*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#10261f;color:#f8f8f2;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}body{min-height:100dvh}.viewer{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;padding:18px}.viewport{width:min(100%,calc((100dvh - 140px)*16/9));max-width:1600px;overflow:auto;overscroll-behavior:contain}.slide{position:relative;width:100%;aspect-ratio:16/9;background:#f5f2eb;box-shadow:0 14px 40px #0004}.slide img{width:100%;height:100%;display:block}.slide video{position:absolute;left:69.15%;top:22.13%;width:18.225%;height:70.13%;object-fit:fill;background:#f3f2eb}.app-link{position:absolute;left:5.05%;top:69.7%;width:40%;height:9%;border-radius:4px}.app-link:focus-visible{outline:3px solid #ed754f;outline-offset:2px}.controls{display:flex;align-items:center;justify-content:center;gap:18px}.controls button{border:1px solid #ffffff42;background:#ffffff0c;color:#fff9ed;border-radius:8px;min-height:42px;padding:0 16px;font:inherit;cursor:pointer}.controls button:disabled{opacity:.36;cursor:default}.controls button:focus-visible{outline:3px solid #eac69f;outline-offset:3px}.controls button:first-child,.controls button:nth-child(3){font-size:21px}.controls button span{font-size:13px}.page{font-variant-numeric:tabular-nums;color:#fff9ed;min-width:58px;text-align:center;font-size:14px}.slash{color:#a6bcb0;padding:0 6px}.hint{margin:0;font-size:12px;color:#bbcabf}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.viewport.zoomed .slide{width:160%}@media(max-width:600px){.viewer{padding:12px;gap:16px}.viewport{width:100%}.controls{gap:8px}.controls button{padding:0 12px}.hint{font-size:11px}.viewport.zoomed .slide{width:200%}}

.slide .cover-qr{position:absolute;right:2.5%;bottom:8%;width:16%;padding:0.7%;background:#fff;border-radius:2%;box-shadow:0 3px 14px #0005;text-align:center;color:#173a2d}.slide .cover-qr[hidden]{display:none}.qr-grid{display:grid;grid-template-columns:1fr;gap:3%}.slide .cover-qr img{width:100%;height:auto;display:block}.qr-grid span{display:block;font-size:clamp(7px,0.72vw,12px);font-weight:600;line-height:1.3;white-space:nowrap}.contact{padding-top:3%;font-size:clamp(7px,0.82vw,14px);font-weight:700;white-space:nowrap}.contact a{color:inherit;text-decoration:none;margin-left:.5em}.contact a:focus-visible{outline:2px solid #ed754f}

.slide{container-type:inline-size}.slide .cover-qr{width:18%}.qr-grid span{font-size:1.05cqw}.contact{font-size:1.1cqw;line-height:1.3}.contact span,.contact a{display:block}.contact a{margin:0;font-variant-numeric:tabular-nums}@media(max-width:600px){.slide .cover-qr{width:25%;padding:1%}.qr-grid span{font-size:1.5cqw}.contact{font-size:1.6cqw}}

.mobile-reader{display:none}.mobile-reader[hidden],#mobileDemo[hidden],#mobileContact[hidden]{display:none}@media(max-width:600px){.viewer{justify-content:flex-start;gap:14px;padding:12px 12px calc(80px + env(safe-area-inset-bottom))}.viewport{flex:none}.controls{position:fixed;z-index:10;bottom:0;left:0;right:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#10261ff5;border-top:1px solid #ffffff24;gap:8px}.controls button{min-height:44px}.hint{display:none}.mobile-reader{display:block;width:100%;background:#f5f2eb;color:#173a2d;border-radius:14px;padding:21px 20px 22px}.reader-top{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.04em;color:#667a6e;margin-bottom:16px}.reader-copy h2{font-size:22px;line-height:1.35;margin:0 0 16px}.reader-copy p{font-size:16px;line-height:1.65;white-space:pre-line;margin:0 0 12px;overflow-wrap:anywhere}.reader-note{font-size:12px;color:#697b70;line-height:1.5;margin:18px 0 0}.mobile-reader h2{font-size:19px;line-height:1.35}#mobileDemo video{display:block;width:min(100%,320px);height:auto;max-height:68vh;margin:0 auto;background:#eee;border-radius:10px}.mobile-app-link{display:block;background:#b94e34;color:white;text-align:center;text-decoration:none;font-weight:700;border-radius:9px;padding:14px;margin-top:14px}.mobile-contact-row{display:flex;align-items:center;gap:16px}.mobile-contact-row img{width:110px;height:110px;object-fit:contain;background:#fff}.mobile-contact-row strong,.mobile-contact-row a,.mobile-contact-row small{display:block;margin:5px 0}.mobile-contact-row a{font-size:18px;color:#173a2d}.mobile-contact-row small{color:#64766c}.slide #interactive{display:none}}

@media(max-width:600px){.viewport.zoomed{max-height:60dvh;overscroll-behavior:contain;touch-action:pan-x pan-y}.viewport.zoomed .slide{width:200%}#mobileDemo{margin-bottom:24px}}

.mobile-hint{display:none}.mobile-reader[hidden]{display:none!important}@media(max-width:600px){.viewer{justify-content:flex-start}.mobile-hint{display:block;font-size:12px;color:#bdccc1;margin:0;text-align:center}.mobile-reader h2{margin:0 0 14px}#mobileDemo{margin:0}.mobile-reader{padding:18px}.viewport.zoomed{max-height:65dvh}.viewport.zoomed .slide{width:220%}}

@media(max-width:600px){.viewer{justify-content:center}.viewer:has(.mobile-reader:not([hidden])){justify-content:flex-start}}