:root { --
primary: #6366f1; --accent: #f472b6; --text: #1
f2937; --bg: #fdfdfd; --gray: #f3f4f6
; }
        * { margin: 0; padding: 0; box-sizing: border-box;
 }
        body { font-family: 'PingFang SC', sans-serif; background: var(--bg); color:
 var(--text); line-height: 1.6; }
        .container { max-width: 
1200px; margin: 0 auto; padding: 0 20px; }
        
header { padding: 20px 0; border-bottom: 1px solid var(--gray); position
: sticky; top: 0; background: rgba(255,255,255,0.95
); z-index: 1000; }
        .nav-inner { display: flex; align
-items: center; justify-content: space-between; }
        .logo-wrap { width: 15
0px; }
        .nav-links { display: flex; gap: 0; }
        .
nav-links a { padding: 10px 15px; text-decoration: none; color: var(--text); font
-weight: 500; transition: color 0.3s; }
        .hero { padding: 8
0px 0; text-align: center; background: linear-gradient(135deg, #e
ef2ff 0%, #fae8ff 100%); }
        h1 { font-size: 3rem
; margin-bottom: 20px; color: #312e81; }
        .btn {
 display: inline-block; padding: 12px 30px; background: var(--primary); color: white; border-
radius: 8px; text-decoration: none; font-weight: bold; transition: transform 0.2
s; }
        .btn:hover { transform: translateY(-2px); }
        section { padding: 6
0px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(280px, 1fr)); gap: 20px; }
        .card { padding
: 30px; border: 1px solid var(--gray); border-radius: 12px; background:
 white; transition: 0.3s; }
        .card:hover { border-color: var(--primary
); box-shadow: 0 10px 20px rgba(0,0,0,0
.05); }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid var(--gray); padding-bottom: 10px; }
        footer { background: #1
11827; color: #9ca3af; padding: 40px 0; text-align: center
; }
        .float-kefu { position: fixed; right: 20px; bottom: 5
0px; width: 100px; z-index: 999; }
        @media (max-width
: 768px) { .nav-links { display: none; } h1 { font-size:
 2rem; } }