@media screen and (min-width: 769px) {
  .loong-home {
    color: var(--loong-ink);
    background: #fff;
    overflow: hidden;
  }

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

  .loong-shell {
    width: min(calc(100% - 72px), 1500px);
    margin: 0 auto;
  }

  .loong-section {
    padding: 92px 0;
  }

  .loong-eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 16px;
    color: var(--loong-blue);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0;
  }

  .loong-eyebrow::before {
    width: 32px;
    height: 2px;
    content: '';
    background: var(--loong-cyan);
  }

  .loong-eyebrow--light {
    color: #8ee9f4;
  }

  .loong-heading {
    margin-bottom: 38px;
  }

  .loong-heading h2,
  .loong-global__intro h2 {
    max-width: 820px;
    margin: 0;
    color: var(--loong-ink);
    font-size: 44px;
    font-weight: 720;
    line-height: 1.12;
    letter-spacing: 0;
  }

  .loong-heading > p,
  .loong-heading--split > p {
    max-width: 520px;
    color: var(--loong-muted);
    font-size: 16px;
    line-height: 1.75;
  }

  .loong-heading--split {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 48px;
  }

  .loong-heading--inverse h2,
  .loong-heading--inverse > p {
    color: #fff;
  }

  .loong-heading--inverse > p {
    color: #b7c7d2;
  }

  .loong-heading--center {
    max-width: 820px;
    margin-right: auto;
    margin-bottom: 52px;
    margin-left: auto;
    text-align: center;
  }

  .loong-heading--center .loong-eyebrow {
    justify-content: center;
  }

  .loong-heading--center h2,
  .loong-heading--center > p {
    margin-right: auto;
    margin-left: auto;
  }

  .loong-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
  }

  .loong-button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.2;
    transition: transform .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  }

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

  .loong-button--primary {
    color: #fff;
    background: var(--loong-blue);
    box-shadow: 0 12px 30px rgba(7, 84, 154, .24);
  }

  .loong-button--primary:hover {
    background: #0a67ae;
  }

  .loong-button--ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, .45);
    background: rgba(255, 255, 255, .06);
    backdrop-filter: blur(12px);
  }

  .loong-button--ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, .13);
  }

  .loong-button--dark {
    color: #fff;
    background: var(--loong-navy);
  }

  .loong-hero,
  .loong-hero__swiper,
  .loong-hero__slide {
    min-height: 720px;
    height: 100vh;
  }

  .loong-hero {
    position: relative;
    color: #fff;
    background: var(--loong-navy);
  }

  .loong-hero__slide {
    position: relative;
    isolation: isolate;
    overflow: hidden;
  }

  .loong-hero__background,
  .loong-hero__shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .loong-hero__background {
    z-index: -3;
    object-fit: cover;
    object-position: center;
  }

  .loong-hero__slide--2 .loong-hero__background {
    filter: saturate(.88) hue-rotate(4deg);
    transform: scale(1.035);
  }

  .loong-hero__slide--3 .loong-hero__background {
    filter: saturate(.78) brightness(.9);
    transform: scale(1.02);
  }

  .loong-hero__shade {
    z-index: -2;
    background:
      linear-gradient(90deg, rgba(2, 15, 27, .96) 0%, rgba(3, 24, 40, .87) 35%, rgba(3, 23, 38, .2) 70%, rgba(3, 18, 30, .32) 100%),
      linear-gradient(0deg, rgba(1, 12, 21, .54) 0%, transparent 43%);
  }

  .loong-hero__inner {
    position: relative;
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    padding-top: 90px;
  }

  .loong-hero__content {
    width: min(690px, 58%);
  }

  .loong-hero h1 {
    max-width: 760px;
    margin: 0;
    color: #fff;
    font-size: 64px;
    font-weight: 740;
    line-height: 1.04;
    letter-spacing: 0;
  }

  .loong-hero__copy {
    max-width: 620px;
    margin-top: 24px;
    color: #c8d6df;
    font-size: 17px;
    line-height: 1.75;
  }

  .loong-hero__controls {
    position: absolute;
    right: 0;
    bottom: 34px;
    left: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .loong-hero__prev,
  .loong-hero__next {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .36);
    border-radius: 50%;
    color: #fff;
  }

  .loong-hero__pagination {
    display: flex;
    width: auto !important;
    align-items: center;
    gap: 7px;
  }

  .loong-hero__pagination .swiper-pagination-bullet {
    width: 28px;
    height: 3px;
    margin: 0 !important;
    border-radius: 0;
    background: rgba(255, 255, 255, .5);
    opacity: 1;
  }

  .loong-hero__pagination .swiper-pagination-bullet-active {
    background: #56c9df !important;
  }

  .loong-categories {
    background: #fff;
  }

  .loong-category-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    border-top: 1px solid var(--loong-line);
    border-left: 1px solid var(--loong-line);
  }

  .loong-category {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    border-right: 1px solid var(--loong-line);
    border-bottom: 1px solid var(--loong-line);
    background: #fff;
    overflow: hidden;
  }

  .loong-category__media {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    background: #f4f7f8;
    overflow: hidden;
  }

  .loong-category__media::after {
    position: absolute;
    inset: 0;
    content: '';
    background: linear-gradient(145deg, transparent 60%, rgba(7, 84, 154, .08));
  }

  .loong-category__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

  .loong-category:hover .loong-category__media img {
    transform: scale(1.055);
  }

  .loong-category__body {
    display: grid;
    min-height: 84px;
    grid-template-columns: 30px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 10px;
    padding: 14px 15px;
  }

  .loong-category__body > i:first-child {
    color: var(--loong-blue);
    font-size: 23px;
  }

  .loong-category__text {
    min-width: 0;
  }

  .loong-category__text strong,
  .loong-category__text small {
    display: block;
  }

  .loong-category__text strong {
    color: var(--loong-ink);
    font-size: 14px;
    font-weight: 680;
    line-height: 1.35;
  }

  .loong-category__text small {
    margin-top: 4px;
    color: #82909a;
    font-size: 11px;
  }

  .loong-category__arrow {
    color: #a6b2ba;
    font-size: 17px;
    transition: color .25s ease, transform .25s ease;
  }

  .loong-category:hover .loong-category__arrow {
    color: var(--loong-blue);
    transform: translate(2px, -2px);
  }

  .loong-factory {
    color: #fff;
    background: var(--loong-navy);
  }

  .loong-factory__media {
    display: grid;
    width: min(100%, 1420px);
    height: 480px;
    grid-template-columns: minmax(0, 1.3fr) minmax(520px, 1fr);
    gap: 22px;
    margin: 0 auto;
  }

  .loong-factory__feature {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 0;
    border-radius: 4px;
    overflow: hidden;
  }

  .loong-factory__feature > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 50%;
  }

  .loong-factory__gallery {
    display: grid;
    width: 100%;
    height: auto;
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 0;
  }

  .loong-factory__gallery figure {
    position: relative;
    margin: 0;
    border-radius: 4px;
    background: #0d2a3e;
    overflow: hidden;
  }

  .loong-factory__gallery img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.018);
    transition: transform .45s ease;
  }

  .loong-factory__gallery figure:hover img {
    transform: scale(1.06);
  }

  .loong-factory__gallery figcaption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 44px 16px 15px;
    color: #fff;
    font-size: 12px;
    line-height: 1.35;
    background: linear-gradient(transparent, rgba(2, 15, 25, .9));
  }

  .loong-products {
    background: var(--loong-surface);
  }

  .loong-text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--loong-blue);
    font-size: 14px;
    font-weight: 680;
  }

  .loong-product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .loong-product {
    display: block;
    min-width: 0;
    padding: 12px 12px 20px;
    border: 1px solid #e0e7eb;
    border-radius: 5px;
    background: #fff;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  }

  .loong-product:hover {
    border-color: rgba(7, 84, 154, .35);
    box-shadow: 0 22px 44px rgba(18, 43, 61, .11);
    transform: translateY(-4px);
  }

  .loong-product__media {
    position: relative;
    display: block;
    aspect-ratio: 1.25 / 1;
    margin-bottom: 18px;
    background: #f3f6f7;
    overflow: hidden;
  }

  .loong-product__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform .45s ease;
  }

  .loong-product:hover .loong-product__media img {
    transform: scale(1.045);
  }

  .loong-product__view {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--loong-blue);
  }

  .loong-product__meta {
    display: block;
    margin: 0 6px 7px;
    color: var(--loong-blue);
    font-size: 10px;
    font-weight: 720;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .loong-product > strong {
    display: block;
    min-height: 45px;
    margin: 0 6px;
    color: var(--loong-ink);
    font-size: 15px;
    font-weight: 680;
    line-height: 1.48;
  }

  .loong-global {
    background: #fff;
  }

  .loong-global .loong-shell {
    display: grid;
    grid-template-columns: minmax(360px, .8fr) minmax(0, 1.5fr);
    align-items: center;
    gap: 64px;
  }

  .loong-global__intro > p:not(.loong-eyebrow) {
    margin-top: 24px;
    color: var(--loong-muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .loong-global__intro ul {
    display: grid;
    gap: 11px;
    margin: 26px 0 30px;
    padding: 0;
  }

  .loong-global__intro li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #344651;
    font-size: 14px;
  }

  .loong-global__intro li i {
    display: grid;
    width: 24px;
    height: 24px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--loong-blue);
  }

  .loong-use-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .loong-use-card {
    position: relative;
    height: 530px;
    background: var(--loong-navy);
    overflow: hidden;
  }

  .loong-use-card > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }

  .loong-use-card:hover > img {
    transform: scale(1.035);
  }

  .loong-use-card::after {
    position: absolute;
    inset: 0;
    content: '';
    background: linear-gradient(0deg, rgba(3, 19, 32, .95) 0%, rgba(3, 19, 32, .08) 62%);
  }

  .loong-use-card div {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    padding: 26px 22px;
    color: #fff;
  }

  .loong-use-card h3 {
    margin: 0 0 9px;
    font-size: 20px;
    letter-spacing: 0;
  }

  .loong-use-card p {
    color: #c7d3db;
    font-size: 12px;
    line-height: 1.65;
  }

  .loong-flow {
    padding-top: 88px;
    background: #edf3f6;
  }

  .loong-flow__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid #d5e0e6;
    background: #fff;
  }

  .loong-flow__item {
    position: relative;
    min-height: 260px;
    padding: 38px 34px;
    border-right: 1px solid #d5e0e6;
  }

  .loong-flow__item:last-child {
    border-right: 0;
  }

  .loong-flow__item > span {
    display: grid;
    width: 52px;
    height: 52px;
    margin-bottom: 30px;
    place-items: center;
    border: 1px solid rgba(7, 84, 154, .25);
    border-radius: 4px;
    color: var(--loong-blue);
    background: #f2f7fa;
    font-size: 24px;
  }

  .loong-flow__item h3 {
    margin: 0 0 12px;
    color: var(--loong-ink);
    font-size: 21px;
    letter-spacing: 0;
  }

  .loong-flow__item p {
    color: var(--loong-muted);
    font-size: 13px;
    line-height: 1.7;
  }

  .loong-flow__arrow {
    position: absolute;
    top: 53px;
    right: -17px;
    z-index: 1;
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid #d5e0e6;
    border-radius: 50%;
    color: var(--loong-blue);
    background: #fff;
  }

  .loong-flow__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 28px 34px;
    color: #fff;
    background: var(--loong-navy);
  }

  .loong-flow__cta strong,
  .loong-flow__cta span {
    display: block;
  }

  .loong-flow__cta strong {
    font-size: 19px;
  }

  .loong-flow__cta span {
    margin-top: 4px;
    color: #aebfca;
    font-size: 13px;
  }

  body.home .cs-section {
    padding-top: 82px !important;
    padding-bottom: 82px !important;
    background: #fff !important;
  }

  body.home .cs-eyebrow {
    color: var(--loong-blue) !important;
  }

  body.home .cs-card {
    border-color: var(--loong-line) !important;
    border-radius: 5px !important;
  }

  body.home .cs-card::before {
    background: var(--loong-blue) !important;
  }

  body.home .cs-contact a {
    color: var(--loong-blue) !important;
  }

  @media screen and (max-width: 1280px) {
    .loong-shell {
      width: min(calc(100% - 48px), 1180px);
    }

    .loong-hero h1 {
      font-size: 54px;
    }

    .loong-category-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .loong-global .loong-shell {
      gap: 36px;
    }

    .loong-use-card {
      height: 460px;
    }
  }

  @media screen and (max-width: 1024px) {
    .loong-hero h1 {
      font-size: 48px;
    }

    .loong-hero__content {
      width: 72%;
    }

    .loong-product-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .loong-factory__feature {
      width: 100%;
      height: clamp(340px, 40vw, 400px);
    }

    .loong-factory__media {
      display: block;
      width: min(100%, 900px);
      height: auto;
    }

    .loong-factory__gallery {
      width: min(100%, 820px);
      height: auto;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      grid-template-rows: none;
      gap: 20px;
      margin: 24px auto 0;
    }

    .loong-factory__gallery figure {
      aspect-ratio: 4 / 3;
    }

    .loong-global .loong-shell {
      grid-template-columns: 1fr;
    }
  }
}

@media screen and (max-width: 768px) {
  .loong-home {
    display: none !important;
  }
}