:root {
      --bg: #fff7f4;
      --bg-soft: #fff1ed;
      --panel: #ffffff;
      --panel-pink: #ffe7df;
      --text: #302521;
      --muted: #6f5f59;
      --brand: #d77972;
      --brand-deep: #a84f52;
      --peach: #f4aa96;
      --line: #f0d4ca;
      --shadow: 0 18px 45px rgba(168, 79, 82, 0.13);
      --radius-lg: 28px;
      --radius-md: 20px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(255, 215, 203, 0.78), transparent 32%),
        radial-gradient(circle at 88% 18%, rgba(255, 232, 225, 0.9), transparent 30%),
        linear-gradient(180deg, #fff8f5 0%, #fff5f1 45%, #fffaf7 100%);
      line-height: 1.72;
      overflow-x: hidden;
    }

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

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 248, 245, 0.86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(240, 212, 202, 0.7);
    }

    .nav {
      min-height: 74px;
      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(--brand-deep);
      letter-spacing: 0.04em;
      flex: 0 0 auto;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: linear-gradient(135deg, #fff 0%, #ffd8ce 100%);
      color: var(--brand-deep);
      box-shadow: 0 10px 24px rgba(168, 79, 82, 0.18);
      border: 1px solid rgba(255, 255, 255, 0.8);
      font-size: 22px;
    }

    .brand span:last-child {
      font-size: 16px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 22px;
      color: #56433d;
      font-size: 15px;
    }

    .nav-links a {
      position: relative;
      padding: 8px 0;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 4px;
      width: 0;
      height: 2px;
      border-radius: 99px;
      background: var(--brand);
      transition: width 0.25s ease;
    }

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

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      background: #352623;
      color: #fff7f4;
      box-shadow: 0 12px 24px rgba(53, 38, 35, 0.16);
    }

    .menu-toggle {
      display: none;
      border: 0;
      background: #fff;
      color: var(--text);
      border-radius: 14px;
      width: 42px;
      height: 42px;
      box-shadow: 0 8px 22px rgba(168, 79, 82, 0.12);
      cursor: pointer;
    }

    main {
      position: relative;
    }

    section {
      padding: 58px 0;
    }

    .hero {
      padding: 58px 0 46px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.03fr) minmax(300px, 0.97fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(240, 212, 202, 0.9);
      color: var(--brand-deep);
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 8px 20px rgba(168, 79, 82, 0.08);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--peach);
      box-shadow: 0 0 0 5px rgba(244, 170, 150, 0.18);
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(32px, 6vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      color: #2d211e;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 750;
      transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
    }

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

    .btn-primary {
      background: linear-gradient(135deg, #d77972 0%, #a84f52 100%);
      color: #fff;
      box-shadow: 0 16px 28px rgba(168, 79, 82, 0.25);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.8);
      color: #493631;
      border: 1px solid rgba(240, 212, 202, 0.95);
    }

    .hero-note {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      max-width: 620px;
    }

    .note-item {
      padding: 13px 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.68);
      border: 1px solid rgba(240, 212, 202, 0.88);
      color: #5a4640;
      font-size: 14px;
    }

    .hero-visual {
      position: relative;
      padding: 14px;
      border-radius: 34px;
      background: linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(255, 232, 225, 0.8));
      border: 1px solid rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-visual::before {
      content: "";
      position: absolute;
      inset: auto -50px -70px auto;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(244, 170, 150, 0.28);
      filter: blur(2px);
      animation: floatSoft 5s ease-in-out infinite;
    }

    .image-card {
      position: relative;
      border-radius: 26px;
      overflow: hidden;
      background: #fff;
      aspect-ratio: 4 / 3;
      z-index: 1;
    }

    .image-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .visual-badge {
      position: absolute;
      left: 28px;
      bottom: 28px;
      z-index: 2;
      max-width: calc(100% - 56px);
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.9);
      color: #3b2b27;
      box-shadow: 0 14px 34px rgba(76, 48, 42, 0.14);
      border: 1px solid rgba(240, 212, 202, 0.9);
      font-size: 14px;
      backdrop-filter: blur(12px);
    }

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

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

    h2 {
      margin: 0;
      font-size: clamp(25px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -0.03em;
      color: #2e211e;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 440px;
      font-size: 15px;
    }

    .toc {
      padding: 0 0 18px;
    }

    .toc-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 14px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(240, 212, 202, 0.86);
      box-shadow: 0 14px 35px rgba(168, 79, 82, 0.08);
    }

    .toc-strip a {
      padding: 9px 14px;
      border-radius: 999px;
      color: #624d47;
      background: #fff8f5;
      border: 1px solid rgba(240, 212, 202, 0.7);
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .toc-strip a:hover {
      background: #352623;
      color: #fff7f4;
    }

    .answer-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
      gap: 22px;
      align-items: stretch;
    }

    .soft-card {
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(240, 212, 202, 0.88);
      border-radius: var(--radius-lg);
      box-shadow: 0 14px 34px rgba(168, 79, 82, 0.08);
    }

    .answer-main {
      padding: 28px;
      background: linear-gradient(145deg, #ffffff 0%, #fff0eb 100%);
    }

    .answer-main h3,
    .process-card h3,
    .service-card h3,
    .faq-item h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.35;
      color: #33231f;
    }

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

    .check-list {
      display: grid;
      gap: 12px;
      padding: 24px;
      margin: 0;
      list-style: none;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 10px;
      align-items: start;
      color: #51403a;
      font-size: 15px;
    }

    .check-list span {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #ffe1d8;
      color: var(--brand-deep);
      font-weight: 900;
      line-height: 1;
    }

    .about-grid {
      display: grid;
      grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.05fr);
      gap: 24px;
      align-items: start;
    }

    .about-image {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(240, 212, 202, 0.85);
      box-shadow: var(--shadow);
      background: #fff;
    }

    .about-image img {
      width: 100%;
      aspect-ratio: 5 / 4;
      object-fit: cover;
    }

    .about-copy {
      padding: 28px;
    }

    .info-lines {
      display: grid;
      gap: 12px;
      margin-top: 20px;
    }

    .info-line {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 13px 14px;
      border-radius: 16px;
      background: #fff8f5;
      border: 1px solid rgba(240, 212, 202, 0.74);
      color: #57433d;
      font-size: 15px;
    }

    .info-line strong {
      color: #33231f;
      flex: 0 0 auto;
    }

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

    .service-card {
      padding: 22px;
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 18px 40px rgba(168, 79, 82, 0.14);
    }

    .icon-dot {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #ffe6df 0%, #f4aa96 100%);
      color: #713233;
      font-weight: 900;
      font-size: 18px;
    }

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

    .process-card {
      position: relative;
      padding: 24px;
      overflow: hidden;
    }

    .process-card::after {
      content: attr(data-step);
      position: absolute;
      right: 18px;
      top: 10px;
      color: rgba(168, 79, 82, 0.09);
      font-weight: 900;
      font-size: 58px;
      line-height: 1;
    }

    .warranty-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 20px;
      align-items: start;
    }

    .warranty-box {
      padding: 26px;
    }

    .warranty-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .warranty-list li {
      padding: 13px 14px;
      border-radius: 15px;
      background: #fff8f5;
      border: 1px solid rgba(240, 212, 202, 0.7);
      color: #57433d;
      font-size: 14px;
    }

    .warranty-list strong {
      color: #33231f;
    }

    .notice {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, #3b2b27, #6e3b3d);
      color: #fff7f4;
      box-shadow: 0 18px 40px rgba(53, 38, 35, 0.18);
    }

    .notice h3 {
      margin: 0 0 10px;
      font-size: 20px;
    }

    .notice p {
      margin: 0;
      color: #ffe8df;
      font-size: 15px;
    }

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

    .faq-item {
      overflow: hidden;
    }

    .faq-button {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px;
      border: 0;
      background: transparent;
      color: #33231f;
      text-align: left;
      cursor: pointer;
      font: inherit;
      font-weight: 800;
      font-size: 17px;
    }

    .faq-button span {
      flex: 1;
    }

    .faq-button i {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #ffe5dc;
      color: var(--brand-deep);
      font-style: normal;
      transition: transform 0.22s ease;
    }

    .faq-content {
      display: none;
      padding: 0 22px 20px;
    }

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

    .faq-item.active .faq-button i {
      transform: rotate(45deg);
    }

    .summary {
      padding: 0 0 56px;
    }

    .summary-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 28px;
      border-radius: 32px;
      background: linear-gradient(135deg, #fff 0%, #ffe4dc 100%);
      border: 1px solid rgba(240, 212, 202, 0.95);
      box-shadow: var(--shadow);
    }

    .summary-panel h2 {
      font-size: clamp(24px, 4vw, 34px);
      margin-bottom: 10px;
    }

    .summary-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 720px;
    }

    .links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .links-row a {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid rgba(240, 212, 202, 0.86);
      color: #604a44;
      font-size: 13px;
    }

    .site-footer {
      background: #fff1ed;
      color: #3a2b27;
      border-top: 1px solid rgba(240, 212, 202, 0.95);
      padding: 30px 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 10px;
      font-weight: 800;
      color: #7b393b;
    }

    .footer-grid p {
      margin: 0;
      color: #604d47;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px 16px;
      max-width: 520px;
    }

    .footer-links a {
      color: #5a4640;
      font-size: 14px;
    }

    .copyright {
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid rgba(218, 184, 174, 0.75);
      color: #6b5852;
      font-size: 13px;
    }

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

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

    @keyframes floatSoft {
      0%, 100% {
        transform: translate3d(0, 0, 0);
      }
      50% {
        transform: translate3d(-12px, -10px, 0);
      }
    }

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

      .nav {
        position: relative;
      }

      .nav-links {
        position: absolute;
        left: 0;
        right: 0;
        top: 74px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 14px;
        border-radius: 0 0 22px 22px;
        background: rgba(255, 248, 245, 0.98);
        border-bottom: 1px solid rgba(240, 212, 202, 0.95);
        box-shadow: 0 18px 32px rgba(168, 79, 82, 0.12);
      }

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

      .nav-links a {
        padding: 10px 12px;
        border-radius: 14px;
      }

      .nav-links a:hover {
        background: #fff0eb;
      }

      .nav-links a::after {
        display: none;
      }

      .nav-cta {
        width: 100%;
      }

      .hero-grid,
      .answer-panel,
      .about-grid,
      .warranty-grid,
      .summary-panel {
        grid-template-columns: 1fr;
      }

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

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

      .summary-panel {
        align-items: start;
      }
    }

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

      section {
        padding: 42px 0;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-note,
      .solutions-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 10px;
      }

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

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

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

      .visual-badge {
        position: static;
        margin-top: 12px;
        max-width: none;
      }

      .hero-visual {
        padding: 12px;
      }
    }

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

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

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