/* 基础样式设置 */
:root {
    --primary-color: #333333;
    --secondary-color: #555555;
    --accent-color: #888888;
    --dark-color: #121212;
    --light-color: #f8f9fa;
    --text-color: #333;
    --light-text: #fff;
    --gray-color: #6c757d;
    --border-color: #e9ecef;
    --gradient: linear-gradient(135deg, var(--dark-color), var(--secondary-color));
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

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

.btn-primary {
    display: inline-block;
    background: var(--gradient);
    color: var(--light-text);
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(51, 51, 51, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(51, 51, 51, 0.4);
    color: var(--light-text);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--gradient);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-intro {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--gray-color);
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 15px 0;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    margin-right: 15px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

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

.logo-text p {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin: 0;
}

nav ul {
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

nav ul li a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

nav ul li a:hover:before {
    width: 100%;
}

/* 英雄区域样式 */
.hero {
    background: url('images/顶部.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--light-text);
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.35), rgba(51, 51, 51, 0.25));
    z-index: 1;
}

/* 添加3D网格背景 */
.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    perspective: 1000px;
    transform-style: preserve-3d;
    transform: rotateX(60deg);
    z-index: 2;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 50px;
    }
}

/* 添加动态背景元素 */
.hero:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center bottom;
    opacity: 0.7;
    z-index: 3;
}

.hero .container {
    position: relative;
    z-index: 6;
}

/* 添加浮动粒子效果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 15s infinite linear;
}

.hero-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    width: 8px;
    height: 8px;
    animation-duration: 20s;
    animation-delay: 0s;
}

.hero-particle:nth-child(2) {
    top: 60%;
    left: 20%;
    width: 12px;
    height: 12px;
    animation-duration: 25s;
    animation-delay: 2s;
}

.hero-particle:nth-child(3) {
    top: 40%;
    left: 50%;
    width: 7px;
    height: 7px;
    animation-duration: 18s;
    animation-delay: 4s;
}

.hero-particle:nth-child(4) {
    top: 10%;
    left: 70%;
    width: 10px;
    height: 10px;
    animation-duration: 22s;
    animation-delay: 6s;
}

.hero-particle:nth-child(5) {
    top: 70%;
    left: 85%;
    width: 9px;
    height: 9px;
    animation-duration: 24s;
    animation-delay: 8s;
}

.hero-particle:nth-child(6) {
    top: 30%;
    left: 30%;
    width: 11px;
    height: 11px;
    animation-duration: 21s;
    animation-delay: 10s;
}

.hero-particle:nth-child(7) {
    top: 80%;
    left: 40%;
    width: 6px;
    height: 6px;
    animation-duration: 19s;
    animation-delay: 12s;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px) rotate(360deg) scale(0.5);
        opacity: 0;
    }
}

/* 添加光线效果 */
.hero-light {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    transform: rotate(-45deg);
    animation: rotate 30s infinite linear;
    z-index: 5;
    pointer-events: none;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    max-width: 700px;
    animation: fadeIn 1.5s ease-out forwards;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 公司简介样式 */
.about {
    padding: 120px 0 80px;
    background-color: #fff;
}

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

.about-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

/* 应用场景样式 */
.applications {
    padding: 80px 0;
    background-image: url('images/应用场景-背景.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.applications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.applications .container {
    position: relative;
    z-index: 2;
}

.applications .section-header h2,
.applications .section-intro {
    color: #fff;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
}

.application-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.application-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    background-color: #ff8c00;
    color: #fff;
}

.application-card:hover h3 {
    color: #fff;
}

.application-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.application-icon i {
    font-size: 30px;
    color: #fff;
}

.application-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* 工作流程样式 */
.workflow {
    padding: 80px 0;
    background-color: #fff;
}

.workflow-container {
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-item {
    display: flex;
    margin-bottom: 60px;
    position: relative;
    align-items: center;
}

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

.workflow-image {
    flex: 0 0 45%;
    margin-right: 30px;
}

.workflow-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.workflow-image img:hover {
    transform: scale(1.03);
}

.workflow-content {
    flex: 1;
    display: flex;
    align-items: center;
}

.workflow-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 20px;
    box-shadow: 0 5px 15px rgba(51, 51, 51, 0.3);
}

.workflow-text h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

/* 部署概况样式 */
.deployment {
    background-color: #f9f9f9;
    padding: 100px 0;
    position: relative;
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 100%;
}

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

.timeline-badge {
    position: absolute;
    width: 50px;
    height: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px rgba(51, 51, 51, 0.1);
    z-index: 1;
}

.timeline-badge i {
    color: var(--light-text);
    font-size: 1.5rem;
}

.timeline-content {
    position: relative;
    width: calc(50% - 40px);
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

/* 左侧内容 */
.timeline-item:nth-child(odd) .timeline-content {
    float: left;
    text-align: right;
}

/* 右侧内容 */
.timeline-item:nth-child(even) .timeline-content {
    float: right;
}

/* 清除浮动 */
.timeline-item:after {
    content: '';
    display: table;
    clear: both;
}

/* 添加指向中线的箭头 */
.timeline-content:before {
    content: '';
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border-style: solid;
}

/* 左侧箭头 */
.timeline-item:nth-child(odd) .timeline-content:before {
    right: -15px;
    border-width: 10px 0 10px 15px;
    border-color: transparent transparent transparent white;
}

/* 右侧箭头 */
.timeline-item:nth-child(even) .timeline-content:before {
    left: -15px;
    border-width: 10px 15px 10px 0;
    border-color: transparent white transparent transparent;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.timeline-content ul, .timeline-content ol {
    padding-left: 20px;
}

.timeline-content li {
    margin-bottom: 8px;
}

.timeline-content strong {
    color: var(--dark-color);
}

/* 部署案例样式 */
.case-studies {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.case-studies::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.1) 0%, rgba(255, 140, 0, 0) 70%);
    z-index: 0;
}

.case-studies::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(51, 51, 51, 0.1) 0%, rgba(51, 51, 51, 0) 70%);
    z-index: 0;
}

.case-study-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.case-study-item {
    display: flex;
    flex-direction: row;
    background: linear-gradient(135deg, #ffffff, #f8f8f8);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    align-items: center;
    border-left: 5px solid transparent;
    position: relative;
}

.case-study-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 140, 0, 0.05), transparent);
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-study-item:nth-child(1) {
    border-left-color: #ff8c00;
}

.case-study-item:nth-child(2) {
    border-left-color: #3498db;
}

.case-study-item:nth-child(3) {
    border-left-color: #2ecc71;
}

/* 第二个案例图片在右侧 */
.case-study-item:nth-child(even) {
    flex-direction: row-reverse;
    border-left: none;
    border-right: 5px solid transparent;
}

.case-study-item:nth-child(even)::before {
    background: linear-gradient(to left, rgba(255, 140, 0, 0.05), transparent);
}

.case-study-item:nth-child(2) {
    border-right-color: #3498db;
}

.case-study-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.case-study-item:hover::before {
    opacity: 1;
}

.case-study-image {
    width: 40%;
    height: 300px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

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

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

.case-study-content {
    padding: 25px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

/* 第二个案例标题装饰线位置调整 */
.case-study-item:nth-child(even) .case-study-content h3:after {
    left: auto;
    right: 0;
}

.case-study-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
    transition: color 0.3s ease;
}

.case-study-content h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.case-study-item:hover .case-study-content h3:after {
    width: 100px;
}

.case-study-content p {
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.7;
    font-size: 0.95rem;
    position: relative;
}

/* 部署案例总结样式 */
.case-study-summary {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.03), rgba(51, 51, 51, 0.05));
    border-radius: 15px;
    text-align: center;
    position: relative;
    z-index: 1;
    border-top: 3px solid rgba(255, 140, 0, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.case-study-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="2" cy="2" r="1" fill="%23ff8c00" fill-opacity="0.1"/></svg>');
    opacity: 0.5;
    z-index: -1;
    border-radius: 15px;
}

.case-study-summary p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--dark-color);
    max-width: 900px;
    margin: 0 auto;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background-color: #fff;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.contact-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
    z-index: -1;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(51, 51, 51, 0.3);
}

.contact-icon i {
    font-size: 32px;
    color: #fff;
}

.contact-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--dark-color);
}

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

.social-contact {
    text-align: center;
    padding: 30px;
    background-color: #f0f0f0;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.social-contact h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icon {
    width: 60px;
    height: 60px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-icon:hover {
    background: var(--gradient);
    color: var(--light-text);
    transform: translateY(-5px);
}

/* 页脚样式 */
footer {
    background-color: #1a1a1a;
    color: var(--light-text);
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 45px;
    width: auto;
    margin-right: 15px;
    filter: brightness(0) invert(1); /* 将logo变为白色 */
}

.footer-logo-text h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--light-text);
}

.footer-logo-text p {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-link-group h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--light-text);
}

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

.footer-link-group ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-link-group ul li a:hover {
    color: var(--light-text);
}

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

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

.social-links a:hover {
    background: var(--gradient);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-content,
    .workflow-item {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo img {
        height: 40px;
    }
    
    .workflow-item {
        margin-bottom: 60px;
    }
    
    .workflow-image {
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .workflow-content {
        width: 100%;
    }
    
    /* 部署案例响应式 */
    .case-study-item,
    .case-study-item:nth-child(even) {
        flex-direction: column;
        align-items: stretch;
    }
    
    .case-study-image {
        width: 100%;
        height: 250px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 恢复所有案例标题装饰线位置 */
    .case-study-item:nth-child(even) .case-study-content h3:after {
        left: 0;
        right: auto;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 0;
    }
    
    .logo img {
        height: 40px;
        margin-right: 10px;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .logo-text p {
        font-size: 0.8rem;
    }
    
    nav ul {
        display: none;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .contact-cards {
        flex-direction: column;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    /* 时间线移动端适配 */
    .timeline-container::before {
        left: 30px;
        transform: none;
    }
    
    .timeline-badge {
        left: 30px;
        transform: none;
    }
    
    .timeline-badge i {
        font-size: 1.2rem;
    }
    
    .timeline-item {
        padding-left: 0;
    }
    
    .timeline-content {
        width: calc(100% - 70px);
        float: right !important;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content:before,
    .timeline-item:nth-child(even) .timeline-content:before {
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent white transparent transparent;
    }
    
    /* 部署案例响应式 */
    .case-study-content {
        padding: 20px;
        align-items: flex-start; /* 在移动设备上左对齐内容 */
    }
    
    .case-study-content h3 {
        font-size: 1.3rem;
    }
    
    .case-study-image {
        height: 200px;
    }
    
    .case-study-content p {
        font-size: 0.9rem;
    }
}

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

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