.page-news {
  --news-rule: rgba(46, 64, 58, 0.72);
  --news-rail-w: 19rem;
  display: block;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.25rem, 5vw, 4rem) 0 clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(160deg, var(--ink-850) 0%, var(--ink-900) 62%);
  border-bottom: 1px solid var(--ink-700);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -32%;
  right: -20%;
  width: min(46rem, 86vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 32% 68%, rgba(0, 230, 118, 0.22), transparent 62%);
  clip-path: polygon(22% 0, 100% 12%, 78% 100%, 0 84%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  display: grid;
  gap: 2.25rem;
}

.page-news .news-hero__title {
  margin: 0.7rem 0 0;
  max-width: 18ch;
  font-size: clamp(2.1rem, 5.6vw, 3.9rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero__title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 4px;
  margin-top: 1.15rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}

.page-news .news-hero__lede {
  margin: 1.25rem 0 0;
  max-width: 58ch;
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(232, 255, 245, 0.78);
}

.page-news .news-hero__side {
  padding-top: 1.1rem;
  border-top: 1px solid var(--ink-600);
}

.page-news .news-hero__side-label {
  margin: 0 0 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
}

.page-news .news-hero__cats {
  display: grid;
  gap: 0.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__cats li {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--news-rule);
  font-size: 0.95rem;
  color: var(--paper);
}

.page-news .news-hero__cats .mono {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 主区布局 ---------- */

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "rail"
    "col";
  row-gap: 2.25rem;
}

.page-news .news-rail {
  grid-area: rail;
}

.page-news .news-layout__col {
  grid-area: col;
  min-width: 0;
}

/* ---------- 筛选栏 ---------- */

.page-news .news-rail__sticky {
  display: grid;
  gap: 0.9rem;
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--ink-850);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-news .filter-btn {
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--ink-600);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-news .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-rail__note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-rail__note a {
  color: var(--cyan);
}

.page-news .news-rail__jump {
  width: fit-content;
  padding-bottom: 0.15rem;
  border-bottom: 1px dashed var(--ink-600);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--brand);
  text-decoration: none;
}

/* ---------- 列表列头 ---------- */

.page-news .news-colhead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--brand);
}

.page-news .news-colhead h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-colhead p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--mist);
}

.page-news .news-feed {
  display: block;
}

/* ---------- 头条条目 ---------- */

.page-news .news-lead {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-lead__media {
  aspect-ratio: 12 / 7;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--ink-700);
}

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-lead__body {
  min-width: 0;
}

.page-news .news-lead__title {
  margin: 0.55rem 0 0.7rem;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.015em;
}

.page-news .news-lead__title a {
  color: var(--paper);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-news .news-lead__title a:hover {
  color: var(--brand);
}

.page-news .news-lead__excerpt {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 普通条目 ---------- */

.page-news .news-items {
  display: grid;
}

.page-news .news-item {
  position: relative;
  padding: 1.3rem 1rem 1.3rem 1.15rem;
  border-bottom: 1px solid var(--news-rule);
  transition: background var(--t-fast);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.3rem;
  bottom: 1.3rem;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), var(--cyan));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t-fast);
}

.page-news .news-item:hover {
  background: rgba(0, 230, 118, 0.05);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 0 0 0.35rem;
}

.page-news .news-item__time {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-item__title {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.48;
}

.page-news .news-item__title a {
  color: var(--paper);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-news .news-item__title a:hover {
  color: var(--brand);
}

.page-news .news-item__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--mist);
  transition: color var(--t-fast);
}

.page-news .news-item:hover .news-item__excerpt {
  color: rgba(232, 255, 245, 0.82);
}

/* ---------- 专题系列 ---------- */

.page-news .news-series__grid {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}

.page-news .news-series__media {
  aspect-ratio: 5 / 3;
  overflow: hidden;
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-news .news-series__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-news .news-series__item {
  padding: 1.2rem 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-series__item:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-series__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 0 0 0.45rem;
}

.page-news .news-series__time {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .news-series__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--paper);
}

.page-news .news-series__item p:last-child {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 数据观察 ---------- */

.page-news .news-observe {
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
}

.page-news .news-observe__inner {
  display: grid;
  gap: 2rem;
}

.page-news .news-observe__media {
  aspect-ratio: 5 / 3;
  overflow: hidden;
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan);
  background: var(--ink-700);
}

.page-news .news-observe__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-observe__body {
  min-width: 0;
}

.page-news .news-observe__lede {
  margin: 0.85rem 0 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.75;
  color: rgba(232, 255, 245, 0.78);
}

.page-news .news-spark {
  display: block;
  width: 100%;
  max-width: 22rem;
  height: auto;
  margin: 1.35rem 0 0.25rem;
}

.page-news .news-spark__grid {
  stroke: var(--ink-600);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.page-news .news-spark__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .news-spark__dot {
  fill: var(--brand);
}

.page-news .news-observe__list {
  display: grid;
  gap: 1.05rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-observe__list li {
  padding-left: 1rem;
  border-left: 2px solid var(--ink-600);
  font-size: 0.92rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-news .news-observe__list strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 版本迭代记录 ---------- */

.page-news .news-log__grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.page-news .news-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.6rem;
  list-style: none;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 0.34rem;
  top: 0.5rem;
  bottom: 1.2rem;
  width: 1px;
  background: linear-gradient(180deg, var(--brand), var(--ink-600) 60%, transparent);
}

.page-news .news-timeline__item {
  position: relative;
  padding-bottom: 1.7rem;
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: -1.6rem;
  top: 0.42rem;
  box-sizing: border-box;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--brand);
}

.page-news .news-timeline__stamp {
  margin: 0 0 0.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .news-timeline__item:first-child .news-timeline__stamp {
  color: var(--orange);
}

.page-news .news-timeline__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--paper);
}

.page-news .news-timeline__item p:last-child {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-news .news-log__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--r-md);
  border-bottom: 3px solid var(--brand);
  background: var(--ink-700);
}

.page-news .news-log__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 赛季节奏 ---------- */

.page-news .news-rhythm {
  background: linear-gradient(135deg, var(--deep-green) 0%, var(--ink-900) 62%);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
}

.page-news .news-rhythm__band {
  display: flex;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-bottom: 1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rhythm__band .data-band__item {
  flex: 1 0 min(17rem, 78vw);
  scroll-snap-align: start;
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 1.15rem;
  background: rgba(8, 12, 10, 0.55);
  border-top: 2px solid var(--brand);
  border-radius: 0 0 var(--r-sm) var(--r-sm);
}

.page-news .news-rhythm__band .data-band__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
}

.page-news .news-rhythm__band .data-band__label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 继续阅读 ---------- */

.page-news .news-next__inner {
  display: grid;
  gap: 2rem;
}

.page-news .news-next__intro p:last-child {
  margin: 0.85rem 0 0;
  max-width: 32ch;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .news-next__links li {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-next__links a {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.6rem;
  row-gap: 0.2rem;
  padding: 1rem 0.25rem;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--t-fast), padding-left var(--t-fast);
}

.page-news .news-next__links a:hover {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.1), transparent 72%);
  padding-left: 0.85rem;
}

.page-news .news-next__idx {
  grid-column: 1;
  grid-row: 1;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .news-next__name {
  grid-column: 2;
  grid-row: 1;
  font-size: 1rem;
  font-weight: 700;
}

.page-news .news-next__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 48rem) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
    gap: 3rem;
  }

  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 60rem) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .news-observe__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3.5rem;
    align-items: center;
  }

  .page-news .news-log__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-news .news-next__inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 3.5rem;
    align-items: start;
  }
}

@media (min-width: 64rem) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) var(--news-rail-w);
    grid-template-areas: "col rail";
    column-gap: 3.25rem;
    row-gap: 0;
  }

  .page-news .news-rail {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

@media (min-width: 80rem) {
  .page-news {
    --news-rail-w: 21rem;
  }

  .page-news .news-hero__lede {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .filter-btn,
  .page-news .news-next__links a,
  .page-news .news-lead__title a,
  .page-news .news-item__title a,
  .page-news .news-item__excerpt {
    transition: none;
  }
}