:root {
      --red: #E70012;
      --blue: #1861F4;
      --blue-dark: #333333;
      --gold: #E70012;
      --text: #333333;
      --muted: #666666;
      --line: rgba(0, 0, 0, .1);
      --soft: #F6F6F6;
      --white: #fff;
      --shadow: 0 16px 36px rgba(0, 0, 0, .08);
      --page-width: 1200px;
      --page-padding: 40px;
      --hero-nav-offset: 110px;
    }

    * { box-sizing: border-box; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--white);
      font-family: "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }

    .container {
      width: min(var(--page-width), calc(100% - var(--page-padding)));
      margin: auto;
    }

    .hero {
      position: relative;
      min-height: calc(640px + var(--hero-nav-offset));
      display: flex;
      align-items: flex-end;
      padding: var(--hero-nav-offset) 0 80px;
      background: #f6f6f6;
      overflow: hidden;
    }

    .hero-img {
      position: absolute;
      inset: 0;
      z-index: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(90deg, rgba(255,255,255,.18) 0%, rgba(255,255,255,.08) 46%, rgba(255,255,255,0) 100%);
      pointer-events: none;
    }

    .hero-wrap {
      position: relative;
      z-index: 2;
      width: min(var(--page-width), calc(100% - var(--page-padding)));
      margin: 0 auto;
    }

    .hero-copy {
      max-width: 500px;
      padding: 36px;
      background: rgba(255, 255, 255, .96);
      border: 0;
      border-radius: 0;
      box-shadow: 0 20px 45px rgba(0, 0, 0, .12);
    }

    .crumb {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 13px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      color: var(--gold);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .16em;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 36px;
      height: 3px;
      background: var(--gold);
    }

    h1, h2, h3, p { margin-top: 0; }

    h1 {
      margin-bottom: 18px;
      color: var(--red);
      font-size: clamp(30px, 4vw, 36px);
      line-height: 1.12;
      letter-spacing: -.02em;
    }

    .lead {
      margin-bottom: 28px;
      color: var(--text);
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 180px;
      min-height: 34px;
      padding: 0 26px;
      border-radius: 34px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 700;
    }

    .btn-primary {
      color: #fff;
      background: var(--red);
      border-color: var(--red);
      box-shadow: none;
    }

    .btn-light {
      color: var(--red);
      background: #fff;
      border-color: var(--red);
    }

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

    .stat {
      padding: 14px;
      background: #F7F8FC;
      border: 1px solid var(--line);
      border-radius: 0;
    }

    .stat strong {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1.2;
    }

    .stat span {
      color: var(--muted);
      font-size: 13px;
    }

    .section {
      padding: clamp(58px, 7vw, 88px) 0;
    }

    .section-soft { background: var(--soft); }

    .section-title {
      max-width: 760px;
      margin-bottom: 36px;
    }

    .section-title h2 {
      position: relative;
      margin-bottom: 18px;
      padding-bottom: 16px;
      color: var(--text);
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.03em;
    }

    .section-title h2::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 60px;
      height: 4px;
      background: var(--red);
    }

    .section-title p {
      color: var(--muted);
      font-size: 17px;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 28px;
      align-items: stretch;
    }

    .intro-panel,
    .card,
    .product-card,
    .case-card,
    .form-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 0;
      box-shadow: none;
    }

    .intro-panel {
      padding: 32px;
      background: #fff;
      border-left: 4px solid var(--red);
      color: var(--text);
    }

    .intro-panel h2 { font-size: 30px; line-height: 1.3; }
    .intro-panel p { color: var(--muted); }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .tag {
      padding: 8px 12px;
      color: var(--red);
      background: rgba(231, 0, 18, .06);
      border: 1px solid rgba(231, 0, 18, .16);
      border-radius: 34px;
      font-size: 14px;
    }

    .scene-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .scene-item {
      padding: 24px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0;
    }

    .scene-item b {
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      margin-bottom: 14px;
      color: #fff;
      background: var(--red);
      border-radius: 50%;
    }

    .scene-item h3 { margin-bottom: 8px; color: var(--text); font-size: 19px; }
    .scene-item p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

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

    .card {
      padding: 26px 22px;
      transition: .25s ease;
    }

    .card:hover {
      transform: translateY(-3px);
      border-color: rgba(231, 0, 18, .35);
      box-shadow: 0 14px 30px rgba(0, 0, 0, .08);
    }

    .icon {
      display: inline-grid;
      place-items: center;
      width: 54px;
      height: 54px;
      margin-bottom: 18px;
      color: var(--red);
      background: rgba(231, 0, 18, .06);
      border-radius: 0;
      font-size: 24px;
      font-weight: 800;
    }

    .card h3 { margin-bottom: 8px; color: var(--text); font-size: 20px; }
    .card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

    .solution {
      display: grid;
      grid-template-columns: 1.28fr .72fr;
      gap: 24px;
      align-items: stretch;
    }

    .solution-box {
      position: relative;
      display: block;
      padding: 36px;
      color: var(--text);
      background: linear-gradient(135deg, #fff 0%, #f7f9fd 100%);
      border: 1px solid rgba(0, 0, 0, .08);
      border-radius: 0;
      box-shadow: 0 18px 42px rgba(16, 42, 61, .08);
      overflow: hidden;
    }

    .solution-box .eyebrow,
    .solution-box h2,
    .solution-box p {
      position: relative;
      z-index: 1;
    }

    .solution-box h2 {
      max-width: 680px;
      color: var(--text);
      font-size: 34px;
      line-height: 1.25;
    }

    .solution-box p {
      max-width: 720px;
      color: var(--muted);
    }

    .solution-diagram {
      width: 100%;
      height: auto;
      margin-top: 24px;
      background: #fff;
      object-fit: contain;
    }

    .solution .form-card {
      position: relative;
      padding: 32px 28px;
      background: #fff;
      border: 1px solid rgba(16, 42, 61, .10);
      box-shadow: 0 18px 42px rgba(16, 42, 61, .07);
      overflow: hidden;
    }

    .solution .form-card h2 {
      position: relative;
      margin-bottom: 18px;
      padding-bottom: 16px;
      color: var(--text);
      font-size: 28px;
      line-height: 1.3;
      border-bottom: 1px solid rgba(16, 42, 61, .10);
    }

    .solution .form-card h2::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -1px;
      width: 58px;
      height: 3px;
      background: var(--red);
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
      counter-reset: config;
    }

    .check-list li {
      position: relative;
      min-height: 72px;
      padding: 14px 16px 14px 54px;
      background: #f8fafc;
      border: 1px solid rgba(16, 42, 61, .08);
      border-radius: 0;
      counter-increment: config;
    }

    .check-list li::before {
      content: counter(config, decimal-leading-zero);
      position: absolute;
      top: 15px;
      left: 16px;
      display: grid;
      place-items: center;
      width: 26px;
      height: 26px;
      color: #fff;
      background: var(--red);
      font-size: 11px;
      font-weight: 800;
      line-height: 1;
    }

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

    .product-card {
      display: block;
      height: 100%;
      padding: 20px;
      overflow: hidden;
      color: inherit;
      text-decoration: none;
      transition: .25s ease;
    }

    .product-card:hover,
    .product-card:focus-visible {
      transform: translateY(-3px);
      border-color: rgba(231, 0, 18, .35);
      box-shadow: 0 14px 30px rgba(0, 0, 0, .08);
    }

    .product-img {
      display: grid;
      place-items: center;
      margin: -20px -20px 20px;
      background: linear-gradient(180deg, #fff, #F7F8FC);
      border-bottom: 1px solid var(--line);
    }

    .product-img img {
      width: 82%;
      max-width: 190px;
      object-fit: contain;
    }

    .product-card small {
      display: inline-block;
      margin-bottom: 16px;
      padding: 6px 10px;
      color: var(--red);
      background: rgba(231, 0, 18, .06);
      border-radius: 0;
      font-weight: 700;
    }

    .product-card h3 {
      margin-bottom: 10px;
      color: var(--text);
      font-size: 21px;
      line-height: 1.35;
    }

    .product-card p {
      margin-bottom: 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .spec-list {
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 14px;
    }

    .spec-list li {
      padding-left: 14px;
      border-left: 3px solid rgba(231, 0, 18, .18);
    }

    .flow-chart {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      padding: 0;
      background: transparent;
      border: 0;
      border-radius: 0;
      box-shadow: none;
    }

    .flow-step {
      position: relative;
      padding: 20px 14px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0;
    }

    .flow-step:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 50%;
      right: -13px;
      width: 12px;
      height: 2px;
      background: var(--red);
    }

    .flow-step b {
      display: inline-grid;
      place-items: center;
      width: 38px;
      height: 38px;
      margin-bottom: 12px;
      color: #fff;
      background: var(--red);
      border-radius: 50%;
      font-size: 14px;
    }

    .flow-step h3 {
      margin-bottom: 8px;
      color: var(--text);
      font-size: 17px;
    }

    .flow-step p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .case-card { overflow: hidden; }

    .case-img {
      background: #F7F8FC;
      overflow: hidden;
    }

    .case-img img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-body { padding: 22px; }
    .case-tag {
      display: inline-block;
      margin-bottom: 12px;
      padding: 5px 10px;
      color: var(--red);
      background: rgba(231, 0, 18, .06);
      font-size: 13px;
      font-weight: 700;
    }
    .case-body h3 { color: var(--text); font-size: 20px; }
    .case-body p { margin: 10px 0 0; color: var(--muted); font-size: 15px; }

    .case-meta {
      display: grid;
      gap: 8px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 14px;
    }

    .case-meta li {
      padding-left: 12px;
      border-left: 3px solid rgba(231, 0, 18, .18);
    }

    .message {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 26px;
      align-items: stretch;
    }

    #message {
      background: linear-gradient(180deg, #FFFFFF 45%, #C7D8F1 100%);
    }

    .contact-panel {
      padding: 30px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0;
      box-shadow: none;
    }

    .contact-panel h2 {
      margin-bottom: 14px;
      color: var(--text);
      font-size: 34px;
      line-height: 1.25;
    }

    .contact-panel p {
      color: var(--muted);
    }

    .contact-list {
      display: grid;
      gap: 14px;
      margin-top: 28px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 36px;
      border-bottom: 0;
    }

    .contact-item::before {
      content: "";
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      background: var(--red);
      -webkit-mask: var(--contact-icon) center / 18px 18px no-repeat;
      mask: var(--contact-icon) center / 18px 18px no-repeat;
    }

    .contact-item:nth-child(1),
    .contact-item:nth-child(2) {
      --contact-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M6.6 10.8c1.5 3 3.6 5.1 6.6 6.6l2.2-2.2c.3-.3.7-.4 1.1-.3 1.2.4 2.5.6 3.8.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1C10.8 21 3 13.2 3 3.7c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.3.2 2.6.6 3.8.1.4 0 .8-.3 1.1l-2.2 2.2z'/%3E%3C/svg%3E");
    }

    .contact-item:nth-child(3) {
      --contact-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M3 5h18v14H3V5zm2 2v.5l7 4.4 7-4.4V7H5zm14 10V9.8l-7 4.4-7-4.4V17h14z'/%3E%3C/svg%3E");
    }

    .contact-item:nth-child(4) {
      --contact-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M12 2a7 7 0 0 0-7 7c0 5.2 7 13 7 13s7-7.8 7-13a7 7 0 0 0-7-7zm0 9.5A2.5 2.5 0 1 1 12 6a2.5 2.5 0 0 1 0 5.5z'/%3E%3C/svg%3E");
    }

    .contact-item span {
      flex: 0 0 74px;
      color: var(--muted);
      font-size: 14px;
    }

    .contact-item strong {
      flex: 1;
      min-width: 0;
      margin-top: 0;
      color: var(--text);
      font-size: 17px;
    }

    .partner-logos {
      margin-top: 28px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
    }

    .partner-logos h3 {
      margin-bottom: 14px;
      color: var(--text);
      font-size: 18px;
    }

    .logo-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .logo-grid img {
      width: 100%;
      height: 54px;
      object-fit: contain;
      padding: 10px;
      background: #f8fafc;
      border: 1px solid var(--line);
      border-radius: 0;
    }

    .form-card { padding: 30px; }

    .form-title {
      margin-bottom: 22px;
    }

    .form-title h2 {
      margin-bottom: 8px;
      color: var(--text);
      font-size: 30px;
      line-height: 1.3;
    }

    .form-title p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .field,
    textarea {
      width: 100%;
      min-height: 48px;
      padding: 12px 16px;
      color: var(--text);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0;
      font: inherit;
    }

    .field:focus,
    textarea:focus {
      outline: 0;
      border-color: var(--red);
    }

    textarea {
      min-height: 112px;
      margin-top: 14px;
      resize: vertical;
    }

    .submit {
      width: 100%;
      margin-top: 14px;
      cursor: pointer;
    }

    .site-footer {
      padding: 32px 0;
      color: #d0d7e2;
      background: #333333;
      text-align: center;
      font-size: 14px;
    }

    @media (max-width: 980px) {
      .intro-grid,
      .solution,
      .message { grid-template-columns: 1fr; }
      .cards,
      .product-grid,
      .advantage-grid,
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .flow-chart { grid-template-columns: 1fr; }
      .flow-step:not(:last-child)::after { display: none; }
    }

    @media (max-width: 640px) {
      :root {
        --page-padding: 28px;
        --hero-nav-offset: 104px;
      }
      body { line-height: 1.6; }
      .hero {
        min-height: auto;
        padding: calc(var(--hero-nav-offset) + 48px) 0 28px;
      }
      .hero::after {
        background: linear-gradient(180deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.42) 36%, #fff 68%);
      }
      .crumb { margin-bottom: 10px; font-size: 12px; }
      .eyebrow {
        gap: 8px;
        margin-bottom: 10px;
        font-size: 12px;
        letter-spacing: .1em;
      }
      .eyebrow::before { width: 26px; height: 2px; }
      h1 {
        margin-bottom: 12px;
        font-size: 28px;
        line-height: 1.22;
      }
      .lead {
        margin-bottom: 18px;
        font-size: 14px;
      }
      .hero-copy {
        padding: 20px;
        border-radius: 0;
      }
      .hero-actions {
        gap: 10px;
        margin-bottom: 16px;
      }
      .hero-actions .btn { width: 100%; }
      .btn {
        min-height: 34px;
        font-size: 13px;
      }
      .stats { gap: 8px; }
      .stat { padding: 10px; }
      .stat strong { font-size: 18px; }
      .stat span { font-size: 12px; }
      .stats,
      .scene-list,
      .cards,
      .product-grid,
      .advantage-grid,
      .case-grid,
      .form-grid { grid-template-columns: 1fr; }
      .section { padding: 36px 0; }
      .section-title { margin-bottom: 22px; }
      .section-title h2 {
        margin-bottom: 12px;
        padding-bottom: 12px;
        font-size: 24px;
        line-height: 1.32;
      }
      .section-title h2::after { width: 44px; height: 3px; }
      .section-title p {
        margin-bottom: 0;
        font-size: 14px;
      }
      .intro-grid,
      .solution,
      .message { gap: 16px; }
      .intro-panel,
      .solution-box,
      .contact-panel,
      .form-card { padding: 20px; }
      .solution-box {
        min-height: auto;
        padding: 20px;
      }
      .solution-diagram { margin-top: 16px; }
      .solution .form-card {
        padding: 20px;
      }
      .intro-panel h2,
      .solution-box h2,
      .contact-panel h2,
      .form-title h2,
      .solution .form-card h2 { font-size: 24px; }
      .intro-panel p,
      .solution-box p,
      .contact-panel p,
      .form-title p { font-size: 14px; }
      .tags { gap: 8px; margin-top: 18px; }
      .tag { padding: 5px 10px; font-size: 12px; }
      .scene-list,
      .cards,
      .product-grid,
      .advantage-grid,
      .case-grid { gap: 12px; }
      .scene-item,
      .card,
      .product-card { padding: 18px; }
      .product-img {
        height: 128px;
        margin: -18px -18px 14px;
      }
      .product-img img {
        max-width: 170px;
        max-height: 106px;
      }
      .scene-item b {
        width: 28px;
        height: 28px;
        margin-bottom: 10px;
        font-size: 12px;
      }
      .scene-item h3,
      .card h3,
      .product-card h3,
      .case-body h3 { font-size: 17px; }
      .scene-item p,
      .card p,
      .product-card p,
      .case-body p { font-size: 14px; }
      .icon {
        width: 42px;
        height: 42px;
        margin-bottom: 12px;
        font-size: 20px;
      }
      .check-list { gap: 8px; margin-top: 16px; }
      .check-list li {
        min-height: 0;
        padding: 12px 12px 12px 46px;
        font-size: 14px;
      }
      .check-list li::before {
        top: 12px;
        left: 12px;
        width: 24px;
        height: 24px;
      }
      .product-card small {
        margin-bottom: 10px;
        font-size: 12px;
      }
      .product-card p { margin-bottom: 12px; }
      .spec-list { gap: 6px; font-size: 13px; }
      .flow-chart {
        gap: 8px;
      }
      .flow-step {
        display: grid;
        grid-template-columns: 28px 1fr;
        column-gap: 10px;
        align-items: start;
        padding: 12px;
        background: #fff;
        border: 1px solid rgba(0, 0, 0, .08);
        border-left: 3px solid rgba(231, 0, 18, .38);
      }
      .flow-step b {
        grid-row: 1 / span 2;
        width: 28px;
        height: 28px;
        margin: 0;
        border-radius: 0;
        font-size: 11px;
      }
      .flow-step h3 {
        margin-bottom: 2px;
        font-size: 15px;
        line-height: 1.35;
      }
      .flow-step p {
        font-size: 13px;
        line-height: 1.45;
      }
      .case-img { height: 150px; }
      .case-body { padding: 18px; }
      .case-tag { margin-bottom: 10px; font-size: 12px; }
      .case-meta { gap: 6px; margin-top: 12px; font-size: 13px; }
      .contact-list { gap: 10px; margin-top: 18px; }
      .contact-item strong { font-size: 15px; }
      .partner-logos { margin-top: 20px; padding-top: 18px; }
      .logo-grid { gap: 8px; }
      .logo-grid img { height: 46px; }
      .field,
      textarea {
        min-height: 42px;
        padding: 10px 12px;
        font-size: 14px;
      }
      textarea { min-height: 88px; }
      .site-footer {
        padding: 22px 0;
        font-size: 12px;
      }
    }