.sub-visual { position: relative; overflow: hidden; height: 360px; background: linear-gradient(115deg, rgba(5, 23, 49, .94) 0%, rgba(8, 45, 89, .9) 52%, rgba(7, 13, 22, .96) 100%), radial-gradient(circle at 78% 28%, rgba(230, 0, 18, .55), transparent 30%); }
.sub-visual:before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(to bottom, #000, transparent 92%); }
.sub-visual:after { content: "DOOJEON"; position: absolute; right: -20px; bottom: -35px; color: rgba(255,255,255,.055); font-size: clamp(74px, 13vw, 170px); font-weight: 900; letter-spacing: 1px; line-height: .8; }

.visual-inner { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.visual-copy .eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom:5px }
.visual-copy h1 { font-size: clamp(38px, 5vw, 58px); line-height: 1.18; font-weight: 800; letter-spacing: -0.055em; }
.visual-copy p { margin-top: 18px; max-width: 640px;   color:#fff; font-size:35px; line-height:1.5; font-weight:400}
.visual-copy p b {font-weight:800}
 


.visual-icon { flex: 0 0 230px; height: 230px; position: relative; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.055); box-shadow: inset 0 0 60px rgba(255,255,255,.05), 0 24px 70px rgba(0,0,0,.24); }
.visual-icon:before, .visual-icon:after { content: ""; position: absolute; border-radius: 50%; }
.visual-icon:before { inset: 34px; border: 1px dashed rgba(255,255,255,.26); }
.visual-icon:after { left: 50%; top: 50%; width: 86px; height: 106px; transform: translate(-50%, -50%); clip-path: polygon(50% 0, 92% 18%, 84% 74%, 50% 100%, 16% 74%, 8% 18%); background: linear-gradient(135deg, #e60012, #ff5a64); box-shadow: 0 18px 44px rgba(230,0,18,.34); }

.sub-visual-network {
    background:
        linear-gradient(115deg, rgba(4, 16, 34, .96) 0%, rgba(0, 74, 145, .88) 52%, rgba(5, 8, 15, .97) 100%),
        radial-gradient(circle at 78% 30%, rgba(0, 120, 212, .5), transparent 34%);
}

.sub-visual-control {
    background:
        linear-gradient(115deg, rgba(5, 10, 18, .97) 0%, rgba(6, 58, 90, .9) 50%, rgba(5, 13, 22, .96) 100%),
        radial-gradient(circle at 78% 28%, rgba(0, 190, 210, .42), transparent 32%);
}


/* ==============================
   01. 네트워크 아이콘
============================== */

.visual-icon-network {
    flex: 0 0 230px;
    height: 230px;
    position: relative;
    border-radius: 44px;
    border: 1px solid rgba(255,255,255,.18);
    background:
        linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
    box-shadow:
        inset 0 0 60px rgba(255,255,255,.04),
        0 24px 70px rgba(0,0,0,.28);
}

/* 기존 visual-icon after 덮어쓰기 */
.visual-icon-network:before,
.visual-icon-network:after {
    content: "";
    position: absolute;
    border-radius: 0;
}

.visual-icon-network:before {
    left: 50%;
    top: 50%;
    width: 132px;
    height: 132px;
    transform: translate(-50%, -50%) rotate(45deg);
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(255,255,255,.035);
}

.visual-icon-network:after {
    left: 50%;
    top: 50%;
    width: 96px;
    height: 96px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,.28);
}

.visual-icon-network .core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 58px;
    height: 58px;
    transform: translate(-50%, -50%);
    border-radius: 18px;
    background: linear-gradient(135deg, #0078D4, #21B3F3);
    box-shadow: 0 18px 42px rgba(0,120,212,.36);
}

.visual-icon-network .core:before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 24px;
    height: 24px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: rgba(255,255,255,.95);
}

.visual-icon-network .node {
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 22px rgba(33,179,243,.65);
}

.visual-icon-network .node:before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 74px;
    height: 1px;
    background: rgba(255,255,255,.22);
    transform-origin: left center;
}

.visual-icon-network .node1 {
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
}

.visual-icon-network .node1:before {
    transform: rotate(90deg);
}

.visual-icon-network .node2 {
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
}

.visual-icon-network .node2:before {
    transform: rotate(180deg);
}

.visual-icon-network .node3 {
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
}

.visual-icon-network .node3:before {
    transform: rotate(-90deg);
}

.visual-icon-network .node4 {
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
}

.visual-icon-network .node4:before {
    transform: rotate(0deg);
}


/* ==============================
   02. 관제 / 데이터 아이콘
============================== */

.visual-icon-control {
    flex: 0 0 230px;
    height: 230px;
    position: relative;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.18);
    background:
        radial-gradient(circle at 50% 46%, rgba(255,255,255,.12), rgba(255,255,255,.035) 56%, rgba(255,255,255,.02) 100%);
    box-shadow:
        inset 0 0 70px rgba(255,255,255,.05),
        0 24px 70px rgba(0,0,0,.28);
}

/* 기존 visual-icon after 덮어쓰기 */
.visual-icon-control:before,
.visual-icon-control:after {
    content: "";
    position: absolute;
}

.visual-icon-control:before {
    left: 50%;
    top: 50%;
    width: 142px;
    height: 100px;
    transform: translate(-50%, -50%);
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,.24);
    background:
        linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
}

.visual-icon-control:after {
    left: 50%;
    top: 50%;
    width: 164px;
    height: 164px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px dashed rgba(255,255,255,.24);
    background: transparent;
}

.visual-icon-control .bar {
    position: absolute;
    left: 50%;
    width: 76px;
    height: 10px;
    transform: translateX(-50%);
    border-radius: 20px;
    background: rgba(255,255,255,.82);
    z-index: 2;
}

.visual-icon-control .bar:before {
    content: "";
    position: absolute;
    left: -18px;
    top: 50%;
    width: 8px;
    height: 8px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: #21B3F3;
    box-shadow: 0 0 16px rgba(33,179,243,.85);
}

.visual-icon-control .bar1 {
    top: 82px;
}

.visual-icon-control .bar2 {
    top: 110px;
    width: 92px;
}

.visual-icon-control .bar3 {
    top: 138px;
    width: 64px;
}

 


@media all and (max-width:900px) {
		.sub-visual {height:300px}
		.visual-inner {flex-wrap:wrap}
		.visual-icon {display:none}
		.visual-copy p {max-width:100%; font-size:1.6em}
		.sub-visual:after {bottom:-10px}
 }


.breadcrumb { border-bottom: 1px solid rgba(255,255,255,.3); }
.breadcrumb .inner { height: 58px; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.9); font-size: 15px; }
.breadcrumb b { font-weight: 700; }
.breadcrumb i { color: #b6bdc8; font-style: normal; }
 
.lnb { margin-bottom: 90px; margin-top: 50px; display: flex; align-self: start; top: 28px; }
.lnb-title { padding: 24px 20px; background: #102d52; }
.lnb-title span { display: block; margin-bottom: 4px; color: rgba(255,255,255,.58); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lnb-title strong { display: block; font-size: 22px; line-height: 1.25; font-weight: 800; letter-spacing: -0.045em; }
.lnb a {color:#fff;  width: 100%; display: flex; align-items: center; justify-content: space-between; min-height: 54px; padding: 0 18px; border: 1px solid rgba(255,255,255,.2); margin-right: -1px; font-size: 17px; font-weight: 400; transition: .2s; }
.lnb a:hover, .lnb a.active { color: #e60012; background: #fafbfc; font-weight: 600; }
.lnb a.active:after { color: #e60012; }

@media all and (max-width:900px) {
		.lnb { overflow-x:auto; gap:20px; margin-top:0 }
		.lnb a {width:auto; white-space:nowrap; font-size:1.1em; border:none; padding:0}
		.lnb a:hover, .lnb a.active {background:none}


}
.content-head { margin-bottom: 42px; padding-bottom: 28px; border-bottom: 1px solid #dfe4eb; }
.content-head .cat { display: inline-block; margin-bottom: 14px; color: #e60012; font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.intro-box { position: relative; overflow: hidden; margin-bottom: 62px; padding:65px 42px; border: 1px solid rgba(255,255,255,.3); border-left: 5px solid #e60012; }
.intro-box:after { content: ""; position: absolute; right: 26px; bottom: -35px; color: #fff; opacity: .1; font-size: 120px; line-height: 1; font-weight: 900; letter-spacing: 1px; }
.solution1 .intro-box:after { content: "NGF"; }
.solution2 .intro-box:after { content: "VPN"; }
.solution3 .intro-box:after { content: "IPS"; }
.solution4 .intro-box:after { content: "Anti-DDoS"; }
.solution5 .intro-box:after { content: "NAC"; }

/* .solution2 .intro-box { border-left: 5px solid #F97316; }
.solution3 .intro-box {  border-left: 5px solid #FACC15; }
.solution4 .intro-box {  border-left: 5px solid #22C55E; }
.solution5 .intro-box { border-left: 5px solid #06B6D4; }
.solution6 .intro-box { border-left: 5px solid #0078D4; }
.solution7 .intro-box { border-left: 5px solid #8B5CF6; } */


.intro-box h3 { position: relative; z-index: 2; margin-bottom: 15px; color: #fff; font-size:27px; line-height: 1.2; font-weight: 700;   }
.intro-box p {color: var(--gray);}

@media all and (max-width:900px) {

	.intro-box { border:none; padding:0; }
	.intro-box:after { display:none}

}

.section-title { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; color: #fff; }
.section-title b { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; font-size: 17px; font-weight: 600; }
.section-title h3 { font-size: 30px; line-height: 1.25; font-weight: 800; letter-spacing: -0.05em; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-card { position: relative; min-height: 218px; padding: 30px 30px 28px; border: 1px solid rgba(255,255,255,.3); box-shadow: 0 14px 34px rgba(14, 32, 54, .06); transition: .24s; }
.feature-card:before { content: ""; position: absolute; left: -1px; top: 0; width: 4px; height: 100%; background: #e60012; transform: scaleY(0); transform-origin: top; transition: .24s; }
.feature-card:hover { transform: translateY(-5px); border-color: #ced7e3; box-shadow: 0 22px 50px rgba(14, 32, 54, .1); }
.feature-card:hover:before { transform: scaleY(1); }
.feature-card .num { display: block; margin-bottom: 20px; font-size: 34px; line-height: 1; font-weight: 700; }
.feature-card h4 { margin-bottom: 12px; color: #fff; font-size: 21px; line-height: 1.35; font-weight: 800; letter-spacing: -0.04em; }
.feature-card p {color: var(--gray); }

@media all and (max-width:900px) {
		.section-title h3 { font-size:1.6em }

		.feature-grid {display:flex;  flex-wrap:wrap}
		.feature-card {width:100%; padding:25px;  min-height:auto}
		.feature-card h4 {font-size:1.2em}
		.feature-card .num {font-size:1.1em}
}


.function-list { border-top: 1px solid #fff;  }
.function-item { display: flex; align-items: center; gap: 32px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.3); box-sizing:border-box; }
.function-name { display: flex; align-items: center; gap: 12px; width:400px; flex-shrink:0}
.function-name em { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 50%; font-style: normal; font-size: 16px; font-weight: 600; background: #e60012; }
.function-name strong { padding-top: 2px; font-size: 20px; line-height: 1.35; font-weight: 600; color: #fff; letter-spacing: -0.04em;  }
.function-item p.function-desc {color: var(--gray);}


@media all and (max-width:900px) {
		.function-item {flex-wrap:wrap;  gap:15px; }
		.function-item p.function-desc {width:100%; padding-right:10px; box-sizing:border-box }
		.function-name {width:100%}
		.function-name em {border-radius:0; width:40px; height:40px}
 
}

.summary-band { margin-top: 70px; padding: 36px 40px; background: linear-gradient(115deg, rgba(16,45,82,.96), rgba(6,23,43,.96)), radial-gradient(circle at 86% 22%, rgba(230,0,18,.45), transparent 32%); }
.summary-band h3 { margin-bottom: 14px; font-size: 26px; line-height: 1.35; font-weight: 800;   }
.summary-band p { color: rgba(255,255,255,.75); font-size: 16px; line-height: 1.85; }
 
section#function {margin-top:60px} 
.about section + section {padding-top:100px}
.about section h2 {font-size:1.7em; text-align:center; margin-bottom:20px}


.about1 .flex {gap:50px; width:100%;  margin:0 auto;  align-items:center}
.about1 .text_box b {font-size:1.7em}
.about1 .img_box {width:40%; padding-bottom:35%; position:relative; flex-shrink:0; }
.about1 .img_box p  {width:calc(100% - 50px); float:right; height:calc(100% - 50px); display:inline-block; background:url('/common/img/22455058.jpg') no-repeat center; background-size:cover !important;  position:absolute; z-index:99; right:0;}
.about1 .img_box p + p { opacity:.3;  position:absolute; left:0; bottom:0; z-index:9; } 

@media all and (max-width:900px) {
 .about1 .img_box {width:100%; padding-bottom:0; height:200px}
.about1 .text_box b {font-size:1.5em; line-height:1.5}
}
.about2 .flex {gap:50px; width:100%;  margin:0 auto;  align-items:center}
.about2 .info_box {width:100%; display:flex; flex-wrap:wrap}
.about2 dl {width:50%; display:flex; gap:20px; border-bottom:1px solid rgba(255,255,255,.2); padding:13px 0; position:relative}
.about2 dl:last-child {width:100%}
/* .about2 dl:after {content:''; position:absolute; left:0; bottom:-1px; width:140px; background-color:#e60012; height:1px}
 */.about2 dl dt {width:140px; flex-shrink:0; font-weight:600}
.about2 .img_box {width:40%; padding-bottom:35%; position:relative; flex-shrink:0; }
.about2 .img_box p  {width:calc(100% - 50px); float:right; height:calc(100% - 50px); display:inline-block; background:url('/common/img/22455058.jpg') no-repeat center; background-size:cover !important;  position:absolute; z-index:99; right:0;}
.about2 .img_box p + p { opacity:.3;  position:absolute; left:0; bottom:0; z-index:9; } 
.about2 .img_box + div {width:100%}

@media all and (max-width:900px) {
	.about2 dl {width:100%; gap:2px 0; flex-wrap:wrap; padding:14px 0}
	.about2 dl dt {width:100%; }
	.about2 dl:after { display:none }

}

.history-list { position: relative;}

.history-list::before { content: ""; position: absolute; top: 12px; left: 145px; width: 1px; height: calc(100% - 24px); background: #d8dde5; opacity:.5 }

.history-item { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 55px; padding: 0 0 36px; }
.history-item:last-child { padding-bottom: 0; }

.history-item::before { content: ""; position: absolute; top: 9px; left: 145px; z-index: 1; width: 14px; height: 14px; margin-left:-6px;  border-radius: 50%; background: #087cc2; box-sizing: border-box; }

.history-year { font-size: 36px; font-weight: 800; line-height: 1; letter-spacing: -0.03em; }

.history-content { border:1px solid rgba(255,255,255,.3);  padding:20px; box-sizing:border-box }

.history-row { display: flex; align-items: flex-start; gap: 18px; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.history-row:first-child { padding-top: 0; }
.history-row:last-child { padding-bottom: 0; border-bottom: 0; }

.history-row .month {   display: inline-flex; align-items: center; justify-content: center; width: 45px; height: 28px; border-radius: 999px; background: #fff; color: #087cc2; font-size: .95em; font-weight:600; }

@media all and (max-width:900px) {
	.history-item { display:flex; flex-wrap:Wrap; gap:10px; width:100% }
	.history-item::before {display:none}
	.history-content {width:100%}
	.history-list::before {display:none }
	.history-year {font-size:1.5em}


}

.about4 .map_link a {border:1px solid #fff; color:#fff;  width:130px; height:70px; display:flex; align-items:center; justify-content: center; }
.about4  a {color:#fff}

@media all and (max-width:900px) {
	 .about4 .map_link  a {height:auto; padding:10px}

}

 
.application { gap:100px;   margin-top:100px}
.application div.r_area {width:30%; flex-shrink:0}
.application div.r_area h2 {font-size:2em; margin-bottom:10px}
.application div.r_area p {font-size:1em; font-weight:400;  color: var(--gray);}
  
.application ul {width:100%;   box-sizing:border-box; display:flex; flex-wrap:wrap;  margin:0 auto;  margin-top:10px;}
.application ul li {width:100%; display:flex; align-items:center; margin-bottom:15px; box-sizing:border-box;  line-height:1.5}
.application ul li h3 {font-size:1.05em; margin-bottom:5px; font-weight:600; width:170px; flex-shrink:0; line-height:1.1; }
.application ul li h3.point {display:flex; gap:5px}
.application ul li h3.point:after {width:6px; height:6px; border-radius:50%; background-color:var(--main_c);  content:''; }
.application span.point {width:6px; height:6px; border-radius:50%; background-color:var(--main_c); display:inline-block; vertical-align:top; margin-right:3px}

.application ul li > div {width:100%; display:flex; align-items:Center}
.application ul li > div.flex_none {display:inline-block}
.application ul li > div > div {width:100%}

.application ul li input {vertical-align:middle;}
.application ul li input + a.s_btn { margin-left:5px; line-height:35px}
.application ul li select {height:37px; font-size:.95em; padding:0 5px; box-sizing:border-box; color:#333; border:1px solid #999;  }

.application ul li  input[type="file"] { font-size:.95em; padding-left:0}
.application ul li  input[type="checkbox"] { margin-right:5px; }
.application ul li  input[type="text"] { height: 40px; font-size: .95em; width:100%; border:none; border-bottom:1px solid #333;  box-sizing:border-box; }
 
.application ul li textarea { height: 150px; width:100%; font-size: .95em; padding:10px;  border:1px solid #333; box-sizing:border-box; }
 
.application ul li div.check_div  {flex-wrap:wrap; border-top:1px solid #ddd; border-left:1px solid #ddd;}
.application ul li div.check_div p {width:50%; border-bottom:1px solid #ddd;  border-right:1px solid #ddd; box-sizing:border-box; padding:10px; }
.application ul li div.check_div p b {font-weight:500; margin-right:15px}
 
.application ul li div.email input[type="text"]:nth-child(1)  {width:40%; margin-right:10px}
.application ul li div.email input[type="text"]:nth-child(2) {width:60%; margin-left:10px}


.application p.info_txt {color:#444; font-size:.97em}
.application .radio_div {display:flex}
.application .radio_div p  {margin-right:20px}

textarea.privacy_text {width:100%; height:145px;   font-size:.95em; font-weight:300; line-height:1.5;  color:#333; box-sizing:border-box; padding:0}
.privacy_text {width:100%; background-color:#f9f9f9; box-sizing:border-box; padding:15px;  font-size:.95em; font-weight:300; line-height:1.5;  color:#333; }
.privacy_check {margin-top:10px; }
.privacy_check b { font-weight:600; text-decoration:underline}

.application h4.tit {font-size:1.3em}

.info_pre {width:100%; border:1px solid #999;  box-sizing:border-box; padding:15px; margin-top:10px; font-size:.97em; line-height:1.4; color:#444;  }
.info_pre + div {text-align:right; margin-top:10px; box-sizing:border-box; color:#444}

@media screen and (max-width:900px) {
		.application {gap:30px}
		.application div.r_area {width:100%;}
		.application ul {padding:0; border:none}
		.application ul li {flex-wrap:wrap; padding:13px 0; margin-bottom:0}
		.application ul li.col-2 {width:100%; padding-right:0}
		.application ul li.col-2:nth-child(2n) {padding-right:0; padding-left:0}

		.application ul li h3 {width:100%; margin-bottom:5px }

		.application ul li >  div {width:100%; }
		.application  .flex.gap10 {gap:5px; margin-top:10px}
		.application  .flex.gap10 p {width:100%; }

}