:root {
      --blue: #0077bc;
      --sky: #00a0e3;
      --navy: #0f2742;
      --dark: #111827;
      --text: #1f2937;
      --muted: #6b7280;
      --line: #e5e7eb;
      --bg: #f8fafc;
      --white: #ffffff;
      --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
      --radius: 20px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body#myB {
      margin: 0;
      color: var(--text);
      background: var(--white);
      font-family: "Noto Sans KR", sans-serif;
      line-height: 1.7;
      word-break: keep-all;
      overflow-wrap: break-word;
    }

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

    a:hover {
      color: var(--sky);
    }

    a:focus-visible {
      outline: 3px solid rgba(0, 160, 227, 0.4);
      outline-offset: 4px;
      border-radius: 6px;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Header */
    #Pheader {
      width: 100%;
      max-width: none;
      height: auto;
      margin: 0;
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      border-bottom: 1px solid rgba(229, 231, 235, 0.9);
      backdrop-filter: blur(12px);
    }

    #Pheader-inner {
      max-width: 1200px;
      height: auto;
      margin: 0 auto;
      padding: 16px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

    .mainLogo {
      display: flex;
      align-items: center;
      min-width: 0;
    }

    .mainLogo img {
      width: min(300px, 70vw);
      height: auto;
    }

    #menus {
      height: auto;
      margin: 0;
      padding: 0;
      float: none;
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 28px;
      list-style: none;
      white-space: nowrap;
    }

    #menus li {
      margin: 0;
      list-style: none;
      display: block;
    }

    .menuText {
      color: var(--text);
      font-family: "Poppins", sans-serif;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      transition: color 0.2s ease;
    }

    .menuText:hover {
      color: var(--sky);
    }

    /* Common layout */
    main {
      overflow: hidden;
    }

    .main-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: clamp(72px, 8vw, 120px) 24px;
      font-family: "Noto Sans KR", sans-serif;
    }

    h1,
    h2,
    h3 {
      margin: 0;
    }

    h2 {
      color: var(--blue);
      font-family: "Poppins", sans-serif;
      font-size: clamp(32px, 4vw, 46px);
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.03em;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      margin-bottom: 14px;
      color: var(--sky);
      font-family: "Poppins", sans-serif;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .section-kicker::before {
      content: "";
      width: 34px;
      height: 2px;
      margin-right: 10px;
      background: var(--sky);
      border-radius: 999px;
    }

    .section-lead {
      max-width: 760px;
      margin: 18px auto 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.8;
      text-align: center;
    }

    .marginoo {
      margin-bottom: 50px;
    }

    /* Hero */
    #main-banner {
      padding: 0;
      color: var(--white);
      font-family: inherit;
      font-size: initial;
      font-weight: initial;
      line-height: normal;
      text-shadow: none;
      background:
        linear-gradient(90deg, rgba(4, 24, 48, 0.84) 0%, rgba(4, 24, 48, 0.62) 45%, rgba(4, 24, 48, 0.28) 100%),
        url("../../../images/main_banner.jpg") center / cover no-repeat;
    }

    .hero {
      min-height: clamp(520px, 72vh, 760px);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: flex-start;
    }

    .hero-kicker {
      margin: 0 0 18px;
      color: rgba(255, 255, 255, 0.86);
      font-family: "Poppins", sans-serif;
      font-size: clamp(13px, 1.6vw, 16px);
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .hero h1 {
      max-width: 860px;
      color: var(--white);
      font-family: "Poppins", sans-serif;
      font-size: clamp(46px, 7vw, 82px);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: -0.055em;
    }

    .hero-desc {
      max-width: 740px;
      margin: 28px 0 0;
      color: rgba(255, 255, 255, 0.88);
      font-size: clamp(17px, 2vw, 22px);
      line-height: 1.75;
    }

    .hero-actions {
      margin-top: 38px;
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      min-height: 48px;
      padding: 0 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      font-family: "Poppins", sans-serif;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.02em;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      color: var(--white);
      background: var(--sky);
      box-shadow: 0 12px 30px rgba(0, 160, 227, 0.28);
    }

    .btn-primary:hover {
      color: var(--white);
      background: #008dd0;
    }

    .btn-secondary {
      color: var(--white);
      border: 1px solid rgba(255, 255, 255, 0.55);
      background: rgba(255, 255, 255, 0.08);
    }

    .btn-secondary:hover {
      color: var(--white);
      background: rgba(255, 255, 255, 0.16);
    }

    .hero-tags {
      margin-top: 28px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .hero-tag {
      padding: 7px 12px;
      color: rgba(255, 255, 255, 0.92);
      font-family: "Poppins", sans-serif;
      font-size: 13px;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.26);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(8px);
    }

    /* About */
    #main-intro {
      background: var(--white);
    }

    #main-intro .main-inner {
      display: grid;
      grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.65fr);
      gap: clamp(36px, 7vw, 92px);
      align-items: start;
    }

    .aboutInner:first-child {
      display: block;
      align-content: initial;
      font-size: initial;
      font-weight: initial;
      letter-spacing: initial;
    }

    .aboutInner:last-child {
      padding-left: 0;
      font-size: 17px;
      letter-spacing: initial;
      line-height: 1.9;
      word-break: keep-all;
    }

    .about-copy {
      margin: 0;
      color: #374151;
    }

    .about-copy a {
      color: var(--blue);
      font-weight: 700;
    }

    .about-highlights {
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .about-highlight {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #ffffff;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    }

    .about-highlight strong {
      display: block;
      margin-bottom: 6px;
      color: var(--dark);
      font-family: "Poppins", sans-serif;
      font-size: 15px;
      font-weight: 700;
    }

    .about-highlight span {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    /* News */
    #main-news {
      background:
        linear-gradient(180deg, rgba(248, 250, 252, 0.94), rgba(248, 250, 252, 0.94)),
        url("../../../images/bg_news.png") center / cover no-repeat;
    }

    #main-news .main-inner {
      display: grid;
      grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.65fr);
      gap: clamp(36px, 7vw, 92px);
      align-items: start;
    }

    .newsInner:first-child {
      text-align: left;
    }

    .news-panel {
      display: grid;
      gap: 18px;
    }

    .news-year {
      margin: 0;
      padding: 24px;
      display: grid;
      grid-template-columns: 86px 1fr;
      gap: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.92);
      box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
    }

    .nyear h3 {
      margin: 0;
      color: var(--blue);
      font-family: "Poppins", sans-serif;
      font-size: 24px;
      font-weight: 700;
      line-height: 1;
    }

    .ncontents {
      color: #374151;
      font-size: 16px;
      line-height: 1.75;
    }

    .news-list {
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .news-list li {
      position: relative;
      padding-left: 18px;
    }

    .news-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--sky);
    }

    .news-month {
      color: var(--dark);
      font-weight: 800;
    }

    /* Research */
    #main-research {
      background: var(--white);
      text-align: center;
    }

    #main-research .main-inner {
      text-align: center;
    }

    .research-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 22px;
      text-align: left;
    }

    .research-card {
      min-height: 260px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #ffffff;
      box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .research-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0, 160, 227, 0.38);
      box-shadow: var(--shadow);
    }

    .research-number {
      color: rgba(0, 160, 227, 0.22);
      font-family: "Poppins", sans-serif;
      font-size: 42px;
      font-weight: 800;
      line-height: 1;
    }

    .research-card h3 {
      margin-top: 28px;
      color: var(--dark);
      font-family: "Poppins", sans-serif;
      font-size: 22px;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.03em;
    }

    .research-card p {
      margin: 14px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .research-link {
      margin-top: 24px;
      display: inline-flex;
      align-items: center;
      color: var(--blue);
      font-family: "Poppins", sans-serif;
      font-size: 14px;
      font-weight: 700;
    }

    .research-link::after {
      content: "→";
      margin-left: 8px;
      transition: transform 0.2s ease;
    }

    .research-card:hover .research-link::after {
      transform: translateX(4px);
    }

    /* Contact */
    #main-contact {
      color: var(--white);
      text-align: center;
      font-size: initial;
      background:
        linear-gradient(135deg, rgba(5, 28, 52, 0.90), rgba(0, 119, 188, 0.74)),
        url("../../../images/bg_contact.png") center / cover no-repeat;
    }

    #main-contact h2 {
      color: var(--white);
    }

    #main-contact .section-kicker {
      color: rgba(255, 255, 255, 0.84);
    }

    #main-contact .section-kicker::before {
      background: rgba(255, 255, 255, 0.7);
    }

    .contact-card {
      max-width: 820px;
      margin: 0 auto;
      padding: clamp(28px, 5vw, 48px);
      border: 1px solid rgba(255, 255, 255, 0.22);
      border-radius: 28px;
      background: rgba(255, 255, 255, 0.10);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
      backdrop-filter: blur(12px);
    }

    .contact-desc {
      margin: 18px 0 30px;
      color: rgba(255, 255, 255, 0.86);
      font-size: 17px;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      text-align: left;
    }

    .contact-item {
      padding: 18px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.12);
    }

    .contact-item strong {
      display: block;
      margin-bottom: 6px;
      color: rgba(255, 255, 255, 0.70);
      font-family: "Poppins", sans-serif;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .contact-item a,
    .contact-item span {
      color: var(--white);
      font-size: 15px;
      font-weight: 700;
    }

    .contact-item a:hover {
      color: #dff4ff;
    }

    /* Footer */
    #main-footer {
      width: 100%;
      color: rgba(255, 255, 255, 0.78);
      background: #111827;
      text-align: center;
      font-size: 14px;
      letter-spacing: -0.02em;
    }

    #main-footer .main-inner {
      padding: 48px 24px;
    }

    .footer-logo {
      width: min(300px, 70vw);
      margin: 0 auto 18px;
    }

    /* Responsive */
    @media (max-width: 1000px) {
      .research-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .about-highlights {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 860px) {
      #Pheader-inner {
        flex-direction: column;
        justify-content: center;
        gap: 14px;
        padding: 14px 20px;
      }

      #menus {
        justify-content: center;
        gap: 18px;
        flex-wrap: wrap;
      }

      #main-intro .main-inner,
      #main-news .main-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .newsInner:first-child {
        text-align: center;
      }

      .section-kicker {
        justify-content: center;
      }

      .section-kicker::before {
        display: none;
      }

      .aboutInner:first-child {
        text-align: center;
      }

      .hero {
        min-height: 600px;
        align-items: center;
        text-align: center;
      }

      .hero-actions,
      .hero-tags {
        justify-content: center;
      }
    }

    @media (max-width: 640px) {
      .main-inner {
        padding: 64px 20px;
      }

      .mainLogo img {
        width: 250px;
      }

      #menus {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 14px;
        text-align: center;
      }

      .menuText {
        font-size: 13px;
      }

      .hero {
        min-height: 560px;
      }

      .hero h1 {
        font-size: clamp(40px, 12vw, 56px);
      }

      .hero-desc {
        font-size: 16px;
      }

      .hero-actions {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .hero-tags {
        gap: 8px;
      }

      .hero-tag {
        font-size: 12px;
      }

      .news-year {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 22px;
      }

      .research-grid {
        grid-template-columns: 1fr;
      }

      .research-card {
        min-height: auto;
      }

      .contact-grid {
        grid-template-columns: 1fr;
      }
    }