:root { --primary: #ff3e3e; --secondary: #2
b3a42; --bg: #f8f9fa; --text: #333;
 }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
 font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: var(--
text); background: var(--bg); }
        .container { max-width: 1200px
; margin: 0 auto; padding: 0 20px; }
        header { background: #
fff; padding: 15px 0; border-bottom: 2px solid var(--primary); position: sticky
; top: 0; z-index: 1000; }
        nav { display: flex
; align-items: center; justify-content: space-between; }
        .nav-links { display
: flex; gap: 0; list-style: none; }
        .nav-links a { padding
: 0 15px; text-decoration: none; color: var(--secondary); font-weight: bold
; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(1
35deg, #fff 0%, #ffe9e9 100%); }
        h1 { font
-size: 3rem; color: var(--secondary); margin-bottom: 20px; }

        .btn { display: inline-block; padding: 12px 30px; background: var(--primary);
 color: #fff; border-radius: 5px; text-decoration: none; font-weight: bold; transition: 
0.3s; }
        .section { padding: 60px 0; }
        .grid
 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1
fr)); gap: 30px; }
        .card { background: #fff; padding: 30px;
 border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0
,0,0.05); transition: 0.3s; }
        .card:hover { transform: translateY
(-10px); box-shadow: 0 15px 30px rgba(0,0,0
,0.1); }
        .faq-item { background: #fff; padding: 20px; margin
-bottom: 10px; border-radius: 5px; cursor: pointer; border-left:
 5px solid var(--primary); }
        footer { background: var(--secondary); color: #fff; padding:
 40px 0; text-align: center; }
        .contact-form { max-width: 6
00px; margin: 0 auto; background: #fff; padding: 40px; border-
radius: 10px; }
        input, select, textarea { width: 100%; padding: 
12px; margin-bottom: 15px; border: 1px solid #ddd; border-radius: 
5px; }
        .floating-kefu { position: fixed; right: 20px; bottom: 5
0px; z-index: 999; }
        @media (max-width: 768px
) { .nav-links { display: none; } }