/* 全局样式 */
:root {
    --primary-color: #00a8ff;
    --secondary-color: #192a56;
    --accent-color: #2ecc71;
    --text-color: #2f3640;
    --light-gray: #f1f2f6;
    --dark-gray: #2f3640;
    --neon-blue: #00a8ff;
    --neon-green: #2ecc71;
    --dark-blue: #192a56;
    --gradient-1: linear-gradient(135deg, #00a8ff, #2ecc71);
    --gradient-2: linear-gradient(45deg, #192a56, #00a8ff);
    --transition: all 0.3s ease;
    --box-shadow: 0 10px 30px rgba(0, 168, 255, 0.1);
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

* {
    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);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(25, 42, 86, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    padding: 10px 0;
}

.logo img {
    height: 45px;
    width: auto;
    transition: var(--transition);
    filter: brightness(1.1) contrast(1.1);
}

.logo:hover img {
    transform: scale(1.05);
}

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

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    transition: var(--transition);
    box-shadow: 0 0 10px var(--neon-blue);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
    padding: 20px 0;
}

.dropdown > a::after {
    display: none;
}

.dropdown > a {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown > a::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(255, 255, 255, 0.9);
    border-bottom: 2px solid rgba(255, 255, 255, 0.9);
    transform: rotate(45deg);
    margin-top: -4px;
    transition: var(--transition);
}

.dropdown:hover > a::before {
    border-color: var(--neon-blue);
    transform: rotate(225deg);
}

.dropdown-content {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(25, 42, 86, 0.95);
    backdrop-filter: blur(10px);
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 10px 0;
    margin-top: -10px;
    transition: all 0.3s ease;
    pointer-events: none;
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--neon-blue);
    transform: translateX(5px);
}

.dropdown-content a.active {
    color: var(--neon-blue);
    background: rgba(255, 255, 255, 0.05);
}

.dropdown-content a::after {
    display: none;
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 10px 20px rgba(0, 168, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
}

.btn-primary:hover::before {
    transform: translateX(100%);
    transition: transform 0.8s ease;
}

.contact-btn .btn-primary {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.contact-btn .btn-primary:hover {
    color: var(--neon-blue);
}

.btn-secondary {
    display: inline-block;
    padding: 10px 25px;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 25px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* 首页横幅 */
.hero {
    height: 100vh;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, rgba(0, 168, 255, 0.1) 25%, transparent 25%) -50px 0,
        linear-gradient(-45deg, rgba(0, 168, 255, 0.1) 25%, transparent 25%) -50px 0,
        linear-gradient(45deg, transparent 75%, rgba(0, 168, 255, 0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(0, 168, 255, 0.1) 75%);
    background-size: 100px 100px;
    opacity: 0.1;
    animation: backgroundMove 20s linear infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--secondary-color) 100%);
    opacity: 0.7;
}

.hero-slider {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

.slide-content {
    color: white;
    position: relative;
    z-index: 2;
    text-shadow: var(--text-shadow);
}

.slide-content h1 {
    font-size: 5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.slide-content p {
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 24px;
    animation: bounce 2s infinite;
}

/* 公司简介 */
.company-intro {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 50px;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.intro-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.intro-item:hover {
    transform: translateY(-10px);
}

.intro-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

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

/* 核心产品 */
.core-products {
    padding: 100px 0;
    background: var(--light-gray);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.product-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(0, 168, 255, 0.2);
    transition: var(--transition);
}

.product-icon i {
    font-size: 2.5rem;
    color: white;
    transition: var(--transition);
}

.product-card:hover .product-icon {
    transform: translateY(-10px) scale(1.1);
    box-shadow: 0 15px 30px rgba(0, 168, 255, 0.3);
}

.product-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.product-card p {
    margin-bottom: 25px;
    color: var(--dark-gray);
}

/* 成功案例 */
.case-studies {
    padding: 100px 0;
    background: white;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-10px);
}

.case-image {
    height: 250px;
    overflow: hidden;
}

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

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

.case-content {
    padding: 30px;
}

.case-content h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.case-content p {
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.btn-text {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.btn-text:hover {
    gap: 10px;
}

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

.news-slider {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.news-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-date {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 10px;
}

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

/* 联系我们部分 */
.contact-section {
    padding: 120px 0;
    background: linear-gradient(to bottom, #fff, var(--light-gray));
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-channel-card {
    padding: 35px;
    background: white;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.contact-channel-card i {
    font-size: 2.5rem;
    color: var(--neon-blue);
    margin-bottom: 20px;
    background: var(--light-gray);
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
}

.contact-channel-card h3 {
    color: var(--dark-blue);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

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

.contact-form-wrapper {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.contact-form-wrapper form {
    display: grid;
    gap: 25px;
}

.contact-form-wrapper input,
.contact-form-wrapper textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.contact-form-wrapper input:focus,
.contact-form-wrapper textarea:focus {
    border-color: var(--neon-blue);
    background: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}

.contact-form-wrapper textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form-wrapper button {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    width: auto;
    justify-self: start;
}

.contact-form-wrapper button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 168, 255, 0.2);
}

@media (max-width: 768px) {
    .contact-section {
        padding: 80px 0;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-channel-card {
        padding: 25px;
    }

    .contact-form-wrapper {
        padding: 30px;
    }
}
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    height: 150px;
    resize: none;
}

/* 页脚 */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

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

.footer-col a:hover {
    color: white;
}

.qrcode {
    background: white;
    padding: 10px;
    border-radius: 5px;
    width: fit-content;
}

.qrcode img {
    width: 120px;
    height: 120px;
}

.qrcode p {
    color: var(--text-color);
    text-align: center;
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes backgroundMove {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 100px 100px;
    }
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-grid,
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .intro-grid,
    .product-grid,
    .case-grid,
    .news-slider {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 40px;
}

.mb-4 {
    margin-bottom: 40px;
}

/* 数据统计区域 */
.stats-section {
    padding: 80px 0;
    background: var(--gradient-2);
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    color: white;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 页面标题 */
.page-header {
    height: 300px;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    margin-top: 80px;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, rgba(0, 168, 255, 0.1) 25%, transparent 25%) -50px 0,
        linear-gradient(-45deg, rgba(0, 168, 255, 0.1) 25%, transparent 25%) -50px 0;
    background-size: 100px 100px;
    opacity: 0.1;
    animation: backgroundMove 20s linear infinite;
}

.page-header h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

/* 公司简介 */
.company-profile {
    padding: 100px 0;
    background: white;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.profile-content h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.profile-content p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.company-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.feature {
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.profile-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

/* 发展历程 */
.history {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto 0;
    padding: 0 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.timeline-item .year {
    background: var(--gradient-1);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    position: relative;
    z-index: 1;
    margin: 0 30px;
    min-width: 100px;
    text-align: center;
}

.timeline-item .content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    flex: 1;
    max-width: 300px;
}

.timeline-item .content h3 {
    margin-bottom: 10px;
    color: var(--neon-blue);
}

/* 企业文化 */
.culture {
    padding: 100px 0;
    background: white;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.culture-item {
    text-align: center;
    padding: 40px;
    background: var(--light-gray);
    border-radius: 20px;
    transition: var(--transition);
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.culture-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-icon i {
    font-size: 2.5rem;
    color: white;
}

.culture-item h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* 资质荣誉 */
.honors {
    padding: 100px 0;
    background: var(--light-gray);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.honor-item {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

.honor-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.honor-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
}

.honor-item h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* 响应式设计补充 */
@media (max-width: 1024px) {
    .profile-grid,
    .culture-grid,
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        height: 200px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .profile-grid,
    .culture-grid,
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .company-features {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .timeline-item .year {
        margin-bottom: 20px;
    }
    
    .timeline-item .content {
        max-width: 100%;
    }
}

/* 解决方案概览 */
.solutions-overview {
    padding: 100px 0;
    background: white;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.overview-content h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.overview-content p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.overview-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
    transition: var(--transition);
}

.overview-features .feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.overview-features .feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.overview-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

/* 产品矩阵 */
.product-matrix {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.matrix-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.matrix-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.matrix-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.matrix-icon i {
    font-size: 2rem;
    color: white;
}

.matrix-item:hover .matrix-icon {
    transform: rotateY(180deg);
}

.matrix-item h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.matrix-item p {
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.matrix-item ul {
    list-style: none;
    margin-bottom: 25px;
    text-align: left;
    padding-left: 20px;
}

.matrix-item ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
    color: var(--dark-gray);
}

.matrix-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    background: var(--gradient-1);
    border-radius: 50%;
    opacity: 0.2;
}

/* 综合解决方案 */
.total-solution {
    padding: 100px 0;
    background: white;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-item h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-item p {
    color: var(--dark-gray);
}

.solution-cta {
    text-align: center;
    margin-top: 50px;
}

/* 技术优势 */
.tech-advantages {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: white;
}

.advantage-item h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.advantage-item p {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* 响应式设计补充 */
@media (max-width: 1024px) {
    .matrix-grid,
    .solution-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-features {
        grid-template-columns: 1fr;
    }
    
    .matrix-grid,
    .solution-features,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* 解决方案子页面样式 */
.solution-intro {
    padding: 100px 0;
    background: white;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-content h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.intro-content p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.intro-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
    transition: var(--transition);
}

.intro-features .feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.intro-features .feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.intro-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

/* 核心功能 */
.core-functions {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.functions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.function-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.function-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.function-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.function-icon i {
    font-size: 2rem;
    color: white;
}

.function-item:hover .function-icon {
    transform: rotateY(180deg);
}

.function-item h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.function-item ul {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
}

.function-item ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: var(--dark-gray);
}

.function-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 技术特点 */
.tech-features {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.feature-card .feature-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card .feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-content h3 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.feature-content p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* 应用场景 */
.applications {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.application-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.application-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.application-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.application-content {
    padding: 20px;
}

.application-content h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.application-content p {
    color: var(--dark-gray);
}

/* 实施流程 */
.implementation {
    padding: 100px 0;
    background: white;
}

.process-timeline {
    max-width: 800px;
    margin: 50px auto 0;
    position: relative;
    padding: 20px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.2;
    transform: translateX(-50%);
}

.process-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.process-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 30px;
    position: relative;
    z-index: 1;
}

.process-icon i {
    font-size: 1.5rem;
    color: white;
}

.process-content {
    flex: 1;
    background: var(--light-gray);
    padding: 20px;
    border-radius: 10px;
    position: relative;
}

.process-content::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 100%;
    border: 10px solid transparent;
    border-right-color: var(--light-gray);
    transform: translateY(-50%);
}

.process-content h3 {
    color: var(--secondary-color);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.process-content p {
    color: var(--dark-gray);
    margin: 0;
}

/* 成功案例展示 */
.case-showcase {
    padding: 100px 0;
    background: var(--light-gray);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.case-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.case-image {
    height: 250px;
    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: 30px;
}

.case-content h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.case-content p {
    color: var(--dark-gray);
    margin-bottom: 20px;
}

/* 响应式设计补充 */
@media (max-width: 1024px) {
    .functions-grid,
    .features-grid,
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-features {
        grid-template-columns: 1fr;
    }
    
    .functions-grid,
    .features-grid,
    .applications-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline::before {
        left: 30px;
    }
    
    .process-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 60px;
    }
    
    .process-icon {
        position: absolute;
        left: 0;
        margin: 0;
    }
    
    .process-content {
        width: 100%;
    }
    
    .process-content::before {
        display: none;
    }
}

/* 案例分类导航 */
.case-nav {
    padding: 30px 0;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.case-nav-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.case-nav-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    background: transparent;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.case-nav-btn:hover,
.case-nav-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 案例展示卡片增强样式 */
.case-item {
    position: relative;
    transition: var(--transition);
}

.case-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--gradient-1);
    color: white;
    border-radius: 15px;
    font-size: 0.9rem;
    z-index: 1;
}

.case-highlights {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.highlight-item span {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .case-nav-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .case-nav-btn {
        width: 100%;
        text-align: center;
    }

    .case-highlights {
        flex-direction: column;
        gap: 10px;
    }
}

/* 案例概览 */
.case-overview {
    padding: 60px 0;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.overview-stats .stat-item {
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.overview-stats .stat-item:hover {
    transform: translateY(-5px);
}

.overview-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.overview-stats .stat-label {
    color: var(--dark-gray);
    font-size: 1.1rem;
}

/* 案例分类导航 */
.case-nav {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.case-nav-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.case-nav-btn {
    padding: 12px 25px;
    border: 2px solid var(--primary-color);
    border-radius: 30px;
    background: transparent;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.case-nav-btn:hover,
.case-nav-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

/* 案例展示卡片增强样式 */
.case-showcase {
    padding: 80px 0;
    background: var(--light-gray);
}

.case-item {
    position: relative;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.case-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.6));
    opacity: 0;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    padding: 20px;
    align-items: flex-start;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-tag {
    padding: 8px 16px;
    background: var(--gradient-1);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.case-link {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.case-link:hover {
    transform: rotate(45deg);
    background: var(--primary-color);
    color: white;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    color: var(--secondary-color);
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.case-desc {
    margin-bottom: 20px;
}

.case-desc p {
    color: var(--dark-gray);
    line-height: 1.6;
}

.case-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.highlight-item span {
    color: var(--dark-gray);
    font-size: 0.95rem;
    font-weight: 500;
}

/* 合作流程 */
.cooperation-process {
    padding: 100px 0;
    background: white;
}

.cooperation-process .section-title {
    margin-bottom: 60px;
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 40px 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.2;
    transform: translateX(-50%);
}

.process-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.process-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 30px;
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.3);
}

.process-icon i {
    font-size: 1.8rem;
    color: white;
}

.process-content {
    flex: 1;
    background: var(--light-gray);
    padding: 25px;
    border-radius: 15px;
    position: relative;
    transition: var(--transition);
}

.process-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.process-content::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 100%;
    border: 12px solid transparent;
    border-right-color: var(--light-gray);
    transform: translateY(-50%);
}

.process-content h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.process-content p {
    color: var(--dark-gray);
    margin: 0;
    line-height: 1.6;
}

/* 响应式设计补充 */
@media (max-width: 1024px) {
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .overview-stats {
        grid-template-columns: 1fr;
    }

    .case-nav-grid {
        flex-direction: column;
    }

    .case-nav-btn {
        width: 100%;
        text-align: center;
    }

    .case-highlights {
        grid-template-columns: 1fr;
    }

    .process-timeline::before {
        left: 30px;
    }

    .process-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 60px;
    }

    .process-icon {
        position: absolute;
        left: 0;
        margin: 0;
    }

    .process-content {
        width: 100%;
    }

    .process-content::before {
        display: none;
    }
}

/* 培训服务页面样式 */
.training-system {
    padding: 80px 0;
    background-color: #fff;
}

.system-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.system-item {
    padding: 30px;
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.system-item:hover {
    transform: translateY(-5px);
}

.system-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.system-icon i {
    font-size: 24px;
    color: #fff;
}

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

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

.system-item ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.system-item ul li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
}

.training-courses {
    padding: 80px 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.course-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.course-header {
    padding: 20px;
    background: var(--gradient-1);
    color: #fff;
    position: relative;
}

.course-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.course-icon i {
    font-size: 20px;
    color: #fff;
}

.course-duration {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.course-content {
    padding: 20px;
}

.course-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.course-content ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.course-content ul li:before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.btn-text {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-text:hover {
    gap: 12px;
    color: var(--secondary-color);
}

.training-features {
    padding: 80px 0;
    background-color: #fff;
}

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

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 20px;
    color: #fff;
}

.feature-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.feature-content p {
    margin: 0;
    color: #666;
}

.training-cases {
    padding: 80px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

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

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

.case-content {
    padding: 20px;
}

.case-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.case-content p {
    margin-bottom: 15px;
    color: #666;
}

.case-results {
    list-style: none;
    padding: 0;
}

.case-results li {
    margin-bottom: 8px;
    color: #666;
    display: flex;
    align-items: center;
}

.case-results li i {
    color: var(--primary-color);
    margin-right: 10px;
}

.training-booking {
    padding: 80px 0;
    background-color: #fff;
}

.booking-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-top: 40px;
}

.booking-info h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 24px;
}

.booking-info ul {
    list-style: none;
    padding: 0;
}

.booking-info ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.booking-info ul li i {
    color: var(--primary-color);
    font-size: 20px;
}

.booking-form {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 168, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .booking-content {
        grid-template-columns: 1fr;
    }
    
    .booking-info {
        text-align: center;
    }
    
    .booking-info ul li {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .system-grid,
    .courses-grid,
    .features-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .booking-form {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .case-image {
        height: 160px;
    }
    
    .system-item,
    .course-card,
    .feature-card {
        padding: 15px;
    }
}

/* 联系信息样式 */
.contact-info {
    display: flex;
    align-items: center;
}

.phone-number {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 15px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
}

.phone-number:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--neon-blue);
}

.phone-number i {
    font-size: 14px;
}

/* 引入页脚样式 */
@import url('footer.css');