:root{
  --bg:#ffffff;--bg-subtle:#f6f8fa;--bg-inset:#f6f8fa;
  --border:#d0d7de;--border-muted:#d8dee4;
  --fg:#1f2328;--fg-muted:#656d76;--fg-subtle:#6e7781;
  --accent:#0969da;--accent-hover:#0550ae;--accent-subtle:#ddf4ff;
  --success:#1a7f37;--success-bg:#dafbe1;--success-border:#4ac26b;
  --danger:#cf222e;--danger-bg:#ffebe9;
  --star:#bf8700;--star-bg:#fff8c5;
  --radius:6px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 8px 24px rgba(0,0,0,.12);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --dur: 500ms;
  --bar-h-flat: 60px;
  --bar-h-pill: 48px;
  --pill-w: 88%;
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#0d1117;--bg-subtle:#161b22;--bg-inset:#010409;
    --border:#30363d;--border-muted:#21262d;
    --fg:#e6edf3;--fg-muted:#8b949e;--fg-subtle:#6e7681;
    --accent:#2f81f7;--accent-hover:#58a6ff;--accent-subtle:#121d2f;
    --success:#3fb950;--success-bg:#12261e;--success-border:#238636;
    --danger:#f85149;--danger-bg:#1e0f0c;
    --star:#d29922;--star-bg:#2e2a1a;
    --shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 8px 24px rgba(0,0,0,.5);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden}
body{background:var(--bg);color:var(--fg);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
a{color:var(--accent);text-decoration:none;cursor:pointer}
a:hover{text-decoration:underline}

/* ====== 完美平滑 Header（保留标题） ====== */
.topbar-stage {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding-top: env(safe-area-inset-top, 0px);
}
.topbar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  white-space: nowrap;
  overflow: hidden;
  width: 100%;
  height: var(--bar-h-flat);
  border-radius: 0;
  background: var(--bg-subtle);
  border: 1px solid transparent;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(0,0,0,0), 0 1px 3px rgba(0,0,0,0);
  transform: translateY(0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
}
.topbar.is-pill {
  width: var(--pill-w);
  height: var(--bar-h-pill);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-subtle) 85%, transparent);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
  transform: translateY(8px);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.topbar, .topbar.is-pill {
  transition:
    width var(--dur) var(--ease),
    height var(--dur) var(--ease),
    border-radius var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    backdrop-filter var(--dur) var(--ease),
    -webkit-backdrop-filter var(--dur) var(--ease);
  will-change: width, height, border-radius, transform, box-shadow;
}
.Header-logo{font-weight:600;font-size:16px;color:var(--fg);display:flex;align-items:center;gap:8px;white-space:nowrap;transition: all var(--dur) var(--ease);}
.Header-logo svg{width:20px;height:20px;fill:var(--fg)}
.Header-nav{display:flex;gap:4px;align-items:center}
.Header-link{padding:6px 10px;border-radius:var(--radius);color:var(--fg);font-weight:500;font-size:14px;transition:background .15s;white-space:nowrap}
.Header-link:hover{background:var(--border-muted);text-decoration:none}
.Header-link.active{background:var(--border-muted)}
.Header-menu-btn{display:none;background:none;border:none;color:var(--fg);font-size:20px;cursor:pointer;padding:6px 10px;border-radius:var(--radius)}

/* 胶囊态保留并微调文字 */
.topbar.is-pill .Header-title { font-size: 14px; opacity: 0.9; display: block; }
.topbar.is-pill .Header-link { padding: 4px 10px; font-size: 13px; }

/* Drawer */
.Drawer-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99;opacity:0;transition:opacity .3s}
.Drawer-overlay.show{display:block;opacity:1}
.Drawer{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:300px;background:var(--bg);z-index:100;transform:translateX(100%);transition:transform .3s var(--ease);display:flex;flex-direction:column;box-shadow:-4px 0 24px rgba(0,0,0,.15)}
.Drawer.show{transform:translateX(0)}
.Drawer-header{padding:16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.Drawer-close{background:none;border:none;color:var(--fg-muted);font-size:24px;cursor:pointer;line-height:1}
.Drawer-nav{padding:12px;display:flex;flex-direction:column;gap:4px}
.Drawer-link{padding:12px 16px;border-radius:var(--radius);font-size:16px;font-weight:500;color:var(--fg);cursor:pointer;display:flex;align-items:center;gap:12px}
.Drawer-link.active{background:var(--border-muted)}
.Drawer-link:hover{background:var(--bg-subtle)}

/* 主内容区 */
.Container{max-width:1012px;margin:0 auto;padding:80px 16px 40px;min-height:100vh}
.PageHeader{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.PageHeader h2{font-size:20px;font-weight:600;margin:0}

/* 页面过渡 */
.Page{animation:fadeIn .3s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* Utils */
.Box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;box-shadow:var(--shadow-sm);overflow:hidden}
.Box-header{padding:12px 16px;background:var(--bg-subtle);border-bottom:1px solid var(--border);font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.Box-body{padding:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:5px 16px;font-size:14px;font-weight:500;line-height:20px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-subtle);color:var(--fg);cursor:pointer;font-family:inherit;white-space:nowrap;transition:background .15s,transform .1s}
.btn:hover{background:var(--border-muted)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--success);color:#fff;border-color:var(--success-border)}
.btn-primary:hover{background:#1a7f37}
.btn-sm{padding:3px 10px;font-size:12px;line-height:18px}
.hide{display:none!important}

.FormGroup{margin-bottom:12px}
.FormGroup label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.FormControl{width:100%;padding:5px 12px;font-size:14px;line-height:20px;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;transition:border-color .15s,box-shadow .15s}
.FormControl:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}
.Dl-row{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}
.Dl-row .FormControl{flex:1;min-width:200px}
.Dl-row select.FormControl{width:auto;flex:none;min-width:160px;padding-right:24px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23656d76' d='M6 8L2 4h8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;-webkit-appearance:none;-moz-appearance:none;appearance:none}

/* Repo Header */
.RepoHeader{padding:16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:4px}
.RepoHeader-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.RepoHeader-name{font-size:18px;font-weight:600;display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0;overflow-wrap:anywhere}
.RepoHeader-desc{color:var(--fg-muted);font-size:14px}
.RepoHeader-stats{display:flex;gap:16px;margin-top:6px;color:var(--fg-muted);font-size:12px;flex-wrap:wrap}
.RepoHeader-stats span{display:inline-flex;align-items:center;gap:5px}
.Star-badge{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:999px;background:var(--star-bg);color:var(--star);border:1px solid color-mix(in srgb, var(--star) 35%, transparent);font-size:12px;font-weight:600;white-space:nowrap}

/* User Profile */
.UserHeader{display:flex;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.UserAvatar{width:160px;height:160px;border-radius:50%;border:1px solid var(--border);object-fit:cover;background:var(--bg-subtle)}
.UserInfo{flex:1;min-width:240px}
.UserName{font-size:24px;font-weight:600;margin:0 0 4px 0}
.UserLogin{font-size:18px;color:var(--fg-muted);font-weight:300;margin-bottom:16px}
.UserBio{font-size:15px;margin-bottom:16px}
.UserStats{display:flex;gap:16px;color:var(--fg-muted);font-size:14px;flex-wrap:wrap}
.UserStats b{color:var(--fg)}

/* Lists */
.List{list-style:none;margin:0;padding:0}
.List-item{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--border-muted);gap:12px;transition:background .15s}
.List-item:last-child{border-bottom:none}
.List-item:hover{background:var(--bg-subtle)}
.List-item a{font-weight:500;min-width:0;overflow-wrap:anywhere}
.List-item .muted{color:var(--fg-muted);font-size:12px;white-space:nowrap}
.List-empty{padding:16px;color:var(--fg-muted);text-align:center;font-size:13px}

/* 骨架屏 */
.Skeleton-row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border-muted)}
.Skeleton-box{background:var(--border-muted);border-radius:4px;animation:pulse 1.5s infinite ease-in-out}
.Skeleton-title{width:40%;height:16px}
.Skeleton-meta{width:15%;height:14px}
@keyframes pulse{0%{opacity:.6}50%{opacity:.3}100%{opacity:.6}}

.RepoToolbar{display:flex;align-items:stretch;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--bg-subtle);gap:8px;flex-wrap:nowrap}
.RepoTabs{display:flex;min-width:0;flex:1;overflow-x:auto;-webkit-overflow-scrolling:touch}
.RepoTab{border:none;border-bottom:2px solid transparent;border-radius:0;background:transparent;color:var(--fg-muted);padding:10px 16px;font:inherit;font-weight:500;font-size:14px;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:color .15s,border-color .15s}
.RepoTab:hover{background:var(--border-muted);color:var(--fg)}
.RepoTab.active{border-bottom-color:var(--accent);color:var(--fg)}
.RepoToolbar .btn{border:none;border-left:1px solid var(--border);border-radius:0;background:transparent;padding:10px 16px;flex-shrink:0}
.RepoToolbar .btn:hover{background:var(--border-muted)}

.Breadcrumb{padding:8px 16px;font-size:14px;border-bottom:1px solid var(--border);background:var(--bg-subtle);display:flex;flex-wrap:wrap;gap:4px;overflow-wrap:anywhere}
.Breadcrumb a{font-weight:500}
.Breadcrumb .sep{color:var(--fg-muted)}

/* Releases */
.Release-list-item{padding:16px;border-bottom:1px solid var(--border-muted);cursor:pointer;transition:background .15s;display:flex;justify-content:space-between;align-items:center;gap:12px}
.Release-list-item:hover{background:var(--bg-subtle)}
.Release-list-title{font-size:16px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:8px;word-break:break-all}
.Release-list-name{color:var(--fg-muted);font-size:13px;margin-left:8px;font-weight:400}
.Release-list-meta{color:var(--fg-muted);font-size:12px;display:flex;align-items:center;gap:12px;white-space:nowrap}

.Release-view-header{padding:16px;border-bottom:1px solid var(--border);background:var(--bg-subtle);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.Release-view-title{font-size:20px;font-weight:600;display:flex;align-items:center;gap:8px;word-break:break-all;flex:1}
.Release-view-tag{background:var(--accent-subtle);color:var(--accent);padding:2px 10px;border-radius:20px;font-size:14px;font-weight:600;border:1px solid color-mix(in srgb, var(--accent) 30%, transparent)}
.Release-view-body{padding:24px;font-size:14px;line-height:1.6;word-wrap:break-word;border-bottom:1px solid var(--border)}
.Release-view-body h1,.Release-view-body h2,.Release-view-body h3{margin:24px 0 16px;font-weight:600;border-bottom:1px solid var(--border-muted);padding-bottom:.3em}
.Release-view-body p{margin:0 0 16px}
.Release-view-body ul,.Release-view-body ol{margin:0 0 16px;padding-left:2em}
.Release-view-body img{max-width:100%}
.Release-view-body pre{background:var(--bg-inset);border:1px solid var(--border);border-radius:var(--radius);padding:16px;overflow:auto}
.Release-view-body code{background:var(--bg-inset);border-radius:6px;padding:.2em .4em;font:85% ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.Assets-section{padding:16px}
.Assets-header{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.Assets-header .count{background:var(--border);color:var(--fg-muted);padding:2px 8px;border-radius:12px;font-size:12px}
.Asset-box{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.Asset-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-muted);gap:12px;transition:background .15s}
.Asset-row:hover{background:var(--bg-subtle)}
.Asset-icon{color:var(--fg-muted);font-size:16px;flex-shrink:0}
.Asset-info{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-wrap:anywhere}
.Asset-info a{font-weight:600;color:var(--accent);font-size:14px}
.Asset-meta{display:flex;align-items:center;gap:16px;color:var(--fg-muted);font-size:12px;white-space:nowrap}
.Asset-dl-btn{color:var(--fg-muted);padding:6px;border-radius:4px;cursor:pointer;background:transparent;border:none}
.Asset-dl-btn:hover{color:var(--accent);background:var(--accent-subtle)}

/* README */
.Readme{border-top:1px solid var(--border)}
.Readme-header{padding:12px 16px;background:var(--bg-subtle);border-bottom:1px solid var(--border);font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px}
.Readme-body{padding:24px 32px;line-height:1.6;overflow-x:auto;word-wrap:break-word}
.Readme-body h1,.Readme-body h2,.Readme-body h3,.Readme-body h4{margin:24px 0 16px;font-weight:600;line-height:1.25}
.Readme-body h1{font-size:2em;border-bottom:1px solid var(--border-muted);padding-bottom:.3em}
.Readme-body h2{font-size:1.5em;border-bottom:1px solid var(--border-muted);padding-bottom:.3em}
.Readme-body img{max-width:100%;height:auto}
.Readme-body pre{background:var(--bg-inset);border:1px solid var(--border);border-radius:var(--radius);padding:16px;overflow:auto}
.Readme-body code{background:var(--bg-inset);border-radius:6px;padding:.2em .4em;font:85% ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.Readme-body pre code{background:none;padding:0}
.Readme-body table{border-collapse:collapse;margin:0 0 16px;width:auto;display:block;overflow-x:auto}
.Readme-body th,.Readme-body td{border:1px solid var(--border);padding:6px 13px}
.Readme-body th{background:var(--bg-subtle);font-weight:600}
.Readme-body blockquote{margin:0 0 16px;padding:0 1em;color:var(--fg-muted);border-left:.25em solid var(--border)}

/* File preview */
.File-preview-header{padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg-subtle);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.File-preview-title{font-size:16px;font-weight:600;flex:1;display:flex;align-items:center;gap:8px;overflow-wrap:anywhere;min-width:200px}
.File-preview-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.File-preview-body{padding:0;overflow:auto;position:relative;min-height:200px}
.File-preview-body pre{margin:0;padding:16px;background:var(--bg-inset);font:13px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-all}
.File-preview-body .md-content{padding:24px 32px}
.File-preview-body iframe{width:100%;height:500px;border:none;background:#fff}

/* Search */
.Search-item{padding:16px;border-bottom:1px solid var(--border-muted);transition:background .15s}
.Search-item:hover{background:var(--bg-subtle)}
.Search-title{font-size:16px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:8px;flex-wrap:wrap;overflow-wrap:anywhere}
.Search-desc{color:var(--fg-muted);font-size:13px;margin:6px 0}
.Search-meta{display:flex;gap:16px;color:var(--fg-muted);font-size:12px;flex-wrap:wrap;margin-top:8px;align-items:center}

/* ====== Modals 进出动画（终极修复版） ====== */
.Modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px);
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
  overflow-y: auto;
}
.Modal.show {
  display: flex;
}
.Modal.ready {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  transition: background .3s ease, backdrop-filter .3s ease;
}
.Modal-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 448px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: opacity .3s ease, transform .3s var(--ease);
}
.Modal.ready .Modal-box {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.Modal-header{padding:16px;border-bottom:1px solid var(--border);font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center}
.Modal-body{padding:16px}
.Modal-footer{padding:16px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.Modal-close{background:none;border:none;color:var(--fg-muted);font-size:24px;cursor:pointer;transition:color .2s}
.Modal-close:hover{color:var(--fg)}

/* 真 Tab 样式 */
.Modal-tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:16px}
.Modal-tab{flex:1;text-align:center;padding:10px;background:none;border:none;border-bottom:2px solid transparent;color:var(--fg-muted);font-weight:500;cursor:pointer;transition:all .2s}
.Modal-tab.active{border-bottom-color:var(--accent);color:var(--accent)}

/* Spinner */
.Spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Responsive */
@media(max-width:768px){
  .Header-nav{display:none}
  .Header-menu-btn{display:block}
  .topbar.is-pill { --pill-w: 92%; }
}
@media(max-width:640px){
  .Container{padding:80px 12px 40px}
  .UserHeader{gap:16px}
  .UserAvatar{width:100px;height:100px}
  .Dl-row{flex-wrap:wrap}
  .Dl-row .FormControl,.Dl-row select.FormControl,.Dl-row .btn{width:100%;justify-content:center}
  .Readme-body{padding:16px 14px}
  .Modal{padding:16px 12px}
  .Modal-box{max-width:none}
}