/* --- 1. 基础变量与重置 --- */
        :root {
            --primary: #00e676; /* 荧光绿 - 高级感主色 */
            --primary-hover: #00c853;
            --bg-body: #121212;
            --bg-card: #1e1e1e;
            --bg-nav: #1f1f1f;
            --text-main: #ffffff;
            --text-sub: #b0b0b0;
            --border: #333333;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; outline: none; }
        body { font-family: var(--font-main); background-color: var(--bg-body); color: var(--text-main); line-height: 1.6; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }

        /* --- 2. 头部与导航 (核心复杂部分) --- */
        header { background-color: var(--bg-nav); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.3); }
        
        /* 顶部 Logo 区 */
        .top-bar { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; height: 65px; }
        .logo { font-size: 26px; font-weight: 900; letter-spacing: 1px; color: #fff; }
        .logo span { color: var(--primary); }
        .menu-toggle { display: none; font-size: 24px; cursor: pointer; color: #fff; }

        /* 主导航 */
        .main-nav { display: flex; height: 100%; }
        .nav-menu { display: flex; gap: 0; height: 100%; }
        .nav-item { position: relative; height: 100%; display: flex; align-items: center; }
        .nav-link { padding: 0 20px; height: 100%; display: flex; align-items: center; font-size: 15px; font-weight: 500; color: var(--text-main); }
        .nav-link:hover { color: var(--primary); background: #2a2a2a; }

        /* 下拉菜单动画 */
        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #252525;
            min-width: 220px;
            border-top: 2px solid var(--primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 999;
        }
        /* 悬停显示与缩放 */
        .nav-item:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
        
        .submenu li { border-bottom: 1px solid #333; }
        .submenu a { display: block; padding: 12px 20px; font-size: 14px; color: var(--text-sub); }
        .submenu a:hover { background: #333; color: var(--primary); padding-left: 25px; }

        /* 三级菜单 */
        .has-submenu > .submenu .has-submenu { position: static; }
        .has-submenu > .submenu .has-submenu > .submenu { top: 0; left: 100%; border-top: none; border-left: 2px solid var(--primary); margin-top: -1px; }

        /* --- 3. Banner 下子导航 --- */
        .sub-nav-bar { background: #181818; border-bottom: 1px solid var(--border); padding: 10px 0; }
        .sub-nav-inner { max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; }
        .sub-nav-link { font-size: 13px; color: var(--text-sub); padding: 4px 10px; border-radius: 4px; background: #222; }
        .sub-nav-link:hover { background: var(--primary); color: #000; }

        /* --- 4. 布局容器 --- */
        .container { max-width: 1400px; margin: 0 auto; padding: 30px 20px; }

        /* --- 5. 焦点图 (Hero) --- */
        .hero-section { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 40px; }
        .hero-card { position: relative; border-radius: 8px; overflow: hidden; height: 360px; group: hover; }
        .hero-img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .hero-card:hover .hero-img { transform: scale(1.05); }
        .hero-content { position: absolute; bottom: 0; left: 0; width: 100%; padding: 25px; background: linear-gradient(to top, rgba(0,0,0,0.9), transparent); }
        .hero-title { font-size: 24px; font-weight: bold; margin-bottom: 5px; }
        .hero-list .hero-card { height: 175px; margin-bottom: 20px; }
        .hero-list .hero-card:last-child { margin-bottom: 0; }

        /* --- 6. 赛事列表 --- */
        .section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
        .section-title { font-size: 20px; border-left: 4px solid var(--primary); padding-left: 12px; font-weight: bold; }
        .match-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-bottom: 50px; }
        
        .match-card { background: var(--bg-card); border-radius: 8px; padding: 25px; border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; align-items: center; }
        .match-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0, 230, 118, 0.1); }
        .match-league { font-size: 12px; color: #666; width: 100%; text-align: left; margin-bottom: 15px; display: flex; align-items: center; }
        .match-league::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; margin-right: 8px; }
        
        .teams { display: flex; justify-content: space-between; width: 100%; align-items: center; margin-bottom: 15px; }
        .team { text-align: center; flex: 1; }
        .team-name { font-size: 15px; font-weight: 500; }
        .score { font-size: 22px; font-weight: bold; font-family: Arial; color: var(--primary); background: #121212; padding: 5px 12px; border-radius: 4px; }
        .match-status { font-size: 12px; color: #ff4444; margin-bottom: 15px; font-weight: bold; }
        
        .btn-watch { width: 100%; text-align: center; padding: 10px; background: #333; color: #fff; border-radius: 4px; font-weight: 500; transition: 0.2s; }
        .match-card:hover .btn-watch { background: var(--primary); color: #000; }

        /* --- 7. 资讯板块 --- */
        .news-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
        .news-item { display: flex; gap: 15px; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #222; }
        .news-thumb { width: 140px; height: 90px; border-radius: 4px; object-fit: cover; flex-shrink: 0; background: #333; }
        .news-info h3 { font-size: 16px; margin-bottom: 8px; line-height: 1.4; font-weight: bold; }
        .news-info h3:hover { color: var(--primary); }
        .news-meta { font-size: 12px; color: #666; }

        /* --- 8. 底部 --- */
        footer { background: #0a0a0a; padding: 40px 0; margin-top: 50px; text-align: center; color: #666; border-top: 1px solid #222; }

        /* --- 9. 响应式设计 (移动端适配) --- */
        @media (max-width: 992px) {
            .hero-section { grid-template-columns: 1fr; }
            .hero-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .hero-list .hero-card { margin: 0; height: 200px; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .main-nav { position: absolute; top: 65px; left: 0; width: 100%; background: #1f1f1f; border-bottom: 1px solid #333; max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; }
            .main-nav.active { max-height: 600px; overflow-y: auto; }
            
            .nav-menu { flex-direction: column; height: auto; }
            .nav-item { height: auto; width: 100%; border-bottom: 1px solid #2a2a2a; }
            .nav-link { padding: 15px 20px; justify-content: space-between; }
            
            /* 移动端下拉菜单重置 */
            .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: #181818; display: none; }
            .nav-item.open > .submenu { display: block; }
            .has-submenu > .submenu .has-submenu > .submenu { border-left: none; border-top: 1px solid #333; }
            
            .sub-nav-bar { display: none; } /* 移动端隐藏子导航条 */
            .match-grid { grid-template-columns: 1fr; }
            .news-section { grid-template-columns: 1fr; }
            .news-thumb { width: 100px; height: 70px; }
        }
		/* --- 资讯板块：三列列表布局 --- */
        .news-columns-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr); /* 强制一行三列 */
            gap: 20px;
            margin-bottom: 50px;
        }

        .news-column-box {
            background: var(--bg-card);
            border-radius: 8px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 350px; /* 固定高度，保持整齐 */
        }

        .news-column-header {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border);
            background: #252525;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-column-header h3 {
            font-size: 18px;
            font-weight: bold;
            margin: 0;
            display: flex;
            align-items: center;
        }
        
        /* 不同板块的标题颜色点缀 */
        .news-column-header h3::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--primary);
            margin-right: 10px;
            border-radius: 2px;
        }
        
        .news-column-header.different h3::before { background: #ff4444; } /* 篮球用红色 */
        .news-column-header.different-2 h3::before { background: #448aff; } /* 综合用蓝色 */

        .news-column-header a {
            font-size: 12px;
            color: #666;
        }
        .news-column-header a:hover { color: var(--primary); }

        .news-column-list {
            padding: 10px 0;
            overflow-y: auto; /* 内容过多时内部滚动 */
            flex: 1;
        }

        .news-column-list li {
            padding: 10px 20px;
            border-bottom: 1px solid #222;
            transition: 0.2s;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .news-column-list li:last-child { border-bottom: none; }
        .news-column-list li:hover { background: #252525; padding-left: 25px; }
        
        .news-column-list a {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.5;
            flex: 1;
        }
        .news-column-list a:hover { color: var(--primary); }
        
        .news-time {
            font-size: 12px;
            color: #555;
            white-space: nowrap;
            margin-left: 5px;
        }

        /* --- 响应式适配 --- */
        @media (max-width: 992px) {
            .news-columns-container { grid-template-columns: repeat(2, 1fr); } /* 平板一行两个 */
        }

        @media (max-width: 768px) {
            .news-columns-container { grid-template-columns: 1fr; } /* 手机一行一个 */
            .news-column-box { height: auto; max-height: 400px; }
        }
		        /* --- 底部样式 --- */
        footer {
            background-color: #181818;
            border-top: 1px solid #333;
            padding: 50px 0 20px;
            margin-top: 50px;
            color: #999;
        }

        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部四列布局 */
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h3 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
            font-weight: bold;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #888;
            font-size: 14px;
            transition: 0.2s;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px; /* 悬停微动效 */
        }

        /* 友情链接区域 */
        .footer-links-seo {
            border-top: 1px solid #2a2a2a;
            border-bottom: 1px solid #2a2a2a;
            padding: 20px 0;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .footer-links-seo h4 {
            color: #fff;
            font-size: 14px;
            font-weight: normal;
            white-space: nowrap;
        }

        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }

        .link-list a {
            color: #666;
            font-size: 12px;
            transition: 0.2s;
        }

        .link-list a:hover {
            color: var(--primary);
        }

        /* 底部版权信息 */
        .footer-bottom {
            text-align: center;
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 5px 0;
        }

        .footer-bottom a {
            color: #999;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr); /* 平板两列 */
                gap: 30px;
            }
        }

        @media (max-width: 500px) {
            .footer-grid {
                grid-template-columns: 1fr; /* 手机一列 */
                gap: 20px;
            }
            .footer-links-seo {
                flex-direction: column;
                align-items: flex-start;
            }
            .link-list {
                gap: 10px;
            }
        }