:root {
  --bg:#ffffff;
  --card:#ffffff;
  --ink:#111111;
  --muted:#666666;
  --line:#d7e5df;
  --accent:#18A982;
  --accent-strong:#12806A;
  --accent-soft:#ECFAF6;
  --shadow:0 14px 32px rgba(0,0,0,.055);
  --radius:24px;
}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.shell{width:min(1080px,calc(100% - 32px));margin:0 auto}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 0 14px}
.brand{font-size:19px;font-weight:800;letter-spacing:-.03em}
.brand span{color:var(--accent)}
.toplink{color:var(--muted);font-size:14px;font-weight:650}
.tool-tabs{display:flex;flex-wrap:wrap;gap:10px;overflow-x:auto;scrollbar-width:none;padding:8px 0 20px;border-bottom:1px solid var(--line);-webkit-overflow-scrolling:touch;view-transition-name:tool-tabs}
.tool-tabs::-webkit-scrollbar{display:none}
.tool-tab{flex:0 0 auto;padding:12px 18px;border:1px solid #cceadf;border-radius:999px;background:#fff;color:#242424;font-size:15px;font-weight:800;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,.04);transition:.18s ease}
.tool-tab:hover{transform:translateY(-2px);border-color:#92d8c3;box-shadow:0 7px 18px rgba(0,0,0,.055)}
.tool-tab.active{background:linear-gradient(135deg,#39BE99,var(--accent));border-color:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(24,169,130,.24);view-transition-name:active-tab}
.hero{padding:58px 0 42px;max-width:780px}
.eyebrow{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:13px;font-weight:750}
h1{margin:18px 0 14px;font-size:clamp(42px,8vw,78px);line-height:.97;letter-spacing:-.065em}
.hero p{margin:0;max-width:650px;color:var(--muted);font-size:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-bottom:72px}
.tool-card{background:var(--card);border:1px solid #dddddd;border-radius:var(--radius);padding:24px;min-height:180px;box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease}
.tool-card:hover{transform:translateY(-3px);border-color:#bdbdbd}
.icon{width:60px;height:60px;display:grid;place-items:center;border-radius:18px;background:#DDF3EC;font-size:28px;margin-bottom:28px;box-shadow:0 5px 14px rgba(0,0,0,.035)}
.tool-card:nth-child(2) .icon{background:#FBE9C9}
.tool-card:nth-child(3) .icon{background:#DCEBFF}
.tool-card:nth-child(4) .icon{background:#FFF3BF}
.tool-card:nth-child(5) .icon{background:#E8E1FF}
.tool-card:nth-child(6) .icon{background:#F8E0EC}
.tool-card:nth-child(7) .icon{background:#DFF2D8}
.tool-card:nth-child(8) .icon{background:#F3DFF6}
.tool-card h2{margin:0 0 6px;font-size:22px;letter-spacing:-.035em}
.tool-card p{margin:0;color:var(--muted);font-size:14px}
.footer{padding:26px 0 42px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
.tool-layout{padding:38px 0 72px}
.tool-head{max-width:760px;margin-bottom:30px}
.breadcrumb{color:var(--muted);font-size:13px;font-weight:650}
.tool-head h1{font-size:clamp(38px,6vw,62px);margin-top:15px}
.tool-head p{color:var(--muted);font-size:17px;max-width:680px}
.panel{background:var(--card);border:1px solid #edf4f1;border-radius:28px;padding:clamp(20px,4vw,36px);box-shadow:var(--shadow)}
.calc-block+.calc-block{margin-top:28px;padding-top:28px;border-top:1px solid #eef1f0}
.calc-block h2{margin:0 0 14px;font-size:20px;letter-spacing:-.025em}
label{display:block;margin-bottom:8px;font-size:13px;font-weight:750}
input,textarea,select{width:100%;min-width:0;max-width:100%;border:1px solid #e4ebe8;background:#fff;color:var(--ink);border-radius:14px;padding:13px 14px;outline:none}
input[type="date"],input[type="time"]{display:block;width:100%;min-width:0;max-width:100%}
.row>*{min-width:0}
textarea{resize:vertical;min-height:140px}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row.three{grid-template-columns:repeat(3,1fr)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn{border:0;border-radius:14px;padding:12px 17px;font-weight:800;background:linear-gradient(135deg,#39BE99,var(--accent));color:#fff;box-shadow:0 8px 20px rgba(24,169,130,.22)}
.btn.secondary{background:#f2f4f3;color:#222;box-shadow:none}
.result{margin-top:22px;min-height:88px;border:1px solid #edf1ef;background:#fafcfb;border-radius:18px;padding:20px}
.result-label{color:var(--muted);font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}
.result-value{margin-top:4px;font-size:clamp(28px,5vw,44px);font-weight:900;letter-spacing:-.04em;overflow-wrap:anywhere}
.result-detail{margin-top:7px;color:var(--muted);font-size:14px}
.info{margin-top:28px;padding:24px 2px 0;max-width:760px;color:var(--muted)}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:none}
.info-card{padding:20px;border:1px solid #eef3f1;border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.04)}
.info-card h2{margin:0 0 8px;color:var(--ink);font-size:18px;letter-spacing:-.02em}
.info-card p{margin:0}
.ad-slot{min-height:90px;margin:26px 0;border:1px dashed #c9d8d2;border-radius:18px;display:grid;place-items:center;color:#a0aaa6;font-size:12px}
.more-tools{margin:-2px 0 12px;padding:18px 0 6px}
.more-tools-label{margin-bottom:10px;color:var(--ink);font-size:13px;font-weight:800}
.bottom-tabs{padding:0 0 14px;border-bottom:0;gap:7px;view-transition-name:none}
.bottom-tabs .tool-tab{padding:9px 13px;font-size:13px;box-shadow:0 3px 10px rgba(0,0,0,.035)}
.bottom-tabs .tool-tab:hover{transform:none;background:#111;border-color:#111;color:#fff;box-shadow:none}
.bottom-tabs .tool-tab.active{view-transition-name:none;box-shadow:0 5px 14px rgba(24,169,130,.18)}
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-old(active-tab),::view-transition-new(active-tab),::view-transition-group(active-tab){animation-duration:.34s;animation-timing-function:cubic-bezier(.22,.8,.2,1)}
@media(max-width:720px){
  .toplink{display:none}
  .tool-tabs{flex-wrap:nowrap;margin-right:-16px;padding:6px 16px 14px 0;gap:7px}
  .tool-tab{padding:9px 12px;font-size:13px}
  .bottom-tabs{margin-right:-16px;padding-right:16px;gap:6px}
  .bottom-tabs .tool-tab{padding:8px 11px;font-size:12.5px}
  .grid{grid-template-columns:1fr;gap:12px}
  .tool-card{min-height:0;padding:14px;display:grid;grid-template-columns:60px minmax(0,1fr);grid-template-rows:auto auto;column-gap:15px;row-gap:3px;align-items:center}
  .tool-card .icon{grid-column:1;grid-row:1/span 2;margin-bottom:0}
  .tool-card h2{grid-column:2;grid-row:1;margin:0;align-self:end}
  .tool-card p{grid-column:2;grid-row:2;margin:0;line-height:1.42;align-self:start}
  .hero{padding-top:38px}
  .tool-layout{padding-top:28px}
  .row,.row.three,.info-grid{grid-template-columns:1fr}
}