:root {
      --bg: #fff8f2;
      --bg-soft: #fff1e6;
      --card: #ffffff;
      --card-warm: #fff6ed;
      --text: #2f241f;
      --muted: #74625a;
      --light-muted: #8b7468;
      --brand: #a94f32;
      --brand-dark: #7f3523;
      --brand-soft: #f3d4c5;
      --accent: #d98b58;
      --line: #ead7ca;
      --shadow: 0 18px 48px rgba(127, 53, 35, 0.12);
      --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% 6%, rgba(217, 139, 88, 0.17), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(169, 79, 50, 0.12), transparent 30%),
        linear-gradient(180deg, #fff8f2 0%, #fffaf6 46%, #fff4ea 100%);
      line-height: 1.7;
      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: 20;
      background: rgba(255, 248, 242, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(234, 215, 202, 0.8);
    }

    .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;
      color: var(--brand-dark);
      white-space: nowrap;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 24px;
      font-weight: 900;
      background: linear-gradient(135deg, #b85a39, #74311f);
      box-shadow: 0 10px 24px rgba(127, 53, 35, 0.22);
    }

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

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

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

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

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: #59443a;
      font-size: 14px;
      font-weight: 650;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--brand-dark);
      background: rgba(169, 79, 50, 0.09);
      transform: translateY(-1px);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      font-size: 14px;
      font-weight: 750;
      box-shadow: 0 12px 26px rgba(127, 53, 35, 0.18);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(127, 53, 35, 0.23);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff8f2;
      color: var(--brand-dark);
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 2px;
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .hero {
      padding: 56px 0 38px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--brand-dark);
      background: rgba(243, 212, 197, 0.72);
      border: 1px solid rgba(169, 79, 50, 0.16);
      font-size: 13px;
      font-weight: 750;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(217, 139, 88, 0.16);
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(32px, 6vw, 56px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #2d1c16;
    }

    .lead {
      max-width: 680px;
      margin: 0;
      color: #665148;
      font-size: clamp(16px, 2vw, 19px);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 16px;
      border: 1px solid transparent;
      font-weight: 780;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, #b55a3d, #78301f);
      box-shadow: 0 14px 34px rgba(127, 53, 35, 0.22);
    }

    .btn-secondary {
      color: var(--brand-dark);
      background: rgba(255, 255, 255, 0.72);
      border-color: rgba(169, 79, 50, 0.2);
    }

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

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

    .decision-panel {
      position: relative;
      padding: 22px;
      border: 1px solid rgba(169, 79, 50, 0.16);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 241, 230, 0.82));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .decision-panel::after {
      content: "";
      position: absolute;
      right: -50px;
      top: -50px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: rgba(217, 139, 88, 0.2);
    }

    .panel-title {
      position: relative;
      z-index: 1;
      margin: 0 0 16px;
      font-size: 22px;
      color: #352018;
    }

    .choice-list {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
    }

    .choice-item {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(234, 215, 202, 0.92);
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .choice-item:hover {
      transform: translateY(-3px);
      border-color: rgba(169, 79, 50, 0.28);
    }

    .choice-item strong {
      display: block;
      margin-bottom: 4px;
      color: var(--brand-dark);
      font-size: 16px;
    }

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

    .section {
      padding: 42px 0;
    }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.7fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-heading h2 {
      margin: 0;
      font-size: clamp(25px, 4vw, 38px);
      line-height: 1.18;
      letter-spacing: -0.03em;
      color: #342018;
    }

    .section-heading p {
      margin: 0;
      color: var(--muted);
    }

    .toc {
      padding: 18px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(234, 215, 202, 0.9);
      box-shadow: 0 12px 32px rgba(127, 53, 35, 0.08);
    }

    .toc ul {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .toc a {
      display: block;
      padding: 11px 12px;
      border-radius: 14px;
      color: #63483d;
      background: #fff8f2;
      border: 1px solid rgba(234, 215, 202, 0.78);
      font-size: 14px;
      font-weight: 700;
      text-align: center;
      transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    }

    .toc a:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
      transform: translateY(-2px);
    }

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

    .service-card {
      padding: 22px;
      min-height: 210px;
      border-radius: 24px;
      background: var(--card);
      border: 1px solid rgba(234, 215, 202, 0.9);
      box-shadow: 0 12px 30px rgba(127, 53, 35, 0.07);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 18px 40px rgba(127, 53, 35, 0.13);
    }

    .service-card .tag {
      display: inline-flex;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--brand-dark);
      background: #fff0e5;
      font-size: 12px;
      font-weight: 800;
    }

    .service-card h3 {
      margin: 14px 0 8px;
      font-size: 19px;
      color: #342018;
    }

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

    .compare-wrap {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .compare-card {
      padding: 24px;
      border-radius: 26px;
      background: linear-gradient(180deg, #ffffff, #fff7ef);
      border: 1px solid rgba(234, 215, 202, 0.92);
      box-shadow: 0 14px 36px rgba(127, 53, 35, 0.08);
    }

    .compare-card h3 {
      margin: 0 0 12px;
      font-size: 23px;
      color: var(--brand-dark);
    }

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

    .compare-card li {
      position: relative;
      padding-left: 22px;
      color: #5f4b42;
    }

    .compare-card li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
    }

    .process {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: 18px;
      align-items: start;
    }

    .warm-card {
      padding: 24px;
      border-radius: 26px;
      background: linear-gradient(135deg, #a94f32, #76311f);
      color: #fffaf5;
      box-shadow: 0 20px 46px rgba(127, 53, 35, 0.2);
    }

    .warm-card h3 {
      margin: 0 0 10px;
      font-size: 24px;
    }

    .warm-card p {
      margin: 0 0 16px;
      color: #ffe9dc;
    }

    .store-info {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .store-info div {
      padding: 12px 14px;
      border-radius: 16px;
      color: #4b342b;
      background: #fff8f2;
      font-weight: 700;
    }

    .steps {
      display: grid;
      gap: 12px;
    }

    .step {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr);
      gap: 14px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(234, 215, 202, 0.86);
    }

    .step span {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--accent), var(--brand));
      font-weight: 900;
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 18px;
      color: #352018;
    }

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

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

    .guarantee-item {
      padding: 20px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid rgba(234, 215, 202, 0.92);
      box-shadow: 0 12px 30px rgba(127, 53, 35, 0.06);
    }

    .guarantee-item strong {
      display: block;
      margin-bottom: 7px;
      color: var(--brand-dark);
      font-size: 17px;
    }

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

    .contact-layout {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 18px;
      align-items: stretch;
    }

    .contact-card {
      padding: 24px;
      border-radius: 28px;
      background: var(--card);
      border: 1px solid rgba(234, 215, 202, 0.92);
      box-shadow: var(--shadow);
    }

    .contact-card h2 {
      margin: 0 0 14px;
      font-size: 30px;
      line-height: 1.2;
    }

    .contact-list {
      display: grid;
      gap: 12px;
      padding: 0;
      margin: 20px 0 0;
      list-style: none;
    }

    .contact-list li {
      padding: 13px 14px;
      border-radius: 16px;
      background: var(--card-warm);
      color: #503a31;
      border: 1px solid rgba(234, 215, 202, 0.78);
    }

    .image-card {
      padding: 14px;
      border-radius: 28px;
      background: linear-gradient(145deg, #fff, #fff1e6);
      border: 1px solid rgba(234, 215, 202, 0.92);
      box-shadow: var(--shadow);
    }

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

    .image-box {
      overflow: hidden;
      border-radius: 20px;
      background: #fff3ea;
      aspect-ratio: 4 / 3;
      border: 1px solid rgba(234, 215, 202, 0.88);
    }

    .image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.45s ease;
    }

    .image-box:hover img {
      transform: scale(1.04);
    }

    .image-caption {
      margin: 12px 2px 0;
      color: var(--muted);
      font-size: 14px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(234, 215, 202, 0.9);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      padding: 18px 20px;
      background: transparent;
      color: #352018;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 16px;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--brand);
      flex: 0 0 auto;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.28s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
    }

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

    .links-panel {
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 255, 255, 0.75);
      border: 1px solid rgba(234, 215, 202, 0.9);
    }

    .links-panel h2 {
      margin: 0 0 12px;
      font-size: 24px;
    }

    .inner-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .inner-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: var(--brand-dark);
      background: #fff2e8;
      border: 1px solid rgba(169, 79, 50, 0.16);
      font-size: 14px;
      font-weight: 700;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .inner-links a:hover {
      background: #f3d4c5;
      transform: translateY(-2px);
    }

    .site-footer {
      margin-top: 14px;
      padding: 26px 0;
      background: #3a231b;
      color: #fff5ed;
    }

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

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

    .footer-brand .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      box-shadow: none;
    }

    .footer-text {
      color: #f1d7c8;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      color: #fff5ed;
      font-size: 14px;
      padding: 6px 8px;
      border-radius: 10px;
    }

    .footer-links a:hover {
      background: rgba(255, 255, 255, 0.1);
    }

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

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

    @media (max-width: 900px) {
      .menu-toggle {
        display: block;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 72px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 14px;
        border-radius: 20px;
        background: #fff8f2;
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

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

      .nav-links a {
        text-align: center;
      }

      .nav-cta {
        display: none;
      }

      .hero-grid,
      .section-heading,
      .process,
      .contact-layout {
        grid-template-columns: 1fr;
      }

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

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

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

      .hero {
        padding-top: 34px;
      }

      .section {
        padding: 32px 0;
      }

      .compare-wrap,
      .service-grid,
      .guarantee-band,
      .image-grid,
      .toc ul {
        grid-template-columns: 1fr;
      }

      .brand-text span {
        display: none;
      }

      .hero-actions .btn {
        width: 100%;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }