@media (min-width: 701px) {
  .loong-home-pc,
  .loong-home-pc *,
  .loong-home-active #kf,
  .loong-home-active #kf * {
    box-sizing: border-box;
  }

  .loong-home-pc {
    --loong-orange: #ff4b00;
    --loong-orange-bright: #ff6a19;
    --loong-ink: #111214;
    --loong-graphite: #24272b;
    --loong-steel: #697079;
    --loong-line: #dde0e3;
    --loong-paper: #f4f5f6;
    --loong-white: #ffffff;
    width: 100%;
    overflow: hidden;
    color: var(--loong-ink);
    background: var(--loong-white);
    font-family: "Poppins", Arial, sans-serif;
  }

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

  .loong-home-pc img {
    display: block;
    max-width: 100%;
  }

  .loong-shell {
    width: min(calc(100% - 64px), 1500px);
    margin: 0 auto;
  }

  .loong-section {
    position: relative;
    padding: 88px 0;
  }

  .loong-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.65fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 38px;
  }

  .loong-section-head h2 {
    max-width: 850px;
    margin: 8px 0 0;
    font-size: 42px;
    line-height: 1.14;
    font-weight: 750;
    letter-spacing: 0;
    color: var(--loong-ink);
  }

  .loong-section-head > p {
    max-width: 520px;
    margin: 0;
    padding-left: 22px;
    border-left: 3px solid var(--loong-orange);
    color: #626971;
    font-size: 15px;
    line-height: 1.75;
  }

  .loong-section-head--light h2,
  .loong-section-head--light > p {
    color: #fff;
  }

  .loong-section-head--light > p {
    color: #c7cbd0;
  }

  .loong-kicker,
  .loong-eyebrow {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0;
    color: var(--loong-orange);
    font-size: 12px;
    line-height: 1.3;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
  }

  .loong-kicker i,
  .loong-eyebrow i {
    font-size: 18px;
  }

  .loong-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 174px;
    min-height: 52px;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  }

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

  .loong-btn--primary {
    color: #fff !important;
    background: var(--loong-orange);
    border-color: var(--loong-orange);
  }

  .loong-btn--primary:hover {
    background: var(--loong-orange-bright);
    border-color: var(--loong-orange-bright);
  }

  .loong-btn--ghost {
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.56);
    background: rgba(12, 13, 15, 0.24);
  }

  .loong-btn--ghost:hover {
    border-color: #fff;
    background: rgba(12, 13, 15, 0.6);
  }

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

  .loong-hero {
    position: relative;
    background: #101113;
  }

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

  .loong-hero__slide > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.025);
    transition: transform 7s ease;
  }

  .loong-hero__slide.swiper-slide-active > img {
    transform: scale(1);
  }

  .loong-hero__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7, 8, 10, 0.86) 0%, rgba(7, 8, 10, 0.56) 38%, rgba(7, 8, 10, 0.08) 72%);
  }

  .loong-hero__content {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -45%);
    color: #fff;
  }

  .loong-hero__content h1,
  .loong-hero__content h2 {
    max-width: 880px;
    margin: 18px 0 20px;
    color: #fff;
    font-size: 64px;
    line-height: 1.05;
    font-weight: 780;
    letter-spacing: 0;
  }

  .loong-hero__summary {
    max-width: 670px;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 17px;
    line-height: 1.75;
  }

  .loong-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
  }

  .loong-hero__pagination {
    position: absolute;
    left: 50%;
    bottom: 38px !important;
    z-index: 4;
    display: flex;
    width: min(calc(100% - 64px), 1500px) !important;
    gap: 8px;
    transform: translateX(-50%);
  }

  .loong-hero__pagination .swiper-pagination-bullet {
    width: 44px;
    height: 3px;
    margin: 0 !important;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.42);
    opacity: 1;
  }

  .loong-hero__pagination .swiper-pagination-bullet-active {
    background: var(--loong-orange);
  }

  .loong-hero__nav {
    position: absolute;
    right: 32px;
    z-index: 4;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: #fff;
    background: rgba(10, 11, 13, 0.32);
    font-size: 21px;
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease;
  }

  .loong-hero__nav:hover {
    background: var(--loong-orange);
    border-color: var(--loong-orange);
  }

  .loong-hero__prev {
    top: calc(50% - 52px);
  }

  .loong-hero__next {
    top: calc(50% + 8px);
  }

  .loong-hero__rail {
    position: absolute;
    right: 118px;
    bottom: 34px;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 10px;
    letter-spacing: 0;
  }

  .loong-hero__rail span {
    width: 62px;
    height: 1px;
    background: var(--loong-orange);
  }

  .loong-categories {
    background: #fff;
  }

  .loong-category-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .loong-category-card {
    position: relative;
    aspect-ratio: 1 / 1.08;
    min-width: 0;
    overflow: hidden;
    border-radius: 6px;
    background: #1d1f22;
    isolation: isolate;
  }

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

  .loong-category-card:hover > img {
    transform: scale(1.06);
  }

  .loong-category-card__shade {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(8, 9, 11, 0.02) 34%, rgba(8, 9, 11, 0.9) 100%);
  }

  .loong-category-card__icon {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 4px;
    color: #fff;
    background: rgba(15, 16, 18, 0.58);
    font-size: 19px;
  }

  .loong-category-card__name {
    position: absolute;
    right: 44px;
    bottom: 16px;
    left: 16px;
    z-index: 2;
    color: #fff;
    font-size: 15px;
    line-height: 1.3;
    font-weight: 700;
  }

  .loong-category-card__arrow {
    position: absolute;
    right: 15px;
    bottom: 15px;
    z-index: 2;
    color: var(--loong-orange);
    font-size: 21px;
  }

  .loong-category-card--all {
    border: 1px solid #30343a;
    background: #17191c;
  }

  .loong-category-card--all::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 42%;
    height: 5px;
    background: var(--loong-orange);
  }

  .loong-category-card__all-mark {
    position: absolute;
    top: 24px;
    left: 20px;
    color: var(--loong-orange);
    font-size: 42px;
  }

  .loong-category-card--all .loong-category-card__name {
    bottom: 52px;
  }

  .loong-category-card__count {
    position: absolute;
    bottom: 23px;
    left: 16px;
    z-index: 2;
    color: #9298a0;
    font-size: 11px;
  }

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

  .loong-manufacturing::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 28%;
    height: 4px;
    background: var(--loong-orange);
  }

  .loong-factory-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: 190px;
    gap: 10px;
  }

  .loong-factory-card {
    position: relative;
    grid-column: span 3;
    min-width: 0;
    min-height: 0;
    margin: 0;
    overflow: hidden;
    border-radius: 4px;
    background: #292c30;
  }

  .loong-factory-card--campus {
    grid-column: span 7;
    grid-row: span 2;
  }

  .loong-factory-card--assembly {
    grid-column: span 5;
    grid-row: span 2;
  }

  .loong-factory-card > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
  }

  .loong-factory-card:hover > img {
    transform: scale(1.035);
    filter: brightness(0.8);
  }

  .loong-factory-card figcaption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 32px 16px 14px;
    color: #fff;
    background: linear-gradient(0deg, rgba(7, 8, 10, 0.92), rgba(7, 8, 10, 0));
  }

  .loong-factory-card figcaption > i {
    color: var(--loong-orange);
    font-size: 22px;
  }

  .loong-factory-card figcaption span {
    color: #b8bdc3;
    font-size: 10px;
    line-height: 1.4;
  }

  .loong-factory-card figcaption b {
    display: block;
    margin-bottom: 2px;
    color: #fff;
    font-size: 13px;
  }

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

  .loong-text-link {
    display: inline-flex;
    align-items: center;
    justify-self: end;
    gap: 8px;
    color: var(--loong-ink);
    font-size: 14px;
    font-weight: 700;
    border-bottom: 2px solid var(--loong-orange);
    padding-bottom: 5px;
  }

  .loong-product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .loong-product-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid #e0e2e5;
    border-radius: 6px;
    background: #fff;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .loong-product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 75, 0, 0.45);
    box-shadow: 0 18px 38px rgba(21, 24, 29, 0.1);
  }

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

  .loong-product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: transform 0.42s ease;
  }

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

  .loong-product-card__image > span {
    position: absolute;
    top: 12px;
    left: 12px;
    max-width: calc(100% - 24px);
    padding: 6px 9px;
    overflow: hidden;
    border-radius: 3px;
    color: #fff;
    background: #1b1d20;
    font-size: 9px;
    line-height: 1.2;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .loong-product-card__body {
    padding: 18px;
    border-top: 1px solid #e8eaec;
  }

  .loong-product-card__body h3 {
    height: 46px;
    margin: 0 0 18px;
    overflow: hidden;
    color: #1b1d20;
    font-size: 14px;
    line-height: 1.62;
    font-weight: 700;
  }

  .loong-product-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #eceef0;
    color: #777e87;
    font-size: 11px;
  }

  .loong-product-card__meta > span {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .loong-product-card__meta > span i {
    color: var(--loong-orange);
  }

  .loong-product-card__meta > a {
    display: grid;
    width: 31px;
    height: 31px;
    place-items: center;
    border-radius: 3px;
    color: #fff;
    background: var(--loong-ink);
    font-size: 16px;
  }

  .loong-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 40px;
    border: 1px solid var(--loong-line);
    text-align: center;
  }

  .loong-applications {
    background: #22252a;
  }

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

  .loong-application-card {
    position: relative;
    aspect-ratio: 1.15 / 1;
    min-width: 0;
    overflow: hidden;
    border-radius: 6px;
    background: #131518;
  }

  .loong-application-card > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
  }

  .loong-application-card:hover > img {
    transform: scale(1.04);
  }

  .loong-application-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 8, 10, 0.02) 28%, rgba(7, 8, 10, 0.93) 100%);
  }

  .loong-application-card__content {
    position: absolute;
    right: 24px;
    bottom: 22px;
    left: 24px;
    z-index: 2;
    color: #fff;
  }

  .loong-application-card__content p {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 9px;
    color: var(--loong-orange-bright);
    font-size: 11px;
    line-height: 1.3;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-application-card__content h3 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 22px;
    line-height: 1.25;
  }

  .loong-application-card__content span {
    display: block;
    color: #c7cbd0;
    font-size: 12px;
    line-height: 1.6;
  }

  .loong-custom-band {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    margin-top: 12px;
    padding: 22px 24px;
    border-left: 4px solid var(--loong-orange);
    border-radius: 4px;
    background: #131518;
  }

  .loong-custom-band > img {
    width: 58px;
    height: 58px;
    object-fit: contain;
  }

  .loong-custom-band p {
    margin: 0 0 5px;
    color: var(--loong-orange-bright);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
  }

  .loong-custom-band h3 {
    margin: 0;
    color: #fff;
    font-size: 22px;
    line-height: 1.3;
  }

  .loong-process {
    background: #fff;
  }

  .loong-process-list {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .loong-process-list::before {
    content: "";
    position: absolute;
    top: 30px;
    right: 7%;
    left: 7%;
    height: 1px;
    background: #cfd3d7;
  }

  .loong-process-item {
    position: relative;
    min-width: 0;
    margin: 0;
    padding: 0 8px;
    text-align: center;
  }

  .loong-process-item > span {
    position: relative;
    z-index: 2;
    display: grid;
    width: 61px;
    height: 61px;
    margin: 0 auto 18px;
    place-items: center;
    border: 1px solid #d5d8dc;
    border-radius: 50%;
    color: var(--loong-orange);
    background: #fff;
    font-size: 24px;
    box-shadow: 0 0 0 7px #fff;
  }

  .loong-process-item:hover > span {
    color: #fff;
    border-color: var(--loong-orange);
    background: var(--loong-orange);
  }

  .loong-process-item h3 {
    margin: 0 0 8px;
    color: var(--loong-ink);
    font-size: 14px;
    line-height: 1.4;
  }

  .loong-process-item p {
    margin: 0;
    color: #747b83;
    font-size: 11px;
    line-height: 1.6;
  }

  .loong-home-active #kf.cs-section {
    padding: 84px 32px 92px;
    background: var(--loong-paper, #f4f5f6);
  }

  .loong-home-active #kf .cs-eyebrow {
    color: #ff4b00;
    letter-spacing: 0;
  }

  .loong-home-active #kf .cs-title {
    color: #111214;
    letter-spacing: 0;
  }

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

  .loong-home-active #kf .cs-card::before {
    background: #ff4b00;
  }

  .loong-home-active #kf .cs-card:hover {
    border-color: rgba(255, 75, 0, 0.45);
  }

  .loong-home-active #kf .cs-status {
    border-radius: 4px;
  }

  .loong-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.58s ease, transform 0.58s ease;
  }

  .loong-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 701px) and (max-width: 1250px) {
  .loong-shell {
    width: min(calc(100% - 44px), 1160px);
  }

  .loong-section {
    padding: 72px 0;
  }

  .loong-section-head {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 36px;
  }

  .loong-section-head h2 {
    font-size: 34px;
  }

  .loong-hero__content h1,
  .loong-hero__content h2 {
    font-size: 48px;
  }

  .loong-hero__rail {
    display: none;
  }

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

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

  .loong-factory-grid {
    grid-auto-rows: 165px;
  }

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

  .loong-process-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 34px;
  }

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

@media (prefers-reduced-motion: reduce) and (min-width: 701px) {
  .loong-home-pc *,
  .loong-home-pc *::before,
  .loong-home-pc *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}