:root{--bg: #fffaf7;--card: #ffffff;--text: #1d2433;--muted: #5b6579;--accent: #ff5db1;--accent-2: #ffd166;--accent-3: #6ac8ff;--border: #e6e8f0;--shadow: 0 8px 24px rgba(29, 36, 51, .08)}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";background:radial-gradient(1000px 700px at 90% -10%,rgba(255,93,177,.16),transparent 60%),radial-gradient(800px 600px at -10% 20%,rgba(106,200,255,.16),transparent 60%),radial-gradient(900px 700px at 30% 120%,rgba(255,209,102,.18),transparent 60%),var(--bg);background-repeat:no-repeat;background-attachment:fixed,fixed,fixed;color:var(--text);line-height:1.65}.container{max-width:1000px;padding:0 20px;margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:900;font-size:20px;text-decoration:none;color:var(--text)}.section{padding:64px 0}.hero{padding-top:96px;padding-bottom:64px;text-align:center}h1,h2,h3{margin:0 0 12px;font-weight:800;color:#0f172a}h1{font-size:44px;letter-spacing:.2px}h2{font-size:30px}.lead{max-width:760px;margin:12px auto 24px;color:var(--muted);font-size:18px}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:14px;margin-top:12px}.button{display:inline-block;background:var(--card);color:var(--text);border:1px solid var(--border);padding:12px 18px;border-radius:14px;text-decoration:none;font-weight:700;box-shadow:var(--shadow);transition:transform .12s ease,filter .12s ease}.button.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff}.button:hover{filter:brightness(1.03);transform:translateY(-1px)}.hero-actions{display:inline-flex;gap:12px;align-items:center;justify-content:center}.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;list-style:none;padding:0;margin:16px 0 0}.feature-list li{background:var(--card);border:1px solid var(--border);padding:16px 18px;border-radius:16px;box-shadow:var(--shadow)}details{background:var(--card);border:1px solid var(--border);padding:14px 18px;border-radius:16px;margin-top:10px;box-shadow:var(--shadow)}summary{cursor:pointer;font-weight:600}.footer{border-top:1px solid var(--border);padding:24px 0;margin-top:48px;color:var(--muted)}.slider-wrap{background:var(--card);border:1px solid var(--border);padding:20px;border-radius:18px;margin-top:14px;box-shadow:var(--shadow)}.price-display{text-align:center;margin-bottom:10px}#priceValue{font-size:34px;font-weight:900;letter-spacing:.4px;background:linear-gradient(135deg,var(--accent),var(--accent-3));-webkit-background-clip:text;background-clip:text;color:transparent}.slider-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:6px}.price-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:12px}input[type=range]{-webkit-appearance:none;width:100%;height:28px;background:transparent;margin-top:6px}input[type=range]:focus{outline:none}input[type=range]::-webkit-slider-runnable-track{height:8px;background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent-3));border-radius:999px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:-9px;width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 4px 10px #ff5db159}input[type=range]::-moz-range-track{height:8px;background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent-3));border-radius:999px}input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 4px 10px #ff5db159}.section{scroll-margin-top:80px}@media (max-width: 720px){.header-inner{gap:10px}h1{font-size:36px}}.form-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:20px;max-width:520px;margin:16px auto 0}.field{display:grid;gap:6px;margin-bottom:12px}.field label{font-weight:700;font-size:14px;color:var(--text)}.field input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--text);font-size:14px}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px #ff5db126}.actions{display:flex;justify-content:flex-end;margin-top:12px}