.support-container{color:#333;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.support-header{background:#fff;padding:20px 0;box-shadow:0 2px 10px #0000001a}.company-logo{align-items:center;gap:20px;max-width:1200px;margin:0 auto;padding:0 20px;display:flex}.logo-placeholder{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;padding:4px 6px;display:flex}.logo-text{color:#fff;text-align:center;font-size:14px;font-weight:700;line-height:1.2}.company-logo h1{color:#333;margin:0;font-size:28px;font-weight:600}.support-main{grid-template-columns:1fr;gap:24px;max-width:1200px;margin:30px auto;padding:0 20px;display:grid}.info-card{background:#fff;border-radius:16px;padding:32px;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 20px #00000014}.info-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px #0000001f}.section-title{color:#333;border-bottom:2px solid #667eea;align-items:center;gap:12px;margin:0 0 24px;padding-bottom:12px;font-size:22px;font-weight:600;display:flex}.icon{font-size:24px}.info-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;display:grid}.info-item{flex-direction:column;gap:4px;display:flex}.info-item strong{color:#666;font-size:14px}.info-item span{color:#333;font-size:16px;font-weight:500}.contact-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;display:grid}.contact-item{background:#f8f9fa;border-radius:12px;align-items:flex-start;gap:16px;padding:20px;transition:background-color .3s;display:flex}.contact-item:hover{background:#f0f2f5}.contact-icon{flex-shrink:0;font-size:32px}.contact-info h3{color:#333;margin:0 0 8px;font-size:18px;font-weight:600}.contact-info p{color:#667eea;margin:0 0 4px;font-size:16px;font-weight:500}.contact-info small{color:#666;font-size:12px}.support-content{line-height:1.6}.support-list{margin:20px 0;padding:0;list-style:none}.support-list li{color:#555;border-bottom:1px solid #eee;align-items:center;gap:12px;padding:12px 0;font-size:16px;display:flex}.support-list li:last-child{border-bottom:none}.notice-box{background:#e3f2fd;border-left:4px solid #2196f3;border-radius:8px;margin-top:24px;padding:16px 20px}.notice-box h4{color:#1976d2;margin:0 0 8px;font-size:16px}.notice-box p{color:#333;margin:0;font-size:14px}.documents-links{flex-direction:column;gap:12px;display:flex}.doc-link{color:inherit;background:#f8f9fa;border:2px solid #0000;border-radius:12px;align-items:center;gap:16px;padding:20px;text-decoration:none;transition:all .3s;display:flex}.doc-link:hover{background:#fff;border-color:#667eea;transform:translate(4px)}.doc-icon{flex-shrink:0;font-size:28px}.doc-info{flex:1}.doc-info h3{color:#333;margin:0 0 4px;font-size:18px;font-weight:600}.doc-info p{color:#666;margin:0;font-size:14px}.doc-arrow{color:#667eea;font-size:20px;font-weight:700}.app-info{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.app-info-item{flex-direction:column;gap:4px;display:flex}.support-footer{color:#fff;background:#333;margin-top:60px;padding:40px 20px}.footer-content{text-align:center;max-width:1200px;margin:0 auto}.copyright,.record-info{color:#999;margin:0 0 12px;font-size:14px}.company-address{color:#999;margin:0;font-size:14px}@media (max-width:768px){.company-logo{text-align:center;flex-direction:column;gap:10px}.company-logo h1{font-size:24px}.info-card{padding:24px}.section-title{font-size:20px}.contact-grid,.info-grid,.app-info{grid-template-columns:1fr}.doc-link{padding:16px}}