:root {
      --bg: #fbf8f2;
      --panel: #ffffff;
      --panel-soft: #fffaf0;
      --text: #25221d;
      --muted: #6f675c;
      --line: #eadfce;
      --accent: #d9822b;
      --accent-dark: #9a5518;
      --green: #2f7d62;
      --shadow: 0 18px 48px rgba(93, 66, 35, 0.11);
      --radius: 22px;
      --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(245, 183, 92, 0.22), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(47, 125, 98, 0.13), transparent 26%),
        linear-gradient(180deg, #fff8ec 0%, var(--bg) 46%, #f7f1e7 100%);
      line-height: 1.7;
    }

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

    .container {
      width: min(100% - 36px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(251, 248, 242, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(234, 223, 206, 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: 10px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #2a241c;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: linear-gradient(135deg, #e29a45, #2f7d62);
      box-shadow: 0 10px 24px rgba(217, 130, 43, 0.22);
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      color: #4d453b;
      font-size: 14px;
    }

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

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 3px;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.22s ease;
    }

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

    .menu-toggle {
      display: none;
      border: 1px solid var(--line);
      background: #fffaf2;
      color: var(--text);
      border-radius: 12px;
      padding: 9px 12px;
      font-size: 14px;
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

    .hero {
      padding: 70px 0 44px;
    }

    .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: 1px solid rgba(217, 130, 43, 0.28);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.62);
      color: var(--accent-dark);
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 0 5px rgba(47, 125, 98, 0.12);
    }

    h1 {
      margin: 20px 0 16px;
      font-size: clamp(34px, 8vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.06em;
      color: #211c17;
    }

    .hero p {
      margin: 0;
      max-width: 680px;
      color: var(--muted);
      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;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      font-size: 14px;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    }

    .btn-primary {
      background: #262019;
      color: #fff;
      box-shadow: 0 14px 26px rgba(38, 32, 25, 0.18);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.7);
      color: #2c261f;
      border-color: var(--line);
    }

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

    .hero-card {
      position: relative;
      border-radius: 30px;
      padding: 24px;
      background:
        linear-gradient(145deg, rgba(255,255,255,0.86), rgba(255,248,236,0.9)),
        radial-gradient(circle at 20% 10%, rgba(217, 130, 43, 0.2), transparent 36%);
      border: 1px solid rgba(234, 223, 206, 0.96);
      box-shadow: var(--shadow);
    }

    .phone-visual {
      min-height: 360px;
      border-radius: 24px;
      background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.78), rgba(255, 236, 205, 0.78)),
        repeating-linear-gradient(135deg, rgba(217,130,43,0.08) 0 10px, transparent 10px 22px);
      border: 1px solid rgba(234, 223, 206, 0.95);
      display: grid;
      place-items: center;
      padding: 28px;
    }

    .device {
      width: 174px;
      min-height: 302px;
      border-radius: 32px;
      background: #2b2926;
      padding: 13px;
      box-shadow: 0 24px 42px rgba(42, 36, 28, 0.24);
      transform: rotate(-4deg);
      animation: float 5.8s ease-in-out infinite;
    }

    .device-screen {
      min-height: 276px;
      border-radius: 24px;
      background:
        linear-gradient(180deg, #fffaf0, #f3e3ca);
      padding: 18px 14px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .screen-line {
      height: 10px;
      border-radius: 999px;
      background: rgba(217, 130, 43, 0.24);
    }

    .screen-line:nth-child(2) {
      width: 72%;
      background: rgba(47, 125, 98, 0.22);
    }

    .screen-block {
      margin-top: 8px;
      border-radius: 18px;
      background: #ffffff;
      border: 1px solid rgba(234, 223, 206, 0.9);
      padding: 14px;
      color: #3f362e;
      font-size: 13px;
      font-weight: 700;
    }

    .hero-note {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .mini-note {
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(234, 223, 206, 0.92);
      border-radius: 18px;
      padding: 12px;
      color: #463d33;
      font-size: 13px;
      backdrop-filter: blur(10px);
    }

    .section {
      padding: 48px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.42fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 22px;
    }

    h2 {
      margin: 0;
      font-size: clamp(25px, 4.8vw, 38px);
      line-height: 1.2;
      letter-spacing: -0.04em;
      color: #241f19;
    }

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

    .price-panel {
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .price-row {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr 1.4fr;
      gap: 0;
      border-bottom: 1px solid var(--line);
    }

    .price-row:last-child {
      border-bottom: 0;
    }

    .price-cell {
      padding: 18px 20px;
      border-right: 1px solid var(--line);
    }

    .price-cell:last-child {
      border-right: 0;
    }

    .price-head {
      background: #2b261f;
      color: #fff;
      font-weight: 800;
    }

    .price-row:not(.price-head) .price-cell:first-child {
      font-weight: 800;
      color: #2d271f;
    }

    .range {
      color: var(--accent-dark);
      font-weight: 900;
      white-space: nowrap;
    }

    .muted {
      color: var(--muted);
    }

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

    .card {
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: 0 12px 34px rgba(93, 66, 35, 0.08);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 42px rgba(93, 66, 35, 0.13);
      border-color: rgba(217, 130, 43, 0.35);
    }

    .card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #27211a;
    }

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

    .split {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 18px;
      align-items: start;
    }

    .soft-box {
      background: linear-gradient(145deg, rgba(255,255,255,0.78), rgba(255,250,240,0.9));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: 0 14px 40px rgba(93, 66, 35, 0.08);
    }

    .soft-box h3 {
      margin: 0 0 12px;
      font-size: 21px;
      color: #262019;
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 26px 1fr;
      gap: 10px;
      align-items: start;
      color: #50483d;
    }

    .check {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: rgba(47, 125, 98, 0.12);
      color: var(--green);
      display: grid;
      place-items: center;
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 12px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.62);
    }

    .step::before {
      content: counter(step);
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: #fff2dc;
      color: var(--accent-dark);
      display: grid;
      place-items: center;
      font-weight: 900;
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 17px;
    }

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

    .notice {
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      align-items: start;
      padding: 22px;
      border-radius: var(--radius);
      background: #fff4df;
      border: 1px solid #efd3a8;
      color: #473829;
    }

    .notice-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      background: #ffffff;
      display: grid;
      place-items: center;
      color: var(--accent-dark);
      font-size: 24px;
      box-shadow: 0 10px 24px rgba(217, 130, 43, 0.12);
    }

    .notice h2 {
      font-size: 24px;
      margin-bottom: 8px;
    }

    .notice p {
      margin: 0;
      color: #68543e;
    }

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

    details {
      background: rgba(255, 255, 255, 0.74);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 0;
      overflow: hidden;
      box-shadow: 0 10px 28px rgba(93, 66, 35, 0.06);
    }

    summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 850;
      color: #2d271f;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

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

    summary::after {
      content: "+";
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #fff2dc;
      color: var(--accent-dark);
      font-size: 20px;
      line-height: 1;
      transition: transform 0.2s ease;
    }

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

    details p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .final-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 28px;
      border-radius: 28px;
      background: #2b261f;
      color: #fff;
      box-shadow: 0 20px 48px rgba(42, 36, 28, 0.18);
    }

    .final-box h2 {
      color: #fff;
      font-size: clamp(24px, 4vw, 34px);
      margin-bottom: 8px;
    }

    .final-box p {
      margin: 0;
      color: #e8dccd;
    }

    .final-box .btn {
      background: #fff7e8;
      color: #2b261f;
      white-space: nowrap;
    }

    .site-footer {
      margin-top: 28px;
      padding: 26px 0 30px;
      background: #f3eadc;
      color: #3a332b;
      border-top: 1px solid #e2d5c3;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 14px;
      color: #5d5449;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .footer-links a {
      color: #3c352d;
    }

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

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

    @keyframes float {
      0%, 100% {
        transform: rotate(-4deg) translateY(0);
      }
      50% {
        transform: rotate(-2deg) translateY(-10px);
      }
    }

    @media (max-width: 900px) {
      .hero-grid,
      .section-head,
      .split,
      .final-box {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 42px;
      }

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

      .price-row {
        grid-template-columns: 1fr;
      }

      .price-head {
        display: none;
      }

      .price-cell {
        border-right: 0;
        padding: 14px 18px;
      }

      .price-row:not(.price-head) .price-cell {
        border-bottom: 1px dashed rgba(234, 223, 206, 0.95);
      }

      .price-row:not(.price-head) .price-cell:last-child {
        border-bottom: 0;
      }

      .price-cell[data-label]::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 3px;
        color: #8a7660;
        font-size: 12px;
        font-weight: 800;
      }

      .final-box .btn {
        justify-self: start;
      }
    }

    @media (max-width: 720px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav {
        min-height: 64px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 66px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px;
        background: rgba(255, 250, 242, 0.98);
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
      }

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

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

      .nav-links a:hover {
        background: #fff2dc;
      }

      h1 {
        letter-spacing: -0.045em;
      }

      .hero-card {
        padding: 16px;
      }

      .phone-visual {
        min-height: 318px;
      }

      .hero-note {
        position: static;
        margin-top: 12px;
        grid-template-columns: 1fr;
      }

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

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

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

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }

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