.page-news {
  --cat-observe: var(--accent);
  --cat-version: var(--violet);
  --cat-method: var(--amber);
  --cat-quarter: var(--magenta);
  --news-measure: 1240px;
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 96px);
}

.page-news .breadcrumb {
  padding-top: clamp(96px, 13vw, 148px);
}

.page-news .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(22px, 3.5vw, 40px);
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-news .news-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: clamp(12px, 1.8vw, 20px) 0 clamp(16px, 2.4vw, 26px);
  max-width: 20ch;
}

.page-news .news-hero__lede {
  max-width: 68ch;
  color: var(--text-dim);
  font-size: clamp(15.5px, 1.15vw, 17px);
  line-height: 1.8;
  margin: 0;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3.6vw, 56px);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 16px;
  border-left: 2px solid var(--accent-dim);
  min-width: 0;
}

.page-news .news-hero__stats .num {
  color: var(--text);
  line-height: 1;
}

.page-news .news-hero__stats .label {
  color: var(--text-dim);
}

/* ---------- 区块节奏 ---------- */
.page-news .news-block {
  padding-block: clamp(44px, 6.4vw, 88px);
}

.page-news .section__head {
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-news .section__head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 10px 0 12px;
  max-width: 24ch;
}

.page-news .section__head .lede {
  color: var(--text-dim);
  max-width: 64ch;
  margin: 0;
  line-height: 1.8;
}

/* ---------- 专栏定位 ---------- */
.page-news .col-portrait {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  padding: clamp(28px, 4.6vw, 68px);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}

.page-news .col-portrait__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-news .col-portrait__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  -webkit-mask-image: linear-gradient(102deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.3) 46%, rgba(0, 0, 0, 0) 80%);
  mask-image: linear-gradient(102deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.3) 46%, rgba(0, 0, 0, 0) 80%);
}

.page-news .col-portrait__inner {
  position: relative;
  z-index: 1;
  max-width: 62ch;
}

.page-news .col-portrait__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 2.8vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 12px 0 clamp(16px, 2.2vw, 24px);
}

.page-news .col-portrait__inner p {
  color: var(--text-dim);
  font-size: clamp(15px, 1.1vw, 16.5px);
  line-height: 1.85;
  margin: 0 0 14px;
}

.page-news .col-portrait__inner p:last-child {
  margin-bottom: 0;
  color: var(--text);
}

/* ---------- 分类导航 ---------- */
.page-news .cat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-news .cat-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.page-news .cat-card:hover,
.page-news .cat-card:focus-visible {
  background: var(--panel-2);
}

.page-news .cat-card:hover .cat-dot {
  transform: scale(1.5);
}

.page-news .cat-card__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 1.5vw, 20px);
  letter-spacing: -0.01em;
}

.page-news .cat-card__count {
  font-size: clamp(26px, 2.6vw, 36px);
  color: var(--text);
  line-height: 1;
}

.page-news .cat-card__meta {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .cat-dot {
  display: inline-block;
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transition: transform 0.22s ease;
}

.page-news .cat-dot--observe {
  background: var(--cat-observe);
  box-shadow: 0 0 0 3px rgba(41, 242, 184, 0.14);
}

.page-news .cat-dot--version {
  background: var(--cat-version);
  box-shadow: 0 0 0 3px rgba(109, 124, 255, 0.16);
}

.page-news .cat-dot--method {
  background: var(--cat-method);
  box-shadow: 0 0 0 3px rgba(255, 176, 58, 0.16);
}

.page-news .cat-dot--quarter {
  background: var(--cat-quarter);
  box-shadow: 0 0 0 3px rgba(255, 61, 127, 0.16);
}

/* ---------- 最新条目 ---------- */
.page-news .news-visual {
  margin: 0 0 clamp(28px, 4vw, 48px);
}

.page-news .news-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(1.04);
}

.page-news .news-stream {
  max-width: var(--news-measure);
}

.page-news .entry {
  padding-block: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--line-soft);
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .entry__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.page-news .entry__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--text-dim);
}

.page-news .entry__tag--observe {
  color: var(--cat-observe);
  border-color: rgba(41, 242, 184, 0.34);
}

.page-news .entry__tag--version {
  color: var(--cat-version);
  border-color: rgba(109, 124, 255, 0.42);
}

.page-news .entry__tag--method {
  color: var(--cat-method);
  border-color: rgba(255, 176, 58, 0.36);
}

.page-news .entry__tag--quarter {
  color: var(--cat-quarter);
  border-color: rgba(255, 61, 127, 0.38);
}

.page-news .entry__time {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .entry__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18.5px, 1.9vw, 23px);
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 12px 0 0;
}

.page-news .entry__excerpt {
  color: var(--text-dim);
  font-size: clamp(14.5px, 1.05vw, 16px);
  line-height: 1.85;
  max-width: 68ch;
  margin: 10px 0 0;
}

.page-news .entry__metrics {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}

.page-news .entry__metrics li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .entry__metrics .mono {
  color: var(--text);
  font-size: 15px;
}

/* 编辑推荐：更宽的一列 */
.page-news .entry--feature {
  border-top: 2px solid var(--accent-dim);
  padding-top: clamp(26px, 3.4vw, 42px);
  padding-bottom: clamp(30px, 4vw, 52px);
}

.page-news .entry--feature .entry__title {
  font-size: clamp(21px, 2.4vw, 30px);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: background-color 0.24s ease, box-shadow 0.24s ease;
}

.page-news .series-card:hover {
  background: var(--panel-2);
  box-shadow: inset 0 0 0 1px var(--accent-dim);
}

.page-news .series-card__media {
  margin: 0 0 4px;
}

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

.page-news .series-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
}

.page-news .series-card__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.page-news .series-card__text {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
  flex: 1 1 auto;
}

.page-news .series-card__count {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-news .series-card__count .num {
  color: var(--accent);
  font-size: 17px;
}

.page-news .series-card .label {
  color: var(--text-dim);
}

/* ---------- 季度摘要 ---------- */
.page-news .quarter-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-news .quarter-split__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 2.8vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 12px 0 clamp(14px, 2vw, 20px);
  max-width: 22ch;
}

.page-news .quarter-split__body p {
  color: var(--text-dim);
  font-size: clamp(15px, 1.1vw, 16.5px);
  line-height: 1.85;
  margin: 0;
  max-width: 60ch;
}

.page-news .quarter-list {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .quarter-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.7;
}

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

.page-news .quarter-list .cat-dot {
  margin-top: 7px;
}

.page-news .quarter-split__cta {
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-news .quarter-split__media {
  position: relative;
}

.page-news .quarter-split__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  clip-path: polygon(0 22px, 22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

/* ---------- 怎么用起来 ---------- */
.page-news .howto-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: howto;
  max-width: var(--news-measure);
}

.page-news .howto-list li {
  counter-increment: howto;
  position: relative;
  padding: clamp(20px, 2.6vw, 30px) 0 clamp(20px, 2.6vw, 30px) clamp(46px, 5vw, 76px);
  border-top: 1px solid var(--line-soft);
}

.page-news .howto-list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .howto-list li::before {
  content: "0" counter(howto);
  position: absolute;
  left: 0;
  top: clamp(22px, 2.8vw, 32px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent);
  line-height: 1;
}

.page-news .howto-list__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16.5px, 1.5vw, 19px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 8px;
}

.page-news .howto-list li p {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
  max-width: 62ch;
}

.page-news .howto-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 3.6vw, 44px);
}

.page-news .howto-links a {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.05em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-news .howto-links a:hover,
.page-news .howto-links a:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-stream .entry:nth-child(n + 5) {
    padding-left: clamp(18px, 3vw, 46px);
  }

  .page-news .news-stream .entry:nth-child(n + 9) {
    padding-left: clamp(34px, 6vw, 92px);
  }

  .page-news .news-stream .entry:nth-child(n + 13) {
    padding-left: clamp(50px, 9vw, 138px);
  }

  .page-news .entry--feature {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    grid-template-areas:
      "meta meta"
      "title excerpt"
      "title metrics";
    column-gap: clamp(24px, 4vw, 60px);
    align-content: start;
  }

  .page-news .entry--feature .entry__meta {
    grid-area: meta;
  }

  .page-news .entry--feature .entry__title {
    grid-area: title;
    margin-top: 20px;
    padding-right: clamp(8px, 2vw, 28px);
  }

  .page-news .entry--feature .entry__excerpt {
    grid-area: excerpt;
    margin-top: 20px;
    max-width: none;
  }

  .page-news .entry--feature .entry__metrics {
    grid-area: metrics;
    margin-top: 20px;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .page-news .series-card--lead {
    grid-row: 1 / span 2;
  }

  .page-news .series-card--lead .series-card__media img {
    max-height: 320px;
  }

  .page-news .quarter-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-news .news-visual img {
    max-height: 440px;
  }

  .page-news .quarter-split__media img {
    max-width: 520px;
    margin-left: auto;
  }
}

@media (max-width: 480px) {
  .page-news .news-hero__stats {
    gap: 18px;
  }

  .page-news .news-hero__stats li {
    flex: 1 1 40%;
  }

  .page-news .entry__metrics {
    gap: 12px 20px;
  }

  .page-news .howto-links a {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-card,
  .page-news .cat-dot,
  .page-news .series-card,
  .page-news .howto-links a {
    transition: none;
  }

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