:root {
            --primary: #2563eb;
            --
primary-dark: #1e40af;
            --text-main: #1f2937;

            --text-light: #6b7280;
            --bg-body: #f8faf
c;
            --white: #ffffff;
            --accent: #8b5cf6;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font
-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial
, sans-serif; line-height: 1.6; color: var(--text-main); background: var(--bg-body
); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 
20px; }
        
        header { background: var(--white); padding: 15px 0; box
-shadow: 0 1px 3px rgba(0,0,0,0.1); position: sticky; top
: 0; z-index: 1000; }
        .nav-wrapper { display:
 flex; justify-content: space-between; align-items: center; }
        .logo { width: 1
50px; }
        .nav-links { display: flex; align-items: center; gap: 0; list
-style: none; }
        .nav-links li a { padding: 10px 15px; text
-decoration: none; color: var(--text-main); font-weight: 500; transition:
 color 0.3s; }
        .nav-links li a:hover { color: var(--primary
); }
        
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #eff6ff 0%, #fef2f2 100
%); }
        .hero h1 { font-size: 3rem; margin-bottom: 20
px; color: var(--primary-dark); }
        .hero p { font-size: 1.
25rem; color: var(--text-light); max-width: 800px; margin: 0 auto
 30px; }
        .btn { display: inline-block; padding: 12px 30px;
 background: var(--primary); color: #fff; border-radius: 8px; text-decoration: none
; font-weight: 600; transition: transform 0.2s; }
        .btn:
hover { transform: translateY(-2px); background: var(--primary-dark); }

        .section { padding: 6
0px 0; }
        .section-title { text-align: center; font-size: 2rem
; margin-bottom: 40px; color: var(--text-main); }
        
        .
grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(2
80px, 1fr)); gap: 25px; }
        .card { background: var(--white); padding
: 25px; border-radius: 12px; box-shadow: 0 4px 6px
 rgba(0,0,0,0.05); transition: box-shadow 0.3s; }
        .
card:hover { box-shadow: 0 10px 15px rgba(0,0,0,0.
1); }
        .card h3 { margin-bottom: 15px; color: var(--primary-
dark); }

        .table-container { overflow-x: auto; background: var(--white); padding: 20
px; border-radius: 12px; }
        table { width: 100%; border
-collapse: collapse; min-width: 600px; }
        th, td { padding: 15px;
 border-bottom: 1px solid #e5e7eb; text-align: left; }
        th {
 background: #f3f4f6; }

        .faq-item { margin-bottom: 1
5px; background: var(--white); padding: 15px; border-radius: 8px; }
        .
faq-q { font-weight: 600; cursor: pointer; display: flex; justify-content:
 space-between; }
        .faq-a { display: none; padding-top: 10px; color: var
(--text-light); }

        .form-group { margin-bottom: 15px; }
        
.form-group label { display: block; margin-bottom: 5px; }
        .form-group input, .
form-group textarea, .form-group select { width: 100%; padding: 10px; border: 
1px solid #d1d5db; border-radius: 6px; }
        
        footer
 { background: #1f2937; color: #fff; padding: 40px 0; margin
-top: 50px; }
        .footer-content { display: grid; grid-template-columns: repeat
(auto-fit, minmax(200px, 1fr)); gap: 30px; }
        
.footer-links a { color: #9ca3af; text-decoration: none; display: block; margin
-bottom: 8px; }
        .footer-links a:hover { color: #fff; }

        
        .floating-kefu { position: fixed; right: 20px; bottom: 5
0px; z-index: 999; }
        
        @media (max-width: 7
68px) {
            .nav-links { display: none; }
            .hero h1 { font-size:
 2rem; }
        }