*{margin:0;padding:0;box-sizing:border-box}
:root{
--primary:#10b981;--primary-light:#34d399;--primary-dark:#059669;
--secondary:#3b82f6;--accent:#f59e0b;--danger:#ef4444;
--bg-primary:#ffffff;--bg-secondary:#f0fdf4;--bg-tertiary:#dcfce7;
--text-primary:#1f2937;--text-secondary:#4b5563;--text-muted:#9ca3af;
--border:#d1fae5;--shadow-sm:0 1px 2px rgba(16,185,129,0.1);
--shadow-md:0 4px 6px rgba(16,185,129,0.15);--shadow-lg:0 10px 15px rgba(16,185,129,0.2);
--shadow-xl:0 20px 25px rgba(16,185,129,0.25)
}
body{font-family:'Inter','PingFang SC','Microsoft YaHei',-apple-system,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--bg-primary)}
.container{max-width:1000px;margin:0 auto;padding:0 20px}
header{padding:1rem 0;position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px)}
header .container{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none}
nav ul{display:flex;list-style:none;gap:1.5rem}
nav ul li a{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:0.5rem 1rem;border-radius:6px;transition:all 0.3s ease}
nav ul li a:hover,nav ul li a.active{color:var(--primary);background:rgba(16,185,129,0.1)}
.cta-header{background:var(--primary);color:white;padding:0.75rem 1.5rem;border-radius:8px;text-decoration:none;font-weight:600;transition:all 0.3s ease}
.cta-header:hover{background:var(--primary-dark);transform:translateY(-1px)}
.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);padding:5rem 0;color:white;text-align:center}
.hero h1{font-size:3rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2}
.hero p{font-size:1.2rem;opacity:0.9;max-width:600px;margin:0 auto 2.5rem}
.hero-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}
.btn{padding:1rem 2rem;border-radius:10px;font-weight:700;text-decoration:none;transition:all 0.3s ease;display:inline-block;font-size:1.1rem}
.btn-primary{background:white;color:var(--primary);box-shadow:var(--shadow-lg)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:var(--shadow-xl)}
.btn-secondary{background:rgba(255,255,255,0.2);color:white;border:2px solid rgba(255,255,255,0.3)}
.btn-secondary:hover{background:rgba(255,255,255,0.3)}
.hero-stats{display:flex;justify-content:center;gap:3rem;margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.2)}
.hero-stat{text-align:center}
.hero-stat .number{font-size:2.5rem;font-weight:800}
.hero-stat .label{font-size:0.95rem;opacity:0.8;margin-top:0.25rem}
.features{padding:4rem 0}
.section-title{text-align:center;margin-bottom:3rem}
.section-title h2{font-size:2.2rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}
.section-title p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.feature-card{background:var(--bg-secondary);padding:2rem;border-radius:16px;text-align:center;transition:all 0.3s ease;border:2px solid transparent}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.feature-card .icon{width:60px;height:60px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin:0 auto 1.5rem}
.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:0.75rem;color:var(--text-primary)}
.feature-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.6}
.pricing{padding:4rem 0;background:var(--bg-secondary)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.pricing-card{background:white;padding:3rem;border-radius:20px;text-align:center;position:relative;transition:all 0.3s ease}
.pricing-card.popular{border:2px solid var(--primary);transform:scale(1.05);box-shadow:var(--shadow-xl)}
.pricing-card.popular .badge{background:var(--primary);color:white;padding:0.5rem 1rem;border-radius:20px;font-size:0.85rem;font-weight:600;position:absolute;-top:1rem;left:50%;transform:translateX(-50%)}
.pricing-card h3{font-size:1.3rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}
.pricing-card .price{font-size:3rem;font-weight:800;color:var(--primary);margin-bottom:0.25rem}
.pricing-card .period{color:var(--text-muted);font-size:0.95rem;margin-bottom:2rem}
.pricing-card ul{list-style:none;text-align:left;margin-bottom:2rem}
.pricing-card ul li{padding:0.75rem 0;border-bottom:1px solid var(--border);color:var(--text-secondary)}
.pricing-card ul li:last-child{border-bottom:none}
.pricing-card .btn{width:100%}
.pricing-card.popular .btn{background:var(--primary);color:white}
.pricing-card.popular .btn:hover{background:var(--primary-dark)}
.testimonials{padding:4rem 0}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.testimonial-card{background:white;padding:2rem;border-radius:16px;transition:all 0.3s ease}
.testimonial-card:hover{box-shadow:var(--shadow-lg)}
.testimonial-card .quote{font-size:2rem;color:var(--primary);margin-bottom:1rem}
.testimonial-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.6;margin-bottom:1.5rem;font-style:italic}
.testimonial-card .author{display:flex;align-items:center;gap:1rem}
.testimonial-card .author .avatar{width:40px;height:40px;background:var(--bg-tertiary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem}
.testimonial-card .author-info h4{font-size:1rem;font-weight:600;color:var(--text-primary)}
.testimonial-card .author-info p{font-size:0.85rem;color:var(--text-muted);margin:0}
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);padding:4rem 0;color:white;text-align:center}
.cta-section h2{font-size:2.2rem;font-weight:700;margin-bottom:1rem}
.cta-section p{font-size:1.1rem;opacity:0.9;margin-bottom:2rem}
.cta-section .btn{background:white;color:var(--primary);font-size:1.2rem;padding:1rem 3rem}
.breadcrumb{background:var(--bg-secondary);padding:1rem 0;font-size:0.9rem}
.breadcrumb a{color:var(--primary);text-decoration:none}
.breadcrumb span{color:var(--text-muted);margin:0 0.5rem}
.page-header{padding:3rem 0;text-align:center}
.page-header h1{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:0.5rem}
.page-header p{font-size:1.1rem;color:var(--text-secondary)}
.content-area{padding:2rem 0}
.content-area h2{font-size:1.6rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-primary)}
.content-area h3{font-size:1.3rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}
.content-area p{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:1rem}
.content-area ul,.content-area ol{color:var(--text-secondary);padding-left:1.5rem;margin-bottom:1rem}
.content-area li{margin-bottom:0.5rem}
.form-container{max-width:500px;margin:0 auto;background:white;padding:3rem;border-radius:20px;box-shadow:var(--shadow-lg)}
.form-container h3{font-size:1.5rem;font-weight:600;margin-bottom:2rem;text-align:center;color:var(--text-primary)}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;font-weight:600;margin-bottom:0.5rem;color:var(--text-primary)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:0.875rem;border:2px solid var(--border);border-radius:10px;font-size:1rem;transition:all 0.3s ease}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{min-height:120px;resize:vertical}
.form-container button{width:100%;padding:1rem;background:var(--primary);color:white;border:none;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all 0.3s ease}
.form-container button:hover{background:var(--primary-dark);transform:translateY(-2px)}
.whitepaper-list{display:flex;flex-direction:column;gap:1.5rem}
.whitepaper-item{background:white;padding:2rem;border-radius:16px;display:flex;align-items:center;gap:2rem;box-shadow:var(--shadow-sm);transition:all 0.3s ease}
.whitepaper-item:hover{box-shadow:var(--shadow-md)}
.whitepaper-item .icon{width:60px;height:60px;background:var(--bg-secondary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}
.whitepaper-item .info h3{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:0.25rem}
.whitepaper-item .info p{color:var(--text-secondary);font-size:0.95rem}
.whitepaper-item .download-btn{background:var(--primary);color:white;padding:0.75rem 1.5rem;border-radius:8px;text-decoration:none;font-weight:600;white-space:nowrap}
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.value-card{background:white;padding:2.5rem;border-radius:16px;transition:all 0.3s ease}
.value-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.value-card .number{font-size:3rem;font-weight:800;color:var(--primary);margin-bottom:1rem}
.value-card h3{font-size:1.3rem;font-weight:600;margin-bottom:0.75rem;color:var(--text-primary)}
.value-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.6}
footer{background:var(--text-primary);color:white;padding:3rem 0 1.5rem;margin-top:4rem}
footer .container{display:flex;justify-content:space-between;align-items:center}
footer p{color:rgba(255,255,255,0.6);font-size:0.9rem}
footer a{color:white;text-decoration:none;font-size:0.9rem}
@media(max-width:992px){
.features-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:repeat(2,1fr)}
.testimonials-grid{grid-template-columns:repeat(2,1fr)}
.value-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.hero h1{font-size:2rem}
.hero-stats{flex-direction:column;gap:1.5rem}
.features-grid{grid-template-columns:1fr}
.pricing-grid{grid-template-columns:1fr}
.testimonials-grid{grid-template-columns:1fr}
.pricing-card.popular{transform:scale(1)}
nav ul{display:none}
footer .container{flex-direction:column;gap:1rem;text-align:center}
}