:root{--red:#c8102e;--navy:#1b2a4a;--bg:#f6f7fb;--line:#d7dbe6}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{font:20px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--navy);background:var(--bg)}
main{max-width:760px;margin:0 auto;padding:16px 16px 60px}
.logo{display:block;width:min(420px,80%);margin:10px auto 4px}
.brand{text-align:center;font-size:16px;color:#555;margin-bottom:14px}
.brand b.r{color:var(--red)}
h1{font-size:30px;margin:10px 0}h2{font-size:24px;margin:18px 0 8px}
.big{display:flex;align-items:center;gap:14px;width:100%;min-height:84px;margin:12px 0;padding:14px 20px;font-size:24px;font-weight:700;border-radius:18px;border:2px solid var(--line);background:#fff;color:var(--navy);text-align:left;cursor:pointer}
.big .e{font-size:38px}.big small{display:block;font-weight:400;font-size:17px;color:#555}
.big.go{background:var(--red);border-color:var(--red);color:#fff}.big.go small{color:#ffe}
.big.nv{background:var(--navy);border-color:var(--navy);color:#fff}.big.nv small{color:#dde}
button{font:inherit;cursor:pointer}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{min-height:56px;padding:8px 16px;font-size:20px;font-weight:600;border-radius:14px;border:2px solid var(--line);background:#fff;color:var(--navy)}
.btn.go{background:var(--red);color:#fff;border-color:var(--red)}
.card{background:#fff;border:2px solid var(--line);border-radius:18px;padding:14px;margin:12px 0}
.slide{display:flex;gap:12px;align-items:center}
.thumb{width:120px;height:80px;border-radius:10px;background:#222 center/cover no-repeat;flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;text-align:center;overflow:hidden;padding:4px}
.thumb video{width:100%;height:100%;object-fit:cover}
.slide .t{flex:1;min-width:0}.slide .t b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.secs{display:flex;align-items:center;gap:6px;margin-top:6px}.secs button{width:52px;height:52px;font-size:26px;border-radius:12px;border:2px solid var(--line);background:#fff}
.secs span{min-width:84px;text-align:center;font-weight:700}
.tools{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.tools button{min-width:56px;height:52px;font-size:20px;border-radius:12px;border:2px solid var(--line);background:#fff}
.tools .del{color:var(--red)}
label{display:block;font-weight:700;margin:12px 0 4px}
input[type=text],input:not([type]),textarea{width:100%;font:inherit;font-size:22px;padding:12px;border:2px solid var(--line);border-radius:12px}
.status{padding:10px 14px;border-radius:12px;background:#e9f6ee;color:#14532d;font-weight:600;margin:8px 0}
.status.warn{background:#fff4e5;color:#7a4b00}.status.local{background:#eef1f8;color:var(--navy)}
.trial{padding:10px 14px;border-radius:12px;background:#fff;border:2px dashed var(--red);margin:10px 0;font-size:18px}
.demo{display:inline-block;background:#ffe600;color:#000;font-weight:800;font-size:14px;padding:2px 8px;border-radius:6px}
.code{font:800 54px/1.1 ui-monospace,Menlo,monospace;letter-spacing:6px;text-align:center;color:var(--navy)}
.qr{display:flex;justify-content:center;margin:10px 0}.qr img,.qr svg{width:260px;height:260px;image-rendering:pixelated}
.swatches{display:flex;gap:10px;flex-wrap:wrap}.swatches button{width:62px;height:62px;border-radius:14px;border:3px solid var(--line);font-weight:900;font-size:22px}
.swatches button.on{border-color:var(--red);outline:3px solid var(--red)}
.muted{color:#666;font-size:17px}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:14px 22px;border-radius:14px;font-size:20px;z-index:50;max-width:90%}
#sheet{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;display:flex;align-items:flex-end;justify-content:center}
#sheetin{background:#fff;width:100%;max-width:760px;max-height:92vh;overflow:auto;border-radius:22px 22px 0 0;padding:18px 18px 30px}
/* player */
#player{position:fixed;inset:0;background:#000;z-index:30;cursor:none}
#stage{position:absolute;inset:0}
.sl{position:absolute;inset:0;opacity:0;transition:opacity .8s;display:flex;align-items:center;justify-content:center}
.sl.on{opacity:1}
.sl img,.sl video{width:100%;height:100%;object-fit:contain}
.sl.fill img,.sl.fill video{object-fit:cover}
.tx{flex-direction:column;text-align:center;padding:4vh 5vw}
.tx .h{font-weight:900;font-size:min(11vw,17vh);line-height:1.05;word-break:break-word}
.tx .p{font-weight:900;font-size:min(16vw,26vh);line-height:1;margin-top:2vh}
.tx .n{font-size:min(5vw,8vh);margin-top:2vh;opacity:.9}
#pbar{position:absolute;top:0;left:0;right:0;display:flex;gap:12px;align-items:center;padding:14px;background:rgba(0,0,0,.6);cursor:auto;z-index:2}
#pbar button{min-height:64px;padding:0 22px;font-size:24px;font-weight:700;border-radius:14px;border:0;background:#fff;color:var(--navy)}
#pinfo{color:#fff;font-size:18px}
#wm{position:absolute;right:12px;bottom:12px;background:rgba(200,16,46,.9);color:#fff;padding:8px 14px;border-radius:10px;font-size:18px;font-weight:700;z-index:1}
.empty{color:#fff;font-size:32px;text-align:center;padding:10vw}
[hidden]{display:none!important}