:root{--c-bg:#fff;--c-surface:#f2f2f2;--c-border:#d0d0d0;--c-text:#1a1a1a;--c-text-muted:#777;--c-primary:#333;--c-primary-text:#fff;--c-disabled:#bdbdbd;--c-danger:#d33a3a;--c-overlay:#000000b8;--c-crop-bg:#222;--font:-apple-system, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--radius:8px;--gap:16px;--max-w:480px;--bar-h:64px}*{box-sizing:border-box}html,body{background:var(--c-surface);color:var(--c-text);font-family:var(--font);-webkit-text-size-adjust:100%;margin:0;padding:0}button{font:inherit;cursor:pointer}input,textarea{font:inherit}.app{max-width:var(--max-w);background:var(--c-bg);min-height:100dvh;margin:0 auto;position:relative}.topbar{height:48px;padding:0 var(--gap);border-bottom:1px solid var(--c-border);background:var(--c-bg);z-index:10;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.topbar .title{font-weight:600}.topbar .center{font-weight:600;position:absolute;left:50%;transform:translate(-50%)}.muted{color:var(--c-text-muted);font-size:12px}.linkbtn{color:var(--c-text);background:0 0;border:none;padding:8px 0}.btn{border-radius:var(--radius);border:1px solid var(--c-primary);background:var(--c-bg);color:var(--c-text);padding:12px 16px}.btn.primary{background:var(--c-primary);color:var(--c-primary-text)}.btn:disabled{background:var(--c-disabled);border-color:var(--c-disabled);color:var(--c-primary-text);cursor:not-allowed}.bottombar{width:100%;max-width:var(--max-w);background:var(--c-bg);border-top:1px solid var(--c-border);padding:10px var(--gap) calc(10px + env(safe-area-inset-bottom));z-index:20;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottombar .row{gap:10px;display:flex}.bottombar .row .btn{flex:1}.bottombar .row .btn.wide{flex:2}.bottombar .hint{text-align:center;margin-top:6px}.page-pad-bottom{padding-bottom:calc(var(--bar-h) + 56px + env(safe-area-inset-bottom))}.toast{left:50%;bottom:calc(96px + env(safe-area-inset-bottom));background:var(--c-primary);color:var(--c-primary-text);border-radius:var(--radius);z-index:50;align-items:center;gap:16px;max-width:90%;padding:10px 16px;display:flex;position:fixed;transform:translate(-50%)}.toast button{color:var(--c-primary-text);background:0 0;border:none;padding:0;text-decoration:underline}.wechat-gate{background:var(--c-overlay);color:#fff;text-align:center;z-index:100;padding:80px 32px 32px;position:fixed;inset:0}.wechat-gate .arrow{font-size:48px;position:absolute;top:8px;right:20px}.wechat-gate h1{margin:0 0 8px;font-size:22px}.wechat-gate ol{text-align:left;margin:24px 0;line-height:2;display:inline-block}.wechat-gate .btn{color:var(--c-text);background:#fff;min-width:160px}.gate-tip{font-size:13px}.home{text-align:center;padding:32px var(--gap);flex-direction:column;align-items:center;gap:12px;display:flex}.home .illus{background:var(--c-surface);border-radius:50%;width:120px;height:120px}.home h1{margin:8px 0 0;font-size:22px}.muted-lg{color:var(--c-text-muted);margin:0;line-height:1.6}.btn.big{width:100%;margin-top:12px;padding:16px;font-size:17px}.steps{color:var(--c-text-muted);gap:8px;margin:24px 0 0;padding:0;font-size:13px;list-style:none;display:flex}.steps li:not(:last-child):after{content:" →"}.list-info{padding:12px var(--gap);justify-content:space-between;display:flex}.item-list{margin:0;padding:0;list-style:none}.swipe-row{border-bottom:1px solid var(--c-border);position:relative;overflow:hidden}.swipe-delete{background:var(--c-danger);color:#fff;border:none;width:80px;position:absolute;top:0;bottom:0;right:0}.swipe-content{background:var(--c-bg);touch-action:pan-y;-webkit-user-select:none;user-select:none;position:relative}.item-row{padding:10px var(--gap);cursor:pointer;align-items:center;gap:12px;display:flex}.thumb{aspect-ratio:3/4;background:var(--c-surface);border-radius:4px;flex:none;width:48px;overflow:hidden}.thumb img{object-fit:cover;pointer-events:none;width:100%;height:100%;display:block}.item-text{flex:1;min-width:0}.item-name{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.item-note{color:var(--c-text-muted);text-overflow:ellipsis;white-space:nowrap;min-height:1.2em;font-size:13px;overflow:hidden}.item-price{flex:none;font-weight:600}.chev{color:var(--c-text-muted)}.editor{padding-bottom:calc(var(--bar-h) + 40px + env(safe-area-inset-bottom))}.crop-wrap{background:var(--c-crop-bg);height:min(56vh,460px);position:relative;overflow:hidden}.crop-frame{color:#0000008c!important;border:2px solid #fff!important}.crop-overlay{pointer-events:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.band-preview{color:#fff;position:relative;overflow:hidden}.bp-band{position:absolute;left:0;right:0}.bp-text{white-space:pre;position:absolute}.bp-block{background:#ffffff59;border-radius:3px;position:absolute;transform:scaleY(.6)}.bp-watermark{text-shadow:0 1px 2px #00000080;font-weight:600;position:absolute}.crop-hint{text-align:center;color:#ffffffb3;pointer-events:none;font-size:12px;position:absolute;bottom:6px;left:0;right:0}.form{padding:var(--gap);flex-direction:column;gap:14px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field .label{font-size:14px;font-weight:500}.field input{border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-bg);width:100%;color:var(--c-text);padding:10px 12px;font-size:16px}.price-input{border:1px solid var(--c-border);border-radius:var(--radius);align-items:center;padding-left:12px;display:flex}.price-input input{border:none;outline:none;padding-left:6px}.price-input:focus-within{outline:2px solid var(--c-primary);outline-offset:-1px}.price-input .prefix{color:var(--c-text-muted)}.help{color:var(--c-text-muted);font-size:12px}.result section{padding:12px var(--gap)}.sec-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.sec-head h2{margin:0 0 8px;font-size:16px}.generating{padding:80px var(--gap);text-align:center;color:var(--c-text-muted)}.collage-row{align-items:flex-start;gap:10px;display:flex;overflow-x:auto}.collage-row img{border:1px solid var(--c-border);cursor:zoom-in;flex:none;width:45%}.single-row{scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:10px;display:flex;overflow-x:auto}.single-row img{scroll-snap-align:start;border-radius:4px;flex:none;width:60%}.copy-text{white-space:pre-wrap;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);-webkit-user-select:text;user-select:text;padding:12px;font-size:14px;line-height:1.6}.copy-btn{width:100%;margin-top:10px}.save-all{width:100%}.longpress-tip{margin:0 var(--gap);background:var(--c-surface);border-radius:var(--radius);padding:10px;font-size:13px}.viewer{z-index:200;background:#000;position:fixed;inset:0}.viewer-track{scroll-snap-type:x mandatory;scrollbar-width:none;width:100%;height:100%;display:flex;overflow-x:auto}.viewer-track::-webkit-scrollbar{display:none}.viewer-slide{scroll-snap-align:center;flex:0 0 100%;justify-content:center;align-items:center;height:100%;display:flex;overflow-y:auto}.viewer-slide img{object-fit:contain;max-width:100%;max-height:100%}.viewer-index{top:calc(12px + env(safe-area-inset-top));text-align:center;color:#fff;pointer-events:none;font-size:14px;position:absolute;left:0;right:0}.viewer-hint{bottom:calc(16px + env(safe-area-inset-bottom));text-align:center;color:#fff9;pointer-events:none;font-size:12px;position:absolute;left:0;right:0}