/* 全局样式 */
:root {
    /* 主色调 - 黑白简约风格 */
    --primary-color: #000000; /* 主色为黑色 */
    --secondary-color: #333333; /* 次要色为深灰色 */
    --accent-color: #165DFB; /* 强调色为蓝色 */
    --highlight-color: #165DFB; /* 高亮色为蓝色 */
    
    /* 中性色 */
    --dark-color: #000000;
    --text-color: #333333;
    --light-text: #666666;
    --bg-color: #ffffff;
    --light-bg: #f5f5f5;
    --border-color: #e0e0e0;
    
    /* 字体 */
    --body-font: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
    --heading-font: var(--body-font);
    
    /* 尺寸 */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 8px;
    --btn-radius: 4px;
    
    /* 过渡 */
    --transition: all 0.2s ease;
}

/* 深色模式变量 - TikTok风格 */
[data-theme="dark"] {
    --primary-color: #ffffff;
    --secondary-color: #f1f1f2;
    --accent-color: #fe2c55; /* TikTok红色 */
    --highlight-color: #25f4ee; /* TikTok青色 */
    
    --dark-color: #ffffff;
    --text-color: #f1f1f2;
    --light-text: #a8a8b3;
    --bg-color: #000000; /* TikTok深黑背景 */
    --light-bg: #161823; /* TikTok深灰背景 */
    --border-color: #2f2f2f;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.4;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul, ol {
    list-style: none;
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
    background: none;
}

/* 布局容器 */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--dark-color);
}

/* 段落样式 */
p {
    margin-bottom: 1rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 6px; /* 圆角矩形按钮 */
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: #0d47a1;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(44, 110, 203, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--dark-color);
    border: 2px solid var(--dark-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(44, 110, 203, 0.1);
}

.btn-light {
    background-color: white;
    color: var(--dark-color);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.9rem;
}

/* 头部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--dark-color);
}

.logo span {
    color: var(--accent-color);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.2s ease;
}

.nav-links a:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.2s ease;
}

/* 悬停时隐藏其他active状态的下划线 */
.nav-links:hover a.active:not(:hover)::after {
    opacity: 0;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* 主题切换按钮 */
.header-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background-color: var(--light-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.theme-toggle:hover {
    background-color: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* 首屏区域 */
.hero {
    position: relative;
    padding: 160px 0 100px;
    background: #ffffff;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

/* 透视网格背景 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(22, 93, 251, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 251, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(800px) rotateX(20deg);
    transform-origin: center top;
    z-index: 1;
}



/* 高亮文字样式 */
.highlight {
    color: var(--accent-color);
    font-weight: 700;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 24px;
    color: var(--dark-color);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-cta .btn {
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.hero-cta .btn-primary {
    background-color: var(--dark-color);
    color: white;
    border: none;
}

.hero-cta .btn-primary:hover {
    background-color: #0d47a1;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 110, 203, 0.2);
}

.hero-cta .btn-outline {
    background: transparent;
    color: var(--dark-color);
    border: 2px solid var(--border-color);
}

.hero-cta .btn-outline:hover {
    background-color: var(--light-bg);
    border-color: var(--dark-color);
    transform: translateY(-2px);
}

.hero-shape {
    display: none;
}

/* Hero区域响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 3rem;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 32px;
    }
    
    .hero-cta {
        gap: 16px;
    }
    
    .hero-cta .btn {
        padding: 14px 28px;
        font-size: 1rem;
    }
    

}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* 小屏幕网格背景调整 */
    .hero::before {
        background-size: 30px 30px;
    }
}

/* 通用部分样式 */
section {
    padding: 70px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--light-text);
}

/* 服务区域样式 */
.services {
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 5%;
    left: -5%;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(44, 110, 203, 0.05) 0%, rgba(44, 110, 203, 0.02) 50%, rgba(44, 110, 203, 0) 70%);
    z-index: 0;
}

/* 服务区域三列布局 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

/* 服务CTA */
.service-cta {
    text-align: center;
    margin-top: 32px;
}

/* FAQ部分 */
.faq-section {
    margin: 50px 0;
    text-align: center;
}

.faq-container {
    max-width: 1000px;
    margin: 30px auto;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    background-color: var(--light-bg);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--light-bg);
    transition: background-color 0.3s ease;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.faq-icon i {
    color: var(--accent-color);
    font-size: 14px;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
    text-align: left;
}

.faq-answer p {
    margin: 0;
    padding-bottom: 15px;
    color: var(--text-color);
    line-height: 1.4;
    text-align: left;
}

.faq-item.active .faq-question {
    background-color: rgba(var(--accent-color-rgb), 0.05);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    padding-top: 10px;
    opacity: 1;
}

.service-column {
    display: flex;
    flex-direction: column;
}

.service-card {
    background-color: var(--light-bg);
    border-radius: 12px;
    padding: 20px 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    border: 1px solid rgba(230, 233, 244, 0.8);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(44, 110, 203, 0.1);
    border-color: rgba(108, 99, 255, 0.2);
}

.service-card h3 {
    text-align: center;
    margin-bottom: 12px;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-color);
}

.service-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(44, 110, 203, 0.1) 0%, rgba(108, 99, 255, 0.1) 100%);
    border-radius: 14px;
    position: relative;
    transition: var(--transition);
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(44, 110, 203, 0.3), rgba(108, 99, 255, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.service-card:hover .service-icon {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(44, 110, 203, 0.15);
}

.service-icon i {
    font-size: 22px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 服务步骤样式 */
.service-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.service-step h4 {
    display: flex;
    align-items: center;
    margin-bottom: 3px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.service-step h4 i {
    color: var(--accent-color);
    margin-right: 8px;
    font-size: 14px;
}

.service-step p {
    padding-left: 22px;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 平台列表样式 */
.service-platforms-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.service-platform h4 {
    display: flex;
    align-items: center;
    margin-bottom: 3px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.service-platform h4 i {
    margin-right: 8px;
    color: var(--accent-color);
    font-size: 16px;
}

.service-platform p {
    padding-left: 24px;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 增值服务列表样式 */
.service-features-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.service-feature h4 {
    display: flex;
    align-items: center;
    margin-bottom: 3px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.service-feature h4 i {
    margin-right: 8px;
    color: var(--accent-color);
    font-size: 14px;
}

.service-feature p {
    padding-left: 22px;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 列内联系客服按钮 */
.service-column-cta {
    margin-top: 20px;
    text-align: center;
}

.service-cta, .cases-cta, .testimonials-cta {
    text-align: center;
    margin-top: 40px;
}

/* 案例区域样式 */
.cases {
    background: linear-gradient(180deg, var(--light-bg) 0%, rgba(245, 247, 255, 0.5) 100%);
    position: relative;
    overflow: hidden;
}

.cases::before {
    content: '';
    position: absolute;
    bottom: 10%;
    right: -5%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.05) 0%, rgba(108, 99, 255, 0.02) 50%, rgba(108, 99, 255, 0) 70%);
    z-index: 0;
}

.cases-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.filter-btn {
    padding: 10px 24px;
    background-color: transparent;
    border: none;
    border-radius: 30px;
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--light-bg);
    z-index: -1;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    color: white;
}

.filter-btn:hover::before, .filter-btn.active::before {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.case-item {
    background-color: var(--bg-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    border: 1px solid rgba(230, 233, 244, 0.8);
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(44, 110, 203, 0.1);
    border-color: rgba(108, 99, 255, 0.2);
}

.case-image {
    height: 220px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e6f0ff 100%);
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-item:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 20px;
    position: relative;
}

.case-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--dark-color);
    transition: var(--transition);
}

.case-item:hover .case-content h3 {
    color: var(--primary-color);
}

.case-category {
    display: inline-block;
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin-bottom: 18px;
    font-weight: 600;
    padding: 4px 12px;
    background-color: rgba(108, 99, 255, 0.1);
    border-radius: 20px;
}

.case-metrics {
    display: flex;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(230, 233, 244, 0.8);
}

.metric {
    flex: 1;
    text-align: center;
    position: relative;
}

.metric::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 1px;
    height: 70%;
    background-color: rgba(230, 233, 244, 0.8);
}

.metric:last-child::after {
    display: none;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

[data-theme="dark"] .metric-value {
    color: #FE2C55;
    font-weight: 900;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--light-text);
    font-weight: 500;
}

.case-description {
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
    color: var(--text-color);
}

/* 评价区域样式 */
.testimonials {
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--light-bg) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 15%;
    left: -5%;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 77, 141, 0.05) 0%, rgba(255, 77, 141, 0.02) 50%, rgba(255, 77, 141, 0) 70%);
    z-index: 0;
}

.testimonials-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    position: relative;
    z-index: 1;
}

.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.testimonial-item {
    flex: 0 0 calc(33.333% - 20px);
    min-width: 320px;
    background-color: var(--bg-color);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    border: 1px solid rgba(230, 233, 244, 0.8);
    position: relative;
}

.testimonial-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 60px;
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
    border-radius: 5px 0 0 5px;
}

.testimonial-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(108, 99, 255, 0.1);
    border-color: rgba(108, 99, 255, 0.2);
}

.testimonial-content {
    margin-bottom: 15px;
}

.testimonial-content p {
    font-style: italic;
    position: relative;
    padding: 0 15px;
    line-height: 1.5;
    color: var(--text-color);
}

.testimonial-content p::before, .testimonial-content p::after {
    content: '"';
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: absolute;
    opacity: 0.5;
}

.testimonial-content p::before {
    top: -15px;
    left: 0;
}

.testimonial-content p::after {
    bottom: -30px;
    right: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 15px rgba(44, 110, 203, 0.15);
}

.author-avatar::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.author-info h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
}

.author-info p {
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin-bottom: 0;
    font-weight: 600;
}

/* 联系区域样式 */
.contact {
    background: linear-gradient(180deg, var(--light-bg) 0%, rgba(245, 247, 255, 0.5) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -5%;
    right: -5%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(44, 110, 203, 0.05) 0%, rgba(44, 110, 203, 0.02) 50%, rgba(44, 110, 203, 0) 70%);
    z-index: 0;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-info, .contact-qrcode {
    flex: 1;
    background-color: var(--bg-color);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(230, 233, 244, 0.8);
    transition: var(--transition);
}

.contact-info:hover, .contact-qrcode:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(44, 110, 203, 0.1);
    border-color: rgba(108, 99, 255, 0.2);
}

.contact-info h3, .contact-qrcode h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
}

.contact-info h3::after, .contact-qrcode h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.contact-methods {
    margin-top: 25px;
    display: flex;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    transition: var(--transition);
    padding: 12px;
    border-radius: 12px;
}

.contact-method:hover {
    background-color: var(--light-bg);
    transform: translateX(5px);
}

.method-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(44, 110, 203, 0.1) 0%, rgba(108, 99, 255, 0.1) 100%);
    border-radius: 10px;
    position: relative;
    transition: var(--transition);
}

.method-icon i {
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-method:hover .method-icon {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(44, 110, 203, 0.15);
}

.method-details {
    flex: 1;
}

.method-details h4 {
    margin-bottom: 6px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
    transition: var(--transition);
}

.contact-method:hover .method-details h4 {
    color: var(--primary-color);
}

.method-details p {
    margin-bottom: 12px;
    font-weight: 500;
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.5;
}

.method-details .btn {
    margin-right: 15px;
    margin-bottom: 8px;
}

.method-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.method-buttons .btn {
    margin-right: 0 !important;
    margin-bottom: 0 !important;
    padding: 4px 12px !important;
    font-size: 0.85rem !important;
    white-space: nowrap;
}

.qrcode-container {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.qrcode-container img {
    max-width: 200px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(44, 110, 203, 0.1);
    padding: 15px;
    background-color: white;
    border: 1px solid rgba(230, 233, 244, 0.8);
    transition: var(--transition);
}

.qrcode-container img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(44, 110, 203, 0.15);
}

.qrcode-image {
    max-width: 200px;
    margin: 0 auto;
}

.contact-qrcode p {
    text-align: center;
    margin-bottom: 0;
}

/* 行动号召区域 */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: white;
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 50px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-feature {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.cta-feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.cta-feature h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.cta-feature p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.4;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 40px;
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
    align-items: flex-start;
}

.footer-brand h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.footer-brand p {
    max-width: 320px;
    line-height: 1.6;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.footer-links-column h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 25px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

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

.footer-links-column ul li {
    margin-bottom: 12px;
}

.footer-links-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-size: 0.95rem;
    text-decoration: none;
    display: block;
    line-height: 1.5;
}

.footer-links-column ul li a:hover {
    color: white;
    transform: translateX(2px);
}

.footer .contact-info {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.5;
    display: block;
}

.footer-cta {
    margin-top: 25px;
}

.footer-cta .btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.footer-cta .btn:hover {
    background-color: #0d47a1;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(44, 110, 203, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    padding-bottom: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.6);
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 30px;
    max-width: 420px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
    animation: modalFadeIn 0.4s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
}

.close-modal:hover {
    color: #333;
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.3;
}

.modal-subtitle {
    text-align: center;
    margin-bottom: 24px;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-details {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--primary-color);
    width: 20px;
    flex-shrink: 0;
}

.contact-label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
    min-width: 80px;
}

.contact-value {
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

.modal-action-buttons {
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.modal-action-buttons .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
}

.modal-action-buttons .btn i {
    font-size: 1rem;
}

/* 新增按钮布局样式 */
.btn-full-width {
    width: 100%;
}

.btn-group-horizontal {
    display: flex;
    gap: 8px;
    width: 100%;
}

.btn-medium {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.85rem;
}

.btn-group-horizontal .btn {
    min-width: 0;
    white-space: nowrap;
}

/* 深色模式下的按钮样式 */
[data-theme="dark"] .btn-outline {
    border-color: var(--border-color);
    color: var(--text-color);
    background: transparent;
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--hover-bg);
    border-color: #FE2C55;
    color: #FE2C55;
}

.service-features {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 16px;
    border-left: 3px solid var(--primary-color);
}

.feature-item {
    margin-bottom: 6px;
    color: #555;
    font-size: 0.85rem;
    line-height: 1.3;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.copy-btn {
    position: relative;
    overflow: hidden;
}

.copy-btn::after {
    content: '已复制!';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--success-color, #28a745);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.copy-btn.copied::after {
    opacity: 1;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .process-steps {
        flex-wrap: wrap;
    }
    
    .step {
        flex: 0 0 calc(50% - 10px);
    }
    
    .platforms-grid, .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .header-cta {
        display: none;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content, .hero-image {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image img {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links-column {
        text-align: left;
    }
    
    .footer-cta {
        text-align: center;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .modal-body {
        flex-direction: column;
    }
    
    .contact-qrcode-large {
        margin-bottom: 15px;
    }
    
    .contact-details {
        text-align: center;
    }
    
    .modal-buttons {
        justify-content: center;
    }
    
    .contact-methods {
        flex-direction: column;
        gap: 15px;
    }
    
    /* 确保FAQ问题和答案在移动端左对齐 */
    .faq-question,
    .faq-question h3,
    .faq-answer,
    .faq-answer p {
        text-align: left !important;
    }
    
    .nav-links {
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background-color: var(--bg-color);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-links.active {
        max-height: 300px;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .step {
        flex: 0 0 100%;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .service-card {
        padding: 16px 12px;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .service-icon {
        width: 42px;
        height: 42px;
        margin: 0 auto 10px;
    }
    
    .service-icon i {
        font-size: 18px;
    }
    
    .platforms-grid, .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-filter {
        flex-wrap: wrap;
    }
    
    .testimonial-item {
        flex: 0 0 calc(100% - 20px);
    }
    
    .footer-links-column {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .footer-brand h2 {
        font-size: 1.8rem;
    }
    
    .footer-brand p {
        font-size: 0.95rem;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.6rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .cta-content p {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .cta-features {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 30px 0;
    }
    
    .cta-feature {
        padding: 15px;
    }
    
    .feature-icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .cta-feature h4 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .cta-feature p {
        font-size: 0.9rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 30px;
    }
    
    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .modal-content {
        padding: 25px 20px;
        border-radius: 15px;
        max-width: 95%;
    }
    
    .modal-content h2 {
        font-size: 1.3rem;
    }
    
    .modal-subtitle {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }
    
    .contact-details {
        padding: 16px;
    }
    
    .contact-item {
        gap: 10px;
        margin-bottom: 12px;
    }
    
    .contact-label {
        font-size: 0.85rem;
        min-width: 70px;
    }
    
    .contact-value {
        font-size: 0.85rem;
    }
    
    .modal-action-buttons .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .contact-qrcode-large img {
        max-width: 180px;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .method-buttons {
        display: flex;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .method-details .btn {
        margin: 5px;
    }
    
    .method-buttons .btn {
        margin: 5px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.scroll-animation {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animation.active {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animation-delay-1 {
    transition-delay: 0.2s;
}

.scroll-animation-delay-2 {
    transition-delay: 0.4s;
}

.scroll-animation-delay-3 {
    transition-delay: 0.6s;
}

/* 悬浮联系按钮 */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
}

.floating-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.floating-contact-btn i {
    font-size: 24px;
}

.floating-contact-btn:hover {
    background-color: #0d47a1;
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(44, 110, 203, 0.3);
}

.floating-contact-tooltip {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--dark-color);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.floating-contact-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: var(--dark-color) transparent transparent transparent;
}

.floating-contact-btn:hover .floating-contact-tooltip {
    opacity: 1;
    visibility: visible;
    top: -50px;
}

/* 深色模式特殊样式调整 */
[data-theme="dark"] .header {
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .hero {
    background: var(--bg-color);
}

[data-theme="dark"] .hero::before {
    background-image: 
        linear-gradient(rgba(254, 44, 85, 0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(254, 44, 85, 0.15) 1px, transparent 1px);
    background-size: 40px 40px;
}

[data-theme="dark"] .service-card {
    background-color: var(--light-bg);
    border-color: var(--border-color);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .service-card:hover {
    box-shadow: 0 15px 35px rgba(254, 44, 85, 0.2);
    border-color: rgba(37, 244, 238, 0.3);
}

/* 修复案例区域tab按钮 */
[data-theme="dark"] .filter-btn::before {
    background-color: var(--light-bg);
}

[data-theme="dark"] .filter-btn:hover::before,
[data-theme="dark"] .filter-btn.active::before {
    background: #FE2C55;
}

/* 修复CTA区域 */
[data-theme="dark"] .cta-section {
    background: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] .cta-content h2 {
    color: var(--text-color);
}

[data-theme="dark"] .cta-content p {
    color: var(--text-color);
    opacity: 0.8;
}

[data-theme="dark"] .cta-feature {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .cta-feature:hover {
    background: var(--light-bg);
    border-color: rgba(254, 44, 85, 0.3);
}

[data-theme="dark"] .cta-feature h4 {
    color: var(--text-color);
}

[data-theme="dark"] .cta-feature p {
    color: var(--text-color);
    opacity: 0.8;
}

/* 修复footer区域 */
[data-theme="dark"] .footer {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] .footer-brand h2 {
    color: var(--text-color);
}

[data-theme="dark"] .footer-brand p {
    color: var(--text-color);
    opacity: 0.8;
}

[data-theme="dark"] .footer-links-column h3 {
    color: var(--text-color);
}

[data-theme="dark"] .footer-links-column ul li a {
    color: var(--text-color);
    opacity: 0.8;
}

[data-theme="dark"] .footer-links-column ul li a:hover {
    color: #FE2C55;
    opacity: 1;
}

/* 修复悬浮联系按钮 */
[data-theme="dark"] .floating-contact-tooltip {
    background-color: var(--light-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .floating-contact-tooltip::after {
    border-color: var(--light-bg) transparent transparent transparent;
}

/* 修复深色模式下悬浮按钮悬停颜色 */
[data-theme="dark"] .floating-contact-btn:hover {
    background-color: #d91e47 !important;
    color: white !important;
    box-shadow: 0 6px 16px rgba(217, 30, 71, 0.3);
}

/* 修复联系弹窗 */
[data-theme="dark"] .modal-content {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-content h2 {
    color: var(--text-color);
}

[data-theme="dark"] .modal-subtitle {
    color: var(--text-color);
    opacity: 0.8;
}

[data-theme="dark"] .contact-details {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .contact-label {
    color: var(--text-color);
}

[data-theme="dark"] .contact-value {
    color: var(--text-color);
}

[data-theme="dark"] .close-modal {
    color: var(--text-color);
    background: var(--bg-color);
}

[data-theme="dark"] .close-modal:hover {
    color: var(--text-color);
    background: var(--border-color);
}

/* 修复按钮样式 - 改为纯色 */
[data-theme="dark"] .btn-primary {
    background: #FE2C55 !important;
    border: none;
    color: white !important;
}

[data-theme="dark"] .btn-primary:hover {
    background: #d91e47 !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(254, 44, 85, 0.3);
}

/* 修复CTA区域按钮 */
[data-theme="dark"] .cta-buttons .btn {
    background: #FE2C55 !important;
    color: white !important;
    border: none;
}

[data-theme="dark"] .cta-buttons .btn:hover {
    background: #d91e47 !important;
    color: white !important;
}

/* 修复联系弹窗邮件按钮 */
[data-theme="dark"] .modal-action-buttons .btn {
    background: #FE2C55 !important;
    color: white !important;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-action-buttons .btn:hover {
    background: #d91e47 !important;
    color: white !important;
    border-color: #d91e47;
}

/* 统一深色模式下btn-group-horizontal中两个按钮的样式 */
[data-theme="dark"] .btn-group-horizontal .btn {
    background: transparent !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .btn-group-horizontal .btn:hover {
    background: var(--hover-bg) !important;
    border-color: #FE2C55 !important;
    color: #FE2C55 !important;
}

/* 修复成功案例区域背景渐变 */
[data-theme="dark"] .cases {
    background: linear-gradient(180deg, var(--light-bg) 0%, var(--bg-color) 100%);
}

/* 移除全局btn-primary样式覆盖，保持浅色模式下的蓝色按钮 */

/* 案例数据样式已在原始定义处修改 */

/* 修复联系弹窗service-features区域 */
[data-theme="dark"] .service-features {
    background: var(--bg-color);
    border-left: 3px solid #FE2C55;
}

[data-theme="dark"] .feature-item {
    color: var(--text-color);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea,
[data-theme="dark"] .form-group select {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus,
[data-theme="dark"] .form-group select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(254, 44, 85, 0.1);
}

[data-theme="dark"] .faq-item {
    background-color: var(--light-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .faq-item:hover {
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .case-card {
    background-color: var(--light-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .case-category {
    background-color: rgba(254, 44, 85, 0.1);
    color: var(--text-color);
}

[data-theme="dark"] .testimonial-card {
    background-color: var(--light-bg);
    border-color: var(--border-color);
}