* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
  }
  
  main {
    width: 100%;
    overflow-x: hidden;
  }
  
  section {
    width: 100%;
    padding: 80px 0;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .hero {
    background: linear-gradient(to right bottom, rgb(6, 182, 212), rgb(59, 130, 246), rgb(79, 70, 229));
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
  }
  
  .hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
  }
  
  .hero-content {
    flex: 1;
    max-width: 600px;
  }
  
  .hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 20px;
  }
  
  .hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
    line-height: 1.2;
  }
  
  .hero-features {
    list-style: none;
    margin-bottom: 32px;
  }
  
  .hero-features li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
  }
  
  .hero-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffd700'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
  }
  
  .hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
  }
  
  .btn-download {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 214px;
    height: 56px;
  }
  
  .btn-download-windows {
    background: #fff;
    color: rgb(8, 145, 178);
  }
  
  .btn-download-windows:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }
  
  .btn-download-mac {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
  }
  
  .btn-download-mac:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
  }
  
  .btn-icon {
    width: 24px;
    height: 24px;
  }
  
  .btn-text {
    display: flex;
    flex-direction: column;
  }
  
  .btn-label {
    font-size: 16px;
    font-weight: 700;
  }
  
  .btn-version {
    font-size: 12px;
    opacity: 0.8;
  }
  
  .hero-security {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
  }
  
  .hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }
  
  .hero-computer {
    position: relative;
    width: 000px;
    height: 300px;
  }
  
  .computer-screen {
    width: 280px;
    height: 180px;
    background: linear-gradient(180deg, #1a3a4a 0%, #0d2535 100%);
    border-radius: 12px;
    border: 8px solid #2a2a2a;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .computer-stand {
    width: 60px;
    height: 40px;
    background: #4a4a4a;
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    clip-path: polygon(20% 0%, 80% 0%, 100% 100%, 0% 100%);
  }
  
  .computer-base {
    width: 120px;
    height: 10px;
    background: #4a4a4a;
    border-radius: 5px;
    position: absolute;
    left: 50%;
    bottom: 15px;
    transform: translateX(-50%);
  }
  
  .screen-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
  }
  
  .screen-icon img {
    width: 32px;
    height: 32px;
  }
  
  .screen-text {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
  }
  
  .floating-icon {
    position: absolute;
    width: 60px;
    height: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
  }
  
  .floating-icon img {
    width: 50px;
    height: 50px;
    margin-bottom: 4px;
  }
  
  .floating-icon span {
    font-size: 10px;
    color: #fff;
    font-weight: 500;
  }
  
  .icon-sd {
    left: 10px;
    top: 60px;
    animation-delay: 0s;
  }
  
  .icon-usb {
    right: 20px;
    top: 30px;
    animation-delay: 0.5s;
  }
  
  .icon-ssd {
    right: 10px;
    top: 100px;
    animation-delay: 1s;
  }
  
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }
  
  .section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    color: #1a1a2e;
    margin-bottom: 16px;
  }
  
  .section-subtitle {
    font-size: 16px;
    text-align: center;
    color: #666;
    max-width: 800px;
    margin: 0 auto 48px;
    line-height: 1.6;
  }
  
  .scenarios {
    background: #f8f9fa;
    padding: 80px 0;
  }
  
  .scenarios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .scenario-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
  }
  
  .scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
  }
  
  .scenario-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
  }
  
  .scenario-icon img {
    width: 32px;
    height: 32px;
  }
  
  .scenario-card:nth-child(1) .scenario-icon { background: #ffebee; }
  .scenario-card:nth-child(2) .scenario-icon { background: #e3f2fd; }
  .scenario-card:nth-child(3) .scenario-icon { background: #f3e5f5; }
  .scenario-card:nth-child(4) .scenario-icon { background: #e8f5e9; }
  .scenario-card:nth-child(5) .scenario-icon { background: #fff3e0; }
  .scenario-card:nth-child(6) .scenario-icon { background: #e0f7fa; }
  .scenario-card:nth-child(7) .scenario-icon { background: #e8eaf6; }
  .scenario-card:nth-child(8) .scenario-icon { background: #fce4ec; }
  
  .scenario-title {
    font-size: 14px;
    font-weight: 600;
    color: #555;
  }
  
  .devices {
    background: #fff;
    padding: 80px 0;
  }
  
  .devices-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
  }
  
  .device-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  
  .device-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
  }
  
  .device-icon:hover {
    transform: scale(1.1);
  }
  
  .device-icon img {
    width: 32px;
    height: 32px;
  }
  
  .device-item:nth-child(1) .device-icon { background: #2196f3; }
  .device-item:nth-child(2) .device-icon { background: #9c27b0; }
  .device-item:nth-child(3) .device-icon { background: #4caf50; }
  .device-item:nth-child(4) .device-icon { background: #ff9800; }
  .device-item:nth-child(5) .device-icon { background: #e91e63; }
  .device-item:nth-child(6) .device-icon { background: #00bcd4; }
  
  .device-name {
    font-size: 14px;
    color: #666;
    font-weight: 500;
  }
  
  .file-types {
    background: #f8f9fa;
    padding: 80px 0;
  }
  
  .file-types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .file-type-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
  }
  
  .file-type-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  
  .file-type-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }
  
  .file-type-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .file-type-icon img {
    width: 28px;
    height: 28px;
  }
  
  .file-type-card:nth-child(1) .file-type-icon { background: #fce4ec; }
  .file-type-card:nth-child(2) .file-type-icon { background: #e3f2fd; }
  .file-type-card:nth-child(3) .file-type-icon { background: #f3e5f5; }
  .file-type-card:nth-child(4) .file-type-icon { background: #fff3e0; }
  .file-type-card:nth-child(5) .file-type-icon { background: #e8f5e9; }
  .file-type-card:nth-child(6) .file-type-icon { background: #eceff1; }
  
  .file-type-name {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
  }
  
  .file-type-formats {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
  }
  
  .features {
    background: #fff;
    padding: 80px 0;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  .feature-card {
    text-align: center;
    padding: 32px 24px;
  }
  
  .feature-icon {
    width: 192px;
    height: 128px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: linear-gradient(to right bottom, rgb(207, 250, 254), rgb(219, 234, 254));
  }
  
  .feature-icon img {
    width: 64px;
    height: 64px;
  }
  
  .feature-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 12px;
  }
  
  .feature-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
  }
  
  .tech-spec {
    background: #f8f9fa;
    padding: 80px 0;
  }
  
  .tech-spec-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
  }
  
  .tech-spec-column h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .tech-spec-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgb(207, 250, 254);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .tech-spec-icon-box img {
    width: 20px;
    height: 20px;
  }
  
  .tech-spec-column ul {
    list-style: none;
  }
  
  .tech-spec-column li {
    font-size: 14px;
    color: #555;
    margin-bottom: 10px;
    padding-left: 16px;
    position: relative;
  }
  
  .tech-spec-column li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: #00c6cc;
    border-radius: 50%;
  }
  
  .testimonials {
    background: #fff;
    padding: 80px 0;
  }
  
  .testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
  }
  
  .testimonial-track {
    position: relative;
  }
  
  .testimonial-card {
    background: linear-gradient(135deg, #e0f7fa 0%, #e8eaf6 100%);
    border-radius: 24px;
    padding: 40px;
    display: flex;
    align-items: flex-start;
    gap: 24px;
  }
  
  .testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 4px solid #2BB3F1;
  }
  
  .testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .testimonial-content {
    flex: 1;
  }
  
  .testimonial-text {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
  }
  
  .testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
  }
  
  .testimonial-rating img {
    width: 18px;
    height: 18px;
  }
  
  .testimonial-name {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
  }
  
  .testimonial-role {
    font-size: 13px;
    color: #888;
  }
  
  .testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
  }
  
  .testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .testimonial-dot.active {
    width: 24px;
    background: #00c6cc;
  }
  
  .testimonial-arrows {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    pointer-events: none;
  }
  
  .testimonial-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
  }
  
  .testimonial-arrow:hover {
    background: #f5f5f5;
  }
  
  .testimonial-arrow.prev {
    left: -70px;
  }
  
  .testimonial-arrow.next {
    right: -70px;
  }
  
  .testimonial-arrow img {
    width: 20px;
    height: 20px;
  }
  
  .media-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 48px;
    flex-wrap: wrap;
  }
  
  .media-logo {
    font-size: 16px;
    font-weight: 600;
    opacity: 0.6;
    transition: opacity 0.3s ease;
  }
  
  .media-logo:hover {
    opacity: 1;
  }
  
  .media-logo:nth-child(1) { color: #ff6b6b; }
  .media-logo:nth-child(2) { color: #4ecdc4; }
  .media-logo:nth-child(3) { color: #ff9f43; }
  .media-logo:nth-child(4) { color: #6c5ce7; }
  .media-logo:nth-child(5) { color: #00b894; }
  .media-logo:nth-child(6) { color: #0984e3; }
  
  .articles-section {
    background: #fff;
    padding: 80px 0;
}

.articles-slider {
    position: relative;
}

.articles-swiper {
    padding: 20px 0;
}

.article-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.article-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #ff6b9d;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.article-date {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgb(107 226 255);
    color: #333;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
}

.article-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    padding: 20px 20px 10px;
    line-height: 1.4;
}

.article-link {
    display: inline-block;
    padding: 0 20px 20px;
    color: #ff6b9d;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.article-link:hover {
    color: #c44569;
}

.articles-prev,
.articles-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.articles-prev:hover,
.articles-next:hover {
    background: #ff6b9d;
    color: #fff;
}

.articles-prev {
    left: -20px;
}

.articles-next {
    right: -20px;
}

.articles-prev::after,
.articles-next::after {
    font-family: 'swiper-icons';
    font-size: 14px;
    font-weight: 700;
}

.articles-prev::after {
    content: 'prev';
}

.articles-next::after {
    content: 'next';
}
  
  .faq {
    background: #fff;
    padding: 80px 0;
  }
  
  .faq-badge {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
  }
  
  .faq-badge span {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #e0f7fa;
    color: #00c6cc;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
  }
  
  .faq-badge img {
    width: 16px;
    height: 16px;
  }
  
  .faq-list {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
  }
  
  .faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: #444;
    text-align: left;
    transition: all 0.3s ease;
  }
  
  .faq-question:hover {
    background: #f8f9fa;
  }
  
  .faq-question img {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  
  .faq-item.active .faq-question img {
    transform: rotate(180deg);
  }
  
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .faq-item.active .faq-answer {
    max-height: 500px;
  }
  
  .faq-answer-content {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #666;
    line-height: 1.7;
  }
  
  .cta {
    background: linear-gradient(135deg, #00c6cc 0%, #0072ff 50%, #6b5ce7 100%);
    padding: 80px 0;
    text-align: center;
  }
  
  .cta-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
  }
  
  .cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
  }
  
  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
  }
  
  @media (max-width: 1024px) {
    .hero-container {
      flex-direction: column;
      text-align: center;
    }
    
    .hero-content {
      max-width: 100%;
    }
    
    .hero-features li {
      display: inline-block;
      margin: 0 12px 12px;
    }
    
    .hero-buttons {
      justify-content: center;
    }
    
    .hero-computer {
      width: 300px;
      height: 220px;
    }
    
    .computer-screen {
      width: 200px;
      height: 130px;
    }
    
    .scenarios-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .file-types-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
      grid-template-columns: repeat(1, 1fr);
    }
    
    .tech-spec-content {
      grid-template-columns: 1fr;
    }
    
    .testimonial-arrow.prev {
      left: 10px;
    }
    
    .testimonial-arrow.next {
      right: 10px;
    }
  }
  
  @media (max-width: 768px) {
    .hero-title {
      font-size: 32px;
    }
    
    .section-title {
      font-size: 28px;
    }
    
    .hero-buttons {
      flex-direction: column;
      align-items: center;
    }
    
    .btn-download {
      width: 100%;
      max-width: 280px;
      justify-content: center;
    }
    
    .scenarios-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    
    .scenario-card {
      padding: 24px 16px;
    }
    
    .devices-grid {
      gap: 24px;
    }
    
    .device-icon {
      width: 60px;
      height: 60px;
    }
    
    .file-types-grid {
      grid-template-columns: 1fr;
    }
    
    .testimonial-card {
      flex-direction: column;
      text-align: center;
      padding: 32px 24px;
    }
    
    .testimonial-avatar {
      margin: 0 auto;
    }
    
    .testimonial-rating {
      justify-content: center;
    }
    
    .media-logos {
      gap: 20px;
    }
    
    .cta-buttons {
      flex-direction: column;
      align-items: center;
    }
    
    .faq-question {
      padding: 16px 20px;
      font-size: 14px;
    }
  }
  
  @media (max-width: 480px) {
    .hero {
      padding: 60px 0 40px;
    }
    
    .hero-title {
      font-size: 28px;
    }
    
    section {
      padding: 60px 0;
    }
    
    .scenarios-grid {
      grid-template-columns: 1fr;
    }
    
    .devices-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    
    .device-icon {
      width: 50px;
      height: 50px;
    }
    
    .device-icon img {
      width: 32px;
      height: 32px;
    }
    
    .device-name {
      font-size: 12px;
    }
    
    .hero-computer {
      width: 240px;
      height: 180px;
    }
    
    .floating-icon {
      width: 50px;
      height: 60px;
    }
    
    .floating-icon img {
      width: 40px;
      height: 40px;
    }
  }