*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--brand:#2563eb;
--brand-dark:#1d4ed8;
--brand-light:#eff6ff;
--accent:#f59e0b;
--text:#0f172a;
--text-muted:#64748b;
--text-light:#94a3b8;
--bg:#ffffff;
--bg-soft:#f8fafc;
--bg-card:#ffffff;
--border:#e2e8f0;
--radius:12px;
--radius-lg:20px;
--shadow:0 1px 3px rgba(0,0,0,.08),0 4px 16px rgba(0,0,0,.06);
--shadow-lg:0 8px 32px rgba(37,99,235,.15);
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC',sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}

a{text-decoration:none;color:inherit}

.wa-btn{
display:inline-flex;align-items:center;gap:10px;
background:#25D366;color:#fff;
font-size:16px;font-weight:500;
padding:14px 28px;border-radius:50px;
transition:all .2s ease;
white-space:nowrap;
}
.wa-btn:hover{background:#1ebe5d;transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,211,102,.35)}
.wa-btn svg{width:22px;height:22px;flex-shrink:0}

.btn-primary{
display:inline-flex;align-items:center;gap:8px;
background:var(--brand);color:#fff;
font-size:16px;font-weight:500;
padding:14px 28px;border-radius:50px;
transition:all .2s ease;white-space:nowrap;
}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{
display:inline-flex;align-items:center;gap:8px;
background:transparent;color:var(--brand);
font-size:15px;font-weight:500;
padding:13px 27px;border-radius:50px;
border:1.5px solid var(--brand);
transition:all .2s ease;white-space:nowrap;
}
.btn-outline:hover{background:var(--brand-light)}

nav{
position:sticky;top:0;z-index:100;
background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
border-bottom:1px solid var(--border);
}
.nav-inner{
max-width:1120px;margin:0 auto;
padding:14px 24px;
display:flex;align-items:center;justify-content:space-between;
}
.logo{font-size:18px;font-weight:700;color:var(--brand);letter-spacing:-.3px}
.logo span{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:12px}
@media(max-width:640px){.nav-cta .btn-outline{display:none}}

.hero{
background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#1e40af 100%);
color:#fff;padding:80px 24px 72px;text-align:center;position:relative;overflow:hidden;
}
.hero::before{
content:'';position:absolute;inset:0;
background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner{max-width:760px;margin:0 auto;position:relative}
.hero-badge{
display:inline-flex;align-items:center;gap:6px;
background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.4);
color:#fbbf24;font-size:13px;font-weight:500;
padding:5px 14px;border-radius:50px;margin-bottom:24px;
}
.hero h1{
font-size:clamp(28px,5vw,52px);font-weight:700;
line-height:1.2;letter-spacing:-.5px;margin-bottom:20px;
}
.hero h1 em{
font-style:normal;
background:linear-gradient(90deg,#60a5fa,#a78bfa);
-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.72);max-width:560px;margin:0 auto 36px;line-height:1.7}
.hero-btns{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-stats{
display:flex;justify-content:center;gap:0;margin-top:56px;
border-top:1px solid rgba(255,255,255,.12);padding-top:40px;flex-wrap:wrap;
}
.stat-item{padding:0 32px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:28px;font-weight:700;color:#fff}
.stat-num span{font-size:16px;font-weight:400;color:rgba(255,255,255,.6)}
.stat-label{font-size:13px;color:rgba(255,255,255,.5);margin-top:2px}
@media(max-width:480px){.stat-item{padding:12px 20px;border-right:none}}

.section{padding:72px 24px}
.section-inner{max-width:1120px;margin:0 auto}
.section-tag{
font-size:12px;font-weight:600;letter-spacing:1px;text-transform:uppercase;
color:var(--brand);margin-bottom:10px;
}
.section-title{font-size:clamp(22px,3.5vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.3px;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--text-muted);max-width:560px;line-height:1.7}

.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:48px}
.step-card{
background:var(--bg-card);border:1px solid var(--border);
border-radius:var(--radius-lg);padding:28px 24px;
transition:all .25s ease;position:relative;overflow:hidden;
}
.step-card::before{
content:'';position:absolute;top:0;left:0;right:0;height:3px;
background:linear-gradient(90deg,var(--brand),#818cf8);
transform:scaleX(0);transform-origin:left;transition:.3s ease;
}
.step-card:hover{box-shadow:var(--shadow);border-color:#bfdbfe;transform:translateY(-3px)}
.step-card:hover::before{transform:scaleX(1)}
.step-num{
width:36px;height:36px;border-radius:10px;
background:var(--brand-light);color:var(--brand);
font-size:15px;font-weight:700;
display:flex;align-items:center;justify-content:center;
margin-bottom:16px;
}
.step-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-muted);line-height:1.65}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:48px}
.feat-card{
background:var(--bg-soft);border-radius:var(--radius-lg);
padding:28px 24px;display:flex;gap:16px;align-items:flex-start;
border:1px solid transparent;transition:all .25s;
}
.feat-card:hover{background:#fff;border-color:var(--border);box-shadow:var(--shadow)}
.feat-icon{
width:44px;height:44px;border-radius:12px;flex-shrink:0;
display:flex;align-items:center;justify-content:center;font-size:20px;
}
.feat-icon.blue{background:#dbeafe}
.feat-icon.green{background:#dcfce7}
.feat-icon.amber{background:#fef3c7}
.feat-icon.purple{background:#ede9fe}
.feat-icon.teal{background:#ccfbf1}
.feat-icon.red{background:#fee2e2}
.feat-card h3{font-size:15px;font-weight:600;margin-bottom:6px}
.feat-card p{font-size:14px;color:var(--text-muted);line-height:1.6}

.platforms{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:40px 24px;overflow:hidden}
.platforms-inner{max-width:1120px;margin:0 auto;text-align:center}
.platforms-inner p{font-size:13px;color:var(--text-light);margin-bottom:20px;letter-spacing:.5px;text-transform:uppercase;font-weight:500}
.platform-logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 16px}
.plat-pill{
display:inline-flex;align-items:center;gap:6px;
background:#fff;border:1px solid var(--border);
border-radius:50px;padding:7px 16px;
font-size:13px;font-weight:500;color:var(--text-muted);
}

.stats-row{
background:linear-gradient(135deg,var(--brand),#4f46e5);
padding:64px 24px;color:#fff;text-align:center;
}
.stats-row-inner{max-width:900px;margin:0 auto}
.stats-row h2{font-size:clamp(20px,3vw,30px);font-weight:700;margin-bottom:8px}
.stats-row p{font-size:16px;color:rgba(255,255,255,.7);margin-bottom:48px}
.stats-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:32px}
.stat-box .num{font-size:36px;font-weight:700}
.stat-box .lbl{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

.faq-list{margin-top:48px;display:flex;flex-direction:column;gap:14px;max-width:760px;margin-left:auto;margin-right:auto}
.faq-item{
background:var(--bg-card);border:1px solid var(--border);
border-radius:var(--radius);overflow:hidden;
}
.faq-q{
width:100%;background:none;border:none;cursor:pointer;
display:flex;align-items:center;justify-content:space-between;gap:12px;
padding:20px 24px;text-align:left;font-size:15px;font-weight:500;font-family:inherit;color:var(--text);
transition:background .15s;
}
.faq-q:hover{background:var(--bg-soft)}
.faq-q .icon{
width:22px;height:22px;border-radius:50%;background:var(--brand-light);
flex-shrink:0;display:flex;align-items:center;justify-content:center;
transition:transform .25s;
}
.faq-q .icon svg{width:12px;height:12px;fill:var(--brand)}
.faq-item.open .faq-q .icon{transform:rotate(45deg);background:var(--brand)}
.faq-item.open .faq-q .icon svg{fill:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 20px}
.faq-a p{font-size:14px;color:var(--text-muted);line-height:1.7}

.cta-section{
background:var(--bg-soft);border-top:1px solid var(--border);
padding:80px 24px;text-align:center;
}
.cta-inner{max-width:600px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,4vw,38px);font-weight:700;margin-bottom:14px;letter-spacing:-.3px}
.cta-inner p{font-size:16px;color:var(--text-muted);margin-bottom:36px;line-height:1.7}
.cta-btns{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-note{margin-top:20px;font-size:13px;color:var(--text-light)}

footer{background:#0f172a;color:rgba(255,255,255,.5);padding:28px 24px;text-align:center;font-size:13px}
footer a{color:rgba(255,255,255,.6)}footer a:hover{color:#fff}

@media(max-width:640px){
.hero{padding:56px 20px 52px}
.section{padding:52px 20px}
.steps-grid{grid-template-columns:1fr}
.features-grid{grid-template-columns:1fr}
.stats-4{grid-template-columns:repeat(2,1fr)}
.hero-stats{flex-direction:column;gap:0}
.stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 0}
.stat-item:last-child{border-bottom:none}
}