:root {
      --bg: #f8efe2;
      --bg-soft: #fff9ef;
      --paper: #fffdf7;
      --ink: #2d2118;
      --muted: #6f5c4b;
      --line: rgba(111, 83, 54, 0.18);
      --brand: #a35027;
      --brand-2: #d19355;
      --green: #61764b;
      --shadow: 0 18px 48px rgba(103, 69, 36, 0.14);
      --radius: 24px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 10%, rgba(211, 146, 83, 0.18), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(97, 118, 75, 0.12), transparent 26%),
        linear-gradient(180deg, #f7ead8 0%, #fbf4e9 44%, #f8efe2 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.22;
      background-image:
        linear-gradient(rgba(63, 38, 20, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(63, 38, 20, 0.035) 1px, transparent 1px);
      background-size: 22px 22px;
      z-index: -1;
    }

    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(255, 249, 239, 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: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: 0.08em;
      color: var(--ink);
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff8ea;
      font-size: 22px;
      background: linear-gradient(135deg, #7f351f, #d69756);
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.28), 0 10px 24px rgba(127, 53, 31, 0.25);
    }

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

    .nav-links a {
      padding: 10px 12px;
      border-radius: 999px;
      color: #49372a;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      background: rgba(163, 80, 39, 0.11);
      color: var(--brand);
      transform: translateY(-1px);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: 999px;
      background: #2f241b;
      color: #fff7e9;
      font-weight: 700;
      box-shadow: 0 10px 22px rgba(47, 36, 27, 0.18);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--paper);
      color: var(--ink);
      cursor: pointer;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: var(--ink);
      border-radius: 99px;
    }

    main {
      padding: 34px 0 0;
    }

    section {
      scroll-margin-top: 92px;
    }

    .hero {
      padding: 22px 0 42px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
      gap: 32px;
      align-items: center;
      padding: clamp(26px, 5vw, 54px);
      background:
        linear-gradient(135deg, rgba(255, 253, 247, 0.94), rgba(250, 226, 194, 0.74)),
        repeating-linear-gradient(90deg, rgba(68, 45, 28, 0.08) 0 1px, transparent 1px 18px);
      border: 1px solid var(--line);
      border-radius: 34px;
      box-shadow: var(--shadow);
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(209, 147, 85, 0.38), transparent 66%);
      animation: breathe 6s ease-in-out infinite;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(97, 118, 75, 0.12);
      color: #4d5f3b;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid rgba(97, 118, 75, 0.16);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
    }

    h1 {
      margin: 18px 0 14px;
      font-size: clamp(31px, 6.4vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #2b1d14;
    }

    .hero-lead {
      margin: 0;
      max-width: 650px;
      color: var(--muted);
      font-size: clamp(16px, 2vw, 18px);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 16px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
      cursor: pointer;
    }

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

    .btn-primary {
      background: linear-gradient(135deg, #8f3f24, #c5793f);
      color: #fff8ea;
      box-shadow: 0 14px 28px rgba(143, 63, 36, 0.22);
    }

    .btn-secondary {
      background: rgba(255, 253, 247, 0.82);
      color: #3b2b20;
      border-color: var(--line);
    }

    .hero-note {
      margin-top: 18px;
      color: #806750;
      font-size: 14px;
    }

    .film-card {
      position: relative;
      z-index: 1;
      padding: 14px;
      border-radius: 28px;
      background: #2d2118;
      box-shadow: 0 24px 58px rgba(47, 36, 27, 0.22);
      transform: rotate(1.2deg);
    }

    .film-strip {
      display: grid;
      grid-template-columns: repeat(8, 1fr);
      gap: 7px;
      margin-bottom: 12px;
    }

    .film-strip i {
      height: 10px;
      border-radius: 3px;
      background: #f4d2a3;
      opacity: 0.85;
    }

    .hero-img {
      overflow: hidden;
      border-radius: 20px;
      background: #f6ead9;
      aspect-ratio: 4 / 3;
    }

    .hero-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: sepia(0.16) saturate(0.92) contrast(1.04);
      transition: transform 0.6s ease;
    }

    .film-card:hover .hero-img img {
      transform: scale(1.035);
    }

    .film-caption {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: #f9e8cf;
      font-size: 13px;
      margin-top: 12px;
    }

    .section-block {
      padding: 34px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.42fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 20px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--brand);
      font-weight: 800;
      font-size: 14px;
      letter-spacing: 0.08em;
    }

    h2 {
      margin: 0;
      color: #2b1d14;
      font-size: clamp(24px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -0.03em;
    }

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

    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .service-card {
      min-height: 164px;
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255, 253, 247, 0.78);
      box-shadow: 0 12px 28px rgba(103, 69, 36, 0.08);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: rgba(163, 80, 39, 0.32);
      box-shadow: 0 18px 34px rgba(103, 69, 36, 0.13);
    }

    .service-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
      color: #2d2118;
    }

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

    .solution-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.48fr);
      gap: 18px;
      align-items: stretch;
    }

    .steps {
      padding: 28px;
      border-radius: 28px;
      background: linear-gradient(135deg, rgba(255, 253, 247, 0.92), rgba(253, 235, 210, 0.72));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .step-item {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      gap: 14px;
      align-items: start;
      padding: 16px 0;
      border-bottom: 1px dashed rgba(111, 83, 54, 0.22);
    }

    .step-item:first-child {
      padding-top: 0;
    }

    .step-item:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff7e9;
      background: #7f351f;
      font-weight: 900;
      font-size: 14px;
    }

    .step-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
      color: #2d2118;
    }

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

    .side-note {
      padding: 26px;
      border-radius: 28px;
      background: #3a2a1f;
      color: #fff5e8;
      position: relative;
      overflow: hidden;
      box-shadow: 0 18px 42px rgba(58, 42, 31, 0.18);
    }

    .side-note::before {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(255, 235, 204, 0.22);
      border-radius: 22px;
      pointer-events: none;
    }

    .side-note h3 {
      position: relative;
      margin: 0 0 12px;
      font-size: 22px;
      color: #fff5e8;
    }

    .side-note p {
      position: relative;
      margin: 0 0 18px;
      color: #ead7bf;
      font-size: 14px;
    }

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

    .mini-list li {
      padding-left: 18px;
      color: #fff1df;
      font-size: 14px;
      position: relative;
    }

    .mini-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 11px;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #d8a15f;
    }

    .gallery {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      gap: 14px;
    }

    .photo-card {
      overflow: hidden;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: var(--paper);
      box-shadow: 0 14px 30px rgba(103, 69, 36, 0.1);
    }

    .photo-card .photo {
      aspect-ratio: 4 / 3;
      background: #efe1cf;
      overflow: hidden;
    }

    .photo-card:first-child .photo {
      aspect-ratio: 16 / 10;
    }

    .photo-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: sepia(0.12) saturate(0.95);
      transition: transform 0.45s ease;
    }

    .photo-card:hover img {
      transform: scale(1.04);
    }

    .photo-card p {
      margin: 0;
      padding: 14px 16px;
      color: #4b392c;
      font-size: 14px;
      font-weight: 700;
    }

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

    .policy-card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 253, 247, 0.76);
      border: 1px solid var(--line);
    }

    .policy-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #2d2118;
    }

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

    .contact-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
      gap: 18px;
      align-items: stretch;
      padding: clamp(22px, 4vw, 32px);
      border-radius: 32px;
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255, 253, 247, 0.94), rgba(245, 225, 196, 0.72)),
        repeating-linear-gradient(0deg, rgba(102, 69, 42, 0.05) 0 1px, transparent 1px 16px);
      box-shadow: var(--shadow);
    }

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

    .contact-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 253, 247, 0.78);
      border: 1px solid rgba(111, 83, 54, 0.16);
    }

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

    .contact-item strong,
    .contact-item a {
      display: block;
      margin-top: 4px;
      color: #2d2118;
      font-size: 15px;
      font-weight: 800;
      word-break: break-word;
    }

    .qr-box {
      padding: 18px;
      border-radius: 24px;
      background: #fffdf7;
      border: 1px solid var(--line);
      text-align: center;
      display: grid;
      gap: 12px;
      align-content: start;
    }

    .qr-img {
      width: min(100%, 230px);
      margin: 0 auto;
      border-radius: 18px;
      overflow: hidden;
      background: #f3e4d2;
      border: 1px solid rgba(111, 83, 54, 0.18);
    }

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

    .qr-box a {
      color: #7f351f;
      font-weight: 800;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

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

    .faq-item {
      border-radius: 20px;
      background: rgba(255, 253, 247, 0.82);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      border: 0;
      background: transparent;
      color: #2d2118;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 18px;
      font: inherit;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-question::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(163, 80, 39, 0.12);
      color: var(--brand);
      flex: 0 0 auto;
      font-weight: 900;
    }

    .faq-item.active .faq-question::after {
      content: "−";
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
      animation: fadeUp 0.25s ease both;
    }

    .link-panel {
      padding: 22px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: rgba(255, 253, 247, 0.72);
    }

    .link-panel h2 {
      font-size: clamp(22px, 3vw, 30px);
      margin-bottom: 12px;
    }

    .resource-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .resource-links a {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(163, 80, 39, 0.09);
      color: #6f321f;
      border: 1px solid rgba(163, 80, 39, 0.14);
      font-size: 14px;
      font-weight: 700;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .resource-links a:hover {
      background: rgba(163, 80, 39, 0.16);
      transform: translateY(-2px);
    }

    .site-footer {
      margin-top: 34px;
      background: #2f241b;
      color: #fff4e3;
      border-top: 1px solid rgba(255, 242, 220, 0.14);
    }

    .footer-inner {
      padding: 28px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
    }

    .footer-mark {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #d19355;
      color: #2f241b;
    }

    .footer-text {
      margin: 0;
      color: #e4cfb5;
      font-size: 13px;
    }

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

    .footer-links a {
      color: #fff4e3;
      font-size: 13px;
      padding: 6px 0;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.65s ease, transform 0.65s ease;
    }

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

    @keyframes breathe {
      0%, 100% {
        transform: scale(1);
        opacity: 0.72;
      }
      50% {
        transform: scale(1.08);
        opacity: 0.92;
      }
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(6px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 980px) {
      .hero-panel,
      .solution-wrap,
      .contact-panel,
      .section-head {
        grid-template-columns: 1fr;
      }

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

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

      .photo-card:first-child {
        grid-column: 1 / -1;
      }

      .side-note {
        min-height: auto;
      }
    }

    @media (max-width: 760px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .nav {
        min-height: 64px;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-links {
        position: absolute;
        left: 12px;
        right: 12px;
        top: 72px;
        display: none;
        padding: 12px;
        border-radius: 22px;
        background: rgba(255, 253, 247, 0.98);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: stretch;
      }

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

      .nav-links a,
      .nav-cta {
        width: 100%;
        justify-content: center;
      }

      main {
        padding-top: 18px;
      }

      .hero {
        padding: 12px 0 28px;
      }

      .hero-panel {
        padding: 22px;
        border-radius: 26px;
        gap: 22px;
      }

      .film-card {
        transform: none;
      }

      .section-block {
        padding: 26px 0;
      }

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

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

      .btn {
        width: 100%;
      }

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

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }