AdaDexTrack/index.html at main · Janebek/AdaDexTrack · GitHub

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<!doctype html>
<html lang="zh-CN">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Expert Policy</title>
  <style>
    :root { --gap: 16px; --radius: 18px; }

    /* 全局：白底 + 深灰文字 */
    body {
      font-family: system-ui, -apple-system, Segoe UI, Roboto, PingFang SC, Noto Sans SC, sans-serif;
      margin: 0;
      background: #ffffff;
      color: #111827;
    }

    /* 顶部大标题（仅标题，无搜索框） */
    header{
      position: sticky; top: 0; z-index: 10;
      backdrop-filter: saturate(1.2) blur(6px);
      background: rgba(255,255,255,.9);
      border-bottom: 1px solid #e5e7eb;
    }
    .wrap{ max-width: 1600px; margin: 0 auto; padding: 18px 16px; }
    h1{
      margin: 0;
      font-size: 32px;          /* 大标题字号 */
      font-weight: 800;
      letter-spacing: .2px;
      text-align: center;        /* 居中 */
    }

    /* 大号网格：卡片最小 520px，屏幕窄时自动降到 420/320 */
    .grid{
      display:grid;
      grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
      gap: var(--gap);
      padding: var(--gap);
      max-width: 1600px;
      margin: 0 auto;
    }
    @media (max-width: 1280px){
      .grid{ grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); }
    }
    @media (max-width: 900px){
      .grid{ grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
    }

    /* 卡片：白底 + 细边 + 柔和阴影 */
    .card{
      background:#fff;
      border:1px solid #e5e7eb;
      border-radius: var(--radius);
      overflow:hidden;
      box-shadow: 0 6px 18px rgba(0,0,0,.08);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    @media (hover:hover){
      .card:hover{
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(0,0,0,.12);
      }
    }

    .player{ position:relative; aspect-ratio:16/9; background:#000; }
    video, img{ width:100%; height:100%; object-fit:cover; display:block; border:0; }
  </style>
</head>
<body>

  <!-- 新增的大标题 -->
  <header>
    <div class="wrap">
      <h1>Expert Policy</h1>
    </div>
  </header>

  <main class="grid" id="grid"></main>

<script>
async function loadManifest(){
  const res = await fetch('manifest.json', { cache: 'no-store' });
  if(!res.ok) throw new Error('manifest.json 加载失败');
  return res.json();
}

/* 洗牌：Fisher–Yates */
function shuffle(arr){
  for(let i = arr.length - 1; i > 0; i--){
    const j = Math.floor(Math.random() * (i + 1));
    [arr[i], arr[j]] = [arr[j], arr[i]];
  }
  return arr;
}

function makeCard(item){
  const card = document.createElement('article');
  card.className = 'card';

  const player = document.createElement('div');
  player.className = 'player';

  // 先放海报，进入视口再换成 <video>
  const poster = document.createElement('img');
  poster.alt = item.title || item.file || '';
  poster.loading = 'lazy';
  poster.decoding = 'async';
  poster.src = item.poster || '';
  if(!item.poster){ poster.style.background = '#000'; }
  player.appendChild(poster);

  card.appendChild(player);

  // 懒加载：出现时才创建 <video>
  const io = new IntersectionObserver(entries => {
    for(const e of entries){
      if(e.isIntersecting){
        io.disconnect();
        const v = document.createElement('video');
        v.setAttribute('controls', '');
        v.setAttribute('playsinline','');
        v.setAttribute('preload','metadata');
        if(item.poster) v.setAttribute('poster', item.poster);
        v.src = item.src; // 相对路径，如 videos/xxx.mp4
        player.replaceChild(v, poster);
      }
    }
  }, { rootMargin: '160px' });
  io.observe(card);

  return card;
}

function render(list){
  const grid = document.getElementById('grid');
  grid.innerHTML = '';
  for(const item of list){ grid.appendChild(makeCard(item)); }
}

/* 加载清单 → 打乱 → 渲染一次 */
loadManifest()
  .then(list => { render(shuffle(list.slice())); })
  .catch(err => {
    const grid = document.getElementById('grid');
    grid.innerHTML = `<p style="opacity:.8;padding:16px">加载清单失败：${err.message}。请确认 manifest.json 已生成并在仓库根目录。</p>`;
  });
</script>
</body>
</html>