:root{--bg:#f5f5f7;--card:#ffffff;--line:#e6e6e9;--line2:#d2d2d7;
--ink:#1d1d1f;--sub:#6e6e73;--blue:#0071e3;--blue2:#0a84ff;--blue-soft:rgba(0,113,227,.09);--green:#34c759}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",sans-serif;
background:var(--bg);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased;
padding:80px 28px 88px;letter-spacing:.01em}
.wrap{max-width:1240px;margin:0 auto}
header{margin-bottom:56px}
h1{font-size:40px;line-height:1.1;font-weight:700;letter-spacing:-.02em;margin:0 0 14px}
h1 .a{color:var(--blue)}
.sub{color:var(--sub);font-size:17px;line-height:1.6;max-width:760px;margin:0 0 30px;font-weight:400}
.stats{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 24px;min-width:130px;
box-shadow:0 1px 3px rgba(0,0,0,.04)}
.stat b{display:block;font-size:26px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--sub);font-weight:500}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.fbtn{background:var(--card);border:1px solid var(--line2);color:var(--ink);font-size:14px;font-weight:500;
padding:9px 18px;border-radius:999px;cursor:pointer;transition:.2s ease;letter-spacing:.01em}
.fbtn:hover{border-color:var(--blue);color:var(--blue)}
.fbtn.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;
box-shadow:0 2px 10px rgba(0,0,0,.04);opacity:0;transform:translateY(18px) scale(.99);
transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1),box-shadow .3s}
.card.show{opacity:1;transform:none}
.card:hover{box-shadow:0 14px 34px rgba(0,0,0,.10);transform:translateY(-3px)}
.scan{position:absolute;left:0;right:0;top:0;height:2px;z-index:6;pointer-events:none;opacity:0;
background:linear-gradient(90deg,transparent,var(--blue2),#5ac8fa,var(--blue2),transparent);
box-shadow:0 0 12px 2px rgba(10,132,255,.55)}
.card.show .scan{animation:scan 2.6s cubic-bezier(.4,0,.2,1) .25s 1}
@keyframes scan{0%{opacity:0;top:0}10%{opacity:1}90%{opacity:1}100%{opacity:0;top:100%}}
.vidwrap{position:relative;background:#000;aspect-ratio:16/9}
.vidwrap video{width:100%;height:100%;object-fit:cover;display:block;background:#000}
.ai{position:absolute;left:12px;top:12px;display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.82);
backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#1d1d1f;font-size:12px;font-weight:600;
padding:6px 12px;border-radius:999px;border:1px solid rgba(0,0,0,.06)}
.ai i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(52,199,89,.55);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,199,89,.55)}70%{box-shadow:0 0 0 7px rgba(52,199,89,0)}100%{box-shadow:0 0 0 0 rgba(52,199,89,0)}}
.meta{padding:18px 20px 22px;position:relative}
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.fname{font-size:12px;color:var(--sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.dur{font-size:12px;font-weight:700;color:var(--blue);background:var(--blue-soft);padding:4px 10px;border-radius:8px;flex:none;font-variant-numeric:tabular-nums}
.scene{position:relative;display:inline-block;overflow:hidden;background:linear-gradient(135deg,var(--blue),var(--blue2));
color:#fff;font-weight:700;font-size:13px;padding:6px 14px;border-radius:10px;margin-bottom:12px;letter-spacing:.02em}
.scene::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;
background:linear-gradient(100deg,transparent,rgba(255,255,255,.85),transparent);transform:skewX(-18deg)}
.card.show .scene::after{animation:sheen 2.2s ease-out .9s 1}
@keyframes sheen{to{left:150%}}
.sum{font-size:14.5px;line-height:1.6;margin:0 0 13px;color:#1d1d1f;font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;padding:11px;border-radius:13px;border:1px solid var(--line);
background:
 repeating-linear-gradient(0deg,transparent,transparent 7px,rgba(0,113,227,.05) 7px,rgba(0,113,227,.05) 8px),
 repeating-linear-gradient(90deg,transparent,transparent 7px,rgba(0,113,227,.05) 7px,rgba(0,113,227,.05) 8px)}
.chip{background:rgba(0,113,227,.06);border:1px solid rgba(0,113,227,.38);color:#11243a;font-size:12px;font-weight:500;padding:5px 11px;border-radius:8px;
font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;letter-spacing:.01em;
opacity:0;transform:translateY(6px)}
.card.show .chip{animation:chipIn .65s cubic-bezier(.22,1,.36,1) forwards}
.card.show .chip:nth-child(1){animation-delay:1.00s}
.card.show .chip:nth-child(2){animation-delay:1.16s}
.card.show .chip:nth-child(3){animation-delay:1.32s}
.card.show .chip:nth-child(4){animation-delay:1.48s}
.card.show .chip:nth-child(5){animation-delay:1.64s}
.card.show .chip:nth-child(6){animation-delay:1.80s}
.card.show .chip:nth-child(n+7){animation-delay:1.96s}
@keyframes chipIn{0%{opacity:0;transform:translateY(6px)}60%{box-shadow:0 0 0 3px var(--blue-soft),0 0 10px rgba(10,132,255,.35);border-color:var(--blue)}100%{opacity:1;transform:none;box-shadow:0 0 0 0 transparent}}
.sell{position:relative;border-left:3px solid var(--blue);background:var(--blue-soft);padding:11px 14px;border-radius:0 11px 11px 0;
font-size:13px;line-height:1.6;color:var(--sub);overflow:hidden}
.sell::before{content:"";position:absolute;left:-1px;top:0;bottom:0;width:3px;background:var(--blue);box-shadow:0 0 8px var(--blue);animation:bar 3s ease-in-out infinite}
.sell b{color:var(--ink);margin-right:7px;font-weight:600}
@keyframes bar{0%,100%{opacity:.35}50%{opacity:1}}
/* 第一屏：素材文件夹 */
.hero{margin:0 0 72px;text-align:center}
.hero h2{font-size:34px;font-weight:700;letter-spacing:-.02em;margin:0 0 12px}
.hero .lead{color:var(--sub);font-size:16px;line-height:1.6;max-width:560px;margin:0 auto 32px;font-weight:400}
.folder{max-width:580px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:18px;
box-shadow:0 10px 34px rgba(0,0,0,.07);overflow:hidden;text-align:left;position:relative}
.folder-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:#fafafc}
.folder-bar .d{width:11px;height:11px;border-radius:50%}
.folder-bar .r{background:#ff5f57}.folder-bar .y{background:#febc2e}.folder-bar .g{background:#28c840}
.folder-title{margin-left:8px;font-size:13px;color:var(--sub);font-weight:600}
.fgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;padding:16px;max-height:330px;overflow:hidden}
.fitem{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 6px;text-align:center;
opacity:0;transform:translateY(8px);animation:fiIn .5s ease forwards}
@keyframes fiIn{to{opacity:1;transform:none}}
.fitem .ic{font-size:17px;line-height:1}
.fitem .nm{font-size:9px;color:var(--sub);margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,Menlo,monospace}
.analyze-btn{display:block;margin:28px auto 0;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;
font-size:16px;font-weight:600;padding:15px 38px;border:none;border-radius:999px;cursor:pointer;
box-shadow:0 8px 24px rgba(0,113,227,.28);transition:transform .25s,box-shadow .25s;font-family:inherit}
.analyze-btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,113,227,.4)}
.analyze-btn:disabled{opacity:.6;cursor:default;transform:none}
.folder-scan{position:absolute;left:0;right:0;top:0;height:2px;z-index:6;pointer-events:none;
background:linear-gradient(90deg,transparent,var(--blue2),#5ac8fa,var(--blue2),transparent);
box-shadow:0 0 12px 2px rgba(10,132,255,.55);animation:scan 2.4s cubic-bezier(.4,0,.2,1) 1}
.folder.scanning .fitem{animation:fiScan .5s ease}
@keyframes fiScan{0%{background:#fff}50%{background:rgba(0,113,227,.12)}100%{background:#fff}}
/* 一键制作脚本区 */
.maker{max-width:960px;margin:60px auto 0;padding-top:44px;border-top:1px solid var(--line)}
.make-btn{display:block;margin:0 auto 32px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;
font-size:17px;font-weight:600;letter-spacing:.02em;padding:16px 40px;border:none;border-radius:999px;cursor:pointer;
box-shadow:0 8px 24px rgba(0,113,227,.28);transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden;font-family:inherit}
.make-btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,113,227,.40)}
.make-btn:active{transform:translateY(0)}
.make-btn::after{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;
background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg)}
.make-btn:hover::after{animation:sheen 1s ease-out 1}
.make-btn:disabled{opacity:.65;cursor:default;transform:none;box-shadow:0 8px 24px rgba(0,113,227,.20)}
.io{display:flex;flex-direction:column;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;min-height:210px;
box-shadow:0 2px 8px rgba(0,0,0,.04);position:relative}
.panel h3{margin:0 0 12px;font-size:12px;font-weight:600;color:var(--sub);letter-spacing:.06em;text-transform:uppercase;
display:flex;align-items:center;gap:8px}
.panel h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--blue);box-shadow:0 0 8px var(--blue)}
.prompt-box{font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;font-size:12.5px;line-height:1.75;color:#11243a;
white-space:pre-wrap;min-height:150px}
.prompt-box .ph{color:var(--sub)}
.tagline{display:inline-block;background:rgba(0,113,227,.07);border:1px solid rgba(0,113,227,.32);border-radius:6px;
padding:2px 8px;margin:3px 5px 0 0;font-family:ui-monospace,Menlo,monospace;font-size:12px;color:#11243a;opacity:0;animation:tagPop .4s ease forwards}
@keyframes tagPop{to{opacity:1}}
.script-box{font-size:13.5px;line-height:1.8;color:var(--ink);white-space:pre-wrap;min-height:150px}
.script-box .ph{color:var(--sub)}
.script-box .caret{display:inline-block;width:7px;height:15px;background:var(--blue);vertical-align:-2px;margin-left:2px;animation:blink 1s step-end infinite}
.script-box .ln{white-space:pre-wrap;text-align:left;padding:1px 0}
.script-box .ref{display:block;box-sizing:border-box;width:100%;text-align:left;white-space:pre-wrap;
color:#0a5bd0;font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;font-size:12.5px;
background:linear-gradient(90deg,rgba(0,113,227,.08),rgba(0,113,227,.02));border-left:3px solid var(--blue);
padding:7px 12px 7px 16px;margin:6px 0;border-radius:0 9px 9px 0}
.script-box .ref b{color:#004f9e;font-weight:700}
.ref-row{display:flex;gap:12px;align-items:flex-start;margin:6px 0}
.ref-row .ref{width:auto;flex:1;margin:0}
.ref-video{width:160px;height:90px;object-fit:cover;border-radius:9px;border:1px solid var(--line);background:#000;flex:none;box-shadow:0 2px 8px rgba(0,0,0,.06);cursor:pointer}
.ref-video:hover{border-color:var(--blue)}
@media(max-width:680px){.ref-row{flex-direction:column}.ref-video{width:100%;height:auto}}
@keyframes blink{50%{opacity:0}}
.progress{height:4px;border-radius:4px;background:var(--line);overflow:hidden;margin-top:16px}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--blue2));border-radius:4px;transition:width 1.4s ease}
/* 检索/分析状态链 */
.status{margin:4px 0 16px;padding:14px 16px;border:1px solid var(--line);border-radius:13px;background:
 repeating-linear-gradient(0deg,transparent,transparent 7px,rgba(0,113,227,.045) 7px,rgba(0,113,227,.045) 8px),
 repeating-linear-gradient(90deg,transparent,transparent 7px,rgba(0,113,227,.045) 7px,rgba(0,113,227,.045) 8px)}
.status .step{display:flex;align-items:center;gap:10px;font-family:ui-monospace,"SF Mono","JetBrains Mono",Menlo,monospace;
font-size:12.5px;color:var(--sub);opacity:0;transform:translateX(-6px);animation:stepIn .42s ease forwards;padding:3px 0;letter-spacing:.01em}
.status .step .dot{width:14px;height:14px;border-radius:50%;flex:none;border:1.5px solid var(--line2);position:relative;transition:.2s}
.status .step.active .dot{border-color:var(--blue);border-top-color:transparent;animation:spin .7s linear infinite;box-shadow:0 0 8px rgba(10,132,255,.4)}
.status .step.done .dot{border-color:var(--green);background:var(--green);box-shadow:0 0 8px rgba(52,199,89,.45)}
.status .step.done .dot::after{content:"";position:absolute;left:4px;top:1px;width:3px;height:6px;border:solid #fff;border-width:0 1.6px 1.6px 0;transform:rotate(45deg)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes stepIn{to{opacity:1;transform:none}}
.fly{position:fixed;z-index:60;pointer-events:none;background:rgba(0,113,227,.10);border:1px solid rgba(0,113,227,.45);
color:#11243a;font-size:11px;font-family:ui-monospace,Menlo,monospace;padding:4px 9px;border-radius:7px;
box-shadow:0 0 10px rgba(10,132,255,.35);white-space:nowrap}
footer{margin-top:48px;text-align:center;color:var(--sub);font-size:13px;line-height:1.8;font-weight:400}
.empty{color:var(--sub);text-align:center;padding:50px;grid-column:1/-1}
/* 结果区：分析前折叠，分析后展开 */
#results{display:none}
#results.show{display:block;animation:resIn .55s cubic-bezier(.22,1,.36,1)}
@keyframes resIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
#analyzeHint{margin:0 auto 84px;max-width:760px;text-align:center;transition:opacity .3s}
.ah-card{display:inline-flex;align-items:center;gap:14px;background:var(--card);border:1px dashed var(--line2);border-radius:16px;
padding:18px 26px;color:var(--sub);font-size:15px;line-height:1.5;box-shadow:0 2px 8px rgba(0,0,0,.03);position:relative;overflow:hidden}
.ah-card .ic{font-size:21px;flex:none}
.ah-card b{color:var(--ink);font-weight:600}
.ah-card .ash{position:absolute;left:0;right:0;top:0;height:2px;
background:linear-gradient(90deg,transparent,var(--blue2),transparent);opacity:.4;animation:scan 3s ease-in-out infinite}