/* 全局变量 */
:root {
    --primary-color: #1565C0;
    --primary-light: #E3F2FD;
    --secondary-color: #263238;
    --accent-color: #00BCD4;
    --text-color: #37474F;
    --light-text: #78909C;
    --white-text: #FFFFFF;
    --background: #FFFFFF;
    --light-bg: #F5F7FA;
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --gradient: linear-gradient(135deg, #1565C0, #0D47A1);
    --overlay-gradient: linear-gradient(to bottom, rgba(21, 101, 192, 0.9), rgba(13, 71, 161, 0.85));
}

/* 基础样式优化 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    font-display: swap;
}

html {
    overflow-x: hidden;
    width: 100%;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式优化 - 添加丝滑过渡效果 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow-color);
    z-index: 1000;
    padding: 10px 0;
    transition: padding 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 导航栏滚动时的丝滑效果 */
.header.scrolled {
    padding: 5px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

/* 导航栏进入动画 */
.header.animate-in {
    animation: slideDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    padding: 5px 0;
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.logo-text span {
    font-size: 1.8rem;         /* 29px - 参考NoCode风格，稍大字号 */
    font-weight: 700;          /* Bold - 增强科技感力度 */
    letter-spacing: 0.01em;    /* 1% - 更接近NoCode的极紧凑风格 */
    color: #1565C0 !important;
    transition: all 0.3s ease;
    line-height: 1;            /* Logo文字不需要额外行高 */
    text-rendering: optimizeLegibility;  /* 字体渲染优化 */
    -webkit-font-smoothing: antialiased; /* WebKit字体平滑 */
    -moz-osx-font-smoothing: grayscale;   /* Firefox字体平滑 */
    font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Helvetica, Arial, sans-serif;
}

.logo a:hover .logo-text span {
    color: #0D47A1 !important;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* 丝滑的悬停效果 */
.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(21, 101, 192, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.15);
}

/* 点击反馈效果 */
.nav-links a:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(21, 101, 192, 0.1);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 卡片样式优化 - 添加丝滑动效 */
.card {
    background: var(--background);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* 卡片进入动画 */
.card {
    opacity: 0;
    transform: translateY(30px);
    animation: cardSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }

@keyframes cardSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡片悬停效果 - 更丝滑 */
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 卡片光泽效果 */
.card::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 0.6s ease;
}

.card:hover::before {
    left: 100%;
}

/* 产品服务卡片优化 */
.product-card {
    text-align: center;
    padding: 40px 30px;
    margin: 20px;
    background: var(--background);
    border-radius: 16px;
    box-shadow: 0 15px 35px var(--shadow-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(43, 135, 255, 0.15);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 25px;
    background: var(--primary-light);
    width: 100px;
    height: 100px;
    line-height: 100px;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.product-card:hover i {
    transform: scale(1.1);
    background: var(--gradient);
    color: white;
}

.product-card h3 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
}

.product-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--gradient);
    border-radius: 3px;
}

.product-card p {
    color: var(--light-text);
    margin-bottom: 25px;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    text-align: left;
    margin-top: 20px;
    padding: 0 10px;
}

.product-features li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    color: var(--text-color);
    font-size: 0.95rem;
}

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

/* 数据统计样式 */
.stats-container {
    display: flex;
    justify-content: space-around;
    margin: 50px 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--light-text);
    font-size: 18px;
}

/* 按钮样式优化 */
.button {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-button {
    background: var(--gradient);
    color: white;
    box-shadow: 0 5px 15px rgba(43, 135, 255, 0.3);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(43, 135, 255, 0.4);
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* 解决方案标签页样式 */
.solution-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.tab-button {
    padding: 15px 30px;
    border: none;
    background: var(--light-bg);
    color: var(--text-color);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.tab-button span {
    position: relative;
    z-index: 2;
}

.tab-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(43, 135, 255, 0.2);
}

.tab-button.active {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(43, 135, 255, 0.3);
}

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

.feature {
    background: var(--background);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(43, 135, 255, 0.15);
}

.feature i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: var(--primary-light);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature:hover i {
    transform: scale(1.1);
    background: var(--gradient);
    color: white;
}

.feature h4 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
}

.feature p {
    color: var(--light-text);
    line-height: 1.6;
}

.solution-item {
    opacity: 0;
    transition: opacity 0.5s ease;
    position: absolute;
    width: 100%;
}

.solution-item.active {
    opacity: 1;
    position: relative;
}

/* 案例展示优化 */
.cases {
    padding: 100px 0;
    background-color: var(--background);
    position: relative;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    opacity: 0.1;
}

.cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.cases h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 3px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin: 40px 0;
}

.case-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px var(--shadow-color);
    position: relative;
    transition: all 0.3s ease;
    background: var(--background);
    height: 400px;
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(43, 135, 255, 0.2);
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-item:hover img {
    transform: scale(1.05);
}

.case-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5) 70%, transparent);
    color: white;
    transform: translateY(70%);
    transition: transform 0.4s ease;
}

.case-item:hover .case-info {
    transform: translateY(0);
}

.case-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.case-info p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease 0.1s;
    line-height: 1.6;
}

.case-item:hover .case-info p {
    opacity: 0.9;
    transform: translateY(0);
}

.case-detail {
    display: inline-block;
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    background: var(--gradient);
    border-radius: 25px;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease 0.2s;
}

.case-item:hover .case-detail {
    opacity: 1;
    transform: translateY(0);
}

.case-detail:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(43, 135, 255, 0.3);
}

/* 新闻动态优化 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.news-card {
    background: var(--background);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px var(--shadow-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(43, 135, 255, 0.15);
}

.news-date {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 15px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    border-bottom: 3px solid var(--primary-color);
}

.news-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-color);
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news-card:hover h3 {
    color: var(--primary-color);
}

.news-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: auto;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 联系表单样式优化 */
.contact-form {
    display: grid;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    outline: none;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .stats-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .product-card {
        margin: 10px;
    }
    
    .solution-tabs {
        flex-wrap: wrap;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        flex-direction: column;
    }
}

/* 英雄区域优化 */
.hero {
    height: 100vh;
    background-image: url('images/hero-bg.svg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white-text);
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-gradient);
    z-index: 1;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
}

.hero .subtitle {
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease 0.3s;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s;
}

.cta-button {
    background: var(--gradient);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    box-shadow: 0 10px 20px rgba(43, 135, 255, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta-button i {
    font-size: 1.2rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(43, 135, 255, 0.4);
}

.secondary-button {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1.2rem 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 1px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.secondary-button i {
    font-size: 1.2rem;
}

.secondary-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: var(--background);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 3px;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text-container {
    flex: 1;
    min-width: 300px;
}

.about-intro {
    margin-bottom: 25px;
    position: relative;
}

.about-intro h3 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.about-intro h3 sup {
    font-size: 1rem;
    top: -0.8em;
}

.company-tagline {
    font-size: 1.4rem;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-left: 15px;
    margin-top: 5px;
}

.company-tagline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: var(--gradient);
    border-radius: 2px;
}

.about-description {
    border-left: 1px solid rgba(43, 135, 255, 0.2);
    padding-left: 25px;
    position: relative;
}

.about-description::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary-color);
}

.about-description::after {
    content: '';
    position: absolute;
    left: -4px;
    bottom: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary-color);
}

.about-description p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--light-text);
    font-size: 1.05rem;
}

.about-description p:last-child {
    margin-bottom: 0;
}

.company-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    min-width: 300px;
}

.stat-item {
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(43, 135, 255, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    background: white;
    border: 1px solid rgba(43, 135, 255, 0.08);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(43, 135, 255, 0.12);
    border-color: rgba(43, 135, 255, 0.15);
}

.stat-number {
    display: block;
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 500;
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        gap: 50px;
    }
    
    .about-text-container {
        width: 100%;
    }
    
    .company-stats {
        width: 100%;
    }
}

/* 产品服务 */
.products {
    padding: 100px 0;
    background-color: var(--background);
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

/* 解决方案 */
.solutions {
    padding: 100px 0;
    background-color: var(--primary-light);
    position: relative;
}

.solutions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/pattern.svg');
    background-size: 200px;
    opacity: 0.05;
    pointer-events: none;
}

.solutions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.solutions-content {
    max-width: 1200px;
    margin: 0 auto;
}

.solution-item {
    text-align: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    position: absolute;
    width: 100%;
}

.solution-item.active {
    opacity: 1;
    position: relative;
}

.solution-item h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.solution-item > p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.solution-features {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 40px;
}

.feature {
    flex: 1;
    background: var(--background);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(43, 135, 255, 0.15);
}

.feature i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 25px;
    background: var(--primary-light);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature:hover i {
    transform: scale(1.1);
    background: var(--gradient);
    color: white;
}

.feature h4 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
}

.feature p {
    color: var(--light-text);
    line-height: 1.6;
}

/* 新闻动态 */
.news {
    padding: 100px 0;
    background-color: var(--light-bg);
    position: relative;
}

.news::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/pattern.svg');
    background-size: 200px;
    opacity: 0.05;
    pointer-events: none;
}

.news h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

.news-item {
    background-color: var(--background-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-item h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background-color: var(--background);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(43, 135, 255, 0.03) 0%, rgba(125, 77, 255, 0.05) 100%);
    pointer-events: none;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 3px;
}

.contact-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid rgba(43, 135, 255, 0.1);
}

.contact-header {
    padding: 30px 40px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(43, 135, 255, 0.02);
}

.contact-header h3 {
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-header p {
    color: var(--light-text);
    font-size: 1.1rem;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
}

.qrcode-container {
    flex: 2;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: white;
}

.wechat-qrcode {
    width: 250px;
    height: 250px;
    margin-bottom: 30px;
    box-shadow: 0 15px 30px rgba(43, 135, 255, 0.1);
    border-radius: 12px;
    border: 5px solid white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.wechat-qrcode:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(43, 135, 255, 0.15);
}

.qrcode-tips {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qrcode-tips i {
    font-size: 40px;
    color: #07C160;
    margin-bottom: 15px;
}

.qrcode-tips h4 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 600;
}

.qrcode-tips p {
    color: var(--light-text);
    max-width: 320px;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.business-hours {
    margin-top: 10px;
    padding: 10px 20px;
    background: rgba(43, 135, 255, 0.05);
    border-radius: 30px;
    display: inline-block;
}

.business-hours span {
    font-size: 0.9rem;
    color: var(--light-text);
    display: flex;
    align-items: center;
}

.business-hours span::before {
    content: "\f017";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-right: 6px;
    color: var(--primary-color);
}

/* 联系信息区域 */
.contact-info {
    flex: 1;
    padding: 50px 40px;
    background: linear-gradient(135deg, #2B87FF 0%, #7D4DFF 100%);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-card {
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.contact-card i {
    font-size: 26px;
    margin-bottom: 15px;
    display: inline-block;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.2);
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    border-radius: 50%;
}

.contact-card h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

.social-contact {
    margin-top: auto;
}

.social-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-icons a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .contact-content {
        flex-direction: column;
    }
    
    .wechat-qrcode {
        width: 200px;
        height: 200px;
    }
    
    .qrcode-tips h4 {
        font-size: 1.3rem;
    }
    
    .qrcode-tips p {
        font-size: 1rem;
    }
    
    .business-hours {
        padding: 8px 15px;
    }
    
    .business-hours span {
        font-size: 0.8rem;
    }
    
    .contact-info {
        padding: 40px 30px;
    }
}

/* 页脚 */
.footer {
    background-color: var(--secondary-color);
    color: var(--white-text);
    padding: 60px 0 20px;
    position: relative;
    width: 100%;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 15px var(--shadow-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s ease, opacity 0.3s ease, visibility 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        padding: 15px;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .menu-toggle {
        display: block;
        transition: transform 0.3s ease;
    }

    .logo-text span {
        font-size: 1.6rem;        /* 26px - 移动端稍大，匹配参考风格 */
        letter-spacing: 0.01em;  /* 1% - 移动端更紧凑 */
        font-weight: 700;        /* Bold - 保持一致力度 */
    }

    .menu-toggle.active {
        transform: rotate(90deg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .company-stats {
        flex-direction: column;
        gap: 30px;
    }

    .solution-tabs {
        flex-direction: column;
    }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .solution-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .feature {
        width: 100%;
    }
}

.qr-placeholder {
    width: 250px;
    height: 250px;
    margin-bottom: 30px;
    background: rgba(43, 135, 255, 0.05);
    border-radius: 12px;
    border: 2px dashed rgba(43, 135, 255, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.qr-placeholder:hover {
    background: rgba(43, 135, 255, 0.08);
    transform: scale(1.02);
}

.qr-placeholder i {
    font-size: 100px;
    color: rgba(43, 135, 255, 0.6);
    margin-bottom: 20px;
}

.qr-placeholder span {
    color: rgba(43, 135, 255, 0.8);
    font-size: 16px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .qr-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .qr-placeholder i {
        font-size: 80px;
    }
}

.about-cta {
    margin-top: 30px;
}

.about-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color));
    background-size: 0 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    transition: all 0.3s ease;
}

.about-button span {
    transition: all 0.3s ease;
}

.about-button i {
    transition: transform 0.3s ease;
}

.about-button:hover {
    background-size: 100% 2px;
}

.about-button:hover i {
    transform: translateX(5px);
}

/* 页面滚动动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.show {
    opacity: 1;
    transform: translateY(0);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(43, 135, 255, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top i {
    font-size: 1.2rem;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(43, 135, 255, 0.4);
}

/* 页脚样式 */
.footer {
    background-color: var(--secondary-color);
    color: var(--light-text);
    padding: 30px 0;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo div {
    display: flex;
    flex-direction: column;
}

.footer-logo span:first-child {
    color: var(--primary-color);
    font-weight: 600;
}

.footer-logo span:last-child {
    color: white;
    font-weight: 600;
}

.footer-desc {
    color: #a0a0a0;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

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

.footer-links a {
    color: #a0a0a0;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-links a::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
    line-height: 1;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 20px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: #a0a0a0;
}

.footer-contact i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 4px;
}

.footer-contact a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: var(--primary-color);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    font-size: 0.9rem;
    color: #777;
    text-align: center;
    line-height: 1.5;
    padding: 10px 0;
}

.footer-bottom p {
    margin: 0;
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-bottom a {
    color: #777;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-column:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-column:first-child {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .footer {
        padding: 20px 0;
    }
    
    .footer-bottom p {
        width: 100%;
        margin: 5px 0;
        justify-content: center;
    }
}

/* 主要部分样式 */
main {
    width: 100%;
    overflow-x: hidden;
}

/* 各部分样式 */
section {
    width: 100%;
    overflow-x: hidden;
}

/* 修复页面右侧空白问题的媒体查询 */
@media screen and (min-width: 100px) {
    body, html {
        overflow-x: hidden;
        width: 100%;
        max-width: 100%;
    }
    
    .container,
    section,
    main,
    .header,
    .footer,
    .hero,
    .about,
    .products,
    .solutions,
    .cases,
    .contact {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
}