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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

.container {
    width: 100%;
    max-width: 100.5917vw;
    margin: 0 auto;
    padding: 0 1.1834vw;
    /* padding: 0 200px; */
}

.container1 {
    width: 100%;
    max-width: 110.0592vw;
    margin: 0 auto;
    padding: 0 1.1834vw;
}

/* 颜色变量 */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-light: #7f8c8d;
    --text-dark: #2c3e50;
    --white: #ffffff;
    --border-color: #ddd;
    --shadow: 0 .1183vw .5917vw rgba(0, 0, 0, 0.1);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: .7101vw 1.7751vw;
    border: none;
    border-radius: .355vw;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: .9467vw;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-0.1183vw);
    box-shadow: 0 .2367vw .8876vw rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: .1183vw solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-0.1183vw);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1.1834vw 0;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.4201vw;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0;
}

.logo img {
    height: 2vw;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
}

.nav-links li {
    margin-left: 1.7751vw;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -0.2959vw;
    left: 0;
    width: 0;
    height: .1183vw;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.contact-btn {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: .5917vw 1.1834vw;
    border-radius: .355vw;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background-color: #2980b9;
    transform: translateY(-0.1183vw);
}

.contact-btn::after {
    display: none;
}

.bottom-btn {
    background-color: var(--secondary-color);
    color: var(--white) !important;
    padding: .5917vw 1.1834vw;
    border-radius: .355vw;
    transition: all 0.3s ease;
}

.bottom-btn:hover {
    background-color: #1a252f;
    transform: translateY(-0.1183vw);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    height: 1.2426vw;
}

.hamburger span {
    width: 1.4793vw;
    height: .1775vw;
    background-color: var(--text-dark);
    border-radius: .1775vw;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 8.8757vw 0 5.9172vw;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="none" width="1200" height="600"/><circle fill="rgba(255,255,255,0.1)" cx="200" cy="150" r="60"/><circle fill="rgba(255,255,255,0.05)" cx="800" cy="200" r="40"/><circle fill="rgba(255,255,255,0.08)" cx="1000" cy="450" r="80"/></svg>') repeat;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2.8402vw;
    font-weight: 700;
    margin-bottom: 1.1834vw;
    line-height: 1.2;
}

.hero-title .highlight {
    color: #ffd700;
}

.hero-subtitle {
    font-size: 1.0651vw;
    margin-bottom: 2.3669vw;
    opacity: 0.9;
    max-width: 35.503vw;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.1834vw;
    justify-content: center;
}

/* 页面横幅 */
.page-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 7.1006vw 0 3.5503vw;
    text-align: center;
    margin-top: 4.7337vw;
}

.page-banner h1 {
    font-size: 2.1302vw;
    margin-bottom: .8876vw;
    font-weight: 700;
}

.page-banner p {
    font-size: 1.0651vw;
    opacity: 0.9;
}

/* 通用标题 */
.section-title {
    text-align: center;
    font-size: 1.8935vw;
    margin-bottom: 2.9586vw;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5917vw;
    left: 50%;
    transform: translateX(-50%);
    width: 4.7337vw;
    height: .2367vw;
    background-color: var(--primary-color);
    border-radius: .1183vw;
}

/* 服务概览 */
.services-overview {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14.7929vw, 1fr));
    gap: 1.7751vw;
}

.service-card {
    background-color: var(--white);
    padding: 1.7751vw;
    border-radius: .5917vw;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-0.5917vw);
    box-shadow: 0 .4734vw 1.4793vw rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 2.3669vw;
    color: var(--primary-color);
    margin-bottom: 1.1834vw;
}

.service-card h3 {
    font-size: 1.1834vw;
    margin-bottom: .8876vw;
    color: var(--text-dark);
}

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

/* 优势展示 */
.advantages {
    padding: 2.9586vw 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 2.3669vw;
}

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

.advantage-number {
    font-size: 2.8402vw;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: .5917vw;
}

.advantage-item h3 {
    font-size: 1.1834vw;
    margin-bottom: .8876vw;
    color: var(--text-dark);
}

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

/* 新闻动态 */
.news {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.7751vw;
}

.news-card {
    background-color: var(--white);
    border-radius: .5917vw;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.news-card:hover {
    transform: translateY(-0.2959vw);
}

.news-content {
    padding: 1.4793vw;
}

.news-date {
    color: var(--primary-color);
    font-size: .8284vw;
    font-weight: 500;
}

.news-card h3 {
    font-size: 1.0651vw;
    margin: .5917vw 0 .8876vw;
    color: var(--text-dark);
}

.news-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: .8284vw;
}

/* 联系表单 */
.contact {
    padding: 2.9586vw 0;
}

.contact-grid {
    /* display: grid; */
    grid-template-columns: 1fr 1fr;
    gap: 2.9586vw;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.7751vw;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.1834vw;
}

.contact-item i {
    font-size: 1.4201vw;
    color: var(--primary-color);
    margin-top: .2959vw;
}

.contact-item h3 {
    margin-bottom: .2959vw;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.1834vw;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: .7101vw .8876vw;
    border: .0592vw solid var(--border-color);
    border-radius: .355vw;
    font-size: .9467vw;
    transition: border-color 0.3s ease;
}

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

.contact-form button {
    align-self: flex-start;
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 3.5503vw 0 1.1834vw;
    margin-top: 1.7751vw;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8.7929vw, 1fr));
    gap: 0.3669vw;
    margin-bottom: 1.3669vw;
}

.footer-section h3 {
    margin-bottom: 1.1834vw;
    font-size: 1.0651vw;
}

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

.footer-section ul li {
    margin-bottom: .5917vw;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.copyright {
    text-align: center;
    padding-top: 1.1834vw;
    border-top: .0592vw solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: .8284vw;
}

/* 研发流程 */
.process {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.7751vw;
}

.step {
    background-color: var(--white);
    border-radius: .5917vw;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.step-number {
    background-color: var(--primary-color);
    color: var(--white);
    width: 3.5503vw;
    height: 3.5503vw;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1834vw;
    font-weight: 700;
    margin: 1.1834vw auto;
}

.step-content {
    padding: 1.1834vw 1.7751vw 1.7751vw;
    text-align: center;
}

.step-content h3 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
}

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

/* 产品类型 */
.product-types {
    padding: 2.9586vw 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16.568vw, 1fr));
    gap: 1.7751vw;
}

.product-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-0.2959vw);
}

.product-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1.7751vw;
    text-align: center;
}

.product-icon i {
    font-size: 2.3669vw;
}

.product-content {
    padding: 1.4793vw;
}

.product-content h3 {
    color: var(--text-dark);
    margin-bottom: .5917vw;
    font-size: 1.1834vw;
}

.product-content p {
    color: var(--text-light);
    margin-bottom: 1.1834vw;
    line-height: 1.6;
}

.product-content ul {
    list-style: none;
    color: var(--text-light);
}

.product-content ul li {
    padding: .2959vw 0;
    position: relative;
    padding-left: 1.1834vw;
}

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

/* 技术栈 */
.tech-stack {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14.7929vw, 1fr));
    gap: 1.7751vw;
}

.tech-category h3 {
    color: var(--text-dark);
    margin-bottom: 1.1834vw;
    text-align: center;
    font-size: 1.0651vw;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: .5917vw;
    justify-content: center;
}

.tech-item {
    background-color: var(--primary-color);
    color: var(--white);
    padding: .4734vw .8876vw;
    border-radius: 1.1834vw;
    font-size: .8284vw;
    font-weight: 500;
}

/* 详细服务 */
.core-services {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(29.5858vw, 1fr));
    gap: 2.3669vw;
}

.service-detail-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.service-detail-card:hover {
    transform: translateY(-0.2959vw);
}

.service-detail-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2.3669vw;
    text-align: center;
}

.service-detail-icon i {
    font-size: 2.9586vw;
}

.service-detail-content {
    padding: 1.7751vw;
}

.service-detail-content h3 {
    color: var(--text-dark);
    margin-bottom: .5917vw;
    font-size: 1.3018vw;
}

.service-detail-content>p {
    color: var(--text-light);
    margin-bottom: 1.4793vw;
    line-height: 1.6;
}

.service-features,
.service-delivery {
    margin-bottom: 1.1834vw;
}

.service-features h4,
.service-delivery h4 {
    color: var(--text-dark);
    margin-bottom: .5917vw;
    font-size: .9467vw;
}

.service-features ul {
    list-style: none;
    color: var(--text-light);
    margin-bottom: .5917vw;
}

.service-features ul li {
    padding: .2959vw 0;
    position: relative;
    padding-left: 1.1834vw;
}

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

.service-delivery p {
    color: var(--text-light);
    background-color: #f8f9fa;
    padding: .8876vw;
    border-radius: .355vw;
    border-left: .2367vw solid var(--primary-color);
}

/* 时间线 */
.service-process {
    padding: 2.9586vw 0;
}

.timeline {
    position: relative;
    padding: 2.3669vw 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: .2367vw;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: .1183vw;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.3669vw;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 1.1834vw;
    height: 1.1834vw;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: .2367vw solid var(--white);
    box-shadow: 0 0 0 .2367vw rgba(52, 152, 219, 0.3);
}

.timeline-content {
    background-color: var(--white);
    padding: 1.4793vw;
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
    margin-right: 0;
}

.timeline-content h3 {
    color: var(--text-dark);
    margin-bottom: .5917vw;
    font-size: 1.0651vw;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: .5917vw;
}

.timeline-time {
    color: var(--primary-color);
    font-weight: 600;
    font-size: .8284vw;
}

/* 服务保障 */
.service-guarantee {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.7751vw;
}

.guarantee-item {
    background-color: var(--white);
    padding: 1.7751vw;
    border-radius: .5917vw;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.guarantee-item:hover {
    transform: translateY(-0.2959vw);
}

.guarantee-item i {
    font-size: 2.3669vw;
    color: var(--primary-color);
    margin-bottom: 1.1834vw;
}

.guarantee-item h3 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
    font-size: 1.0651vw;
}

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

/* 客户统计 */
.client-stats {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(11.8343vw, 1fr));
    gap: 2.3669vw;
    text-align: center;
}

.stat-item {
    padding: 1.1834vw;
}

.stat-number {
    font-size: 2.1302vw;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: .5917vw;
}

.stat-label {
    font-size: .9467vw;
    color: var(--text-light);
}

/* 客户案例 */
.client-cases {
    padding: 2.9586vw 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(23.6686vw, 1fr));
    gap: 1.7751vw;
}

.case-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-0.2959vw);
}

.case-image {
    position: relative;
    height: 11.8343vw;
    overflow: hidden;
}

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

.case-logo {
    position: absolute;
    bottom: .8876vw;
    right: .8876vw;
    background-color: var(--primary-color);
    color: var(--white);
    padding: .4734vw .8876vw;
    border-radius: 1.1834vw;
    font-size: .7101vw;
    font-weight: 600;
}

.case-content {
    padding: 1.4793vw;
}

.case-content h3 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
    font-size: 1.0651vw;
}

.case-info {
    display: flex;
    flex-wrap: wrap;
    gap: .8876vw;
    margin-bottom: .8876vw;
}

.case-detail {
    display: flex;
    align-items: center;
    gap: .2959vw;
    color: var(--text-light);
    font-size: .8284vw;
}

.case-detail i {
    color: var(--primary-color);
}

.case-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.1834vw;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .8876vw;
}

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

.result-number {
    display: block;
    font-size: 1.1834vw;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: .2959vw;
}

.result-label {
    font-size: .7101vw;
    color: var(--text-light);
}

/* 客户评价 */
.client-testimonials {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.7751vw;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.7751vw;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1.1834vw;
    right: 1.7751vw;
    font-size: 3.5503vw;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-content p {
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 1.1834vw;
    font-style: italic;
    font-size: .9467vw;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: .8876vw;
}

.testimonial-author img {
    width: 2.9586vw;
    height: 2.9586vw;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    margin: 0;
    color: var(--text-dark);
    font-size: .9467vw;
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
    font-size: .8284vw;
    font-style: normal;
}

/* 合作伙伴 */
.partners {
    padding: 2.9586vw 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8.8757vw, 1fr));
    gap: 1.7751vw;
    align-items: center;
}

.partner-logo {
    background-color: var(--light-color);
    padding: 1.1834vw;
    border-radius: .4734vw;
    text-align: center;
    color: var(--text-light);
    font-weight: 600;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-0.2959vw);
}

/* 项目概览 */
.project-overview {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14.7929vw, 1fr));
    gap: 1.7751vw;
}

.overview-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.7751vw;
    text-align: center;
    transition: transform 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-0.2959vw);
}

.overview-icon {
    margin-bottom: 1.1834vw;
}

.overview-icon i {
    font-size: 2.3669vw;
    color: var(--primary-color);
}

.overview-content h3 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
    font-size: 1.0651vw;
}

.overview-number {
    font-size: 1.8935vw;
    font-weight: 700;
    margin-bottom: .5917vw;
}

.overview-number.active {
    color: var(--primary-color);
}

.overview-number.success {
    color: var(--success-color);
}

.overview-number.pending {
    color: var(--warning-color);
}

.overview-number.team {
    color: #9b59b6;
}

.overview-content p {
    color: var(--text-light);
    font-size: .8284vw;
}

/* 项目卡片 */
.active-projects {
    padding: 2.9586vw 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20.7101vw, 1fr));
    gap: 1.7751vw;
}

.project-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.4793vw;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-0.2959vw);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.1834vw;
}

.project-title h3 {
    color: var(--text-dark);
    margin-bottom: .2959vw;
    font-size: 1.0651vw;
}

.project-type {
    background-color: var(--light-color);
    padding: .2367vw .7101vw;
    border-radius: .8876vw;
    font-size: .7101vw;
    color: var(--text-light);
}

.project-status {
    padding: .355vw .8876vw;
    border-radius: 1.1834vw;
    font-size: .7101vw;
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.in-progress {
    background-color: var(--warning-color);
    color: var(--white);
}

.project-progress {
    margin-bottom: 1.1834vw;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: .5917vw;
    font-size: .8284vw;
    color: var(--text-light);
}

.progress-bar {
    width: 100%;
    height: .4734vw;
    background-color: var(--light-color);
    border-radius: .2367vw;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--success-color);
    border-radius: .2367vw;
    transition: width 0.3s ease;
}

.project-details {
    display: flex;
    flex-direction: column;
    gap: .5917vw;
    margin-bottom: 1.1834vw;
}

.project-detail {
    display: flex;
    align-items: center;
    gap: .5917vw;
    color: var(--text-light);
    font-size: .8284vw;
}

.project-detail i {
    color: var(--primary-color);
    width: .9467vw;
}

.project-phases h4 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
    font-size: .9467vw;
}

.phase-timeline {
    display: flex;
    align-items: center;
    gap: .5917vw;
    flex-wrap: wrap;
}

.phase {
    padding: .355vw .7101vw;
    border-radius: .8876vw;
    font-size: .7101vw;
    position: relative;
}

.phase.completed {
    background-color: var(--success-color);
    color: var(--white);
}

.phase.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.phase:not(.completed):not(.active) {
    background-color: var(--light-color);
    color: var(--text-light);
}

/* 项目分析 */
.project-analytics {
    padding: 2.9586vw 0;
    background-color: var(--light-color);
}

.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.3669vw;
}

.analytics-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.7751vw;
}

.analytics-card h3 {
    color: var(--text-dark);
    margin-bottom: 1.4793vw;
    text-align: center;
}

.chart-container {
    height: 11.8343vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pie-chart {
    position: relative;
    width: 8.8757vw;
    height: 8.8757vw;
    border-radius: 50%;
    background: conic-gradient(#3498db 0deg 216deg,
            #27ae60 216deg 306deg,
            #f39c12 306deg 360deg);
}

.pie-segment {
    position: absolute;
    bottom: -2.3669vw;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.pie-segment span {
    font-size: .8284vw;
    color: var(--text-light);
}

.bar-chart {
    display: flex;
    align-items: end;
    gap: 1.1834vw;
    height: 100%;
    width: 100%;
}

.bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.bar::before {
    content: '';
    width: 2.3669vw;
    background: linear-gradient(to top, var(--primary-color), #7fb3d5);
    border-radius: .2367vw .2367vw 0 0;
    transition: height 0.3s ease;
}

.bar:nth-child(1)::before {
    height: 60%;
}

.bar:nth-child(2)::before {
    height: 80%;
}

.bar:nth-child(3)::before {
    height: 75%;
}

.bar:nth-child(4)::before {
    height: 90%;
}

.bar:nth-child(5)::before {
    height: 70%;
}

.bar-value {
    position: absolute;
    top: -1.1834vw;
    font-size: .7101vw;
    font-weight: 600;
    color: var(--text-dark);
}

.bar-label {
    margin-top: .5917vw;
    font-size: .7101vw;
    color: var(--text-light);
}

/* 团队效率 */
.team-efficiency {
    padding: 2.9586vw 0;
}

.efficiency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.7751vw;
}

.efficiency-card {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.4793vw;
    border-left: .2367vw solid var(--primary-color);
}

.efficiency-card h3 {
    color: var(--text-dark);
    margin-bottom: 1.1834vw;
    font-size: 1.0651vw;
}

.efficiency-metrics {
    display: flex;
    justify-content: space-between;
    gap: .8876vw;
}

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

.metric-value {
    display: block;
    font-size: .9467vw;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: .2959vw;
}

.metric-label {
    font-size: .7101vw;
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 60.5917vw) {
    .container {
        max-width: 56.8047vw;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.7751vw;
    }

    .timeline::before {
        left: 1.1834vw;
    }

    .timeline-marker {
        left: 1.1834vw;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 3.5503vw;
        margin-right: 1.1834vw;
    }
}

@media (max-width: 45.4438vw) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 4.7337vw;
        left: -100%;
        width: 100%;
        height: calc(100vh - 4.7337vw);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2.3669vw;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: .8876vw 0;
    }

    .hero-title {
        font-size: 2.1302vw;
    }

    .hero-subtitle {
        font-size: .9467vw;
    }

    .hero-buttons {
        flex-direction: column;
        gap: .8876vw;
    }

    .section-title {
        font-size: 1.6568vw;
    }

    .services-detail-grid {
        grid-template-columns: 1fr;
    }

    .case-results {
        grid-template-columns: 1fr;
        gap: .5917vw;
    }

    .efficiency-metrics {
        flex-direction: column;
        gap: .5917vw;
    }

    .phase-timeline {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 28.4024vw) {
    .container {
        padding: 0 .8876vw;
    }

    .hero-title {
        font-size: 1.6568vw;
    }

    .hero {
        padding: 7.1006vw 0 3.5503vw;
    }

    .page-banner {
        padding: 5.9172vw 0 2.3669vw;
    }

    .section-title {
        font-size: 1.4201vw;
        margin-bottom: 1.7751vw;
    }

    .services-overview,
    .advantages,
    .news,
    .contact,
    .process,
    .product-types,
    .tech-stack,
    .core-services,
    .service-process,
    .service-guarantee,
    .client-stats,
    .client-cases,
    .client-testimonials,
    .partners,
    .project-overview,
    .active-projects,
    .project-analytics,
    .team-efficiency {
        padding: 3.5503vw 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.7751vw;
        text-align: center;
    }
}

/* 轮播图样式 */
.hero-carousel {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 23.6686vw;
    overflow: hidden;
    /* margin-top: 4.7337vw; */
}

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

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%); */
}

.carousel-content {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    z-index: 1;
    padding: 0 1.1834vw;
}

.carousel-content h2 {
    font-size: 2.8402vw;
    font-weight: 700;
    margin-bottom: 1.1834vw;
    line-height: 1.2;
}

.carousel-content p {
    font-size: 1.0651vw;
    margin-bottom: 1.7751vw;
    max-width: 35.503vw;
    opacity: 0.9;
}

.carousel-controls {
    position: absolute;
    bottom: 1.7751vw;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: .5917vw;
    z-index: 2;
}

.carousel-dot {
    width: .7101vw;
    height: .7101vw;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background-color: var(--white);
    transform: scale(1.2);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.9586vw;
    height: 2.9586vw;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.4201vw;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.carousel-arrow:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.carousel-arrow.prev {
    left: 1.7751vw;
}

.carousel-arrow.next {
    right: 1.7751vw;
}

/* 导航栏下拉菜单 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 11.8343vw;
    box-shadow: 0 .4734vw .9467vw rgba(0, 0, 0, 0.1);
    border-radius: .355vw;
    z-index: 1001;
    margin-top: .5917vw;
    opacity: 0;
    transform: translateY(-0.5917vw);
    transition: all 0.3s ease;
}

/* 移除CSS hover行为，由JavaScript控制 */
.dropdown.active .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-content a {
    color: var(--text-dark);
    padding: .7101vw 1.1834vw;
    text-decoration: none;
    display: block;
    /* font-size: .8284vw; */
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: .1775vw solid transparent;
}

.dropdown-content a:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
    border-left: .1775vw solid var(--primary-color);
}

.dropdown-content a.active {
    background-color: var(--light-color);
    color: var(--primary-color);
    border-left: .1775vw solid var(--primary-color);
    font-weight: 600;
}

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

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -0.4734vw;
    left: 1.1834vw;
    width: 0;
    height: 0;
    border-left: .4734vw solid transparent;
    border-right: .4734vw solid transparent;
    border-bottom: .4734vw solid var(--white);
}

/* 项目展示轮播 */
.project-showcase {
    padding: 4.7337vw 0;
    padding-top: 1.1834vw;
    background-color: var(--light-color);
}

.project-carousel-container,
.project-carousel {
    position: relative;
    overflow: hidden;
    margin-top: 2.3669vw;
}

.project-carousel-track {
    display: flex;
    transition: transform 0.6s ease;
}

.project-carousel-wrapper {
    display: flex;
    align-items: center;
    gap: 1.1834vw;
    margin-bottom: 1.1834vw;
}

.project-carousel-arrow {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 2.3669vw;
    height: 2.3669vw;
    font-size: 1.0651vw;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.project-carousel-arrow:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.project-carousel-arrow.prev {
    order: -1;
}

.project-carousel-arrow.next {
    order: 1;
}

.project-carousel-track {
    flex: 1;
    position: relative;
}

.project-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.project-slide.active {
    position: relative;
    opacity: 1;
}

.project-slide {
    min-width: 100%;
    padding: 0 .8876vw;
}

.project-showcase-card {
    background: var(--white);
    border-radius: .7101vw;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.project-showcase-card:hover {
    transform: translateY(-0.2959vw);
}

.project-showcase-image {
    height: 30.7692vw;
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-showcase-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
}

.project-showcase-content {
    padding: 2.071vw;
}

.project-showcase-content h3 {
    color: var(--text-dark);
    font-size: 1.4201vw;
    margin-bottom: .8876vw;
}

.project-showcase-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.4793vw;
    font-size: .9467vw;
}

.project-showcase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .4734vw;
}

.project-tag {
    background-color: var(--primary-color);
    color: var(--white);
    padding: .355vw .9467vw;
    border-radius: 1.1834vw;
    font-size: .7692vw;
    font-weight: 500;
}

/* 产品详情页面布局 */
.product-detail {
    margin-top: 4.7337vw;
    min-height: calc(100vh - 10.0592vw);
}

.product-detail1 {
    margin-top: 4.7337vw;
    min-height: calc(100vh - 11.8343vw);
}

/* 确保HTML和body元素撑满全屏 */
html,
body {
    min-height: 100vh;
}

body {
    display: flex;
    flex-direction: column;
}

.product-detail {
    flex: 1;
}

.product-layout {
    display: grid;
    grid-template-columns: 23.6686vw 1fr;
    gap: 2.3669vw;
    padding: 1.7751vw 0;
    padding-bottom: 0;
    min-height: calc(100vh - 11.8343vw);
}

.product-layout1 {
    /* display: grid; */
    grid-template-columns: 17.7515vw 1fr;
    gap: 2.3669vw;
    /* padding: 1.7751vw 0; */
    padding-bottom: 0;
    min-height: calc(100vh - 11.8343vw);
}


.product-sidebar {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    padding: 1.4793vw;
    height: 100%;
    min-height: calc(100vh - 16.568vw);
    align-self: start;
}

.product-sidebar h2 {
    color: var(--text-dark);
    margin-bottom: 1.1834vw;
    font-size: 1.3018vw;
}

.product-list {
    list-style: none;
}

.product-item {
    padding: .8876vw 0;
    border-bottom: .0592vw solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: .5917vw;
}

.product-item i {
    width: 1.1834vw;
    text-align: center;
}

.product-item:hover,
.product-item.active {
    color: var(--primary-color);
    border-left: .1775vw solid var(--primary-color);
    padding-left: .5917vw;
}

.product-item:last-child {
    border-bottom: none;
}

.product-main {
    background-color: var(--white);
    border-radius: .5917vw;
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 100%;
    /* max-width: 75.0059vw; */
    /* margin: auto; */
}

.product-main-content {
    padding: 1.7751vw;
    min-height: calc(100vh - 16.568vw);
}

.product-main-content h1 {
    color: var(--text-dark);
    font-size: 1.6568vw;
    margin-bottom: 1.1834vw;
}

.product-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.7751vw;
    font-size: .9467vw;
}

.product-gallery {
    margin-top: 1.7751vw;
}

.product-gallery h3 {
    color: var(--text-dark);
    margin-bottom: 1.1834vw;
    font-size: 1.1834vw;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(35.503vw, 1fr));
    gap: 1.1834vw;
}

.gallery-item {
    border-radius: .4734vw;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gallery-image {
    width: 100%;
    height: 37.2781vw;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-image:hover {
    transform: scale(1.05);
}



.gallery-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 71.0059vw;
    margin: 0 auto;
    position: relative;
}

.thumbnails-wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    background: #f8f9fa;
    border-radius: .4734vw;
    box-shadow: 0 .1183vw .5917vw rgba(0, 0, 0, 0.1);
}

.thumbnails-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 7.1006vw;
    /* 固定高度，确保抽屉效果 */
}

.thumbnails {
    display: flex;
    gap: .5917vw;
    padding: .5917vw 0;
    position: relative;
    left: 0;
    transition: left 0.3s ease;
}

.thumbnail-item {
    width: 5.9172vw;
    height: 5.9172vw;
    object-fit: cover;
    cursor: pointer;
    position: relative;
    border: .1183vw solid transparent;
    flex-shrink: 0;
}

.thumbnail-item.active {
    border-color: #4285f4;
}

.thumbnail-item.video::after {
    content: "▶";
    /* content: url(images/视频.png); */
    position: absolute;
    top: .2959vw;
    right: .2959vw;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    /* width: 1.1834vw; */
    /* height: 1.1834vw; */
    width: 1.4793vw;
    height: 1.4793vw;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7101vw;
    z-index: 10;
}

.thumbnail-img {
    width: 5.9172vw;
    height: 5.9172vw;
    object-fit: cover;
    cursor: pointer;
    position: relative;
    border: .1183vw solid transparent;
    flex-shrink: 0;
}

#main-display {
    width: 71.0059vw;
    height: 39.9408vw;
    /* 16:9 aspect ratio (71.0059 / 16 * 9) */
    border-radius: 1.1834vw;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 1.1834vw;
}

#main-img {
    max-width: 100%;
    /* max-height: 100%; */
    /* width: 100%; */
    height: 100%;
    border-radius: 1.1834vw;
    display: block;
}

#main-video {
    max-width: 100%;
    max-height: 100%;
    display: none;
}

.main-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 2.3669vw;
    height: 4.7337vw;
    font-size: 1.4201vw;
    cursor: pointer;
    z-index: 10;
}

#prev-btn {
    left: 0;
    border-radius: 0 .5917vw .5917vw 0;
}

#next-btn {
    right: 0;
    border-radius: .5917vw 0 0 .5917vw;
}

#thumb-prev-btn {
    border-radius: .5917vw 0 0 .5917vw;
}

#thumb-next-btn {
    border-radius: 0 .5917vw .5917vw 0;
}

.thumb-nav-btn {
    flex-shrink: 0;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 2.9586vw;
    height: 7.1006vw;
    /* 与小图容器高度一致 (5.9172vw缩略图 + .5917vw*2上下padding) */
    font-size: 1.4201vw;
    cursor: pointer;
    transition: background 0.3s ease;
}

.thumb-nav-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.thumb-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.thumbnails-wrapper::-webkit-scrollbar {
    display: none;
    /* 隐藏滚动条 */
}


.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

/* 确保内容区域能正确扩展 */
.product-main-content {
    display: flex;
    flex-direction: column;
}

.product-description {
    flex: 1;

    .descTitle {
        color: #000;
        font-weight: 700;
    }
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16.568vw, 1fr));
    gap: 2.9586vw;
    margin-top: 2.071vw;
}

.feature-item {
    text-align: center;
    padding: 1.4793vw;
    background-color: var(--light-color);
    border-radius: .5917vw;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: .0592vw solid var(--border-color);
}

.feature-item:hover {
    transform: translateY(-0.4734vw);
    box-shadow: 0 .5917vw 1.4793vw rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 2.1302vw;
    color: var(--primary-color);
    margin-bottom: 1.1834vw;
}

.feature-item h4 {
    margin-bottom: .7101vw;
    color: var(--text-dark);
    font-size: 1.0651vw;
}

.case-studies {
    margin-top: 2.071vw;
}

.case-study {
    padding: 1.4793vw;
    margin-bottom: 1.4793vw;
    background-color: var(--light-color);
    border-radius: .5917vw;
    border-left: .2959vw solid var(--primary-color);
    box-shadow: 0 .2367vw .8876vw rgba(0, 0, 0, 0.05);
}

.case-study h4 {
    color: var(--text-dark);
    margin-bottom: .8876vw;
    font-size: 1.0651vw;
}

.case-tags {
    margin-top: .8876vw;
}

.case-tags span {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: .2959vw .8876vw;
    border-radius: 1.1834vw;
    margin-right: .5917vw;
    margin-bottom: .4734vw;
    font-size: .7692vw;
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18.9349vw, 1fr));
    gap: 1.7751vw;
    margin-top: 2.071vw;
}

.tech-category h4 {
    color: var(--text-dark);
    margin-bottom: 1.1834vw;
    padding-bottom: .5917vw;
    border-bottom: .1775vw solid var(--primary-color);
    font-size: 1.0651vw;
}

.tech-category ul {
    list-style: none;
    color: var(--text-light);
}

.tech-category ul li {
    padding: .5917vw 0;
    padding-left: 1.4793vw;
    position: relative;
    border-bottom: .0592vw dotted var(--border-color);
}

.tech-category ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.1834vw;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17.7515vw, 1fr));
    gap: 1.4793vw;
    margin-top: 2.071vw;
}

.application-item {
    text-align: center;
    padding: 1.4793vw;
    background-color: white;
    border: .0592vw solid var(--border-color);
    border-radius: .5917vw;
    transition: all 0.3s ease;
}

.application-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-0.2959vw);
    box-shadow: 0 .4734vw 1.1834vw rgba(0, 0, 0, 0.1);
}

.application-item i {
    font-size: 1.8935vw;
    color: var(--primary-color);
    margin-bottom: .8876vw;
}

.advantages-list {
    margin-top: 1.7751vw;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.4793vw;
    padding: 1.1834vw;
    background-color: white;
    border-radius: .5917vw;
    border-left: .2367vw solid var(--primary-color);
}

.advantage-item i {
    font-size: 1.4201vw;
    color: var(--primary-color);
    margin-right: 1.1834vw;
    margin-top: .2959vw;
}

.advantage-item h4 {
    color: var(--text-dark);
    margin-bottom: .5917vw;
    font-size: .9467vw;
}

.timeline {
    margin-top: 1.7751vw;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2.9586vw;
    top: 0;
    bottom: 0;
    width: .1183vw;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.7751vw;
    padding-left: 4.7337vw;
}

.timeline-year {
    position: absolute;
    left: 0;
    width: 2.3669vw;
    height: 2.3669vw;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: .7101vw;
}

.support-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16.568vw, 1fr));
    gap: 1.4793vw;
    margin-top: 2.071vw;
}

.support-item {
    text-align: center;
    padding: 1.4793vw;
    background-color: white;
    border: .0592vw solid var(--border-color);
    border-radius: .5917vw;
    transition: all 0.3s ease;
}

.support-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-0.2959vw);
    box-shadow: 0 .4734vw 1.1834vw rgba(0, 0, 0, 0.1);
}

.support-item i {
    font-size: 1.6568vw;
    color: var(--primary-color);
    margin-bottom: .8876vw;
}

.future-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14.7929vw, 1fr));
    gap: 1.4793vw;
    margin-top: 2.071vw;
}

.plan-item {
    text-align: center;
    padding: 1.4793vw;
    background-color: var(--light-color);
    border-radius: .5917vw;
    transition: all 0.3s ease;
}

.plan-item:hover {
    transform: translateY(-0.2959vw);
    box-shadow: 0 .4734vw 1.1834vw rgba(0, 0, 0, 0.1);
}

.plan-item i {
    font-size: 1.6568vw;
    color: var(--primary-color);
    margin-bottom: .8876vw;
}

/* 响应式调整 */
@media (max-width: 60.5917vw) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 1.7751vw;
    }

    .product-sidebar {
        position: static;
        order: 2;
    }

    .carousel-content h2 {
        font-size: 2.1302vw;
    }
}

.project-carousel-indicators {
    display: flex;
    justify-content: center;
    gap: .5917vw;
    margin-top: 1.1834vw;
}

.project-dot {
    width: .7101vw;
    height: .7101vw;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.project-dot.active {
    background: var(--primary-color);
    transform: scale(1.1);
}

@media (max-width: 45.4438vw) {
    .hero-carousel {
        height: 60vh;
        min-height: unset;
    }

    .carousel-content h2 {
        font-size: 1.6568vw;
    }

    .carousel-content p {
        font-size: .9467vw;
    }

    .carousel-arrow {
        width: 2.3669vw;
        height: 2.3669vw;
        font-size: 1.1834vw;
    }

    .carousel-arrow.prev {
        left: .8876vw;
    }

    .carousel-arrow.next {
        right: .8876vw;
    }

    .project-carousel-wrapper {
        gap: .5917vw;
    }

    .project-carousel-arrow {
        width: 2.071vw;
        height: 2.071vw;
        font-size: .9467vw;
    }

    .project-slide {
        padding: 0;
    }

    .dropdown-content {
        position: static;
        opacity: 1;
        transform: none;
        box-shadow: none;
        margin-top: 0;
        display: none;
    }

    .dropdown.active .dropdown-content {
        display: block;
    }
}

@media (max-width: 28.4024vw) {
    .hero-carousel {
        height: 60vh;
    }

    .carousel-content h2 {
        font-size: 1.4201vw;
    }

    .project-carousel-container {
        margin: 0 -0.8876vw;
    }

    .project-slide {
        padding: 0 .5917vw;
    }
}

.hero-visual {
    flex: 1;
    max-width: 71.0059vw;
    margin: auto;
    position: relative;
    height: 34.6667vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(46, 62, 80, 0.1) 100%);
    overflow: hidden;
    border-radius: 1.6vw;
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(52,152,219,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>'); */
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.0667vw;
    border-radius: 2vw;
    /* box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1); */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6vw;
    animation: float 8s ease-in-out infinite;
    /* border: 1px solid rgba(255, 255, 255, 0.2); */
    transition: all 0.3s ease;
    /* min-width: 120px; */
}

.floating-card:hover {
    transform: scale(1.1) translateY(-10px);
    box-shadow: 0 2.6667vw 5.3333vw rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.98);
}


.floating-card img {
    border-radius: 12px;
    transition: transform 0.3s ease;
    width: 6vw;
    /* box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); */
}

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

.floating-card span {
    font-size: 2vw;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
    transition: color 0.3s ease;
}

.floating-card:hover span {
    color: #3498db;
}

.floating-card i {
    font-size: 4.2667vw;
    color: #4F46E5;
}

.card1 {
    top: 30%;
    left: 4%;
    animation-delay: 0s;
}

.card2 {
    top: 72%;
    right: 5%;
    animation-delay: -2s;
}

.card3 {
    bottom: 3%;
    left: 21%;
    animation-delay: -4s;
}

.card4 {
    top: 27%;
    left: 17%;
    animation-delay: -6s;
}

.card5 {
    top: 8%;
    right: 25%;
    animation-delay: -8s;
}

.card6 {
    bottom: 35%;
    right: 9%;
    animation-delay: -10s;
}

.card7 {
    bottom: 42%;
    left: 44%;
    animation-delay: -1s;
}

.card8 {
    top: 6%;
    left: 46%;
    animation-delay: -3s;
}

.card9 {
    bottom: 1%;
    right: 50%;
    animation-delay: -5s;
}

.card10 {
    bottom: 7%;
    right: 37%;
    animation-delay: -7s;
}

.card11 {
    top: 11%;
    right: 6%;
    animation-delay: -9s;
}

.card12 {
    top: 44%;
    left: 30%;
    animation-delay: -11s;
}

.card13 {
    top: 38%;
    right: 24%;
    animation-delay: -2s;
    img{
        width: 10.6667vw;
    }
}

.card14 {
    bottom: 12%;
    left: 65%;
    animation-delay: -4s;
}

.card15 {
    top: 10%;
    left: 4%;
    animation-delay: -13s;
    background-color: #d51812;
    img{
        width: 10.6667vw;
    }
}
.card15:hover{
    background-color: #d51812;
}
.card16 {
    top: 11%;
    left: 27%;
    animation-delay: -14s;
    img{
        width: 8vw;
    }
}
.card17 {
    top: 77%;
    left: 3%;
    animation-delay: -15s;
    img{
        width: 8vw;
    }
}
.card18 {
    top: 57%;
    left: 5%;
    animation-delay: -16s;
    img{
        width: 8vw;
    }
}

.grid-pattern {
    /* position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(79, 70, 229, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 70, 229, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite; */
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) translateX(0px);
    }

    25% {
        transform: translateY(-15px) translateX(5px);
    }

    50% {
        transform: translateY(-25px) translateX(-3px);
    }

    75% {
        transform: translateY(-10px) translateX(8px);
    }
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}