.page-news {
  --news-gap: clamp(16px, 3vw, 30px);
  --news-axis: 15px;
}

.page-news .news-hero {
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(28px, 5vw, 60px);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.06;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--slate);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-stat {
  background: var(--panel);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-stat .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 500;
  color: var(--amber);
  line-height: 1;
}

.page-news .news-stat .stat__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--slate);
  letter-spacing: 0.02em;
}

/* ---------- 头条卡片 ---------- */

.page-news .latest-card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-news .latest-card__body {
  padding: clamp(20px, 3.4vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .latest-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-news .latest-card__id {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-news .latest-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .latest-card__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .latest-card__tags,
.page-news .story-card__tags,
.page-news .topic-card .story-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .latest-card__chart {
  margin: 4px 0 0;
  padding: 14px 16px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
}

.page-news .latest-card__chart figcaption {
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--slate);
  font-family: var(--font-mono);
}

.page-news .possession-bars {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
}

.page-news .pb-label {
  fill: var(--slate);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-news .pb-track { fill: var(--line); }
.page-news .pb-a { fill: var(--amber); }
.page-news .pb-b { fill: var(--slate); }

.page-news .latest-card__cta {
  align-self: flex-start;
  margin-top: 4px;
}

.page-news .latest-card__media {
  position: relative;
  margin: 0;
  border-radius: 0;
  min-height: 200px;
}

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

.page-news .latest-card__media .media__badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--amber);
  color: var(--ink);
}

/* ---------- 时间轴 ---------- */

.page-news .news-timeline {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-news .news-timeline__note,
.page-news .news-topics__note,
.page-news .news-cadence__note {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(18px, 3vw, 28px);
}

.page-news .news-filter .filter-input {
  flex: 1 1 260px;
  min-width: 0;
}

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

.page-news .story-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  display: grid;
  gap: var(--news-gap);
}

.page-news .story-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), var(--line) 40%, var(--line));
}

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

.page-news .story-item::before {
  content: "";
  position: absolute;
  left: calc(-30px + 0px);
  top: 24px;
  width: var(--news-axis);
  height: var(--news-axis);
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--amber);
  box-sizing: border-box;
}

.page-news .story-card {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--panel);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .story-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.page-news .story-card__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-news .story-card__time {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .story-card .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .story-card .card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
  max-width: 64ch;
}

.page-news .story-card__id {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-news .story-card__more {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .story-card__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news .story-card__more summary::-webkit-details-marker { display: none; }

.page-news .story-card__more summary::after {
  content: "+";
  font-size: 13px;
  line-height: 1;
}

.page-news .story-card__more[open] summary::after { content: "−"; }

.page-news .story-card__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-news .story-card__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 64ch;
}

.page-news .story-media {
  position: relative;
  margin: 0;
}

.page-news .story-media::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--line);
  border: 1px solid var(--slate);
  box-sizing: border-box;
}

.page-news .story-media .media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-news .story-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-news .story-media figcaption,
.page-news .news-topics__collage figcaption {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
  letter-spacing: 0.02em;
}

/* ---------- 专题系列 ---------- */

.page-news .news-topics {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-news .topic-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 30px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .topic-card {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--panel);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .topic-card__range {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .topic-card .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .topic-card .card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .topic-card--wide {
  padding: 0;
  overflow: hidden;
}

.page-news .topic-card__copy {
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .topic-card__media {
  margin: 0;
  border-radius: 0;
  background: var(--ink);
}

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

.page-news .news-topics__collage {
  margin: clamp(18px, 3vw, 26px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-news .news-topics__collage img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

/* ---------- 更新节奏 ---------- */

.page-news .news-cadence {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-news .cadence {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .cadence__item {
  position: relative;
  padding: 20px 20px 20px 22px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(31, 122, 77, 0.16), transparent 72%);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .cadence__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .cadence__item h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .cadence__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 62ch;
}

/* ---------- 导出 ---------- */

.page-news .news-export {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .news-export__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-news .news-export__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .news-export__copy p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .news-export__copy a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-export__copy a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

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

.page-news .news-export__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-export__list li {
  background: var(--ink);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .news-export__fmt {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .topic-card--wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
  }

  .page-news .topic-card__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 220px;
  }

  .page-news .cadence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-export__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }

  .page-news .latest-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-news .latest-card__body {
    padding: 36px 34px;
  }

  .page-news .latest-card__media {
    min-height: 100%;
  }

  .page-news .story-list {
    padding-left: 72px;
  }

  .page-news .story-list::before {
    left: 7px;
  }

  .page-news .story-item::before {
    left: -72px;
    top: 28px;
  }

  .page-news .story-media::before {
    left: -72px;
  }

  .page-news .story-item:nth-child(3n + 1) {
    width: 88%;
  }

  .page-news .story-item:nth-child(3n + 2) {
    width: 72%;
    margin-left: auto;
  }

  .page-news .story-item:nth-child(3n + 3) {
    width: 80%;
  }

  .page-news .story-media {
    width: 66%;
    margin-left: auto;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .topic-card--wide {
    grid-column: span 2;
  }

  .page-news .news-topics__collage {
    width: 78%;
    margin-left: auto;
  }
}

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