:root{--bg:#f5f5f5;--surface:#fff;--border:#e5e5e5;--text:#333;--text2:#666;--text3:#999;--accent:#c41d35;--accent-hover:#a01828;--header-bg:#fff;--editor-bg:#fafafa;--card-shadow:0 1px 3px #00000014}.dark{--bg:#1a1a1a;--surface:#2a2a2a;--border:#333;--text:#e0e0e0;--text2:#aaa;--text3:#888;--header-bg:#222;--editor-bg:#1e1e1e;--card-shadow:0 1px 3px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.header{background:var(--header-bg);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 20px;display:flex}.header-left{align-items:center;gap:12px;display:flex}.logo{color:var(--accent);font-size:18px;font-weight:700}.tagline{color:var(--text3);font-size:12px}.tab-nav{background:var(--header-bg);border-bottom:1px solid var(--border);flex-shrink:0;gap:0;padding:0 16px;display:flex;overflow-x:auto}.tab-btn{color:var(--text2);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 16px;font-size:13px;transition:all .2s}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.main-content{flex:1;padding:16px;overflow-y:auto}.footer{color:var(--text3);background:var(--header-bg);border-top:1px solid var(--border);text-align:center;flex-shrink:0;padding:8px 20px;font-size:12px}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:4px;padding:8px 16px;font-size:13px;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-accent{background:var(--accent);color:#fff}.btn-ghost{color:var(--text);border:1px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--border)}.btn-danger{color:#fff;background:#ff4757}.btn-sm{padding:5px 10px;font-size:12px}.btn-xs{padding:3px 8px;font-size:11px}.input{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;outline:none;width:100%;padding:8px 12px;font-size:14px}.input:focus{border-color:var(--accent)}.converter{flex-direction:column;height:calc(100vh - 130px);display:flex}.toolbar{flex-shrink:0;align-items:center;gap:8px;padding:8px 0;display:flex}.toolbar-right{align-items:center;gap:8px;margin-left:auto;display:flex}.char-count{color:var(--text3);font-size:12px}.style-select{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 10px;font-size:13px}.split-pane{background:var(--border);border-radius:8px;flex:1;gap:1px;display:flex;overflow:hidden}.editor-pane{background:var(--editor-bg);flex:1;display:flex}.editor-pane.full{flex:1}.editor{resize:none;background:var(--editor-bg);width:100%;height:100%;color:var(--text);border:none;outline:none;padding:16px;font-family:JetBrains Mono,Consolas,monospace;font-size:13px;line-height:1.6}.preview-pane{background:#fff;flex-direction:column;flex:1;display:flex}.preview-label{color:var(--text3);border-bottom:1px solid var(--border);padding:6px 12px;font-size:11px}.preview-content{flex:1;padding:16px;overflow-y:auto}.hint{color:var(--text3);text-align:center;flex-shrink:0;padding:6px 0;font-size:11px}.news-feed{max-width:800px;margin:0 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h2{font-size:18px}.draft-list{flex-direction:column;gap:8px;display:flex}.draft-item{background:var(--surface);box-shadow:var(--card-shadow);border-radius:8px;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.draft-title{font-size:14px;font-weight:500}.draft-meta{color:var(--text3);gap:12px;margin-top:4px;font-size:11px;display:flex}.draft-actions{gap:6px;display:flex}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface);border-radius:12px;flex-direction:column;width:90vw;height:85vh;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 16px;font-weight:600;display:flex}.preview-iframe{border:none;flex:1}.loading,.empty-state,.empty{text-align:center;color:var(--text3);padding:40px}.empty-state{flex-direction:column;align-items:center;gap:8px;display:flex}.empty-icon{font-size:32px}@media (width<=768px){.header{padding:8px 12px}.tagline{display:none}.tab-nav{padding:0 8px}.tab-btn{padding:8px 10px;font-size:12px}.main-content{padding:12px}.split-pane,.result-content,.form-row{flex-direction:column}.image-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.draft-item{flex-direction:column;align-items:flex-start;gap:8px}}.preview-frame{background:#fff;flex:1;padding:20px;overflow-y:auto}.preview-frame img{border-radius:6px;max-width:100%;height:auto;box-shadow:0 2px 12px #00000014}.skill-manager{max-width:900px;margin:0 auto}.skill-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.skill-header h2{font-size:18px}.skill-tabs{border-bottom:1px solid var(--border);gap:0;margin-bottom:16px;display:flex;overflow-x:auto}.skill-content{background:var(--surface);box-shadow:var(--card-shadow);border-radius:8px;padding:20px}.skill-meta{color:var(--text2);gap:16px;margin-bottom:16px;font-size:13px;display:flex}.skill-yaml{background:var(--editor-bg);white-space:pre-wrap;border-radius:6px;padding:16px;font-size:13px;line-height:1.6;overflow-x:auto}.form-row{align-items:center;gap:8px;margin-bottom:16px;display:flex}.form-group{margin-bottom:12px}.target-list{flex-direction:column;gap:8px;margin-top:16px;display:flex}.target-card{background:var(--bg);border-radius:6px;padding:12px 16px}.target-name{font-size:14px;font-weight:600}.target-meta{color:var(--text3);margin-top:4px;font-size:12px}.article-list{flex-direction:column;gap:8px;margin-top:16px;display:flex}.article-card{background:var(--bg);border-radius:6px;padding:10px 14px}.article-title{font-size:13px;font-weight:500}.article-meta{color:var(--text3);margin-top:2px;font-size:11px}.gen-result{margin-top:16px}.gen-result pre{background:var(--editor-bg);white-space:pre-wrap;border-radius:6px;max-height:400px;padding:16px;font-size:13px;line-height:1.6;overflow-y:auto}.evo-log{flex-direction:column;gap:8px;display:flex}.evo-item{background:var(--bg);border-radius:6px;padding:10px 14px}.evo-header{align-items:center;gap:12px;margin-bottom:4px;display:flex}.evo-version{background:var(--accent);color:#fff;border-radius:10px;padding:1px 8px;font-size:11px;font-weight:600}.evo-source{color:var(--text2);font-size:12px}.evo-time{color:var(--text3);margin-left:auto;font-size:11px}.evo-reason{color:var(--text2);font-size:13px}.message{background:var(--accent);color:#fff;border-radius:6px;margin-bottom:12px;padding:8px 12px;font-size:13px}.news-preview{color:var(--text3);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:6px;font-size:12px;line-height:1.5;display:-webkit-box;overflow:hidden}.news-stars{color:#f5a623;font-size:11px}.news-comments{color:var(--text3);font-size:11px}