.page-news {
  --news-gap: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(40px, 7vw, 96px);
  overflow-x: clip;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  padding: clamp(16px, 3vw, 28px) 0 clamp(6px, 1.2vw, 12px);
  font-size: 13px;
}

/* ---------- 章节标题组 ---------- */
.page-news .section-head {
  margin-bottom: clamp(20px, 3.5vw, 36px);
  max-width: 76ch;
}

.page-news .section-head__note {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.news-hero {
  position: relative;
  padding: clamp(18px, 3.5vw, 36px) 0 clamp(32px, 6vw, 72px);
  border-bottom: var(--border);
  background:
    radial-gradient(circle at 84% 16%, rgba(57, 224, 208, 0.11), transparent 46%),
    radial-gradient(circle at 10% 88%, rgba(242, 193, 78, 0.08), transparent 52%);
}

.news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--warm);
  margin: 10px 0 0;
  max-width: 24ch;
}

.news-hero__lead {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.news-hero__facts {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--orbit);
  border: var(--border);
}

.news-hero__facts li {
  background: var(--panel);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.news-hero__facts strong {
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.1;
  color: var(--gold);
  font-weight: 700;
}

.news-hero__facts span {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist);
}

@media (min-width: 640px) {
  .news-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 本轮专题 ---------- */
.topic-feature {
  padding: clamp(36px, 7vw, 80px) 0;
}

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

@media (min-width: 900px) {
  .topic-feature__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 40px);
  }
}

.feature-card {
  display: flex;
  flex-direction: column;
  border: var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.feature-card:hover,
.feature-card:focus-within {
  border-color: var(--gold);
  transform: translate(-2px, -2px);
}

.page-news .feature-card__media {
  margin: 0;
  overflow: hidden;
  border-bottom: 2px solid var(--orbit);
}

.page-news .feature-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-card__body {
  padding: clamp(18px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.feature-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12.5px;
  color: var(--mist);
}

.feature-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.32;
  font-weight: 800;
  color: var(--warm);
}

.feature-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--warm-soft);
}

.feature-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  padding-bottom: 3px;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}

.feature-card__link:hover,
.feature-card__link:focus-visible {
  background-size: 100% 1px;
  color: var(--warm);
}

/* ---------- 专家专栏条目流 ---------- */
.column-stream {
  padding: clamp(36px, 7vw, 80px) 0;
  border-top: var(--border);
}

.stream-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 1024px) {
  .stream-layout {
    grid-template-columns: minmax(0, 1fr) minmax(256px, 312px);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

/* 分类芯片 */
.chip-bar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.chip-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 600;
  color: var(--mist);
  border: 1px solid var(--orbit);
  border-radius: var(--radius);
  background: var(--panel);
  cursor: pointer;
  user-select: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.chip:hover {
  color: var(--warm);
  border-color: var(--mist);
}

.chip .mono {
  font-size: 12px;
  opacity: 0.85;
}

.chip-input:checked + .chip {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--void);
}

.chip-input:focus-visible + .chip {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news:has(#nf-league:checked) .entry:not(.entry--league),
.page-news:has(#nf-cup:checked) .entry:not(.entry--cup),
.page-news:has(#nf-form:checked) .entry:not(.entry--form) {
  display: none;
}

/* 条目列表 */
.entry-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--orbit);
}

.entry {
  position: relative;
  padding: clamp(16px, 2.6vw, 24px) 0 clamp(16px, 2.6vw, 24px) clamp(30px, 4vw, 48px);
  border-bottom: 1px solid var(--orbit);
  transition: background-color var(--dur) var(--ease);
}

.entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(20px, 3vw, 28px);
  width: 4px;
  height: 22px;
  background: var(--orbit);
  transition: background-color var(--dur) var(--ease), height var(--dur) var(--ease);
}

.entry:hover::before,
.entry:focus-within::before {
  background: var(--gold);
  height: 42px;
}

.entry__round {
  margin: 0 0 7px;
  font-size: 12.5px;
  letter-spacing: 0.07em;
  color: var(--cyan);
}

.entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--warm);
  text-decoration: underline transparent 2px;
  text-underline-offset: 6px;
  transition: text-decoration-color var(--dur) var(--ease);
}

.entry:hover .entry__title {
  text-decoration-color: var(--gold);
}

.entry__meta {
  margin: 0 0 9px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.entry__summary {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--warm-soft);
}

/* 侧栏 */
.stream-aside {
  border: var(--border);
  background: var(--panel);
  padding: clamp(16px, 2.5vw, 22px);
  box-shadow: var(--shadow);
}

.stream-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--gold);
}

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

.stream-aside__text {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.stream-aside__jump {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.stream-aside__jump a {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.stream-aside__jump a:hover,
.stream-aside__jump a:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--gold);
}

@media (min-width: 1024px) {
  .stream-aside {
    position: sticky;
    top: 24px;
  }
}

/* ---------- 版本时间轴 ---------- */
.version-band {
  padding: clamp(40px, 7vw, 88px) 0;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--cyan) 55%, var(--orbit));
}

.timeline__item {
  position: relative;
  padding: 0 0 clamp(26px, 4vw, 42px) clamp(34px, 5vw, 52px);
}

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

.timeline__node {
  position: absolute;
  left: 0;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--orbit);
  background: var(--void);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.timeline__item:hover .timeline__node,
.timeline__item:focus-within .timeline__node {
  border-color: var(--gold);
  box-shadow: 0 0 0 6px rgba(242, 193, 78, 0.16);
}

.timeline__item--current .timeline__node {
  background: var(--gold);
  border-color: var(--gold);
}

.timeline__ver {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.timeline__title {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--warm);
}

.timeline__text {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--warm-soft);
}

.timeline__scope {
  margin: 11px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 按专题浏览 ---------- */
.topic-browse {
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: var(--border);
}

.page-news .browse-media {
  margin: 0 0 clamp(22px, 4vw, 36px);
  overflow: hidden;
  border: var(--border);
}

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

.browse-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.5vw, 24px);
}

@media (min-width: 700px) {
  .browse-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .browse-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.browse-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 3vw, 24px);
  border: var(--border);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.browse-card:hover,
.browse-card:focus-within {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.browse-card__num {
  margin: 0;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  font-weight: 700;
  color: var(--gold);
}

.browse-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.browse-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--warm);
}

.browse-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.browse-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 224, 208, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.browse-card__link:hover,
.browse-card__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 阅读建议 ---------- */
.reading-guide {
  padding: clamp(40px, 7vw, 88px) 0 clamp(20px, 4vw, 40px);
  border-top: var(--border);
}

.guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
}

@media (min-width: 960px) {
  .guide-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(28px, 5vw, 64px);
  }
}

.guide-body {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.5vw, 24px);
}

.guide-item {
  border-left: 3px solid var(--gold);
  padding-left: clamp(14px, 2vw, 20px);
}

.guide-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--warm);
}

.guide-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--warm-soft);
}

.guide-extend {
  grid-column: 1 / -1;
  margin: clamp(16px, 3vw, 26px) 0 0;
  padding-top: clamp(16px, 2.5vw, 22px);
  border-top: 1px dashed var(--orbit);
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 84ch;
}

.guide-extend a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 224, 208, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.guide-extend a:hover,
.guide-extend a:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--gold);
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 480px) {
  .chip {
    padding: 6px 10px;
    font-size: 12.5px;
  }

  .entry {
    padding-left: 22px;
  }

  .timeline__item {
    padding-left: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .feature-card:hover,
  .feature-card:focus-within,
  .browse-card:hover,
  .browse-card:focus-within {
    transform: none;
  }
}