/* 全局样式 */
:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --accent-color: #ff3366;
    --text-color: #333;
    --bg-color: #fff;
    --section-padding: 100px 0;
    --container-width: 1200px;
    --header-height: 80px;
    --header-scroll-height: 60px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
    height: var(--header-height);
    background-color: transparent;
    backdrop-filter: blur(0);
}

.header.scroll-down {
    transform: translateY(-100%);
}

.header.scroll-up {
    transform: translateY(0);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    height: var(--header-scroll-height);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 50px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: block;
    padding: 10px 0;
    transition: all 0.3s ease;
}

.logo img {
    height: 55px;
    width: auto;
    transition: all 0.3s ease;
}

.header.scroll-up .logo img {
    height: 35px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.nav-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 0;
    position: relative;
    transition: all 0.3s ease;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header.scroll-up .nav-links a {
    color: var(--primary-color);
    text-shadow: none;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.header.scroll-up .nav-links a::after {
    background-color: var(--accent-color);
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links .contact-btn {
    background-color: transparent;
    color: var(--secondary-color) !important;
    padding: 10px 24px;
    border: 2px solid var(--secondary-color);
    border-radius: 5px;
    margin-left: 20px;
    transition: all 0.3s ease;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header.scroll-up .nav-links .contact-btn {
    background-color: var(--primary-color);
    color: var(--secondary-color) !important;
    border-color: var(--primary-color);
    text-shadow: none;
}

.nav-links .contact-btn:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color) !important;
    transform: translateY(-2px);
    text-shadow: none;
}

.header.scroll-up .nav-links .contact-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.nav-links .contact-btn::after {
    display: none;
}

/* Hero 区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--secondary-color);
    padding: 0 20px;
    position: relative;
    overflow: hidden;
    background-image: url('../images/bg.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 3;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.5s;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--accent-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* 服务区域样式 */
.services {
    padding: var(--section-padding);
    background-color: var(--bg-color);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.service-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

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

.service-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* 服务特点样式 */
.service-features {
    max-width: var(--container-width);
    margin: 0 auto 100px;
    padding: 0 20px;
}

.service-features h3,
.service-process h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
}

.service-features h3::after,
.service-process h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.feature-item {
    text-align: center;
    padding: 35px 25px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(45deg, var(--accent-color), #ff6b9b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.feature-icon i {
    font-size: 32px;
    color: white;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

/* 服务流程样式 */
.service-process {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    overflow-x: auto;
}

.process-steps {
    display: flex;
    gap: 0;
    position: relative;
    min-width: min-content;
    padding: 20px 10px;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    position: relative;
    transition: all 0.3s ease;
    min-width: 200px;
    z-index: 1;
}

/* 添加连接线 */
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
    transform: translateY(-50%);
    z-index: 0;
}

/* 添加箭头 */
.process-step:not(:last-child)::before {
    content: '›';
    position: absolute;
    top: 50%;
    right: -25px;
    color: var(--accent-color);
    font-size: 24px;
    transform: translateY(-50%);
    z-index: 2;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.process-step h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    white-space: nowrap;
}

.process-step p {
    color: #666;
    line-height: 1.4;
    font-size: 0.9rem;
    margin: 0;
}

/* 滚动条样式 */
.service-process::-webkit-scrollbar {
    height: 6px;
}

.service-process::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.service-process::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.service-process::-webkit-scrollbar-thumb:hover {
    background: #ff4577;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .service-process {
        padding: 0 15px;
        margin-bottom: 50px;
    }

    .process-step {
        padding: 20px 15px;
        min-width: 160px;
    }

    .process-step h4 {
        font-size: 1rem;
    }

    .process-step p {
        font-size: 0.8rem;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .pricing h2 {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .pricing-grid {
        margin-bottom: 70px;
    }

    .service-features {
        margin-bottom: 70px;
    }

    .service-features h3,
    .service-process h3 {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    .logo img {
        height: 35px;
    }

    .header.scroll-up .logo img {
        height: 30px;
    }
}

/* 案例区域样式 */
.cases {
    padding: 80px 20px;
    background-color: var(--bg-light);
}

.cases h2 {
    text-align: center;
    margin-bottom: 40px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 移动端案例样式 */
.mobile-case {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-case:hover {
    transform: translateY(-10px);
}

.mobile-case .case-image {
    position: relative;
    width: 100%;
    padding-top: 180%; /* 保持长图比例 */
    overflow: hidden;
}

.mobile-case .case-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.mobile-case .case-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.mobile-case .case-content h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.mobile-case .case-content p {
    margin-bottom: 15px;
    color: #666;
    flex-grow: 1;
}

.mobile-case .app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.store-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.store-link:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.store-link i {
    font-size: 16px;
}

.qrcode {
    text-align: center;
    margin-top: 15px;
}

.qrcode img {
    width: 120px;
    height: 120px;
    margin-bottom: 5px;
}

.qrcode p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* PC端案例样式 */
.pc-case {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.pc-case:hover {
    transform: translateY(-10px);
}

.pc-case .case-image {
    height: 250px;
    overflow: hidden;
}

.pc-case .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pc-case .case-content {
    padding: 20px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tech-tag {
    padding: 5px 12px;
    background-color: var(--bg-light);
    color: var(--text-primary);
    border-radius: 15px;
    font-size: 12px;
}

/* 价格区域样式 */
.pricing {
    padding: var(--section-padding);
    background-color: var(--bg-color);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto 100px;
    padding: 0 20px;
}

.pricing-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--accent-color);
    background: linear-gradient(to bottom right, #fff, #fff8f9);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.price {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px dashed #eee;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 25px;
    flex-grow: 1;
}

.pricing-card ul li {
    margin-bottom: 12px;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
}

.pricing-card ul li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.pricing-cta {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
    margin-top: auto;
}

.pricing-cta:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

/* 关于我们区域样式 */
.about {
    padding: var(--section-padding);
    background-color: #f9f9f9;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.about-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* 客户品牌区域样式 */
.clients {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.clients h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
}

.clients h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.client-logo {
    position: relative;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 15px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 3/2;
    opacity: 1;
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.client-logo img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: transform 0.3s ease;
    padding: 0;
}

@media (max-width: 768px) {
    .clients h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 15px;
    }

    .client-logo {
        padding: 15px;
        aspect-ratio: 3/2;
    }

    .client-logo img {
        max-width: 90%;
        max-height: 90%;
    }
}

@media (min-width: 769px) and (max-width: 1200px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

/* 联系我们区域样式 */
.contact {
    padding: var(--section-padding);
    background-color: #f9f9f9;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.contact-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.contact-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #eee;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--bg-color);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #999;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
    min-height: 100px;
    max-height: 300px;
}

.submit-btn {
    padding: 15px 30px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.submit-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(100, 100);
        opacity: 0;
    }
}

/* 页脚样式 */
.footer {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 80px 0 20px;
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 50px;
}

.footer-logo h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-section a {
    display: block;
    color: var(--secondary-color);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        padding: 20px;
    }

    .menu-toggle {
        display: block;
        cursor: pointer;
        z-index: 1000;
    }

    .menu-toggle span {
        display: block;
        width: 25px;
        height: 2px;
        background-color: var(--secondary-color);
        margin: 6px 0;
        transition: all 0.3s ease;
    }

    .header.scroll-up .menu-toggle span {
        background-color: var(--primary-color);
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 900;
    }

    .header.scroll-up .nav-links {
        background-color: rgba(255, 255, 255, 0.95);
        top: var(--header-scroll-height);
        height: calc(100vh - var(--header-scroll-height));
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.2rem;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links a:nth-child(2) { transition-delay: 0.2s; }
    .nav-links a:nth-child(3) { transition-delay: 0.3s; }
    .nav-links a:nth-child(4) { transition-delay: 0.4s; }
    .nav-links a:nth-child(5) { transition-delay: 0.5s; }

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

    .hero p {
        font-size: 1.2rem;
    }

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

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

    .cases-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .mobile-case .case-image {
        padding-top: 160%;
    }

    .mobile-case .app-links,
    .miniprogram-badge {
        align-self: center;
    }

    .pc-case .case-image {
        height: 200px;
    }

    .cases-tabs {
        gap: 10px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .price {
        font-size: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .service-features,
    .service-process {
        margin-bottom: 50px;
    }

    .feature-item,
    .process-step {
        padding: 25px 20px;
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }

    .feature-icon i {
        font-size: 28px;
    }
}

@media (min-width: 769px) and (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
    }
}

@media (min-width: 1201px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        padding: 0;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeIn 0.6s ease forwards;
}

#particles-canvas {
    z-index: 1;
    opacity: 0.6;
}

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

.matrix-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.3;
    mix-blend-mode: screen;
}

/* 小程序标识样式 */
.miniprogram-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: #07c160;  /* 微信绿色 */
    color: white;
    border-radius: 20px;
    font-size: 14px;
    margin-top: auto;
    align-self: flex-start;
}

.miniprogram-badge i {
    font-size: 18px;
}

.miniprogram-badge span {
    font-weight: 500;
}