:root {
      color-scheme: light;
      --ink: #182238;
      --muted: #64718a;
      --line: #e2e8f3;
      --paper: #f6f8ff;
      --white: #ffffff;
      --blue: #315efb;
      --blue-dark: #2345d4;
      --cyan: #32c9d4;
      --orange: #ffb347;
      --violet: #7158e8;
      --container: 1180px;
      --shadow: 0 18px 54px rgba(39, 61, 112, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(ellipse at 8% 4%, rgba(120, 164, 255, .13), transparent 34rem),
        radial-gradient(ellipse at 96% 24%, rgba(83, 223, 213, .11), transparent 32rem),
        linear-gradient(180deg, #f7f9ff 0%, #f7f9fc 46%, #f3f7ff 100%);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 50;
      top: 0;
      border-bottom: 1px solid rgba(221, 229, 243, .8);
      background: rgba(250, 252, 255, .92);
      backdrop-filter: blur(16px);
    }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 170px;
      font-weight: 800;
      letter-spacing: -.03em;
    }
    .brand img { display: block; width: 42px; max-height: 42px; object-fit: contain; }
    .brand-copy { display: grid; line-height: 1.2; }
    .brand-copy strong { font-size: 17px; }
    .brand-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .12em; }
    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      padding: 10px 12px;
      color: #49556d;
      font-size: 13px;
      font-weight: 650;
      border-radius: 10px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-links a:hover { color: var(--blue-dark); background: #edf2ff; }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 0;
      border-radius: 13px;
      padding: 12px 19px;
      background: var(--blue);
      color: #fff;
      font-weight: 750;
      font-size: 14px;
      box-shadow: 0 10px 24px rgba(49, 94, 251, .22);
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor: pointer;
    }
    .nav-cta { flex: 0 0 auto; padding: 10px 15px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--blue-dark); box-shadow: 0 14px 28px rgba(49, 94, 251, .28); }
    .button:active, .nav-cta:active { transform: translateY(0); }
    .button.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); box-shadow: none; }
    .button.secondary:hover { color: var(--blue-dark); background: #f4f7ff; border-color: #becbff; }
    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 12px;
      color: var(--ink);
      background: #fff;
      cursor: pointer;
    }
    .menu-toggle svg { width: 20px; height: 20px; }

    .hero { position: relative; overflow: hidden; padding: 78px 0 72px; }
    .hero::before, .hero::after {
      content: "";
      position: absolute;
      z-index: 0;
      pointer-events: none;
      border-radius: 50%;
      filter: blur(1px);
    }
    .hero::before {
      width: 360px;
      aspect-ratio: 1;
      right: -145px;
      top: 5px;
      border: 1px solid rgba(49, 94, 251, .12);
      box-shadow: 0 0 0 35px rgba(49, 94, 251, .025), 0 0 0 72px rgba(49, 94, 251, .02);
    }
    .hero::after {
      width: 12px;
      height: 12px;
      top: 116px;
      right: 20%;
      background: var(--orange);
      box-shadow: 0 0 0 10px rgba(255, 179, 71, .15);
      animation: float-dot 4s ease-in-out infinite;
    }
    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr);
      align-items: center;
      gap: 55px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 20px;
      color: var(--blue-dark);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .13em;
      text-transform: uppercase;
    }
    .eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--cyan); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 690px;
      margin-bottom: 20px;
      font-size: clamp(38px, 5.2vw, 66px);
      line-height: 1.13;
      letter-spacing: -.055em;
    }
    h1 .accent { color: var(--blue); }
    .hero-lead { max-width: 620px; margin-bottom: 28px; color: #53617a; font-size: clamp(16px, 1.7vw, 19px); }
    .hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .hero-note { display: flex; align-items: center; gap: 10px; margin-top: 25px; color: var(--muted); font-size: 13px; }
    .mini-check {
      display: inline-grid;
      place-items: center;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      color: #168873;
      background: #dff8f0;
      font-weight: 900;
      font-size: 12px;
    }
    .hero-visual {
      position: relative;
      padding: 18px;
      border: 1px solid rgba(196, 210, 243, .9);
      border-radius: 28px;
      background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(239,245,255,.94));
      box-shadow: 0 28px 70px rgba(43, 72, 145, .13);
      animation: rise-in .75s ease-out both;
    }
    .visual-top { display: flex; justify-content: space-between; align-items: center; padding: 4px 4px 15px; }
    .visual-top strong { font-size: 14px; }
    .live-label { display: inline-flex; align-items: center; gap: 7px; color: #397766; font-size: 11px; font-weight: 750; }
    .live-label::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #35c79b; box-shadow: 0 0 0 4px #d9f7ee; }
    .visual-board { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .visual-tile {
      min-height: 111px;
      padding: 14px;
      border: 1px solid #e7ecf7;
      border-radius: 18px;
      background: #fff;
    }
    .visual-tile.wide { grid-column: 1 / -1; min-height: 98px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .tile-icon {
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      margin-bottom: 11px;
      border-radius: 11px;
      color: #315efb;
      background: #edf2ff;
    }
    .tile-icon svg { width: 18px; height: 18px; }
    .visual-tile strong { display: block; font-size: 13px; }
    .visual-tile small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
    .wide-copy { flex: 1; }
    .wave-bars { display: flex; align-items: center; gap: 4px; height: 43px; }
    .wave-bars i { display: block; width: 5px; border-radius: 8px; background: linear-gradient(180deg, #32c9d4, #315efb); animation: wave 1.15s ease-in-out infinite alternate; }
    .wave-bars i:nth-child(1), .wave-bars i:nth-child(7) { height: 17px; }
    .wave-bars i:nth-child(2), .wave-bars i:nth-child(6) { height: 27px; animation-delay: .15s; }
    .wave-bars i:nth-child(3), .wave-bars i:nth-child(5) { height: 36px; animation-delay: .3s; }
    .wave-bars i:nth-child(4) { height: 23px; animation-delay: .45s; }
    .model-strip { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 13px; }
    .model-strip span { padding: 5px 9px; border-radius: 999px; color: #586680; background: #f0f3fa; font-size: 10px; font-weight: 650; }
    .hero-bottom { margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(217, 226, 243, .9); }
    .hero-bottom p { margin-bottom: 12px; color: var(--muted); font-size: 12px; font-weight: 650; }
    .brand-cloud { display: flex; align-items: center; gap: 10px 22px; flex-wrap: wrap; color: #52617a; font-size: 13px; font-weight: 750; }
    .brand-cloud span { white-space: nowrap; }

    .section { padding: 76px 0; }
    .section-alt { position: relative; }
    .section-alt::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(120deg, rgba(232, 239, 255, .66), rgba(240, 251, 250, .5));
      border-block: 1px solid rgba(224, 232, 246, .66);
    }
    .section-heading { max-width: 720px; margin-bottom: 34px; }
    .section-heading.center { margin-inline: auto; text-align: center; }
    .section-heading .eyebrow { margin-bottom: 12px; }
    h2 { margin-bottom: 12px; font-size: clamp(27px, 3.6vw, 40px); line-height: 1.2; letter-spacing: -.04em; }
    .section-heading > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 15px; }
    .about-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 48px; align-items: start; }
    .about-aside { padding: 25px; border-radius: 22px; color: #fff; background: linear-gradient(145deg, #315efb, #584be0 65%, #7869eb); box-shadow: 0 20px 45px rgba(49,94,251,.2); }
    .about-aside .eyebrow { color: #dce5ff; }
    .about-aside h3 { max-width: 330px; margin-bottom: 14px; font-size: 25px; line-height: 1.3; }
    .about-aside p { margin-bottom: 20px; color: rgba(255,255,255,.85); font-size: 14px; }
    .about-aside .button { color: #233c95; background: #fff; box-shadow: none; }
    .about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
    .point {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 17px;
      background: rgba(255,255,255,.84);
    }
    .point b { display: block; margin-bottom: 5px; font-size: 15px; }
    .point p { margin: 0; color: var(--muted); font-size: 13px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 26px; }
    .metric { padding: 18px; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.7); }
    .metric strong { display: block; font-size: 16px; }
    .metric span { color: var(--muted); font-size: 12px; }

    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .service-card {
      position: relative;
      padding: 21px;
      border: 1px solid var(--line);
      border-radius: 19px;
      background: rgba(255,255,255,.9);
      box-shadow: 0 6px 20px rgba(30, 55, 110, .035);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .service-card:hover { transform: translateY(-4px); border-color: #c6d2ff; box-shadow: var(--shadow); }
    .service-card .tile-icon { margin-bottom: 14px; }
    .service-card h3 { margin-bottom: 7px; font-size: 17px; }
    .service-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-card .tagline { display: inline-block; margin-top: 14px; color: var(--blue-dark); font-size: 11px; font-weight: 800; }
    .service-note { margin: 22px 0 0; padding: 14px 17px; border-left: 3px solid var(--orange); color: #56647c; background: rgba(255,255,255,.7); font-size: 13px; }

    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: flow; }
    .flow-step { position: relative; padding: 4px 20px 8px 0; counter-increment: flow; }
    .flow-step:not(:last-child)::after { content: ""; position: absolute; top: 20px; left: 48px; right: 14px; height: 1px; background: #cbd7f0; }
    .flow-step .number { position: relative; z-index: 1; display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border: 1px solid #c8d5ff; border-radius: 50%; color: var(--blue-dark); background: #fff; font-weight: 850; }
    .flow-step .number::before { content: "0" counter(flow); }
    .flow-step h3 { margin-bottom: 6px; font-size: 16px; }
    .flow-step p { max-width: 220px; margin: 0; color: var(--muted); font-size: 13px; }

    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .solution-card { padding: 20px; border-radius: 4px 18px 18px 18px; background: #fff; border: 1px solid var(--line); }
    .solution-card:nth-child(2) { border-top: 3px solid var(--cyan); }
    .solution-card:nth-child(3) { border-top: 3px solid var(--violet); }
    .solution-card:nth-child(1) { border-top: 3px solid var(--orange); }
    .solution-card h3 { margin-bottom: 8px; font-size: 17px; }
    .solution-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-card .chips { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 15px; }
    .chips span { padding: 4px 8px; border-radius: 7px; color: #4e5b74; background: #f0f3f9; font-size: 11px; }

    .network-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 30px;
      padding: 30px;
      border: 1px solid #dae4f5;
      border-radius: 24px;
      background: linear-gradient(115deg, #fff, #eff6ff 70%, #eaf9f8);
    }
    .network-panel h3 { margin-bottom: 10px; font-size: 23px; }
    .network-panel p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .network-tags { display: flex; justify-content: flex-end; gap: 9px; flex-wrap: wrap; }
    .network-tags span { padding: 9px 12px; border: 1px solid #d9e3f2; border-radius: 999px; color: #45536e; background: rgba(255,255,255,.8); font-size: 12px; font-weight: 700; }

    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 21px; background: #fff; }
    .case-image { overflow: hidden; background: #e8edf6; }
    .case-image img { display: block; width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
    .case-card.square .case-image img { aspect-ratio: 1 / 1; object-fit: cover; }
    .case-copy { padding: 20px; }
    .case-copy small { color: var(--blue-dark); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
    .case-copy h3 { margin: 6px 0 7px; font-size: 19px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .case-stack { display: grid; gap: 18px; }
    .case-stack .case-image img { aspect-ratio: 16 / 7; }
    .case-stack .case-copy { padding: 16px 18px; }

    .review-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: stretch; gap: 20px; }
    .rating-card { padding: 27px; border-radius: 23px; color: #fff; background: linear-gradient(155deg, #1d2d52, #315efb); }
    .rating-card .eyebrow { color: #dce5ff; }
    .rating-card h3 { margin: 10px 0 0; font-size: 58px; line-height: 1; letter-spacing: -.06em; }
    .rating-card h3 small { font-size: 20px; letter-spacing: 0; }
    .stars { margin: 13px 0 16px; color: #ffd36a; font-size: 22px; letter-spacing: .1em; }
    .rating-card p { margin: 0; color: rgba(255,255,255,.82); font-size: 13px; }
    .rating-caveat { display: block; margin-top: 17px; color: rgba(255,255,255,.68); font-size: 11px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 19px; background: #fff; }
    .compare-table { width: 100%; min-width: 550px; border-collapse: collapse; text-align: left; }
    .compare-table th, .compare-table td { padding: 13px 15px; border-bottom: 1px solid #edf0f6; font-size: 12px; vertical-align: top; }
    .compare-table th { color: #42516b; background: #f4f7fc; font-size: 12px; }
    .compare-table th:nth-child(2) { color: var(--blue-dark); }
    .compare-table tr:last-child td { border-bottom: 0; }
    .compare-table td:first-child { width: 25%; font-weight: 750; }
    .compare-table td { color: #59667c; }
    .compare-table td:nth-child(2) { color: #273f91; font-weight: 650; background: #f8faff; }

    .token-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
    .token-copy p { color: var(--muted); font-size: 14px; }
    .token-points { display: grid; gap: 10px; margin: 19px 0 0; padding: 0; list-style: none; }
    .token-points li { display: flex; gap: 10px; align-items: flex-start; color: #4e5c73; font-size: 13px; }
    .token-points li::before { content: "✓"; display: grid; place-items: center; flex: 0 0 20px; height: 20px; border-radius: 50%; color: #168873; background: #e3f8f1; font-size: 12px; font-weight: 900; }
    .token-card { padding: 24px; border: 1px solid #dce5f4; border-radius: 22px; background: rgba(255,255,255,.88); box-shadow: 0 16px 45px rgba(32,65,130,.07); }
    .token-card h3 { margin-bottom: 15px; font-size: 18px; }
    .token-row { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid #edf0f6; font-size: 13px; }
    .token-row:last-of-type { border-bottom: 0; }
    .token-row span:first-child { color: #506079; font-weight: 700; }
    .token-row span:last-child { color: var(--blue-dark); text-align: right; }
    .token-card > p { margin: 14px 0 0; color: var(--muted); font-size: 11px; }

    .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote-card { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.9); }
    .quote-mark { color: var(--blue); font-size: 27px; font-weight: 900; line-height: 1; }
    .quote-card p { min-height: 73px; margin: 10px 0 17px; color: #53617a; font-size: 13px; }
    .quote-person { display: flex; align-items: center; gap: 10px; }
    .avatar { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; color: #fff; background: linear-gradient(135deg, #37bbd3, #5874ef); font-size: 13px; font-weight: 800; }
    .quote-person strong { display: block; font-size: 12px; }
    .quote-person small { display: block; color: var(--muted); font-size: 10px; }
    .feedback-note { margin: 17px 0 0; color: var(--muted); font-size: 11px; }

    .faq-list { display: grid; gap: 9px; max-width: 900px; margin-inline: auto; }
    .faq-list details { border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.9); transition: border-color .2s ease, box-shadow .2s ease; }
    .faq-list details[open] { border-color: #c7d3ff; box-shadow: 0 9px 24px rgba(49,94,251,.07); }
    .faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 400; line-height: 1; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 0; padding: 0 18px 17px; color: var(--muted); font-size: 13px; }

    .knowledge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .knowledge-panel { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
    .knowledge-panel h3 { margin-bottom: 8px; font-size: 19px; }
    .knowledge-panel p { color: var(--muted); font-size: 13px; }
    .topic-cloud { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 17px; }
    .topic-cloud span { padding: 7px 10px; border: 1px solid #e3e9f3; border-radius: 9px; color: #53617a; background: #f8faff; font-size: 11px; }
    .article-links { display: grid; gap: 0; margin-top: 14px; }
    .article-links a { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 10px 0; border-top: 1px solid #edf0f6; color: #44536c; font-size: 12px; transition: color .2s ease; }
    .article-links a:hover { color: var(--blue-dark); }
    .article-links a span:last-child { color: var(--blue); font-size: 16px; }

    .form-panel {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 36px;
      padding: 30px;
      border: 1px solid #dce5f4;
      border-radius: 25px;
      background: linear-gradient(125deg, #fff 0%, #f2f6ff 65%, #edfbf9 100%);
      box-shadow: var(--shadow);
    }
    .form-intro h2 { font-size: 31px; }
    .form-intro p { color: var(--muted); font-size: 14px; }
    .contact-detail { display: grid; gap: 10px; margin-top: 22px; }
    .contact-detail a { color: #42516a; font-size: 13px; font-weight: 650; }
    .contact-detail a:hover { color: var(--blue-dark); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #3d4b63; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea {
      width: 100%;
      min-width: 0;
      border: 1px solid #dce3ef;
      border-radius: 11px;
      outline: none;
      padding: 11px 12px;
      color: var(--ink);
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #7f99ff; box-shadow: 0 0 0 3px rgba(49,94,251,.1); }
    .field textarea { min-height: 105px; resize: vertical; }
    .form-submit { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
    .form-submit small { color: var(--muted); font-size: 11px; }

    .join-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 25px 28px;
      border: 1px solid #dce5f4;
      border-radius: 20px;
      background: #fff;
    }
    .join-strip h3 { margin: 0 0 5px; font-size: 20px; }
    .join-strip p { margin: 0; color: var(--muted); font-size: 13px; }
    .footer { margin-top: 60px; color: #dfe6f4; background: #182641; }
    .footer-main { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 30px; padding: 38px 0 30px; }
    .footer .brand-copy small { color: #aab6cc; }
    .footer-about p { max-width: 340px; margin: 14px 0 0; color: #b7c3d8; font-size: 12px; }
    .footer h3 { margin: 0 0 12px; color: #fff; font-size: 13px; }
    .footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
    .footer-links a, .footer-contact a { color: #c1cbe0; font-size: 12px; }
    .footer-links a:hover, .footer-contact a:hover { color: #fff; }
    .footer-contact { display: grid; align-content: start; gap: 8px; }
    .friend-links { display: flex; gap: 8px 14px; flex-wrap: wrap; padding: 14px 0 20px; border-top: 1px solid rgba(221,230,244,.14); }
    .friend-links a { color: #c1cbe0; font-size: 11px; }
    .friend-links a:hover { color: #fff; }
    .footer-bottom { padding: 13px 0 16px; border-top: 1px solid rgba(221,230,244,.14); color: #aab6cc; font-size: 11px; }
    .floating-tools { position: fixed; z-index: 60; right: 18px; bottom: 22px; display: grid; justify-items: end; gap: 9px; }
    .float-button { display: inline-flex; align-items: center; gap: 8px; padding: 11px 15px; border: 1px solid #dbe4f5; border-radius: 999px; color: #21345a; background: #fff; box-shadow: 0 8px 28px rgba(26,48,94,.16); font-size: 12px; font-weight: 800; cursor: pointer; transition: transform .2s ease; }
    .float-button:hover { transform: translateY(-2px); }
    .float-button svg { width: 17px; height: 17px; color: var(--blue); }
    .contact-popover { display: none; width: min(280px, calc(100vw - 36px)); padding: 15px; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 15px 44px rgba(22,41,82,.18); }
    .contact-popover.is-open { display: block; animation: rise-in .2s ease-out both; }
    .contact-popover img { display: block; width: 150px; margin: 10px auto; border-radius: 10px; }
    .contact-popover strong { display: block; text-align: center; font-size: 13px; }
    .contact-popover p { margin: 8px 0 0; color: var(--muted); text-align: center; font-size: 11px; }
    .to-top { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #dbe4f5; border-radius: 50%; color: var(--blue-dark); background: #fff; box-shadow: 0 8px 24px rgba(26,48,94,.12); cursor: pointer; }

    .js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
    .js .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes rise-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes float-dot { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
    @keyframes wave { to { transform: scaleY(.55); opacity: .7; } }
    @media (max-width: 990px) {
      .header-inner { gap: 12px; }
      .nav-links a { padding-inline: 8px; font-size: 12px; }
      .brand { min-width: 148px; }
      .nav-cta { display: none; }
      .hero-grid { gap: 30px; }
      .about-layout { gap: 25px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 740px) {
      html { scroll-padding-top: 72px; }
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .brand { min-width: 0; }
      .brand img { width: 38px; max-height: 38px; }
      .brand-copy strong { font-size: 15px; }
      .brand-copy small { font-size: 9px; }
      .menu-toggle { display: inline-flex; }
      .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        padding: 10px 16px 16px;
        border-bottom: 1px solid var(--line);
        background: rgba(250,252,255,.98);
        box-shadow: 0 16px 25px rgba(30, 52, 98, .08);
      }
      .nav-links.is-open { display: grid; grid-template-columns: 1fr 1fr; }
      .nav-links a { padding: 10px 12px; font-size: 13px; }
      .hero { padding: 54px 0 48px; }
      .hero-grid { grid-template-columns: 1fr; gap: 30px; }
      .hero-visual { max-width: 520px; }
      .hero-bottom { margin-top: 30px; }
      .section { padding: 58px 0; }
      .about-layout, .network-panel, .review-layout, .token-layout, .knowledge-grid, .form-panel { grid-template-columns: 1fr; }
      .about-points { gap: 10px; }
      .metrics { grid-template-columns: 1fr 1fr; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 25px 8px; }
      .flow-step:nth-child(2)::after { display: none; }
      .solution-grid { grid-template-columns: 1fr 1fr; }
      .network-tags { justify-content: flex-start; }
      .case-grid { grid-template-columns: 1fr; }
      .case-stack { grid-template-columns: 1fr 1fr; }
      .case-stack .case-image img { aspect-ratio: 16 / 9; }
      .testimonial-grid { grid-template-columns: 1fr 1fr; }
      .quote-card p { min-height: 0; }
      .form-panel { padding: 22px; gap: 20px; }
      .footer-main { grid-template-columns: 1fr 1fr; }
      .footer-about { grid-column: 1 / -1; }
    }
    @media (max-width: 480px) {
      .hero-actions .button { width: 100%; }
      .hero-visual { padding: 13px; border-radius: 22px; }
      .visual-tile { min-height: 102px; padding: 12px; }
      .about-points, .service-grid, .solution-grid, .testimonial-grid, .case-stack { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: 1fr; gap: 19px; }
      .flow-step { display: grid; grid-template-columns: 42px 1fr; column-gap: 13px; padding: 0; }
      .flow-step .number { grid-row: span 2; margin-bottom: 0; }
      .flow-step::after { display: none; }
      .flow-step h3 { margin: 2px 0 3px; }
      .flow-step p { max-width: none; }
      .join-strip { align-items: flex-start; flex-direction: column; padding: 21px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-main { grid-template-columns: 1fr; gap: 24px; }
      .footer-about { grid-column: auto; }
      .footer-links { grid-template-columns: 1fr 1fr; }
      .floating-tools { right: 12px; bottom: 14px; }
      .float-button { padding: 10px 13px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    }