:root {
      color-scheme: light;
      --ink: #202331;
      --muted: #626675;
      --paper: #fff9f3;
      --white: #fff;
      --line: #e8e0dc;
      --coral: #f04d39;
      --orange: #ff9a28;
      --violet: #6845df;
      --teal: #087f78;
      --lime: #c9e64b;
      --container: 1160px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    img { max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255, 249, 243, .96);
      border-bottom: 1px solid rgba(32, 35, 49, .1);
      backdrop-filter: blur(12px);
    }
    .header-row {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; white-space: nowrap; }
    .brand img { width: 38px; max-height: 38px; object-fit: contain; }
    .brand-name { font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a {
      padding: 10px 9px;
      color: #484b57;
      font-size: 13px;
      text-decoration: none;
      white-space: nowrap;
    }
    .nav-links a:hover { color: var(--coral); }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      border: 0;
      border-radius: 5px;
      background: var(--coral);
      color: #fff;
      font-weight: 750;
      text-decoration: none;
      cursor: pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .nav-cta { flex: 0 0 auto; min-height: 40px; padding: 8px 13px; font-size: 13px; }
    .button:hover, .nav-cta:hover { background: #d93b2b; box-shadow: 0 8px 20px rgba(240,77,57,.22); transform: translateY(-2px); }
    .button.secondary { background: var(--ink); }
    .button.outline { border: 1px solid var(--ink); background: transparent; color: var(--ink); }
    .button.outline:hover { background: var(--ink); color: #fff; }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      padding: 9px;
      border: 1px solid var(--line);
      border-radius: 5px;
      background: var(--white);
      color: var(--ink);
      cursor: pointer;
    }
    .menu-toggle span { display: block; height: 2px; margin: 4px 0; background: currentColor; }

    .hero {
      position: relative;
      overflow: hidden;
      background: var(--coral);
      color: #fff;
    }
    .hero::before, .hero::after {
      position: absolute;
      content: "";
      pointer-events: none;
    }
    .hero::before {
      inset: 0;
      background: linear-gradient(112deg, #ed4739 0%, #fa6d25 54%, #ffad32 100%);
    }
    .hero::after {
      width: 380px;
      height: 380px;
      right: -130px;
      top: -165px;
      border: 1px solid rgba(255,255,255,.34);
      border-radius: 50%;
      box-shadow: 0 0 0 36px rgba(255,255,255,.06), 0 0 0 78px rgba(255,255,255,.05);
    }
    .hero-inner { position: relative; z-index: 1; padding: 66px 0 54px; }
    .hero-copy { max-width: 760px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 16px;
      color: inherit;
      font-size: 13px;
      font-weight: 750;
      letter-spacing: 0;
    }
    .eyebrow::before { width: 22px; height: 3px; background: var(--lime); content: ""; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 20px 0 26px; color: rgba(255,255,255,.94); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero .button { background: var(--ink); }
    .hero .button:hover { background: #090b13; }
    .hero .button.outline { border-color: rgba(255,255,255,.8); background: transparent; color: #fff; }
    .hero .button.outline:hover { background: rgba(255,255,255,.15); }
    .hero-points { display: flex; flex-wrap: wrap; gap: 12px 26px; margin: 28px 0 0; padding: 0; list-style: none; color: rgba(255,255,255,.94); font-size: 13px; }
    .hero-points li::before { content: "✓"; margin-right: 8px; color: var(--lime); font-weight: 900; }
    .hero-floor {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      border-top: 1px solid rgba(255,255,255,.28);
      background: rgba(255,255,255,.22);
    }
    .hero-stat { padding: 17px 22px; background: rgba(185, 41, 34, .25); }
    .hero-stat strong { display: block; font-size: 17px; }
    .hero-stat span { color: rgba(255,255,255,.88); font-size: 12px; }

    .section { padding: 66px 0; }
    .section.tint { background: #fff1e8; }
    .section.dark-band { background: var(--ink); color: #fff; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-head .eyebrow { color: var(--coral); }
    .section.dark-band .section-head .eyebrow { color: var(--lime); }
    h2 { margin: 0 0 10px; font-size: clamp(27px, 4vw, 40px); line-height: 1.2; letter-spacing: 0; }
    .section-head p { margin: 0; color: var(--muted); }
    .dark-band .section-head p { color: #d8d9df; }
    .intro-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 42px; align-items: start; }
    .intro-layout p { margin: 0 0 15px; color: var(--muted); }
    .intro-note { padding: 22px 24px; border-left: 4px solid var(--orange); background: #fff; }
    .intro-note strong { display: block; margin-bottom: 6px; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .tag-list span { padding: 6px 10px; border: 1px solid #e7d4ca; border-radius: 3px; color: #514c52; background: #fffaf6; font-size: 12px; }

    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .service-item { min-height: 150px; padding: 18px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service-item:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(32,35,49,.08); }
    .service-item .index { color: var(--coral); font-size: 12px; font-weight: 800; }
    .service-item h3 { margin: 8px 0 5px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }

    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; border-top: 1px solid var(--line); }
    .step { position: relative; padding: 22px 22px 8px 0; counter-increment: step; }
    .step::before { display: block; width: 34px; height: 34px; margin-top: -40px; border: 5px solid var(--paper); border-radius: 50%; background: var(--violet); color: white; content: counter(step); text-align: center; font-size: 13px; font-weight: 800; line-height: 24px; }
    .step h3 { margin: 12px 0 6px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }

    .split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px; align-items: start; }
    .price-callout { padding: 25px; background: var(--violet); color: #fff; }
    .price-callout h3 { margin: 0 0 8px; font-size: 24px; }
    .price-callout p { margin: 0 0 18px; color: #f0ecff; }
    .price-callout .button { background: var(--lime); color: var(--ink); }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 600px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #fff1e8; font-size: 13px; }
    td { color: #4c4e58; font-size: 13px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    tr:last-child td { border-bottom: 0; }

    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
    .solution { padding-top: 16px; border-top: 3px solid var(--teal); }
    .solution:nth-child(2) { border-color: var(--orange); }
    .solution:nth-child(3) { border-color: var(--violet); }
    .solution h3 { margin: 0 0 8px; font-size: 19px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution a { display: inline-block; margin-top: 12px; color: var(--coral); font-size: 13px; font-weight: 750; text-decoration: none; }

    .rating-row { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; align-items: center; margin-bottom: 28px; }
    .rating-score { padding: 24px; background: var(--lime); color: var(--ink); }
    .rating-score strong { display: block; font-size: 48px; line-height: 1; }
    .rating-score span { display: block; margin-top: 8px; font-weight: 750; }
    .stars { color: #b74617; letter-spacing: 0; font-size: 22px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .review { padding: 18px; border: 1px solid rgba(255,255,255,.2); background: #2a2d3a; }
    .review p { margin: 0 0 14px; color: #f1f0f4; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: #c5c6ce; font-size: 12px; }

    .showcase-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; align-items: start; }
    .showcase-main, .showcase-side { min-width: 0; }
    .image-frame { overflow: hidden; background: #f1e9e3; }
    .image-frame img { display: block; width: 100%; height: auto; }
    .image-frame.square img { aspect-ratio: 1 / 1; object-fit: cover; }
    .image-caption { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
    .showcase-side .image-frame + .image-frame { margin-top: 16px; }

    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; font-weight: 750; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; right: 4px; top: 15px; content: "+"; color: var(--coral); font-size: 22px; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: 0; padding: 0 36px 18px 0; 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 { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
    .article:hover .article-title { color: var(--coral); }
    .article-title { font-weight: 700; }
    .article small { flex: 0 0 auto; color: var(--muted); font-size: 11px; }
    .contact-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 38px; align-items: start; }
    .contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 750; }
    .field input, .field select, .field textarea {
      width: 100%;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid #d8d2cf;
      border-radius: 3px;
      outline: none;
      background: #fff;
      color: var(--ink);
    }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(104,69,223,.12); }
    .contact-side { padding: 22px; background: #fff1e8; }
    .contact-side h3 { margin: 0 0 8px; }
    .contact-side p { margin: 4px 0; color: var(--muted); font-size: 14px; }
    .qr-wrap { width: min(180px, 100%); margin-top: 14px; padding: 8px; background: #fff; }
    .qr-wrap img { display: block; width: 100%; height: auto; }
    .links-line { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; }
    .links-line a { color: #454855; font-size: 13px; text-decoration: none; }
    .links-line a:hover { color: var(--coral); }
    .footer { padding: 25px 0; border-top: 1px solid var(--line); background: #fff; color: #393b45; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .footer p { margin: 0; font-size: 12px; }
    .footer a { color: #393b45; }
    .floating-contact {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 15;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      border: 0;
      border-radius: 4px;
      background: var(--ink);
      color: white;
      font-size: 13px;
      font-weight: 750;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(20,22,30,.2);
    }
    .to-top {
      position: fixed;
      right: 20px;
      bottom: 76px;
      z-index: 15;
      display: none;
      width: 40px;
      height: 40px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--ink);
      cursor: pointer;
    }
    .to-top.visible { display: block; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }

    @media (max-width: 1080px) {
      .nav-links { display: none; }
      .menu-toggle { display: block; margin-left: auto; }
      .nav-links.open {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        padding: 12px max(20px, calc((100% - var(--container)) / 2));
        border-bottom: 1px solid var(--line);
        background: var(--paper);
      }
      .nav-links.open a { padding: 9px 8px; }
      .header-row { position: relative; }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-row { min-height: 64px; gap: 10px; }
      .brand img { width: 32px; max-height: 32px; }
      .brand-name { font-size: 15px; }
      .nav-cta { padding: 8px 10px; font-size: 12px; }
      .nav-links.open { top: 64px; grid-template-columns: repeat(2, 1fr); }
      .hero-inner { padding: 48px 0 38px; }
      .hero-copy > p:not(.eyebrow) { font-size: 15px; }
      .hero-floor { grid-template-columns: 1fr; }
      .hero-stat { padding: 11px 16px; }
      .section { padding: 48px 0; }
      .intro-layout, .split, .rating-row, .showcase-grid, .contact-grid { grid-template-columns: 1fr; gap: 22px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: repeat(2, 1fr); row-gap: 24px; border-top: 0; }
      .step { padding: 0 10px 0 0; border-top: 1px solid var(--line); }
      .step::before { margin-top: -17px; }
      .solution-grid { grid-template-columns: 1fr; gap: 22px; }
      .review-grid { grid-template-columns: 1fr 1fr; }
      .article-list { grid-template-columns: 1fr; }
      .footer-row { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 460px) {
      .hero-actions .button { width: 100%; }
      .service-grid, .steps, .review-grid { grid-template-columns: 1fr; }
      .service-item { min-height: 0; }
      .contact-form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .rating-score strong { font-size: 42px; }
      .floating-contact { right: 12px; bottom: 12px; padding: 11px 13px; }
      .to-top { right: 14px; bottom: 66px; }
    }