.page-news {
  --news-gap: clamp(20px, 4vw, 44px);
  --news-sticky-top: 92px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(22px, 5vw, 52px) 0 clamp(22px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(58% 76% at 82% 0%, rgba(124, 250, 74, 0.10), transparent 68%),
    radial-gradient(46% 60% at 6% 100%, rgba(53, 224, 208, 0.07), transparent 70%);
}

.page-news .news-masthead__title {
  margin: 14px 0 16px;
  font-family: var(--font-sans);
  font-size: clamp(30px, 6.4vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-news .news-masthead__title span {
  display: inline-block;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-news .news-masthead__lede {
  max-width: 36em;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-news .news-masthead__meta {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-news .news-masthead__meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .news-masthead__meta .t-mono {
  font-size: 20px;
  font-weight: 500;
  color: var(--neon);
}

/* ---------- 头条区 ---------- */
.page-news .lead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .lead-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-news .lead-story {
  position: relative;
}

.page-news .lead-story--main {
  padding-left: 18px;
  border-left: 2px solid var(--neon);
}

.page-news .lead-story--sub {
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
}

.page-news .lead-story__time {
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .lead-story__time .t-mono {
  font-size: 12px;
  color: var(--ember);
  border: 1px solid rgba(255, 106, 43, 0.42);
  padding: 2px 8px;
  border-radius: 2px;
}

.page-news .lead-story__title {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .lead-story--main .lead-story__title {
  font-size: clamp(24px, 4vw, 38px);
}

.page-news .lead-story--sub .lead-story__title {
  font-size: clamp(18px, 2.4vw, 24px);
}

.page-news .lead-story__desc {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .lead-visual {
  margin: 0;
}

.page-news .lead-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

/* ---------- 条目流：左筛选竖栏 + 右条目 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
}

.page-news .news-filters {
  padding: 14px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filters__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .news-filters__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filters__list .filter-chip {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-news .news-filters__list .filter-chip:hover,
.page-news .news-filters__list .filter-chip:focus-visible {
  border-color: var(--neon);
  color: var(--paper);
  outline: none;
}

.page-news .news-filters__list .filter-chip[aria-pressed="true"] {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--white);
  font-weight: 700;
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
}

.page-news .news-item {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--line);
  transition: padding-left 0.3s var(--ease);
}

.page-news .news-item:first-child {
  border-top: 0;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.34s var(--ease);
}

.page-news .news-item__meta {
  margin: 0 0 9px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-item__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--neon);
  background: rgba(16, 27, 46, 0.92);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 9px;
}

.page-news .news-item__time {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-item__time::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 1px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--line);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-item__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .news-item__title a:hover,
.page-news .news-item__title a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

.page-news .news-item__desc {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (hover: hover) and (min-width: 880px) {
  .page-news .news-item:hover {
    padding-left: 16px;
  }

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

/* ---------- 面板观察 ---------- */
.page-news .panel-focus {
  background: linear-gradient(180deg, rgba(16, 27, 46, 0.72), rgba(11, 12, 16, 0));
  border-top: 1px solid var(--line);
}

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

.page-news .panel-focus__list {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.page-news .panel-focus__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .panel-focus__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

.page-news .panel-focus__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
}

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

/* ---------- 十年交锋系列 ---------- */
.page-news .series {
  position: relative;
  padding-top: clamp(48px, 7vw, 92px);
  background: linear-gradient(180deg, rgba(16, 27, 46, 0.85), rgba(16, 27, 46, 0));
  clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%);
}

.page-news .series__lede {
  max-width: 38em;
  color: var(--muted);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .series__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink);
}

.page-news .series__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.88;
}

.page-news .series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  counter-reset: none;
}

.page-news .series__list::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon), rgba(124, 250, 74, 0));
  opacity: 0.42;
}

.page-news .series__item {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .series__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .series__num {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--neon);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  position: relative;
  z-index: 1;
}

.page-news .series__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .series__desc {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm__card {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--surface), rgba(11, 12, 16, 0.72));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  overflow: hidden;
}

.page-news .rhythm__figure {
  margin: 0;
  position: relative;
  min-height: 190px;
}

.page-news .rhythm__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
  opacity: 0.72;
}

.page-news .rhythm__copy {
  padding: clamp(22px, 3.6vw, 44px);
}

.page-news .rhythm__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm__list li {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .rhythm__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-news .rhythm__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rhythm__note {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .rhythm__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 880px) {
  .page-news .news-body {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 42px);
  }

  .page-news .news-filters {
    padding: 0 clamp(16px, 2.4vw, 30px) 0 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    position: sticky;
    top: var(--news-sticky-top);
    align-self: start;
  }

  .page-news .news-filters__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-news .news-item:first-child {
    border-top: 1px solid var(--line);
    padding-top: 0;
  }
}

@media (min-width: 960px) {
  .page-news .lead-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-news .lead-visual {
    margin-top: -32px;
  }

  .page-news .panel-focus__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-news .panel-focus__figure {
    transform: rotate(-1.5deg);
  }

  .page-news .series__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-news .rhythm__card {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: stretch;
  }
}

@media (min-width: 1180px) {
  .page-news .news-body {
    grid-template-columns: 208px minmax(0, 1fr);
  }

  .page-news .news-stream {
    padding-right: clamp(20px, 3vw, 48px);
  }
}

@media (max-width: 520px) {
  .page-news .rhythm__list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-news .news-masthead__title {
    font-size: clamp(26px, 8.4vw, 34px);
  }
}

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

  .page-news .panel-focus__figure {
    transform: none;
  }
}