:root{--bg: #0f1115;--bg-grad: radial-gradient(1200px 600px at 50% -10%, #1a2420 0%, #0f1115 55%);--card: rgba(255, 255, 255, .06);--card-border: rgba(255, 255, 255, .12);--primary: #2e7d32;--primary-light: #43a047;--text: #f2f4f3;--text-dim: rgba(242, 244, 243, .55);--danger: #e57373;--radius: 16px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;-webkit-user-select:none;user-select:none}#app{height:100%}.page{min-height:100%;min-height:100dvh}.watch-page{display:flex;align-items:center;justify-content:center;background:var(--bg-grad);padding:24px 20px calc(24px + var(--safe-b))}.watch-card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:40px 28px 32px;box-shadow:0 20px 60px #00000073;animation:fadeUp .35s ease;text-align:center}.brand-icon{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#1b5e20);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px #2e7d3266}.brand-icon svg{width:28px;height:28px}.brand-title{font-size:17px;font-weight:600;letter-spacing:1px}.brand-sub{font-size:12px;color:var(--text-dim);margin-top:6px}.video-title{font-size:14px;color:var(--text-dim);margin:18px 0 22px}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@keyframes shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(2px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}.shake{animation:shake .5s}.pwd-hint{font-size:13px;margin-top:14px;min-height:20px}.pwd-hint.error,.pwd-hint.lock{color:var(--danger)}.btn-primary{width:100%;height:46px;margin-top:18px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:16px;font-weight:600;letter-spacing:2px;cursor:pointer;transition:opacity .2s,transform .1s}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5}.foot{margin-top:26px;font-size:11px;color:#f2f4f347}.clear-ticket{margin-top:14px;font-size:12px;color:#f2f4f359;text-decoration:underline;cursor:pointer}.clear-ticket:active{color:#fff}.placeholder-page{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-grad);padding:24px calc(24px + var(--safe-b));text-align:center}.placeholder-icon{width:64px;height:64px;margin-bottom:20px;opacity:.9}.placeholder-text{font-size:20px;letter-spacing:3px;color:var(--text)}.play-page{background:#000;display:flex;flex-direction:column}.player-wrap{position:relative;flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden}.player-wrap.is-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;width:100vw;height:100vh;height:100dvh;background:#000}.player-wrap video{width:100%;height:100%;object-fit:contain}.topbar{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;gap:10px;padding:calc(10px + var(--safe-t)) 14px 10px;background:linear-gradient(rgba(0,0,0,.55),transparent)}.topbar .back{width:32px;height:32px;border:none;background:transparent;color:#fff;font-size:20px;cursor:pointer}.topbar .t{font-size:14px;color:#fff;flex:1;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .clear-ticket{border:none;background:transparent;color:#fff9;font-size:12px;padding:6px 2px;cursor:pointer}.ctrlbar{position:absolute;left:0;right:0;bottom:0;z-index:5;padding:12px 16px calc(14px + var(--safe-b));background:linear-gradient(transparent,#000000b3);transition:opacity .3s}.ctrlbar.hidden{opacity:0;pointer-events:none}.ctrl-row{display:flex;align-items:center;gap:12px;margin-top:4px}.ctrl-row button{border:none;background:transparent;color:#fff;cursor:pointer;width:34px;height:34px;display:flex;align-items:center;justify-content:center}.ctrl-row .vol-btn{width:40px}.ctrl-row .time{font-size:12px;color:#fffc;flex:1;text-align:right;font-variant-numeric:tabular-nums}.cover-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(800px 500px at 50% 30%,#131a16,#000 70%);gap:16px}.cover-play{width:76px;height:76px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 34px #2e7d3280;transition:transform .15s}.cover-play:active{transform:scale(.94)}.cover-title{font-size:16px;color:#fff;letter-spacing:1px}.cover-start{border:none;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:17px;font-weight:600;letter-spacing:3px;padding:14px 52px;cursor:pointer;box-shadow:0 10px 30px #2e7d3273;transition:transform .15s}.cover-start:active{transform:scale(.96)}.dialog-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#0009;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .25s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.dialog{width:100%;max-width:320px;background:#171b20;border:1px solid var(--card-border);border-radius:16px;padding:26px 22px 20px;text-align:center;animation:zoomIn .22s}@keyframes zoomIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:none}}.dialog h3{font-size:16px;margin-bottom:8px}.dialog p{font-size:13px;color:var(--text-dim);margin-bottom:20px}.dialog .btn-primary{margin-top:0}.btn-ghost{width:100%;height:44px;margin-top:10px;border:1px solid var(--card-border);border-radius:12px;background:transparent;color:var(--text-dim);font-size:15px;cursor:pointer}