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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #d32f2f;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    transition: width 0.3s ease;
}

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

.language-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.language-switch:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(211, 47, 47, 0.4);
}

.language-tooltip {
    position: absolute;
    top: 50px;
    right: 0;
    background: white;
    color: #333;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 15px;
    width: 12px;
    height: 12px;
    background: white;
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.1);
}

.language-switch:hover .language-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    background: none;
    border: none;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

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

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    padding: 2rem;
}

.mobile-menu.active {
    transform: translateY(0);
}

/* Mobile Menu Close Button */
.mobile-menu-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    color: #374151;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1001;
}

.mobile-menu-close:hover {
    background: #f9fafb;
    transform: rotate(90deg) scale(1.1);
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.mobile-menu-links a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 15px;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    color: #374151;
    transition: all 0.3s ease;
    transform: translateY(50px);
    opacity: 0;
    animation: slideInUp 0.6s ease forwards;
}

.mobile-menu-links a:nth-child(1) {
    animation-delay: 0.1s;
}

.mobile-menu-links a:nth-child(2) {
    animation-delay: 0.2s;
}

.mobile-menu-links a:nth-child(3) {
    animation-delay: 0.3s;
}

.mobile-menu-links a:nth-child(4) {
    animation-delay: 0.4s;
}

.mobile-menu-links a:hover {
    background: #f9fafb;
    transform: translateY(-5px);
}

.mobile-menu-links a.language-switch {
    background: linear-gradient(45deg, #ff8f00, #ffc107);
    color: white;
    font-weight: 600;
    border: 2px solid #ff8f00;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-align: center;
    padding: 1rem 1.5rem;
    min-width: 140px;
}

.mobile-menu-links a.language-switch:hover {
    background: linear-gradient(45deg, #f57c00, #ff9800);
    transform: translateY(-3px) scale(1.02);
}

.mobile-menu-links a.language-switch i {
    font-size: 1.2rem;
    margin: 0;
    opacity: 0.9;
    flex-shrink: 0;
}

.mobile-menu-links a.language-switch span {
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
}

@keyframes slideInUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #2c5aa0 0%, #f57c00 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 1s ease 0.7s forwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a202c;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #718096;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a202c;
}

.feature-card p {
    color: #718096;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.faq-question i {
    color: #e74c3c;
    transition: transform 0.3s ease;
    font-size: 16px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.faq-item.active .faq-answer {
    padding: 25px 30px;
    max-height: 300px;
}

.faq-answer p {
    margin: 0;
    line-height: 1.6;
    color: #666;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* Brand Story Section Styles */
.brand-story {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.brand-story-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.brand-story-intro {
    background: white;
    padding: 4rem 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.brand-story-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: white;
    font-size: 3rem;
}

.brand-story-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1a202c;
}

.brand-story-text {
    color: #718096;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.brand-story-text:last-child {
    margin-bottom: 0;
}

.brand-story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.specialty-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.specialty-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #d32f2f 0%, #ff8f00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.specialty-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.specialty-card-description {
    color: #718096;
    font-size: 0.9rem;
}

/* Contact Section Styles */
.contact-center {
    text-align: center;
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 3rem auto 0;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #2c5aa0 0%, #f57c00 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

/* 联系人头部信息 */
.contact-person-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.contact-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2c5aa0 0%, #f57c00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 10px 30px rgba(44, 90, 160, 0.3);
}

.contact-person-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.contact-person-title {
    font-size: 0.95rem;
    color: #64748b;
    font-weight: 500;
}

/* 联系信息列表 */
.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem;
    border-radius: 8px;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.contact-item:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #ffffff 100%);
    border-color: #cbd5e1;
    transform: translateX(8px);
}

.contact-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2c5aa0 0%, #f57c00 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    margin-right: 1rem;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.25);
}

.contact-details {
    flex: 1;
    text-align: left;
}

.contact-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #1a202c;
}

.contact-info {
    color: #4a5568;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
}

.contact-info a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 6px;
    padding: 4px 8px;
    margin: -4px -8px;
}

.contact-info a:hover {
    color: #2c5aa0;
    background: rgba(44, 90, 160, 0.1);
    text-decoration: none;
}

/* WeChat QR Code Styles */
.wechat-qr {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 1.5rem auto;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 16px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    max-width: 200px;
    text-align: center;
}

.wechat-qr:hover {
    border-color: #cbd5e1;
    background: linear-gradient(135deg, #f1f5f9 0%, #ffffff 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.qr-code {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 3px solid #ffffff;
    background: #ffffff;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 0.5rem;
}

.qr-code:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* QR Code 装饰效果 */
.wechat-qr::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #2c5aa0 0%, #f57c00 100%);
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.wechat-qr:hover::before {
    opacity: 0.1;
}

.wechat-qr:hover::before {
    opacity: 1;
}

/* 添加微信图标装饰 */
.wechat-qr::after {
    content: '\f1d7';
    font-family: 'Font Awesome 5 Brands';
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #07c160 0%, #00d4aa 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 2px 8px rgba(7, 193, 96, 0.3);
    border: 2px solid white;
}

.wechat-qr::after {
    display: none;
}

/* Coming Soon Section */
.coming-soon {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    text-align: center;
}

/* Coming Soon Section Styles */
.coming-soon-title {
    color: white;
}

.coming-soon-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.coming-soon-description {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-top: 2rem;
}

/* Footer Styles */
.footer-logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-description {
    margin-bottom: 2rem;
    opacity: 0.8;
}

.footer-copyright {
    opacity: 0.6;
    font-size: 0.9rem;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.countdown-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    min-width: 120px;
}

.countdown-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #ff8f00;
}

.countdown-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #d32f2f;
    transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

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

    .hero p {
        font-size: 1.1rem;
    }

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

    /* 品牌故事卡片响应式布局 - 平板版三列显示 */
    .brand-story-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.5rem !important;
    }

    /* 联系卡片响应式布局 - 平板版单列显示 */
    .contact-center {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 500px;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .contact-person-header {
        margin-bottom: 1.25rem;
        padding-bottom: 1.25rem;
    }

    /* 平板设备二维码样式 */
    .wechat-qr {
        padding: 1.75rem;
        margin: 1.25rem auto;
        max-width: 190px;
    }

    .qr-code {
        width: 120px;
        height: 120px;
    }

    .contact-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .contact-person-name {
        font-size: 1.3rem;
    }

    .contact-person-title {
        font-size: 0.9rem;
    }

    .contact-items {
        gap: 0.75rem;
    }

    .contact-item {
        padding: 0.5rem;
    }

    .contact-icon {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .wechat-qr {
        padding: 0.75rem;
        margin-top: 0.5rem;
    }

    .qr-code {
        width: 70px;
        height: 70px;
    }

    .wechat-qr::after {
        width: 20px;
        height: 20px;
        font-size: 10px;
        top: -6px;
        right: -6px;
    }

    .countdown {
        gap: 1rem;
    }

    .countdown-item {
        min-width: 100px;
        padding: 1.5rem 1rem;
    }

    .countdown-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    /* 小屏手机版保持一行两个 */
    .brand-story-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }

    /* 小屏手机版联系卡片单列显示 */
    .contact {
        padding: 3rem 0;
    }

    .contact-center {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 100%;
        padding: 0 1rem;
    }

    .contact-card {
        padding: 1.25rem;
    }

    .contact-person-header {
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }

    .contact-avatar {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .contact-person-name {
        font-size: 1.2rem;
    }

    .contact-person-title {
        font-size: 0.85rem;
    }

    .contact-items {
        gap: 0.5rem;
    }

    .contact-item {
        padding: 0.5rem;
    }

    .contact-icon {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .contact-title {
        font-size: 0.85rem;
    }

    .contact-info {
        font-size: 0.85rem;
    }

    .wechat-qr {
        padding: 1.5rem;
        margin: 1rem auto;
        max-width: 180px;
    }

    .qr-code {
        width: 100px;
        height: 100px;
    }

    .wechat-qr::after {
        width: 18px;
        height: 18px;
        font-size: 9px;
        top: -5px;
        right: -5px;
    }
}