/* 0102 - WPK德州官网正版入口 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#111827;background:#fff;-webkit-font-smoothing:antialiased}
.gradient-hero{background:linear-gradient(160deg,#EFF6FF 0%,#EEF2FF 40%,#F0F9FF 100%)}
.gradient-stats{background:linear-gradient(135deg,#1E40AF 0%,#2563EB 40%,#3B82F6 100%)}
.gradient-cta{background:linear-gradient(135deg,#1E3A8A 0%,#2563EB 40%,#4F46E5 100%)}
.text-gradient{background:linear-gradient(135deg,#2563EB,#4F46E5);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.section{padding:100px 0}
.section-tag{font-size:13px;font-weight:600;color:#2563EB;text-transform:uppercase;letter-spacing:2px}
.section-title{font-size:clamp(2rem,4vw,2.75rem);font-weight:800;color:#111827;margin:12px 0 16px}
.section-desc{font-size:18px;color:#6B7280;max-width:600px;margin:0 auto}
.section-header{text-align:center;margin-bottom:64px}
.faq-item{background:#F9FAFB;border-radius:16px;overflow:hidden;border:1px solid #F3F4F6;margin-bottom:12px}
.faq-btn{width:100%;text-align:left;padding:20px 24px;font-weight:600;font-size:16px;color:#111827;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:background 0.2s}
.faq-btn:hover{background:#F3F4F6}
.faq-btn i{color:#9CA3AF;transition:transform 0.3s}
.faq-btn.active i{transform:rotate(180deg);color:#2563EB}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s,padding 0.4s}
.faq-answer.open{max-height:400px;padding:0 24px 20px}
.faq-answer p{color:#6B7280;line-height:1.7}
@media(max-width:1024px){.grid-2{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.grid-3{grid-template-columns:1fr}.section{padding:60px 0}}