* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
        font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
        background: #141414;
        color: #ccc;
        font-size: 14px;
        line-height: 1.6;
    }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* ================= 1. 顶部导航 ================= */
    .topbar {
        background: #0a0a0a;
        color: #777;
        font-size: 12px;
        padding: 6px 0;
        border-bottom: 1px solid #222;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; max-width: 1280px; margin: 0 auto; padding: 0 20px;}
    .topbar a:hover { color: #e63946; }

    .header {
        background: #181818;
        padding: 12px 0;
        position: sticky; top: 0; z-index: 100;
        border-bottom: 1px solid #2a2a2a;
        box-shadow: 0 4px 20px rgba(0,0,0,0.6);
    }
    .header .container {
        max-width: 1280px; margin: 0 auto; padding: 0 20px;
        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: #2a2a2a; }
    .nav a.active { color: #fff; background: #e63946; }

    /* ================= 布局主体 (左侧导航 + 右侧内容) ================= */
    .main-container {
        max-width: 1280px;
        margin: 24px auto;
        padding: 0 20px;
        display: flex;
        gap: 24px;
        align-items: flex-start;
    }

    /* ================= 2. 左侧侧边栏 ================= */
    .sidebar {
        width: 220px;
        background: #1c1c1c;
        border-radius: 8px;
        border: 1px solid #333;
        overflow: hidden;
        flex-shrink: 0;
        position: sticky;
        top: 90px;
    }
    .sidebar-title {
        background: #252525; 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 #252525; }
    .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: #252525; color: #e63946; padding-left: 24px;
    }

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

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

    /* ---------- A. 焦点大图 (Hero) ---------- */
    .hero-section {
        position: relative;
        height: 320px;
        border-radius: 12px;
        overflow: hidden;
        background: #222 url('https://images.unsplash.com/photo-1522778119026-d647f0596c20?auto=format&fit=crop&q=80&w=1200') center/cover;
        border: 1px solid #333;
        margin-bottom: 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .hero-section::before {
        content: ""; position: absolute; inset: 0;
        background: linear-gradient(to bottom, rgba(20,20,20,0.3) 0%, rgba(20,20,20,0.95) 100%);
        z-index: 1;
    }
    .hero-content {
        position: relative; z-index: 2; text-align: center; width: 100%; padding: 0 20px;
    }
    .hero-tag {
        background: #e63946; color: #fff; font-size: 13px; font-weight: bold;
        padding: 4px 12px; border-radius: 4px; display: inline-block; margin-bottom: 20px;
        box-shadow: 0 4px 10px rgba(230,57,70,0.4);
    }
    .hero-league { color: #aaa; font-size: 14px; margin-bottom: 16px; }
    
    .hero-teams { display: flex; align-items: center; justify-content: center; gap: 30px; margin-bottom: 20px; }
    .hero-team { display: flex; flex-direction: column; align-items: center; gap: 10px; width: 140px; }
    .hero-logo {
        width: 70px; height: 70px; background: #fff; border-radius: 50%; padding: 10px;
        display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    }
    .hero-logo img { width: 100%; height: 100%; object-fit: contain; }
    .hero-team span { color: #fff; font-size: 20px; font-weight: 900; }

    .hero-vs { font-size: 32px; font-weight: 900; font-style: italic; color: #e63946; }
    
    .hero-btn {
        background: linear-gradient(135deg, #e63946, #c1121f);
        color: #fff; font-size: 15px; font-weight: bold;
        padding: 10px 36px; border-radius: 30px; border: none; cursor: pointer;
        box-shadow: 0 6px 20px rgba(230,57,70,0.4); transition: 0.3s;
    }
    .hero-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(230,57,70,0.6); }

    /* ---------- B. 赛事简介 ---------- */
    .intro-box {
        background: #1c1c1c; border: 1px solid #333; border-radius: 8px;
        padding: 24px; margin-bottom: 24px; color: #aaa; font-size: 14px; line-height: 1.8;
    }
    .intro-box h3 { color: #fff; font-size: 16px; margin-bottom: 10px; font-weight: bold; }
    .intro-box p { margin-bottom: 10px; }
    .intro-box p:last-child { margin-bottom: 0; }

    /* ---------- C. 新增：Zhibo8 动画直播 iframe 容器 ---------- */
    .animate-live-wrapper {
        width: 100%;
        background: #181818;
        border: 1px solid #333;
        border-radius: 8px;
        overflow: hidden;
        margin-bottom: 24px;
        /* 让 iframe 居中且自适应 */
        display: flex;
        justify-content: center; 
        padding: 10px;
    }
    
    .animate-live-wrapper iframe {
        /* 关键：替换掉固定的 830px，改为最大 100% 宽度，保证手机端不乱跑 */
        width: 100%;
        max-width: 830px;
        height: 460px;
        border-radius: 4px;
        border: none;
        background: #000;
    }

    /* ---------- D. 信号直播 ---------- */
    .live-signal-box {
        background: #181818; border: 1px solid #333; border-radius: 8px;
        margin-bottom: 30px; overflow: hidden;
    }
    .live-header {
        background: #222; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #333;
    }
    .live-header-left { display: flex; align-items: center; gap: 10px; }
    .live-header-left .dot {
        width: 8px; height: 8px; background: #e63946; border-radius: 50%; animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
        0% { box-shadow: 0 0 0 0 rgba(230,57,70,0.7); }
        70% { box-shadow: 0 0 0 10px rgba(230,57,70,0); }
        100% { box-shadow: 0 0 0 0 rgba(230,57,70,0); }
    }
    .live-header-left h3 { color: #fff; font-size: 15px; font-weight: bold; }
    .live-header-right { color: #888; font-size: 13px; }

    .signal-list {
        display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px;
        padding: 20px;
    }
    .signal-item {
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        background: #222; border: 1px solid #444; border-radius: 6px; padding: 14px;
        cursor: pointer; transition: all 0.2s;
    }
    .signal-item:hover {
        background: #2a2a2a; border-color: #e63946; transform: translateY(-2px);
    }
    .signal-name { color: #eee; font-size: 14px; font-weight: bold; margin-bottom: 4px; }
    .signal-quality { color: #3b82f6; font-size: 12px; }
    .signal-item.active { background: rgba(230,57,70,0.1); border-color: #e63946; }
    .signal-item.active .signal-name { color: #e63946; }
    .signal-item.active .signal-quality { color: #ff7a85; }

    /* ---------- E. 最近赛事列表 ---------- */
    .recent-list { display: flex; flex-direction: column; gap: 12px; }
    .recent-item {
        display: flex; align-items: center; background: #1c1c1c;
        border-radius: 8px; padding: 16px 20px; border: 1px solid #333; transition: all 0.2s; text-decoration: none;
    }
    .recent-item:hover { background: #252525; border-color: #555; transform: translateX(4px); }
    
    .recent-time { width: 120px; flex-shrink: 0; }
    .recent-league { color: #3b82f6; font-size: 12px; font-weight: bold; margin-bottom: 4px; }
    .recent-date { color: #fff; font-size: 14px; font-weight: bold; }
    
    .recent-teams { flex: 1; display: flex; align-items: center; justify-content: center; gap: 16px; }
    .recent-team { display: flex; align-items: center; gap: 10px; color: #eee; font-size: 15px; font-weight: bold; width: 150px; }
    .recent-team.away { flex-direction: row-reverse; text-align: right; }
    .recent-team .logo-wrap { width: 32px; height: 32px; background: #fff; border-radius: 50%; padding: 4px; display: flex; align-items: center; justify-content: center; }
    .recent-team img { width: 100%; height: 100%; object-fit: contain; }
    .recent-vs { color: #e63946; font-weight: 900; font-style: italic; }
    
    .recent-action { width: 100px; flex-shrink: 0; text-align: right; }
    .btn-recent {
        background: transparent; color: #aaa; border: 1px solid #555;
        padding: 6px 16px; border-radius: 20px; font-size: 13px; cursor: pointer; transition: 0.2s;
    }
    .recent-item:hover .btn-recent { border-color: #e63946; color: #e63946; background: rgba(230,57,70,0.1); }

    /* ================= 底部说明 ================= */
    .footer {
        background: #0a0a0a; padding: 40px 0; margin-top: 60px; 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; padding: 0 12px; margin: 15px auto; }
        .nav { display: none; }
        .sidebar { width: 100%; position: static; margin-bottom: 20px; }
        .sidebar-title { padding: 10px 16px; font-size: 15px; }
        .sidebar-menu { display: flex; flex-wrap: wrap; background: #1c1c1c; }
        .sidebar-menu li { width: 50%; border-bottom: 1px solid #252525; border-right: 1px solid #252525; }
        .sidebar-menu li:nth-child(2n) { border-right: none; }
        .sidebar-menu a { justify-content: center; padding: 12px 10px; font-size: 14px; }
        .sidebar-menu a:hover { padding-left: 10px; }

        .hero-section { height: auto; padding: 30px 15px; }
        .hero-teams { gap: 15px; margin-bottom: 25px; }
        .hero-team { width: 100px; }
        .hero-logo { width: 60px; height: 60px; padding: 8px; }
        .hero-team span { font-size: 16px; }
        .hero-vs { font-size: 26px; }
        .hero-btn { width: 100%; padding: 12px 0; font-size: 16px; }

        .intro-box { padding: 16px; font-size: 13.5px; }

        /* 手机端动画直播调整高度，防止太长了 */
        .animate-live-wrapper iframe {
            height: 300px; 
        }

        .signal-list { grid-template-columns: repeat(2, 1fr); padding: 15px; gap: 10px; }
        .signal-item { padding: 12px 8px; }

        .recent-item { flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px; }
        .recent-time { width: 100%; display: flex; gap: 10px; align-items: center; border-bottom: 1px solid #333; padding-bottom: 8px; }
        .recent-league { margin-bottom: 0; }
        .recent-teams { width: 100%; justify-content: space-between; gap: 10px; }
        .recent-team { width: auto; flex-direction: column; text-align: center; font-size: 13px; gap: 6px; }
        .recent-team.away { flex-direction: column; text-align: center; }
        .recent-action { width: 100%; }
        .btn-recent { width: 100%; text-align: center; padding: 10px 0; font-size: 14px; }
    }