* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #f0f6ff 0%, #e6f0ff 100%);
    padding-top: 75px; /* 为固定导航栏腾出空间 */
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.header-container {
    max-width: 1260px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 30px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    margin-right: 10px;
    object-fit: cover;
    border-radius: 0;
}

.logo span {
    font-weight: bold;
    font-size: 16px;
    color: #333;
}

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

.nav-links {
    display: flex;
    list-style: none;
    margin-right: 52px;
}

.nav-links li {
    margin-left: 40px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 16px;
}

.contact-btn {
    background-color: #0066cc;
    color: white;
    padding: 8px 30px;
    border-radius: 50px;
    border: none;
    font-weight: normal;
    font-size: 16px;
    cursor: pointer;
}

.main-container,
.white-card {
    max-width: 1150px;
    margin: 40px auto;
    padding: 30px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.main-container {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    position: relative;
}

.content {
    padding-right: 30px;
    display: flex;
    flex-direction: column;
}

.product-logo {
    width: 80px;
    margin-bottom: 20px;
}

.title {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.8em;
    margin-bottom: 30px;
}

.promo-text {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 30px;
}

.action-buttons {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.primary-btn {
    background-color: #0066cc;
    color: white;
    padding: 15px 70px;
    border-radius: 5px;
    border: none;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    margin-right: 20px;
}

.video-link {
    display: flex;
    align-items: center;
    color: #333;
    text-decoration: none;
    font-weight: bold;
}

.video-link .icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.version-info {
    color: #666;
    font-size: 0.9em;
}

.image-container {
    display: flex;
    align-items: stretch;
    position: relative;
    padding-left: 15px;
    overflow: hidden;
}

.product-image {
    width: 514.8px;
    height: 575.6px;
    border-radius: 10px;
    object-fit: cover;
}

.brand-footer {
    display: flex;
    align-items: center;
    margin-top: 30px;
}

.brand-logo {
    height: 40px;
    margin-right: 15px;
    max-width: 120px;
    object-fit: contain;
}

.footer {
    text-align: center;
    margin-top: 40px;
    width: 100%;
}

.product-intro-section {
    margin: 0px auto;
    padding: 40px;
    background-color: #fff;
    border-radius: 0;
    box-shadow: none;
    text-align: center;
    margin-bottom: 0;
    width: 100%;
}

.product-intro-section .container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-intro-section .logo {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    object-fit: contain;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.product-intro-section h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
}

.product-intro-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

.product-intro-section .btn {
    background-color: #0066cc;
    color: white;
    padding: 12px 40px;
    border-radius: 30px;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.product-intro-section .btn:hover {
    background-color: #0055aa;
}

.footer .rainbow-bar {
    margin-top: 0;
}

.rainbow-bar {
    height: 5px;
    width: 100%;
    background: linear-gradient(to right, #ff6b00, #ffcc00, #1c8e22, #0066cc, #6633ff);
    margin: 40px 0 0 0;
}

.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 0;
    background-color: #f8f8f8;
    flex-wrap: wrap;
}

.footer-nav-item {
    display: flex;
    align-items: center;
    margin: 0 15px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
}

.footer-nav-icon {
    width: 24px;
    height: 24px;
    background-color: #e0e0e0;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 5px;
    font-size: 12px;
    font-weight: bold;
}

.footer-info {
    padding: 15px 0;
    background-color: #f8f8f8;
    font-size: 14px;
    color: #666;
}

.customer-service,
.copyright {
    margin: 5px 0;
}

.product-section {
    max-width: 1150px;
    margin: 60px auto;
    padding: 0;
}

.white-card {
    margin: 0;
    text-align: center;
    padding: 40px 30px;
}

.section-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    font-weight: bold;
}

.section-description {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
    text-align: center;
}

.highlight-text {
    font-size: 18px;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
}

.gifts-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    margin-left: auto;
    margin-right: auto;
}

.gift-card {
    width: 240px;
    height: 170px;
    border-radius: 10px;
    padding: 20px;
    text-align: left;
    position: relative;
}

.gift-card.purple {
    background-color: #f8f0ff;
    border: 1px solid #e066ff;
    margin-top: 50px;
}

.gift-card.orange {
    background-color: #fff8f0;
    border: 1px solid #ffcc00;
}

.gift-card.blue {
    background-color: #f0f8ff;
    border: 1px solid #3366ff;
    margin-top: 50px;
}

.gift-card.pink {
    background-color: #fff0f5;
    border: 1px solid #ff9900;
}

.gift-icon {
    position: absolute;
    top: 20px;
    left: 20px;
}

.icon-edu {
    width: 30px;
    height: 30px;
    background-color: #e066ff;
    border: 2px dashed #9966cc;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-edu-inner {
    width: 25px;
    height: 25px;
    background-color: #9966cc;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-plugin {
    width: 30px;
    height: 30px;
    background-color: #ffcc00;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-plugin-dot {
    width: 20px;
    height: 20px;
    background-color: #ff9900;
    position: absolute;
    top: -5px;
    left: -5px;
}

.icon-gallery {
    display: flex;
    flex-direction: column;
}

.icon-gallery-bar1 {
    width: 20px;
    height: 10px;
    background-color: #6633ff;
    margin-bottom: 2px;
}

.icon-gallery-bar2 {
    width: 30px;
    height: 10px;
    background-color: #3366ff;
    margin-bottom: 2px;
}

.icon-gallery-bar3 {
    width: 15px;
    height: 10px;
    background-color: #33ccff;
}

.icon-font {
    width: 30px;
    height: 30px;
    background-color: #ff6699;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-font-dot {
    width: 15px;
    height: 15px;
    background-color: #ffcc00;
    position: absolute;
    top: -5px;
    right: -5px;
}

.gift-title {
    font-size: 18px;
    margin-top: 40px;
}

.gift-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-top: 10px;
}

.icon-text {
    color: white;
    font-size: 14px;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 34px;
    margin-top: 50px;
}

.product-card {
    width: 100%;
    max-width: 300px;
    height: auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    padding: 30px 25px;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.3s, box-shadow 0.3s;
    box-sizing: border-box;
    justify-self: center;
}

.product-card:first-child {
    margin-left: 0;
}

.product-card:last-child {
    margin-right: 0;
}

.card-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
    align-self: flex-start;
}

.card-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    width: 100%;
    white-space: nowrap;
    overflow: visible;
}

.version-highlight {
    color: #ff0000;
    display: inline-block;
    font-size: 18px;
}

.card-features,
.card-compatibility {
    color: #666;
    margin-bottom: 10px;
    font-size: 14px;
    width: 100%;
    white-space: nowrap;
    overflow: visible;
}

.card-price {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 15px 0;
    width: 100%;
}

.download-btn {
    background-color: #0066cc;
    color: white;
    padding: 8px 30px;
    border-radius: 5px;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 15px;
    align-self: flex-start;
}

.download-btn:hover {
    background-color: #0055aa;
}

@media (max-width: 768px) {
    .header {
        padding: 15px 0;
    }

    .header-container {
        flex-direction: column;
        padding: 0 15px;
    }

    .logo {
        margin-bottom: 15px;
    }

    .nav-right {
        flex-direction: column;
        width: 100%;
    }

    .nav-links {
        margin: 15px 0;
        flex-wrap: wrap;
        justify-content: center;
        margin-right: 0;
    }

    .nav-links li {
        margin: 5px 10px;
    }

    .main-container,
    .white-card {
        width: 95%;
        padding: 20px 15px;
    }

    .main-container {
        flex-direction: column;
    }

    .content,
    .image-container {
        width: 100%;
        padding-right: 0;
        padding-left: 0;
    }

    .image-container {
        height: 300px;
        margin-top: 30px;
    }

    .product-section {
        width: 95%;
        padding: 0;
    }

    .white-card {
        padding: 25px 15px;
    }

    .section-description,
    .highlight-text {
        text-align: left;
    }

    .product-cards {
        grid-template-columns: 1fr;
        grid-gap: 20px;
    }

    .product-card {
        width: 100%;
        max-width: 300px;
        height: auto;
    }
}

.testimonials-section {
    margin-top: 60px;
}

.testimonials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.testimonial-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    width: 300px;
    height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.swiper {
    width: 100%;
    height: 400px;
    margin-top: 40px;
    background-color: white;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
    margin-bottom: 20px;
}

.user-info {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: bold;
    margin: 0;
    font-size: 16px;
}

.user-title {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.faq-section {
    max-width: 1150px;
    margin: 60px auto;
    padding: 0 30px;
    background-color: #fff;
    border-radius: 15px;
    padding: 40px 30px;
}

.faq-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    font-weight: bold;
    text-align: center;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.faq-question {
    background-color: white;
    color: #333;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question.active {
    background-color: #0066cc;
    color: white;
}

.faq-answer {
    background-color: white;
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: #555;
    display: none;
}

.faq-answer.active {
    display: block;
}

.faq-toggle {
    width: 24px;
    height: 24px;
    background-color: rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    color: #0066cc;
}

.faq-question.active .faq-toggle {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 视频弹框样式 - 覆盖head中的内联样式，确保样式正确应用 */
.video-modal {
    display: none;
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9999 !important; /* 确保比其他元素的z-index高 */
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.video-modal-content {
    position: relative;
    width: 80%;
    max-width: 800px;
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
}

.close-video {
    position: absolute;
    right: 15px;
    top: 15px;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 10000;
    background-color: rgba(0, 0, 0, 0.5);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.close-video:hover {
    background-color: rgba(255, 0, 0, 0.7);
    transform: scale(1.1);
}

.video-container {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9宽高比 */
    position: relative;
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}