:root{--bg: #0b0f1a;--panel: #0f1524;--text: #e6e9f0;--muted: #99a2b3;--primary: #4ea1ff;--accent: #7ae7ff;--border: #1b2340;--card: #101728;--cta-gradient-end: #5fd4ff;--cta-text: #08101e;--navbar-bg: rgba(11, 15, 26, .95);--hero-bg-start: rgba(78, 161, 255, .05);--hero-bg-end: rgba(122, 231, 255, .05);--primary-alpha-15: rgba(78, 161, 255, .15);--primary-alpha-10: rgba(78, 161, 255, .1);--shadow-dark: rgba(0, 0, 0, .3);--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--text-5xl: 3.5rem}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:var(--text-base);line-height:1.6;overflow-x:hidden;padding-top:80px}a,a:hover,a:focus,a:active{text-decoration:none}a:active{color:inherit}.btn{border:1px solid var(--border);background:var(--panel);color:var(--text);padding:12px 20px;border-radius:8px;cursor:pointer;text-decoration:none;transition:all .2s ease;font-size:var(--text-sm);font-weight:500}.btn:hover{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-alpha-15) inset}.btn.ghost{background:transparent}.btn.link{background:transparent;border:none;color:var(--primary)}.btn.cta{background:linear-gradient(135deg,var(--primary),var(--cta-gradient-end));border:none;color:var(--cta-text);font-weight:700}.btn.cta:hover{filter:brightness(1.05)}.navbar{position:fixed;top:0;left:0;right:0;background:var(--navbar-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:1000;height:80px}.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}.nav-logo{width:32px;height:32px}.nav-title{font-size:var(--text-xl);font-weight:600;color:var(--text)}.nav-links{display:flex;gap:32px;align-items:center}.nav-link{color:var(--muted);text-decoration:none;font-size:var(--text-base);font-weight:500;transition:color .2s ease;position:relative}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link.active:after{content:"";position:absolute;bottom:-8px;left:0;right:0;height:2px;background:var(--primary);border-radius:1px}.app{min-height:calc(100vh - 80px);padding:0}.page{max-width:1200px;margin:0 auto;padding:48px 24px}.hero{text-align:center;padding:64px 32px;background:linear-gradient(135deg,var(--hero-bg-start),var(--hero-bg-end));border-radius:16px;margin-bottom:64px}.hero-title{font-size:var(--text-5xl);font-weight:700;margin-bottom:24px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.hero-subtitle{font-size:var(--text-xl);color:var(--muted);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:24px;margin-top:32px}.tool-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:all .3s ease;cursor:pointer}.tool-card:hover{border-color:var(--primary);box-shadow:0 8px 32px var(--primary-alpha-15);transform:translateY(-4px)}.tool-name{font-size:var(--text-2xl);font-weight:600;margin-bottom:16px;color:var(--text)}.tool-desc{color:var(--muted);font-size:var(--text-base);margin-bottom:24px;line-height:1.6}.tool-tags{display:flex;gap:8px;flex-wrap:wrap}.tool-tag{background:var(--primary-alpha-10);color:var(--primary);padding:4px 12px;border-radius:20px;font-size:var(--text-sm);font-weight:500}.detail-header{margin-bottom:32px}.detail-title{font-size:var(--text-4xl);font-weight:700;margin-bottom:16px;color:var(--text)}.detail-desc{font-size:var(--text-lg);color:var(--muted);line-height:1.6}.detail-content{display:grid;grid-template-columns:2fr 1fr;gap:32px;margin-bottom:32px}.detail-main,.detail-sidebar{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px}.section-title{font-size:var(--text-2xl);font-weight:600;margin-bottom:16px;color:var(--text)}.feature-list{list-style:none;padding:0}.feature-item{border-bottom:1px solid var(--border);color:var(--muted);font-size:var(--text-base);position:relative;padding:12px 0 12px 24px}.feature-item:last-child{border-bottom:none}.feature-item:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}.detail-actions{display:flex;gap:16px;flex-wrap:wrap}.contact-content{max-width:600px;margin:0 auto;text-align:center}.contact-title{font-size:var(--text-4xl);font-weight:700;margin-bottom:24px;color:var(--text)}.contact-desc{font-size:var(--text-lg);color:var(--muted);margin-bottom:32px}.contact-email{font-size:var(--text-xl);color:var(--primary);text-decoration:none;font-weight:600}.contact-email:hover{color:var(--accent)}.toast{position:fixed;top:100px;right:24px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:16px 20px;color:var(--text);box-shadow:0 8px 32px var(--shadow-dark);z-index:2000;transform:translate(100%);transition:transform .3s ease}.toast.show{transform:translate(0)}@media (max-width: 768px){.nav-container{padding:0 16px}.nav-links{gap:16px}.nav-title{display:none}.hero{padding:48px 16px;margin-bottom:48px}.hero-title{font-size:var(--text-4xl)}.hero-subtitle{font-size:var(--text-lg)}.page{padding:24px 16px}.tools-grid{grid-template-columns:1fr;gap:16px}.tool-card{padding:20px}.detail-content{grid-template-columns:1fr;gap:24px}.detail-actions{justify-content:center}}