:
root { --primary-color: #00d2ff; --secondary-color: #3a7bd5; --text
-color: #333; --bg-light: #f8fbff; }
        * { box-
sizing: border-box; margin: 0; padding: 0; }
        body { font-family: '
PingFang SC', sans-serif; line-height: 1.6; color: var(--text-color);
 background: #fff; }
        .container { max-width: 1200px; margin: 0 auto
; padding: 0 20px; }
        header { background: #fff; border-bottom: 1px solid
 #eee; padding: 15px 0; position: sticky; top: 0; z-index
: 1000; }
        .nav-inner { display: flex; justify-content: space-between; align-
items: center; }
        .nav-links { display: flex; gap: 0; }
        .nav
-links a { padding: 10px 15px; color: #555; text-decoration
: none; font-size: 14px; }
        .hero { padding: 100px
 0; background: linear-gradient(135deg, #e0f7fa, #e1f
5fe); text-align: center; }
        h1 { font-size: 3rem; margin-bottom: 
20px; color: #1a237e; }
        .btn { display: inline-block
; padding: 12px 30px; background: var(--secondary-color); color: #fff; text
-decoration: none; border-radius: 5px; margin-top: 20px; transition: 
0.3s; }
        .section { padding: 60px 0; }
        .grid
 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1
fr)); gap: 30px; margin-top: 40px; }
        .card { padding
: 30px; border-radius: 12px; background: #fff; box-shadow: 0
 5px 15px rgba(0,0,0,0.05); transition: 0.3s; }

        .card:hover { transform: translateY(-5px); }
        .faq-item { margin-bottom: 1
5px; border-bottom: 1px solid #eee; }
        .faq-q { padding: 1
5px 0; cursor: pointer; font-weight: bold; }
        .faq-a { padding
: 10px 0; display: none; color: #666; }
        footer { background: #1
a237e; color: #fff; padding: 40px 0; text-align: center; }

        .footer-links a { color: #fff; margin: 0 10px; text-decoration: none
; }