:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --ink:#0f1728;
  --ink2:#344054;
  --muted:#697386;
  --muted2:#98a2b3;
  --line:#e3e8f0;
  --line2:#d7dfeb;
  --brand:#3156d3;
  --brand-strong:#2448bf;
  --brand-soft:#eef3ff;
  --brand-softer:#f7f9ff;
  --green:#087a55;
  --green-soft:#ecfdf5;
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 20px 54px rgba(31,48,82,.075);
  --shadow-sm:0 10px 30px rgba(31,48,82,.055);
  --content:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-size:15px}
body.modal-open{overflow:hidden}
::selection{background:#dfe7ff;color:#1d3d9c}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
button{color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,.skill-card:focus-visible,.category-card:focus-visible{
  outline:3px solid rgba(49,86,211,.15);
  outline-offset:2px;
}
.i{display:inline-flex;align-items:center;justify-content:center;line-height:0}
.i svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.shell{max-width:var(--content);margin:auto;padding:0 32px}

/* top navigation */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(22px) saturate(1.18);border-bottom:1px solid rgba(221,227,237,.82)}
.nav{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:780;letter-spacing:-.014em;white-space:nowrap;color:#172033}
.brand img{width:31px;height:31px}
.brand em{font-style:normal;color:var(--brand)}
.navlinks{display:flex;align-items:center;gap:4px;margin-left:20px}
.navlinks a{position:relative;padding:9px 13px;border-radius:10px;color:#5b6576;font-size:14px;transition:.18s ease}
.navlinks a:hover{background:#f7f9fc;color:#1f2937}
.navlinks a.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.navspacer{flex:1}

/* search system */
.nav-search,.hero-search,.filter-search{position:relative;display:flex;align-items:center;background:#fff;border:1px solid var(--line);transition:.18s ease}
.nav-search{width:322px;height:42px;border-radius:12px;background:#f8fafc}
.nav-search:focus-within,.hero-search:focus-within,.filter-search:focus-within{
  background:#fff;border-color:#b7c6ed;box-shadow:0 0 0 4px rgba(49,86,211,.065)
}
.search-leading{display:flex;align-items:center;justify-content:center;width:42px;color:#8b95a5;flex:0 0 auto}
.nav-search input,.hero-search input,.filter-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--ink)
}
.nav-search input{font-size:12.5px;padding:0 2px}
.nav-search input::placeholder,.hero-search input::placeholder,.filter-search input::placeholder{color:#9aa4b3}
.search-clear{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:0;border-radius:9px;background:transparent;color:#98a2b3;cursor:pointer;transition:.15s}
.search-clear:hover{background:#f1f4f8;color:#475467}
.nav-search input:placeholder-shown~.search-clear,.hero-search input:placeholder-shown~.search-clear{opacity:0;pointer-events:none}
.search-shortcut{font-size:10px;line-height:1;border:1px solid #dce2eb;border-bottom-width:2px;background:#fff;color:#8b95a5;border-radius:6px;padding:4px 6px;margin-right:3px}
.search-submit{border:0;cursor:pointer;display:flex;align-items:center;justify-content:center}
.search-submit.compact{width:38px;height:38px;border-radius:9px;background:transparent;color:#667085}
.search-submit.compact:hover{background:#eef3ff;color:var(--brand)}

/* reusable */
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:10.5px;font-weight:800;letter-spacing:.14em;color:var(--brand);text-transform:uppercase}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:currentColor;opacity:.72}
.section-kicker{display:block;margin-bottom:7px;font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#8590a2}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line2);background:#fff;border-radius:12px;padding:10px 15px;cursor:pointer;transition:.18s ease;font-weight:680;font-size:13.5px}
.btn .i svg{width:15px;height:15px}
.btn:hover{transform:translateY(-1px);border-color:#c3cde0;box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0)}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 20px rgba(49,86,211,.14)}
.btn.primary:hover{background:var(--brand-strong);border-color:var(--brand-strong)}
.btn.ghost{background:#fff}
.badge{display:inline-flex;align-items:center;min-height:25px;border-radius:999px;padding:5px 9px;font-size:10.5px;line-height:1;background:var(--brand-soft);color:var(--brand);font-weight:720}
.badge.native{background:var(--green-soft);color:var(--green)}
.badge.muted-badge{background:#f4f6f9;color:#657082}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.section{padding:56px 0}
.section.alt{background:#fafbfd;border-top:1px solid #edf0f5;border-bottom:1px solid #edf0f5}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:28px;line-height:1.2;letter-spacing:-.028em;margin:0 0 8px}
.section-head p{margin:0;color:var(--muted);line-height:1.65}
.section-head>a{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--brand);font-weight:680;white-space:nowrap}
.section-head>a .i svg{width:14px;height:14px}

/* home */
.hero{position:relative;overflow:hidden;padding:86px 0 62px;background:
  radial-gradient(circle at 88% -14%,rgba(73,105,220,.12),transparent 31%),
  linear-gradient(180deg,#fff 0%,#f8fafd 100%);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(49,86,211,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(49,86,211,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.45),transparent 82%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(370px,.75fr);gap:64px;align-items:center}
.hero-overline{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.project-chip{display:inline-flex;align-items:center;min-height:28px;padding:5px 9px;border:1px solid #e1e7f5;background:rgba(255,255,255,.72);border-radius:999px;color:#697386;font-size:10.5px;font-weight:650}
.hero h1{max-width:790px;font-size:50px;line-height:1.08;margin:17px 0 20px;letter-spacing:-.05em;font-weight:790}
.hero p{font-size:16.5px;line-height:1.84;color:#5e697a;max-width:770px;margin:0}
.hero-search{height:60px;border-radius:16px;box-shadow:0 15px 42px rgba(37,54,88,.085);overflow:hidden;margin-top:30px;max-width:790px}
.hero-search .search-leading{width:48px}
.hero-search input{padding:0 4px;font-size:14px}
.hero-search .search-submit{height:100%;padding:0 22px;background:var(--brand);color:#fff;font-weight:720;gap:7px}
.hero-search .search-submit:hover{background:var(--brand-strong)}
.hero-actions{display:flex;gap:10px;margin-top:18px}
.registry-panel{background:rgba(255,255,255,.84);border:1px solid #e1e7f0;border-radius:26px;padding:17px;box-shadow:0 26px 70px rgba(31,46,79,.09);backdrop-filter:blur(10px)}
.registry-head{display:flex;justify-content:space-between;align-items:center;padding:5px 5px 15px}
.registry-head>div{display:flex;flex-direction:column;gap:4px}
.registry-head>div span{font-size:9px;letter-spacing:.12em;color:#9aa4b3;font-weight:800}
.registry-head b{font-size:14px}
.status-dot{display:inline-flex;align-items:center;gap:6px;font-size:10px!important;color:#4f6b5f!important}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:#38b27b;box-shadow:0 0 0 4px #e7f7ef}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{background:#fff;border:1px solid #e8ecf2;border-radius:16px;padding:18px 17px;min-height:112px}
.metric strong{font-size:29px;line-height:1.1;display:block;letter-spacing:-.038em}
.metric span{display:block;margin-top:8px;color:var(--muted);font-size:11.5px}

/* support strip */
.support-strip{background:#fff;border-bottom:1px solid var(--line)}
.support-card{min-height:116px;display:grid;grid-template-columns:minmax(0,1.5fr) 1px minmax(0,1fr) auto;align-items:center;gap:28px;padding:23px 0}
.support-project{display:grid;grid-template-columns:42px minmax(0,1fr);gap:15px;align-items:center}
.support-mark{width:42px;height:42px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center}
.support-mark .i svg{width:20px;height:20px}
.support-project>div{display:flex;flex-direction:column;gap:4px}
.support-label{font-size:9.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#8b95a5}
.support-project b{font-size:13px;line-height:1.55;color:#27364e}
.support-project small{font-size:10.5px;color:#8a94a5}
.support-divider{width:1px;height:54px;background:#e7ebf1}
.support-builders{display:flex;flex-direction:column;gap:7px}
.builder-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:#3e495a;font-weight:650}
.builder-list i{width:3px;height:3px;border-radius:50%;background:#b4bdca}
.support-more{display:inline-flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--brand);font-size:11.5px;font-weight:680;cursor:pointer;padding:8px 0}
.support-more .i svg{width:14px;height:14px}

/* categories */
.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.category-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;cursor:pointer;transition:.2s ease;min-height:158px}
.category-card::after{content:"";position:absolute;right:-34px;bottom:-54px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(49,86,211,.07),transparent 70%);opacity:0;transition:.2s}
.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#ccd6e8}
.category-card:hover::after{opacity:1}
.category-no{display:block;font-size:9.5px;color:#a2abb9;font-weight:800;letter-spacing:.1em;margin-bottom:15px}
.category-card b{display:block;font-size:15px;letter-spacing:-.01em}
.category-card>span:not(.category-no){display:block;font-size:11.8px;color:var(--muted);line-height:1.65;margin-top:8px;min-height:40px}
.category-card strong{display:block;margin-top:13px;font-size:24px;color:var(--brand);letter-spacing:-.03em}
.category-card strong::after{content:" Skills";font-size:9.5px;color:#98a2b3;font-weight:500;letter-spacing:0}

/* skill cards */
.skill-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.skill-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:19px;cursor:pointer;transition:.2s ease;min-height:222px;display:flex;flex-direction:column;overflow:hidden}
.skill-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#cad4e6}
.skill-top{display:flex;justify-content:flex-start;gap:7px;flex-wrap:wrap}
.skill-card h3{font-size:17px;line-height:1.45;letter-spacing:-.014em;margin:14px 0 8px;padding-right:22px}
.skill-card p{color:var(--muted);font-size:12.3px;line-height:1.72;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.skill-meta{display:flex;gap:7px 12px;flex-wrap:wrap;margin-top:auto;padding-top:18px;padding-right:32px;color:#858f9f;font-size:10.3px}
.skill-meta span+span::before{content:"·";margin-right:10px;color:#c3cad4}
.card-arrow{position:absolute;right:16px;bottom:16px;width:31px;height:31px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#adb6c4;background:#f7f9fc;transition:.18s}
.card-arrow .i svg{width:14px;height:14px}
.skill-card:hover .card-arrow{color:#fff;background:var(--brand);transform:translate(2px,-2px)}

/* collections */
.collection-grid,.source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.collection,.source-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;transition:.2s ease}
.collection:hover,.source-card:hover{border-color:#ccd5e5;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.collection-icon{width:38px;height:38px;border-radius:12px;background:#f4f7ff;color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.collection h3,.source-card h3{font-size:17px;margin:12px 0 10px;letter-spacing:-.014em}
.collection p,.source-card p{color:var(--muted);line-height:1.7;font-size:12.3px;min-height:44px}
.collection .btn{margin-top:10px}

/* institution panel */
.institution-section{padding:0 0 62px}
.institution-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(450px,.9fr);gap:34px;align-items:center;background:linear-gradient(135deg,#17213a,#263b75);border-radius:26px;padding:32px 34px;color:#fff;box-shadow:0 24px 64px rgba(21,34,67,.12)}
.institution-copy .section-kicker{color:#aabbea}
.institution-copy h2{font-size:27px;letter-spacing:-.028em;margin:0 0 10px}
.institution-copy p{margin:0;max-width:660px;color:#d7def0;line-height:1.75;font-size:12.8px}
.institution-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.institution-card{min-height:118px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.075);border-radius:17px;padding:17px;display:flex;flex-direction:column;gap:8px}
.institution-card span{font-size:9px;letter-spacing:.1em;color:#aebce0;font-weight:800}
.institution-card b{font-size:13px;line-height:1.55}
.institution-card small{color:#aeb9d5;font-size:10px;margin-top:auto}

/* page heads / explore */
.page-head{padding:48px 0 30px;background:
  radial-gradient(circle at 88% 0%,rgba(70,103,220,.07),transparent 27%),
  #fff;border-bottom:1px solid var(--line)}
.page-head-inner{position:relative}
.page-head h1{font-size:37px;line-height:1.15;letter-spacing:-.038em;margin:13px 0 11px}
.page-head p{margin:0;color:var(--muted);line-height:1.7}
.page-head-stat{position:absolute;right:32px;top:0;display:flex;flex-direction:column;align-items:flex-end}
.page-head-stat strong{font-size:27px;letter-spacing:-.04em;color:#26385f}
.page-head-stat span{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:#9aa4b3;font-weight:800;margin-top:4px}
.tabs{display:flex;gap:6px;margin-top:25px}
.tabs button{border:1px solid transparent;background:transparent;padding:9px 13px;border-radius:10px;cursor:pointer;color:#5d6675;font-size:12.5px;transition:.16s}
.tabs button:hover{background:#f7f9fc}
.tabs button.active{background:var(--brand-soft);color:var(--brand);font-weight:700;border-color:#e2e9fb}

.explore-layout{display:grid;grid-template-columns:252px minmax(0,1fr);gap:26px;align-items:start}
.filter{background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;position:sticky;top:94px;box-shadow:0 6px 20px rgba(31,46,79,.025)}
.filter-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 1px 12px;border-bottom:1px solid #eef1f5;margin-bottom:14px}
.filter-heading>div{display:flex;flex-direction:column;gap:3px}
.filter-heading span{font-size:8.5px;letter-spacing:.12em;color:#a0a9b7;font-weight:800}
.filter-heading b{font-size:13px}
.filter-heading>button{border:0;background:transparent;color:var(--brand);font-size:10.5px;cursor:pointer}
.filter>label,.filter-group>label{font-size:10.5px;color:#8a94a5;font-weight:700;letter-spacing:.035em;display:block;margin:9px 0 7px}
.filter-search{height:40px;border-radius:10px;background:#f8fafc}
.filter-search>span{width:34px;color:#97a1b1;display:flex;align-items:center;justify-content:center}
.filter-search .i svg{width:14px;height:14px}
.filter-search input{font-size:11.5px}
.filter-search button{width:32px;height:32px;border:0;background:transparent;color:#9ba5b4;cursor:pointer}
.filter-search button .i svg{width:13px;height:13px}
.select-wrap{position:relative}
.filter select,.toolbar select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8b95a5 50%),linear-gradient(135deg,#8b95a5 50%,transparent 50%);background-position:calc(100% - 14px) 50%,calc(100% - 10px) 50%;background-size:4px 4px,4px 4px;background-repeat:no-repeat}
.filter select{width:100%;height:40px;border:1px solid var(--line);border-radius:10px;padding:0 28px 0 10px;background-color:#fff;outline:0;color:#475467;font-size:11.5px}
.filter select:focus{border-color:#bdc9eb;box-shadow:0 0 0 3px rgba(49,86,211,.055)}
.filter-group{margin-top:18px;padding-top:12px;border-top:1px solid #eef1f5}
.filter-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 9px;border-radius:9px;font-size:11.5px;color:#586273;cursor:pointer;transition:.15s ease}
.filter-link:hover{background:#f7f9fc}
.filter-link b{font-size:9.5px;color:#98a2b3;font-weight:650}
.filter-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.filter-link.active b{color:var(--brand)}
.explore-main{min-width:0}
.explore-main .skill-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px;padding:0 2px}
.toolbar .count{display:flex;align-items:center;gap:7px;flex-wrap:wrap;color:var(--muted)}
.toolbar .count>b{font-size:17px;color:#26354e;letter-spacing:-.02em}
.toolbar .count>span{font-size:11.5px}
.query-chip{display:inline-flex;align-items:center;gap:5px;border:1px solid #dce4f6;background:#f3f6ff;color:var(--brand);border-radius:999px;padding:5px 8px;font-size:10.5px;cursor:pointer}
.query-chip .i svg{width:11px;height:11px}
.toolbar-sort{display:flex;align-items:center;gap:8px}
.toolbar-sort>span{font-size:10.5px;color:#929cab}
.toolbar select{height:37px;border:1px solid var(--line);border-radius:10px;background-color:#fff;padding:0 30px 0 10px;color:#586273;font-size:11.5px;outline:0}
.pagination{display:flex;gap:7px;justify-content:center;align-items:center;margin-top:32px;flex-wrap:wrap}
.pagination button{border:1px solid var(--line);background:white;border-radius:9px;padding:8px 11px;cursor:pointer;font-size:11.5px;transition:.15s}
.pagination button:hover:not(:disabled){border-color:#c4cee0;background:#fbfcfe}
.pagination button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination button:disabled{opacity:.38;cursor:not-allowed}
.page-gap,.page-total{display:inline-flex;align-items:center;padding:0 5px;color:var(--muted);font-size:10.5px}
.empty-state{grid-column:1/-1;min-height:320px;border:1px dashed #d8e0eb;border-radius:18px;background:#fbfcfe;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:40px;color:#7b8697}
.empty-state>.i{width:44px;height:44px;border-radius:14px;background:#f0f4ff;color:var(--brand);margin-bottom:13px}
.empty-state h3{margin:0;color:#344054;font-size:16px}
.empty-state p{font-size:11.5px;margin:8px 0 16px}

/* Detail page */
.detail{padding:28px 0 60px}
.breadcrumb{display:flex;align-items:center;gap:8px;color:#8a94a5;font-size:11.5px;margin:2px 0 18px}
.breadcrumb a{color:#667085}.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-style:normal;color:#c3cad4}
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;align-items:start}
.detail-main{min-width:0}
.detail-hero-card{position:relative;overflow:hidden;background:
  radial-gradient(circle at 100% 0%,rgba(69,102,214,.12),transparent 33%),
  linear-gradient(135deg,#fff 0%,#f8faff 78%,#f3f6ff 100%);border:1px solid #e1e7f0;border-radius:24px;padding:32px 34px 30px;box-shadow:0 12px 38px rgba(32,48,81,.05)}
.detail-hero-card h1{position:relative;z-index:1;font-size:36px;line-height:1.2;letter-spacing:-.04em;margin:0 0 14px;max-width:760px}
.detail-kicker{position:relative;z-index:1;display:flex;gap:7px;flex-wrap:wrap;margin-bottom:16px}
.detail-lead{position:relative;z-index:1;font-size:14.5px;line-height:1.88;color:#556071;margin:0;max-width:790px}
.detail-quickmeta{position:relative;z-index:1;display:flex;gap:22px;flex-wrap:wrap;margin-top:24px;padding-top:18px;border-top:1px solid #e8ecf3}
.quickmeta-item{display:flex;flex-direction:column;gap:4px;min-width:120px}
.quickmeta-item span{font-size:9.5px;color:#98a2b3;letter-spacing:.04em}.quickmeta-item b{font-size:11.5px;color:#344054}
.detail-body{display:flex;flex-direction:column;gap:18px;margin-top:20px}
.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.content-block{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px 24px;box-shadow:0 5px 18px rgba(31,46,79,.018)}
.content-block h2{display:flex;align-items:center;gap:9px;font-size:17px;letter-spacing:-.015em;margin:0 0 16px}
.section-index{display:inline-flex;align-items:center;justify-content:center;width:25px;height:25px;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-size:9.5px;font-weight:800}
.clean-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.clean-list li{position:relative;padding-left:18px;color:#4e5969;font-size:12.5px;line-height:1.72}
.clean-list li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;background:#8fa5eb;box-shadow:0 0 0 3px #eef3ff}
.workflow{display:flex;flex-direction:column;gap:0;margin-top:4px}
.workflow-step{display:grid;grid-template-columns:34px 1fr;gap:13px;position:relative;padding-bottom:18px}
.workflow-step:last-child{padding-bottom:0}
.workflow-step::before{content:"";position:absolute;left:16px;top:30px;bottom:0;width:1px;background:#dfe5ef}
.workflow-step:last-child::before{display:none}
.workflow-num{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:#f2f5ff;border:1px solid #dfe6fb;color:var(--brand);font-weight:800;font-size:10.5px}
.workflow-text{padding-top:5px;color:#465163;font-size:12.6px;line-height:1.78}
.boundary-box{display:grid;grid-template-columns:42px 1fr;gap:14px;background:#f8fafc;border:1px solid #e5eaf1;border-radius:17px;padding:20px 22px}
.boundary-icon{width:42px;height:42px;border-radius:13px;background:#edf2ff;color:var(--brand);display:flex;align-items:center;justify-content:center}
.boundary-box h2{font-size:16px;margin:1px 0 7px;letter-spacing:-.01em}
.boundary-box p{font-size:12px;color:#5f6979;line-height:1.82;margin:0}
.boundary-box button{display:inline-flex;align-items:center;gap:5px;border:0;background:transparent;color:var(--brand);font-size:10.8px;font-weight:680;cursor:pointer;padding:10px 0 0}
.boundary-box button .i svg{width:12px;height:12px}
.detail-project-strip{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:14px;border-top:1px solid #e5eaf1;border-bottom:1px solid #e5eaf1;padding:17px 2px}
.detail-project-icon{width:38px;height:38px;border-radius:12px;background:#fff;border:1px solid var(--line);color:#617298;display:flex;align-items:center;justify-content:center}
.detail-project-copy{display:flex;flex-direction:column;gap:3px}
.detail-project-copy span{font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:#9aa4b3;font-weight:800}
.detail-project-copy b{font-size:11.5px;color:#39465a}
.detail-project-copy p{margin:0;font-size:10.5px;color:#7d8797}
.detail-project-strip>button{border:0;background:transparent;color:var(--brand);font-size:10.8px;font-weight:680;cursor:pointer}
.detail-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:94px}
.detail-side .panel{border-radius:18px;box-shadow:0 8px 28px rgba(31,46,79,.035)}
.download-panel{padding:22px}
.side-eyebrow{font-size:9px;color:#98a2b3;font-weight:800;letter-spacing:.12em}
.download-panel h3{font-size:20px;margin:7px 0 8px;letter-spacing:-.022em}
.download-panel>p{font-size:11.5px;color:var(--muted);line-height:1.68;margin:0 0 17px}
.download-btn{display:flex;width:100%;min-height:48px;text-align:center}
.download-note{font-size:10px;color:#98a2b3;text-align:center;margin:10px 0 0}
.meta-panel{padding:9px 20px 16px!important}
.meta-title{font-size:9px;color:#98a2b3;font-weight:800;letter-spacing:.11em;padding:11px 0 8px}
.kv{display:grid;grid-template-columns:78px minmax(0,1fr);gap:8px;font-size:11.5px;padding:11px 0;border-bottom:1px solid #edf0f4;align-items:start}
.kv span{color:#8993a3}.kv b{color:#344054;line-height:1.55;word-break:break-word}
.source-url{display:inline-flex;align-items:center;gap:5px;color:var(--brand);font-size:10.8px;margin-top:13px;font-weight:680;word-break:break-all}
.source-url .i svg{width:13px;height:13px}

/* ecosystem */
.eco-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.ecosystem-support{margin-top:30px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) auto;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 28px rgba(31,46,79,.025)}
.ecosystem-support h2{font-size:18px;margin:0 0 6px;letter-spacing:-.018em}
.ecosystem-support p{margin:0;color:#6f798a;font-size:11.5px}
.ecosystem-builders{display:flex;flex-direction:column;gap:8px}
.ecosystem-builders>span{display:flex;align-items:center;gap:8px;color:#4c5869;font-size:11.5px}
.ecosystem-builders .i{color:#7c8dac}
.ecosystem-builders .i svg{width:15px;height:15px}
.source-heading{margin-top:42px}
.source-card{min-height:146px}
.source-card-top{display:flex;justify-content:space-between;align-items:start;gap:12px}
.source-card .source-count{font-size:21px;font-weight:760;letter-spacing:-.03em;color:#23324c}
.source-card .source-count span{font-size:9px;font-weight:500;color:#98a2b3;margin-left:4px;letter-spacing:0}

/* dialogs */
.dialog-backdrop{position:fixed;inset:0;z-index:1000;background:rgba(12,18,31,.42);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .16s ease}
.dialog-card{position:relative;width:min(620px,100%);max-height:min(760px,calc(100vh - 48px));overflow:auto;background:#fff;border:1px solid rgba(255,255,255,.7);border-radius:24px;padding:30px;box-shadow:0 34px 100px rgba(16,24,40,.24);animation:dialogIn .2s ease}
.dialog-close{position:absolute;right:18px;top:18px;width:36px;height:36px;border:1px solid #e6eaf0;border-radius:11px;background:#fff;color:#8a94a5;display:flex;align-items:center;justify-content:center;cursor:pointer}
.dialog-close:hover{background:#f7f9fc;color:#344054}
.dialog-eyebrow{display:block;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#8792a4;font-weight:800;margin-bottom:9px}
.dialog-card h2{font-size:27px;letter-spacing:-.03em;margin:0 48px 10px 0}
.dialog-lead{font-size:12.5px;line-height:1.8;color:#697386;margin:0 0 20px}
.dialog-project{display:flex;flex-direction:column;gap:6px;background:linear-gradient(135deg,#f8faff,#f2f5ff);border:1px solid #e1e7f4;border-radius:16px;padding:18px}
.dialog-project span,.dialog-builders>span{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#8b95a5;font-weight:800}
.dialog-project b{font-size:13px;line-height:1.6;color:#2d3e60}
.dialog-project small{font-size:10.5px;color:#7e8999}
.dialog-builders{display:flex;flex-direction:column;gap:8px;margin-top:12px;border:1px solid var(--line);border-radius:16px;padding:18px}
.dialog-builders b{font-size:12px;color:#3f4a5a}
.dialog-note{display:flex;gap:12px;align-items:flex-start;background:#f7f9fc;border:1px solid #e4e9f1;border-radius:16px;padding:18px;color:#596476;font-size:12px;line-height:1.75}
.dialog-note>.i{color:var(--brand);margin-top:2px;flex:0 0 auto}
.dialog-actions{display:flex;justify-content:flex-end;margin-top:20px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes dialogIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}

/* footer */
.footer{border-top:1px solid var(--line);background:#fff;margin-top:28px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) minmax(0,.9fr);gap:48px;padding-top:38px;padding-bottom:34px}
.footer-title{display:flex;align-items:center;gap:10px}
.footer-title img{width:28px;height:28px}
.footer-title b{font-size:13px;color:#344054}
.footer-brand p,.footer-col p{font-size:10.8px;color:#8490a1;line-height:1.75;margin:10px 0 0}
.footer-brand p{max-width:440px}
.footer-link-btn{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:var(--brand);font-size:10.5px;font-weight:680;cursor:pointer;padding:11px 0 0}
.footer-link-btn .i svg{width:13px;height:13px}
.footer-label{display:block;font-size:8.8px;letter-spacing:.12em;text-transform:uppercase;color:#a0a9b7;font-weight:800;margin-bottom:10px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start}
.footer-col b{font-size:11.5px;color:#4b5666;line-height:1.7}
.footer-col small{font-size:10px;color:#9aa4b3;margin-top:7px}
.footer-bottom{min-height:54px;border-top:1px solid #edf0f4;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#9aa4b3;font-size:9.8px}

/* states */
.boot{min-height:66vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:40px}
.boot-mark{width:24px;height:24px;border-radius:50%;border:2px solid #dfe6f5;border-top-color:var(--brand);animation:spin .8s linear infinite;margin-bottom:4px}
@keyframes spin{to{transform:rotate(360deg)}}
.boot b{font-size:14px;color:#344054}.boot>span:last-child{font-size:11px;color:var(--muted)}
.empty{text-align:center;padding:70px 0;color:var(--muted)}
.empty h1{font-size:30px;color:#344054;margin:0 0 8px}
.empty p{font-size:12px;margin:0 0 18px}
.load-error{padding:70px 28px;min-height:62vh}.load-error .panel{max-width:720px;margin:auto}.load-error h1{font-size:32px}.load-error p{line-height:1.8;color:var(--muted)}

@media(max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px}.registry-panel{max-width:760px}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .detail-grid{grid-template-columns:minmax(0,1fr) 300px;gap:22px}
  .institution-panel{grid-template-columns:1fr}.institution-cards{max-width:720px}
  .support-card{grid-template-columns:minmax(0,1fr) auto}.support-divider,.support-builders{display:none}
  .ecosystem-support{grid-template-columns:1fr auto}.ecosystem-builders{grid-column:1/-1;grid-row:2;flex-direction:row;flex-wrap:wrap}
}
@media(max-width:900px){
  .shell{padding:0 22px}.navlinks,.nav-search{display:none}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .skill-grid,.collection-grid,.source-grid,.explore-main .skill-grid{grid-template-columns:1fr}
  .explore-layout,.detail-grid{grid-template-columns:1fr}.filter,.detail-side{position:static}
  .capability-grid{grid-template-columns:1fr}.eco-metrics{grid-template-columns:1fr 1fr}
  .hero{padding-top:60px}.hero h1{font-size:42px}
  .page-head-stat{right:22px}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
  .institution-panel{padding:28px}
}
@media(max-width:620px){
  .shell{padding:0 17px}.nav{height:64px}.brand span{font-size:12.5px}.brand img{width:28px;height:28px}
  .hero{padding:48px 0 42px}.hero h1{font-size:34px}.hero p{font-size:14px}.hero-search{height:54px}.hero-search .search-leading{width:42px}.hero-search .search-submit{padding:0 14px}.hero-search .search-submit .i{display:none}
  .metrics,.category-grid,.eco-metrics,.institution-cards{grid-template-columns:1fr}.section{padding:44px 0}.section-head{align-items:flex-start}
  .support-card{grid-template-columns:1fr;gap:14px;padding:18px 0}.support-more{justify-self:start}.support-project{grid-template-columns:38px 1fr}.support-mark{width:38px;height:38px}.support-project b{font-size:11.5px}
  .page-head{padding:38px 0 25px}.page-head h1{font-size:31px}.tabs{overflow:auto;padding-bottom:2px}.page-head-stat{display:none}
  .detail{padding-top:20px}.detail-hero-card{padding:25px 21px}.detail-hero-card h1{font-size:29px}.detail-quickmeta{gap:15px}
  .content-block{padding:20px}.breadcrumb{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .boundary-box{grid-template-columns:1fr}.detail-project-strip{grid-template-columns:38px minmax(0,1fr)}.detail-project-strip>button{grid-column:2;justify-self:start;padding:0}
  .institution-panel{padding:24px 20px}.institution-copy h2{font-size:23px}
  .ecosystem-support{grid-template-columns:1fr}.ecosystem-builders{grid-column:auto;grid-row:auto;flex-direction:column}.ecosystem-support .btn{justify-self:start}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:30px}.footer-brand{grid-column:auto}.footer-bottom{align-items:flex-start;justify-content:center;flex-direction:column;padding:14px 17px}
  .dialog-backdrop{padding:14px}.dialog-card{padding:24px 20px;border-radius:20px}.dialog-card h2{font-size:24px}
}


/* ===== v4.4 visible redesign / anti-stale build ===== */
:root{
  --bg:#f6f8fb;
  --ink:#101828;
  --ink2:#344054;
  --brand:#2f5bea;
  --brand-strong:#2149ce;
  --brand-soft:#edf2ff;
  --line:#e4e9f1;
  --shadow:0 18px 60px rgba(24,39,75,.07);
  --shadow-sm:0 12px 36px rgba(24,39,75,.065);
}
body{background:#f7f9fc}
.topbar{background:rgba(255,255,255,.94);border-bottom:0;box-shadow:0 1px 0 rgba(16,24,40,.06)}
.nav{height:68px;gap:18px}
.brand img{width:32px;height:32px;filter:drop-shadow(0 5px 10px rgba(47,91,234,.12))}
.brand-project-tag{display:inline-flex;align-items:center;height:27px;padding:0 10px;border-radius:999px;background:#f2f5ff;border:1px solid #dfe7ff;color:#5870bc;font-size:10px;font-weight:750;white-space:nowrap}
.navlinks{margin-left:10px}
.navlinks a{padding:9px 14px;border-radius:999px}
.navlinks a.active{background:#edf2ff;box-shadow:inset 0 0 0 1px #e0e7ff}
.nav-search{width:330px;height:42px;border-radius:999px;background:#f7f9fc;border:1px solid #e2e8f0;box-shadow:inset 0 1px 2px rgba(16,24,40,.02)}
.nav-search:focus-within{box-shadow:0 0 0 4px rgba(47,91,234,.08),0 8px 24px rgba(24,39,75,.06)}
.nav-search .search-submit.compact{width:34px;height:34px;margin-right:3px;border-radius:50%;background:#2f5bea;color:#fff}
.nav-search .search-submit.compact:hover{background:#2149ce;color:#fff}
.search-shortcut{border:0;background:#eef1f6;color:#8c96a7;padding:4px 7px}
.project-ribbon{position:relative;z-index:40;background:linear-gradient(90deg,#172346 0%,#223d78 54%,#254d9b 100%);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.project-ribbon-inner{min-height:43px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.project-ribbon-main,.project-ribbon-builders{display:flex;align-items:center;gap:9px;min-width:0}
.project-ribbon-main{font-size:11px;color:#dfe6f7;white-space:nowrap;overflow:hidden}
.project-ribbon-main b{color:#fff;font-size:11.5px}.project-ribbon-main span:not(.project-ribbon-dot){overflow:hidden;text-overflow:ellipsis}
.project-ribbon-main strong{font-size:10px;padding:4px 8px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#fff}
.project-ribbon-dot{width:7px;height:7px;border-radius:50%;background:#7ea3ff;box-shadow:0 0 0 4px rgba(126,163,255,.14);flex:0 0 auto}
.project-ribbon-builders{font-size:10.5px;color:#cbd7ef;white-space:nowrap}.project-ribbon-builders i{width:3px;height:3px;border-radius:50%;background:#7790c0}
.hero{padding:78px 0 62px;background:radial-gradient(circle at 80% 18%,rgba(47,91,234,.12),transparent 28%),radial-gradient(circle at 6% 0%,rgba(121,143,221,.08),transparent 24%),linear-gradient(180deg,#fff 0%,#f4f7fd 100%)}
.hero::before{background-image:linear-gradient(rgba(47,91,234,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(47,91,234,.035) 1px,transparent 1px);background-size:48px 48px;opacity:.7}
.hero-grid{grid-template-columns:minmax(0,1.18fr) minmax(390px,.72fr);gap:72px}
.hero-overline{gap:9px;margin-bottom:13px}
.hero-project-badge{display:inline-flex;align-items:center;gap:7px;min-height:31px;padding:6px 11px;border-radius:999px;background:#172346;color:#fff;font-size:10.5px;font-weight:720;box-shadow:0 8px 20px rgba(23,35,70,.14)}
.hero-project-badge .i svg{width:13px;height:13px}
.project-chip{min-height:31px;padding:6px 11px;background:#fff;border-color:#dfe5f1;color:#687386;box-shadow:0 4px 14px rgba(24,39,75,.03)}
.hero-registry-label{margin-top:2px;color:#6f82bd}
.hero h1{font-size:52px;line-height:1.07;margin:16px 0 18px;max-width:820px}
.hero h1 span{color:#2d4fae}
.hero p{max-width:760px;color:#626d7e}
.hero-search{height:64px;border-radius:18px;border:1px solid #dce4f1;box-shadow:0 18px 48px rgba(31,52,98,.1);background:rgba(255,255,255,.96)}
.hero-search .search-submit{min-width:140px;border-radius:13px;margin:5px;height:54px;padding:0 21px}
.hero-actions{margin-top:20px}.hero-actions .btn{border-radius:12px}
.registry-panel{padding:18px;border-radius:28px;background:rgba(255,255,255,.88);box-shadow:0 30px 80px rgba(26,45,85,.11);border:1px solid rgba(220,228,241,.95)}
.registry-head{padding:7px 6px 17px}.registry-head b{font-size:15px}.metrics{gap:11px}.metric{min-height:118px;border-radius:18px;padding:20px;background:linear-gradient(180deg,#fff,#fbfcff)}.metric strong{font-size:31px}
.support-strip{background:transparent;border:0;padding:18px 0 0}
.support-card{min-height:126px;background:#fff;border:1px solid #e1e7f0;border-radius:22px;padding:22px 24px;box-shadow:0 14px 44px rgba(24,39,75,.05);grid-template-columns:minmax(0,1.6fr) 1px minmax(0,1fr) auto}
.support-project b{font-size:12px;color:#2e3c54}.support-project p{margin:0;font-size:12px;line-height:1.5;color:#4a5669}.support-mark{width:46px;height:46px;border-radius:15px}
.section{padding:64px 0}.section-head{margin-bottom:26px}.section-head h2{font-size:30px}
.category-grid{gap:16px}.category-card{min-height:172px;border-radius:20px;padding:22px;box-shadow:0 4px 18px rgba(24,39,75,.025)}
.category-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#2f5bea,#8aa5ff);opacity:0;transition:.2s}.category-card:hover::before{opacity:1}
.skill-card{border-radius:20px;padding:21px;box-shadow:0 4px 18px rgba(24,39,75,.02)}
.skill-card:hover{transform:translateY(-4px);box-shadow:0 18px 45px rgba(24,39,75,.08)}
.institution-section{padding:8px 0 70px}.institution-panel{border-radius:28px;padding:36px;background:radial-gradient(circle at 90% 10%,rgba(112,145,255,.22),transparent 28%),linear-gradient(135deg,#15213f 0%,#213b76 60%,#2b57a9 100%)}
.footer{background:#111a2c!important;color:#d9e1ef;border-top:0!important}.footer p,.footer small,.footer-bottom{color:#9faec5!important}.footer-label{color:#7f95bd!important}.footer-col b,.footer-title b{color:#fff}.footer-link-btn{color:#b9c8e7!important}.footer-bottom{border-top-color:rgba(255,255,255,.09)!important}
.dialog-backdrop{background:rgba(12,19,33,.58);backdrop-filter:blur(12px)}
.dialog-card{border-radius:28px;border:1px solid rgba(255,255,255,.86);box-shadow:0 42px 120px rgba(10,20,42,.32);padding:34px;background:linear-gradient(180deg,#fff,#fbfcff)}
.dialog-close{border-radius:50%!important;background:#f1f4f8!important}
@media(max-width:980px){.brand-project-tag{display:none}.project-ribbon-builders{display:none}.project-ribbon-main{width:100%}.hero-grid{gap:36px}.support-card{grid-template-columns:1fr}.support-divider{display:none}}
@media(max-width:720px){.project-ribbon{display:none}.hero{padding-top:56px}.hero h1{font-size:39px}.hero-search .search-submit{min-width:auto}.support-card{border-radius:18px}.brand-project-tag{display:none}}