:root{
      --bg:#030814;
      --bg2:#071225;
      --panel:rgba(10,20,38,.82);
      --panel2:rgba(14,26,48,.78);
      --line:rgba(116,145,202,.22);
      --line2:rgba(154,102,255,.38);
      --text:#f2f6ff;
      --muted:#aeb8cf;
      --soft:#78849c;
      --blue:#2878ff;
      --cyan:#33c8ff;
      --purple:#9257ff;
      --pink:#d05bff;
      --green:#3acb7e;
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --radius:14px;
    }

    *{box-sizing:border-box}

    html,body{height:100%}

    body{
      margin:0;
      font-family: "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 74% 12%, rgba(105,54,255,.18), transparent 34%),
        radial-gradient(circle at 18% 0%, rgba(33,118,255,.13), transparent 32%),
        linear-gradient(180deg,#020613 0%, #07101f 45%, #030713 100%);
      letter-spacing:-.02em;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.48;
      background-image:
        radial-gradient(circle at 10% 20%, rgba(255,255,255,.22) 0 1px, transparent 1.2px),
        radial-gradient(circle at 80% 30%, rgba(103,192,255,.23) 0 1px, transparent 1.3px),
        radial-gradient(circle at 40% 70%, rgba(202,142,255,.2) 0 1px, transparent 1.2px);
      background-size:220px 180px, 300px 250px, 260px 210px;
      mask-image:linear-gradient(180deg,black,transparent 88%);
    }

    a{color:inherit;text-decoration:none}

    .page{width:min(1820px, calc(100% - 94px)); margin:0 auto 24px; position:relative; z-index:1}

    .top{
      height:82px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid rgba(116,145,202,.13);
      padding:0 4px;
      background:
        radial-gradient(circle at 72% 45%, rgba(95,48,225,.28), transparent 30%),
        linear-gradient(90deg, rgba(4,10,24,.94) 0%, rgba(7,18,37,.92) 34%, rgba(21,13,54,.92) 72%, rgba(5,10,23,.94) 100%);
    }

    .brand{display:flex; align-items:center; gap:16px}

    .mark{
      width:70px;height:56px;position:relative;flex:0 0 auto;
      filter:drop-shadow(0 0 22px rgba(146,87,255,.45));
    }
    .mark::before{
      content:"";position:absolute;inset:2px 4px 4px;
      background:linear-gradient(135deg,#b36aff 0%,#376dff 50%,#69e7ff 100%);
      clip-path:polygon(4% 86%,45% 8%,96% 86%,74% 86%,55% 49%,36% 86%);
      border-radius:6px;
    }
    .mark::after{
      content:"";position:absolute;left:31px;top:24px;width:39px;height:18px;
      background:linear-gradient(135deg,#0b1328 0%,#1a2050 80%);
      clip-path:polygon(0 100%,100% 0,68% 100%);
      opacity:.92;
    }

    .brand-title{font-size:33px;font-weight:800;line-height:1;letter-spacing:.01em}
    .brand-sub{font-size:15px;color:#d7dded;margin-top:5px;letter-spacing:.01em}

    .login-btn{
      min-width:214px;height:48px;padding:0 24px;display:flex;align-items:center;justify-content:center;gap:12px;
      background:rgba(9,14,27,.78); border:1px solid rgba(127,145,185,.28); border-radius:7px;
      color:#fff; font-weight:700; font-size:17px; box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }

    .nav-wrap{border-bottom:1px solid rgba(116,145,202,.13);background:linear-gradient(90deg,rgba(4,11,25,.55),rgba(12,29,55,.45),rgba(4,11,25,.55));}
    .nav{width:min(1820px, calc(100% - 94px)); margin:0 auto; height:58px; display:grid; grid-template-columns:repeat(9,1fr); align-items:end; gap:4px}
    .nav a{height:58px; display:flex; align-items:center; justify-content:center; position:relative; color:#eef3ff; font-weight:700; font-size:16px; white-space:nowrap}
    .nav a.active::after{content:""; position:absolute; left:20px; right:20px; bottom:0; height:3px; border-radius:999px; background:linear-gradient(90deg,var(--purple),var(--cyan)); box-shadow:0 0 18px rgba(125,111,255,.85)}
    .new{font-size:11px; padding:2px 7px; border-radius:6px; background:linear-gradient(90deg,#9459ff,#5e5dff); margin-left:8px; line-height:1.1; box-shadow:0 0 14px rgba(143,96,255,.7)}

    .hero{margin-top:16px; min-height:224px; border:1px solid var(--line); border-radius:8px; overflow:hidden; position:relative; padding:46px 130px; box-shadow:var(--shadow); background:#081126}
    .hero::before{
      content:""; position:absolute; inset:0;
      background:
        radial-gradient(ellipse at 78% 55%, rgba(154,92,255,.55) 0%, rgba(50,95,255,.2) 23%, transparent 43%),
        radial-gradient(ellipse at 74% 68%, rgba(58,158,255,.35) 0%, transparent 38%),
        linear-gradient(90deg, rgba(3,8,18,.96) 0 40%, rgba(8,16,38,.78) 58%, rgba(7,13,34,.92) 100%);
    }
    .hero::after{
      content:"";position:absolute;right:-8%;bottom:-18%;width:68%;height:76%;
      background:
        radial-gradient(ellipse at center, rgba(103,67,255,.2) 0%, transparent 63%),
        linear-gradient(0deg, rgba(92,116,255,.12), transparent 50%);
      border-top:2px solid rgba(93,164,255,.34);
      border-radius:50% 50% 0 0;
      transform:rotate(-3deg);
      filter:drop-shadow(0 -4px 20px rgba(92,119,255,.42));
    }

    .orb{position:absolute; right:18%; top:16px; width:310px; height:210px; opacity:.95; filter:drop-shadow(0 0 34px rgba(148,86,255,.55));}
    .orb .ring{position:absolute; left:12px; top:16px; width:260px; height:172px; border-radius:50%; border:2px solid rgba(133,87,255,.3); box-shadow:0 0 50px rgba(111,78,255,.25), inset 0 0 50px rgba(61,113,255,.22); transform:rotate(-8deg)}
    .orb .ring:nth-child(2){left:30px;top:28px;width:220px;height:145px;border-style:dashed;opacity:.7}
    .orb .mini-logo{position:absolute;left:76px;top:31px;width:160px;height:135px;background:linear-gradient(135deg,#b66dff 0%,#426aff 48%,#82f0ff 100%);clip-path:polygon(4% 86%,45% 8%,96% 86%,74% 86%,55% 49%,36% 86%);}
    .orb .mini-cut{position:absolute;left:150px;top:85px;width:70px;height:33px;background:#111845;clip-path:polygon(0 100%,100% 0,70% 100%)}
    .orb .glow{position:absolute; left:62px; bottom:16px; width:188px; height:32px; border-radius:50%; background:radial-gradient(ellipse at center, rgba(236,93,255,.95), rgba(119,68,255,.46) 40%, transparent 76%); filter:blur(1px)}

    .hero-content{position:relative;z-index:2;max-width:760px}
    .hero h1{font-size:66px;line-height:.95;margin:0 0 14px;font-weight:900;letter-spacing:.01em;text-shadow:0 8px 20px rgba(0,0,0,.55)}
    .hero h2{font-size:29px;margin:0 0 16px;font-weight:800}.hero p{font-size:19px;margin:0 0 27px;color:#e5eaff;font-weight:600}
    .actions{display:flex;gap:26px;align-items:center}.btn{height:50px;min-width:310px;padding:0 28px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:18px;font-weight:800;border:1px solid rgba(174,199,255,.26);box-shadow:0 0 28px rgba(69,92,255,.18)}
    .btn-primary{background:linear-gradient(90deg,#9a58ff,#236cff);}.btn-ghost{background:rgba(5,10,25,.56);color:#f5f7ff;border-color:rgba(173,151,255,.45)}

    .grid-two{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:18px}.panel{background:linear-gradient(180deg,rgba(13,27,51,.78),rgba(7,15,29,.9)); border:1px solid var(--line); border-radius:9px; box-shadow:var(--shadow); position:relative; overflow:hidden}.panel::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 95% 0%, rgba(147,91,255,.09), transparent 38%);pointer-events:none}.panel-head{height:52px;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.panel h3{font-size:24px;margin:0;font-weight:900}.more{color:#dce5fb;font-weight:800;font-size:15px}.video-box{margin:0 28px 22px;height:166px;border:1px solid rgba(126,154,209,.3);border-radius:7px;position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(3,7,18,.12),rgba(0,0,0,.18)),radial-gradient(circle at 50% 25%,rgba(79,107,255,.32),transparent 30%),linear-gradient(180deg,#0f1e3d,#071020 72%)}
    .video-box::after{content:"";position:absolute;left:0;right:0;bottom:27px;height:42px;background:linear-gradient(180deg,transparent,rgba(1,3,9,.72));border-top:1px solid rgba(255,255,255,.32)}.mountains{position:absolute;left:0;right:0;bottom:27px;height:70px;background:linear-gradient(135deg,transparent 0 18%,rgba(7,9,20,.82) 18% 33%,transparent 33% 38%,rgba(11,15,32,.92) 38% 62%,transparent 62% 68%,rgba(5,8,20,.9) 68%);opacity:.9}.play{position:absolute;z-index:2;left:50%;top:49%;transform:translate(-50%,-50%);width:72px;height:72px;border:2px solid rgba(255,255,255,.88);border-radius:50%;display:grid;place-items:center;background:rgba(5,12,27,.45);box-shadow:0 0 24px rgba(255,255,255,.15)}.play::before{content:"";border-top:15px solid transparent;border-bottom:15px solid transparent;border-left:23px solid white;margin-left:6px}.video-title{position:absolute;top:15px;left:0;right:0;text-align:center;color:#fff;font-weight:700;letter-spacing:.35em;opacity:.9}.video-sub{position:absolute;top:43px;left:0;right:0;text-align:center;color:#cdd5ed;font-size:13px;opacity:.9}.controls{position:absolute;left:18px;right:18px;bottom:9px;display:flex;align-items:center;gap:14px;color:#fff;font-weight:700;font-size:14px;z-index:3}.small-play{width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:14px solid white}.bar{height:3px;flex:1;background:rgba(255,255,255,.4);border-radius:10px;position:relative}.bar::before{content:"";position:absolute;left:0;top:0;height:3px;width:24%;background:linear-gradient(90deg,#fff,#a65bff);border-radius:10px}.icons{display:flex;gap:14px;margin-left:6px;opacity:.95}.license{padding:0 28px 12px}.lic-icon{position:absolute;right:28px;top:16px;width:42px;height:34px;border-radius:5px;border:1px solid rgba(177,102,255,.55);background:linear-gradient(135deg,rgba(130,53,255,.55),rgba(61,30,96,.7));display:grid;place-items:center;color:#fff;box-shadow:0 0 20px rgba(151,86,255,.25)}.lic-row{display:grid;grid-template-columns:260px 1fr;align-items:center;min-height:32px;border-bottom:1px solid rgba(143,159,198,.13);font-size:17px}.label{color:#d2dae9}.value{font-weight:700;color:#fff}.badge{display:inline-flex;align-items:center;justify-content:center;height:23px;padding:0 13px;border-radius:5px;background:rgba(51,177,113,.45);color:#d8ffe9;font-size:14px;font-weight:800}.wide-btn{height:39px;margin-top:13px;border:1px solid rgba(144,165,215,.32);border-radius:5px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#f6f8ff;background:rgba(5,12,25,.38)}

    .quick{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:14px}.quick-card{min-height:87px;border:1px solid var(--line);border-radius:9px;background:linear-gradient(180deg,rgba(14,28,54,.82),rgba(9,18,34,.92));display:flex;align-items:center;padding:18px 26px;gap:21px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.quick-card::after{content:"›";position:absolute;right:30px;top:50%;transform:translateY(-50%);font-size:34px;font-weight:300;color:#f5f7ff}.qicon{width:62px;height:62px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;background:linear-gradient(135deg,rgba(147,89,255,.78),rgba(62,30,116,.7));box-shadow:inset 0 0 20px rgba(255,255,255,.08),0 0 20px rgba(126,91,255,.22)}.qicon.blue{background:linear-gradient(135deg,rgba(38,142,255,.78),rgba(16,58,122,.72))}.quick-title{font-size:20px;font-weight:900;margin-bottom:5px}.quick-sub{font-size:15px;color:#c6d0e6;line-height:1.38}

    .board-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:14px}.board{min-height:139px;padding:20px 28px 17px;background:linear-gradient(180deg,rgba(13,27,51,.78),rgba(7,15,29,.92));border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);overflow:hidden}.board-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.board-title{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900}.row{height:28px;display:grid;grid-template-columns:1fr 116px;gap:20px;align-items:center;border-bottom:1px solid rgba(143,159,198,.12);font-size:16px;color:#e8edf8}.row:last-child{border-bottom:none}.row-title{display:flex;align-items:center;gap:13px;min-width:0}.dot{width:8px;height:8px;border-radius:50%;background:#8d67ff;box-shadow:0 0 14px rgba(151,100,255,.95);flex:0 0 auto}.tag{font-size:12px;line-height:1;border-radius:4px;background:linear-gradient(90deg,#9660ff,#5d62ff);padding:4px 7px;font-weight:900;color:#fff;box-shadow:0 0 12px rgba(151,86,255,.55);flex:0 0 auto}.date{color:#aeb8cf;text-align:right;font-weight:700}.faq .row{grid-template-columns:1fr 24px}.circle{width:21px;height:21px;border-radius:50%;display:grid;place-items:center;background:#4e5a73;color:#dce4f4;font-size:13px;font-weight:900;flex:0 0 auto}.chev{font-size:24px;color:#f6f8ff;text-align:right}

    .footer{margin-top:16px;height:80px;border:1px solid var(--line);border-radius:8px;background:rgba(8,17,33,.82);display:grid;grid-template-columns:1fr 1.2fr 1fr;align-items:center;padding:0 28px;box-shadow:var(--shadow)}.foot-brand{display:flex;align-items:center;gap:14px}.foot-brand .mark{width:56px;height:45px}.foot-title{font-size:29px;font-weight:900}.foot-sub{font-size:14px;color:#d8deed}.foot-links{text-align:center;color:#c6cede;font-size:15px}.foot-links span{margin:0 18px;color:#7d879c}.copyright{margin-top:9px;color:#b8c1d5}.contact{justify-self:end;width:190px;height:48px;border-radius:6px;border:1px solid rgba(56,169,255,.56);color:#76d8ff;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:900;background:rgba(6,15,29,.48)}

    .ico{font-size:29px;line-height:1}.icon-line{width:32px;height:32px;display:inline-grid;place-items:center}
    .icon-line svg{width:32px;height:32px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

    @media(max-width:1200px){.page,.nav{width:calc(100% - 32px)}.nav{grid-template-columns:repeat(5,1fr);height:auto}.nav a{height:46px}.hero{padding:38px}.orb{opacity:.28;right:2%}.hero h1{font-size:52px}.grid-two,.board-grid{grid-template-columns:1fr}.quick{grid-template-columns:1fr}.footer{height:auto;gap:20px;padding:22px;grid-template-columns:1fr}.contact{justify-self:start}}
    @media(max-width:720px){.top{height:auto;padding:18px 0;align-items:flex-start}.brand-title{font-size:25px}.brand-sub{font-size:12px}.login-btn{min-width:150px;font-size:14px}.hero{padding:30px 22px}.hero h1{font-size:42px}.hero h2{font-size:22px}.actions{flex-direction:column;align-items:flex-start}.btn{min-width:100%;font-size:16px}.lic-row{grid-template-columns:110px 1fr}.video-box{margin:0 18px 18px}.panel-head,.license{padding-left:18px;padding-right:18px}.board{padding:18px}.row{grid-template-columns:1fr 92px;font-size:14px}}

    /* v4: 상단 왼쪽 로고를 사용자가 지정한 사진1 이미지와 동일하게 표시 */
    .brand-photo{
      gap:0;
      height:82px;
      display:flex;
      align-items:center;
    }
    .brand-photo-img{
      display:block;
      width:398px;
      max-width:44vw;
      height:82px;
      object-fit:contain;
      object-position:left center;
      user-select:none;
      filter:drop-shadow(0 0 12px rgba(109,103,255,.18));
    }
    @media(max-width:720px){
      .brand-photo-img{width:260px;max-width:58vw;height:auto;}
    }


    /* v3: 상단 메인 이미지를 사용자 제공 사진1과 동일하게 고정 */
    .hero.image-hero{
      margin-top:16px;
      padding:0;
      min-height:0;
      border:0;
      border-radius:8px;
      overflow:hidden;
      background:transparent;
      box-shadow:var(--shadow);
      position:relative;
    }
    .hero.image-hero::before,
    .hero.image-hero::after{display:none;content:none;}
    .hero.image-hero .hero-img{
      display:block;
      width:100%;
      height:auto;
      border-radius:8px;
      user-select:none;
    }
    .hero-hotspot{
      position:absolute;
      display:block;
      border-radius:7px;
      z-index:5;
    }
    .hero-download{left:7.2%; top:72.2%; width:18.8%; height:20.0%;}
    .hero-manual{left:27.1%; top:72.2%; width:20.0%; height:20.0%;}
    .hero-hotspot:focus-visible{outline:2px solid #8f63ff; outline-offset:3px;}
    @media(max-width:720px){
      .hero.image-hero{margin-top:12px;border-radius:6px;}
      .hero.image-hero .hero-img{min-height:150px;object-fit:cover;object-position:left center;}
    }


    /* v7: 최상단 로고 이미지의 검정 박스 제거 및 상단 배경 색상 통일 */

    /* v6: 하위 메뉴 버튼 느낌 제거, 자연스러운 텍스트형 행 방향 마우스오버 메뉴 */
    .nav-wrap{
      position:relative;
      z-index:30;
      overflow:visible;
    }
    .nav.nav-v5{
      grid-template-columns:.8fr 1.1fr 1.1fr 1.35fr 1fr;
      align-items:end;
      overflow:visible;
      position:relative;
    }
    .nav.nav-v5 > a,
    .nav.nav-v5 .nav-item > .nav-link{
      height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
      color:#eef3ff;
      font-weight:800;
      font-size:17px;
      white-space:nowrap;
    }
    .nav.nav-v5 .nav-item{
      height:58px;
      position:relative;
      display:flex;
      align-items:flex-end;
      justify-content:center;
      overflow:visible;
    }
    .nav.nav-v5 .nav-link:hover{
      color:#ffffff;
      text-shadow:0 0 16px rgba(141,104,255,.85);
    }
    .nav.nav-v5 .hover-menu{
      position:absolute;
      top:58px;
      left:50%;
      transform:translate(-50%,-6px);
      height:42px;
      padding:0 18px;
      display:flex;
      flex-direction:row;
      align-items:center;
      justify-content:center;
      gap:28px;
      background:linear-gradient(180deg,rgba(7,15,31,.94),rgba(7,15,31,.78));
      border:none;
      border-radius:0;
      box-shadow:0 14px 28px rgba(0,0,0,.26);
      backdrop-filter:blur(10px);
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transition:opacity .16s ease, transform .16s ease, visibility .16s ease;
      z-index:50;
      white-space:nowrap;
    }
    .nav.nav-v5 .hover-menu::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(104,143,255,.28),rgba(149,94,255,.24),transparent);
    }
    .nav.nav-v5 .notice-menu{min-width:300px;}
    .nav.nav-v5 .board-menu{min-width:390px;}
    .nav.nav-v5 .has-menu:hover .hover-menu,
    .nav.nav-v5 .has-menu:focus-within .hover-menu{
      opacity:1;
      visibility:visible;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .nav.nav-v5 .hover-menu a{
      height:42px;
      min-width:auto;
      padding:0;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      position:relative;
      border-radius:0;
      color:#cdd7ee;
      font-size:15px;
      font-weight:800;
      background:transparent;
      border:0;
      transition:color .14s ease, text-shadow .14s ease;
    }
    .nav.nav-v5 .hover-menu a::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--purple),var(--cyan));
      opacity:0;
      transform:scaleX(.35);
      transition:opacity .14s ease, transform .14s ease;
    }
    .nav.nav-v5 .hover-menu a:hover{
      color:#ffffff;
      background:transparent;
      border:0;
      box-shadow:none;
      text-shadow:0 0 14px rgba(141,104,255,.72);
    }
    .nav.nav-v5 .hover-menu a:hover::after{
      opacity:1;
      transform:scaleX(1);
    }
    @media(max-width:1200px){
      .nav.nav-v5{grid-template-columns:repeat(5,1fr);}
      .nav.nav-v5 .hover-menu{top:46px;}
      .nav.nav-v5 > a,
      .nav.nav-v5 .nav-item,
      .nav.nav-v5 .nav-item > .nav-link{height:46px;font-size:14px;}
    }
    @media(max-width:720px){
      .nav.nav-v5{grid-template-columns:repeat(2,1fr);}
      .nav.nav-v5 .hover-menu{left:0;transform:translate(0,-8px);min-width:max-content;}
      .nav.nav-v5 .has-menu:hover .hover-menu,
      .nav.nav-v5 .has-menu:focus-within .hover-menu{transform:translate(0,0);}
    }

    /* v8: real page navigation + footer image + board pages */
    .top .brand-photo-img{
      mix-blend-mode:screen;
      filter:drop-shadow(0 0 16px rgba(109,103,255,.22));
    }
    .nav.nav-v5 > a.active::after,
    .nav.nav-v5 .nav-link.active::after{content:""; position:absolute; left:20px; right:20px; bottom:0; height:3px; border-radius:999px; background:linear-gradient(90deg,var(--purple),var(--cyan)); box-shadow:0 0 18px rgba(125,111,255,.85)}
    .nav.nav-v5 .nav-link.active{color:#fff;text-shadow:0 0 14px rgba(141,104,255,.38)}
    .footer-photo{
      margin-top:16px;
      border:1px solid var(--line);
      border-radius:8px;
      overflow:hidden;
      position:relative;
      min-height:130px;
      box-shadow:var(--shadow);
      background:#07101f;
    }
    .footer-photo img{display:block;width:100%;height:auto;min-height:130px;object-fit:cover;object-position:center center;}
    .footer-hotspot{position:absolute;display:block;border-radius:8px;z-index:4;}
    .footer-terms{left:39%;top:34%;width:7%;height:20%;}
    .footer-privacy{left:46%;top:34%;width:10.5%;height:20%;}
    .footer-contact-link{left:57%;top:34%;width:5%;height:20%;}
    .footer-contact-btn{right:4.6%;top:28%;width:14.2%;height:39%;}
    .footer-hotspot:focus-visible{outline:2px solid #8f63ff;outline-offset:2px;}

    .sub-hero{
      margin-top:16px;
      min-height:142px;
      border:1px solid var(--line);
      border-radius:9px;
      background:
        radial-gradient(circle at 78% 42%, rgba(135,75,255,.24), transparent 32%),
        radial-gradient(circle at 20% 18%, rgba(46,124,255,.14), transparent 30%),
        linear-gradient(90deg,rgba(9,19,40,.94),rgba(6,12,27,.9));
      box-shadow:var(--shadow);
      padding:34px 42px;
      position:relative;
      overflow:hidden;
    }
    .sub-hero::after{content:"";position:absolute;right:-10%;bottom:-38%;width:58%;height:90%;border-top:2px solid rgba(92,119,255,.34);border-radius:50% 50% 0 0;filter:drop-shadow(0 -3px 18px rgba(92,119,255,.34));}
    .sub-kicker{font-size:14px;color:#8dd9ff;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;}
    .sub-hero h1{font-size:42px;line-height:1.05;margin:0 0 10px;font-weight:900;}
    .sub-hero p{font-size:17px;color:#cdd7ee;margin:0;}
    .content-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:16px;}
    .board-page{padding:26px 30px 28px;}
    .board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;}
    .board-search{display:flex;gap:10px;align-items:center;min-width:360px;}
    .board-search input{width:260px;height:40px;border:1px solid rgba(144,165,215,.26);border-radius:7px;background:rgba(4,10,22,.62);color:#fff;padding:0 14px;font-size:14px;outline:none;}
    .board-search button,.write-btn,.small-btn{height:40px;border:1px solid rgba(144,111,255,.45);border-radius:7px;background:linear-gradient(90deg,rgba(122,71,255,.82),rgba(32,101,255,.82));color:#fff;font-weight:900;padding:0 18px;cursor:pointer;}
    .board-table{width:100%;border-collapse:collapse;font-size:16px;}
    .board-table th,.board-table td{border-bottom:1px solid rgba(143,159,198,.14);padding:15px 12px;text-align:left;}
    .board-table th{color:#c9d4ea;font-size:14px;font-weight:900;background:rgba(255,255,255,.025);}
    .board-table td:first-child,.board-table th:first-child{text-align:center;width:74px;color:#8f9ab4;}
    .board-table td:nth-child(3),.board-table th:nth-child(3){width:132px;text-align:center;color:#aeb8cf;}
    .board-table td:nth-child(4),.board-table th:nth-child(4){width:92px;text-align:center;color:#aeb8cf;}
    .board-table a:hover{color:#fff;text-shadow:0 0 12px rgba(141,104,255,.76);}
    .pager{display:flex;justify-content:center;gap:8px;margin-top:22px;}
    .pager a{width:34px;height:34px;border-radius:7px;border:1px solid rgba(144,165,215,.2);display:grid;place-items:center;color:#cbd5ec;background:rgba(7,15,31,.58);font-weight:800;}
    .pager a.active{background:linear-gradient(90deg,#8c58ff,#286eff);color:#fff;}
    .manual-layout{display:grid;grid-template-columns:280px 1fr;gap:18px;margin-top:16px;}
    .side-menu{padding:18px;background:linear-gradient(180deg,rgba(13,27,51,.78),rgba(7,15,29,.92));border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);height:max-content;position:sticky;top:12px;}
    .side-menu a{display:block;padding:12px 12px;border-radius:7px;color:#cbd5ec;font-weight:800;}
    .side-menu a:hover{background:rgba(141,104,255,.12);color:#fff;}
    .doc-card{padding:28px 32px;background:linear-gradient(180deg,rgba(13,27,51,.78),rgba(7,15,29,.92));border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow);}
    .doc-card h2{font-size:26px;margin:4px 0 14px;}
    .doc-card h3{font-size:20px;margin:26px 0 10px;color:#f5f7ff;}
    .doc-card p,.doc-card li{color:#cbd5ec;line-height:1.72;font-size:16px;}
    .doc-card ul,.doc-card ol{padding-left:22px;}
    .download-box{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:24px;margin-bottom:16px;border:1px solid rgba(144,165,215,.22);border-radius:9px;background:rgba(4,10,22,.45);}
    .download-box h3{margin:0 0 7px;font-size:22px;}
    .download-box p{margin:0;color:#cbd5ec;line-height:1.6;}
    .support-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
    .support-form label{display:flex;flex-direction:column;gap:8px;color:#cbd5ec;font-weight:800;}
    .support-form input,.support-form select,.support-form textarea{border:1px solid rgba(144,165,215,.26);border-radius:7px;background:rgba(4,10,22,.62);color:#fff;padding:12px 13px;font-size:15px;outline:none;}
    .support-form textarea{min-height:170px;resize:vertical;}
    .support-form .full{grid-column:1/-1;}
    .support-form .submit-row{grid-column:1/-1;display:flex;justify-content:flex-end;}
    @media(max-width:900px){.manual-layout{grid-template-columns:1fr}.board-toolbar{flex-direction:column;align-items:flex-start}.board-search{min-width:0;width:100%}.board-search input{width:100%}.support-form{grid-template-columns:1fr}.board-table{font-size:14px}.footer-photo img{min-height:115px}.footer-hotspot{display:none}}


/* v9: menu polish, centered button text, login page, Kakao placeholder */
.nav.nav-v5 .hover-menu{
  left:50%;
  transform:translate(-50%,-6px);
  width:max-content;
  min-width:0 !important;
  padding:0 26px;
  gap:34px;
  background:linear-gradient(180deg,rgba(7,15,31,.96),rgba(7,15,31,.88));
}
.nav.nav-v5 .has-menu:hover .hover-menu,
.nav.nav-v5 .has-menu:focus-within .hover-menu{
  transform:translate(-50%,0);
}
.nav.nav-v5 .notice-menu,
.nav.nav-v5 .board-menu{min-width:0 !important;}
.nav.nav-v5 .hover-menu a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  line-height:1;
}

.board-search button,
.write-btn,
.small-btn,
.download-box .write-btn,
.download-box .small-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  line-height:1.15;
  white-space:nowrap;
}
.board-search .write-btn{min-width:88px;}
.download-box .write-btn,
.download-box .small-btn{
  min-width:220px;
  min-height:52px;
  padding-left:24px;
  padding-right:24px;
  font-size:17px;
}

.kakao-card{
  margin-top:16px;
  padding:24px 30px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:22px;
  border:1px solid rgba(144,165,215,.24);
  border-radius:9px;
  background:
    radial-gradient(circle at 93% 20%, rgba(255,214,42,.12), transparent 28%),
    radial-gradient(circle at 8% 10%, rgba(141,104,255,.16), transparent 32%),
    linear-gradient(180deg,rgba(13,27,51,.82),rgba(7,15,29,.92));
  box-shadow:var(--shadow);
}
.kakao-kicker{font-size:13px;color:#ffe35e;font-weight:900;letter-spacing:.08em;margin-bottom:6px;}
.kakao-card h2{margin:0 0 8px;font-size:25px;font-weight:900;}
.kakao-card p{margin:0;color:#cbd5ec;line-height:1.65;}
.kakao-btn{
  height:54px;
  min-width:260px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  color:#fff;
  font-weight:900;
  border:1px solid rgba(255,228,76,.45);
  background:linear-gradient(90deg,rgba(77,52,18,.85),rgba(120,88,24,.88));
  box-shadow:0 0 24px rgba(255,211,35,.14);
}
.kakao-btn:hover{filter:brightness(1.12);}

.login-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
  gap:16px;
  margin-top:16px;
}
.login-panel,.login-info-panel{padding:28px 30px;}
.login-form{display:grid;gap:16px;margin-top:8px;}
.login-form label{display:flex;flex-direction:column;gap:8px;color:#cbd5ec;font-weight:900;}
.login-form input{
  height:46px;
  border:1px solid rgba(144,165,215,.26);
  border-radius:7px;
  background:rgba(4,10,22,.62);
  color:#fff;
  padding:0 14px;
  font-size:15px;
  outline:none;
}
.login-submit{
  height:48px;
  border:1px solid rgba(144,111,255,.45);
  border-radius:7px;
  background:linear-gradient(90deg,#8c58ff,#286eff);
  color:#fff;
  font-size:17px;
  font-weight:900;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.login-note{margin:16px 0 0;color:#aeb8cf;line-height:1.65;}
.login-info-panel h3{font-size:24px;margin:0 0 12px;}
.login-info-panel ul{margin:0 0 22px;padding-left:22px;color:#cbd5ec;line-height:1.85;font-weight:700;}

@media(max-width:900px){
  .kakao-card,.login-layout{grid-template-columns:1fr;}
  .kakao-btn{width:100%;}
  .download-box{grid-template-columns:1fr;}
  .download-box .write-btn,.download-box .small-btn{width:100%;}
}
@media(max-width:720px){
  .nav.nav-v5 .hover-menu{left:50%;transform:translate(-50%,-8px);}
  .nav.nav-v5 .has-menu:hover .hover-menu,
  .nav.nav-v5 .has-menu:focus-within .hover-menu{transform:translate(-50%,0);}
}