:root{--primary-color:#4f46e5;--primary-glow:rgba(99,102,241,.1);--accent-color:#7c3aed;--bg-color:#f8fafc;--card-bg:rgba(255,255,255,.75);--card-border:rgba(99,102,241,.08);--text-color:#0f172a;--text-muted:#64748b;--text-link:#2563eb;--font-sans:"Outfit", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--max-width:1200px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-sans);flex-direction:column;min-height:100vh;line-height:1.6;display:flex;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(400px at 50% 100px,rgba(99,102,241,.06),transparent 80%),radial-gradient(300px at 20% 300px,rgba(168,85,247,.04),transparent 80%);width:100%;max-width:1400px;height:600px;position:absolute;top:0;left:50%;transform:translate(-50%)}.lang-nav-container{max-width:var(--max-width);-webkit-backdrop-filter:blur(12px);background:rgba(255,255,255,.8);border-bottom:1px solid rgba(0,0,0,.05);width:100%;margin:0 auto;position:static}.lang-nav{max-width:var(--max-width);white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none;align-items:center;gap:12px;margin:0 auto;padding:12px 0;display:flex;overflow-x:auto}.lang-nav a{font-size:12px}@media 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0}.footer-content{max-width:var(--max-width);text-align:center;flex-direction:column;align-items:center;gap:16px;margin:0 auto;padding:20px;display:flex}.footer-lang-nav{flex-wrap:wrap;justify-content:center;gap:12px 16px;width:100%;padding:4px 0 12px;display:flex}.footer-links{align-items:center;gap:24px;display:flex}.footer-link{color:var(--primary-color);transition:var(--transition);background:rgba(99,102,241,.04);border:1px solid rgba(99,102,241,.2);border-radius:20px;padding:6px 14px;font-size:13px;font-weight:500;text-decoration:none;display:inline-block}.footer-link:hover{color:var(--accent-color);background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.4);transform:translateY(-1px)}.footer-copyright{color:rgba(0,0,0,.35);font-size:13px}@media (max-width:1024px){.brand-section{text-align:left;flex-direction:column;align-items:flex-start;gap:24px}.brand-info{align-items:flex-start}.app-header{text-align:left}.toolbox-badge-wrapper{justify-content:flex-start}}@media 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.brand-section{background:#fff;border-bottom:1px solid rgba(0,0,0,.08);margin-bottom:0;padding:8px 24px;box-shadow:0 2px 10px rgba(0,0,0,.03)}.editor-header-left{flex-direction:column;align-items:flex-start;display:flex}.editor-app-title{color:#1e293b;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;display:flex}.active-filename-text{color:var(--text-muted);font-size:1rem;font-weight:500}.file-icon-badge{background-position:50%;background-repeat:no-repeat;background-size:contain;width:24px;height:24px;display:inline-block}.file-icon-badge.word-type{background-image:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 24 24\" fill=\"%23185abd\"><path d=\"M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z\"/></svg>")}.file-icon-badge.excel-type{background-image:url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 24 24\" 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.sub-msg{color:#64748b;font-size:.9rem;line-height:1.5}.word-btn-theme-active{background-color:var(--word-color)!important;border-color:var(--word-color)!important}.word-btn-theme-active:hover{background-color:#144b96!important;border-color:#144b96!important}.dialog-footer{justify-content:flex-end;gap:10px;width:100%;display:flex}.immersive-mode .brand-section{justify-content:space-between;align-items:center;width:100%;display:flex}body.immersive-active .lang-nav-container,body.immersive-active .app-footer{display:none!important}.active-filename-wrapper{align-items:center;gap:4px;display:inline-flex}.active-filename-text{cursor:pointer;transition:color .2s,text-decoration-color .2s}.active-filename-text:hover{color:var(--el-color-primary,#409eff);text-decoration:underline dashed var(--el-color-primary,#409eff);text-underline-offset:4px}.active-filename-wrapper .filename-input{margin-left:5px;width:640px!important;max-width:55vw!important}.office-components-showcase{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;margin-bottom:10px;display:grid}@media (max-width:992px){.office-components-showcase{grid-template-columns:1fr}}.component-box{background:#f8fafc;border:1px solid rgba(0,0,0,.03);border-radius:12px;align-items:flex-start;gap:16px;padding:20px;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex}.component-box:hover{background:#fff;border-color:rgba(0,0,0,.06);transform:translateY(-3px);box-shadow:0 10px 25px rgba(0,0,0,.05)}.component-box.word-component{border-top:3px solid var(--word-color,#185abd)}.component-box.excel-component{border-top:3px solid var(--excel-color,#107c41)}.component-box.ppt-component{border-top:3px solid var(--ppt-color,#d83b01)}.component-icon{object-fit:contain;flex-shrink:0;width:48px;height:48px}.component-info{flex-direction:column;gap:6px;display:flex}.component-title{color:#1e293b;margin:0!important;padding:0!important;font-size:1.05rem!important;font-weight:700!important}.component-desc{color:#64748b;margin:0!important;font-size:.85rem!important;line-height:1.6!important}body.immersive-active .office-static-content{display:none!important}