:root {
      --bg: #fbfaf7;
      --paper: #ffffff;
      --ink: #1f2933;
      --muted: #667085;
      --line: #e8e1d6;
      --soft: #f3efe7;
      --brand: #2f6f73;
      --brand-dark: #204f52;
      --accent: #d98b5f;
      --shadow: 0 18px 45px rgba(52, 64, 84, 0.08);
      --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(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(217, 139, 95, 0.16), transparent 28%),
        radial-gradient(circle at 92% 10%, rgba(47, 111, 115, 0.14), transparent 30%),
        linear-gradient(180deg, #fffaf2 0%, var(--bg) 44%, #f7f4ee 100%);
      line-height: 1.72;
    }

    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(251, 250, 247, 0.86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(232, 225, 214, 0.78);
    }

    .nav {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--brand-dark);
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--brand), #76a9a6);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 18px;
      box-shadow: 0 10px 24px rgba(47, 111, 115, 0.22);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 22px;
      color: #344054;
      font-size: 15px;
    }

    .nav-links a {
      position: relative;
      padding: 6px 0;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 2px;
      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: #ffffff;
      color: var(--ink);
      border-radius: 12px;
      padding: 8px 12px;
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

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

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.22fr) minmax(280px, 0.78fr);
      gap: 34px;
      align-items: start;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 18px;
      padding: 7px 12px;
      border: 1px solid rgba(47, 111, 115, 0.18);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--brand-dark);
      font-size: 14px;
      font-weight: 700;
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(217, 139, 95, 0.14);
    }

    h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(34px, 7vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.055em;
      color: #17202a;
    }

    .hero-lead {
      max-width: 680px;
      margin: 22px 0 0;
      font-size: clamp(16px, 2vw, 19px);
      color: #4b5563;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 760;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      background: var(--brand);
      color: #ffffff;
      box-shadow: 0 14px 28px rgba(47, 111, 115, 0.24);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.76);
      color: var(--brand-dark);
      border-color: rgba(47, 111, 115, 0.22);
    }

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

    .btn-primary:hover {
      background: var(--brand-dark);
      box-shadow: 0 18px 32px rgba(47, 111, 115, 0.26);
    }

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

    .price-panel {
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(232, 225, 214, 0.92);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow);
      position: relative;
      isolation: isolate;
    }

    .price-panel::before {
      content: "";
      position: absolute;
      inset: 12px 12px auto auto;
      width: 82px;
      height: 82px;
      border-radius: 28px;
      background: linear-gradient(135deg, rgba(217, 139, 95, 0.18), rgba(47, 111, 115, 0.12));
      z-index: -1;
      transform: rotate(8deg);
    }

    .panel-title {
      margin: 0 0 14px;
      font-size: 20px;
      line-height: 1.35;
      color: #1f2933;
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 22px 1fr;
      gap: 10px;
      align-items: start;
      color: #475467;
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(47, 111, 115, 0.12);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 900;
      margin-top: 2px;
    }

    section {
      padding: 42px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 22px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(25px, 4vw, 38px);
      line-height: 1.18;
      letter-spacing: -0.035em;
      color: #18212b;
    }

    .section-desc {
      margin: 10px 0 0;
      max-width: 680px;
      color: var(--muted);
    }

    .label {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 6px 12px;
      border-radius: 999px;
      background: #efe8dc;
      color: #72513a;
      font-size: 13px;
      font-weight: 760;
    }

    .factor-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .factor-card {
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(232, 225, 214, 0.9);
      border-radius: 22px;
      padding: 20px;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .factor-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 34px rgba(52, 64, 84, 0.1);
      border-color: rgba(47, 111, 115, 0.22);
    }

    .factor-icon {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
      background: #edf6f5;
      color: var(--brand-dark);
      font-weight: 900;
    }

    .factor-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.35;
    }

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

    .quote-band {
      display: grid;
      grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
      gap: 22px;
      align-items: stretch;
      background: linear-gradient(135deg, rgba(47, 111, 115, 0.1), rgba(255, 255, 255, 0.74));
      border: 1px solid rgba(232, 225, 214, 0.9);
      border-radius: var(--radius-lg);
      padding: 22px;
    }

    .quote-main {
      background: #ffffff;
      border-radius: 22px;
      padding: 22px;
      border: 1px solid rgba(232, 225, 214, 0.9);
    }

    .quote-main h2 {
      margin: 0 0 12px;
      font-size: clamp(24px, 3.8vw, 34px);
      line-height: 1.2;
      letter-spacing: -0.03em;
    }

    .quote-main p {
      margin: 0;
      color: #56616f;
    }

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

    .step {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(232, 225, 214, 0.82);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--brand);
      color: #ffffff;
      font-weight: 900;
    }

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

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

    .compare-wrap {
      overflow-x: auto;
      border: 1px solid rgba(232, 225, 214, 0.92);
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.78);
      box-shadow: 0 12px 34px rgba(52, 64, 84, 0.06);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 720px;
    }

    th,
    td {
      padding: 16px 18px;
      text-align: left;
      border-bottom: 1px solid rgba(232, 225, 214, 0.86);
      vertical-align: top;
    }

    th {
      background: #f2ede4;
      color: #2b3946;
      font-size: 15px;
      white-space: nowrap;
    }

    td {
      color: #52606d;
      font-size: 15px;
    }

    tr:last-child td {
      border-bottom: 0;
    }

    .tips-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 0.78fr);
      gap: 18px;
      align-items: start;
    }

    .tips-card {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(232, 225, 214, 0.92);
      border-radius: var(--radius-lg);
      padding: 24px;
    }

    .tips-card h2 {
      margin: 0 0 14px;
      font-size: 28px;
      line-height: 1.25;
      letter-spacing: -0.03em;
    }

    .plain-list {
      margin: 0;
      padding-left: 20px;
      color: #56616f;
    }

    .plain-list li + li {
      margin-top: 10px;
    }

    .side-note {
      background: #213f42;
      color: #f7fbfb;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: 0 18px 38px rgba(33, 63, 66, 0.18);
    }

    .side-note h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.32;
      color: #ffffff;
    }

    .side-note p {
      margin: 0;
      color: #d9e7e5;
      font-size: 15px;
    }

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

    .faq-item {
      border: 1px solid rgba(232, 225, 214, 0.94);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.78);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: #26323f;
      padding: 18px 20px;
      text-align: left;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      font-weight: 800;
    }

    .faq-question span {
      display: inline-block;
    }

    .faq-sign {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #edf6f5;
      color: var(--brand-dark);
      flex: 0 0 auto;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

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

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

    .cta {
      padding-bottom: 48px;
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #ffffff, #f3eee5);
      border: 1px solid rgba(232, 225, 214, 0.95);
      box-shadow: var(--shadow);
    }

    .cta-box h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 4vw, 34px);
      line-height: 1.2;
      letter-spacing: -0.035em;
    }

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

    .site-footer {
      border-top: 1px solid rgba(232, 225, 214, 0.92);
      background: #f2eee6;
      color: #35414d;
      padding: 24px 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: #35414d;
    }

    .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) {
      .hero-grid,
      .quote-band,
      .tips-layout,
      .cta-box {
        grid-template-columns: 1fr;
      }

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

      .section-head {
        align-items: start;
        flex-direction: column;
      }

      .cta-box {
        align-items: start;
      }
    }

    @media (max-width: 720px) {
      .nav {
        min-height: 64px;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 66px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: #ffffff;
        box-shadow: var(--shadow);
      }

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

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

      .nav-links a:hover {
        background: #f5f1e9;
      }

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

      .hero {
        padding-top: 48px;
      }

      section {
        padding: 34px 0;
      }

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

      .price-panel,
      .tips-card,
      .side-note,
      .quote-band,
      .cta-box {
        border-radius: 22px;
      }

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

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

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

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