:root {
      --ink: #20243a;
      --muted: #62677b;
      --paper: #fff8f1;
      --surface: #ffffff;
      --line: #eadfd7;
      --orange: #f05a38;
      --orange-dark: #cf3e25;
      --blue: #263e9b;
      --lilac: #ece9ff;
      --mint: #dff5eb;
      --container: 1160px;
      --shadow: 0 18px 45px rgba(51, 43, 62, .09);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      line-height: 1.7;
    }
    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;
      top: 0;
      z-index: 20;
      background: rgba(255, 248, 241, .94);
      border-bottom: 1px solid rgba(234, 223, 215, .85);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
    .brand img { display: block; width: 42px; max-height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; font-weight: 850; letter-spacing: .02em; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: nowrap; }
    .nav-links a { padding: 10px 11px; color: #42465b; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--orange-dark); }
    .nav-links .nav-cta { margin-left: 9px; padding: 10px 17px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 700; }
    .nav-links .nav-cta:hover { background: var(--orange-dark); color: #fff; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 12px; padding: 9px 12px; cursor: pointer; }
    .hero {
      position: relative;
      overflow: hidden;
      padding: clamp(72px, 10vw, 128px) 0 76px;
      background:
        radial-gradient(ellipse at 86% 4%, rgba(255, 118, 70, .17), transparent 32%),
        radial-gradient(ellipse at 5% 83%, rgba(94, 112, 230, .12), transparent 36%),
        linear-gradient(135deg, #fff8f1 0%, #fff3ec 52%, #f7f5ff 100%);
    }
    .hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
    .hero::before { width: 320px; height: 320px; right: -135px; top: 80px; border: 1px solid rgba(240, 90, 56, .18); animation: orbit 18s linear infinite; }
    .hero::after { width: 210px; height: 210px; right: -80px; top: 135px; border: 1px dashed rgba(38, 62, 155, .23); animation: orbit 24s linear infinite reverse; }
    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(260px, .84fr); gap: 52px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px; color: var(--orange-dark); font-size: 13px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 25px; height: 2px; background: currentColor; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 720px; margin-bottom: 20px; font-size: clamp(40px, 6.4vw, 74px); line-height: 1.08; letter-spacing: -.055em; }
    .hero h1 span { color: var(--orange-dark); }
    .hero-copy { max-width: 635px; margin-bottom: 28px; color: #555a70; font-size: clamp(16px, 2vw, 19px); }
    .button-row { display: flex; align-items: center; gap: 13px; flex-wrap: wrap; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 12px 21px; border: 1px solid transparent; border-radius: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(32, 36, 58, .14); }
    .button-primary { background: var(--orange); color: #fff; box-shadow: 0 9px 22px rgba(240, 90, 56, .22); }
    .button-primary:hover { background: var(--orange-dark); }
    .button-secondary { background: #fff; border-color: var(--line); color: var(--ink); }
    .button-dark { background: var(--blue); color: #fff; }
    .hero-note { margin: 18px 0 0; color: #74788a; font-size: 13px; }
    .hero-visual { position: relative; min-height: 310px; display: grid; place-items: center; }
    .orbit-card { width: min(100%, 390px); padding: 25px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; background: rgba(255,255,255,.79); box-shadow: 0 26px 70px rgba(47, 48, 90, .13); transform: rotate(2deg); animation: float 5s ease-in-out infinite; }
    .visual-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 23px; }
    .visual-top strong { font-size: 15px; }
    .live-pill { padding: 5px 10px; border-radius: 999px; background: var(--mint); color: #226044; font-size: 11px; font-weight: 800; }
    .visual-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .visual-tile { min-height: 88px; padding: 14px; border-radius: 17px; background: #f5f3ff; }
    .visual-tile:nth-child(2) { background: #fff0e9; }
    .visual-tile:nth-child(3) { background: #eaf7f0; }
    .visual-tile:nth-child(4) { background: #f8f0dc; }
    .visual-tile b { display: block; margin-bottom: 5px; font-size: 14px; }
    .visual-tile span { color: var(--muted); font-size: 12px; }
    .visual-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    .section { padding: 78px 0; }
    .section-tint { background: linear-gradient(145deg, #fff2eb, #f5f3ff); }
    .section-white { background: #fffdfa; }
    .section-dark { background: var(--ink); color: #fff; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
    .section-head > div { max-width: 690px; }
    .section-kicker { margin-bottom: 10px; color: var(--orange-dark); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
    h2 { margin-bottom: 12px; font-size: clamp(29px, 4vw, 43px); line-height: 1.18; letter-spacing: -.035em; }
    .section-intro { margin-bottom: 0; color: var(--muted); max-width: 720px; }
    .section-dark .section-intro { color: #c7cad8; }
    .capability-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .capability { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.8); }
    .capability b { display: block; margin-bottom: 4px; font-size: 15px; }
    .capability span { color: var(--muted); font-size: 13px; }
    .intro-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 42px; align-items: start; }
    .intro-statement { position: sticky; top: 105px; padding: 27px; border-radius: 24px; background: var(--blue); color: #fff; }
    .intro-statement p { margin-bottom: 0; color: #e5e7ff; }
    .intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .intro-point { padding: 19px 20px; border-left: 3px solid var(--orange); background: rgba(255,255,255,.68); }
    .intro-point h3 { margin-bottom: 7px; font-size: 16px; }
    .intro-point p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .service-card { padding: 23px; border: 1px solid var(--line); border-radius: 20px 20px 20px 6px; background: var(--surface); transition: transform .22s ease, box-shadow .22s ease; }
    .service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
    .service-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 16px; border-radius: 14px; background: #fff0e9; color: var(--orange-dark); font-size: 20px; font-weight: 900; }
    .service-card:nth-child(3n + 2) .service-icon { background: var(--lilac); color: var(--blue); }
    .service-card:nth-child(3n) .service-icon { background: var(--mint); color: #236346; }
    .service-card h3 { margin-bottom: 8px; font-size: 17px; }
    .service-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 13px; color: var(--orange-dark); font-size: 13px; font-weight: 800; }
    .workflow-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 27px; border-radius: 22px; overflow: hidden; background: var(--ink); color: #fff; }
    .workflow-step { position: relative; padding: 25px 22px; }
    .workflow-step + .workflow-step { border-left: 1px solid rgba(255,255,255,.14); }
    .workflow-step span { display: block; margin-bottom: 10px; color: #ff9c7f; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
    .workflow-step b { display: block; margin-bottom: 6px; }
    .workflow-step p { margin-bottom: 0; color: #c7cad8; font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .industry-item { padding: 17px 18px; border: 1px solid rgba(38,62,155,.12); border-radius: 15px; background: rgba(255,255,255,.75); }
    .industry-item b { display: block; margin-bottom: 4px; font-size: 14px; }
    .industry-item span { color: var(--muted); font-size: 12px; }
    .network-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 25px; align-items: stretch; }
    .network-copy { padding: 31px; border-radius: 24px; background: #fff; }
    .network-copy p { color: var(--muted); }
    .model-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .model-tags span { padding: 7px 11px; border: 1px solid #dedcf2; border-radius: 999px; background: #f5f3ff; color: #353c78; font-size: 12px; }
    .network-aside { display: flex; flex-direction: column; justify-content: space-between; gap: 20px; padding: 28px; border-radius: 24px; background: var(--orange); color: #fff; }
    .network-aside p { color: #fff0eb; }
    .network-aside strong { display: block; font-size: 21px; line-height: 1.35; }
    .media-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .media-frame { overflow: hidden; border-radius: 17px; background: #f3eee9; border: 1px solid var(--line); }
    .media-frame img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .35s ease; }
    .media-frame:hover img { transform: scale(1.035); }
    .media-caption { padding: 12px 14px; font-size: 13px; font-weight: 750; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
    .case-card { overflow: hidden; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
    .case-card img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
    .case-body { padding: 20px; }
    .case-label { color: var(--orange-dark); font-size: 12px; font-weight: 850; }
    .case-body h3 { margin: 6px 0 7px; font-size: 17px; }
    .case-body p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .rating-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 24px 0; padding: 24px 27px; border-radius: 20px; background: #fff0e9; }
    .rating-row strong { display: block; font-size: 24px; }
    .rating-row span { color: var(--muted); font-size: 13px; }
    .stars { color: #dc7622; letter-spacing: 4px; font-size: 23px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 720px; text-align: left; }
    th, td { padding: 15px 17px; border-bottom: 1px solid #eee7e2; vertical-align: top; }
    th { background: #f4f1ff; color: #303862; font-size: 13px; }
    td { color: #505569; font-size: 13px; }
    tbody tr:last-child td { border-bottom: 0; }
    td:first-child { color: var(--ink); font-weight: 800; }
    .comparison-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
    .reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 21px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.07); }
    .review p { margin-bottom: 17px; color: #e8e8f0; font-size: 14px; }
    .review b { display: block; color: #fff; font-size: 13px; }
    .review span { color: #bfc2d1; font-size: 12px; }
    .match-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
    .match-copy { padding: 26px; border-radius: 22px; background: var(--lilac); }
    .match-copy p { color: #4e526c; }
    .match-list { margin: 18px 0 0; padding-left: 19px; color: #4e526c; }
    .match-list li + li { margin-top: 8px; }
    .token-panel { padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
    .token-panel h3 { margin-bottom: 9px; }
    .token-panel p { color: var(--muted); font-size: 14px; }
    .token-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
    .token-step { padding: 14px; border-radius: 14px; background: #f8f5f0; }
    .token-step b { display: block; margin-bottom: 4px; font-size: 13px; }
    .token-step span { color: var(--muted); font-size: 12px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
    details { border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    summary { position: relative; padding: 16px 45px 16px 18px; cursor: pointer; list-style: none; font-weight: 750; font-size: 14px; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--orange-dark); font-size: 21px; font-weight: 500; }
    details[open] summary::after { content: "−"; }
    details p { padding: 0 18px 17px; margin: 0; color: var(--muted); font-size: 13px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { display: flex; min-height: 100px; flex-direction: column; justify-content: space-between; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: transform .2s ease; }
    .article-link:hover { transform: translateY(-3px); }
    .article-link b { font-size: 13px; }
    .article-link span { color: var(--orange-dark); font-size: 12px; font-weight: 750; }
    .join-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
    .join-card { padding: 28px; border-radius: 22px; background: var(--blue); color: #fff; }
    .join-card p { color: #e2e4ff; }
    .join-card ul { padding-left: 20px; color: #e2e4ff; }
    .join-card li + li { margin-top: 7px; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #dcd7d2; border-radius: 11px; background: #fffdfa; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(240,90,56,.12); }
    .field textarea { min-height: 112px; resize: vertical; }
    .contact-form .button { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .contact-details { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 16px; color: var(--muted); font-size: 13px; }
    .contact-details a { color: var(--blue); font-weight: 750; }
    .site-footer { padding: 35px 0 24px; background: #f1e9e3; color: #282c40; }
    .footer-main { display: flex; align-items: start; justify-content: space-between; gap: 30px; padding-bottom: 22px; }
    .footer-brand p { max-width: 410px; margin: 12px 0 0; color: #5a5e70; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 9px 17px; max-width: 600px; }
    .footer-links a { color: #3d4257; font-size: 12px; }
    .footer-links a:hover { color: var(--orange-dark); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 15px; padding-top: 16px; border-top: 1px solid #dcd1c9; color: #626678; font-size: 12px; }
    .floating-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; }
    .floating-contact details { width: 180px; border: 0; border-radius: 17px; box-shadow: 0 12px 34px rgba(32,36,58,.18); }
    .floating-contact summary { padding: 13px 40px 13px 16px; background: var(--orange); color: #fff; border-radius: 17px; }
    .floating-contact summary::after { color: #fff; }
    .qr-panel { padding: 13px; text-align: center; }
    .qr-panel img { display: block; width: 132px; margin: 0 auto 8px; border-radius: 9px; }
    .qr-panel p { margin: 0; color: var(--muted); font-size: 12px; }
    .back-top { position: fixed; right: 23px; bottom: 225px; z-index: 14; display: none; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--blue); color: #fff; font-size: 18px; cursor: pointer; box-shadow: 0 8px 20px rgba(38,62,155,.23); }
    .back-top.visible { display: block; }
    .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes float { 0%, 100% { transform: translateY(0) rotate(2deg); } 50% { transform: translateY(-9px) rotate(1deg); } }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @media (max-width: 980px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .hero-grid { gap: 24px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 68px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-links { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 14px 24px rgba(32,36,58,.08); flex-direction: column; align-items: stretch; }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 11px 9px; font-size: 14px; }
      .nav-links .nav-cta { margin: 7px 0 0; text-align: center; }
      .hero { padding: 65px 0 55px; }
      .hero-grid, .intro-layout, .network-layout, .match-layout, .join-layout { grid-template-columns: 1fr; }
      .hero-visual { min-height: 280px; }
      .section { padding: 60px 0; }
      .section-head { display: block; }
      .section-head .button { margin-top: 18px; }
      .capability-strip { grid-template-columns: repeat(2, 1fr); }
      .intro-statement { position: static; }
      .workflow-band { grid-template-columns: 1fr 1fr; }
      .workflow-step:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,.14); }
      .workflow-step:nth-child(4) { border-top: 1px solid rgba(255,255,255,.14); }
      .media-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid, .reviews-grid { grid-template-columns: 1fr 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: repeat(2, 1fr); }
      .footer-main { flex-direction: column; }
    }
    @media (max-width: 500px) {
      .brand-name { font-size: 15px; }
      .hero-visual { min-height: 260px; }
      .orbit-card { padding: 19px; }
      .visual-tile { min-height: 80px; padding: 11px; }
      .service-grid, .intro-points, .case-grid, .reviews-grid { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
      .industry-item { padding: 14px 12px; }
      .rating-row { align-items: flex-start; flex-direction: column; gap: 10px; }
      .token-steps { grid-template-columns: 1fr; }
      .contact-form { grid-template-columns: 1fr; padding: 19px; }
      .field-full { grid-column: auto; }
      .contact-form .button { grid-column: auto; width: 100%; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .article-link { min-height: 92px; padding: 13px; }
      .footer-bottom { flex-direction: column; }
      .floating-contact { right: 12px; bottom: 13px; }
      .back-top { right: 17px; bottom: 210px; }
    }
    @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; }
    }