/* ==========================================================
   赛场观察 / page-news
   页面作用域：.page-news
   ========================================================== */

.page-news {
  --news-rail-w: 186px;
  --news-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
  display: block;
  padding-bottom: 84px;
  color: var(--c-warm);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 页头 ---------- */

.page-news .bk-crumbs {
  padding-top: 18px;
}

.page-news .news-masthead {
  padding: 16px 0 30px;
  border-bottom: 1px solid var(--edge-soft);
}

.page-news .news-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-cyan);
}

.page-news .news-masthead h1 {
  max-width: 22ch;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-warm);
  text-wrap: balance;
}

.page-news .news-lead {
  max-width: 66ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-muted);
}

/* ---------- 首屏数字带 ---------- */

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--edge-soft);
  border: 1px solid var(--edge-soft);
}

.page-news .news-facts li {
  padding: 15px 16px 17px;
  background: var(--c-stand);
}

.page-news .news-fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 27px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-orange);
}

.page-news .news-fact-unit {
  font-size: 16px;
  margin-left: 1px;
}

.page-news .news-fact-label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--c-line);
}

/* ---------- 首屏通栏图 ---------- */

.page-news .news-hero {
  position: relative;
  margin: 32px 0 0;
  overflow: hidden;
  background: var(--c-stand);
  border: 1px solid var(--edge-soft);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

.page-news .news-hero figcaption {
  padding: 12px 18px 14px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  background: linear-gradient(180deg, rgba(7, 11, 18, 0.2), rgba(7, 11, 18, 0.85));
}

/* ---------- 主体骨架 ---------- */

.page-news .news-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  margin-top: 44px;
}

.page-news .news-rail {
  padding: 16px 14px 14px;
  background: var(--c-stand);
  border: 1px solid var(--edge-soft);
  border-top: 3px solid var(--c-orange);
}

.page-news .news-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-line);
}

.page-news .news-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail-list li {
  flex: 0 0 auto;
}

.page-news .news-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--c-muted);
  text-decoration: none;
  background: var(--c-panel);
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-rail-list a .bk-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--c-line);
  transition: color var(--dur) var(--ease);
}

.page-news .news-rail-list a:hover,
.page-news .news-rail-list a:focus-visible {
  color: var(--c-warm);
  border-bottom-color: var(--c-orange);
}

.page-news .news-rail-list a:hover .bk-num,
.page-news .news-rail-list a:focus-visible .bk-num {
  color: var(--c-orange);
}

.page-news .news-rail-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-line);
}

.page-news .news-main {
  display: block;
  min-width: 0;
}

/* ---------- 章节通用 ---------- */

.page-news .news-sec {
  margin-bottom: 56px;
}

.page-news .news-sec:last-child {
  margin-bottom: 0;
}

.page-news .news-sec-head {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--edge-soft);
}

.page-news .news-sec-idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
}

.page-news .news-sec-head h2,
.page-news .news-rhythm h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-warm);
}

.page-news .news-sec-head p {
  max-width: 62ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

/* ---------- 内容条目 ---------- */

.page-news .news-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-item {
  position: relative;
  padding: 18px 20px 16px 24px;
  background: var(--c-panel);
  border: 1px solid var(--edge-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--c-line);
}

.page-news .news-item--forecast::before {
  background: var(--c-orange);
}

.page-news .news-item--review::before {
  background: var(--c-cyan);
}

.page-news .news-item--note::before {
  background: var(--c-amber);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--c-stand);
  border-color: var(--edge);
}

.page-news .news-item-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--c-night);
  background: var(--c-orange);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}

.page-news .news-item--review .news-item-tag {
  background: var(--c-cyan);
}

.page-news .news-item--note .news-item-tag {
  background: var(--c-amber);
}

.page-news .news-item--notice .news-item-tag {
  color: var(--c-warm);
  background: var(--c-line);
}

.page-news .news-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--c-warm);
}

.page-news .news-item-sum {
  display: -webkit-box;
  margin: 0 0 12px;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-line);
}

.page-news .news-item-meta span {
  position: relative;
}

.page-news .news-item-meta span + span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -10px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c-line);
  transform: translateY(-50%);
}

/* ---------- 专题横幅 ---------- */

.page-news .news-feature {
  position: relative;
  margin-bottom: 56px;
  padding: 26px 22px 24px;
  background:
    linear-gradient(155deg, var(--c-deep) 0%, var(--c-stand) 42%, var(--c-stand) 100%);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--c-cyan);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  box-shadow: var(--news-shadow);
}

.page-news .news-feature::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-soft));
}

.page-news .news-feature-text {
  position: relative;
  z-index: 1;
}

.page-news .news-feature-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

.page-news .news-feature-text h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.2vw, 30px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--c-warm);
}

.page-news .news-feature-text p {
  max-width: 60ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-news .news-feature-media {
  position: relative;
  margin: 20px 0 0;
  overflow: hidden;
  border: 1px solid var(--edge-soft);
}

.page-news .news-feature-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.08);
}

/* ---------- 折叠面板 ---------- */

.page-news .news-folds {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.page-news .news-fold {
  background: rgba(7, 11, 18, 0.42);
  border: 1px solid var(--edge-soft);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-fold[data-open="true"] {
  border-color: var(--cyan-soft);
}

.page-news .news-fold-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  color: var(--c-warm);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-fold-head:hover,
.page-news .news-fold-head:focus-visible {
  color: var(--c-cyan);
  background: rgba(35, 224, 200, 0.05);
}

.page-news .news-fold-title {
  color: inherit;
}

.page-news .news-fold-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-line);
}

.page-news .news-fold-body {
  padding: 0 16px 16px;
}

.page-news .news-fold-body p {
  max-width: 64ch;
  margin: 0;
  padding-top: 12px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-muted);
  border-top: 1px solid var(--edge-soft);
}

/* 无脚本时的兜底：未被脚本接管前保持首条可见 */
.page-news .news-fold .news-fold-body {
  display: none;
}

.page-news .news-fold[data-open="true"] .news-fold-body {
  display: block;
}

/* ---------- 图文分栏（数据笔记 / 看台公告） ---------- */

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

.page-news .news-side-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--edge-soft);
}

.page-news .news-side-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(0.84) contrast(1.06);
}

.page-news .news-side-media figcaption {
  padding: 10px 14px 12px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-muted);
  background: rgba(7, 11, 18, 0.7);
}

/* ---------- 节奏与规模 ---------- */

.page-news .news-rhythm {
  margin-bottom: 56px;
  padding: 26px 22px 24px;
  background: var(--c-stand);
  border: 1px solid var(--edge-soft);
  border-bottom: 3px solid var(--c-orange);
}

.page-news .news-rhythm > p {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-news .news-rhythm-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--edge-soft);
}

.page-news .news-rhythm-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 16px 18px;
  background: var(--c-panel);
}

.page-news .news-rhythm-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-cyan);
}

.page-news .news-rhythm-body strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-warm);
}

.page-news .news-rhythm-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 热门阅读 ---------- */

.page-news .news-hot {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hot-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 16px;
  align-items: start;
  padding: 16px 18px 14px;
  background: var(--c-panel);
  border: 1px solid var(--edge-soft);
}

.page-news .news-hot-rank {
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-orange);
}

.page-news .news-hot-body {
  grid-row: 1;
  min-width: 0;
}

.page-news .news-hot-body h3 {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-warm);
}

.page-news .news-hot-body p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-line);
}

.page-news .news-hot-bar {
  grid-column: 1 / -1;
  grid-row: 2;
  display: block;
  height: 3px;
  margin-top: 8px;
  background: var(--cyan-soft);
  transition: width var(--dur) var(--ease);
}

.page-news .news-hot-item--1 .news-hot-bar {
  width: 100%;
}

.page-news .news-hot-item--2 .news-hot-bar {
  width: 74%;
}

.page-news .news-hot-item--3 .news-hot-bar {
  width: 58%;
}

/* ---------- 去向列表 ---------- */

.page-news .news-path-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-path-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 18px;
  text-decoration: none;
  background: var(--c-panel);
  border: 1px solid var(--edge-soft);
  border-left: 3px solid var(--c-line);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-news .news-path-list a:hover,
.page-news .news-path-list a:focus-visible {
  background: var(--c-stand);
  border-left-color: var(--c-orange);
  transform: translateX(2px);
}

.page-news .news-path-idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-line);
}

.page-news .news-path-name {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-warm);
}

.page-news .news-path-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ==========================================================
   断点
   ========================================================== */

@media (min-width: 640px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-news .news-hot-item {
    grid-template-columns: minmax(0, 1fr) 132px;
  }

  .page-news .news-hot-bar {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news {
    padding-bottom: 104px;
  }

  .page-news .news-masthead {
    padding-top: 22px;
  }

  .page-news .news-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 26px;
    align-items: start;
  }

  .page-news .news-split--flip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-split--flip .news-side-media {
    order: 2;
  }

  .page-news .news-side-media img {
    aspect-ratio: 4 / 5;
  }

  .page-news .news-feature {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    grid-template-areas:
      "text media"
      "folds folds";
    column-gap: 34px;
    padding: 32px 30px 28px;
  }

  .page-news .news-feature-text {
    grid-area: text;
  }

  .page-news .news-feature-media {
    grid-area: media;
    margin-top: 4px;
  }

  .page-news .news-folds {
    grid-area: folds;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
  }

  .page-news .news-feature-text h2 {
    font-size: 30px;
  }

  .page-news .news-rhythm {
    padding: 32px 30px 30px;
  }

  .page-news .news-hot-item {
    grid-template-columns: minmax(0, 1fr) 180px;
  }
}

@media (min-width: 1040px) {
  .page-news .news-board {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    column-gap: 46px;
    row-gap: 0;
  }

  .page-news .news-rail {
    grid-column: 1;
    grid-row: 1 / span 20;
    align-self: start;
    position: sticky;
    top: calc(var(--quickbar-h) + 20px);
    padding: 18px 14px 16px;
  }

  .page-news .news-rail-list {
    display: grid;
    gap: 3px;
    padding: 0;
    overflow: visible;
  }

  .page-news .news-rail-list a {
    justify-content: flex-start;
    padding: 9px 10px;
    background: transparent;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-news .news-rail-list a:hover,
  .page-news .news-rail-list a:focus-visible {
    border-left-color: var(--c-orange);
    background: var(--c-panel);
  }

  .page-news .news-main {
    grid-column: 2;
  }

  .page-news .news-rhythm-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-path-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-news .news-masthead h1 {
    max-width: 18ch;
  }

  .page-news .news-feature {
    padding: 38px 38px 32px;
  }
}

/* ---------- 动效 ---------- */

@media (prefers-reduced-motion: no-preference) {
  .page-news .news-masthead.bk-reveal,
  .page-news .news-sec.bk-reveal,
  .page-news .news-feature.bk-reveal,
  .page-news .news-rhythm.bk-reveal,
  .page-news .news-path.bk-reveal {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
    transition: opacity 300ms var(--ease), transform 300ms var(--ease);
  }

  .page-news .bk-reveal.is-in {
    opacity: 1;
    transform: none;
  }

  .page-news .news-item,
  .page-news .news-hot-item {
    transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-masthead.bk-reveal,
  .page-news .news-sec.bk-reveal,
  .page-news .news-feature.bk-reveal,
  .page-news .news-rhythm.bk-reveal,
  .page-news .news-path.bk-reveal {
    opacity: 1;
    transform: none;
  }
}
</main>