.yx-dsp-page,
  .yx-dsp-page * {
    box-sizing: border-box;
  }

  .yx-dsp-page {
    --yx-ink: #212121;
    --yx-muted: #707070;
    --yx-line: #deddd8;
    --yx-paper: #f3f2ee;
    --yx-soft: #f8f7f4;
    --yx-white: #ffffff;
    --yx-red: #da251d;
    width: 100%;
    overflow: hidden;
    background: var(--yx-white);
    color: var(--yx-ink);
    font-family: "Poppins", Arial, Helvetica, sans-serif;
  }

  .yx-dsp-page img {
    display: block;
    max-width: 100%;
  }

  .yx-dsp-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
  }

  .yx-dsp-section {
    padding: 110px 24px;
  }

  .yx-dsp-section-label {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 26px;
  }

  .yx-dsp-section-label span {
    color: var(--yx-red);
    font-size: 11px;
    font-weight: 700;
  }

  .yx-dsp-section-label p {
    margin: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .yx-dsp-section-title {
    margin: 0;
    font-size: clamp(34px, 3.8vw, 52px);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -1.5px;
  }

  .yx-dsp-section-text {
    margin: 25px 0 0;
    color: var(--yx-muted);
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== HERO ===== */
  .yx-dsp-hero {
    min-height: 700px;
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    background: var(--yx-paper);
  }

  .yx-dsp-hero-copy {
    padding: 100px clamp(35px, 6vw, 100px);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-dsp-eyebrow {
    margin: 0 0 25px;
    color: var(--yx-red);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  .yx-dsp-hero h1 {
    margin: 0;
    font-size: clamp(48px, 5vw, 76px);
    font-weight: 600;
    line-height: 0.96;
    letter-spacing: -3px;
  }

  .yx-dsp-hero-description {
    max-width: 560px;
    margin: 35px 0 0;
    color: #5e5e5e;
    font-size: 16px;
    line-height: 1.8;
  }

  .yx-dsp-hero-meta {
    margin-top: 48px;
    padding-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px 25px;
    border-top: 1px solid #cbc9c2;
  }

  .yx-dsp-hero-meta span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
  }

  .yx-dsp-hero-image {
    min-height: 700px;
    margin: 0;
    padding: 25px;
    background: #d9d7d0;
  }

  .yx-dsp-hero-image img {
    width: 100%;
    height: 100%;
    min-height: 650px;
    object-fit: cover;
  }

  /* ===== HIGHLIGHTS ===== */
  .yx-dsp-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-dsp-highlight {
    min-height: 140px;
    padding: 35px clamp(25px, 4vw, 60px);
    display: flex;
    align-items: flex-start;
    gap: 28px;
    border-right: 1px solid var(--yx-line);
  }

  .yx-dsp-highlight:last-child {
    border-right: 0;
  }

  .yx-dsp-highlight span {
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
  }

  .yx-dsp-highlight h2 {
    max-width: 220px;
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.7px;
  }

  /* ===== 01 OVERVIEW ===== */
  .yx-dsp-overview-heading {
    margin-bottom: 55px;
  }

  .yx-dsp-overview-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    background: var(--yx-paper);
  }

  .yx-dsp-overview-image {
    min-height: 620px;
    margin: 0;
    overflow: hidden;
  }

  .yx-dsp-overview-image img {
    width: 100%;
    height: 100%;
    min-height: 620px;
    object-fit: cover;
  }

  .yx-dsp-overview-copy {
    padding: clamp(45px, 5vw, 75px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 55px;
  }

  .yx-dsp-overview-copy > p {
    margin: 0;
    color: #555555;
    font-size: 15px;
    line-height: 1.9;
  }

  .yx-dsp-spec-list {
    margin: 0;
    border-top: 1px solid #cbc9c2;
  }

  .yx-dsp-spec-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid #cbc9c2;
  }

  .yx-dsp-spec-row dt {
    color: var(--yx-muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.4px;
  }

  .yx-dsp-spec-row dd {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
  }

  /* ===== 02 STRUCTURAL DESIGN ===== */
  .yx-dsp-structural {
    background: #171717;
    color: var(--yx-white);
  }

  .yx-dsp-structural-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 70px;
  }

  .yx-dsp-structural-heading .yx-dsp-section-text {
    max-width: 620px;
    color: #aaaaaa;
  }

  .yx-dsp-drawing-stage {
    min-height: 720px;
    display: grid;
    grid-template-columns: 1fr 270px;
    background: #f4f3ef;
    color: var(--yx-ink);
  }

  .yx-dsp-drawing-image {
    min-height: 720px;
    margin: 0;
    padding: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .yx-dsp-drawing-image img {
    width: 100%;
    height: 100%;
    max-height: 650px;
    object-fit: contain;
  }

  .yx-dsp-drawing-notes {
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    border-left: 1px solid #cdccc6;
  }

  .yx-dsp-drawing-notes span {
    padding: 23px;
    display: flex;
    align-items: flex-end;
    border-bottom: 1px solid #cdccc6;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .yx-dsp-drawing-notes span:last-child {
    border-bottom: 0;
  }

  /* ===== 03 CONFIGURATION ===== */
  .yx-dsp-configuration {
    background: var(--yx-paper);
  }

  .yx-dsp-configuration-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 70px;
  }

  .yx-dsp-configuration-heading .yx-dsp-section-text {
    max-width: 620px;
  }

  .yx-dsp-config-showcase {
    display: grid;
    gap: 22px;
  }

  .yx-dsp-config-feature {
    overflow: hidden;
    border: 1px solid var(--yx-line);
    background: var(--yx-white);
  }

  .yx-dsp-config-wide {
    min-height: 420px;
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .yx-dsp-config-reverse {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .yx-dsp-config-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .yx-dsp-config-stacked {
    display: flex;
    flex-direction: column;
  }

  .yx-dsp-config-copy {
    padding: 42px 38px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-dsp-config-stacked .yx-dsp-config-copy {
    min-height: 195px;
    justify-content: flex-start;
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-dsp-config-index {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
  }

  .yx-dsp-config-index::after {
    content: "";
    width: 35px;
    height: 1px;
    background: var(--yx-red);
  }

  .yx-dsp-config-copy h3 {
    margin: 25px 0 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 1px;
  }

  .yx-dsp-config-copy p {
    margin: 16px 0 0;
    color: #666666;
    font-size: 13px;
    line-height: 1.75;
  }

  .yx-dsp-config-image {
    min-height: 590px;
    margin: 0;
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--yx-soft);
  }

  .yx-dsp-config-image img {
    width: 100%;
    height: 100%;
    max-height: 540px;
    object-fit: contain;
  }

  .yx-dsp-config-wide .yx-dsp-config-image {
    min-height: 420px;
    border-left: 1px solid var(--yx-line);
  }

  .yx-dsp-config-wide .yx-dsp-config-image img {
    max-height: 375px;
  }

  .yx-dsp-config-reverse .yx-dsp-config-image {
    border-right: 1px solid var(--yx-line);
    border-left: 0;
  }

  .yx-dsp-config-note {
    margin: 22px 0 0;
    color: #777777;
    font-size: 10px;
    letter-spacing: 0.7px;
  }

  /* ===== 04 CONNECTION DETAILS ===== */
  .yx-dsp-detail-heading {
    margin-bottom: 55px;
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 30px 70px;
  }

  .yx-dsp-detail-heading .yx-dsp-section-title {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .yx-dsp-detail-heading .yx-dsp-section-text {
    max-width: 390px;
    margin-top: 0;
  }

  .yx-dsp-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .yx-dsp-detail-card {
    overflow: hidden;
    border: 1px solid var(--yx-line);
    background: var(--yx-white);
  }

  .yx-dsp-detail-image {
    height: 480px;
    margin: 0;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--yx-line);
    background: var(--yx-soft);
  }

  .yx-dsp-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .yx-dsp-detail-copy {
    padding: 24px 27px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 25px;
  }

  .yx-dsp-detail-copy h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .yx-dsp-detail-copy p {
    max-width: 260px;
    margin: 0;
    color: #777777;
    font-size: 12px;
    line-height: 1.6;
    text-align: right;
  }


  /* ===== 05 REAL CONNECTION DETAILS / REFINED ===== */
  .yx-mss-conn-section{
    background:#fff;
  }

  .yx-mss-conn-head{
    display:grid;
    grid-template-columns:.68fr 1.32fr;
    gap:40px 80px;
    align-items:start;
    margin-bottom:52px;
  }

  .yx-mss-conn-head-left .yx-dsp-section-text{
    margin-top:22px;
    max-width:430px;
  }

  .yx-mss-conn-head .yx-dsp-section-title{
    font-size:clamp(34px,3.9vw,54px);
  }

  .yx-mss-conn-feature{
    display:grid;
    grid-template-columns:1.18fr .82fr;
    min-height:520px;
    border:1px solid var(--yx-line);
    background:var(--yx-white);
    overflow:hidden;
  }

  .yx-mss-conn-feature figure{
    min-height:520px;
    margin:0;
    padding:24px;
    background:var(--yx-soft);
    display:flex;
    align-items:center;
    justify-content:center;
  }

  .yx-mss-conn-feature figure img{
    width:100%;
    height:100%;
    min-height:470px;
    object-fit:contain;
  }

  .yx-mss-conn-feature-copy{
    padding:48px 42px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    border-left:1px solid var(--yx-line);
  }

  .yx-mss-conn-index{
    color:var(--yx-red);
    font-size:9px;
    font-weight:700;
    letter-spacing:1.5px;
  }

  .yx-mss-conn-feature-copy h3{
    margin:14px 0 16px;
    font-size:25px;
    font-weight:600;
    line-height:1.22;
  }

  .yx-mss-conn-feature-copy p{
    margin:0;
    color:#6f6f6f;
    font-size:12px;
    line-height:1.8;
  }

  .yx-mss-conn-meta{
    margin-top:26px;
    border-top:1px solid var(--yx-line);
  }

  .yx-mss-conn-meta-row{
    display:grid;
    grid-template-columns:110px 1fr;
    gap:16px;
    padding:13px 0;
    border-bottom:1px solid var(--yx-line);
  }

  .yx-mss-conn-meta-row span:first-child{
    color:#8a8a8a;
    font-size:8px;
    font-weight:700;
    letter-spacing:1.1px;
  }

  .yx-mss-conn-meta-row span:last-child{
    font-size:10px;
    font-weight:600;
  }

  .yx-mss-conn-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin-top:18px;
  }

  .yx-mss-conn-card{
    overflow:hidden;
    border:1px solid var(--yx-line);
    background:var(--yx-white);
  }

  .yx-mss-conn-card figure{
    height:330px;
    margin:0;
    padding:18px;
    background:var(--yx-soft);
    display:flex;
    align-items:center;
    justify-content:center;
    border-bottom:1px solid var(--yx-line);
  }

  .yx-mss-conn-card figure img{
    width:100%;
    height:100%;
    object-fit:contain;
  }

  .yx-mss-conn-card-copy{
    padding:22px 22px 24px;
  }

  .yx-mss-conn-card-copy h3{
    margin:10px 0 8px;
    font-size:14px;
    line-height:1.35;
  }

  .yx-mss-conn-card-copy p{
    margin:0;
    color:#777;
    font-size:10px;
    line-height:1.7;
  }

  .yx-mss-conn-note{
    margin-top:18px;
    padding:16px 18px;
    background:#f7f6f3;
    border-left:3px solid var(--yx-red);
    color:#666;
    font-size:10px;
    line-height:1.7;
  }

  @media (max-width:980px){
    .yx-mss-conn-head,
    .yx-mss-conn-feature{
      grid-template-columns:1fr;
    }
    .yx-mss-conn-feature-copy{
      border-left:0;
      border-top:1px solid var(--yx-line);
    }
    .yx-mss-conn-grid{
      grid-template-columns:1fr;
    }
  }

  @media (max-width:600px){
    .yx-mss-conn-feature figure{
      min-height:360px;
      padding:14px;
    }
    .yx-mss-conn-feature figure img{
      min-height:330px;
    }
    .yx-mss-conn-feature-copy{
      padding:30px 22px;
    }
    .yx-mss-conn-card figure{
      height:260px;
    }
  }


  /* ===== 05 FABRICATION ===== */
  .yx-dsp-fabrication {
    background: #171717;
    color: var(--yx-white);
  }

  .yx-dsp-fabrication-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(50px, 7vw, 100px);
  }

  .yx-dsp-fabrication-image {
    min-height: 850px;
    margin: 0;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #3f3f3f;
    background: #292929;
  }

  .yx-dsp-fabrication-image img {
    width: 100%;
    height: 100%;
    max-height: 800px;
    object-fit: contain;
  }

  .yx-dsp-fabrication-content {
    align-self: center;
  }

  .yx-dsp-fabrication-content .yx-dsp-section-text {
    color: #aaaaaa;
  }

  .yx-dsp-process-list {
    margin-top: 45px;
    border-top: 1px solid #3b3b3b;
  }

  .yx-dsp-process-item {
    padding: 22px 0;
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 20px;
    border-bottom: 1px solid #3b3b3b;
  }

  .yx-dsp-process-item > span {
    color: var(--yx-red);
    font-size: 10px;
    font-weight: 700;
  }

  .yx-dsp-process-item h3 {
    margin: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
  }

  .yx-dsp-process-item p {
    margin: 8px 0 0;
    color: #888888;
    font-size: 12px;
    line-height: 1.6;
  }

  /* ===== CTA ===== */
  .yx-dsp-cta {
    min-height: 300px;
    padding: 65px clamp(25px, 7vw, 110px);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 65px;
    background: var(--yx-red);
    color: var(--yx-white);
  }

  .yx-dsp-cta span {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.8px;
  }

  .yx-dsp-cta h2 {
    margin: 18px 0 0;
    font-size: clamp(36px, 4.2vw, 60px);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -1.5px;
  }

  .yx-dsp-cta p {
    max-width: 520px;
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== TABLET ===== */
  @media (max-width: 980px) {
    .yx-dsp-typical-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .yx-dsp-more-railings { grid-template-columns:1fr; }
    .yx-dsp-materials-heading,
    .yx-dsp-project-head { grid-template-columns:1fr; }
    .yx-dsp-materials-heading .yx-dsp-section-title,
    .yx-dsp-project-head .yx-dsp-section-title { grid-column:auto; grid-row:auto; }
    .yx-dsp-project-main { grid-template-columns:1fr; }

    .yx-dsp-hero,
    .yx-dsp-overview-grid,
    .yx-dsp-structural-heading,
    .yx-dsp-configuration-heading,
    .yx-dsp-fabrication-grid,
    .yx-dsp-cta {
      grid-template-columns: 1fr;
    }

    .yx-dsp-hero-image,
    .yx-dsp-hero-image img {
      min-height: 540px;
    }

    .yx-dsp-highlights {
      grid-template-columns: 1fr;
    }

    .yx-dsp-highlight {
      min-height: 100px;
      border-right: 0;
      border-bottom: 1px solid var(--yx-line);
    }

    .yx-dsp-drawing-stage {
      grid-template-columns: 1fr;
    }

    .yx-dsp-drawing-notes {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: none;
      border-top: 1px solid #cdccc6;
      border-left: 0;
    }

    .yx-dsp-drawing-notes span {
      min-height: 100px;
    }

    .yx-dsp-config-wide,
    .yx-dsp-config-reverse {
      grid-template-columns: 1fr;
    }

    .yx-dsp-config-reverse .yx-dsp-config-copy {
      order: 1;
    }

    .yx-dsp-config-reverse .yx-dsp-config-image {
      order: 2;
    }

    .yx-dsp-config-wide .yx-dsp-config-image,
    .yx-dsp-config-reverse .yx-dsp-config-image {
      min-height: 380px;
      border: 0;
      border-top: 1px solid var(--yx-line);
    }

    .yx-dsp-config-pair,
    .yx-dsp-detail-grid {
      grid-template-columns: 1fr;
    }

    .yx-dsp-detail-heading {
      grid-template-columns: 1fr;
    }

    .yx-dsp-detail-heading .yx-dsp-section-title {
      grid-column: auto;
      grid-row: auto;
    }
  }

  /* ===== MOBILE ===== */
  @media (max-width: 600px) {
    .yx-dsp-typical-grid { grid-template-columns:1fr; }
    .yx-dsp-typical-card figure { height:210px; }
    .yx-dsp-more-railing { grid-template-columns:1fr; }
    .yx-dsp-more-railing figure { min-height:210px; }
    .yx-dsp-project-details { grid-template-columns:1fr; }
    .yx-dsp-project-details figure { height:240px; }

    .yx-dsp-section {
      padding: 70px 18px;
    }

    .yx-dsp-section-title {
      font-size: 27px;
      line-height: 1.12;
      letter-spacing: -0.6px;
    }

    .yx-dsp-hero-copy {
      padding: 70px 22px 55px;
    }

    .yx-dsp-hero h1 {
      font-size: 44px;
      letter-spacing: -2px;
    }

    .yx-dsp-hero-description {
      font-size: 14px;
    }

    .yx-dsp-hero-image {
      min-height: 390px;
      padding: 12px;
    }

    .yx-dsp-hero-image img {
      min-height: 365px;
    }

    .yx-dsp-overview-image,
    .yx-dsp-overview-image img {
      min-height: 380px;
    }

    .yx-dsp-overview-copy {
      padding: 32px 22px;
    }

    .yx-dsp-spec-row {
      grid-template-columns: 105px 1fr;
    }

    .yx-dsp-drawing-image {
      min-height: 430px;
      padding: 18px;
    }

    .yx-dsp-drawing-notes {
      grid-template-columns: 1fr;
    }

    .yx-dsp-drawing-notes span {
      min-height: 70px;
    }

    .yx-dsp-config-showcase,
    .yx-dsp-config-pair {
      gap: 14px;
    }

    .yx-dsp-config-copy,
    .yx-dsp-config-stacked .yx-dsp-config-copy {
      min-height: 0;
      padding: 28px 22px;
    }

    .yx-dsp-config-copy h3 {
      margin-top: 20px;
      font-size: 16px;
    }

    .yx-dsp-config-image,
    .yx-dsp-config-wide .yx-dsp-config-image {
      min-height: 310px;
      padding: 15px 10px;
    }

    .yx-dsp-config-image img,
    .yx-dsp-config-wide .yx-dsp-config-image img {
      max-height: 280px;
    }

    .yx-dsp-detail-image {
      height: 310px;
      padding: 14px;
    }

    .yx-dsp-detail-copy {
      flex-direction: column;
      gap: 10px;
      padding: 20px;
    }

    .yx-dsp-detail-copy p {
      max-width: none;
      text-align: left;
    }

    .yx-dsp-fabrication-image {
      min-height: 480px;
    }

    .yx-dsp-cta {
      min-height: 0;
      padding: 55px 22px;
      gap: 30px;
    }
  }


  /* ===== 03 SYSTEM CONFIGURATION — REFINED ===== */
  .yx-dsp-system { background: var(--yx-paper); }
  .yx-dsp-system-intro { margin-bottom: 52px; }
  .yx-dsp-system-intro .yx-dsp-section-text { max-width: 780px; }

  .yx-dsp-system-formula {
    display: grid;
    grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1.12fr;
    margin-top: 48px;
    border-top: 1px solid var(--yx-line);
    border-bottom: 1px solid var(--yx-line);
    background: var(--yx-white);
  }
  .yx-dsp-system-formula-card {
    min-height: 135px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .yx-dsp-system-formula-card small {
    color: #8a8a8a; font-size: 9px; font-weight: 700; letter-spacing: 1.4px;
  }
  .yx-dsp-system-formula-card strong {
    margin-top: 10px; font-size: 15px; line-height: 1.4; letter-spacing: .3px;
  }
  .yx-dsp-system-formula-card.is-result strong { color: var(--yx-red); }
  .yx-dsp-system-formula-op {
    display: flex; align-items: center; justify-content: center;
    color: #aaa; font-size: 26px;
  }

  .yx-dsp-system-step-head {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 35px;
    align-items: end;
    margin: 72px 0 32px;
  }
  .yx-dsp-system-step-no {
    color: var(--yx-red); font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
  }
  .yx-dsp-system-step-head h3 {
    margin: 0; font-size: 28px; font-weight: 600; line-height: 1.15;
  }
  .yx-dsp-system-step-head p {
    max-width: 760px; margin: 10px 0 0; color: #777; font-size: 13px; line-height: 1.75;
  }

  .yx-dsp-core-panel {
    display: grid; grid-template-columns: 1.45fr .55fr;
    background: #171717; color: var(--yx-white);
  }
  .yx-dsp-core-panel figure { margin: 0; min-height: 500px; background: #292929; }
  .yx-dsp-core-panel img { width:100%; height:100%; min-height:500px; object-fit:cover; }
  .yx-dsp-core-copy { padding: 48px; display:flex; flex-direction:column; justify-content:center; }
  .yx-dsp-core-copy small { color:var(--yx-red); font-size:9px; font-weight:700; letter-spacing:1.6px; }
  .yx-dsp-core-copy h4 { margin:18px 0; font-size:26px; line-height:1.15; }
  .yx-dsp-core-copy p { margin:0; color:#aaa; font-size:12px; line-height:1.8; }

  .yx-dsp-system-two { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
  .yx-dsp-system-three { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
  .yx-dsp-system-three .yx-dsp-system-card figure { height:330px; }
  .yx-dsp-system-three .yx-dsp-system-card-copy { padding:26px 24px; }
  .yx-dsp-system-three .yx-dsp-system-card h4 { font-size:18px; }
  .yx-dsp-system-three .yx-dsp-system-spec > div { grid-template-columns:105px 1fr; gap:12px; }
  .yx-dsp-system-card { overflow:hidden; border:1px solid var(--yx-line); background:var(--yx-white); }
  .yx-dsp-system-card figure { height:390px; margin:0; background:var(--yx-soft); border-bottom:1px solid var(--yx-line); }
  .yx-dsp-system-card figure img { width:100%; height:100%; object-fit:cover; }
  .yx-dsp-system-card-copy { padding:30px; }
  .yx-dsp-system-kicker { color:var(--yx-red); font-size:9px; font-weight:700; letter-spacing:1.5px; }
  .yx-dsp-system-card h4 { margin:12px 0 20px; font-size:20px; font-weight:600; }
  .yx-dsp-system-spec { margin:0; border-top:1px solid #e2e1dd; }
  .yx-dsp-system-spec > div { display:grid; grid-template-columns:130px 1fr; gap:15px; padding:13px 0; border-bottom:1px solid #e2e1dd; }
  .yx-dsp-system-spec dt { color:#8b8b8b; font-size:9px; font-weight:700; letter-spacing:1.1px; }
  .yx-dsp-system-spec dd { margin:0; font-size:11px; font-weight:600; line-height:1.55; }
  .yx-dsp-system-pills { display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; padding:14px; background:#f7f6f3; }
  .yx-dsp-system-pill { padding:7px 10px; border:1px solid #d8d7d2; background:white; font-size:9px; font-weight:700; letter-spacing:.7px; }

  .yx-dsp-system-matrix-wrap {
    width:100%;
    overflow-x:auto;
    border:1px solid var(--yx-line);
    background:var(--yx-white);
  }
  .yx-dsp-system-matrix {
    min-width:820px;
    display:grid;
    grid-template-columns:180px repeat(4,minmax(0,1fr));
    background:var(--yx-white);
  }
  .yx-dsp-system-matrix > div {
    min-height:82px; padding:20px 22px; display:flex; align-items:center;
    border-right:1px solid var(--yx-line); border-bottom:1px solid var(--yx-line);
  }
  .yx-dsp-system-matrix > div:nth-child(5n) { border-right:0; }
  .yx-dsp-system-matrix > div:nth-last-child(-n+5) { border-bottom:0; }
  .yx-dsp-system-matrix .head { background:#f4f3ef; font-size:9px; font-weight:700; letter-spacing:1px; }
  .yx-dsp-system-matrix .head.primary { background:#eeeae4; }
  .yx-dsp-system-matrix .head small {
    display:block;
    margin-top:5px;
    color:var(--yx-red);
    font-size:7px;
    letter-spacing:.8px;
  }
  .yx-dsp-system-matrix .row { font-size:11px; font-weight:700; }
  .yx-dsp-system-matrix .tick { justify-content:center; color:var(--yx-red); font-size:22px; font-weight:700; }
  .yx-dsp-system-step-note {
    margin-top: 16px;
    padding: 15px 18px;
    background: #f7f6f3;
    border-left: 3px solid var(--yx-red);
    color: #666;
    font-size: 10px;
    line-height: 1.75;
  }

  .yx-dsp-complete-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
  /* ===== COMPACT CONFIGURATION PREVIEW ===== */
  .yx-dsp-typical-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:16px;
  }
  .yx-dsp-typical-card {
    overflow:hidden;
    border:1px solid var(--yx-line);
    background:var(--yx-white);
  }
  .yx-dsp-typical-card figure {
    height:240px;
    margin:0;
    border-bottom:1px solid var(--yx-line);
    background:var(--yx-soft);
  }
  .yx-dsp-typical-card figure img {
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .yx-dsp-typical-copy {
    padding:17px 18px 19px;
  }
  .yx-dsp-typical-copy small {
    display:block;
    margin-bottom:7px;
    color:var(--yx-red);
    font-size:8px;
    font-weight:700;
    letter-spacing:1.1px;
  }
  .yx-dsp-typical-copy h4 {
    margin:0 0 5px;
    font-size:13px;
    line-height:1.35;
  }
  .yx-dsp-typical-copy p {
    margin:0;
    color:#777;
    font-size:9px;
    line-height:1.6;
  }

  .yx-dsp-more-railings {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
    margin-top:16px;
  }
  .yx-dsp-more-railing {
    min-height:230px;
    display:grid;
    grid-template-columns:42% 58%;
    overflow:hidden;
    border:1px solid var(--yx-line);
    background:var(--yx-white);
  }
  .yx-dsp-more-railing figure {
    min-height:230px;
    margin:0;
    background:var(--yx-soft);
  }
  .yx-dsp-more-railing figure img {
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .yx-dsp-more-railing-copy {
    padding:24px 22px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .yx-dsp-more-railing-copy small {
    color:var(--yx-red);
    font-size:8px;
    font-weight:700;
    letter-spacing:1.1px;
  }
  .yx-dsp-more-railing-copy h4 {
    margin:9px 0 8px;
    font-size:17px;
  }
  .yx-dsp-more-railing-copy p {
    margin:0;
    color:#777;
    font-size:9px;
    line-height:1.65;
  }
  .yx-dsp-type-tags {
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    margin-top:14px;
  }
  .yx-dsp-type-tags span {
    padding:6px 8px;
    border:1px solid #d9d8d3;
    background:#f8f7f4;
    font-size:8px;
    font-weight:700;
  }

  .yx-dsp-preview-head {
    margin:30px 0 16px;
    padding-top:24px;
    border-top:1px solid var(--yx-line);
  }
  .yx-dsp-preview-head small {
    display:block;
    margin-bottom:8px;
    color:var(--yx-red);
    font-size:8px;
    font-weight:700;
    letter-spacing:1.3px;
  }
  .yx-dsp-preview-head h4 {
    margin:0;
    font-size:21px;
    font-weight:600;
  }
  .yx-dsp-preview-head p {
    max-width:760px;
    margin:8px 0 0;
    color:#777;
    font-size:10px;
    line-height:1.7;
  }

  /* ===== 04 MATERIALS SECTION ===== */
  .yx-dsp-materials-section { background:var(--yx-white); }
  .yx-dsp-materials-heading {
    margin-bottom:52px;
    display:grid;
    grid-template-columns:.7fr 1.3fr;
    gap:40px 70px;
  }
  .yx-dsp-materials-heading .yx-dsp-section-title {
    grid-column:2;
    grid-row:1 / span 2;
  }
  .yx-dsp-materials-heading .yx-dsp-section-text {
    max-width:420px;
    margin-top:0;
  }

  /* ===== 07 PROJECT APPLICATION ===== */
  .yx-dsp-project { background:var(--yx-paper); }
  .yx-dsp-project-head {
    margin-bottom:46px;
    display:grid;
    grid-template-columns:.72fr 1.28fr;
    gap:40px 70px;
  }
  .yx-dsp-project-head .yx-dsp-section-title {
    grid-column:2;
    grid-row:1 / span 2;
  }
  .yx-dsp-project-head .yx-dsp-section-text {
    max-width:420px;
    margin-top:0;
  }
  .yx-dsp-project-main {
    display:grid;
    grid-template-columns:1.3fr .7fr;
    background:var(--yx-white);
    border:1px solid var(--yx-line);
  }
  .yx-dsp-project-main figure {
    min-height:560px;
    margin:0;
    background:var(--yx-soft);
  }
  .yx-dsp-project-main figure img {
    width:100%;
    height:100%;
    min-height:560px;
    object-fit:cover;
  }
  .yx-dsp-project-info {
    padding:42px 38px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .yx-dsp-project-info small {
    color:var(--yx-red);
    font-size:9px;
    font-weight:700;
    letter-spacing:1.4px;
  }
  .yx-dsp-project-info h3 {
    margin:13px 0 20px;
    font-size:24px;
    line-height:1.2;
  }
  .yx-dsp-project-info p {
    margin:0;
    color:#707070;
    font-size:11px;
    line-height:1.75;
  }
  .yx-dsp-project-spec {
    margin:26px 0 0;
    border-top:1px solid var(--yx-line);
  }
  .yx-dsp-project-spec > div {
    display:grid;
    grid-template-columns:100px 1fr;
    gap:15px;
    padding:12px 0;
    border-bottom:1px solid var(--yx-line);
  }
  .yx-dsp-project-spec dt {
    color:#8b8b8b;
    font-size:8px;
    font-weight:700;
    letter-spacing:1px;
  }
  .yx-dsp-project-spec dd {
    margin:0;
    font-size:10px;
    font-weight:600;
  }
  .yx-dsp-project-details {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
    margin-top:16px;
  }
  .yx-dsp-project-details figure {
    height:320px;
    margin:0;
    overflow:hidden;
    background:var(--yx-soft);
    border:1px solid var(--yx-line);
  }
  .yx-dsp-project-details img {
    width:100%;
    height:100%;
    object-fit:cover;
  }
  .yx-dsp-complete-card { overflow:hidden; border:1px solid var(--yx-line); background:var(--yx-white); }
  .yx-dsp-complete-card > figure { height:480px; margin:0; border-bottom:1px solid var(--yx-line); }
  .yx-dsp-complete-card > figure img { width:100%; height:100%; object-fit:cover; }
  .yx-dsp-complete-info { display:grid; grid-template-columns:1fr 170px; gap:22px; padding:26px; }
  .yx-dsp-complete-index { color:var(--yx-red); font-size:9px; font-weight:700; letter-spacing:1.4px; }
  .yx-dsp-complete-info h4 { margin:9px 0 7px; font-size:17px; }
  .yx-dsp-complete-info p { margin:0; color:#777; font-size:11px; line-height:1.65; }
  .yx-dsp-complete-node { min-height:105px; background:#f5f4f1; border:1px solid var(--yx-line); display:flex; align-items:center; justify-content:center; text-align:center; color:#888; font-size:9px; padding:10px; }

  /* ===== STEP 04 — MATERIALS & FINISH / EXPANDED ===== */
  .yx-dsp-material-stack {
    display: grid;
    gap: 22px;
  }

  .yx-dsp-material-panel {
    overflow: hidden;
    border: 1px solid var(--yx-line);
    background: var(--yx-white);
  }

  .yx-dsp-material-split {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr);
    min-height: 500px;
  }

  .yx-dsp-material-split.is-reverse {
    grid-template-columns: minmax(360px, .75fr) minmax(0, 1.25fr);
  }

  .yx-dsp-material-visual {
    min-height: 500px;
    padding: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--yx-soft);
  }

  .yx-dsp-material-visual.is-dark {
    background: #202020;
    color: #a9a9a9;
  }

  .yx-dsp-material-placeholder {
    width: 100%;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 35px;
    border: 1px dashed #c9c7c0;
    color: #888;
    text-align: center;
    font-size: 11px;
    line-height: 1.8;
    letter-spacing: .4px;
  }

  .yx-dsp-material-visual.is-dark .yx-dsp-material-placeholder {
    border-color: #4b4b4b;
    color: #a4a4a4;
  }

  .yx-dsp-material-placeholder strong {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 12px;
    letter-spacing: 1px;
  }

  .yx-dsp-material-visual.is-dark .yx-dsp-material-placeholder strong {
    color: #fff;
  }

  .yx-dsp-material-copy {
    padding: 46px 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-dsp-material-index {
    color: var(--yx-red);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.5px;
  }

  .yx-dsp-material-copy h4 {
    margin: 14px 0 14px;
    font-size: 23px;
    font-weight: 600;
    line-height: 1.2;
  }

  .yx-dsp-material-copy > p {
    margin: 0;
    color: #707070;
    font-size: 12px;
    line-height: 1.8;
  }

  .yx-dsp-option-group {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--yx-line);
  }

  .yx-dsp-option-group + .yx-dsp-option-group {
    margin-top: 18px;
  }

  .yx-dsp-option-label {
    margin-bottom: 12px;
    color: #8a8a8a;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
  }

  .yx-dsp-option-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .yx-dsp-option-chip {
    padding: 8px 11px;
    border: 1px solid #d9d8d3;
    background: #faf9f6;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .5px;
  }

  .yx-dsp-swatch-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 8px;
  }

  .yx-dsp-swatch {
    min-height: 66px;
    padding: 9px;
    border: 1px solid #dddcd7;
    display: flex;
    align-items: flex-end;
    background: linear-gradient(135deg,#eee9df,#d8cdbb);
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .6px;
  }

  .yx-dsp-swatch:nth-child(2) { background: linear-gradient(135deg,#d6c2a0,#a98459); }
  .yx-dsp-swatch:nth-child(3) { background: linear-gradient(135deg,#9b7c5f,#5f4635); color:#fff; }
  .yx-dsp-swatch:nth-child(4) { background: linear-gradient(135deg,#e9e9e9,#c9c9c9); }

  .yx-dsp-steel-colours .yx-dsp-swatch:nth-child(1) { background:#1f1f1f; color:#fff; }
  .yx-dsp-steel-colours .yx-dsp-swatch:nth-child(2) { background:#f7f7f7; }
  .yx-dsp-steel-colours .yx-dsp-swatch:nth-child(3) { background:#8c8c8c; color:#fff; }
  .yx-dsp-steel-colours .yx-dsp-swatch:nth-child(4) {
    background: linear-gradient(135deg,#da251d,#f0c93e,#4b83c4,#4f9b67);
    color:#fff;
  }

  /* Glass cards */
  .yx-dsp-glass-panel {
    padding: 42px;
  }

  .yx-dsp-glass-head {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 32px;
    margin-bottom: 30px;
  }

  .yx-dsp-glass-head h4 {
    margin: 0;
    font-size: 23px;
    font-weight: 600;
  }

  .yx-dsp-glass-head p {
    max-width: 760px;
    margin: 0;
    color: #707070;
    font-size: 12px;
    line-height: 1.8;
  }

  .yx-dsp-glass-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 16px;
  }

  .yx-dsp-glass-card {
    border: 1px solid var(--yx-line);
    background: #fff;
    overflow: hidden;
  }

  .yx-dsp-glass-card-visual {
    min-height: 250px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,#fbfcfc,#e9f0ef);
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-dsp-glass-card-visual span {
    color: #7d8988;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .yx-dsp-glass-card-copy {
    padding: 23px;
  }

  .yx-dsp-glass-card-copy small {
    color: var(--yx-red);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.3px;
  }

  .yx-dsp-glass-card-copy h5 {
    margin: 10px 0 8px;
    font-size: 15px;
  }

  .yx-dsp-glass-card-copy p {
    margin: 0;
    color: #777;
    font-size: 10px;
    line-height: 1.7;
  }

  .yx-dsp-glass-note {
    margin-top: 18px;
    padding: 16px 18px;
    background: #f7f6f3;
    border-left: 3px solid var(--yx-red);
    color: #666;
    font-size: 10px;
    line-height: 1.7;
  }

  /* LED */
  .yx-dsp-led-panel {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    min-height: 540px;
    background: #171717;
    color: #fff;
  }

  .yx-dsp-led-visual {
    min-height: 540px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #252525;
  }

  .yx-dsp-led-copy {
    padding: 50px 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-dsp-led-copy .yx-dsp-material-index {
    color: var(--yx-red);
  }

  .yx-dsp-led-copy h4 {
    margin: 14px 0 18px;
    font-size: 28px;
    line-height: 1.12;
    font-weight: 600;
  }

  .yx-dsp-led-copy > p {
    margin: 0;
    color: #aaa;
    font-size: 12px;
    line-height: 1.8;
  }

  .yx-dsp-led-spec {
    margin-top: 28px;
    border-top: 1px solid #3d3d3d;
  }

  .yx-dsp-led-spec > div {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid #3d3d3d;
  }

  .yx-dsp-led-spec dt {
    color: #777;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.1px;
  }

  .yx-dsp-led-spec dd {
    margin: 0;
    color: #ddd;
    font-size: 10px;
    line-height: 1.5;
  }

  /* Build your staircase */
  .yx-dsp-build-panel {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    min-height: 560px;
    border: 1px solid var(--yx-line);
    background: #fff;
  }

  .yx-dsp-build-copy {
    padding: 48px 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .yx-dsp-build-copy h4 {
    margin: 14px 0 18px;
    font-size: 28px;
    font-weight: 600;
    line-height: 1.12;
  }

  .yx-dsp-build-copy > p {
    margin: 0;
    color: #707070;
    font-size: 12px;
    line-height: 1.8;
  }

  .yx-dsp-build-list {
    margin-top: 28px;
    border-top: 1px solid var(--yx-line);
  }

  .yx-dsp-build-row {
    display: grid;
    grid-template-columns: 125px 1fr;
    gap: 20px;
    padding: 13px 0;
    border-bottom: 1px solid var(--yx-line);
  }

  .yx-dsp-build-row span:first-child {
    color: #8a8a8a;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.1px;
  }

  .yx-dsp-build-row span:last-child {
    font-size: 10px;
    font-weight: 600;
  }

  .yx-dsp-build-visual {
    min-height: 560px;
    padding: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--yx-soft);
    border-left: 1px solid var(--yx-line);
  }

  @media(max-width:980px){
    .yx-dsp-system-formula{grid-template-columns:1fr}
    .yx-dsp-system-formula-op{min-height:42px}
    .yx-dsp-core-panel{grid-template-columns:1fr}
    .yx-dsp-system-two,.yx-dsp-system-three,.yx-dsp-complete-grid{grid-template-columns:1fr}
    .yx-dsp-material-split,
    .yx-dsp-material-split.is-reverse,
    .yx-dsp-led-panel,
    .yx-dsp-build-panel { grid-template-columns: 1fr; }

    .yx-dsp-material-split.is-reverse .yx-dsp-material-copy { order: 2; }
    .yx-dsp-material-split.is-reverse .yx-dsp-material-visual { order: 1; }

    .yx-dsp-glass-grid { grid-template-columns: 1fr; }
    .yx-dsp-glass-head { grid-template-columns: 1fr; gap: 12px; }

    .yx-dsp-build-visual {
      border-left: 0;
      border-top: 1px solid var(--yx-line);
    }
  }
  @media(max-width:600px){
    .yx-dsp-system-step-head{grid-template-columns:1fr;gap:8px;margin-top:55px}
    .yx-dsp-core-panel figure,.yx-dsp-core-panel img{min-height:360px}
    .yx-dsp-core-copy{padding:32px 22px}
    .yx-dsp-system-card figure{height:320px}
    .yx-dsp-system-matrix{grid-template-columns:110px 1fr 1fr}
    .yx-dsp-system-matrix > div{min-height:68px;padding:13px 9px}
    .yx-dsp-complete-card > figure{height:330px}
    .yx-dsp-complete-info{grid-template-columns:1fr}
    .yx-dsp-material-copy,
    .yx-dsp-led-copy,
    .yx-dsp-build-copy { padding: 32px 22px; }

    .yx-dsp-material-visual,
    .yx-dsp-led-visual,
    .yx-dsp-build-visual { min-height: 360px; padding: 16px; }

    .yx-dsp-material-placeholder { min-height: 320px; padding: 22px; }

    .yx-dsp-swatch-row { grid-template-columns: repeat(2, minmax(0,1fr)); }

    .yx-dsp-glass-panel { padding: 28px 18px; }

    .yx-dsp-led-copy h4,
    .yx-dsp-build-copy h4 { font-size: 23px; }

    .yx-dsp-led-spec > div,
    .yx-dsp-build-row { grid-template-columns: 100px 1fr; }
  }