:root{--bg:#F6F9FB;--card:#FFFFFF;--ink:#17222C;--soft:#5E7183;--brand:#0E6E5C;--brand2:#12907A;--accent:#F2B33D;--line:#E3EAF0;--tint:#EAF4F1;--shadow:0 10px 34px rgba(23,34,44,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:linear-gradient(180deg,#FAFCFD 0%,var(--bg) 240px);color:var(--ink);font-family:-apple-system,"Segoe UI",Roboto,system-ui,sans-serif;line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
body::before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--brand),var(--brand2) 55%,var(--accent));position:sticky;top:0;z-index:10}
.wrap{max-width:920px;margin:0 auto;padding:0 22px 64px}
nav{display:flex;align-items:center;justify-content:space-between;padding:24px 0 14px}
.logo{font-weight:800;font-size:23px;letter-spacing:-.4px;color:var(--brand);text-decoration:none;display:inline-flex;align-items:center;gap:11px}
.logo span{color:var(--ink)}
.logo svg{width:38px;height:38px;flex:none;filter:drop-shadow(0 4px 10px rgba(14,110,92,.28))}
nav a.back{color:var(--soft);text-decoration:none;font-size:14px;font-weight:600;padding:8px 14px;border:1.5px solid var(--line);border-radius:999px;background:#fff;transition:all .15s}
nav a.back:hover{border-color:var(--brand2);color:var(--brand)}
.hero{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:20px}
.heroMark{flex:none;filter:drop-shadow(0 16px 30px rgba(14,110,92,.30))}
h1{font-size:clamp(29px,4.8vw,42px);letter-spacing:-1.1px;line-height:1.14;margin:20px 0 10px;font-weight:800}
.hero h1{margin-top:0}
.sub{color:var(--soft);font-size:17px;max-width:660px}
.tool{background:var(--card);border:1px solid rgba(227,234,240,.8);border-radius:20px;box-shadow:var(--shadow);padding:30px;margin-top:26px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:18px}
label{display:block;font-size:13px;font-weight:700;color:var(--soft);margin-bottom:7px;letter-spacing:.1px}
input,select{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 15px;font:inherit;font-size:16px;background:#fff;transition:border-color .15s,box-shadow .15s}
input:hover,select:hover{border-color:#CBD8E2}
input:focus,select:focus{outline:none;border-color:var(--brand2);box-shadow:0 0 0 4px rgba(18,144,122,.13)}
.btn{width:100%;border:none;cursor:pointer;font:inherit;font-weight:800;font-size:17px;letter-spacing:.2px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));border-radius:14px;padding:16px;margin-top:20px;box-shadow:0 10px 24px rgba(14,110,92,.28);transition:transform .12s,box-shadow .12s,filter .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(14,110,92,.34);filter:brightness(1.04)}
.btn:active{transform:translateY(0)}
.result{display:none;margin-top:24px;border-top:1.5px dashed var(--line);padding-top:22px}
.result.show{display:block;animation:rise .25s ease}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.big{font-size:42px;font-weight:800;color:var(--brand);letter-spacing:-1.4px;line-height:1.15}
.big small{font-size:15px;color:var(--soft);font-weight:600;letter-spacing:0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:13px;margin-top:16px}
.stat{background:linear-gradient(180deg,#F2F8F5,#EDF5F1);border:1px solid rgba(18,144,122,.10);border-radius:14px;padding:14px 16px}
.stat b{display:block;font-size:19px;letter-spacing:-.3px}
.stat span{font-size:12.5px;color:var(--soft)}
table{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
th,td{text-align:right;padding:9px 10px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{color:var(--soft);font-size:11.5px;text-transform:uppercase;letter-spacing:.6px}
tbody tr:hover{background:#F7FAF9}
.explain{background:var(--card);border:1px solid rgba(227,234,240,.8);border-radius:20px;box-shadow:var(--shadow);padding:28px;margin-top:22px}
.explain h2{font-size:20px;letter-spacing:-.4px;margin-bottom:10px}
.explain h2:not(:first-child){margin-top:18px}
.explain p{color:var(--soft);font-size:15.5px;margin-bottom:11px}
.explain p:last-child{margin-bottom:0}
.explain a{color:var(--brand);font-weight:600}
.ad-slot{min-height:90px;border-radius:14px;margin-top:22px;display:flex;align-items:center;justify-content:center;color:#B9C6D0;font-size:12px;background:repeating-linear-gradient(45deg,#F1F5F8 0 12px,#EDF2F6 12px 24px)}
.promise{text-align:center;color:var(--soft);font-size:13.5px;margin-top:30px}
footer{text-align:center;color:var(--soft);font-size:13.5px;padding:30px 0 12px;line-height:1.9;border-top:1px solid var(--line);margin-top:36px}
footer a{color:var(--brand);font-weight:600;text-decoration:none}
footer a:hover{text-decoration:underline}
.sectionTitle{font-size:22px;letter-spacing:-.5px;margin-top:42px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:30px}
.card{background:var(--card);border:1px solid rgba(227,234,240,.9);border-radius:20px;box-shadow:0 4px 16px rgba(23,34,44,.05);padding:24px;text-decoration:none;color:var(--ink);transition:transform .16s,box-shadow .16s,border-color .16s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(23,34,44,.11);border-color:rgba(18,144,122,.45)}
.card .e{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;font-size:27px;background:linear-gradient(135deg,var(--tint),#DFF0EA);border-radius:16px}
.card h3{font-size:17.5px;letter-spacing:-.3px;margin:14px 0 5px}
.card p{font-size:13.5px;color:var(--soft);line-height:1.55}
.badge{display:inline-block;background:var(--tint);color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.3px;border-radius:999px;padding:4px 11px;margin-top:12px}
.share-row{display:flex;gap:10px;margin-top:18px}
.share-btn{flex:1;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px;font:inherit;font-size:14px;font-weight:700;color:var(--brand);cursor:pointer;transition:all .15s}
.share-btn:hover{border-color:var(--brand2);background:#FBFDFC;transform:translateY(-1px)}
.share-btn.done{border-color:var(--brand2);background:var(--tint)}
.note{font-size:12.5px;color:var(--soft);margin-top:10px}
@media(max-width:640px){
  .wrap{padding:0 16px 48px}
  .tool,.explain{padding:22px;border-radius:16px}
  .heroMark{display:none}
  .logo svg{width:32px;height:32px}
  .logo{font-size:20px}
  .big{font-size:34px}
}