*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:#1a1a2e;-webkit-font-smoothing:antialiased;background:#fafbfc;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}.container{max-width:1120px;margin:0 auto;padding:0 24px}a{color:inherit;text-decoration:none}img{max-width:100%}.nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fafbfceb;border-bottom:1px solid #0000000f;position:fixed;top:0;left:0;right:0}.nav-inner{justify-content:space-between;align-items:center;height:64px;display:flex}.logo{align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.logo-icon{font-size:24px}.nav-links{align-items:center;gap:28px;font-size:14px;font-weight:500;display:flex}.nav-links a{color:#555;transition:color .2s}.nav-links a:hover{color:#1a1a2e}.btn{border-radius:8px;align-items:center;padding:8px 20px;font-weight:600;transition:all .2s;display:inline-flex}.btn-sm{background:#6c5ce7;border:none;font-size:13px;color:#fff!important}.btn-sm:hover{background:#5a4bd1;transform:translateY(-1px)}.hero{text-align:center;padding:140px 0 80px}.hero h1{letter-spacing:-.02em;font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.1}.gradient-text{background:linear-gradient(135deg,#4361ee,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-sub{color:#555;max-width:620px;margin:20px auto 32px;font-size:18px;line-height:1.7}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.store-badge{transition:transform .2s}.store-badge:hover{transform:translateY(-2px)}.hero-note{color:#888;margin-top:20px;font-size:13px}.features{background:#fff;padding:80px 0}.section-title{text-align:center;letter-spacing:-.01em;font-size:clamp(28px,4vw,40px);font-weight:800}.section-sub{text-align:center;color:#666;max-width:560px;margin:12px auto 48px;font-size:16px}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;display:grid}.feature-card{background:#fafbfc;border:1px solid #eee;border-radius:14px;padding:28px;transition:all .25s;position:relative}.feature-card:hover{border-color:#ddd;transform:translateY(-2px);box-shadow:0 4px 20px #0000000d}.feature-icon{margin-bottom:12px;font-size:32px}.feature-card h3{margin-bottom:6px;font-size:17px;font-weight:700}.feature-card p{color:#555;font-size:14px;line-height:1.65}.feature-link{color:#4361ee;margin-top:10px;font-size:13px;font-weight:600;display:inline-block}.feature-link:hover{text-decoration:underline}.feature-coming-soon{background:linear-gradient(135deg,#f0f0ff,#f5f0ff);border-color:#d5d0ef}.coming-soon-badge{color:#fff;text-transform:uppercase;letter-spacing:.04em;background:linear-gradient(135deg,#4361ee,#7c3aed);border-radius:20px;padding:4px 10px;font-size:11px;font-weight:700;position:absolute;top:14px;right:14px}.how-to{padding:80px 0}.guide-list{max-width:720px;margin:0 auto}.guide-item{border-bottom:1px solid #eee;gap:20px;padding:24px 0;display:flex}.guide-item:last-child{border-bottom:none}.guide-number{color:#fff;background:#1a1a2e;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;font-weight:700;display:flex}.guide-coming-soon .guide-number{background:linear-gradient(135deg,#4361ee,#7c3aed);font-size:20px;color:#fff!important}.guide-content h3{margin-bottom:4px;font-size:16px;font-weight:700}.guide-content p{color:#555;font-size:14px;line-height:1.65}.badge-inline{text-transform:uppercase;vertical-align:middle;letter-spacing:.05em;background:linear-gradient(135deg,#4361ee,#7c3aed);border-radius:20px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block;color:#fff!important}.security{color:#e6edf3;background:#0d1117;padding:80px 0}.security .section-title{color:#fff}.security .section-sub{color:#8b949e}.security-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-bottom:32px;display:grid}.security-card{background:#ffffff0a;border:1px solid #ffffff14;border-radius:14px;padding:24px;transition:all .25s}.security-card:hover{background:#ffffff12;border-color:#ffffff1f}.security-icon{margin-bottom:10px;font-size:28px}.security-card h3{color:#fff;margin-bottom:6px;font-size:16px;font-weight:700}.security-card p{color:#8b949e;font-size:14px;line-height:1.65}.security-card strong{color:#e6edf3}.security-summary{background:#4361ee1a;border:1px solid #4361ee33;border-radius:12px;padding:20px 24px}.security-summary p{color:#c9d1d9;font-size:14px;line-height:1.7}.security-summary strong{color:#fff}.cta{text-align:center;background:linear-gradient(135deg,#f0f0ff,#fafbfc);padding:80px 0}.cta h2{font-size:clamp(28px,4vw,40px);font-weight:800}.cta p{color:#666;margin:12px 0 28px;font-size:16px}.footer{border-top:1px solid #eee;padding:40px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer-brand{font-size:16px;font-weight:700}.footer-copy{color:#999;margin-top:2px;font-size:12px;font-weight:400}.footer-links{color:#666;gap:24px;font-size:13px;display:flex}.footer-links a:hover{color:#1a1a2e}@media (max-width:640px){.nav-links a:not(.btn){display:none}.feature-grid,.security-grid{grid-template-columns:1fr}.hero{padding:120px 0 60px}.guide-item{flex-direction:column;gap:12px}.footer-inner{text-align:center;flex-direction:column}}