/* =========================================================
   AI융합 서버 인프라 안내
   style.css
========================================================= */


/* =========================================================
   1. 기본 변수
========================================================= */

:root {
  --navy: #0b1f3a;
  --navy-light: #132d50;

  --blue: #2463eb;
  --blue-dark: #174bb8;
  --blue-light: #edf4ff;

  --green: #23935c;
  --green-light: #e9f8ef;

  --purple: #7445c4;
  --purple-light: #f2ecff;

  --orange: #ef7622;
  --orange-light: #fff1e7;

  --red: #dd3434;
  --red-light: #fff0f0;

  --yellow: #d2a329;
  --yellow-light: #fff6d8;

  --text: #14213d;
  --text-light: #637083;

  --background: #f6f8fc;
  --white: #ffffff;
  --border: #dfe6f0;

  --sidebar-width: 220px;

  --shadow:
    0 16px 40px rgba(20, 45, 85, 0.09);

  --shadow-small:
    0 9px 25px rgba(20, 45, 85, 0.08);
}


/* =========================================================
   2. 기본 초기화
========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;

  color: var(--text);
  background: var(--background);

  font-family:
    Pretendard,
    "Noto Sans KR",
    "Malgun Gothic",
    Arial,
    sans-serif;

  line-height: 1.65;
}

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

button {
  font: inherit;
}

img {
  max-width: 100%;
}

table {
  border-collapse: collapse;
}

section,
article {
  scroll-margin-top: 90px;
}


/* =========================================================
   3. 공통 콘텐츠 너비
========================================================= */

.content-width {
  width: min(1320px, calc(100% - 40px));
  margin: 0 auto;
}


/* =========================================================
   4. 왼쪽 사이드바
========================================================= */

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1000;

  width: var(--sidebar-width);
  height: 100vh;

  padding: 34px 24px;

  display: flex;
  flex-direction: column;

  color: var(--white);
  background: var(--navy);

  border-right:
    1px solid rgba(255, 255, 255, 0.08);
}


/* 로고 */

.sidebar-logo {
  display: block;

  padding-bottom: 26px;

  border-bottom:
    1px solid rgba(255, 255, 255, 0.14);
}

.sidebar-logo strong {
  display: block;

  color: var(--white);

  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.04em;
}

.sidebar-logo span {
  display: block;

  margin-top: 8px;

  color: rgba(255, 255, 255, 0.5);

  font-size: 12px;
}


/* 사이드 메뉴 */

.sidebar-nav {
  margin-top: 28px;

  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav-panel {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav-panel[hidden] {
  display: none;
}

.sidebar-link {
  position: relative;

  width: 100%;
  min-height: 44px;

  padding: 0 12px;

  display: flex;
  align-items: center;

  color: rgba(255, 255, 255, 0.72);
  background: transparent;

  border: 0;
  border-radius: 7px;

  font-size: 14px;
  font-weight: 700;
  text-align: left;

  cursor: pointer;

  transition:
    color 0.2s ease,
    background-color 0.2s ease;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-link.active {
  color: var(--white);
}

.sidebar-link.active::before {
  position: absolute;
  top: 11px;
  bottom: 11px;
  left: 0;

  width: 3px;

  content: "";

  background: #5b91ff;

  border-radius: 3px;
}


/* 접속 안내 메뉴 */

.sidebar-menu-group {
  margin-top: 8px;
}

.sidebar-menu-toggle {
  justify-content: space-between;
}

.sidebar-menu-arrow {
  width: 8px;
  height: 8px;

  border-right:
    2px solid rgba(255, 255, 255, 0.55);

  border-bottom:
    2px solid rgba(255, 255, 255, 0.55);

  transform:
    rotate(45deg)
    translateY(-2px);

  transition:
    transform 0.2s ease;
}

.sidebar-menu-toggle.open .sidebar-menu-arrow {
  transform:
    rotate(225deg)
    translate(-2px, -2px);
}

.sidebar-subnav {
  margin: 2px 0 0 12px;
  padding: 4px 0 4px 14px;

  display: flex;
  flex-direction: column;
  gap: 2px;

  border-left:
    1px solid rgba(255, 255, 255, 0.14);
}

.sidebar-subnav[hidden] {
  display: none;
}

.sidebar-sublink {
  min-height: 34px;

  padding: 7px 10px;

  display: flex;
  align-items: center;

  color: rgba(255, 255, 255, 0.5);

  border-radius: 6px;

  font-size: 12px;
  font-weight: 600;

  transition:
    color 0.2s ease,
    background-color 0.2s ease;
}

.sidebar-sublink:hover,
.sidebar-sublink:focus-visible,
.sidebar-sublink.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}


/* 사이드바 하단 */

.sidebar-bottom {
  margin-top: auto;
  padding-top: 18px;

  display: flex;
  align-items: center;
  gap: 8px;

  color: rgba(255, 255, 255, 0.62);

  border-top:
    1px solid rgba(255, 255, 255, 0.1);

  font-size: 12px;
}

.sidebar-bottom-icon {
  width: 20px;
  height: 20px;

  display: grid;
  place-items: center;

  color: var(--navy);
  background: rgba(255, 255, 255, 0.8);

  border-radius: 50%;

  font-size: 11px;
  font-weight: 900;
}


/* =========================================================
   5. 메인 영역
========================================================= */

main {
  margin-left: var(--sidebar-width);
}


/* =========================================================
   6. 상단 제목 영역
========================================================= */

.page-title-section {
  padding: 38px 0 30px;

  color: var(--white);
  background: var(--navy);
}

.page-label {
  margin: 0 0 7px;

  color: #8eb7ff;

  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.page-title-section h1 {
  margin: 0;

  color: var(--white);

  font-size: clamp(29px, 4vw, 43px);
  line-height: 1.25;
  letter-spacing: -0.045em;
}


/* =========================================================
   7. KETI / 전북테크노파크 선택 탭
========================================================= */

.server-tab-section {
  position: sticky;
  top: 0;
  z-index: 900;

  padding: 14px 0;

  background: rgba(255, 255, 255, 0.96);

  border-bottom:
    1px solid var(--border);

  backdrop-filter: blur(10px);
}

.server-tabs {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 260px));

  gap: 10px;
}

.server-tab {
  min-height: 50px;

  padding: 0 22px;

  color: var(--text-light);
  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 10px;

  font-size: 15px;
  font-weight: 800;

  cursor: pointer;

  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.server-tab:hover {
  color: var(--blue);

  border-color: #abc6fb;

  transform: translateY(-2px);
}

.server-tab.active {
  color: var(--white);
  background: var(--blue);

  border-color: var(--blue);

  box-shadow:
    0 8px 20px rgba(36, 99, 235, 0.2);
}

.server-tab-panel {
  display: none;
}

.server-tab-panel.active {
  display: block;
}


/* =========================================================
   8. 공통 섹션 제목
========================================================= */

.section-heading {
  margin-bottom: 34px;

  text-align: center;
}

.section-label {
  margin: 0 0 8px;

  color: var(--blue);

  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.section-heading h2 {
  margin: 0;

  color: var(--text);

  font-size: 34px;
  letter-spacing: -0.035em;
}

.section-heading p:not(.section-label) {
  margin: 9px 0 0;

  color: var(--text-light);

  font-size: 14px;
}


/* =========================================================
   9. KETI 인프라 구성
========================================================= */

.infrastructure-section {
  padding: 70px 0 80px;

  background: var(--white);
}

.infrastructure-layout {
  display: grid;
  grid-template-columns:
    220px minmax(430px, 660px) minmax(300px, 390px);

  align-items: start;
  justify-content: center;

  gap: 24px;
}


/* 왼쪽 장비 안내 */

.rack-guide {
  padding: 28px 24px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 16px;
}

.guide-label {
  display: block;

  margin-bottom: 10px;

  color: var(--blue);

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.rack-guide h3 {
  margin: 0;

  font-size: 25px;
  letter-spacing: -0.035em;
}

.rack-guide > p {
  margin: 16px 0 0;

  color: var(--text-light);

  font-size: 14px;
  line-height: 1.8;
}

.guide-message {
  margin-top: 25px;
  padding: 16px;

  display: flex;
  align-items: flex-start;
  gap: 11px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 11px;
}

.click-guide {
  margin-top: 12px;
}

.guide-icon {
  width: 25px;
  height: 25px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);
  background: var(--blue);

  border-radius: 50%;

  font-size: 13px;
  font-weight: 900;
}

.guide-message strong {
  display: block;

  font-size: 13px;
}

.guide-message p {
  margin: 5px 0 0;

  color: var(--text-light);

  font-size: 12px;
  line-height: 1.6;
}


/* =========================================================
   10. KETI 서버랙 이미지
========================================================= */

.rack-image-area {
  position: relative;

  width: 100%;

  align-self: start;

  overflow: hidden;

  background: #111827;

  border-radius: 16px;

  box-shadow: var(--shadow);
}

.rack-image {
  width: 100%;
  height: auto;

  display: block;
}


/* =========================================================
   11. KETI 서버랙 + 버튼
========================================================= */

.hotspot {
  position: absolute;
  z-index: 20;

  padding: 0;

  display: flex;
  align-items: center;
  gap: 10px;

  color: var(--text);
  background: transparent;

  border: 0;

  cursor: pointer;
}

.hotspot-circle {
  width: 39px;
  height: 39px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);
  background: var(--blue);

  border:
    4px solid var(--white);

  border-radius: 50%;

  box-shadow:
    0 6px 18px rgba(36, 99, 235, 0.4);

  font-size: 22px;
  line-height: 1;

  transition:
    color 0.2s ease,
    transform 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.hotspot:hover .hotspot-circle,
.hotspot:focus-visible .hotspot-circle {
  background: var(--blue-dark);

  transform: scale(1.08);
}

.hotspot.active .hotspot-circle {
  color: var(--blue);
  background: var(--white);

  border-color: var(--blue);

  box-shadow:
    0 0 0 6px rgba(36, 99, 235, 0.18),
    0 6px 18px rgba(36, 99, 235, 0.35);
}

.hotspot:hover,
.hotspot:focus-visible,
.hotspot.active {
  z-index: 40;
}

.hotspot-tooltip {
  width: 210px;

  padding: 12px 14px;

  display: block;

  text-align: left;

  color: var(--text);
  background: rgba(255, 255, 255, 0.98);

  border:
    1px solid rgba(223, 230, 240, 0.95);

  border-radius: 9px;

  box-shadow:
    0 9px 25px rgba(0, 0, 0, 0.2);

  opacity: 0;
  visibility: hidden;

  transform: translateX(-10px);

  pointer-events: none;

  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.hotspot-tooltip strong,
.hotspot-tooltip small,
.hotspot-tooltip em {
  display: block;
}

.hotspot-tooltip strong {
  color: var(--text);

  font-size: 14px;
  font-weight: 800;
}

.hotspot-tooltip small {
  margin-top: 1px;

  color: var(--blue);

  font-size: 12px;
  font-weight: 700;
}

.hotspot-tooltip em {
  margin-top: 6px;

  color: var(--text-light);

  font-size: 11px;
  font-style: normal;
  line-height: 1.45;
}

.hotspot:hover .hotspot-tooltip,
.hotspot:focus-visible .hotspot-tooltip,
.hotspot.active .hotspot-tooltip {
  opacity: 1;
  visibility: visible;

  transform: translateX(0);
}


/* KETI 버튼 위치 */

.hotspot-firewall {
  top: 10%;
  left: 14%;
}

.hotspot-switch {
  top: 23%;
  left: 14%;
}

.hotspot-server {
  top: 38%;
  left: 14%;
}

.hotspot-storage {
  top: 55%;
  left: 14%;
}

.hotspot-ups {
  top: 71%;
  left: 14%;
}


/* =========================================================
   12. KETI 장비 상세정보
========================================================= */

.equipment-info-panel {
  padding: 30px;

  display: flex;
  flex-direction: column;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 16px;

  box-shadow: var(--shadow);
}

.equipment-info-header {
  padding-bottom: 23px;

  display: flex;
  align-items: center;
  gap: 15px;

  border-bottom:
    1px solid var(--border);
}

.equipment-info-badge {
  width: 58px;
  height: 58px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  border-radius: 14px;

  font-size: 13px;
  font-weight: 900;
}

.firewall-badge {
  color: #c76b19;
  background: #fff2e5;
}

.switch-badge {
  color: #13804d;
  background: #e9faef;
}

.server-badge {
  color: var(--blue);
  background: var(--blue-light);
}

.storage-badge {
  color: #7942c6;
  background: #f1eaff;
}

.ups-badge {
  color: #b78100;
  background: #fff5d6;
}

.equipment-category {
  display: block;

  color: var(--blue);

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.equipment-info-header h3 {
  margin: 4px 0 0;

  font-size: 23px;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.equipment-info-header p {
  margin: 3px 0 0;

  color: var(--text-light);

  font-size: 13px;
  font-weight: 700;
}

.equipment-description {
  margin: 22px 0;

  color: #4f5e73;

  font-size: 14px;
  line-height: 1.8;
}

.equipment-spec-list {
  margin: 0;

  display: grid;

  border-top:
    1px solid var(--border);
}

.equipment-spec-list div {
  min-height: 52px;

  display: grid;
  grid-template-columns:
    92px minmax(0, 1fr);

  align-items: center;
  gap: 10px;

  border-bottom:
    1px solid var(--border);
}

.equipment-spec-list dt {
  color: var(--text-light);

  font-size: 12px;
}

.equipment-spec-list dd {
  margin: 0;

  color: var(--text);

  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
}

.equipment-info-notice {
  margin-top: 24px;
  padding: 15px;

  display: flex;
  align-items: flex-start;
  gap: 10px;

  color: #52647d;
  background: var(--blue-light);

  border:
    1px solid #d6e5ff;

  border-radius: 10px;
}

.notice-icon {
  width: 22px;
  height: 22px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);
  background: var(--blue);

  border-radius: 50%;

  font-size: 12px;
  font-weight: 800;
}

.equipment-info-notice p {
  margin: 0;

  font-size: 11px;
  line-height: 1.6;
}


/* =========================================================
   13. KETI 네트워크 구성
========================================================= */

.network-section {
  padding: 80px 0;

  background: var(--background);
}

.network-card {
  padding: 34px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 18px;

  box-shadow: var(--shadow);
}

.network-card + .network-card {
  margin-top: 24px;
}

.network-card-heading {
  display: grid;
  grid-template-columns:
    48px minmax(0, 1fr);

  align-items: start;
  gap: 16px;
}

.network-card-number {
  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  color: var(--blue);
  background: var(--blue-light);

  border-radius: 10px;

  font-size: 12px;
  font-weight: 900;
}

.network-card-label {
  color: var(--blue);

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.network-card-heading h3 {
  margin: 3px 0 0;

  font-size: 24px;
  letter-spacing: -0.03em;
}

.network-card-heading p {
  margin: 8px 0 0;

  color: var(--text-light);

  font-size: 14px;
}


/* 물리 네트워크 */

.physical-network-diagram {
  margin-top: 32px;
  padding: 28px;

  display: grid;
  grid-template-columns:
    minmax(220px, 0.8fr)
    minmax(420px, 1.8fr);

  gap: 34px;

  background: #f9fbff;

  border:
    1px solid #e1e8f2;

  border-radius: 14px;
}

.network-flow-main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.network-node {
  width: 100%;
  min-height: 76px;

  padding: 14px 18px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  text-align: center;

  border-radius: 10px;

  box-shadow:
    0 8px 22px rgba(20, 45, 85, 0.08);
}

.network-node span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.network-node strong {
  margin-top: 3px;

  font-size: 18px;
}

.institution-node {
  color: #7a5a00;
  background: #fff3c9;

  border:
    1px solid #f2cf65;
}

.gateway-node {
  color: #274a85;
  background: #dfe9fb;

  border:
    1px solid #adc3e8;
}

.firewall-node {
  color: #a85411;
  background: #fff0e2;

  border:
    1px solid #f2bf91;
}

.server-node,
.storage-node {
  color: var(--white);
  background: #4774c8;

  border:
    1px solid #2b559e;
}

.switch-node {
  color: #275d44;
  background: #e5f5ec;

  border:
    1px solid #a8d4bb;
}


/* 화살표 */

.network-arrow {
  position: relative;

  display: block;
}

.vertical-arrow {
  width: 2px;
  height: 28px;

  background: #9fb0c8;
}

.vertical-arrow::after {
  position: absolute;
  bottom: -1px;
  left: 50%;

  width: 8px;
  height: 8px;

  content: "";

  border-right:
    2px solid #9fb0c8;

  border-bottom:
    2px solid #9fb0c8;

  transform:
    translateX(-50%)
    rotate(45deg);
}


/* 내부망 */

.internal-network-zone {
  position: relative;

  padding: 28px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  background: #eef3fa;

  border:
    2px dashed #f07a27;

  border-radius: 14px;
}

.network-zone-heading {
  width: min(420px, 100%);
  margin: 0 auto 30px;
  padding: 13px 18px;

  text-align: center;

  color: var(--white);
  background: #f47b2a;

  border-radius: 12px;
}

.network-zone-heading span,
.network-zone-heading strong {
  display: block;
}

.network-zone-heading span {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.network-zone-heading strong {
  margin-top: 3px;

  font-size: 14px;
  line-height: 1.5;
}

.internal-network-layout {
  display: grid;
  grid-template-columns:
    minmax(170px, 1fr)
    minmax(60px, 0.5fr)
    minmax(170px, 1fr);

  align-items: center;
  gap: 12px;
}

.network-endpoint {
  text-align: center;
}

.network-endpoint p {
  margin: 12px 0 0;

  color: #46566d;

  font-size: 12px;
  line-height: 1.6;
}

.network-endpoint b {
  color: var(--text);
}

.network-line {
  height: 3px;

  background:
    linear-gradient(
      90deg,
      #4774c8,
      #9bb2da,
      #4774c8
    );

  border-radius: 3px;
}

.server-switch-link {
  margin-top: 25px;
  padding-top: 18px;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;

  color: #607089;

  border-top:
    1px solid #d8e0eb;

  font-size: 12px;
  font-weight: 700;
}

.link-dot {
  width: 8px;
  height: 8px;

  background: var(--blue);

  border-radius: 50%;
}


/* 네트워크 요약 */

.network-summary-grid {
  margin-top: 24px;

  display: grid;
  grid-template-columns:
    repeat(3, 1fr);

  gap: 12px;
}

.network-summary-grid > div {
  padding: 16px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 10px;
}

.network-summary-grid span,
.network-summary-grid strong {
  display: block;
}

.network-summary-grid span {
  color: var(--text-light);

  font-size: 11px;
}

.network-summary-grid strong {
  margin-top: 4px;

  font-size: 13px;
}


/* VM 네트워크 */

.vm-network-diagram {
  margin-top: 32px;
  padding: 30px;

  display: grid;
  grid-template-columns:
    minmax(320px, 1.2fr)
    minmax(180px, 0.8fr)
    minmax(220px, 0.8fr);

  align-items: center;
  gap: 24px;

  background: #f9fbff;

  border:
    1px solid #e1e8f2;

  border-radius: 14px;
}

.vm-stack {
  display: grid;
  gap: 10px;
}

.vm-layer {
  min-height: 88px;

  padding: 16px 20px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;

  border-radius: 10px;
}

.vm-layer span,
.vm-layer strong,
.vm-layer small {
  display: block;
}

.vm-layer span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.vm-layer strong {
  margin-top: 3px;

  font-size: 22px;
}

.vm-layer small {
  margin-top: 2px;

  font-size: 11px;
}

.vm-layer-guest {
  color: #315d28;
  background: #dff0d6;

  border:
    1px solid #abd29a;
}

.vm-layer-kvm {
  color: #96541f;
  background: #ffe5d1;

  border:
    1px solid #efbb93;
}

.vm-layer-host {
  color: var(--white);
  background: #4774c8;

  border:
    1px solid #2b559e;
}

.nic-box {
  min-width: 88px;
  padding: 10px 14px;

  text-align: center;

  color: var(--text);
  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 8px;
}

.nic-box strong {
  font-size: 17px;
}

.vm-network-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bridge-line {
  width: 2px;
  height: 42px;

  background: #89a8dc;
}

.bridge-label {
  padding: 14px 18px;

  text-align: center;

  background: var(--blue-light);

  border:
    1px solid #bfd2f5;

  border-radius: 10px;
}

.bridge-label span,
.bridge-label strong,
.bridge-label small {
  display: block;
}

.bridge-label span {
  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.bridge-label strong {
  margin-top: 3px;

  font-size: 15px;
}

.bridge-label small {
  margin-top: 3px;

  color: var(--text-light);

  font-size: 10px;
}

.external-network-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.network-notice {
  margin-top: 22px;
  padding: 16px;

  display: flex;
  align-items: flex-start;
  gap: 11px;

  color: #52647d;
  background: var(--blue-light);

  border:
    1px solid #d6e5ff;

  border-radius: 10px;
}

.network-notice span {
  width: 22px;
  height: 22px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);
  background: var(--blue);

  border-radius: 50%;

  font-size: 12px;
  font-weight: 800;
}

.network-notice p {
  margin: 0;

  font-size: 12px;
  line-height: 1.7;
}


/* =========================================================
   14. KETI 접속 안내
========================================================= */

.access-section {
  padding: 80px 0;

  background: var(--white);
}

.access-accordion {
  width: min(900px, 100%);
  margin: 0 auto;

  display: grid;
  gap: 12px;
}

.access-item {
  overflow: hidden;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 12px;

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.access-item:hover {
  border-color: #b8cefb;
}

.access-item.active {
  border-color: #9dbcf8;

  box-shadow:
    0 10px 28px rgba(20, 45, 85, 0.08);
}

.access-item-button {
  width: 100%;
  min-height: 86px;

  padding: 18px 22px;

  display: grid;
  grid-template-columns:
    52px minmax(0, 1fr) 22px;

  align-items: center;
  gap: 16px;

  color: var(--text);
  background: transparent;

  border: 0;

  text-align: left;

  cursor: pointer;
}

.access-item-icon {
  width: 48px;
  height: 48px;

  display: grid;
  place-items: center;

  color: var(--blue);
  background: var(--blue-light);

  border-radius: 10px;

  font-size: 11px;
  font-weight: 900;
}

.access-item-title {
  display: flex;
  flex-direction: column;
}

.access-item-title strong {
  font-size: 17px;
}

.access-item-title small {
  margin-top: 4px;

  color: var(--text-light);

  font-size: 12px;
  font-weight: 500;
}

.access-item-arrow {
  width: 10px;
  height: 10px;

  border-right:
    2px solid #718096;

  border-bottom:
    2px solid #718096;

  transform:
    rotate(45deg)
    translateY(-3px);

  transition:
    transform 0.2s ease;
}

.access-item.active .access-item-arrow {
  transform:
    rotate(225deg)
    translate(-2px, -2px);
}

.access-item-content {
  border-top:
    1px solid var(--border);
}

.access-content-inner {
  padding: 24px 28px 28px 86px;
}

.access-content-inner h3 {
  margin: 0;

  font-size: 19px;
  letter-spacing: -0.03em;
}

.access-content-inner > p {
  margin: 10px 0 0;

  color: var(--text-light);

  font-size: 14px;
  line-height: 1.8;
}

.access-step-list {
  margin-top: 20px;

  display: grid;
  gap: 10px;
}

.access-step-list > div {
  display: grid;
  grid-template-columns:
    26px minmax(0, 1fr);

  align-items: start;
  gap: 10px;
}

.access-step-list span {
  width: 24px;
  height: 24px;

  display: grid;
  place-items: center;

  color: var(--white);
  background: var(--blue);

  border-radius: 50%;

  font-size: 11px;
  font-weight: 800;
}

.access-step-list p {
  margin: 0;

  color: #52647d;

  font-size: 13px;
  line-height: 1.7;
}

.command-box {
  margin-top: 20px;
  padding: 14px 16px;

  overflow-x: auto;

  color: #d9e7ff;
  background: #11233f;

  border-radius: 8px;
}

.command-box code {
  font-family:
    Consolas,
    "Courier New",
    monospace;

  font-size: 13px;
}

.access-notice {
  margin-top: 20px;
  padding: 13px 15px;

  color: #52647d;
  background: var(--blue-light);

  border:
    1px solid #d6e5ff;

  border-radius: 8px;

  font-size: 12px;
  line-height: 1.7;
}


/* =========================================================
   15. 전북테크노파크 공통
========================================================= */

.jbtp-section {
  padding: 82px 0;
}

.jbtp-overview-section {
  background: var(--white);
}

.jbtp-compute-section {
  background: var(--background);
}

.jbtp-data-section {
  background: var(--white);
}

.jbtp-network-section {
  background: var(--background);
}

.jbtp-history-section {
  background: var(--white);
}


/* =========================================================
   16. 전북테크노파크 전체 인프라 구성
========================================================= */

.jbtp-overview-board {
  display: grid;

  grid-template-columns:
    minmax(270px, 0.75fr)
    minmax(610px, 1.8fr)
    minmax(225px, 0.65fr);

  align-items: start;

  gap: 18px;
}

.jbtp-rack-panel,
.jbtp-equipment-panel,
.jbtp-summary-panel {
  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 16px;

  box-shadow: var(--shadow-small);
}

.jbtp-rack-panel,
.jbtp-equipment-panel {
  padding: 20px;
}


/* 패널 제목 */

.jbtp-panel-title {
  margin-bottom: 17px;

  display: flex;
  align-items: center;
  gap: 11px;
}

.jbtp-number {
  width: 36px;
  height: 36px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--blue);
  background: var(--blue-light);

  border-radius: 9px;

  font-size: 11px;
  font-weight: 900;
}

.jbtp-panel-title small {
  display: block;

  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.jbtp-panel-title h3 {
  margin: 2px 0 0;

  font-size: 19px;
  letter-spacing: -0.03em;
}


/* 전북TP 서버랙 이미지 */

.jbtp-rack-image-wrap {
  min-height: 520px;

  padding: 12px;

  display: flex;
  align-items: center;
  justify-content: center;

  overflow: hidden;

  background:
    linear-gradient(
      180deg,
      #ffffff,
      #f5f8fc
    );

  border:
    1px solid #e1e8f2;

  border-radius: 12px;
}

.jbtp-rack-image {
  width: 100%;
  max-height: 670px;

  display: block;

  object-fit: contain;
}

.jbtp-rack-caption {
  margin-top: 14px;
  padding: 13px;

  text-align: center;

  background: var(--background);

  border-radius: 9px;
}

.jbtp-rack-caption span,
.jbtp-rack-caption strong {
  display: block;
}

.jbtp-rack-caption span {
  color: var(--text-light);

  font-size: 10px;
}

.jbtp-rack-caption strong {
  margin-top: 3px;

  font-size: 12px;
}


/* =========================================================
   17. 전북TP 전체 장비 표
========================================================= */

.jbtp-table-wrap {
  width: 100%;

  overflow-x: auto;

  border:
    1px solid var(--border);

  border-radius: 10px;
}

.jbtp-equipment-table {
  width: 100%;
  min-width: 690px;

  background: var(--white);

  font-size: 10.5px;
}

.jbtp-equipment-table th {
  padding: 10px 9px;

  color: var(--white);
  background: var(--navy);

  border-right:
    1px solid rgba(255, 255, 255, 0.16);

  font-size: 10px;
  font-weight: 800;

  white-space: nowrap;
}

.jbtp-equipment-table td {
  padding: 7px 9px;

  color: #30405a;

  border-right:
    1px solid var(--border);

  border-bottom:
    1px solid var(--border);

  line-height: 1.45;
}

.jbtp-equipment-table tbody tr:nth-child(even) {
  background: #f8faff;
}

.jbtp-equipment-table tbody tr:hover {
  background: var(--blue-light);
}

.jbtp-equipment-table td:first-child {
  color: var(--text);

  font-weight: 800;

  white-space: nowrap;
}

.jbtp-equipment-table td:nth-child(2),
.jbtp-equipment-table td:nth-child(3) {
  white-space: nowrap;
}


/* =========================================================
   18. 전북TP 구성 요약
========================================================= */

.jbtp-summary-panel {
  padding: 24px 20px;
}

.jbtp-summary-label {
  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.jbtp-summary-panel h3 {
  margin: 5px 0 0;

  font-size: 22px;
  letter-spacing: -0.035em;
}

.jbtp-summary-list {
  margin-top: 20px;

  display: grid;
  gap: 11px;
}

.jbtp-summary-list > div {
  padding: 11px;

  display: flex;
  align-items: center;
  gap: 10px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 9px;
}

.summary-icon {
  width: 39px;
  height: 39px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  border-radius: 9px;

  font-size: 10px;
  font-weight: 900;
}

.summary-blue {
  color: var(--blue);
  background: var(--blue-light);
}

.summary-red {
  color: var(--red);
  background: var(--red-light);
}

.summary-green {
  color: var(--green);
  background: var(--green-light);
}

.summary-purple,
.summary-violet {
  color: var(--purple);
  background: var(--purple-light);
}

.summary-orange {
  color: var(--orange);
  background: var(--orange-light);
}

.jbtp-summary-list p {
  margin: 0;

  display: flex;
  flex-direction: column;
}

.jbtp-summary-list strong {
  font-size: 12px;
}

.jbtp-summary-list small {
  margin-top: 1px;

  color: var(--text-light);

  font-size: 11px;
}


/* 신규 네트워크 예정 안내 */

.jbtp-plan-notice {
  margin-top: 17px;
  padding: 14px;

  background: #fff8e7;

  border:
    1px dashed #e8bf55;

  border-radius: 10px;
}

.jbtp-plan-notice span {
  padding: 3px 8px;

  display: inline-block;

  color: #8b6100;
  background: #ffe7a7;

  border-radius: 20px;

  font-size: 9px;
  font-weight: 900;
}

.jbtp-plan-notice p {
  margin: 9px 0 0;

  color: #6c5b30;

  font-size: 11px;
  line-height: 1.7;
}


/* =========================================================
   19. 전북TP 연산 인프라
========================================================= */

.compute-card-grid {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 18px;
}

.compute-card {
  min-height: 330px;

  padding: 27px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 15px;

  box-shadow: var(--shadow-small);

  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.compute-card:hover {
  border-color: #b5ccfb;

  transform: translateY(-4px);
}

.compute-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 10px;
}

.compute-icon {
  width: 48px;
  height: 48px;

  display: grid;
  place-items: center;

  color: var(--blue);
  background: var(--blue-light);

  border-radius: 12px;

  font-size: 11px;
  font-weight: 900;
}

.compute-role {
  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.09em;
}

.compute-card h3 {
  margin: 24px 0 0;

  font-size: 23px;
  letter-spacing: -0.03em;
}

.compute-card > strong {
  margin-top: 3px;

  display: block;

  color: var(--blue);

  font-size: 14px;
}

.compute-card ul {
  margin: 21px 0 0;
  padding-left: 18px;

  color: var(--text-light);

  font-size: 13px;
  line-height: 1.9;
}


/* =========================================================
   20. AI융합 플랫폼 운영 구조
========================================================= */

.platform-operation-card {
  margin-top: 22px;
  padding: 32px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 17px;

  box-shadow: var(--shadow-small);
}

.platform-operation-heading {
  text-align: center;
}

.platform-operation-heading > span {
  color: var(--blue);

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.platform-operation-heading h3 {
  margin: 6px 0 0;

  font-size: 25px;
  letter-spacing: -0.035em;
}

.platform-operation-heading p {
  width: min(760px, 100%);
  margin: 10px auto 0;

  color: var(--text-light);

  font-size: 14px;
}

.platform-flow {
  margin-top: 28px;

  display: grid;
  grid-template-columns:
    auto 34px
    auto 34px
    auto 34px
    auto 34px
    auto;

  align-items: center;
  justify-content: center;

  gap: 8px;
}

.platform-flow-item {
  width: 145px;
  min-height: 120px;

  padding: 17px 12px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  text-align: center;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 12px;
}

.platform-flow-item span {
  width: 28px;
  height: 28px;

  display: grid;
  place-items: center;

  color: var(--white);
  background: var(--blue);

  border-radius: 50%;

  font-size: 9px;
  font-weight: 900;
}

.platform-flow-item strong {
  margin-top: 10px;

  font-size: 13px;
}

.platform-flow-item small {
  margin-top: 3px;

  color: var(--text-light);

  font-size: 10px;
}

.platform-flow-arrow {
  color: #95a6bf;

  font-size: 21px;
  font-weight: 900;
}


/* =========================================================
   21. 전북TP 데이터 인프라
========================================================= */

.data-infrastructure-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 20px;
}

.data-card {
  padding: 32px;

  border-radius: 17px;

  box-shadow: var(--shadow-small);
}

.data-card-weka {
  background:
    linear-gradient(
      145deg,
      #ffffff,
      #f7f2ff
    );

  border:
    1px solid #d8c7f5;
}

.data-card-archive {
  background:
    linear-gradient(
      145deg,
      #ffffff,
      #f0f9f3
    );

  border:
    1px solid #c5e2ce;
}

.data-card-header {
  display: flex;
  align-items: center;

  gap: 14px;
}

.data-card-icon {
  width: 55px;
  height: 55px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);

  border-radius: 14px;

  font-size: 12px;
  font-weight: 900;
}

.data-card-weka .data-card-icon {
  background: var(--purple);
}

.data-card-archive .data-card-icon {
  background: var(--green);
}

.data-card-header div > span {
  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.data-card-header h3 {
  margin: 4px 0 0;

  font-size: 22px;
  letter-spacing: -0.035em;
}

.data-card-capacity {
  margin-top: 25px;
  padding: 20px;

  display: flex;
  align-items: baseline;
  justify-content: space-between;

  gap: 15px;

  background: rgba(255, 255, 255, 0.72);

  border:
    1px solid rgba(223, 230, 240, 0.9);

  border-radius: 12px;
}

.data-card-capacity strong {
  font-size: 35px;
  line-height: 1;
}

.data-card-weka .data-card-capacity strong {
  color: var(--purple);
}

.data-card-archive .data-card-capacity strong {
  color: var(--green);
}

.data-card-capacity span {
  color: var(--text-light);

  font-size: 12px;
}

.data-card ul {
  margin: 23px 0 0;
  padding-left: 20px;

  color: #536178;

  font-size: 13px;
  line-height: 1.9;
}


/* 아카이브 3식 */

.archive-list {
  margin-top: 22px;

  display: grid;
  gap: 9px;
}

.archive-list > div {
  padding: 12px 14px;

  display: flex;
  align-items: center;

  gap: 11px;

  background: rgba(255, 255, 255, 0.75);

  border:
    1px solid rgba(198, 226, 207, 0.9);

  border-radius: 10px;
}

.archive-list > div > span {
  width: 31px;
  height: 31px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--white);
  background: var(--green);

  border-radius: 8px;

  font-size: 10px;
  font-weight: 900;
}

.archive-list p {
  margin: 0;

  display: flex;
  flex-direction: column;
}

.archive-list strong {
  font-size: 12px;
}

.archive-list small {
  color: var(--text-light);

  font-size: 11px;
}


/* 데이터 이용 흐름 */

.storage-purpose-card {
  margin-top: 22px;
  padding: 27px;

  display: grid;
  grid-template-columns:
    auto 40px auto 40px auto;

  align-items: center;
  justify-content: center;

  gap: 20px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 15px;
}

.storage-purpose-item {
  width: 245px;

  display: flex;
  align-items: flex-start;

  gap: 12px;
}

.purpose-number {
  width: 35px;
  height: 35px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  color: var(--blue);
  background: var(--blue-light);

  border-radius: 9px;

  font-size: 10px;
  font-weight: 900;
}

.storage-purpose-item strong {
  font-size: 14px;
}

.storage-purpose-item p {
  margin: 4px 0 0;

  color: var(--text-light);

  font-size: 11px;
  line-height: 1.65;
}

.storage-purpose-arrow {
  color: #91a2bb;

  font-size: 22px;
  font-weight: 900;
}


/* =========================================================
   22. 전북TP 네트워크·보안
========================================================= */

.jbtp-network-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 20px;
}

.jbtp-network-card {
  padding: 30px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 17px;

  box-shadow: var(--shadow-small);
}

.current-network-card {
  border-top:
    5px solid var(--blue);
}

.planned-network-card {
  border-top:
    5px solid var(--yellow);
}

.network-status-header {
  display: flex;
  align-items: center;

  gap: 14px;
}

.status-badge {
  width: 54px;
  height: 54px;

  display: grid;
  flex: 0 0 auto;

  place-items: center;

  border-radius: 14px;

  font-size: 11px;
  font-weight: 900;
}

.current-badge {
  color: var(--blue);
  background: var(--blue-light);
}

.planned-badge {
  color: #8c6300;
  background: #fff1bf;
}

.network-status-header small {
  color: var(--blue);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.network-status-header h3 {
  margin: 4px 0 0;

  font-size: 21px;
  letter-spacing: -0.035em;
}


/* 네트워크 흐름도 */

.jbtp-network-flow {
  margin-top: 25px;
  padding: 22px;

  display: flex;
  flex-direction: column;
  align-items: center;

  background: #f8faff;

  border:
    1px solid #dfe7f3;

  border-radius: 13px;
}

.jbtp-network-flow > div {
  width: min(310px, 100%);
  min-height: 65px;

  padding: 12px 16px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  text-align: center;

  background: var(--white);

  border:
    1px solid #bfcfea;

  border-radius: 9px;

  box-shadow:
    0 5px 14px rgba(20, 45, 85, 0.06);
}

.jbtp-network-flow span,
.jbtp-network-flow strong {
  display: block;
}

.jbtp-network-flow span {
  color: var(--text-light);

  font-size: 9px;
}

.jbtp-network-flow strong {
  margin-top: 2px;

  font-size: 14px;
}

.jbtp-network-flow i {
  height: 26px;

  color: #8da3c4;

  font-size: 17px;
  font-style: normal;
  line-height: 26px;
}

.planned-flow {
  border-style: dashed;
}

.planned-flow > div {
  background: #fffdf5;

  border-color: #d6bd79;
  border-style: dashed;
}

.network-description-list {
  margin: 22px 0 0;
  padding-left: 19px;

  color: var(--text-light);

  font-size: 13px;
  line-height: 1.9;
}


/* =========================================================
   23. 전북TP 백엔드 네트워크
========================================================= */

.backend-network-card {
  margin-top: 22px;
  padding: 30px;

  display: grid;
  grid-template-columns:
    minmax(250px, 0.7fr)
    minmax(600px, 1.7fr);

  align-items: center;

  gap: 28px;

  background: var(--white);

  border:
    1px solid var(--border);

  border-radius: 17px;

  box-shadow: var(--shadow-small);
}

.backend-network-heading > span {
  color: var(--purple);

  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.backend-network-heading h3 {
  margin: 6px 0 0;

  font-size: 23px;
  letter-spacing: -0.035em;
}

.backend-network-heading p {
  margin: 10px 0 0;

  color: var(--text-light);

  font-size: 13px;
}

.backend-device-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: 12px;
}

.backend-device-grid > div {
  padding: 16px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 10px;
}

.backend-device-grid span,
.backend-device-grid strong,
.backend-device-grid small {
  display: block;
}

.backend-device-grid span {
  color: var(--text-light);

  font-size: 10px;
}

.backend-device-grid strong {
  margin-top: 4px;

  font-size: 14px;
}

.backend-device-grid small {
  margin-top: 3px;

  color: var(--blue);

  font-size: 10px;
}


/* =========================================================
   24. 전북TP 인프라 확장 이력
========================================================= */

.history-timeline {
  position: relative;

  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 23px;
}

.history-timeline::before {
  position: absolute;

  top: 43px;
  right: 11%;
  left: 11%;

  z-index: 0;

  height: 3px;

  content: "";

  background:
    linear-gradient(
      90deg,
      #6f9af2,
      #b0c7f5,
      #d5a738
    );
}

.history-item {
  position: relative;
  z-index: 1;
}

.history-year {
  width: 86px;
  height: 86px;

  margin: 0 auto;

  display: grid;
  place-items: center;

  color: var(--white);
  background: var(--blue);

  border:
    8px solid var(--white);

  border-radius: 50%;

  box-shadow:
    0 5px 18px rgba(36, 99, 235, 0.26);

  font-size: 17px;
  font-weight: 900;
}

.planned-history .history-year {
  background: var(--yellow);
}

.history-content {
  min-height: 290px;

  margin-top: 18px;
  padding: 25px;

  background: var(--background);

  border:
    1px solid var(--border);

  border-radius: 14px;
}

.history-content > span {
  color: var(--blue);

  font-size: 10px;
  font-weight: 900;
}

.planned-history .history-content > span {
  color: #a27400;
}

.history-content h3 {
  margin: 6px 0 0;

  font-size: 19px;
  letter-spacing: -0.03em;
}

.history-content ul {
  margin: 18px 0 0;
  padding-left: 19px;

  color: var(--text-light);

  font-size: 12px;
  line-height: 1.9;
}


/* 하단 NEXT STEP */

.history-final-message {
  margin-top: 23px;
  padding: 22px 26px;

  display: flex;
  align-items: center;

  gap: 19px;

  background:
    linear-gradient(
      90deg,
      var(--navy),
      var(--navy-light)
    );

  border-radius: 14px;
}

.history-final-message span {
  flex: 0 0 auto;

  color: #90b8ff;

  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.history-final-message p {
  margin: 0;

  color: rgba(255, 255, 255, 0.8);

  font-size: 13px;
}


/* =========================================================
   25. 1450px 이하
========================================================= */

@media (max-width: 1450px) {

  .jbtp-overview-board {
    grid-template-columns:
      minmax(260px, 0.72fr)
      minmax(540px, 1.7fr);
  }

  .jbtp-summary-panel {
    grid-column: 1 / -1;
  }

  .jbtp-summary-list {
    grid-template-columns:
      repeat(6, minmax(0, 1fr));
  }

  .jbtp-plan-notice {
    display: flex;
    align-items: center;

    gap: 11px;
  }

  .jbtp-plan-notice p {
    margin: 0;
  }

}


/* =========================================================
   26. 1280px 이하
========================================================= */

@media (max-width: 1280px) {

  :root {
    --sidebar-width: 205px;
  }

  .sidebar {
    padding: 30px 18px;
  }

  .sidebar-logo strong {
    font-size: 18px;
  }

  .infrastructure-layout {
    grid-template-columns:
      200px minmax(400px, 600px);
  }

  .equipment-info-panel {
    grid-column: 1 / -1;
  }

  .physical-network-diagram,
  .vm-network-diagram {
    grid-template-columns: 1fr;
  }

  .vm-network-bridge {
    flex-direction: row;
    justify-content: center;
  }

  .bridge-line {
    width: 70px;
    height: 2px;
  }

  .platform-flow {
    grid-template-columns:
      repeat(5, minmax(0, 1fr));
  }

  .platform-flow-arrow {
    display: none;
  }

  .platform-flow-item {
    width: auto;
  }

  .storage-purpose-card {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }

  .storage-purpose-item {
    width: auto;
  }

  .storage-purpose-arrow {
    display: none;
  }

}


/* =========================================================
   27. 1050px 이하
========================================================= */

@media (max-width: 1050px) {

  .infrastructure-layout {
    grid-template-columns: 1fr;
  }

  .rack-guide,
  .rack-image-area,
  .equipment-info-panel {
    width: 100%;
    max-width: 690px;

    margin: 0 auto;
  }

  .network-summary-grid {
    grid-template-columns: 1fr;
  }

  .jbtp-overview-board {
    grid-template-columns: 1fr;
  }

  .jbtp-rack-panel,
  .jbtp-equipment-panel,
  .jbtp-summary-panel {
    width: 100%;
  }

  .jbtp-rack-image-wrap {
    min-height: auto;
  }

  .jbtp-rack-image {
    max-height: 750px;
  }

  .jbtp-summary-list {
    grid-template-columns:
      repeat(3, minmax(0, 1fr));
  }

  .compute-card-grid,
  .data-infrastructure-grid,
  .jbtp-network-grid,
  .history-timeline {
    grid-template-columns: 1fr;
  }

  .history-timeline::before {
    display: none;
  }

  .history-content {
    min-height: auto;
  }

  .backend-network-card {
    grid-template-columns: 1fr;
  }

}


/* =========================================================
   28. 모바일 760px 이하
========================================================= */

@media (max-width: 760px) {

  .sidebar {
    position: relative;

    width: 100%;
    height: auto;

    padding: 18px;
  }

  .sidebar-logo {
    padding-bottom: 14px;
  }

  .sidebar-logo strong {
    font-size: 18px;
  }

  .sidebar-logo strong br {
    display: none;
  }

  .sidebar-logo span {
    margin-top: 2px;
  }

  .sidebar-nav {
    margin-top: 14px;
  }

  .sidebar-nav-panel {
    display: grid;

    grid-template-columns:
      repeat(2, minmax(0, 1fr));

    gap: 4px;
  }

  .sidebar-nav-panel[hidden] {
    display: none;
  }

  .sidebar-menu-group {
    margin-top: 0;
  }

  .sidebar-subnav {
    margin-left: 0;

    flex-direction: row;
    flex-wrap: wrap;

    border-left: 0;
  }

  .sidebar-sublink {
    min-height: 32px;

    background:
      rgba(255, 255, 255, 0.05);
  }

  .sidebar-bottom {
    display: none;
  }

  main {
    margin-left: 0;
  }

  .content-width {
    width: min(calc(100% - 24px), 1320px);
  }

  .page-title-section {
    padding: 32px 0 26px;
  }

  .page-title-section h1 {
    font-size: 28px;
  }

  .server-tab-section {
    position: relative;
  }

  .server-tabs {
    grid-template-columns: 1fr;
  }

  .server-tab {
    min-height: 47px;
  }

  .infrastructure-section,
  .network-section,
  .access-section,
  .jbtp-section {
    padding: 55px 0;
  }

  .section-heading h2 {
    font-size: 28px;
  }

  .rack-guide {
    padding: 23px 20px;
  }

  .hotspot-circle {
    width: 32px;
    height: 32px;

    border-width: 3px;

    font-size: 18px;
  }

  .hotspot-tooltip {
    width: 155px;

    padding: 9px 10px;
  }

  .hotspot-tooltip em {
    display: none;
  }

  .equipment-info-panel {
    padding: 25px 21px;
  }

  .equipment-info-header {
    align-items: flex-start;
  }

  .equipment-info-badge {
    width: 53px;
    height: 53px;
  }

  .equipment-spec-list div {
    grid-template-columns:
      84px minmax(0, 1fr);
  }

  .network-card {
    padding: 22px;
  }

  .network-card-heading {
    grid-template-columns: 1fr;
  }

  .internal-network-layout {
    grid-template-columns: 1fr;
  }

  .horizontal-line {
    width: 2px;
    height: 42px;

    margin: 0 auto;
  }

  .vm-layer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nic-box {
    width: 100%;
  }

  .access-item-button {
    min-height: 76px;

    padding: 14px 16px;

    grid-template-columns:
      44px minmax(0, 1fr) 18px;

    gap: 12px;
  }

  .access-item-icon {
    width: 42px;
    height: 42px;
  }

  .access-content-inner {
    padding: 20px 18px 22px;
  }

  .jbtp-rack-panel,
  .jbtp-equipment-panel,
  .jbtp-summary-panel,
  .compute-card,
  .platform-operation-card,
  .data-card,
  .jbtp-network-card,
  .backend-network-card {
    padding: 21px;
  }

  .jbtp-summary-list {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .platform-flow {
    grid-template-columns: 1fr;
  }

  .data-card-capacity {
    align-items: flex-start;
    flex-direction: column;
  }

  .storage-purpose-card {
    grid-template-columns: 1fr;
  }

  .backend-device-grid {
    grid-template-columns: 1fr;
  }

  .history-final-message {
    align-items: flex-start;
    flex-direction: column;

    gap: 7px;
  }

}


/* =========================================================
   29. 작은 모바일 480px 이하
========================================================= */

@media (max-width: 480px) {

  .page-title-section h1 {
    font-size: 25px;
  }

  .hotspot-firewall,
  .hotspot-switch,
  .hotspot-server,
  .hotspot-storage,
  .hotspot-ups {
    left: 7%;
  }

  .hotspot-tooltip {
    width: 135px;
  }

  .sidebar-nav-panel {
    grid-template-columns: 1fr;
  }

  .jbtp-summary-list {
    grid-template-columns: 1fr;
  }

  .jbtp-equipment-table {
    font-size: 10px;
  }

  .data-card-capacity strong {
    font-size: 30px;
  }

}