.prose{--text-soft:var(--muted);--accent-strong:var(--accent);--surface-soft:var(--code);--radius-sm:11px;--radius-md:18px;--shadow-soft:0 10px 30px #1e2f380f;line-height:1.8;overflow-wrap:anywhere}.prose img{display:block;max-width:100%}.prose ul,.prose ol{padding-left:1.6em}.prose code{font-family:Cascadia Code,Consolas,monospace}.prose pre{background:var(--code)}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}.prose input[type=checkbox]{margin-right:6px}.prose .contains-task-list{list-style:none}.prose{min-width:0;font-size:1.04rem}.prose>:first-child{margin-top:0}.prose h2,.prose h3{scroll-margin-top:100px;color:var(--text);letter-spacing:-.025em}.prose h2{margin:2.5em 0 .7em;font-size:1.75rem}.prose h3{margin:2em 0 .5em;font-size:1.35rem}.prose p,.prose li{color:color-mix(in srgb,var(--text) 88%,var(--text-soft))}.prose a{color:var(--accent-strong);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.prose blockquote{margin:1.7em 0;padding:18px 22px;border-left:4px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--surface-soft)}.prose blockquote p{margin:0}.prose pre{overflow-x:auto;margin:1.8em 0;padding:20px;border:1px solid #29314b;border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.prose :not(pre)>code{padding:2px 6px;border-radius:6px;background:var(--surface-soft);color:var(--accent-strong);font-size:.9em}.prose table{display:block;overflow-x:auto;width:100%;margin:1.8em 0;border-collapse:collapse}.prose th,.prose td{min-width:120px;padding:10px 13px;border:1px solid var(--line);text-align:left}.prose th{background:var(--surface-soft)}.prose img{height:auto;margin:2em auto;border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}:root{font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#273c36;background:#f6f5f0;font-synthesis:none;--bg:#f6f5f0;--surface:#fffefa;--sidebar:#eeeee6;--text:#273c36;--muted:#7b8580;--line:#e1e4da;--accent:#315d52;--accent-soft:#e1ebe3;--code:#f0f1eb;color-scheme:light}:root[data-theme=dark]{--bg:#19201f;--surface:#202927;--sidebar:#171e1c;--text:#e0e7df;--muted:#9ca9a0;--line:#35413a;--accent:#a3cdb7;--accent-soft:#30493d;--code:#17211e;color-scheme:dark}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{border:1px solid var(--line);border-radius:8px;padding:8px 12px;background:var(--surface);color:var(--text);cursor:pointer;font-size:13px;transition:background .15s}button:hover{background:var(--accent-soft)}button:disabled{opacity:.5;cursor:wait}a{color:var(--accent);text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.primary{background:var(--accent);color:var(--surface);border-color:var(--accent);font-weight:600}.primary:hover{filter:brightness(1.08);background:var(--accent)}[hidden]{display:none!important}.app-header{height:76px;padding:0 28px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);background:var(--surface)}.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:700;font-size:21px;white-space:nowrap}.brand-symbol{display:grid;place-items:center;width:37px;height:42px;border:1px solid var(--accent);border-radius:5px 12px 5px 5px;color:var(--accent);font-family:serif;font-weight:400}.brand small{display:block;font-size:9px;letter-spacing:2.2px;color:var(--muted);font-weight:500}.save-status{font-size:12px;color:var(--muted)}.header-buttons{display:flex;gap:8px;margin-left:auto}.app-layout{display:flex;height:calc(100dvh - 76px);min-height:450px}.sidebar{width:210px;flex:none;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:24px 13px 18px}.sidebar-heading{display:flex;justify-content:space-between;align-items:center;padding:0 8px 16px;font-size:12px;letter-spacing:.1em;color:var(--muted)}.sidebar-heading button{font-size:20px;padding:0 7px;background:transparent;border:none}.draft-list{overflow-y:auto;flex:1}.draft-item{display:block;text-align:left;width:100%;margin-bottom:6px;border:1px solid transparent;background:transparent;padding:12px}.draft-item.active{background:var(--surface);border-color:var(--line);box-shadow:0 3px 10px #16281f05}.draft-item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600}.draft-item small{display:block;margin-top:6px;font-size:10px;color:var(--muted)}.sidebar-foot{font-size:10px;line-height:2.2;color:var(--muted);padding:16px 8px 0}.local-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#7a9b7f;margin-right:6px}.workspace{min-width:0;flex:1;display:flex;flex-direction:column}.document-bar{display:flex;gap:20px;padding:20px 28px;align-items:center}.document-bar input{border:none;outline:none;background:transparent;font-size:19px;font-weight:600;min-width:0;flex:1;color:var(--text)}.document-bar input::placeholder{color:var(--muted);font-weight:400}.document-bar button{font-size:12px}.toolbar{display:flex;align-items:center;gap:4px;padding:8px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}.toolbar button{border:0;background:transparent;min-width:30px;padding:5px 8px}.toolbar button:hover{background:var(--accent-soft)}.toolbar-divider{height:17px;width:1px;background:var(--line);margin:0 5px}.sync-label{display:flex;align-items:center;gap:4px;margin-left:auto;font-size:11px;color:var(--muted)}input[type=checkbox]{accent-color:var(--accent)}.panes{display:grid;grid-template-columns:minmax(0,1fr) 5px minmax(0,1fr);flex:1;min-height:0}.editor-pane,.preview-pane{display:flex;flex-direction:column;min-width:0;overflow:hidden}.editor-pane{background:var(--surface)}.pane-label{display:flex;justify-content:space-between;padding:17px 24px 10px;font-size:9px;font-weight:600;letter-spacing:1.8px;color:var(--muted)}.pane-label span{font-size:10px;letter-spacing:0;font-weight:400}#editor{flex:1;min-height:0}.cm-editor{height:100%;font-size:14px;background:transparent!important}.cm-scroller{font-family:Cascadia Code,Consolas,Microsoft YaHei,monospace!important;line-height:1.9;overflow:auto!important}.cm-content{padding:14px 24px 100px!important}.cm-line{padding:0!important}.cm-focused{outline:none!important}.cm-cursor{border-left-color:var(--accent)!important}.cm-selectionBackground{background:var(--accent-soft)!important}.cm-gutters{display:none!important}.cm-placeholder{color:var(--muted)!important}#splitter{background:var(--line);cursor:col-resize;touch-action:none}#splitter:hover,#splitter:focus{background:var(--accent)}#preview-scroll{flex:1;overflow:auto;scrollbar-gutter:stable}.paper{max-width:820px;margin:0 auto;padding:30px 38px 100px}.paper>header h1{font-family:Songti SC,"Noto Serif CJK SC",Georgia,serif;font-size:30px;line-height:1.5;letter-spacing:-.03em;margin:12px 0 20px;overflow-wrap:anywhere}.preview-meta{font-size:10px;letter-spacing:1px;color:var(--accent)}#preview-description{color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:30px}#preview-cover{width:100%;max-height:260px;object-fit:cover;border-radius:8px;margin-bottom:25px}.status-bar{height:36px;flex:none;display:flex;gap:20px;align-items:center;padding:0 24px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);background:var(--surface)}.status-hint{margin-left:auto}.status-bar button{border:0;background:none;color:var(--muted);font-size:10px;padding:2px}.mobile-tabs{display:none}dialog{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:28px;width:min(660px,calc(100% - 28px));max-height:88dvh;box-shadow:0 24px 80px #0003}dialog::backdrop{background:#18282066;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.dialog-heading h2{font-size:21px;font-weight:600;margin:0}.dialog-heading button{border:0;background:transparent;font-size:22px;padding:0 6px}.muted{font-size:12px;color:var(--muted);line-height:1.8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:12px}.form-grid .full{grid-column:1/-1}input,textarea,select{padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text);min-width:0;font-size:13px}.form-grid .check-label{flex-direction:row;align-items:center}.dialog-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.export-card{width:100%;text-align:left;margin-top:10px;padding:22px}.export-card strong,.export-card span{display:block}.export-card span{font-size:12px;color:var(--muted);margin-top:8px}.notice{position:fixed;bottom:50px;left:50%;transform:translate(-50%);z-index:100;max-width:600px;width:calc(100% - 40px);padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 6px 30px #0002;font-size:13px;line-height:1.7;white-space:pre-line}.notice.error{border-color:#bf7466}.publish-status{font-size:13px;line-height:1.8;white-space:pre-line;margin-top:18px;overflow-wrap:anywhere}.publish-status a{display:inline-block;margin:5px 12px 0 0;text-decoration:underline}.remote-articles{display:flex;gap:8px;flex-wrap:wrap}.remote-articles select{flex:1;max-width:100%}.empty-preview{padding:15px 0;color:var(--muted);font-size:14px;line-height:2}.empty-preview hr{border:0;border-top:1px solid var(--line);margin:30px 0}.image-missing{outline:2px dashed #b97562;min-height:50px}.image-library{display:flex;gap:8px;overflow:auto}.image-library button{padding:3px;flex:none}.image-library img{width:64px;height:48px;object-fit:cover}@media(max-width:1100px){.sidebar{width:165px}.app-header{padding:0 18px;gap:18px}.paper{padding:24px}.toolbar{padding-inline:12px}.sync-label{display:none}}@media(max-width:760px){.app-header{height:64px;padding:0 12px;gap:8px}.brand{font-size:17px}.brand small{display:none}.brand-symbol{width:28px;height:32px;font-size:16px}.header-buttons{gap:4px}.header-buttons button{font-size:11px;padding:7px}.save-status{position:fixed;bottom:9px;right:12px;z-index:2;font-size:9px;max-width:130px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.app-layout{height:calc(100dvh - 64px)}.sidebar{width:54px;padding:12px 5px}.sidebar-heading{padding:0 0 10px;justify-content:center}.sidebar-heading>span,.sidebar-foot{display:none}.draft-item{padding:10px 5px}.draft-item strong{font-size:10px}.draft-item small{display:none}.document-bar{padding:14px 12px;gap:8px}.document-bar input{font-size:16px}.document-bar button{padding:7px;font-size:11px}.toolbar{gap:0;padding:5px 8px}.toolbar button{font-size:11px;min-width:26px;padding:5px}.toolbar-divider{margin:0 3px}.mobile-tabs{display:flex;margin-left:auto}.mobile-tabs button[aria-pressed=true]{color:var(--accent);background:var(--accent-soft)}.panes{display:block}.editor-pane,.preview-pane{height:100%}.preview-pane,#splitter,.panes.show-preview .editor-pane{display:none}.panes.show-preview .preview-pane{display:flex}.pane-label{padding:13px 16px 6px}.cm-content{padding:14px 16px 80px!important}.paper{padding:20px}.paper>header h1{font-size:25px}.status-bar{padding:0 12px;gap:12px}.status-hint,.status-bar button{display:none}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}dialog{padding:20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}