:root {
      --bg: #fffaf4;
      --bg-soft: #f2fbf8;
      --mint: #9edfd1;
      --peach: #ffd6c9;
      --lemon: #ffe9a9;
      --blue: #b9d9ff;
      --ink: #26323f;
      --muted: #657383;
      --line: rgba(70, 86, 100, 0.14);
      --card: rgba(255, 255, 255, 0.82);
      --brand: #5eb9aa;
      --brand-dark: #24786c;
      --shadow: 0 18px 48px rgba(95, 123, 145, 0.14);
      --radius-lg: 28px;
      --radius-md: 18px;
      --container: 1120px;
      --pad: 20px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 10%, rgba(255, 214, 201, 0.55), transparent 28%),
        radial-gradient(circle at 88% 4%, rgba(185, 217, 255, 0.52), transparent 30%),
        linear-gradient(180deg, #fffaf4 0%, #f5fbf8 46%, #fffaf4 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255, 250, 244, 0.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(94, 185, 170, 0.16);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: var(--ink);
      flex: 0 0 auto;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #163f3a;
      background: linear-gradient(135deg, var(--mint), var(--lemon));
      box-shadow: 0 10px 22px rgba(94, 185, 170, 0.24);
      font-size: 23px;
      letter-spacing: 0;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      gap: 1px;
      line-height: 1.2;
    }

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

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

    .nav-links a {
      padding: 10px 12px;
      border-radius: 999px;
      color: #40505f;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      background: rgba(158, 223, 209, 0.28);
      color: var(--brand-dark);
      transform: translateY(-1px);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 16px;
      border-radius: 999px;
      background: #ffffff;
      color: var(--brand-dark);
      border: 1px solid rgba(94, 185, 170, 0.34);
      box-shadow: 0 8px 20px rgba(94, 185, 170, 0.14);
      font-weight: 700;
      font-size: 14px;
      white-space: nowrap;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 0;
      border-radius: 14px;
      background: #ffffff;
      color: var(--ink);
      box-shadow: 0 8px 20px rgba(87, 106, 128, 0.12);
      cursor: pointer;
    }

    .hero {
      padding: 54px 0 34px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
      align-items: center;
      gap: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(94, 185, 170, 0.22);
      color: var(--brand-dark);
      font-weight: 700;
      font-size: 13px;
      box-shadow: 0 10px 24px rgba(95, 123, 145, 0.08);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(94, 185, 170, 0.16);
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(32px, 6vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #22313d;
    }

    .hero-lead {
      margin: 0;
      max-width: 660px;
      color: #526373;
      font-size: 17px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 13px 20px;
      min-height: 48px;
      font-weight: 800;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #5ec7b6, #ffe29c);
      color: #123d38;
      box-shadow: 0 14px 28px rgba(94, 185, 170, 0.26);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.78);
      color: #314253;
      border: 1px solid rgba(70, 86, 100, 0.14);
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(86, 109, 130, 0.16);
    }

    .hero-note {
      margin-top: 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .visual-card {
      position: relative;
      border-radius: 34px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.62);
      border: 1px solid rgba(255, 255, 255, 0.76);
      box-shadow: var(--shadow);
      overflow: hidden;
      animation: floatIn 0.8s ease both;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      inset: 12px;
      border-radius: 26px;
      background: linear-gradient(135deg, rgba(158, 223, 209, 0.22), rgba(255, 214, 201, 0.18));
      pointer-events: none;
    }

    .visual-image {
      position: relative;
      border-radius: 26px;
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: #f7f1e8;
    }

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

    .warranty-chip {
      position: relative;
      margin-top: 14px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .warranty-chip span {
      padding: 11px 8px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(70, 86, 100, 0.1);
      text-align: center;
      font-size: 13px;
      color: #40505f;
      font-weight: 700;
    }

    .section {
      padding: 34px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 20px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--brand-dark);
      font-weight: 800;
      font-size: 14px;
    }

    h2 {
      margin: 0;
      font-size: clamp(24px, 4vw, 38px);
      line-height: 1.2;
      letter-spacing: -0.03em;
      color: #25323f;
    }

    .section-desc {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

    .about-wrap {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
      gap: 18px;
      align-items: stretch;
    }

    .soft-panel {
      background: var(--card);
      border: 1px solid rgba(255, 255, 255, 0.82);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 12px 34px rgba(86, 109, 130, 0.1);
    }

    .soft-panel p {
      margin: 0;
      color: #526373;
    }

    .info-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .info-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #3f5060;
    }

    .info-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--peach);
      box-shadow: 0 0 0 4px rgba(255, 214, 201, 0.32);
      flex: 0 0 auto;
    }

    .store-card {
      background: linear-gradient(145deg, rgba(255, 233, 169, 0.45), rgba(185, 217, 255, 0.34));
      border-radius: var(--radius-lg);
      padding: 24px;
      border: 1px solid rgba(255, 255, 255, 0.72);
      box-shadow: 0 12px 34px rgba(86, 109, 130, 0.1);
    }

    .store-card h3,
    .service-card h3,
    .scope-card h3,
    .faq-item h3 {
      margin: 0 0 8px;
      font-size: 19px;
      color: #26323f;
    }

    .store-card p {
      margin: 8px 0;
      color: #4b5d6d;
    }

    .map-link {
      display: inline-flex;
      margin-top: 12px;
      padding: 10px 14px;
      border-radius: 999px;
      background: #ffffff;
      color: #1f7469;
      border: 1px solid rgba(94, 185, 170, 0.28);
      font-weight: 800;
    }

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

    .service-card {
      position: relative;
      min-height: 156px;
      padding: 20px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(70, 86, 100, 0.1);
      box-shadow: 0 10px 28px rgba(86, 109, 130, 0.08);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .service-card:hover,
    .scope-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 36px rgba(86, 109, 130, 0.14);
    }

    .icon-dot {
      width: 42px;
      height: 42px;
      margin-bottom: 14px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      background: linear-gradient(135deg, rgba(158, 223, 209, 0.8), rgba(255, 214, 201, 0.7));
      color: #21423d;
      font-weight: 900;
    }

    .service-card p,
    .scope-card p,
    .faq-item p {
      margin: 0;
      color: #5c6b78;
      font-size: 15px;
    }

    .scope-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
      gap: 18px;
      align-items: start;
    }

    .photo-stack {
      display: grid;
      gap: 12px;
    }

    .photo-main,
    .photo-row figure {
      margin: 0;
      overflow: hidden;
      border-radius: 26px;
      background: #f3eee7;
      box-shadow: 0 12px 34px rgba(86, 109, 130, 0.1);
    }

    .photo-main {
      aspect-ratio: 5 / 4;
    }

    .photo-main img,
    .photo-row img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .photo-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .photo-row figure {
      aspect-ratio: 4 / 3;
    }

    .scope-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .scope-card {
      border-radius: 24px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(70, 86, 100, 0.1);
      box-shadow: 0 10px 28px rgba(86, 109, 130, 0.08);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .term {
      display: inline-flex;
      align-items: center;
      margin-bottom: 12px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(158, 223, 209, 0.28);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 900;
    }

    .notice {
      margin-top: 16px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 233, 169, 0.38);
      border: 1px solid rgba(198, 158, 57, 0.18);
      color: #594b28;
    }

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

    .step {
      counter-increment: step;
      padding: 20px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid rgba(70, 86, 100, 0.1);
    }

    .step::before {
      content: counter(step);
      display: grid;
      place-items: center;
      width: 36px;
      height: 36px;
      margin-bottom: 13px;
      border-radius: 14px;
      background: #ffffff;
      color: var(--brand-dark);
      font-weight: 900;
      box-shadow: 0 8px 18px rgba(94, 185, 170, 0.18);
    }

    .step h3 {
      margin: 0 0 8px;
      font-size: 17px;
    }

    .step p {
      margin: 0;
      color: #5c6b78;
      font-size: 15px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(70, 86, 100, 0.1);
      overflow: hidden;
    }

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

    .faq-btn span {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(158, 223, 209, 0.32);
      color: var(--brand-dark);
      flex: 0 0 auto;
      transition: transform 0.2s ease;
    }

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

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

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

    .links-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
      gap: 18px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(242, 251, 248, 0.84));
      border: 1px solid rgba(255, 255, 255, 0.72);
      box-shadow: var(--shadow);
    }

    .link-list {
      margin: 0;
      padding: 0;
      list-style: none;
      columns: 2;
      column-gap: 22px;
    }

    .link-list li {
      break-inside: avoid;
      margin: 0 0 10px;
    }

    .link-list a {
      color: #36556b;
      border-bottom: 1px solid rgba(94, 185, 170, 0.34);
      transition: color 0.2s ease, border-color 0.2s ease;
    }

    .link-list a:hover {
      color: var(--brand-dark);
      border-color: var(--brand-dark);
    }

    .summary-box {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(158, 223, 209, 0.44), rgba(255, 214, 201, 0.34));
      border: 1px solid rgba(255, 255, 255, 0.8);
      box-shadow: 0 14px 34px rgba(86, 109, 130, 0.12);
    }

    .summary-box p {
      margin: 0;
      color: #40505f;
    }

    .site-footer {
      margin-top: 18px;
      padding: 26px 0;
      background: #f7efe6;
      border-top: 1px solid rgba(70, 86, 100, 0.12);
      color: #334250;
    }

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

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 14px;
    }

    .footer-links a {
      color: #36556b;
    }

    .copyright {
      margin: 0;
      color: #596979;
      font-size: 14px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    @keyframes floatIn {
      from {
        opacity: 0;
        transform: translateY(18px) rotate(1deg);
      }
      to {
        opacity: 1;
        transform: translateY(0) rotate(0);
      }
    }

    @media (max-width: 920px) {
      .nav-links,
      .nav-action {
        display: none;
      }

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

      .nav.mobile-open {
        align-items: flex-start;
      }

      .nav.mobile-open .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 72px;
        display: grid;
        gap: 6px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: var(--shadow);
        border: 1px solid rgba(70, 86, 100, 0.1);
      }

      .nav.mobile-open .nav-links a {
        padding: 12px 14px;
      }

      .hero-grid,
      .about-wrap,
      .scope-layout,
      .links-panel {
        grid-template-columns: 1fr;
      }

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

      .hero {
        padding-top: 38px;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .brand-text small {
        display: none;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .warranty-chip,
      .service-grid,
      .scope-grid,
      .process,
      .photo-row {
        grid-template-columns: 1fr;
      }

      .link-list {
        columns: 1;
      }

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

      .section {
        padding: 28px 0;
      }

      .soft-panel,
      .store-card,
      .links-panel,
      .summary-box {
        padding: 20px;
      }
    }