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

:root {
    --primary-color: #1a5fb4;
    --primary-dark: #1552a0;
    --secondary-color: #2ec4b6;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-color: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

ul {
    list-style: none;
}

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

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 95, 180, 0.3);
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #25a99c;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background: #fff;
    color: var(--primary-color);
}

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

.btn-outline-dark:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-block {
    width: 100%;
}

/* 区块标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 顶部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    font-size: 12px;
    color: var(--text-lighter);
    letter-spacing: 2px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-list a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 5px 0;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-list li.active a {
    color: var(--primary-color);
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    padding: 10px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* 头部联系信息 */
.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.hotline {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.hotline i {
    margin-right: 8px;
    animation: phoneShake 2s infinite;
}

@keyframes phoneShake {
    0%, 100% { transform: rotate(0); }
    5% { transform: rotate(-10deg); }
    10% { transform: rotate(10deg); }
    15% { transform: rotate(-10deg); }
    20% { transform: rotate(10deg); }
    25% { transform: rotate(0); }
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 首页轮播图 */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 31, 113, 0.85) 0%, rgba(26, 95, 180, 0.7) 100%);
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 0 20px;
    margin-left: 10%;
    color: #fff;
}

.slide-content h2 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards 0.3s;
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 35px;
    opacity: 0.9;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards 0.5s;
}

.slide-btns {
    display: flex;
    gap: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards 0.7s;
}

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

/* 轮播图指示器 */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: #fff;
    transform: scale(1.2);
}

/* 轮播图箭头 */
.slider-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    pointer-events: none;
    z-index: 10;
}

.arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: auto;
}

.arrow:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
}

/* 数字化领域方案 */
.solutions-area {
    padding: 100px 0;
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.solution-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon i {
    font-size: 36px;
    color: #fff;
}

.solution-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.solution-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 15px;
}

.learn-more {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.learn-more:hover {
    gap: 12px;
}

/* 产品中心 */
.products-section {
    padding: 100px 0;
}

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

.product-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #e74c3c;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.product-content > p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-features {
    margin-bottom: 25px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-light);
    font-size: 15px;
}

.product-features li i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* 行业方案中心 */
.industry-solutions {
    padding: 100px 0;
    background: var(--bg-light);
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: #fff;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.industry-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.industry-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.industry-text > p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.industry-features {
    margin-bottom: 30px;
}

.industry-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.industry-features li i {
    color: var(--secondary-color);
    font-size: 20px;
}

.industry-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* 客户案例 */
.cases-section {
    padding: 100px 0;
}

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

.case-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.case-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.case-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
}

.case-industry {
    background: var(--primary-color);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.case-content > p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.read-more:hover {
    gap: 12px;
}

.cases-more {
    text-align: center;
}

/* 数据统计 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    color: #fff;
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* 新闻中心 */
.news-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.news-featured {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-featured .news-image {
    height: 250px;
}

.news-featured .news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured .news-content {
    padding: 30px;
}

.news-featured h3 {
    font-size: 22px;
    margin: 10px 0 15px;
}

.news-featured p {
    color: var(--text-light);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    background: #fff;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.news-date {
    font-size: 13px;
    color: var(--text-lighter);
}

.news-item h4 {
    margin: 10px 0;
    font-size: 17px;
}

.news-item h4 a {
    color: var(--text-color);
}

.news-item h4 a:hover {
    color: var(--primary-color);
}

.news-item p {
    color: var(--text-light);
    font-size: 14px;
}

.news-more {
    text-align: center;
    margin-top: 40px;
}

/* 公司介绍预览 */
.about-preview {
    padding: 100px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-text .section-title::after {
    margin-left: 0;
}

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

.about-btns {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* 底部版权 */
.footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo h3 {
    font-size: 28px;
    margin-bottom: 5px;
}

.footer-logo span {
    color: var(--text-lighter);
    font-size: 12px;
    letter-spacing: 2px;
}

.footer-desc {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: #fff;
}

/* 右侧浮动按钮 */
.floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-btn {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.float-btn i {
    font-size: 20px;
    color: var(--primary-color);
}

.float-btn span {
    position: absolute;
    right: 60px;
    background: var(--text-color);
    color: #fff;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-btn span::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--text-color);
}

.float-btn:hover span {
    opacity: 1;
    visibility: visible;
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-btn.highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.float-btn.highlight i {
    color: #fff;
}

.float-btn.back-top {
    background: rgba(0, 0, 0, 0.6);
}

.float-btn.back-top i {
    color: #fff;
}

.float-btn.back-top {
    opacity: 0;
    visibility: hidden;
}

.float-btn.back-top.visible {
    opacity: 1;
    visibility: visible;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-lighter);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 30px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* 内页通用样式 */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-header .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 15px;
}

.page-header .breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.page-header .breadcrumb a:hover {
    color: #fff;
}

.page-header .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.5);
}

.page-content {
    padding: 80px 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-list {
        gap: 25px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .container {
        height: 70px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-contact {
        display: none;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .slide-btns {
        flex-direction: column;
        gap: 10px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .industry-content,
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .floating-buttons {
        right: 10px;
        bottom: 80px;
    }
    
    .float-btn {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .products-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 200px;
    }
}

/* ==================== 内页样式 ==================== */

/* 联系页面样式 */
.contact-cards-section {
    padding: 60px 0;
    background: var(--bg-light);
}

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

.contact-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.contact-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-card-icon i {
    font-size: 28px;
    color: #fff;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 600;
}

.contact-note {
    font-size: 14px !important;
    color: var(--text-lighter) !important;
    font-weight: 400 !important;
}

.contact-main-section {
    padding: 80px 0;
}

.contact-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-wrapper h2,
.contact-map-wrapper h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.contact-form-wrapper > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.map-container {
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.map-info {
    background: #fff;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.map-info h4 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.map-info ul li {
    padding: 8px 0;
    color: var(--text-light);
}

.map-info ul li i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 关于页面样式 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-intro-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-intro-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* 资质部分 */
.qualifications-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.qualification-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.qualification-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

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

.qualification-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.qualification-card p {
    font-size: 14px;
    color: var(--text-lighter);
}

/* 企业文化 */
.culture-section {
    padding: 80px 0;
}

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

.culture-card {
    background: #fff;
    padding: 50px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.culture-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 10px;
}

.culture-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.culture-card p {
    color: var(--text-light);
}

/* 发展历程 */
.timeline-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
}

.timeline-content {
    background: #fff;
    padding: 25px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 350px;
    margin-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 0;
    margin-left: 40px;
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 14px;
}

/* 新闻页面样式 */
.news-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 25px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.news-full-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
}

.news-full-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-full-item:hover {
    box-shadow: var(--shadow-lg);
}

.news-full-image {
    height: 100%;
    min-height: 200px;
}

.news-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-full-content {
    padding: 30px;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.news-category {
    background: var(--primary-color);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
}

.news-full-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.news-full-content h3 a {
    color: var(--text-color);
}

.news-full-content h3 a:hover {
    color: var(--primary-color);
}

.news-full-content > p {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.page-btn {
    padding: 10px 18px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-btn.next {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 案例筛选 */
.cases-filter {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 500;
}

.filter-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-tag {
    padding: 8px 20px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.case-stats {
    display: flex;
    gap: 30px;
    margin: 20px 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.case-stats span {
    font-size: 14px;
    color: var(--text-light);
}

.case-stats strong {
    color: var(--primary-color);
    font-size: 24px;
    display: block;
}

/* 产品详情页样式 */
.product-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-intro-text h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.product-tagline {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.product-intro-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.product-btns {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.product-intro-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* 功能卡片 */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

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

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card ul li {
    padding: 8px 0;
    color: var(--text-light);
    border-bottom: 1px dashed var(--border-color);
}

.feature-card ul li:last-child {
    border-bottom: none;
}

/* 优势列表 */
.advantages-section {
    padding: 80px 0;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    gap: 25px;
    background: #fff;
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.advantage-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.advantage-content p {
    color: var(--text-light);
    font-size: 15px;
}

/* 软件选型页样式 */
.selection-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.selection-intro h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.selection-intro p {
    color: var(--text-light);
    line-height: 1.8;
}

.software-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.category-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

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

.category-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.software-list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.software-list li:last-child {
    border-bottom: none;
}

.software-list li a {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.software-list li a i {
    color: var(--secondary-color);
}

.software-list li a:hover {
    color: var(--primary-color);
}

/* 选型流程 */
.selection-process {
    background: var(--bg-light);
    padding: 60px;
    border-radius: var(--border-radius);
    margin-bottom: 60px;
}

.selection-process h2 {
    text-align: center;
    margin-bottom: 40px;
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.process-step {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 15px;
}

.process-step h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 14px;
    color: var(--text-light);
}

.process-arrow {
    color: var(--primary-color);
    font-size: 20px;
}

/* 咨询区域 */
.consultation-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 60px;
    border-radius: var(--border-radius);
    text-align: center;
    color: #fff;
}

.consultation-content h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.consultation-content p {
    opacity: 0.9;
    margin-bottom: 25px;
}

.consultation-content .btn {
    background: #fff;
    color: var(--primary-color);
}

.consultation-content .btn:hover {
    background: rgba(255,255,255,0.9);
}

/* 解决方案页样式 */
.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.solution-detail-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.solution-detail-card:hover {
    box-shadow: var(--shadow-lg);
}

.solution-detail-image {
    height: 100%;
    min-height: 300px;
}

.solution-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-detail-content {
    padding: 40px;
}

.solution-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: #fff;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 15px;
}

.solution-detail-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.solution-detail-content > p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.feature-tag {
    background: var(--bg-light);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-color);
}

/* 产品操作按钮 */
.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.product-actions .btn {
    flex: 1;
    padding: 10px 20px;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .contact-main-grid,
    .about-intro,
    .product-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }
    
    .timeline-year {
        left: 20px;
        transform: none;
    }
    
    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        margin-right: 0;
    }
    
    .news-full-item {
        grid-template-columns: 1fr;
    }
    
    .news-full-image {
        height: 200px;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
    
    .solution-detail-card {
        grid-template-columns: 1fr;
    }
    
    .solution-detail-image {
        height: 250px;
    }
    
    .selection-process {
        padding: 40px 30px;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .consultation-section {
        padding: 40px 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .contact-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .qualifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-icon {
        margin: 0 auto;
    }
}