.page-news {
  --news-rail: 290px;
  --news-gap: clamp(28px, 4vw, 64px);
  --news-card-hover: #0F4632;
  --news-rule: rgba(20, 87, 60, 0.9);
  position: relative;
  padding-block: clamp(20px, 3vw, 40px) clamp(64px, 9vw, 128px);
  background-color: var(--pitch);
  background-image: repeating-linear-gradient(90deg, rgba(20, 87, 60, 0.14) 0 1px, transparent 1px 84px);
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  padding-top: clamp(6px, 1.6vw, 16px);
}

.page-news .news-masthead {
  margin-top: clamp(24px, 4vw, 44px);
  padding-left: clamp(16px, 2.4vw, 30px);
  border-left: 5px solid var(--red);
  max-width: 64rem;
}

.page-news .news-masthead .h-display {
  margin: 8px 0 0;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-news .news-masthead .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--fg-dim);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--fg-mute);
}

.page-news .news-masthead__meta .num {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-body {
  position: relative;
  margin-top: clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-filter {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

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

.page-news .news-stream {
  display: grid;
  gap: clamp(38px, 5vw, 68px);
}

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

.page-news .news-section + .news-section {
  padding-top: clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line);
}

/* ---------- 左侧栏 ---------- */
.page-news .rail-block + .rail-block {
  margin-top: 26px;
}

.page-news .rail-head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

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

.page-news .news-filter__label {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 10px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: rgba(12, 59, 42, 0.72);
  color: var(--fg-dim);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-filter__label:hover {
  color: var(--fg);
  border-left-color: var(--yellow);
  background: var(--panel);
}

.page-news .news-filter__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-mute);
}

.page-news #nf-all:checked ~ .news-rail .news-filter__label[for="nf-all"],
.page-news #nf-season:checked ~ .news-rail .news-filter__label[for="nf-season"],
.page-news #nf-rule:checked ~ .news-rail .news-filter__label[for="nf-rule"],
.page-news #nf-zone:checked ~ .news-rail .news-filter__label[for="nf-zone"],
.page-news #nf-update:checked ~ .news-rail .news-filter__label[for="nf-update"] {
  color: #FFFFFF;
  background: var(--panel);
  border-color: var(--line);
  border-left-color: var(--red);
}

.page-news #nf-all:checked ~ .news-rail .news-filter__label[for="nf-all"] .news-filter__count,
.page-news #nf-season:checked ~ .news-rail .news-filter__label[for="nf-season"] .news-filter__count,
.page-news #nf-rule:checked ~ .news-rail .news-filter__label[for="nf-rule"] .news-filter__count,
.page-news #nf-zone:checked ~ .news-rail .news-filter__label[for="nf-zone"] .news-filter__count,
.page-news #nf-update:checked ~ .news-rail .news-filter__label[for="nf-update"] .news-filter__count {
  color: var(--yellow);
}

/* 纯 CSS 筛选 */
.page-news #nf-season:checked ~ .news-stream .r-card:not(.is-season),
.page-news #nf-rule:checked ~ .news-stream .r-card:not(.is-rule),
.page-news #nf-zone:checked ~ .news-stream .r-card:not(.is-zone),
.page-news #nf-update:checked ~ .news-stream .r-card:not(.is-update) {
  display: none;
}

.page-news .series-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .series-nav a {
  position: relative;
  display: block;
  padding: 9px 0 9px 18px;
  border-left: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .series-nav a::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--line);
  transform: translateY(-50%) rotate(45deg);
  transition: background-color var(--dur) var(--ease);
}

.page-news .series-nav a:hover,
.page-news .series-nav a[aria-current="true"] {
  color: var(--yellow);
  border-left-color: var(--yellow);
}

.page-news .series-nav a:hover::before,
.page-news .series-nav a[aria-current="true"]::before {
  background: var(--yellow);
}

/* ---------- 本期焦点 ---------- */
.page-news .focus-card {
  position: relative;
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-news .focus-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 92px;
  height: 4px;
  background: var(--red);
  z-index: 2;
}

.page-news .focus-card__media {
  margin: 0;
  position: relative;
  background: var(--blue);
}

.page-news .focus-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .focus-card__body {
  padding: clamp(20px, 3vw, 34px);
}

.page-news .focus-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 14px;
}

.page-news .focus-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
}

.page-news .focus-card__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.35;
  font-weight: 900;
  color: var(--fg);
  max-width: 26ch;
}

.page-news .focus-card__body > p {
  margin: 0;
  max-width: 66ch;
  color: var(--fg-dim);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .focus-card__points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-news .focus-card__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.7;
}

.page-news .focus-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 报告卡片流 ---------- */
.page-news .report-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
  background-image: repeating-linear-gradient(
    -58deg,
    var(--news-rule) 0 1px,
    transparent 1px 10px
  );
}

.page-news .r-card {
  position: relative;
  padding: 24px 84px 24px 30px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: var(--panel);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .r-card::before {
  content: "";
  position: absolute;
  left: -3px;
  top: -1px;
  bottom: -1px;
  width: 3px;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: transform var(--dur) var(--ease);
}

.page-news .r-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  background: var(--pitch);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-news .r-card:hover {
  transform: translateY(-3px);
  background: var(--news-card-hover);
  border-color: var(--bright);
}

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

.page-news .r-card__no {
  position: absolute;
  top: 26px;
  right: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fg-mute);
}

.page-news .r-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 11px;
}

.page-news .r-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
}

.page-news .r-card__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 800;
  line-height: 1.45;
  color: var(--fg);
  max-width: 44ch;
}

.page-news .r-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 64ch;
}

.page-news .r-card--media {
  padding-right: 30px;
  display: grid;
  gap: 20px;
}

.page-news .r-card--media .r-card__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--blue);
}

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

/* ---------- 常设栏目 ---------- */
.page-news .cols-split {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .column-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-news .column-item__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--yellow);
  border: 1px solid currentColor;
  background: rgba(12, 59, 42, 0.7);
}

.page-news .column-item--rule .column-item__mark {
  color: var(--red);
}

.page-news .column-item--zone .column-item__mark {
  color: var(--cyan);
}

.page-news .column-item--update .column-item__mark {
  color: var(--bright);
}

.page-news .column-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--fg);
}

.page-news .column-item p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 60ch;
}

.page-news .column-item__freq {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
}

.page-news .cols-visual {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--blue);
}

.page-news .cols-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .cols-visual figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fg-dim);
  border-top: 1px solid var(--line);
}

/* ---------- 系列时间轴 ---------- */
.page-news .series-track {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
}

.page-news .series-track__item {
  position: relative;
  padding: 22px 0 22px 30px;
  border-left: 2px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-news .series-track__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--pitch);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .series-track__item:hover {
  border-left-color: var(--cyan);
}

.page-news .series-track__when {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yellow);
}

.page-news .series-track__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--fg);
}

.page-news .series-track__desc {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 62ch;
}

.page-news .series-track__more {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-mute);
}

/* ---------- 线索与选题 ---------- */
.page-news .submit-panel {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 26px;
  padding: clamp(24px, 3.4vw, 38px);
  background: var(--blue);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-news .submit-panel h2 {
  margin: 6px 0 12px;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  color: var(--fg);
}

.page-news .submit-panel p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-dim);
}

.page-news .submit-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .r-card--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 290px);
    align-items: center;
    padding-right: 34px;
  }

  .page-news .r-card--media::after {
    width: 32px;
    height: 32px;
  }
}

@media (min-width: 820px) {
  .page-news .cols-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }

  .page-news .submit-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .submit-panel__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 176px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-news .filter-set {
    flex-direction: column;
  }

  .page-news .news-filter__label {
    flex: 0 0 auto;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .page-news .r-card {
    padding: 22px 62px 22px 20px;
  }

  .page-news .r-card__no {
    top: 22px;
    right: 22px;
  }

  .page-news .news-masthead {
    border-left-width: 4px;
  }
}
<<<END>>>