/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #110505, #220505);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

/* 左上角更新日志链接样式 */
.top-left-link {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.top-left-a {
    color: #ff3333;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    padding: 8px 15px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 5px;
    transition: all 0.3s ease;
    display: inline-block;
}

.top-left-a:hover {
    background-color: rgba(255, 51, 51, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 51, 51, 0.3);
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}



/* 产品介绍区域样式 */
.product-intro {
    text-align: center;
    margin: 40px 0;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.section-title {
    font-size: 36px;
    color: #ff3333;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.section-subtitle {
    font-size: 16px;
    color: #999;
    margin-bottom: 30px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    width: 100%;
    max-width: 300px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 51, 51, 0.3);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.product-title {
    font-size: 20px;
    color: #fff;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 14px;
    color: #999;
}

/* 产品卡片链接样式 */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
    max-width: 300px;
}

/* 产品详情页面样式 */
.product-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.product-main {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 30px;
}

.product-image-large {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.detail-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.product-info {
    flex: 1;
    min-width: 300px;
    color: #fff;
}

.product-name-large {
    font-size: 28px;
    color: #ff3333;
    margin-bottom: 20px;
}

.product-description {
    font-size: 16px;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 30px;
}

.product-features h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 15px;
}

.product-features ul {
    list-style: none;
    padding: 0;
}

.product-features li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: #ccc;
}

.product-features li::before {
    content: '✓';
    color: #ff3333;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.download-action {
    margin-top: 30px;
}

.download-btn-large {
    background-color: #ff3333;
    color: #fff;
    border: none;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-btn-large:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 51, 51, 0.5);
}

.product-description-full {
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 30px;
    color: #fff;
}

.product-description-full h3 {
    font-size: 24px;
    color: #ff3333;
    margin-bottom: 20px;
}

.product-description-full p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #ccc;
}

/* 标题区域 */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
}

.title {
    font-size: 3rem;
    color: #e63946;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    margin-bottom: 10px;
    font-weight: bold;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 1.1rem;
    color: #cccccc;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 主内容区域 */
.main-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 40px;
    justify-content: center;
}

/* 角色图片区域 */
.character-section {
    flex: 0 0 280px;
}

.character-image {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
}

.character-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(230, 57, 70, 0.4);
}

/* 右侧内容区域 */
.content-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 卡片通用样式 */
.announcement-card,
.download-section {
    background: rgba(0, 0, 0, 0.7);
    border-radius: 0;
    padding: 20px;
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.8rem;
    color: #ffffff;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

/* 公告文本 */
.announcement-text {
    color: #cccccc;
    font-size: 1rem;
    line-height: 1.7;
    text-align: justify;
    padding: 10px;
    border-left: 3px solid #e63946;
}

/* 下载网格 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

/* 下载卡片 */
.download-card {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 0;
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.download-card:hover {
    transform: translateY(-3px);
    background: rgba(230, 57, 70, 0.15);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.product-name {
    font-size: 1rem;
    color: #e63946;
    font-weight: normal;
    text-shadow: none;
    margin: 0;
}

/* 下载按钮 */
.download-btn {
    background: #e63946;
    color: #ffffff;
    border: none;
    padding: 8px 25px;
    border-radius: 0;
    font-size: 0.9rem;
    font-weight: normal;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: none;
    text-transform: none;
    letter-spacing: normal;
}

.download-btn:hover {
    background: #c1121f;
    transform: none;
    box-shadow: none;
}

/* 更新日志链接样式 */
.update-log-link {
    display: inline-block;
    color: #ff3333;
    text-decoration: none;
    padding: 10px 20px;
    background-color: rgba(255, 51, 51, 0.1);
    border-radius: 5px;
    margin-top: 10px;
    transition: all 0.3s ease;
    font-weight: bold;
}

.update-log-link:hover {
    background-color: rgba(255, 51, 51, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 51, 51, 0.3);
}

/* 底部版权信息 */
.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
    border-top: none;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.copyright {
    color: #666666;
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.footer-links {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
}

.footer-link {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-link:hover {
    color: #e63946;
    text-decoration: underline;
}

/* 核心功能区域样式 */
.core-features {
    text-align: center;
    margin: 60px 0;
    padding: 40px 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto 0;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 51, 51, 0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(255, 51, 51, 0.3);
    background-color: rgba(255, 51, 51, 0.05);
}

.feature-icon {
    margin: 0 auto 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background-color: rgba(255, 51, 51, 0.1);
    border-radius: 50%;
}

.feature-title {
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 10px;
    font-weight: bold;
}

.feature-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.5;
}

/* 我们的承诺区域样式 */
.our-promise {
    text-align: center;
    margin: 60px 0;
    padding: 40px 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 40px auto 0;
}

.promise-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.promise-icon {
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.promise-card:hover .promise-icon {
    transform: scale(1.1);
}

.promise-title {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 10px;
    font-weight: bold;
}

.promise-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    max-width: 250px;
}

/* 右上角导航链接样式优化 */
.top-left-link {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 15px;
}

.top-left-a {
    color: #ff3333;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    padding: 8px 15px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 5px;
    transition: all 0.3s ease;
    display: inline-block;
}

.top-left-a:hover {
    background-color: rgba(255, 51, 51, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 51, 51, 0.3);
}

/* 响应式设计 - 保持与原图一致的布局，不进行大幅调整 */
@media (max-width: 1200px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
        align-items: center;
    }
    
    .character-section {
        flex: none;
        width: 280px;
        margin-bottom: 20px;
    }
    
    .content-section {
        width: 100%;
        max-width: 600px;
    }
    
    .download-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .container {
        padding: 15px;
    }
    
    .title {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .character-section {
        width: 220px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .announcement-card,
    .download-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .character-section {
        width: 200px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .download-btn {
        padding: 8px 25px;
        font-size: 0.9rem;
    }
}

/* 更新日志页面特定样式 */
.update-log-card {
    background: rgba(0, 0, 0, 0.7);
    border-radius: 0;
    padding: 20px;
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.update-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.update-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.update-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.update-version {
    font-size: 1.2rem;
    color: #e63946;
    font-weight: bold;
    margin: 0;
}

.update-date {
    font-size: 0.9rem;
    color: #666666;
}

.update-content {
    color: #cccccc;
    font-size: 0.95rem;
}

.update-content ul {
    list-style-type: none;
    padding-left: 20px;
}

.update-content li {
    position: relative;
    margin-bottom: 8px;
    line-height: 1.6;
}

.update-content li:before {
    content: "•";
    color: #e63946;
    position: absolute;
    left: -15px;
    font-weight: bold;
}

/* 更新日志响应式设计 */
@media (max-width: 768px) {
    .update-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .update-date {
        font-size: 0.85rem;
    }
    
    .update-content {
        font-size: 0.9rem;
    }
}

/* IDV-Cheatx-e 产品页面特定样式 */
#product-intro {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(180deg, rgba(10, 10, 10, 1) 0%, rgba(20, 20, 20, 0.9) 100%);
}

.product-main-title {
    font-size: 42px;
    color: #ff3333;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
}

.product-main-subtitle {
    font-size: 18px;
    color: #cccccc;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 功能实机效果演示样式 */
.demo-section {
    margin-top: 60px;
}

.demo-title {
    font-size: 28px;
    color: #ffffff;
    margin-bottom: 40px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 图片滑块样式 */
.image-slider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.slider-navigation {
    padding: 0 20px;
}

.prev-btn, .next-btn {
    background: rgba(255, 51, 51, 0.8);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.prev-btn:hover, .next-btn:hover {
    background: rgba(255, 51, 51, 1);
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 51, 51, 0.5);
}

.slides-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    border: 2px solid rgba(255, 51, 51, 0.2);
}

.slide {
    display: none;
    position: relative;
    width: 100%;
    transition: all 0.5s ease;
}

.slide.active {
    display: block;
}

.slider-content {
    position: relative;
}

.slider-image {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
    overflow: hidden;
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.slider-image:hover .slider-img {
    transform: scale(1.05);
}

.slider-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 25px;
    z-index: 5;
}

.play-button {
    width: 70px;
    height: 70px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid #ff3333;
}

.play-button:hover {
    background: rgba(255, 51, 51, 0.9);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 51, 51, 0.7);
}

.play-icon {
    color: white;
    font-size: 32px;
    margin-left: 5px;
}

.slide-indicator {
    color: white;
    background: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.slide-indicator.active {
    background: rgba(255, 51, 51, 0.8);
    border-color: #ff3333;
}

/* 核心功能区域增强样式 */
#core-features {
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(20, 20, 20, 0.9) 0%, rgba(10, 10, 10, 1) 100%);
    text-align: center;
}

#core-features .section-title {
    font-size: 36px;
    color: #ffffff;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 4px;
    position: relative;
    padding-bottom: 25px;
}

#core-features .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #ff3333, transparent);
}

#core-features .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

#core-features .feature-card {
    background: linear-gradient(180deg, rgba(30, 30, 30, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
    padding: 40px 25px;
    border-radius: 15px;
    border: 2px solid rgba(255, 51, 51, 0.3);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

#core-features .feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 51, 51, 0.1), transparent);
    transform: rotate(45deg);
    transition: opacity 0.5s ease;
    opacity: 0;
}

#core-features .feature-card:hover::before {
    opacity: 1;
    animation: shine 2s ease-in-out;
}

@keyframes shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

#core-features .feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(255, 51, 51, 0.3);
    border-color: #ff3333;
}

#core-features .feature-icon {
    margin-bottom: 30px;
    transform: scale(1);
    transition: transform 0.3s ease;
}

#core-features .feature-card:hover .feature-icon {
    transform: scale(1.1);
}

#core-features .feature-title {
    font-size: 22px;
    color: #ffffff;
    margin: 0;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 我们的承诺区域增强样式 */
#our-promise {
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(10, 10, 10, 1) 0%, rgba(20, 20, 20, 0.9) 100%);
    text-align: center;
}

#our-promise .section-title {
    font-size: 36px;
    color: #ffffff;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 4px;
    position: relative;
    padding-bottom: 25px;
}

#our-promise .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #ff3333, transparent);
}

#our-promise .promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

#our-promise .promise-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 30px;
    background: linear-gradient(180deg, rgba(30, 30, 30, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
    border-radius: 15px;
    transition: all 0.4s ease;
    border: 2px solid rgba(255, 51, 51, 0.2);
}

#our-promise .promise-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: #ff3333;
}

#our-promise .promise-icon {
    margin-bottom: 30px;
    transition: transform 0.4s ease;
}

#our-promise .promise-card:hover .promise-icon {
    transform: scale(1.1) rotate(5deg);
}

#our-promise .promise-title {
    font-size: 28px;
    color: #ff3333;
    margin-bottom: 20px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#our-promise .promise-desc {
    color: #cccccc;
    font-size: 18px;
    line-height: 1.7;
    margin: 0;
    max-width: 300px;
}

/* 底部操作按钮样式 */
.action-buttons {
    padding: 60px 20px;
    text-align: center;
    background: rgba(10, 10, 10, 1);
    border-top: 1px solid rgba(255, 51, 51, 0.3);
}

.action-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.action-btn {
    padding: 18px 40px;
    font-size: 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.action-btn:hover::before {
    left: 100%;
}

.action-btn.primary {
    background: #ff3333;
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(255, 51, 51, 0.3);
}

.action-btn.primary:hover {
    background: #cc0000;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 15px 30px rgba(255, 51, 51, 0.5);
}

.action-btn.secondary {
    background: transparent;
    color: #ff3333;
    border: 3px solid #ff3333;
}

.action-btn.secondary:hover {
    background: #ff3333;
    color: white;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 15px 30px rgba(255, 51, 51, 0.3);
}

.action-btn.tertiary {
    background: transparent;
    color: #cccccc;
    border: 2px solid #666666;
}

.action-btn.tertiary:hover {
    background: #666666;
    color: white;
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 - 产品页面特定 */
@media (max-width: 1200px) {
    .product-main-title {
        font-size: 36px;
    }
    
    #core-features .features-grid,
    #our-promise .promise-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 992px) {
    .image-slider {
        flex-direction: column;
        gap: 20px;
    }
    
    .slider-navigation {
        padding: 0;
    }
    
    .prev-btn, .next-btn {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .prev-btn {
        left: 20px;
    }
    
    .next-btn {
        right: 20px;
    }
    
    .action-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .action-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    #product-intro {
        padding: 40px 15px;
    }
    
    .product-main-title {
        font-size: 28px;
        letter-spacing: 2px;
    }
    
    .product-main-subtitle {
        font-size: 16px;
    }
    
    .demo-title {
        font-size: 24px;
    }
    
    .play-button {
        width: 60px;
        height: 60px;
    }
    
    .play-icon {
        font-size: 24px;
    }
    
    .slide-indicator {
        font-size: 14px;
        padding: 8px 16px;
    }
    
    #core-features,
    #our-promise {
        padding: 60px 15px;
    }
    
    #core-features .section-title,
    #our-promise .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    #core-features .feature-card,
    #our-promise .promise-card {
        padding: 30px 20px;
    }
    
    #our-promise .promise-title {
        font-size: 24px;
    }
    
    #our-promise .promise-desc {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .product-main-title {
        font-size: 24px;
        letter-spacing: 1px;
    }
    
    .prev-btn, .next-btn {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
    
    .slider-controls {
        flex-direction: column;
        gap: 15px;
        bottom: 20px;
    }
    
    #core-features .section-title,
    #our-promise .section-title {
        font-size: 24px;
    }
    
    .action-btn {
        padding: 15px 30px;
        font-size: 18px;
    }
}