/* 星天璀工作台 · 🧊 AI 3D 安装讲解（2026-11-04）· m3- 前缀；弹窗 / 页签 / 筛选沿用首页的 hm- 组件 */
.m3{max-width:1400px;margin:0 auto;padding-bottom:40px}
.m3-hero{display:flex;align-items:center;gap:18px;justify-content:space-between;padding:20px 24px;border-radius:24px;background:radial-gradient(circle at 90% 0,#D9E8FB 0,transparent 40%),linear-gradient(120deg,#EEF5FD,#FFFDF8 60%,#F1F8F3);margin-bottom:12px}
.m3-hero h1{margin:0 0 6px;font-size:24px}.m3-hero p{margin:0 0 12px;color:var(--ink2);line-height:1.6}.m3-hero img{width:110px;height:116px;object-fit:contain;animation:hm-bob 3.2s ease-in-out infinite}
.m3-bh{margin:18px 2px 10px;font-size:16px}.m3-bh small{color:var(--ink3);font-weight:600;font-size:12px}
.m3-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.m3-card{position:relative;border-radius:18px;overflow:hidden;background:#fff;border:1px solid #EEE9E1;cursor:pointer;transition:transform .18s,box-shadow .18s}
.m3-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(31,42,36,.12)}
.m3-cv{aspect-ratio:16/10;background:#1F2A24 center/cover no-repeat;position:relative}
.m3-kind{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.92);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:800}
.m3-play{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;font-size:18px;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .18s}
.m3-card:hover .m3-play{transform:scale(1.12)}
.m3-tx{padding:10px 14px 12px}.m3-tx b{display:block;font-size:14px}.m3-tx small{color:var(--ink3);font-size:11.5px}
.m3-ed{position:absolute;right:8px;top:8px;border:0;border-radius:10px;background:rgba(255,255,255,.92);padding:4px 7px;font-size:13px}
.m3-jobs{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.m3-job{display:flex;gap:14px;justify-content:space-between;background:#fff;border:1px solid #EEE9E1;border-radius:16px;padding:12px 14px}.m3-job>div:first-child{min-width:0;flex:1}
.m3-job b{font-size:14px}.m3-job small{display:block;color:var(--ink3);font-size:11.5px;margin-top:2px}.m3-job p{margin:6px 0;white-space:pre-wrap;font-size:12.5px;color:var(--ink2)}
.m3-act{display:flex;flex-direction:column;gap:6px;align-items:flex-end;flex:0 0 auto}
.m3-st{font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px}.m3-yellow{background:#FFF6D6;color:#80620A}.m3-blue{background:#E7F0FB;color:#245C99}.m3-green{background:#E6F4EC;color:#25694A}.m3-grey{background:#EEE;color:#777}
.m3-files{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.m3-files a{font-size:12px;font-weight:700;background:#F4F1EC;border-radius:8px;padding:3px 8px;text-decoration:none;color:var(--ink)}
.m3-thumb{display:inline-block;width:44px;height:44px;border-radius:8px;background:#F4F1EC center/cover;padding:0!important;vertical-align:middle;margin-right:4px}
.m3-up{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
@media(max-width:760px){.m3-hero{padding:16px}.m3-hero img{display:none}.m3-job{flex-direction:column}.m3-act{flex-direction:row;flex-wrap:wrap;align-items:center}.m3-grid{grid-template-columns:1fr 1fr;gap:10px}}
.m3 .hm-nf{--ti:#245C99}
/* 11-05 待确认 / 打回 */
.m3-orange{background:#FFEBD6;color:#9A4D0B}.m3-red{background:#FDE4E1;color:#A2322A}
.m3-rev{display:flex;gap:10px;align-items:center;margin-top:8px;padding:8px 10px;border-radius:12px;background:#FFF8EF;border:1px dashed #F2C98F}.m3-rev small{display:block;color:var(--ink2);font-size:12px;margin-top:2px;white-space:pre-wrap}
.m3-rvc{width:72px!important;height:46px!important;flex:0 0 auto}.m3-rvl{font-weight:800;font-size:13px;color:#9A4D0B;text-decoration:none}
.m3-back{margin-top:6px;font-size:12px;color:#A2322A;background:#FDF1EF;border-radius:10px;padding:6px 10px;white-space:pre-wrap}

/* 11-05 晚 作品库重排：说明书转 3D / 3D 动画分开 · 品牌 → SKU · 筛选排序 · 统一封面（品牌 / 货号 / 二维码）；--bc = 品牌色（pages_m3d.js BC 表） */
.m3-bar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:2px 0 4px}.m3-bar .hm-nf{margin:0}
.m3-tools{display:flex;gap:8px;align-items:center}.m3-tools input{width:200px;margin:0}.m3-tools select{width:auto;margin:0}
.m3-sum{font-size:12px;color:var(--ink3);margin:10px 2px 0}
.m3-bh{display:flex;align-items:center;gap:8px}.m3-bh i{width:10px;height:10px;border-radius:3px;background:var(--bc)}
.m3-card{border-top:4px solid var(--bc);display:flex;flex-direction:column}
.m3-brand{display:inline-block;background:var(--bc);color:#fff;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:800;letter-spacing:.02em}
.m3-tag{position:absolute;left:10px;bottom:10px;display:flex;gap:6px;align-items:center}.m3-cv .m3-kind{left:auto;right:10px}   /* 品牌放左下：旧封面截图左上角自带标题字 */
.m3-ver{background:rgba(31,42,36,.78);color:#fff;border-radius:8px;padding:2px 8px;font-size:11px;font-weight:800}
.m3-eds{position:absolute;right:8px;bottom:8px;display:flex;gap:4px}.m3-eds .m3-ed{position:static}
.m3-ft{display:flex;gap:10px;align-items:flex-start;padding:10px 12px 12px;flex:1}
.m3-id{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}
.m3-sku{font:800 19px/1.15 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.01em;color:var(--ink);overflow-wrap:anywhere}
.m3-sku.m3-hd{font:800 16px/1.25 inherit;font-family:inherit}
.m3-nm{font-size:13px;font-weight:700;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m3-id small{color:var(--ink3);font-size:11.5px}
.m3-btns{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.m3-btns .btn{min-height:32px}
.m3-qr{flex:0 0 auto;width:86px;border:1px solid #E7E2D9;border-radius:12px;background:#fff;padding:6px 6px 4px;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:zoom-in}
.m3-qr svg{width:72px;height:72px;display:block}.m3-qr em{font-style:normal;font-size:10.5px;font-weight:800;color:var(--bc)}
.m3-qrph{display:block;width:72px;height:72px;border-radius:6px;background:repeating-linear-gradient(45deg,#F4F1EC 0 6px,#fff 6px 12px)}
.m3-qr:hover{border-color:var(--bc)}
.m3-qrbig{display:flex;gap:20px;align-items:center;margin-top:12px;flex-wrap:wrap}.m3-qrbig>div:last-child{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.m3-qrb{background:#fff;border:1px solid #E7E2D9;border-radius:16px;padding:14px}.m3-qrb svg,.m3-qrb .m3-qrph{width:240px;height:240px;display:block}
.m3-qrbig code{font-size:11.5px;word-break:break-all;background:#F4F1EC;border-radius:8px;padding:4px 8px;max-width:100%}
@media(max-width:760px){.m3-tools{width:100%}.m3-tools input{flex:1;width:auto;min-width:0}}
@media(max-width:560px){.m3-grid{grid-template-columns:1fr}.m3-qrb svg,.m3-qrb .m3-qrph{width:200px;height:200px}}