:root{--bg:#f7f8fc;--surface:#fff;--text:#101828;--muted:#667085;--line:#e4e7ec;--primary:#5b5cf0;--accent:#8b5cf6;--success:#12b76a;--shadow:0 18px 50px rgba(16,24,40,.10);--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:radial-gradient(circle at 10% 0%,rgba(91,92,240,.08),transparent 28%),radial-gradient(circle at 90% 5%,rgba(139,92,246,.08),transparent 24%),var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 36px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,231,236,.9)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:20px;letter-spacing:-.5px}.brand-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 8px 20px rgba(91,92,240,.25)}
.gradient-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:26px}.nav-links a{font-size:14px;font-weight:750;color:#475467}.nav-links a:hover{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}.btn{border:0;border-radius:13px;padding:11px 16px;font-weight:800;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 8px 20px rgba(91,92,240,.22)}.btn-primary:hover{transform:translateY(-1px)}.btn-soft{background:#eef0ff;color:#4445d8}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;width:44px;height:44px;border-radius:12px;font-size:20px}
.drawer{display:none!important;visibility:hidden;opacity:0;pointer-events:none;position:fixed;inset:68px 0 auto 0;z-index:999;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 35px rgba(16,24,40,.12)}.drawer.open{display:block!important;visibility:visible;opacity:1;pointer-events:auto}.drawer-inner{width:min(calc(100% - 24px),1160px);margin:auto;padding:12px;display:grid;gap:4px}.drawer a{padding:13px 12px;border-radius:10px;font-weight:800}.drawer a:hover{background:#f2f4f7}
.hero{padding:72px 0 34px;text-align:center}.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#eef0ff;color:#4445d8;font-size:12px;font-weight:850}.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(18,183,106,.12)}.hero h1{margin:18px auto 14px;max-width:850px;font-size:clamp(40px,6vw,68px);line-height:1.02;letter-spacing:-3.5px}.hero p{max-width:720px;margin:auto;color:var(--muted);font-size:18px}.trust-row{margin-top:22px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.trust-pill{padding:7px 11px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#667085;font-size:12px;font-weight:700}.ad-slot{min-height:92px;border:1px dashed #d0d5dd;background:rgba(255,255,255,.7);border-radius:16px;display:grid;place-items:center;color:#98a2b3;font-size:11px;letter-spacing:.4px}
.tool-wrap{padding:20px 0 44px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}.tool-top{padding:26px;border-bottom:1px solid var(--line)}.tool-top h2{margin:0;font-size:20px}.tool-top p{margin:5px 0 0;color:var(--muted);font-size:14px}.controls{padding:22px 26px;display:grid;grid-template-columns:1fr 1fr auto auto;gap:12px;align-items:end}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:12px;font-weight:850;color:#344054}.field input{width:100%;height:48px;border:1px solid #d0d5dd;border-radius:13px;padding:0 14px;outline:none;background:#fff}.field input:focus{border-color:#8b8df7;box-shadow:0 0 0 4px rgba(91,92,240,.1)}.controls .btn{height:48px}
.stage{padding:8px 26px 28px}.dice-stage{min-height:190px;border-radius:22px;background:radial-gradient(circle at 50% 0%,rgba(91,92,240,.08),transparent 45%),#f8f9fc;border:1px solid #eaecf0;display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;padding:24px}.die{width:86px;height:86px;border-radius:20px;display:grid;place-items:center;background:#fff;border:1px solid #d9dcff;color:#3f3fc7;font-size:30px;font-weight:950;box-shadow:0 12px 28px rgba(91,92,240,.15);animation:dieIn .24s ease}@keyframes dieIn{from{opacity:0;transform:translateY(8px) scale(.86) rotate(-5deg)}to{opacity:1;transform:none}}
.result-panel{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;margin-top:14px;padding:20px 22px;background:#101828;color:#fff;border-radius:18px}.result-label{color:#98a2b3;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.7px}.total{font-size:42px;line-height:1;font-weight:950;margin-top:3px}.result-meta{color:#cfd4dc;font-size:13px;margin-top:7px}.copy-btn{background:#fff;color:#101828;border-radius:12px;padding:10px 13px;border:0;font-weight:800}
.history{padding:0 26px 28px}.history-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.history h3{margin:0;font-size:14px}.history-list{border:1px solid var(--line);border-radius:16px;overflow:hidden}.history-item{display:flex;justify-content:space-between;padding:12px 14px;background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:#667085}.history-item:last-child{border-bottom:0}.history-item strong{color:#101828}
.section{padding:52px 0}.section-head{text-align:center;max-width:700px;margin:0 auto 28px}.section-head h2{font-size:34px;line-height:1.1;letter-spacing:-1.4px;margin:0 0 10px}.section-head p{margin:0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 2px 8px rgba(16,24,40,.05)}.card h2,.card h3{margin:0 0 8px}.card p{margin:0;color:var(--muted);font-size:14px}.tool-link{display:block;height:100%;transition:.18s}.tool-link:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eef0ff;color:#4b4cdc;margin-bottom:14px}
.faq{max-width:800px}.faq details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 18px;margin:10px 0}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted);font-size:14px}.breadcrumb{padding-top:22px;color:#667085;font-size:13px}.muted{color:var(--muted)}
.site-footer{margin-top:55px;background:#101828;color:#98a2b3;padding:48px 0 28px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{color:#fff}.footer-title{color:#fff;font-weight:850;margin-bottom:10px}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #273142;margin-top:32px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:20px}.prose{max-width:850px;margin:40px auto}.prose h1{font-size:48px;line-height:1.05;letter-spacing:-2px}.prose h2{margin-top:30px}.prose p,.prose li{color:#475467}
@media(max-width:900px){.nav-links{display:none}.menu-btn{display:grid;place-items:center}.controls{grid-template-columns:1fr 1fr}.controls .btn{width:100%}.grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:calc(100% - 24px)}.navbar{height:68px}.hero{padding:48px 0 24px}.hero h1{font-size:42px;letter-spacing:-2.3px}.hero p{font-size:16px}.controls{grid-template-columns:1fr}.tool-card{border-radius:22px}.tool-top,.controls,.history{padding-left:16px;padding-right:16px}.stage{padding-left:16px;padding-right:16px}.dice-stage{min-height:160px;padding:18px}.die{width:68px;height:68px;border-radius:16px;font-size:24px}.result-panel{grid-template-columns:1fr}.copy-btn{width:100%}.grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}