:root{--primary:#4f46e5;--primary-light:#6366f1;--primary-dark:#3730a3;--bg:#fff;--bg-alt:#f8f9fc;--bg-dark:#0f172a;--text:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--radius:12px;--transition:all .3s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.7}.navbar{z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);background:#ffffffd9;position:fixed;top:0;left:0;right:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:1200px;height:64px;margin:0 auto;padding:0 24px;display:flex}.nav-logo{color:var(--primary);align-items:center;gap:10px;font-size:22px;font-weight:800;text-decoration:none;display:flex}.nav-links{align-items:center;gap:32px;list-style:none;display:flex}.nav-links a{color:var(--text-muted);font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--primary)}.nav-cta{background:var(--primary);border-radius:8px;padding:8px 20px;font-weight:600;color:#fff!important}.nav-cta:hover{background:var(--primary-dark)}.menu-toggle{cursor:pointer;background:0 0;border:none;padding:4px;display:none}.menu-toggle span{background:var(--text);border-radius:2px;width:24px;height:2px;margin:5px 0;display:block}.hero{text-align:center;background:linear-gradient(#f0f2ff,#fff);padding:140px 24px 80px;position:relative;overflow:hidden}.hero-badge{color:var(--primary);background:#6366f114;border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:8px 18px;font-size:13px;font-weight:600;display:inline-flex}.dot{background:#22c55e;border-radius:50%;width:6px;height:6px;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.hero h1{color:var(--bg-dark);max-width:700px;margin:0 auto 16px;font-size:52px;font-weight:800;line-height:1.2}.hero h1 span{background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-desc{color:var(--text-muted);max-width:560px;margin:0 auto 36px;font-size:17px}.hero-btns{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.btn-primary{background:var(--primary);color:#fff;transition:var(--transition);border-radius:10px;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex;box-shadow:0 4px 16px #4f46e54d}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.btn-outline{color:var(--primary);border:2px solid var(--border);transition:var(--transition);background:#fff;border-radius:10px;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-outline:hover{border-color:var(--primary)}.hero-stats{justify-content:center;gap:60px;margin-top:64px;display:flex}.hero-stat{text-align:center}.hero-stat .num{color:var(--bg-dark);font-size:36px;font-weight:800}.hero-stat .label{color:var(--text-muted);margin-top:4px;font-size:13px}.section{padding:80px 24px}.section-inner{max-width:1200px;margin:0 auto}.section-tag{color:var(--primary);align-items:center;gap:6px;margin-bottom:12px;font-size:13px;font-weight:600;display:inline-flex}.section-tag:before{content:"";background:var(--primary);border-radius:1px;width:20px;height:2px}.section h2{margin-bottom:14px;font-size:36px;font-weight:800}.section-subtitle{color:var(--text-muted);max-width:560px;font-size:15px}.features{background:var(--bg-alt)}.feature-grid{grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;display:grid}.feature-card{border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition);background:#fff;padding:24px}.feature-card:hover{box-shadow:0 20px 40px #4f46e51f}.feature-num{color:#4f46e526;margin-bottom:8px;font-size:28px;font-weight:800}.feature-card h4{margin-bottom:6px;font-size:15px;font-weight:700}.feature-card p{color:var(--text-muted);font-size:13px;line-height:1.6}.product-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;display:grid}.product-card{border:1px solid var(--border);transition:var(--transition);cursor:pointer;background:#fff;border-radius:20px;padding:32px;text-decoration:none;display:block}.product-card:hover{border-color:#0000;transform:translateY(-4px);box-shadow:0 20px 40px #4f46e51f}.product-icon{border-radius:14px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;font-size:28px;display:flex}.product-icon.admin{background:linear-gradient(135deg,#eef2ff,#dce3ff)}.product-icon.merchant{background:linear-gradient(135deg,#f3e8ff,#e9d5ff)}.product-icon.h5{background:linear-gradient(135deg,#fff7ed,#ffedd5)}.product-card h3{color:var(--text);margin-bottom:8px;font-size:19px;font-weight:700}.product-card p{color:var(--text-muted);margin-bottom:16px;font-size:14px;line-height:1.7}.product-tag{border-radius:6px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}.tag-blue{color:#4f46e5;background:#eef2ff}.tag-purple{color:#7c3aed;background:#f3e8ff}.tag-orange{color:#ea580c;background:#fff7ed}.module-tabs{gap:12px;margin-top:40px;display:flex}.module-tab{cursor:pointer;border:1px solid var(--border);color:var(--text-muted);transition:var(--transition);background:#fff;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600}.module-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.module-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;display:grid}.module-item{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:10px;align-items:center;gap:10px;padding:14px 16px;font-size:14px;display:flex}.module-check{color:#16a34a;background:#dcfce7;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;display:flex}.flow-steps{align-items:flex-start;gap:0;margin-top:48px;display:flex}.flow-step{text-align:center;flex:1;position:relative}.flow-step:after{content:"";background:var(--border);width:calc(100% - 80px);height:2px;position:absolute;top:32px;left:calc(50% + 40px)}.flow-step:last-child:after{display:none}.circle{background:var(--primary);color:#fff;z-index:2;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 16px;font-size:24px;display:flex;position:relative}.flow-step:nth-child(2) .circle{background:#7c3aed}.flow-step:nth-child(3) .circle{background:#ea580c}.flow-step h4{margin-bottom:4px;font-size:16px;font-weight:700}.flow-step p{color:var(--text-muted);font-size:13px}.cta{background:var(--bg-dark);text-align:center;padding:80px 24px;position:relative;overflow:hidden}.cta:before{content:"";pointer-events:none;background:radial-gradient(#6366f126,#0000 70%);position:absolute;inset:0}.cta h2{color:#fff;margin-bottom:12px;font-size:36px;font-weight:800;position:relative}.cta p{color:#fff9;margin-bottom:32px;font-size:15px;position:relative}.cta-btns{flex-wrap:wrap;justify-content:center;gap:14px;display:flex;position:relative}.btn-white{color:var(--primary);transition:var(--transition);background:#fff;border-radius:10px;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-white:hover{transform:translateY(-2px)}.btn-ghost{color:#fff;transition:var(--transition);border:2px solid #fff3;border-radius:10px;align-items:center;gap:8px;padding:14px 32px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-ghost:hover{border-color:#ffffff80}.footer{color:#fff9;background:#1e293b;padding:48px 24px 32px}.footer-inner{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:1200px;margin:0 auto;display:grid}.footer-brand h3{color:#fff;margin-bottom:8px;font-size:20px}.footer-brand p{font-size:13px;line-height:1.8}.footer-col h4{color:#fff;margin-bottom:16px;font-size:14px}.footer-col a{color:#ffffff80;margin-bottom:8px;font-size:13px;text-decoration:none;transition:color .2s;display:block}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid #ffffff1a;flex-wrap:wrap;justify-content:space-between;gap:12px;max-width:1200px;margin:32px auto 0;padding-top:24px;font-size:12px;display:flex}@media (width<=1024px){.product-grid,.feature-grid,.module-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.hero h1{font-size:32px}.hero-stats{gap:28px}.hero-stat .num{font-size:26px}.product-grid,.feature-grid,.module-grid{grid-template-columns:1fr}.flow-steps{flex-direction:column;gap:32px}.flow-step:after,.nav-links{display:none}.nav-links.open{border-bottom:1px solid var(--border);background:#fff;flex-direction:column;gap:16px;padding:20px 24px;display:flex;position:absolute;top:64px;left:0;right:0}.menu-toggle{display:block}.footer-inner{grid-template-columns:1fr 1fr}}