:root {
      --primary: #4338ca;
      --primary-light: #6366f1;
      --clash-pink: #f43f5e;
      --clash-cyan: #06b6d4;
      --clash-purple: #a855f7;
      --clash-yellow: #f59e0b;
      --clash-green: #10b981;
      --bg-main: #f8fafc;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(67, 56, 202, 0.1), 0 8px 10px -6px rgba(67, 56, 202, 0.1);
      --shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1240px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    ul, ol {
      list-style: none;
    }

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

    .site-container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 2px solid #eef2f6;
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
      gap: 15px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-wrap img.ai-page-logo {
      height: 44px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
      display: flex;
      flex-direction: column;
    }

    .brand-title span {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--clash-pink);
      letter-spacing: 1px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background-color: #eef2ff;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 2px solid transparent;
      transition: var(--transition);
      text-align: center;
      line-height: 1.2;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(67, 56, 202, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(67, 56, 202, 0.45);
    }

    .btn-clash {
      background: linear-gradient(135deg, var(--clash-pink), #e11d48);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
    }

    .btn-clash:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(244, 63, 94, 0.45);
    }

    .btn-outline {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }

    .btn-outline:hover {
      background: #eef2ff;
      transform: translateY(-2px);
    }

    .btn-cyan {
      background: linear-gradient(135deg, var(--clash-cyan), #0891b2);
      color: #ffffff !important;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 5px;
    }

    /* Section Global */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid #edf2f7;
      border-bottom: 1px solid #edf2f7;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: #eef2ff;
      color: var(--primary);
      border: 1px solid #c7d2fe;
      margin-bottom: 14px;
    }

    .section-badge.pink {
      background: #ffe4e6;
      color: var(--clash-pink);
      border-color: #fecdd3;
    }

    .section-badge.cyan {
      background: #cffafe;
      color: #0891b2;
      border-color: #a5f3fc;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Section (Strictly NO Images) */
    .hero-section {
      padding: 80px 0 90px;
      background: radial-gradient(circle at 10% 20%, rgba(244, 63, 94, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      border-bottom: 2px solid #e2e8f0;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-highlight-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: #ffffff;
      border: 2px solid var(--clash-pink);
      border-radius: var(--radius-full);
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--clash-pink);
      margin-bottom: 24px;
      box-shadow: 0 4px 12px rgba(244, 63, 94, 0.15);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.03); }
    }

    h1.hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }

    .hero-title .accent-gradient {
      background: linear-gradient(135deg, var(--primary), var(--clash-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      font-weight: 500;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
    }

    .hero-features-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-bottom: 40px;
    }

    .hero-chip {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-chip i {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--clash-cyan);
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 50px;
    }

    .btn-hero-primary {
      font-size: 1.15rem;
      padding: 16px 36px;
      background: linear-gradient(135deg, #e11d48, #be123c);
      color: #ffffff !important;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 25px rgba(225, 29, 72, 0.4);
      font-weight: 800;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(225, 29, 72, 0.5);
    }

    .btn-hero-secondary {
      font-size: 1.15rem;
      padding: 16px 32px;
      background: #ffffff;
      color: var(--primary) !important;
      border: 2px solid var(--primary);
      border-radius: var(--radius-full);
      font-weight: 700;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: #eef2ff;
      transform: translateY(-3px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 2px solid #e2e8f0;
      box-shadow: var(--shadow-md);
      text-align: left;
    }

    .stat-item {
      padding: 10px 16px;
      border-left: 4px solid var(--primary);
    }

    .stat-item:nth-child(2) { border-left-color: var(--clash-pink); }
    .stat-item:nth-child(3) { border-left-color: var(--clash-cyan); }
    .stat-item:nth-child(4) { border-left-color: var(--clash-yellow); }

    .stat-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* Model Matrix Badge Grid */
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 30px;
    }

    .model-badge {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 10px 18px;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .model-badge:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      background: #f8faff;
    }

    .model-badge .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--clash-green);
    }

    /* Service Grid Cards */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: linear-gradient(90deg, var(--primary), var(--clash-cyan));
    }

    .service-card.pink::before { background: linear-gradient(90deg, var(--clash-pink), var(--clash-yellow)); }
    .service-card.cyan::before { background: linear-gradient(90deg, var(--clash-cyan), var(--primary)); }
    .service-card.purple::before { background: linear-gradient(90deg, var(--clash-purple), var(--clash-pink)); }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }

    .service-icon-box {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      background: #eef2ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .service-card.pink .service-icon-box { background: #ffe4e6; color: var(--clash-pink); }
    .service-card.cyan .service-icon-box { background: #cffafe; color: #0891b2; }

    .service-card-title {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .service-card-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-image-wrap {
      margin-top: 15px;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      background: #f1f5f9;
    }

    .service-image-wrap img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .service-card:hover .service-image-wrap img {
      transform: scale(1.05);
    }

    /* Comparison Table (对比评测) */
    .review-score-banner {
      background: linear-gradient(135deg, #312e81, #4338ca);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .score-left h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 1.05rem;
      opacity: 0.9;
    }

    .score-badge-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.1);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .star-rating {
      font-size: 1.5rem;
      color: #fbbf24;
      letter-spacing: 2px;
    }

    .score-digit {
      font-size: 2.8rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      opacity: 0.8;
      display: block;
    }

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

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 720px;
    }

    .custom-table th, .custom-table td {
      padding: 18px 20px;
      border-bottom: 1px solid #edf2f7;
      font-size: 0.95rem;
    }

    .custom-table th {
      background-color: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
      border-bottom: 2px solid #e2e8f0;
    }

    .custom-table tr:hover td {
      background-color: #f8faff;
    }

    .custom-table .highlight-col {
      background-color: #f5f3ff;
      font-weight: 700;
      color: var(--primary);
    }

    .tag-good {
      display: inline-block;
      padding: 4px 10px;
      background: #dcfce7;
      color: #15803d;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
    }

    .tag-poor {
      display: inline-block;
      padding: 4px 10px;
      background: #fee2e2;
      color: #b91c1c;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
    }

    /* Process Workflow (标准化流程) */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .step-card:nth-child(2) .step-num { background: var(--clash-pink); }
    .step-card:nth-child(3) .step-num { background: var(--clash-cyan); }
    .step-card:nth-child(4) .step-num { background: var(--clash-purple); }
    .step-card:nth-child(5) .step-num { background: var(--clash-green); }

    .step-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Training Section */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .training-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #e0e7ff;
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .training-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .cert-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: #c2410c;
      background: #ffedd5;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      width: fit-content;
    }

    .training-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .training-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    /* Reviews (6 User Reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.98rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-light), var(--clash-pink));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .reviewer-name {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .reviewer-role {
      font-size: 0.85rem;
      color: var(--clash-pink);
      font-weight: 600;
    }

    /* Matching & Contact Form */
    .form-section-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-intro h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .form-intro p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .contact-item-box {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 20px;
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      background: #eef2ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .contact-text h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-text p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin: 0;
    }

    .form-box {
      background: #f8fafc;
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #cbd5e1;
      background: #ffffff;
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      box-sizing: border-box;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.15);
    }

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

    /* FAQ Accordion */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: #c7d2fe;
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.4rem;
      color: var(--primary);
      transition: transform 0.3s ease;
      font-weight: 400;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      background: #f8fafc;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 0 24px 20px 24px;
      max-height: 300px;
    }

    /* Agency / Franchise (加盟代理) */
    .agency-banner {
      background: linear-gradient(135deg, #0f172a, #1e1b4b);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      position: relative;
      overflow: hidden;
      border: 2px solid #3730a3;
    }

    .agency-banner-inner {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }

    .agency-banner h3 {
      font-size: 2.2rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agency-banner p {
      font-size: 1.1rem;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 16px;
      margin-bottom: 36px;
    }

    .perk-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 16px;
      border-radius: var(--radius-md);
    }

    .perk-box h5 {
      font-size: 1.1rem;
      color: #38bdf8;
      margin-bottom: 6px;
      font-weight: 800;
    }

    .perk-box p {
      font-size: 0.85rem;
      color: #94a3b8;
      margin: 0;
    }

    /* Article List & Glossary */
    .article-links-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 14px;
      margin-top: 20px;
    }

    .article-item-link {
      display: block;
      padding: 12px 16px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .article-item-link:hover {
      background: #eef2ff;
      border-color: var(--primary-light);
      color: var(--primary);
    }

    /* Footer */
    .site-footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      margin-top: auto;
      border-top: 4px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand-info h4 {
      color: #ffffff;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand-info p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .footer-title {
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-qr-box {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-qr-box img {
      width: 120px;
      height: 120px;
      border-radius: var(--radius-sm);
      background: #ffffff;
      padding: 4px;
    }

    .footer-qr-box span {
      font-size: 0.85rem;
      color: #cbd5e1;
    }

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
    }

    .friend-links-list a {
      font-size: 0.85rem;
      color: #64748b;
    }

    .friend-links-list a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    .footer-home-link a.ai-page-home-link {
      color: #38bdf8;
      font-weight: 700;
    }

    /* Floating Utilities */
    .floating-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: var(--shadow-lg);
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.1rem;
      text-decoration: none;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.1);
    }

    .float-btn.qr-btn {
      background: var(--clash-pink);
      color: #ffffff;
      border-color: var(--clash-pink);
    }

    .float-btn.qr-btn:hover {
      background: #e11d48;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-section-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 2px solid var(--border-color);
        gap: 10px;
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      h1.hero-title {
        font-size: 2rem;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .score-badge-box {
        width: 100%;
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }