:root{--navy:#07142f;--navy2:#0c1d3d;--teal:#0aa99f;--line:#dce5ec;--muted:#718097;--bg:#f5f8fa;--white:#fff}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:#122033;background:#eef2f5;font-family:Pretendard,"Noto Sans KR",Arial,sans-serif;word-break:keep-all}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    .page{width:min(1440px,100%);margin:auto;background:var(--white);box-shadow:0 0 30px rgba(3,18,40,.08)}
    .inner{width:min(1160px,calc(100% - 48px));margin:auto}
    .site-header{height:94px;display:flex;align-items:center;background:#fff}
    .header-row{display:flex;align-items:center;justify-content:space-between;gap:36px}
    .logo{display:flex;align-items:center;gap:12px;flex:none}
    .logo-mark{display:grid;place-items:center;width:52px;height:42px;border-radius:12px;background:#07343b;color:#fff;font-size:17px;font-weight:900}
    .logo strong{display:block;font-size:18px;letter-spacing:-.5px}
    .logo small{display:block;margin-top:3px;color:#079a91;font-size:9px;font-weight:800}
    .gnb{display:flex;align-items:center;gap:48px;font-size:15px;color:#344258}
    .gnb a{padding:37px 0;white-space:nowrap}
    .gnb a.active{color:#009f95;font-weight:800}
    .menu-button{display:none;border:0;background:transparent;padding:8px;color:#17253a;cursor:pointer}

    .hero{background:linear-gradient(115deg,#06152f 0%,#0a1834 60%,#071630 100%);color:#fff}
    .hero-row{min-height:550px;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(330px,.95fr);align-items:center;gap:70px;padding:58px 0}
    .eyebrow{display:inline-block;margin-bottom:18px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);color:#a9d7d4;font-size:11px;font-weight:700}
    .hero h1{margin:0;font-size:44px;line-height:1.25;letter-spacing:-1.8px}
    .hero-copy{margin:22px 0 28px;color:#9facbe;font-size:14px;line-height:1.75}
    .visual{height:178px;position:relative;overflow:hidden;border-radius:14px;background:radial-gradient(circle at 72% 42%,rgba(93,151,221,.36),transparent 26%),linear-gradient(120deg,#233e72,#162d5e 70%,#223e78)}
    .visual:before{content:"";position:absolute;left:14%;right:8%;bottom:-40px;height:130px;transform:skewX(-30deg);background:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 38px,rgba(255,255,255,.08) 38px 42px);clip-path:polygon(0 76%,82% 0,100% 18%,17% 100%)}
    .visual:after{content:"";position:absolute;width:210px;height:210px;right:16%;top:-65px;border-radius:50%;border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 18px rgba(255,255,255,.025),0 0 0 44px rgba(255,255,255,.02)}
    .visual-label{position:absolute;left:28px;bottom:24px;color:rgba(255,255,255,.72);font-size:12px;letter-spacing:2px}

    .login-box{padding:34px 36px;border:1px solid rgba(255,255,255,.14);border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(66,154,165,.16));box-shadow:0 20px 45px rgba(0,0,0,.1)}
    .login-box h2{margin:0 0 8px;font-size:19px}
    .login-box>p{margin:0 0 22px;color:#8795aa;font-size:12px}
    .login-box input{display:block;width:100%;height:48px;margin-top:12px;padding:0 16px;border:1px solid rgba(255,255,255,.14);border-radius:7px;outline:0;background:rgba(255,255,255,.09);color:#fff}
    .login-box input::placeholder{color:#7f8ea4}
    .login-box input:focus{border-color:#19c1b5}
    .login-submit{width:100%;height:50px;margin-top:24px;border:0;border-radius:7px;background:#0da59b;color:#fff;font-weight:800;cursor:pointer}
    .login-submit:hover{background:#078f87}
    .login-links{display:flex;justify-content:space-between;margin-top:20px;color:#8c9aaf;font-size:12px}
    .login-links a+a{border-left:1px solid rgba(255,255,255,.14);padding-left:22px}

    .dashboard{padding:55px 0 72px;background:var(--bg)}
    .card-grid{display:grid;grid-template-columns:1.12fr 1.12fr .94fr;gap:24px;align-items:start}
    .card{min-height:300px;padding:26px 28px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px; color:#333; }
    .card-title h2{display:flex;align-items:center;gap:9px;margin:0;font-size:19px}
    .card-title svg{width:20px;color:#009e95}
    .more{color:#a0adbb;font-size:12px}
    .lecture{padding:14px 16px;border:1px solid var(--line);border-radius:11px}
    .lecture+.lecture{margin-top:11px}
    .lecture-meta{display:flex;justify-content:space-between;margin-bottom:8px;font-size:11px;color:#95a2b2}
    .tag{padding:4px 7px;border-radius:5px;background:#e9f8f5;color:#008c82;font-weight:700}
    .lecture strong{font-size:14px}
    .notice-list{border:1px solid var(--line)}
    .notice{display:grid;grid-template-columns:38px minmax(0,1fr) 70px;align-items:center;gap:8px;padding:15px 10px;border-bottom:1px solid var(--line);font-size:12px}
    .notice:last-child{border-bottom:0}
    .notice b{width:max-content;padding:3px 5px;border-radius:3px;background:#ff4c58;color:#fff;font-size:9px}
    .notice span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .notice time{text-align:right;color:#a3afbc;font-size:11px}
    .help-item{display:flex;align-items:center;gap:14px;min-height:72px;padding:14px 16px;border-radius:11px;background:#eaf7f6}
    .help-item+.help-item{margin-top:12px}
    .help-item.dark{background:#07142f;color:#fff}
    .help-icon{display:grid;place-items:center;width:30px;height:30px;flex:none;color:#009e95}
    .dark .help-icon{color:#fff}
    .help-item strong{display:block;font-size:13px}
    .help-item small{display:block;margin-top:4px;color:#79899a;font-size:10px}
    .dark small{color:#9ba8bb}
    .support{margin-top:12px;padding:14px 16px;border:1px solid var(--line);border-radius:11px;font-size:11px;color:#637187}
    .support b{display:block;margin:4px 0;color:#17253a;font-size:18px}

    .site-footer{padding:49px 0 48px;background:#06122d;color:#8995a8}
    .footer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}
    .footer-brand .logo-mark{width:32px;height:32px;border-radius:8px;background:#0aa99f;font-size:12px}
    .footer-links{display:flex;gap:22px;font-size:12px}
    .footer-links strong{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:30px;padding-top:23px;font-size:10px;line-height:1.8}
    .copyright{text-align:right;align-self:end}

    @media(max-width:1000px){
      .gnb{gap:22px}.hero-row{gap:34px}.hero h1{font-size:38px}.card-grid{grid-template-columns:1fr 1fr}.help-card{grid-column:1/-1}.help-card .help-wrap{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.help-item+.help-item,.support{margin-top:0}
    }
    @media(max-width:760px){
      .inner{width:min(100% - 32px,1160px)}.site-header{height:70px}.gnb{display:none;position:absolute;z-index:10;left:0;right:0;top:70px;padding:16px 24px;background:#fff;box-shadow:0 10px 20px rgba(0,0,0,.08)}.gnb.open{display:grid}.gnb a{padding:10px}.menu-button{display:block}.hero-row{grid-template-columns:1fr;padding:52px 0}.hero h1{font-size:34px}.visual{height:145px}.login-box{padding:28px 22px}.card-grid{grid-template-columns:1fr}.help-card{grid-column:auto}.help-card .help-wrap{display:block}.help-item+.help-item,.support{margin-top:12px}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:24px;flex-wrap:wrap}.copyright{text-align:left;margin-top:14px}
    }
    @media(max-width:420px){.hero h1{font-size:29px}.logo strong{font-size:16px}.card{padding:22px 18px}.notice{grid-template-columns:34px minmax(0,1fr)}.notice time{display:none}}