:root {
        --ink: #10223b;
        --muted: #6d7c92;
        --line: #dde6ef;
        --mist: #f4f8fc;
        --blue: #0756e6;
        --blue-deep: #043a9f;
        --cyan: #00b5d8;
        --lime: #b7f343;
        --white: #ffffff;
        --shadow: 0 20px 50px rgba(17, 49, 84, 0.1);
      }

      * { box-sizing: border-box; }
      html { scroll-behavior: smooth; }
      body {
        margin: 0;
        color: var(--ink);
        background: var(--white);
        font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
        line-height: 1.6;
      }
      a { color: inherit; text-decoration: none; }
      button { font: inherit; }
      .container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
      .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 9px;
        color: var(--blue);
        font-size: 13px;
        font-weight: 800;
        letter-spacing: 0.12em;
      }
      .eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
      .section { padding: 112px 0; }
      .section-heading { display: grid; grid-template-columns: 1fr minmax(260px, 400px); gap: 40px; align-items: end; margin-bottom: 52px; }
      h1, h2, h3, p { margin-top: 0; }
      h2 { margin-bottom: 0; font-size: clamp(32px, 4vw, 54px); line-height: 1.18; letter-spacing: -0.045em; }
      .section-intro { color: var(--muted); font-size: 17px; margin: 0; }
      .text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-weight: 800; }
      .text-link::after { content: "→"; font-size: 20px; transition: transform 0.2s ease; }
      .text-link:hover::after { transform: translateX(5px); }
      .button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        min-height: 52px;
        padding: 0 22px;
        border: 1px solid transparent;
        border-radius: 7px;
        font-weight: 800;
        cursor: pointer;
        transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
      }
      .button:hover { transform: translateY(-2px); }
      .button-primary { color: #fff; background: var(--blue); box-shadow: 0 11px 22px rgba(7, 86, 230, 0.2); }
      .button-primary:hover { background: var(--blue-deep); }
      .button-secondary { color: #fff; background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.38); }
      .button-secondary:hover { background: rgba(255, 255, 255, 0.16); }

      .progress { position: fixed; z-index: 20; top: 0; left: 0; width: 100%; height: 3px; background: transparent; }
      .progress > span { display: block; width: 0; height: 100%; background: var(--cyan); }
      .site-header { position: sticky; z-index: 10; top: 0; height: 82px; border-bottom: 1px solid rgba(209, 222, 237, 0.72); background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(14px); }
      .nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
      .brand { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -0.04em; white-space: nowrap; }
      .brand-mark { display: block; width: 33px; height: 33px; overflow: hidden; }
      .brand-mark img { display: block; width: 100%; height: 100%; object-fit: cover; transform: scale(1.3); }
      .brand small { display: block; margin-top: -2px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: 0.12em; }
      .nav-links { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
      .nav-links a { color: #364963; transition: color 0.2s ease; }
      .nav-links a:hover { color: var(--blue); }
      .nav-cta { padding: 10px 15px; color: #fff !important; background: var(--blue); border-radius: 5px; }
      .menu-toggle { display: none; padding: 8px; color: var(--ink); border: 0; background: transparent; font-size: 22px; cursor: pointer; }

      .hero { position: relative; overflow: hidden; min-height: 700px; color: #fff !important; background: #06285e; }
      .hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(106deg, #052d72 0%, #063fa1 46%, #005270 100%); }
      .hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; min-height: 700px; gap: 40px; }
      .hero-copy { padding: 95px 0 72px; }
      .hero .eyebrow { color: var(--lime); }
      h1 { max-width: 700px; margin: 22px 0 25px; font-size: clamp(46px, 6.1vw, 80px); font-weight: 900; letter-spacing: -0.065em; line-height: 1.08; }
      h1 em { color: var(--lime); font-style: normal; }
      .hero-desc { max-width: 560px; margin-bottom: 34px; color: #cfddf2; font-size: 18px; line-height: 1.85; }
      .hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
      .hero-note { display: flex; align-items: center; gap: 14px; margin-top: 56px; color: #b9cdea; font-size: 13px; }
      .hero-note::before { content: ""; width: 38px; height: 1px; background: rgba(255, 255, 255, 0.35); }
      .orb { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(1px); }
      .orb-a { top: -240px; right: -190px; width: 580px; height: 580px; border: 1px solid rgba(129, 241, 255, 0.22); box-shadow: 0 0 0 70px rgba(82, 218, 255, 0.04), 0 0 0 145px rgba(82, 218, 255, 0.04); }
      .orb-b { right: 8%; bottom: -160px; width: 410px; height: 410px; background: radial-gradient(circle at 34% 36%, rgba(166, 255, 97, 0.42), transparent 49%); }
      .hero-showcase { position: relative; height: 430px; }
      .showcase-frame { position: absolute; inset: 33px 0 20px 50px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.21); border-radius: 17px; background: rgba(3, 26, 70, 0.4); box-shadow: 28px 32px 0 rgba(2, 23, 60, 0.18), var(--shadow); backdrop-filter: blur(8px); }
      .showcase-top { display: flex; align-items: center; gap: 7px; height: 43px; padding: 0 15px; border-bottom: 1px solid rgba(255, 255, 255, 0.11); }
      .showcase-top i { display: block; width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, 0.65); }
      .showcase-title { margin-left: auto; color: rgba(255, 255, 255, 0.62); font-size: 11px; }
      .showcase-ui { display: grid; grid-template-columns: 27% 1fr; height: calc(100% - 43px); }
      .side-ui { padding: 25px 15px; background: rgba(2, 18, 51, 0.23); }
      .side-ui b { display: block; margin-bottom: 25px; color: #cbe4ff; font-size: 12px; }
      .side-ui span { display: block; height: 7px; margin: 15px 0; border-radius: 8px; background: rgba(217, 234, 255, 0.18); }
      .side-ui span:nth-of-type(2) { width: 73%; background: rgba(183, 243, 67, 0.83); }
      .screen-ui { padding: 25px; }
      .screen-top { display: flex; justify-content: space-between; align-items: center; }
      .screen-top strong { color: #fff; font-size: 17px; }
      .screen-top small { padding: 5px 8px; color: #092052; background: var(--lime); border-radius: 4px; font-size: 10px; font-weight: 900; }
      .charts { display: grid; grid-template-columns: 1.45fr 1fr; gap: 13px; margin-top: 19px; }
      .chart { min-height: 133px; padding: 15px; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 8px; background: rgba(255, 255, 255, 0.07); }
      .chart-label { color: rgba(255, 255, 255, 0.63); font-size: 10px; }
      .chart-bars { display: flex; align-items: end; gap: 8px; height: 75px; margin-top: 13px; }
      .chart-bars span { flex: 1; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--cyan), #1266ed); }
      .chart-bars span:nth-child(1) { height: 35%; } .chart-bars span:nth-child(2) { height: 67%; } .chart-bars span:nth-child(3) { height: 47%; } .chart-bars span:nth-child(4) { height: 88%; } .chart-bars span:nth-child(5) { height: 62%; }
      .donut { display: grid; place-items: center; width: 83px; height: 83px; margin: 13px auto 0; border: 15px solid #34cadf; border-right-color: #95e858; border-bottom-color: rgba(255,255,255,.18); border-radius: 50%; transform: rotate(-38deg); }
      .signal { position: absolute; right: 26px; bottom: 0; display: flex; align-items: center; gap: 12px; padding: 13px 17px; color: #e8f4ff; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; background: rgba(6, 43, 106, 0.88); box-shadow: 0 13px 25px rgba(0, 15, 49, 0.24); font-size: 12px; }
      .signal::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(183, 243, 67, 0.16); }

      .signal-band { border-bottom: 1px solid var(--line); background: #fff; }
      .signal-items { display: grid; grid-template-columns: repeat(4, 1fr); }
      .signal-item { min-height: 124px; padding: 32px 24px; border-right: 1px solid var(--line); }
      .signal-item:first-child { border-left: 1px solid var(--line); }
      .signal-kicker { display: block; margin-bottom: 5px; color: var(--blue); font-size: 11px; font-weight: 900; letter-spacing: 0.08em; }
      .signal-value { margin: 0; color: #223852; font-size: 16px; font-weight: 800; line-height: 1.35; }

      .intro-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 90px; align-items: start; }
      .intro-statement { max-width: 630px; margin: 22px 0 30px; font-size: clamp(27px, 3.4vw, 43px); font-weight: 800; letter-spacing: -0.05em; line-height: 1.36; }
      .intro-statement strong { color: var(--blue); }
      .intro-copy { max-width: 570px; color: var(--muted); font-size: 16px; }
      .timeline { position: relative; padding: 7px 0 0 24px; border-left: 1px solid #cbd7e5; }
      .timeline::before { content: ""; position: absolute; top: 7px; left: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 95px 0 var(--cyan), 0 190px 0 var(--lime); }
      .timeline-item { padding: 0 0 40px 18px; }
      .timeline-item:last-child { padding-bottom: 0; }
      .timeline-year { color: var(--blue); font-size: 13px; font-weight: 900; }
      .timeline-item h3 { margin: 4px 0 5px; font-size: 19px; }
      .timeline-item p { margin: 0; color: var(--muted); font-size: 14px; }

      .products { color: #fff; background: #0d223f; }
      .products .section-intro { color: #aebfd4; }
      .products .eyebrow { color: #8de7ff; }
      .product-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: -8px 0 37px; }
      .product-tab { padding: 9px 14px; color: #b7c8dc; border: 1px solid rgba(196, 218, 241, 0.2); border-radius: 999px; background: transparent; cursor: pointer; transition: 0.2s ease; }
      .product-tab:hover, .product-tab.is-active { color: #092544; border-color: var(--lime); background: var(--lime); }
      .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 19px; }
      .product-card { display: flex; flex-direction: column; min-height: 530px; overflow: hidden; border: 1px solid rgba(203, 224, 245, 0.16); border-radius: 12px; background: #113156; transition: transform 0.25s ease, border-color 0.25s ease; }
      .product-card:hover { transform: translateY(-6px); border-color: rgba(183, 243, 67, 0.75); }
      .product-card[hidden] { display: none; }
      .product-visual { position: relative; height: 190px; overflow: hidden; }
      .product-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(17, 49, 86, 0.78)); }
      .product-visual.water { background: linear-gradient(125deg, #0064a2, #09a7c2); }
      .product-visual.member { background: linear-gradient(125deg, #6b32be, #b552b6); }
      .product-visual.code { background: linear-gradient(125deg, #0c6b55, #20a46c); }
      .water-shape { position: absolute; width: 340px; height: 210px; right: -70px; bottom: -120px; border: 26px solid rgba(205, 255, 250, 0.78); border-radius: 50%; transform: rotate(-25deg); }
      .member-network { position: absolute; inset: 0; background-image: radial-gradient(circle at 25% 32%, #ecdbff 0 5px, transparent 6px), radial-gradient(circle at 56% 61%, #f5d6ff 0 7px, transparent 8px), radial-gradient(circle at 79% 26%, #f5d6ff 0 5px, transparent 6px), linear-gradient(30deg, transparent 48%, rgba(255,255,255,.55) 49%, rgba(255,255,255,.55) 51%, transparent 52%), linear-gradient(145deg, transparent 48%, rgba(255,255,255,.42) 49%, rgba(255,255,255,.42) 51%, transparent 52%); opacity: .95; }
      .code-lines { position: absolute; top: 38px; left: 40px; right: 30px; }
      .code-lines span { display: block; height: 9px; margin: 11px 0; border-radius: 8px; background: rgba(227, 255, 221, 0.78); }
      .code-lines span:nth-child(2) { width: 69%; } .code-lines span:nth-child(3) { width: 82%; } .code-lines span:nth-child(4) { width: 44%; background: #bcf552; }
      .product-number { position: absolute; z-index: 1; top: 19px; left: 22px; color: rgba(255,255,255,.78); font-size: 12px; font-weight: 900; letter-spacing: 0.11em; }
      .product-content { display: flex; flex: 1; flex-direction: column; padding: 26px 26px 25px; }
      .product-tag { display: inline-flex; width: max-content; margin-bottom: 13px; padding: 5px 8px; color: #abdeff; border: 1px solid rgba(171,222,255,.33); border-radius: 4px; font-size: 11px; font-weight: 800; }
      .product-card h3 { margin: 0 0 9px; color: #fff; font-size: 25px; letter-spacing: -0.03em; line-height: 1.3; }
      .product-desc { min-height: 75px; margin-bottom: 22px; color: #b8c9dc; font-size: 14px; }
      .feature-list { display: grid; gap: 9px; margin: 0 0 26px; padding: 0; list-style: none; color: #e2eefb; font-size: 13px; }
      .feature-list li { position: relative; padding-left: 15px; }
      .feature-list li::before { content: ""; position: absolute; top: 0.64em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }
      .product-card .text-link { margin-top: auto; color: var(--lime); }

      .capability { background: var(--mist); }
      .capability-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 72px; align-items: center; }
      .capability-card { position: relative; min-height: 455px; overflow: hidden; padding: 36px; color: #fff; border-radius: 14px; background: #0756e6; box-shadow: var(--shadow); }
      .capability-card::before { content: ""; position: absolute; width: 385px; height: 385px; right: -138px; bottom: -167px; border: 44px solid rgba(255,255,255,.13); border-radius: 50%; }
      .capability-card::after { content: ""; position: absolute; top: 72px; right: -36px; width: 185px; height: 185px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; }
      .capability-card > * { position: relative; z-index: 1; }
      .capability-card h3 { margin: 19px 0 46px; font-size: 30px; line-height: 1.28; letter-spacing: -0.04em; }
      .capability-stat { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid rgba(255,255,255,.23); background: rgba(255,255,255,.23); }
      .capability-stat div { padding: 20px 18px; background: rgba(3, 57, 157, .7); }
      .capability-stat strong { display: block; color: var(--lime); font-size: 25px; line-height: 1; }
      .capability-stat span { color: #d8e7ff; font-size: 12px; }
      .principles { display: grid; gap: 0; border-top: 1px solid var(--line); }
      .principle { display: grid; grid-template-columns: 55px 1fr; gap: 21px; padding: 25px 0; border-bottom: 1px solid var(--line); }
      .principle-index { color: var(--blue); font-size: 14px; font-weight: 900; }
      .principle h3 { margin: 0 0 7px; font-size: 20px; }
      .principle p { margin: 0; color: var(--muted); font-size: 14px; }

      .delivery-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 10px; border: 1px solid var(--line); }
      .flow-item { position: relative; min-height: 246px; padding: 29px; border-right: 1px solid var(--line); background: #fff; }
      .flow-item:last-child { border-right: 0; }
      .flow-item:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 41px; right: -13px; display: grid; place-items: center; width: 26px; height: 26px; color: var(--blue); border: 1px solid var(--line); border-radius: 50%; background: #fff; font-weight: 900; }
      .flow-number { color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: .12em; }
      .flow-item h3 { margin: 37px 0 10px; font-size: 20px; }
      .flow-item p { margin: 0; color: var(--muted); font-size: 14px; }

      .contact { position: relative; overflow: hidden; color: #fff; background: #0a1d37; }
      .contact::before { content: ""; position: absolute; top: -230px; left: 48%; width: 510px; height: 510px; border: 1px solid rgba(111, 211, 255, .31); border-radius: 50%; box-shadow: 0 0 0 70px rgba(62, 142, 255, .05), 0 0 0 145px rgba(62, 142, 255, .04); }
      .contact-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
      .contact .eyebrow { color: var(--lime); }
      .contact h2 { max-width: 670px; margin: 20px 0 25px; }
      .contact p { max-width: 590px; color: #b9c9dc; font-size: 17px; }
      .contact-details { display: grid; gap: 17px; padding: 30px; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
      .contact-label { display: block; margin-bottom: 5px; color: #9ab0ca; font-size: 12px; }
      .contact-value { color: #fff; font-size: 18px; font-weight: 800; }
      .contact-address { font-size: 14px; font-weight: 500; line-height: 1.5; }
      .contact-divider { height: 1px; background: rgba(255,255,255,.16); }

      .site-footer { padding: 31px 0; color: #8b9bb0; background: #08182e; font-size: 13px; }
      .footer-inner { display: flex; justify-content: space-between; gap: 20px; }
      .footer-inner p { margin: 0; }
      .back-top { position: fixed; z-index: 5; right: 22px; bottom: 22px; display: grid; place-items: center; width: 42px; height: 42px; color: #fff; border: 0; border-radius: 50%; background: var(--blue); box-shadow: 0 8px 18px rgba(7,86,230,.25); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px); transition: .2s ease; }
      .back-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

      @media (max-width: 900px) {
        .section { padding: 82px 0; }
        .section-heading, .intro-grid, .capability-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
        .section-heading { align-items: start; margin-bottom: 38px; }
        .hero-grid { grid-template-columns: 1fr; min-height: auto; }
        .hero-copy { padding: 84px 0 36px; }
        .hero-showcase { width: min(500px, 100%); height: 365px; justify-self: end; }
        .signal-items { grid-template-columns: repeat(2, 1fr); }
        .signal-item:nth-child(3) { border-left: 1px solid var(--line); }
        .product-grid { grid-template-columns: 1fr; max-width: 570px; }
        .product-card { min-height: 475px; }
        .delivery-flow { grid-template-columns: repeat(2, 1fr); }
        .flow-item:nth-child(2) { border-right: 0; }
        .flow-item:nth-child(2)::after { top: auto; right: 50%; bottom: -13px; transform: rotate(90deg) translateX(-13px); }
        .flow-item:nth-child(3) { border-top: 1px solid var(--line); }
        .flow-item:nth-child(4) { border-top: 1px solid var(--line); border-right: 0; }
      }

      @media (max-width: 680px) {
        .container { width: min(100% - 34px, 1180px); }
        .site-header { height: 68px; }
        .nav-links { position: absolute; top: 68px; left: 0; right: 0; display: grid; gap: 0; padding: 10px 17px 17px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 15px 25px rgba(17,49,84,.1); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: .2s ease; }
        .nav-links a { padding: 13px 7px; }
        .nav-links.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
        .nav-cta { text-align: center; }
        .menu-toggle { display: block; }
        .brand { font-size: 14px; }
        .hero { min-height: 0; }
        .hero-copy { padding-top: 73px; }
        h1 { font-size: clamp(43px, 13vw, 60px); }
        .hero-desc { font-size: 15px; }
        .hero-showcase { height: 280px; }
        .showcase-frame { inset: 14px 0 12px 0; }
        .signal { right: 11px; bottom: -4px; }
        .screen-ui { padding: 17px; }
        .side-ui { padding: 16px 10px; }
        .charts { gap: 7px; }
        .chart { padding: 10px; }
        .signal-items { grid-template-columns: 1fr; }
        .signal-item, .signal-item:first-child, .signal-item:nth-child(3) { min-height: auto; padding: 20px 0; border-right: 0; border-left: 0; border-bottom: 1px solid var(--line); }
        .signal-item:last-child { border-bottom: 0; }
        .section-heading { gap: 18px; }
        h2 { font-size: 34px; }
        .intro-statement { font-size: 28px; }
        .capability-card { min-height: 400px; }
        .delivery-flow { grid-template-columns: 1fr; }
        .flow-item, .flow-item:nth-child(2), .flow-item:nth-child(4) { min-height: 185px; border-right: 0; border-bottom: 1px solid var(--line); }
        .flow-item:nth-child(3) { border-top: 0; }
        .flow-item:last-child { border-bottom: 0; }
        .flow-item:not(:last-child)::after, .flow-item:nth-child(2)::after { top: auto; right: 26px; bottom: -13px; transform: rotate(90deg); }
        .flow-item h3 { margin-top: 24px; }
        .footer-inner { display: grid; }
      }