:root{--paper:#faf9f5;--surface:#fffefa;--ink:#283a34;--muted:#7a827c;--line:#e6e8df;--green:#345b4c;--soft:#eaf0e8;--rust:#a05b3e;--shadow:0 12px 40px #223b2910;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{border:1px solid var(--line);border-radius:7px;background:var(--surface);padding:9px 14px;color:var(--ink);cursor:pointer;transition:background .15s}button:hover{background:var(--soft)}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--green);color:white;border-color:var(--green)}button.primary:hover{background:#274738}button.danger{color:#a15146}input,select{padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);min-width:0}input:focus,textarea:focus,select:focus{outline:2px solid #91ad9670;outline-offset:1px}label{display:block}label input{display:block;width:100%;margin-top:8px}h1,h2,h3,h4,p{margin-top:0}h1{font-weight:500;font-size:30px}h2{font-weight:500}small,.muted{color:var(--muted);line-height:1.7}.eyebrow{font-size:10px;letter-spacing:2.3px;color:var(--muted);margin-bottom:13px}.login-screen{min-height:100vh;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;max-width:1250px;margin:auto;padding:70px;gap:100px}.intro{padding:60px 20px}.intro h1{font-family:Georgia,"SimSun",serif;font-size:60px;line-height:1.35;letter-spacing:5px;margin:36px 0}.intro p{line-height:2.1;color:var(--muted)}.intro-foot{border-top:1px solid var(--line);padding-top:28px;margin-top:100px;font-size:12px;letter-spacing:5px}.login-card{background:var(--surface);border:1px solid var(--line);padding:42px;border-radius:14px;box-shadow:var(--shadow)}.brand-mark{font-family:Georgia,serif;display:block;font-size:40px;margin-bottom:26px}.login-card label{margin:22px 0;color:#59665d}.login-card .primary{width:100%;margin:8px 0 18px}.error{color:#a03e38}.rail{width:210px;background:#f0f2eb;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;padding:32px 18px;display:flex;flex-direction:column}.logo{font-family:Georgia,serif;font-size:30px;padding:8px 12px 48px}.logo span{font-size:24px}.logo i{font:11px "Microsoft YaHei",sans-serif;display:block;letter-spacing:2px;color:var(--muted);margin-top:12px}nav{display:grid;gap:9px}.nav{display:flex;align-items:center;gap:16px;padding:14px 18px;border:0;background:transparent;text-align:left;font-size:17px}.nav span{font-size:14px}.nav.active{background:#dce6d9;color:#254a39}.account{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12px}.avatar{display:grid;place-items:center;border-radius:50%;background:#dce5d8;width:30px;height:30px}.icon{border:0;background:transparent;padding:7px}.main{margin-left:210px;height:100vh;display:flex;flex-direction:column;padding:34px 34px 24px;overflow:hidden}.page-header{display:flex;justify-content:space-between;align-items:center;padding:0 0 24px}.page-header h1{margin:0}.page-header .eyebrow{margin-bottom:6px}.record-layout{display:grid;grid-template-columns:280px minmax(0,1fr);flex:1;min-height:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}.library{display:flex;flex-direction:column;border-right:1px solid var(--line);min-height:0}.filters{padding:18px;border-bottom:1px solid var(--line);display:grid;gap:10px}.filters>input{width:100%}.filter-row{display:flex;gap:5px}.filter-row input{width:100%;font-size:12px;padding:8px}.filter-row button{font-size:11px;padding:7px;white-space:nowrap}.record-list{overflow-y:auto;flex:1}.record-item{display:block;border:0;border-bottom:1px solid #eef0e9;border-radius:0;width:100%;text-align:left;padding:20px}.record-item.selected{background:var(--soft);box-shadow:inset 3px 0 var(--green)}.record-item time{font-size:14px;font-weight:600}.record-item p{font-size:12px;color:var(--muted);line-height:1.8;margin:7px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.pagination{padding:10px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);border-top:1px solid var(--line)}.pagination button{padding:3px 12px}.document{min-width:0;overflow:auto}.empty{height:100%;min-height:380px;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);text-align:center}.empty h2{font-family:"SimSun",serif;font-size:21px;color:var(--ink);font-weight:400}.empty-icon{font-size:44px;color:#9cae94;margin-bottom:28px}.empty p{font-size:13px}.doc-toolbar{padding:16px 22px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);flex-wrap:wrap}.doc-toolbar input{font-weight:600;border:0;background:transparent;padding-left:0;width:155px}.toolbar-actions{margin-left:auto;display:flex;gap:5px;flex-wrap:wrap}.toolbar-actions button{font-size:12px;padding:7px 10px}.status{font-size:11px;color:var(--rust)}.writing-layout{display:flex;min-height:calc(100vh - 260px)}.writing-main{flex:1;min-width:0}.writing-main textarea{width:100%;resize:vertical;min-height:calc(100vh - 260px);padding:35px 36px;background:transparent;border:0;outline:none;font:15px/2.1 "Microsoft YaHei",sans-serif;color:var(--ink)}.prose{padding:28px 36px;font-size:15px;line-height:2;overflow-wrap:anywhere}.prose h1{font-size:28px}.prose h2{font-size:20px;margin-top:28px}.prose h3{font-size:17px}.prose pre{white-space:pre-wrap;background:var(--soft);padding:12px}.prose table{border-collapse:collapse;max-width:100%;font-size:13px}.prose td,.prose th{border:1px solid var(--line);padding:6px}.guide{width:255px;flex-shrink:0;border-left:1px solid var(--line);background:#f7f8f2;padding:27px 22px}.guide h3{font-size:18px;font-weight:500}.guide .muted{font-size:12px}.guide ol{padding-left:20px;font-size:13px;line-height:1.9}.guide li{padding:8px 0 12px}.guide>button{width:100%;font-size:12px}.guide-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:25px}.guide-bottom h4{font-size:13px}.guide-bottom p,.guide-bottom small{font-size:11px;color:var(--muted)}.guide-bottom button{width:100%;margin-bottom:12px}.metadata{font-size:11px;margin:0;padding:5px 24px}.metadata:empty{display:none}.settings-page{overflow:auto;flex:1;max-width:980px;width:100%}.settings-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:26px;margin-bottom:20px}.settings-card h2{font-size:19px}.provider-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.provider{border:1px solid var(--line);border-radius:8px;padding:20px}.provider h3{display:flex;justify-content:space-between}.provider label{font-size:12px;color:var(--muted);margin:12px 0}.provider .actions{display:flex;gap:8px;flex-wrap:wrap}.settings-card textarea{width:100%;min-height:180px;border:1px solid var(--line);padding:16px;line-height:1.8;border-radius:6px}.settings-card .actions{margin-top:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.badge{font-size:10px;color:var(--green);font-weight:400}.trash-row{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line)}.jobs{font-size:12px;background:var(--soft);margin-top:10px;padding:8px 15px;border-radius:5px;max-height:90px;overflow:auto}.jobs button{padding:2px 8px;font-size:11px}dialog{border:1px solid var(--line);border-radius:12px;padding:30px;min-width:350px;color:var(--ink);box-shadow:var(--shadow)}dialog::backdrop{background:#1f322855}dialog input{width:100%;margin-bottom:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px}#notice{position:fixed;top:15px;left:50%;transform:translateX(-50%);background:#263d33;color:#fff;padding:11px 22px;border-radius:8px;z-index:100;box-shadow:var(--shadow);max-width:700px}#notice:empty{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:1200px){.rail{width:165px}.logo{padding-left:3px}.main{margin-left:165px;padding:25px 20px}.record-layout{grid-template-columns:235px minmax(0,1fr)}.guide{width:220px;padding:22px 16px}.writing-main textarea,.prose{padding:24px}.toolbar-actions{gap:3px}.toolbar-actions button{padding:6px}.login-screen{gap:40px;padding:50px}}@media(max-width:1000px){.writing-layout{flex-direction:column}.guide{width:100%;border-left:0;border-top:1px solid var(--line)}.guide ol{columns:2}.guide-bottom{margin-top:15px}.login-screen{gap:30px}.intro h1{font-size:42px}}