.page-news {
  display: block;
  padding-bottom: 24px;
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 22px;
  padding-top: 18px;
}

.page-news .news-hero__media {
  position: relative;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
  overflow: hidden;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  opacity: 0.88;
}

.page-news .news-hero__mark {
  position: absolute;
  left: 16px;
  bottom: 26px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(64px, 17vw, 132px);
  line-height: 0.76;
  letter-spacing: -0.05em;
  color: var(--green-500);
  text-shadow: 0 2px 26px rgba(14, 26, 43, 0.6);
  pointer-events: none;
}

.page-news .news-hero__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .news-hero h1 {
  margin: 0;
  font-size: clamp(26px, 6.2vw, 40px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--ink-800);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  border-top: 2px solid var(--green-500);
  font-size: 0.875rem;
  color: var(--slate);
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .news-hero__facts .mono {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 主题索引带 ---------- */
.page-news .news-topics {
  padding-top: 52px;
}

.page-news .news-topicband {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-news .topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px 24px;
  background: var(--white);
  border-left: 4px solid var(--green-500);
  text-decoration: none;
  color: var(--ink-800);
  transition: background var(--dur) ease, transform var(--dur) ease;
}

.page-news .topic-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 20px;
  height: 20px;
  background: var(--paper);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  background: var(--green-050);
  transform: translate(-2px, -2px);
}

.page-news .topic-card__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--orange-700);
}

.page-news .topic-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .topic-card__desc {
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .topic-card__count {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--green-700);
}

/* ---------- 条目列表 ---------- */
.page-news .news-stream-wrap {
  padding-top: 54px;
}

.page-news .news-stream {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .news-item {
  position: relative;
  padding-left: 28px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange-500);
  box-shadow: 0 0 0 4px var(--paper);
  transition: background var(--dur) ease;
}

.page-news .news-item[open]::after {
  background: var(--green-500);
}

.page-news .news-item summary {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item summary:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 4px;
}

.page-news .news-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
  transition: color var(--dur) ease;
}

.page-news .news-item summary:hover .news-item__title {
  color: var(--green-700);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--green-050);
  color: var(--ink-800);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-news .news-item__meta .mono {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-item__chev {
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform var(--dur) ease;
}

.page-news .news-item[open] .news-item__chev {
  transform: rotate(-135deg);
}

.page-news .news-item[open] > summary {
  padding-bottom: 10px;
}

.page-news .news-item__body {
  display: grid;
  gap: 14px;
  max-width: 64ch;
  padding: 0 0 24px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-news .news-item__body p {
  margin: 0;
}

.page-news .news-item__body a {
  color: var(--green-700);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--green-500);
}

.page-news .news-item__body a:hover {
  color: var(--ink-900);
}

.page-news .news-item__figure {
  margin: 0 0 2px;
}

.page-news .news-item__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
}

/* ---------- 更新日志 ---------- */
.page-news .news-log {
  margin-top: 60px;
  padding: 48px 0 52px;
  background: var(--ink-900);
}

.page-news .news-log .eyebrow {
  color: var(--green-500);
}

.page-news .news-log .section-title {
  color: var(--white);
}

.page-news .news-log .section-desc {
  color: var(--line);
}

.page-news .news-log__figure {
  margin: 26px 0 0;
  max-width: 620px;
}

.page-news .news-log__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-news .news-log__rail {
  margin-top: 34px;
  padding-left: 20px;
  border-left: 2px solid rgba(46, 204, 113, 0.34);
  display: grid;
  gap: 12px;
}

.page-news .news-log__entry {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-news .news-log__entry::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green-500);
}

.page-news .news-log__entry summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-log__entry summary:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 3px;
}

.page-news .news-log__ver {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--green-500);
}

.page-news .news-log__sum {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-log__entry .news-item__chev {
  border-color: var(--green-500);
}

.page-news .news-log__entry[open] .news-item__chev {
  transform: rotate(-135deg);
}

.page-news .news-log__body {
  padding: 0 18px 18px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-log__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-news .news-log__body li::marker {
  color: var(--green-500);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-top: 56px;
}

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

.page-news .news-series__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 24px));
}

.page-news .news-series__grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 24px;
  background: var(--paper);
  border-top: 3px solid var(--ink-800);
}

.page-news .series-card__idx {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--orange-700);
}

.page-news .series-card__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .series-card__next {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--green-700);
}

/* ---------- 订阅更新 ---------- */
.page-news .news-sub {
  padding-top: 56px;
}

.page-news .news-sub__panel {
  padding: 32px 22px 34px;
  background: var(--ink-800);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-news .news-sub__panel .eyebrow {
  color: var(--green-500);
}

.page-news .news-sub__panel .section-title {
  color: var(--white);
}

.page-news .news-sub__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-sub__steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-sub__step {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--green-500);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--white);
}

.page-news .news-sub__step .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--green-500);
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-sub__actions .btn--ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.page-news .news-sub__actions .btn--ghost:hover {
  border-color: var(--green-500);
  color: var(--green-500);
}

.page-news .news-sub__foot {
  margin: 20px 0 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--line);
}

.page-news .news-sub__foot a {
  color: var(--green-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 204, 113, 0.5);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .news-topicband {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-sub__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .news-sub__panel {
    padding: 40px 36px 44px;
  }
}

@media (min-width: 820px) {
  .page-news .news-item summary {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
    padding-top: 30px;
  }

  .page-news .news-hero h1 {
    font-size: clamp(34px, 3.4vw, 44px);
  }

  .page-news .news-hero__media {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  }

  .page-news .news-log {
    padding: 64px 0 68px;
  }

  .page-news .news-log__rail {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .news-item__chev,
  .page-news .news-item::after,
  .page-news .news-item__title {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-visible {
    transform: none;
  }
}



<main id="main-content" class="page-news">
  <div class="container page-news__crumb">
    <nav class="breadcrumb" aria-label="页面位置">
      <a href="/">首页</a>
      <span class="crumb-sep">/</span>
      <span class="crumb-current">V4通道专栏</span>
    </nav>
  </div>

  <section class="container news-hero" aria-labelledby="news-title">
    <div class="news-hero__media">
      <img src="{zhanqunpic:h:750w:1200}" width="1200" height="750" alt="球场边线向对角线延伸的抽象构图，叠加数据折线与编号">
      <span class="news-hero__mark" aria-hidden="true">V4</span>
    </div>
    <div class="news-hero__body">
      <p class="eyebrow">每场球之后的第一手解读</p>
      <h1 id="news-title">亚富体育V4通道栏目：赛事观察、指标说明与版本更新日志</h1>
      <p class="news-hero__lede">一场球刚结束，射门落在哪片草皮、控球在哪个时段滑走、失球集中在第几分钟，这些画面还要有人帮你串成能读下去的句子。亚富体育把这个栏目留给这类内容，也把每次改版的来龙去脉写在这里，回访的老读者按原来的地址进来，内容还在原处。</p>
      <ul class="news-hero__facts">
        <li><span class="mono">3–5</span> 篇／每周栏目更新</li>
        <li><span class="mono">12–18</span> 篇／每周全站内容</li>
        <li><span class="mono">V4.0–V4.3</span> 四次迭代</li>
      </ul>
      <div class="news-hero__actions">
        <a class="btn btn--primary" href="#stream">翻阅本期条目</a>
        <a class="btn btn--ghost" href="/catalog/">查看数据服务</a>
      </div>
    </div>
  </section>

  <section class="container news-topics" id="topics" data-reveal aria-labelledby="topics-heading">
    <div class="section-head">
      <p class="eyebrow">先挑一条你关心的线</p>
      <h2 class="section-title" id="topics-heading">三个主题簇，各自往下写</h2>
      <p class="section-desc">有人想先弄懂数字怎么来的，有人只想知道这周写了什么，也有人关心栏目改版后老书签还能不能用。三条线分开走，谁都不必绕路。</p>
    </div>
    <div class="news-topicband">
      <a class="topic-card" href="#stream">
        <span class="topic-card__idx">01 / OBSERVE</span>
        <span class="topic-card__name">赛事数据观察</span>
        <span class="topic-card__desc">比赛里那些容易被一句“踢得不错”带过去的细节，用数据摊开来看。</span>
        <span class="topic-card__count">本期 6 条 →</span>
      </a>
      <a class="topic-card" href="#stream">
        <span class="topic-card__idx">02 / METRICS</span>
        <span class="topic-card__name">指标说明</span>
        <span class="topic-card__desc">射门怎么分类、控球时长怎么计、时段怎么切，把算法讲成人话。</span>
        <span class="topic-card__count">本期 2 条 →</span>
      </a>
      <a class="topic-card" href="#stream">
        <span class="topic-card__idx">03 / RELEASE</span>
        <span class="topic-card__name">版本更新日志</span>
        <span class="topic-card__desc">每一版栏目改了什么、老地址还通不通，结论先写在最前面。</span>
        <span class="topic-card__count">本期 2 条 →</span>
      </a>
    </div>
  </section>

  <section class="container news-stream-wrap" id="stream" data-reveal aria-labelledby="stream-heading">
    <div class="section-head">
      <p class="eyebrow">最近写了什么</p>
      <h2 class="section-title" id="stream-heading">本期十条，点开看完整说明</h2>
      <p class="section-desc">标题下面挂着一句摘要，想细看再展开。收起时列表足够紧凑，一路扫下去就能找到想读的那篇。</p>
    </div>

    <ol class="news-stream">
      <li class="news-item", id="item-1">
        <details>
          <summary>
            <span class="news-item__title">中场休息之后，控球数字为什么突然换了个样子</span>
            <span class="news-item__meta">
              <span class="tag">赛事数据观察</span>
              <span class="mono">约 6 分钟</span>
              <span class="mono">常规赛中段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <figure class="news-item__figure">
              <img src="{zhanqunpic:h:700w:1200}" width="1200" height="700" alt="射门轨迹与时段柱形图叠加的抽象画面，用对角线构图表现比赛节奏的变化" loading="lazy" decoding="async">
            </figure>
            <p>很多时候，一支球队下半场的控球数字会比上半场高出一截，但场面并没有明显变好。中场换人、教练调整站位、对手收紧防线，都会让球权重新分配，可这些变化并不总意味着进攻更有威胁。</p>
            <p>这篇挑了一段常规赛的中段数据，把“球权变多”和“威胁变多”拆开看，顺便说清半场与全场两种视图为什么会给出不同观感。<a href="/catalog/">控球时长的计算方式</a>在数据目录里有更完整的说明。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-2">
        <details>
          <summary>
            <span class="news-item__title">同样是十次射门，为什么有的队让人心慌，有的队让人犯困</span>
            <span class="news-item__meta">
              <span class="tag">赛事数据观察</span>
              <span class="mono">约 5 分钟</span>
              <span class="mono">常规赛中段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>射门总数一样，含金量可以差出好几条街。把出手拆成射正、射偏、被封堵与进球转化四类，再往下钻到射门区域，谁在禁区里起脚、谁只能在外围碰运气，一眼就分得出来。</p>
            <p>这篇给了一个很朴素的读法：先看类别分布，再看区域落在哪，最后才回到总数。顺序反了，结论往往也会反。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-3">
        <details>
          <summary>
            <span class="news-item__title">进球转化率单独看容易走偏，配着射门区域读才稳</span>
            <span class="news-item__meta">
              <span class="tag">指标说明</span>
              <span class="mono">约 7 分钟</span>
              <span class="mono">V4.2 迭代后</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>转化率低，可能是手感不好，也可能只是出手位置太远。单拎一个百分比出来，很容易得出相反结论。把转化率和射门区域放在一起，三种常见组合各有各的解释：机会质量差、机会够好但把握不住、以及样本太小还不必下判断。</p>
            <p>内容创作者引用这组数字时，把出手次数一起带上，读者理解起来会顺很多。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-4">
        <details>
          <summary>
            <span class="news-item__title">把九十分钟切成六段，球队的软肋往往藏在其中一段</span>
            <span class="news-item__meta">
              <span class="tag">指标说明</span>
              <span class="mono">约 8 分钟</span>
              <span class="mono">杯赛阶段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>进失球分布按十五分钟一段切开，哪一段最不稳会立刻显出来。杯赛阶段赛程密，问题常常集中在下半场中后段，光看全场统计反而看不出来。这篇演示了先定位时段、再回头翻射门与控球的做法，比一上来就摊开所有数字高效得多。</p>
            <p>同一时段最多可以并排对照三个联赛或杯赛，横向比较之后，哪些是自己的问题、哪些是普遍的节奏习惯，会清楚不少。<a href="/catalog/">对照视图</a>在数据目录页可以直接使用。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-5">
        <details>
          <summary>
            <span class="news-item__title">V4.3 上线：三个联赛的进失球分布可以并排放了</span>
            <span class="news-item__meta">
              <span class="tag">版本更新日志</span>
              <span class="mono">约 3 分钟</span>
              <span class="mono">V4.3 迭代后</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>这次改动集中在对照视图：同一时段最多并排三个联赛或杯赛的进失球分布，切换联赛时数据条做一个短位移过渡，方便横向比走势，而不是来回翻页记数字。半场与全场两种视图都保留，入口位置和上一版一致。</p>
            <p>顺手把移动端也过了一遍，首屏加载维持在一秒出头，赛后在手机上翻数据不卡。相关图表入口在<a href="/catalog/">数据目录</a>。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-6">
        <details>
          <summary>
            <span class="news-item__title">客场节奏慢下来的时候，控球数据会比比分更早说话</span>
            <span class="news-item__meta">
              <span class="tag">赛事数据观察</span>
              <span class="mono">约 6 分钟</span>
              <span class="mono">常规赛中段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>控球率按有效控球时长计算，每秒采样一次，所以节奏一变，曲线上会先露头。慢节奏的比赛里，这个指标往往比射门数更早反映出场面往哪边倾。</p>
            <p>这篇拿两段比赛的走势做对照，讲清什么时候该盯控球、什么时候直接看射门更省事。判断标准不复杂，看球的人自己也能用。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-7">
        <details>
          <summary>
            <span class="news-item__title">射门区域地图：一脚射门到底是从哪儿踢出来的</span>
            <span class="news-item__meta">
              <span class="tag">指标说明</span>
              <span class="mono">约 9 分钟</span>
              <span class="mono">V4.2 迭代后</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>射门数据可以逐层下钻到区域，禁区内外、边路与中路的出手比例一目了然。再叠上时段切分，就能看出进攻重心是几点钟开始偏移的。这篇给了一个简单的读图顺序：先看整体分布，再锁定时段，最后才落到具体那一脚。</p>
            <p>习惯做图文内容的作者，把区域图和类别分布并排放，比单放一张图更容易被读者接住。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-8">
        <details>
          <summary>
            <span class="news-item__title">密集赛程里的换人时段，数据上会留下什么痕迹</span>
            <span class="news-item__meta">
              <span class="tag">赛事数据观察</span>
              <span class="mono">约 7 分钟</span>
              <span class="mono">杯赛阶段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>两场比赛间隔短，轮换幅度自然变大。把换人前后的控球与射门分组对比，能看到节奏是被接住了还是往下掉了。这篇给了一个业余球队也能照着做的对照办法，不需要专业工具。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-9">
        <details>
          <summary>
            <span class="news-item__title">栏目地址沿用旧结构，收藏夹里的链接照样打得开</span>
            <span class="news-item__meta">
              <span class="tag">版本更新日志</span>
              <span class="mono">约 2 分钟</span>
              <span class="mono">V4.1 迭代后</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>这一版没有动栏目路径，只调整了索引的排列顺序。从栏目首页到单篇内容的地址保持原样，老读者从收藏夹点进来，看到的还是熟悉的编号与栏目名。</p>
            <p>在外部文章里引用过这里地址的，也不需要重新替换。</p>
          </div>
        </details>
      </li>

      <li class="news-item" id="item-10">
        <details>
          <summary>
            <span class="news-item__title">业余球队复盘：三条曲线把一场球讲明白</span>
            <span class="news-item__meta">
              <span class="tag">赛事数据观察</span>
              <span class="mono">约 6 分钟</span>
              <span class="mono">常规赛中段</span>
              <span class="news-item__chev" aria-hidden="true"></span>
            </span>
          </summary>
          <div class="news-item__body">
            <p>队里没有专职分析师也能复盘。把射门分布、控球时段与进失球分布摆在同一页上，开会时大家盯着同一组数字讨论，比各讲各的场面更有抓手。</p>
            <p>这篇按“先看整体、再挑一段、最后落到人”的顺序，给了一条完整的复盘流程，队长照着走一遍就能上手。</p>
          </div>
        </details>
      </li>
    </ol>
  </section>

  <section class="news-log" id="log" aria-labelledby="log-heading">
    <div class="container">
      <div class="section-head" data-reveal>
        <p class="eyebrow">改版记到哪一版了</p>
        <h2 class="section-title" id="log-heading">从 V4.0 到 V4.3，四次迭代各改了什么</h2>
        <p class="section-desc">栏目从最初一版走到现在已经过了五个大版本。这里把 V4 阶段的四次迭代按先后列出来，点开任意一条看细项。</p>
      </div>

      <figure class="news-log__figure" data-reveal>
        <img src="{zhanqunpic:h:800w:1000}" width="1000" height="800" alt="V4.0 至 V4.3 四个节点的纵向日志示意图，逐条标注该版本的改动主题" loading="lazy" decoding="async">
      </figure>

      <div class="news-log__rail">
        <details class="news-log__entry" open>
          <summary>
            <span class="news-log__ver mono">V4.0</span>
            <span class="news-log__sum">栏目分成三个入口，索引结构定型</span>
            <span class="news-item__chev" aria-hidden="true"></span>
          </summary>
          <div class="news-log__body">
            <ul>
              <li>主题索引、专题系列、版本更新日志三个入口同时上线。</li>
              <li>每篇内容带一个固定编号，编号在栏目内不重复。</li>
              <li>索引放在页面靠上的位置，长列表往下滚也不影响查找。</li>
            </ul>
          </div>
        </details>

        <details class="news-log__entry">
          <summary>
            <span class="news-log__ver mono">V4.1</span>
            <span class="news-log__sum">地址结构保持原样，旧链接继续有效</span>
            <span class="news-item__chev" aria-hidden="true"></span>
          </summary>
          <div class="news-log__body">
            <ul>
              <li>从栏目首页到单篇内容的路径不做调整。</li>
              <li>已经收藏的地址不需要重新保存。</li>
              <li>索引顺序按主题重排，内容所在位置保持不变。</li>
            </ul>
          </div>
        </details>

        <details class="news-log__entry">
          <summary>
            <span class="news-log__ver mono">V4.2</span>
            <span class="news-log__sum">加上对照图表，条目改为可展开</span>
            <span class="news-item__chev" aria-hidden="true"></span>
          </summary>
          <div class="news-log__body">
            <ul>
              <li>进失球分布支持半场与全场两种视图切换。</li>
              <li>列表条目默认收起，展开后显示完整说明。</li>
              <li>图表切换的过渡控制在两百毫秒，不影响连续对照。</li>
            </ul>
          </div>
        </details>

        <details class="news-log__entry">
          <summary>
            <span class="news-log__ver mono">V4.3</span>
            <span class="news-log__sum">三个联赛可以并排对照</span>
            <span class="news-item__chev" aria-hidden="true"></span>
          </summary>
          <div class="news-log__body">
            <ul>
              <li>同一时段最多并排三个联赛或杯赛的进失球分布。</li>
              <li>切换联赛时数据条做短位移，方便横向比走势。</li>
              <li>移动端首屏加载维持在 1.1 秒左右。</li>
            </ul>
          </div>
        </details>
      </div>
    </div>
  </section>

  <section class="container news-series" id="series" data-reveal aria-labelledby="series-heading">
    <div class="section-head">
      <p class="eyebrow">还在连载的三个专题</p>
      <h2 class="section-title" id="series-heading">一个角度写到底，攒起来就是一套读图方法</h2>
      <p class="section-desc">每个专题只讲一个小问题，篇数不多，顺着读完就能自己上手看数据。</p>
    </div>

    <figure class="news-series__banner">
      <img src="{zhanqunpic:h:500w:1400}" width="1400" height="500" alt="三段斜切色带并列排布，分别代表三个连载专题并配有序号" loading="lazy" decoding="async">
    </figure>

    <div class="news-series__grid">
      <article class="series-card">
        <p class="series-card__idx mono">专题 01</p>
        <h3 class="series-card__name">半场控球变化</h3>
        <p class="series-card__desc">从中场哨响到下半场前十五分钟，球权是怎么一点点挪位置的。已更新 8 篇。</p>
        <p class="series-card__next">下一篇：换人时段的控球拐点</p>
      </article>
      <article class="series-card">
        <p class="series-card__idx mono">专题 02</p>
        <h3 class="series-card__name">射门区域地图</h3>
        <p class="series-card__desc">把一支队的出手位置铺在草皮上，看进攻重心靠哪一侧、离球门多远。已更新 6 篇。</p>
        <p class="series-card__next">下一篇：禁区弧顶的出手密度</p>
      </article>
      <article class="series-card">
        <p class="series-card__idx mono">专题 03</p>
        <h3 class="series-card__name">跨联赛进失球对照</h3>
        <p class="series-card__desc">同一时段放在不同联赛里比，节奏差异往往比想象中大。已更新 5 篇。</p>
        <p class="series-card__next">下一篇：三个联赛的 75–90 分钟段</p>
      </article>
    </div>
  </section>

  <section class="container news-sub" id="subscribe" aria-labelledby="sub-heading">
    <div class="news-sub__panel" data-reveal>
      <p class="eyebrow">更新节奏与订阅</p>
      <h2 class="section-title" id="sub-heading">每周三到五篇，让内容主动找到你</h2>
      <p class="news-sub__lede">栏目保持每周 3–5 篇的更新，全站每周另有 12–18 篇专栏与数据观察。想让新文章自己找上门，在数据目录里走完三步就行，设置当场生效。已经订阅过的读者不必重复操作，比赛结束后约十五分钟，新内容会跟着数据一起出现。</p>
      <ol class="news-sub__steps">
        <li class="news-sub__step"><span class="mono">第 1 步</span>选一个你常看的联赛或杯赛</li>
        <li class="news-sub__step"><span class="mono">第 2 步</span>勾上关注的球队，可以多选</li>
        <li class="news-sub__step"><span class="mono">第 3 步</span>确认推送方式，设置即刻生效</li>
      </ol>
      <div class="news-sub__actions">
        <a class="btn btn--primary" href="/catalog/">去数据目录开通订阅</a>
        <a class="btn btn--ghost" href="/questions/">订阅疑问看这里</a>
      </div>
      <p class="news-sub__foot">栏目选题有想法，或者发现某场比赛的数字不对劲，可以走<a href="/inquiry/">咨询通道</a>告诉我们；反馈入口固定在页脚第二行，工作日 09:00–18:00 有专人跟进。</p>
    </div>
  </section>
</main>

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}

.page-news .news-item summary:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 4px;
}

.page-news .news-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
  transition: color var(--dur) ease;
}

.page-news .news-item summary:hover .news-item__title {
  color: var(--green-700);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--green-050);
  color: var(--ink-800);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-news .news-item__meta .mono {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-item__chev {
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform var(--dur) ease;
}

.page-news .news-item[open] .news-item__chev {
  transform: rotate(-135deg);
}

.page-news .news-item[open] > summary {
  padding-bottom: 10px;
}

.page-news .news-item__body {
  display: grid;
  gap: 14px;
  max-width: 64ch;
  padding: 0 0 24px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-news .news-item__body p {
  margin: 0;
}

.page-news .news-item__body a {
  color: var(--green-700);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--green-500);
}

.page-news .news-item__body a:hover {
  color: var(--ink-900);
}

.page-news .news-item__figure {
  margin: 0 0 2px;
}

.page-news .news-item__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
}

/* ---------- 更新日志 ---------- */
.page-news .news-log {
  margin-top: 60px;
  padding: 48px 0 52px;
  background: var(--ink-900);
}

.page-news .news-log .eyebrow {
  color: var(--green-500);
}

.page-news .news-log .section-title {
  color: var(--white);
}

.page-news .news-log .section-desc {
  color: var(--line);
}

.page-news .news-log__figure {
  margin: 26px 0 0;
  max-width: 620px;
}

.page-news .news-log__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-news .news-log__rail {
  margin-top: 34px;
  padding-left: 20px;
  border-left: 2px solid rgba(46, 204, 113, 0.34);
  display: grid;
  gap: 12px;
}

.page-news .news-log__entry {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-news .news-log__entry::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green-500);
}

.page-news .news-log__entry summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-log__entry summary:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 3px;
}

.page-news .news-log__ver {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--green-500);
}

.page-news .news-log__sum {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-log__entry .news-item__chev {
  border-color: var(--green-500);
}

.page-news .news-log__entry[open] .news-item__chev {
  transform: rotate(-135deg);
}

.page-news .news-log__body {
  padding: 0 18px 18px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-log__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-news .news-log__body li::marker {
  color: var(--green-500);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-top: 56px;
}

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

.page-news .news-series__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 24px));
}

.page-news .news-series__grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 24px;
  background: var(--paper);
  border-top: 3px solid var(--ink-800);
}

.page-news .series-card__idx {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--orange-700);
}

.page-news .series-card__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .series-card__next {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--green-700);
}

/* ---------- 订阅更新 ---------- */
.page-news .news-sub {
  padding-top: 56px;
}

.page-news .news-sub__panel {
  padding: 32px 22px 34px;
  background: var(--ink-800);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-news .news-sub__panel .eyebrow {
  color: var(--green-500);
}

.page-news .news-sub__panel .section-title {
  color: var(--white);
}

.page-news .news-sub__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-sub__steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-sub__step {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--green-500);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--white);
}

.page-news .news-sub__step .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--green-500);
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-sub__actions .btn--ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.page-news .news-sub__actions .btn--ghost:hover,
.page-news .news-sub__actions .btn--ghost:focus-visible {
  color: var(--green-500);
  border-color: var(--green-500);
}

.page-news .news-sub__foot {
  margin: 20px 0 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--line);
}

.page-news .news-sub__foot a {
  color: var(--green-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 204, 113, 0.5);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .news-topicband {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-sub__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .news-sub__panel {
    padding: 40px 36px 44px;
  }
}

@media (min-width: 820px) {
  .page-news .news-item summary {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
    padding-top: 30px;
  }

  .page-news .news-hero h1 {
    font-size: clamp(34px, 3.4vw, 44px);
  }

  .page-news .news-hero__media {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  }

  .page-news .news-log {
    padding: 64px 0 68px;
  }

  .page-news .news-log__rail {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .news-item__chev,
  .page-news .news-item::after,
  .page-news .news-item__title {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-visible {
    transform: none;
  }
}