/* ============================================================
   3ccost · Design System  v2 (modern)
   Check · Compare · Control your cost
   Audit + Representation + Should-cost for overseas buyers
   ============================================================ */
:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --line:#e5e9ef;
  --line-2:#eef2f6;
  --ink:#0f172a;
  --sub:#5b6879;
  --sub-2:#8a97a8;

  --brand:#169c5a;
  --brand-d:#0f7d46;
  --brand-2:#4ade80;
  --brand-soft:#e7f6ed;
  --red:#e0393e;
  --red-soft:#fdeded;
  --green:#12a05c;
  --green-soft:#e7f8ef;
  --amber:#d97706;
  --amber-soft:#fff6e6;

  --dark:#07170f;
  --dark-2:#111c33;
  --dark-line:rgba(255,255,255,.12);
  --on-dark:#eaf6ee;
  --on-dark-sub:#9cbaa4;

  --r:14px;
  --r-sm:10px;
  --r-lg:20px;
  --shadow:0 1px 2px rgba(16,32,60,.05), 0 12px 32px rgba(16,32,60,.07);
  --shadow-sm:0 1px 2px rgba(16,32,60,.05), 0 4px 12px rgba(16,32,60,.04);
  --shadow-lg:0 24px 60px rgba(10,20,45,.16);
  --max:1180px;
  --font:"Inter","Segoe UI Variable Display","Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:14.5px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 10px;line-height:1.25;font-weight:750;letter-spacing:-.2px}
h1{font-size:34px}
h2{font-size:21px}
h3{font-size:16.5px}
p{margin:0 0 10px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.muted{color:var(--sub)}
.small{font-size:12.5px}
.center{text-align:center}
.mono{font-family:var(--mono)}

/* ================= header (dark) ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,17,34,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--dark-line);
}
.site-header .inner{
  max-width:var(--max);margin:0 auto;padding:0 22px;height:64px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:#fff;letter-spacing:-.4px}
.brand:hover{text-decoration:none}
.brand .logo{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:800;letter-spacing:-.6px;
  box-shadow:0 6px 18px rgba(22,156,90,.45);
}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--on-dark-sub);letter-spacing:.3px;line-height:1.2}
.nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav a{
  padding:8px 13px;border-radius:9px;color:var(--on-dark-sub);font-weight:600;font-size:13.5px;
  transition:.16s;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07);text-decoration:none}
.nav a.active{color:#fff;background:rgba(22,156,90,.34)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}

/* ================= buttons ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  padding:10px 17px;border-radius:10px;font-size:13.5px;font-weight:650;
  cursor:pointer;font-family:inherit;transition:.16s;white-space:nowrap;
  box-shadow:0 2px 8px rgba(22,156,90,.22);
}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d);text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 16px rgba(22,156,90,.30)}
.btn:active{transform:none}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{background:#f3f6fa;border-color:#cfd8e3;box-shadow:none}
.btn.gray{background:#5c6b82;border-color:#5c6b82;box-shadow:none}
.btn.gray:hover{background:#4a5769;border-color:#4a5769}
.btn.green{background:var(--green);border-color:var(--green);box-shadow:0 2px 8px rgba(18,160,92,.22)}
.btn.green:hover{background:#0f8b4f;border-color:#0f8b4f}
.btn.danger{background:#fff;color:var(--red);border-color:#f3c9c9;box-shadow:none}
.btn.danger:hover{background:var(--red-soft);border-color:#e9b0b0}
.btn.lg{padding:14px 28px;font-size:15px;border-radius:12px}
.btn.sm{padding:7px 12px;font-size:12.5px;border-radius:8px}
.btn.xs{padding:3px 9px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
/* on dark */
.on-dark-btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#fff;box-shadow:none}
.on-dark-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.3)}

/* ================= cards ================= */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow-sm);
}
.card + .card{margin-top:16px}
.card h2{display:flex;align-items:center;gap:8px}
.card .hint{color:var(--sub);font-size:12.5px;margin:-4px 0 16px}
.grid{display:grid;gap:16px}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}

/* ================= hero (dark, modern) ================= */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 78% -10%, rgba(74,222,128,.20), transparent 60%),
    radial-gradient(700px 380px at 8% 8%, rgba(22,156,90,.36), transparent 62%),
    linear-gradient(160deg,#061a11 0%,#0d2a1c 55%,#07170f 100%);
  color:#fff;padding:72px 0 78px;border-bottom:1px solid var(--dark-line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(700px 320px at 60% 0%,#000,transparent 70%);
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}
@media (max-width:960px){.hero .wrap{grid-template-columns:1fr;gap:30px}}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);color:#b7ecc9;
  font-size:12.5px;font-weight:650;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2)}
.hero h1{font-size:44px;letter-spacing:-1.4px;margin-bottom:14px;line-height:1.12}
.hero h1 .grad{background:linear-gradient(92deg,#8fe3ad 0%,#4ade80 55%,#d9f99d 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .slogan{
  font-size:17px;font-weight:700;color:#9ed8b4;letter-spacing:.4px;margin-bottom:16px;
}
.hero .slogan span{color:#6c8f79}
.hero .slogan .sep{color:#4d6b56;margin:0 7px;font-weight:600}
.hero .lead{font-size:16px;color:#c6ddcc;max-width:620px;margin-bottom:12px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.hero .cta .btn.lg{box-shadow:0 10px 26px rgba(22,156,90,.38)}
.hero .cta .btn.lg.ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.25);box-shadow:none}
.hero .cta .btn.lg.ghost:hover{background:rgba(255,255,255,.14)}
.hero .hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;color:var(--on-dark-sub);font-size:12.5px}
.hero .hero-meta b{color:#fff}

/* hero visual : cost card */
.costviz{
  background:linear-gradient(170deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:20px;
  box-shadow:0 28px 70px rgba(0,0,0,.35);backdrop-filter:blur(6px);
}
.costviz .cv-top{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:4px}
.costviz .cv-lab{font-size:12px;color:#b3d7c1;font-weight:650;letter-spacing:.3px}
.costviz .cv-val{font-size:30px;font-weight:800;letter-spacing:-1px;font-family:var(--mono)}
.costviz .cv-sub{font-size:11.5px;color:#8fb39b;margin-bottom:16px}
.cv-bar{display:flex;height:10px;border-radius:999px;overflow:hidden;margin-bottom:12px;background:rgba(255,255,255,.08)}
.cv-bar i{display:block;height:100%}
.cv-rows{display:grid;gap:9px}
.cv-row{display:flex;align-items:center;gap:9px;font-size:12.5px;color:#cbe0d1}
.cv-row .sw{width:9px;height:9px;border-radius:3px;flex:none}
.cv-row .nm{flex:1}
.cv-row .vl{font-family:var(--mono);font-weight:700;color:#fff}
.cv-row .pc{color:#8fb39b;width:44px;text-align:right;font-family:var(--mono)}
.cv-foot{margin-top:14px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.18);display:flex;justify-content:space-between;font-size:12px;color:#a9cbb4}
.cv-foot b{color:#86efac}

/* ================= sections ================= */
.section{padding:60px 0}
.section.tight{padding:38px 0}
.sec-head{max-width:660px;margin-bottom:28px}
.eyebrow2{
  display:inline-block;font-size:12px;font-weight:750;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--brand);margin-bottom:8px;
}
.sec-head h2{font-size:30px;letter-spacing:-.8px;margin-bottom:8px}
.sec-head p{color:var(--sub);font-size:15px;margin:0}

/* feature cards */
.feat{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;
  box-shadow:var(--shadow-sm);transition:.2s;position:relative;overflow:hidden;
}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feat .ico{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:14px;background:var(--brand-soft);
}
.feat h3{margin-bottom:7px}
.feat p{color:var(--sub);font-size:13.5px;margin:0}
.feat .tag{
  display:inline-block;margin-top:14px;font-size:11.5px;font-weight:700;
  color:var(--brand-d);background:var(--brand-soft);padding:4px 10px;border-radius:999px;
}
.feat.blue .ico{background:var(--brand-soft)}
.feat.teal .ico{background:#e6faf1}
.feat.green .ico{background:var(--green-soft)}
.feat.amber .ico{background:var(--amber-soft)}

/* three C */
.cc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:-38px;position:relative;z-index:3}
.cc-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:.2s}
.cc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.cc-card .c-letter{
  width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:14px;
  box-shadow:0 6px 16px rgba(22,156,90,.32);
}
.cc-card h3{margin-bottom:6px}
.cc-card p{color:var(--sub);font-size:13.5px;margin:0}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.step{position:relative;padding-left:52px}
.step::before{
  counter-increment:s;content:counter(s);
  position:absolute;left:0;top:0;width:36px;height:36px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  box-shadow:var(--shadow-sm);
}
.step h4{margin:5px 0 5px;font-size:15px}
.step p{color:var(--sub);font-size:13px;margin:0}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;box-shadow:var(--shadow-sm)}
.stat .n{font-size:28px;font-weight:800;letter-spacing:-1px;font-family:var(--mono)}
.stat .l{font-size:12.5px;color:var(--sub);margin-top:2px}

/* trust strip */
.trust{display:flex;gap:26px;flex-wrap:wrap;justify-content:center;color:var(--sub);font-size:13px}
.trust b{color:var(--ink)}

/* compare table / list */
.checklist{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#33415a}
.checklist li .ck{color:var(--green);font-weight:800;flex:none}

/* FAQ */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-sm)}
.faq details[open]{border-color:#bfe6cf}
.faq summary{cursor:pointer;font-weight:700;font-size:14.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--sub);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq .a{color:var(--sub);font-size:13.5px;margin-top:8px}

/* band CTA */
.band{
  border-radius:22px;padding:40px 28px;color:#fff;text-align:center;
  background:linear-gradient(120deg,#07200f 0%,#0f5a33 55%,#0a3b22 100%);
  box-shadow:0 22px 60px rgba(8,55,30,.30);position:relative;overflow:hidden;
}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(500px 220px at 80% 0%,rgba(134,239,172,.26),transparent 65%)}
.band > *{position:relative;z-index:2}
.band h2{font-size:28px;letter-spacing:-.7px;margin-bottom:8px}
.band p{color:#bde4cd;margin-bottom:20px}

/* ================= forms ================= */
label{display:block;font-size:12.5px;font-weight:700;color:#3d4a5f;margin-bottom:5px}
input,select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm);
  font-family:inherit;font-size:13.5px;color:var(--ink);background:#fff;transition:.15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,156,90,.16)}
input[readonly]{background:#f6f8fb;color:var(--sub)}
input.num,td.num{text-align:right;font-family:var(--mono)}
.field{margin-bottom:12px}
.field .unit{font-weight:600;color:var(--sub-2);font-size:11.5px}
.row{display:grid;gap:12px}
.row.c2{grid-template-columns:1fr 1fr}
.row.c3{grid-template-columns:1fr 1fr 1fr}
.row.c4{grid-template-columns:1fr 1fr 1fr 1fr}

/* ================= tables ================= */
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}
table.tbl th{
  background:#f7f9fc;color:#3d4a5f;font-weight:700;font-size:12px;
  padding:10px 11px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;
}
table.tbl td{padding:7px 9px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover td{background:#fafbfd}
table.tbl input,table.tbl select{padding:6px 8px;font-size:12.5px;border-color:transparent;background:transparent}
table.tbl input:hover,table.tbl select:hover{border-color:var(--line)}
table.tbl input:focus,table.tbl select:focus{border-color:var(--brand);background:#fff}

/* ================= tabs ================= */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs button{
  background:none;border:none;border-bottom:2px solid transparent;padding:9px 14px;
  font-family:inherit;font-size:13.5px;font-weight:700;color:var(--sub);cursor:pointer;transition:.15s;border-radius:8px 8px 0 0;
}
.tabs button:hover{color:var(--ink);background:#f5f8fc}
.tabs button.active{color:var(--brand-d);border-bottom-color:var(--brand)}

/* ================= result cards ================= */
.r-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:12px}
.r-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:15px 16px;
  border-top:3px solid var(--line);
}
.r-card .t{font-size:12px;color:var(--sub);font-weight:650;margin-bottom:5px}
.r-card .v{font-size:23px;font-weight:800;letter-spacing:-.6px;font-family:var(--mono);line-height:1.2}
.r-card .s{font-size:11.5px;color:var(--sub-2);margin-top:3px}
.r-card.hero-card{border-top-color:var(--brand);background:linear-gradient(180deg,#f2faf5,#fff)}
.r-card.hero-card .v{color:var(--brand-d)}
.r-card.ok{border-top-color:var(--green)}
.r-card.warn{border-top-color:var(--amber)}
.r-card.bad{border-top-color:var(--red)}

/* ================= badges / chips ================= */
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11.5px;font-weight:700;white-space:nowrap}
.badge.red{background:var(--red-soft);color:#b91c1c}
.badge.green{background:var(--green-soft);color:#0f8b4f}
.badge.amber{background:var(--amber-soft);color:#b45309}
.badge.blue{background:var(--brand-soft);color:var(--brand-d)}
.badge.gray{background:#eef2f6;color:#5c6b82}
.chip{display:inline-flex;align-items:center;gap:5px;background:#f2f5f9;border:1px solid var(--line-2);
  color:#43506a;font-size:11.5px;font-weight:650;padding:3px 10px;border-radius:999px}

/* quote compare */
.quote-row{display:grid;grid-template-columns:1.2fr .8fr .9fr auto;gap:10px;align-items:center;margin-bottom:10px}
.dev-pos{color:var(--red)}
.dev-neg{color:var(--amber)}
.dev-ok{color:var(--green)}

/* notice */
.notice{
  padding:12px 15px;border-radius:var(--r-sm);background:var(--brand-soft);
  border:1px solid #bfe6cf;color:#0f6b3f;font-size:13px;
}
.notice.warn{background:var(--amber-soft);border-color:#f8dfae;color:#8a5a00}
.notice.ok{background:var(--green-soft);border-color:#c6ecd8;color:#0f8b4f}

/* ================= supplier module ================= */
.sup-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.sup-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow-sm);
  transition:.18s;display:flex;flex-direction:column;gap:12px;
}
.sup-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.sup-card.sel{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,156,90,.16)}
.sup-top{display:flex;gap:12px;align-items:flex-start}
.sup-av{
  width:42px;height:42px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,#169c5a,#4ade80);
}
.sup-name{font-weight:750;font-size:15.5px;line-height:1.3}
.sup-sub{font-size:12px;color:var(--sub)}
.sup-meta{display:flex;gap:8px;flex-wrap:wrap}
.sup-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px;border-top:1px dashed var(--line-2)}
.grade{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:12.5px;padding:3px 11px;border-radius:999px}
.grade.A{background:#d8f8e3;color:#14713f}
.grade.B{background:var(--brand-soft);color:var(--brand-d)}
.grade.C{background:var(--amber-soft);color:#b45309}
.grade.D{background:var(--red-soft);color:#b91c1c}
.grade.none{background:#eef2f6;color:#65758c}
.scorebar{height:8px;border-radius:999px;background:#eef2f6;overflow:hidden}
.scorebar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.scorebar.g-A i{background:linear-gradient(90deg,#12a05c,#4fd08a)}
.scorebar.g-C i{background:linear-gradient(90deg,#d97706,#f0b354)}
.scorebar.g-D i{background:linear-gradient(90deg,#e0393e,#f0787c)}

.audit-group{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:12px}
.audit-group > .ag-head{
  display:flex;align-items:center;gap:10px;padding:12px 16px;background:#f7f9fc;border-bottom:1px solid var(--line);
}
.audit-group > .ag-head .t{font-weight:750;font-size:14px;flex:1}
.audit-group > .ag-head .w{font-size:11.5px;color:var(--sub);font-family:var(--mono)}
.audit-item{display:flex;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line-2)}
.audit-item:last-child{border-bottom:none}
.audit-item .qi{flex:1;font-size:13.5px}
.audit-item .qi small{display:block;color:var(--sub-2);font-size:11.5px}
.audit-opts{display:flex;gap:4px;background:#f2f5f9;padding:3px;border-radius:10px}
.audit-opts button{
  border:none;background:none;padding:5px 12px;border-radius:8px;font-family:inherit;font-size:12.5px;
  font-weight:700;color:var(--sub);cursor:pointer;transition:.14s;
}
.audit-opts button:hover{color:var(--ink)}
.audit-opts button.on{background:#fff;box-shadow:var(--shadow-sm)}
.audit-opts button.on[data-v="2"]{color:var(--green)}
.audit-opts button.on[data-v="1"]{color:var(--amber)}
.audit-opts button.on[data-v="0"]{color:var(--red)}
.audit-summary{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;
  background:linear-gradient(160deg,#f2faf5,#fff);border:1px solid var(--line);border-radius:14px;padding:18px;
}
.ring{width:92px;height:92px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;
  background:conic-gradient(var(--brand) calc(var(--p) * 1%), #e8edf5 0);position:relative}
.ring::after{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff}
.ring .rv{position:relative;z-index:2;font-family:var(--mono);font-weight:800;font-size:21px;letter-spacing:-.5px}
.ring .rl{position:relative;z-index:2;font-size:10.5px;color:var(--sub)}

/* ================= footer (dark) ================= */
.site-footer{
  margin-top:60px;background:var(--dark);color:var(--on-dark-sub);
  border-top:1px solid var(--dark-line);padding:38px 0 30px;font-size:13px;
}
.site-footer .inner{max-width:var(--max);margin:0 auto;padding:0 22px}
.site-footer .f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
@media (max-width:820px){.site-footer .f-grid{grid-template-columns:1fr 1fr;gap:20px}}
.site-footer h5{color:#fff;font-size:13px;font-weight:750;margin:0 0 10px;letter-spacing:.2px}
.site-footer a{color:var(--on-dark-sub);display:block;padding:3px 0;font-size:12.5px}
.site-footer a:hover{color:#fff;text-decoration:none}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:10px}
.site-footer .f-note{font-size:12px;color:#7c8ca6;max-width:320px}
.site-footer .f-bottom{
  margin-top:26px;padding-top:18px;border-top:1px solid var(--dark-line);
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:#7c8ca6;font-size:12px;
}
.site-footer .f-bottom .right{margin-left:auto}

/* ================= misc ================= */
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar .spacer{margin-left:auto}
.pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:650;color:#3d4a5f}
.hr{height:1px;background:var(--line);margin:18px 0}
.flex{display:flex;gap:10px;align-items:center}
.flex.wrap{flex-wrap:wrap}
.grow{flex:1}
.right{text-align:right}
.nowrap{white-space:nowrap}
.op-empty{color:var(--sub-2);text-align:center;padding:22px 10px;font-size:13px}
.lb{font-size:11px;font-weight:750;color:var(--sub);text-transform:uppercase;letter-spacing:.4px;margin:14px 0 6px}
.lb:first-child{margin-top:0}
.unit-note{font-size:11.5px;color:var(--sub-2);margin-top:2px}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.seg button{border:none;background:none;padding:6px 12px;font-family:inherit;font-size:12.5px;font-weight:700;color:var(--sub);cursor:pointer}
.seg button.on{background:var(--brand);color:#fff}
.param-h{font-size:11px;font-weight:750;color:var(--sub);text-transform:uppercase;letter-spacing:.4px;margin:16px 0 8px}
.param-h:first-child{margin-top:0}
.cell-ro{color:var(--sub);font-family:var(--mono);text-align:right;padding-right:10px;white-space:nowrap}

/* language switch */
.lang-sw{display:flex;border:1px solid rgba(255,255,255,.2);border-radius:9px;overflow:hidden;background:rgba(255,255,255,.06)}
.lang-sw button{
  border:none;background:none;padding:6px 11px;font-family:inherit;font-size:12.5px;font-weight:700;
  color:var(--on-dark-sub);cursor:pointer;transition:.14s;
}
.lang-sw button:hover{color:#fff}
.lang-sw button.on{background:var(--brand);color:#fff}

/* page head (inner pages) */
.pagehead{padding:26px 0 4px}
.pagehead h1{font-size:27px;letter-spacing:-.8px;margin-bottom:4px}
.pagehead .sub{color:var(--sub);font-size:14px}

/* responsive */
@media (max-width:960px){
  .row.c3,.row.c4{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .hero{padding:44px 0 52px}
  .hero h1{font-size:31px;letter-spacing:-.8px}
  .site-header .inner{height:auto;padding:10px 18px;flex-wrap:wrap;gap:10px}
  .nav{order:3;width:100%;margin-left:0;overflow:auto}
  .cc-grid{margin-top:18px}
  .section{padding:42px 0}
  .quote-row{grid-template-columns:1fr;gap:6px}
  .audit-item{flex-wrap:wrap;gap:8px}
}
@media (max-width:520px){
  .row.c3,.row.c4,.row.c2{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .r-grid{grid-template-columns:1fr 1fr}
  .sec-head h2{font-size:24px}
}

/* print */
@media print{
  .site-header,.site-footer,.toolbar,.no-print{display:none !important}
  body{background:#fff}
  .card{border-color:#ccc;box-shadow:none;break-inside:avoid}
}