:root{--ink:#172033;--muted:#667085;--bg:#f3f5fa;--panel:#fff;--line:#dfe3ee;--accent:#5b4ee6;--accent2:#13a39a;--danger:#c33c54;--gold:#c88b2a;--slide:#fff;--shadow:0 12px 34px rgba(30,42,80,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);line-height:1.45}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px;z-index:999}.skip:focus{left:8px}.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:#172033;color:#fff;position:sticky;top:0;z-index:50}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;font-weight:800}.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#7b6dff,#2bc8bd);display:grid;place-items:center;font-size:19px}.topnav{display:flex;gap:18px;align-items:center}.topnav a{text-decoration:none;color:#f0f2ff}.topnav .lang{border:1px solid #ffffff55;border-radius:999px;padding:5px 10px}.hero{max-width:1440px;margin:auto;padding:34px 28px 22px}.hero h1{font-size:clamp(30px,4vw,50px);line-height:1.05;margin:10px 0}.hero p{max-width:820px;color:var(--muted);font-size:18px}.privacy-note{display:inline-flex;align-items:center;gap:8px;background:#e9faf5;color:#08765f;border:1px solid #b8ecdd;border-radius:999px;padding:6px 11px;font-size:14px;font-weight:700}.ad-slot{max-width:1180px;height:92px;margin:0 auto 20px;border:1px dashed #c6cad6;border-radius:12px;display:grid;place-items:center;color:#858b9a;background:#fafbfe}.app-wrap{padding:0 14px 28px}.app-shell{max-width:1800px;margin:auto;display:grid;grid-template-columns:270px minmax(580px,1fr) 330px;min-height:770px;background:#e8ebf3;border:1px solid #d4d8e4;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.panel{background:var(--panel);min-width:0;overflow:auto}.left-panel{border-right:1px solid var(--line)}.right-panel{border-left:1px solid var(--line)}.tabs{display:flex;gap:2px;padding:8px;background:#f5f6fa;position:sticky;top:0;z-index:3}.tab{border:0;background:transparent;padding:8px 9px;border-radius:8px;color:#596174;font-size:13px}.tab.active{background:#fff;color:var(--accent);box-shadow:0 1px 4px #0001;font-weight:700}.pane{display:none;padding:12px}.pane.active{display:block}.workspace{min-width:0;display:flex;flex-direction:column}.workspace-toolbar{height:52px;display:flex;align-items:center;gap:6px;padding:7px 10px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:4}.workspace-scroll{flex:1;overflow:auto;padding:40px;display:flex;justify-content:center;align-items:flex-start;background-color:#e6e9f2;background-image:radial-gradient(#c9cedb 1px,transparent 1px);background-size:18px 18px}.slide-stage{position:relative;width:960px;aspect-ratio:16/9;background:var(--slide);box-shadow:0 18px 45px rgba(28,34,56,.22);overflow:hidden;transform-origin:top center;flex:none}.slide-stage.ratio-4-3{aspect-ratio:4/3}.slide-stage.portrait{aspect-ratio:3/4}.slide-element{position:absolute;min-width:20px;min-height:16px;outline:1px solid transparent;user-select:none}.slide-element.selected{outline:2px solid #6a5cff;outline-offset:2px}.slide-element .resize{display:none;position:absolute;right:-7px;bottom:-7px;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #6254e9}.slide-element.selected .resize{display:block}.el-text{white-space:pre-wrap;overflow:hidden;padding:4px}.el-shape{width:100%;height:100%;border-radius:10px}.el-image{width:100%;height:100%;object-fit:cover;display:block}.el-chart svg,.el-diagram svg,.el-qr canvas{width:100%;height:100%;display:block}.el-table{width:100%;height:100%;overflow:hidden}.el-table table{width:100%;border-collapse:collapse;font-size:clamp(8px,1vw,14px)}.el-table th,.el-table td{border:1px solid #cad0dd;padding:5px;text-align:left}.el-table th{background:#eeeff8}.slide-list{display:grid;gap:10px}.slide-thumb{position:relative;border:2px solid transparent;border-radius:10px;background:#f4f5f9;padding:6px;cursor:pointer}.slide-thumb.active{border-color:var(--accent);background:#eeeefe}.slide-thumb canvas,.slide-thumb .thumb-art{width:100%;aspect-ratio:16/9;background:#fff;border-radius:5px;display:grid;place-items:center;color:#9ba0af;font-size:12px;overflow:hidden}.slide-thumb .thumb-number{position:absolute;left:9px;bottom:8px;background:#172033;color:#fff;border-radius:5px;padding:1px 6px;font-size:11px}.slide-thumb .thumb-title{font-size:12px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}.row{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.btn{border:1px solid #cdd2de;background:#fff;color:#253044;border-radius:9px;padding:8px 10px;font-weight:650;font-size:13px}.btn:hover{border-color:#8f84f0;background:#faf9ff}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.teal{background:var(--accent2);border-color:var(--accent2);color:#fff}.btn.danger{color:#a6293c;border-color:#e5b9c2}.btn.gold{color:#8a5b10;border-color:#e4c480;background:#fffaf0}.btn.small{padding:6px 9px}.btn.block{width:100%}.hidden{display:none}.field{margin-bottom:10px}.field label{display:block;font-size:12px;font-weight:700;color:#596174;margin-bottom:4px}.field input,.field select,.field textarea{width:100%;border:1px solid #cfd4df;border-radius:8px;padding:8px;background:#fff}.field textarea{min-height:90px;resize:vertical}.field-inline{display:grid;grid-template-columns:1fr 1fr;gap:8px}.section-title{font-size:13px;color:#596174;text-transform:uppercase;letter-spacing:.08em;margin:15px 0 8px}.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.template-card{border:1px solid #d9dce6;border-radius:10px;padding:7px;background:#fff;cursor:pointer}.template-card:hover{border-color:var(--accent)}.template-card .preview{aspect-ratio:16/9;border-radius:6px;background:linear-gradient(135deg,var(--c1,#5947d8),var(--c2,#18a9a0));margin-bottom:5px;position:relative;overflow:hidden}.template-card .preview:after{content:'';position:absolute;left:12%;right:18%;top:25%;height:10%;background:#fff;border-radius:4px;box-shadow:0 18px 0 #ffffffaa,0 36px 0 #ffffff66}.template-card b{font-size:11px;line-height:1.2;display:block}.status{font-size:12px;color:#5d6576;padding:8px 0}.status.ok{color:#08765f}.status.error{color:#b22f47}.data-table-wrap{overflow:auto;max-height:330px;border:1px solid #dddfe8;border-radius:8px}.data-table{border-collapse:collapse;width:100%;font-size:12px;background:#fff}.data-table th,.data-table td{border-bottom:1px solid #e5e7ee;padding:6px;white-space:nowrap}.data-table th{position:sticky;top:0;background:#eef0f7}.checker-item{border-left:4px solid #d2a338;background:#fff8e6;padding:8px 10px;margin:7px 0;border-radius:6px;font-size:12px}.checker-item.error{border-color:#c33c54;background:#fff0f3}.checker-item.ok{border-color:#12a079;background:#effcf8}.score{font-size:36px;font-weight:850;color:var(--accent)}.progress{height:8px;background:#e1e4ec;border-radius:999px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:.2s}.article-wrap{max-width:1180px;margin:24px auto 0;padding:20px;display:grid;grid-template-columns:1fr 300px;gap:24px}.article{background:#fff;border-radius:14px;padding:26px;box-shadow:0 5px 20px #28304a0d}.article h2{margin-top:25px}.article h3{margin-bottom:4px}.callout{background:#eef7ff;border-left:4px solid #3c83d4;padding:14px;border-radius:8px;margin:16px 0}.aside-card{background:#172033;color:#fff;padding:20px;border-radius:14px;position:sticky;top:80px}.site-footer{margin-top:35px;background:#172033;color:#d8dcec;padding:38px 22px}.footer-inner{max-width:1180px;margin:auto}.project-links{display:flex;flex-wrap:wrap;gap:8px}.project-links a{border:1px solid #ffffff22;padding:6px 9px;border-radius:7px;text-decoration:none;font-size:13px}.footer-bottom{border-top:1px solid #ffffff20;margin-top:22px;padding-top:18px;color:#aeb6cc}.footer-bottom a{color:#fff}.mobile-nav{display:none}.presenter{position:fixed;inset:0;background:#090b12;color:#fff;z-index:1000;display:none}.presenter.active{display:grid;grid-template-columns:1fr 320px}.present-main{display:grid;place-items:center;padding:28px}.present-slide{width:min(100%,1200px);aspect-ratio:16/9;background:#fff;position:relative;overflow:hidden;color:#172033}.present-side{border-left:1px solid #ffffff22;padding:18px;overflow:auto}.present-next{aspect-ratio:16/9;background:#fff;color:#333;position:relative;overflow:hidden;margin:10px 0}.present-notes{white-space:pre-wrap;color:#d3d7e3}.present-toolbar{position:absolute;left:18px;bottom:18px;display:flex;gap:8px;z-index:2}.present-toolbar button{background:#ffffff1c;color:#fff;border:1px solid #ffffff44;border-radius:8px;padding:8px}.outline-box{min-height:220px}.app-only{display:block}.static-only{display:none}.notice{background:#fff6db;border:1px solid #edcf73;padding:10px;border-radius:8px;font-size:12px}.property-delete{margin-top:10px;width:100%}
@media(max-width:1150px){.app-shell{grid-template-columns:230px minmax(480px,1fr)}.right-panel{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);max-height:430px}.article-wrap{grid-template-columns:1fr}.aside-card{position:static}}
@media(max-width:760px){.topnav a:not(.lang){display:none}.hero{padding:24px 16px 14px}.ad-slot{margin:0 12px 14px;height:70px}.app-wrap{padding:0}.app-shell{display:block;border-radius:0;min-height:0}.left-panel,.right-panel{border:0;max-height:none}.workspace{min-height:560px}.workspace-scroll{padding:22px 10px}.slide-stage{width:calc(100vw - 20px)!important;transform:none!important}.slide-stage .el-text{font-size:clamp(7px,2.5vw,14px)!important;overflow-wrap:anywhere}.workspace-toolbar{overflow-x:auto}.left-panel{display:none}.right-panel{display:none}.left-panel.mobile-show,.right-panel.mobile-show{display:block}.mobile-nav{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid #ddd;z-index:40}.mobile-nav button{border:0;background:#fff;padding:12px 3px;font-size:11px}.article-wrap{padding:12px}.presenter.active{grid-template-columns:1fr}.present-side{display:none}.workspace-toolbar .hide-mobile{display:none}}
@media print{.topbar,.hero,.ad-slot,.panel,.workspace-toolbar,.article-wrap,.mobile-nav,.site-footer{display:none!important}.app-wrap{padding:0}.app-shell{display:block;border:0;box-shadow:none}.workspace-scroll{padding:0;background:#fff;overflow:visible}.slide-stage{width:100vw;box-shadow:none;break-after:page}}