:root {
      --primary-red: #d32f2f;
      --primary-red-hover: #b71c1c;
      --accent-gold: #ff6f00;
      --accent-warm: #fff5f5;
      --text-main: #1f2429;
      --text-muted: #57606a;
      --border-color: #ffd2d2;
      --bg-light: #fafafa;
      --bg-card: #ffffff;
      --shadow-sm: 0 4px 12px rgba(211, 47, 47, 0.06);
      --shadow-md: 0 8px 24px rgba(211, 47, 47, 0.12);
      --shadow-lg: 0 16px 36px rgba(211, 47, 47, 0.16);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --transition-base: all 0.28s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      color: var(--text-main);
      background-color: #fff9f9;
      background-image: radial-gradient(#ffdada 1px, transparent 1px);
      background-size: 24px 24px;
      overflow-x: hidden;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Header & Nav */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(211, 47, 47, 0.05);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-logo-wrap img {
      height: 42px;
      width: auto;
      display: block;
    }

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

    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-red);
      background: var(--accent-warm);
    }

    .nav-cta-btn {
      background: linear-gradient(135deg, var(--primary-red), var(--accent-gold));
      color: #ffffff !important;
      padding: 10px 20px !important;
      border-radius: 30px !important;
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
    }

    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(211, 47, 47, 0.4);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px;
      cursor: pointer;
      color: var(--primary-red);
    }

    /* Hero Section (No Images as required) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(180deg, #fff0f0 0%, #fff9f9 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: #ffebee;
      color: var(--primary-red);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid #ffcdd2;
      margin-bottom: 24px;
      letter-spacing: 0.5px;
    }

    .hero-title {
      font-size: 40px;
      line-height: 1.25;
      font-weight: 800;
      color: #900c0c;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
    }

    .btn-primary-large {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #d32f2f 0%, #e64a19 100%);
      color: #ffffff;
      font-weight: 700;
      font-size: 16px;
      padding: 14px 34px;
      border-radius: 36px;
      box-shadow: 0 8px 24px rgba(211, 47, 47, 0.35);
    }

    .btn-primary-large:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(211, 47, 47, 0.45);
      color: #ffffff;
    }

    .btn-secondary-large {
      display: inline-flex;
      align-items: center;
      background: #ffffff;
      color: var(--primary-red);
      font-weight: 700;
      font-size: 16px;
      padding: 14px 34px;
      border-radius: 36px;
      border: 2px solid var(--primary-red);
    }

    .btn-secondary-large:hover {
      background: var(--accent-warm);
      transform: translateY(-2px);
    }

    /* Stats Grid */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition-base);
    }

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

    .stat-number {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-red);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Section Global Headers */
    .section-spacing {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-eyebrow {
      display: inline-block;
      color: var(--primary-red);
      font-size: 13px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
      background: #ffebee;
      padding: 4px 12px;
      border-radius: 20px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #2b0b0b;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* Platform & Model Grid */
    .models-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-bottom: 40px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid #ffd8d8;
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: #4a1515;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-base);
    }

    .model-chip:hover {
      background: var(--primary-red);
      color: #ffffff;
      transform: translateY(-2px);
    }

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

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

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-red), var(--accent-gold));
      opacity: 0;
      transition: var(--transition-base);
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: #ff9999;
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: #ffebee;
      color: var(--primary-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 18px;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #2b0b0b;
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 11px;
      background: #fff3f3;
      color: var(--primary-red);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* Comparison Table Section */
    .comparison-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow-x: auto;
    }

    .compare-score-banner {
      background: linear-gradient(90deg, #d32f2f, #b71c1c);
      color: #ffffff;
      padding: 24px 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .compare-score-left h3 {
      font-size: 20px;
      font-weight: 700;
    }

    .compare-score-left p {
      font-size: 14px;
      opacity: 0.9;
    }

    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-stars {
      color: #ffeb3b;
      font-size: 20px;
      font-weight: bold;
      letter-spacing: 2px;
    }

    .score-numeric {
      background: #ffffff;
      color: var(--primary-red);
      font-size: 22px;
      font-weight: 900;
      padding: 4px 14px;
      border-radius: 30px;
      display: inline-block;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comparison-table th, .comparison-table td {
      padding: 16px 24px;
      border-bottom: 1px solid #ffecec;
      font-size: 14px;
    }

    .comparison-table th {
      background: #fff8f8;
      font-weight: 700;
      color: #3f1111;
    }

    .comparison-table td:nth-child(2) {
      background: #fff5f5;
      font-weight: 600;
      color: var(--primary-red);
    }

    .comparison-table tr:hover td {
      background: #fff0f0;
    }

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

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .process-step-num {
      width: 44px;
      height: 44px;
      line-height: 44px;
      background: var(--primary-red);
      color: #ffffff;
      border-radius: 50%;
      margin: 0 auto 16px;
      font-weight: 800;
      font-size: 18px;
    }

    .process-card h4 {
      font-size: 16px;
      color: #2b0b0b;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Showcase & Banner Images (Strictly outside Hero) */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
      margin-bottom: 40px;
    }

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

    .media-card img {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition-base);
    }

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

    .media-card-body {
      padding: 20px;
    }

    .media-card-body h4 {
      font-size: 16px;
      color: #2b0b0b;
      margin-bottom: 6px;
    }

    .media-card-body p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Reviews Grid */
    .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-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-red), var(--accent-gold));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .review-user-info h4 {
      font-size: 15px;
      color: #2b0b0b;
    }

    .review-user-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    .review-text {
      font-size: 13.5px;
      color: #4a4a4a;
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .review-stars {
      color: #f57c00;
      font-size: 12px;
      font-weight: bold;
    }

    /* FAQ Accordion */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 700;
      color: #2b0b0b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      user-select: none;
    }

    .faq-question:hover {
      background: #fff8f8;
      color: var(--primary-red);
    }

    .faq-question-icon {
      font-size: 18px;
      color: var(--primary-red);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fffcfc;
      border-top: 0 solid var(--border-color);
      color: #555;
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 18px 24px;
      max-height: 300px;
      border-top-width: 1px;
    }

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

    /* Form Section & Agency */
    .form-agency-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-card h3 {
      font-size: 22px;
      color: #2b0b0b;
      margin-bottom: 8px;
      font-weight: 800;
    }

    .form-card p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .custom-form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #333333;
      margin-bottom: 6px;
    }

    .custom-form-group input,
    .custom-form-group select,
    .custom-form-group textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d8d8d8;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-family: inherit;
      color: var(--text-main);
      background: #fafafa;
      transition: var(--transition-base);
    }

    .custom-form-group input:focus,
    .custom-form-group select:focus,
    .custom-form-group textarea:focus {
      outline: none;
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.12);
    }

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary-red), var(--accent-gold));
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(211, 47, 47, 0.3);
      transition: var(--transition-base);
    }

    .btn-submit-form:hover {
      opacity: 0.95;
      transform: translateY(-2px);
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-card h3 {
      font-size: 22px;
      color: #2b0b0b;
      margin-bottom: 20px;
      font-weight: 800;
    }

    .contact-item-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 18px;
    }

    .contact-icon-badge {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: #ffebee;
      color: var(--primary-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .contact-item-text strong {
      display: block;
      font-size: 14px;
      color: #2b0b0b;
    }

    .contact-item-text span {
      font-size: 13px;
      color: var(--text-muted);
    }

    .qr-container {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid #ffe8e8;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .qr-container img {
      width: 108px;
      height: 108px;
      border-radius: 8px;
      border: 1px solid #ffcccc;
      display: block;
    }

    .qr-text-info h4 {
      font-size: 15px;
      color: #2b0b0b;
      margin-bottom: 4px;
    }

    .qr-text-info p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Articles & Friendly Links */
    .articles-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 40px;
    }

    .articles-links-box h4 {
      font-size: 16px;
      color: #2b0b0b;
      margin-bottom: 12px;
      font-weight: 700;
    }

    .articles-list-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }

    .article-item-link {
      background: #fff5f5;
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 13px;
      color: var(--primary-red);
      font-weight: 500;
      border: 1px solid #ffd4d4;
    }

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

    .friendly-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .friendly-links-row a {
      font-size: 13px;
      color: var(--text-muted);
    }

    .friendly-links-row a:hover {
      color: var(--primary-red);
    }

    /* Footer */
    footer {
      background: #230808;
      color: #d1b8b8;
      padding: 50px 0 24px;
      border-top: 4px solid var(--primary-red);
    }

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

    .footer-brand-col h4 {
      color: #ffffff;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .footer-brand-col p {
      font-size: 13px;
      line-height: 1.7;
      max-width: 440px;
      color: #bfa3a3;
    }

    .footer-nav-col h5 {
      color: #ffffff;
      font-size: 15px;
      margin-bottom: 14px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list a {
      color: #bfa3a3;
      font-size: 13px;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .footer-bottom-bar {
      border-top: 1px solid #3d1414;
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: #8c6f6f;
    }

    /* Float Service Tool */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(211, 47, 47, 0.4);
      cursor: pointer;
      border: none;
      transition: var(--transition-base);
      font-size: 13px;
      font-weight: 700;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--accent-gold);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .form-agency-grid {
        grid-template-columns: 1fr;
      }
      .footer-content-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 2px solid var(--border-color);
        box-shadow: var(--shadow-md);
        padding: 16px;
      }
      .nav-links.active {
        display: flex;
      }
      .hero-title {
        font-size: 28px;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
    }