/* ========================================
   MosGuard Pro - 专业驱蚊产品网站样式
   针对南非市场优化的响应式设计
======================================== */

/* ========================================
   成功横幅样式
======================================== */

.success-banner {
    position: fixed;
    top: -100px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #2ECC71, #27AE60);
    color: white;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.4);
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.success-banner.show {
    transform: translateY(100px);
}

.success-banner.hide {
    transform: translateY(-100%);
}

.banner-content {
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-md);
}

.banner-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.banner-message {
    flex-grow: 1;
}

.banner-message h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.banner-message p {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.banner-message small {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    font-family: monospace;
}

.banner-close {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.banner-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 响应式样式 */
@media (max-width: 768px) {
    .success-banner .banner-content {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .success-banner .banner-icon {
        font-size: 1.5rem;
    }

    .success-banner .banner-message h4 {
        font-size: var(--font-size-md);
    }

    .success-banner .banner-message p {
        font-size: var(--font-size-xs);
    }
}
======================================== */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 色彩变量 */
    --primary-green: #2ECC71;
    --primary-green-dark: #27AE60;
    --accent-orange: #FF9500;
    --accent-orange-dark: #E8730C;
    --text-dark: #2C3E50;
    --text-gray: #7F8C8D;
    --text-light: #BDC3C7;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-light: #E1E8ED;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    
    /* 字体变量 */
    --font-primary: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    
    /* 间距变量 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* 边框圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* ==================== 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--primary-green);
    text-decoration: none;
}

.nav-logo:hover {
    color: var(--primary-green-dark);
    text-decoration: none;
}

.nav-logo:visited {
    color: var(--primary-green);
}

.logo-img {
    width: 32px;
    height: 32px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--primary-green);
    background-color: rgba(46, 204, 113, 0.1);
}

.nav-link.cta-button {
    background: var(--primary-green);
    color: var(--bg-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
}

.nav-link.cta-button:hover {
    background: var(--primary-green-dark);
    color: var(--bg-white);
}

/* 移动端导航 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ==================== 英雄区域 ==================== */
main {
    margin-top: 80px;
}

.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F8F9FA 0%, #E8F5E8 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.hero-title .highlight {
    color: var(--primary-green);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 3px;
    background: var(--accent-orange);
    border-radius: 2px;
}

.hero-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-benefits {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.benefit-icon {
    font-size: var(--font-size-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-md);
    transition: var(--transition-normal);
    display: inline-block;
    text-align: center;
    min-width: 140px;
}

.cta-primary {
    background: var(--primary-green);
    color: var(--bg-white);
    box-shadow: var(--shadow-light);
}

.cta-primary:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.cta-secondary {
    background: var(--bg-white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.cta-secondary:hover {
    background: var(--primary-green);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.product-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
}

.trust-badges {
    position: absolute;
    bottom: -20px;
    right: 20px;
    display: flex;
    gap: var(--spacing-xs);
}

.badge {
    width: 50px;
    height: 50px;
    background: var(--bg-white);
    border-radius: 50%;
    padding: var(--spacing-xs);
    box-shadow: var(--shadow-light);
}

/* ==================== 通用区域样式 ==================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== 产品特点区域 ==================== */
.features {
    background: var(--bg-light);
}

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

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ==================== 使用场景区域 ==================== */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.scenario-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

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

.scenario-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.scenario-content {
    padding: var(--spacing-lg);
}

.scenario-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.scenario-text {
    color: var(--text-gray);
}

/* ==================== 用户评价区域 ==================== */
.testimonials {
    background: var(--bg-light);
}

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

.testimonial-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.rating {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-md);
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

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

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

.author-name {
    font-weight: 600;
    color: var(--text-dark);
    display: block;
}

.author-location {
    font-size: var(--font-size-xs);
    color: var(--text-gray);
}

/* ==================== 购买区域 ==================== */
.buy-section {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--bg-white);
}

.buy-section .section-title,
.buy-section .section-subtitle {
    color: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 420px; /* 确保所有卡片高度一致 */
    opacity: 1 !important; /* 强制显示套餐卡片 */
    transform: translateY(0) !important; /* 强制正常位置 */
}

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

.package-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: var(--bg-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.package-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.package-price {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.price-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-gray);
    margin-bottom: var(--spacing-xs);
}

.current-price {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-green);
}

.profit-info {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-gray);
    margin-top: var(--spacing-xs);
}

.package-quantity {
    margin-bottom: var(--spacing-lg);
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(46, 204, 113, 0.1);
    border-radius: var(--radius-md);
}

.quantity-label {
    display: block;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.profit-highlight {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-green);
}

.original-price {
    font-size: var(--font-size-md);
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: var(--spacing-xs);
}


.package-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
    flex-grow: 1; /* 让列表占用剩余空间 */
}

.package-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
}

.buy-button {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--primary-green);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--primary-green); /* 所有按钮默认绿色 */
    color: var(--bg-white); /* 白色文字 */
    margin-top: auto; /* 将按钮推到卡片底部 */
}

.buy-button.primary {
    background: var(--primary-green); /* 保持一致的绿色 */
    color: var(--bg-white);
    border: 2px solid var(--primary-green);
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: var(--primary-green-dark); /* 悬停时变深绿 */
    color: var(--bg-white);
    border: 2px solid var(--primary-green-dark);
}

.buy-button.primary:hover {
    background: var(--primary-green-dark); /* 统一的深绿色悬停效果 */
    border: 2px solid var(--primary-green-dark);
}

/* 点击效果 - 变橙色表示"正在处理" */
.buy-button:active {
    background: var(--accent-orange); /* 点击时变橙色 */
    border: 2px solid var(--accent-orange);
    color: var(--bg-white);
    transform: translateY(0px); /* 按下效果 */
    transition: var(--transition-fast); /* 快速响应点击 */
    box-shadow: 0 2px 8px rgba(255, 149, 0, 0.3); /* 橙色阴影 */
}

.buy-button.primary:active {
    background: var(--accent-orange); /* 主按钮点击时也变橙色 */
    border: 2px solid var(--accent-orange);
    transform: translateY(0px);
}

.guarantee-section {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--bg-white);
}

.guarantee-icon {
    font-size: var(--font-size-lg);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-green);
}

.footer-description {
    color: var(--text-light);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-green);
}

.contact-info p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--text-gray);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom .footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

/* ==================== 弹窗样式 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--bg-white);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.3s ease;
}

.close {
    color: var(--text-gray);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close:hover {
    color: var(--text-dark);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

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

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

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
}

.order-summary {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: var(--font-size-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
    margin-top: var(--spacing-sm);
}

.submit-order {
    background: var(--primary-green);
    color: var(--bg-white);
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.submit-order:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
}

/* ==================== 动画 ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 悬浮联系菜单 ==================== */
.floating-menu {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
}

.menu-item {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    pointer-events: auto;
    z-index: 1001;
}

.menu-item:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* 切换按钮 */
.btn-toggle {
    background: #2c3e50;
    color: white;
    font-size: 20px;
    font-weight: bold;
    transform: rotate(0deg);
    transition: all 0.3s ease;
}

.btn-toggle:hover {
    background: #34495e;
    transform: scale(1.1) rotate(0deg);
}

.btn-toggle.collapsed {
    transform: rotate(45deg);
}

.btn-toggle.collapsed:hover {
    transform: scale(1.1) rotate(45deg);
}

/* WhatsApp按钮 */
.btn-whatsapp {
    background: #25d366;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    background: #128c7e;
}

.whatsapp-icon {
    width: 28px;
    height: 28px;
    fill: currentColor;
    pointer-events: none;
}

/* 邮件按钮 */
.btn-email {
    background: #3498db;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.btn-email:hover {
    background: #2980b9;
}

/* 表单按钮 */
.btn-note {
    background: #e74c3c;
    color: white;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.btn-note:hover {
    background: #c0392b;
}

/* 收起状态 */
.floating-menu.collapsed .btn-whatsapp {
    opacity: 0;
    transform: translateY(20px);
    transition-delay: 0s;
}

.floating-menu.collapsed .btn-email {
    opacity: 0;
    transform: translateY(20px);
    transition-delay: 0s;
}

.floating-menu.collapsed .btn-note {
    opacity: 0;
    transform: translateY(20px);
    transition-delay: 0s;
}

/* 工具提示 */
.menu-item::before {
    content: attr(title);
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-right: 12px;
    pointer-events: none;
}

.menu-item::after {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-right: 6px;
    pointer-events: none;
}

.menu-item:hover::before,
.menu-item:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .floating-menu {
        right: 15px;
        bottom: 15px;
    }
    
    .menu-item {
        width: 48px;
        height: 48px;
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .whatsapp-icon {
        width: 24px;
        height: 24px;
    }
    
    /* 移动端隐藏工具提示 */
    .menu-item::before,
    .menu-item::after {
        display: none;
    }
}

/* ==================== 响应式设计 ==================== */

/* 平板设备 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.25rem;
        --spacing-2xl: 3rem;
    }
    
    .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-light);
        padding: var(--spacing-lg) 0;
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-benefits {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .scenarios-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .guarantee-section {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .feature-card,
    .testimonial-card,
    .pricing-card {
        padding: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .benefit-item {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
}

/* 关于我们栏目样式 */
.about-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-green) 50%, transparent 100%);
}

.about-content {
    margin-top: var(--spacing-2xl);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.about-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-orange));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.about-icon {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.about-title {
    color: var(--text-dark);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.about-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* B端优势列表样式 */
.advantage-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-list li {
    color: var(--text-gray);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(33, 150, 243, 0.1);
    transition: all 0.2s ease;
}

.advantage-list li:hover {
    color: var(--primary-green-dark);
    padding-left: var(--spacing-sm);
}

/* ==================== 横向订单弹窗布局 ==================== */

/* 横向布局样式 */
.modal-content.horizontal-layout {
    width: 90% !important;
    max-width: 1000px !important;
    max-height: 90vh !important;
    padding: 0 !important;
    margin: 2% auto !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-title {
    text-align: center;
    color: var(--primary-green);
    font-size: 1.75rem;
    margin: 0 !important;
    padding: 1.5rem 2rem 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0;
    min-height: 500px;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
    flex: 1;
}

/* 左侧表单区域 */
.form-section {
    padding: 2rem;
    border-right: 2px solid #f0f0f0;
}

/* 右侧摘要区域 */
.summary-section {
    padding: 2rem;
    background: #fafafa;
    min-width: 280px;
    max-width: 100%;
}

/* 弹窗保障信息样式 */
.guarantee-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid #e1e8ed;
}

.guarantee-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* 当只有3个项目时，第三个项目跨越两列 */
.guarantee-item:nth-child(3):last-child {
    grid-column: 1 / -1;
    justify-self: center;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-dark);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.guarantee-icon {
    font-size: var(--font-size-md);
    flex-shrink: 0;
}

.guarantee-text {
    color: var(--text-dark);
    font-size: var(--font-size-xs);
}

.section-title {
    color: var(--primary-green);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* 表单行布局 */
.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group.half {
    flex: 1;
}

/* 产品信息区域 */
.product-info {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    width: 100%;
    box-sizing: border-box;
}

.product-image {
    flex-shrink: 0;
    width: 80px;
}

.summary-product-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
}

.product-details {
    flex: 1;
    min-width: 0; /* 防止文本溢出 */
    overflow: hidden; /* 防止内容溢出容器 */
}

.product-name {
    color: var(--primary-green);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.3;
    white-space: normal;
}

.product-desc {
    color: var(--text-medium);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

/* 价格详情 */
.pricing-details {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.summary-divider {
    height: 1px;
    background: #e0e0e0;
    margin: 1rem 0;
}

/* 信任指示器 */
.trust-indicators {
    display: flex;
    justify-content: space-between;
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.trust-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.trust-text {
    font-size: 0.8rem;
    color: var(--text-medium);
    font-weight: 500;
}

/* 关闭按钮优化 */
.close {
    position: absolute !important;
    top: 1rem !important;
    right: 1.5rem !important;
    color: var(--text-medium);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 1;
    transition: var(--transition-normal);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    float: none !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content.horizontal-layout {
        width: 95% !important;
        margin: 1% auto !important;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-section {
        border-right: none;
        border-bottom: 2px solid #f0f0f0;
        padding: 1.5rem;
    }
    
    .summary-section {
        padding: 1.5rem;
    }

    /* 弹窗保障信息移动端样式 */
    .guarantee-items {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .guarantee-item {
        font-size: var(--font-size-xs);
    }

    .guarantee-icon {
        font-size: var(--font-size-sm);
    }
    
    .form-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-group.half {
        flex: none;
    }
    
    .product-info {
        flex-direction: column;
        text-align: center;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
    
    .modal-title {
        font-size: 1.5rem;
        padding: 1rem 1.5rem 0.5rem;
    }
}

.advantage-list li:last-child {
    border-bottom: none;
}

/* 联系信息样式 */
.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 149, 0, 0.05);
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
}

.contact-item:hover {
    background: rgba(255, 149, 0, 0.1);
}

.contact-icon {
    font-size: 1.2rem;
    margin-right: var(--spacing-md);
    margin-top: 2px;
}

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

.contact-link {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--primary-green);
}

/* 联系按钮样式 */
.contact-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.whatsapp-btn,
.phone-btn {
    flex: 1;
    min-width: 140px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: 2px solid transparent;
}

.whatsapp-btn:hover {
    background: linear-gradient(135deg, #128C7E, #25D366);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.phone-btn {
    background: var(--bg-white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.phone-btn:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.3);
}

/* 企业实力数据展示 */
.company-stats {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    margin-top: var(--spacing-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.05), rgba(255, 149, 0, 0.05));
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(255, 149, 0, 0.1));
    transform: translateY(-3px);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-gray);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* 响应式设计 - 关于我们栏目 */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-card {
        padding: var(--spacing-lg);
    }
    
    .contact-cta {
        flex-direction: column;
    }
    
    .whatsapp-btn,
    .phone-btn {
        min-width: auto;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .about-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .about-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .about-title {
        font-size: var(--font-size-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-icon {
        margin-bottom: var(--spacing-xs);
        margin-right: 0;
    }
}