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

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
    color: #2c3e50;
}

.nav-logo i {
    margin-right: 10px;
    color: #667eea;
    font-size: 1.2em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, #fff, transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, #fff, transparent),
        radial-gradient(2px 2px at 160px 30px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px) translateX(0px); }
    33% { transform: translateY(-10px) translateX(10px); }
    66% { transform: translateY(5px) translateX(-5px); }
    100% { transform: translateY(0px) translateX(0px); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5em;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.company-name {
    display: block;
    font-size: 1em;
    margin-bottom: 15px;
}

.tagline {
    display: block;
    font-size: 0.6em;
    opacity: 0.9;
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.3em;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin: 40px 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.stat-number {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 0.8;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid white;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-arrow::after {
    content: '';
    width: 12px;
    height: 12px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
    margin-top: -3px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { 
        transform: translateX(-50%) translateY(0); 
    }
    40% { 
        transform: translateX(-50%) translateY(-8px); 
    }
    60% { 
        transform: translateX(-50%) translateY(-4px); 
    }
}

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

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
}

.section-title i {
    margin-right: 15px;
    color: #667eea;
}

.section-subtitle {
    font-size: 1.2em;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们 */
.about-section {
    background: #f8f9fa;
}

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

.about-item {
    margin-bottom: 40px;
}

.about-item h3 {
    font-size: 1.4em;
    color: #2c3e50;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.about-item h3 i {
    margin-right: 10px;
    color: #667eea;
}

.about-item p {
    color: #7f8c8d;
    line-height: 1.8;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tech-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.tech-item i {
    font-size: 2.5em;
    color: #667eea;
    margin-bottom: 15px;
}

.tech-item span {
    display: block;
    font-weight: 600;
    color: #2c3e50;
}

/* 核心业务 */
.services-section {
    background: white;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 2em;
    color: white;
}

.service-card h3 {
    font-size: 1.4em;
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-desc {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
}

.service-features li {
    margin-bottom: 8px;
    color: #5a6c7d;
    display: flex;
    align-items: center;
}

.service-features i {
    color: #27ae60;
    margin-right: 10px;
    font-size: 0.9em;
}

/* 全栈技术服务底座样式 */
.foundation-service {
    margin-top: 20px;
}

.foundation-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px 50px;
    border-radius: 25px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    border: 2px solid #e9ecef;
    position: relative;
    overflow: hidden;
}

.foundation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

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

.foundation-left {
    display: flex;
    align-items: center;
    gap: 25px;
}

.foundation-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.foundation-icon i {
    font-size: 2.5em;
    color: white;
}

.foundation-text h3 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.foundation-text .service-desc {
    font-size: 1.1em;
    color: #7f8c8d;
    margin: 0;
}

.foundation-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    list-style: none;
    margin: 0;
}

.foundation-features li {
    display: flex;
    align-items: center;
    color: #5a6c7d;
    font-size: 1.05em;
    font-weight: 500;
}

.foundation-features i {
    color: #27ae60;
    margin-right: 12px;
    font-size: 1em;
}



/* 成功案例 */
.cases-section {
    background: #f8f9fa;
    padding: 100px 0;
}

.featured-case {
    background: white;
    border-radius: 25px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    margin-top: 40px;
}

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

.case-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9em;
    font-weight: 600;
    margin-bottom: 25px;
}

.case-badge i {
    margin-right: 8px;
}

.featured-case h3 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 20px;
}

.case-description {
    color: #7f8c8d;
    font-size: 1.1em;
    line-height: 1.7;
    margin-bottom: 30px;
}

.case-highlights {
    display: grid;
    gap: 25px;
    margin-bottom: 30px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.highlight-item i {
    color: #667eea;
    font-size: 1.5em;
    margin-top: 5px;
}

.highlight-item h4 {
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 1.1em;
}

.highlight-item p {
    color: #7f8c8d;
    font-size: 0.95em;
}

.case-tech h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.case-tech i {
    margin-right: 10px;
    color: #667eea;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tech-tag {
    background: #667eea;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.case-link:hover {
    color: #764ba2;
    transform: translateX(5px);
}

.case-mockup {
    background: #2c3e50;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
}

.mockup-screen {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.mockup-header {
    background: #f8f9fa;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e9ecef;
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.mockup-dots span:nth-child(1) { background: #ff5f56; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #27ca3f; }

.mockup-title {
    font-weight: 600;
    color: #2c3e50;
}

.mockup-content {
    padding: 20px;
    min-height: 200px;
}

.chat-bubble {
    margin-bottom: 15px;
    padding: 12px 18px;
    border-radius: 20px;
    max-width: 80%;
    font-size: 0.9em;
    line-height: 1.4;
}

.chat-bubble.user {
    background: #667eea;
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 5px;
}

.chat-bubble.bot {
    background: #f8f9fa;
    color: #2c3e50;
    border-bottom-left-radius: 5px;
}

.case-stats {
    display: flex;
    justify-content: space-around;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 1.8em;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    color: #7f8c8d;
}

/* 技术优势 */
.advantages-section {
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.advantage-card {
    background: white;
    padding: 50px 40px;
    border-radius: 25px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
}

.advantage-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.advantage-icon i {
    font-size: 2.5em;
    color: white;
    position: relative;
    z-index: 2;
}

.advantage-card h3 {
    font-size: 1.6em;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
}

.advantage-card p {
    color: #7f8c8d;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1.05em;
}

.advantage-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.advantage-features span {
    background: #f8f9fa;
    color: #667eea;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    font-weight: 500;
}

/* 服务流程 */
.process-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid #e9ecef;
}

.process-title {
    text-align: center;
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 50px;
}

.process-title i {
    margin-right: 15px;
    color: #667eea;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 40px 30px;
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

/* 水平连接线 */
.process-step:nth-child(1)::after,
.process-step:nth-child(2)::after,
.process-step:nth-child(4)::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0.6;
}

/* 第5步到第6步的水平连接线 */
.process-step:nth-child(5)::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0.6;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    margin: 0 auto 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.step-number::before {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.step-content h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.step-content p {
    color: #7f8c8d;
    font-size: 0.9em;
    line-height: 1.5;
}

/* 第5步特殊定位 */
.process-step:nth-child(5) {
    grid-column: 2;
    grid-row: 2;
}

/* 第6步特殊定位 */
.process-step:nth-child(6) {
    grid-column: 3;
    grid-row: 2;
}

/* 客户价值 */
.value-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
}

.value-section .section-title {
    color: white;
}

.value-section .section-title i {
    color: rgba(255, 255, 255, 0.8);
}

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

.value-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.value-icon i {
    font-size: 2em;
    color: white;
}

.value-card h3 {
    font-size: 1.4em;
    margin-bottom: 15px;
}

.value-card p {
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 20px;
}

.value-metric {
    font-size: 0.9em;
    opacity: 0.8;
}

.metric-value {
    font-size: 1.3em;
    font-weight: bold;
    color: white;
    margin-left: 8px;
}

/* 联系我们 */
.contact-section {
    background: #f8f9fa;
    padding: 100px 0;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5em;
    color: white;
}

.contact-details h4 {
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 1.2em;
}

.contact-details p {
    color: #7f8c8d;
    font-size: 1.1em;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 1.5em;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #f0f0f0;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.3em;
    font-weight: bold;
}

.footer-logo i {
    margin-right: 10px;
    color: #667eea;
    font-size: 1.2em;
}

.footer-text p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.copyright {
    font-size: 0.9em;
    opacity: 0.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5em;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .case-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .foundation-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .foundation-left {
        flex-direction: column;
        gap: 20px;
    }
    
    .foundation-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: none;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        gap: 30px;
        max-width: none;
    }
    
    .process-step:nth-child(6),
    .process-step:nth-child(5) {
        grid-column: auto;
        grid-row: auto;
    }
    
    /* 移动端隐藏连接线 */
    .process-step::after {
        display: none !important;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2em;
    }
    
    .hero-subtitle {
        font-size: 1.1em;
    }
    
    .featured-case {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}