:root{--ink:#233b48;--muted:#7c8b93;--teal:#247b75;--pale:#eaf4f1;--line:#e1e8e9;--paper:#fff;--bg:#f6f8f9;--font:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:var(--font);font-size:14px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:9px 13px;transition:.15s}button:hover{border-color:#7aa9a2;background:#f4faf8}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible{outline:3px solid #97c5be;outline-offset:3px}input,textarea,select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #247b7510}textarea{resize:vertical;line-height:1.6}label{display:block;font-size:12px;font-weight:600;margin:18px 0 8px}h1,h2,h3,p{margin-top:0}.muted{color:var(--muted);line-height:1.7}.primary{background:var(--teal);color:#fff;border-color:var(--teal)}.primary:hover{background:#1b6862;color:#fff}.quiet{background:transparent;border-color:transparent;padding:6px 8px}.danger{color:#b75c5c}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--teal);font-weight:700}.brand{display:flex;align-items:center;gap:12px;font:700 24px/1 Georgia,serif;color:var(--teal)}.brand>span{font:700 13px/1.4 var(--font);letter-spacing:2px;color:var(--ink)}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:1px;color:var(--muted)}.sitebar{height:88px;padding:0 6vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.welcome{background:#f8faf9;min-height:100vh}.home-content{max-width:1150px;margin:65px auto;padding:0 30px}.home-content h1,.login-intro h1{font-size:48px;line-height:1.4;letter-spacing:-1.5px;margin:24px 0}.intro,.login-intro>p{font-size:16px;color:var(--muted);line-height:1.9}.home-links{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin-top:42px}.home-card{display:block;background:#fff;padding:28px;border:1px solid var(--line);border-radius:12px;position:relative}.home-card:hover{border-color:#8eb9b0;transform:translateY(-2px)}.home-card small{font-size:10px;color:var(--muted);letter-spacing:1.5px}.home-card h2{margin:18px 0 10px;font-size:24px}.home-card h2 span{float:right;color:var(--teal)}.home-card p{color:var(--muted)}.card-icon{float:right;color:#91b1a8;font-size:27px}.tag{display:inline-block;font-size:11px;border-radius:4px;color:var(--teal);background:var(--pale);padding:5px 9px;margin-top:10px}.home-footer{max-width:1150px;margin:60px auto 25px;padding:0 30px;color:var(--muted);font-size:10px;letter-spacing:2px}.home-footer span{float:right;letter-spacing:0}.login-layout{max-width:1080px;margin:80px auto;display:grid;grid-template-columns:1fr 390px;gap:85px;padding:0 30px}.login-card{padding:36px;background:#fff;border:1px solid var(--line);border-radius:14px;align-self:start;box-shadow:0 20px 60px #193d3010}.login-card h2{font-size:24px;margin:12px 0}.login-card .primary{width:100%;margin-top:16px;text-align:left;padding:13px}.login-card .primary span{float:right}.login-note{font-size:11px;color:var(--muted);line-height:1.7;margin:22px 0 0}.error{color:#bc4d4d;min-height:17px;font-size:12px;margin:12px 0 0}.line-art{display:flex;flex-direction:column;gap:12px;margin:35px 0;color:#8ba69c;font-size:14px}.line-art i{font-style:normal;color:var(--teal)}.line-art b{font-weight:400}.workspace{background:var(--bg);overflow:hidden}.app-header{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 25px}.account{display:flex;align-items:center;gap:10px;font-size:12px}.online-dot{width:6px;height:6px;border-radius:50%;background:#6cab92}.workspace-grid{display:grid;grid-template-columns:226px minmax(400px,1fr) 310px;height:calc(100dvh - 68px)}.sidebar{padding:25px 16px;background:#fff;border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}.sidebar-heading{font-size:12px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.small-caps{font-size:8px;letter-spacing:1.4px;color:#94a1a7}.document-active{background:var(--pale);color:var(--teal);border:none;text-align:left;font-weight:600;padding:13px}.sidebar-label{font-size:10px;color:#95a3a9;margin:27px 10px 12px}.root-item{display:flex;align-items:flex-start;gap:9px;border:0;background:transparent;border-radius:6px;text-align:left;font-size:12px;line-height:1.6;width:100%;padding:10px 8px}.root-item.active{color:var(--teal);background:#f0f6f4}.root-item .root-code{font-size:10px;color:#8ba09e;min-width:17px;padding-top:2px}.sidebar-bottom{margin-top:auto;padding:35px 10px 5px;font-size:10px}.sidebar-bottom p{margin:8px 0}.main-panel{display:flex;flex-direction:column;min-width:0;min-height:0}.document-heading{padding:28px 28px 17px;display:flex;gap:16px;align-items:center;justify-content:space-between;background:#fff}.breadcrumb{font-size:10px;color:#94a0a6;display:flex;gap:10px;margin-bottom:12px}.document-heading h1{font-size:24px;letter-spacing:.5px;margin:0 0 9px}.pill{font-size:10px;letter-spacing:0;font-weight:400;background:#edf5f2;color:var(--teal);padding:4px 7px;border-radius:4px;vertical-align:middle;margin-left:8px}.document-heading p{font-size:10px;margin-bottom:0}.document-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.document-actions button{font-size:11px;white-space:nowrap}.toolbar{padding:15px 28px;display:flex;gap:10px;align-items:center;border-top:1px solid #f0f2f3;border-bottom:1px solid var(--line);background:#fff}.search{margin:0;position:relative;flex:1;min-width:140px;font-weight:400}.search>span{position:absolute;top:9px;left:12px;font-size:19px;color:#8d9b9f}.search input{background:#f6f8f9;font-size:11px;padding:10px 12px 10px 35px}.toolbar>button{font-size:11px;white-space:nowrap}.view-switch{display:flex;gap:2px;background:#f2f5f5;padding:3px;border-radius:7px}.view-switch button{border:0;background:transparent;font-size:11px;white-space:nowrap;padding:7px 9px}.view-switch button.active{background:#fff;color:var(--teal);box-shadow:0 1px 4px #20303013}.view-status{padding:14px 28px;display:flex;gap:12px;font-size:10px;color:var(--muted)}#save-status{margin-left:auto;color:var(--teal)}.tree-stage{flex:1;overflow:auto;padding:3px 28px 25px;background-image:radial-gradient(#d9e2e4 .7px,transparent .7px);background-size:18px 18px;outline:none}.tree{padding:4px 0 22px;min-width:min-content}.tree ul{list-style:none;margin:0;padding:0}.tree .branch{margin:7px 0}.node-line{display:flex;align-items:stretch;gap:7px;max-width:100%;position:relative}.node-card{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid #e0e7e8;background:#fff;min-height:50px;border-radius:8px;box-shadow:0 2px 4px #1b3a3010;width:100%;padding:10px 13px;font-size:12px;position:relative}.node-card::before{content:'';position:absolute;width:3px;top:11px;bottom:11px;left:0;border-radius:0 2px 2px 0;background:var(--node-color,#7cb5a4)}.node-card.selected{border-color:var(--teal);box-shadow:0 0 0 2px #247b7512;background:#fafffd}.node-code{color:#8a9a9c;font:11px ui-monospace,monospace;min-width:20px}.node-name{line-height:1.6;flex:1;overflow-wrap:anywhere}.node-kind{font-size:9px;background:#f3f7f7;padding:3px 5px;border-radius:3px;color:#91a2a5;white-space:nowrap}.node-count{font-size:9px;color:#96a8a6;white-space:nowrap}.toggle{min-width:27px;max-width:27px;padding:0;align-self:center;font-size:17px;height:27px;border-color:#d9e5e1;background:#f7fcfa;color:#6c9489}.toggle-spacer{width:27px;min-width:27px}.tree .children{margin-left:35px;padding-left:20px;border-left:1px solid #cbded7}.branch[data-level="2"]{--node-color:#77a6b4}.branch[data-level="3"]{--node-color:#a599be}.branch[data-level="4"]{--node-color:#c4ae79}.branch[data-level="5"]{--node-color:#b88f9a}.branch[data-level="6"]{--node-color:#8e9aa7}.tree-stage.map .tree>ul{display:flex;flex-direction:column;gap:14px}.tree-stage.map .branch{display:flex;align-items:center;gap:26px;margin:8px 0}.tree-stage.map .node-line{min-width:245px;width:245px}.tree-stage.map .node-card{width:210px;flex-wrap:wrap;gap:5px 10px}.tree-stage.map .node-name{min-width:130px}.tree-stage.map .children{margin-left:0;padding-left:24px;position:relative}.tree-stage.map .children::before{content:'';position:absolute;width:26px;border-top:1px solid #cbded7;left:-26px;top:50%}.canvas-footer{background:#fff;border-top:1px solid var(--line);padding:11px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:9px}.legend{display:flex;align-items:center;flex-wrap:wrap;gap:7px;color:#8b9a9e}.legend i{width:5px;height:5px;background:#7cb5a4;border-radius:50%}.legend i:nth-of-type(2){background:#77a6b4}.legend i:nth-of-type(3){background:#a599be}.legend i:nth-of-type(4){background:#c4ae79}.legend i:nth-of-type(5){background:#b88f9a}.legend i:nth-of-type(6){background:#8e9aa7}.canvas-footer button{font-size:10px;white-space:nowrap}.details{border-left:1px solid var(--line);background:#fff;padding:18px 21px;overflow:auto}.details-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:12px}.details-top button{font-size:20px;padding:0 5px}.detail-empty{padding:80px 10px;text-align:center;color:#899b9d}.detail-empty>span{font-size:35px;font-weight:300;color:#a9c2b8}.detail-empty h3{font-size:14px;margin:22px 0 10px}.detail-empty p{font-size:11px;line-height:1.9}#editor{padding-top:20px}#editor h2{font-size:17px;line-height:1.7;margin:12px 0}#editor label,#editor legend{font-size:11px}#editor input,#editor textarea{font-size:12px;padding:9px 10px}.node-path{font-size:10px;line-height:1.8;color:#9ca6a8;word-break:break-all}fieldset{border:0;margin:19px 0 0;padding:0}legend{padding:0;margin-bottom:12px;font-weight:600}#unit-inputs{display:grid;grid-template-columns:1fr 1fr;gap:10px}#unit-inputs label{display:flex;align-items:center;gap:6px;margin:0;font-weight:400}#unit-inputs input{width:14px;height:14px;accent-color:var(--teal)}.editor-buttons{display:flex;gap:8px;margin:18px 0 9px}.editor-buttons button{font-size:11px}.editor-buttons .primary{flex:1}#editor>.muted{font-size:10px;margin-top:15px}#delete-node{font-size:10px}.empty{padding:65px 20px;text-align:center;color:var(--muted);font-size:12px}dialog{max-width:480px;width:calc(100% - 35px);border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 25px 90px #173d3030;color:var(--ink)}dialog::backdrop{background:#18382e66;backdrop-filter:blur(3px)}dialog h2{font-size:22px;margin:16px 0}dialog p{font-size:12px}.dialog-close{position:absolute;right:15px;top:10px;border:0;font-size:22px;padding:2px 7px}.export-options{display:flex;gap:12px;margin:20px 0}.export-options button{flex:1;text-align:left;padding:17px 14px}.export-options strong{display:block;color:var(--teal);font-size:13px}.export-options span{display:block;font-size:10px;color:var(--muted);margin-top:8px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#263f39;color:#fff;padding:12px 20px;max-width:90vw;border-radius:9px;box-shadow:0 4px 20px #0002;font-size:12px;z-index:20}.text-link{font-size:12px;color:var(--muted)}
@media(min-width:1600px){.workspace-grid{grid-template-columns:245px minmax(400px,1fr) 350px}.tree-stage{padding-left:40px;padding-right:40px}}
@media(max-width:1250px){.workspace-grid{grid-template-columns:185px minmax(320px,1fr) 275px}.document-heading{padding:22px 20px;align-items:flex-start;flex-direction:column}.document-actions{justify-content:flex-start}.toolbar{padding:12px 20px;flex-wrap:wrap}.toolbar .search{flex-basis:100%}.tree-stage{padding:4px 16px 25px}.node-kind{display:none}.details{padding:17px}.legend{display:none}}
@media(max-width:900px){.workspace-grid{grid-template-columns:170px minmax(0,1fr)}.details{display:none;position:fixed;right:0;top:68px;bottom:0;width:330px;max-width:95vw;z-index:5;box-shadow:-15px 0 40px #23483d20}.details.open{display:block}.node-kind{display:inline}.login-layout{gap:30px;grid-template-columns:1fr 350px}.login-intro h1{font-size:35px}}
@media(max-width:620px){.sitebar{height:70px;padding:0 22px}.home-content{margin-top:40px;padding:0 22px}.home-content h1{font-size:34px}.home-links{grid-template-columns:1fr}.home-footer{padding:0 22px;line-height:2}.home-footer span{float:none;display:block}.login-layout{display:block;margin:30px auto;padding:0 20px}.login-intro{display:none}.login-card{padding:27px;max-width:400px;margin:auto}.app-header{padding:0 16px;height:60px}.brand>span{font-size:11px}.account{font-size:10px;gap:5px}.account .quiet{font-size:10px}.workspace-grid{grid-template-columns:1fr;height:calc(100dvh - 60px)}.sidebar{display:none}.document-heading{padding:18px 16px 14px;gap:12px}.document-heading h1{font-size:22px}.breadcrumb{margin-bottom:8px}.document-actions{width:100%}.document-actions button{flex:1;font-size:10px;padding:8px}.toolbar{padding:12px 16px;gap:7px}.toolbar>button{font-size:10px;padding:8px}.view-switch button{font-size:10px;padding:6px}.view-status{padding:12px 16px;font-size:9px}.tree-stage{padding:0 12px 20px}.node-card{padding:9px 10px;font-size:11px;min-height:48px;gap:5px}.node-kind{display:none}.node-code{min-width:17px;font-size:10px}.node-count{font-size:8px}.tree .children{margin-left:12px;padding-left:8px}.toggle{width:22px;min-width:22px;max-width:22px;height:24px}.toggle-spacer{width:22px;min-width:22px}.node-line{gap:4px}.details{top:60px}.canvas-footer{padding:8px 12px}.canvas-footer button{font-size:10px}.tree-stage.map .children{padding-left:20px}.tree-stage.map .node-line{min-width:220px;width:220px}.tree-stage.map .node-card{width:195px}}
.progress-rule{margin:0;padding:6px 24px 12px;color:#697e85;font-size:11px;line-height:1.7;border-bottom:1px solid var(--line)}.progress-rule button{font-size:11px;color:var(--teal)}.node-progress{display:flex;align-items:center;gap:5px;min-width:70px;font-size:11px;color:var(--teal);margin-left:auto}.node-progress progress{width:36px;height:5px;accent-color:var(--teal)}.file-count{color:#7c8b93;font-size:10px;white-space:nowrap}.node-actions{display:flex;flex-shrink:0;gap:2px}.node-actions button{font-size:10px;padding:5px;white-space:nowrap}.node-card{min-width:0}.node-name{overflow-wrap:anywhere}.wide-dialog{width:850px;max-width:95vw;max-height:90dvh;overflow:auto;padding:28px}.file-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin:10px 0}.file-toolbar select{width:auto;max-width:220px}.file-toolbar input{flex:1;min-width:140px}.file-row{padding:14px 0;border-bottom:1px solid var(--line)}.file-link{color:var(--teal);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere;line-height:1.7}.file-meta{font-size:11px;color:var(--muted);margin:5px 0}.file-path{font-size:11px;line-height:1.6;overflow-wrap:anywhere;color:#6d7f87;margin:5px 0}.file-toolbar .quiet{font-size:11px;border:1px solid var(--line)}#node-files{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}#node-files h3{font-size:14px}.sticky-actions{position:sticky;bottom:-28px;background:white;padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid var(--line)}.signoff-row{border-bottom:1px solid var(--line);padding:14px 0}.signoff-row strong{display:inline-block;margin-right:12px;color:var(--teal)}.signoff-row span{font-size:11px;color:var(--muted)}.signoff-row p{margin:7px 0;font-size:12px}.tree-stage.map .node-line{width:360px;min-width:360px;flex-wrap:wrap}.tree-stage.map .node-card{width:320px;flex-wrap:wrap}.tree-stage.map .node-actions{padding-left:30px}.editor-buttons{flex-wrap:wrap}@media(max-width:620px){.progress-rule{padding:6px 16px;font-size:10px}.node-line{flex-wrap:wrap}.node-actions{margin-left:26px}.node-card{flex:1;flex-wrap:wrap}.node-kind{display:none}.node-progress{min-width:55px}.file-count{font-size:9px}.wide-dialog{padding:20px}.sticky-actions{bottom:-20px}.tree-stage.map .node-line{width:280px;min-width:280px}.tree-stage.map .node-card{width:245px;flex:none}}