:root{--bg:#f7f7fb;--panel:#fff;--soft:#f1f2f7;--text:#202330;--muted:#777d8f;--line:#e5e7ef;--accent:#ff6f91;--accent-soft:rgba(255,111,145,.12);--danger:#db3c55;--shadow:0 16px 50px rgba(26,29,43,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}body.dark{--bg:#101117;--panel:#191b23;--soft:#222530;--text:#f5f6f9;--muted:#9ca2b2;--line:#2c303c;--shadow:0 18px 55px rgba(0,0,0,.28)}button,input,textarea,select{font:inherit}button{color:inherit}.hidden{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:242px;background:var(--panel);border-right:1px solid var(--line);padding:20px 15px;z-index:50;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;border:0;background:transparent;text-align:left;cursor:pointer;padding:3px 5px 22px}.brand span:last-child{display:block}.brand small{display:block;color:var(--muted);margin-top:3px}.logo{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#ff648b,#ff9db5);color:#fff;font-weight:900;font-size:20px}.sidebar nav{display:grid;gap:5px;overflow:auto}.sidebar nav button,.ghost,.icon-button,.back{border:0;background:transparent;cursor:pointer}.sidebar nav button{padding:11px 12px;border-radius:12px;text-align:left}.sidebar nav button:hover,.sidebar nav button.active{background:var(--accent-soft);color:var(--accent)}.sidebar-foot{margin-top:auto;display:grid;gap:5px}.sidebar-foot .ghost{text-align:left;padding:10px}.ghost{padding:10px 13px;border-radius:11px}.ghost:hover{background:var(--soft)}main{margin-left:242px;min-height:100vh}.topbar{position:sticky;top:0;z-index:30;display:flex;gap:12px;align-items:center;padding:14px 28px;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.icon-button{display:none;font-size:22px}.search{position:relative;flex:1}.search>span{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted)}.search input{width:100%;padding:14px 45px 14px 42px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);outline:none}.search input:focus,input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}kbd{position:absolute;right:13px;top:50%;transform:translateY(-50%);padding:2px 7px;border:1px solid var(--line);border-radius:6px;color:var(--muted);background:var(--soft)}.hero{margin:28px;padding:36px;border-radius:28px;background:linear-gradient(135deg,#fff0f4,#f2efff);display:flex;justify-content:space-between;align-items:end;gap:28px;box-shadow:var(--shadow)}.dark .hero{background:linear-gradient(135deg,#2c2027,#242035)}.hero h1{font-size:clamp(30px,4vw,50px);line-height:1.08;margin:9px 0 13px;max-width:760px}.hero p{color:var(--muted);max-width:760px;line-height:1.7}.eyebrow{font-size:12px;font-weight:900;letter-spacing:.13em;color:var(--accent)}.stats{display:flex;gap:9px;flex-wrap:wrap}.stats span{padding:11px 13px;border-radius:13px;background:rgba(255,255,255,.65);white-space:nowrap}.dark .stats span{background:rgba(255,255,255,.06)}.content{padding:0 28px 55px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:30px 0 14px}.section-head h2{margin:0;font-size:21px}.section-head p{margin:5px 0 0;color:var(--muted);font-size:13px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:14px}.tool-grid.compact{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.tool-card{position:relative;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--panel);cursor:pointer;transition:.18s}.tool-card:hover{transform:translateY(-2px);border-color:rgba(255,111,145,.5);box-shadow:var(--shadow)}.tool-card .tool-icon{font-size:27px}.tool-card h3{margin:14px 0 7px;font-size:16px}.tool-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.star{position:absolute;top:11px;right:11px;border:0;background:transparent;color:var(--muted);font-size:20px;cursor:pointer}.star.on{color:#ffb000}.category{margin-top:28px}.category-title{display:flex;align-items:center;gap:8px;margin-bottom:12px}.category-title h3{margin:0;font-size:17px}.category-title span{font-size:12px;color:var(--muted)}.empty{padding:18px;border:1px dashed var(--line);border-radius:15px;color:var(--muted);background:var(--panel)}.workspace-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:15px}.workspace-card{padding:18px;border:1px solid var(--line);border-radius:19px;background:var(--panel)}.workspace-top{display:flex;justify-content:space-between;align-items:center}.workspace-name{display:flex;align-items:center;gap:9px}.workspace-name h3{margin:0}.workspace-flow{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:14px}.flow-tool{border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:9px 11px;cursor:pointer}.flow-arrow{color:var(--muted)}.secondary,.primary,.danger{padding:10px 14px;border-radius:11px;cursor:pointer}.secondary{border:1px solid var(--line);background:var(--panel);color:var(--text)}.primary{border:0;background:var(--accent);color:#fff}.danger{border:0;background:var(--danger);color:#fff}.back{padding:20px 0 12px}.tool-page{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px}.tool-header{display:flex;justify-content:space-between;gap:18px;padding-bottom:20px;margin-bottom:22px;border-bottom:1px solid var(--line)}.tool-header h2{font-size:30px;margin:7px 0}.tool-header p{color:var(--muted);margin:0}.tool-header-actions{display:flex;gap:7px;align-items:flex-start}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}label{display:block;margin:0 0 8px;color:var(--muted);font-size:13px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);padding:12px 13px;outline:none}textarea{min-height:220px;resize:vertical}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.output{white-space:pre-wrap;word-break:break-word;min-height:90px;line-height:1.6}.preview{max-width:100%;border-radius:12px}.range-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.check-row{display:flex;gap:12px;flex-wrap:wrap}.check-row label{display:flex;align-items:center;gap:5px;color:var(--text)}.check-row input{width:auto}.drop{padding:28px;border:2px dashed var(--line);border-radius:16px;text-align:center}.drop input{border:0}.modal,.overlay{position:fixed;inset:0;z-index:100}.overlay{background:rgba(0,0,0,.48);backdrop-filter:blur(4px)}.modal{z-index:110;display:flex;align-items:center;justify-content:center;padding:20px;pointer-events:none}.modal-card{pointer-events:auto;width:min(720px,100%);max-height:90vh;overflow:auto;border-radius:22px;background:var(--panel);border:1px solid var(--line);box-shadow:0 28px 90px rgba(0,0,0,.3)}.modal-head,.modal-foot{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}.modal-foot{border-top:1px solid var(--line);border-bottom:0}.modal-body{padding:20px}.selected-list{display:grid;gap:8px}.selected-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 11px;border:1px solid var(--line);border-radius:11px;background:var(--soft)}.choice-group{margin-top:14px}.choice-group b{display:block;margin-bottom:8px}.choice-wrap{display:flex;gap:7px;flex-wrap:wrap}.toast{position:fixed;left:50%;bottom:28px;z-index:200;transform:translate(-50%,20px);opacity:0;background:#23242a;color:#fff;padding:11px 16px;border-radius:999px;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:840px){.sidebar{transform:translateX(-100%);transition:.2s;width:275px}.sidebar.open{transform:translateX(0);box-shadow:var(--shadow)}main{margin-left:0}.icon-button{display:block}.topbar{padding:11px 12px}.hero{margin:14px;padding:25px;display:block}.stats{margin-top:18px}.content{padding:0 14px 40px}.form-grid{grid-template-columns:1fr}.tool-page{padding:16px}.tool-header{display:block}.tool-header-actions{margin-top:12px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card{padding:14px}.tool-card p{display:none}.workspace-grid{grid-template-columns:1fr}.workspace-flow{flex-direction:column;align-items:stretch}.flow-arrow{display:none}.modal{align-items:flex-end;padding:0}.modal-card{border-radius:22px 22px 0 0;max-height:92vh}}@media(max-width:430px){.hero h1{font-size:31px}.stats span{font-size:12px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search kbd{display:none}.search input{padding-right:12px}}