content: "03";
}

.page-news #contrib-title::before {
  content: "04";
}

.page-news .news-sub {
  max-width: 62ch;
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 条目卡片 ---------- */

.page-news .flow-card {
  position: relative;
  padding: 1.15rem 1.15rem 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--board);
  background: linear-gradient(160deg, rgba(16, 42, 50, 0.85), rgba(11, 20, 32, 0.55));
  transition: border-left-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .flow-card + .flow-card {
  margin-top: 0.9rem;
}

.page-news .flow-card:hover {
  border-left-color: var(--green);
  transform: translateX(3px);
}

.page-news .card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.6rem;
}

.page-news .card-code {
  padding: 1px 6px;
  border: 1px solid rgba(255, 140, 66, 0.38);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .card-read {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .card-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.3vw, 1.3rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .card-summary {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .flow-card--media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .card-thumb {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--turf);
}

.page-news .card-thumb img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

@media (min-width: 620px) {
  .page-news .flow-card--media {
    grid-template-columns: 158px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .flow-card--media .card-thumb img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 1120px) {
  .page-news .flow-card:nth-of-type(even) {
    margin-left: 2.25rem;
  }
}

/* ---------- 专题轨道 ---------- */

.page-news .series-track {
  display: flex;
  gap: 1rem;
  padding: 0 0 0.85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--board) transparent;
}

.page-news .series-card {
  display: flex;
  flex: 0 0 clamp(240px, 76vw, 320px);
  flex-direction: column;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .series-cover {
  position: relative;
  background: var(--turf);
}

.page-news .series-cover img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .series-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--green);
}

.page-news .series-cover .series-no {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 2px 7px;
  border: 1px solid var(--green);
  background: var(--ink-900);
}

.page-news .series-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.9rem 1rem 1.1rem;
}

.page-news .series-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .series-body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .series-meta {
  margin-top: auto;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .series-body .series-no--inline {
  padding-top: 0.1rem;
}

/* ---------- 更新列表 ---------- */

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

.page-news .log-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .log-stage,
.page-news .log-round,
.page-news .log-ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .log-stage {
  grid-column: 1;
}

.page-news .log-round {
  grid-column: 1;
}

.page-news .log-what {
  grid-column: 1 / -1;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--paper);
}

.page-news .log-ver {
  grid-column: 2;
  grid-row: 1;
  text-align: right;
  color: var(--orange);
}

@media (min-width: 760px) {
  .page-news .log-row {
    grid-template-columns: 120px 104px minmax(0, 1fr) 60px;
    align-items: baseline;
    gap: 1rem;
  }

  .page-news .log-stage,
  .page-news .log-round,
  .page-news .log-what,
  .page-news .log-ver {
    grid-column: auto;
    grid-row: auto;
  }
}

/* ---------- 供稿 ---------- */

.page-news .contrib {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

@media (min-width: 900px) {
  .page-news .contrib {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.page-news .contrib-text p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .contrib-text .btn {
  margin-top: 0.5rem;
}

.page-news .contrib-facts {
  padding: 1rem 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--green);
  background: rgba(16, 42, 50, 0.5);
}

.page-news .contrib-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .contrib-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .contrib-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .contrib-key {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-news .contrib-val {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--paper);
}

/* ---------- 无障碍与降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .flow-card,
  .page-news .series-card {
    transition: none;
  }

  .page-news .flow-card:hover {
    transform: none;
  }
}