/* 粒子效果样式 */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

#particles-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
    width: 100%;
    min-width: 320px;
}

/* Grab风格的绿色渐变配色 */
:root {
    --primary-green: #00D4AA;
    --secondary-green: #00B894;
    --dark-green: #00A085;
    --light-green: #E8F8F5;
    --gradient-primary: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    --gradient-secondary: linear-gradient(135deg, #00B894 0%, #00A085 100%);
    --gradient-hero: linear-gradient(135deg, #00D4AA 0%, #00B894 50%, #00A085 100%);
    --text-dark: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --shadow: 0 10px 25px rgba(0, 180, 148, 0.15);
    --shadow-hover: 0 15px 35px rgba(0, 180, 148, 0.25);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 180, 148, 0.15);
    border-bottom: 1px solid rgba(0, 212, 170, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 主页横幅样式 */
.hero {
    background: linear-gradient(135deg, #00D4AA 0%, #00B894 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.06)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(45deg, #ffffff, #f0f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 300px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    color: white;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.hero-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.hero-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.hero-card p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}

/* 通用样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section {
    padding: 6rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #00D4AA, #00B894);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 关于我们样式 */
.about {
    padding: 6rem 0;
    background: #f8fffe;
    position: relative;
    z-index: 10;
    margin-top: 2rem;
    border-radius: 30px 30px 0 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.about-intro,
.about-mission {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-green);
}

.about-intro h3,
.about-mission h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.about-intro p,
.about-mission p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
    margin: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
}

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    min-width: 0;
    overflow: hidden;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.15);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
    word-break: keep-all;
    white-space: nowrap;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
    word-break: keep-all;
    white-space: nowrap;
}

/* 产品服务样式 */
.products {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fffe 0%, #ffffff 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00D4AA, #00B894);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.2);
}

.product-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.product-icon .icon {
    width: 64px;
    height: 64px;
    transition: transform 0.3s ease;
}

.product-card:hover .product-icon .icon {
    transform: scale(1.1) rotate(5deg);
}

.product-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.product-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features li {
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

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

.feature-tag {
    background: var(--light-green);
    color: var(--primary-green);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 优势特色样式 */
.advantages {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

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

.advantage-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    border: 2px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.3);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    min-width: 60px;
    text-align: center;
    background: linear-gradient(135deg, #00D4AA, #00B894);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.advantage-number::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #00D4AA, #00B894);
    border-radius: 2px;
}

.advantage-content {
    flex: 1;
}

.advantage-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advantage-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* 联系我们 */
.contact {
    padding: 6rem 0;
    background: var(--gradient-hero);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
    background: none;
    -webkit-text-fill-color: var(--white);
}

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

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.contact-item {
    display: flex;
    margin-bottom: 1rem;
    align-items: center;
}

.contact-label {
    font-weight: 600;
    min-width: 60px;
    color: rgba(255, 255, 255, 0.9);
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.3);
}

.contact-form .btn-primary {
    width: 100%;
    margin-top: 1rem;
}

/* 页脚 */
.footer {
    background: #1a202c;
    color: var(--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: var(--primary-green);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* 平板设备优化 (1024px以下) */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1.05rem;
        max-width: 600px;
        margin: 0 auto 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .about-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        width: 100%;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
        min-width: 0;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
/* 响应式设计 - 平板设备 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        max-width: 100%;
    }
    
    .hero-card {
        padding: 1.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* 响应式设计 - 手机设备 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 5px 20px rgba(0, 180, 148, 0.15);
        z-index: 1000;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 5rem 0 3rem;
        min-height: 90vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
    }
    
    .hero-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-card {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.4rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
        max-width: 500px;
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 1rem;
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 100%;
        text-align: center;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .about {
        padding: 4rem 0;
        margin-top: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-text {
        gap: 2rem;
    }
    
    .about-intro,
    .about-mission {
        padding: 2rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .stat-item {
        padding: 1.5rem 0.8rem;
    }
    
    .stat-number {
        font-size: 1.7rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .products {
        padding: 4rem 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card {
        padding: 2rem 1.5rem;
    }
    
    .advantages {
        padding: 4rem 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 2rem;
    }
    
    .advantage-number {
        font-size: 2rem;
        min-width: auto;
    }
    
    .contact {
        padding: 4rem 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        text-align: left;
    }
    
    .container {
        padding: 0 1.5rem;
    }
}

/* 小屏幕手机设备优化 */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
    }
    
    .nav-menu {
        padding: 1.5rem;
    }
    
    .hero {
        padding: 4rem 0 2rem;
        min-height: 85vh;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        max-width: 400px;
    }
    
    .hero-cards {
        max-width: 100%;
    }
    
    .hero-card {
        padding: 1.2rem;
    }
    
    .hero-card h3 {
        font-size: 1rem;
    }
    
    .hero-card p {
        font-size: 0.85rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
        max-width: 100%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .about {
        padding: 3rem 0;
    }
    
    .about-intro,
    .about-mission {
        padding: 1.5rem;
    }
    
    .about-intro h3,
    .about-mission h3 {
        font-size: 1.2rem;
    }
    
    .about-intro p,
    .about-mission p {
        font-size: 0.9rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .stat-item {
        padding: 1.2rem 0.8rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .products {
        padding: 3rem 0;
    }
    
    .product-card {
        padding: 1.5rem 1.2rem;
    }
    
    .product-card h3 {
        font-size: 1.3rem;
    }
    
    .product-card .product-subtitle {
        font-size: 0.9rem;
    }
    
    .product-card p {
        font-size: 0.85rem;
    }
    
    .product-features li {
        font-size: 0.85rem;
    }
    
    .advantages {
        padding: 3rem 0;
    }
    
    .advantage-card {
        padding: 1.5rem;
    }
    
    .advantage-number {
        font-size: 1.8rem;
    }
    
    .advantage-card h3 {
        font-size: 1.2rem;
    }
    
    .advantage-card p {
        font-size: 0.85rem;
    }
    
    .contact {
        padding: 3rem 0;
    }
    
    .contact-form {
        padding: 1.2rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 1.5rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .container {
        padding: 0 1.2rem;
    }
}

/* 超小屏幕设备优化 */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-cards {
        max-width: 100%;
    }
    
    .hero-card {
        padding: 1rem;
    }
    
    .btn-primary, .btn-secondary {
        max-width: 100%;
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .about-intro,
    .about-mission {
        padding: 1.2rem;
    }
    
    .product-card,
    .advantage-card {
        padding: 1.2rem;
    }
    
    .contact-form {
        padding: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* 移动端触摸优化和交互增强 */
@media (max-width: 768px) {
    /* 触摸友好的按钮和链接 */
    .btn-primary, .btn-secondary, .nav-menu a, .hamburger {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 改善触摸滚动 */
    body {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    /* 优化表单输入 */
    .form-group input,
    .form-group textarea {
        -webkit-appearance: none;
        border-radius: 8px;
        font-size: 16px; /* 防止iOS缩放 */
        line-height: 1.5;
    }
    
    /* 改善卡片点击区域 */
    .product-card,
    .advantage-card,
    .hero-card {
        cursor: pointer;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }
    
    .product-card:active,
    .advantage-card:active,
    .hero-card:active {
        transform: scale(0.98);
    }
    
    /* 优化导航菜单动画 */
    .nav-menu {
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-menu a {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 180, 148, 0.1);
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover,
    .nav-menu a:active {
        background: rgba(0, 180, 148, 0.05);
        padding-left: 1rem;
    }
    
    /* 汉堡菜单动画 */
    .hamburger span {
        transition: all 0.3s ease;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* 优化滚动指示器 */
    .hero::after {
        content: '';
        position: absolute;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 30px;
        background: linear-gradient(to bottom, transparent, rgba(0, 180, 148, 0.6));
        border-radius: 2px;
        animation: scrollIndicator 2s infinite;
    }
    
    @keyframes scrollIndicator {
        0%, 100% { opacity: 0.3; }
        50% { opacity: 1; }
    }
    
    /* 改善加载性能 */
    .hero-card,
    .product-card,
    .advantage-card {
        will-change: transform;
        backface-visibility: hidden;
    }
    
    /* 优化文本选择 */
    .hero-title,
    .section-title {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
}

/* 柔和粒子动画效果 */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    animation: particleFloat 8s infinite linear;
}

.particle-1 {
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(0, 180, 148, 0.6), rgba(0, 180, 148, 0.1));
    box-shadow: 0 0 10px rgba(0, 180, 148, 0.3);
}

.particle-2 {
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, rgba(0, 160, 130, 0.5), rgba(0, 160, 130, 0.1));
    box-shadow: 0 0 15px rgba(0, 160, 130, 0.2);
}

.particle-3 {
    width: 3px;
    height: 3px;
    background: radial-gradient(circle, rgba(0, 200, 165, 0.7), rgba(0, 200, 165, 0.1));
    box-shadow: 0 0 8px rgba(0, 200, 165, 0.4);
}

.particle-4 {
    width: 5px;
    height: 5px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.05));
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) translateX(0) rotate(0deg) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) translateX(10px) rotate(36deg) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateY(50vh) translateX(-20px) rotate(180deg) scale(1.2);
    }
    90% {
        opacity: 0.3;
        transform: translateY(10vh) translateX(30px) rotate(324deg) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translateY(-10vh) translateX(0) rotate(360deg) scale(0);
    }
}

/* 呼吸光效动画 */
@keyframes breatheGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 180, 148, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 180, 148, 0.4), 0 0 30px rgba(0, 180, 148, 0.2);
    }
}

/* 漂浮粒子变体动画 */
@keyframes particleDrift {
    0% {
        opacity: 0;
        transform: translateY(100vh) translateX(-50px) rotate(0deg);
    }
    20% {
        opacity: 0.6;
    }
    80% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(-10vh) translateX(50px) rotate(180deg);
    }
}

@keyframes particleSpiral {
    0% {
        opacity: 0;
        transform: translateY(100vh) translateX(0) rotate(0deg) scale(0.5);
    }
    25% {
        opacity: 0.8;
        transform: translateY(75vh) translateX(20px) rotate(90deg) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(50vh) translateX(-15px) rotate(180deg) scale(1.1);
    }
    75% {
        opacity: 0.6;
        transform: translateY(25vh) translateX(25px) rotate(270deg) scale(0.9);
    }
    100% {
        opacity: 0;
        transform: translateY(-5vh) translateX(0) rotate(360deg) scale(0.3);
    }
}

/* 动态粒子类 */
.particle-drift {
    animation: particleDrift 12s infinite linear;
}

.particle-spiral {
    animation: particleSpiral 15s infinite ease-in-out;
}

.particle-glow {
    animation: particleFloat 10s infinite linear, breatheGlow 3s infinite ease-in-out;
}

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

.product-card,
.advantage-item,
.stat-item {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-secondary);
}