* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        body {
            background: linear-gradient(145deg, #f0faff 0%, #e6f7ff 100%);
            color: #1e293b;
            line-height: 1.6;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* navigation */
        nav {
            background: rgba(255,255,255,0.7);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(14,165,233,0.15);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(14,165,233,0.05);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 20px;
        }
        .nav-links a {
            text-decoration: none;
            color: #1e293b;
            font-weight: 500;
            padding: 8px 4px;
            border-radius: 30px;
            transition: all 0.2s;
            font-size: 1rem;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 4px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #0ea5e9, #7dd3fc);
            transition: width 0.3s;
        }
        .nav-links a:hover::after {
            width: calc(100% - 8px);
        }
        .nav-links a:hover {
            color: #0ea5e9;
        }
        .brand-logo {
            font-weight: 700;
            font-size: 1.5rem;
            background: linear-gradient(135deg, #0ea5e9, #38bdf8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        /* cards */
        .card {
            background: rgba(255,255,255,0.65);
            backdrop-filter: blur(10px);
            border-radius: 28px;
            padding: 32px 28px;
            box-shadow: 0 8px 32px rgba(14,165,233,0.07);
            border: 1px solid rgba(255,255,255,0.5);
            transition: transform 0.2s ease;
        }
        .card:hover {
            transform: translateY(-2px);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
            background: linear-gradient(135deg, #0ea5e9, #0c4a6e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-title span {
            background: #e0f2fe;
            padding: 6px 14px;
            border-radius: 60px;
            font-size: 0.8rem;
            -webkit-text-fill-color: #0c4a6e;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        img {
            max-width: 100%;
            border-radius: 18px;
            display: block;
            object-fit: cover;
            height: auto;
        }
        .hero-img-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #0ea5e9, #7dd3fc);
            color: white;
            padding: 12px 34px;
            border-radius: 60px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s;
            box-shadow: 0 4px 14px rgba(14,165,233,0.25);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 24px rgba(14,165,233,0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #0ea5e9;
            color: #0ea5e9;
            box-shadow: none;
        }
        .faq-item {
            border-bottom: 1px solid rgba(14,165,233,0.15);
            padding: 20px 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0c4a6e;
            margin-bottom: 8px;
        }
        .faq-answer {
            color: #334155;
        }
        .news-card {
            background: white;
            border-radius: 24px;
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            border: 1px solid rgba(14,165,233,0.08);
            transition: all 0.2s;
        }
        .news-card:hover {
            border-color: #7dd3fc;
            box-shadow: 0 8px 24px rgba(14,165,233,0.08);
        }
        .news-date {
            font-size: 0.8rem;
            color: #64748b;
            display: block;
            margin-bottom: 6px;
        }
        footer {
            background: rgba(15, 23, 42, 0.03);
            backdrop-filter: blur(8px);
            border-top: 1px solid rgba(14,165,233,0.1);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-links a {
            color: #1e293b;
            text-decoration: none;
            margin: 0 8px;
            transition: color 0.15s;
        }
        .footer-links a:hover {
            color: #0ea5e9;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .align-center {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        @media (max-width: 900px) {
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero-img-grid {
                grid-template-columns: 1fr;
            }
            .nav-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }