/* 全局样式 */
* {
    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: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    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;
    height: 70px;
}

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

.nav-logo .logo-img {
    height: 45px;
    width: auto;
    transition: all 0.3s ease;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 英雄区域 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.title-line {
    display: block;
    transform: translateY(100px);
    animation: slideInUp 1s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 1.5s forwards;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-full {
    width: 100%;
}

/* 浮动元素动画 */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

/* 章节样式 */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Features区域的标题特殊样式 */
.features .section-title {
    color: white;
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features区域的副标题样式 */
.features .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.about-item.fade-in {
    opacity: 1;
    transform: translateX(0);
}

.about-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

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

.about-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.about-info p {
    color: #666;
    line-height: 1.6;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-main-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

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

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.image-placeholder i {
    font-size: 4rem;
    color: white;
}

/* 服务项目 */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
    z-index: -1;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    color: white;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: white;
}

.service-icon i {
    font-size: 2rem;
    color: white;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon i {
    color: #667eea;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.service-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.service-features span {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-features span {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* 核心优势 */
.features {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.features-container {
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    transform: translateY(30px);
    opacity: 0;
    color: white;
}

.feature-item.fade-in {
    transform: translateY(0);
    opacity: 1;
}

.feature-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    line-height: 60px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.feature-item h3 {
    color: white;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 20px;
}

.glowing-number {
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    }
    to {
        box-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
    }
}

.feature-tech {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    flex: 1;
    justify-content: center;
}

.tech-label {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 价格图表动画 */
.price-chart {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 60px;
    padding: 10px;
}

.chart-bar {
    width: 20px;
    background: linear-gradient(to top, #fff, rgba(255, 255, 255, 0.7));
    border-radius: 3px 3px 0 0;
    animation: barGrow 2s ease-out;
    transition: all 0.3s ease;
}

.chart-bar:hover {
    transform: scale(1.1);
    background: linear-gradient(to top, #ffd700, #fff);
}

@keyframes barGrow {
    from {
        height: 0;
    }
    to {
        height: var(--height);
    }
}

/* 数据仪表盘 */
.data-dashboard {
    display: flex;
    gap: 30px;
}

.dashboard-item {
    text-align: center;
    color: white;
}

.data-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.data-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
}

/* 自动化流程 */
.automation-flow {
    display: flex;
    align-items: center;
    gap: 15px;
}

.flow-step {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: white;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.flow-step.active {
    background: rgba(255, 215, 0, 0.3);
    border-color: #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.flow-step.processing {
    background: rgba(0, 255, 0, 0.2);
    border-color: #00ff00;
    animation: pulse 1.5s ease-in-out infinite;
}

.flow-arrow {
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    position: relative;
}

.flow-arrow::after {
    content: '';
    position: absolute;
    right: -5px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 8px solid rgba(255, 255, 255, 0.6);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* 平台同步 */
.platform-sync {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.platform-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 10px;
}

.platform-icon {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
}

.platform-icon:nth-child(1) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 0s;
}

.platform-icon:nth-child(2) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 0.3s;
}

.platform-icon:nth-child(3) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 0.6s;
}

.platform-icon:nth-child(4) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 0.9s;
}

.platform-icon:nth-child(5) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 1.2s;
}

.platform-icon:nth-child(6) {
    animation: platformPulse 2s ease-in-out infinite;
    animation-delay: 1.5s;
}

.platform-icon::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 10px;
    border: 2px solid transparent;
    background: linear-gradient(45deg, #ffd700, #00ff00, #ff6b6b) border-box;
    opacity: 0;
    animation: borderGlow 3s ease-in-out infinite;
}

.sync-status {
    color: #ffd700;
    font-size: 0.9rem;
    font-weight: 600;
    animation: statusBlink 2s ease-in-out infinite;
}

@keyframes platformPulse {
    0%, 100% {
        transform: scale(1);
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.3);
    }
    50% {
        transform: scale(1.1);
        background: rgba(255, 215, 0, 0.3);
        border-color: #ffd700;
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    }
}

@keyframes borderGlow {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

@keyframes statusBlink {
    0%, 100% {
        opacity: 1;
        color: #ffd700;
    }
    50% {
        opacity: 0.7;
        color: #00ff00;
    }
}

/* 风险监控 */
.risk-monitor {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.monitor-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-size: 0.9rem;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

.monitor-item.safe .status-dot {
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
}

.monitor-item.warning .status-dot {
    background: #ff9500;
    box-shadow: 0 0 10px #ff9500;
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

/* 智能客服 */
.customer-service {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.chat-bubble {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 12px 16px;
    border-radius: 20px 20px 20px 5px;
    font-size: 0.9rem;
    position: relative;
    animation: messageSlide 0.5s ease-out;
}

.chat-bubble::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-right: 15px solid rgba(255, 255, 255, 0.9);
    border-bottom: 15px solid transparent;
}

.response-time {
    color: #ffd700;
    font-size: 0.8rem;
    font-weight: 500;
}

@keyframes messageSlide {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 为什么选择雄门 */
.why-choose-us {
    background: #f8f9fa;
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.4s ease;
    z-index: 0;
}

.advantage-card:hover::before {
    left: 0;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.2);
    color: white;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover .advantage-icon {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.advantage-icon i {
    font-size: 2rem;
    color: white;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon i {
    color: #667eea;
}

.advantage-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover h3 {
    color: white;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.advantage-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.advantage-card:hover .advantage-highlight {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.highlight-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-card:hover .highlight-number {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.highlight-text {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 500;
    transition: all 0.3s ease;
}

.advantage-card:hover .highlight-text {
    color: rgba(255, 255, 255, 0.9);
}

/* 联系我们 */
.contact {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-details p {
    color: #666;
}

.qr-code {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.5rem;
}

.qr-code img {
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.qr-code img:hover {
    transform: scale(1.05);
}

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

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

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

.form-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
}

.footer-section i {
    margin-right: 0.5rem;
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-logo .logo-img {
        height: 35px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }

    /* 服务流程移动端优化 */
    .process-timeline::before {
        left: 20px;
        width: 2px;
    }
    
    .timeline-item {
        margin-bottom: 40px;
        justify-content: flex-start;
    }
    
    .timeline-item .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
        padding-left: 20px !important;
        padding-right: 20px !important;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px !important;
        margin-right: 0 !important;
        padding-left: 20px !important;
        padding-right: 20px !important;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        content: '';
        position: absolute;
        left: -15px;
        top: 20px;
        width: 0;
        height: 0;
        border: 10px solid transparent;
        border-right-color: white;
    }
    
    .timeline-marker {
        left: 20px;
        width: 60px;
        height: 60px;
        transform: translateX(-50%);
        box-shadow: 0 0 0 5px white, 0 0 20px rgba(102, 126, 234, 0.3);
    }
    
    .timeline-number {
        font-size: 1.2rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .nav-logo .logo-img {
        height: 30px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .service-card,
    .feature-item {
        margin-bottom: 1rem;
    }
    
    .back-to-top {
        right: 15px;
        bottom: 15px;
    }

    /* 服务流程超小屏幕优化 */
    .process-timeline::before {
        left: 15px;
    }
    
    .timeline-marker {
        left: 15px;
        width: 50px;
        height: 50px;
        box-shadow: 0 0 0 3px white, 0 0 15px rgba(102, 126, 234, 0.3);
    }
    
    .timeline-number {
        font-size: 1rem;
    }
    
    .timeline-item .timeline-content {
        width: calc(100% - 50px);
        margin-left: 50px !important;
        padding: 15px !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px !important;
        padding: 15px !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -10px;
        top: 15px;
        border-width: 8px;
    }
    
    .timeline-content h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .timeline-content p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .timeline-content ul li {
        font-size: 0.85rem;
        margin-bottom: 5px;
        padding-left: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-content h3 {
        font-size: 2rem;
    }
}

/* 服务流程样式 */
.process {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
}

.process::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"><circle cx="50" cy="50" r="1" fill="%23667eea" opacity="0.1"><animate attributeName="r" values="1;4;1" dur="3s" repeatCount="indefinite"/></circle></svg>') repeat;
    animation: float 20s ease-in-out infinite;
}

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

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
    width: 100%;
    display: flex;
    justify-content: center;
}

.timeline-item.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item .timeline-content {
    width: calc(50% - 40px);
    max-width: 400px;
    text-align: left;
}

/* 奇数项在右侧 */
.timeline-item:nth-child(odd) {
    justify-content: flex-end;
}

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

.timeline-item:nth-child(odd) .timeline-content::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-right-color: white;
}

/* 偶数项在左侧 */
.timeline-item:nth-child(even) {
    justify-content: flex-start;
}

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

.timeline-item:nth-child(even) .timeline-content::before {
    content: '';
    position: absolute;
    right: -15px;
    top: 30px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-left-color: white;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 80px;
    height: 80px;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 10px white, 0 0 30px rgba(102, 126, 234, 0.3);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-marker:hover {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 0 0 10px white, 0 0 40px rgba(102, 126, 234, 0.5);
}

.timeline-number {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.timeline-content h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content ul li {
    color: #555;
    margin-bottom: 8px;
    position: relative;
    padding-left: 25px;
}

.timeline-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

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

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    position: relative;
    transform: translateY(30px);
    opacity: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card.fade-in {
    transform: translateY(0);
    opacity: 1;
}

.case-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.case-image::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"><polygon points="50,10 90,90 10,90" fill="%23ffffff" opacity="0.1"/></svg>') no-repeat center;
    background-size: 80px;
    animation: rotate 10s linear infinite;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

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

.case-stats {
    display: flex;
    gap: 30px;
}

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

.stat-item .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

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

.case-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.case-content h3 {
    color: #333;
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.case-location {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 15px;
}

.case-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.case-features span {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 数据统计样式 */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.05) 2px,
        rgba(255, 255, 255, 0.05) 4px
    );
    animation: slide 20s linear infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    transform: translateY(30px);
    opacity: 0;
}

.stat-card.fade-in {
    transform: translateY(0);
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

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

.stat-content h3 {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 500;
}

/* 增强的动画效果 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes slide {
    from {
        transform: translateX(-50px);
    }
    to {
        transform: translateX(50px);
    }
}

.glowing-number {
    animation: glow 2s ease-in-out infinite;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .process-timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        padding-left: 80px;
        padding-right: 20px;
        text-align: left;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-content h3 {
        font-size: 2rem;
    }
}

/* 专业团队样式 */
.team {
    padding: 100px 0;
    background: white;
}

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

.team-image {
    position: relative;
}

.team-main-photo {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.team-photo {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.photo-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.photo-placeholder i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.photo-placeholder p {
    font-size: 1.2rem;
    font-weight: 500;
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.team-photo:hover .photo-overlay {
    opacity: 1;
}

.team-stats {
    display: flex;
    gap: 40px;
}

.team-stats .stat-item {
    text-align: center;
    color: white;
}

.team-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.team-stats .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.team-info h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.team-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.team-values {
    margin-bottom: 40px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.value-item:hover {
    background: #e9ecef;
    transform: translateX(10px);
}

.value-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.value-icon i {
    color: white;
    font-size: 1.2rem;
}

.value-content h4 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.value-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.team-advantages h4 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.team-advantages ul {
    list-style: none;
    padding: 0;
}

.team-advantages ul li {
    color: #555;
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
    line-height: 1.6;
}

.team-advantages ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

.team-advantages ul li strong {
    color: #333;
    font-weight: 600;
}

/* 团队区域响应式设计 */
@media (max-width: 768px) {
    .team-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .photo-placeholder {
        height: 300px;
    }
    
    .team-stats {
        gap: 30px;
    }
    
    .value-item {
        padding: 15px;
    }
    
    .value-icon {
        width: 40px;
        height: 40px;
        margin-right: 15px;
    }
}

@media (max-width: 480px) {
    .team-info h3 {
        font-size: 1.6rem;
    }
    
    .team-description {
        font-size: 1rem;
    }
    
    .photo-placeholder {
        height: 250px;
    }
    
    .photo-placeholder i {
        font-size: 3rem;
    }
}