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

:root {
    /* 参考网站配色方案 - 深蓝色和紫色系 */
    --primary-color: #024886;
    --secondary-color: #A67C00;
    --accent-color: #D4AF37;
    --text-dark: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #f5f5f5;
    --border-color: #e5e5e5;
    --success-color: #10b981;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #A67C00 0%, #D4AF37 100%);
    --gradient-secondary: linear-gradient(135deg, #024886 0%, #A67C00 100%);
    --gradient-hero: linear-gradient(135deg, #024886 0%, #035aa6 100%);

    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--secondary-color);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

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

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

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

.nav-link.cta-nav {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-link.cta-nav::after {
    display: none;
}

.nav-link.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn {
    padding: 0.875rem 2.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

.hero-badges {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1.5rem;
}

.badge-text {
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s both;
}

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

/* 核心优势 */
.advantages-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

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

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
}

.advantage-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.advantage-desc {
    color: var(--text-light);
    line-height: 1.8;
}

/* 关于我们 */
.about-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-intro {
    margin-top: 2rem;
}

.about-intro p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-box {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.4s ease;
}

.feature-box:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.feature-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* 解决方案 */
.solutions-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.solution-header {
    margin-bottom: 1.5rem;
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.solution-icon svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
}

.solution-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.solution-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.solution-value {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.solution-scenarios,
.solution-features {
    margin-top: 1.5rem;
}

.solution-scenarios h4,
.solution-features h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 600;
}

.solution-scenarios ul,
.solution-features ul {
    list-style: none;
    padding-left: 0;
}

.solution-scenarios li,
.solution-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.solution-scenarios li::before,
.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* 合作伙伴 */
.partnership-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.partnership-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.partnership-intro h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.partnership-intro p {
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.partnership-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.benefit-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

.partnership-cta {
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
}

.partnership-cta:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.partnership-cta p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.partnership-cta .btn {
    background: white;
    color: var(--primary-color);
}

/* 合规中心 */
.compliance-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.compliance-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
}

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

.compliance-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--secondary-color);
}

.compliance-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.compliance-content strong {
    color: var(--text-dark);
}

.compliance-list {
    list-style: none;
    padding-left: 0;
}

.compliance-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.8;
}

.compliance-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.25rem;
}

/* 行业洞察 */
.insights-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.industry-solutions {
    margin-bottom: 4rem;
}

.industry-solutions h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

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

.industry-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.industry-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.industry-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.industry-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

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

/* FAQ */
.faq-section h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    margin-bottom: 1rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

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

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-question h4 {
    font-size: 1.125rem;
    color: var(--text-dark);
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

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

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-info > p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.method-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
}

.method-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

.method-info h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.method-info p {
    color: var(--text-light);
}

.contact-form {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.form-status {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(166, 124, 0, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: 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 h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.footer-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

.disclaimer {
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

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

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

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

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .advantages-grid,
    .solutions-grid,
    .industry-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .advantage-card,
    .solution-card,
    .compliance-card {
        padding: 1.5rem;
    }

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

/* 滚动动画 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.active {
    opacity: 1;
    transform: translateY(0);
}