/* ===================================================
   赛场专栏 /column/ —— 页面专属样式
   作用域：.page-news
   =================================================== */

.page-news {
  --news-cell: var(--ink-2);
  --news-cell-hi: var(--ink-3);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  margin: 0 0 18px;
}

.page-news .news-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .news-crumb .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s, border-color .16s;
}

.page-news .news-crumb .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.6vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--paper);
}

.page-news .news-hero .lead {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

/* 首屏右侧概况面板 */
.page-news .hero-stat {
  margin: 10px 0 0;
  border: 1px solid var(--line);
  background: var(--news-cell);
}

.page-news .hero-stat > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 13px;
  border-bottom: 1px solid var(--line);
}

.page-news .hero-stat > div:last-child {
  border-bottom: 0;
}

.page-news .hero-stat dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .hero-stat dd {
  margin: 0;
  font-size: 15px;
  color: var(--cyan);
}

.page-news .news-hero-figure {
  margin: 28px 0 0;
}

.page-news .news-figure {
  margin: 26px 0 0;
}

.page-news .media-caption {
  margin-top: 9px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 筛选作用域 ---------- */
.page-news .log-scope {
  position: relative;
}

.page-news .log-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 标签带 */
.page-news .log-bar-wrap {
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

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

.page-news .log-bar-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .log-chip {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.4;
  cursor: pointer;
  transition: color .15s, border-color .15s, background-color .15s;
}

.page-news .log-chip:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news #stage-all:checked ~ .log-bar-wrap .log-chip[for="stage-all"],
.page-news #stage-open:checked ~ .log-bar-wrap .log-chip[for="stage-open"],
.page-news #stage-mid:checked ~ .log-bar-wrap .log-chip[for="stage-mid"],
.page-news #stage-sprint:checked ~ .log-bar-wrap .log-chip[for="stage-sprint"],
.page-news #stage-final:checked ~ .log-bar-wrap .log-chip[for="stage-final"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

/* 纯前端筛选：无脚本时全部条目照常显示 */
.page-news #stage-open:checked ~ .log-stream .entry:not([data-stage="open"]) { display: none; }
.page-news #stage-mid:checked ~ .log-stream .entry:not([data-stage="mid"]) { display: none; }
.page-news #stage-sprint:checked ~ .log-stream .entry:not([data-stage="sprint"]) { display: none; }
.page-news #stage-final:checked ~ .log-stream .entry:not([data-stage="final"]) { display: none; }

/* ---------- 章节 ---------- */
.page-news .news-sec {
  padding: 38px 0 6px;
}

.page-news .news-sec .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin: 0 0 20px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-sec .section-num {
  flex: 0 0 auto;
  margin: 0;
}

.page-news .news-sec .section-title {
  flex: 0 1 auto;
  margin: 0;
}

.page-news .news-sec .section-sub {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 01 栏目定位 ---------- */
.page-news .scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .scope-cell {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: var(--news-cell);
}

.page-news .scope-cell--no {
  background: transparent;
  border-color: var(--line-strong);
}

.page-news .scope-cell ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .scope-cell li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--text);
}

.page-news .scope-cell li:last-child {
  margin-bottom: 0;
}

.page-news .scope-cell li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-news .scope-cell--no li::before {
  background: var(--muted);
}

/* ---------- 条目流 ---------- */
.page-news .entry-list {
  border-top: 1px solid var(--line);
}

.page-news .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 0;
  padding: 15px 8px;
  border-bottom: 1px solid var(--line);
  transition: background-color .16s;
}

.page-news .entry:hover {
  background: var(--news-cell);
}

.page-news .entry-side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .entry-stage {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  transition: color .16s;
}

.page-news .entry-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: .85;
}

.page-news .entry:hover .entry-stage {
  color: var(--cyan);
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  transition: color .16s;
}

.page-news .entry:hover .entry-title {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 4px;
}

.page-news .entry-more {
  margin-top: 8px;
}

.page-news .entry-more summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: color .15s;
}

.page-news .entry-more summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--orange);
}

.page-news .entry-more[open] summary::before {
  content: "–";
}

.page-news .entry-more summary:hover {
  color: var(--cyan);
}

.page-news .entry-more p {
  margin: 10px 0 2px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 05 更新节律 ---------- */
.page-news .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .rhythm-card {
  padding: 16px 15px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: var(--news-cell);
}

.page-news .rhythm-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-news .rhythm-card:nth-child(3) {
  background: var(--indigo);
  border-top-color: var(--cyan);
}

.page-news .rhythm-card:nth-child(4) {
  background: var(--wine);
  border-top-color: var(--orange);
}

.page-news .rhythm-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .rhythm-title {
  margin: 9px 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--paper);
}

.page-news .rhythm-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--text);
}

.page-news .rhythm-note {
  margin: 18px 0 0;
  max-width: 46em;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 06 回看与去向 ---------- */
.page-news .archive-lead {
  margin: 0 0 18px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.74;
  color: var(--text);
}

.page-news .back-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .back-card {
  display: block;
  padding: 16px 15px 18px;
  border: 1px solid var(--line);
  background: var(--news-cell);
  text-decoration: none;
  transition: border-color .16s, background-color .16s;
}

.page-news .back-card:hover {
  border-color: var(--orange);
  background: var(--news-cell-hi);
}

.page-news .back-card h3 {
  margin: 9px 0 7px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .back-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-news .news-hero {
    padding: 42px 0 44px;
  }

  .page-news .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .entry {
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: 26px;
    padding: 18px 10px;
  }

  .page-news .entry-side {
    display: block;
  }

  .page-news .entry-stage {
    margin-bottom: 5px;
  }

  .page-news .entry-title {
    font-size: 19px;
  }

  .page-news .news-sec {
    padding: 46px 0 8px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    column-gap: 36px;
    align-items: start;
  }

  .page-news .news-hero-side {
    padding-top: 6px;
  }
}

@media (min-width: 1040px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .entry {
    grid-template-columns: 176px minmax(0, 1fr);
    padding: 20px 12px;
  }
}