:root {
      color-scheme: light;
      --ink: #172320;
      --muted: #5f6d67;
      --paper: #f7f9f7;
      --white: #fff;
      --line: #dce5df;
      --green: #176b52;
      --green-dark: #104b3b;
      --mint: #d9f1df;
      --coral: #e8785d;
      --yellow: #f2c94c;
      --blue: #507fbd;
      --max: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(247,249,247,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; white-space: nowrap; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 9px 10px; color: #35443e; text-decoration: none; font-size: 13px; }
    .nav-links a:hover { color: var(--green); }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); padding: 8px 11px; border-radius: 5px; font: inherit; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border: 1px solid var(--green); border-radius: 5px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; transition: transform .2s, background .2s, box-shadow .2s; }
    .button:hover { transform: translateY(-2px); background: var(--green-dark); box-shadow: 0 8px 18px rgba(23,107,82,.18); }
    .button.secondary { background: transparent; color: var(--green-dark); }
    .button.secondary:hover { background: var(--mint); box-shadow: none; }
    .hero { overflow: hidden; position: relative; background: #e8f4e9; border-bottom: 1px solid #d4e5d7; }
    .hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 54%, rgba(232,120,93,.11) 54%, rgba(232,120,93,.11) 67%, transparent 67%), linear-gradient(25deg, transparent 66%, rgba(242,201,76,.18) 66%, rgba(242,201,76,.18) 78%, transparent 78%); pointer-events: none; }
    .hero-inner { position: relative; padding-block: 72px 52px; }
    .eyebrow { margin: 0 0 14px; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: 1px; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.1; letter-spacing: 0; }
    .hero-copy { max-width: 690px; margin: 22px 0 26px; color: #43544c; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 34px; }
    .hero-tags span { padding: 6px 10px; border: 1px solid #c4d9ca; border-radius: 3px; background: rgba(255,255,255,.58); color: #365347; font-size: 13px; }
    .signal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 46px; border-top: 1px solid #c8dbce; }
    .signal { padding: 19px 20px 0 0; }
    .signal strong { display: block; font-size: 17px; }
    .signal span { color: var(--muted); font-size: 13px; }
    main section { padding-block: 72px; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head h2 { margin: 0; max-width: 720px; font-size: clamp(26px, 3.4vw, 40px); line-height: 1.2; letter-spacing: 0; }
    .section-head p { max-width: 490px; margin: 0; color: var(--muted); }
    .kicker { margin: 0 0 8px; color: var(--coral); font-size: 12px; font-weight: 800; text-transform: uppercase; }
    .intro-band { background: #fff; border-bottom: 1px solid var(--line); }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
    .intro-grid h2 { margin: 0 0 15px; font-size: 32px; line-height: 1.25; }
    .intro-grid p { color: var(--muted); }
    .intro-points { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; padding-top: 5px; }
    .intro-point { padding: 0 0 14px; border-bottom: 1px solid var(--line); }
    .intro-point strong { display: block; margin-bottom: 5px; }
    .intro-point span { color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .service-item { min-height: 160px; padding: 20px; background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--green); transition: transform .2s, box-shadow .2s; }
    .service-item:nth-child(3n+2) { border-top-color: var(--coral); }
    .service-item:nth-child(3n) { border-top-color: var(--blue); }
    .service-item:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(34,65,48,.08); }
    .service-item h3 { margin: 0 0 8px; font-size: 18px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-extra { margin-top: 22px; padding: 18px 20px; background: #e9f1ed; color: #354b40; }
    .service-extra strong { margin-right: 8px; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
    .step { position: relative; padding: 24px 20px 25px 0; }
    .step + .step { padding-left: 22px; border-left: 1px solid var(--line); }
    .step-num { color: var(--coral); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 7px 0; font-size: 18px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry { background: #edf4f0; }
    .industry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 38px; }
    .industry-row { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid #cfded4; }
    .industry-row strong { color: var(--green-dark); }
    .industry-row span { color: #53645b; font-size: 14px; }
    .network { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 28px; background: #194f40; color: #fff; }
    .network h2 { margin: 0 0 8px; font-size: 27px; }
    .network p { margin: 0; color: #d8e9df; }
    .network-list { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; max-width: 500px; }
    .network-list span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.35); border-radius: 3px; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; }
    .case { min-width: 0; }
    .case figure { margin: 0 0 13px; background: #e9ede8; overflow: hidden; }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s; }
    .case:hover img { transform: scale(1.025); }
    .case h3 { margin: 0 0 5px; font-size: 18px; }
    .case p { margin: 0; color: var(--muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 19px; background: #fff; border: 1px solid var(--line); }
    .review blockquote { margin: 0 0 14px; color: #3c4c44; font-size: 14px; }
    .review cite { color: var(--green-dark); font-size: 13px; font-style: normal; font-weight: 700; }
    .review-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; }
    .comparison { background: #fff; border-block: 1px solid var(--line); }
    .rating { display: flex; align-items: center; gap: 18px; margin-bottom: 23px; padding: 18px 20px; background: #f4f7ed; border-left: 4px solid var(--yellow); }
    .rating strong { color: #855e00; font-size: 30px; }
    .rating span { color: #534a31; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); }
    table { width: 100%; min-width: 700px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #edf4f0; color: var(--green-dark); font-size: 14px; }
    td { color: #4d5c55; font-size: 14px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .match { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; align-items: start; }
    .match-copy { padding-top: 5px; }
    .match-copy h2 { margin: 0 0 12px; font-size: 32px; line-height: 1.25; }
    .match-copy p { color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .tag-cloud span { padding: 6px 10px; background: #e9f1ed; color: #35574a; font-size: 13px; }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { color: #34443b; font-size: 13px; font-weight: 700; }
    input, select, textarea { width: 100%; padding: 11px 12px; border: 1px solid #cbd8cf; border-radius: 3px; background: #fff; color: var(--ink); font: inherit; }
    input:focus, select:focus, textarea:focus { outline: 2px solid #a4d3b2; border-color: var(--green); }
    textarea { min-height: 104px; resize: vertical; }
    .form-submit { grid-column: 1 / -1; justify-self: start; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 14px; color: var(--green); font-size: 22px; font-weight: 400; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { max-width: 850px; margin: 0; padding: 0 35px 17px 0; color: var(--muted); font-size: 14px; }
    .resource-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; }
    .article-list { margin: 0; padding: 0; list-style: none; }
    .article-list li { display: flex; justify-content: space-between; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); }
    .article-list a { text-decoration: none; font-weight: 700; }
    .article-list a:hover { color: var(--green); }
    .article-list span { color: var(--muted); font-size: 13px; white-space: nowrap; }
    .resource-copy { padding-left: 25px; border-left: 3px solid var(--coral); }
    .resource-copy h3 { margin: 0 0 8px; font-size: 20px; }
    .resource-copy p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
    .contact-band { background: #e9f1ed; }
    .contact-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .contact-row h2 { margin: 0 0 8px; font-size: 30px; }
    .contact-row p { margin: 0; color: var(--muted); }
    .contact-links { display: flex; flex-wrap: wrap; gap: 10px; }
    .contact-links a { text-decoration: none; }
    .qr { width: 104px; height: 104px; object-fit: contain; background: #fff; border: 1px solid var(--line); padding: 5px; }
    .footer { padding: 28px 0 22px; background: #fff; color: #33443b; border-top: 1px solid var(--line); }
    .footer-top { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
    .footer p { margin: 6px 0; color: #5f6d67; font-size: 13px; }
    .friend-links { display: flex; flex-wrap: wrap; gap: 8px 15px; max-width: 600px; }
    .friend-links a { color: #385e4e; font-size: 13px; text-decoration: none; }
    .copyright { margin-top: 20px !important; padding-top: 13px; border-top: 1px solid var(--line); }
    .floating { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating a { padding: 10px 13px; background: var(--green-dark); color: #fff; text-decoration: none; border-radius: 3px; font-size: 13px; box-shadow: 0 5px 16px rgba(16,75,59,.2); }
    .to-top { display: none; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 900px) {
      .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 10px 20px 15px; background: var(--paper); border-bottom: 1px solid var(--line); justify-content: flex-start; }
      .nav-links.open { display: flex; }
      .nav-links a { padding-inline: 9px; }
      .menu-toggle { display: inline-flex; }
      .nav-actions .button { display: none; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .case:first-child { grid-column: 1 / -1; }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--max), calc(100% - 30px)); }
      .nav-row { min-height: 64px; }
      .nav-links { top: 64px; max-height: calc(100vh - 64px); overflow: auto; }
      .brand img { width: 36px; height: 36px; }
      .hero-inner { padding-block: 54px 36px; }
      .hero-copy { font-size: 15px; }
      .signal-row { grid-template-columns: 1fr 1fr; row-gap: 18px; }
      main section { padding-block: 52px; }
      .section-head { display: block; }
      .section-head p { margin-top: 12px; }
      .intro-grid, .industry-grid, .match, .resource-grid { grid-template-columns: 1fr; gap: 25px; }
      .intro-points { gap: 14px; }
      .service-grid, .review-grid { grid-template-columns: 1fr; }
      .service-item { min-height: auto; }
      .steps { grid-template-columns: 1fr 1fr; }
      .step { padding: 18px 12px 18px 0; }
      .step + .step { padding-left: 14px; }
      .step:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .industry-row { grid-template-columns: 105px 1fr; gap: 12px; }
      .network, .contact-row, .footer-top { align-items: flex-start; flex-direction: column; }
      .network-list { justify-content: flex-start; }
      .case-grid { grid-template-columns: 1fr; }
      .case:first-child { grid-column: auto; }
      form { grid-template-columns: 1fr; }
      .field.full, .form-submit { grid-column: auto; }
      .article-list li { align-items: flex-start; }
      .floating { right: 10px; bottom: 12px; }
      .floating a { padding: 9px 10px; }
    }