/* FluxAI — Emerald AI Platform */
:root{--pri:#059669;--pri-d:#047857;--pri-l:#34d399;--bg:#ecfdf5;--card:#fff;--text:#022c22}
*,::before,::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Inter","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:#1e293b;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}

.nav{position:fixed;top:.8rem;left:50%;transform:translateX(-50%);z-index:50;width:calc(100%-2rem);max-width:1100px;background:rgba(255,255,255,.75);backdrop-filter:blur(24px);border:1px solid rgba(5,150,105,.1);border-radius:50px;padding:.6rem 1.8rem;display:flex;justify-content:space-between;align-items:center;transition:all .3s}
.nav.scrolled{background:rgba(255,255,255,.92);box-shadow:0 8px 32px rgba(5,150,105,.12)}
.nav .nl{display:flex;gap:1.5rem;align-items:center}.nav .nl a{text-decoration:none;font-weight:600;font-size:.8rem;color:#475569;transition:color .2s}.nav .nl a:hover,.nav .nl a.active{color:var(--pri)}
.nav-cta{padding:.45rem 1.2rem;background:var(--pri);color:#fff!important;border-radius:50px;font-weight:700!important;font-size:.78rem!important;transition:all .25s!important}.nav-cta:hover{background:var(--pri-d);box-shadow:0 6px 20px rgba(5,150,105,.3)}
#mt{display:none;background:none;border:none;font-size:1.2rem;cursor:pointer}

.hero{min-height:90vh;display:flex;align-items:center;padding:6rem 2rem 3rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(5,150,105,.07) 0%,transparent 70%);top:-100px;right:-150px}
.hero .hi{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;position:relative;z-index:1}
.hero .hbadge{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .9rem;background:rgba(5,150,105,.06);border:1px solid rgba(5,150,105,.12);border-radius:50px;font-size:.73rem;font-weight:700;color:var(--pri)}
.hero h1{font-size:3.2rem;font-weight:900;color:#0f172a;line-height:1.1;margin:1rem 0}
.hero .gr{background:linear-gradient(135deg,var(--pri),#10b981);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:#64748b;line-height:1.7;margin-bottom:2rem;max-width:430px}
.hero-visual{background:#fff;border-radius:24px;padding:1.8rem;box-shadow:0 24px 64px rgba(5,150,105,.08);border:1px solid rgba(5,150,105,.08)}
.hero-visual .hv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;text-align:center}
.hv-grid .hvc{padding:.8rem .4rem;background:#ecfdf5;border-radius:12px}.hvc .hvcn{font-size:1.2rem;font-weight:900;color:var(--text)}.hvc .hvcl{font-size:.6rem;color:#64748b;font-weight:600}

.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.8rem 1.8rem;border-radius:12px;font-weight:700;font-size:.9rem;text-decoration:none;transition:all .25s}
.btn-pri{background:var(--pri);color:#fff;box-shadow:0 8px 24px rgba(5,150,105,.3)}.btn-pri:hover{background:var(--pri-d);transform:translateY(-2px)}
.btn-out{background:#fff;color:var(--text);border:2px solid#d1fae5}.btn-out:hover{border-color:var(--pri)}

.st{text-align:center;margin-bottom:3rem}.st h2{font-size:2.3rem;font-weight:900;color:#0f172a}.st .hl{color:var(--pri)}.st p{color:#64748b}

#features{padding:5rem 2rem;background:#fff}
#features .fg{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;max-width:1100px;margin:0 auto}
#features .fc{background:#ecfdf5;border-radius:18px;padding:1.5rem;text-align:center;border:1px solid#d1fae5;transition:all .3s}
#features .fc:hover{background:#fff;border-color:var(--pri);transform:translateY(-5px);box-shadow:0 12px 36px rgba(5,150,105,.06)}
#features .fc .fci{font-size:1.6rem;color:var(--pri);margin-bottom:.6rem}

#stats{padding:4rem 2rem;background:linear-gradient(135deg,#022c22,#064e3b,#047857);text-align:center}
#stats .sg{display:grid;grid-template-columns:repeat(4,1fr);gap:2.5rem;max-width:1000px;margin:0 auto}

#testimonials{padding:5rem 2rem;background:var(--bg)}
#testimonials .tg{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:1100px;margin:0 auto}

#faq{padding:5rem 2rem;background:#fff}
#faq .fw{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:.5rem}
#faq .fi{border:1px solid#d1fae5;border-radius:14px;overflow:hidden;background:#f0fdf4}

#cta{padding:5rem 2rem;background:linear-gradient(135deg,#022c22,#065f46);text-align:center}

footer{background:#0f172a;color:#94a3b8;padding:3rem 2rem 1.5rem}
footer .fg{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;max-width:1100px;margin:0 auto 2rem}

/* About */
.about-hero{min-height:45vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:6rem 2rem 3rem;background:linear-gradient(180deg,var(--bg),#fff)}
.about-section{padding:3.5rem 2rem}.about-section.w{background:#fff}
.about-2col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;max-width:1100px;margin:0 auto}

@media(max-width:768px){
  .nav{border-radius:28px;width:calc(100%-1rem)}.nav .nl{display:none}#mt{display:block}
  .hero .hi{grid-template-columns:1fr}.hero h1{font-size:2.2rem}
  #features .fg{grid-template-columns:repeat(2,1fr)}#stats .sg{grid-template-columns:repeat(2,1fr)}
  #testimonials .tg{grid-template-columns:1fr}footer .fg{grid-template-columns:1fr 1fr}
  .about-2col{grid-template-columns:1fr}
}