:root{--bg:#f5f7fb;--card:#fff;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand2:#7c3aed;--grad:linear-gradient(135deg,#2563eb,#7c3aed);--radius:14px;--shadow:0 1px 3px rgba(16,24,40,.06),0 10px 28px -14px rgba(16,24,40,.14)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:15px}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.main{min-height:calc(100vh - 190px);padding-bottom:60px}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
.hide{display:none!important}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:16px;height:60px}
.logo{font-size:19px;font-weight:800;background:linear-gradient(135deg,#f59e0b,#f43f5e);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.search-wrap{position:relative;flex:1;max-width:420px}
.search-wrap input{width:100%;height:38px;border:1px solid var(--line);border-radius:20px;padding:0 16px 0 38px;font-size:14px;background:#f3f4f6;outline:none;transition:.2s}
.search-wrap input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.5}
.top-nav{margin-left:auto;display:flex;gap:18px}
.top-nav a{color:var(--muted);font-size:14px;font-weight:500}
.top-nav a:hover{color:var(--brand)}
.hero{text-align:center;padding:56px 0 30px}
.hero h1{font-size:38px;margin:0 0 10px;background:linear-gradient(135deg,#f59e0b,#f43f5e);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--muted);margin:0 0 26px;font-size:16px}
.hero-search{max-width:560px;margin:0 auto 20px}
.hero-search input{width:100%;height:52px;border:2px solid var(--line);border-radius:26px;padding:0 24px;font-size:16px;outline:none;background:#fff;box-shadow:var(--shadow);transition:.2s}
.hero-search input:focus{border-color:var(--brand)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-tag{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--ink);transition:.2s}
.hero-tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.sec-title{font-size:22px;margin:40px 0 18px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.3}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tool-card{position:relative;display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 14px;color:var(--ink);transition:.18s;overflow:hidden}
.tool-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.tc-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.tc-name{font-weight:700;font-size:15px}
.tc-heat{font-size:12px;color:#ea580c;white-space:nowrap}
.tc-desc{margin:6px 0 8px;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.tc-cat{display:inline-block;font-size:11px;color:var(--brand);background:rgba(37,99,235,.08);border-radius:10px;padding:2px 9px}
.rank{position:absolute;top:0;left:0;font-size:11px;font-weight:800;color:#fff;background:#94a3b8;padding:2px 9px;border-radius:0 0 10px 0}
.rank.r1{background:#ef4444}.rank.r2{background:#f97316}.rank.r3{background:#eab308}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.cat-card{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;color:var(--ink);transition:.18s}
.cat-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat-icon{font-size:30px;line-height:1.2}
.cat-card h3{margin:0 0 4px;font-size:16px}
.cat-card p{margin:0 0 6px;color:var(--muted);font-size:13px}
.cat-card .muted{font-size:12px;color:#94a3b8}
.all-cat-title{font-size:17px;margin:26px 0 12px;color:var(--ink)}
.breadcrumb{padding:18px 0 4px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{margin:0 6px}
.tool-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:6px 0 16px}
.tool-head h1{margin:0 0 6px;font-size:26px}
.tool-head .tool-desc{margin:0;color:var(--muted)}
.heat-badge{background:#fff7ed;color:#ea580c;border:1px solid #fed7aa;border-radius:20px;padding:4px 14px;font-size:13px;font-weight:600;white-space:nowrap}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.panel+.panel{margin-top:16px}
.panel h3{margin:0 0 14px;font-size:16px}
.row{margin-bottom:14px}
.row:last-child{margin-bottom:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{font-size:13px;color:var(--muted);display:block;margin-bottom:5px}
.input,select.input,textarea.textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px;outline:none;font-family:inherit;background:#fff;color:var(--ink);transition:border .2s}
.input:focus,textarea.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea.textarea{resize:vertical;min-height:120px;line-height:1.6;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.textarea.ro{background:#f8fafc}
input[type=range]{width:100%;accent-color:var(--brand)}
input[type=color]{width:46px;height:34px;border:1px solid var(--line);border-radius:8px;padding:2px;background:#fff;cursor:pointer}
input[type=checkbox],input[type=radio]{accent-color:var(--brand);margin-right:5px}
.chk-row{display:flex;flex-wrap:wrap;gap:14px;font-size:14px;color:var(--ink)}
.chk-row label{display:flex;align-items:center;margin:0;color:var(--ink);font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:9px 18px;font-size:14px;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{border-color:var(--brand);color:var(--brand)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);border:none;color:#fff;font-weight:600}
.btn-primary:hover{color:#fff;opacity:.9}
.btn-danger{color:#dc2626;border-color:#fecaca}
.btn-danger:hover{background:#fef2f2;border-color:#dc2626;color:#dc2626}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:8px}
.output{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;overflow:auto;white-space:pre-wrap;word-break:break-all;margin:0;max-height:420px}
.result-box{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;border-radius:10px;padding:12px 14px;font-size:14px}
.err-box{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;border-radius:10px;padding:12px 14px;font-size:14px;margin-top:10px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:14px}
.stat{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-align:center}
.stat b{display:block;font-size:20px;color:var(--brand)}
.stat span{font-size:12px;color:var(--muted)}
table.tb{width:100%;border-collapse:collapse;font-size:14px}
.tb th,.tb td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.tb th{background:#f8fafc;font-weight:600;white-space:nowrap}
.tb tr:hover td{background:#f8fafc}
.tb code{background:#eef2ff;color:#4338ca;padding:1px 6px;border-radius:6px;font-size:13px}
.dl{display:flex;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;border-radius:6px;margin:1px 0;padding:1px 6px;white-space:pre-wrap;word-break:break-all}
.dl-sign{width:18px;flex:none;opacity:.7}
.dl-del{background:#fee2e2;color:#991b1b}
.dl-add{background:#dcfce7;color:#166534}
.dl-eq{color:#64748b}
.big-num{font-size:52px;font-weight:800;font-variant-numeric:tabular-nums;text-align:center;letter-spacing:2px;margin:8px 0;font-family:ui-monospace,Menlo,Consolas,monospace}
.big-num.done{color:#dc2626;animation:pulse .8s infinite}
.pill{display:inline-block;padding:2px 12px;border-radius:14px;font-size:13px;font-weight:600}
.pill.g{background:#dcfce7;color:#166534}.pill.o{background:#ffedd5;color:#c2410c}.pill.r{background:#fee2e2;color:#dc2626}.pill.b{background:#dbeafe;color:#1d4ed8}
.swatch{width:54px;height:54px;border-radius:10px;border:1px solid var(--line);display:inline-block;vertical-align:middle}
.kv{display:flex;gap:10px;align-items:center;margin:8px 0;flex-wrap:wrap}
.kv .k{color:var(--muted);font-size:13px;min-width:70px}
.kv .v{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:5px 10px;word-break:break-all}
.canvas-wrap{border:1px dashed var(--line);border-radius:10px;padding:10px;text-align:center;background:#fafafa;min-height:60px}
.canvas-wrap canvas{max-width:100%;border-radius:6px}
.drop-zone{border:2px dashed var(--line);border-radius:12px;padding:34px 16px;text-align:center;color:var(--muted);cursor:pointer;transition:.2s}
.drop-zone:hover,.drop-zone.over{border-color:var(--brand);color:var(--brand);background:rgba(37,99,235,.04)}
.palette{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.palette .pc{width:44px;height:44px;border-radius:8px;border:1px solid var(--line);cursor:pointer;position:relative}
.mark{background:#fde047;border-radius:3px;padding:0 1px}
.note{font-size:12px;color:#94a3b8;margin-top:10px}
.related{margin-top:36px}
.related h2{font-size:18px;margin:0 0 14px}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:22px 0;text-align:center;color:var(--muted);font-size:13px}
#toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:#1f2937;color:#fff;border-radius:10px;padding:10px 20px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}
.cal-grid .wd{color:var(--muted);font-size:12px;padding:6px 0;font-weight:600}
.cal-cell{padding:10px 0;border-radius:10px;font-size:14px;background:#f8fafc}
.cal-cell.we{color:#dc2626;background:#fef2f2}
.cal-cell.today{background:var(--grad);color:#fff;font-weight:800}
.die{display:inline-block;font-size:56px;line-height:1.15;margin:6px;filter:drop-shadow(0 2px 2px rgba(0,0,0,.15))}
.coin-big{font-size:90px;display:inline-block;margin:10px 0}
.flip-anim{animation:flip .8s ease}
.pop{animation:pop .35s ease}
.wf-btn{width:190px;height:190px;border-radius:50%;font-size:80px;background:radial-gradient(circle at 35% 30%,#fde8c8,#e7b563);border:6px solid #c98a3d;cursor:pointer;box-shadow:0 10px 24px -8px rgba(146,86,14,.5);transition:transform .08s}
.wf-btn:active{transform:scale(.94)}
.float-plus{position:absolute;font-size:22px;font-weight:800;color:#b45309;animation:rise 1s ease forwards;pointer-events:none}
.meter{height:12px;background:#e5e7eb;border-radius:8px;overflow:hidden;margin:10px 0 6px}
.meter i{display:block;height:100%;border-radius:8px;background:#ef4444;transition:.3s}
.pad-btns{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:360px}
.pad-btns .btn{justify-content:center;padding:13px 0;font-size:17px;font-weight:600}
.keyframes-placeholder{}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes flip{0%{transform:rotateY(0)}100%{transform:rotateY(720deg)}}
@keyframes pop{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes rise{0%{transform:translateY(0);opacity:1}100%{transform:translateY(-60px);opacity:0}}
.no-results{text-align:center;color:var(--muted);padding:40px 0;font-size:15px}
@media(max-width:720px){
.grid2{grid-template-columns:1fr}
.hero h1{font-size:28px}
.header-inner{gap:10px}
.top-nav{display:none}
.tool-head{display:block}
.big-num{font-size:38px}
}

.free-chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:0 0 20px}
.free-chips span{background:#ecfdf5;border:1px solid #a7f3d0;color:#047857;border-radius:16px;padding:4px 14px;font-size:13px;font-weight:500}
.coffee-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:#fef3c7;border:1px solid #fcd34d;color:#92400e;border-radius:18px;padding:10px 24px;font-weight:600;font-size:14px;transition:.2s;max-width:640px;line-height:1.8;text-align:center}
.coffee-btn:hover{background:#fde68a;transform:translateY(-1px);color:#92400e}
.qr-row{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.qr-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;flex:1;min-width:220px;max-width:260px}
.qr-box img{width:100%;object-fit:contain;border-radius:8px}
.qr-ph{width:100%;aspect-ratio:1;border:2px dashed var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:12px;padding:12px;text-align:center;line-height:1.8}

.color-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.color-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;cursor:pointer;transition:.15s}
.color-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.color-block{height:64px;border-radius:8px;margin-bottom:8px;border:1px solid rgba(0,0,0,.06)}
.color-card b{display:block;font-size:14px}
.color-card .v{display:block;font-size:11px;color:var(--muted);font-family:ui-monospace,monospace}
.grad-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.grad-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;cursor:pointer;transition:.15s}
.grad-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.grad-block{height:76px;border-radius:8px;margin-bottom:8px}
.grad-card b{display:block;font-size:14px}
.grad-card .v{font-size:11px;color:var(--muted)}
.life-grid{display:grid;grid-template-columns:repeat(52,1fr);gap:2px}
.life-cell{width:100%;aspect-ratio:1;border-radius:2px;background:#e5e7eb}
.life-cell.past{background:var(--brand)}
.key-cap{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;margin:2px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px;user-select:none;transition:.05s}
.key-cap.on{background:var(--brand);color:#fff;transform:scale(.92)}