/* ===========================
   千兮财税 - 官网样式
   =========================== */

/* ---------- Reset & Base ---------- */

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --primary: #1a56db;
      --primary-dark: #1342b8;
      --primary-light: #e8f0fe;
      --accent: #f59e0b;
      --accent-dark: #d97706;
      --bg: #f8faff;
      --surface: #ffffff;
      --text: #1e2a3b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border: #e2e8f0;
      --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
      --shadow: 0 4px 20px rgba(0,0,0,0.08);
      --shadow-lg: 0 12px 40px rgba(26,86,219,0.15);
      --radius: 16px;
      --radius-sm: 10px;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }

    /* ========== Navbar ========== */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 999;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226,232,240,0.8);
      transition: box-shadow 0.3s;
    }
    .navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 56px;
      padding: 0 20px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .logo-icon {
      width: 36px; height: 36px;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .logo-icon svg { width: 20px; height: 20px; }
    .logo-text {
      font-size: 18px;
      font-weight: 700;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 1px;
    }
    .logo-sub {
      font-size: 10px;
      color: var(--text-muted);
      letter-spacing: 2px;
      margin-top: -2px;
      font-weight: 400;
    }
    .nav-menu-btn {
      width: 40px; height: 40px;
      border: none;
      background: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      border-radius: 10px;
      transition: background 0.2s;
    }
    .nav-menu-btn:active { background: var(--primary-light); }
    .nav-menu-btn span {
      width: 22px; height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: transform 0.3s, opacity 0.3s;
    }
    .nav-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-menu-btn.open span:nth-child(2) { opacity: 0; }
    .nav-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* Dropdown Menu */
    .nav-drawer {
      position: fixed;
      top: 56px; left: 0; right: 0;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 8px 0 16px;
      transform: translateY(-110%);
      transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
      z-index: 998;
      box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    }
    .nav-drawer.open { transform: translateY(0); }
    .nav-drawer a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 24px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      transition: background 0.15s;
      border-radius: 0;
    }
    .nav-drawer a:active { background: var(--primary-light); color: var(--primary); }
    .nav-drawer a .menu-dot {
      width: 6px; height: 6px;
      background: var(--primary);
      border-radius: 50%;
    }

    /* ========== Hero ========== */
    .hero {
      min-height: 100dvh;
      background: linear-gradient(160deg, #0f2557 0%, #1a56db 50%, #3b72f6 100%);
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 80px 24px 48px;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      top: -40%;
      right: -20%;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(91,141,238,0.3) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero::after {
      content: '';
      position: absolute;
      bottom: -10%;
      left: -10%;
      width: 320px; height: 320px;
      background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 100px;
      padding: 6px 14px;
      font-size: 12px;
      color: rgba(255,255,255,0.9);
      margin-bottom: 20px;
      width: fit-content;
      backdrop-filter: blur(8px);
    }
    .hero-badge-dot {
      width: 6px; height: 6px;
      background: #4ade80;
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }
    @keyframes pulse-dot {
      0%,100% { opacity:1; transform:scale(1); }
      50% { opacity:0.6; transform:scale(1.4); }
    }
    .hero-title {
      font-size: 36px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }
    .hero-title em {
      font-style: normal;
      background: linear-gradient(90deg, #fbbf24, #f59e0b);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-desc {
      font-size: 15px;
      color: rgba(255,255,255,0.75);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 320px;
    }
    .hero-btns {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 14px 28px;
      background: linear-gradient(135deg, #f59e0b, #f97316);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      border-radius: 100px;
      border: none;
      cursor: pointer;
      box-shadow: 0 8px 24px rgba(245,158,11,0.4);
      transition: transform 0.15s, box-shadow 0.15s;
      letter-spacing: 0.5px;
    }
    .btn-primary:active { transform: scale(0.97); box-shadow: 0 4px 12px rgba(245,158,11,0.3); }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 13px 24px;
      background: transparent;
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      border-radius: 100px;
      border: 1.5px solid rgba(255,255,255,0.5);
      cursor: pointer;
      transition: background 0.15s;
      letter-spacing: 0.5px;
    }
    .btn-outline:active { background: rgba(255,255,255,0.1); }
    .hero-stats {
      display: flex;
      gap: 0;
      margin-top: 48px;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 20px;
      overflow: hidden;
      backdrop-filter: blur(8px);
    }
    .hero-stat {
      flex: 1;
      text-align: center;
      padding: 16px 8px;
      position: relative;
    }
    .hero-stat + .hero-stat::before {
      content: '';
      position: absolute;
      left: 0; top: 20%;
      height: 60%; width: 1px;
      background: rgba(255,255,255,0.2);
    }
    .hero-stat-num {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      line-height: 1;
    }
    .hero-stat-num span { font-size: 13px; }
    .hero-stat-label {
      font-size: 11px;
      color: rgba(255,255,255,0.65);
      margin-top: 4px;
    }
    .scroll-hint {
      position: absolute;
      bottom: 28px; left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      color: rgba(255,255,255,0.5);
      font-size: 11px;
      animation: bounce-hint 2s infinite;
    }
    @keyframes bounce-hint {
      0%,100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(6px); }
    }
    .scroll-hint svg { width: 20px; height: 20px; }

    /* ========== Section Common ========== */
    section { padding: 64px 0; }
    .container { padding: 0 20px; max-width: 480px; margin: 0 auto; }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 100px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 26px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.3;
      letter-spacing: -0.3px;
      margin-bottom: 8px;
    }
    .section-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .divider {
      width: 40px; height: 3px;
      background: linear-gradient(90deg, var(--primary), #5b8dee);
      border-radius: 2px;
      margin-bottom: 20px;
    }

    /* ========== About Section ========== */
    .about { background: var(--surface); }
    .about-card {
      background: linear-gradient(135deg, #f0f4ff, #e8f0fe);
      border-radius: var(--radius);
      padding: 24px;
      margin-bottom: 20px;
      position: relative;
      overflow: hidden;
    }
    .about-card::before {
      content: '';
      position: absolute;
      top: -20px; right: -20px;
      width: 120px; height: 120px;
      background: radial-gradient(circle, rgba(26,86,219,0.1), transparent);
      border-radius: 50%;
    }
    .about-icon {
      width: 52px; height: 52px;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }
    .about-icon svg { width: 26px; height: 26px; }
    .about-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
    }
    .about-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }
    .about-grid-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px 14px;
      text-align: center;
    }
    .about-grid-item .num {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1;
    }
    .about-grid-item .num span { font-size: 14px; }
    .about-grid-item .lab {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    .about-values {
      margin-top: 24px;
    }
    .value-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }
    .value-item:last-child { border-bottom: none; }
    .value-icon {
      width: 40px; height: 40px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .value-icon svg { width: 20px; height: 20px; }
    .value-text h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
      color: var(--text);
    }
    .value-text p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ========== Services Section ========== */
    .services { background: var(--bg); }
    .service-tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding-bottom: 4px;
      margin-bottom: 24px;
      scrollbar-width: none;
    }
    .service-tabs::-webkit-scrollbar { display: none; }
    .tab-btn {
      flex-shrink: 0;
      padding: 8px 18px;
      border-radius: 100px;
      border: 1.5px solid var(--border);
      background: var(--surface);
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
      white-space: nowrap;
    }
    .tab-btn.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 12px rgba(26,86,219,0.25);
    }
    .service-panel { display: none; }
    .service-panel.active { display: block; }
    .service-card {
      background: var(--surface);
      border-radius: var(--radius);
      padding: 20px;
      margin-bottom: 12px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: flex-start;
      gap: 16px;
      transition: transform 0.2s, box-shadow 0.2s;
      cursor: pointer;
    }
    .service-card:active {
      transform: scale(0.98);
      box-shadow: var(--shadow);
    }
    .service-icon {
      width: 48px; height: 48px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .service-icon svg { width: 24px; height: 24px; }
    .service-info { flex: 1; }
    .service-info h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
      color: var(--text);
    }
    .service-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 10px;
    }
    .service-tag {
      background: var(--primary-light);
      color: var(--primary);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 100px;
    }
    .service-arrow {
      color: var(--text-light);
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* ========== Pricing Section ========== */
    .pricing { background: var(--surface); }
    .pricing-toggle {
      display: flex;
      align-items: center;
      gap: 12px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 100px;
      padding: 4px;
      margin-bottom: 28px;
      width: fit-content;
    }
    .toggle-btn {
      padding: 8px 20px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      border: none;
      background: none;
      color: var(--text-muted);
      transition: all 0.2s;
    }
    .toggle-btn.active {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 2px 8px rgba(26,86,219,0.25);
    }
    .pricing-cards { display: flex; flex-direction: column; gap: 16px; }
    .pricing-card {
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .pricing-card.popular {
      border-color: var(--primary);
      box-shadow: var(--shadow-lg);
    }
    .popular-badge {
      position: absolute;
      top: 16px; right: 16px;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      color: #fff;
      font-size: 11px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 100px;
    }
    .plan-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .plan-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.6;
    }
    .plan-price {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 20px;
    }
    .plan-price .currency {
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
    }
    .plan-price .amount {
      font-size: 42px;
      font-weight: 700;
      color: var(--text);
      line-height: 1;
      letter-spacing: -2px;
    }
    .plan-price .period {
      font-size: 13px;
      color: var(--text-muted);
    }
    .plan-features {
      list-style: none;
      margin-bottom: 24px;
    }
    .plan-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text);
      padding: 8px 0;
      border-bottom: 1px solid var(--border);
    }
    .plan-features li:last-child { border-bottom: none; }
    .plan-features li svg {
      width: 16px; height: 16px;
      color: #22c55e;
      flex-shrink: 0;
    }
    .plan-features li.disabled svg { color: var(--text-light); }
    .plan-features li.disabled { color: var(--text-light); }
    .plan-btn {
      width: 100%;
      padding: 14px;
      border-radius: 100px;
      border: none;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.15s;
      letter-spacing: 0.5px;
    }
    .plan-btn:active { transform: scale(0.97); }
    .plan-btn-primary {
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      color: #fff;
      box-shadow: 0 6px 20px rgba(26,86,219,0.3);
    }
    .plan-btn-outline {
      background: var(--primary-light);
      color: var(--primary);
    }
    .pricing-note {
      text-align: center;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 20px;
      padding: 12px;
      background: var(--bg);
      border-radius: var(--radius-sm);
    }

    /* ========== Cases Section ========== */
    .cases { background: var(--bg); }
    .cases-filter {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding-bottom: 4px;
      margin-bottom: 24px;
      scrollbar-width: none;
    }
    .cases-filter::-webkit-scrollbar { display: none; }
    .filter-btn {
      flex-shrink: 0;
      padding: 7px 16px;
      border-radius: 100px;
      border: 1.5px solid var(--border);
      background: var(--surface);
      font-size: 12px;
      font-weight: 500;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .filter-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }
    .case-card {
      background: var(--surface);
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 16px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .case-header {
      padding: 20px 20px 16px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .case-logo {
      width: 52px; height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0;
    }
    .case-info h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 3px;
    }
    .case-info .case-type {
      font-size: 12px;
      color: var(--text-muted);
    }
    .case-meta {
      display: flex;
      gap: 8px;
      margin-top: 8px;
      flex-wrap: wrap;
    }
    .case-tag {
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 100px;
      font-weight: 500;
    }
    .case-body {
      padding: 0 20px 20px;
    }
    .case-quote {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      font-style: italic;
      padding: 12px 16px;
      background: var(--bg);
      border-left: 3px solid var(--primary);
      border-radius: 0 8px 8px 0;
      margin-bottom: 14px;
    }
    .case-results {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .case-result-item {
      text-align: center;
      padding: 12px;
      background: var(--bg);
      border-radius: var(--radius-sm);
    }
    .case-result-item .result-num {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
    }
    .case-result-item .result-lab {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* ========== Testimonials ========== */
    .testimonials { background: var(--surface); }
    .testi-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      margin-bottom: 12px;
    }
    .testi-stars {
      display: flex;
      gap: 2px;
      margin-bottom: 10px;
    }
    .testi-stars svg { width: 16px; height: 16px; color: #f59e0b; }
    .testi-text {
      font-size: 14px;
      color: var(--text);
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .testi-avatar {
      width: 36px; height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0;
    }
    .testi-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
    }
    .testi-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* ========== CTA Section ========== */
    .cta-section {
      background: linear-gradient(135deg, #0f2557, var(--primary));
      padding: 64px 0;
    }
    .cta-section .section-tag {
      background: rgba(255,255,255,0.15);
      color: rgba(255,255,255,0.9);
    }
    .cta-section .section-title { color: #fff; }
    .cta-section .section-desc { color: rgba(255,255,255,0.7); }
    .cta-features {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 32px;
    }
    .cta-feature {
      display: flex;
      align-items: center;
      gap: 12px;
      color: rgba(255,255,255,0.9);
      font-size: 14px;
    }
    .cta-feature svg {
      width: 20px; height: 20px;
      flex-shrink: 0;
      color: #4ade80;
    }
    .cta-contact {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius);
      padding: 24px;
      margin-top: 24px;
      backdrop-filter: blur(8px);
    }
    .cta-contact h3 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }
    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      color: rgba(255,255,255,0.85);
      font-size: 14px;
    }
    .contact-item:last-child { border-bottom: none; }
    .contact-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); }

    /* ========== Footer ========== */
    footer {
      background: #0a1628;
      padding: 40px 0 32px;
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .footer-logo .logo-icon {
      width: 40px; height: 40px;
      border-radius: 12px;
    }
    .footer-desc {
      font-size: 13px;
      color: #64748b;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .footer-links-title {
      font-size: 13px;
      font-weight: 600;
      color: #94a3b8;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .footer-links {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-bottom: 28px;
    }
    .footer-links a {
      font-size: 13px;
      color: #64748b;
      transition: color 0.15s;
    }
    .footer-links a:active { color: #94a3b8; }
    .footer-bottom {
      padding-top: 20px;
      border-top: 1px solid #1e2d3d;
      text-align: center;
      font-size: 12px;
      color: #3d5166;
    }
    .footer-icp {
      font-size: 11px;
      color: #2d3f52;
      margin-top: 6px;
    }

    /* ========== Floating Action Button ========== */
    .fab {
      position: fixed;
      bottom: 24px;
      right: 20px;
      z-index: 990;
    }
    .fab-btn {
      width: 56px; height: 56px;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      border-radius: 50%;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(26,86,219,0.4);
      transition: transform 0.2s, box-shadow 0.2s;
      animation: fab-pulse 3s infinite;
    }
    .fab-btn:active { transform: scale(0.92); }
    @keyframes fab-pulse {
      0%,100% { box-shadow: 0 8px 24px rgba(26,86,219,0.4); }
      50% { box-shadow: 0 8px 32px rgba(26,86,219,0.6), 0 0 0 8px rgba(26,86,219,0.1); }
    }
    .fab-btn svg { width: 24px; height: 24px; }
    .fab-menu {
      position: absolute;
      bottom: 64px; right: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: flex-end;
      transform: scale(0.8) translateY(20px);
      opacity: 0;
      pointer-events: none;
      transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
    }
    .fab-menu.open {
      transform: scale(1) translateY(0);
      opacity: 1;
      pointer-events: all;
    }
    .fab-menu-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .fab-menu-label {
      background: var(--surface);
      color: var(--text);
      font-size: 13px;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 100px;
      box-shadow: var(--shadow);
      white-space: nowrap;
    }
    .fab-mini-btn {
      width: 44px; height: 44px;
      border-radius: 50%;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow);
      flex-shrink: 0;
    }
    .fab-mini-btn svg { width: 20px; height: 20px; }

    /* ========== Animate on Scroll ========== */
    .anim { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
    .anim.visible { opacity: 1; transform: translateY(0); }
    .anim-delay-1 { transition-delay: 0.1s; }
    .anim-delay-2 { transition-delay: 0.2s; }
    .anim-delay-3 { transition-delay: 0.3s; }

    /* ========== Process Steps ========== */
    .steps { margin-top: 8px; }
    .step-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 16px 0;
      position: relative;
    }
    .step-item + .step-item::before {
      content: '';
      position: absolute;
      top: -8px; left: 19px;
      width: 2px; height: 32px;
      background: linear-gradient(180deg, var(--primary), transparent);
    }
    .step-num {
      width: 38px; height: 38px;
      background: linear-gradient(135deg, var(--primary), #5b8dee);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .step-text h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
      color: var(--text);
    }
    .step-text p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ========== Advantage Cards ========== */
    .adv-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .adv-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px;
      text-align: center;
    }
    .adv-card .adv-icon {
      width: 40px; height: 40px;
      border-radius: 12px;
      margin: 0 auto 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .adv-card .adv-icon svg { width: 22px; height: 22px; }
    .adv-card h4 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 4px;
      color: var(--text);
    }
    .adv-card p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* ========== Industry Advantages ========== */
    .advantages {
      background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
      padding: 48px 0 32px;
    }
    .advantages .section-title { color: var(--text); }
    .advantages .section-desc { color: var(--text-muted); }
    .advantage-cards {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }
    .advantage-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      transition: box-shadow 0.3s, transform 0.3s;
    }
    .advantage-card:active {
      box-shadow: var(--shadow);
      transform: translateY(-2px);
    }
    .advantage-card .advantage-icon {
      font-size: 32px;
      margin-bottom: 12px;
    }
    .advantage-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
    }
    .advantage-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ========== FAQ ========== */
    .faq {
      background: var(--surface);
      padding: 48px 0 32px;
    }
    .faq .section-title { color: var(--text); }
    .faq .section-desc { color: var(--text-muted); }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 24px;
    }
    .faq-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: box-shadow 0.3s;
    }
    .faq-item:active {
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px;
      cursor: pointer;
      user-select: none;
    }
    .faq-question span {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      flex: 1;
      padding-right: 12px;
    }
    .faq-question svg {
      width: 20px; height: 20px;
      color: var(--text-muted);
      flex-shrink: 0;
      transition: transform 0.3s;
    }
    .faq-item.open .faq-question svg {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .faq-item.open .faq-answer {
      max-height: 200px;
    }
    .faq-answer p {
      padding: 0 16px 16px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .faq-more {
      text-align: center;
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
    }
    .faq-more p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    /* ========== More Services ========== */
    .more-services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .more-service-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px 8px;
      text-align: center;
      transition: box-shadow 0.3s, transform 0.3s;
    }
    .more-service-card:active {
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }
    .more-service-icon {
      font-size: 24px;
      margin-bottom: 8px;
    }
    .more-service-title {
      font-size: 12px;
      font-weight: 600;
      color: var(--text);
    }

    /* Responsive */
    @media (max-width: 360px) {
      .hero-title { font-size: 30px; }
      .section-title { font-size: 22px; }
    }