*,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --mint-50: #f0faf5;
      --mint-100: #d9f2e6;
      --mint-200: #b8e8d3;
      --mint-300: #8dd9ba;
      --mint-400: #5dc99e;
      --mint-500: #3ab583;
      --mint-600: #2a9a6c;
      --mint-700: #217a55;
      --deep: #142c23;
      --deep-soft: #24473a;
      --text: #1b2e27;
      --text-soft: #4a6258;
      --text-light: #6b8579;
      --white: #ffffff;
      --bg-page: linear-gradient(180deg, #f4fbf7 0%, #eef9f3 48%, #e7f6ee 100%);
      --card-bg: rgba(255, 255, 255, 0.78);
      --card-solid: #ffffff;
      --border-light: rgba(58, 181, 131, 0.16);
      --border-mid: rgba(58, 181, 131, 0.28);
      --shadow-sm: 0 2px 10px rgba(30, 80, 60, 0.05);
      --shadow-md: 0 14px 34px -14px rgba(30, 80, 60, 0.18);
      --shadow-lg: 0 24px 50px -20px rgba(30, 80, 60, 0.22);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-pill: 100px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg-page);
      line-height: 1.65;
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: 72px 0;
    }

    .section-head {
      max-width: 720px;
      margin: 0 auto 42px;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--mint-700);
      background: rgba(58, 181, 131, 0.1);
      border: 1px solid var(--border-light);
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--mint-500);
      border-radius: 50%;
    }

    h1 {
      font-size: clamp(30px, 4vw, 48px);
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -0.02em;
      color: var(--deep);
    }

    h2 {
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 750;
      line-height: 1.25;
      letter-spacing: -0.01em;
      color: var(--deep);
    }

    h3 {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.4;
      color: var(--deep);
    }

    .section-head p {
      margin-top: 12px;
      font-size: 15px;
      color: var(--text-soft);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-family: inherit;
      font-size: 15px;
      font-weight: 650;
      line-height: 1;
      padding: 14px 28px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
      white-space: nowrap;
    }

    .btn:active {
      transform: scale(0.97);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--mint-500), var(--mint-600));
      color: var(--white);
      box-shadow: 0 10px 24px -10px rgba(42, 154, 108, 0.6);
    }

    .btn-primary:hover {
      box-shadow: 0 16px 30px -10px rgba(42, 154, 108, 0.7);
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: var(--white);
      color: var(--deep);
      border-color: var(--border-mid);
      box-shadow: var(--shadow-sm);
    }

    .btn-ghost:hover {
      border-color: var(--mint-400);
      color: var(--mint-700);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .btn-sm {
      padding: 10px 20px;
      font-size: 13.5px;
    }

    /* ---------- Header ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-light);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 68px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand img {
      width: auto;
      max-height: 36px;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links a {
      display: block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 550;
      color: var(--text-soft);
      border-radius: 8px;
      transition: color 0.2s, background 0.2s;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--mint-700);
      background: rgba(58, 181, 131, 0.08);
    }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid var(--border-mid);
      background: var(--white);
      cursor: pointer;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--deep);
      transition: transform 0.25s, opacity 0.25s;
    }

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

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

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

    /* ---------- Hero ---------- */
    .hero {
      position: relative;
      overflow: hidden;
      padding: 70px 0 80px;
      background:
        radial-gradient(ellipse 60% 50% at 14% 20%, rgba(93, 201, 158, 0.2), transparent 62%),
        radial-gradient(ellipse 50% 60% at 88% 70%, rgba(58, 181, 131, 0.14), transparent 58%),
        linear-gradient(160deg, #f4fbf7 0%, #e8f7ef 100%);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(58, 181, 131, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(58, 181, 131, 0.05) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse 72% 60% at 50% 40%, #000 40%, transparent 80%);
      -webkit-mask-image: radial-gradient(ellipse 72% 60% at 50% 40%, #000 40%, transparent 80%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
      gap: 48px;
      align-items: center;
    }

    .hero-copy .eyebrow {
      margin-bottom: 20px;
    }

    .hero h1 {
      max-width: 620px;
    }

    .hero-desc {
      margin-top: 20px;
      max-width: 540px;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-soft);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 30px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .hero-tags span {
      display: inline-flex;
      align-items: center;
      font-size: 12.5px;
      font-weight: 550;
      color: var(--mint-700);
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--border-light);
      padding: 7px 14px;
      border-radius: var(--radius-pill);
    }

    .hero-aside {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-metric-card {
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .hero-metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .hero-metric-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 6px;
    }

    .hero-metric-value {
      display: flex;
      align-items: baseline;
      gap: 6px;
      font-size: 28px;
      font-weight: 800;
      line-height: 1.1;
      color: var(--mint-700);
    }

    .hero-metric-value small {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-light);
    }

    .hero-metric-note {
      margin-top: 8px;
      font-size: 13px;
      color: var(--text-soft);
    }

    .hero-aside-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    /* ---------- Metrics strip ---------- */
    .metric-strip {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 44px;
    }

    .metric-item {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 20px 22px;
      text-align: center;
      transition: transform 0.28s ease, box-shadow 0.28s ease;
    }

    .metric-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .metric-item strong {
      display: block;
      font-size: 26px;
      font-weight: 800;
      line-height: 1.15;
      color: var(--mint-700);
      letter-spacing: -0.02em;
    }

    .metric-item span {
      display: block;
      margin-top: 6px;
      font-size: 13px;
      color: var(--text-light);
    }

    /* ---------- About / Platform intro ---------- */
    .about-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 44px;
      align-items: start;
    }

    .about-text h2 {
      margin-bottom: 16px;
    }

    .about-text p {
      font-size: 15px;
      color: var(--text-soft);
      margin-bottom: 14px;
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .about-highlights li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      font-weight: 550;
      color: var(--text);
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid var(--border-light);
      border-radius: 12px;
      padding: 14px 16px;
    }

    .about-highlights li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      border-radius: 50%;
      background: var(--mint-100);
      color: var(--mint-700);
      font-size: 12px;
      font-weight: 800;
    }

    .about-visual {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .about-visual img {
      width: 100%;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      transition: transform 0.35s ease, box-shadow 0.35s ease;
      object-fit: cover;
      aspect-ratio: 4 / 5;
    }

    .about-visual img:hover {
      transform: translateY(-5px) scale(1.01);
      box-shadow: var(--shadow-lg);
    }

    /* ---------- Services ---------- */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .service-card {
      background: var(--card-solid);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--border-mid);
    }

    .service-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--mint-100), #e9f9f1);
      color: var(--mint-700);
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .service-card h3 {
      font-size: 16.5px;
    }

    .service-card p {
      font-size: 13.5px;
      color: var(--text-soft);
      line-height: 1.7;
    }

    .service-card .service-tag {
      margin-top: auto;
      padding-top: 10px;
      font-size: 12px;
      font-weight: 600;
      color: var(--mint-600);
      letter-spacing: 0.02em;
    }

    /* ---------- Process ---------- */
    .process-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .process-step {
      position: relative;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px 22px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .process-step:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .step-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--mint-500);
      color: var(--white);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .process-step h3 {
      font-size: 16px;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 13.5px;
      color: var(--text-soft);
      line-height: 1.7;
    }

    /* ---------- Comparison table ---------- */
    .table-scroll {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      background: var(--white);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      min-width: 720px;
      border-collapse: collapse;
      font-size: 14px;
    }

    .compare-table thead th {
      background: linear-gradient(180deg, #eafaf2, #f4fcf8);
      color: var(--deep);
      font-weight: 700;
      text-align: left;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      white-space: nowrap;
    }

    .compare-table thead th:first-child {
      border-radius: var(--radius-md) 0 0 0;
    }

    .compare-table thead th:last-child {
      border-radius: 0 var(--radius-md) 0 0;
    }

    .compare-table tbody td {
      padding: 15px 20px;
      border-bottom: 1px solid rgba(58, 181, 131, 0.1);
      color: var(--text);
      vertical-align: top;
    }

    .compare-table tbody tr:last-child td {
      border-bottom: none;
    }

    .compare-table tbody tr:hover {
      background: #f7fdfa;
    }

    .compare-table .col-feature {
      font-weight: 650;
      color: var(--deep);
      white-space: nowrap;
    }

    .compare-table .col-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--mint-700);
      background: rgba(58, 181, 131, 0.1);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
    }

    .score-card {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-bottom: 28px;
    }

    .score-item {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      text-align: center;
    }

    .score-item .score-label {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .score-item .score-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--mint-700);
      line-height: 1.1;
    }

    .score-item .score-stars {
      margin-top: 6px;
      color: #f2b544;
      font-size: 16px;
      letter-spacing: 2px;
    }

    /* ---------- Cases ---------- */
    .case-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 20px;
      align-items: stretch;
    }

    .case-banner {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      min-height: 280px;
    }

    .case-banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .case-banner:hover img {
      transform: scale(1.04);
    }

    .case-banner-overlay {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 26px 24px;
      background: linear-gradient(180deg, transparent, rgba(8, 40, 28, 0.78));
      color: #fff;
    }

    .case-banner-overlay h3 {
      color: #fff;
      font-size: 18px;
    }

    .case-banner-overlay p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.82);
      margin-top: 4px;
    }

    .case-side {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .case-side-card {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 16px;
      align-items: center;
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 16px;
      transition: transform 0.28s ease, box-shadow 0.28s ease;
    }

    .case-side-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .case-side-thumb {
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      aspect-ratio: 1 / 1;
    }

    .case-side-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-side-card h3 {
      font-size: 15px;
      margin-bottom: 4px;
    }

    .case-side-card p {
      font-size: 13px;
      color: var(--text-soft);
    }

    /* ---------- Articles ---------- */
    .article-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 8px;
    }

    .article-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 18px 20px;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    .article-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-mid);
    }

    .article-item span {
      font-size: 14px;
      font-weight: 550;
      color: var(--text);
    }

    .article-item .article-link {
      flex-shrink: 0;
      font-size: 13px;
      font-weight: 650;
      color: var(--mint-600);
      white-space: nowrap;
    }

    /* ---------- Reviews ---------- */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .review-stars {
      color: #f2b544;
      font-size: 14px;
      letter-spacing: 2px;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.75;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: auto;
      padding-top: 6px;
    }

    .review-avatar {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--mint-100), #e0f5ea);
      color: var(--mint-700);
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
    }

    .review-user strong {
      display: block;
      font-size: 13.5px;
      color: var(--deep);
    }

    .review-user span {
      display: block;
      font-size: 12px;
      color: var(--text-light);
    }

    /* ---------- Pricing / Token ---------- */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .price-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .price-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .price-card.featured {
      border-color: var(--mint-400);
      background: linear-gradient(180deg, #f6fdf9, #ffffff);
      box-shadow: 0 18px 40px -20px rgba(42, 154, 108, 0.28);
    }

    .price-card h3 {
      font-size: 17px;
    }

    .price-card .price-main {
      font-size: 34px;
      font-weight: 800;
      color: var(--mint-700);
      line-height: 1;
    }

    .price-card .price-main small {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-light);
      margin-left: 4px;
    }

    .price-card ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .price-card li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 13.5px;
      color: var(--text-soft);
    }

    .price-card li::before {
      content: "•";
      color: var(--mint-500);
      font-weight: 800;
    }

    /* ---------- FAQ ---------- */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .faq-item.active {
      border-color: var(--mint-300);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      background: none;
      border: none;
      font-family: inherit;
      font-size: 15px;
      font-weight: 650;
      color: var(--deep);
      text-align: left;
      cursor: pointer;
      transition: color 0.2s;
    }

    .faq-question:hover {
      color: var(--mint-700);
    }

    .faq-icon {
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--mint-50);
      color: var(--mint-700);
      font-size: 16px;
      font-weight: 700;
      transition: transform 0.3s ease, background 0.2s;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--mint-500);
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      padding: 0 22px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 22px 20px;
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.8;
    }

    /* ---------- Form / contact ---------- */
    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
      gap: 36px;
      align-items: start;
    }

    .contact-info h2 {
      margin-bottom: 14px;
    }

    .contact-info > p {
      font-size: 15px;
      color: var(--text-soft);
      margin-bottom: 24px;
    }

    .contact-block {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-line {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: var(--text);
    }

    .contact-line strong {
      flex-shrink: 0;
      color: var(--text-light);
      font-weight: 600;
      font-size: 13px;
    }

    .wechat-qr {
      margin-top: 10px;
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .wechat-qr img {
      width: 92px;
      height: 92px;
      object-fit: contain;
      border-radius: 10px;
      border: 1px solid var(--border-light);
    }

    .wechat-qr p {
      font-size: 13px;
      color: var(--text-soft);
    }

    .form-card {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 28px;
      box-shadow: var(--shadow-md);
    }

    .form-card h3 {
      margin-bottom: 6px;
    }

    .form-card > p {
      font-size: 13.5px;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 14px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-soft);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      font-family: inherit;
      font-size: 14px;
      color: var(--text);
      background: #fafefc;
      border: 1px solid var(--border-mid);
      border-radius: 10px;
      padding: 11px 14px;
      width: 100%;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--mint-400);
      box-shadow: 0 0 0 3px rgba(58, 181, 131, 0.12);
    }

    .form-group textarea {
      min-height: 96px;
      resize: vertical;
    }

    .form-submit {
      width: 100%;
      margin-top: 6px;
    }

    /* ---------- Links / tags ---------- */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .tag-cloud span {
      display: inline-flex;
      align-items: center;
      font-size: 13px;
      font-weight: 550;
      color: var(--text-soft);
      background: var(--white);
      border: 1px solid var(--border-light);
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      transition: color 0.2s, border-color 0.2s, transform 0.2s;
      cursor: default;
    }

    .tag-cloud span:hover {
      color: var(--mint-700);
      border-color: var(--mint-300);
      transform: translateY(-2px);
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 20px;
      align-items: center;
      justify-content: center;
      margin-top: 24px;
    }

    .friend-links a {
      font-size: 13px;
      color: var(--text-soft);
      transition: color 0.2s;
    }

    .friend-links a:hover {
      color: var(--mint-700);
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: #142c23;
      color: rgba(255, 255, 255, 0.82);
      padding: 44px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1fr;
      gap: 32px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand img {
      max-height: 36px;
      width: auto;
      margin-bottom: 14px;
      
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.66);
      max-width: 300px;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.66);
      transition: color 0.2s;
    }

    .footer-col a:hover {
      color: #8dd9ba;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 22px;
      font-size: 12.5px;
      color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.7);
    }

    .footer-bottom a:hover {
      color: #8dd9ba;
    }

    /* ---------- Float / back to top ---------- */
    .float-actions {
      position: fixed;
      right: 20px;
      bottom: 28px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 90;
    }

    .float-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--white);
      border: 1px solid var(--border-mid);
      box-shadow: var(--shadow-md);
      color: var(--mint-700);
      font-size: 18px;
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.2s;
    }

    .float-btn:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
      background: var(--mint-50);
    }

    .back-top {
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s;
    }

    .back-top.show {
      opacity: 1;
      visibility: visible;
    }

    /* ---------- Reveal animation ---------- */
    .reveal {
      opacity: 0;
      transform: translateY(22px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    /* ---------- Responsive ---------- */
    @media (max-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .hero-aside {
        max-width: 560px;
      }

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

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

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

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

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

    @media (max-width: 860px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: #ffffff;
        border-bottom: 1px solid var(--border-light);
        padding: 12px 24px 18px;
        gap: 4px;
        box-shadow: var(--shadow-md);
      }

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

      .nav-wrap {
        position: static;
        gap: 10px;
      }

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

      .header-cta .btn {
        display: none;
      }

      .about-grid,
      .contact-grid,
      .case-grid {
        grid-template-columns: 1fr;
      }

      .score-card {
        grid-template-columns: 1fr;
      }

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

      .article-list {
        grid-template-columns: 1fr;
      }

      .hero {
        padding: 48px 0 56px;
      }

      .hero-metric-value {
        font-size: 24px;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 18px;
      }

      .section {
        padding: 52px 0;
      }

      .services-grid,
      .review-grid {
        grid-template-columns: 1fr;
      }

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

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .metric-strip {
        grid-template-columns: 1fr;
      }

      .about-highlights {
        grid-template-columns: 1fr;
      }

      .about-visual {
        grid-template-columns: 1fr 1fr;
      }

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

      .case-side-card {
        grid-template-columns: 84px 1fr;
      }

      .wechat-qr {
        flex-direction: column;
        align-items: flex-start;
      }

      .float-actions {
        right: 12px;
        bottom: 18px;
      }

      .float-btn {
        width: 42px;
        height: 42px;
        font-size: 16px;
      }

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

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }

      html {
        scroll-behavior: auto;
      }
    }