* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Segoe UI', 'Microsoft YaHei', sans-serif;
            background-color: #f5f3ff;
            color: #0c0f2e;
            line-height: 1.55;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }
          .sl-banner{
            width: 100%;
            height: 671px;
            background: url(../images/fortinet.png) right center no-repeat #361FE1;
            border-bottom: 1px solid rgb(101, 101, 101);
        }  
        .sl-banCon {
            box-sizing: border-box;
            padding-top: 240px;
        }
        .sl-banCon>h1 {
            font-size: 36px;
            color: #fff;
            font-weight: bold;
        }
        .sl-banCon>p {
            font-size: 22px;
            margin: 30px 0px 50px;
            color: #fff;
            width: 600px;
            line-height: 30px;
        }
        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1.125rem;
            font-weight: 600;
        }
        .btn-primary {
            background: linear-gradient(135deg, #2f54eb 0%, #1d39c4 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(47, 84, 235, 0.2);
            border: 1px solid #2f54eb;
        }
        .sl-banCon .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 0.5rem;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
            user-select: none;
            outline: none;
        }
        .grid-bg {
            background-image:
                linear-gradient(rgba(102, 51, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(102, 51, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        .hero {
            padding: 68px 0 36px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -18%;
            right: -4%;
            width: 720px;
            height: 720px;
            background: radial-gradient(circle, rgba(170, 130, 255, 0.08) 0%, rgba(80, 60, 255, 0.02) 72%);
            border-radius: 50%;
            z-index: -1;
        }

        .hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-text {
            flex: 1 1 460px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(103, 58, 255, 0.12);
            color: #4a1fcc;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 24px;
            border: 1px solid rgba(90, 40, 255, 0.25);
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 3.85rem;
            font-weight: 800;
            line-height: 1.08;
            letter-spacing: -1.6px;
            background: linear-gradient(135deg, #140b47, #3b289c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 24px;
        }

        .hero .highlight {
            background: linear-gradient(120deg, #5f2bff, #a566ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.14rem;
            color: #2d2f5e;
            max-width: 640px;
            margin-bottom: 32px;
            border-left: 4px solid #5f2bff;
            padding: 18px 0 18px 24px;
            background: rgba(255, 255, 255, 0.55);
            backdrop-filter: blur(4px);
            border-radius: 0 14px 14px 0;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 1.95rem;
            font-weight: 800;
            color: #140b47;
        }

        .stat-label {
            font-size: 0.92rem;
            color: #4f4f8b;
        }

        .hero-visual {
            flex: 1 1 400px;
            background: radial-gradient(circle at 30% 30%, #ffffff, #ede9ff);
            border-radius: 40px;
            padding: 22px;
            box-shadow: 0 40px 70px -20px rgba(75, 0, 180, 0.25);
            border: 1px solid rgba(255,255,255,0.72);
            backdrop-filter: blur(8px);
        }

        .network-graphic {
            width: 100%;
            aspect-ratio: 1.18 / 1;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 420 350" fill="none"><defs><linearGradient id="g" x1="60" y1="60" x2="360" y2="280" gradientUnits="userSpaceOnUse"><stop stop-color="%235f2bff"/><stop offset="1" stop-color="%23a566ff"/></linearGradient></defs><rect x="0" y="0" width="420" height="350" rx="40" fill="%23f7f3ff"/><circle cx="210" cy="175" r="54" fill="%23140b47"/><text x="210" y="168" text-anchor="middle" fill="white" font-size="16" font-family="Arial" font-weight="700">FortiGate</text><text x="210" y="190" text-anchor="middle" fill="%23c9b9ff" font-size="11" font-family="Arial">Secure SD-WAN</text><rect x="80" y="68" width="88" height="54" rx="18" fill="white" stroke="%23d8ccff"/><text x="124" y="94" text-anchor="middle" fill="%23291d67" font-size="12" font-family="Arial" font-weight="700">分支站点</text><text x="124" y="111" text-anchor="middle" fill="%23645594" font-size="10" font-family="Arial">MPLS / Internet</text><rect x="255" y="58" width="98" height="54" rx="18" fill="white" stroke="%23d8ccff"/><text x="304" y="84" text-anchor="middle" fill="%23291d67" font-size="12" font-family="Arial" font-weight="700">云与 SaaS</text><text x="304" y="101" text-anchor="middle" fill="%23645594" font-size="10" font-family="Arial">统一访问</text><rect x="78" y="240" width="92" height="54" rx="18" fill="white" stroke="%23d8ccff"/><text x="124" y="266" text-anchor="middle" fill="%23291d67" font-size="12" font-family="Arial" font-weight="700">园区网络</text><text x="124" y="283" text-anchor="middle" fill="%23645594" font-size="10" font-family="Arial">LAN / WLAN</text><rect x="252" y="238" width="104" height="54" rx="18" fill="white" stroke="%23d8ccff"/><text x="304" y="264" text-anchor="middle" fill="%23291d67" font-size="12" font-family="Arial" font-weight="700">集中运营</text><text x="304" y="281" text-anchor="middle" fill="%23645594" font-size="10" font-family="Arial">Manager / Analyzer</text><path d="M168 104 C196 124 193 138 184 148" stroke="url(%23g)" stroke-width="4" stroke-linecap="round"/><path d="M255 96 C233 118 232 135 236 147" stroke="url(%23g)" stroke-width="4" stroke-linecap="round"/><path d="M170 257 C193 237 194 221 185 205" stroke="url(%23g)" stroke-width="4" stroke-linecap="round"/><path d="M252 256 C232 238 228 221 236 205" stroke="url(%23g)" stroke-width="4" stroke-linecap="round"/><circle cx="124" cy="122" r="6" fill="%235f2bff"/><circle cx="304" cy="112" r="6" fill="%239266ff"/><circle cx="124" cy="240" r="6" fill="%239266ff"/><circle cx="304" cy="238" r="6" fill="%235f2bff"/></svg>') no-repeat center;
            background-size: contain;
        }

        .capability-strip {
            background: rgba(255,255,255,0.78);
            backdrop-filter: blur(8px);
            border-radius: 70px;
            padding: 44px 46px;
            margin: 58px 0 28px;
            border: 1px solid #ffffff;
            box-shadow: 0 20px 40px -20px #a185ff;
        }

        .capability-strip h3 {
            font-size: 2.1rem;
            font-weight: 700;
            margin-bottom: 28px;
            color: #0c0f2e;
        }

        .capability-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 22px;
        }

        .capability-pill {
            background: #f0eaff;
            border-radius: 50px;
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: #2e1d73;
            border: 1px solid #ffffff;
            box-shadow: 0 4px 8px -4px #b29eff;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin: 72px 0 56px;
        }

        .feature-card {
            background: rgba(255,255,255,0.82);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(95, 43, 255, 0.25);
            border-radius: 40px;
            padding: 38px 32px;
            transition: all 0.3s ease;
            box-shadow: 0 30px 40px -20px rgba(61, 20, 140, 0.25);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            border-color: #5f2bff80;
            background: rgba(255,255,255,0.96);
            box-shadow: 0 40px 50px -20px rgba(111, 67, 255, 0.45);
        }

        .feature-icon {
            background: linear-gradient(145deg, #f0eaff, #ffffff);
            width: 80px;
            height: 80px;
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            color: #5f2bff;
            margin-bottom: 24px;
            border: 1px solid #ffffff;
            box-shadow: 0 10px 20px -10px #a185ff;
        }

        .feature-card h2 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: #0c0f2e;
        }

        .feature-card p {
            color: #2e3063;
            font-size: 1.02rem;
            margin-bottom: 26px;
            line-height: 1.68;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 16px 0;
        }

        .tag {
            background: #e9deff;
            border-radius: 40px;
            padding: 8px 18px;
            font-weight: 600;
            font-size: 0.98rem;
            color: #3d20a0;
            border: 1px solid #bba5ff;
        }

        .feature-note {
            border-top: 2px dashed #bba5ff;
            padding-top: 20px;
            margin-top: 18px;
            color: #2e1d73;
            font-weight: 500;
        }

        .scene-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 24px;
            margin: 34px 0 18px;
        }

        .scene-pill {
            background: white;
            border-radius: 60px;
            padding: 12px 24px;
            font-weight: 600;
            color: #341c7a;
            box-shadow: 0 4px 15px -8px #7f62c7;
            border: 1px solid #e2d4ff;
        }

        .dark-band {
            background: linear-gradient(110deg, #100c2b, #21154e);
            color: white;
            border-radius: 70px;
            padding: 68px 60px;
            margin: 70px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .dark-left {
            flex: 1 1 350px;
        }

        .dark-left h3 {
            font-size: 2.55rem;
            font-weight: 700;
            line-height: 1.2;
            background: linear-gradient(145deg, #ffffff, #cfbfff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 18px;
        }

        .dark-left p {
            font-size: 1.12rem;
            opacity: 0.92;
            max-width: 530px;
        }

        .dark-right {
            flex: 1 1 320px;
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(8px);
            border-radius: 48px;
            padding: 30px 28px;
            border: 1px solid #9482cf;
        }

        .dark-list {
            list-style: none;
        }

        .dark-list li {
            padding: 16px 0;
            border-bottom: 1px solid #4f3e8a;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-weight: 500;
        }

        .dark-list li:last-child {
            border-bottom: none;
        }

        .dark-index {
            color: #bba5ff;
            font-size: 1.2rem;
            font-weight: 800;
            min-width: 28px;
        }

        .trust-banner {
            background: #190f38;
            color: white;
            border-radius: 60px;
            padding: 48px 48px;
            margin: 76px 0;
            background-image: radial-gradient(circle at 72% 30%, #4d31a0, #110830);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .trust-main {
            flex: 1 1 420px;
        }

        .trust-main h4 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .trust-main p {
            color: rgba(255,255,255,0.84);
            font-size: 1.04rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .trust-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .trust-badge-list span {
            background: #32266b;
            border-radius: 50px;
            padding: 12px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            border: 1px solid #8a70cf;
        }

        .trust-side {
            flex: 1 1 280px;
            background: rgba(255,255,255,0.07);
            border-radius: 38px;
            padding: 28px;
        }

        .trust-side strong {
            display: block;
            font-size: 1.15rem;
            margin-bottom: 14px;
        }

        .trust-side ul {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .trust-side li {
            color: rgba(255,255,255,0.8);
            line-height: 1.65;
        }

        .footer-note {
            border-top: 1px solid #bba5ff;
            padding: 30px 0 40px;
            display: flex;
            justify-content: space-between;
            color: #2b246b;
            flex-wrap: wrap;
            gap: 15px;
        }

        .badge-light {
            background: #e2d4ff;
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        @media (max-width: 900px) {
            .container { padding: 0 24px; }
            .hero h1 { font-size: 2.9rem; }
            .feature-grid { grid-template-columns: 1fr; }
        }
        .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 102, 255, 0.15);
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 20px;
}
.nav-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}
.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #2c405e;
    transition: 0.2s;
    font-size: 1rem;
}
.nav-links a:hover, .nav-links a.active {
    color: #0066ff;
    border-bottom: 2px solid #0066ff;
    padding-bottom: 4px;
}