:root{
  --bg:#f4fbff;
  --bg2:#eef7ff;
  --panel:#ffffff;
  --panel2:#f7fcff;
  --text:#0b1b2b;
  --muted:rgba(11,27,43,.70);
  --line:rgba(11,27,43,.12);
  --accent:#3aa7ff;
  --accent2:#5dd3ff;
  --shadow: 0 18px 45px rgba(17,42,67,.10);
  --shadow2: 0 10px 25px rgba(17,42,67,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 600px at 15% 0%, rgba(58,167,255,.18), transparent 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(93,211,255,.20), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1140px,92vw);margin:0 auto}
.muted{color:var(--muted)}
.small{font-size:12px}
.tiny{font-size:11px}

.header{
  position:sticky;top:0;z-index:1000;
  background: rgba(244,251,255,.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:10px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:14px;
  background: linear-gradient(180deg, rgba(58,167,255,.20), rgba(93,211,255,.18));
  border:1px solid rgba(58,167,255,.25);
  box-shadow: var(--shadow2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-sub{font-size:12px;color:var(--muted);margin-top:2px}
.nav-desktop{display:flex;align-items:center;gap:14px}
.nav-desktop a{color:var(--muted);font-weight:700;font-size:14px}
.nav-desktop a:hover{color:var(--text)}
.nav-cta{
  padding:10px 14px;border-radius:999px;
  background: linear-gradient(180deg, rgba(58,167,255,.22), rgba(93,211,255,.18));
  border:1px solid rgba(58,167,255,.25);
  color:var(--text) !important;
  box-shadow: var(--shadow2);
}

.nav-toggle{
  width:46px;height:42px;border-radius:14px;border:1px solid var(--line);
  background: rgba(255,255,255,.65);
  box-shadow: var(--shadow2);
  display:none;flex-direction:column;justify-content:center;gap:5px;padding:0 12px;cursor:pointer;
}
.nav-toggle span{height:2px;background:var(--text);border-radius:2px;display:block;opacity:.85}

.mobile-shell{position:fixed;inset:0;z-index:1200;pointer-events:none}
.mobile-shell.open{pointer-events:auto}
.mobile-backdrop{
  position:absolute;inset:0;background:rgba(11,27,43,.35);
  opacity:0;transition:opacity .2s ease;
}
.mobile-shell.open .mobile-backdrop{opacity:1}
.mobile-panel{
  position:absolute;top:0;left:0;height:100%;width:min(360px,88vw);
  background: rgba(255,255,255,.96);
  border-right:1px solid var(--line);
  transform: translateX(-105%);
  transition: transform .22s ease;
  box-shadow: var(--shadow);
  padding:14px;
}
.mobile-shell.open .mobile-panel{transform:translateX(0)}
.mobile-top{display:flex;align-items:center;justify-content:space-between;padding:6px 2px 10px}
.mobile-brand{display:flex;align-items:center;gap:10px}
.mobile-title{font-weight:900}
.mobile-sub{font-size:12px;color:var(--muted)}
.mobile-close{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background: rgba(255,255,255,.65);
  font-size:26px;cursor:pointer;box-shadow: var(--shadow2);
}
.mobile-links{display:flex;flex-direction:column;gap:6px;padding:10px 2px}
.mobile-links a{
  padding:10px 10px;border-radius:14px;
  color:var(--muted);border:1px solid transparent;font-weight:750;
}
.mobile-links a:hover{border-color:var(--line);background:rgba(58,167,255,.07);color:var(--text)}
.mobile-foot{padding:8px 2px 4px}

.lock{overflow:hidden}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background: rgba(255,255,255,.70);
  color:var(--text);
  padding:10px 14px;border-radius:14px;
  cursor:pointer;font-weight:800;
  box-shadow: var(--shadow2);
}
.btn.primary{
  background: linear-gradient(180deg, rgba(58,167,255,.26), rgba(93,211,255,.18));
  border-color: rgba(58,167,255,.28);
}
.btn.ghost{background: rgba(255,255,255,.55)}
.btn.wide{width:100%}

.hero{padding:26px 0 10px}
.hero-grid{display:grid;grid-template-columns:1.15fr .9fr;gap:18px;align-items:start}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12px;padding:8px 10px;border-radius:999px;
  border:1px solid rgba(58,167,255,.20);
  background: rgba(255,255,255,.70);
  color:rgba(11,27,43,.74);
  box-shadow: var(--shadow2);
}
h1{font-size:clamp(28px,3vw,44px);line-height:1.15;margin:12px 0 10px}
.lead{color:var(--muted);margin:0 0 14px;font-size:16px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 10px}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.trust{
  border:1px solid var(--line);background: rgba(255,255,255,.70);border-radius:var(--radius);
  padding:10px;box-shadow: var(--shadow2);
}
.t-label{font-size:12px;color:var(--muted)}
.t-val{font-weight:900;margin-top:2px}

.tool-card{
  border:1px solid var(--line);background: rgba(255,255,255,.80);
  border-radius:var(--radius);box-shadow: var(--shadow);
  padding:14px;
}
.tool-head{margin-bottom:10px}
.tool-title{font-weight:950}
.tool-sub{font-size:12px;color:var(--muted);margin-top:2px}
.alert{
  border:1px solid rgba(239,68,68,.25);
  background: rgba(239,68,68,.08);
  border-radius:16px;padding:10px 12px;margin:10px 0;color:#8a0e13;
}
.tool label{display:block;font-size:12px;color:rgba(11,27,43,.72);margin:10px 0 6px;font-weight:800}
textarea,select{
  width:100%;border:1px solid var(--line);
  background: rgba(255,255,255,.70);
  color:var(--text);
  border-radius:16px;padding:12px;outline:none;
  box-shadow: var(--shadow2);
}
textarea{min-height:165px;resize:vertical}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row-slim{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}
.note{
  margin:10px 0;
  border:1px dashed rgba(58,167,255,.28);
  background: rgba(58,167,255,.08);
  padding:10px 12px;border-radius:16px;color:rgba(11,27,43,.78);
}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.switch{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}
.switch input{display:none}
.slider{
  width:44px;height:26px;border-radius:999px;
  background: rgba(11,27,43,.14);
  border:1px solid var(--line);
  position:relative;
}
.slider:after{
  content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:999px;
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow2);
  transition: transform .18s ease;
}
.switch input:checked + .slider{
  background: rgba(58,167,255,.30);
  border-color: rgba(58,167,255,.28);
}
.switch input:checked + .slider:after{transform: translateX(18px)}
.switch-text{font-weight:850;color:rgba(11,27,43,.78);font-size:13px}

.ad-wrap{
  margin:14px 0;border:1px solid var(--line);border-radius:var(--radius);
  padding:10px;background: rgba(255,255,255,.70);box-shadow: var(--shadow2);
}

.section{padding:18px 0}
.section.soft{padding:18px 0;border-radius:var(--radius)}
.section-head{margin-bottom:10px}
.section-head h2{margin:0 0 6px}
.section-head p{margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:14px;box-shadow: var(--shadow2);
}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted)}

.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;align-items:start}
.mini-panel{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:14px;box-shadow: var(--shadow2);
}
.mini-title{font-weight:950;margin-bottom:6px}
.steps{margin:10px 0 0;color:var(--muted)}
.steps li{margin:6px 0}
.pill-grid{display:flex;flex-wrap:wrap;gap:8px}
.pill-grid span{
  font-size:12px;padding:8px 10px;border-radius:999px;
  border:1px solid rgba(58,167,255,.18);
  background: rgba(255,255,255,.74);
  color:rgba(11,27,43,.72);
  box-shadow: var(--shadow2);
}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.check{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:12px;background: rgba(255,255,255,.74);
  color:rgba(11,27,43,.78);box-shadow: var(--shadow2);font-weight:750;
}
.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.example{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:14px;box-shadow: var(--shadow2);
}
.ex-label{font-size:12px;color:var(--muted);font-weight:850;margin-bottom:6px}
.ex-box{
  border:1px solid rgba(11,27,43,.10);
  background: rgba(244,251,255,.9);
  border-radius:14px;padding:10px;
  color:rgba(11,27,43,.86);
}

.faq-box details{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:10px 12px;margin-bottom:10px;box-shadow: var(--shadow2);
}
.faq-box summary{cursor:pointer;font-weight:900}
.faq-box p{margin:8px 0 0;color:var(--muted)}

.footer{
  border-top:1px solid var(--line);
  background: rgba(255,255,255,.65);
  padding:18px 0;margin-top:6px;
}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
.footer-title{font-weight:950}
.footer-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.footer-links a{color:var(--muted);font-weight:800}
.footer-links a:hover{color:var(--text)}
.footer-bottom{padding-top:12px}

.page{padding:22px 0 40px}
.page h1{font-size:32px}
.page h2{margin-top:18px}
.page ul{color:var(--muted)}
.contact-card{
  margin-top:14px;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px;background: rgba(255,255,255,.74);
  box-shadow: var(--shadow2);
}

.result{padding:22px 0 40px}
.result-head{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;flex-wrap:wrap}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:12px 0 14px}
.stat{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:12px;box-shadow: var(--shadow2);
}
.k{font-size:12px;color:var(--muted);font-weight:900}
.v{font-size:20px;font-weight:950;margin-top:4px}
.compare{display:grid;gap:14px}
.label{font-size:12px;color:var(--muted);font-weight:900;margin-bottom:8px}
.box{
  border:1px solid var(--line);border-radius:var(--radius);
  background: rgba(255,255,255,.74);
  padding:12px;box-shadow: var(--shadow2);
  white-space:pre-wrap;word-wrap:break-word;min-height:220px;
}
.hl{padding:0 4px;border-radius:10px;font-weight:950}
.hl1{background:rgba(58,167,255,.20);border:1px solid rgba(58,167,255,.22)}
.hl2{background:rgba(93,211,255,.22);border:1px solid rgba(93,211,255,.22)}
.hl3{background:rgba(125,211,252,.22);border:1px solid rgba(125,211,252,.22)}
.hl4{background:rgba(147,197,253,.24);border:1px solid rgba(147,197,253,.22)}
.hl5{background:rgba(191,219,254,.35);border:1px solid rgba(147,197,253,.22)}
.hl6{background:rgba(224,242,254,.65);border:1px solid rgba(93,211,255,.22)}

.sr-only{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .trust-row{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:620px){
  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .example-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
}