:root{--night:#122a60;--deep:#101b36;--paper:#f6f3ed;--ink:#302d2a;--muted:#766d62;--gold:#e7cf8c;--line:rgba(104,86,52,.17);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper)}
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.performance{background:radial-gradient(ellipse at 90% 0,rgba(49,100,177,.42),transparent 65%),var(--night);color:#f8f1de;padding:48px 5% 42px}.performance-heading{text-align:center;max-width:1200px;margin:0 auto 34px}.edition{font-size:16px;letter-spacing:.1em;margin:0 0 13px;color:#eee5cd}.performance h1{font-family:"Songti SC",SimSun,serif;font-size:72px;font-weight:400;letter-spacing:.12em;line-height:1.2;margin:0 0 15px}.subtitle{font-size:18px;margin:0;line-height:1.6}.theme{font-size:13px;letter-spacing:.2em;color:var(--gold);margin:20px 0 0}.video-section{width:100%;max-width:1080px;margin:auto;min-width:0}.player{position:relative;isolation:isolate;aspect-ratio:16/9;width:100%;height:auto;min-width:0;overflow:hidden;background:var(--deep);box-shadow:0 20px 50px rgba(5,17,43,.25)}.player iframe{position:absolute!important;inset:0!important;display:block!important;width:100%!important;height:100%!important;min-width:0!important;max-width:none!important;min-height:0!important;max-height:none!important;border:0!important;margin:0!important;padding:0!important;background:var(--deep)}.player-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;text-align:center;padding:15px;background:radial-gradient(ellipse at center,rgba(50,86,138,.25),transparent 75%);color:#f4ebd5}.play-symbol{display:grid;place-items:center;width:64px;height:64px;border:1px solid rgba(231,207,140,.58);border-radius:50%;color:var(--gold);font-size:37px;line-height:1;padding-left:5px}.player-placeholder strong{font-size:19px;font-weight:500}.player-placeholder>span:last-child{font-size:13px;color:#b9c4da}.video-caption{display:flex;justify-content:space-between;gap:14px;font-size:12px;padding-top:18px;color:#c7d1e4}.video-caption a{color:var(--gold)}
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