:root {
      --bg: #f7f4ee;
      --surface: #ffffff;
      --surface-soft: #fffaf2;
      --text: #24211d;
      --muted: #6f675e;
      --line: #e5ddd0;
      --primary: #8a5a2b;
      --primary-dark: #68411e;
      --accent: #d9a441;
      --green: #4f7555;
      --shadow: 0 18px 48px rgba(72, 49, 26, 0.10);
      --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", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 2%, rgba(217, 164, 65, 0.18), transparent 32rem),
        radial-gradient(circle at 92% 12%, rgba(138, 90, 43, 0.10), transparent 28rem),
        linear-gradient(180deg, #fbf7ef 0%, var(--bg) 42%, #f8f5ef 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

    button {
      font: inherit;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247, 244, 238, 0.86);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(229, 221, 208, 0.72);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: 0.02em;
      color: #2a241e;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 10px 24px rgba(138, 90, 43, 0.18);
      font-size: 17px;
    }

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

    .nav-links a {
      color: #51483e;
      font-size: 14px;
      padding: 10px 13px;
      border-radius: 999px;
      transition: background-color 0.2s ease, color 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--primary-dark);
      background: rgba(138, 90, 43, 0.08);
    }

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

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 5px auto;
      background: currentColor;
      border-radius: 4px;
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    main {
      display: block;
    }

    .hero {
      padding: 70px 0 34px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: clamp(28px, 5vw, 56px);
      border: 1px solid rgba(229, 221, 208, 0.88);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.72);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -64px;
      top: -64px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(217, 164, 65, 0.22), transparent 68%);
      pointer-events: none;
      animation: floatGlow 7s ease-in-out infinite alternate;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: #f4ead8;
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
    }

    h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(34px, 7vw, 64px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      color: #211c17;
    }

    .hero-copy p {
      margin: 22px 0 0;
      max-width: 720px;
      color: var(--muted);
      font-size: clamp(16px, 2.4vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 14px 28px rgba(104, 65, 30, 0.22);
    }

    .btn-secondary {
      color: var(--primary-dark);
      background: #fff7e7;
      border: 1px solid #ead9ba;
    }

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

    .btn-primary:hover {
      box-shadow: 0 18px 34px rgba(104, 65, 30, 0.28);
    }

    .hero-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      background: linear-gradient(160deg, #fffdf8, #f3e9d7);
      border: 1px solid rgba(229, 221, 208, 0.95);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 18px;
    }

    .phone-visual {
      min-height: 210px;
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.28)),
        repeating-linear-gradient(135deg, rgba(138, 90, 43, 0.08) 0 2px, transparent 2px 14px);
      border: 1px solid rgba(138, 90, 43, 0.12);
      display: grid;
      place-items: center;
      position: relative;
      overflow: hidden;
    }

    .phone-shape {
      width: 112px;
      height: 174px;
      border-radius: 26px;
      background: #2b2723;
      border: 8px solid #3b342e;
      box-shadow: 0 24px 34px rgba(47, 37, 26, 0.24);
      position: relative;
      transform: rotate(-7deg);
      animation: softTilt 5.4s ease-in-out infinite alternate;
    }

    .phone-shape::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 8px;
      width: 34px;
      height: 4px;
      border-radius: 10px;
      background: #6e6256;
      transform: translateX(-50%);
    }

    .phone-shape::after {
      content: "";
      position: absolute;
      inset: 28px 12px 18px;
      border-radius: 16px;
      background: linear-gradient(180deg, #f8edd8, #d9a441);
    }

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

    .quick-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.72);
      color: #4a4036;
      font-size: 14px;
    }

    .quick-list li::before {
      content: "✓";
      flex: 0 0 auto;
      color: var(--green);
      font-weight: 900;
    }

    section {
      padding: 42px 0;
    }

    .section-head {
      display: grid;
      gap: 10px;
      margin-bottom: 22px;
      max-width: 760px;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.08em;
    }

    h2 {
      margin: 0;
      color: #241f1a;
      font-size: clamp(25px, 4vw, 40px);
      line-height: 1.2;
      letter-spacing: -0.035em;
    }

    h3 {
      margin: 0;
      color: #2d261f;
      font-size: 18px;
      line-height: 1.35;
    }

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

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

    .service-item {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(229, 221, 208, 0.9);
      box-shadow: 0 10px 30px rgba(72, 49, 26, 0.07);
      transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    }

    .service-item:hover {
      transform: translateY(-4px);
      border-color: rgba(138, 90, 43, 0.28);
      box-shadow: 0 16px 36px rgba(72, 49, 26, 0.11);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      margin-bottom: 14px;
      color: var(--primary-dark);
      background: #f6ead5;
      font-weight: 900;
    }

    .service-item p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .split {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
      gap: 20px;
      align-items: start;
    }

    .note-card {
      padding: clamp(22px, 4vw, 34px);
      border-radius: var(--radius-lg);
      background: #fffaf2;
      border: 1px solid #eadfcd;
      box-shadow: 0 14px 34px rgba(72, 49, 26, 0.07);
    }

    .note-card p {
      margin: 12px 0 0;
      color: var(--muted);
    }

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

    .check-list li {
      padding: 18px 18px 18px 48px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(229, 221, 208, 0.9);
      position: relative;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 23px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(217, 164, 65, 0.16);
    }

    .check-list strong {
      display: block;
      color: #2b251f;
      margin-bottom: 4px;
    }

    .check-list span {
      color: var(--muted);
      font-size: 14px;
    }

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

    .step {
      counter-increment: step;
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,250,242,0.82));
      border: 1px solid rgba(229, 221, 208, 0.95);
      position: relative;
    }

    .step::before {
      content: counter(step, decimal-leading-zero);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 42px;
      height: 30px;
      padding: 0 10px;
      margin-bottom: 14px;
      border-radius: 999px;
      color: #fff;
      background: var(--green);
      font-size: 13px;
      font-weight: 900;
    }

    .step p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .area-box {
      padding: clamp(24px, 5vw, 42px);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255,255,255,0.84), rgba(255,250,242,0.9)),
        radial-gradient(circle at 88% 8%, rgba(217,164,65,0.22), transparent 20rem);
      border: 1px solid rgba(229, 221, 208, 0.95);
      box-shadow: var(--shadow);
    }

    .area-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 20px;
    }

    .area-card {
      padding: 20px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(229, 221, 208, 0.86);
    }

    .area-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

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

    details {
      border-radius: 20px;
      background: rgba(255,255,255,0.8);
      border: 1px solid rgba(229, 221, 208, 0.95);
      overflow: hidden;
    }

    summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 800;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: #2a241e;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
      color: var(--primary-dark);
      background: #f4ead8;
      transition: transform 0.2s ease;
    }

    details[open] summary::after {
      transform: rotate(45deg);
    }

    details p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .closing {
      padding-bottom: 48px;
    }

    .closing-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      align-items: center;
      padding: clamp(24px, 5vw, 38px);
      border-radius: var(--radius-lg);
      color: #2a2118;
      background: linear-gradient(135deg, #f4e2bf, #fff8e9);
      border: 1px solid #ead7b7;
    }

    .closing-panel p {
      margin: 10px 0 0;
      color: #6a563e;
    }

    .site-footer {
      background: #33281d;
      color: #fff7eb;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .footer-inner {
      min-height: 96px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 24px 0;
    }

    .footer-inner p {
      margin: 0;
      color: #e9dccb;
      font-size: 14px;
    }

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

    .footer-links a {
      color: #fff7eb;
      font-size: 14px;
      padding: 6px 0;
    }

    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    @keyframes floatGlow {
      from {
        transform: translate3d(0, 0, 0) scale(1);
      }
      to {
        transform: translate3d(-18px, 16px, 0) scale(1.08);
      }
    }

    @keyframes softTilt {
      from {
        transform: rotate(-7deg) translateY(0);
      }
      to {
        transform: rotate(-2deg) translateY(-8px);
      }
    }

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

      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }

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

    @media (max-width: 920px) {
      .hero {
        padding-top: 44px;
      }

      .hero-grid,
      .split,
      .area-grid,
      .closing-panel {
        grid-template-columns: 1fr;
      }

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

      .closing-panel .btn {
        width: 100%;
      }
    }

    @media (max-width: 720px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .nav {
        min-height: 64px;
      }

      .menu-toggle {
        display: inline-block;
        flex: 0 0 auto;
      }

      .nav-links {
        position: absolute;
        left: 12px;
        right: 12px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 10px;
        border-radius: 18px;
        background: #fffaf2;
        border: 1px solid var(--line);
        box-shadow: 0 18px 40px rgba(72, 49, 26, 0.14);
      }

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

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

      .hero-copy,
      .hero-panel,
      .area-box {
        border-radius: 24px;
      }

      section {
        padding: 34px 0;
      }

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

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

      .btn {
        width: 100%;
      }

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

    @media (max-width: 420px) {
      h1 {
        font-size: 32px;
      }

      .hero-copy {
        padding: 24px;
      }

      .phone-visual {
        min-height: 180px;
      }

      .phone-shape {
        width: 96px;
        height: 150px;
      }
    }