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

:root {
    /* 主色调 - 深红色主题 */
    --primary-color: #D34346;
    --primary-light: #e57373;
    --primary-dark: #b71c1c;
    --secondary-color: #42a5f5;
    --accent-color: #ffb74d;
    
    /* 中性色调 */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    --gradient-hero: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.18);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background-color: var(--bg-light);
    scroll-behavior: smooth;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* 页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* 延迟动画 */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* 悬停发光效果 */
.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(211, 67, 70, 0.3);
}

/* 卡片悬停效果增强 */
.card-hover {
    transition: all var(--transition-slow);
}

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

/* 延迟动画 */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* 悬停发光效果 */
.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(211, 67, 70, 0.3);
}

/* 卡片悬停效果增强 */
.card-hover {
    transition: all var(--transition-slow);
}

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

/* 悬停缩放效果 */
.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* 渐变文字效果 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition-slow);
    border-bottom: 1px solid rgba(211, 67, 70, 0.1);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.99);
    backdrop-filter: blur(25px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(211, 67, 70, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-image {
    height: 40px;
    width: auto;
    transition: all var(--transition-normal);
    filter: brightness(1);
}

.nav-logo:hover .logo-image {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.nav-logo span {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::before {
    width: 100%;
}

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

.nav-link.active::before {
    width: 100%;
}

/* 导航栏二维码样式 */
.nav-qrcode {
    position: relative;
}

.nav-qrcode .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(211, 67, 70, 0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-qrcode .nav-link:hover {
    background: rgba(211, 67, 70, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(211, 67, 70, 0.2);
}

.nav-qrcode .nav-link i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.nav-qrcode .nav-link span {
    font-weight: 600;
    font-size: 0.95rem;
}

.qrcode-popup {
    position: absolute;
    top: 100%;
    right: 0;
    width: 280px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid rgba(211, 67, 70, 0.1);
}

.nav-qrcode:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.qrcode-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.qrcode-content .qrcode-image {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(211, 67, 70, 0.3);
}

.qrcode-content .qrcode-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.qrcode-content .qrcode-image i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    z-index: 2;
    position: relative;
}

.qrcode-content .qrcode-placeholder {
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 2;
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* 二维码图片自动缩小样式 */
.qrcode-placeholder img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
}

.qrcode-placeholder:hover img {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* 小程序码图片自动缩小样式 */
.qrcode-content .qrcode-placeholder img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
}

.qrcode-content .qrcode-placeholder:hover img {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.qrcode-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.qrcode-content .qrcode-tip {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 0.5rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-toggle:hover {
    background: rgba(211, 67, 70, 0.1);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active .bar {
    background: var(--primary-color);
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        linear-gradient(rgba(211, 67, 70, 0.85), rgba(66, 165, 245, 0.85)),
        url('https://images.unsplash.com/photo-1519681393784-d120267933ba?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    position: relative;
    overflow: hidden;
    padding: var(--space-2xl) 0;
}

.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 0 100 100"><defs><pattern id="dots" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.hero-content {
    flex: 1;
    z-index: 2;
    max-width: 600px;
    padding-left: var(--space-2xl);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.7;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    box-shadow: var(--shadow-md);
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    padding-right: var(--space-2xl);
}

.floating-elements {
    position: relative;
    width: 600px;
    height: 600px;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    padding: 25px;
    text-align: center;
    transition: all 0.4s ease;
    animation: float 8s ease-in-out infinite;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.floating-element:hover {
    transform: scale(1.08);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.element-1 {
    top: 16%;
    left: 15%;
    animation-delay: 0s;
}

.element-2 {
    top: 20%;
    right: 20%;
    animation-delay: 2s;
}

.element-3 {
    top: 65%;
    left: 20%;
    animation-delay: 4s;
}

.element-4 {
    bottom: 25%;
    right: 15%;
    animation-delay: 6s;
}

.element-5 {
    bottom: 10%;
    left: 60%;
    animation-delay: 8s;
}

.element-6 {
    top: 35%;
    right: 35%;
    animation-delay: 10s;
}

.element-7 {
    bottom: 38%;
    left: 22%;
    animation-delay: 12s;
}

.floating-element i {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.floating-element span {
    font-weight: 700;
    font-size: 1.1rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(2deg); }
    66% { transform: translateY(10px) rotate(-2deg); }
}

/* 关于我们 */
.about {
    background: 
        linear-gradient(rgba(248, 249, 250, 0.95), rgba(248, 249, 250, 0.95)),
        url('https://images.unsplash.com/photo-1534361960057-19889db9621e?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 400px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(211, 67, 70, 0.9);
    color: white;
    padding: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    backdrop-filter: blur(5px);
    z-index: 2;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(211, 67, 70, 0.9);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.gallery-overlay span {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
}

@media (max-width: 768px) {
    .image-gallery {
        grid-template-columns: 1fr;
        max-width: 300px;
        gap: 1.5rem;
    }
    
    .gallery-item img {
        height: 150px;
    }
    
    .gallery-overlay i {
        font-size: 1.5rem;
    }
    
    .gallery-overlay span {
        font-size: 0.8rem;
    }
}

/* 服务项目 */
.services {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url('https://images.unsplash.com/photo-1544005313-94ddf0286df2?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--space-2xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
    border: 1px solid rgba(211, 67, 70, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: all 0.4s ease;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(211, 67, 70, 0.3);
}

.service-card:hover::before {
    left: 0;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.8rem;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: white;
    color: var(--primary-color);
}

.icon-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: rgba(211, 67, 70, 0.1);
    border-radius: 50%;
    z-index: 1;
    opacity: 0;
    transition: all 0.3s ease;
}

.service-card:hover .icon-bg {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #333;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: white;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
    margin-bottom: 1.5rem;
}

.service-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.service-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.feature-tag {
    background: rgba(211, 67, 70, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-card:hover .feature-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(211, 67, 70, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
    z-index: 3;
}

.service-card:hover .service-overlay {
    opacity: 1;
    transform: scale(1);
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 2rem;
}

.overlay-content h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: white;
}

.overlay-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.btn-overlay {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-overlay:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .service-features {
        gap: 0.3rem;
    }
    
    .feature-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}
}

/* 品牌合作 */
.brands {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--space-2xl) 0;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.brand-card {
    background: var(--bg-white);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid rgba(211, 67, 70, 0.08);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.brand-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(211, 67, 70, 0.12);
    border-color: rgba(211, 67, 70, 0.2);
}

.brand-logo {
    width: 90px;
    height: 90px;
    background: white;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.8rem;
    padding: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(211, 67, 70, 0.08);
    position: relative;
}

.brand-logo img {
    max-width: 60px;
    max-height: 55px;
    object-fit: contain;
    filter: grayscale(0.3);
    transition: filter 0.3s ease;
}

.brand-card:hover .brand-logo img {
    filter: grayscale(0);
}

.brand-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    text-align: center;
}

.brand-card p {
    color: #666;
    line-height: 1.4;
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

/* 联系我们 */
.contact {
    background: var(--bg-light);
    padding: var(--space-2xl) 0;
}

/* 企业微信获客码链接样式 */
.qrcode-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all var(--transition-normal);
}

.qrcode-link:hover {
    text-decoration: none;
    color: inherit;
    transform: translateY(-5px);
}

.qrcode-link:hover .qrcode-image {
    transform: scale(1.05);
    box-shadow: 0 15px 45px rgba(211, 67, 70, 0.5);
}

.qrcode-link:hover h4 {
    color: var(--primary-color);
}

.qrcode-link:hover p {
    color: var(--text-primary);
}

/* 企业微信获客码链接样式 */
.qrcode-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all var(--transition-normal);
}

.qrcode-link:hover {
    text-decoration: none;
    color: inherit;
    transform: translateY(-5px);
}

.qrcode-link:hover .qrcode-image {
    transform: scale(1.05);
    box-shadow: 0 15px 45px rgba(211, 67, 70, 0.5);
}

.qrcode-link:hover h4 {
    color: var(--primary-color);
}

.qrcode-link:hover p {
    color: var(--text-primary);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #666;
}

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

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b6b;
}

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

/* 二维码展示区域 */
.qrcode-section {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.qrcode-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.qrcode-description {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.qrcode-item {
    text-align: center;
    transition: all 0.3s ease;
}

.qrcode-item:hover {
    transform: translateY(-5px);
}

.qrcode-image {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(211, 67, 70, 0.3);
}

.qrcode-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.qrcode-image i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    z-index: 2;
    position: relative;
}

.qrcode-placeholder {
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 2;
    position: relative;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* 二维码图片自动缩小样式 */
.qrcode-placeholder img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
}

.qrcode-placeholder:hover img {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.qrcode-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.8rem;
}

.qrcode-item p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: var(--space-xl) 0 var(--space-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid #555;
    color: #ccc;
}

.footer-icp {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #aaa;
}

.footer-icp a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-icp a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-separator {
    margin: 0 0.8rem;
    color: #666;
}

@media (max-width: 768px) {
    .footer-icp {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .footer-icp a {
        display: block;
        margin: 0.3rem 0;
    }
    
    .footer-separator {
        display: none;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        gap: 1.5rem;
    }

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

    .nav-link {
        font-size: 1.1rem;
        padding: 0.8rem 0;
        margin: 0 2rem;
        border-bottom: 1px solid rgba(211, 67, 70, 0.1);
    }

    .nav-link::before {
        display: none;
    }

    .nav-link:hover {
        transform: none;
        background: rgba(211, 67, 70, 0.05);
        border-radius: 8px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* 移动端导航栏二维码样式 */
    .nav-qrcode {
        margin-top: 1rem;
        border-top: 1px solid rgba(211, 67, 70, 0.1);
        padding-top: 1rem;
    }

    .nav-qrcode .nav-link {
        justify-content: center;
        padding: 1rem;
        background: rgba(211, 67, 70, 0.05);
        border-radius: 15px;
        margin: 0 2rem;
    }

    .nav-qrcode .qrcode-popup {
        position: static;
        width: auto;
        margin: 1rem 2rem 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-qrcode .qrcode-content .qrcode-image {
        width: 120px;
        height: 120px;
    }

    .nav-qrcode .qrcode-content .qrcode-image i {
        font-size: 2rem;
    }

    .nav-logo h2 {
        font-size: 1.6rem;
    }

    .nav-logo span {
        font-size: 0.8rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
    }

    .hero-content {
        padding-left: 0;
        padding-bottom: 2rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

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

    .hero-description {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .hero-image {
        padding-right: 0;
        padding-top: 2rem;
    }

    .floating-elements {
        width: 350px;
        height: 350px;
        margin-top: 2rem;
    }

    .floating-element {
        padding: 15px;
    }

    .floating-element i {
        font-size: 2rem;
    }

    .floating-element span {
        font-size: 1rem;
    }

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

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

    .brands-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }

    .brand-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .brand-logo {
        width: 70px;
        height: 70px;
        margin: 0 auto 0.8rem;
        padding: 8px;
    }

    .brand-logo img {
        max-width: 45px;
        max-height: 35px;
    }

    .brand-name {
        font-size: 0.9rem;
        margin-top: 0.4rem;
    }

    .brand-card p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-top: 0.3rem;
    }

    .brand-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .brand-logo {
        width: 70px;
        height: 70px;
        margin: 0 auto 0.8rem;
        padding: 8px;
    }

    .brand-logo img {
        max-width: 45px;
        max-height: 35px;
    }

    .brand-name {
        font-size: 0.9rem;
        margin-top: 0.4rem;
    }

    .brand-card p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-top: 0.3rem;
    }

    .brand-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .brand-logo {
        width: 70px;
        height: 70px;
        margin: 0 auto 0.8rem;
        padding: 8px;
    }

    .brand-logo img {
        max-width: 45px;
        max-height: 35px;
    }

    .brand-name {
        font-size: 0.9rem;
        margin-top: 0.4rem;
    }

    .brand-card p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-top: 0.3rem;
    }

    .brand-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .brand-logo {
        width: 70px;
        height: 70px;
        margin: 0 auto 0.8rem;
        padding: 8px;
    }

    .brand-logo img {
        max-width: 45px;
        max-height: 35px;
    }

    .brand-name {
        font-size: 0.9rem;
        margin-top: 0.4rem;
    }

    .brand-card p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-top: 0.3rem;
    }

    .brand-card {
        padding: 1rem;
        border-radius: 10px;
    }

    .brand-logo {
        width: 70px;
        height: 70px;
        margin: 0 auto 0.8rem;
        padding: 8px;
    }

    .brand-logo img {
        max-width: 45px;
        max-height: 35px;
    }

    .brand-name {
        font-size: 0.9rem;
        margin-top: 0.4rem;
    }

    .brand-card p {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-top: 0.3rem;
    }
    
    .stores-grid {
        grid-template-columns: 1fr;
    }

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

    .container {
        padding: 0 1rem;
    }

    /* 二维码展示区域响应式 */
    .qrcode-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .qrcode-image {
        width: 120px;
        height: 120px;
    }

    .qrcode-image i {
        font-size: 2.5rem;
    }

    .qrcode-section {
        padding: 2rem 1.5rem;
    }

    .qrcode-section h3 {
        font-size: 1.6rem;
    }

    .qrcode-description {
        font-size: 1rem;
    }

    .qrcode-item h4 {
        font-size: 1.2rem;
    }

    .qrcode-item p {
        font-size: 0.9rem;
    }
}