:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;--secondary:#4f46e5;--light:#f8fafc;--dark:#0f172a;--gray:#64748b;--success:#10b981;--border:#e2e8f0;--shadow:0 4px 6px rgba(0,0,0,0.1)}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Microsoft YaHei',sans-serif}body{background-color:#f9fafb;color:var(--dark);line-height:1.6;overflow-x:hidden;font-size:1rem}a{text-decoration:none;color:var(--primary);transition:all .3s ease}a:hover{color:var(--primary-dark)}.module-container{margin:4rem auto}.page-header{background:linear-gradient(135deg,#25a9eb 0,#0fe7d5 100%);color:white;padding:80px 0 60px;text-align:center;position:relative;overflow:hidden}.page-header::before{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:rgba(255,255,255,0.1);border-radius:50%}.page-header::after{content:'';position:absolute;bottom:-80px;left:-80px;width:250px;height:250px;background:rgba(255,255,255,0.1);border-radius:50%}.page-header h1{font-size:2.8rem;margin-bottom:20px;position:relative;z-index:2}.page-header p{font-size:1.2rem;max-width:800px;margin:0 auto;position:relative;z-index:2;opacity:.9}.section-title{text-align:center;margin-bottom:3rem;padding:0 20px}.section-title h2{font-size:2.2rem;color:var(--dark);margin-bottom:1.5rem;position:relative;display:inline-block}.section-title h2::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:80px;height:4px;background:var(--primary);border-radius:2px}.section-title p{color:var(--gray);max-width:800px;margin:0 auto;font-size:1.1rem}.process-timeline{position:relative}.timeline{position:relative;max-width:1000px;margin:0 auto;padding:40px 0}.timeline::after{content:'';position:absolute;width:6px;background-color:var(--primary-light);top:0;bottom:0;left:50%;margin-left:-3px;border-radius:10px}.timeline-item{position:relative;width:50%;margin-bottom:60px;opacity:0;transform:translateY(50px);transition:all .8s ease}.timeline-item.animate{opacity:1;transform:translateY(0)}.timeline-item:nth-child(odd){left:0;padding-right:70px}.timeline-item:nth-child(even){left:50%;padding-left:70px}.timeline-content{background:white;border-radius:15px;padding:30px;box-shadow:var(--shadow);position:relative;transition:all .3s ease}.timeline-content:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,0.15)}.timeline-content h3{color:var(--primary);margin-bottom:15px;font-size:1.4rem}.timeline-content p{color:var(--gray);margin-bottom:15px}.timeline-content ul{padding-left:20px;margin-bottom:15px}.timeline-content ul li{margin-bottom:8px;color:var(--gray)}.timeline-circle{position:absolute;width:30px;height:30px;background-color:var(--primary);border:5px solid white;border-radius:50%;top:32px;z-index:1;box-shadow:0 0 0 4px var(--primary)}.timeline-item:nth-child(odd) .timeline-circle{right:-15px}.timeline-item:nth-child(even) .timeline-circle{left:-15px}.service-details{padding:4rem 0;background-color:var(--light)}.service-tabs{display:flex;justify-content:center;margin-bottom:3rem;flex-wrap:wrap;gap:15px}.service-tab-btn{background:white;border:2px solid var(--primary);color:var(--primary);padding:12px 35px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;min-width:200px;text-align:center}.service-tab-btn.active,.service-tab-btn:hover{background:var(--primary);color:white;box-shadow:0 5px 15px rgba(37,99,235,0.3)}.service-tab-content{display:none;animation:fadeIn .5s ease}.service-tab-content.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.service-card{background:white;border-radius:15px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease;height:100%;display:flex;flex-direction:column}.service-card:hover{transform:translateY(-10px);box-shadow:0 10px 25px rgba(0,0,0,0.15)}.service-card-header{background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:white;padding:25px;text-align:center}.service-card-header h3{font-size:1.4rem;margin-bottom:10px}.service-card-body{padding:25px;flex-grow:1}.service-card-body ul{list-style:none}.service-card-body ul li{padding:10px 0;padding-left:30px;position:relative;border-bottom:1px solid #eee}.service-card-body ul li:last-child{border-bottom:0}.service-card-body ul li::before{content:'✓';position:absolute;left:0;top:10px;color:var(--success);font-weight:bold}.case-studies{padding:4rem 0}.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.case-card{background:white;border-radius:15px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease}.case-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,0.15)}.case-img{height:200px;background-size:cover;background-position:center}.case-content{padding:25px}.case-content h3{color:var(--primary);margin-bottom:15px;font-size:1.3rem}.case-content p{color:var(--gray);margin-bottom:15px}.case-stats{display:flex;justify-content:space-between;border-top:1px solid #eee;padding-top:15px;margin-top:15px}.stat{text-align:center}.stat .number{font-size:1.5rem;font-weight:700;color:var(--primary)}.stat .label{font-size:.9rem;color:var(--gray)}.cta-section{padding:5rem 0;background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:white;text-align:center}.cta-content{max-width:800px;margin:0 auto}.cta-content h2{font-size:2.5rem;margin-bottom:20px}.cta-content p{font-size:1.2rem;margin-bottom:30px;opacity:.9}.cta-btn{display:inline-block;background:white;color:var(--primary);padding:15px 40px;border-radius:50px;font-weight:700;font-size:1.1rem;transition:all .3s ease;box-shadow:0 5px 15px rgba(0,0,0,0.2)}.cta-btn:hover{cursor:pointer;transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.3);color:var(--primary-dark)}footer{background-color:var(--dark);color:white;padding:4rem 0 2rem;margin-top:0}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:2rem}.footer-column h3{margin-bottom:25px;font-size:1.4rem;position:relative;padding-bottom:15px}.footer-column h3::after{content:'';position:absolute;bottom:0;left:0;width:50px;height:3px;background-color:var(--primary)}.footer-column ul{list-style:none}.footer-column ul li{margin-bottom:12px}.footer-column a{color:#cbd5e1;text-decoration:none;transition:color .3s ease;display:block;padding:5px 0;font-size:.95rem}.footer-column a:hover{color:white;padding-left:5px}.contact-info p{display:flex;align-items:flex-start;margin-bottom:15px;line-height:1.8;font-size:.95rem}.contact-info i{margin-right:15px;min-width:20px;color:var(--primary)}.copyright{text-align:center;padding-top:30px;border-top:1px solid #334155;color:#94a3b8;font-size:.9rem;margin-top:30px}@media(max-width:992px){.page-header h1{font-size:2.2rem}.page-header p{font-size:1.1rem}.timeline::after{left:31px}.timeline-item{width:100%;padding-left:70px;padding-right:0}.timeline-item:nth-child(odd),.timeline-item:nth-child(even){left:0}.timeline-item:nth-child(odd) .timeline-circle,.timeline-item:nth-child(even) .timeline-circle{left:21px;right:auto}}@media(max-width:768px){.navbar{flex-direction:column;gap:20px}.nav-links{flex-wrap:wrap;justify-content:center}.page-header{padding:60px 0 40px}.page-header h1{font-size:1.8rem}.section-title h2{font-size:2rem}.service-tabs{flex-direction:column;align-items:center}.service-tab-btn{width:100%;max-width:300px}.cta-content h2{font-size:2rem}}@media(max-width:576px){.page-header h1{font-size:1.6rem}.page-header p{font-size:1rem}.section-title h2{font-size:1.8rem}.service-grid,.case-grid{grid-template-columns:1fr}.cta-content h2{font-size:1.8rem}.cta-content p{font-size:1rem}.cta-btn{padding:12px 30px;font-size:1rem}.module-container{margin:0}}.keyword-nav-section{padding:50px 0 40px;background:#f8fafc;border-top:1px solid #eef2f6;border-bottom:1px solid #eef2f6}.keyword-nav-header{text-align:center;margin-bottom:28px}.keyword-nav-header h3{font-size:22px;font-weight:700;color:#0f172a;margin-bottom:6px}.keyword-nav-header p{color:#64748b;font-size:14px;margin:0}.keyword-nav-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;padding:6px 0 10px}.keyword-item{display:inline-block;padding:6px 20px;background:#fff;border:1px solid #e2e8f0;border-radius:30px;color:#1e293b;font-size:14px;text-decoration:none;transition:all .2s ease;box-shadow:0 2px 4px rgba(0,0,0,0.02);line-height:1.4}.keyword-item:hover{border-color:#2563eb;color:#2563eb;transform:translateY(-2px);box-shadow:0 4px 14px rgba(37,99,235,0.12);text-decoration:none}.keyword-nav-footer{text-align:center;margin-top:18px;color:#94a3b8;font-size:13px}@media(max-width:768px){.keyword-nav-section{padding:36px 0 28px}.keyword-nav-header h3{font-size:19px}.keyword-nav-list{gap:8px 12px}.keyword-item{font-size:13px;padding:4px 14px}}@media(max-width:480px){.keyword-nav-list{gap:6px 8px}.keyword-item{font-size:12px;padding:3px 12px}}