:root{
  --rk-bg:#FDFEFF;
  --rk-soft:#F1F3FA;
  --rk-text:#1E2238;
  --rk-muted:#5B6482;
  --rk-cyan:#00CFE8;
  --rk-indigo:#3F51B5;
  --rk-deep:#0E1220;
  --rk-line:rgba(63,81,181,.10);
  --rk-shadow:0 18px 55px rgba(30,34,56,.12);
  --rk-shadow-soft:0 10px 30px rgba(30,34,56,.08);
  --rk-grad:linear-gradient(135deg,#00CFE8,#3F51B5);
  --rk-radius:26px;
  --rk-max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--rk-text);
  background:
    radial-gradient(circle at top right, rgba(0,207,232,.10), transparent 24%),
    linear-gradient(180deg,#FDFEFF 0%,#F8FBFF 55%,#F1F3FA 100%);
  line-height:1.55;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:var(--rk-indigo)}
.container{width:min(100% - 24px, var(--rk-max));margin:auto}

.rk-top{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rk-line);
}
.rk-top-inner{
  min-height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.rk-brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--rk-text)}
.rk-brand-mark{
  width:48px;height:48px;border-radius:14px;overflow:hidden;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(0,207,232,.18),rgba(63,81,181,.18));
  box-shadow:var(--rk-shadow-soft);
}
.rk-brand small{display:block;color:var(--rk-muted);font-weight:700}

.rk-main{padding:22px 0 40px}
.rk-step{
  margin-bottom:18px;
  display:flex;gap:10px;flex-wrap:wrap;
}
.rk-step-pill{
  min-height:38px;padding:0 14px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;border:1px solid var(--rk-line);background:#fff;color:var(--rk-indigo);
}
.rk-step-pill.active{background:var(--rk-grad);color:#fff;border-color:transparent}

.rk-hero{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:18px;
  align-items:stretch;
  margin-bottom:16px;
}
@media(max-width:980px){.rk-hero{grid-template-columns:1fr}}

.rk-panel{
  background:rgba(255,255,255,.96);
  border:1px solid var(--rk-line);
  border-radius:var(--rk-radius);
  box-shadow:var(--rk-shadow);
  overflow:hidden;
}
.rk-panel-body{padding:24px}

.rk-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:999px;
  background:rgba(0,207,232,.10);color:var(--rk-indigo);
  font-weight:800;margin-bottom:12px;
}
.rk-title{
  margin:0 0 10px;
  font-size:clamp(1.8rem,2.8vw,3rem);
  line-height:1.05;
  max-width:760px;
}
.rk-sub{
  margin:0 0 14px;
  color:var(--rk-muted);
  max-width:780px;
}

.rk-btn-row{display:flex;flex-wrap:wrap;gap:12px}
.rk-btn{
  min-height:46px;padding:0 18px;border:none;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;cursor:pointer;
}
.rk-btn-primary{
  background:var(--rk-grad);
  color:#fff;
  box-shadow:0 14px 30px rgba(63,81,181,.18);
}
.rk-btn-secondary{
  background:#fff;color:var(--rk-indigo);border:1px solid var(--rk-line);
}

.rk-list{list-style:none;padding:0;margin:0}
.rk-list li{
  position:relative;padding-left:22px;margin:0 0 8px;
  color:var(--rk-text);font-weight:700;
}
.rk-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--rk-cyan);font-weight:900;
}

.rk-trust-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:16px;
}
@media(max-width:900px){.rk-trust-strip{grid-template-columns:1fr}}
.rk-trust{
  background:#fff;
  border:1px solid var(--rk-line);
  border-radius:18px;
  box-shadow:var(--rk-shadow-soft);
  padding:16px;
}
.rk-trust strong{
  display:block;
  color:var(--rk-indigo);
  margin-bottom:6px;
}

.rk-form-shell{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}

.rk-section{
  background:rgba(255,255,255,.96);
  border:1px solid var(--rk-line);
  border-radius:24px;
  box-shadow:var(--rk-shadow-soft);
  overflow:hidden;
}
.rk-section-head{
  padding:16px 18px;
  border-bottom:1px solid var(--rk-line);
  background:linear-gradient(180deg,rgba(248,251,255,.98),rgba(255,255,255,.98));
}
.rk-section-head h2{
  margin:0 0 6px;
  font-size:1.1rem;
}
.rk-section-head p{
  margin:0;
  color:var(--rk-muted);
  font-size:.95rem;
}
.rk-section-body{
  padding:18px;
}

.rk-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:14px;
}
.col-12{grid-column:span 12}
.col-8{grid-column:span 8}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}
.col-3{grid-column:span 3}
@media(max-width:980px){
  .col-8,.col-6,.col-4,.col-3{grid-column:span 12}
}

.rk-field label{
  display:block;
  margin:0 0 6px;
  color:var(--rk-text);
  font-size:.92rem;
  font-weight:800;
}
.rk-field small{
  display:block;
  margin-top:6px;
  color:var(--rk-muted);
}
.rk-input,.rk-select,.rk-textarea{
  width:100%;
  min-height:48px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(63,81,181,.14);
  background:#FCFDFF;
  color:var(--rk-text);
  outline:none;
}
.rk-input:focus,.rk-select:focus,.rk-textarea:focus{
  border-color:rgba(0,207,232,.85);
  box-shadow:0 0 0 4px rgba(0,207,232,.12);
}
.rk-textarea{min-height:120px;resize:vertical}

.rk-check{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 14px;background:rgba(255,255,255,.82);
  border:1px solid var(--rk-line);border-radius:16px;
}

.rk-submit-bar{
  position:sticky;
  bottom:10px;
  z-index:20;
  margin-top:4px;
}
.rk-submit-inner{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border:1px solid var(--rk-line);
  border-radius:20px;
  box-shadow:var(--rk-shadow);
  padding:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.rk-submit-note{
  color:var(--rk-muted);
  font-size:.92rem;
}

.rk-card{
  background:#fff;
  border:1px solid var(--rk-line);
  border-radius:20px;
  box-shadow:var(--rk-shadow-soft);
  padding:18px;
}
.rk-kpi{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
@media(max-width:980px){.rk-kpi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.rk-kpi{grid-template-columns:1fr}}
.rk-kpi .rk-card strong{
  display:block;
  color:var(--rk-indigo);
  font-size:1.6rem;
  line-height:1;
  margin-bottom:8px;
}

.rk-share{
  margin-top:16px;
  padding:18px;
  border-radius:20px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--rk-line);
  box-shadow:var(--rk-shadow-soft);
}
.rk-share h3{margin:0 0 8px}
.rk-share-url{
  word-break:break-all;
  background:#fff;
  border:1px solid var(--rk-line);
  border-radius:14px;
  padding:12px 14px;
  margin:10px 0 12px;
  color:var(--rk-indigo);
  font-weight:700;
}
.rk-share-links{
  display:flex;flex-wrap:wrap;gap:10px;
}
.rk-share-links a,
.rk-share-links button{
  min-height:44px;padding:0 14px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--rk-line);
  font-weight:800;color:var(--rk-indigo);cursor:pointer;
}

.rk-success{
  padding:22px;
  border-radius:24px;
  background:linear-gradient(135deg,rgba(0,207,232,.10),rgba(63,81,181,.10));
  border:1px solid var(--rk-line);
}
.rk-note{color:var(--rk-muted);font-size:.92rem}

.rk-feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
@media(max-width:920px){.rk-feature-grid{grid-template-columns:1fr}}
.rk-feature{
  background:#fff;
  border:1px solid var(--rk-line);
  border-radius:22px;
  box-shadow:var(--rk-shadow-soft);
  padding:20px;
}
.rk-feature-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(0,207,232,.18),rgba(63,81,181,.18));
  margin-bottom:10px;
}

.rk-faq{margin-top:14px}
.rk-faq details{
  background:#fff;border:1px solid var(--rk-line);border-radius:18px;
  padding:16px 18px;margin:0 0 10px;box-shadow:var(--rk-shadow-soft);
}
.rk-faq summary{
  cursor:pointer;font-weight:800;color:var(--rk-text);
}

.rk-footer{
  padding:24px 0 40px;
  color:var(--rk-muted);
}