:root {
      --bg: #f5f8f3;
      --bg-soft: #edf4ec;
      --paper: #ffffff;
      --ink: #1d2b26;
      --muted: #66766e;
      --green: #2f7d62;
      --green-deep: #155743;
      --green-light: #dcebe1;
      --gold: #b98b43;
      --line: rgba(30, 73, 59, 0.14);
      --shadow: 0 18px 45px rgba(31, 87, 67, 0.12);
      --radius: 24px;
      --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 10% 4%, rgba(87, 151, 118, 0.18), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(185, 139, 67, 0.12), transparent 28%),
        linear-gradient(180deg, #f7faf5 0%, #eef5ee 48%, #f8f6ef 100%);
      line-height: 1.7;
    }

    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: 20;
      background: rgba(247, 250, 245, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
    }

    .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(--green-deep);
      letter-spacing: 0.03em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #ffffff;
      font-size: 22px;
      font-weight: 900;
      background: linear-gradient(135deg, #1f6f56, #7cae8c);
      box-shadow: 0 10px 24px rgba(31, 111, 86, 0.24);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
      color: #30463d;
      font-size: 15px;
    }

    .nav-links a {
      position: relative;
      padding: 6px 0;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--green);
      transition: width 0.25s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 18px;
      border-radius: 999px;
      background: var(--green-deep);
      color: #ffffff;
      font-weight: 700;
      box-shadow: 0 10px 22px rgba(21, 87, 67, 0.18);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      white-space: nowrap;
    }

    .nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(21, 87, 67, 0.25);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #ffffff;
      color: var(--green-deep);
      font-size: 22px;
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 54px 0;
    }

    .hero {
      padding: 72px 0 48px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
      gap: 38px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(47, 125, 98, 0.11);
      color: var(--green-deep);
      font-size: 14px;
      font-weight: 700;
      border: 1px solid rgba(47, 125, 98, 0.16);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
      box-shadow: 0 0 0 5px rgba(185, 139, 67, 0.13);
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(34px, 6vw, 58px);
      line-height: 1.12;
      letter-spacing: -0.04em;
      color: #172820;
    }

    .hero-lead {
      margin: 0;
      max-width: 680px;
      color: #4f6259;
      font-size: 18px;
    }

    .hero-actions {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, #236b53, #40906e);
      color: #ffffff;
      box-shadow: 0 16px 30px rgba(35, 107, 83, 0.24);
    }

    .btn-secondary {
      color: var(--green-deep);
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--line);
    }

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

    .hero-note {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 650px;
    }

    .note-item {
      padding: 13px 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.66);
      border: 1px solid var(--line);
      color: #41564d;
      font-size: 14px;
    }

    .visual-card {
      position: relative;
      padding: 14px;
      border-radius: 32px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(47, 125, 98, 0.16);
      box-shadow: var(--shadow);
    }

    .visual-card::before {
      content: "";
      position: absolute;
      inset: -24px -18px auto auto;
      width: 132px;
      height: 132px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(185, 139, 67, 0.22), transparent 68%);
      z-index: -1;
      animation: breathe 5.8s ease-in-out infinite;
    }

    .image-wrap {
      overflow: hidden;
      border-radius: 24px;
      background: var(--green-light);
      aspect-ratio: 4 / 3;
    }

    .image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transform: scale(1.02);
    }

    .address-ribbon {
      margin-top: 14px;
      padding: 16px;
      border-radius: 22px;
      background: linear-gradient(135deg, rgba(237, 246, 239, 0.94), rgba(255, 252, 244, 0.94));
      border: 1px solid var(--line);
    }

    .address-ribbon strong {
      display: block;
      color: var(--green-deep);
      margin-bottom: 4px;
    }

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

    .section-title {
      margin: 0;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.22;
      color: #192b23;
      letter-spacing: -0.03em;
    }

    .section-desc {
      margin: 8px 0 0;
      max-width: 620px;
      color: var(--muted);
    }

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

    .solution-card {
      position: relative;
      min-height: 210px;
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--line);
      box-shadow: 0 12px 28px rgba(31, 87, 67, 0.08);
      transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
    }

    .solution-card:hover {
      transform: translateY(-6px);
      border-color: rgba(47, 125, 98, 0.32);
      box-shadow: 0 20px 38px rgba(31, 87, 67, 0.14);
    }

    .solution-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: var(--green-deep);
      background: #e7f0e8;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .solution-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #21352c;
    }

    .solution-card p {
      margin: 0;
      color: #66766e;
      font-size: 15px;
    }

    .process-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 22px;
      align-items: stretch;
    }

    .process-panel {
      padding: 26px;
      border-radius: var(--radius);
      background: linear-gradient(160deg, rgba(34, 105, 80, 0.96), rgba(73, 134, 98, 0.92));
      color: #ffffff;
      box-shadow: var(--shadow);
    }

    .process-panel h2 {
      margin: 0 0 12px;
      font-size: 30px;
      line-height: 1.25;
    }

    .process-panel p {
      margin: 0 0 18px;
      color: rgba(255, 255, 255, 0.88);
    }

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

    .store-list li {
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.13);
      color: #ffffff;
    }

    .steps {
      display: grid;
      gap: 14px;
    }

    .step {
      display: grid;
      grid-template-columns: 48px minmax(0, 1fr);
      gap: 16px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--line);
    }

    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: #f1eadc;
      color: #8a642b;
      font-weight: 900;
    }

    .step h3 {
      margin: 0 0 5px;
      font-size: 17px;
      color: #26392f;
    }

    .step p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .gallery {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 16px;
      align-items: stretch;
    }

    .gallery-main,
    .gallery-side {
      border-radius: 28px;
      overflow: hidden;
      background: #e7eee7;
      border: 1px solid var(--line);
      box-shadow: 0 12px 28px rgba(31, 87, 67, 0.08);
    }

    .gallery-main {
      aspect-ratio: 16 / 9;
    }

    .gallery-side {
      display: grid;
      grid-template-rows: 1fr 1fr;
      gap: 0;
    }

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

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

    .assurance-card {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--line);
    }

    .assurance-card h3 {
      margin: 0 0 10px;
      color: var(--green-deep);
      font-size: 18px;
    }

    .assurance-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.76);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: #22362d;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      text-align: left;
      cursor: pointer;
      font-size: 16px;
      font-weight: 800;
      font-family: inherit;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #e6f0e7;
      color: var(--green-deep);
      transition: transform 0.2s ease;
    }

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

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

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

    .links-panel {
      padding: 26px;
      border-radius: 28px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--line);
    }

    .links-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px 18px;
      margin-top: 14px;
    }

    .links-grid a {
      color: #2d6552;
      padding: 9px 0;
      border-bottom: 1px dashed rgba(47, 125, 98, 0.18);
      transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .links-grid a:hover {
      color: #174f3d;
      padding-left: 6px;
    }

    .cta-band {
      padding: 30px;
      border-radius: 32px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(232, 244, 235, 0.9)),
        radial-gradient(circle at 92% 20%, rgba(185, 139, 67, 0.16), transparent 30%);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      box-shadow: var(--shadow);
    }

    .cta-band h2 {
      margin: 0 0 6px;
      font-size: 28px;
      color: #1d3329;
    }

    .cta-band p {
      margin: 0;
      color: var(--muted);
    }

    .site-footer {
      margin-top: 18px;
      background: #173d31;
      color: #edf8f2;
    }

    .footer-inner {
      padding: 30px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .footer-inner p {
      margin: 0;
      color: #d7e8df;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

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

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

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

    @keyframes breathe {
      0%, 100% {
        transform: scale(1);
        opacity: 0.72;
      }
      50% {
        transform: scale(1.08);
        opacity: 1;
      }
    }

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

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 72px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 16px;
        border-radius: 22px;
        background: #ffffff;
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

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

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

      .hero-grid,
      .process-wrap,
      .gallery {
        grid-template-columns: 1fr;
      }

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

      .section-head,
      .cta-band,
      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 620px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      section {
        padding: 40px 0;
      }

      .hero {
        padding-top: 50px;
      }

      .hero-note,
      .solution-grid,
      .assurance-grid,
      .links-grid {
        grid-template-columns: 1fr;
      }

      .step {
        grid-template-columns: 1fr;
      }

      .gallery-side {
        grid-template-rows: auto;
      }

      .gallery-side img {
        aspect-ratio: 16 / 10;
      }

      .visual-card,
      .cta-band {
        border-radius: 24px;
      }

      .brand span:last-child {
        display: none;
      }
    }