:root {
      --ink: #071735;
      --ink-deep: #000229;
      --teal: #2ea498;
      --teal-dark: #217f78;
      --teal-deep: #17665f;
      --lime: #aee87c;
      --yellow: #ffc530;
      --muted: #667085;
      --muted-light: #98a2b3;
      --line: #e3ecee;
      --surface: #f5f9f9;
      --surface-blue: #eef6f7;
      --white: #fff;
      --container: 1180px;
      --radius: 8px;
      --shadow: 0 22px 55px -40px rgba(7, 23, 53, .42);
      --font: "Inter", "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    @font-face {
      font-family: "Inter";
      font-style: normal;
      font-weight: 100 900;
      font-display: swap;
      src: url("/assets/fonts/inter-variable.woff2") format("woff2");
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--muted);
      background: var(--white);
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button { font: inherit; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      height: 74px;
      border-bottom: 1px solid rgba(225, 235, 237, .85);
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(16px);
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
    .brand img { width: 154px; height: auto; }
    .primary-nav { display: flex; align-self: stretch; align-items: center; gap: 24px; margin-left: 26px; }
    .nav-item { position: relative; display: flex; align-self: stretch; align-items: center; }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      height: 100%;
      color: var(--ink);
      font-size: 14px;
      font-weight: 650;
      white-space: nowrap;
    }
    .nav-link::after {
      content: "";
      position: absolute;
      right: 0;
      bottom: 14px;
      left: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--teal);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .25s ease;
    }
    .nav-chevron { width: 6px; height: 6px; margin-top: -3px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform .2s ease; }
    .nav-link:hover, .nav-link[aria-current="page"], .nav-item:focus-within > .nav-link { color: var(--teal-dark); }
    .nav-link:hover::after, .nav-link[aria-current="page"]::after, .nav-item:focus-within > .nav-link::after { transform: scaleX(1); }
    .nav-item:hover .nav-chevron, .nav-item:focus-within .nav-chevron { transform: translateY(3px) rotate(225deg); }
    .nav-item.has-submenu::after { content: ""; position: absolute; top: calc(100% - 2px); left: -16px; width: calc(100% + 32px); height: 18px; }
    .nav-dropdown {
      position: absolute;
      top: calc(100% + 10px);
      left: 50%;
      z-index: 30;
      width: 252px;
      padding: 10px;
      border: 1px solid rgba(215, 228, 230, .95);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .98);
      box-shadow: 0 24px 54px -28px rgba(7, 23, 53, .42);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translate(-50%, 8px);
      transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }
    .nav-dropdown::before { content: ""; position: absolute; top: -6px; left: 50%; width: 11px; height: 11px; border-top: 1px solid rgba(215, 228, 230, .95); border-left: 1px solid rgba(215, 228, 230, .95); background: var(--white); transform: translateX(-50%) rotate(45deg); }
    .nav-item:hover > .nav-dropdown, .nav-item:focus-within > .nav-dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
    .nav-dropdown-wide { width: 550px; }
    .nav-dropdown-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 8px; }
    .nav-dropdown a { position: relative; display: block; padding: 10px 12px 10px 24px; border-radius: 6px; color: var(--muted); font-size: 14px; font-weight: 550; line-height: 1.45; }
    .nav-dropdown a::before { content: ""; position: absolute; top: 17px; left: 12px; width: 4px; height: 4px; border-radius: 50%; background: #b8d8d3; transition: background-color .2s ease, transform .2s ease; }
    .nav-dropdown a:hover, .nav-dropdown a:focus-visible { color: var(--ink); background: #eff7f5; outline: none; }
    .nav-dropdown a:hover::before, .nav-dropdown a:focus-visible::before { background: var(--teal); transform: scale(1.4); }
    .nav-dropdown a strong { color: var(--ink); font-weight: 750; }
    .header-actions { display: flex; align-items: center; gap: 18px; }
    .lang-link { color: var(--muted); font-size: 14px; font-weight: 600; }
    .header-link { color: var(--teal-dark); font-size: 14px; font-weight: 700; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 23px;
      border: 1px solid transparent;
      border-radius: var(--radius);
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      transition: transform .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease, box-shadow .25s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { color: var(--white); background: var(--teal-dark); box-shadow: 0 10px 22px -14px rgba(46, 164, 152, .85); }
    .btn-primary:hover { background: var(--teal-deep); box-shadow: 0 16px 28px -16px rgba(46, 164, 152, .9); }
    .btn-dark { color: var(--white); background: var(--ink); }
    .btn-dark:hover { background: var(--ink-deep); }
    .btn-light { color: var(--ink); border-color: var(--line); background: var(--white); }
    .btn-light:hover { border-color: var(--teal); color: var(--teal-dark); }
    .btn-yellow { color: var(--ink); background: var(--yellow); }
    .btn-yellow:hover { background: #ffd461; }
    .menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: var(--white); cursor: pointer; }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 16px; height: 1.5px; margin: 0 auto; background: currentColor; transition: transform .2s ease; }
    .menu-toggle span { position: relative; }
    .menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
    .menu-toggle span::before { top: -5px; }
    .menu-toggle span::after { top: 5px; }
    .mobile-nav { display: none; }

    .hero {
      position: relative;
      min-height: 700px;
      padding: 108px 0 76px;
      overflow: hidden;
      background: #f8fbfb;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(46, 164, 152, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(46, 164, 152, .055) 1px, transparent 1px);
      background-size: 52px 52px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .7), transparent 72%);
    }
    .hero-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 52px; position: relative; z-index: 1; }
    .eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--teal-dark); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 25px; height: 2px; border-radius: 2px; background: var(--teal); }
    .hero h1 { max-width: 650px; margin: 20px 0; color: var(--ink); font-size: 60px; font-weight: 780; letter-spacing: 0; line-height: 1.13; }
    .hero h1 span { display: block; }
    .hero h1 span:last-child { white-space: nowrap; }
    .hero-copy { max-width: 570px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
    .hero-note { display: flex; flex-wrap: wrap; gap: 18px 24px; margin-top: 24px; color: var(--muted-light); font-size: 14px; font-weight: 600; }
    .hero-note span { display: inline-flex; align-items: center; gap: 7px; }
    .hero-note b { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
    .hero-visual { position: relative; min-height: 485px; }
    .hero-panel { position: absolute; inset: 15px 0 0 35px; border: 1px solid rgba(46, 164, 152, .18); border-radius: 8px; background: var(--surface-blue); }
    .hero-panel::before { content: ""; position: absolute; top: 22px; right: 24px; width: 44px; height: 44px; border: 1px solid rgba(46, 164, 152, .32); border-radius: 50%; }
    .hero-panel::after { content: ""; position: absolute; right: 45px; bottom: 28px; width: 86px; height: 2px; background: var(--lime); }
    .hero-visual img { position: absolute; right: -26px; bottom: -32px; z-index: 2; width: min(680px, 112%); filter: drop-shadow(0 32px 24px rgba(7, 23, 53, .16)); }
    .hero-badge { position: absolute; top: 42px; left: 4px; z-index: 3; padding: 14px 16px; border: 1px solid rgba(46, 164, 152, .18); border-radius: 8px; color: var(--ink); background: rgba(255, 255, 255, .86); box-shadow: var(--shadow); }
    .hero-badge strong { display: block; color: var(--teal-dark); font-size: 24px; line-height: 1.1; }
    .hero-badge span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }

    .trust-bar { border-top: 1px solid #c9e0d9; border-bottom: 1px solid #c9e0d9; background: #e3f1ed; }
    .trust-inner { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); align-items: center; min-height: 122px; }
    .trust-lead { padding-right: 28px; color: var(--teal-dark); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
    .trust-stat { padding: 12px 25px; border-left: 1px solid rgba(33, 127, 120, .2); }
    .trust-stat strong { display: block; color: var(--ink); font-size: 25px; line-height: 1.1; }
    .trust-stat span { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; }

    .section { padding: 112px 0; }
    .section-soft { background: var(--surface); }
    .section-ecosystem { position: relative; background: #dbece8; }
    .section-ecosystem::before { content: ""; position: absolute; inset: 0 0 auto; height: 6px; background: var(--teal); }
    .section-value { position: relative; background: #dbece8; }
    .section-value::before { content: ""; position: absolute; inset: 0 0 auto; height: 6px; background: var(--lime); }
    .section-heading { max-width: 720px; margin: 0 auto 54px; text-align: center; }
    .section-heading .eyebrow { justify-content: center; }
    .section-heading h2 { margin: 18px 0 14px; color: var(--ink); font-size: clamp(32px, 4vw, 48px); line-height: 1.18; }
    .section-heading p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
    #platform .section-heading { max-width: 820px; }
    #platform .section-heading h2 span { display: block; }

    .platform-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 24px; align-items: stretch; }
    .platform-intro { position: relative; min-height: 490px; padding: 42px; overflow: hidden; border-radius: var(--radius); background: var(--teal-deep); }
  .platform-intro::before { content: ""; position: absolute; inset: 0; background: url("/assets/img/service/service-5-1-bg.png") center/cover; opacity: .34; mix-blend-mode: screen; }
    .platform-intro-content { position: relative; z-index: 1; }
    .platform-intro .eyebrow { color: var(--lime); }
    .platform-intro h3 { max-width: 360px; margin: 20px 0 18px; color: var(--white); font-size: 38px; line-height: 1.2; }
    .platform-intro p { max-width: 360px; margin: 0; color: rgba(255, 255, 255, .92); line-height: 1.85; }
    .platform-intro .btn { margin-top: 30px; }
    .product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .product-card { position: relative; display: flex; min-height: 238px; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
    .product-card:hover { transform: translateY(-4px); border-color: rgba(46, 164, 152, .45); box-shadow: var(--shadow); }
    .product-tag { align-self: flex-start; padding: 5px 10px; border-radius: 999px; color: var(--teal-dark); background: #edf7f5; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .product-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 20px 0 18px; border-radius: 8px; background: #f1f8f7; transition: background-color .25s ease; }
    .product-icon img { width: 31px; height: 31px; object-fit: contain; }
    .product-card:hover .product-icon { background: #ddf1ee; }
    .product-card h3 { margin: 0; color: var(--ink); font-size: 21px; line-height: 1.3; }
    .product-card h3 small { display: block; margin-top: 4px; color: var(--teal-dark); font-size: 13px; font-weight: 700; }
    .product-card p { margin: 10px 0 18px; color: var(--muted); font-size: 14px; line-height: 1.75; }
    .product-link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: var(--teal-dark); font-size: 13px; font-weight: 800; }
    .product-link span { transition: transform .2s ease; }
    .product-card:hover .product-link span { transform: translateX(4px); }

    .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 82px; align-items: center; }
    .about-visual { position: relative; min-height: 470px; padding: 36px; border-radius: var(--radius); background: #f1f7f7; }
    .about-visual img { width: 100%; height: 100%; object-fit: contain; }
    .about-number { position: absolute; top: 24px; left: 28px; color: var(--ink); }
    .about-number strong { display: block; font-size: 52px; line-height: 1; }
    .about-number span { color: var(--teal-dark); font-size: 13px; font-weight: 800; }
    .about-copy .eyebrow { margin-bottom: 18px; }
    .about-copy h2 { margin: 0 0 20px; color: var(--ink); font-size: 45px; line-height: 1.2; }
    .about-copy p { margin: 0 0 14px; color: var(--muted); line-height: 1.85; }
    .about-copy .btn { margin-top: 16px; }
    .about-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
    .about-point { padding-top: 15px; border-top: 2px solid var(--teal); }
    .about-point strong { display: block; color: var(--ink); font-size: 20px; }
    .about-point span { color: var(--muted); font-size: 13px; }

    .ecosystem-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 46px; }
    .ecosystem-head h2 { max-width: 560px; margin: 16px 0 0; color: var(--ink); font-size: 44px; line-height: 1.2; }
    .ecosystem-head p { max-width: 365px; margin: 0; color: var(--muted); line-height: 1.8; }
    .integration-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid rgba(33, 127, 120, .2); border-radius: var(--radius); background: rgba(255, 255, 255, .5); }
    .integration-item { display: grid; place-items: center; min-height: 112px; padding: 20px; border-right: 1px solid rgba(33, 127, 120, .16); border-bottom: 1px solid rgba(33, 127, 120, .16); transition: background-color .25s ease; }
    .integration-item:nth-child(4n) { border-right: 0; }
    .integration-item:nth-last-child(-n + 4) { border-bottom: 0; }
    .integration-item:hover { background: rgba(255, 255, 255, .72); }
    .integration-item img { max-width: 130px; max-height: 48px; object-fit: contain; }

    .partner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
    .partner-copy .eyebrow { margin-bottom: 18px; }
    .partner-copy h2 { max-width: 540px; margin: 0 0 20px; color: var(--ink); font-size: 43px; line-height: 1.2; }
    .partner-copy p { max-width: 540px; margin: 0 0 14px; color: var(--muted); line-height: 1.85; }
    .partner-copy .btn { margin-top: 16px; }
    .partner-visual { position: relative; min-height: 430px; padding: 32px; border-radius: var(--radius); background: #edf5ff; }
    .partner-visual img { width: 100%; height: 100%; object-fit: contain; }
    .partner-visual::after { content: "PARTNER PROGRAM"; position: absolute; right: 26px; bottom: 22px; color: rgba(7, 23, 53, .44); font-size: 11px; font-weight: 800; letter-spacing: .12em; }

    .news-header { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 42px; }
    .news-header h2 { margin: 16px 0 0; color: var(--ink); font-size: 43px; line-height: 1.2; }
    .news-header p { max-width: 420px; margin: 0; color: var(--muted); line-height: 1.8; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .news-card { display: flex; overflow: hidden; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .news-card > a:first-child { position: relative; display: block; overflow: hidden; background: var(--surface-blue); }
    .news-card > a:first-child::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: rgba(7, 23, 53, .045); }
    .news-card img { width: 100%; height: 202px; object-fit: cover; filter: saturate(.88) contrast(.97); transition: transform .35s ease, filter .35s ease; }
    .news-card:hover img { transform: scale(1.018); filter: saturate(1) contrast(1); }
    .news-body { display: flex; flex: 1; flex-direction: column; padding: 22px 24px 26px; }
    .news-date { color: var(--muted-light); font-size: 12px; font-weight: 700; }
    .news-card h3 { display: -webkit-box; margin: 11px 0 18px; overflow: hidden; color: var(--ink); font-size: 18px; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
    .news-read { margin-top: auto; color: var(--teal-dark); font-size: 13px; font-weight: 800; }

    .section-value .section-heading .eyebrow { justify-content: flex-start; }
    .value-grid { display: grid; grid-template-columns: 1.4fr .75fr; gap: 18px; align-items: stretch; }
    .value-list { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 1px solid #cfdec4; border-radius: var(--radius); background: rgba(255, 255, 255, .46); }
    .value-item { display: flex; min-height: 390px; flex-direction: column; justify-content: center; padding: 34px 26px; border-right: 1px solid #cfdec4; background: transparent; }
    .value-item:last-child { border-right: 0; }
    .value-item img { width: 38px; height: 38px; margin-bottom: 22px; object-fit: contain; }
    .value-item h3 { margin: 0 0 10px; color: var(--ink); font-size: 18px; }
    .value-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.78; }
    .contact-panel { display: flex; flex-direction: column; justify-content: center; min-height: 100%; padding: 38px; border-radius: var(--radius); background: var(--teal-deep); }
    .contact-panel .eyebrow { color: var(--lime); }
    .contact-panel h3 { margin: 18px 0 8px; color: var(--white); font-size: 34px; line-height: 1.2; }
    .contact-panel p { margin: 0 0 24px; color: rgba(255, 255, 255, .92); line-height: 1.75; }
    .contact-phone { color: var(--white); font-size: 32px; font-weight: 800; line-height: 1.1; }
    .contact-panel .btn { align-self: flex-start; margin-top: 26px; }

    .site-footer { position: relative; padding: 68px 0 22px; color: rgba(255, 255, 255, .7); background: var(--ink-deep); }
    .site-footer::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--teal) 0 72%, var(--lime) 72% 86%, var(--yellow) 86%); }
    .footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 44px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .13); }
    .footer-brand img { width: 160px; }
    .footer-brand p { max-width: 265px; margin: 20px 0 0; color: rgba(255, 255, 255, .68); font-size: 14px; line-height: 1.85; }
    .footer-col h3 { margin: 0 0 17px; color: var(--white); font-size: 14px; }
    .footer-col a { display: block; margin: 0 0 11px; color: rgba(255, 255, 255, .68); font-size: 14px; }
    .footer-col a:hover { color: var(--lime); }
    .footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 20px; padding-top: 20px; color: rgba(255, 255, 255, .62); font-size: 13px; }
    .footer-bottom a:hover { color: var(--white); }
    .footer-bottom #footer-legal a { margin-left: 8px; }
    .footer-gov { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
    .footer-gov img { display: inline-block; width: 14px; height: 14px; }
    .scroll-progress { position: fixed; top: 0; left: 0; z-index: 40; width: 0; height: 3px; background: var(--teal); }
    .back-top { position: fixed; right: 24px; bottom: 24px; z-index: 18; display: grid; place-items: center; width: 46px; height: 46px; border: 0; border-radius: 50%; color: var(--white); background: var(--teal); box-shadow: 0 14px 30px -16px rgba(46, 164, 152, .9); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .25s ease, transform .25s ease; }
    .back-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

    @media (max-width: 1050px) {
      .primary-nav { gap: 14px; margin-left: 14px; }
      .nav-link { font-size: 13px; }
      .hero-grid { gap: 24px; }
      .hero h1 { font-size: 52px; }
      .about-grid, .partner-grid { gap: 42px; }
      .ecosystem-head h2 { font-size: 38px; }
    }
    @media (max-width: 960px) {
      .site-header { height: 68px; }
      .brand img { width: 132px; }
      .primary-nav, .header-link, .lang-link { display: none; }
      .header-actions { gap: 15px; }
      .menu-toggle { display: block; }
      .mobile-nav { position: absolute; top: 68px; right: 0; left: 0; display: none; max-height: calc(100vh - 68px); padding: 12px 18px 22px; overflow-y: auto; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: 0 22px 34px -28px rgba(7, 23, 53, .48); }
      .mobile-nav.is-open { display: block; }
      .mobile-nav > a, .mobile-nav-summary { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; padding: 9px 6px; border: 0; border-bottom: 1px solid var(--line); color: var(--ink); background: transparent; font-size: 15px; font-weight: 700; text-align: left; cursor: pointer; }
      .mobile-nav details:last-of-type { border-bottom: 1px solid var(--line); }
      .mobile-nav-summary { list-style: none; }
      .mobile-nav-summary::-webkit-details-marker { display: none; }
      .mobile-nav-summary:focus { outline: none; }
      .mobile-nav-summary:focus-visible { border-radius: 6px; outline: 2px solid rgba(46, 164, 152, .45); outline-offset: -2px; }
      .mobile-nav-summary::after { content: "+"; display: grid; place-items: center; width: 24px; height: 24px; color: var(--teal-dark); font-size: 20px; font-weight: 400; line-height: 1; transition: transform .2s ease; }
      .mobile-nav details[open] > .mobile-nav-summary::after { transform: rotate(45deg); }
      .mobile-submenu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; padding: 10px 0 14px; }
      .mobile-submenu a { display: flex; align-items: center; min-height: 42px; padding: 8px 11px; border-radius: 6px; color: var(--muted); background: var(--surface); font-size: 13px; font-weight: 600; line-height: 1.45; }
      .mobile-submenu a:hover { color: var(--teal-dark); background: #eaf5f2; }
      .mobile-submenu .mobile-parent-link { grid-column: 1 / -1; color: var(--teal-dark); background: #eaf5f2; font-weight: 750; }
      .mobile-nav-utility { margin-top: 14px; }
      .mobile-nav-utility a { display: flex; align-items: center; justify-content: center; min-height: 44px; border-radius: 6px; color: var(--white); background: var(--teal-dark); font-size: 14px; font-weight: 750; }
      .container { width: min(var(--container), calc(100% - 36px)); }
      .hero { min-height: auto; padding: 74px 0 48px; }
      .hero-grid, .about-grid, .partner-grid, .platform-layout, .value-grid { grid-template-columns: 1fr; }
      .hero-copy { font-size: 16px; }
      .hero-visual { min-height: 360px; margin-top: 20px; }
      .hero-panel { inset: 8px 0 0 0; }
      .hero-visual img { right: -16px; bottom: -28px; width: 110%; }
      .hero-badge { top: 24px; left: 5px; }
      .trust-inner { grid-template-columns: repeat(3, 1fr); min-height: 132px; }
      .trust-lead { grid-column: 1 / -1; padding: 22px 0 4px; }
      .trust-stat { padding: 10px 12px; }
      .trust-stat strong { font-size: 20px; }
      .section { padding: 76px 0; }
      .section-heading { margin-bottom: 34px; text-align: left; }
      .section-heading .eyebrow { justify-content: flex-start; }
      .section-heading h2 { font-size: 34px; }
      #platform .section-heading h2 span { display: inline; }
      .platform-intro { min-height: 360px; padding: 30px; }
      .platform-intro h3 { font-size: 31px; }
      .product-card { min-height: 250px; padding: 23px; }
      .about-visual { min-height: 350px; padding: 24px; }
      .about-copy h2, .partner-copy h2, .news-header h2 { font-size: 34px; }
      .about-points { gap: 8px; }
      .about-point strong { font-size: 18px; }
      .ecosystem-head, .news-header { display: block; }
      .ecosystem-head h2, .news-header h2 { margin-bottom: 14px; }
      .ecosystem-head p, .news-header p { max-width: 100%; }
      .integration-grid { grid-template-columns: repeat(2, 1fr); }
      .partner-visual { min-height: 330px; padding: 24px; }
      .news-grid { grid-template-columns: 1fr; }
      .news-card img { height: 210px; }
      .value-list { grid-template-columns: 1fr; }
      .value-item { min-height: 0; padding: 28px; border-right: 0; border-bottom: 1px solid var(--line); }
      .value-item:last-child { border-bottom: 0; }
      .contact-panel { min-height: 340px; padding: 30px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 22px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span, .footer-bottom a { display: block; margin-bottom: 7px; }
    }
    @media (max-width: 480px) {
      .mobile-submenu { grid-template-columns: 1fr; }
      .mobile-submenu .mobile-parent-link { grid-column: auto; }
      .section { padding: 68px 0; }
      .section-heading h2 { font-size: 32px; }
      .hero h1 { font-size: 38px; }
      .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
      .hero-actions .btn { width: 100%; padding: 0 12px; }
      .hero-note { gap: 10px 14px; font-size: 13px; }
      .hero-visual { min-height: 305px; }
      .hero-badge { display: none; }
      .trust-inner { grid-template-columns: 1fr 1fr 1fr; }
      .trust-stat { padding: 9px 6px; }
      .trust-stat strong { font-size: 18px; }
      .trust-stat span { font-size: 12px; }
      .product-grid { grid-template-columns: 1fr; }
      .product-card { min-height: 0; }
      .about-points { grid-template-columns: 1fr; }
      .about-point { padding: 12px 0 0; }
      .integration-grid { gap: 8px; }
      .integration-item { min-height: 82px; padding: 12px; }
      .integration-item img { max-width: 108px; max-height: 38px; }
      .partner-visual::after { right: 16px; bottom: 16px; font-size: 9px; letter-spacing: .06em; }
      .contact-phone { font-size: 28px; }
      .back-top { right: 14px; bottom: 14px; width: 42px; height: 42px; }
    }
    @media (max-width: 600px) and (min-width: 481px) {
      .hero h1 { font-size: 48px; }
    }
    @media (max-width: 360px) {
      .brand img { width: 108px; }
      .header-actions { gap: 7px; }
      .header-actions .btn { min-height: 42px; padding: 0 11px; font-size: 12px; white-space: nowrap; }
      .menu-toggle { width: 40px; height: 40px; }
      .hero h1 { font-size: 34px; }
      .hero h1 span:last-child { white-space: normal; }
    }

  .nav-dropdown-grouped { padding: 8px; }
  .nav-group + .nav-group { margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--line); }
  .nav-group-title { display: block; padding: 4px 12px 6px; color: var(--muted-light); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
  .mobile-group-label { display: block; grid-column: 1 / -1; padding: 10px 11px 2px; color: var(--muted-light); font-size: 12px; font-weight: 800; letter-spacing: .08em; }

  .nav-group-link { display: flex; align-items: center; justify-content: space-between; margin: 2px 6px 4px; padding: 8px 10px; border-radius: 6px; color: var(--ink); background: #eff7f5; font-size: 13px; font-weight: 800; letter-spacing: .04em; }
  .nav-group-link:hover { color: var(--teal-dark); }
  .nav-dropdown-extra { margin-top: 8px; padding: 10px 8px 4px; border-top: 1px solid var(--line); }
  .nav-dropdown-extra a { display: block; padding: 8px 12px; border-radius: 6px; color: var(--muted); font-size: 13px; font-weight: 600; }
  .nav-dropdown-extra a:hover { color: var(--ink); background: #eff7f5; }