body{margin:0;background:#edf4fb;color:#172554;font-family:"Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.45}
*{box-sizing:border-box}
a{color:inherit}
.wrap{max-width:1280px;margin:0 auto;padding:24px}
.app-shell{background:#f8fbff;border:1px solid #dce8f5;border-radius:24px;box-shadow:0 18px 50px rgba(38,83,130,.12);overflow:hidden}
.topbar{min-height:70px;display:flex;align-items:center;gap:18px;padding:0 28px;background:#fff;border-bottom:1px solid #e5edf6}
.brand{display:flex;align-items:center;gap:10px;color:#172554;font-size:21px;font-weight:800;text-decoration:none}
.brand-mark{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:#1671e8;color:#fff;font-size:15px}
.brand small{display:block;margin-top:2px;color:#7890aa;font-size:10px;font-weight:500}
.top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.top-btn{display:inline-flex;align-items:center;border:0;background:transparent;color:#244b7c;font-size:14px;cursor:pointer;padding:8px 10px;border-radius:8px;text-decoration:none}
.top-btn:hover{background:#eef5ff}
.hero{position:relative;min-height:430px;padding:48px 40px;background:linear-gradient(90deg,rgba(12,42,74,.9),rgba(22,65,101,.66),rgba(22,65,101,.38)),linear-gradient(135deg,#9ec6e2,#d8eaf8);color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:74px 74px;opacity:.45}
.hero>*{position:relative;z-index:1}
.kicker{margin:0 0 18px;color:rgba(255,255,255,.75);font-size:10px;text-transform:uppercase;letter-spacing:.15em;font-weight:600}
.hero h1{max-width:860px;margin:0;font-size:clamp(34px,5vw,66px);line-height:.98;letter-spacing:-.055em}
.hero p{max-width:760px;margin:20px 0 0;color:rgba(255,255,255,.88);font-size:17px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.btn{border:0;border-radius:10px;padding:12px 18px;cursor:pointer;text-decoration:none;font-weight:700}
.primary{background:#0b63ce;color:#fff}
.secondary{background:#fff;color:#173a63;border:1px solid #9cb4ce}
.content{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:0}
.main{padding:28px}
.rightbar{padding:24px 18px;background:#fff;border-left:1px solid #e4edf6}
.panel{padding:16px;margin-bottom:14px;border:1px solid #e0eaf4;border-radius:13px;background:#fff}
.panel h3{margin:0 0 10px;color:#183b67;font-size:14px}
.panel p,.panel li{color:#52647a;font-size:12px;line-height:1.45}
.panel ul{margin:0;padding-left:18px}
.calc-card{background:#fff;border:1px solid #dfe8f2;border-radius:16px;box-shadow:0 4px 14px rgba(64,105,145,.04);overflow:hidden}
.tabs{display:flex;background:#f2f7fc;border-bottom:1px solid #e4edf6}
.tab{flex:1;padding:15px 12px;background:transparent;border:0;color:#52647a;font-weight:700;cursor:pointer;border-bottom:3px solid transparent}
.tab[aria-selected="true"]{background:#fff;color:#0f5fc8;border-bottom-color:#1671e8}
.calc-body{padding:22px}
.field{display:grid;grid-template-columns:1fr 210px;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid #edf2f7}
.field:last-child{border-bottom:0}
.label{display:block;color:#1e3d66;font-weight:700}
.hint{display:block;margin-top:4px;color:#7087a1;font-size:12px}
.control{display:flex;align-items:center;gap:8px;min-height:44px;background:#f8fbff;border:1px solid #d0dbe8;border-radius:10px;padding:0 12px}
.control:focus-within{border-color:#1671e8;box-shadow:0 0 0 3px rgba(22,113,232,.12)}
.control input,.control select{width:100%;border:0;outline:0;background:transparent;color:#173a63;font-size:16px;font-weight:700;text-align:right}
.control select{text-align:left;font-size:13px}
.suffix{color:#6f8196;font-size:13px;white-space:nowrap}
.rate-toggle{display:inline-flex;padding:3px;margin-bottom:8px;background:#eef5ff;border:1px solid #d7e5f4;border-radius:10px}
.rate-toggle button{border:0;border-radius:8px;background:transparent;color:#52647a;font-size:12px;font-weight:700;padding:7px 10px;cursor:pointer}
.rate-toggle button[aria-pressed="true"]{background:#fff;color:#0f5fc8;box-shadow:0 2px 8px rgba(38,83,130,.08)}
.checkbox-row{display:flex;justify-content:flex-end}.checkbox-row input{width:22px;height:22px;accent-color:#1671e8}
.result{padding:24px 22px;background:#f7fbff;border-top:1px solid #e4edf6}
.result-head{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.result-label{color:#7087a1;font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:700}.amount{font-size:clamp(34px,5vw,46px);line-height:1;font-weight:800;color:#0b63ce}.formula{margin-top:12px;color:#52647a;font-size:13px}.formula code{padding:2px 6px;border-radius:6px;background:#eaf4ff;color:#183b67;border:1px solid #d6e8fb}.basis{margin-top:8px;color:#52647a;font-size:12.5px}.copy-btn{width:100%;margin-top:16px;border:1px solid #9cb4ce;background:#fff;color:#173a63;border-radius:10px;padding:12px;font-weight:700;cursor:pointer}.bridge{margin-top:20px;padding:20px;border-radius:16px;border:1px solid #cfe1f6;background:linear-gradient(135deg,#eff7ff,#fff)}.bridge h2{margin:0 0 6px;font-size:18px;color:#183b67}.bridge p{margin:0 0 14px;color:#52647a}.footer{padding:18px 28px;border-top:1px solid #e4edf6;color:#52647a;font-size:12px;background:#fff}@media(max-width:900px){.content{display:block}.rightbar{border-left:0;border-top:1px solid #e4edf6}.field{grid-template-columns:1fr}.checkbox-row{justify-content:flex-start}.topbar{display:block;padding:14px}.top-actions{margin:12px 0 0}.hero{padding:34px 22px}.main{padding:16px}.wrap{padding:8px}.app-shell{border-radius:16px}}