/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 */
    --primary-color: #2c3e50;
    --secondary-color: #8b7355;
    --accent-color: #c9a96e;
    --bg-color: #f5f1e8;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --border-color: #e0d5c7;
    
    /* 字体 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 50px;
    width: auto;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* 首页轮播 */
.hero-section {
    margin-top: 70px;
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    transform: translateY(-50%);
    z-index: 3;
}

.slider-btn {
    background: rgba(255,255,255,0.3);
    border: none;
    color: var(--white);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: rgba(255,255,255,0.5);
}

.slider-dots {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: var(--white);
    transform: scale(1.2);
}

/* 通用板块样式 */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
}

.section-desc {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.subsection-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    text-align: center;
}

/* 关于我们 */
.about-section {
    background: var(--white);
}

.core-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.value-icon {
    margin-bottom: var(--spacing-md);
}

.value-icon img {
    width: 150px;
    height: 150px;
    object-fit: contain;
}

.value-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.achievement-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 12px;
    color: var(--white);
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.achievement-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.achievement-label {
    font-size: 1.1rem;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.industry-card {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.industry-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.industry-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.industry-card h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.industry-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 主营业务 */
.business-section {
    background: var(--bg-color);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.business-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--white), var(--bg-color));
}

.business-icon {
    margin-bottom: var(--spacing-md);
}

.business-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.business-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.business-card p {
    color: var(--text-light);
}

/* 核心优势 */
.advantages-section {
    background: var(--white);
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.mode-card {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
    text-align: center;
}

.mode-card img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin-bottom: var(--spacing-md);
}

.mode-card h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.mode-card p {
    color: var(--text-light);
}

.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.track-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
}

.track-item img {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.track-item p {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 500;
}

.stage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stage-card {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stage-number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(139, 115, 85, 0.1);
    position: absolute;
    top: -10px;
    right: 10px;
}

.stage-card h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.stage-card p {
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.understand-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--white);
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
}

.tag:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.strategy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.strategy-item {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
}

.strategy-item img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin-bottom: var(--spacing-md);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.strategy-item h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.strategy-item ul {
    list-style: none;
    padding-left: 0;
}

.strategy-item li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-md);
}

.strategy-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.strategy-item p {
    color: var(--text-light);
    text-align: center;
}

.ip-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.ip-goal,
.ip-stages {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
}

.ip-goal img,
.ip-stages img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin-bottom: var(--spacing-md);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.ip-goal h4,
.ip-stages h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.ip-goal p {
    color: var(--text-light);
    text-align: center;
}

.stages-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.stages-flow span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--white);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* 合作案例 */
.cases-section {
    background: var(--bg-color);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.case-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.case-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: var(--spacing-md);
}

.case-content h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.case-desc {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.case-result {
    display: flex;
    gap: var(--spacing-sm);
}

.result-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 客户口碑 */
.testimonials-section {
    background: var(--white);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.video-card {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
}

.video-placeholder {
    position: relative;
    width: 100%;
    height: 300px;
    background: #000;
    cursor: pointer;
}

.video-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.video-placeholder:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--white);
}

.video-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.customer-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.customer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.customer-details h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.customer-details p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 12px;
    border-left: 4px solid var(--secondary-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.testimonial-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    color: var(--text-color);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-rating {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* 联系我们 */
.contact-section {
    background: var(--bg-color);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

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

.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.qr-code {
    margin: var(--spacing-lg) 0;
}

.qr-code img {
    width: 250px;
    height: 250px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.service-desc {
    margin-top: var(--spacing-md);
}

.service-desc .highlight {
    font-size: 1.1rem;
    color: var(--secondary-color);
    font-weight: 500;
    margin: var(--spacing-sm) 0;
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.submit-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* 页脚 */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: rgba(255,255,255,0.8);
    margin-top: var(--spacing-sm);
}

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

.footer-column h4 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .subsection-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .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);
    }

    .hero-section {
        height: 400px;
    }

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

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

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

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

    .subsection-title {
        font-size: 1.3rem;
    }

    .core-values,
    .business-grid,
    .mode-grid,
    .track-grid,
    .stage-grid,
    .cases-grid,
    .video-grid,
    .testimonial-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .industry-grid,
    .strategy-content,
    .ip-content {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .logo {
        height: 40px;
    }

    .brand-name {
        font-size: 1.2rem;
    }

    .hero-section {
        height: 300px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .subsection-title {
        font-size: 1.2rem;
    }

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

    .achievement-number {
        font-size: 2.5rem;
    }

    .value-icon img {
        width: 100px;
        height: 100px;
    }

    .business-icon img {
        width: 60px;
        height: 60px;
    }

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

    .stages-flow {
        flex-direction: column;
    }

    .stages-flow span {
        width: 100%;
        text-align: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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