:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --secondary: #06b6d4;
      --accent-pink: #ec4899;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      --rainbow-grad: linear-gradient(135deg, #ec4899 0%, #8b5cf6 25%, #3b82f6 50%, #06b6d4 75%, #10b981 100%);
      --rainbow-subtle: linear-gradient(135deg, rgba(236,72,153,0.08) 0%, rgba(139,92,246,0.08) 30%, rgba(59,130,246,0.08) 60%, rgba(6,182,212,0.08) 100%);
      --rainbow-border: linear-gradient(90deg, #ec4899, #8b5cf6, #3b82f6, #06b6d4, #10b981);
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --bg-surface-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    body {
      background: var(--bg-page);
      color: var(--text-body);
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* Outer Container System */
    .site-wrapper {
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Common Components */
    .rainbow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      background: var(--rainbow-subtle);
      border: 1px solid rgba(139, 92, 246, 0.25);
      color: #6366f1;
      margin-bottom: 16px;
      box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 50%;
      transform: translateX(-50%);
      width: 50px;
      height: 4px;
      border-radius: 2px;
      background: var(--rainbow-border);
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 12px auto 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--rainbow-grad);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
      color: #ffffff;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      background: var(--bg-surface-alt);
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 8px 16px;
      font-size: 0.875rem;
      border-radius: var(--radius-sm);
    }

    /* Header & Navigation */
    .site-header {
      width: 100%;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 999;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-text-wrap {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
    }

    .brand-tagline {
      font-size: 0.725rem;
      color: var(--text-muted);
      letter-spacing: 0.05em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      text-decoration: none;
      color: var(--text-body);
      font-size: 0.935rem;
      font-weight: 500;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      display: inline-block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    /* HERO SECTION (STRICT: NO IMAGES) */
    .hero-section {
      width: 100%;
      padding: 72px 0 54px;
      position: relative;
      background: radial-gradient(circle at 50% 10%, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.05) 35%, transparent 70%), var(--bg-page);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-title .grad-text {
      background: var(--rainbow-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-highlight-btn {
      background: var(--rainbow-grad);
      color: #ffffff !important;
      font-size: 1.1rem;
      padding: 14px 34px;
      border-radius: var(--radius-md);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
      border: 2px solid rgba(255, 255, 255, 0.4);
      animation: rainbowPulse 3s infinite alternate;
    }

    @keyframes rainbowPulse {
      0% { filter: hue-rotate(0deg); }
      100% { filter: hue-rotate(30deg); }
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .hero-stat-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 14px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--rainbow-border);
    }

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

    .hero-stat-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      display: block;
    }

    .hero-stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Section Global Styles */
    section {
      width: 100%;
      padding: 72px 0;
    }

    .section-alt {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    /* Cards & Grids */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .card-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }

    .card-icon-pill {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 18px;
      background: var(--rainbow-subtle);
      border: 1px solid rgba(139, 92, 246, 0.2);
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 0.935rem;
      color: var(--text-body);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .tag-item {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      background: var(--bg-surface-alt);
      color: var(--text-muted);
      border: 1px solid var(--border-color);
    }

    /* Scenarios Showcase */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 20px;
    }

    .scenario-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      border-left: 4px solid #4f46e5;
    }

    .scenario-item:nth-child(2n) { border-left-color: #ec4899; }
    .scenario-item:nth-child(3n) { border-left-color: #06b6d4; }
    .scenario-item:nth-child(4n) { border-left-color: #10b981; }
    .scenario-item:nth-child(5n) { border-left-color: #f59e0b; }

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

    .scenario-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scenario-desc {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.55;
    }

    /* Comparison Table (对比评测) */
    .eval-highlight-box {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
      border: 1px solid rgba(139, 92, 246, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

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

    .score-circle {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: var(--rainbow-grad);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
    }

    .score-val {
      font-size: 1.75rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-scale {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .eval-info h3 {
      font-size: 1.4rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.25rem;
      margin-bottom: 4px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.935rem;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background: var(--bg-surface-alt);
      color: var(--text-main);
      font-weight: 700;
    }

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

    .comparison-table td.highlight-col {
      background: rgba(79, 70, 229, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    /* Model Cloud / AI百科 */
    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      max-width: 1050px;
      margin: 0 auto;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-body);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .model-chip .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
    }

    /* Token Price Cards */
    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .token-card.popular {
      border: 2px solid #8b5cf6;
      box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
    }

    .token-card.popular::before {
      content: "超高性价比";
      position: absolute;
      top: 14px;
      right: -30px;
      transform: rotate(45deg);
      background: var(--rainbow-grad);
      color: #ffffff;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 4px 32px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin: 14px 0 6px;
    }

    .token-price span {
      font-size: 0.875rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    /* Steps / Standard Workflow */
    .steps-chain {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--rainbow-grad);
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-text {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* Media Assets Showcase */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
    }

    .media-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }

    .media-img-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .media-img-box:hover img {
      transform: scale(1.02);
    }

    .banner-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-item {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* User Reviews */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.935rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--rainbow-subtle);
      border: 1px solid rgba(139, 92, 246, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    .author-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #8b5cf6;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 24px;
      width: 100%;
      text-align: left;
      background: transparent;
      border: none;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

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

    .faq-icon {
      font-size: 1.25rem;
      transition: transform 0.25s ease;
      color: var(--text-muted);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      background: rgba(248, 250, 252, 0.6);
      font-size: 0.935rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 12px 24px 20px;
      border-top: 1px solid var(--border-color);
    }

    /* Form Section */
    .form-wrapper {
      max-width: 720px;
      margin: 0 auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-bottom: 18px;
    }

    .form-group {
      margin-bottom: 18px;
      text-align: left;
    }

    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: var(--bg-surface-alt);
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* Contact & Social Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 1rem;
      color: var(--text-body);
    }

    .contact-badge-icon {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--rainbow-subtle);
      border: 1px solid rgba(139, 92, 246, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 700;
    }

    .qr-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .qr-img-wrap {
      width: 160px;
      height: 160px;
      margin-bottom: 12px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      padding: 6px;
      background: #ffffff;
    }

    .qr-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    /* Articles Box */
    .articles-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 24px;
    }

    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-pill {
      font-size: 0.85rem;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      text-decoration: none;
      border: 1px solid rgba(79, 70, 229, 0.15);
      transition: all 0.2s ease;
    }

    .article-pill:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* Footer & Friend Links */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px;
      color: var(--text-body);
      margin-top: auto;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid var(--border-color);
    }

    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: var(--primary);
    }

    .friend-links-area {
      padding: 24px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .friend-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    .friend-links-list a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.85rem;
      transition: color 0.2s ease;
    }

    .friend-links-list a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Floating Utilities */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 1000;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      text-decoration: none;
      transition: all 0.25s ease;
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.08);
      color: var(--primary);
      border-color: var(--primary);
    }

    .float-qr-pop {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 150px;
      text-align: center;
    }

    .float-btn:hover .float-qr-pop {
      display: block;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .card-grid-4, .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .card-grid-3, .reviews-grid, .steps-chain { grid-template-columns: 1fr; }
      .banner-strip-grid { grid-template-columns: repeat(2, 1fr); }
      .media-showcase-grid, .contact-grid, .footer-top { grid-template-columns: 1fr; }
      
      .site-nav { height: 64px; }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        gap: 0;
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { display: block; padding: 10px 0; }
      .menu-toggle { display: block; }
    }

    @media (max-width: 640px) {
      .hero-title { font-size: 1.8rem; }
      .hero-stats-grid, .card-grid-2, .form-row { grid-template-columns: 1fr; }
      .banner-strip-grid { grid-template-columns: 1fr; }
      .eval-highlight-box { flex-direction: column; align-items: flex-start; }
      .form-wrapper { padding: 20px 16px; }
    }