:root{--ink:#233d36;--muted:#73837c;--green:#20564b;--mint:#eaf4ee;--paper:#f7f9f7;--line:#e1e8e2;--purple:#74618e;--white:#fff;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:14px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #85bda5}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}a{color:inherit}h1,h2,h3,p{margin:0}h1{font-family:"Songti SC",SimSun,Georgia,serif;font-size:34px;line-height:1.35;letter-spacing:1px}h2{font-size:18px;font-weight:600}p{color:var(--muted)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:23px;font-weight:650;letter-spacing:2px}.brand small{display:block;font-family:"Segoe UI",sans-serif;font-size:9px;letter-spacing:1.6px;font-weight:500;color:var(--muted)}.brand-mark{display:grid;place-items:center;background:var(--green);color:white;width:44px;height:46px;border-radius:13px;font-family:SimSun,serif;font-size:27px;font-weight:400}.button{display:inline-flex;justify-content:center;align-items:center;gap:6px;min-height:42px;border-radius:10px;padding:10px 18px;border:1px solid var(--line);background:white;font-weight:600;text-decoration:none;white-space:nowrap}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#174438}.icon-button{background:transparent;border:0;width:34px;height:34px;border-radius:8px;font-size:21px;color:var(--muted)}.icon-button:hover{background:var(--mint);color:var(--ink)}.text-button{border:0;background:transparent;color:var(--green);padding:10px 0;font-weight:600}.text-button span{margin-left:14px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted);margin-bottom:10px}.pill{display:inline-flex;border:1px solid #cddfd3;color:var(--green);border-radius:6px;padding:3px 9px;font-size:11px;letter-spacing:.4px}.lavender{color:var(--purple);border-color:#e2dbea;background:#f2eef7}.workspace{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:#fff;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:30px 22px 20px;border-right:1px solid var(--line)}.nav-label{font-size:10px;letter-spacing:1.5px;margin:44px 12px 12px;color:#91a095}.nav-item{display:flex;align-items:center;gap:13px;border:0;background:none;width:100%;padding:13px 14px;margin:5px 0;border-radius:10px;color:#67766e;text-align:left;min-height:47px}.nav-item>span:first-child{font-size:20px;line-height:1;width:20px;text-align:center}.nav-item:hover{background:#f5f8f5}.nav-item.active{color:var(--green);background:var(--mint);font-weight:600}.nav-count{margin-left:auto;font-size:10px;background:white;border-radius:6px;padding:0 6px}.small-tag{font-size:9px;color:#8e809f;margin-left:auto;font-weight:400}.sidebar-note{margin-top:auto;padding:24px 12px;color:#52665a;font-size:12px}.sidebar-note p{font-size:11px;margin-top:7px}.status-dot{display:inline-block;width:6px;height:6px;background:#6eab83;border-radius:50%;margin-right:8px}.profile{display:flex;gap:10px;padding-top:18px;border-top:1px solid var(--line);align-items:center}.avatar{display:grid;place-items:center;border-radius:50%;width:34px;height:34px;color:var(--green);background:var(--mint)}.profile strong{font-size:12px;max-width:120px;display:block;overflow:hidden;text-overflow:ellipsis}.profile small{display:block;color:var(--muted);font-size:10px}.profile .icon-button{margin-left:auto}.main-wrap{width:calc(100% - 240px);margin-left:240px;display:flex;flex-direction:column}.topbar{display:flex;justify-content:space-between;align-items:center;height:76px;padding:0 44px;border-bottom:1px solid var(--line);font-size:12px;background:#fff9;color:var(--muted)}.topbar strong{font-weight:500;color:var(--ink)}.slash{margin:0 12px;color:#bac6bc}.private-badge{font-size:11px;letter-spacing:.4px;color:#61846d}main{padding:40px 44px;max-width:1400px;width:100%;margin:0 auto;flex:1}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.page-heading p:last-child{margin-top:10px;font-size:13px}.welcome-banner{padding:30px 34px;border:1px solid #dce8de;border-radius:var(--radius);background:#edf5ef;display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;overflow:hidden}.welcome-banner h2{font-family:"Songti SC",SimSun,serif;font-size:24px;margin:14px 0 10px;font-weight:400}.welcome-banner p{font-size:12px}.welcome-banner .text-button{margin-top:6px}.book-art{display:flex;align-items:flex-end;gap:10px;width:230px;height:180px;padding:0 22px;border-bottom:9px solid #adbdac;transform:rotate(-3deg)}.book-art i{display:block;width:38px;height:145px;border:1px solid #90a78f;border-radius:4px 5px 2px 2px;background:#aec9b3;position:relative}.book-art i:before{content:"";position:absolute;left:9px;right:9px;top:17px;height:3px;background:#fff7;box-shadow:0 7px 0 #fff7}.book-art i:after{content:"";position:absolute;left:9px;right:9px;bottom:14px;height:12px;border-top:1px solid #fff6;border-bottom:1px solid #fff6}.book-art i:nth-child(2){height:165px;background:#608779;border-color:#496e60}.book-art i:nth-child(3){height:137px;background:#c7bcdb;border-color:#b0a5c6;transform:rotate(9deg);margin:0 4px}.book-art i:nth-child(4){height:155px;background:#d8d1bc;border-color:#c8c0ab}.book-art.small{transform:scale(.75) rotate(-4deg);transform-origin:center;margin:-25px -15px -25px 16px;flex-shrink:0}.library-tools{display:flex;gap:12px;margin-bottom:28px}.search-box{display:flex;align-items:center;background:#fff;min-height:45px;border:1px solid var(--line);border-radius:10px;padding:0 14px;flex:1}.search-box>span{font-size:26px;color:#84968b;margin-right:10px}.search-box input{border:0;background:transparent;width:100%;outline:0;font-size:12px}.search-box:focus-within{box-shadow:0 0 0 2px #93bfa8}.search-box kbd{border:1px solid var(--line);color:#9aa99d;padding:0 6px;border-radius:4px;font-size:11px}.library-tools select{border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 14px;font-size:12px;color:#5e7164}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-heading h2{font-size:15px}.section-heading h2 span{display:inline-block;font-size:11px;color:var(--muted);margin-left:8px;background:#eaf0eb;border-radius:6px;padding:0 7px}.section-heading>span{font-size:11px;color:var(--muted)}.documents{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.empty{padding:54px 24px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center}.empty-mark{font-family:Georgia,serif;display:grid;place-items:center;width:65px;height:65px;border-radius:18px;background:#f0f5f0;color:#8ba693;font-size:36px;margin-bottom:18px}.empty h3{font-size:16px;font-weight:500;margin-bottom:7px}.empty p{font-size:12px;max-width:330px}.empty button{margin-top:18px}.document-row{display:flex;align-items:center;gap:14px;padding:18px 22px;border-bottom:1px solid 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0;display:flex;justify-content:space-between;font-size:10px;color:#9aa89d;border-top:1px solid var(--line)}.ask-card,.settings-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-bottom:20px}.ask-symbol{font-size:44px;color:#789283;line-height:1;margin-bottom:18px}.ask-card>p{font-size:12px;margin-top:10px}.ask-card form{margin-top:30px}.ask-card textarea{width:100%;min-height:140px;resize:vertical}.ask-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:15px}.ask-actions span{font-size:11px;color:var(--muted)}#ask-result{font-size:13px;white-space:pre-wrap;color:var(--purple);margin-top:20px}.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}.apps-grid .empty{grid-column:1/-1;border:1px dashed #cbd8ce;border-radius:var(--radius);min-height:300px}.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px;min-width:0}.app-card .app-name{font-size:17px;font-weight:600}.app-card p{font-size:12px;overflow-wrap:anywhere}.app-card .app-buttons{display:flex;gap:12px;margin-top:auto;align-items:center}.app-card .app-buttons button{font-size:11px;color:var(--muted);background:none;border:0}.settings-card dl{margin:20px 0 0}.settings-card dl>div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #eef2ee;padding:13px 0;font-size:12px}.settings-card dl>div:last-child{border:0}.settings-card dt{color:var(--muted)}.settings-card dd{margin:0;text-align:right}.settings-card p{font-size:13px}.settings-card p+p{margin-top:12px}.auth-view{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.auth-story{background:#e8f1e9;padding:46px 60px;display:flex;flex-direction:column;justify-content:space-between;min-height:700px}.auth-story h1{font-size:40px;margin:16px 0 24px;line-height:1.5}.auth-story p{font-size:14px}.auth-story .book-art{margin:38px 0 8px 30px}.story-foot{font-size:11px;letter-spacing:2px;color:#899d8b}.auth-panel{display:grid;place-items:center;padding:40px}.auth-form{width:100%;max-width:350px}.auth-form h2{font-size:27px;font-family:SimSun,serif;font-weight:400;margin:16px 0 10px}.auth-form>p{font-size:13px;margin-bottom:24px}label:not(.search-box){display:block;font-size:12px;margin:18px 0 7px}input:not([type=file]),textarea{padding:11px 12px;border:1px solid #d9e2da;border-radius:8px;background:white;color:var(--ink)}.auth-form input{width:100%}.hint{font-size:11px!important;color:#8b9b8e!important;margin-top:10px}.auth-form .button{width:100%;margin-top:8px}.auth-form .auth-foot{text-align:center;margin:20px 0 0}.error{font-size:12px;color:#a44646;min-height:20px;margin-top:12px}.auth-form .error{margin-bottom:4px}dialog{border:1px solid var(--line);border-radius:18px;max-width:460px;width:calc(100% - 32px);padding:28px;color:var(--ink);box-shadow:0 24px 80px #18352420}dialog::backdrop{background:#193b324d}dialog input{width:100%}dialog .button{width:100%}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--green);color:white;padding:12px 22px;border-radius:10px;box-shadow:0 8px 32px #153b3525;z-index:5;max-width:90%;font-size:13px}.loading{padding:40px;text-align:center;color:var(--muted)}
@media(min-width:1550px){main{padding-top:55px}.welcome-banner{padding:36px 42px}.welcome-banner .book-art{margin-right:30px}}@media(max-width:1050px){.sidebar{width:210px;padding:25px 17px}.main-wrap{margin-left:210px;width:calc(100% - 210px)}main{padding:30px 26px}.topbar{padding:0 26px}.footer{margin:0 26px}.welcome-banner{padding:25px}.book-art.small{transform:scale(.6);margin-left:-20px;margin-right:-40px}.welcome-banner h2{font-size:22px}.auth-story{padding:36px}.auth-story h1{font-size:32px}.document-meta{display:none}}@media(max-width:760px){.workspace{display:block}.sidebar{position:static;width:100%;padding:16px 20px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{font-size:20px}.brand-mark{width:36px;height:38px;font-size:22px}.nav-label,.sidebar-note,.profile{display:none}.sidebar nav{display:flex;gap:5px;margin-top:14px}.nav-item{padding:9px 8px;gap:5px;margin:0;font-size:11px;justify-content:center;min-height:38px}.nav-item>span:first-child{font-size:16px;width:16px}.nav-count,.small-tag{display:none}.main-wrap{margin:0;width:100%}.topbar{height:48px;padding:0 20px}.private-badge{font-size:9px}main{padding:26px 20px}.page-heading{margin-bottom:24px;align-items:flex-start;gap:10px}h1{font-size:28px}.eyebrow{font-size:8px;letter-spacing:1.5px}.page-heading .button{padding:8px 12px;font-size:11px;min-height:36px;margin-top:16px}.welcome-banner{padding:22px;margin-bottom:23px}.welcome-banner h2{font-size:20px}.welcome-banner .book-art{display:none}.library-tools{gap:8px}.library-tools select{max-width:105px;padding:0 8px;font-size:11px}.search-box{padding:0 10px}.search-box kbd{display:none}.document-row{padding:14px 12px;gap:10px}.file-icon{width:35px;height:40px;font-size:9px}.document-actions{flex-direction:column}.document-actions a,.document-actions button{font-size:10px;padding:2px 7px}.document-body h3{font-size:12px}.document-body p{font-size:9px}.footer{margin:0 20px;font-size:9px}.ask-card,.settings-card{padding:23px}.ask-actions{flex-direction:column;align-items:flex-start}.ask-actions .button{width:100%}.auth-view{display:block}.auth-story{padding:28px;min-height:0}.auth-story>div,.story-foot{display:none}.auth-panel{padding:42px 28px}.auth-form h2{font-size:28px}.settings-card dl>div{font-size:11px}.apps-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.search-box input[type=search]{border:0;background:transparent;padding:0;border-radius:0;min-width:0;outline:0;box-shadow:none}
.site-name{font-size:16px;letter-spacing:0}.icp-link{font-size:11px;color:var(--muted);text-decoration:none}.icp-link:hover{text-decoration:underline}.footer{gap:12px;flex-wrap:wrap}