:root {
  --xs-text: #222222;
  --xs-muted: #565b62;
  --xs-line: #c9cdd2;
  --xs-blue: #246cf2;
  --xs-blue-deep: #0b4198;
  --xs-gray-bg: #f3f3f3;
  --xs-blue-light: #b5e3ff;
  --xs-max: 1200px;
}

.xs-page {
  overflow: hidden;
  color: var(--xs-text);
  background: #fff;
  font-family: "Pretendard", "Noto Sans KR", Arial, sans-serif;
  word-break: keep-all;
}

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

.xs-page h1,
.xs-page h2,
.xs-page h3,
.xs-page h4,
.xs-page p {
  margin-top: 0;
  letter-spacing: 0;
}

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

.xs-page ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.xs-container {
  width: min(calc(100% - 48px), var(--xs-max));
  margin: 0 auto;
}

.xs-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 26px;
  border: none;
  border-radius: 22px;
  color: var(--xs-blue-deep);
  background: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.xs-btn:hover {
  opacity: 0.9;
}

.xs-btn.is-solid {
  color: #fff;
  background: var(--xs-blue-deep);
}

.xs-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  color: var(--xs-blue);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

/* Product bar : um/uo의 sa-product-bar-inner 규격(88px, 30px, 600) 재사용 */
.xs-product-bar {
        border-top: 1px solid #cbd3db;
        border-bottom: 1px solid var(--xs-line);
    background: #f3f3f3;
}

.xs-product-bar-inner {
display: flex;
    min-height: 88px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 30px;
    font-weight: 600;
}

.xs-product-bar strong {
  font-size: inherit;
}

.xs-product-bar sup {
  font-size: 0.55em;
  vertical-align: super;
}

/* Hero : deviceTRUST-hero와 동일 규격 */
.xs-hero {
  color: #fff;
  background: var(--xs-blue-deep);
}

.xs-hero-inner {
  display: grid;
  min-height: 520px;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr);
  gap: 90px;
  align-items: center;
}

.xs-hero-copy {
  max-width: 600px;
}

.xs-hero-copy h1 {
  margin: 0 0 28px;
  color: #fff;
  font-size: 44px;
  line-height: 1.28;
}

.xs-hero-copy p {
  margin: 0;
  color: #fff;
  font-size: 18px;
  line-height: 1.75;
}

.xs-hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 1.72 / 1;
  object-fit: cover;
}

/* Intro : 3-column feature grid (deviceTRUST의 dt-benefit-grid 규격 재사용, 3열) */
.xs-intro {
  padding: 100px 0 20px;
}

.xs-intro-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.xs-intro-head h2 {
  margin: 0 0 16px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-intro-head p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

.xs-intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
  padding-bottom: 80px;
}

.xs-intro-item {
  padding: 40px 32px 36px;
  border-radius: 16px;
  background: var(--xs-blue-light);
}

.xs-intro-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.xs-intro-item h3 {
  margin: 18px 0 12px;
  font-size: 19px;
  line-height: 1.4;
}

.xs-intro-item p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.75;
}

/* Announcement panel : deviceTRUST의 dt-document-panel 규격 재사용. Community 섹션도 동일 패널 디자인 공유 */
.xs-announce {
  padding: 0 0 100px;
}

.xs-announce-panel,
.xs-community-panel {
  display: grid;
  min-height: 260px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 50px;
  border-radius: 20px;
  color: #fff;
  background: var(--xs-blue);
}

.xs-announce-tag,
.xs-community-tag {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}

.xs-announce-panel h2,
.xs-community-panel h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.35;
}

.xs-announce-panel p,
.xs-community-panel p {
  margin: 0 0 20px;
  font-size: 18px;
  line-height: 1.7;
}

.xs-announce-panel a,
.xs-community-panel a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.85);
    padding-bottom: 4px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
}

/* Benefits : 6개 카드, 3열 그리드 (88px 아이콘) */
.xs-benefits {
  padding: 0 0 100px;
  text-align: center;
}

.xs-benefits-head {
  max-width: 880px;
  margin: 0 auto 56px;
}

.xs-benefits-head h2 {
  margin: 0 0 16px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-benefits-head p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

.xs-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 52px 34px;
  text-align: left;
}

.xs-benefit-item img {
  width: 88px;
  height: 88px;
  object-fit: contain;
}

.xs-benefit-item h3 {
  margin: 20px 0 14px;
  font-size: 20px;
  line-height: 1.4;
}

.xs-benefit-item p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.75;
}

/* Usecases : 좌우 교차 2단 텍스트+이미지 행 */
.xs-solutions {
  padding: 0 0 40px;
}

.xs-solutions-head {
  max-width: 820px;
  margin: 0 auto 20px;
  text-align: center;
}

.xs-solutions-head h2 {
  margin: 0 0 16px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-solutions-head p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

.xs-usecase-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--xs-line);
}

.xs-usecase-row:last-child {
  border-bottom: 0;
}

.xs-usecase-row.is-reverse .xs-usecase-media {
  order: -1;
}

.xs-usecase-media img {
  border-radius: 8px;
}

.xs-usecase-tag {
  margin: 0 0 10px;
  color: var(--xs-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.xs-usecase-copy h3 {
  margin: 0 0 16px;
  font-size: 23px;
  line-height: 1.4;
}

.xs-usecase-copy p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

/* Community : Announce 패널과 동일한 블루 박스(2단: 태그+제목 / 본문+링크) 재사용 */
.xs-community {
  padding: 100px 0;
}

/* Architecture : 텍스트+불릿 좌측, 다이어그램 우측 */
.xs-architecture {
  padding: 100px 0;
  background: var(--xs-blue-light);
}

.xs-architecture-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 70px;
  align-items: center;
}

.xs-architecture-copy h2 {
  margin: 0 0 18px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-architecture-copy > p {
  margin: 0 0 28px;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

.xs-architecture-lead {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--xs-text);
}

.xs-architecture-list li {
  position: relative;
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.7;
}

.xs-architecture-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--xs-blue);
}

.xs-architecture-media img {
  border-radius: 8px;
}

/* Start : 인트로 + 2카드 그리드 */
.xs-start {
  padding: 100px 0 100px;
}

.xs-start-head {
  max-width: 780px;
  margin: 0 auto 48px;
  text-align: center;
}

.xs-start-head h2 {
  margin: 0 0 16px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-start-head p {
  margin: 0;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.8;
}

.xs-start-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.xs-start-card {
  padding: 36px 32px;
  border-radius: 16px;
  background: var(--xs-blue-light);
}

.xs-start-card .xs-link {
  color: var(--xs-blue-deep);
}

.xs-start-card h3 {
  margin: 0 0 14px;
  font-size: 20px;
}

.xs-start-card p {
  margin: 0 0 16px;
  color: var(--xs-muted);
  font-size: 18px;
  line-height: 1.75;
}

.xs-start-note {
  margin: 0 0 22px;
  color: #5a6067;
  font-size: 12px;
  line-height: 1.6;
}

/* Download CTA : deviceTRUST tech-zone 규격 재사용 */
.xs-cta {
  color: #fff;
  /* background: var(--xs-blue); */
}

.xs-cta-inner {
  display: flex;
  min-height: 260px;
  align-items: center;
/*   justify-content: space-between; */
  gap: 48px;
  padding: 50px; background:var(--xs-blue); border-radius: 20px;
}

.xs-cta-tag {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}

.xs-cta-copy h2 {
  max-width: 520px;
  margin: 0;
  font-size: 36px;
  line-height: 1.35;
}

.xs-cta-action {
  flex-shrink: 0;
  max-width: 400px;
  text-align: left;
}

.xs-cta-action p {
  margin: 0 0 20px;
  font-size: 18px;
  line-height: 1.7;
}

/* Resources : 5개 카드 그리드 */
.xs-resources {
  padding: 100px 0;
  background: #fff;
}

.xs-resources-eyebrow {
  margin: 0 0 10px;
  color: var(--xs-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.xs-resources h2 {
  margin: 0 0 44px;
  font-size: 36px;
  line-height: 1.35;
}

.xs-resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.xs-resource-card {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 36px 32px 32px;
  border-radius: 10px;
  background: var(--xs-gray-bg);
}

.xs-resource-tag {
  margin: 0 0 18px;
  color: var(--xs-muted);
  font-size: 13px;
  font-weight: 700;
}

.xs-resource-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

.xs-resource-card a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--xs-blue);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .xs-hero-inner {
    min-height: 460px;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
    gap: 48px;
  }

  .xs-hero-copy h1 {
    font-size: 34px;
  }

  .xs-intro-grid,
  .xs-benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .xs-announce-panel,
  .xs-community-panel {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: left;
  }

  .xs-usecase-row,
  .xs-architecture-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .xs-usecase-row.is-reverse .xs-usecase-media {
    order: 0;
  }

  .xs-start-grid {
    grid-template-columns: 1fr;
  }

  .xs-resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .xs-container {
    width: min(calc(100% - 32px), var(--xs-max));
  }

  .xs-hero-inner {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .xs-hero-copy {
    max-width: none;
  }

  .xs-hero-copy h1 {
    margin-bottom: 22px;
    font-size: 29px;
  }

  .xs-hero-copy p {
    font-size: 16px;
  }

  .xs-intro,
  .xs-community,
  .xs-architecture {
    padding: 60px 0;
  }

  .xs-announce,
  .xs-benefits,
  .xs-start {
    padding-bottom: 60px;
  }

  .xs-intro-head h2,
  .xs-benefits-head h2,
  .xs-solutions-head h2,
  .xs-community h2,
  .xs-architecture-copy h2,
  .xs-start-head h2,
  .xs-resources h2 {
    font-size: 27px;
  }

  .xs-announce-panel,
  .xs-community-panel {
    padding: 32px 28px;
    border-radius: 12px;
  }

  .xs-announce-panel h2,
  .xs-community-panel h2 {
    font-size: 27px;
  }

  .xs-intro-grid,
  .xs-benefit-grid,
  .xs-resource-grid {
    grid-template-columns: 1fr;
  }

  .xs-usecase-copy h3 {
    font-size: 21px;
  }

  .xs-cta-inner {
    flex-direction: column;
    align-items: flex-start;
    min-height: 0;
    padding: 44px 0;
    gap: 24px;
  }

  .xs-cta-copy h2 {
    font-size: 28px;
  }
}