/* 基础样式 */
:root {
    --primary-blue: #1a3e8c;
    --primary-red: #e63946;
    --dark-blue: #1d3557;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* 导航栏样式 (国际化优化) */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    min-height: 70px;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    flex-wrap: nowrap;
    overflow: hidden;
    width: 100%;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.logo a {
    text-decoration: none;
}

.logo-lotto {
    color: var(--primary-blue);
}

.logo-bridge {
    color: var(--primary-red);
}

#mainNav {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 8px;
    min-width: 0;
    overflow: hidden;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    justify-content: center;
    min-width: 0;
}

.nav-links li {
    flex-shrink: 0;
    min-width: 0;
}

.nav-links a {
    color: var(--dark-blue);
    font-weight: 500;
    text-decoration: none;
    position: relative;
    padding: 5px 5px;
    white-space: nowrap;
    font-size: 11px;
    border-radius: 4px;
    transition: var(--transition);
    display: block;
    text-align: center;
    min-width: 0;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
}

.nav-links a:hover {
    background-color: rgba(26, 62, 140, 0.1);
    color: var(--primary-blue);
}

.nav-links a.active {
    background-color: var(--primary-blue);
    color: var(--white);
}

.nav-links a::after {
    display: none;
}

.language-selector {
    flex-shrink: 0;
    position: relative;
}

.language-selector select {
    padding: 6px 12px;
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    background: var(--white);
    font-size: 11px;
    color: var(--dark-blue);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23666" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 10px;
    padding-right: 28px;
    min-width: 80px;
}

.language-selector select:hover {
    border-color: var(--primary-red);
    box-shadow: 0 2px 8px rgba(26, 62, 140, 0.15);
}

.language-selector select:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

/* 强制单行导航 */
.header-container {
    flex-wrap: nowrap !important;
}

.nav-links {
    flex-wrap: nowrap !important;
}

/* 响应式设计 */
@media (max-width: 1400px) {
    .container {
        max-width: 100%;
        padding: 0 8px;
    }
    
    .nav-links {
        gap: 3px;
    }
    
    .nav-links a {
        padding: 4px 3px;
        font-size: 10px;
        max-width: 85px;
    }
    
    #mainNav {
        margin: 0 4px;
    }
    
    .language-selector select {
        min-width: 60px;
        font-size: 10px;
        padding: 4px 6px;
        padding-right: 18px;
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 0 6px;
    }
    
    .nav-links {
        gap: 2px;
    }
    
    .nav-links a {
        padding: 3px 3px;
        font-size: 9px;
        max-width: 70px;
    }
    
    #mainNav {
        margin: 0 3px;
    }
    
    .language-selector select {
        min-width: 55px;
        font-size: 9px;
        padding: 3px 6px;
        padding-right: 16px;
    }
}

@media (max-width: 992px) {
    .header-container {
        flex-wrap: nowrap !important;
    }
    
    #mainNav {
        flex: 1;
        min-width: 0;
        overflow: hidden;
    }
    
    .nav-links {
        gap: 3px;
        flex-wrap: nowrap !important;
    }
    
    .nav-links a {
        padding: 4px 4px;
        font-size: 10px;
        min-width: 0;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .language-selector {
        flex-shrink: 0;
    }
    
    .language-selector select {
        min-width: 60px;
        font-size: 10px;
        padding: 4px 8px;
        padding-right: 20px;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: nowrap !important;
        min-height: 70px;
        padding: 0;
    }
    
    .logo {
        font-size: 18px;
        flex-shrink: 0;
    }
    
    #mainNav {
        flex: 1;
        margin: 0 5px;
        min-width: 0;
        overflow: hidden;
    }
    
    .nav-links {
        justify-content: center;
        flex-wrap: nowrap !important;
        gap: 2px;
    }
    
    .nav-links a {
        padding: 3px 3px;
        font-size: 9px;
        max-width: 60px;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .language-selector {
        flex-shrink: 0;
    }
    
    .language-selector select {
        min-width: 50px;
        font-size: 9px;
        padding: 3px 6px;
        padding-right: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 5px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    #mainNav {
        margin: 0 3px;
    }
    
    .nav-links {
        gap: 1px;
    }
    
    .nav-links a {
        padding: 2px 2px;
        font-size: 8px;
        max-width: 45px;
    }
    
    .language-selector select {
        min-width: 40px;
        font-size: 8px;
        padding: 2px 4px;
        padding-right: 15px;
    }
}

/* 合作伙伴占位符样式 */
.partner-logo-placeholder {
    width: 150px;
    height: 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #dee2e6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: #6c757d;
    text-align: center;
    padding: 8px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.partner-logo-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.partner-logo-placeholder:hover::before {
    left: 100%;
}

.partner-logo-placeholder:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(26, 62, 140, 0.15);
    transform: translateY(-2px);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.partner-card {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 数字彩票系统页面样式 */
/* 产品页面Hero区域 */
.product-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--white) 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: 350px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    min-width: 160px;
}

.btn-primary {
    background: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.btn-primary:hover {
    background: #d63447;
    border-color: #d63447;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 16px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-red));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--medium-gray);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* 游戏类型区块 */
.game-types-section {
    padding: 100px 0;
    background: var(--light-gray);
}

.game-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.game-type-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.game-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-red));
}

.game-type-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.game-icon {
    margin-bottom: 24px;
}

.game-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 16px;
}

.game-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.game-examples {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.example-tag {
    background: rgba(26, 62, 140, 0.1);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 系统功能区块 */
.system-features-section {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 40px 30px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(26, 62, 140, 0.15);
    transform: translateY(-8px);
}

.feature-icon {
    margin-bottom: 24px;
}

/* 图标容器样式 */
.icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.05));
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.icon-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-red));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .icon-container::before {
    opacity: 1;
}

.feature-card:hover .icon-container {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.08));
    transform: scale(1.05);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 16px;
}

.feature-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 10px 0;
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-list li:first-child {
    padding-top: 0;
}

.feature-list li:last-child {
    padding-bottom: 0;
}

/* 部署模式区块 */
.deployment-section {
    padding: 100px 0;
    background: var(--light-gray);
}

.deployment-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
    margin-bottom: 80px;
}

.deployment-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.deployment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.deployment-icon {
    margin-bottom: 24px;
}

.deployment-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 16px;
}

.deployment-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 24px;
}

.deployment-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.deployment-features li {
    padding: 8px 0;
    color: var(--medium-gray);
    position: relative;
    padding-left: 24px;
}

.deployment-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: bold;
}

.compatibility-section {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.compatibility-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 30px;
    text-align: center;
}

.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.compatibility-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.compatibility-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.compatibility-item li {
    padding: 6px 0;
    color: var(--medium-gray);
    position: relative;
    padding-left: 20px;
}

.compatibility-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* 合规认证区块 */
.compliance-section {
    padding: 100px 0;
    background: var(--white);
}

.compliance-content {
    margin-top: 60px;
}

.certifications {
    margin-bottom: 80px;
}

.certifications-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 40px;
    text-align: center;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.certification-card {
    background: var(--light-gray);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.certification-card:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.certification-logo {
    flex-shrink: 0;
}

.certification-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 8px;
}

.certification-info p {
    color: var(--medium-gray);
    line-height: 1.5;
    margin: 0;
}

.regulatory-compliance {
    background: var(--light-gray);
    border-radius: 16px;
    padding: 40px;
}

.compliance-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 30px;
    text-align: center;
}

.compliance-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.compliance-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.compliance-feature .feature-icon {
    flex-shrink: 0;
    margin-bottom: 0;
}

.compliance-feature h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.compliance-feature p {
    color: var(--medium-gray);
    line-height: 1.5;
    margin: 0;
}

/* 案例场景区块 */
.case-scenarios-section {
    padding: 100px 0;
    background: var(--light-gray);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
    margin-bottom: 80px;
}

.scenario-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.scenario-flag {
    margin-bottom: 24px;
    text-align: center;
}

.scenario-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 16px;
    text-align: center;
}

.scenario-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 24px;
    text-align: center;
}

.scenario-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.highlight-label {
    color: var(--medium-gray);
    font-weight: 500;
}

.highlight-value {
    color: var(--primary-blue);
    font-weight: 600;
}

.local-deployment {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.deployment-process-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 40px;
    text-align: center;
}

.deployment-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-red));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--medium-gray);
    line-height: 1.5;
    margin: 0;
}

/* CTA区块 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.footer-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* 图片占位符样式 */
.image-placeholder {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: #6c757d;
    text-align: center;
    padding: 20px;
    min-height: 80px;
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(26, 62, 140, 0.05) 0%, rgba(26, 62, 140, 0.1) 100%);
}

.placeholder-text {
    display: block;
    line-height: 1.4;
}

/* 导航栏样式更新 */
.nav {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    min-height: 70px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand {
    flex-shrink: 0;
}

.brand-link {
    text-decoration: none;
}

.brand-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--dark-blue);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(26, 62, 140, 0.1);
    color: var(--primary-blue);
}

.nav-actions {
    flex-shrink: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid,
    .deployment-modes,
    .scenarios-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .game-types-grid,
    .features-grid,
    .deployment-modes,
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .btn {
        min-width: 140px;
        padding: 12px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-actions,
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
}