:root {
      color-scheme: light;
      --ink: #20243b;
      --muted: #626983;
      --soft: #f8f9ff;
      --paper: #ffffff;
      --line: #e5e8f3;
      --purple: #6445dc;
      --purple-deep: #4930b5;
      --cyan: #18b9c8;
      --pink: #e94e9b;
      --lime: #b7db4b;
      --container: 1160px;
      --shadow: 0 18px 48px rgba(41, 39, 93, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      background:
        radial-gradient(ellipse at 84% 5%, rgba(198, 188, 255, .24), transparent 30rem),
        linear-gradient(180deg, #fbfbff 0%, #f6f8ff 42%, #fbfbff 100%);
      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;
      z-index: 20;
      top: 0;
      background: rgba(250, 250, 255, .92);
      border-bottom: 1px solid rgba(220, 223, 241, .85);
      backdrop-filter: blur(16px);
    }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      min-width: 190px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-weight: 800;
      letter-spacing: -.03em;
    }
    .ai-page-logo { width: 42px; height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; }
    .brand-name small {
      display: block;
      margin-top: -2px;
      color: var(--muted);
      font-size: 10px;
      font-weight: 600;
      letter-spacing: .1em;
    }
    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0;
    }
    .nav-links a {
      padding: 9px 10px;
      border-radius: 9px;
      color: #51566d;
      font-size: 13px;
      white-space: nowrap;
      transition: background .2s ease, color .2s ease;
    }
    .nav-links a:hover, .nav-links a:focus-visible { background: #efedff; color: var(--purple-deep); }
    .nav-links .nav-cta {
      margin-left: 8px;
      padding: 10px 16px;
      background: var(--purple);
      color: #fff;
      font-weight: 750;
    }
    .menu-toggle {
      display: none;
      border: 1px solid var(--line);
      border-radius: 11px;
      background: #fff;
      color: var(--ink);
      padding: 8px 12px;
      cursor: pointer;
    }
    main { overflow: clip; }
    .hero {
      position: relative;
      padding: 82px 0 64px;
      overflow: hidden;
      isolation: isolate;
    }
    .hero::before, .hero::after {
      position: absolute;
      z-index: -1;
      content: "";
      border-radius: 50%;
      filter: blur(2px);
      pointer-events: none;
    }
    .hero::before {
      width: 420px;
      height: 420px;
      top: -205px;
      right: 4%;
      background: radial-gradient(circle, rgba(131, 108, 255, .2), rgba(131, 108, 255, 0) 70%);
      animation: floatGlow 8s ease-in-out infinite alternate;
    }
    .hero::after {
      width: 310px;
      height: 310px;
      left: -180px;
      bottom: -145px;
      background: radial-gradient(circle, rgba(31, 206, 211, .18), rgba(31, 206, 211, 0) 72%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr);
      align-items: center;
      gap: 42px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 20px;
      color: var(--purple-deep);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .14em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      width: 25px;
      height: 2px;
      border-radius: 2px;
      background: linear-gradient(90deg, var(--cyan), var(--pink));
      content: "";
    }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 740px;
      margin-bottom: 20px;
      font-size: clamp(40px, 6.2vw, 72px);
      line-height: 1.08;
      letter-spacing: -.065em;
    }
    .gradient-word { color: var(--purple); }
    .hero-copy {
      max-width: 650px;
      margin-bottom: 28px;
      color: #555b74;
      font-size: clamp(16px, 1.7vw, 19px);
    }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
    .button {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 12px 19px;
      border: 1px solid transparent;
      border-radius: 13px;
      font-weight: 750;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor: pointer;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary {
      color: #fff;
      background: linear-gradient(110deg, #6142db, #8c54e7);
      box-shadow: 0 10px 24px rgba(100, 69, 220, .24);
    }
    .button-primary:hover { box-shadow: 0 14px 28px rgba(100, 69, 220, .31); }
    .button-secondary {
      border-color: #d9d8ed;
      background: rgba(255,255,255,.8);
      color: var(--ink);
    }
    .button-secondary:hover { background: #fff; }
    .hero-footnote { margin: 17px 0 0; color: #7a7f94; font-size: 12px; }
    .hero-panel {
      position: relative;
      padding: 25px;
      border: 1px solid rgba(220, 219, 247, .9);
      border-radius: 24px;
      background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(242,241,255,.94));
      box-shadow: 0 24px 65px rgba(67, 54, 140, .12);
      animation: riseIn .7s both;
    }
    .panel-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .panel-top strong { font-size: 15px; }
    .live-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #53667b;
      font-size: 11px;
    }
    .live-dot::before {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #27bb8a;
      box-shadow: 0 0 0 4px rgba(39, 187, 138, .12);
      content: "";
    }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
    .model-pill {
      padding: 7px 10px;
      border: 1px solid #e6e4f7;
      border-radius: 9px;
      background: #fff;
      color: #55516d;
      font-size: 11px;
      font-weight: 700;
    }
    .model-pill:nth-child(3n + 1) { border-color: #d9f0f1; color: #16838c; }
    .model-pill:nth-child(3n + 2) { border-color: #f4dfeb; color: #ab4274; }
    .panel-bottom {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      padding-top: 17px;
      border-top: 1px solid #e9e7f4;
    }
    .panel-stat { padding: 11px 12px; border-radius: 12px; background: rgba(255,255,255,.72); }
    .panel-stat strong { display: block; font-size: 14px; }
    .panel-stat span { color: var(--muted); font-size: 11px; }
    .ticker {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 22px;
      align-items: center;
      padding: 17px 0;
      border-top: 1px solid rgba(223, 225, 241, .8);
      border-bottom: 1px solid rgba(223, 225, 241, .8);
      color: #73788e;
      font-size: 12px;
    }
    .ticker strong { color: var(--ink); font-size: 12px; }
    .ticker span { white-space: nowrap; }
    .section { padding: 78px 0; }
    .section-tinted {
      position: relative;
      background: linear-gradient(135deg, rgba(242, 241, 255, .82), rgba(240, 253, 252, .64));
      border-top: 1px solid rgba(229, 230, 245, .8);
      border-bottom: 1px solid rgba(229, 230, 245, .8);
    }
    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }
    .section-heading > div { max-width: 720px; }
    .section-kicker {
      margin-bottom: 8px;
      color: var(--purple);
      font-size: 11px;
      font-weight: 800;
      letter-spacing: .16em;
      text-transform: uppercase;
    }
    h2 {
      margin-bottom: 9px;
      font-size: clamp(27px, 4vw, 42px);
      line-height: 1.18;
      letter-spacing: -.045em;
    }
    .section-intro { margin-bottom: 0; color: var(--muted); font-size: 15px; }
    .text-link { color: var(--purple-deep); font-size: 13px; font-weight: 750; white-space: nowrap; }
    .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
    .metrics {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 36px;
    }
    .metric {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: rgba(255,255,255,.82);
    }
    .metric strong { display: block; margin-bottom: 5px; font-size: 17px; }
    .metric span { color: var(--muted); font-size: 12px; }
    .intro-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 42px; align-items: start; }
    .intro-copy { max-width: 650px; color: #545a72; font-size: 15px; }
    .intro-copy p:last-child { margin-bottom: 0; }
    .intro-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .intro-item {
      padding: 16px;
      border-left: 3px solid var(--cyan);
      border-radius: 0 12px 12px 0;
      background: #fff;
      box-shadow: 0 8px 24px rgba(46, 52, 99, .045);
    }
    .intro-item:nth-child(2n) { border-left-color: var(--pink); }
    .intro-item strong { display: block; margin-bottom: 4px; font-size: 13px; }
    .intro-item span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .service-card {
      position: relative;
      padding: 22px;
      border: 1px solid #e7e8f2;
      border-radius: 17px;
      background: rgba(255,255,255,.92);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .service-card:hover { transform: translateY(-4px); border-color: #d1c8fa; box-shadow: var(--shadow); }
    .service-icon {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      margin-bottom: 16px;
      border-radius: 12px;
      background: linear-gradient(135deg, #eeeaff, #e5fbfa);
      color: var(--purple-deep);
      font-size: 18px;
      font-weight: 800;
    }
    .service-card h3 { margin-bottom: 7px; font-size: 17px; }
    .service-card p { margin-bottom: 13px; color: var(--muted); font-size: 13px; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
    .tag {
      display: inline-block;
      padding: 4px 8px;
      border-radius: 7px;
      background: #f2f2fa;
      color: #646982;
      font-size: 10px;
    }
    .workflow {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0;
      counter-reset: step;
    }
    .workflow-step {
      position: relative;
      padding: 20px 22px 20px 0;
      counter-increment: step;
    }
    .workflow-step:not(:last-child)::after {
      position: absolute;
      top: 37px;
      right: 16px;
      left: 64px;
      height: 1px;
      background: linear-gradient(90deg, #a89cf0, #d4d8ee);
      content: "";
    }
    .step-number {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      margin-bottom: 16px;
      border: 1px solid #dcd7ff;
      border-radius: 50%;
      background: #fff;
      color: var(--purple-deep);
      font-size: 12px;
      font-weight: 800;
    }
    .step-number::before { content: "0" counter(step); }
    .workflow-step h3 { margin-bottom: 5px; font-size: 15px; }
    .workflow-step p { max-width: 230px; margin-bottom: 0; color: var(--muted); font-size: 12px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
    .industry {
      min-height: 140px;
      padding: 17px;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: #fff;
    }
    .industry h3 { margin-bottom: 7px; font-size: 14px; }
    .industry p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
    .service-network {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }
    .network-copy {
      padding: 28px;
      border-radius: 20px;
      background: linear-gradient(135deg, #eceaff, #e8fbf9);
    }
    .network-copy h3 { margin-bottom: 10px; font-size: 21px; }
    .network-copy p { margin-bottom: 18px; color: #555b72; font-size: 14px; }
    .network-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .network-list span {
      padding: 10px 12px;
      border: 1px solid rgba(255,255,255,.9);
      border-radius: 10px;
      background: rgba(255,255,255,.7);
      color: #484e66;
      font-size: 12px;
    }
    .network-aside {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: #fff;
    }
    .network-aside strong { margin-bottom: 8px; font-size: 16px; }
    .network-aside p { margin-bottom: 17px; color: var(--muted); font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
    .case-card {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 17px;
      background: #fff;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .case-image { overflow: hidden; aspect-ratio: 16 / 9; background: #eeeff6; }
    .case-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .case-copy { padding: 18px; }
    .case-copy h3 { margin-bottom: 6px; font-size: 15px; }
    .case-copy p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
    .showcase-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 17px; }
    .showcase-extra figure {
      margin: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: #fff;
    }
    .showcase-extra img { display: block; width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
    .showcase-extra figcaption { padding: 10px 14px; color: var(--muted); font-size: 12px; }
    .score-panel {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 30px;
      align-items: center;
      margin-bottom: 22px;
      padding: 25px;
      border: 1px solid #ded8ff;
      border-radius: 19px;
      background: linear-gradient(110deg, #f0edff, #f0fcfb);
    }
    .score-number { color: var(--purple-deep); font-size: 46px; font-weight: 850; line-height: 1; letter-spacing: -.06em; }
    .score-number small { color: #777b91; font-size: 16px; font-weight: 650; letter-spacing: 0; }
    .stars { margin-top: 9px; color: #e99c32; font-size: 18px; letter-spacing: 3px; }
    .score-panel p { margin: 0; color: #565c73; font-size: 14px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
    .comparison-table { width: 100%; min-width: 670px; border-collapse: collapse; text-align: left; }
    .comparison-table th, .comparison-table td { padding: 14px 17px; border-bottom: 1px solid #eceef5; font-size: 12px; vertical-align: top; }
    .comparison-table th { background: #f5f4ff; color: #4d4d70; font-size: 12px; }
    .comparison-table tr:last-child td { border-bottom: 0; }
    .comparison-table td:first-child { color: var(--ink); font-weight: 750; }
    .comparison-table td:nth-child(2) { color: #4f3bb4; font-weight: 650; }
    .table-note { margin: 10px 2px 0; color: #74798e; font-size: 11px; }
    .token-layout { display: grid; grid-template-columns: 1fr .82fr; gap: 22px; align-items: start; }
    .token-copy { padding: 26px; border-radius: 18px; background: #252341; color: #fff; }
    .token-copy h3 { margin-bottom: 9px; font-size: 20px; }
    .token-copy p { margin-bottom: 0; color: #dbdaed; font-size: 13px; }
    .token-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .token-point { padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
    .token-point strong { display: block; margin-bottom: 4px; font-size: 13px; }
    .token-point span { color: var(--muted); font-size: 11px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
    details.faq-item { align-self: start; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
    .faq-item summary {
      position: relative;
      padding: 15px 42px 15px 16px;
      color: var(--ink);
      font-size: 13px;
      font-weight: 750;
      list-style: none;
      cursor: pointer;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      position: absolute;
      top: 13px;
      right: 16px;
      color: var(--purple);
      content: "+";
      font-size: 20px;
      font-weight: 400;
      transition: transform .2s ease;
    }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-answer { padding: 0 16px 16px; color: var(--muted); font-size: 12px; }
    .faq-answer p { margin: 0; }
    .review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
    .review-card { padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    .review-card blockquote { margin: 0 0 15px; color: #4d536b; font-size: 13px; }
    .review-person { display: flex; align-items: center; gap: 10px; }
    .avatar {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      border-radius: 50%;
      background: linear-gradient(135deg, #e9e2ff, #dcf6f2);
      color: var(--purple-deep);
      font-size: 12px;
      font-weight: 800;
    }
    .review-person strong { display: block; font-size: 12px; }
    .review-person span { color: var(--muted); font-size: 10px; }
    .dictionary { display: flex; flex-wrap: wrap; gap: 9px; }
    .dictionary a {
      padding: 9px 13px;
      border: 1px solid #e2e3ef;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      color: #555b73;
      font-size: 12px;
      transition: color .2s ease, border-color .2s ease, background .2s ease;
    }
    .dictionary a:hover { border-color: #bcb1f1; background: #f3f0ff; color: var(--purple-deep); }
    .article-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
    .article-link {
      display: flex;
      min-height: 108px;
      flex-direction: column;
      justify-content: space-between;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .article-link:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(42, 47, 92, .08); }
    .article-link strong { font-size: 13px; line-height: 1.5; }
    .article-link span { color: var(--purple-deep); font-size: 11px; font-weight: 700; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
    .match-copy { padding: 26px; border-radius: 18px; background: linear-gradient(145deg, #ece9ff, #e7fbf7); }
    .match-copy h3 { margin-bottom: 9px; font-size: 21px; }
    .match-copy p { margin-bottom: 15px; color: #555b72; font-size: 13px; }
    .match-copy ul { margin: 0; padding-left: 19px; color: #545a70; font-size: 12px; }
    .match-copy li + li { margin-top: 7px; }
    .form-panel { padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { color: #454b63; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea {
      width: 100%;
      border: 1px solid #dfe2ee;
      border-radius: 10px;
      outline: none;
      background: #fbfcff;
      color: var(--ink);
      padding: 11px 12px;
      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: #8c7be7; box-shadow: 0 0 0 3px rgba(100,69,220,.1); }
    .form-note { margin: 12px 0 0; color: #7a7f92; font-size: 10px; }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
    .contact-info, .qr-panel { padding: 23px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
    .contact-info h3, .qr-panel h3 { margin-bottom: 13px; font-size: 16px; }
    .contact-lines { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .contact-line { padding: 12px; border-radius: 11px; background: #f5f6fc; }
    .contact-line span { display: block; color: var(--muted); font-size: 10px; }
    .contact-line strong { overflow-wrap: anywhere; font-size: 12px; }
    .qr-panel { display: flex; align-items: center; gap: 18px; }
    .qr-image { flex: 0 0 112px; width: 112px; }
    .qr-image img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 9px; }
    .qr-panel p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
    .join-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 25px 28px;
      border: 1px solid #dfdcf6;
      border-radius: 18px;
      background: linear-gradient(100deg, #efedff, #eafbf8);
    }
    .join-banner h3 { margin-bottom: 5px; font-size: 19px; }
    .join-banner p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
    .friend-links { display: flex; flex-wrap: wrap; gap: 8px 17px; margin-top: 25px; }
    .friend-links a { color: #555b73; font-size: 11px; }
    .friend-links a:hover { color: var(--purple-deep); text-decoration: underline; text-underline-offset: 3px; }
    .site-footer {
      margin-top: 0;
      padding: 23px 0;
      border-top: 1px solid #e2e4ef;
      background: #f2f3fa;
      color: #4d5268;
    }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
    .footer-inner p { margin: 0; font-size: 11px; }
    .footer-inner a { color: #4930b5; }
    .floating-contact {
      position: fixed;
      z-index: 18;
      right: max(18px, calc((100vw - var(--container)) / 2 - 70px));
      bottom: 23px;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }
    .floating-contact a, .back-top {
      display: grid;
      min-width: 48px;
      min-height: 44px;
      place-items: center;
      padding: 8px 11px;
      border: 1px solid rgba(219, 216, 243, .9);
      border-radius: 13px;
      background: rgba(255,255,255,.95);
      color: var(--purple-deep);
      box-shadow: 0 8px 24px rgba(42, 39, 91, .12);
      font-size: 11px;
      font-weight: 800;
      transition: transform .2s ease, background .2s ease;
    }
    .floating-contact a:hover, .back-top:hover { transform: translateY(-2px); background: #f0edff; }
    .back-top { display: none; cursor: pointer; }
    .back-top.is-visible { display: grid; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes floatGlow { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-18px, 18px, 0); } }
    @keyframes riseIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

    @media (max-width: 1040px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .brand { min-width: 170px; }
      .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .article-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }
    @media (max-width: 780px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 8px; }
      .nav-links {
        position: absolute;
        top: calc(100% + 1px);
        right: 16px;
        left: 16px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 0 0 15px 15px;
        background: #fff;
        box-shadow: 0 15px 30px rgba(30, 32, 73, .12);
      }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 11px 12px; font-size: 14px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero { padding: 58px 0 44px; }
      .hero-grid { grid-template-columns: 1fr; gap: 28px; }
      .hero-panel { max-width: 560px; }
      .section { padding: 60px 0; }
      .section-heading { align-items: start; flex-direction: column; gap: 10px; }
      .intro-layout, .service-network, .token-layout, .match-layout { grid-template-columns: 1fr; gap: 20px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .workflow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
      .workflow-step:not(:last-child)::after { display: none; }
      .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .score-panel { grid-template-columns: 1fr; gap: 14px; }
      .faq-list { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .contact-grid { grid-template-columns: 1fr; }
      .floating-contact { right: 12px; bottom: 12px; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .brand { min-width: auto; }
      .brand-name { font-size: 15px; }
      .ai-page-logo { width: 36px; height: 36px; }
      h1 { font-size: clamp(38px, 11vw, 52px); }
      .hero-actions .button { flex: 1 1 auto; }
      .ticker { gap: 8px 14px; }
      .metrics { grid-template-columns: 1fr 1fr; gap: 9px; }
      .metric { padding: 15px; }
      .intro-list, .service-grid, .industry-grid, .case-grid, .showcase-extra, .token-points, .review-grid, .contact-lines { grid-template-columns: 1fr; }
      .industry { min-height: 0; }
      .workflow { grid-template-columns: 1fr 1fr; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .article-link { min-height: 100px; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .join-banner { align-items: flex-start; flex-direction: column; padding: 22px; }
      .qr-panel { align-items: flex-start; }
      .footer-inner { align-items: flex-start; flex-direction: column; }
      .floating-contact a { min-width: 42px; min-height: 40px; padding: 7px; font-size: 10px; }
    }
    @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; }
    }