:root {
      --bg: #071b2f;
      --bg-soft: #0c2944;
      --bg-panel: #f4f8fb;
      --bg-card: #ffffff;
      --ink: #122033;
      --muted: #587084;
      --line: rgba(18, 32, 51, 0.12);
      --navy: #06223b;
      --blue: #0b6da8;
      --cyan: #31b7d8;
      --gold: #d7b168;
      --white: #ffffff;
      --shadow: 0 18px 46px rgba(4, 25, 45, 0.14);
      --radius-lg: 28px;
      --radius-md: 18px;
      --container: 1160px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 6%, rgba(49, 183, 216, 0.22), transparent 30%),
        radial-gradient(circle at 86% 10%, rgba(215, 177, 104, 0.16), transparent 26%),
        linear-gradient(180deg, #06182a 0%, #09223a 34%, #eef5f8 34%, #eef5f8 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(6, 24, 42, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--white);
      font-weight: 800;
      letter-spacing: 0.04em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(135deg, #f1d38a, #28aecd);
      color: #06223b;
      font-size: 24px;
      box-shadow: 0 12px 26px rgba(49, 183, 216, 0.22);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text small {
      margin-top: 4px;
      color: rgba(255, 255, 255, 0.68);
      font-weight: 500;
      letter-spacing: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-links a {
      color: rgba(255, 255, 255, 0.82);
      padding: 10px 12px;
      border-radius: 999px;
      font-size: 14px;
      transition: background 0.25s ease, color 0.25s ease;
    }

    .nav-links a:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--white);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      background: #ffffff;
      color: #06223b;
      font-weight: 700;
      white-space: nowrap;
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.08);
      color: var(--white);
      cursor: pointer;
    }

    main {
      position: relative;
    }

    .hero {
      padding: 72px 0 58px;
      color: var(--white);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
      gap: 36px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(255, 255, 255, 0.86);
      font-size: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 0 6px rgba(49, 183, 216, 0.14);
    }

    h1 {
      margin: 20px 0 18px;
      font-size: clamp(36px, 6vw, 64px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #ffffff;
    }

    .hero-lead {
      max-width: 700px;
      margin: 0;
      color: rgba(255, 255, 255, 0.78);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 16px;
      font-weight: 800;
      transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #f0ce7b, #30bed9);
      color: #06182a;
      box-shadow: 0 16px 34px rgba(49, 183, 216, 0.18);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .hero-note {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 34px;
      max-width: 680px;
    }

    .note-item {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .note-item strong {
      display: block;
      color: #ffffff;
      font-size: 15px;
    }

    .note-item span {
      color: rgba(255, 255, 255, 0.68);
      font-size: 13px;
    }

    .phone-showcase {
      position: relative;
      padding: 18px;
      border-radius: 34px;
      background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
      overflow: hidden;
      animation: floatCard 6s ease-in-out infinite;
    }

    .phone-showcase::before {
      content: "";
      position: absolute;
      inset: auto -40px -60px auto;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: rgba(49, 183, 216, 0.18);
      filter: blur(8px);
    }

    .phone-frame {
      position: relative;
      border-radius: 26px;
      overflow: hidden;
      background: #0b253f;
      aspect-ratio: 4 / 3;
    }

    .phone-frame img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 12px;
    }

    .hero-card-info {
      position: relative;
      display: grid;
      gap: 10px;
      margin-top: 14px;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.92);
      color: var(--ink);
    }

    .hero-card-info strong {
      font-size: 18px;
    }

    .hero-card-info span {
      color: var(--muted);
      font-size: 14px;
    }

    .section {
      padding: 46px 0;
    }

    .section-shell {
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid rgba(255, 255, 255, 0.72);
      border-radius: 34px;
      padding: clamp(22px, 4vw, 42px);
      box-shadow: var(--shadow);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 24px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--blue);
      font-weight: 800;
      letter-spacing: 0.08em;
      font-size: 13px;
    }

    h2 {
      margin: 0;
      color: var(--navy);
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.2;
      letter-spacing: -0.03em;
    }

    .section-desc {
      margin: 0;
      max-width: 520px;
      color: var(--muted);
      font-size: 15px;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .service-card {
      padding: 20px;
      border-radius: 22px;
      background: var(--bg-card);
      border: 1px solid var(--line);
      min-height: 166px;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      border-color: rgba(49, 183, 216, 0.42);
      box-shadow: 0 18px 34px rgba(8, 37, 62, 0.12);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      background: #e8f6fa;
      color: #077297;
      font-weight: 900;
      margin-bottom: 14px;
    }

    h3 {
      margin: 0 0 8px;
      color: var(--navy);
      font-size: 18px;
      line-height: 1.35;
    }

    .service-card p,
    .solution-card p,
    .policy-card p,
    .faq-answer p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .solution-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .solution-media {
      display: grid;
      gap: 14px;
    }

    .media-card {
      border-radius: 26px;
      background: #08253d;
      overflow: hidden;
      border: 1px solid rgba(8, 37, 62, 0.08);
      min-height: 220px;
    }

    .media-card img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 14px;
    }

    .quick-info {
      padding: 20px;
      border-radius: 24px;
      background: linear-gradient(135deg, #06223b, #0d5f84);
      color: #ffffff;
    }

    .quick-info strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
    }

    .quick-info span {
      display: block;
      color: rgba(255, 255, 255, 0.76);
      font-size: 14px;
    }

    .solution-list {
      display: grid;
      gap: 14px;
    }

    .solution-card {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      align-items: start;
      padding: 18px;
      border-radius: 22px;
      background: var(--bg-card);
      border: 1px solid var(--line);
    }

    .step {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: #f3dfaa;
      color: #17314a;
      font-weight: 900;
      font-size: 14px;
    }

    .policy-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .policy-card {
      padding: 20px;
      border-radius: 22px;
      background: linear-gradient(180deg, #ffffff, #f4fbfd);
      border: 1px solid var(--line);
    }

    .policy-card .tag {
      display: inline-flex;
      margin-bottom: 12px;
      padding: 5px 10px;
      border-radius: 999px;
      background: #e7f5f8;
      color: #0b6d8f;
      font-size: 13px;
      font-weight: 800;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 0.86fr;
      gap: 18px;
      align-items: start;
    }

    .contact-panel {
      padding: 24px;
      border-radius: 26px;
      background: #ffffff;
      border: 1px solid var(--line);
    }

    .contact-list {
      display: grid;
      gap: 14px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .contact-list li {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 12px;
      padding: 13px 0;
      border-top: 1px solid var(--line);
    }

    .contact-list b {
      color: var(--navy);
    }

    .contact-list span,
    .contact-list a {
      color: var(--muted);
    }

    .map-link {
      color: #0066cc;
      text-decoration: none;
      font-weight: 800;
    }

    .qr-panel {
      display: grid;
      gap: 16px;
      padding: 24px;
      border-radius: 26px;
      background: linear-gradient(135deg, #06223b, #0c4464);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .qr-panel h3 {
      color: #ffffff;
    }

    .qr-panel p {
      margin: 0;
      color: rgba(255, 255, 255, 0.76);
      font-size: 14px;
    }

    .qr-box {
      display: grid;
      grid-template-columns: 136px 1fr;
      gap: 16px;
      align-items: center;
      padding: 14px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.1);
    }

    .qr-box img {
      width: 136px;
      aspect-ratio: 1 / 1;
      object-fit: contain;
      padding: 8px;
      border-radius: 16px;
      background: #ffffff;
    }

    .faq-wrap {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 20px;
      background: #ffffff;
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .faq-button {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--navy);
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      text-align: left;
      font: inherit;
      font-weight: 800;
      cursor: pointer;
    }

    .faq-button span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #edf7fa;
      color: #0b6da8;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-button span:last-child {
      transform: rotate(45deg);
    }

    .related-links {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 20px;
    }

    .related-links a {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--line);
      color: #12304a;
      font-size: 14px;
      transition: transform 0.22s ease, background 0.22s ease;
    }

    .related-links a:hover {
      transform: translateY(-3px);
      background: #ffffff;
    }

    .site-footer {
      margin-top: 10px;
      background: #06182a;
      color: #ffffff;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 26px 0;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .footer-brand .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      font-size: 20px;
    }

    .footer-text {
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 12px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.78);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes floatCard {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-10px);
      }
    }

    @media (max-width: 980px) {
      .nav-links,
      .nav-action {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .site-header.open .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 72px;
        display: grid;
        gap: 6px;
        padding: 14px;
        border-radius: 22px;
        background: #08233b;
        box-shadow: 0 20px 38px rgba(0, 0, 0, 0.22);
      }

      .site-header.open .nav-links a {
        border-radius: 14px;
      }

      .hero-grid,
      .solution-layout,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .service-grid,
      .policy-grid,
      .related-links {
        grid-template-columns: repeat(2, 1fr);
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 640px) {
      body {
        background:
          radial-gradient(circle at 12% 3%, rgba(49, 183, 216, 0.2), transparent 34%),
          linear-gradient(180deg, #06182a 0%, #09223a 30%, #eef5f8 30%, #eef5f8 100%);
      }

      .container {
        width: min(100% - 24px, var(--container));
      }

      .hero {
        padding: 44px 0 36px;
      }

      .hero-note,
      .service-grid,
      .policy-grid,
      .related-links {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 28px 0;
      }

      .section-shell {
        border-radius: 26px;
        padding: 20px;
      }

      .contact-list li {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .qr-box {
        grid-template-columns: 1fr;
      }

      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }