@charset "UTF-8";
:root{--paper:#f8f7f3;--white:#fff;--ink:#232825;--muted:#7b817a;--green:#32594a;--green-deep:#264838;--sage:#eaf0e8;--line:#e2e4dc;--orange:#9c733d;--radius:14px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.42}:is(button,a,input,select,[tabindex]):focus-visible{outline:3px solid #80a88e;outline-offset:4px}button{border:0;background:none}a{color:inherit;text-decoration:none}svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.65;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.hidden{display:none!important}.app-shell{display:grid;grid-template-columns:222px minmax(0,1fr);min-height:100vh}.sidebar{border-right:1px solid var(--line);padding:43px 24px 30px 28px;position:fixed;left:0;top:0;bottom:0;width:222px;display:flex;flex-direction:column;z-index:10;background:var(--paper)}.brand{display:flex;gap:12px;align-items:center;margin:0 0 57px 9px;width:fit-content}.brand-mark{width:36px;height:43px;color:var(--green)}.brand-mark svg{width:100%;height:100%;stroke-width:1.7}.brand-words strong{font-size:24px;font-weight:600;letter-spacing:4px;line-height:1.3}.brand-words>span{display:block;font-size:8px;letter-spacing:3.6px;color:var(--muted);margin-top:4px}.nav-eyebrow{font-size:11px;color:#969c93;letter-spacing:1.5px;margin:0 0 14px 16px}.nav-tools{display:grid;gap:7px}.nav-item{display:flex;align-items:center;gap:13px;text-align:left;padding:15px 16px;border-radius:8px;color:#777f76;font-size:13px}.nav-item svg{width:18px;height:18px}.nav-item:hover{background:#f0f1ea;color:var(--green)}.nav-item.active{background:var(--sage);color:var(--green);font-weight:600}.nav-item i{margin-left:auto;width:4px;height:4px;border-radius:50%;background:var(--green)}.sidebar-bottom{margin-top:auto;padding:0 14px}.small-leaf{font-family:Georgia,serif;font-size:30px;color:#a8b5a0}.sidebar-bottom p{font-size:12px;line-height:1.9;color:#8b9287;margin:9px 0 30px}.version{font-size:10px;color:#a1a69c}.main{grid-column:2;padding:0 54px 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#dce1d4;background:#f0f3ec;border-radius:var(--radius);min-height:330px;position:relative;display:grid;grid-template-columns:1.12fr 1fr;overflow:hidden;transition:background .2s,border-color .2s}.upload-workspace.dragover{background:#e2ecdf;border-color:var(--green);outline:2px dashed var(--green);outline-offset:-10px}.upload-content{padding:33px 38px;z-index:1}.tool-caption{display:flex;align-items:center;gap:11px;font-size:11px;color:#74826d}.tool-caption>span:first-child{font-family:Georgia,serif;font-style:italic;font-size:17px;color:#a0af95;padding-right:11px;border-right:1px solid #ccd5c5}.upload-content h2{font-size:24px;letter-spacing:.7px;font-weight:500;margin:18px 0 9px}.upload-content>p{font-size:12px;color:#87917e;line-height:1.6}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:45px;padding:0 22px;border-radius:7px;font-size:13px;font-weight:500;transition:background .15s,transform .15s;border:1px solid transparent}.button:active:not(:disabled){transform:translateY(1px)}.button.primary{background:var(--green);color:white}.button.primary:hover:not(:disabled){background:var(--green-deep)}.button.secondary{background:white;border-color:#dce1d6;color:#59684f}.button.secondary:hover{background:#f7f9f3}.button svg{width:17px;height:17px}.upload-button{margin:14px 0 0;min-width:160px}.upload-content .file-limit{font-size:10px;letter-spacing:.2px;color:#98a08e;margin:12px 0 20px}.demo-line{display:flex;gap:8px;align-items:center;font-size:11px;white-space:nowrap;color:#979f8f}.demo-line button{font-size:11px;display:flex;align-items:center;gap:4px;color:#6e8462;padding:0}.demo-line button:hover{color:var(--green)}.demo-line svg{width:13px;height:13px}.paper-scene{position:relative;align-self:center;justify-self:center;width:290px;height:282px;margin-right:12px}.paper-back{position:absolute;width:162px;height:216px;top:20px;left:48px;background:#e5eadf;border:1px solid #d9e1d0;border-radius:3px;transform:rotate(-9deg)}.paper-main{position:absolute;width:165px;height:216px;left:69px;top:21px;background:#fffefa;border:1px solid #dfe3d8;border-radius:3px;box-shadow:0 9px 13px #35402a06;padding:21px 18px;transform:rotate(4deg)}.paper-label{font-size:6px;letter-spacing:1.1px;color:#adb5a5}.paper-heading{height:6px;width:60px;background:#b9c5ae;margin:16px 0 14px}.paper-lines{display:grid;gap:5px}.paper-lines i{height:3px;background:#e4e8dc}.paper-lines i:nth-child(2){width:88%}.paper-lines i:nth-child(3){width:67%}.paper-table{height:38px;display:grid;grid-template-columns:1fr 1.3fr 1fr;margin:15px 0 12px;border-top:1px solid #e0e5d7;border-left:1px solid #e0e5d7}.paper-table i{border-right:1px solid #e0e5d7;border-bottom:1px solid #e0e5d7}.paper-lines.short{width:75%}.paper-stamp{display:flex;align-items:center;gap:4px;position:absolute;bottom:17px;right:15px;border:1px solid #d9e5d1;background:#f1f6ed;border-radius:3px;color:#8aa177;padding:4px 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white}.selection-rect::before{left:-3px;top:-3px}.selection-rect::after{right:-3px;bottom:-3px}.selection-rect.after{background:#fff;border:none;box-shadow:none}.selection-rect.after::before,.selection-rect.after::after{display:none}.selection-rect .region-label{position:absolute;bottom:100%;left:-1px;background:var(--green);font-size:9px;color:white;line-height:1.7;padding:2px 5px;white-space:nowrap}.selection-rect.after .region-label{display:none}.page-strip{border-top:1px solid #dce1d5;padding:13px 18px;display:flex;gap:10px;overflow:auto;min-height:103px}.page-thumb{position:relative;min-width:48px;max-width:54px;padding:3px 3px 16px;border:1.5px solid transparent;border-radius:4px;display:flex;flex-direction:column;justify-content:center;align-items:center}.page-thumb.active{border-color:#77956a;background:#e3ebdd}.page-thumb img{width:39px;height:50px;object-fit:contain;background:white;border:1px solid #dce1d5}.page-thumb 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10px;font-size:10px;color:#8c9c7b}input[type=range]{accent-color:var(--green);width:100%;height:15px;margin:0 0 5px}input[type=checkbox]{accent-color:var(--green);width:15px;height:15px;margin:2px 0 0;flex-shrink:0}.check-row{display:flex;align-items:flex-start;gap:9px;font-size:11px;color:#657756;line-height:1.8;cursor:pointer}.check-row small{display:block;color:#a2ab95;font-size:9px}.check-row.confirm-row{font-size:10px;line-height:1.9;margin:19px 0 16px}.subtle-notice{display:flex;gap:8px;background:#f4f4ed;padding:12px 10px;border-radius:5px;margin:20px 0 0;color:#8f957d}.subtle-notice>span{font-family:Georgia,serif;font-size:10px;width:14px;height:14px;border:1px solid #b9bda8;border-radius:50%;text-align:center;line-height:12px;flex-shrink:0}.subtle-notice p{font-size:10px;line-height:1.8;margin:0}.export-note{font-size:9px;color:#a5ad99;line-height:1.9;margin:11px 1px 0}.candidates{display:grid;gap:6px;margin-bottom:8px}.candidate-button{border:1px solid #dbe5d4;border-radius:5px;padding:8px;text-align:left;font-size:10px;line-height:1.6;color:#587149;background:#f3f7ef}.candidate-button:hover{background:#e9f0e1}select{width:100%;min-height:38px;padding:8px 10px;border:1px solid #dce2d5;border-radius:5px;background:white;color:#67775a;font-size:11px}.inline-actions{display:flex;gap:8px}.inline-actions>button{flex:1}.image-export{margin-top:14px}#pages-export{margin-top:23px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);max-width:min(600px,calc(100vw - 32px));padding:13px 20px;background:#263e2e;color:white;box-shadow:0 5px 20px #1e35251c;border-radius:8px;font-size:12px;line-height:1.8;z-index:100}.toast.error{background:#704c3d}.busy-overlay{position:fixed;inset:0;background:#f8f7f3d9;backdrop-filter:blur(3px);z-index:200;display:flex;align-items:center;justify-content:center}.busy-box{width:320px;text-align:center;padding:36px 22px}.busy-box h2{font-size:20px;font-weight:500;margin:20px 0 10px}.busy-box p{font-size:12px;color:#87967a;line-height:1.8}.spinner{display:inline-block;width:30px;height:30px;border:2px solid #dce4d4;border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite}.indeterminate{width:160px;height:3px;background:#e2e8da;border-radius:3px;overflow:hidden;margin:22px auto 0}.indeterminate i{display:block;width:45%;height:100%;background:#6e9162;animation:progress 1.5s ease-in-out infinite}.modal{border:1px solid #e1e6d9;border-radius:13px;padding:37px;width:min(440px,calc(100vw - 32px));color:var(--ink);background:#fffefb}.modal::backdrop{background:#17241955;backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:12px;top:12px}.result-icon{display:flex;align-items:center;justify-content:center;width:47px;height:47px;border-radius:50%;background:var(--sage);color:var(--green);margin-bottom:22px}.modal h2{font-size:23px;font-weight:500;line-height:1.5;margin:12px 0 14px}.result-name{font-size:12px;color:#536b49;background:#f2f5ed;padding:11px;border-radius:5px;overflow-wrap:anywhere}.result-detail{font-size:11px;color:#99a18e;line-height:1.85;margin:15px 0 24px}.result-hint{font-size:10px;color:#9aa38f;text-align:center;margin:13px 0}.modal>.text-button{display:flex;margin:auto;font-size:11px}.help-modal{width:min(495px,calc(100vw - 32px))}.help-modal ol{padding-left:20px;margin:25px 0}.help-modal li{padding-left:3px;margin-bottom:17px;color:#748969;font-size:12px}.help-modal li strong{font-size:12px;font-weight:500}.help-modal li p{font-size:11px;line-height:1.85;color:#91a085;margin:6px 0}.help-privacy{display:flex;gap:9px;padding:14px;background:var(--sage);border-radius:6px;color:#6f8562}.help-privacy svg{width:18px;height:18px}.help-privacy p,.help-warning{font-size:10px;line-height:1.9;margin:0}.help-warning{color:#a2aa94;margin-top:14px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes progress{from{transform:translateX(-100%)}to{transform:translateX(330%)}}
@media(min-width:1500px){.main{padding-left:74px;padding-right:74px}.intro{padding-top:63px}.upload-workspace{min-height:355px}.upload-content{padding-top:40px;padding-bottom:40px}.paper-scene{transform:scale(1.1)}}
@media(max-width:1120px){.app-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{width:190px;padding-left:18px;padding-right:18px}.main{padding-left:34px;padding-right:34px}.home-bottom{grid-template-columns:1fr;gap:20px}.trust-note{padding-left:0}.intro h1{font-size:37px}.upload-content{padding-left:28px;padding-right:18px}.paper-scene{transform:scale(.9);width:245px}.workbench{grid-template-columns:minmax(0,1fr) 250px}.settings-pane{padding:24px 17px}.canvas-area{padding:21px 17px}.preview-toolbar{padding:10px 14px}}
@media(max-width:900px){.sidebar{width:162px;padding-left:12px;padding-right:12px}.app-shell{grid-template-columns:162px minmax(0,1fr)}.brand{gap:8px;margin-left:12px}.brand-words strong{font-size:21px}.brand-mark{width:30px}.nav-item{padding:13px 11px;gap:10px;font-size:12px}.main{padding:0 23px 35px}.paper-scene{transform:scale(.8);width:200px}.upload-workspace{grid-template-columns:1.15fr 1fr}.upload-content{padding-left:24px}.upload-content h2{font-size:21px}.workbench{grid-template-columns:minmax(0,1fr)}.settings-pane{border-left:0;border-top:1px solid var(--line);padding:25px}.canvas-area{max-height:680px}.document-stage>img{max-height:535px}.settings-pane>div:not(.hidden){max-width:500px;margin:auto}.file-heading h1{font-size:16px}.file-heading{padding:22px 0}}
@media(max-width:640px){:root{font-size:14px}.sidebar{display:none}.app-shell{display:block}.main{padding:0 22px 104px}.topbar{height:78px;border-bottom:none}.mobile-brand{display:flex;gap:8px;align-items:center;font-size:17px;letter-spacing:1px;font-weight:600}.mobile-logo{font-family:Georgia,"Songti SC",serif;font-size:16px;font-weight:400;display:flex;align-items:center;justify-content:center;color:var(--green);border:1px solid #8c9e7d;width:25px;height:28px;border-radius:3px 7px 3px 3px}.breadcrumb{display:none}.help-button{font-size:10px;gap:5px;color:#929b88}.help-button svg{width:16px;height:16px}.intro{padding:24px 0 26px}.intro-overline{font-size:9px;letter-spacing:1px;gap:7px}.intro-overline>span{width:4px;height:4px}.intro h1{font-size:36px;line-height:1.42;letter-spacing:.5px;margin:16px 0 15px;font-weight:500}.mobile-break{display:block}.desktop-break{display:none}.intro p{font-size:11px;line-height:1.95;max-width:310px}.upload-workspace{display:block;min-height:0;border-radius:11px}.upload-content{padding:26px 23px 25px;position:relative;min-height:274px}.tool-caption{font-size:10px;gap:9px}.tool-caption>span:first-child{font-size:15px;padding-right:9px}.upload-content h2{font-size:22px;letter-spacing:.2px;margin:18px 0 9px}.upload-content>p{font-size:10px;max-width:180px;margin-top:8px}.upload-button{min-width:143px;min-height:43px;font-size:12px;margin-top:14px;padding:0 18px;position:relative;z-index:2}.upload-content .file-limit{font-size:8px;white-space:nowrap;margin-top:11px;margin-bottom:21px;max-width:none;color:#97a08c}.demo-line{font-size:9px;gap:7px;position:relative;z-index:2}.demo-line button{font-size:10px}.paper-scene{position:absolute;right:-65px;top:26px;transform:scale(.58);transform-origin:top center;opacity:.83;pointer-events:none;margin:0;width:265px}.paper-note{display:none}.paper-main{top:11px}.paper-back{top:11px}.home-bottom{margin-top:19px;gap:24px}.small-tools{gap:18px;grid-template-columns:1fr 1fr}.small-tools button{padding:14px 0 18px;gap:8px;align-items:flex-start}.tool-icon{padding:8px;border-radius:6px}.tool-icon svg{width:17px;height:17px}.small-tools strong{font-size:11px;line-height:1.3;margin:1px 0 8px}.small-tools small{font-size:8px;white-space:normal;line-height:1.5}.row-arrow{display:none}.trust-note{gap:8px}.trust-note svg{width:16px;height:16px;margin-top:2px}.trust-note p{font-size:9px;line-height:1.85}.home-footnote{font-size:8px;line-height:1.9;margin-top:18px;color:#a8af9c}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#faf9f5f7;border-top:1px solid #e5e8de;z-index:30;padding:10px 12px calc(10px + env(safe-area-inset-bottom));justify-content:space-around;backdrop-filter:blur(12px)}.mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:9px;color:#9ba58f;min-width:75px;padding:0 8px}.mobile-nav svg{width:19px;height:19px}.mobile-nav button.active{color:var(--green);font-weight:500}.file-heading{gap:6px;padding:13px 0 19px;align-items:flex-start}.file-heading>.icon-button{width:27px;height:28px;margin-left:-5px}.file-heading h1{font-size:14px;line-height:1.6;margin-bottom:5px;max-width:230px}.file-heading p{font-size:9px}.delete-task{font-size:0;padding:6px 0 6px 7px}.delete-task svg{width:16px;height:16px}.workbench{margin:0 -7px;border-radius:8px;min-height:0}.preview-toolbar{padding:9px 12px;height:52px}.view-switch button{font-size:10px;padding:6px 11px}.page-counter{font-size:9px}.canvas-area{padding:20px 15px;min-height:320px;max-height:540px}.document-stage>img{max-height:470px}.page-strip{padding:10px 12px;min-height:94px;gap:9px}.settings-pane{padding:25px 21px}.settings-pane h2{font-size:18px}.panel-description{font-size:11px;margin-bottom:20px}.check-row.confirm-row{font-size:11px}.button{min-height:44px}.export-note{font-size:9px}.toast{bottom:87px;width:max-content;font-size:11px}.modal{padding:30px 25px}.modal h2{font-size:22px}.help-modal h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
.document-stage>img{width:100%;height:auto;max-height:none}
.brand{gap:10px;margin-left:5px}
.brand-mark{width:31px;height:38px;flex-shrink:0}
.brand-words strong{font-size:20px;letter-spacing:1.2px;white-space:nowrap}
.brand-words>span{font-size:8px;letter-spacing:1.5px;color:#68745e}
.home-bottom{align-items:start}
.small-tools{column-gap:24px;row-gap:0}
.trust-note{padding-top:22px}
.preview-label{font-size:11px;line-height:1.8;color:#5f6f55}
.merge-list{display:grid;gap:7px;margin:0 0 21px}
.merge-file{display:flex;align-items:center;gap:10px;width:100%;min-height:62px;padding:10px;text-align:left;border:1px solid #e2e7dd;border-radius:6px;background:#fff}
.merge-file:hover{background:#f6f8f2}
.merge-file.active{border-color:#9fb095;background:#f0f5eb}
.merge-file-number{font-family:Georgia,serif;font-size:16px;color:#617655;flex-shrink:0}
.merge-file-words{min-width:0;display:block}
.merge-file strong{font-size:12px;font-weight:500;line-height:1.7;display:block;overflow-wrap:anywhere}
.merge-file small{display:block;font-size:11px;color:#68745e;margin-top:3px}
.organize-rotate{margin-top:10px}
.organize-summary{font-size:12px;line-height:1.8;color:#536b49;background:#f2f5ed;padding:12px;border-radius:5px;margin-bottom:8px}
#merge-new{justify-content:center;margin-top:10px}
@media(max-width:1120px){.trust-note{padding-top:0}.brand{gap:8px;margin-left:1px}.brand-words strong{font-size:19px;letter-spacing:.6px}.brand-words>span{letter-spacing:1px}}
@media(max-width:900px){.brand-mark{width:27px}.brand{gap:7px;margin-left:1px}.brand-words strong{font-size:17px;letter-spacing:.4px}.brand-words>span{font-size:7px;letter-spacing:.6px}}
/* Readable secondary copy: subdued hierarchy without low-contrast instructions. */
.help-button{color:#65715f}
.intro p{color:#63715b}
.upload-content>p{color:#607054}
.upload-content .file-limit{font-size:11px;color:#5f6f55}
.demo-line{font-size:11px;color:#637259}
.demo-line button{font-size:12px;color:#4f6b42}
.small-tools strong{font-size:13px}
.small-tools small{font-size:11px;line-height:1.6;color:#68745e}
.trust-note{color:#68745e}
.trust-note p{font-size:11px;line-height:1.85}
.home-footnote{font-size:11px;line-height:1.85;color:#68745e}
.file-heading p{font-size:11px;color:#5f6f55}
.panel-eyebrow{font-size:11px;color:#5f6f55}
.panel-description{font-size:12px;color:#68745e}
.setting-label{font-size:12px}
.setting-label>span{font-size:11px;color:#5f6f55}
.setting-group .button{font-size:12px}
.range-row{font-size:11px;color:#68745e}
.text-button.muted{font-size:12px;color:#68745e}
.check-row{font-size:12px}
.check-row small{font-size:11px;color:#5f6f55}
.check-row.confirm-row{font-size:12px}
.subtle-notice{color:#65715c}
.subtle-notice p{font-size:11px;line-height:1.9}
.export-note{font-size:11px;line-height:1.9;color:#68745e}
.candidate-button{font-size:11px}
select{font-size:12px}
.page-counter{font-size:11px;color:#5f6f55}
.result-detail{font-size:12px;color:#68745e}
.result-hint{font-size:11px;color:#68745e}
.help-modal li{font-size:12px;color:#65715c}
.help-modal li strong{font-size:13px}
.help-modal li p{font-size:12px;color:#68745e}
.help-privacy{color:#65715c}
.help-privacy p,.help-warning{font-size:11px;line-height:1.9}
.help-warning{color:#68745e}
@media(max-width:640px){
  .intro-overline{font-size:11px;color:#5f6f55}
  .intro p{font-size:13px;line-height:1.85}
  .help-button{font-size:11px}
  .tool-caption{font-size:11px;color:#65765b}
  .upload-content>p{font-size:12px;max-width:190px;line-height:1.8}
  .upload-content .file-limit{font-size:11px;white-space:normal;max-width:none;line-height:1.8}
  .upload-content{padding-bottom:25px}
  .demo-line{font-size:11px;flex-wrap:wrap;row-gap:5px}
  .demo-line button{font-size:12px}
  .small-tools{gap:15px}
  .small-tools strong{font-size:12px}
  .small-tools small{font-size:11px}
  .trust-note p,.home-footnote{font-size:11px}
  .file-heading p{font-size:11px;line-height:1.8}
  .view-switch button{font-size:11px}
  .page-counter{font-size:11px}
  .panel-description{font-size:12px}
  .mobile-nav button{font-size:11px;color:#607153;min-height:44px}
  .mobile-nav button.active{color:var(--green)}
  .toast{font-size:12px}
}

/* Additional office tools stay secondary to the watermark workspace. */
.more-tools-link{margin-top:10px;border-top:1px solid var(--line);border-radius:0;padding-top:20px}
.more-office-tools{border-top:1px solid var(--line);margin-top:27px;padding-top:23px}
.more-office-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}
.more-office-heading h2{font-size:15px;font-weight:500;margin:0;color:#4f6044;line-height:1.8}
.more-office-heading a{display:flex;align-items:center;gap:6px;color:#607852;font-size:11px;white-space:nowrap}
.more-office-heading svg{width:13px;height:13px}
.more-office-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.more-office-grid a{display:block;padding:14px 16px;border:1px solid #dfe5d7;border-radius:7px;background:#fafcf6;min-width:0}
.more-office-grid a:hover{background:#eef4e7;border-color:#c4d4b9}
.more-office-grid span{display:block;font-size:12px;line-height:1.8;font-weight:500;color:#3f5c35}
.more-office-grid small{display:block;font-size:10px;color:#718162;line-height:1.8;margin-top:4px}
@media(max-width:900px){.more-office-grid{grid-template-columns:1fr 1fr;gap:10px}}
@media(max-width:640px){.more-office-heading h2{font-size:13px}.more-office-heading a{font-size:10px}.more-office-grid a{padding:12px 13px}.more-office-grid span{font-size:12px}.more-office-grid small{font-size:10px}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;color:#607153;min-height:44px;padding:0 5px;flex:1;min-width:0}.mobile-nav button{flex:1;min-width:0;padding:0 5px}.more-office-tools{margin-top:23px;padding-top:19px}}