@media screen and (min-width: 769px) {
  .loong-home,
  .loong-home * {
    box-sizing: border-box;
  }

  .loong-home {
    --lh-ink: #15171a;
    --lh-charcoal: #23272b;
    --lh-steel: #6d737a;
    --lh-silver: #c9cdd1;
    --lh-line: #dfe2e5;
    --lh-paper: #f4f5f6;
    --lh-white: #ffffff;
    --lh-red: #c5242d;
    display: block;
    overflow: hidden;
    color: var(--lh-ink);
    background: var(--lh-white);
  }

  .loong-home img {
    display: block;
    width: 100%;
    max-width: none;
  }

  .loong-home a {
    color: inherit;
    text-decoration: none;
  }

  .loong-home h1,
  .loong-home h2,
  .loong-home h3,
  .loong-home p {
    margin: 0;
    letter-spacing: 0;
  }

  .loong-shell {
    width: min(1500px, calc(100% - 80px));
    margin: 0 auto;
  }

  .loong-section {
    padding: 84px 0;
  }

  .loong-kicker {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px !important;
    color: var(--lh-red);
    font-size: 13px;
    line-height: 1.2;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-kicker::before {
    content: '';
    width: 34px;
    height: 3px;
    flex: 0 0 34px;
    background: currentColor;
  }

  .loong-kicker--light {
    color: #ff4b54;
  }

  .loong-heading h2 {
    max-width: 900px;
    color: var(--lh-ink);
    font-size: 48px;
    line-height: 1.08;
    font-weight: 700;
  }

  .loong-heading--split {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    align-items: end;
    gap: 80px;
    margin-bottom: 38px;
  }

  .loong-heading--split > p {
    padding-bottom: 4px;
    color: #646a71;
    font-size: 16px;
    line-height: 1.75;
  }

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

  .loong-heading--center {
    max-width: 790px;
    margin: 0 auto 48px;
    text-align: center;
  }

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

  .loong-heading--center h2 {
    margin: 0 auto 18px;
  }

  .loong-heading--center > p:last-child {
    max-width: 680px;
    margin: 0 auto;
    color: #646a71;
    font-size: 16px;
    line-height: 1.7;
  }

  .loong-button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1;
    font-weight: 700;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  }

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

  .loong-button--primary {
    color: #ffffff !important;
    background: var(--lh-red);
    border-color: var(--lh-red);
  }

  .loong-button--primary:hover {
    background: #a91a22;
    border-color: #a91a22;
  }

  .loong-button--ghost {
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.55);
    background: rgba(11, 13, 15, 0.32);
    backdrop-filter: blur(8px);
  }

  .loong-button--ghost:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
  }

  .loong-hero {
    position: relative;
    min-height: max(760px, 100svh);
    isolation: isolate;
    overflow: hidden;
    color: #ffffff;
    background: #101214;
  }

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

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

  .loong-hero__shade {
    z-index: -2;
    background:
      linear-gradient(90deg, rgba(4, 5, 6, 0.9) 0%, rgba(4, 5, 6, 0.7) 34%, rgba(4, 5, 6, 0.18) 70%, rgba(4, 5, 6, 0.08) 100%),
      linear-gradient(180deg, rgba(4, 5, 6, 0.38) 0%, rgba(4, 5, 6, 0) 46%, rgba(4, 5, 6, 0.52) 100%);
  }

  .loong-hero__inner {
    min-height: max(760px, 100svh);
    display: flex;
    align-items: center;
    padding-top: 104px;
    padding-bottom: 100px;
  }

  .loong-hero__copy {
    width: min(720px, 62%);
  }

  .loong-hero h1 {
    max-width: 720px;
    color: #ffffff;
    font-size: 72px;
    line-height: 1.02;
    font-weight: 750;
    text-shadow: 0 2px 22px rgba(0, 0, 0, 0.2);
  }

  .loong-hero__summary {
    max-width: 620px;
    margin-top: 26px !important;
    color: rgba(255, 255, 255, 0.82);
    font-size: 19px;
    line-height: 1.68;
  }

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

  .loong-hero__rail {
    position: absolute;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(3, auto);
    background: rgba(10, 12, 14, 0.86);
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(14px);
  }

  .loong-hero__rail span {
    display: flex;
    min-height: 68px;
    align-items: center;
    gap: 10px;
    padding: 0 25px;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.86);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-hero__rail span:last-child {
    padding-right: 82px;
  }

  .loong-hero__rail i {
    color: #ff4b54;
    font-size: 20px;
  }

  .loong-hero__scroll {
    position: absolute;
    left: 28px;
    bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.72) !important;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(-90deg) translateY(100%);
    transform-origin: left bottom;
  }

  .loong-categories {
    background: #ffffff;
  }

  .loong-capability-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 24px;
    border-top: 1px solid var(--lh-line);
    border-bottom: 1px solid var(--lh-line);
  }

  .loong-capability-strip > div {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    border-right: 1px solid var(--lh-line);
  }

  .loong-capability-strip > div:last-child {
    border-right: 0;
  }

  .loong-capability-strip i {
    flex: 0 0 auto;
    color: var(--lh-red);
    font-size: 28px;
  }

  .loong-capability-strip span {
    color: #777d83;
    font-size: 12px;
    line-height: 1.45;
  }

  .loong-capability-strip strong {
    display: block;
    margin-bottom: 2px;
    color: var(--lh-ink);
    font-size: 15px;
    line-height: 1.35;
  }

  .loong-category-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 4px;
    background: #ffffff;
  }

  .loong-category {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #1a1d20;
  }

  .loong-category img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease, filter 0.45s ease;
  }

  .loong-category__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 8, 10, 0.03) 25%, rgba(7, 8, 10, 0.88) 100%);
    transition: background 0.35s ease;
  }

  .loong-category__content {
    position: absolute;
    right: 18px;
    bottom: 16px;
    left: 18px;
    color: #ffffff;
  }

  .loong-category__title {
    display: -webkit-box;
    min-height: 42px;
    overflow: hidden;
    font-size: 17px;
    line-height: 1.24;
    font-weight: 700;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .loong-category__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 11px;
    line-height: 1;
    text-transform: uppercase;
  }

  .loong-category:hover img {
    transform: scale(1.045);
    filter: saturate(1.08);
  }

  .loong-category:hover .loong-category__shade {
    background: linear-gradient(180deg, rgba(7, 8, 10, 0.06) 10%, rgba(116, 12, 19, 0.9) 100%);
  }

  .loong-manufacturing {
    color: #ffffff;
    background: #17191c;
  }

  .loong-manufacturing__intro {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    gap: 90px;
    align-items: end;
    margin-bottom: 40px;
  }

  .loong-manufacturing__copy > p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 16px;
    line-height: 1.75;
  }

  .loong-manufacturing__points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 24px;
  }

  .loong-manufacturing__points span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 13px;
    font-weight: 600;
  }

  .loong-manufacturing__points i {
    color: #ff4b54;
    font-size: 18px;
  }

  .loong-factory-grid {
    display: grid;
    grid-template-columns: 1.36fr 0.82fr 0.82fr;
    grid-template-rows: repeat(3, 190px);
    gap: 6px;
  }

  .loong-factory-image {
    position: relative;
    min-width: 0;
    overflow: hidden;
    background: #262a2f;
  }

  .loong-factory-image--1 {
    grid-row: 1 / 4;
  }

  .loong-factory-image--6 {
    grid-column: 2 / 4;
  }

  .loong-factory-image img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .loong-factory-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 48%, rgba(6, 7, 8, 0.78) 100%);
    pointer-events: none;
  }

  .loong-factory-image figcaption {
    position: absolute;
    right: 16px;
    bottom: 14px;
    left: 16px;
    z-index: 1;
    color: #ffffff;
    font-size: 13px;
    line-height: 1.3;
    font-weight: 650;
  }

  .loong-factory-image:hover img {
    transform: scale(1.035);
  }

  .loong-manufacturing__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-top: 22px;
    color: rgba(255, 255, 255, 0.54);
    font-size: 12px;
    line-height: 1.5;
  }

  .loong-manufacturing__footer a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
  }

  .loong-manufacturing__footer a:hover {
    color: #ff4b54;
  }

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

  .loong-text-link {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--lh-red);
    color: var(--lh-ink);
    font-size: 13px;
    font-weight: 700;
  }

  .loong-product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .loong-product {
    min-width: 0;
    background: #ffffff;
    border: 1px solid #e1e4e7;
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .loong-product:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 42px rgba(16, 18, 20, 0.11);
  }

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

  .loong-product__image img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
  }

  .loong-product__image > span {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 11px;
    border-radius: 3px;
    color: #ffffff;
    background: rgba(12, 14, 16, 0.85);
    font-size: 11px;
    font-weight: 700;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .loong-product:hover .loong-product__image img {
    transform: scale(1.04);
  }

  .loong-product:hover .loong-product__image > span {
    opacity: 1;
    transform: translateY(0);
  }

  .loong-product__body {
    min-height: 120px;
    padding: 20px 20px 22px;
  }

  .loong-product__body > p {
    margin-bottom: 8px !important;
    color: var(--lh-red);
    font-size: 11px;
    line-height: 1.3;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-product__body h3 {
    display: -webkit-box;
    overflow: hidden;
    color: var(--lh-ink);
    font-size: 17px;
    line-height: 1.38;
    font-weight: 700;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .loong-product__body h3 a:hover {
    color: var(--lh-red);
  }

  .loong-empty {
    padding: 30px;
    border: 1px solid var(--lh-line);
    color: var(--lh-steel);
    background: #ffffff;
  }

  .loong-applications {
    color: #ffffff;
    background: #101214;
  }

  .loong-application-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .loong-application {
    position: relative;
    min-height: 460px;
    overflow: hidden;
    background: #24282c;
  }

  .loong-application img,
  .loong-application__shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .loong-application img {
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .loong-application__shade {
    background: linear-gradient(180deg, rgba(6, 7, 8, 0.03) 35%, rgba(6, 7, 8, 0.92) 100%);
  }

  .loong-application__body {
    position: absolute;
    right: 28px;
    bottom: 28px;
    left: 28px;
    z-index: 1;
  }

  .loong-application__body p {
    margin-bottom: 8px !important;
    color: #ff4b54;
    font-size: 11px;
    line-height: 1.2;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-application__body h3 {
    max-width: 400px;
    color: #ffffff;
    font-size: 22px;
    line-height: 1.3;
    font-weight: 700;
  }

  .loong-application:hover img {
    transform: scale(1.035);
  }

  .loong-spec-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .loong-spec-strip span {
    display: flex;
    min-height: 74px;
    align-items: center;
    justify-content: center;
    gap: 11px;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.84);
    font-size: 13px;
    font-weight: 700;
  }

  .loong-spec-strip span:last-child {
    border-right: 0;
  }

  .loong-spec-strip i {
    color: #ff4b54;
    font-size: 21px;
  }

  .loong-process {
    background: #ffffff;
  }

  .loong-process-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--lh-line);
    border-bottom: 1px solid var(--lh-line);
  }

  .loong-process-grid::before {
    content: '';
    position: absolute;
    top: 48px;
    right: 8%;
    left: 8%;
    height: 1px;
    background: #cfd3d7;
  }

  .loong-process-step {
    position: relative;
    min-width: 0;
    min-height: 270px;
    padding: 28px 22px 30px;
    border-right: 1px solid var(--lh-line);
    background: #ffffff;
  }

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

  .loong-process-step__icon {
    position: relative;
    z-index: 1;
    display: flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    margin-bottom: 38px;
    border: 1px solid #cfd3d7;
    border-radius: 50%;
    color: var(--lh-ink);
    background: #ffffff;
    font-size: 20px;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  }

  .loong-process-step__number {
    position: absolute;
    top: 34px;
    right: 20px;
    color: #9ca1a6;
    font-size: 11px;
    line-height: 1;
    font-weight: 700;
  }

  .loong-process-step h3 {
    min-height: 48px;
    margin-bottom: 10px;
    color: var(--lh-ink);
    font-size: 17px;
    line-height: 1.35;
    font-weight: 700;
  }

  .loong-process-step p {
    color: #747a80;
    font-size: 13px;
    line-height: 1.65;
  }

  .loong-process-step:hover .loong-process-step__icon {
    color: #ffffff;
    border-color: var(--lh-red);
    background: var(--lh-red);
  }

  .loong-process__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-top: 32px;
    padding: 30px 34px;
    color: #ffffff;
    background: linear-gradient(100deg, #17191c 0%, #24282d 70%, #3b1115 100%);
    border-left: 4px solid var(--lh-red);
  }

  .loong-process__cta .loong-kicker {
    margin-bottom: 8px !important;
  }

  .loong-process__cta h3 {
    color: #ffffff;
    font-size: 26px;
    line-height: 1.25;
  }

  .loong-home ~ .cs-section {
    padding-top: 82px;
    padding-bottom: 90px;
    background: var(--lh-paper);
  }

  .loong-home ~ .cs-section .cs-eyebrow,
  .loong-home ~ .cs-section .cs-mobile-hint {
    color: var(--lh-red);
  }

  .loong-home ~ .cs-section .cs-title {
    color: var(--lh-ink);
    letter-spacing: 0;
  }

  .loong-home ~ .cs-section .cs-card {
    border-radius: 6px;
    border-color: #dfe2e5;
  }

  .loong-home ~ .cs-section .cs-card::before {
    background: var(--lh-red);
  }

  .loong-home ~ .cs-section .cs-quick-email:hover {
    background: var(--lh-ink);
  }

  .loong-home ~ #online_qq_layer {
    right: 0;
  }

  @media screen and (max-width: 1280px) {
    .loong-shell {
      width: min(100% - 52px, 1180px);
    }

    .loong-heading h2 {
      font-size: 42px;
    }

    .loong-hero h1 {
      font-size: 60px;
    }

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

    .loong-product-grid {
      gap: 14px;
    }

    .loong-factory-grid {
      grid-template-rows: repeat(3, 165px);
    }

    .loong-application {
      min-height: 400px;
    }

    .loong-process-step {
      min-height: 290px;
      padding-right: 16px;
      padding-left: 16px;
    }
  }

  @media screen and (max-width: 1024px) {
    .loong-shell {
      width: calc(100% - 40px);
    }

    .loong-section {
      padding: 68px 0;
    }

    .loong-heading--split,
    .loong-manufacturing__intro {
      gap: 46px;
    }

    .loong-hero__copy {
      width: 70%;
    }

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

    .loong-hero__rail span {
      padding: 0 16px;
    }

    .loong-capability-strip > div {
      padding-right: 16px;
      padding-left: 16px;
    }

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

    .loong-factory-grid {
      grid-template-rows: repeat(3, 145px);
    }

    .loong-application {
      min-height: 340px;
    }

    .loong-application__body {
      right: 18px;
      bottom: 20px;
      left: 18px;
    }

    .loong-application__body h3 {
      font-size: 18px;
    }

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

    .loong-process-grid::before {
      display: none;
    }

    .loong-process-step {
      min-height: 230px;
      border-bottom: 1px solid var(--lh-line);
    }

    .loong-process-step:nth-child(3n) {
      border-right: 0;
    }

    .loong-process-step:nth-last-child(-n + 3) {
      border-bottom: 0;
    }
  }
}