:root {
      --bg: #fff9f4;
      --bg-soft: #fffdf9;
      --text: #1f2937;
      --muted: #5f6b7a;
      --primary: #7c3aed;
      --primary-2: #06b6d4;
      --warm: #ffb86b;
      --card: rgba(255,255,255,.78);
      --line: rgba(124,58,237,.14);
      --shadow: 0 22px 60px rgba(88, 68, 155, .14);
      --radius: 26px;
      --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(--text);
      background:
        radial-gradient(circle at 8% 5%, rgba(255,184,107,.36), transparent 30%),
        radial-gradient(circle at 86% 10%, rgba(6,182,212,.26), transparent 28%),
        radial-gradient(circle at 50% 42%, rgba(124,58,237,.15), transparent 34%),
        linear-gradient(180deg, #fff7ef 0%, #f7fbff 44%, #fffaf3 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;
      backdrop-filter: blur(18px);
      background: rgba(255, 250, 244, .78);
      border-bottom: 1px solid rgba(124,58,237,.1);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: .02em;
      color: #1e1b4b;
      white-space: nowrap;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-grid;
      place-items: center;
      color: #fff;
      font-size: 23px;
      background: linear-gradient(135deg, #7c3aed, #06b6d4 58%, #ffb86b);
      box-shadow: 0 12px 30px rgba(124,58,237,.22);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      font-size: 14px;
      color: #364152;
      transition: .2s ease;
    }

    .nav-links a:hover {
      background: rgba(124,58,237,.08);
      color: #5b21b6;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 9px 16px;
      border-radius: 999px;
      background: #1f2937;
      color: #fff !important;
      font-weight: 700;
      box-shadow: 0 14px 30px rgba(31,41,55,.16);
    }

    .menu-btn {
      display: none;
      border: 0;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(255,255,255,.85);
      color: #1f2937;
      box-shadow: 0 10px 26px rgba(88, 68, 155, .12);
      cursor: pointer;
      font-size: 22px;
    }

    main {
      position: relative;
    }

    .section {
      padding: 54px 0;
    }

    .hero {
      padding: 58px 0 44px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(320px, .96fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 13px;
      border: 1px solid rgba(124,58,237,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.66);
      color: #5b21b6;
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 12px 26px rgba(124,58,237,.08);
    }

    h1, h2, h3 {
      margin: 0;
      line-height: 1.18;
      color: #172033;
    }

    h1 {
      margin-top: 18px;
      font-size: clamp(34px, 6vw, 62px);
      letter-spacing: -.05em;
    }

    .hero-lead {
      margin: 18px 0 0;
      max-width: 680px;
      font-size: 18px;
      color: #4b5565;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 16px;
      border: 1px solid transparent;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor: pointer;
    }

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

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, #7c3aed, #06b6d4);
      box-shadow: 0 18px 38px rgba(124,58,237,.22);
    }

    .btn-ghost {
      color: #243044;
      background: rgba(255,255,255,.74);
      border-color: rgba(124,58,237,.18);
      box-shadow: 0 14px 28px rgba(88, 68, 155, .1);
    }

    .hero-note {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      max-width: 680px;
    }

    .note-chip {
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.64);
      border: 1px solid rgba(255,255,255,.8);
      color: #374151;
      font-size: 14px;
      box-shadow: 0 12px 24px rgba(88, 68, 155, .08);
    }

    .visual-card {
      position: relative;
      border-radius: 34px;
      padding: 18px;
      background: linear-gradient(145deg, rgba(255,255,255,.72), rgba(255,255,255,.42));
      border: 1px solid rgba(255,255,255,.88);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      inset: -70px auto auto -80px;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: rgba(255,184,107,.4);
      filter: blur(10px);
    }

    .phone-frame {
      position: relative;
      z-index: 1;
      border-radius: 26px;
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: #eef2ff;
      border: 1px solid rgba(124,58,237,.14);
    }

    .phone-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .floating-panel {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      margin: -38px 18px 0;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(124,58,237,.12);
      box-shadow: 0 20px 42px rgba(31,41,55,.13);
    }

    .status-dot {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(6,182,212,.18), rgba(124,58,237,.18));
      display: grid;
      place-items: center;
      color: #5b21b6;
      font-size: 22px;
    }

    .panel-title {
      font-weight: 900;
      color: #172033;
    }

    .panel-text {
      margin-top: 2px;
      color: #667085;
      font-size: 14px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
    }

    .section-head h2 {
      font-size: clamp(26px, 4vw, 40px);
      letter-spacing: -.035em;
    }

    .section-head p {
      margin: 8px 0 0;
      max-width: 650px;
      color: var(--muted);
    }

    .soft-panel {
      border-radius: 32px;
      padding: 28px;
      background: rgba(255,255,255,.66);
      border: 1px solid rgba(255,255,255,.86);
      box-shadow: var(--shadow);
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .service-card {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,.7);
      border: 1px solid var(--line);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(124,58,237,.28);
      box-shadow: 0 18px 36px rgba(88,68,155,.12);
    }

    .icon {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(124,58,237,.13), rgba(6,182,212,.16));
      color: #5b21b6;
      font-size: 21px;
      margin-bottom: 14px;
    }

    .service-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

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

    .solution-layout {
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
      gap: 18px;
      align-items: stretch;
    }

    .diagnose-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .diagnose-list li {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(124,58,237,.1);
    }

    .num {
      width: 30px;
      height: 30px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 13px;
      font-weight: 900;
      background: linear-gradient(135deg, #7c3aed, #06b6d4);
    }

    .diagnose-list strong {
      display: block;
      color: #1f2937;
      margin-bottom: 2px;
    }

    .diagnose-list span {
      display: block;
      color: var(--muted);
      font-size: 14px;
    }

    .image-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      height: 100%;
    }

    .image-tile {
      border-radius: 24px;
      overflow: hidden;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(255,255,255,.86);
      min-height: 180px;
    }

    .image-tile img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .policy-card {
      padding: 22px;
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.82), rgba(255,255,255,.58)),
        radial-gradient(circle at top right, rgba(255,184,107,.22), transparent 42%);
      border: 1px solid rgba(124,58,237,.12);
    }

    .policy-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

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

    .contact-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 18px;
      align-items: stretch;
    }

    .contact-box {
      display: grid;
      gap: 14px;
    }

    .contact-row {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(124,58,237,.1);
    }

    .contact-row strong {
      display: block;
      color: #172033;
      margin-bottom: 4px;
    }

    .contact-row span,
    .contact-row a {
      color: #4b5565;
    }

    .qr-card {
      border-radius: 26px;
      padding: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(124,58,237,.12);
      text-align: center;
    }

    .qr-card img {
      width: 190px;
      margin: 0 auto 12px;
      border-radius: 18px;
      border: 1px solid rgba(124,58,237,.12);
      background: #fff;
    }

    .qr-card strong {
      display: block;
      color: #172033;
      margin-bottom: 4px;
    }

    .qr-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(124,58,237,.12);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: #172033;
      text-align: left;
      padding: 18px 20px;
      font: inherit;
      font-weight: 900;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-question i {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: rgba(124,58,237,.1);
      color: #5b21b6;
      font-style: normal;
      transition: transform .2s ease;
      flex: 0 0 auto;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
    }

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

    .faq-item.active .faq-question i {
      transform: rotate(45deg);
    }

    .links-wrap {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .links-wrap a {
      padding: 12px 14px;
      border-radius: 16px;
      color: #374151;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(124,58,237,.1);
      font-size: 14px;
      transition: .2s ease;
    }

    .links-wrap a:hover {
      color: #5b21b6;
      background: rgba(255,255,255,.86);
      transform: translateY(-2px);
    }

    .site-footer {
      margin-top: 10px;
      padding: 28px 0;
      background: #fff7ef;
      border-top: 1px solid rgba(124,58,237,.12);
      color: #334155;
    }

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

    .footer-inner p {
      margin: 0;
      color: #475569;
      font-size: 14px;
    }

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

    .footer-links a {
      color: #334155;
      font-size: 14px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .65s ease, transform .65s ease;
    }

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

    .glow-orb {
      position: fixed;
      right: 4%;
      bottom: 8%;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(6,182,212,.18), transparent 68%);
      pointer-events: none;
      animation: floatOrb 7s ease-in-out infinite;
      z-index: -1;
    }

    @keyframes floatOrb {
      0%, 100% { transform: translate3d(0,0,0) scale(1); }
      50% { transform: translate3d(-18px,-24px,0) scale(1.08); }
    }

    @media (max-width: 920px) {
      .menu-btn {
        display: inline-grid;
        place-items: center;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255,255,255,.94);
        border: 1px solid rgba(124,58,237,.12);
        box-shadow: var(--shadow);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        text-align: center;
      }

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

      .service-grid,
      .guarantee-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .section-head {
        display: block;
      }

      .links-wrap {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .hero {
        padding-top: 34px;
      }

      .section {
        padding: 38px 0;
      }

      .hero-note,
      .service-grid,
      .guarantee-grid,
      .image-strip,
      .links-wrap {
        grid-template-columns: 1fr;
      }

      .soft-panel {
        padding: 20px;
        border-radius: 26px;
      }

      .floating-panel {
        margin: -26px 10px 0;
        grid-template-columns: 1fr;
      }

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