:root{--bg-primary:#09090b;--bg-secondary:#18181b;--bg-card:hsla(0,0%,100%,.03);--border:hsla(0,0%,100%,.08);--accent:#8b5cf6;--accent2:#06b6d4;--text:#fff;--text-muted:#71717a}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:auto}body{background:var(--bg-primary);color:var(--text);font-family:Inter,system-ui,sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased}.gradient-text{background:linear-gradient(135deg,#8b5cf6,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.gradient-bg{background:linear-gradient(135deg,#8b5cf6,#06b6d4)}.glass{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.08);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.btn-primary{background:linear-gradient(135deg,#8b5cf6,#06b6d4);color:#fff;padding:14px 32px;border-radius:12px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(139,92,246,.4)}.btn-secondary{background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);color:#fff;padding:14px 32px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-secondary:hover{border-color:#8b5cf6;background:rgba(139,92,246,.1)}.pricing-card{background:hsla(0,0%,100%,.02);border:1px solid hsla(0,0%,100%,.08);border-radius:24px;padding:40px;transition:all .4s}.pricing-card:hover{border-color:rgba(139,92,246,.4);transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,.4)}.pricing-card.popular{border-color:#8b5cf6;background:rgba(139,92,246,.05);position:relative}.pricing-card.popular:before{content:"最受欢迎";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#8b5cf6,#06b6d4);color:#fff;font-size:12px;font-weight:600;padding:4px 16px;border-radius:20px}.section-label{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:100px;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.2);font-size:13px;color:#8b5cf6;font-weight:500;margin-bottom:16px}.step-number{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#06b6d4);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:18px;flex-shrink:0}.faq-item{border-bottom:1px solid hsla(0,0%,100%,.06);padding:24px 0;cursor:pointer}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-item.open .faq-answer{max-height:200px}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#8b5cf6;border-radius:3px}@media (max-width:768px){.btn-primary,.btn-secondary{padding:12px 24px;font-size:14px}.pricing-card{padding:28px}}