:root {
      --bg: #fbf7ef;
      --bg-soft: #fffaf2;
      --card: #ffffff;
      --text: #22201d;
      --muted: #6f665c;
      --line: #e8dccb;
      --primary: #9a5a2d;
      --primary-dark: #74401e;
      --accent: #f1c27d;
      --green: #59745a;
      --shadow: 0 18px 48px rgba(91, 61, 32, 0.10);
      --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", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(241, 194, 125, 0.30), transparent 32%),
        radial-gradient(circle at 92% 22%, rgba(151, 112, 78, 0.16), transparent 34%),
        linear-gradient(180deg, var(--bg) 0%, #fffdf8 52%, var(--bg-soft) 100%);
      line-height: 1.7;
    }

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

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(16px);
      background: rgba(251, 247, 239, 0.86);
      border-bottom: 1px solid rgba(232, 220, 203, 0.8);
    }

    .nav {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #2b231b;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 10px 24px rgba(154, 90, 45, 0.24);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 18px;
      color: #4f473f;
      font-size: 14px;
    }

    .nav-links a {
      padding: 8px 2px;
      border-bottom: 2px solid transparent;
      transition: color .2s ease, border-color .2s ease;
    }

    .nav-links a:hover {
      color: var(--primary-dark);
      border-color: var(--accent);
    }

    .hero {
      padding: 78px 0 58px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
      gap: 34px;
      align-items: start;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 8px 28px rgba(91, 61, 32, 0.06);
    }

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

    h1 {
      margin: 20px 0 18px;
      font-size: clamp(34px, 6vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      color: #1f1b17;
    }

    .hero-lead {
      max-width: 720px;
      margin: 0;
      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;
      font-weight: 800;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 14px 30px rgba(154, 90, 45, 0.22);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(116, 64, 30, 0.26);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.74);
      color: #2e2822;
      border: 1px solid var(--line);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(91, 61, 32, 0.08);
    }

    .price-panel {
      position: relative;
      overflow: hidden;
      padding: 26px;
      border-radius: 30px;
      background: linear-gradient(160deg, rgba(255,255,255,0.94), rgba(255,249,240,0.94));
      border: 1px solid rgba(232, 220, 203, 0.95);
      box-shadow: var(--shadow);
      animation: floatIn .7s ease both;
    }

    .price-panel::after {
      content: "";
      position: absolute;
      right: -54px;
      top: -54px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: rgba(241, 194, 125, 0.26);
    }

    .panel-title {
      position: relative;
      margin: 0 0 14px;
      font-size: 20px;
      font-weight: 900;
      color: #2d251e;
    }

    .price-list {
      position: relative;
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .price-row {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
      border-bottom: 1px dashed #dfcfbb;
    }

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

    .price-row span:first-child {
      color: #4f473f;
      font-weight: 700;
    }

    .price-row span:last-child {
      color: var(--primary-dark);
      font-weight: 900;
      white-space: nowrap;
    }

    .note {
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    section {
      padding: 54px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 24px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--primary);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: 0.08em;
    }

    h2 {
      margin: 0;
      color: #201b16;
      font-size: clamp(25px, 4vw, 38px);
      line-height: 1.18;
      letter-spacing: -0.035em;
    }

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

    .cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .card {
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid var(--line);
      box-shadow: 0 12px 36px rgba(91, 61, 32, 0.06);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 44px rgba(91, 61, 32, 0.11);
      border-color: #dcc5a8;
    }

    .card h3 {
      margin: 0 0 9px;
      font-size: 18px;
      color: #2a231d;
    }

    .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: 22px;
      align-items: start;
    }

    .soft-box {
      padding: 24px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 40px rgba(91, 61, 32, 0.07);
    }

    .check-list {
      display: grid;
      gap: 13px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      position: relative;
      padding-left: 28px;
      color: #4d453d;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 12px;
      height: 12px;
      border-radius: 4px;
      background: var(--accent);
      box-shadow: inset 0 0 0 3px #fff;
      border: 1px solid #d7aa68;
    }

    .steps {
      display: grid;
      gap: 14px;
      counter-reset: step;
    }

    .step {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 18px;
      border-radius: 20px;
      background: rgba(255, 250, 242, 0.92);
      border: 1px solid var(--line);
    }

    .step::before {
      counter-increment: step;
      content: counter(step);
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: #2f271f;
      color: #fff;
      font-weight: 900;
    }

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

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

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

    .compare-card {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
    }

    .compare-card h3 {
      margin: 0 0 12px;
      font-size: 19px;
    }

    .compare-card ul {
      margin: 0;
      padding-left: 20px;
      color: var(--muted);
    }

    .compare-card li + li {
      margin-top: 8px;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.86);
      overflow: hidden;
      box-shadow: 0 10px 28px rgba(91, 61, 32, 0.05);
    }

    .faq-button {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border: 0;
      background: transparent;
      color: #251f19;
      text-align: left;
      font: inherit;
      font-weight: 900;
      cursor: pointer;
    }

    .faq-button span {
      flex: 1;
    }

    .faq-icon {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #fff2dc;
      color: var(--primary-dark);
      transition: transform .2s ease;
      flex: 0 0 auto;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .28s ease;
    }

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

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

    .cta {
      padding-bottom: 38px;
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 28px;
      border-radius: 30px;
      background: linear-gradient(135deg, #fff 0%, #fff1da 100%);
      border: 1px solid #e5d4bd;
      box-shadow: var(--shadow);
    }

    .cta-box h2 {
      font-size: clamp(24px, 4vw, 34px);
    }

    .cta-box p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .site-footer {
      background: #2b241d;
      color: #f7efe5;
      padding: 26px 0;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: #f7efe5;
      opacity: .88;
    }

    .footer-links a:hover {
      opacity: 1;
      text-decoration: underline;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .6s ease, transform .6s ease;
    }

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

    @keyframes floatIn {
      from {
        opacity: 0;
        transform: translateY(16px) scale(.98);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @media (max-width: 820px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav {
        min-height: 64px;
      }

      .nav-links {
        display: none;
      }

      .hero {
        padding: 52px 0 36px;
      }

      .hero-grid,
      .split,
      .cta-box {
        grid-template-columns: 1fr;
      }

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

      section {
        padding: 42px 0;
      }

      .cta-box {
        padding: 22px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

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