:root {
      --bg: #f8f5ef;
      --panel: #fffdf8;
      --panel-soft: #f1f7f5;
      --text: #232a31;
      --muted: #69737d;
      --line: #e8ded2;
      --brand: #5d8f8a;
      --brand-dark: #2f625f;
      --accent: #e9b86f;
      --accent-soft: #fff3dd;
      --shadow: 0 18px 50px rgba(72, 82, 91, 0.1);
      --radius-lg: 28px;
      --radius-md: 18px;
      --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 12% 8%, rgba(233, 184, 111, 0.2), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(93, 143, 138, 0.18), transparent 30%),
        linear-gradient(180deg, #faf7f1 0%, #f7f3ea 46%, #f6f8f4 100%);
      line-height: 1.7;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(248, 245, 239, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(232, 222, 210, 0.75);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--brand-dark);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #ffffff;
      background: linear-gradient(135deg, var(--brand-dark), var(--brand));
      box-shadow: 0 10px 28px rgba(47, 98, 95, 0.22);
      font-size: 21px;
    }

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

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: #3d474f;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

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

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 999px;
      background: var(--text);
      color: #ffffff;
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 10px 26px rgba(35, 42, 49, 0.14);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      white-space: nowrap;
    }

    .nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(35, 42, 49, 0.18);
    }

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      background: #fffdf8;
      color: var(--text);
      border-radius: 14px;
      font-size: 20px;
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

    .hero {
      padding: 54px 0 38px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
      gap: 26px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 430px;
      padding: clamp(28px, 5vw, 54px);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(241, 247, 245, 0.9)),
        radial-gradient(circle at 82% 18%, rgba(233, 184, 111, 0.24), transparent 32%);
      border: 1px solid rgba(232, 222, 210, 0.9);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      isolation: isolate;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: 34px;
      top: 34px;
      width: 88px;
      height: 88px;
      border-radius: 32px;
      background: linear-gradient(135deg, rgba(93, 143, 138, 0.18), rgba(233, 184, 111, 0.2));
      transform: rotate(10deg);
      z-index: -1;
      animation: floatSoft 6s ease-in-out infinite;
    }

    .eyebrow {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      margin-bottom: 18px;
      border-radius: 999px;
      background: #ffffff;
      border: 1px solid var(--line);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 700;
    }

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

    h1 {
      margin: 0;
      font-size: clamp(34px, 6vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #1f272d;
    }

    .lead {
      max-width: 660px;
      margin: 20px 0 0;
      color: #53606a;
      font-size: 17px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--brand-dark);
      color: #ffffff;
      box-shadow: 0 14px 30px rgba(47, 98, 95, 0.22);
    }

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

    .btn-secondary {
      background: #ffffff;
      color: var(--brand-dark);
      border: 1px solid var(--line);
    }

    .hero-note {
      margin-top: 22px;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-side {
      display: grid;
      gap: 16px;
      align-content: stretch;
    }

    .check-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: rgba(255, 253, 248, 0.94);
      border: 1px solid var(--line);
      box-shadow: 0 14px 36px rgba(72, 82, 91, 0.08);
    }

    .check-card h2 {
      margin: 0 0 14px;
      font-size: 22px;
      line-height: 1.25;
      color: #263038;
    }

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

    .mini-list li {
      display: grid;
      grid-template-columns: 26px 1fr;
      gap: 10px;
      align-items: start;
      color: #4d5963;
      font-size: 15px;
    }

    .mini-list span {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: var(--accent-soft);
      color: #7a5521;
      font-weight: 900;
      font-size: 13px;
    }

    .hours-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #2f625f, #5d8f8a);
      color: #ffffff;
      box-shadow: 0 18px 40px rgba(47, 98, 95, 0.2);
    }

    .hours-card strong {
      display: block;
      margin-bottom: 6px;
      font-size: 19px;
    }

    .hours-card p {
      margin: 0;
      color: rgba(255, 255, 255, 0.88);
      font-size: 15px;
    }

    .section {
      padding: 34px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 22px;
    }

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

    h2 {
      margin: 0;
      color: #222b32;
      font-size: clamp(25px, 4vw, 38px);
      line-height: 1.18;
      letter-spacing: -0.03em;
    }

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

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

    .service-item {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255, 253, 248, 0.9);
      border: 1px solid var(--line);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .service-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(72, 82, 91, 0.1);
      border-color: rgba(93, 143, 138, 0.35);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      background: var(--panel-soft);
      color: var(--brand-dark);
      font-weight: 900;
    }

    .service-item h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #253038;
    }

    .service-item p {
      margin: 0;
      color: #65717b;
      font-size: 14px;
    }

    .solution-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
      gap: 18px;
      align-items: start;
    }

    .toc-box {
      position: sticky;
      top: 92px;
      padding: 22px;
      border-radius: 24px;
      background: #fffdf8;
      border: 1px solid var(--line);
      box-shadow: 0 12px 30px rgba(72, 82, 91, 0.07);
    }

    .toc-box h3 {
      margin: 0 0 12px;
      font-size: 18px;
    }

    .toc-box a {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 10px 0;
      color: #46525c;
      border-top: 1px solid #eee5db;
      font-size: 14px;
    }

    .toc-box a:hover {
      color: var(--brand-dark);
    }

    .fault-stack {
      display: grid;
      gap: 14px;
    }

    .fault-card {
      padding: 24px;
      border-radius: 24px;
      background: rgba(255, 253, 248, 0.94);
      border: 1px solid var(--line);
    }

    .fault-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      color: #263038;
    }

    .fault-card p {
      margin: 0;
      color: #5f6b75;
      font-size: 15px;
    }

    .fault-card ul {
      margin: 14px 0 0;
      padding-left: 20px;
      color: #4f5b64;
      font-size: 15px;
    }

    .fault-card li + li {
      margin-top: 7px;
    }

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

    .process-card {
      counter-increment: step;
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, #fffdf8, #f4faf7);
      border: 1px solid var(--line);
      position: relative;
      overflow: hidden;
    }

    .process-card::before {
      content: counter(step, decimal-leading-zero);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      margin-bottom: 16px;
      border-radius: 15px;
      background: var(--brand-dark);
      color: #ffffff;
      font-weight: 900;
      font-size: 13px;
    }

    .process-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
    }

    .process-card p {
      margin: 0;
      color: #66727b;
      font-size: 14px;
    }

    .guarantee-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
      gap: 18px;
      align-items: stretch;
      padding: 24px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(255, 243, 221, 0.86));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

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

    .guarantee-list div {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(232, 222, 210, 0.8);
    }

    .guarantee-list strong {
      display: block;
      margin-bottom: 4px;
      color: #29333b;
    }

    .guarantee-list span {
      color: #66727b;
      font-size: 14px;
    }

    .policy-card {
      padding: 22px;
      border-radius: 24px;
      background: #ffffff;
      border: 1px solid var(--line);
    }

    .policy-card h3 {
      margin: 0 0 10px;
      font-size: 19px;
    }

    .policy-card p {
      margin: 0;
      color: #65717b;
      font-size: 14px;
    }

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

    .guide-link {
      padding: 15px 16px;
      border-radius: 18px;
      background: rgba(255, 253, 248, 0.94);
      border: 1px solid var(--line);
      color: #35414a;
      font-size: 14px;
      transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .guide-link:hover {
      transform: translateY(-3px);
      background: #ffffff;
      border-color: rgba(93, 143, 138, 0.38);
      color: var(--brand-dark);
    }

    .contact-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
      gap: 18px;
      align-items: stretch;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: #fffdf8;
      border: 1px solid var(--line);
      box-shadow: 0 16px 40px rgba(72, 82, 91, 0.08);
    }

    .info-lines {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .info-line {
      padding: 14px 16px;
      border-radius: 18px;
      background: #f4faf7;
      color: #3c484f;
      font-size: 15px;
    }

    .map-box {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 14px;
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(135deg, #eef7f4, #fff3dd);
      border: 1px solid var(--line);
    }

    .map-box strong {
      font-size: 20px;
      color: #273138;
    }

    .map-box p {
      margin: 0;
      color: #64707a;
      font-size: 14px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255, 253, 248, 0.95);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .faq-q {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border: 0;
      background: transparent;
      color: #28323a;
      font: inherit;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-q span {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: var(--panel-soft);
      color: var(--brand-dark);
      transition: transform 0.2s ease;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .faq-a p {
      margin: 0;
      padding: 0 20px 18px;
      color: #65717b;
      font-size: 15px;
    }

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

    .faq-item.open .faq-q span {
      transform: rotate(45deg);
    }

    .summary {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #2f625f, #4f817d);
      color: #ffffff;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
    }

    .summary h2 {
      color: #ffffff;
      font-size: clamp(24px, 4vw, 34px);
    }

    .summary p {
      margin: 10px 0 0;
      color: rgba(255, 255, 255, 0.86);
    }

    .summary .btn {
      background: #ffffff;
      color: var(--brand-dark);
      white-space: nowrap;
    }

    .site-footer {
      margin-top: 18px;
      background: #fffdf8;
      border-top: 1px solid var(--line);
      color: #35414a;
    }

    .footer-inner {
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

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

    .footer-links a {
      color: #3f4b54;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--brand-dark);
    }

    .copyright {
      color: #6b767f;
      font-size: 14px;
    }

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

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

    @keyframes floatSoft {
      0%, 100% {
        transform: translateY(0) rotate(10deg);
      }
      50% {
        transform: translateY(10px) rotate(6deg);
      }
    }

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

      .nav {
        min-height: 64px;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 72px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 14px;
        border-radius: 22px;
        background: #fffdf8;
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

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

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

      .nav-action {
        display: none;
      }

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

      .hero-copy {
        min-height: auto;
      }

      .toc-box {
        position: static;
      }

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

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

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

      .hero {
        padding-top: 32px;
      }

      .section {
        padding: 28px 0;
      }

      .hero-copy,
      .check-card,
      .hours-card,
      .guarantee-panel,
      .contact-card,
      .summary {
        border-radius: 24px;
      }

      .service-strip,
      .process,
      .guarantee-list,
      .link-grid {
        grid-template-columns: 1fr;
      }

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

      .btn {
        width: 100%;
      }

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