@keyframes pulse{0%,to{opacity:.4}50%{opacity:.9}}:root{--bg:#f6f8fc;--surface:#ffffff;--surface-2:#f1f4f9;--border:#e3e8f0;--text:#1f2733;--muted:#6b7686;--primary:#5b6cff;--primary-2:#8a5bff;--primary-grad:linear-gradient(135deg, #5b6cff 0%, #8a5bff 100%);--ok:#1faa6a;--warn:#e0892b;--danger:#e0524b;--radius:14px;--shadow:0 6px 24px rgba(31, 39, 51, .08);--shadow-sm:0 2px 8px rgba(31, 39, 51, .06)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.site-header .wrap{gap:18px;height:60px}.logo,.nav,.site-header .wrap{display:flex;align-items:center}.logo{gap:9px;font-weight:800;font-size:19px;color:var(--text)}.logo:hover,.nav>a:hover{text-decoration:none}.logo .mark{width:30px;height:30px;border-radius:9px;background:var(--primary-grad);display:grid;place-items:center;color:#fff;font-size:16px;font-weight:900}.nav{gap:6px;flex:1 1 auto;min-width:0;margin-left:8px}.more>summary,.nav>a{padding:7px 12px;border-radius:9px;font-size:14px;font-weight:600;color:var(--muted)}.nav>a{flex:none;white-space:nowrap;text-decoration:none}.nav>a:hover{background:var(--surface-2);color:var(--text)}.nav>a.active{color:var(--primary);background:#eef0ff}.more{position:relative;flex:none}.more>summary{list-style:none;cursor:pointer;background:var(--surface);border:1px solid var(--border);user-select:none}.more>summary::-webkit-details-marker{display:none}.more[open]>summary{color:var(--primary);border-color:var(--primary)}.more .panel{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column;min-width:150px;z-index:50}.more .panel a{padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;white-space:nowrap}.more .panel a:hover{background:var(--surface-2);color:var(--text)}.more .panel a.active{background:rgba(91,108,255,.12);color:var(--primary);font-weight:700}.hero{padding:64px 0 40px;text-align:center}.hero h1{font-size:clamp(30px,5vw,48px);margin:0 0 14px;letter-spacing:-.5px}.hero p{font-size:18px;color:var(--muted);max-width:680px;margin:0 auto 26px}.btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:0;border-radius:11px;padding:12px 22px;font-size:15px;font-weight:700;background:var(--primary-grad);color:#fff;box-shadow:var(--shadow-sm);transition:transform .12s ease,box-shadow .12s ease}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow);text-decoration:none;color:#fff}.btn.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:none}.btn.ghost{background:0 0;color:var(--primary);padding:8px 14px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.sm{padding:8px 14px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:10px 0 60px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column;gap:8px}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:#eef0ff;margin-bottom:4px}.card h3{margin:0;font-size:18px;color:var(--text)}.card p{font-size:14px;flex:1}.card .go,.field>label{font-weight:700;font-size:14px}.card .go{margin-top:6px;color:var(--primary)}.seo-note,.tool-head .crumb{color:var(--muted);font-size:13px}.seo-note{text-align:center;padding-bottom:40px}.tool-head{padding:26px 0 8px}.tool-head .crumb{margin-bottom:8px}.tool-head h1{margin:0 0 6px;font-size:28px}.card p,.tool-head p{margin:0;color:var(--muted)}.tool-layout{display:grid;grid-template-columns:380px 1fr;gap:22px;padding:18px 0 60px;align-items:start}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}.panel.sticky{position:sticky;top:78px}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:26px 16px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--surface-2)}.dropzone.drag,.dropzone:hover{border-color:var(--primary);background:#eef0ff}.dropzone .big{font-size:30px}.dropzone .t{font-weight:700;margin-top:6px}.dropzone .s{color:var(--muted);font-size:13px;margin-top:2px}.file-input{display:none}.field{margin-top:16px}.field>label{display:block;margin-bottom:7px}.field .hint{color:var(--muted);font-size:12px;font-weight:400}.row{display:flex;gap:10px}.row>*{flex:1}input[type=range]{width:100%;accent-color:var(--primary)}.val{font-variant-numeric:tabular-nums;color:var(--primary);font-weight:700}input[type=number],input[type=text],select{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:9px;font-size:14px;background:var(--surface);color:var(--text)}input:focus,select:focus{outline:2px solid #d6dbff;border-color:var(--primary)}.check{display:flex;align-items:center;gap:8px;font-size:14px;margin-top:10px;cursor:pointer}.check input{accent-color:var(--primary);width:16px;height:16px}.divider{height:1px;background:var(--border);margin:18px 0 4px}.seg{display:flex;flex-wrap:wrap;gap:6px}.seg button{border:1px solid var(--border);background:var(--surface);border-radius:9px;padding:7px 11px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}.seg button:hover{border-color:var(--primary);color:var(--text)}.seg button.on{background:#eef0ff;color:var(--primary)}.preset-row{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.preset{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:10px;cursor:pointer;text-align:left;color:var(--text);font-family:inherit}.preset.on,.preset:hover,.seg button.on{border-color:var(--primary)}.preset.on{background:#eef0ff}.preset .name{font-weight:700;font-size:13px}.preset .dim{color:var(--muted);font-size:12px}.results{display:flex;flex-direction:column;gap:12px}.empty{border:1px dashed var(--border);border-radius:12px;padding:40px 16px;text-align:center;color:var(--muted);background:var(--surface)}.compare,.item{display:flex;align-items:center}.item{gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:var(--shadow-sm)}.item .thumb{width:72px;height:72px;border-radius:9px;object-fit:cover;flex:none}.compare{gap:8px;flex:none}.cmp,.item .thumb{background:var(--surface-2)}.cmp{position:relative;width:60px;height:60px;border-radius:8px;overflow:hidden}.cmp img{width:100%;height:100%;object-fit:cover;display:block}.cmp span{position:absolute;left:0;bottom:0;font-size:10px;line-height:1.4;background:rgba(0,0,0,.55);color:#fff;padding:1px 5px;border-radius:0 6px 0 6px}.arrow{color:var(--muted);font-size:16px}.exif-card{align-items:flex-start}.exif-box{margin-top:6px;background:var(--surface-2);border-radius:9px;padding:8px 10px;max-height:180px;overflow:auto}.exif-row{display:flex;justify-content:space-between;gap:10px;font-size:12px;padding:2px 0;border-bottom:1px dashed var(--border)}.exif-row:last-child{border-bottom:0}.exif-note,.exif-row span{color:var(--muted)}.exif-row b{text-align:right;word-break:break-all}.exif-note{font-size:12px;padding:4px 0}.exif-warn{margin-top:6px;font-size:12px;color:var(--warn);font-weight:700}.exif-row b.gps{color:var(--danger)}.grid-out{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grid-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:8px;display:flex;flex-direction:column;gap:6px;align-items:stretch}.grid-item img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:6px;background:var(--surface-2)}.grid-item .btn{width:100%}@media (max-width:560px){.grid-out{grid-template-columns:repeat(2,1fr)}}.item .meta{flex:1;min-width:0}.item .meta .nm{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item .meta .sub{font-size:12px;color:var(--muted)}.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px}.badge.ok{background:#e4f6ec;color:var(--ok)}.badge.warn{background:#fdf0e0;color:var(--warn)}.item .acts{display:flex;gap:8px;flex:none}.summary{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:12px;flex-wrap:wrap}.summary .stat{font-size:13px;color:var(--muted)}.summary .stat b{color:var(--text);font-size:16px;display:block}.stage-wrap{position:relative;background:#0e1116;border-radius:12px;overflow:hidden;display:grid;place-items:center;min-height:320px;user-select:none}#stage{max-width:100%;max-height:60vh;display:block}.crop-box{position:absolute;border:1.5px solid #fff;box-shadow:0 0 0 9999px rgba(0,0,0,.5);cursor:move;touch-action:none}.crop-box::after,.crop-box::before{content:"";position:absolute;inset:0;pointer-events:none}.crop-box::before{border-left:1px solid rgba(255,255,255,.4);border-right:1px solid rgba(255,255,255,.4);left:33.33%;right:33.33%}.crop-box::after{border-top:1px solid rgba(255,255,255,.4);border-bottom:1px solid rgba(255,255,255,.4);top:33.33%;bottom:33.33%}.handle{position:absolute;width:14px;height:14px;background:#fff;border-radius:50%;border:2px solid var(--primary)}.handle.tl{left:-7px;top:-7px;cursor:nwse-resize}.handle.tr{right:-7px;top:-7px;cursor:nesw-resize}.handle.bl{left:-7px;bottom:-7px;cursor:nesw-resize}.handle.br{right:-7px;bottom:-7px;cursor:nwse-resize}.site-footer{border-top:1px solid var(--border);padding:26px 0;color:var(--muted);font-size:13px;text-align:center}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:#1f2733;color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);opacity:0;transition:opacity .2s,transform .2s;z-index:100;pointer-events:none}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.tool-layout{grid-template-columns:1fr}.panel.sticky{position:static}}@media (max-width:560px){.grid{grid-template-columns:1fr}.nav{display:none}}.item{content-visibility:auto;contain-intrinsic-size:auto 96px}.progress{display:none;align-items:center;gap:12px;margin-bottom:12px}.progress.show{display:flex}.progress .bar{flex:1;height:8px;border-radius:6px;background:var(--surface-2);overflow:hidden}.progress .bar>i{display:block;height:100%;width:0;background:var(--primary-grad);transition:width .2s ease}.progress .txt,.theme-toggle{font-size:13px;color:var(--muted)}.progress .txt{white-space:nowrap}.item.pending{opacity:.65}.item.pending .thumb{animation:pulse 1.1s ease-in-out infinite}.theme-toggle{border:1px solid var(--border);background:var(--surface);border-radius:9px;padding:6px 11px;cursor:pointer}.theme-toggle:hover{color:var(--text);border-color:var(--primary)}.privacy-badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:var(--ok);background:#e4f6ec;border:1px solid #bfe6cf;border-radius:999px;padding:5px 11px;white-space:nowrap}[data-theme=dark]{--bg:#0f141c;--surface:#171e29;--surface-2:#1f2937;--border:#2a3744;--text:#e8edf4;--muted:#95a2b3;--primary:#7c8bff;--primary-2:#a87cff;--shadow:0 6px 24px rgba(0,0,0,.35);--shadow-sm:0 2px 8px rgba(0,0,0,.3)}[data-theme=dark] .site-header{background:rgba(23,30,41,.85)}[data-theme=dark] .card .ic,[data-theme=dark] .nav a.active,[data-theme=dark] .preset.on,[data-theme=dark] .seg button.on{background:#232f42}[data-theme=dark] .dropzone{background:#131a24}[data-theme=dark] .stage-wrap{background:#05080c}[data-theme=dark] .toast{background:#e8edf4;color:#0f141c}