:root{--bg:#05080d;--panel:#0b1524;--blue:#168bff;--blue2:#3aa7ff;--text:#f4f8fc;--muted:#a8b4c4;--line:#1b2a3d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.site-header{height:76px;padding:0 max(32px,calc((100vw - 1200px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(5,8,13,.94);position:sticky;top:0;z-index:20}.brand{font-size:28px;font-weight:800;letter-spacing:1px}.brand span{color:var(--blue)}.site-header nav{display:flex;height:100%;gap:40px}.site-header nav a{height:100%;display:flex;align-items:center;color:#d4dae2;border-bottom:3px solid transparent}.site-header nav a:hover,.site-header nav a.active{color:var(--blue2);border-color:var(--blue)}.nav-toggle{display:none;background:none;border:0;color:white;font-size:26px}.hero{max-width:1260px;margin:auto;min-height:550px;padding:72px 30px 35px;display:grid;grid-template-columns:1fr 1.08fr;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(22,139,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(22,139,255,.045) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to right,transparent,#000)}.hero-copy,.hero-visual{position:relative;z-index:1}.eyebrow,.section-head small,.page-title small{color:var(--blue2);font-size:12px;font-weight:700;letter-spacing:3px}.hero h1{font-size:54px;line-height:1.18;margin:20px 0 22px;letter-spacing:-2px}.hero p{max-width:570px;color:var(--muted);font-size:18px}.actions{display:flex;gap:14px;margin-top:34px}.btn{display:inline-flex;min-height:50px;padding:0 28px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;cursor:pointer;font:inherit}.btn.primary{background:linear-gradient(135deg,var(--blue),#0876e6);border-color:var(--blue);color:white}.btn.secondary{border-color:var(--blue);color:var(--blue2)}.btn.small{min-height:40px;padding:0 20px}.btn:hover{transform:translateY(-1px);filter:brightness(1.12)}.hero-visual{min-height:430px;display:flex;align-items:center;justify-content:center}.hero-visual:after{content:"";position:absolute;width:70%;height:32%;background:#0876e6;filter:blur(80px);opacity:.22;bottom:40px}.hero-visual img{max-width:100%;max-height:470px;object-fit:contain;position:relative;z-index:2;mix-blend-mode:screen}.signal-lines{position:absolute;inset:20% -20% 5% -10%;background:repeating-linear-gradient(8deg,transparent 0 18px,rgba(22,139,255,.2) 19px,transparent 20px);opacity:.7}.capabilities{max-width:1200px;margin:0 auto 80px;padding:0 30px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.capabilities article{border:1px solid var(--line);background:linear-gradient(145deg,#07101b,var(--panel));padding:30px;display:flex;align-items:center;gap:22px}.capabilities b{color:var(--blue);font-size:34px}.capabilities h3{margin:0 0 7px}.capabilities p{color:var(--muted);margin:0;font-size:14px}.section,.page-main{max-width:1200px;margin:auto;padding:70px 30px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-head h2,.page-title h1{font-size:38px;margin:5px 0}.section-head>a{color:var(--blue2)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:var(--panel);border:1px solid var(--line);padding:22px}.product-card img{width:100%;height:220px;object-fit:contain;background:#060b12}.product-card span,.download-list span{font-size:12px;color:var(--blue2)}.product-card h3{font-size:21px}.product-card p,.product-card pre{color:var(--muted);white-space:pre-wrap;font:inherit}.page-title{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:36px}.page-title p{color:var(--muted)}.download-list,.news-list{display:grid;gap:14px}.download-list article,.news-list article{background:var(--panel);border:1px solid var(--line);padding:24px 28px;display:flex;justify-content:space-between;gap:30px}.download-list p,.news-list p{color:var(--muted);margin:5px 0}.download-side{display:flex;align-items:center;gap:20px}.news-list article{display:block}.news-list time{color:var(--blue2);font-size:13px}.about-box{max-width:820px;font-size:18px;color:var(--muted)}.contact{margin-top:30px;padding:20px;border-left:3px solid var(--blue);display:flex;gap:20px}.empty{grid-column:1/-1;padding:35px;border:1px dashed var(--line);color:var(--muted)}footer{border-top:1px solid var(--line);max-width:1200px;margin:50px auto 0;padding:40px 30px;color:var(--muted);display:flex;align-items:center;gap:24px;flex-wrap:wrap}footer .brand{color:white;font-size:20px}footer small{margin-left:auto}.install-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 60% 20%,#0c2a4b,var(--bg) 50%)}.install-card{width:min(620px,calc(100% - 30px));background:var(--panel);border:1px solid var(--line);padding:38px;border-radius:8px}.form-grid{display:grid;gap:16px}.form-grid label{display:grid;gap:6px;color:var(--muted)}input,textarea{width:100%;background:#070e18;color:white;border:1px solid #29405b;border-radius:5px;padding:12px;font:inherit}textarea{resize:vertical}.notice,.error{padding:12px 16px;margin:14px 0;border-left:3px solid #38bdf8;background:#092038}.error{border-color:#ef4444;background:#2b1115}.admin-body{min-height:100vh;background:#07101a}.admin-side{position:fixed;inset:0 auto 0 0;width:230px;background:#05090f;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;gap:14px}.admin-side nav{display:grid;gap:5px;margin:28px 0 auto}.admin-side nav a,.admin-side>a{padding:10px 12px;color:var(--muted)}.admin-side nav a.active{background:#0d2944;color:#55aaff;border-left:3px solid var(--blue)}.admin-main{margin-left:230px;padding:35px;max-width:1250px}.admin-main>header{margin-bottom:20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stats article,.admin-panel{background:var(--panel);border:1px solid var(--line);padding:24px}.stats b{font-size:38px;color:var(--blue2);display:block}.admin-panel{margin-top:20px}.admin-list{display:grid}.admin-list article{padding:14px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between}.admin-list article>div{display:flex;gap:14px;align-items:center}.admin-list form{display:inline}.admin-list button{background:none;border:0;color:#ff7070;cursor:pointer}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.check input{width:auto}
@media(max-width:850px){.site-header{height:auto;min-height:68px;flex-wrap:wrap;padding:0 20px}.nav-toggle{display:block}.site-header nav{display:none;width:100%;height:auto;gap:0;flex-direction:column}.site-header nav.open{display:flex}.site-header nav a{padding:13px 0}.hero{grid-template-columns:1fr;padding-top:55px}.hero h1{font-size:38px}.hero-visual{min-height:330px}.capabilities,.card-grid{grid-template-columns:1fr}.download-list article{display:block}.download-side{margin-top:15px}.admin-side{position:static;width:auto}.admin-side nav{grid-template-columns:repeat(2,1fr);margin:12px 0}.admin-main{margin-left:0;padding:20px}.stats{grid-template-columns:1fr}footer small{margin-left:0;width:100%}}
.site-header nav a.lang-switch{height:34px;margin:auto 0;padding:0 13px;border:1px solid #315273;border-radius:4px;color:var(--blue2)}
.driver-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch}.driver-card{background:var(--panel);border:1px solid var(--line);overflow:hidden;min-height:365px}.driver-card>.driver-info{height:100%;padding:28px;display:flex;flex-direction:column}.driver-card span{font-size:12px;color:var(--blue2)}.driver-card h3{font-size:21px;margin:14px 0 8px}.driver-card p{color:var(--muted);margin:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.driver-card-bottom{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;margin-top:auto;padding-top:24px}.driver-cover{width:min(100%,var(--cover-width,320px));height:var(--cover-height,128px);display:flex;align-items:center;justify-content:center;overflow:hidden;background:#07101b;border:1px solid #1a2b3e;transition:border-color .2s,transform .2s,background .2s}.driver-cover img{display:block;width:auto;height:auto;object-fit:contain}.driver-cover:hover{border-color:var(--blue);background:#0a1a2b;transform:translateY(-2px)}.driver-cover--empty{background:transparent;border-color:transparent;pointer-events:none}.driver-action{display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-end;gap:14px;white-space:nowrap}.stats.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:850px){.driver-grid{grid-template-columns:1fr}.driver-card{min-height:340px}.driver-card>.driver-info{padding:22px}.driver-card-bottom{grid-template-columns:minmax(0,1fr) auto;gap:16px}.driver-cover{height:112px}.site-header nav a.lang-switch{margin:10px 0;height:40px;width:max-content}.stats.two{grid-template-columns:1fr}}
@media(max-width:520px){.driver-card{min-height:auto}.driver-card-bottom{grid-template-columns:1fr}.driver-cover{height:150px}.driver-action{align-items:stretch}.driver-action .btn{width:100%}}

/* v2 modular administration and rich content */
select{width:100%;background:#070e18;color:white;border:1px solid #29405b;border-radius:5px;padding:12px;font:inherit}
.form-grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.quick-actions{display:flex;gap:12px;flex-wrap:wrap}
.admin-table article{padding:16px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}
.admin-table article>div{display:flex;gap:14px;align-items:center}.admin-table article>div:first-child{display:grid;gap:2px}
.admin-table small{color:var(--muted)}.admin-table form{display:inline}.admin-table button{background:none;border:0;color:#ff7070;cursor:pointer;font:inherit}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.panel-head form{min-width:220px}
.panel-head h2{margin:0}.panel-head p{margin:5px 0 0;color:var(--muted)}
.category-filter{margin:22px 0 8px;max-width:460px}.category-filter label{display:grid;gap:7px;color:var(--muted)}
.content-manager>.admin-table{margin-top:18px}
.home-module{display:grid;gap:18px}.home-module:first-of-type{margin-top:0}.module-kicker{color:var(--blue2);font-weight:700;letter-spacing:2px}.module-badge{border:1px solid #315273;border-radius:20px;padding:4px 12px;color:#8fc9ff;font-size:12px}.home-module .panel-head h2{margin:3px 0}.home-module .panel-head p{margin:0;color:var(--muted)}
.sticky-save{position:sticky;bottom:16px;z-index:10;background:rgba(8,18,30,.96);border:1px solid #315273;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:20px;box-shadow:0 12px 35px rgba(0,0,0,.35);backdrop-filter:blur(8px)}.sticky-save span{color:var(--muted)}
.editor-field{display:grid;gap:7px}.field-title{color:var(--muted)}
.html-editor{border:1px solid #29405b;border-radius:7px;overflow:visible;background:#07101a;box-shadow:0 12px 35px rgba(0,0,0,.16);position:relative}
.html-editor__toolbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:8px;background:linear-gradient(#102238,#0b1828);border-bottom:1px solid #29405b;position:sticky;top:0;z-index:3}
.editor-group{display:flex;align-items:center;gap:4px}.editor-separator{width:1px;height:28px;background:#315273;margin:0 2px}.editor-spacer{flex:1}
.html-editor__toolbar button,.html-editor__toolbar select,.editor-upload,.editor-color{width:auto;min-height:34px;background:#13263c;color:#e6f2ff;border:1px solid #315273;border-radius:4px;padding:5px 9px;cursor:pointer;font:14px/1.2 inherit;display:inline-flex;align-items:center;justify-content:center}
.html-editor__toolbar button:hover,.html-editor__toolbar select:hover,.editor-upload:hover,.html-editor__toolbar .is-active{background:#19466f;border-color:#4ca9ff;color:#fff}
.html-editor__toolbar select{padding-right:24px}.editor-upload input{display:none}.editor-upload.is-uploading{opacity:.55;pointer-events:none}
.editor-media-modal{position:fixed;inset:0;z-index:10020;background:rgba(0,0,0,.76);display:grid;place-items:center;padding:24px}.editor-media-modal[hidden]{display:none}.editor-media-dialog{width:min(980px,100%);max-height:88vh;display:flex;flex-direction:column;background:#0b1828;border:1px solid #3c678f;border-radius:8px;box-shadow:0 24px 80px rgba(0,0,0,.65);overflow:hidden}.editor-media-head,.editor-media-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;background:#102238;border-bottom:1px solid #29405b}.editor-media-head>div{display:grid}.editor-media-head small,.editor-media-upload span,.editor-media-foot span{color:#90a8bf}.editor-media-head button{font-size:24px}.editor-media-upload{padding:14px 18px;display:flex;align-items:center;gap:16px;border-bottom:1px solid #29405b}.editor-media-upload label{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;background:#0876e6;border:1px solid #168bff;border-radius:5px;color:#fff;cursor:pointer}.editor-media-upload input{display:none}.editor-media-grid{padding:18px;display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:12px;overflow:auto;min-height:280px}.editor-media-item{padding:8px;background:#07101a;border:2px solid transparent;border-radius:6px;color:#dcecff;cursor:pointer;text-align:left}.editor-media-item:hover,.editor-media-item.is-selected{border-color:#168bff;background:#0c2945}.editor-media-item img{display:block;width:100%;height:110px;object-fit:contain;background:#fff}.editor-media-item b,.editor-media-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor-media-item b{margin-top:7px;font-size:12px}.editor-media-item small{color:#8098af;font-size:11px}.editor-media-empty{grid-column:1/-1;display:grid;place-items:center;color:#90a8bf;min-height:220px}.editor-media-foot{border-top:1px solid #29405b;border-bottom:0}.editor-media-foot button.primary{background:#0876e6;border-color:#168bff}.editor-media-foot button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:760px){.editor-media-grid{grid-template-columns:repeat(2,minmax(110px,1fr))}.editor-media-upload,.editor-media-foot{align-items:stretch;flex-direction:column}}
.editor-color{position:relative;width:36px!important;padding:0!important;font-weight:700}.editor-color input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.editor-color span{border-bottom:3px solid #172033}.editor-color--background span{background:#fff3a3;color:#172033;padding:1px 4px;border:0}
.html-editor__status{padding:5px 12px;background:#0a1421;color:#8194aa;font-size:12px;display:flex;justify-content:space-between;border-bottom:1px solid #20354c}
.rich-editor,.rich-editor-source{min-height:360px;padding:24px;background:#fff;color:#172033;line-height:1.75;width:100%;border:0;border-radius:0}
.rich-editor-source{display:none;background:#08101a;color:#d4e8ff;font:14px/1.65 Consolas,"Courier New",monospace;resize:vertical}
.html-editor.is-source .rich-editor{display:none}.html-editor.is-source .rich-editor-source{display:block}
.rich-editor:focus,.rich-editor-source:focus{outline:2px solid var(--blue);outline-offset:-2px}.rich-editor img,.rich-content img{max-width:100%;height:auto}.rich-editor img.is-selected{outline:2px solid #168bff;outline-offset:1px}
.editor-image-sizing{position:relative}.editor-image-size-panel{position:absolute;left:0;top:calc(100% + 8px);z-index:20;width:410px;max-width:calc(100vw - 50px);padding:15px;background:#0c1b2d;border:1px solid #4b7399;border-radius:7px;box-shadow:0 18px 45px rgba(0,0,0,.45);color:#e6f2ff}.editor-image-size-panel[hidden]{display:none}.editor-image-size-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.editor-image-size-title span,.editor-image-size-panel small{color:#90a8bf;font-size:12px}.editor-image-size-inputs{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:end}.editor-image-size-inputs label{display:grid;grid-template-columns:1fr auto;gap:5px;align-items:center;font-size:12px;color:#a9bdd1}.editor-image-size-inputs input{grid-column:1/-1;padding:8px;color:#fff}.editor-image-size-inputs button{height:38px;margin-bottom:1px}.editor-image-size-presets,.editor-image-size-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.editor-image-size-actions{padding-top:12px;border-top:1px solid #29405b}.editor-image-size-actions .primary{margin-left:auto;background:#0876e6;border-color:#168bff}.editor-image-size-panel small{display:block;margin-top:10px}.editor-image-resize-overlay{position:absolute;z-index:12;border:2px solid #168bff;pointer-events:none}.editor-image-resize-overlay[hidden]{display:none}.editor-image-resize-handle{position:absolute!important;width:14px!important;height:14px!important;min-height:14px!important;padding:0!important;border:2px solid #fff!important;border-radius:50%!important;background:#168bff!important;pointer-events:auto;touch-action:none}.handle-nw{left:-8px;top:-8px;cursor:nwse-resize}.handle-ne{right:-8px;top:-8px;cursor:nesw-resize}.handle-se{right:-8px;bottom:-8px;cursor:nwse-resize}.handle-sw{left:-8px;bottom:-8px;cursor:nesw-resize}
.editor-table-sizing{position:relative}.editor-table-size-panel{position:absolute;left:0;top:calc(100% + 8px);z-index:21;width:430px;max-width:calc(100vw - 50px);padding:15px;background:#0c1b2d;border:1px solid #4b7399;border-radius:7px;box-shadow:0 18px 45px rgba(0,0,0,.45);color:#e6f2ff}.editor-table-size-panel[hidden]{display:none}.editor-table-size-title{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.editor-table-size-title span,.editor-table-size-panel small{color:#90a8bf;font-size:12px}.editor-table-size-inputs{display:grid;grid-template-columns:1fr 1fr;gap:10px}.editor-table-size-inputs label{display:grid;grid-template-columns:1fr auto;gap:5px;align-items:center;font-size:12px;color:#a9bdd1}.editor-table-size-inputs input{grid-column:1/-1;padding:8px;color:#fff}.editor-table-size-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid #29405b}.editor-table-size-actions .primary{margin-left:auto;background:#0876e6;border-color:#168bff}.editor-table-size-panel small{display:block;margin-top:10px}.rich-editor td.is-table-selected,.rich-editor th.is-table-selected{outline:2px solid #168bff;outline-offset:-2px}.editor-table-resize-overlay{position:absolute;z-index:11;border:2px solid #168bff;pointer-events:none}.editor-table-resize-overlay[hidden]{display:none}.editor-table-resize-handle{position:absolute!important;padding:0!important;border:0!important;border-radius:3px!important;background:#168bff!important;pointer-events:auto;touch-action:none}.table-handle-column{right:-5px;top:20%;width:9px!important;min-width:9px!important;height:60%!important;min-height:20px!important;cursor:col-resize}.table-handle-row{left:20%;bottom:-5px;width:60%!important;min-width:20px!important;height:9px!important;min-height:9px!important;cursor:row-resize}
.editor-table-structure-actions{margin-top:12px;padding-top:12px;border-top:1px solid #29405b}.editor-table-structure-actions>b{display:block;margin-bottom:8px;font-size:13px}.editor-table-structure-actions>div{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px;margin-top:7px}.editor-table-structure-actions button{white-space:nowrap}.editor-table-structure-actions [data-table-delete-row],.editor-table-structure-actions [data-table-delete-column]{color:#ff9b9b;border-color:#7b4148}
.maintenance-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.maintenance-warning{padding:13px 15px;border:1px solid #8b6723;background:#2a2111;color:#ffd98b;border-radius:6px}.backup-list article{align-items:center}.backup-list .backup-meta{display:grid;gap:3px}.backup-list .backup-actions{display:flex;align-items:center;gap:12px}.backup-list .backup-actions form{margin:0}.backup-list .backup-actions button{color:#ff8e8e}.update-rules{margin:0;padding-left:20px;color:var(--muted)}.update-rules li+li{margin-top:5px}
.rich-editor table,.rich-content table{width:100%;max-width:100%;border-collapse:collapse;margin:15px auto;table-layout:fixed}.rich-editor td,.rich-editor th,.rich-content td,.rich-content th{border:1px solid #c8d2dc;padding:9px;overflow-wrap:anywhere}.rich-editor th,.rich-content th{background:#edf3f8}
.rich-editor blockquote,.rich-content blockquote{margin:18px 0;padding:10px 18px;border-left:4px solid #168bff;background:#edf6ff}.rich-editor pre,.rich-content pre{padding:16px;background:#101827;color:#d7e5f4;overflow:auto;border-radius:5px}.rich-editor code,.rich-content code{font-family:Consolas,"Courier New",monospace;background:#e9eef3;padding:2px 5px;border-radius:3px}.rich-editor pre code,.rich-content pre code{background:none;padding:0}
.html-editor.is-fullscreen{position:fixed;inset:12px;z-index:9999;display:flex;flex-direction:column;border-color:#4ca9ff;box-shadow:0 0 0 20px rgba(0,0,0,.8)}.html-editor.is-fullscreen .rich-editor,.html-editor.is-fullscreen .rich-editor-source{flex:1;min-height:0;overflow:auto}
.rich-editor a,.rich-content a{color:#168bff;text-decoration:underline}
.detail-head{display:block;border-bottom:1px solid var(--line);padding-bottom:42px}
.detail-head>img{display:none}
.detail-head h1{font-size:42px;margin:12px 0}.detail-head p{color:var(--muted)}.crumb{color:var(--blue2)}
.detail-meta{display:flex;align-items:center;gap:22px;margin-top:25px}
.rich-content{margin-top:35px;background:#fff;color:#172033;padding:clamp(22px,4vw,54px);border-radius:6px;line-height:1.8}
.rich-content table{width:100%;border-collapse:collapse}.rich-content td,.rich-content th{border:1px solid #ccd6e0;padding:8px}
@media(max-width:850px){.form-grid.cols-2,.maintenance-grid{grid-template-columns:1fr}.detail-head{grid-template-columns:1fr}.admin-table article,.panel-head{align-items:flex-start;flex-direction:column}.editor-table-structure-actions>div{grid-template-columns:1fr}}

/* v2.3 uniform cards, category ordering and multi-download management */
.category-order{display:flex!important;gap:12px!important;align-items:center;flex-wrap:wrap}.category-order form{display:inline-flex}.category-order button:disabled{opacity:.28;cursor:not-allowed}
.download-editor{margin-top:8px;padding:22px;border:1px solid #29405b;background:#08121e}.download-editor .panel-head{margin-bottom:16px}.download-editor h3{margin:0}.download-items{display:grid;gap:16px}.download-item{padding:18px;border:1px solid #29405b;background:#0a1726}.download-item.is-removed{display:none}.download-item__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.download-remove{background:none;border:0;color:#ff7070;cursor:pointer;font:inherit}.download-empty{margin:0}.download-empty[hidden]{display:none}
.public-downloads{margin-top:45px}.public-downloads .section-head{margin-bottom:18px}.public-download-list{display:grid;gap:12px}.public-download-list article{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;background:var(--panel);border:1px solid var(--line)}.public-download-list h3{margin:0}.public-download-list p{margin:4px 0 0;color:var(--muted)}
@media(max-width:620px){.public-download-list article{align-items:stretch;flex-direction:column}.public-download-list .btn{width:100%}}

/* v2.4 cover image sizing and live card preview */
.driver-cover img{width:var(--cover-scale,86%);height:var(--cover-scale,86%);max-width:100%;max-height:100%;object-fit:contain}
.cover-editor{display:grid;grid-template-columns:minmax(280px,1fr) minmax(360px,1.2fr);gap:26px;padding:22px;border:1px solid #29405b;background:#08121e}.cover-editor__controls{display:flex;flex-direction:column;justify-content:space-between;gap:24px}.cover-file{margin-top:10px;display:inline-flex!important;width:max-content;padding:10px 18px;border:1px solid var(--blue);border-radius:5px;color:#8fc9ff!important;cursor:pointer}.cover-file:hover{background:#0d2944}.cover-file input{display:none}.cover-scale{display:grid!important;grid-template-columns:1fr auto;gap:8px!important}.cover-scale input{grid-column:1/-1;padding:0;accent-color:var(--blue)}.cover-scale b{color:var(--blue2)}.cover-preview{display:grid;gap:8px}.cover-preview__label{font-weight:700}.cover-preview__frame{width:min(100%,var(--cover-width,320px))!important;height:var(--cover-height,128px)!important;position:relative;pointer-events:none}.cover-preview__empty{position:absolute;inset:0;display:grid;place-items:center;color:#6f8298}.cover-preview__empty[hidden],.cover-preview img[hidden]{display:none}.cover-preview small,.cover-editor small{color:var(--muted);overflow-wrap:anywhere}.cover-remove{margin-top:12px;color:#ff9a9a!important}
@media(max-width:900px){.cover-editor{grid-template-columns:1fr}.cover-preview__frame{height:150px}}

/* v2.5 global cover frame: one size everywhere; large images scale down without distortion */
.driver-cover,.cover-preview__frame{width:var(--cover-size,140px);height:var(--cover-size,140px);flex:0 0 var(--cover-size,140px)}

/* v2.7 square cover preview */
.cover-editor{grid-template-columns:minmax(280px,1fr) minmax(240px,1fr)}
.cover-preview{justify-items:start}
.cover-preview__frame{width:var(--cover-size,140px)!important;height:var(--cover-size,140px)!important}
.cover-preview__empty{text-align:center;padding:10px}
.driver-card-bottom{align-items:flex-end}

/* v2.8 homepage hero image editor */
.hero-image-editor{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(360px,1.2fr);gap:24px;padding:22px;border:1px solid var(--line);background:#07101b}.hero-image-editor__controls{display:grid;align-content:start;gap:14px}.hero-image-preview{min-width:0}.hero-image-preview__stage{height:300px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #1d3856;background:#05080d}.hero-image-preview__stage:after{content:"";position:absolute;width:60%;height:25%;bottom:20px;background:#0876e6;filter:blur(55px);opacity:.2}.hero-image-preview__stage .signal-lines{inset:18% -10% 5% -15%}.hero-image-preview__stage img{position:relative;z-index:2;width:100%;height:100%;padding:18px;object-fit:contain}
@media(max-width:850px){.hero-image-editor{grid-template-columns:1fr}.hero-image-preview__stage{height:240px}}

/* LongTimeTech independent product-site theme */
.lt-site{--bg:#fff;--panel:#fff;--red:#d71920;--red2:#ef2a32;--ink:#1c2430;--text:#1c2430;--muted:#68717d;--line:#e6e9ed;background:#fff;color:var(--ink)}
.lt-site .topbar{height:34px;background:#171b21;color:#b9c0c8;font-size:12px}
.lt-site .topbar>div{height:100%;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}
.lt-site .topbar a{color:#fff}.lt-site .site-header{height:82px;background:rgba(255,255,255,.97);border-bottom:1px solid #e6e9ed;padding:0 max(28px,calc((100vw - 1240px)/2));box-shadow:0 8px 28px rgba(25,31,40,.04)}
.brand-longtime{position:relative;display:grid;grid-template-columns:auto auto;grid-template-rows:auto auto;align-items:end;width:max-content;font-style:normal;line-height:1}
.brand-longtime b,.brand-longtime i{font-size:25px;letter-spacing:-1px;font-style:normal}.brand-longtime b{color:#1d2530}.brand-longtime i{color:var(--red);font-weight:900}
.brand-longtime small{grid-column:1/-1;margin-top:4px;color:#7b838d;font-size:7px;letter-spacing:2.5px;font-weight:700}
.lt-site .site-header nav{gap:34px}.lt-site .site-header nav>a,.lt-site .nav-products>a{color:#343b45;font-size:14px;font-weight:600;border-bottom:3px solid transparent}
.lt-site .site-header nav>a:hover,.lt-site .site-header nav>a.active,.lt-site .nav-products>a:hover,.lt-site .nav-products>a.active{color:var(--red);border-color:var(--red)}
.lt-site .site-header nav a.lang-switch{height:32px;margin:auto 0;border:1px solid #d5d9de;border-radius:0;padding:0 14px;color:#444b55}
.nav-products{height:100%;position:relative}.nav-products>a{height:100%;display:flex;align-items:center}
.product-menu{position:absolute;left:-190px;top:calc(100% + 1px);width:560px;padding:14px;background:#fff;border-top:3px solid var(--red);box-shadow:0 18px 45px rgba(20,27,36,.16);display:grid;grid-template-columns:1fr 1fr;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}
.nav-products:hover .product-menu,.nav-products:focus-within .product-menu{opacity:1;visibility:visible;transform:none}
.product-menu a{display:grid;gap:3px;padding:14px 16px;border-bottom:1px solid #eef0f2;color:#242b34}.product-menu a:hover{background:#f7f8f9;color:var(--red)}
.product-menu small{color:#858d97;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lt-site .hero{max-width:none;min-height:600px;padding:74px max(30px,calc((100vw - 1240px)/2));grid-template-columns:.9fr 1.1fr;background:linear-gradient(112deg,#f5f6f7 0 56%,#eceff2 56% 100%)}
.lt-site .hero:before{background:linear-gradient(90deg,transparent 49.8%,rgba(215,25,32,.08) 50%,transparent 50.2%);background-size:42px 42px;mask-image:none;opacity:.28}
.lt-site .eyebrow,.lt-site .section-head small,.lt-site .page-title small,.application-copy>small,.about-layout aside>small{color:var(--red);letter-spacing:2.5px}
.lt-site .hero h1{max-width:620px;font-size:56px;color:#17202b;letter-spacing:-2px}.lt-site .hero h1:after{content:"";display:block;width:64px;height:4px;margin-top:25px;background:var(--red)}
.lt-site .hero p{color:#616a75}.lt-site .btn{border-radius:0}.lt-site .btn.primary{background:var(--red);border-color:var(--red)}.lt-site .btn.secondary{color:#343b45;border-color:#aeb4bb;background:transparent}
.lt-site .hero-visual:after{width:80%;height:16%;bottom:80px;background:#a3aab2;opacity:.2;filter:blur(35px)}
.lt-site .hero-visual img{mix-blend-mode:normal;max-height:490px;filter:drop-shadow(0 24px 24px rgba(22,28,36,.24))}
.hero-ring{position:absolute;width:470px;height:470px;border:1px solid rgba(215,25,32,.22);border-radius:50%}.hero-ring:before,.hero-ring:after{content:"";position:absolute;border:1px solid rgba(45,53,63,.12);border-radius:50%}.hero-ring:before{inset:48px}.hero-ring:after{inset:96px}
.category-strip{max-width:1240px;margin:-44px auto 0;position:relative;z-index:3;display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 16px 42px rgba(28,35,45,.1)}
.category-strip>a{min-height:126px;padding:24px;background:#fff;border-right:1px solid #e8ebee;display:flex;gap:15px;align-items:flex-start;transition:.2s}.category-strip>a:hover{background:#1d232b;color:#fff;transform:translateY(-5px)}
.category-strip>a>span{color:var(--red);font-weight:800}.category-strip>a div{display:grid;gap:13px}.category-strip>a b{font-size:15px}.category-strip>a small{color:#89919b;font-size:11px}
.lt-site .section,.lt-site .page-main{max-width:1240px;padding:90px 28px}.lt-site .section-head h2,.lt-site .page-title h1{color:#202732}.lt-site .section-head p,.lt-site .page-title p{color:#6c7480}
.lt-site .product-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.product-showcase-card{min-height:0!important;border:1px solid #e5e8ec!important;background:#fff!important;transition:.22s;overflow:hidden}
.product-showcase-card:hover{transform:translateY(-7px);box-shadow:0 20px 48px rgba(31,39,49,.12);border-color:#d5d9df!important}
.product-image{height:245px;background:#f4f5f6;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.product-image:after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--red);transition:.25s}.product-showcase-card:hover .product-image:after{width:100%}
.product-image img{width:var(--cover-scale,86%);height:var(--cover-scale,86%);object-fit:contain;filter:drop-shadow(0 14px 14px rgba(28,34,42,.12))}
.product-image>span{font-size:22px;font-weight:900;color:#c6cbd1;letter-spacing:3px}
.product-showcase-card>.driver-info{padding:23px!important}.product-showcase-card .driver-info>span{color:var(--red);font-size:11px;text-transform:uppercase;letter-spacing:1px}
.product-showcase-card h3{color:#202732;font-size:19px;margin:9px 0}.product-showcase-card p{color:#747d88;font-size:13px;min-height:42px}
.text-link{margin-top:18px;padding-top:15px;border-top:1px solid #eceef1;color:#343b45;font-size:13px;font-weight:700}.text-link b{float:right;color:var(--red)}
.application-section{background:#1c222a;color:#fff;padding:84px max(30px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}
.application-copy h2{font-size:40px;line-height:1.25;margin:12px 0 22px}.application-copy p{color:#aeb6c0}
.application-grid{display:grid;grid-template-columns:1fr 1fr}.application-grid article{min-height:180px;padding:26px;border:1px solid #343b45}.application-grid article:nth-child(2),.application-grid article:nth-child(4){border-left:0}.application-grid article:nth-child(3),.application-grid article:nth-child(4){border-top:0}
.application-grid b{color:var(--red)}.application-grid h3{margin:22px 0 8px}.application-grid p{color:#9ca5b0;font-size:12px}
.strengths{max-width:1240px;margin:auto;padding:70px 28px;display:grid;grid-template-columns:repeat(4,1fr)}
.strengths>div{padding:10px 30px;border-right:1px solid #e2e5e8;display:grid}.strengths>div:last-child{border:0}.strengths b{color:var(--red);font-size:35px}.strengths span{color:#6f7781;font-size:13px}
.product-page-title{padding-top:15px}.product-detail-head{display:grid!important;grid-template-columns:minmax(320px,.9fr) 1.1fr;gap:70px;align-items:center;padding:20px 0 55px}
.detail-product-image{height:440px;display:flex;align-items:center;justify-content:center;background:#f2f3f5}.detail-product-image img{width:88%;height:88%;object-fit:contain}.detail-product-image span{font-size:30px;font-weight:900;color:#c7ccd2;letter-spacing:4px}
.lt-site .detail-head h1{color:#1f2731}.lt-site .detail-head p{color:#68717c}.lt-site .crumb{color:var(--red)}.lt-site .detail-meta b{display:inline-flex;padding:7px 13px;background:#1e252d;color:#fff}
.lt-site .rich-content{border-radius:0;box-shadow:0 10px 35px rgba(25,32,41,.07);border:1px solid #e4e7ea}
.lt-site .public-download-list article{background:#f6f7f8;border-color:#e2e5e8}.lt-site .public-download-list p{color:#737b85}
.about-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:90px}.about-layout h2{font-size:38px}.about-layout p{font-size:17px;line-height:2;color:#626b76}.about-layout aside{padding:35px;background:#1e252d;color:#fff;display:grid;align-content:start;gap:16px}.about-layout aside b{font-size:20px}.about-layout aside a{color:#fff;border-bottom:1px solid #49525d;padding-bottom:14px}.about-layout aside span{color:#9fa8b2}
.lt-footer{max-width:none!important;margin:30px 0 0!important;padding:46px max(30px,calc((100vw - 1240px)/2))!important;background:#151a20;border:0!important;color:#9da5ae!important}.lt-footer .brand-longtime b{color:#fff}.lt-footer .brand-longtime i{color:var(--red)}.lt-footer small:last-child{margin-left:auto}
@media(max-width:1050px){
  .lt-site .site-header nav{gap:18px}.category-strip{margin:-25px 24px 0;grid-template-columns:repeat(3,1fr)}.category-strip>a:nth-child(n+4){display:none}
  .lt-site .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.application-section{grid-template-columns:1fr;gap:35px}
}
@media(max-width:850px){
  .lt-site .topbar{display:none}.lt-site .site-header{height:auto;min-height:70px;padding:0 20px}.lt-site .nav-toggle{color:#222}
  .lt-site .site-header nav{height:auto}.lt-site .site-header nav a{height:auto}.nav-products{width:100%;height:auto}.nav-products>a{padding:13px 0}
  .product-menu{position:static;width:100%;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:1px solid #e5e8eb;padding:5px 12px;grid-template-columns:1fr}.nav-products:hover .product-menu,.nav-products:focus-within .product-menu{display:grid}
  .lt-site .hero{padding:60px 24px 35px;grid-template-columns:1fr;background:#f3f4f5}.lt-site .hero h1{font-size:40px}.lt-site .hero-visual{min-height:320px}.hero-ring{width:300px;height:300px}
  .category-strip{grid-template-columns:1fr;margin:0}.category-strip>a{min-height:90px}.category-strip>a:nth-child(n+4){display:flex}
  .application-grid{grid-template-columns:1fr}.application-grid article:nth-child(n){border:1px solid #343b45;border-bottom:0}.application-grid article:last-child{border-bottom:1px solid #343b45}
  .strengths{grid-template-columns:1fr 1fr}.strengths>div:nth-child(2){border-right:0}.strengths>div{margin-bottom:28px}
  .product-detail-head,.about-layout{grid-template-columns:1fr;gap:35px}.detail-product-image{height:330px}
}
@media(max-width:560px){
  .lt-site .product-grid{grid-template-columns:1fr}.lt-site .hero h1{font-size:34px}.lt-site .actions{flex-direction:column}.lt-site .actions .btn{width:100%}
  .strengths{grid-template-columns:1fr}.strengths>div{border-right:0;border-bottom:1px solid #e2e5e8;padding-bottom:24px}
  .lt-footer{align-items:flex-start!important;flex-direction:column}.lt-footer small:last-child{margin-left:0}
}