:root{
  --bg:#FBFBF8; --ink:#14201C; --muted:#5C6B65; --line:#E3E6E0;
  --brand:#0F6E56; --brand-2:#1D9E75; --cream:#F2F5F0; --warn:#B4541F;
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg); color:var(--ink);
  font:400 16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 24px}

header{border-bottom:1px solid var(--line);background:rgba(251,251,248,.92);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:baseline;gap:8px;font-weight:500;font-size:17px;letter-spacing:-.01em}
.logo span{color:var(--brand)}
.nav-links{display:flex;gap:24px;font-size:14px}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--brand);text-decoration:none}

.hero{padding:72px 0 48px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.06em;color:var(--brand);background:var(--cream);border:1px solid var(--line);border-radius:999px;padding:5px 12px;margin-bottom:20px}
h1{font-size:38px;font-weight:500;line-height:1.28;letter-spacing:-.02em;margin-bottom:18px}
h1 em{font-style:normal;color:var(--brand)}
.lede{font-size:17px;color:var(--muted);max-width:640px;line-height:1.75}
.lede strong{color:var(--ink);font-weight:500}

section{padding:8px 0 56px}
h2{font-size:22px;font-weight:500;letter-spacing:-.01em;margin-bottom:10px}
.sub{color:var(--muted);font-size:15px;margin-bottom:28px;max-width:640px}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:720px){.grid{grid-template-columns:1fr}}

.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:border-color .15s,transform .15s}
.card:hover{border-color:#C9D2CB;text-decoration:none;transform:translateY(-1px)}
.card .tag{display:inline-block;font-size:12px;padding:3px 9px;border-radius:999px;background:var(--cream);color:var(--brand);margin-bottom:14px;align-self:flex-start}
.card .tag.free{background:#E7F5EE;color:#0B5B45}
.card h3{font-size:18px;font-weight:500;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:14.5px;color:var(--muted);line-height:1.7;flex:1}
.card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:14px}
.price{font-weight:500;color:var(--ink)}
.price small{font-weight:400;color:var(--muted);font-size:12.5px;margin-left:4px}
.go{color:var(--brand);font-size:14px}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:16px}
.panel h3{font-size:17px;font-weight:500;margin-bottom:6px}
.panel .hint{font-size:14px;color:var(--muted);margin-bottom:20px}

label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px}
input,select{width:100%;padding:11px 13px;font-size:15px;font-family:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;outline:none}
input:focus,select:focus{border-color:var(--brand-2);background:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
@media(max-width:620px){.row{grid-template-columns:1fr}}
button.primary{width:100%;padding:14px;font-size:15.5px;font-family:inherit;font-weight:500;color:#fff;background:var(--brand);border:0;border-radius:8px;cursor:pointer;margin-top:6px}
button.primary:hover{background:#0B5B45}

.result{display:none;background:var(--cream);border:1px solid #D5E3D9;border-radius:var(--radius);padding:24px;margin-top:20px}
.result.on{display:block}
.score{font-size:44px;font-weight:500;line-height:1;color:var(--brand);letter-spacing:-.02em}
.score small{font-size:16px;color:var(--muted);font-weight:400}
.verdict{font-size:15px;margin:8px 0 20px;color:var(--ink)}
.bars{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.bar{display:grid;grid-template-columns:130px 1fr 46px;align-items:center;gap:12px;font-size:13.5px}
.track{height:6px;background:#DDE6DF;border-radius:99px;overflow:hidden}
.fill{height:100%;background:var(--brand-2);border-radius:99px;transition:width .5s ease}
.num{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}
.notes{font-size:14.5px;line-height:1.75}
.notes strong{font-weight:500}
.notes ol{margin:8px 0 0 20px}
.notes li{margin-bottom:6px}

table{width:100%;border-collapse:collapse;font-size:14.5px;margin:6px 0 18px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{font-weight:500;color:var(--muted);font-size:13px;letter-spacing:.02em}
td.n{font-variant-numeric:tabular-nums;text-align:right}
tr:last-child td{border-bottom:0}

.note{border-left:3px solid var(--brand-2);background:#F7FAF7;padding:14px 18px;border-radius:0 8px 8px 0;font-size:14.5px;color:var(--muted);margin:20px 0}
.note strong{color:var(--ink);font-weight:500}

.steps{counter-reset:s;list-style:none}
.steps li{position:relative;padding-left:36px;margin-bottom:16px;font-size:15px}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:50%;background:var(--cream);color:var(--brand);font-size:12.5px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}

footer{border-top:1px solid var(--line);padding:32px 0 48px;font-size:13.5px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted)}