* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
        font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
        background: #1e1e1e; 
        color: #ccc;
        font-size: 14px;
        line-height: 1.6;
        scroll-behavior: smooth;
    }
    a { text-decoration: none; color: inherit; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

    /* ===== 顶部通栏 ===== */
    .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; }
    .topbar a:hover { color: #e63946; }

    /* ===== 头部导航 ===== */
    .header {
        background: #181818;
        color: #fff;
        padding: 10px 0; /* 稍微减小上下内边距，让Logo显得更大 */
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid #333;
    }
    .header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }
    
    /* Logo 图片样式 */
    .logo-img {
        height: 46px; /* 控制高度，宽度自适应 */
        display: block;
    }

    .nav { display: flex; gap: 4px; flex-wrap: wrap; }
    .nav a {
        padding: 8px 18px;
        border-radius: 6px;
        font-size: 15px;
        color: #aaa;
        transition: all .2s;
    }
    .nav a:hover { color: #fff; background: #333; }
    .nav a.active { color: #fff; background: #e63946; font-weight: 600; }
    
    .search-box {
        display: flex;
        align-items: center;
        background: #222;
        border: 1px solid #444;
        border-radius: 20px;
        padding: 4px 6px 4px 14px;
    }
    .search-box input {
        background: transparent;
        border: none;
        outline: none;
        color: #fff;
        width: 130px;
        font-size: 13px;
    }
    .search-box input::placeholder { color: #666; }
    
    /* 纯 CSS 搜索图标 */
    .search-box button {
        background: #e63946;
        border: none;
        color: transparent;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        cursor: pointer;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .search-box button::before {
        content: "";
        width: 10px;
        height: 10px;
        border: 2px solid #fff;
        border-radius: 50%;
        position: absolute;
        top: 7px;
        left: 7px;
    }
    .search-box button::after {
        content: "";
        width: 6px;
        height: 2px;
        background: #fff;
        position: absolute;
        bottom: 8px;
        right: 6px;
        transform: rotate(45deg);
    }

    /* ===== 栏目标题 ===== */
    .section-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
    }
    .section-title h2 {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .section-title h2::before {
        content: "";
        width: 4px; height: 20px;
        background: #e63946;
        border-radius: 2px;
        display: inline-block;
    }
    .section-title .view-all { font-size: 13px; color: #888; }
    .section-title .view-all:hover { color: #e63946; }

    /* ===== 最新资讯 ===== */
    .news-section { margin-top: 24px; }
    .news-grid-top {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        margin-bottom: 12px;
    }
    .news-card {
        position: relative;
        border-radius: 6px;
        overflow: hidden;
        background: #2a2a2a;
        cursor: pointer;
        height: 160px;
    }
    .news-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .3s;
    }
    .news-card:hover img { transform: scale(1.05); }
    .news-card::after {
        content: "";
        position: absolute; inset: 0;
        background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
    }
    .news-tag {
        position: absolute;
        top: 8px; left: 8px;
        background: #e63946;
        color: #fff;
        font-size: 11px;
        padding: 2px 6px;
        border-radius: 3px;
        z-index: 2;
    }
    .news-title {
        position: absolute;
        bottom: 10px;
        left: 10px;
        right: 10px;
        color: #fff;
        font-size: 14px;
        font-weight: bold;
        line-height: 1.4;
        z-index: 2;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* 底部列表 */
    .news-list-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .news-list-item {
        display: flex;
        align-items: stretch;
        background: #252525;
        border-radius: 6px;
        overflow: hidden;
        cursor: pointer;
        transition: background .2s;
        height: 64px;
    }
    .news-list-item:hover { background: #333; }
    .news-thumb {
        width: 72px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .news-thumb.c-blue { background: linear-gradient(135deg, #1f6feb, #3b82f6); }
    .news-thumb.c-green { background: linear-gradient(135deg, #10b981, #059669); }
    .news-thumb.c-red { background: linear-gradient(135deg, #e63946, #c1121f); }

    .news-info {
        flex: 1;
        padding: 8px 12px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-width: 0;
    }
    .news-list-title {
        font-size: 14px;
        color: #e6edf3;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 12px;
        color: #888;
    }
    .league-tag {
        border: 1px solid #444;
        padding: 1px 6px;
        border-radius: 3px;
        color: #aaa;
    }

    /* ===== 阶梯过渡（-1,2,3,4 色阶） ===== */
    .stair-banner {
        margin-top: 30px;
        display: flex;
        height: 42px;
        border-radius: 6px 6px 0 0;
        overflow: hidden;
    }
    .stair-step {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: bold;
        color: #fff;
        position: relative;
        cursor: pointer;
        transition: opacity .2s;
    }
    .stair-step:hover { opacity: 0.9; }
    .stair-step.s-1 { background: #e63946; clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%); z-index: 4; }
    .stair-step.s-2 { background: #c1121f; clip-path: polygon(5% 0, 100% 0, 95% 100%, 0% 100%); margin-left: -2%; z-index: 3; }
    .stair-step.s-3 { background: #8c0e19; clip-path: polygon(5% 0, 100% 0, 95% 100%, 0% 100%); margin-left: -2%; z-index: 2; }
    .stair-step.s-4 { background: #5c0810; clip-path: polygon(5% 0, 100% 0, 100% 100%, 0% 100%); margin-left: -2%; z-index: 1; }

    /* ===== 主区域：热门比赛 + 右录像/集锦 ===== */
    .main-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
        gap: 22px;
        align-items: start;
    }

    /* 热门比赛 */
    .match-list {
        background: #252525;
        border-radius: 0 0 8px 8px;
        overflow: hidden;
        border: 1px solid #333;
        border-top: none;
    }
    .match-date {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        background: #2a2a2a;
        padding: 10px 16px;
        border-left: 4px solid #e63946;
        border-bottom: 1px solid #333;
    }
    .match-item {
        display: flex;
        align-items: center;
        padding: 12px 16px;
        border-bottom: 1px solid #333;
        transition: background .2s;
    }
    .match-item:last-child { border-bottom: none; }
    .match-item:hover { background: #333; }
    .match-time { width: 70px; font-weight: 700; color: #e63946; font-size: 14px; flex-shrink: 0; }
    .match-league { width: 110px; color: #888; font-size: 13px; flex-shrink: 0; }
    .match-teams { flex: 1; display: flex; align-items: center; gap: 8px; font-size: 14.5px; color: #e6edf3; min-width: 0; }
    .match-teams span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .match-teams .vs { color: #666; font-size: 12px; margin: 0 4px; }
    .match-action { flex-shrink: 0; margin-left: 10px; }
    .btn-live {
        display: inline-block;
        background: #e63946;
        color: #fff;
        font-size: 12.5px;
        padding: 5px 14px;
        border-radius: 20px;
        transition: background .2s;
        white-space: nowrap;
    }
    .btn-live:hover { background: #c1121f; }

    /* 右侧：录像 + 集锦 */
    .col-right { position: sticky; top: 92px; align-self: start; }
    .side-block { margin-bottom: 22px; }
    .side-list { background: #252525; border-radius: 8px; overflow: hidden; border: 1px solid #333; }
    .side-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid #333; transition: background .2s; }
    .side-item:last-child { border-bottom: none; }
    .side-item:hover { background: #333; }
    
    /* 纯 CSS 三角形播放图标 */
    .side-thumb { 
        width: 76px; height: 52px; border-radius: 4px; flex-shrink: 0; 
        display: flex; align-items: center; justify-content: center; 
        position: relative; 
    }
    .side-thumb.replay { background: linear-gradient(135deg, #5c626b, #000000); }
    .side-thumb.highlight { background: linear-gradient(135deg, #e63946, #ff7a85); }
    
    .side-thumb::before {
        content: "";
        display: block;
        width: 0; height: 0;
        border-style: solid;
        border-width: 8px 0 8px 14px;
        border-color: transparent transparent transparent rgba(255,255,255,0.9);
        margin-left: 4px;
    }

    .side-thumb .dur { position: absolute; right: 4px; bottom: 4px; background: rgba(0,0,0,.65); font-size: 10px; padding: 0 4px; border-radius: 3px; line-height: 1.5; }
    .side-body { flex: 1; min-width: 0; }
    .side-title { font-size: 13.5px; font-weight: 700; color: #e6edf3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 3px; }
    .side-teams { font-size: 12px; color: #888; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .side-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 3px; font-size: 11px; color: #666; }
    .tag-replay { color: #3b82f6; }
    .tag-highlight { color: #ff7a85; }

    /* ===== TAGS 标签模块 ===== */
    .tags-section {
        margin-top: 40px;
        padding: 24px;
        background: #222;
        border-radius: 8px;
        border: 1px solid #333;
    }
    .tags-title {
        font-size: 16px;
        color: #fff;
        font-weight: bold;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .tags-title::before {
        content: "";
        width: 4px; height: 16px;
        background: #e63946;
        border-radius: 2px;
    }
    .tags-list {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .tag-item {
        display: inline-block;
        background: #2a2a2a;
        color: #aaa;
        font-size: 13px;
        padding: 6px 16px;
        border-radius: 4px;
        border: 1px solid #333;
        transition: all .2s;
    }
    .tag-item:hover {
        background: #e63946;
        color: #fff;
        border-color: #e63946;
    }

    /* ===== 底部 ===== */
    .footer {
        background: #111;
        color: #666;
        margin-top: 30px;
        padding: 36px 0 24px;
        font-size: 13px;
        border-top: 1px solid #222;
    }
    .footer .container { display: flex; flex-direction: column; gap: 20px; }
    .footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
    .footer-brand { max-width: 380px; }
    
    .footer-brand .logo-img {
        height: 38px;
        margin-bottom: 10px;
    }
    .footer-brand p { font-size: 12px; line-height: 1.8; }
    
    .footer-links { display: flex; gap: 60px; flex-wrap: wrap; }
    .footer-links h4 { color: #ccc; font-size: 14px; margin-bottom: 12px; }
    .footer-links a { display: block; font-size: 12px; color: #666; padding: 4px 0; }
    .footer-links a:hover { color: #e63946; }
    .footer-bottom { border-top: 1px solid #222; padding-top: 18px; text-align: center; font-size: 12px; }

    /* ===== 响应式 ===== */
    @media (max-width: 1080px) {
        .news-grid-top { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 900px) {
        .main-grid { grid-template-columns: 1fr; }
        .col-right { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .side-block { margin-bottom: 0; }
    }
    @media (max-width: 860px) {
        .nav { order: 3; width: 100%; justify-content: center; }
        .search-box { display: none; }
        .news-list-grid { grid-template-columns: 1fr; }
        .match-league { width: 90px; }
    }
    @media (max-width: 640px) {
        .col-right { grid-template-columns: 1fr; }
        .side-block { margin-bottom: 18px; }
        .match-item { flex-wrap: wrap; gap: 6px; }
        .match-teams { flex-basis: 100%; order: 3; }
        .match-action { margin-left: auto; }
        .news-grid-top { grid-template-columns: 1fr; }
    }