/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #67AD5B 0%, #5a9c4f 100%);
    color: white;
    padding: 25px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.header::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 20"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" style="stop-color:%23ffffff;stop-opacity:0.1" /><stop offset="100%" style="stop-color:%23ffffff;stop-opacity:0" /></radialGradient></defs><circle cx="10" cy="10" r="8" fill="url(%23a)" /><circle cx="30" cy="5" r="4" fill="url(%23a)" /><circle cx="60" cy="15" r="6" fill="url(%23a)" /><circle cx="85" cy="8" r="5" fill="url(%23a)" /></svg>');
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-image {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.logo-text h1 {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 5px;
    margin: 0;
}

.logo-text .tagline {
    font-size: 1.1em;
    opacity: 0.9;
    font-weight: 300;
    display: block;
    margin-top: 5px;
}

/* 主要内容区域 */
main {
    min-height: calc(100vh - 140px);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #f8fdf7 0%, #e8f5e4 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(103, 173, 91, 0.03) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.1); opacity: 0.8; }
}

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

.hero-content h2 {
    font-size: 3.5em;
    background: linear-gradient(135deg, #67AD5B 0%, #5a9c4f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    font-weight: 800;
    text-shadow: 0 4px 8px rgba(103, 173, 91, 0.1);
}

.hero-content p {
    font-size: 1.4em;
    color: #555;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    font-weight: 400;
}

.qr-code {
    margin: 50px auto;
    text-align: center;
}

.qr-image {
    width: 220px;
    height: 220px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(103, 173, 91, 0.15);
    transition: all 0.3s ease;
    display: block;
    margin: 0 auto;
}

.qr-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(103, 173, 91, 0.25);
}

.qr-text {
    margin-top: 15px;
    color: #67AD5B;
    font-size: 1.2em;
    font-weight: 600;
}

/* 特色功能区域 */
.features {
    padding: 80px 0;
    background: white;
}

.features h3 {
    text-align: center;
    font-size: 2.5em;
    color: #333;
    margin-bottom: 60px;
    font-weight: 700;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 35px 20px;
    border-radius: 20px;
    background: white;
    transition: all 0.3s ease;
    border: 2px solid #67AD5B;
    position: relative;
    overflow: hidden;
    height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 15px;
}

.feature-item.featured {
    background: linear-gradient(135deg, #f8fdf7 0%, #e8f5e4 100%);
    border: 2px solid #67AD5B;
    box-shadow: 0 8px 25px rgba(103, 173, 91, 0.15);
}

.feature-item.featured::before {
    content: '⭐';
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.3em;
    color: #67AD5B;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(103, 173, 91, 0.2);
    border-color: #67AD5B;
}

.feature-item.featured:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(103, 173, 91, 0.3);
}

.feature-icon {
    font-size: 3em;
    margin-bottom: 0;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.4em;
    color: #67AD5B;
    margin: 0;
    font-weight: 600;
    flex-shrink: 0;
}

.feature-item p {
    color: #666;
    font-size: 1em;
    line-height: 1.5;
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
    text-align: center;
}

/* 关于我们区域 */
.about {
    background: linear-gradient(135deg, #f8fdf7 0%, #e8f5e4 100%);
    padding: 80px 0;
}

.about-title {
    text-align: center;
    font-size: 2.8em;
    color: #333;
    margin-bottom: 50px;
    font-weight: 800;
    background: linear-gradient(135deg, #67AD5B 0%, #5a9c4f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(103, 173, 91, 0.1);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
    text-align: justify;
}

.about-content .highlight {
    font-size: 1.4em;
    font-weight: 600;
    background: linear-gradient(135deg, #67AD5B 0%, #5a9c4f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    border-radius: 15px;
    background-color: rgba(103, 173, 91, 0.05);
    border: 1px solid rgba(103, 173, 91, 0.2);
}

/* 底部样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.company-info p {
    margin-bottom: 8px;
    font-size: 1em;
}

.company-info a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-info a:hover {
    color: #67AD5B;
}

.copyright p {
    color: #bdc3c7;
    font-size: 0.9em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        gap: 15px;
    }
    
    .logo-image {
        width: 50px;
        height: 50px;
    }
    
    .logo-text h1 {
        font-size: 2em;
    }
    
    .hero-content h2 {
        font-size: 2.2em;
    }
    
    .hero-content p {
        font-size: 1.1em;
    }
    
    .features h3 {
        font-size: 2em;
    }
    
    .about h3 {
        font-size: 2.2em;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .hero {
        padding: 50px 0;
    }
    
    .features,
    .about {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .logo {
        gap: 10px;
    }
    
    .logo-image {
        width: 40px;
        height: 40px;
    }
    
    .logo-text h1 {
        font-size: 1.8em;
    }
    
    .logo-text .tagline {
        font-size: 1em;
    }
    
    .hero-content h2 {
        font-size: 1.8em;
    }
    
    .qr-image {
        width: 180px;
        height: 180px;
    }
    
    .qr-text {
        font-size: 1.1em;
    }
    
    .feature-item {
        padding: 30px 15px;
        height: 300px;
    }
    
    .feature-item h4 {
        font-size: 1.3em;
    }
    
    .feature-item p {
        font-size: 0.95em;
        line-height: 1.4;
    }
    
    .features h3 {
        font-size: 1.8em;
    }
    
    .about h3 {
        font-size: 2em;
    }
}