:root{
  --bg:#f6f7fb; --card:#ffffff; --ink:#10122a; --muted:#6b7280; --line:#e7e9f2;
  --primary:#5b54f0; --primary-d:#453cd9; --primary-soft:#eeeaff;
  --accent:#ff7a2f; --accent-soft:#fff1e8;
  --green:#15a34a; --green-soft:#e7f8ee; --amber:#c9770a; --amber-soft:#fdf2e0;
  --gray:#9aa1b2; --gray-soft:#f0f1f6; --red:#dc2626; --red-soft:#fdeaea;
  --radius:14px; --radius-sm:10px; --shadow:0 1px 2px rgba(16,18,42,.04),0 8px 24px rgba(16,18,42,.06);
  --maxw:1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
.muted{color:var(--muted);font-size:.9rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.main{min-height:60vh}

/* Nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:18px;height:62px}
.brand{font-weight:800;letter-spacing:.5px;font-size:1.15rem;display:flex;align-items:baseline;gap:8px;color:var(--primary)}
.brand-cn{font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:0}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-link{padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:600;font-size:.92rem}
.nav-link:hover{background:var(--gray-soft);color:var(--ink)}
.nav-link.active{color:var(--primary);background:var(--primary-soft)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 18px;border-radius:11px;font-weight:700;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn-sm{padding:8px 14px;font-size:.85rem}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{filter:brightness(.95)}
.btn-block{display:flex;width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* Hero */
.hero{padding:64px 0 40px;text-align:center;background:radial-gradient(1200px 400px at 50% -10%,var(--primary-soft),transparent)}
.hero-title{font-size:clamp(1.9rem,4.5vw,3rem);letter-spacing:-.5px}
.hero-sub{font-size:1.1rem;color:var(--muted);margin-top:14px;max-width:640px;margin-left:auto;margin-right:auto}
.hero-cta{margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Search */
.search-wrap{max-width:680px;margin:30px auto 0}
.search-box{display:flex;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
.search-box input{flex:1;border:0;outline:0;font-size:1.02rem;padding:10px 12px;background:transparent;color:var(--ink)}
.search-box input::placeholder{color:var(--gray)}
.search-examples{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:.84rem;color:var(--muted);cursor:pointer}
.chip:hover{border-color:var(--primary);color:var(--primary)}

.search-results{margin-top:26px;text-align:left}
.result-group{margin-bottom:26px}
.result-group h3{font-size:1.05rem;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.result-group h3 .pill{font-size:.7rem;background:var(--primary-soft);color:var(--primary);padding:2px 8px;border-radius:999px;font-weight:700}
.no-result{background:var(--accent-soft);border:1px solid #ffd9c2;border-radius:14px;padding:20px;text-align:center}
.no-result h3{color:var(--accent)}

/* Sections */
.section{padding:46px 0}
.section-head{margin-bottom:22px}
.section-head h2{font-size:1.55rem;letter-spacing:-.3px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.15s;display:flex;flex-direction:column;gap:10px}
a.card:hover{transform:translateY(-2px);border-color:var(--primary)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card-title{font-size:1.1rem}
.card-role{font-size:.8rem;color:var(--muted);margin-top:2px}
.card-desc{font-size:.9rem;color:#374151;flex:1}
.card-reason{font-size:.8rem;color:var(--primary);background:var(--primary-soft);padding:4px 10px;border-radius:8px;display:inline-block}
.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;margin-top:4px}
.card-cta{color:var(--primary);font-weight:700}
.worker-card .card-foot{border-top:1px solid var(--line);padding-top:10px}

/* Tags & badges */
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:.76rem;color:var(--muted);background:var(--gray-soft);padding:3px 9px;border-radius:999px}
.badge{font-size:.76rem;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.v-verified{background:var(--green-soft);color:var(--green)}
.v-testing{background:var(--amber-soft);color:var(--amber)}
.v-community{background:var(--gray-soft);color:var(--gray)}
.v-deprecated{background:var(--red-soft);color:var(--red)}

/* Workflow steps */
.wf-steps{display:flex;flex-direction:column;gap:0;margin-top:4px}
.wf-step{display:flex;align-items:center;gap:10px;font-size:.88rem}
.wf-num{width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.wf-label{color:var(--muted);font-size:.8rem;margin-left:auto;text-align:right;max-width:55%}
.wf-arrow{margin-left:11px;color:var(--gray);font-size:.8rem}

/* Worker detail */
.worker-hero{padding:40px 0 10px}
.worker-hero .top{display:flex;gap:14px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.worker-hero h1{font-size:2rem}
.worker-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;color:var(--muted);font-size:.9rem}
.worker-grid{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
@media(max-width:900px){.worker-grid{grid-template-columns:1fr}}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.block h3{font-size:1.1rem;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.block h3 .ic{color:var(--primary)}
.kv{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:.9rem}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted);min-width:84px;flex-shrink:0}
.list{margin:0;padding-left:20px;font-size:.92rem}
.list li{margin:5px 0}
pre.code{background:#0f122a;color:#e6e8ff;padding:16px;border-radius:12px;overflow:auto;font-size:.82rem;line-height:1.55;white-space:pre-wrap;word-break:break-word;max-height:420px}
.prompt-tabs{display:flex;gap:8px;margin-bottom:10px}
.prompt-tabs button{background:var(--gray-soft);border:0;padding:7px 14px;border-radius:8px;cursor:pointer;font-weight:600;font-size:.85rem;color:var(--muted)}
.prompt-tabs button.active{background:var(--primary);color:#fff}

/* Sticky CTA side */
.side-cta{position:sticky;top:80px;display:flex;flex-direction:column;gap:10px}
.side-cta .price{background:var(--accent-soft);border:1px solid #ffd9c2;border-radius:12px;padding:14px;text-align:center}
.side-cta .price b{font-size:1.4rem;color:var(--accent)}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(16,18,42,.5);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:16px;max-width:560px;width:100%;max-height:88vh;overflow:auto;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal h3{font-size:1.25rem;margin-bottom:6px}
.modal .close{float:right;cursor:pointer;color:var(--muted);font-size:1.4rem;line-height:1;background:none;border:0}
.field{margin:14px 0}
.field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:.92rem;font-family:inherit;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--primary)}
.price-opts{display:flex;gap:8px;flex-wrap:wrap}
.price-opts label{background:var(--gray-soft);border:1px solid var(--line);border-radius:10px;padding:9px 14px;cursor:pointer;font-weight:700}
.price-opts input{display:none}
.price-opts input:checked+span{color:var(--primary)}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-size:.9rem;opacity:0;transition:.25s;z-index:200;pointer-events:none}
.toast.show{opacity:1}

/* Feedback */
.feedback{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.feedback .fb-btn{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer;font-weight:700}
.feedback .fb-btn.yes:hover{border-color:var(--green);color:var(--green)}
.feedback .fb-btn.no:hover{border-color:var(--red);color:var(--red)}
.reason-row{display:none;margin-top:12px}
.reason-row.show{display:block}

/* Requests / wanted */
.wanted-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.wanted-item .count{background:var(--accent-soft);color:var(--accent);font-weight:800;border-radius:999px;padding:4px 12px;font-size:.85rem;white-space:nowrap}

/* Admin */
.admin-wrap{max-width:1180px;margin:0 auto;padding:30px 20px}
.admin-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:26px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.kpi .n{font-size:1.8rem;font-weight:800}
.kpi .l{color:var(--muted);font-size:.82rem;margin-top:2px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:var(--shadow)}
.admin-card h3{font-size:1.1rem;margin-bottom:12px}
table.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
table.tbl th,table.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
table.tbl th{color:var(--muted);font-weight:700;font-size:.8rem}
.tag-flag{display:inline-block;font-size:.72rem;font-weight:800;padding:2px 8px;border-radius:6px;margin:2px 0}
.flag-hot{background:var(--red-soft);color:var(--red)}
.flag-warn{background:var(--amber-soft);color:var(--amber)}
.flag-money{background:var(--green-soft);color:var(--green)}
.tag-pill{background:var(--gray-soft);border-radius:6px;padding:1px 7px;margin:1px;display:inline-block;font-size:.78rem}

/* Learn */
.article-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.article-body{max-width:740px;margin:0 auto;font-size:1.02rem;line-height:1.8}
.article-body h2{font-size:1.35rem;margin:26px 0 10px}
.article-body p{margin:12px 0}
.prose-note{background:var(--primary-soft);border-radius:12px;padding:14px;color:var(--primary-d);font-size:.9rem;margin:16px 0}

/* Footer */
.footer{background:#fff;border-top:1px solid var(--line);margin-top:40px;padding:40px 0 24px}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer-cols{display:flex;gap:40px;flex-wrap:wrap}
.footer-cols h4{font-size:.85rem;color:var(--muted);margin-bottom:8px}
.footer-cols a{display:block;font-size:.9rem;padding:3px 0;color:var(--ink)}
.footer-cols a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;color:var(--muted);font-size:.82rem}

.empty{text-align:center;color:var(--muted);padding:40px}
.center{text-align:center}
.mt{margin-top:18px}.mb{margin-bottom:18px}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}

/* inline text link (e.g. install tutorial) */
.link{ color:var(--primary); font-weight:600; text-decoration:none; border-bottom:1px solid transparent; }
.link:hover{ border-bottom-color:var(--primary); }