:root{--brand:#1967d2;--brand2:#0b57d0;--ink:#172033;--muted:#667085;--line:#e4e7ec;--bg:#f6f8fb;--panel:#fff;--ok:#067647;--danger:#b42318;--shadow:0 12px 34px rgba(16,24,40,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:10px;background:#fff;padding:8px 12px;z-index:99}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{max-width:1180px;margin:auto;padding:0 20px;display:flex;align-items:center;min-height:68px;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#64a3ff);color:#fff}.tabs{display:flex;gap:6px;overflow:visible}.tabs a{padding:9px 14px;border-radius:9px;color:#475467;white-space:nowrap}.tabs a:hover,.tabs a.active{background:#edf4ff;color:var(--brand2);font-weight:650}.hero{max-width:1180px;margin:0 auto;padding:48px 20px 28px}.eyebrow{color:var(--brand);font-size:14px;font-weight:750;letter-spacing:.08em}.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.15;margin:10px 0 14px}.hero p{max-width:720px;color:var(--muted);margin:0}.workspace{max-width:1180px;margin:0 auto 64px;padding:0 20px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);gap:24px;align-items:start}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px}.card h2{font-size:20px;margin:0 0 18px}.field{display:block;margin:0 0 17px}.field>span,.field-label{display:block;margin:0 0 7px;font-size:14px;font-weight:650}.control{width:100%;border:1px solid #cfd4dc;border-radius:10px;background:#fff;color:var(--ink);padding:11px 13px;outline:none;transition:.2s}.control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(25,103,210,.13)}textarea.control{min-height:170px;resize:vertical}.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.btn{border:0;border-radius:10px;padding:10px 17px;font-weight:700;cursor:pointer;transition:.15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:#eef2f6;color:#344054}.btn-danger{background:#fff1f0;color:var(--danger)}.result{min-height:410px;display:flex;flex-direction:column}.preview{flex:1;min-height:280px;display:grid;place-items:center;border:1px dashed #cfd4dc;border-radius:12px;background:linear-gradient(45deg,#fbfcfe 25%,transparent 25%) 0 0/16px 16px;overflow:auto;padding:24px}.preview canvas,.preview img,.preview svg{max-width:100%;height:auto}.status{min-height:26px;margin:12px 0 0;color:var(--muted);font-size:14px}.status.ok{color:var(--ok)}.status.error{color:var(--danger)}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.editor-grid textarea{min-height:430px;font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}.output{white-space:pre;overflow:auto;tab-size:2}.wide{grid-column:1/-1}.info{max-width:1180px;margin:0 auto 60px;padding:0 20px}.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.info h2{margin-top:0}.info li{margin:6px 0}.site-footer{border-top:1px solid var(--line);background:#fff;color:var(--muted)}.footer-inner{max-width:1180px;margin:auto;padding:24px 20px;display:flex;justify-content:space-between;gap:20px}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.count{float:right;color:var(--muted);font-weight:400}.hidden{display:none!important}@media(max-width:780px){.nav{align-items:flex-start;flex-direction:column;gap:8px;padding-top:12px;padding-bottom:10px}.tabs{width:100%;flex-wrap:wrap}.hero{padding-top:34px}.workspace,.editor-grid{grid-template-columns:1fr}.result{min-height:360px}.row{grid-template-columns:1fr}.footer-inner{flex-direction:column}.card{padding:18px}}
.file-control{padding:8px}.hint{display:block;margin-top:6px;color:var(--muted);font-size:13px}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:18px}.check{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:10px}.password-list{min-height:280px;white-space:pre-wrap;word-break:break-all;font:17px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.strength{height:8px;border-radius:99px;background:#e4e7ec;overflow:hidden;margin-top:10px}.strength>i{display:block;height:100%;width:25%;background:#d92d20;transition:.2s}.strength.medium>i{width:60%;background:#f79009}.strength.strong>i{width:100%;background:#12b76a}@media(max-width:780px){.check-grid{grid-template-columns:1fr}}
.json-result-field{min-width:0}.json-tree{height:430px;min-height:430px;overflow:auto;white-space:nowrap;font:14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.json-tree:empty::before{content:'处理结果会显示在这里';color:#98a2b3}.json-node{position:relative}.json-row{min-height:23px}.json-children{padding-left:20px}.json-toggle{display:inline-grid;place-items:center;width:18px;height:18px;margin-right:2px;padding:0;border:0;background:transparent;color:#667085;cursor:pointer;vertical-align:-2px}.json-toggle::before{content:'▾';font-size:12px}.json-toggle:hover{color:var(--brand)}.json-node.collapsed>.json-children,.json-node.collapsed>.json-close{display:none}.json-node.collapsed>.json-row>.json-toggle::before{content:'▸'}.json-summary{display:none;color:#98a2b3;cursor:pointer}.json-node.collapsed>.json-row>.json-summary{display:inline}.json-key{color:#92278f}.json-string{color:#067647}.json-number{color:#175cd3}.json-boolean{color:#b54708}.json-null{color:#667085;font-style:italic}.json-punctuation{color:#475467}.json-close{padding-left:20px}.json-comma{color:#475467}@media(max-width:780px){.json-tree{height:360px;min-height:360px}.json-result-field .count{display:none}}
#baseInput,#baseOutput{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-all;overflow-x:hidden}
.nav-image-menu{position:relative;flex:0 0 auto}.nav-image-trigger{display:flex!important;align-items:center;gap:5px}.nav-image-trigger span{font-size:11px;transition:.15s}.nav-submenu{position:absolute;top:calc(100% + 8px);right:0;z-index:40;display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));width:340px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(16,24,40,.16);opacity:0;visibility:hidden;transform:translateY(-5px);transition:.15s}.nav-submenu::before{content:'';position:absolute;left:0;right:0;top:-10px;height:10px}.nav-submenu a{padding:9px 10px!important;font-size:14px;font-weight:400!important}.nav-image-menu:hover .nav-submenu,.nav-image-menu:focus-within .nav-submenu{opacity:1;visibility:visible;transform:none}.nav-image-menu:hover .nav-image-trigger span{transform:rotate(180deg)}
.image-tool-layout{max-width:1180px;margin:0 auto 64px;padding:0 20px;display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start}.image-tool-list{position:sticky;top:92px;padding:16px}.image-tool-list h2{padding:4px 10px 10px;margin:0}.image-tool-list a{display:block;padding:9px 11px;border-radius:8px;color:#475467;font-size:14px}.image-tool-list a:hover,.image-tool-list a.active{background:#edf4ff;color:var(--brand2);font-weight:700}.image-workbench{min-width:0}.image-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:130px;padding:20px;border:2px dashed #b9c2d0;border-radius:14px;background:#f8faff;text-align:center;cursor:pointer;transition:.2s}.image-drop:hover,.image-drop.dragging{border-color:var(--brand);background:#edf4ff}.image-drop input{position:absolute;width:1px;height:1px;opacity:0}.image-drop-icon{display:grid;place-items:center;width:38px;height:38px;margin-bottom:6px;border-radius:50%;background:#e2ecff;color:var(--brand);font-size:25px}.image-drop small{color:var(--muted)}.image-meta{min-height:28px;padding:8px 0;color:var(--muted);font-size:14px}.image-settings{padding:18px 0;border-top:1px solid var(--line)}.image-settings h2{margin-bottom:8px}.image-input-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.image-preview-wrap{position:relative;display:flex;justify-content:center;align-items:center;min-height:280px;margin-top:18px;padding:20px;overflow:auto;border:1px dashed #cfd4dc;border-radius:12px;background-color:#f7f8fa;background-image:linear-gradient(45deg,#e9ecf1 25%,transparent 25%),linear-gradient(-45deg,#e9ecf1 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9ecf1 75%),linear-gradient(-45deg,transparent 75%,#e9ecf1 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.image-preview-wrap::before{content:'图片预览';color:#98a2b3}.image-preview-wrap.has-image::before{display:none}.image-preview-wrap canvas{display:block;max-width:100%;max-height:640px;object-fit:contain;touch-action:none}.crop-selection{position:absolute;display:none;border:2px solid #fff;outline:1px solid var(--brand);background:rgba(25,103,210,.15);pointer-events:none}.image-download-actions{justify-content:flex-end}.pdf-pages{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:18px}.pdf-page-card{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--line);border-radius:12px}.pdf-page-card canvas{width:100%;height:auto;border:1px solid var(--line)}.json-plain-result{white-space:pre!important}
@media(max-width:900px){.image-tool-layout{grid-template-columns:1fr}.image-tool-list{position:static;display:flex;overflow:auto;gap:4px}.image-tool-list h2{display:none}.image-tool-list a{white-space:nowrap}.image-input-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:780px){.nav-image-menu{position:static}.nav-submenu{position:fixed;left:12px;right:12px;top:124px;width:auto;max-height:60vh;overflow:auto}.image-tool-layout{padding:0 14px}.image-input-grid{grid-template-columns:1fr 1fr}.image-workbench{padding:16px}}
.crop-selection{pointer-events:auto;cursor:move;touch-action:none}.crop-selection::after{content:'拖动移动';position:absolute;left:50%;top:50%;padding:3px 8px;border-radius:5px;background:rgba(25,103,210,.82);color:#fff;font:12px/1.4 sans-serif;white-space:nowrap;transform:translate(-50%,-50%);opacity:.8}.crop-selection.dragging::after{content:'移动中';opacity:1}
.nav-doc-menu{position:relative;flex:0 0 auto}.nav-doc-trigger{display:flex!important;align-items:center;gap:5px}.nav-doc-trigger span{font-size:11px;transition:.15s}.nav-doc-submenu{position:absolute;top:calc(100% + 8px);right:0;z-index:40;display:grid;width:180px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(16,24,40,.16);opacity:0;visibility:hidden;transform:translateY(-5px);transition:.15s}.nav-doc-submenu::before{content:'';position:absolute;left:0;right:0;top:-10px;height:10px}.nav-doc-submenu a{padding:9px 10px!important;font-size:14px;font-weight:400!important}.nav-doc-menu:hover .nav-doc-submenu,.nav-doc-menu:focus-within .nav-doc-submenu{opacity:1;visibility:visible;transform:none}.nav-doc-menu:hover .nav-doc-trigger span{transform:rotate(180deg)}
.document-layout{max-width:980px;margin:0 auto 64px;padding:0 20px}.document-switch{display:flex;gap:8px;margin-bottom:20px}.document-switch a{padding:10px 18px;border-radius:10px;background:#eef2f6;color:#344054;font-weight:700}.document-switch a.active{background:var(--brand);color:#fff}.document-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:170px;padding:24px;border:2px dashed #b9c2d0;border-radius:14px;background:#f8faff;text-align:center;cursor:pointer}.document-drop:hover,.document-drop.dragging{border-color:var(--brand);background:#edf4ff}.document-drop input{position:absolute;width:1px;height:1px;opacity:0}.document-drop strong{font-size:18px}.document-drop small{color:var(--muted)}.document-preview{min-height:260px;max-height:640px;margin-top:20px;padding:28px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.document-preview:empty::before{content:'文档内容预览';color:#98a2b3}.document-preview img{max-width:100%}.document-page{max-width:794px;min-height:560px;margin:auto;color:#111;background:#fff;font:16px/1.7 Arial,"Microsoft YaHei",sans-serif}.document-page table{border-collapse:collapse;max-width:100%}.document-page td,.document-page th{padding:5px;border:1px solid #bbb}.document-page img{max-width:100%}.doc-progress{height:8px;margin:15px 0;border-radius:99px;background:#e4e7ec;overflow:hidden}.doc-progress i{display:block;width:0;height:100%;background:var(--brand);transition:.2s}@media(max-width:780px){.nav-doc-menu{position:static}.nav-doc-submenu{position:fixed;left:12px;right:12px;top:124px;width:auto}.document-layout{padding:0 14px}.document-preview{padding:14px}}
.pdf-word-options{margin:8px 0 18px}.pdf-word-options .check-grid{margin-bottom:0}.pdf-word-options .check{align-items:flex-start}.pdf-word-options .check span{display:flex;flex-direction:column}.pdf-word-options small{color:var(--muted);font-size:12px;font-weight:400}