/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0a0a;
    background-image: 
        linear-gradient(rgba(0, 255, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 0, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

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

/* Header styles */
.header {
    background-color: rgba(10, 10, 10, 0.95);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(10px);
}

.logo {
    color: #00ff00;
    font-size: 1.8rem;
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

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

.main-nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.main-nav a:hover {
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

/* Hero section */
.hero {
    background: linear-gradient(rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.9)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23000000"/><path d="M0 0 L100 100 M100 0 L0 100" stroke="%2300ff00" stroke-width="0.5"/></svg>');
    color: #e0e0e0;
    text-align: left;
    padding: 8rem 0 4rem;
    margin-top: 60px;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.2);
    border: 1px solid rgba(0, 255, 0, 0.2);
    transition: all 0.3s ease;
}

.hero-image img:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 40px rgba(0, 255, 0, 0.3);
    border-color: rgba(0, 255, 0, 0.4);
}

.floating {
    animation: float 6s ease-in-out infinite;
}

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

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #00ff00;
    text-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #e0e0e0;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-features span {
    background: rgba(0, 255, 0, 0.05);
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 0, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
}

.hero-features span:hover {
    background: rgba(0, 255, 0, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
}

/* Services section */
.services {
    padding: 4rem 0;
    background-color: #0a0a0a;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
}

.services-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.services-main {
    width: 100%;
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-card {
    background: rgba(20, 20, 20, 0.8);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 2rem;
    border: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(5px);
}

.service-card:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.15);
    border-color: rgba(0, 255, 0, 0.3);
}

.service-card.primary {
    background: linear-gradient(135deg, rgba(0, 20, 0, 0.8) 0%, rgba(0, 40, 0, 0.8) 100%);
    color: #e0e0e0;
    padding: 2rem 3rem;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.service-card.primary .service-content {
    flex: 1;
}

.service-card.primary .service-icon {
    font-size: 3rem;
    margin: 0;
    min-width: 60px;
    text-align: center;
}

.service-card.primary h3 {
    color: #e0e0e0;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.service-card.primary .service-desc {
    color: #e0e0e0;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.service-card.primary .service-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 0;
    list-style: none;
}

.service-card.primary .service-details li {
    font-size: 1rem;
    margin: 0;
    padding: 0;
    position: relative;
    padding-left: 1.2rem;
}

.service-card.primary .service-details li:before {
    content: "•";
    color: #00ff00;
    position: absolute;
    left: 0;
}

.service-card.primary .service-features {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

.service-card.primary .service-features span {
    font-size: 0.9rem;
    padding: 0.4rem 1rem;
}

.service-icon {
    font-size: 2rem;
    min-width: 40px;
    text-align: center;
}

.service-content {
    flex: 1;
}

.service-card h3 {
    color: #e0e0e0;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.service-desc {
    color: #e0e0e0;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.service-details {
    list-style: none;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.service-details li {
    margin: 0;
    padding-left: 1.2rem;
    position: relative;
    font-size: 0.9rem;
}

.service-details li:before {
    content: "•";
    color: #00ff00;
    position: absolute;
    left: 0;
}

.service-features {
    margin-top: 1rem;
    display: flex;
    gap: 0.8rem;
}

.service-features span {
    background: rgba(0, 255, 0, 0.05);
    color: #00ff00;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

/* Features section */
.features {
    padding: 4rem 0;
    background-color: #0a0a0a;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.features-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.features-main {
    width: 100%;
}

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

.feature-card {
    background: rgba(20, 20, 20, 0.8);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.15);
    border-color: rgba(0, 255, 0, 0.3);
}

.feature-card.primary {
    background: linear-gradient(135deg, rgba(0, 20, 0, 0.8) 0%, rgba(0, 40, 0, 0.8) 100%);
    color: #e0e0e0;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.feature-card.primary .feature-content {
    flex: 1;
}

.feature-card.primary .feature-icon {
    font-size: 4rem;
    min-width: 80px;
    text-align: center;
}

.feature-card.primary h3 {
    color: #e0e0e0;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card.primary .feature-desc {
    color: #e0e0e0;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.feature-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
}

.detail-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.detail-text {
    color: #00ff00;
    font-size: 1rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
}

.feature-content {
    text-align: center;
}

.feature-card h3 {
    color: #e0e0e0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-desc {
    color: #e0e0e0;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.feature-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.feature-tags span {
    background: rgba(0, 255, 0, 0.05);
    color: #00ff00;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

/* Process section */
.process {
    padding: 4rem 0;
    background-color: #0a0a0a;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #00ff00, transparent);
}

.process-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.process-timeline {
    position: relative;
    padding: 2rem 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, #1a1a1a, #00ff00);
    opacity: 0.3;
}

.process-step {
    position: relative;
    margin-bottom: 4rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    z-index: 2;
    border: 2px solid #00ff00;
    box-shadow: 0 0 15px rgba(0, 255, 0, 0.2);
}

.step-content {
    background: rgba(20, 20, 20, 0.8);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(5px);
    position: relative;
    transition: all 0.4s ease;
}

.process-step:nth-child(odd) .step-content {
    margin-right: 55%;
}

.process-step:nth-child(even) .step-content {
    margin-left: 55%;
}

.step-content:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.15);
    border-color: rgba(0, 255, 0, 0.3);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #00ff00;
}

.step-content h3 {
    color: #e0e0e0;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: bold;
}

.step-desc {
    color: #e0e0e0;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.6;
}

.step-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
}

.step-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 15px;
    background: rgba(0, 255, 0, 0.05);
    transition: all 0.3s ease;
}

.step-detail-item:hover {
    background: rgba(0, 255, 0, 0.1);
    transform: translateY(-5px);
}

.detail-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.detail-text {
    color: #00ff00;
    font-size: 1rem;
    font-weight: 500;
}

.step-keywords {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
}

.step-keywords p {
    color: #e0e0e0;
    font-size: 1rem;
    line-height: 1.6;
    text-align: center;
    padding: 0.8rem;
    background: rgba(0, 255, 0, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
}

.step-keywords p:hover {
    background: rgba(0, 255, 0, 0.1);
    border-color: rgba(0, 255, 0, 0.2);
    transform: translateY(-2px);
}

/* Responsive design for process */
@media (max-width: 1024px) {
    .process-timeline::before {
        left: 30px;
    }

    .step-number {
        left: 30px;
    }

    .step-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
        padding: 2rem;
    }

    .process-step:nth-child(odd) .step-content,
    .process-step:nth-child(even) .step-content {
        margin-right: 0;
    }

    .step-details {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-keywords p {
        font-size: 0.95rem;
        padding: 0.7rem;
    }
}

@media (max-width: 768px) {
    .process-step {
        margin-bottom: 3rem;
    }

    .step-content {
        padding: 1.5rem;
    }

    .step-content h3 {
        font-size: 1.5rem;
    }

    .step-desc {
        font-size: 1rem;
    }

    .step-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step-detail-item {
        padding: 0.8rem;
    }

    .detail-icon {
        font-size: 1.8rem;
    }

    .detail-text {
        font-size: 0.9rem;
    }

    .step-keywords {
        margin-top: 1rem;
        padding-top: 1rem;
    }

    .step-keywords p {
        font-size: 0.9rem;
        padding: 0.6rem;
    }
}

/* About section */
.about {
    padding: 4rem 0;
    background-color: #0a0a0a;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #00ff00, transparent);
}

.about-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.about-main {
    width: 100%;
}

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

.about-card {
    background: rgba(20, 20, 20, 0.8);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(5px);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.15);
    border-color: rgba(0, 255, 0, 0.3);
}

.about-card.primary {
    background: linear-gradient(135deg, rgba(0, 20, 0, 0.8) 0%, rgba(0, 40, 0, 0.8) 100%);
    color: #e0e0e0;
    padding: 3rem;
    display: flex;
    gap: 3rem;
    align-items: center;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.about-card.primary .about-content {
    flex: 1;
}

.about-card.primary .about-icon {
    font-size: 4rem;
    min-width: 80px;
    text-align: center;
}

.about-card.primary h3 {
    color: #e0e0e0;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-card.primary .about-desc {
    color: #e0e0e0;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 15px;
    background: rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
}

.about-detail-item:hover {
    background: rgba(0, 255, 0, 0.2);
    transform: translateY(-5px);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
    color: #00ff00;
}

.about-content {
    text-align: center;
}

.about-card h3 {
    color: #e0e0e0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.about-desc {
    color: #e0e0e0;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.about-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.about-tags span {
    background: rgba(0, 255, 0, 0.05);
    color: #00ff00;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 0, 0.2);
    transition: all 0.3s ease;
}

.about-tags span:hover {
    background: rgba(0, 255, 0, 0.2);
    transform: translateY(-2px);
}

/* Responsive design for about */
@media (max-width: 1024px) {
    .about-card.primary {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .about-card.primary .about-icon {
        margin-bottom: 1rem;
    }

    .about-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-card {
        padding: 1.5rem;
    }

    .about-card.primary {
        padding: 1.5rem;
    }

    .about-card.primary h3 {
        font-size: 1.8rem;
    }

    .about-card.primary .about-desc {
        font-size: 1.1rem;
    }

    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .about-tags {
        flex-direction: column;
        align-items: center;
    }
}

/* Contact section */
.contact {
    padding: 4rem 0;
    background-color: #0a0a0a;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, #00ff00, transparent);
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.contact-main {
    width: 100%;
}

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

.contact-card {
    background: rgba(20, 20, 20, 0.8);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 255, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 0, 0.1);
    backdrop-filter: blur(5px);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 255, 0, 0.15);
    border-color: rgba(0, 255, 0, 0.3);
}

.contact-card.primary {
    background: linear-gradient(135deg, rgba(0, 20, 0, 0.8) 0%, rgba(0, 40, 0, 0.8) 100%);
    color: #e0e0e0;
    padding: 3rem;
    display: flex;
    gap: 3rem;
    align-items: center;
    border: 1px solid rgba(0, 255, 0, 0.2);
}

.contact-card.primary .contact-content {
    flex: 1;
}

.contact-card.primary .contact-icon {
    font-size: 4rem;
    min-width: 80px;
    text-align: center;
}

.contact-card.primary h3 {
    color: #e0e0e0;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-card.primary .contact-desc {
    color: #e0e0e0;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 15px;
    background: rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-detail-item:hover {
    background: rgba(0, 255, 0, 0.2);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
    color: #00ff00;
}

.contact-content {
    text-align: center;
}

.contact-card h3 {
    color: #e0e0e0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.contact-desc {
    color: #e0e0e0;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-tags span {
    background: rgba(0, 255, 0, 0.05);
    color: #00ff00;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 0, 0.2);
    transition: all 0.3s ease;
}

.contact-tags span:hover {
    background: rgba(0, 255, 0, 0.2);
    transform: translateY(-2px);
}

/* Responsive design for contact */
@media (max-width: 1024px) {
    .contact-card.primary {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .contact-card.primary .contact-icon {
        margin-bottom: 1rem;
    }

    .contact-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .contact-card.primary {
        padding: 1.5rem;
    }

    .contact-card.primary h3 {
        font-size: 1.8rem;
    }

    .contact-card.primary .contact-desc {
        font-size: 1.1rem;
    }

    .contact-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-tags {
        flex-direction: column;
        align-items: center;
    }
}

/* Footer */
.footer {
    background-color: rgba(10, 10, 10, 0.95);
    color: #e0e0e0;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 1rem;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        padding: 5rem 2rem 2rem;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
        border-left: 1px solid rgba(0, 255, 0, 0.1);
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
        margin: 0;
        padding: 0;
    }

    .main-nav a {
        display: block;
        padding: 0.8rem 1rem;
        font-size: 1.1rem;
        border-radius: 8px;
        background: rgba(0, 255, 0, 0.05);
        border: 1px solid rgba(0, 255, 0, 0.1);
    }

    .main-nav a:hover {
        background: rgba(0, 255, 0, 0.1);
        border-color: rgba(0, 255, 0, 0.2);
    }

    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
        z-index: 1001;
    }

    .menu-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: #00ff00;
        border-radius: 3px;
        transition: all 0.3s ease;
    }

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

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

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

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

    .services-wrapper {
        gap: 1.5rem;
    }

    .service-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1.5rem;
    }

    .service-card.primary {
        padding: 1.5rem;
    }

    .service-card.primary .service-icon {
        margin-bottom: 0.5rem;
    }

    .service-card.primary h3 {
        font-size: 1.5rem;
    }

    .service-card.primary .service-desc {
        font-size: 1rem;
    }

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

    .service-features {
        flex-wrap: wrap;
    }

    .service-grid,
    .features-grid,
    .process-steps,
    .about-features,
    .contact-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .main-nav {
        width: 100%;
        max-width: none;
    }

    .main-nav a {
        font-size: 1rem;
        padding: 0.7rem 1rem;
    }

    .hero {
        padding: 5rem 0 2rem;
    }

    .hero-content {
        gap: 1.5rem;
    }

    .hero h2 {
        font-size: 1.6rem;
    }

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

    .hero-image {
        max-width: 100%;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .hero-features span {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .service-card,
    .feature-card,
    .step-content,
    .about-card,
    .contact-card {
        padding: 1.2rem;
    }

    .service-card.primary,
    .feature-card.primary,
    .about-card.primary,
    .contact-card.primary {
        padding: 1.5rem;
    }

    .service-card h3,
    .feature-card h3,
    .step-content h3,
    .about-card h3,
    .contact-card h3 {
        font-size: 1.3rem;
    }

    .service-desc,
    .feature-desc,
    .step-desc,
    .about-desc,
    .contact-desc {
        font-size: 0.95rem;
    }
}

/* 添加打印样式 */
@media print {
    .hero-image {
        display: none;
    }

    .hero-content {
        text-align: center;
    }

    .hero-features {
        justify-content: center;
    }
}

/* Friend Links */
.friend-links {
    background: rgba(10, 10, 10, 0.95);
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
}

.friend-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.friend-links li {
    margin: 0;
}

.friend-links a {
    color: #e0e0e0;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    background: rgba(0, 255, 0, 0.05);
    border: 1px solid rgba(0, 255, 0, 0.1);
    transition: all 0.3s ease;
}

.friend-links a:hover {
    color: #00ff00;
    background: rgba(0, 255, 0, 0.1);
    border-color: rgba(0, 255, 0, 0.2);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .friend-links ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .friend-links a {
        display: block;
        width: 100%;
        text-align: center;
    }
}