:root {
      color-scheme: light;
      --ink: #20243b;
      --muted: #626b82;
      --soft: #eef1fb;
      --line: #e3e7f2;
      --paper: #ffffff;
      --violet: #6247e8;
      --blue: #346eea;
      --coral: #ff806e;
      --mint: #29b99a;
      --shadow: 0 16px 46px rgba(48, 56, 105, .09);
      --container: 1160px;
    }

    * { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 90px;
    }

    body {
      margin: 0;
      background:
        radial-gradient(ellipse at 7% 6%, rgba(228, 222, 255, .56), transparent 28rem),
        radial-gradient(ellipse at 96% 32%, rgba(218, 242, 255, .52), transparent 32rem),
        #f8f9ff;
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", 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%; }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .94);
      border-bottom: 1px solid rgba(224, 228, 241, .85);
      backdrop-filter: blur(14px);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex: 0 0 auto;
      color: var(--ink);
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .ai-page-logo {
      display: block;
      width: 42px;
      border-radius: 12px;
    }

    .brand-copy { line-height: 1.2; }
    .brand-copy small {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 10px;
      font-weight: 600;
      letter-spacing: .08em;
    }

    .nav-area {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: nowrap;
    }

    .nav-links a {
      padding: 10px 9px;
      color: #4d556c;
      font-size: 13px;
      white-space: nowrap;
      transition: color .2s ease;
    }

    .nav-links a:hover { color: var(--violet); }

    .header-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border: 0;
      border-radius: 13px;
      background: linear-gradient(110deg, var(--violet), var(--blue));
      box-shadow: 0 9px 22px rgba(87, 81, 220, .2);
      color: #fff;
      font-weight: 750;
      transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
      cursor: pointer;
    }

    .header-cta { min-height: 40px; padding-inline: 15px; font-size: 13px; }
    .button:hover, .header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 13px 28px rgba(87, 81, 220, .27);
      filter: saturate(1.08);
    }

    .button.secondary {
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: none;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: white;
      color: var(--ink);
      cursor: pointer;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: clamp(68px, 9vw, 112px) 0 70px;
      background:
        radial-gradient(circle at 78% 25%, rgba(255, 199, 135, .38), transparent 17rem),
        radial-gradient(circle at 91% 71%, rgba(121, 170, 255, .21), transparent 20rem),
        linear-gradient(135deg, #fff 0%, #f3f1ff 53%, #eff8ff 100%);
      border-bottom: 1px solid rgba(225, 228, 243, .8);
    }

    .hero:before, .hero:after {
      position: absolute;
      content: "";
      pointer-events: none;
      border-radius: 50%;
      filter: blur(1px);
    }

    .hero:before {
      width: 240px;
      height: 240px;
      right: 7%;
      top: 14%;
      border: 1px solid rgba(98, 71, 232, .15);
      box-shadow: 0 0 0 30px rgba(98, 71, 232, .035), 0 0 0 62px rgba(98, 71, 232, .025);
      animation: orbit 15s linear infinite;
    }

    .hero:after {
      width: 12px;
      height: 12px;
      right: 23%;
      top: 30%;
      background: var(--coral);
      box-shadow: 44px 120px 0 #6a8dff, -110px 190px 0 #5ac8ab;
      animation: float 5s ease-in-out infinite;
    }

    .hero-inner { position: relative; z-index: 1; }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--violet);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .11em;
      text-transform: uppercase;
    }

    .eyebrow:before {
      width: 24px;
      height: 2px;
      content: "";
      background: linear-gradient(90deg, var(--coral), var(--violet));
    }

    .hero h1 {
      max-width: 760px;
      margin: 17px 0 16px;
      font-size: clamp(39px, 7vw, 72px);
      line-height: 1.1;
      letter-spacing: -.055em;
    }

    .hero h1 span {
      display: block;
      margin-top: 8px;
      color: #5946dc;
    }

    .hero-lead {
      max-width: 620px;
      margin: 0;
      color: #59627a;
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 29px;
    }

    .hero-note {
      margin-top: 19px;
      color: #697188;
      font-size: 13px;
    }

    .hero-note strong { color: var(--ink); }

    .hero-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 32px;
    }

    .hero-pills span {
      padding: 7px 12px;
      border: 1px solid rgba(98, 71, 232, .13);
      border-radius: 999px;
      background: rgba(255, 255, 255, .72);
      color: #4f5570;
      font-size: 12px;
      font-weight: 650;
    }

    .section {
      padding: 78px 0;
    }

    .section.compact { padding: 58px 0; }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 29px;
    }

    .section-heading { max-width: 700px; }
    .section-kicker {
      margin: 0 0 8px;
      color: var(--violet);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
    }

    .section h2 {
      margin: 0;
      font-size: clamp(27px, 4vw, 40px);
      line-height: 1.2;
      letter-spacing: -.04em;
    }

    .section-intro {
      max-width: 700px;
      margin: 12px 0 0;
      color: var(--muted);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--violet);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      align-items: start;
      gap: 24px;
    }

    .intro-panel {
      padding: clamp(25px, 4vw, 40px);
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255, 255, 255, .87);
      box-shadow: var(--shadow);
    }

    .intro-panel h3 { margin: 0 0 12px; font-size: 23px; }
    .intro-panel p { margin: 0; color: var(--muted); }
    .intro-aside {
      padding: 27px;
      border-radius: 22px;
      background: linear-gradient(145deg, #5b4bd8, #428ce9 75%, #54c4c1);
      color: #fff;
      box-shadow: 0 18px 36px rgba(74, 101, 205, .2);
    }

    .intro-aside h3 { margin: 0 0 10px; font-size: 19px; }
    .intro-aside p { margin: 0; color: rgba(255, 255, 255, .9); font-size: 14px; }
    .intro-aside .button {
      margin-top: 19px;
      color: #332a79;
      background: #fff;
      box-shadow: none;
    }

    .capability-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 13px;
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
    }

    .capability-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 13px;
      border-radius: 14px;
      background: #f5f6fc;
      color: #49516a;
      font-size: 13px;
    }

    .check {
      display: inline-grid;
      width: 20px;
      height: 20px;
      flex: 0 0 20px;
      place-items: center;
      border-radius: 50%;
      background: #e8e4ff;
      color: var(--violet);
      font-size: 12px;
      font-weight: 900;
    }

    .services-section {
      background: linear-gradient(180deg, rgba(236, 240, 255, .76), rgba(248, 249, 255, .2));
      border-block: 1px solid rgba(225, 228, 243, .8);
    }

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

    .service-card {
      position: relative;
      overflow: hidden;
      padding: 23px;
      border: 1px solid rgba(226, 229, 242, .9);
      border-radius: 20px;
      background: rgba(255, 255, 255, .94);
      box-shadow: 0 9px 26px rgba(43, 52, 99, .045);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(98, 71, 232, .3);
      box-shadow: 0 16px 35px rgba(48, 56, 105, .11);
    }

    .service-icon {
      display: grid;
      width: 42px;
      height: 42px;
      margin-bottom: 17px;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(140deg, #ece8ff, #e7f5ff);
      color: #5645d2;
      font-size: 19px;
      font-weight: 850;
    }

    .service-card h3 { margin: 0 0 8px; font-size: 17px; }
    .service-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-card .mini-link {
      display: inline-block;
      margin-top: 14px;
      color: var(--violet);
      font-size: 13px;
      font-weight: 750;
    }

    .workflow-band {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: white;
      box-shadow: var(--shadow);
    }

    .workflow-step {
      position: relative;
      padding: 26px 23px;
    }

    .workflow-step + .workflow-step { border-left: 1px solid var(--line); }
    .workflow-step .step-no {
      color: #8c83df;
      font-size: 12px;
      font-weight: 850;
      letter-spacing: .12em;
    }

    .workflow-step h3 { margin: 7px 0 7px; font-size: 17px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 13px; }

    .platform-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 22px;
    }

    .platform-strip span {
      padding: 8px 12px;
      border: 1px solid #e4e7f2;
      border-radius: 999px;
      background: #fff;
      color: #4c536a;
      font-size: 12px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .scenario-main {
      padding: 28px;
      border-radius: 23px;
      background: #fff;
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
    }

    .scenario-main h3 { margin: 0 0 10px; font-size: 21px; }
    .scenario-main p { margin: 0; color: var(--muted); }
    .scenario-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 21px;
    }

    .scenario-tags span {
      padding: 8px 11px;
      border-radius: 10px;
      background: #f0efff;
      color: #5547b9;
      font-size: 12px;
      font-weight: 700;
    }

    .scenario-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
      padding: 28px;
      border-radius: 23px;
      background: linear-gradient(145deg, #fff0e9, #fff 58%, #edf7ff);
      border: 1px solid #f0e5e5;
    }

    .scenario-side h3 { margin: 0 0 9px; font-size: 20px; }
    .scenario-side p { margin: 0; color: var(--muted); }
    .scenario-side strong { color: #cb624c; }

    .image-gallery {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 16px;
      align-items: start;
    }

    .gallery-column {
      display: grid;
      gap: 16px;
    }

    .media-frame {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 12px 28px rgba(43, 52, 99, .07);
    }

    .media-frame img {
      display: block;
      width: 100%;
      height: auto;
      object-fit: contain;
    }

    .media-caption {
      padding: 13px 16px;
      color: #525b74;
      font-size: 13px;
    }

    .reviews-section {
      background: linear-gradient(130deg, rgba(238, 235, 255, .7), rgba(235, 247, 255, .65));
      border-block: 1px solid rgba(225, 228, 243, .9);
    }

    .review-note {
      margin: -10px 0 24px;
      color: #687088;
      font-size: 13px;
    }

    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 15px;
    }

    .review-card {
      padding: 22px;
      border: 1px solid rgba(226, 229, 242, .95);
      border-radius: 18px;
      background: #fff;
    }

    .review-card blockquote {
      margin: 0;
      color: #454d64;
      font-size: 14px;
    }

    .review-person {
      display: flex;
      align-items: center;
      gap: 11px;
      margin-top: 18px;
    }

    .avatar {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border-radius: 13px;
      background: linear-gradient(145deg, #eee9ff, #e7f6ff);
      color: #5547bd;
      font-weight: 800;
    }

    .review-person strong { display: block; font-size: 13px; }
    .review-person span { display: block; color: var(--muted); font-size: 11px; }

    .compare-wrap {
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .compare-table {
      width: 100%;
      min-width: 740px;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th, .compare-table td {
      padding: 15px 17px;
      border-bottom: 1px solid #edf0f6;
      vertical-align: top;
      font-size: 13px;
    }

    .compare-table thead th {
      background: #f1efff;
      color: #403a7a;
      font-size: 13px;
    }

    .compare-table tbody tr:last-child td { border-bottom: 0; }
    .compare-table td:first-child { color: #353c52; font-weight: 750; }
    .compare-table td:nth-child(2) { color: var(--muted); }
    .compare-table td:last-child { color: #3c4181; font-weight: 650; }

    .compare-summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 19px;
      padding: 18px 21px;
      border-radius: 16px;
      background: linear-gradient(100deg, #e9e5ff, #e6f5ff);
    }

    .compare-summary p { margin: 0; color: #434a65; font-size: 14px; }
    .compare-summary strong { color: #5143c6; }

    .token-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
    }

    .token-copy {
      padding: 27px;
      border-radius: 22px;
      background: linear-gradient(150deg, #292957, #3d4f9f);
      color: #fff;
    }

    .token-copy h3 { margin: 0 0 10px; font-size: 22px; }
    .token-copy p { margin: 0; color: rgba(255, 255, 255, .83); }
    .token-copy .small-print { margin-top: 17px; color: rgba(255, 255, 255, .7); font-size: 12px; }

    .token-points {
      display: grid;
      gap: 12px;
    }

    .token-point {
      display: flex;
      gap: 14px;
      padding: 17px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fff;
    }

    .token-point b {
      display: grid;
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      place-items: center;
      border-radius: 11px;
      background: #f0edff;
      color: var(--violet);
    }

    .token-point strong { display: block; font-size: 14px; }
    .token-point span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }

    .network-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .network-item {
      padding: 22px;
      border-top: 3px solid #8d7df1;
      border-radius: 4px 16px 16px 16px;
      background: #fff;
      box-shadow: 0 8px 23px rgba(43, 52, 99, .05);
    }

    .network-item:nth-child(2) { border-color: #ff987c; }
    .network-item:nth-child(3) { border-color: #51bca9; }
    .network-item h3 { margin: 0 0 7px; font-size: 16px; }
    .network-item p { margin: 0; color: var(--muted); font-size: 13px; }

    .partner-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      padding: clamp(25px, 4vw, 42px);
      border: 1px solid rgba(113, 99, 227, .17);
      border-radius: 24px;
      background:
        radial-gradient(circle at 92% 15%, rgba(255, 188, 134, .24), transparent 16rem),
        linear-gradient(120deg, #fff, #f1efff 65%, #edf8ff);
      box-shadow: var(--shadow);
    }

    .partner-panel h3 { margin: 0 0 9px; font-size: 23px; }
    .partner-panel p { max-width: 700px; margin: 0; color: var(--muted); }

    .faq-list {
      display: grid;
      gap: 10px;
      max-width: 900px;
    }

    .faq-list details {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .faq-list details[open] {
      border-color: rgba(98, 71, 232, .34);
      box-shadow: 0 9px 22px rgba(48, 56, 105, .055);
    }

    .faq-list summary {
      position: relative;
      padding: 17px 48px 17px 19px;
      color: #30364c;
      font-weight: 750;
      font-size: 14px;
      cursor: pointer;
      list-style: none;
    }

    .faq-list summary::-webkit-details-marker { display: none; }

    .faq-list summary:after {
      position: absolute;
      top: 50%;
      right: 19px;
      content: "+";
      color: var(--violet);
      font-size: 22px;
      font-weight: 500;
      transform: translateY(-50%);
    }

    .faq-list details[open] summary:after { content: "−"; }
    .faq-answer { padding: 0 19px 18px; color: var(--muted); font-size: 13px; }
    .faq-answer p { margin: 0; }

    .resource-panel {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
    }

    .resource-block {
      padding: 25px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: #fff;
    }

    .resource-block h3 { margin: 0 0 8px; font-size: 18px; }
    .resource-block p { margin: 0; color: var(--muted); font-size: 13px; }
    .resource-links {
      display: grid;
      gap: 9px;
      margin-top: 17px;
    }

    .resource-links a {
      display: flex;
      justify-content: space-between;
      gap: 15px;
      padding: 11px 13px;
      border-radius: 11px;
      background: #f5f6fb;
      color: #4b5268;
      font-size: 13px;
      transition: background .2s ease, color .2s ease;
    }

    .resource-links a:hover { background: #efedff; color: var(--violet); }

    .contact-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .contact-card {
      padding: 27px;
      border-radius: 22px;
      background: linear-gradient(145deg, #f0edff, #eaf7ff);
      border: 1px solid #e4e5f5;
    }

    .contact-card h3 { margin: 0 0 8px; font-size: 21px; }
    .contact-card > p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }

    .contact-list {
      display: grid;
      gap: 11px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .contact-list li { color: #49516a; font-size: 13px; }
    .contact-list strong { color: var(--ink); }

    .qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 23px;
      padding: 13px;
      border-radius: 15px;
      background: rgba(255, 255, 255, .8);
    }

    .qr-wrap img {
      display: block;
      width: 94px;
      height: auto;
      border-radius: 9px;
    }

    .qr-wrap strong { display: block; font-size: 13px; }
    .qr-wrap span { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }

    .form-panel {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .form-panel h3 { margin: 0 0 7px; font-size: 21px; }
    .form-panel > p { margin: 0 0 21px; color: var(--muted); font-size: 13px; }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #414961; font-size: 12px; font-weight: 750; }

    .field input, .field select, .field textarea {
      width: 100%;
      min-height: 45px;
      padding: 10px 12px;
      border: 1px solid #dfe3ee;
      border-radius: 11px;
      outline: none;
      background: #fbfcff;
      color: var(--ink);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: #8f80eb;
      box-shadow: 0 0 0 3px rgba(98, 71, 232, .11);
    }

    .form-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 13px;
      margin-top: 17px;
    }

    .form-hint { color: #778097; font-size: 11px; }

    .site-footer {
      margin-top: 0;
      padding: 34px 0 24px;
      border-top: 1px solid #e1e5f0;
      background: #eff1fa;
      color: #333a50;
    }

    .footer-main {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 30px;
      padding-bottom: 23px;
    }

    .footer-brand { max-width: 350px; }
    .footer-brand p { margin: 12px 0 0; color: #626b80; font-size: 13px; }
    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 8px 17px;
      max-width: 670px;
    }

    .footer-links a { color: #4d566e; font-size: 12px; }
    .footer-links a:hover { color: var(--violet); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 15px;
      padding-top: 17px;
      border-top: 1px solid #dce1ed;
      color: #697187;
      font-size: 11px;
    }

    .floating-help {
      position: fixed;
      z-index: 40;
      right: 18px;
      bottom: 20px;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 12px 16px;
      border-radius: 999px;
      background: #fff;
      box-shadow: 0 10px 30px rgba(37, 46, 92, .18);
      color: #4e42c4;
      font-size: 13px;
      font-weight: 800;
      transition: transform .2s ease;
    }

    .floating-help:hover { transform: translateY(-3px); }

    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity .65s ease, transform .65s ease;
    }

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

    @keyframes orbit {
      to { transform: rotate(360deg); }
    }

    @keyframes float {
      50% { transform: translateY(-10px); }
    }

    @media (max-width: 1020px) {
      .nav-links a { padding-inline: 6px; font-size: 12px; }
      .nav-area { gap: 8px; }
      .header-cta { padding-inline: 12px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 820px) {
      .header-inner { min-height: 68px; }
      .menu-toggle { display: inline-flex; }
      .nav-area {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        display: none;
        align-items: stretch;
        padding: 12px 20px 18px;
        border-bottom: 1px solid var(--line);
        background: #fff;
        box-shadow: 0 18px 24px rgba(40, 49, 90, .08);
      }

      .nav-area.is-open { display: flex; flex-direction: column; }
      .nav-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .nav-links a { padding: 10px 8px; font-size: 14px; }
      .header-cta { align-self: flex-start; }
      .intro-grid, .scenario-grid, .token-grid, .resource-panel, .contact-layout { grid-template-columns: 1fr; }
      .workflow-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .workflow-step:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .workflow-step:nth-child(4) { border-top: 1px solid var(--line); }
      .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .partner-panel { align-items: flex-start; flex-direction: column; }
      .footer-main { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }

    @media (max-width: 580px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero { padding: 61px 0 54px; }
      .hero:before { right: -105px; top: 17%; }
      .hero:after { right: 17%; top: 21%; }
      .section { padding: 58px 0; }
      .section.compact { padding: 46px 0; }
      .section-head { align-items: flex-start; flex-direction: column; gap: 14px; }
      .service-grid, .review-grid, .network-grid { grid-template-columns: 1fr; }
      .capability-list { grid-template-columns: 1fr; }
      .workflow-band { grid-template-columns: 1fr; }
      .workflow-step + .workflow-step { border-left: 0; border-top: 1px solid var(--line); }
      .workflow-step:nth-child(3) { border-top: 1px solid var(--line); }
      .image-gallery { grid-template-columns: 1fr; }
      .gallery-column { grid-template-columns: 1fr; }
      .compare-summary { align-items: flex-start; flex-direction: column; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-bottom { flex-direction: column; }
      .floating-help { right: 12px; bottom: 13px; padding: 11px 14px; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *:before, *:after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }

      .reveal { opacity: 1; transform: none; }
    }