/* huifangshow 页面特有样式 */
:root{--yellow:#F5C518;--yellow-dark:#c9a210;--yellow-light:#fdf8e0;--yellow-deep:#e6b400;--red:#ef4444;--green:#22c55e;--blue:#0ea5e9;--blue-dark:#0284c7;--blue-light:#eff8ff;--t1:#1a1a1a;--t2:#555;--t3:#999;--t4:#ccc;--bdr:rgba(0,0,0,.08);--bdr2:rgba(0,0,0,.12);--shadow:0 1px 8px rgba(0,0,0,.04);--shadow-md:0 4px 20px rgba(0,0,0,.06);--shadow-lg:0 8px 36px rgba(0,0,0,.08);--rs:12px}
.ehappyclasstech-nav-item>a{font-size:13.5px;font-weight:500;padding:7px 20px;border:1.5px solid var(--bdr2);border-radius:8px;color:var(--t2);transition:all .25s ease;display:flex;align-items:center;gap:6px;background:transparent;white-space:nowrap}
.ehappyclasstech-nav-item>a .ehappyclasstech-arr{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid var(--t3);transition:transform .25s,border-color .25s;margin-top:2px}
.ehappyclasstech-nav-item:hover>a,.ehappyclasstech-nav-item.ehappyclasstech-active>a{color:var(--t1);border-color:var(--yellow);background:var(--yellow-light);font-weight:600}
.ehappyclasstech-nav-item:hover>a .ehappyclasstech-arr,.ehappyclasstech-nav-item.ehappyclasstech-active>a .ehappyclasstech-arr{transform:rotate(180deg);border-top-color:var(--yellow-dark)}
.ehappyclasstech-nav-item.ehappyclasstech-active>a{background:var(--yellow);border-color:var(--yellow-dark);box-shadow:0 2px 10px rgba(245,197,24,.25)}
.ehappyclasstech-nav-dropdown{position:absolute;top:100%;left:0;margin-top:8px;width:max-content;min-width:150px;background:#fff;border-radius:12px;padding:6px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .22s cubic-bezier(.4,0,.2,1);pointer-events:none;z-index:200;box-shadow:0 8px 32px rgba(0,0,0,.1);border:1px solid rgba(0,0,0,.06)}
.ehappyclasstech-nav-dropdown::before{content:'';position:absolute;top:-6px;left:20px;width:12px;height:12px;background:#fff;transform:rotate(45deg);border-top:1px solid rgba(0,0,0,.06);border-left:1px solid rgba(0,0,0,.06)}
.ehappyclasstech-nav-item:hover .ehappyclasstech-nav-dropdown{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.ehappyclasstech-nav-dropdown a{display:block;padding:10px 16px;border-radius:8px;font-size:13px;color:var(--t2);transition:all .2s;white-space:nowrap;border:1px solid transparent}
.ehappyclasstech-nav-dropdown a:hover{color:var(--t1);background:var(--yellow-light);border-color:rgba(245,197,24,.15)}
.ehappyclasstech-mobile-nav-link{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-radius:10px;font-size:15px;font-weight:500;color:var(--t2);transition:.2s;cursor:pointer;border:1px solid transparent}
.ehappyclasstech-mobile-nav-link .ehappyclasstech-m-arr{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid var(--t3);transition:transform .25s;flex-shrink:0}
.ehappyclasstech-breadcrumb-bar{background:#fff;border-bottom:1px solid var(--bdr);padding:14px 0}
.ehappyclasstech-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap}
.ehappyclasstech-breadcrumb a{color:var(--t2);transition:.2s}
.ehappyclasstech-breadcrumb a:hover{color:var(--yellow-dark)}
.ehappyclasstech-breadcrumb .ehappyclasstech-sep{color:var(--t4)}
.ehappyclasstech-breadcrumb .ehappyclasstech-current{color:var(--t1);font-weight:500}
.ehappyclasstech-article-layout{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:28px 0 40px;align-items:start}
.ehappyclasstech-article-main{min-width:0}
.ehappyclasstech-article-card{background:#fff;border:1px solid var(--bdr);border-radius:var(--rs);box-shadow:var(--shadow);overflow:hidden}
.ehappyclasstech-article-header{padding:28px 32px 20px;border-bottom:1px solid var(--bdr)}
.ehappyclasstech-article-cat{display:inline-flex;align-items:center;gap:5px;padding:3px 12px;border-radius:20px;font-size:11px;font-weight:700;margin-bottom:14px;background:var(--blue-light);color:var(--blue);border:1px solid rgba(14,165,233,.15)}
.ehappyclasstech-article-cat img{width:14px;height:14px;object-fit:contain;border-radius:3px}
.ehappyclasstech-article-h1{font-family:'Noto Serif SC',serif;font-size:24px;font-weight:700;color:var(--t1);line-height:1.5;margin-bottom:16px}
.ehappyclasstech-article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--t3)}
.ehappyclasstech-article-meta .ehappyclasstech-meta-item{display:flex;align-items:center;gap:4px}
.ehappyclasstech-article-meta svg{width:13px;height:13px;opacity:.6}
.ehappyclasstech-article-meta .ehappyclasstech-sep{color:var(--t4)}
.ehappyclasstech-video-player-wrap{position:relative;width:100%;aspect-ratio:16/9;background:#000;overflow:hidden}
.ehappyclasstech-video-poster{position:absolute;inset:0;z-index:2;cursor:pointer}
.ehappyclasstech-video-poster img{width:100%;height:100%;object-fit:cover}
.ehappyclasstech-video-poster::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.5) 0%,rgba(0,0,0,.15) 40%,rgba(0,0,0,.3) 100%)}
.ehappyclasstech-video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:68px;height:68px;background:rgba(14,165,233,.92);border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:3;box-shadow:0 4px 28px rgba(14,165,233,.4);transition:.25s}
.ehappyclasstech-video-play-btn svg{width:28px;height:28px;color:#fff;margin-left:3px}
.ehappyclasstech-video-poster:hover .ehappyclasstech-video-play-btn{transform:translate(-50%,-50%) scale(1.1);box-shadow:0 6px 36px rgba(14,165,233,.55)}
.ehappyclasstech-video-duration{position:absolute;bottom:12px;right:14px;background:rgba(0,0,0,.75);color:#fff;font-family:'DM Mono',monospace;font-size:12px;padding:3px 10px;border-radius:4px;z-index:3}
.ehappyclasstech-video-quality{position:absolute;top:12px;left:14px;background:rgba(14,165,233,.9);color:#fff;font-size:10px;font-weight:700;padding:3px 10px;border-radius:4px;z-index:3;font-family:'DM Mono',monospace}
.ehappyclasstech-video-controls{position:absolute;bottom:0;left:0;right:0;padding:12px 14px;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 100%);z-index:3;display:flex;align-items:center;gap:10px;opacity:0;transition:.3s}
.ehappyclasstech-video-player-wrap:hover .ehappyclasstech-video-controls{opacity:1}
.ehappyclasstech-video-ctrl-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:#fff;transition:.2s;border-radius:4px}
.ehappyclasstech-video-ctrl-btn:hover{background:rgba(255,255,255,.15)}
.ehappyclasstech-video-ctrl-btn svg{width:16px;height:16px}
.ehappyclasstech-video-progress{flex:1;height:3px;background:rgba(255,255,255,.2);border-radius:2px;position:relative;cursor:pointer}
.ehappyclasstech-video-progress-fill{height:100%;background:var(--blue);border-radius:2px;width:35%}
.ehappyclasstech-video-progress:hover .ehappyclasstech-video-progress-fill{height:4px;margin-top:-.5px}
.ehappyclasstech-video-time{font-family:'DM Mono',monospace;font-size:11px;color:rgba(255,255,255,.7);white-space:nowrap}
.ehappyclasstech-video-player-wrap.ehappyclasstech-playing .ehappyclasstech-video-poster{opacity:0;pointer-events:none;transition:.4s}
.ehappyclasstech-video-player-wrap.ehappyclasstech-playing .ehappyclasstech-video-play-btn{display:none}
.ehappyclasstech-article-body{padding:28px 32px;line-height:2;font-size:15px;color:var(--t2)}
.ehappyclasstech-article-body p{margin-bottom:18px}
.ehappyclasstech-article-body p:last-child{margin-bottom:0}
.ehappyclasstech-article-body strong{color:var(--t1);font-weight:700}
.ehappyclasstech-article-body h2{font-family:'Noto Serif SC',serif;font-size:18px;font-weight:700;color:var(--t1);margin:28px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--bdr);line-height:1.5}
.ehappyclasstech-article-body h2:first-child{margin-top:0}
.ehappyclasstech-article-body blockquote{margin:18px 0;padding:14px 18px;background:var(--blue-light);border-left:4px solid var(--blue);border-radius:0 8px 8px 0;font-size:14px;color:var(--t1);font-style:italic;line-height:1.7}
.ehappyclasstech-article-body a{color:var(--blue);font-weight:600;border-bottom:1px solid rgba(14,165,233,.3);transition:.2s}
.ehappyclasstech-article-body a:hover{border-bottom-color:var(--blue)}
.ehappyclasstech-article-body ul,.ehappyclasstech-article-body ol{margin:12px 0 18px 20px}
.ehappyclasstech-article-body li{margin-bottom:6px}
.ehappyclasstech-article-tags{display:flex;flex-wrap:wrap;gap:8px;padding:20px 32px;border-top:1px solid var(--bdr)}
.ehappyclasstech-article-tag{padding:4px 12px;background:#f5f5f0;border:1px solid var(--bdr);border-radius:20px;font-size:11px;color:var(--t2);transition:.2s;cursor:pointer}
.ehappyclasstech-article-tag:hover{border-color:var(--blue);background:var(--blue-light);color:var(--blue)}
.ehappyclasstech-article-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.ehappyclasstech-article-nav-link{background:#fff;border:1.5px solid var(--bdr2);border-radius:var(--rs);padding:16px 18px;cursor:pointer;transition:.25s;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden}
.ehappyclasstech-article-nav-link::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--blue);opacity:0;transition:.3s}
.ehappyclasstech-article-nav-link:hover{box-shadow:var(--shadow-md);border-color:var(--blue)}
.ehappyclasstech-article-nav-link:hover::before{opacity:1}
.ehappyclasstech-article-nav-link:hover .ehappyclasstech-an-title{color:var(--blue)}
.ehappyclasstech-an-label{font-size:11px;color:var(--t3);font-weight:600}
.ehappyclasstech-an-title{font-size:13px;font-weight:600;color:var(--t1);line-height:1.5;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ehappyclasstech-article-nav-link.ehappyclasstech-next{text-align:right}
.ehappyclasstech-sidebar{position:sticky;top:80px}
.ehappyclasstech-sidebar-card{background:#fff;border:1px solid var(--bdr);border-radius:var(--rs);box-shadow:var(--shadow);overflow:hidden;margin-bottom:16px}
.ehappyclasstech-sidebar-header{padding:13px 18px;border-bottom:1px solid var(--bdr);font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.ehappyclasstech-sidebar-header .ehappyclasstech-dot{width:4px;height:14px;background:var(--yellow);border-radius:2px}
.ehappyclasstech-sb-match{display:flex;align-items:center;gap:10px;padding:11px 18px;border-bottom:1px solid var(--bdr);cursor:pointer;transition:.2s}
.ehappyclasstech-sb-match:last-child{border-bottom:none}
.ehappyclasstech-sb-match:hover{background:var(--yellow-light)}
.ehappyclasstech-sb-match .ehappyclasstech-sb-league{font-size:9px;color:var(--t3);font-weight:600;white-space:nowrap;width:28px;flex-shrink:0;text-align:center}
.ehappyclasstech-sb-match .ehappyclasstech-sb-teams{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.ehappyclasstech-sb-match .ehappyclasstech-sb-row{display:flex;align-items:center;justify-content:space-between;gap:6px}
.ehappyclasstech-sb-match .ehappyclasstech-sb-team{font-size:12px;font-weight:600;color:var(--t1);display:flex;align-items:center;gap:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ehappyclasstech-sb-match .ehappyclasstech-sb-team img{width:16px;height:16px;object-fit:contain;flex-shrink:0}
.ehappyclasstech-sb-match .ehappyclasstech-sb-sc{font-family:'DM Mono',monospace;font-size:12px;font-weight:700;flex-shrink:0;min-width:28px;text-align:center}
.ehappyclasstech-sb-match .ehappyclasstech-sb-sc.live{color:var(--red)}
.ehappyclasstech-sb-match .ehappyclasstech-sb-sc.upcoming{color:var(--t4)}
.ehappyclasstech-sb-match .ehappyclasstech-sb-time{font-family:'DM Mono',monospace;font-size:10px;color:var(--t3);text-align:center;flex-shrink:0}
.ehappyclasstech-sb-match .ehappyclasstech-sb-st{font-size:9px;font-weight:600;font-family:'DM Mono',monospace;flex-shrink:0}
.ehappyclasstech-sb-match .ehappyclasstech-sb-st.live{color:var(--red)}
.ehappyclasstech-sb-match .ehappyclasstech-sb-st.upcoming{color:var(--t3)}
.ehappyclasstech-sb-news-item{display:flex;align-items:flex-start;gap:10px;padding:11px 18px;border-bottom:1px solid var(--bdr);cursor:pointer;transition:.2s}
.ehappyclasstech-sb-news-item:last-child{border-bottom:none}
.ehappyclasstech-sb-news-item:hover{background:var(--blue-light)}
.ehappyclasstech-sb-news-num{width:20px;height:20px;background:var(--blue-light);border-radius:5px;display:flex;align-items:center;justify-content:center;font-family:'DM Mono',monospace;font-size:10px;font-weight:700;color:var(--blue);flex-shrink:0;margin-top:1px}
.ehappyclasstech-sb-news-item:nth-child(1) .ehappyclasstech-sb-news-num{background:var(--blue);color:#fff}
.ehappyclasstech-sb-news-item:nth-child(2) .ehappyclasstech-sb-news-num{background:rgba(14,165,233,.6);color:#fff}
.ehappyclasstech-sb-news-item:nth-child(3) .ehappyclasstech-sb-news-num{background:rgba(14,165,233,.35);color:var(--t1)}
.ehappyclasstech-sb-news-text{flex:1;min-width:0}
.ehappyclasstech-sb-news-text h4{font-size:12px;font-weight:600;color:var(--t1);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ehappyclasstech-sb-news-text span{font-size:10px;color:var(--t3)}
.ehappyclasstech-related-section{padding:0 0 40px}
.ehappyclasstech-related-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.ehappyclasstech-related-title{font-family:'Oswald',sans-serif;font-size:22px;font-weight:600;display:flex;align-items:center;gap:10px}
.ehappyclasstech-related-title .ehappyclasstech-al{width:4px;height:22px;background:var(--yellow);border-radius:2px}
.ehappyclasstech-related-more{font-size:13px;color:var(--t3);transition:.2s;font-weight:500}
.ehappyclasstech-related-more:hover{color:var(--yellow-dark)}
.ehappyclasstech-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.ehappyclasstech-related-card{display:flex;align-items:center;gap:16px;background:#fff;border:1.5px solid var(--bdr2);border-radius:var(--rs);padding:16px 18px;cursor:pointer;transition:.25s;box-shadow:var(--shadow);position:relative;overflow:hidden}
.ehappyclasstech-related-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:0 2px 2px 0;opacity:0;transition:.25s}
.ehappyclasstech-related-card:hover{box-shadow:var(--shadow-md);border-color:var(--yellow);transform:translateX(3px)}
.ehappyclasstech-related-card:hover::before{opacity:1}
.ehappyclasstech-related-card:hover .ehappyclasstech-rc-title{color:var(--yellow-dark)}
.ehappyclasstech-related-card[data-type="news"]::before{background:var(--yellow)}
.ehappyclasstech-related-card[data-type="highlights"]::before{background:var(--green)}
.ehappyclasstech-related-card[data-type="replay"]::before{background:var(--blue)}
.ehappyclasstech-rc-icon{width:22px;height:22px;flex-shrink:0;color:var(--t3);transition:color .25s}
.ehappyclasstech-rc-icon svg{width:100%;height:100%}
.ehappyclasstech-related-card:hover .ehappyclasstech-rc-icon{color:var(--yellow-dark)}
.ehappyclasstech-rc-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}
.ehappyclasstech-rc-title{font-size:14px;font-weight:600;color:var(--t1);line-height:1.45;transition:color .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ehappyclasstech-rc-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--t3)}
.ehappyclasstech-rc-cat{padding:2px 10px;border-radius:4px;font-weight:600;font-size:10px;white-space:nowrap}
.ehappyclasstech-rc-cat.ehappyclasstech-news{background:var(--yellow-light);color:var(--yellow-dark);border:1px solid rgba(245,197,24,.15)}
.ehappyclasstech-rc-cat.ehappyclasstech-highlights{background:rgba(34,197,94,.08);color:var(--green);border:1px solid rgba(34,197,94,.12)}
.ehappyclasstech-rc-cat.ehappyclasstech-replay{background:var(--blue-light);color:var(--blue);border:1px solid rgba(14,165,233,.12)}
.ehappyclasstech-rc-meta .ehappyclasstech-dt{width:3px;height:3px;background:var(--t4);border-radius:50%}
@media(max-width:1200px){.ehappyclasstech-nav-main{gap:10px}.ehappyclasstech-nav-item>a{padding:6px 16px;font-size:13px}.ehappyclasstech-article-layout{grid-template-columns:1fr 280px}}
@media(max-width:1024px){.ehappyclasstech-article-layout{grid-template-columns:1fr}.ehappyclasstech-sidebar{position:static}.ehappyclasstech-related-grid{grid-template-columns:1fr}}
@media(max-width:768px){
  .ehappyclasstech-container{padding:0 16px}
  .ehappyclasstech-nav-main{display:none}.ehappyclasstech-nav-search{display:none}.ehappyclasstech-mobile-menu-btn{display:flex}
  .ehappyclasstech-mobile-overlay,.ehappyclasstech-mobile-panel{display:block}
  .ehappyclasstech-top-bar p{font-size:11px;padding:0 8px}
  .ehappyclasstech-breadcrumb-bar{padding:12px 0}
  .ehappyclasstech-article-header{padding:20px 20px 16px}
  .ehappyclasstech-article-h1{font-size:20px}
  .ehappyclasstech-article-body{padding:20px;line-height:1.9;font-size:14.5px}
  .ehappyclasstech-article-body h2{font-size:16px;margin:22px 0 10px}
  .ehappyclasstech-article-tags{padding:16px 20px}
  .ehappyclasstech-article-nav{grid-template-columns:1fr}
  .ehappyclasstech-article-nav-link.ehappyclasstech-next{text-align:left}
  .ehappyclasstech-video-play-btn{width:56px;height:56px}.ehappyclasstech-video-play-btn svg{width:22px;height:22px}
  .ehappyclasstech-footer-inner{flex-direction:column;text-align:center}
  .ehappyclasstech-footer-filing{text-align:center;justify-content:center}
}
@media(max-width:480px){
  .ehappyclasstech-article-h1{font-size:18px}
  .ehappyclasstech-article-body{padding:16px;font-size:14px}
  .ehappyclasstech-related-card{padding:14px;gap:12px}
}