* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
        font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
        background: #1e1e1e;
        color: #ccc;
        font-size: 14px;
        line-height: 1.6;
    }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* ================= 顶部导航 ================= */
    .topbar {
        background: #111;
        color: #888;
        font-size: 12px;
        padding: 6px 0;
        border-bottom: 1px solid #333;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; max-width: 1280px; margin: 0 auto; padding: 0 16px;}
    .topbar a:hover { color: #e63946; }

    .header {
        background: #181818;
        padding: 12px 0;
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid #333;
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }
    .header .container {
        max-width: 1280px; margin: 0 auto; padding: 0 16px;
        display: flex; align-items: center; justify-content: space-between;
    }
    .logo img { height: 46px; display: block; }
    .nav { display: flex; gap: 8px; }
    .nav a {
        padding: 8px 20px; border-radius: 6px; font-size: 15px; color: #aaa; font-weight: bold; transition: all 0.2s;
    }
    .nav a:hover { color: #fff; background: #333; }
    .nav a.active { color: #fff; background: #e63946; }

    /* ================= 页面主体布局 ================= */
    .main-container {
        max-width: 1280px;
        margin: 24px auto;
        padding: 0 16px;
        display: flex;
        gap: 24px; /* 左侧导航与右侧内容的间距 */
        align-items: flex-start;
    }

    /* ================= 左侧小导航 ================= */
    .sidebar {
        width: 200px;
        background: #222;
        border-radius: 8px;
        border: 1px solid #333;
        overflow: hidden;
        flex-shrink: 0;
        position: sticky;
        top: 90px; /* 吸附在顶部导航下方 */
    }
    .sidebar-title {
        background: #2a2a2a;
        color: #fff;
        font-size: 16px;
        font-weight: bold;
        padding: 14px 20px;
        border-bottom: 1px solid #333;
        border-left: 4px solid #e63946;
    }
    .sidebar-menu li {
        border-bottom: 1px solid #2a2a2a;
    }
    .sidebar-menu li:last-child { border-bottom: none; }
    .sidebar-menu a {
        display: flex;
        align-items: center;
        padding: 12px 20px;
        color: #aaa;
        font-size: 14px;
        transition: all 0.2s;
    }
    .sidebar-menu a:hover, .sidebar-menu a.active {
        background: #2a2a2a;
        color: #e63946;
        padding-left: 24px; /* 悬浮右移效果 */
    }

    /* ================= 右侧主内容区 ================= */
    .content-area {
        flex: 1;
        min-width: 0;
    }

    /* 栏目标题 */
    .section-header {
        display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
    }
    .section-header h2 {
        font-size: 20px; color: #fff; font-weight: bold; display: flex; align-items: center; gap: 10px;
    }
    .section-header h2::before {
        content: ""; width: 4px; height: 18px; background: #e63946; border-radius: 2px;
    }
    .section-header a { font-size: 13px; color: #888; }
    .section-header a:hover { color: #e63946; }

    /* ================= 一行式赛程预告封面 ================= */
    .schedule-line-card {
        width: 100%;
        background: #222;
        border-radius: 12px;
        overflow: hidden;
        position: relative;
        border: 1px solid #333;
        box-shadow: 0 8px 24px rgba(0,0,0,0.5);
        display: flex;
        align-items: stretch;
        height: 100px;
        transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
        margin-bottom: 16px;
    }
    .schedule-line-card:hover {
        transform: translateY(-3px); border-color: #e63946; box-shadow: 0 12px 30px rgba(230,57,70,0.15);
    }
    .card-bg {
        position: absolute; top: 0; left: 0; bottom: 0; width: 300px;
        background: url('https://images.unsplash.com/photo-1522778119026-d647f0596c20?auto=format&fit=crop&q=80&w=600') center/cover no-repeat;
        z-index: 1;
    }
    .card-bg::after {
        content: ""; position: absolute; inset: 0;
        background: linear-gradient(to right, rgba(34,34,34,0.3) 0%, rgba(34,34,34,1) 100%);
    }
    .top-meta { position: absolute; top: 12px; left: 16px; z-index: 3; display: flex; gap: 8px; }
    .badge-focus { background: #e63946; color: #fff; font-size: 11px; font-weight: bold; padding: 2px 8px; border-radius: 4px; }
    .league-name { color: #ccc; font-size: 12px; background: rgba(0,0,0,0.6); padding: 2px 8px; border-radius: 4px; }
    
    .card-content {
        position: relative; z-index: 2; display: flex; align-items: center; width: 100%;
        padding: 0 24px 0 320px; justify-content: space-between;
    }
    .teams-wrapper { display: flex; align-items: center; gap: 30px; flex: 1; justify-content: center; }
    .team { display: flex; align-items: center; gap: 12px; }
    .team.right { flex-direction: row-reverse; }
    .team-logo { width: 48px; height: 48px; background: #fff; border-radius: 50%; padding: 6px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 10px rgba(0,0,0,0.4); }
    .team-logo img { width: 100%; height: 100%; object-fit: contain; }
    .team-name { color: #fff; font-size: 18px; font-weight: bold; white-space: nowrap; }
    
    .vs-container { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 60px; }
    .vs-text { font-size: 22px; font-weight: 900; font-style: italic; color: #e63946; line-height: 1; }
    .match-time { font-size: 12px; color: #aaa; font-weight: bold; }
    
    .action-area { margin-left: 20px; }
    .btn-watch {
        background: #333; color: #fff; font-size: 14px; font-weight: bold; padding: 10px 24px;
        border-radius: 30px; transition: all 0.3s; white-space: nowrap; border: 1px solid #444;
    }
    .schedule-line-card:hover .btn-watch { background: #e63946; border-color: #e63946; box-shadow: 0 4px 15px rgba(230,57,70,0.4); }


    /* ================= 热门比赛列表 ================= */
    .match-list-box {
        background: #222; border-radius: 8px; border: 1px solid #333; overflow: hidden;
    }
    .match-date-title {
        background: #2a2a2a; color: #fff; font-weight: bold; padding: 12px 20px; border-bottom: 1px solid #333;
    }
    .match-row {
        display: flex; align-items: center; padding: 14px 20px; border-bottom: 1px solid #333; transition: background 0.2s;
    }
    .match-row:last-child { border-bottom: none; }
    .match-row:hover { background: #2a2a2a; }
    
    .m-time { width: 80px; color: #e63946; font-weight: bold; font-size: 15px; }
    .m-league { width: 100px; color: #888; font-size: 13px; }
    .m-teams { flex: 1; color: #e6edf3; font-size: 15px; display: flex; align-items: center; gap: 10px; }
    .m-teams span.vs { color: #666; font-size: 12px; }
    .m-action { margin-left: 20px; }
    .btn-live {
        background: transparent; color: #e63946; border: 1px solid #e63946; padding: 4px 16px; border-radius: 20px; font-size: 13px; transition: all 0.2s;
    }
    .btn-live:hover { background: #e63946; color: #fff; }

    /* ================= 底部说明 ================= */
    .footer {
        background: #111;
        padding: 40px 0;
        margin-top: 40px;
        border-top: 1px solid #222;
        text-align: center;
        color: #666;
        font-size: 13px;
    }
    .footer-links {
        margin-bottom: 16px; display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;
    }
    .footer-links a { color: #888; transition: color 0.2s; }
    .footer-links a:hover { color: #e63946; }
    .footer p { margin-bottom: 6px; }
    .footer .highlight { color: #e63946; }

    /* ================= 响应式 ================= */
    @media (max-width: 900px) {
        .main-container { flex-direction: column; }
        .sidebar { width: 100%; position: static; margin-bottom: 20px; }
        .sidebar-menu { display: flex; flex-wrap: wrap; }
        .sidebar-menu li { flex: 1 1 33.33%; border-right: 1px solid #2a2a2a; border-bottom: none; text-align: center; }
        .sidebar-menu a { justify-content: center; padding: 10px; }
        .sidebar-menu a:hover { padding-left: 10px; }
        
        .schedule-line-card { height: auto; flex-direction: column; }
        .card-bg { position: relative; width: 100%; height: 80px; }
        .card-bg::after { background: linear-gradient(to top, #222 0%, transparent 100%); }
        .card-content { padding: 15px; flex-direction: column; gap: 15px; }
        .teams-wrapper { width: 100%; justify-content: space-between; gap: 10px; }
        .team-name { font-size: 15px; }
        .team-logo { width: 40px; height: 40px; padding: 4px; }
        .action-area { width: 100%; margin-left: 0; }
        .btn-watch { display: block; text-align: center; width: 100%; }
    }
    @media (max-width: 640px) {
        .nav { display: none; /* 手机端隐藏顶部导航，看左侧导航即可 */ }
        .match-row { flex-wrap: wrap; gap: 8px; }
        .m-teams { flex-basis: 100%; order: 3; margin-top: 5px; }
        .m-action { margin-left: auto; }
    }