*{box-sizing:border-box}body{margin:0;font-family:-apple-system,PingFang SC,Microsoft YaHei,system-ui,sans-serif;background:#f6f8fa;color:#222}.app{display:flex;align-items:flex-start;min-height:100vh}.sidebar{width:220px;flex:0 0 220px;background:#fff;border-right:1px solid #e6e8eb;padding:16px;position:sticky;top:0;align-self:stretch;min-height:100vh}.brand{font-size:18px;font-weight:700;margin-bottom:18px}.sidebar-title{font-size:12px;color:#888;margin-bottom:8px}.sidebar-item{display:block;width:100%;text-align:left;padding:10px 12px;border:1px solid #d0d7de;background:#fff;border-radius:8px;cursor:pointer;font-size:14px;margin-bottom:8px}.sidebar-item.active{background:#ffd000;border-color:#ffd000;font-weight:600}.content{flex:1;min-width:0;padding:0 16px 40px}.menu-toggle{display:none;border:1px solid #d0d7de;background:#fff;border-radius:8px;padding:6px 12px;font-size:16px;margin-right:10px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid #e6e8eb;margin-bottom:20px}.brand{font-size:20px;font-weight:700}.topbar nav button{margin-left:8px;padding:8px 14px;border:1px solid #d0d7de;background:#fff;border-radius:8px;cursor:pointer;font-size:14px}.topbar nav button.active{background:#ffd000;border-color:#ffd000;font-weight:600}h2{margin:0 0 16px}h3{margin:0 0 10px}.board-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}button.primary{background:#ffd000;border:1px solid #ffd000;border-radius:8px;padding:8px 16px;font-weight:600;cursor:pointer}button{cursor:pointer}.alert{background:#ffecec;border:1px solid #ffb3b3;color:#c00;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.warn{background:#fff8e6;border:1px solid #ffe08a;color:#8a6d00;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.board{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.col{background:#fff;border:1px solid #e6e8eb;border-radius:10px;padding:12px;min-height:200px}.col h3{font-size:15px;border-bottom:1px solid #eee;padding-bottom:8px}.count{color:#888;font-weight:400}.card{background:#fafbfc;border:1px solid #e6e8eb;border-radius:8px;padding:10px;margin-bottom:10px;cursor:pointer;transition:.15s}.card:hover{border-color:#ffd000}.ptitle{font-weight:600;font-size:14px;margin-bottom:4px}.pmeta{font-size:12px;color:#666}.pactions{margin-top:6px;text-align:right}.pactions button{border:1px solid #d0d7de;background:#fff;border-radius:6px;padding:3px 10px;font-size:12px}.empty{color:#bbb;font-size:13px;text-align:center;padding:20px 0}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;background:#fff;border:1px solid #e6e8eb;border-radius:10px;padding:16px}.form-grid label{display:flex;flex-direction:column;font-size:13px;color:#555;gap:4px}.form-grid input,.form-grid select{padding:8px 10px;border:1px solid #d0d7de;border-radius:6px;font-size:14px}.preview{margin-top:16px;background:#fff;border:1px solid #e6e8eb;border-radius:10px;padding:16px}.pv-title{font-weight:600;margin-bottom:8px}.pv-desc{white-space:pre-wrap;background:#f6f8fa;border-radius:6px;padding:12px;font-family:inherit;font-size:13px;line-height:1.6}.img-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.thumb{width:64px;height:64px;object-fit:cover;border-radius:6px;border:1px solid #eee}.form-actions{margin-top:16px;display:flex;gap:10px}.io-page{display:grid;grid-template-columns:1fr 1fr;gap:16px}.io-card{background:#fff;border:1px solid #e6e8eb;border-radius:10px;padding:16px}.io-tip{grid-column:1 / -1;color:#888;font-size:13px}.download-page{background:#fff;border:1px solid #e6e8eb;border-radius:10px;padding:24px;max-width:640px}.download-page h2{font-size:22px;margin:0 0 8px}.download-page .sub{color:#555;font-size:14px;margin:0 0 14px;line-height:1.6}.dl-meta{font-size:13px;color:#888;margin-bottom:16px}.dl-btn{display:inline-block;text-decoration:none;color:#222}.dl-tip{color:#888;font-size:13px;margin:14px 0 0;line-height:1.6}.guide-steps{margin:8px 0 4px;padding-left:22px;line-height:1.9;font-size:14px;color:#333}.guide-steps li{margin-bottom:4px}@media(max-width:720px){.app{flex-direction:column}.sidebar{position:static;width:100%;flex:none;min-height:auto;border-right:none;border-bottom:1px solid #e6e8eb;display:none}.sidebar.open{display:block}.menu-toggle{display:inline-block}.content{padding:0 12px 40px}.download-page{max-width:100%}}