/* 20261108 */
        * { margin: 0; padding: 0; box-sizing: border-box; font-family: "Microsoft Yahei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; }
        body { background-color: #f5f6f8; color: #333; line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        .main { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; }

        /* 顶部导航 */
        .top-nav { background-color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.05); padding: 12px 0; position: sticky; top: 0; z-index: 100; }
        .top-nav .main { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
        .nav { display: flex; gap: 22px; align-items: center; }
        .nav-item a { color: #555; font-size: 15px; font-weight: 500; padding: 5px 0; border-bottom: 2px solid transparent; }
        .nav-item a:hover { color: #1a73e8; }
        .nav-item.this a { color: #1a73e8; border-bottom-color: #1a73e8; }
        /* 搜索框：按钮内嵌在输入框右侧（胶囊一体样式） */
        .search-form { position: relative; }
        .search-form input[type="text"] { border: 1px solid #ddd; border-radius: 21px; padding: 8px 82px 8px 18px; font-size: 14px; outline: none; width: 232px; transition: border-color .2s; background: #fff; }
        .search-form input[type="text"]:focus { border-color: #1a73e8; }
        .search-form button { position: absolute; right: 4px; top: 4px; bottom: 4px; border: none; background: #1a73e8; color: #fff; border-radius: 17px; padding: 0 18px; font-size: 14px; cursor: pointer; line-height: 1; }
        .search-form button:hover { background: #1557b0; }

        /* 标题条 */
        .list-head { margin: 22px 0 16px; display: flex; align-items: baseline; gap: 12px; }
        .list-head h1 { font-size: 20px; font-weight: 600; }
        .list-head .sub { font-size: 13px; color: #999; }

        /* 瀑布流 */
        .wf { column-count: 4; column-gap: 16px; }
        @media (max-width: 1100px) { .wf { column-count: 3; } }
        @media (max-width: 760px)  { .wf { column-count: 2; column-gap: 10px; } }
        @media (max-width: 420px)  { .wf { column-count: 2; } }
        .wf-item { break-inside: avoid; -webkit-column-break-inside: avoid; position: relative; display: block; margin-bottom: 16px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.06); transition: transform .2s ease, box-shadow .2s ease; }
        .wf-item:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.13); }
        .wf-item img { width: 100%; display: block; background: #eef0f2; min-height: 60px; }
        /* 播放按钮：居中覆盖在图上，点击穿透到卡片链接跳详情 */
        .wf-play { position: absolute; top: 50%; left: 50%; margin: -24px 0 0 -24px; width: 48px; height: 48px; border-radius: 50%; background: rgba(0,0,0,.45); box-shadow: 0 2px 8px rgba(0,0,0,.3); pointer-events: none; transition: background .2s ease, transform .2s ease; }
        .wf-play::after { content: ''; position: absolute; top: 50%; left: 50%; margin: -10px 0 0 -6px; border-left: 15px solid #fff; border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
        .wf-item:hover .wf-play { background: rgba(26,115,232,.75); transform: scale(1.08); }
        .wf-info { padding: 9px 12px 10px; font-size: 13px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
        .wf-name { color: #444; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
        .wf-view { color: #aaa; font-size: 12px; white-space: nowrap; }

        /* 加载状态 */
        .load-state { text-align: center; padding: 26px 0 40px; color: #999; font-size: 14px; }
        .spinner { display: inline-block; width: 22px; height: 22px; border: 3px solid #ddd; border-top-color: #1a73e8; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: middle; margin-right: 8px; }
        @keyframes spin { to { transform: rotate(360deg); } }

        footer { text-align: center; padding: 30px 0 40px; color: #aaa; font-size: 13px; }
        footer a { color: #1a73e8; }