:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#1d2b4c;background:#f5f8fe;--primary:#2676f3;--primary-strong:#125be6;--ink:#1d2b4c;--muted:#74829e;--line:#e5ebf4;--surface:#fff;--subtle:#f7faff;--page:#f5f8fe;--shadow:0 4px 19px rgba(29,67,133,.035)}
*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{text-decoration:none;color:inherit}h1,h2,h3,h4,p{margin:0}h1{font-size:25px;letter-spacing:-.5px}h2{font-size:17px}h3{font-size:15px}.svg-sprite{width:0;height:0;position:absolute;overflow:hidden}.ico{width:21px;height:21px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;flex:none}.app-shell{min-height:100vh}.topbar{height:82px;border-bottom:1px solid var(--line);background:var(--surface);position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:30px}.brand{display:flex;gap:12px;align-items:center;min-width:360px}.brand-mark{width:44px;height:44px;color:#fff;background:linear-gradient(135deg,#3f8aff,#0865ef);display:grid;place-items:center;border-radius:13px;box-shadow:0 4px 14px #2676f32b}.brand-mark svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.brand strong{display:block;font-size:22px;color:#10244c;line-height:1.28}.brand small{display:block;color:#7e8eac;font-size:12px;letter-spacing:.2px;margin-top:4px}.topbar-actions{display:flex;align-items:center;gap:18px}.top-action,.theme-button,.icon-btn{border:0;background:none;color:#4a5975;display:inline-flex;align-items:center;justify-content:center;gap:7px}.top-action{padding:10px 3px;white-space:nowrap;font-size:14px}.top-action:hover,.theme-button:hover{color:var(--primary)}.theme-button{font-size:25px;margin-left:3px}.search-wrap{position:relative;display:flex;align-items:center;min-width:295px;width:clamp(240px,23vw,390px);background:var(--subtle);height:43px;border:1px solid #dde6f2;border-radius:11px;padding:0 12px;gap:8px}.search-wrap .ico{width:19px;color:#9aa8bf}.search-wrap input{background:none;outline:none;border:0;flex:1;width:0;color:var(--ink);font-size:13px}.search-wrap:focus-within{border-color:#99bffc;box-shadow:0 0 0 3px #2676f30c}.search-results{position:absolute;left:0;right:0;top:50px;background:var(--surface);border:1px solid var(--line);border-radius:11px;box-shadow:0 10px 30px #142c4c1f;overflow:hidden;max-height:300px;overflow-y:auto;z-index:40}.search-results[hidden]{display:none}.search-item{padding:10px 13px;display:block;border-bottom:1px solid var(--line);font-size:13px}.search-item:last-child{border:0}.search-item:hover{background:var(--subtle)}.search-item small{display:block;color:var(--muted);margin-top:3px}.sidebar{position:fixed;top:82px;bottom:0;left:0;width:238px;background:var(--surface);border-right:1px solid var(--line);z-index:10;padding:17px 16px;display:flex;flex-direction:column;justify-content:space-between;overflow-y:auto}.sidebar nav{display:flex;flex-direction:column;gap:5px}.sidebar nav a{height:45px;display:flex;align-items:center;gap:16px;padding:0 13px;border-radius:10px;color:#485875;font-size:14px;font-weight:540;transition:.16s}.sidebar nav a .ico{width:20px;height:20px;stroke-width:1.85}.sidebar nav a:hover{background:#f2f7ff;color:var(--primary)}.sidebar nav a.active{color:#0b61df;background:#eaf3ff;font-weight:700}.side-bottom{margin-top:25px}.side-card{border:1px solid var(--line);border-radius:13px;background:var(--subtle);padding:16px 15px}.side-card strong{font-size:13px}.side-card p{font-size:13px;margin:13px 0 12px;color:#536580;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-card small{color:var(--muted);display:block;margin:9px 0 14px}.side-footnote{text-align:center;font-size:10px;color:#a0adc0;margin-top:14px}.main{margin:82px 0 0 238px;padding:24px;min-height:calc(100vh - 82px);outline:none}.boot-loading{color:var(--muted);padding:50px}.page{max-width:1640px;margin:auto;animation:appear .18s ease-out}@keyframes appear{from{opacity:.6;transform:translateY(4px)}to{opacity:1;transform:none}}.page-titlebar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.page-titlebar p{color:var(--muted);font-size:13px;margin-top:8px}.page-titlebar .actions{display:flex;gap:8px;flex-wrap:wrap}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:15px}.section-heading h2{display:flex;align-items:center;gap:9px}.section-heading h2 .ico{color:var(--primary);width:19px}.section-heading .link{color:var(--primary);font-size:13px;font-weight:600;cursor:pointer}.btn{border:1px solid transparent;padding:9px 16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:7px;line-height:1.3;font-size:13px;font-weight:600;white-space:nowrap;transition:.15s}.btn .ico{width:16px;height:16px}.btn-primary{color:#fff;background:linear-gradient(135deg,#3790ff,#1468ef);box-shadow:0 3px 8px #2d81fa26}.btn-primary:hover{background:#115cd7}.btn-outline{border-color:#dce5f1;background:var(--surface);color:#4b5d7b}.btn-outline:hover{border-color:#a9c8f9;color:var(--primary)}.btn-ghost{background:transparent;color:#677791}.btn-ghost:hover{background:#edf3fc}.btn-danger{color:#dd4757;background:#fff3f3;border-color:#ffdfe1}.btn-success{background:#e6f8f0;color:#139963}.btn-block{width:100%}.btn-sm{padding:6px 10px;font-size:12px}.icon-btn{width:34px;height:34px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.icon-btn:hover{border-color:#a9c8f9;color:var(--primary)}.icon-btn .ico{width:16px;height:16px}.card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:13px;padding:18px;min-width:0}.card.soft{background:var(--subtle)}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.muted{color:var(--muted)}.small{font-size:12px}.tiny{font-size:11px}.pill{display:inline-block;font-size:11px;border-radius:99px;padding:4px 9px;background:#e9f4ff;color:#2779e7;font-weight:650;white-space:nowrap}.pill.green{background:#e3f7ee;color:#15a474}.pill.orange{background:#fff4dd;color:#c5811c}.pill.red{background:#ffeded;color:#e35464}.pill.gray{background:#edf1f7;color:#67758c}.progress-track{width:100%;height:7px;background:#e9eef7;border-radius:20px;overflow:hidden}.progress-track>div{height:100%;background:linear-gradient(90deg,#2281f6,#42b1ff);border-radius:inherit;transition:width 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#dce5f1;border-radius:9px;background:var(--surface);color:var(--ink);padding:10px 12px;outline:none;font-size:13px}.input:focus,.textarea:focus,.select:focus{border-color:#81b0fc;box-shadow:0 0 0 3px #2676f310}.textarea{resize:vertical;line-height:1.65}.toolbar .input{width:auto;min-width:200px;flex:1}.field{display:flex;flex-direction:column;gap:7px;min-width:0;font-size:13px;color:#435470}.field>span{font-weight:600}.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid #dce5f0;background:var(--surface);border-radius:9px;outline:none;color:var(--ink);font-size:13px}.field textarea{resize:vertical;line-height:1.6}.field input:focus,.field textarea:focus,.field 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32px;margin-bottom:16px;display:flex;align-items:center;border:1px solid #dfebf9}.cover-hero h1{font-size:29px;color:#112d61;margin-bottom:12px}.cover-hero p{font-size:15px;color:#48688f}.hero-art{position:absolute;right:28px;bottom:0;width:280px;height:140px;pointer-events:none}.hero-art .books{position:absolute;bottom:10px;left:8px;width:102px;height:18px;background:#fbd089;border-radius:4px;box-shadow:0 -18px #f6f9fd,0 -22px #719ddd,0 -37px #fff,0 -41px #86c0c3,0 2px 8px #557db329;transform:skew(-8deg)}.hero-art .laptop{position:absolute;right:12px;bottom:20px;width:132px;height:89px;background:#2a4775;border:7px solid #314a70;border-radius:7px;transform:skew(-7deg) rotate(-3deg);box-shadow:0 10px 8px #49618b30}.hero-art .laptop:after{content:'';position:absolute;bottom:-17px;left:-12px;width:154px;height:10px;background:#6d8fb1;transform:skew(-22deg);border-radius:4px}.hero-art .laptop:before{content:'';position:absolute;inset:11px 14px;background:linear-gradient(#b0d8ff 12px,transparent 12px,transparent 23px,#7ab0df 23px,#7ab0df 28px,transparent 28px,transparent 40px,#8ebee7 40px,#8ebee7 45px,transparent 45px)}.hero-art .plant{position:absolute;right:0;bottom:10px;background:#f5b36f;width:20px;height:24px;border-radius:1px 1px 9px 9px}.hero-art .plant:before{content:'🌿';font-size:46px;position:absolute;bottom:17px;left:-14px}.quick-card{padding:18px 20px;min-height:96px;border-radius:12px;display:flex;align-items:center;gap:13px;color:#fff;transition:transform .18s,box-shadow .18s;cursor:pointer}.quick-card:hover{transform:translateY(-2px);box-shadow:0 9px 19px #18366021}.quick-card.blue{background:linear-gradient(115deg,#348fff,#0d69ed)}.quick-card.green{background:linear-gradient(115deg,#35cda0,#13b98d)}.quick-card.gold{background:linear-gradient(115deg,#ffcd6c,#f4aa3a)}.quick-card.purple{background:linear-gradient(115deg,#9b83ff,#7d5bed)}.quick-icon{background:#ffffff2d;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;flex:none}.quick-icon .ico{width:28px;height:28px;stroke-width:1.9}.quick-card strong{font-size:17px;display:block}.quick-card small{display:block;font-size:12px;opacity:.93;margin-top:6px}.quick-card>span:last-child{margin-left:auto;font-size:20px}.home-body{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:16px;margin-top:16px}.home-left,.home-right{display:grid;gap:16px;align-content:start}.home-bottom{display:grid;grid-template-columns:1fr 1fr;gap:16px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.tool-tile{background:#f4f8ff;border-radius:10px;padding:12px 5px;text-align:center;font-size:12px;cursor:pointer;color:#485a79}.tool-tile:nth-child(2n){background:#fff7f6}.tool-tile:nth-child(3n){background:#f1faf5}.tool-tile:nth-child(4n){background:#f6f4ff}.tool-tile .icon-square{display:grid;place-items:center;margin:0 auto 8px;border-radius:11px;width:40px;height:40px;background:linear-gradient(145deg,#3292ff,#116af0);box-shadow:0 4px 9px #125ad12f;color:#fff}.tool-tile:nth-child(2n) .icon-square{background:linear-gradient(145deg,#ff817a,#f44753)}.tool-tile:nth-child(3n) .icon-square{background:linear-gradient(145deg,#28cba3,#0bad7c)}.tool-tile:nth-child(4n) .icon-square{background:linear-gradient(145deg,#a186ff,#7053e8)}.resource-row{border-bottom:1px solid var(--line);padding:11px 2px;display:flex;align-items:center;gap:12px;font-size:12px;cursor:pointer}.resource-row:last-child{border:0}.resource-row:hover{color:var(--primary)}.resource-row .ico{color:var(--primary)}.resource-row b{font-weight:550;flex:1}.resource-row span:last-child{color:#8ca0bc}.task-mini{display:flex;align-items:center;gap:9px;padding:10px 2px;border-bottom:1px solid var(--line);font-size:12px}.task-mini:last-child{border:0}.task-mini input{accent-color:#21bc89;width:17px;height:17px;cursor:pointer}.task-mini label{flex:1;cursor:pointer}.task-mini s{color:#a1adc0}.calendar-month{display:flex;align-items:center;justify-content:space-between;margin:14px 2px;font-weight:700;color:#3d5275}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center;font-size:12px}.calendar-grid>span{padding:6px 0;color:#8290aa}.calendar-grid .weekday{font-weight:700;color:#5a6b88}.calendar-grid .today{background:#287cf1;color:#fff;border-radius:50%}.donut{width:108px;height:108px;border-radius:50%;background:conic-gradient(#2c7afb var(--donut-percent),#e7eef8 0);display:grid;place-items:center;flex:none}.donut-inner{width:80px;height:80px;border-radius:50%;background:var(--surface);display:grid;place-items:center;text-align:center}.donut-inner strong{font-size:21px}.donut-inner small{display:block;font-size:10px;color:var(--muted);margin-top:-15px}.tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}.tab{border:0;background:transparent;color:#7a89a3;padding:12px 15px;font-size:13px;cursor:pointer}.tab.active{border-bottom:2px solid #2478f7;color:#166eeb;font-weight:700}.writing-layout{display:grid;grid-template-columns:245px minmax(0,1fr) 210px;gap:16px;align-items:start}.chapter-list{display:grid;gap:5px}.chapter-item{border:1px solid transparent;text-align:left;background:transparent;padding:11px 10px;border-radius:8px;width:100%;font-size:13px;display:flex;align-items:center;gap:6px;color:#526482;cursor:pointer}.chapter-item.active{background:#eaf3ff;color:#1571ee;border-color:#cfe0ff;font-weight:650}.chapter-item .chapter-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.chapter-item .mini-btn{font-size:13px;border:0;background:transparent;color:#8a9dbb}.writing-editor{padding:0!important;overflow:hidden}.editor-top{padding:19px 21px;border-bottom:1px solid var(--line)}.editor-toolbar{padding:10px 20px;display:flex;align-items:center;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--line);background:var(--subtle)}.editor-toolbar button{height:29px;min-width:33px;border:1px solid transparent;background:var(--surface);color:#586b86;border-radius:5px;font-size:13px}.editor-toolbar button:hover{border-color:#afd0fa}.editor-area{min-height:440px;outline:none;padding:27px 38px;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#293a55;line-height:1.95;font-size:15px;word-break:break-word;white-space:normal}.editor-area:empty:before{content:attr(data-placeholder);color:#aab5c6;pointer-events:none}.editor-area h2{font-size:21px;margin:16px 0}.editor-area h3{font-size:18px;margin:14px 0}.editor-area p{margin:0 0 14px}.editor-footer{padding:12px 20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.chapter-settings{display:grid;gap:13px}.chapter-tools{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}.metrics{display:grid;gap:13px}.metric-card{border:1px solid var(--line);padding:14px;border-radius:10px;background:var(--subtle)}.metric-card .num{font-size:23px;font-weight:800;margin-top:7px;color:#2a5fbd}.task-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.kanban-col{border:1px solid var(--line);background:#f7f9fd;padding:12px;border-radius:12px;min-height:230px}.kanban-col h3{display:flex;justify-content:space-between;margin-bottom:15px}.kanban-item{padding:13px;background:var(--surface);border-radius:9px;border:1px solid var(--line);margin-bottom:9px}.kanban-item strong{display:block;font-size:13px;margin-bottom:8px}.kanban-item small{display:block;color:var(--muted);margin-bottom:10px}.kanban-actions{display:flex;gap:5px;flex-wrap:wrap}.kanban-actions button{border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:4px 7px;font-size:11px;color:#62718c}.check-row{border-bottom:1px solid var(--line);padding:12px 0;display:flex;gap:10px;font-size:13px}.check-row:last-child{border:0}.check-row .ico{width:17px}.ref-item{padding:15px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.8}.ref-item:last-child{border:0}.ref-item p{margin-bottom:8px;word-break:break-word}.ref-item .actions{display:flex;gap:8px;flex-wrap:wrap}.hidden{display:none!important}
[data-theme=dark]{--ink:#e2eaf8;--muted:#9eabc3;--line:#2d405b;--surface:#1a293e;--subtle:#20324b;--page:#111c2b;--shadow:none;background:var(--page);color:var(--ink)}[data-theme=dark] .topbar,[data-theme=dark] .sidebar{background:var(--surface)}[data-theme=dark] .brand strong,[data-theme=dark] .stat-number{color:#eaf3ff}[data-theme=dark] .data-table thead,[data-theme=dark] .kanban-col{background:#1e324e}[data-theme=dark] .data-table td,[data-theme=dark] .data-table .title-cell{color:#d3deed}[data-theme=dark] .data-table tr:hover td{background:#253b58}[data-theme=dark] .card,[data-theme=dark] .modal{background:var(--surface)}[data-theme=dark] .editor-area{color:#d7e4f5}[data-theme=dark] .donut-inner{background:var(--surface)}[data-theme=dark] .side-card,[data-theme=dark] .metric-card{background:var(--subtle)}[data-theme=dark] .modal input,[data-theme=dark] .modal select,[data-theme=dark] .modal textarea{background:#20324b;color:var(--ink)}
@media(max-width:1240px){.home-body{grid-template-columns:minmax(0,1fr) 270px}.home-bottom{grid-template-columns:1fr}.writing-layout{grid-template-columns:200px minmax(0,1fr)}.writing-layout>.metrics{grid-column:1/-1;grid-template-columns:repeat(3,1fr)}}
@media(max-width:1020px){.brand{min-width:0}.brand small{display:none}.topbar{padding:0 16px}.sidebar{width:73px;padding:14px 10px}.sidebar nav a{justify-content:center;padding:0;font-size:0;gap:0}.sidebar nav a .ico{width:22px;height:22px}.side-bottom{display:none}.main{margin-left:73px;padding:18px}.top-action span{display:none}.home-body{grid-template-columns:1fr}.home-right{grid-template-columns:1fr 1fr}.cover-hero h1{font-size:25px}}
@media(max-width:690px){.topbar{height:65px;gap:8px}.brand strong{font-size:15px}.brand-mark{width:34px;height:34px}.brand-mark svg{width:24px}.search-wrap{min-width:0;width:38px;height:38px;overflow:hidden;border:0;padding:8px}.search-wrap:focus-within{position:absolute;left:10px;right:10px;top:63px;width:auto;background:var(--surface);border:1px solid var(--line);overflow:visible}.search-wrap:focus-within input{width:100%}.topbar-actions{gap:8px}.top-action{display:none}.sidebar{top:auto;bottom:0;width:100%;height:59px;border-right:0;border-top:1px solid var(--line);padding:4px 2px;overflow:visible}.sidebar nav{display:flex;flex-direction:row;justify-content:space-around;overflow-x:auto;gap:0}.sidebar nav a{min-width:51px;height:49px;border-radius:8px;flex-direction:column;gap:1px;font-size:9px;padding:5px 1px;flex:none}.sidebar nav a .ico{width:20px;height:20px}.main{margin:65px 0 59px;padding:12px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.grid-2,.home-bottom,.home-right,.task-board{grid-template-columns:1fr}.cover-hero{padding:24px 16px;min-height:138px}.cover-hero h1{font-size:23px}.cover-hero p{font-size:12px;max-width:230px}.hero-art{opacity:.3;right:0}.quick-card{padding:13px;min-height:83px}.quick-icon{width:39px;height:39px}.quick-card strong{font-size:14px}.quick-card small{font-size:11px}.writing-layout{grid-template-columns:1fr}.writing-layout>.metrics{grid-column:auto;grid-template-columns:repeat(2,1fr)}.chapter-list{display:flex;overflow-x:auto}.chapter-item{min-width:135px}.editor-area{padding:18px;min-height:300px}.page-titlebar{flex-wrap:wrap}.field-row{grid-template-columns:1fr}.topbar-actions{margin-left:auto}}