.sian_tab {width:100%; display:flex; text-align:center;   height:55px;  }
.sian_tab li  {width:50%; display:inline-block; line-height:55px;  text-align:center;  font-size:1.3rem;   background-color:#f5f5f5; letter-spacing:-2px; transition: all 0.3s ease-out;}
.sian_tab li a {color:#333  ; width:100%; display:inline-block }
.sian_tab li.ov {background-color:#00a5b5}
.sian_tab li.ov a {color:#fff  }


:root {
            --bg: #070b13;
            --bg2: #0c1322;
            --card: rgba(255,255,255,.075);
            --card2: rgba(255,255,255,.045);
            --line: rgba(255,255,255,.13);
            --text: #f4f7fb;
            --muted: #aeb9c9;
            --point: #2f8cff;
            --point2: #00d5ff;
            --red: #e43b42;
            --green: #29d18c;
            --max: 1200px;
        }

      
        html { scroll-behavior: smooth; }
        body {
          
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            word-break: keep-all;
        }
        a { color: inherit; text-decoration: none; }
        ul, li { list-style: none; }
        .inner { width:100%; max-width:1200px; margin: 0 auto; }
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,.1);
    background: rgba(7,11,19,.72);
    backdrop-filter: blur(18px);
}

.header-inner {
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-mark {
    line-height: 0;
}

.logo-text strong {
    display: block;
    font-size: 20px;
    letter-spacing: -.04em;
}

.logo-text span {
    display: block;
    margin-top: -2px;
    font-size: 11px;
    color: var(--muted, rgba(255,255,255,.55));
    letter-spacing: .1em;
    text-transform: uppercase;
}

.gnb {
    display: flex;
    align-items: center;
}

.gnb > ul {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.gnb > ul > li {
    position: relative;
}

.gnb > ul > li > a {
    display: block;
    padding: 12px 23px;
    border-radius: 999px;
    font-size: 18px;
    font-weight: 600;
    color:#fff;
    transition: .25s;
}

.gnb > ul > li:hover > a,
.gnb > ul > li:focus-within > a {
    color: #fff;
   
}

.depth2 {
    position: absolute;
    top: calc(100% + 0px);
    left: 50%;
    width: 190px;
    margin: 0;
    padding:20px 10px;
    list-style: none;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 18px;
    background: rgba(9,14,24,.92);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 45px rgba(0,0,0,.28);
    transform: translateX(-50%) translateY(-10px);
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition:
        max-height .35s ease,
        opacity .25s ease,
        transform .35s ease,
        visibility .25s ease;
}

.gnb > ul > li:hover .depth2,
.gnb > ul > li:focus-within .depth2 {
    max-height: 320px;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.depth2 li a {
    display: block;
    padding: 3px 13px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 400;
    color: rgba(255,255,255,.8);
    transition: .25s;
}

.depth2 li a:hover {
    color: #fff;
	text-decoration:underline
 }

.header-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width:40px;
	height:40px;
justify-content: center;
    border: 1px solid rgba(47,140,255,.55);
    border-radius:10px;
    color: #fff;
    font-weight: 700;
    background: rgba(47,140,255,.13);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
    transition: .25s;
}

.header-btn:hover {
    background: rgba(47,140,255,.25);
    transform: translateY(-1px);
}
        .hero {
            position: relative;
            overflow: hidden;
            min-height: 860px;
            padding: 168px 0 92px;
            background:
                radial-gradient(circle at 75% 22%, rgba(47,140,255,.32), transparent 32%),
                radial-gradient(circle at 16% 18%, rgba(0,213,255,.18), transparent 34%),
                linear-gradient(180deg, #09101f 0%, #070b13 100%);
        }
        .hero:before {
            content: "";
            position: absolute;
            inset: 0;
            opacity: .26;
            background-image:
                linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
            background-size: 56px 56px;
            mask-image: linear-gradient(to bottom, #000, transparent 78%);
        }
        .hero:after {
            content: "";
            position: absolute;
            right: -140px;
            top: 130px;
            width: 680px;
            height: 680px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,.09);
            box-shadow: inset 0 0 80px rgba(47,140,255,.12), 0 0 80px rgba(0,213,255,.08);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
            align-items: center;
            gap: 70px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
            padding: 8px 14px;
            border: 1px solid rgba(255,255,255,.15);
            border-radius: 999px;
            color: #dbe8ff;
            font-size: 14px;
            font-weight: 700;
            background: rgba(255,255,255,.06);
        }
       
        .hero h2 {
            font-size:50px;
            line-height: 1.3;
             letter-spacing: -.065em;
            margin-bottom: 28px;
        }
        .hero h2 span {
            display: block;
            background: linear-gradient(90deg, #fff 0%, #d7e8ff 38%, #62dfff 100%);
            -webkit-background-clip: text;
            color: transparent;
        }
        .hero-desc {
            max-width: 660px;
            color: var(--muted);
            font-size: 18px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 40px;
        }
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-width: 170px;
            height: 56px;
            padding: 0 24px;
            border-radius: 16px;
            font-weight: 800;
            transition: .25s;
        }
        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, var(--point), #00b7ff);
            box-shadow: 0 20px 48px rgba(47,140,255,.32);
        }
        .btn-secondary {
            color: #eaf3ff;
            border: 1px solid rgba(255,255,255,.16);
            background: rgba(255,255,255,.055);
        }
        .btn-primary:hover,
        .btn-secondary:hover { transform: translateY(-2px); }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 54px;
            max-width: 660px;
        }
        .stat-card {
            padding: 22px 18px;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: 22px;
            background: rgba(255,255,255,.055);
            backdrop-filter: blur(10px);
        }
        .stat-card strong {
            display: block;
            font-size: 28px;
            line-height: 1;
            letter-spacing: -.04em;
        }
        .stat-card span {
            display: block;
            margin-top: 9px;
            color: var(--muted);
            font-size: 13px;
        }
        .security-visual {
            position: relative;
            min-height: 550px;
        }
        .orb {
            position: absolute;
            inset: 50% auto auto 50%;
            width: 430px;
            height: 430px;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background:
                radial-gradient(circle at 38% 28%, rgba(255,255,255,.72), transparent 0 8%, rgba(255,255,255,.08) 9%, transparent 22%),
                radial-gradient(circle at 50% 48%, rgba(47,140,255,.4), transparent 36%),
                linear-gradient(145deg, rgba(255,255,255,.15), rgba(255,255,255,.035));
            border: 1px solid rgba(255,255,255,.18);
            box-shadow: 0 0 90px rgba(47,140,255,.25), inset 0 0 80px rgba(255,255,255,.08);
        }
        .orb:before,
        .orb:after {
            content: "";
            position: absolute;
            inset: 48px;
            border-radius: 50%;
            border: 1px dashed rgba(255,255,255,.18);
        }
        .orb:after {
            inset: 102px;
            border-style: solid;
            border-color: rgba(0,213,255,.18);
        }
        .shield {
            position: absolute;
            left: 50%;
            top: 50%;
            width: 170px;
            height: 210px;
            transform: translate(-50%, -50%);
            display: grid;
            place-items: center;
            clip-path: polygon(50% 0, 92% 17%, 84% 74%, 50% 100%, 16% 74%, 8% 17%);
            background: linear-gradient(145deg, #2f8cff, #00d5ff);
            box-shadow: 0 24px 60px rgba(0,183,255,.32);
        }
        .shield span {
            display: grid;
            place-items: center;
            width: 76px;
            height: 76px;
            border-radius: 50%;
            color: #fff;
            font-size: 46px;
            font-weight: 900;
            background: rgba(0,0,0,.18);
        }
        .floating-card {
            position: absolute;
            width: 230px;
            padding: 22px;
            border: 1px solid rgba(255,255,255,.15);
            border-radius: 20px;
            background: rgba(10,18,33,.72);
            backdrop-filter: blur(16px);
            box-shadow: 0 24px 60px rgba(0,0,0,.24);
        }
        .floating-card strong {
            display: block;
            margin-bottom: 4px;
            font-size: 22px;
        }
        .floating-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.5;
        }
        .f1 { left: -40px; top: 70px; }
        .f2 { right: -40px; top: 70px; }
        .f3 { right: -40px; bottom:70px; }
        .f4 { left:-40px; bottom: 70px; }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            color: #a8eaff;
			font-weight:600; 
            font-size: 17px;
           
         
        }
        .chip:before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--point2);
            box-shadow: 0 0 14px var(--point2);
        }

        section { position: relative; padding: 110px 0; }
        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 44px;
        }
        .sec-label {
            display: block;
            margin-bottom: 13px;
            color: var(--point2);
            font-size: 13px;
            font-weight: 900;
            letter-spacing: .18em;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: clamp(32px, 4vw, 48px);
            line-height: 1.18;
            letter-spacing: -.05em;
        }
        .section-head p {
            max-width: 520px;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.75;
        }

        .solution {
            background:
                radial-gradient(circle at 8% 10%, rgba(0,213,255,.11), transparent 30%),
                radial-gradient(circle at 90% 40%, rgba(47,140,255,.12), transparent 34%);
        }
        .solution-grid {
            display: flex;
            grid-template-columns: repeat(4, 1fr);
          
        }
        .solution-card {
            position: relative;
            overflow: hidden;
           width:20%; 
            padding: 28px;
            border: 1px solid var(--line);
           
            background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
            transition: .28s;
        }
        .solution-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0,213,255,.34);
            box-shadow: 0 28px 70px rgba(0,0,0,.28);
        }
      
        .solution-card em {
            display: inline-grid;
            place-items: center;
            width: 47px;
            height: 47px;
            margin-bottom: 26px;
            border-radius: 10px;
            color: #fff;
            font-style: normal;
            font-weight: 400;
			font-size:18px;
            background: rgba(47,140,255,.22);
            border: 1px solid rgba(47,140,255,.35);
        }
        .solution-card h3 {
            margin-bottom: 12px;
            font-size: 25px;
            letter-spacing: -.035em;
        }
        .solution-card p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.6;
        }
        .solution-card:hover   {
            grid-column: span 2;
            background: linear-gradient(135deg, rgba(47,140,255,.28), rgba(0,213,255,.1));
        }

        .about-wrap {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 60px;
            align-items: center;
        }
        .about-panel {
            padding: 40px;
            border: 1px solid rgba(255,255,255,.13);
            border-radius: 34px;
            background:
                linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035)),
                radial-gradient(circle at 20% 20%, rgba(47,140,255,.18), transparent 36%);
        }
        .about-panel h2 {
            margin-bottom: 20px;
            font-size: clamp(34px, 4vw, 48px);
            line-height: 1.2;
            letter-spacing: -.055em;
        }
        .about-panel p {
            color: var(--muted);
            font-size: 17px;
            line-height: 1.85;
        }
        .info-list {
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,.12);
        }
        .info-list li {
            display: grid;
            grid-template-columns: 110px 1fr;
            gap: 18px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,255,255,.09);
            color: #dfe9f8;
        }
        .info-list span { color: var(--muted); }
        .about-cards {
            display: grid;
            gap: 18px;
        }
        .about-card {
            display: grid;
            grid-template-columns: 62px 1fr;
            gap: 20px;
            padding: 28px;
            border: 1px solid rgba(255,255,255,.11);
            border-radius: 26px;
            background: rgba(255,255,255,.045);
        }
        .about-icon {
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            border-radius: 20px;
            font-size: 26px;
            background: rgba(0,213,255,.12);
            border: 1px solid rgba(0,213,255,.22);
        }
        .about-card h3 {
            margin-bottom: 7px;
            font-size: 21px;
            letter-spacing: -.035em;
        }
        .about-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }

        .business {
         padding:0
        }
        
        .business-main {
		 width:100%; 
		 text-align:center; 
             padding: 44px 0;
        /*     border: 1px solid rgba(255,255,255,.12);
                      
            background:
                linear-gradient(135deg, rgba(47,140,255,.2), rgba(255,255,255,.045)),
                radial-gradient(circle at 72% 20%, rgba(0,213,255,.18), transparent 30%); */
        }
        .business-main h3 {
             margin-bottom: 22px;
            font-size: 36px;
            line-height: 1.25;
            letter-spacing: -.05em;
        }
        .business-main p {
         width:100%; 
		  text-align:center; 
            color: var(--muted);
            font-size: 17px;
            line-height: 1.85;
			padding:0 100px;
			box-sizing:border-box
        }
        .business-tags {
            display: flex;
            flex-wrap: wrap;
justify-content:center; 
            gap: 10px;
            margin-top: 34px;
        }
        .business-tags span {
            padding: 10px 14px;
            border-radius: 999px;
            color: #dcecff;
            font-size: 14px;
            font-weight: 700;
            background: rgba(255,255,255,.075);
            border: 1px solid rgba(255,255,255,.12);
        }
        .process-list {
            display: grid;
            gap: 16px;
        }
        .process-list li {
            display: grid;
            grid-template-columns: 52px 1fr;
            gap: 16px;
            padding: 24px;
            border: 1px solid rgba(255,255,255,.11);
            border-radius: 24px;
            background: rgba(255,255,255,.045);
        }
        .process-list b {
            display: grid;
            place-items: center;
            width: 52px;
            height: 52px;
            border-radius: 18px;
            background: rgba(47,140,255,.18);
            color: #a8d6ff;
        }
        .process-list strong {
            display: block;
            margin-bottom: 4px;
            font-size: 19px;
        }
        .process-list span {
            color: var(--muted);
            font-size: 14px;
        }
 .contact {
            margin-top:100px; 
            padding:0; 
            border: 1px solid rgba(255,255,255,.14);
           
            background:
                linear-gradient(135deg, rgba(47,140,255,.24), rgba(0,213,255,.08)),
                linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
        }


        .contact-box {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 40px;
            padding: 54px 0;
            
            
        }
       
        .contact-box h2 {
            margin-bottom: 18px;
            font-size: clamp(32px, 4vw, 48px);
            line-height: 1.18;
            letter-spacing: -.055em;
        }
        .contact-box p {
            color: var(--muted);
            font-size: 17px;
            line-height: 1.8;
        }
        .contact-info {
            position: relative;
            z-index: 2;
            display: grid;
            gap: 14px;
        }
        .contact-item {
            padding: 20px 22px;
            border: 1px solid rgba(255,255,255,.13);
            border-radius: 22px;
            background: rgba(0,0,0,.15);
        }
        .contact-item span {
            display: block;
            margin-bottom: 4px;
            color: #a9dfff;
            font-size: 13px;
            font-weight: 900;
            letter-spacing: .08em;
        }
        .contact-item strong {
            display: block;
            font-size: 18px;
            letter-spacing: -.025em;
        }

        .site-footer {
            padding: 42px 0 52px;
            border-top: 1px solid rgba(255,255,255,.1);
            color: var(--muted);
            background: #060912;
        }
        .footer-inner {
		 
            display: flex;
            align-items: center;
           
            gap:30px;
        }
        .footer-info p { margin-top: 8px; font-size: 14px; }
        .footer-copy { font-size: 13px;  margin-left:auto;   color: rgba(255,255,255,.42); }

       

	   
        .scroll_down {
            position: absolute;
            bottom: 55%;
            left: 50px;
			 
            z-index: 9999999999;
        }

        .scroll_down .cont {
            position: absolute;
            bottom: 100%;
            transform: rotateZ(90deg) translateX(-50%);
            transform-origin: 0 100%;
        }

        .scroll_down .cont .txt {
            position: relative;
            white-space: nowrap;
            padding-right: 65px;
        }

        .scroll_down .cont .txt::before {
            content: '';
            position: absolute;
            top: 5px;
            right: 0;
			 
            width: 40px;
            height: 30px;
            border: 2px solid #fff;
            border-radius: 50px;
        }

        .scroll_down .cont .txt::after {
            content: '';
            display: block;
            position: absolute;
            top: calc(50% + 0px);
            right: 30px;
            width: 8px;
            height: 4px;
            border-radius: 2em;
            background: #fff;
            animation: scroll 2s infinite;
        }

        .scroll_down .cont .txt p {
            padding: 10px 0;
            color: #fff;
            font-size: 13px;
            font-family: "Montserrat", sans-serif;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }



        @keyframes scroll {
            0% {
                transform: translate(0, 0);
                opacity: 0;
            }

            40% {
                opacity: 1;
            }

            80% {
                transform: translate(20px, 0);
                opacity: 0;
            }

            100% {
                opacity: 0;
            }
        }