:root {
    --primary-color: #1a237e;
    --secondary-color: #0091ea;
    --accent-color: #ff4081;
    --text-color: #ffffff;
    --dark-text: #2c3e50;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #6B73FF 0%, #000DFF 100%);
    --gradient-3: linear-gradient(to right, #00c6fb 0%, #005bea 100%);
    --box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    --hover-shadow: 0 20px 40px rgba(0,0,0,0.15);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-logo img {
    height: 40px;
    transition: var(--transition);
}

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

.nav-links a {
    color: var(--primary-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s;
    position: relative;
    font-weight: 500;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

/* 英雄区域样式 */
.hero {
    height: 100vh;
    background: var(--gradient-1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-color);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><path fill="rgba(255, 255, 255, 0.1)" d="M45.3,-52.9C60.9,-40.9,77.3,-28.5,82.1,-12.4C86.9,3.7,80.2,23.5,68.1,37.7C56.1,51.9,38.7,60.5,20.4,65.2C2.1,69.9,-17.1,70.7,-33.7,63.5C-50.3,56.3,-64.3,41.1,-71.2,22.7C-78.1,4.3,-77.9,-17.3,-68.9,-34.4C-59.9,-51.5,-42.1,-64.1,-25.1,-75.6C-8.1,-87.1,8,-97.5,22.3,-89.7C36.6,-81.9,49.1,-56,45.3,-52.9Z" transform="translate(100 100)" /></svg>') no-repeat center center;
    opacity: 0.1;
    animation: pulse 8s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.05; }
    100% { opacity: 0.15; }
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    letter-spacing: -1px;
    margin-bottom: 0.8rem;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.cta-button {
    background: var(--accent-color);
    color: var(--text-color);
    font-weight: 600;
    padding: 1.2rem 3rem;
    border-radius: 30px;
    box-shadow: var(--box-shadow);
    transform-origin: center;
    border: none;
    cursor: pointer;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: var(--hover-shadow);
}

/* 卡片样式 */
.section {
    padding: 3rem 8%;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-container {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    flex: 1;
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    transform-origin: center;
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: var(--hover-shadow);
}

.card .icon {
    font-size: 2.5rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

/* 服务网格 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-item {
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    transition: var(--transition);
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -1;
}

.service-item:hover {
    color: white;
    transform: translateY(-10px) scale(1.02);
}

.service-item:hover::before {
    opacity: 1;
}

.service-item .icon {
    font-size: 2.8rem;
    transition: transform 0.5s ease;
}

.service-item:hover .icon {
    transform: scale(1.1);
}

/* 联系表单 */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid transparent;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    font-size: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(0,145,234,0.1);
}

.contact-form button {
    background: var(--gradient-3);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* 动画效果 */
.animate-text {
    animation: fadeInUp 1s ease-out;
}

.animate-text-delay {
    animation: fadeInUp 1s ease-out 0.5s backwards;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .section {
        padding: 2rem 5%;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .card-container {
        flex-direction: column;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* 添加页脚样式 */
footer {
    background: var(--gradient-1);
    color: var(--text-color);
    padding: 3rem 0 0 0;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.company-info {
    max-width: 400px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    background: rgba(255, 255, 255, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.social-links .icon {
    font-size: 1.2rem;
    margin: 0;
}

.footer-section h4 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.link-column {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--text-color);
    transform: translateX(5px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.contact-info .icon {
    font-size: 1.1rem;
    margin: 0;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.1), transparent);
    margin: 2rem 0 0 0;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    text-align: center;
}

.footer-bottom-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.beian {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.beian a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.beian a:hover {
    color: var(--text-color);
}

.beian img {
    height: 16px;
    width: auto;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .company-info {
        margin: 0 auto;
    }

    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    .footer-links {
        justify-content: center;
    }

    .contact-info p {
        justify-content: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    .beian {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-content {
        padding: 0 1rem;
    }

    .beian {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1000;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 页面标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--primary-color);
    position: relative;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-3);
    border-radius: 2px;
}

/* 联系部分样式 */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    color: var(--dark-text);
}

.contact-info .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    flex-shrink: 0;
}

.contact-info span {
    font-weight: 500;
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
    }

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

    .nav-links a {
        margin: 1rem 0;
        font-size: 1.2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .card, .service-item {
        margin-bottom: 1rem;
    }

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

    .contact-info p {
        font-size: 1rem;
        justify-content: flex-start;
        padding: 0.5rem 0;
    }
    
    .contact-info .icon {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 1.5rem 1rem;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 16px; /* 防止iOS缩放 */
    }

    .hero-content h1 {
        font-size: 2rem;
    }
    
    .card, .service-item {
        padding: 1.2rem;
    }

    .contact-info {
        padding: 1.5rem;
    }
}

/* 滚动指示器 */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 15px;
    backdrop-filter: blur(5px);
}

.hero-scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
    box-shadow: 0 0 10px var(--accent-color);
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 20px); opacity: 0; }
}

/* 添加滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-3);
    transform-origin: left;
    transform: scaleX(0);
    z-index: 1001;
}

/* 添加新动画 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* 更新页脚样式 */
.footer-links-secondary {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.site-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
}

.site-link:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.site-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--accent-color);
}

.social-btn {
    position: relative;
    overflow: hidden;
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.social-btn:hover::before {
    width: 150%;
    height: 150%;
}

.social-btn .icon {
    position: relative;
    z-index: 1;
}

/* 更新移动端样式 */
@media (max-width: 768px) {
    .footer-links-secondary {
        justify-content: center;
        gap: 1rem;
    }

    .site-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .footer-links-secondary {
        flex-direction: column;
        gap: 0.8rem;
    }

    .site-link {
        width: 100%;
        justify-content: center;
    }
}

/* 更新底部内容布局 */
.footer-bottom-content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
    padding: 1rem 2rem;
}

@media (max-width: 768px) {
    .footer-bottom-content {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
}

/* 产品展示样式 */
.products-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 1.8rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-3);
}

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

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.product-desc {
    color: var(--dark-text);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.product-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: rgba(0, 145, 234, 0.1);
    color: var(--secondary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.product-link:hover {
    gap: 1rem;
    color: var(--primary-color);
}

.product-link .icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.product-link:hover .icon {
    transform: translateX(5px);
}

/* 确保modal trigger的样式一致 */
.modal-trigger {
    font-family: inherit;
    outline: none;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    position: relative;
    width: 90%;
    max-width: 400px;
    margin: auto;
    text-align: center;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    box-shadow: var(--hover-shadow);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark-text);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.qr-container {
    margin: 2rem auto;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    width: fit-content;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.qr-code {
    width: 200px;
    height: 200px;
    display: block;
}

.modal-tip {
    color: var(--dark-text);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .products-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-container {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
    
    .qr-code {
        width: 180px;
        height: 180px;
    }
} 