:root {
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --color-bg-base: #f8fafc;
      --color-surface: #ffffff;
      --color-surface-trans: rgba(255, 255, 255, 0.85);
      --color-text-main: #0f172a;
      --color-text-muted: #475569;
      --color-text-light: #64748b;
      --color-border: #e2e8f0;
      --color-border-glow: #cbd5e1;
      
      --iridescent-gradient: linear-gradient(135deg, #ec4899 0%, #8b5cf6 30%, #3b82f6 70%, #06b6d4 100%);
      --iridescent-soft: linear-gradient(135deg, rgba(236,72,153,0.08) 0%, rgba(139,92,246,0.08) 40%, rgba(6,182,212,0.08) 100%);
      --iridescent-border: linear-gradient(120deg, #f472b6, #c084fc, #60a5fa, #34d399);
      --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
      --card-hover-shadow: 0 20px 35px -10px rgba(99, 102, 241, 0.15), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
      --container-width: 1200px;
      --header-height: 72px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-main);
      background-color: var(--color-bg-base);
      color: var(--color-text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(236, 72, 153, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 40%, rgba(59, 130, 246, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
      background-attachment: fixed;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-height);
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

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

    .brand-logo-wrap {
      width: 140px;
      height: 40px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .brand-logo-wrap img {
      max-height: 100%;
      object-fit: contain;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--color-text-muted);
      border-radius: 6px;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #2563eb;
      background: rgba(37, 99, 235, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 9999px;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-laser-primary {
      background: var(--iridescent-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    }

    .btn-laser-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(124, 58, 237, 0.45);
      color: #ffffff;
    }

    .btn-laser-outline {
      background: #ffffff;
      color: #3b82f6;
      border-color: #cbd5e1;
      position: relative;
    }

    .btn-laser-outline:hover {
      border-color: #8b5cf6;
      color: #7c3aed;
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(139, 92, 246, 0.15);
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--color-text-main);
      cursor: pointer;
      padding: 4px;
    }

    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: rgba(241, 245, 249, 0.5);
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #6366f1;
      background: rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(99, 102, 241, 0.2);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 700;
      color: var(--color-text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

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

    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--color-border);
      background: radial-gradient(circle at 50% -20%, rgba(139, 92, 246, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    }

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

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 9999px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #475569;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      margin-bottom: 24px;
    }

    .hero-tagline-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.2); }
    }

    .hero-h1 {
      font-size: 2.6rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--color-text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-main-glow {
      padding: 14px 34px;
      font-size: 1.05rem;
      background: var(--iridescent-gradient);
      color: #ffffff;
      border-radius: 9999px;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
    }

    .btn-main-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
      color: #ffffff;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .stat-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 14px;
      padding: 20px 16px;
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      border-color: #c084fc;
      transform: translateY(-3px);
      box-shadow: var(--card-hover-shadow);
    }

    .stat-value {
      font-size: 1.75rem;
      font-weight: 800;
      background: var(--iridescent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--color-text-light);
      font-weight: 500;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

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

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

    .laser-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .laser-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--iridescent-border);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .laser-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(147, 197, 253, 0.8);
    }

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

    .card-icon-box {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: var(--iridescent-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: #6366f1;
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--color-text-main);
      margin-bottom: 12px;
    }

    .card-text {
      font-size: 0.94rem;
      color: var(--color-text-muted);
      line-height: 1.65;
    }

    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      justify-content: center;
    }

    .model-tag {
      padding: 7px 16px;
      border-radius: 9999px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
      transition: all 0.25s ease;
    }

    .model-tag:hover {
      border-color: #8b5cf6;
      color: #7c3aed;
      transform: translateY(-2px);
    }

    .step-flow-list {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-item {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      padding: 24px 18px;
      text-align: center;
      position: relative;
      box-shadow: var(--card-shadow);
    }

    .step-number {
      width: 36px;
      height: 36px;
      margin: 0 auto 16px auto;
      border-radius: 50%;
      background: var(--iridescent-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .step-item-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text-main);
    }

    .step-item-desc {
      font-size: 0.85rem;
      color: var(--color-text-muted);
      line-height: 1.5;
    }

    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .gallery-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease;
    }

    .gallery-card:hover {
      transform: translateY(-4px);
    }

    .gallery-img-box {
      width: 100%;
      height: 200px;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .gallery-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .gallery-info {
      padding: 16px;
    }

    .gallery-title {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--color-text-main);
    }

    .gallery-desc {
      font-size: 0.85rem;
      color: var(--color-text-muted);
    }

    .eval-highlight-box {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
      border: 2px solid #c084fc;
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 15px 35px -10px rgba(139, 92, 246, 0.2);
      margin-bottom: 36px;
    }

    .eval-header-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--color-border);
    }

    .score-badge {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .score-large {
      font-size: 3.2rem;
      font-weight: 900;
      background: var(--iridescent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1;
    }

    .score-total {
      font-size: 1.1rem;
      color: var(--color-text-light);
      font-weight: 600;
    }

    .star-row {
      color: #f59e0b;
      font-size: 1.25rem;
      display: flex;
      gap: 4px;
    }

    .compare-table-wrap {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      box-shadow: var(--card-shadow);
    }

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

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      font-size: 0.95rem;
      border-bottom: 1px solid var(--color-border);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--color-text-main);
    }

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

    .td-highlight {
      background: rgba(139, 92, 246, 0.04);
      font-weight: 600;
      color: #6366f1;
    }

    .form-container {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 18px;
      padding: 36px;
      box-shadow: var(--card-shadow);
      max-width: 720px;
      margin: 0 auto;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--color-text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--color-border);
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--color-text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      background: #ffffff;
      border-color: #8b5cf6;
      box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
    }

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

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-card.open {
      border-color: #a78bfa;
      box-shadow: 0 6px 20px rgba(139, 92, 246, 0.1);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--color-text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: #8b5cf6;
      transition: transform 0.25s ease;
    }

    .faq-card.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px 22px;
      font-size: 0.95rem;
      color: var(--color-text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      padding-top: 14px;
    }

    .faq-card.open .faq-answer {
      display: block;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar-text {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--iridescent-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .review-user-name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-text-main);
    }

    .review-user-role {
      font-size: 0.82rem;
      color: var(--color-text-light);
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--color-text-muted);
      line-height: 1.65;
      margin-bottom: 14px;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 0.88rem;
    }

    .article-links-wrap {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 800px;
      margin: 0 auto;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 10px;
      transition: all 0.2s ease;
    }

    .article-link-item:hover {
      border-color: #8b5cf6;
      transform: translateX(4px);
    }

    .article-title-text {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--color-text-main);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #6366f1;
      font-size: 1.1rem;
    }

    .qr-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 24px;
      text-align: center;
      box-shadow: var(--card-shadow);
      max-width: 260px;
      margin: 0 auto;
    }

    .qr-img-box {
      width: 180px;
      height: 180px;
      margin: 0 auto 14px auto;
      background: #f8fafc;
      border: 1px dashed var(--color-border);
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .agent-banner {
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.06), rgba(139, 92, 246, 0.08), rgba(59, 130, 246, 0.06));
      border: 1px solid rgba(139, 92, 246, 0.2);
      border-radius: 20px;
      padding: 40px;
      text-align: center;
      position: relative;
    }

    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 18px;
    }

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

    .footer-links-list a {
      color: #94a3b8;
    }

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

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

    .friend-links-flex a {
      color: #cbd5e1;
      background: #1e293b;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
    }

    .friend-links-flex a:hover {
      background: #334155;
      color: #ffffff;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      font-size: 0.82rem;
      color: #64748b;
    }

    .fixed-floating-box {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: 1px solid var(--color-border);
      transition: all 0.25s ease;
      color: #6366f1;
    }

    .floating-btn:hover {
      transform: scale(1.08);
      border-color: #8b5cf6;
    }

    @media (max-width: 992px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-flow-list {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--color-border);
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
      }
      .step-flow-list {
        grid-template-columns: 1fr;
      }
      .media-gallery-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }