:root{color-scheme:light;--ink:#11242d;--orange:#e98c10}*{box-sizing:border-box}body{margin:0;background:#f3f6f5;color:var(--ink);font:17px/1.65 Arial,"Microsoft YaHei",sans-serif}header{background:white;display:flex;align-items:center;justify-content:space-between;padding:18px max(5vw,20px);border-bottom:1px solid #dce3e4}header img{display:block;height:auto}nav{display:flex;gap:24px}a{color:inherit}nav a{text-decoration:none;font-size:15px}main{max-width:1100px;margin:25px auto 60px;padding:0 24px}h1{font-size:clamp(25px,3.1vw,40px);line-height:1.2;margin:8px 0 22px}h2{font-size:22px}.eyebrow{color:#9b5700;font-size:12px;letter-spacing:2px;font-weight:bold;margin:0}.player{background:#0e1d25;border-radius:8px;overflow:hidden;text-align:center;line-height:0}.player video{display:block;width:100%;height:min(59vh,600px);min-height:260px;object-fit:contain;background:#09151b}.meta{font-size:14px;color:#576970;margin:10px 0 20px}section{max-width:850px}section h2{margin-bottom:5px}.button{display:inline-block;background:var(--orange);padding:10px 20px;font-weight:bold;text-decoration:none;margin-top:6px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{display:block;text-decoration:none;background:white;padding:18px;border:1px solid #dce3e4}.card img{width:100%;height:260px;object-fit:contain;background:#11242d}.card span{color:#935300}footer{border-top:1px solid #dce3e4;padding:25px;text-align:center;font-size:13px;color:#52656d}@media(max-width:600px){header{padding:14px 18px}header img{width:108px}nav{gap:15px}main{padding:0 16px;margin-top:22px}.cards{grid-template-columns:1fr}.player video{height:52vh;min-height:240px}h1{font-size:27px}}