/* ===== 赛事观察页（page-news） ===== */

.page-news {
  padding-bottom: 64px;
}

.page-news .breadcrumb {
  margin: 24px 0 4px;
}

/* —— 刊头 —— */
.page-news .news-masthead {
  position: relative;
  padding: 26px 0 44px;
  display: grid;
  gap: 16px;
  border-bottom: 1px solid var(--ink-700);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 2px;
  background: var(--cyan);
}

.page-news .news-masthead .display {
  max-width: 18ch;
  margin: 0;
}

.page-news .news-masthead .lede {
  max-width: 60ch;
  margin: 0;
}

.page-news .masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 4px;
}

.page-news .masthead-meta span {
  position: relative;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-news .masthead-meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--ink-700);
}

.page-news .masthead-meta b {
  color: var(--cyan);
  font-weight: 600;
  font-size: 13px;
}

/* —— 区块标题 —— */
.page-news .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}

.page-news .section-head .h2,
.page-news .section-head .lede {
  margin: 0;
}

.page-news .section-head .lede {
  max-width: 62ch;
}

/* —— 三条栏目线 —— */
.page-news .line-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .line-card {
  padding: 1px;
  background: linear-gradient(160deg, rgba(47, 224, 208, 0.5), rgba(34, 49, 94, 0.9) 46%, rgba(17, 30, 68, 0.9));
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-news .line-card--b {
  background: linear-gradient(200deg, rgba(255, 122, 41, 0.45), rgba(34, 49, 94, 0.9) 46%, rgba(17, 30, 68, 0.9));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .line-card--c {
  background: linear-gradient(160deg, rgba(47, 224, 208, 0.32), rgba(34, 49, 94, 0.9) 50%, rgba(17, 30, 68, 0.9));
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-news .line-card__in {
  height: 100%;
  background: var(--ink-800);
  padding: 24px 20px 26px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .line-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .line-card h3 {
  margin: 0;
}

.page-news .line-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .line-card p.line-card__cadence {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--orange-soft);
}

.page-news .line-card p.line-card__who {
  padding-top: 12px;
  border-top: 1px dashed var(--ink-700);
  font-size: 14px;
  color: var(--text-mute);
}

/* —— 本期头条 —— */
.page-news .feature-card {
  display: grid;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  overflow: hidden;
}

.page-news .feature-card__media {
  background: var(--ink-800);
}

.page-news .feature-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-news .feature-card__body {
  display: grid;
  gap: 14px;
  padding: 26px 20px 30px;
  background: linear-gradient(150deg, rgba(47, 224, 208, 0.14), rgba(10, 19, 48, 0) 68%);
}

.page-news .feature-card__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feature-card__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-news .feature-card__body h3 {
  margin: 0;
}

.page-news .feature-card__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .feature-card__jump {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
}

.page-news .feature-card__jump::after {
  content: "→";
  margin-left: 8px;
  transition: transform 0.2s var(--ease);
}

.page-news .feature-card__jump:hover::after,
.page-news .feature-card__jump:focus-visible::after {
  transform: translateX(4px);
}

/* —— 条目导轨 —— */
.page-news .feed-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 18px;
  margin: 0 0 8px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .feed-rail a {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  text-decoration: none;
  background: rgba(34, 49, 94, 0.45);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .feed-rail a span {
  color: var(--orange-soft);
}

.page-news .feed-rail a:hover,
.page-news .feed-rail a:focus-visible {
  background: rgba(47, 224, 208, 0.16);
  color: var(--cyan);
}

.page-news .feed-rail a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* —— 条目时间轴 —— */
.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0 0 0 32px;
  position: relative;
}

.page-news .feed::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--ink-700) 20%, var(--ink-700) 100%);
}

.page-news .feed__item {
  position: relative;
  padding-bottom: 18px;
}

.page-news .feed__item:last-child {
  padding-bottom: 0;
}

.page-news .feed__node {
  position: absolute;
  left: -32px;
  top: 22px;
  width: 15px;
  height: 15px;
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  transform: rotate(45deg);
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease);
  z-index: 1;
}

.page-news .feed__item:hover .feed__node,
.page-news .feed__item:focus-within .feed__node {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .feed__tick {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--text-mute);
}

.page-news .feed__card {
  display: grid;
  gap: 0;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  transition: border-color 0.24s var(--ease);
}

.page-news .feed__item:hover .feed__card,
.page-news .feed__item:focus-within .feed__card {
  border-color: var(--cyan);
}

.page-news .feed__media {
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .feed__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-news .feed__body {
  display: grid;
  gap: 10px;
  padding: 18px 18px 20px;
}

.page-news .feed__body h3,
.page-news .feed__body p {
  margin: 0;
}

.page-news .feed__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .feed__sum {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .feed__item:hover .feed__sum,
.page-news .feed__item:focus-within .feed__sum {
  -webkit-line-clamp: 12;
}

.page-news .feed__more {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
}

.page-news .feed__more::after {
  content: "→";
  margin-left: 8px;
  transition: transform 0.2s var(--ease);
}

.page-news .feed__more:hover::after,
.page-news .feed__more:focus-visible::after {
  transform: translateX(4px);
}

/* 细行条目 */
.page-news .feed__item--tight .feed__card {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-700);
  transition: border-bottom-color 0.24s var(--ease);
}

.page-news .feed__item--tight:hover .feed__card,
.page-news .feed__item--tight:focus-within .feed__card {
  border-bottom-color: var(--cyan);
}

.page-news .feed__item--tight .feed__body {
  gap: 8px;
  padding: 12px 4px 20px;
}

.page-news .feed__item--tight .feed__body h3 {
  font-size: 19px;
}

/* —— 专题档案 —— */
.page-news .archive-grid {
  display: grid;
  gap: 26px;
}

.page-news .archive-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

.page-news .archive-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05);
}

.page-news .archive-body .h2,
.page-news .archive-body .lede {
  margin: 0;
}

.page-news .archive-body .h2 {
  margin-top: 10px;
}

.page-news .archive-body .lede {
  margin-top: 12px;
  margin-bottom: 20px;
  max-width: 54ch;
}

.page-news .archive-item {
  border-top: 1px solid var(--ink-700);
}

.page-news .archive-item:last-child {
  border-bottom: 1px solid var(--ink-700);
}

.page-news .archive-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 16px 2px;
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--cream);
  transition: color 0.2s var(--ease);
}

.page-news .archive-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .archive-item > summary:hover,
.page-news .archive-item > summary:focus-visible {
  color: var(--cyan);
}

.page-news .archive-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .archive-item__label {
  margin-right: auto;
}

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

.page-news .archive-item > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease);
}

.page-news .archive-item[open] > summary::after {
  transform: rotate(-135deg);
}

.page-news .archive-item__body {
  padding: 2px 2px 22px;
}

.page-news .archive-item__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .archive-item__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .archive-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* —— 回看与延续 —— */
.page-news .backtrack {
  padding: 30px 22px 34px;
}

.page-news .backtrack .h2 {
  margin: 10px 0 0;
}

.page-news .backtrack__grid {
  display: grid;
  gap: 24px;
  margin: 24px 0 26px;
}

.page-news .backtrack__col h3 {
  margin: 0 0 8px;
}

.page-news .backtrack__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .backtrack__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--ink-700);
}

/* —— 平板及以上 —— */
@media (min-width: 720px) {
  .page-news .news-masthead {
    padding: 34px 0 52px;
  }

  .page-news .line-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .feed__body {
    padding: 20px 22px 22px;
  }

  .page-news .feed__card--row {
    grid-template-columns: 1fr;
  }

  .page-news .backtrack {
    padding: 38px 34px 40px;
  }

  .page-news .backtrack__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* —— 桌面栅格与时间轴轨道 —— */
@media (min-width: 900px) {
  .page-news .feed {
    padding-left: 118px;
  }

  .page-news .feed::before {
    left: 22px;
    top: 22px;
    bottom: 30px;
  }

  .page-news .feed__node {
    left: -104px;
    top: 28px;
    width: 17px;
    height: 17px;
  }

  .page-news .feed__tick {
    position: absolute;
    left: -118px;
    top: 8px;
    width: 82px;
    margin-bottom: 0;
    text-align: right;
  }

  .page-news .feed__card--row {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  }

  .page-news .feed__card--row .feed__media {
    height: 100%;
  }

  .page-news .feed__card--row .feed__media img {
    height: 100%;
    min-height: 200px;
  }

  .page-news .feature-card {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

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

  .page-news .feature-card__media img {
    height: 100%;
    min-height: 300px;
  }

  .page-news .feature-card__body {
    padding: 40px 40px 42px;
    align-content: start;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 46px;
    align-items: start;
  }
}