:root {
      color-scheme: light;
      --ink: #20251f;
      --muted: #60685f;
      --paper: #fffdf8;
      --white: #ffffff;
      --line: #e7e6dc;
      --green: #c9f36b;
      --green-deep: #244a21;
      --coral: #ff725e;
      --yellow: #ffd348;
      --blue: #b9e7ff;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
    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(255,253,248,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .brand img { width: 156px; max-height: 48px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 8px 9px; color: #42483f; font-size: 13px; white-space: nowrap; }
    .nav-links a:hover { color: #356e2b; }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 1px solid var(--ink); background: var(--ink); color: #fff; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
    .nav-cta { flex: 0 0 auto; min-height: 40px; padding: 0 15px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 var(--yellow); }
    .button-light { background: var(--green); color: var(--ink); border-color: var(--green); }
    .button-outline { background: transparent; color: var(--ink); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
    .hero { overflow: hidden; position: relative; padding: 76px 0 58px; background: var(--green); }
    .hero:before { content: ""; position: absolute; width: 310px; height: 310px; border: 1px solid rgba(36,74,33,.23); border-radius: 50%; right: 8%; top: 10%; box-shadow: 0 0 0 34px rgba(255,255,255,.10), 0 0 0 68px rgba(255,255,255,.08); animation: orbit 22s linear infinite; pointer-events: none; }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.3fr) minmax(260px,.7fr); gap: 48px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 16px; color: #31502b; font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .eyebrow:before { content: ""; width: 23px; height: 3px; background: var(--coral); }
    h1 { max-width: 720px; margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 22px 0 28px; color: #344331; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 16px 0 0; color: #435440; font-size: 13px; }
    .hero-board { position: relative; z-index: 1; max-width: 380px; margin-left: auto; padding: 22px; border: 1px solid rgba(32,37,31,.35); background: var(--paper); box-shadow: 10px 10px 0 var(--coral); animation: rise .7s both; }
    .board-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 800; }
    .board-status { display: inline-flex; align-items: center; gap: 6px; color: #386431; font-size: 11px; }
    .board-status:before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #72bb43; }
    .flow-mini { display: grid; gap: 10px; padding: 19px 0 4px; }
    .flow-mini div { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 12px; background: #f2f3eb; font-size: 13px; }
    .flow-mini b { color: #315d28; font-size: 12px; }
    .board-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 16px; color: var(--muted); font-size: 11px; }
    .proof-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; padding: 22px 0; border-bottom: 1px solid var(--line); }
    .proof-item { padding: 4px 20px; border-right: 1px solid var(--line); }
    .proof-item:first-child { padding-left: 0; }
    .proof-item:last-child { border: 0; }
    .proof-item strong { display: block; font-size: 18px; line-height: 1.35; }
    .proof-item span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: #f5f6ef; }
    .section-dark { background: #20251f; color: #fffdf8; }
    .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 32px; }
    .section-heading h2 { max-width: 700px; margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.15; letter-spacing: 0; }
    .section-heading p { max-width: 465px; margin: 0; color: var(--muted); }
    .section-dark .section-heading p { color: #c7cec4; }
    .kicker { margin: 0 0 10px; color: #5b8240; font-size: 12px; font-weight: 800; }
    .about-layout { display: grid; grid-template-columns: 1.1fr .9fr; align-items: start; gap: 54px; }
    .about-layout > div > p { margin: 0 0 15px; color: #4e574d; }
    .capability-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 24px; border-top: 1px solid var(--line); }
    .capability-list div { padding: 15px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; font-size: 14px; }
    .capability-list span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
    .service-item { min-height: 150px; padding: 20px; border: 1px solid var(--line); background: #fff; transition: transform .2s, box-shadow .2s; }
    .service-item:hover { transform: translateY(-3px); box-shadow: 4px 4px 0 var(--green); }
    .service-item .num { color: #638444; font-size: 11px; font-weight: 800; }
    .service-item h3 { margin: 9px 0 6px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .feature-band { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; padding: 32px; background: var(--yellow); }
    .feature-band h2 { margin: 0 0 12px; font-size: 32px; line-height: 1.2; }
    .feature-band p { margin: 0; }
    .feature-tags { display: flex; flex-wrap: wrap; gap: 9px; }
    .feature-tags span { padding: 9px 12px; border: 1px solid rgba(32,37,31,.42); background: rgba(255,255,255,.56); font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0 22px; border-top: 1px solid var(--line); }
    .solution { padding: 18px 0; border-bottom: 1px solid var(--line); }
    .solution h3 { margin: 0 0 5px; font-size: 15px; }
    .solution p { margin: 0; color: var(--muted); font-size: 12px; }
    .network { display: flex; flex-wrap: wrap; gap: 9px; }
    .network span { padding: 9px 13px; border: 1px solid var(--line); background: #fff; font-size: 13px; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: step; border-top: 1px solid #62695f; }
    .workflow article { position: relative; padding: 22px 20px 4px 0; counter-increment: step; }
    .workflow article:before { content: "0" counter(step); display: block; margin-bottom: 18px; color: var(--green); font-size: 13px; font-weight: 800; }
    .workflow h3 { margin: 0 0 7px; font-size: 18px; }
    .workflow p { margin: 0; color: #c7cec4; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
    .case-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; padding: 22px; background: #e4f4d1; }
    .case-feature h3 { margin: 0 0 8px; font-size: 22px; }
    .case-feature p { margin: 0; color: #4f5d48; font-size: 14px; }
    .media-frame { overflow: hidden; background: #e7e9dd; }
    .media-frame img { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .case-secondary { display: grid; grid-template-rows: 1fr auto; gap: 14px; }
    .case-secondary .media-frame img { aspect-ratio: 16/8; }
    .case-secondary p { margin: 0; color: var(--muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
    .review { padding: 20px; border-top: 3px solid var(--coral); background: #fff; }
    .review p { margin: 0 0 17px; color: #454d43; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .score-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 38px; align-items: start; }
    .score-panel { padding: 25px; background: var(--coral); color: #20251f; }
    .score-panel .score { font-size: 62px; font-weight: 900; line-height: 1; }
    .score-panel .stars { margin: 10px 0; color: #fff; font-size: 22px; letter-spacing: 0; }
    .score-panel p { margin: 0; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 560px; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); font-size: 13px; }
    th { background: #f4f5ef; font-size: 12px; }
    td:last-child { color: #345f29; font-weight: 700; }
    .match-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: start; }
    .match-layout h2 { margin: 0 0 12px; font-size: 34px; line-height: 1.2; }
    .match-layout > div > p { color: var(--muted); }
    .token-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 40px; }
    .token-price { padding: 25px; background: var(--blue); }
    .token-price h3 { margin: 0 0 9px; font-size: 21px; }
    .token-price p { margin: 0; font-size: 14px; }
    .token-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 34px 17px 0; font-weight: 700; cursor: pointer; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary:after { content: "+"; position: absolute; right: 3px; top: 12px; color: #54823e; font-size: 22px; }
    details[open] summary:after { content: "−"; }
    details p { max-width: 850px; margin: -4px 0 17px; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 0 28px; border-top: 1px solid var(--line); }
    .article-list a { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .article-list a:hover { color: #4d7a38; }
    .article-list span:last-child { color: #71806b; font-size: 12px; }
    .contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; align-items: start; }
    .contact-info h2 { margin: 0 0 12px; font-size: 36px; }
    .contact-info p { color: #c7cec4; }
    .contact-list { display: grid; gap: 9px; margin-top: 22px; color: #fffdf8; font-size: 14px; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; padding: 23px; background: #fffdf8; color: var(--ink); }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #d8dcd1; border-radius: 0; background: #fff; color: var(--ink); }
    .field textarea { min-height: 104px; resize: vertical; }
    .contact-form .button { justify-self: start; cursor: pointer; }
    .footer { padding: 28px 0; background: #f0f1e9; color: #30372e; }
    .footer-main { display: flex; justify-content: space-between; align-items: start; gap: 30px; }
    .footer-brand img { width: 140px; }
    .footer p { margin: 8px 0 0; color: #5c6458; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; max-width: 650px; }
    .footer-links a { color: #374436; font-size: 12px; }
    .footer-bottom { margin-top: 20px; padding-top: 13px; border-top: 1px solid #d9dcd2; color: #626a5e; font-size: 11px; }
    .floating-contact { position: fixed; right: 18px; bottom: 22px; z-index: 15; }
    .float-button { display: inline-flex; min-height: 46px; align-items: center; padding: 0 16px; background: var(--coral); color: #20251f; font-size: 13px; font-weight: 800; box-shadow: 3px 3px 0 #20251f; }
    .qr-pop { display: none; position: absolute; right: 0; bottom: 56px; width: 170px; padding: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-align: center; box-shadow: 0 8px 28px rgba(20,30,18,.16); }
    .qr-pop img { display: block; width: 148px; margin: 0 auto 7px; }
    .qr-pop span { font-size: 12px; }
    .floating-contact:hover .qr-pop, .floating-contact:focus-within .qr-pop { display: block; }
    .back-top { position: fixed; right: 22px; bottom: 82px; z-index: 14; display: none; width: 40px; height: 40px; border: 1px solid var(--ink); background: #fff; color: var(--ink); cursor: pointer; }
    .back-top.visible { display: block; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.in-view { opacity: 1; transform: none; }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
    @media (max-width: 960px) {
      .nav-row { flex-wrap: wrap; padding: 13px 0; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-cta { order: 2; }
      .nav-links { display: none; order: 3; width: 100%; justify-content: flex-start; padding: 8px 0; border-top: 1px solid var(--line); }
      .nav-links.open { display: flex; }
      .hero-inner { gap: 25px; }
      .solution-grid { grid-template-columns: repeat(3,1fr); }
      .service-grid { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .brand img { width: 132px; }
      .nav-row { gap: 10px; }
      .nav-cta { min-height: 38px; padding: 0 11px; font-size: 12px; }
      .nav-links a { padding: 8px 10px 8px 0; }
      .hero { padding: 54px 0 35px; }
      .hero:before { width: 180px; height: 180px; right: -38px; top: 40%; }
      .hero-inner, .about-layout, .feature-band, .case-grid, .case-feature, .score-layout, .match-layout, .token-layout, .contact-layout { grid-template-columns: 1fr; }
      .hero-copy { font-size: 16px; }
      .hero-board { width: min(100%, 380px); margin: 18px 0 0; }
      .proof-strip { grid-template-columns: repeat(2,1fr); gap: 14px 0; }
      .proof-item:nth-child(2) { border-right: 0; }
      .proof-item:nth-child(3) { padding-left: 0; }
      .section { padding: 55px 0; }
      .section-heading { display: block; }
      .section-heading p { margin-top: 12px; }
      .service-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .service-item { padding: 15px; min-height: 160px; }
      .service-item h3 { font-size: 15px; }
      .service-item p { font-size: 12px; }
      .capability-list { gap: 0 14px; }
      .solution-grid { grid-template-columns: repeat(2,1fr); gap: 0 15px; }
      .workflow { grid-template-columns: repeat(2,1fr); }
      .workflow article { padding-right: 12px; }
      .case-secondary { grid-template-rows: auto auto; }
      .review-grid { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr; }
      .contact-form { grid-template-columns: 1fr; padding: 17px; }
      .field-wide { grid-column: auto; }
      .footer-main { display: grid; }
      .footer-links { justify-content: flex-start; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *:before, *:after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }