:root {
      --bg: #fff8f6;
      --bg-soft: #fff1ee;
      --card: #ffffff;
      --card-tint: #fff7f4;
      --text: #2e2524;
      --muted: #725f5c;
      --light: #9a8581;
      --line: #edd8d2;
      --brand: #b85a50;
      --brand-deep: #8f3f39;
      --brand-soft: #f4d8d3;
      --gold: #b8895f;
      --shadow: 0 18px 48px rgba(128, 61, 53, 0.12);
      --shadow-soft: 0 10px 28px rgba(128, 61, 53, 0.08);
      --radius-xl: 28px;
      --radius-lg: 20px;
      --radius-md: 14px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 4%, rgba(222, 132, 119, 0.22), transparent 28rem),
        radial-gradient(circle at 92% 18%, rgba(248, 205, 193, 0.42), transparent 26rem),
        linear-gradient(180deg, #fff8f6 0%, #fff5f1 44%, #fffaf8 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    button {
      font: inherit;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(255, 248, 246, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(237, 216, 210, 0.78);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 800;
      letter-spacing: 0.04em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #ffffff;
      background: linear-gradient(135deg, #b85a50, #d98b7f);
      box-shadow: 0 10px 24px rgba(184, 90, 80, 0.24);
      font-size: 22px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 16px;
      color: var(--text);
    }

    .brand-text span {
      font-size: 12px;
      color: var(--muted);
      font-weight: 600;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      flex-wrap: wrap;
    }

    .nav-links a {
      padding: 9px 11px;
      border-radius: 999px;
      color: #594844;
      font-size: 14px;
      font-weight: 650;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      background: var(--brand-soft);
      color: var(--brand-deep);
      transform: translateY(-1px);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 999px;
      background: var(--brand-deep);
      color: #ffffff;
      font-weight: 750;
      font-size: 14px;
      box-shadow: 0 12px 24px rgba(143, 63, 57, 0.22);
      white-space: nowrap;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(143, 63, 57, 0.28);
    }

    .menu-toggle {
      display: none;
      border: 1px solid var(--line);
      background: #ffffff;
      border-radius: 12px;
      padding: 9px 12px;
      color: var(--brand-deep);
      font-weight: 800;
    }

    main {
      position: relative;
    }

    section {
      padding: 54px 0;
    }

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

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
      gap: 30px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.7);
      color: var(--brand-deep);
      font-size: 13px;
      font-weight: 750;
      box-shadow: var(--shadow-soft);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(184, 90, 80, 0.12);
    }

    h1 {
      margin: 20px 0 16px;
      font-size: clamp(34px, 6vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.045em;
      color: #2b211f;
    }

    .hero-lead {
      margin: 0;
      max-width: 680px;
      font-size: clamp(16px, 2vw, 19px);
      color: #665350;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 780;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, #9d453f, #c76e62);
      color: #ffffff;
      box-shadow: 0 16px 34px rgba(157, 69, 63, 0.22);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.78);
      color: var(--brand-deep);
      border-color: var(--line);
    }

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

    .hero-note {
      margin-top: 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 239, 235, 0.96));
      border: 1px solid rgba(237, 216, 210, 0.9);
      box-shadow: var(--shadow);
      padding: 22px;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -70px;
      top: -60px;
      border-radius: 50%;
      background: rgba(184, 90, 80, 0.13);
      animation: floatGlow 6s ease-in-out infinite alternate;
    }

    .device-panel {
      position: relative;
      border-radius: 24px;
      background: #ffffff;
      border: 1px solid #f0ddd8;
      padding: 18px;
      min-height: 310px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 16px;
    }

    .device-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
    }

    .diagnose-title {
      margin: 0;
      font-size: 20px;
      line-height: 1.35;
      color: #342927;
    }

    .status-pill {
      flex: 0 0 auto;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--brand-deep);
      background: var(--bg-soft);
      font-size: 12px;
      font-weight: 800;
    }

    .touch-map {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 9px;
      padding: 16px;
      border-radius: 20px;
      background: linear-gradient(135deg, #fff7f4, #fffdfc);
      border: 1px solid #f1dfda;
    }

    .touch-cell {
      aspect-ratio: 1;
      border-radius: 12px;
      background: #f8e7e2;
      border: 1px solid #efd1ca;
      animation: softPulse 3.4s ease-in-out infinite;
    }

    .touch-cell:nth-child(3),
    .touch-cell:nth-child(7),
    .touch-cell:nth-child(11) {
      background: #d78b80;
      border-color: #bf6f65;
      box-shadow: 0 8px 18px rgba(184, 90, 80, 0.18);
    }

    .device-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .device-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #5c4945;
      font-size: 14px;
    }

    .device-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 9px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--brand);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 26px;
    }

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

    h2 {
      margin: 0;
      font-size: clamp(25px, 3.4vw, 38px);
      line-height: 1.2;
      letter-spacing: -0.025em;
      color: #2f2422;
    }

    .section-desc {
      margin: 0;
      max-width: 430px;
      color: var(--muted);
      font-size: 15px;
    }

    .anchor-strip {
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .anchor-strip a {
      padding: 9px 13px;
      border-radius: 999px;
      background: #fff7f4;
      color: #654d48;
      border: 1px solid #f0ddd8;
      font-weight: 700;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .anchor-strip a:hover {
      background: var(--brand-deep);
      color: #ffffff;
    }

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

    .service-card {
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-soft);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
      border-color: #e5bdb5;
    }

    .service-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: var(--bg-soft);
      color: var(--brand-deep);
      font-weight: 900;
      margin-bottom: 14px;
    }

    .service-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #312725;
    }

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

    .solution-wrap {
      display: grid;
      grid-template-columns: 0.96fr 1.04fr;
      gap: 18px;
      align-items: stretch;
    }

    .solution-panel {
      border-radius: var(--radius-xl);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: var(--shadow-soft);
      padding: 24px;
    }

    .solution-panel h3 {
      margin: 0 0 12px;
      font-size: 22px;
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 26px 1fr;
      gap: 10px;
      align-items: flex-start;
      color: #5d4b47;
    }

    .check-list li::before {
      content: "✓";
      width: 26px;
      height: 26px;
      border-radius: 9px;
      display: grid;
      place-items: center;
      background: #f3d8d2;
      color: var(--brand-deep);
      font-weight: 900;
      line-height: 1;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 12px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      background: #fff8f6;
      border: 1px solid #f0ddd8;
    }

    .step::before {
      content: counter(step);
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, #b85a50, #d4897e);
      color: #ffffff;
      font-weight: 900;
      box-shadow: 0 10px 20px rgba(184, 90, 80, 0.18);
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 17px;
    }

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

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .photo-card {
      overflow: hidden;
      border-radius: 22px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .photo-card .img-box {
      aspect-ratio: 4 / 3;
      background: #fff1ee;
      display: grid;
      place-items: center;
    }

    .photo-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .photo-card p {
      margin: 0;
      padding: 12px 14px 14px;
      color: #665350;
      font-size: 14px;
      font-weight: 650;
    }

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

    .policy-card {
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, #ffffff, #fff8f6);
      border: 1px solid var(--line);
      padding: 20px;
      box-shadow: var(--shadow-soft);
    }

    .policy-card h3 {
      margin: 0 0 9px;
      font-size: 18px;
    }

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

    .contact-card {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
      align-items: stretch;
      padding: 24px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.92), rgba(255,241,238,0.9));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .contact-info {
      display: grid;
      gap: 12px;
    }

    .info-row {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid #f1dfda;
    }

    .info-row span {
      color: var(--light);
      font-weight: 750;
      font-size: 14px;
    }

    .info-row strong,
    .info-row a {
      color: #322725;
      font-weight: 780;
      word-break: break-word;
    }

    .qr-area {
      display: grid;
      grid-template-columns: 1fr;
      gap: 12px;
      align-content: start;
    }

    .qr-box {
      padding: 16px;
      border-radius: 22px;
      background: #ffffff;
      border: 1px solid #f0ddd8;
      box-shadow: var(--shadow-soft);
    }

    .qr-box h3 {
      margin: 0 0 10px;
      font-size: 18px;
    }

    .qr-img {
      width: min(190px, 100%);
      margin: 0 auto 10px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff8f6;
    }

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

    .map-link {
      color: #8f3f39;
      text-decoration: underline;
      text-underline-offset: 3px;
      font-weight: 780;
    }

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

    .faq-item {
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.84);
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 20px;
      text-align: left;
      cursor: pointer;
      font-weight: 800;
    }

    .faq-question span {
      font-size: 18px;
      color: var(--brand-deep);
      transition: transform 0.22s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

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

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

    .links-box {
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--line);
      padding: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      box-shadow: var(--shadow-soft);
    }

    .links-box a {
      padding: 9px 12px;
      border-radius: 999px;
      background: #fff7f4;
      border: 1px solid #f0ddd8;
      color: #614d49;
      font-size: 14px;
      font-weight: 700;
    }

    .cta-band {
      padding: 28px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, #9f4740, #d48277);
      color: #ffffff;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      box-shadow: 0 20px 45px rgba(159, 71, 64, 0.22);
    }

    .cta-band h2 {
      color: #ffffff;
      font-size: clamp(24px, 3vw, 34px);
    }

    .cta-band p {
      margin: 8px 0 0;
      color: rgba(255, 255, 255, 0.9);
    }

    .cta-band .btn {
      background: #ffffff;
      color: var(--brand-deep);
      box-shadow: none;
    }

    .site-footer {
      margin-top: 8px;
      background: #fff1ee;
      border-top: 1px solid #ead1ca;
      color: #473735;
    }

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

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

    .footer-links a {
      color: #6d534f;
      font-weight: 700;
      font-size: 14px;
    }

    .copyright {
      color: #6d534f;
      font-size: 14px;
      margin: 0;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }

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

    @keyframes floatGlow {
      from {
        transform: translate3d(0, 0, 0) scale(1);
      }
      to {
        transform: translate3d(-18px, 18px, 0) scale(1.08);
      }
    }

    @keyframes softPulse {
      0%, 100% {
        opacity: 0.72;
      }
      50% {
        opacity: 1;
      }
    }

    @media (max-width: 980px) {
      .nav {
        min-height: 66px;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 74px;
        padding: 14px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
        display: none;
        justify-content: flex-start;
      }

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

      .nav-action {
        display: none;
      }

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

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

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

      .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
      }

      .cta-band {
        grid-template-columns: 1fr;
      }
    }

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

      section {
        padding: 38px 0;
      }

      .hero {
        padding-top: 38px;
      }

      .brand-text span {
        display: none;
      }

      .hero-actions,
      .anchor-strip,
      .links-box {
        flex-direction: column;
        align-items: stretch;
      }

      .btn,
      .anchor-strip a,
      .links-box a {
        width: 100%;
      }

      .service-grid,
      .gallery-grid,
      .guarantee {
        grid-template-columns: 1fr;
      }

      .hero-card,
      .solution-panel,
      .contact-card,
      .cta-band {
        padding: 18px;
        border-radius: 24px;
      }

      .device-panel {
        min-height: auto;
      }

      .info-row {
        grid-template-columns: 1fr;
        gap: 4px;
      }

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