:root {
      --bg: #f6f7ef;
      --bg-soft: #eef3e5;
      --paper: #ffffff;
      --paper-warm: #fbfbf5;
      --text: #1e2b24;
      --muted: #5d6b62;
      --green: #2f6f55;
      --green-deep: #1f4f3e;
      --green-soft: #dce9d5;
      --moss: #7d9965;
      --line: #d8e2d1;
      --gold: #b88a42;
      --shadow: 0 18px 45px rgba(38, 75, 58, 0.12);
      --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", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(125, 153, 101, 0.18), transparent 34%),
        radial-gradient(circle at 95% 18%, rgba(47, 111, 85, 0.12), transparent 30%),
        linear-gradient(180deg, #f8f7ee 0%, #f2f5ea 48%, #f6f7ef 100%);
      line-height: 1.75;
      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(246, 247, 239, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(216, 226, 209, 0.85);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 800;
      color: var(--green-deep);
      letter-spacing: 0.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #ffffff;
      font-size: 23px;
      background:
        linear-gradient(135deg, #1f4f3e, #4c8666),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.32), transparent 36%);
      box-shadow: 0 10px 24px rgba(31, 79, 62, 0.22);
    }

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

    .brand-text strong {
      font-size: 17px;
    }

    .brand-text span {
      margin-top: 3px;
      font-size: 12px;
      color: var(--muted);
      font-weight: 600;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      flex: 1 1 auto;
    }

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      font-size: 14px;
      color: #34483c;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

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

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 999px;
      color: #ffffff;
      font-size: 14px;
      font-weight: 700;
      background: var(--green-deep);
      box-shadow: 0 10px 22px rgba(31, 79, 62, 0.18);
      white-space: nowrap;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      background: #173f31;
      box-shadow: 0 14px 28px rgba(31, 79, 62, 0.22);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--paper);
      color: var(--green-deep);
      font-size: 21px;
      cursor: pointer;
    }

    main {
      position: relative;
    }

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

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
      gap: 26px;
      align-items: stretch;
    }

    .hero-copy {
      position: relative;
      padding: 42px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,0.92), rgba(248,250,242,0.95)),
        repeating-linear-gradient(45deg, rgba(47,111,85,0.05) 0 1px, transparent 1px 12px);
      border: 1px solid rgba(216, 226, 209, 0.96);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -72px;
      bottom: -82px;
      width: 210px;
      height: 210px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(125,153,101,0.22), transparent 68%);
      pointer-events: none;
      animation: breathe 5.8s ease-in-out infinite;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 12px;
      border-radius: 999px;
      background: #edf5e8;
      color: var(--green-deep);
      font-size: 13px;
      font-weight: 700;
      border: 1px solid #d7e8cf;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--moss);
      box-shadow: 0 0 0 5px rgba(125, 153, 101, 0.14);
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -0.045em;
      color: #17261f;
    }

    .hero-lead {
      margin: 20px 0 0;
      max-width: 680px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--green-deep), #3c795e);
      color: #ffffff;
      box-shadow: 0 14px 28px rgba(31, 79, 62, 0.2);
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--green-deep);
      border-color: var(--line);
    }

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

    .btn-primary:hover {
      box-shadow: 0 18px 32px rgba(31, 79, 62, 0.24);
    }

    .hero-note {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      max-width: 620px;
    }

    .note-pill {
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(237, 245, 232, 0.86);
      color: #2a4738;
      font-size: 13px;
      border: 1px solid #dbe9d4;
    }

    .hero-panel {
      padding: 22px;
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, #2b614b, #1f4f3e);
      color: #ffffff;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 18px 18px auto auto;
      width: 110px;
      height: 110px;
      border-radius: 999px;
      background: rgba(255,255,255,0.12);
    }

    .panel-card {
      position: relative;
      padding: 24px;
      border-radius: 22px;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.18);
    }

    .panel-title {
      margin: 0 0 12px;
      font-size: 22px;
      line-height: 1.35;
      color: #ffffff;
    }

    .panel-text {
      margin: 0;
      color: rgba(255,255,255,0.84);
      font-size: 15px;
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.92);
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #e7f2df;
      color: var(--green-deep);
      font-weight: 900;
      font-size: 13px;
      margin-top: 2px;
    }

    .section {
      padding: 34px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 22px;
    }

    .section-kicker {
      margin: 0 0 7px;
      color: var(--gold);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.08em;
    }

    h2 {
      margin: 0;
      color: #18271f;
      font-size: clamp(25px, 3.2vw, 38px);
      line-height: 1.2;
      letter-spacing: -0.03em;
    }

    .section-desc {
      margin: 0;
      max-width: 500px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .answer-box {
      padding: 28px;
      border-radius: var(--radius-xl);
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 34px rgba(38, 75, 58, 0.08);
    }

    .answer-box h3,
    .card h3,
    .process-card h3,
    .faq-item h3 {
      margin: 0 0 10px;
      color: #1b3026;
      font-size: 20px;
      line-height: 1.35;
    }

    .answer-box p,
    .card p,
    .process-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .mini-list {
      display: grid;
      gap: 11px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .mini-list li {
      padding-left: 20px;
      position: relative;
      color: #3d5045;
      font-size: 14px;
    }

    .mini-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 11px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--moss);
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: #bdd1b2;
      box-shadow: 0 16px 32px rgba(38, 75, 58, 0.1);
    }

    .card-icon {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      background: #e8f1e1;
      color: var(--green-deep);
      font-weight: 900;
    }

    .solution-wrap {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .process-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, #ffffff, #fbfcf6);
      border: 1px solid var(--line);
      position: relative;
      overflow: hidden;
      min-height: 210px;
    }

    .process-card::after {
      content: "";
      position: absolute;
      right: -26px;
      top: -28px;
      width: 92px;
      height: 92px;
      border-radius: 50%;
      background: rgba(125, 153, 101, 0.14);
    }

    .step-tag {
      display: inline-flex;
      margin-bottom: 18px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #edf5e8;
      color: var(--green-deep);
      font-size: 13px;
      font-weight: 900;
    }

    .assurance {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: start;
    }

    .policy-panel {
      padding: 28px;
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, #eef4e7, #ffffff);
      border: 1px solid var(--line);
    }

    .policy-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .policy-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.74);
      border: 1px solid #dbe6d5;
    }

    .policy-item strong {
      display: block;
      color: var(--green-deep);
      font-size: 15px;
      margin-bottom: 5px;
    }

    .policy-item span {
      color: var(--muted);
      font-size: 13px;
    }

    .gallery {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .photo-card {
      overflow: hidden;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: #ffffff;
      box-shadow: 0 12px 30px rgba(38, 75, 58, 0.08);
    }

    .photo-card img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: contain;
      background: #f7f8f1;
      padding: 8px;
      transition: transform 0.35s ease;
    }

    .photo-card:hover img {
      transform: scale(1.025);
    }

    .contact-band {
      display: grid;
      grid-template-columns: 1fr 0.9fr;
      gap: 22px;
      padding: 28px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(31,79,62,0.96), rgba(65,119,91,0.96)),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.18), transparent 30%);
      color: #ffffff;
      box-shadow: var(--shadow);
      align-items: center;
    }

    .contact-band h2 {
      color: #ffffff;
    }

    .contact-band p {
      color: rgba(255,255,255,0.84);
      margin: 12px 0 0;
    }

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

    .contact-line {
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.16);
      color: rgba(255,255,255,0.92);
    }

    .contact-line strong {
      display: block;
      color: #ffffff;
      margin-bottom: 2px;
    }

    .map-link {
      color: #1f4f3e;
      background: #f2f8ed;
      display: inline-flex;
      margin-top: 16px;
      padding: 10px 14px;
      border-radius: 999px;
      font-weight: 800;
    }

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

    .faq-item {
      border-radius: 20px;
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .faq-btn {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 20px;
      border: 0;
      background: transparent;
      color: #1b3026;
      font: inherit;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-btn span {
      flex: 1 1 auto;
    }

    .faq-btn b {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #edf5e8;
      color: var(--green-deep);
      transition: transform 0.2s ease;
    }

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.26s ease;
    }

    .faq-content p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.open .faq-content {
      max-height: 180px;
    }

    .faq-item.open .faq-btn b {
      transform: rotate(45deg);
    }

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

    .links-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-top: 16px;
    }

    .links-grid a {
      padding: 12px 14px;
      border-radius: 14px;
      color: #2d493a;
      background: #f2f6ed;
      border: 1px solid #dce8d5;
      font-size: 14px;
      transition: transform 0.18s ease, background 0.18s ease;
    }

    .links-grid a:hover {
      transform: translateY(-2px);
      background: #e5f0dd;
    }

    .site-footer {
      margin-top: 20px;
      background: #eef3e5;
      color: #26372d;
      border-top: 1px solid #d7e3cf;
    }

    .footer-inner {
      padding: 26px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      color: var(--green-deep);
    }

    .footer-brand .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 13px;
      font-size: 19px;
    }

    .footer-text {
      margin: 0;
      color: #59685f;
      font-size: 13px;
      text-align: right;
    }

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

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

    @keyframes breathe {
      0%, 100% {
        transform: scale(1);
        opacity: 0.75;
      }
      50% {
        transform: scale(1.08);
        opacity: 1;
      }
    }

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

      .nav {
        min-height: 66px;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 74px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 22px;
        background: #ffffff;
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

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

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

      .nav-cta {
        display: none;
      }

      .hero-grid,
      .service-strip,
      .assurance,
      .contact-band {
        grid-template-columns: 1fr;
      }

      .solution-wrap {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 10px;
      }
    }

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

      .hero {
        padding: 32px 0 24px;
      }

      .hero-copy,
      .answer-box,
      .policy-panel,
      .contact-band,
      .links-panel {
        padding: 22px;
      }

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

      .hero-actions {
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .section {
        padding: 26px 0;
      }

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

      .footer-text {
        text-align: left;
      }
    }