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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    position: fixed;
    width: 100%;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff6b00;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
}

.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content {
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: #ff6b00;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 2rem;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #ff8533;
}

section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.service-card {
    text-align: center;
    padding: 2rem;
    background: #f9f9f9;
    border-radius: 10px;
}

.service-card img {
    width: 80px;
    margin-bottom: 1rem;
}

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

.advantage-item {
    text-align: center;
    padding: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

textarea {
    height: 150px;
}

.submit-button {
    padding: 1rem;
    background: #ff6b00;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #ff8533;
}

footer {
    background: #333;
    color: white;
    padding: 3rem 5%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
} 

/* 动画效果 */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

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

/* 首页统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #ff6b00;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 15px;
    margin: 0 auto 1rem;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: white;
    left: 50%;
    transform: translateX(-50%);
    top: 10px;
    border-radius: 50%;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 20px); opacity: 0; }
}

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

.feature-box {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-box:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    margin-top: 1rem;
}

.feature-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    color: #ff6b00;
    position: absolute;
    left: 0;
}

/* 配送流程 */
.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin: 4rem 0;
    padding: 0 2rem;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    right: 0;
    height: 2px;
    background: #ddd;
    z-index: -1;
}

.process-step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #ff6b00;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* 客户评价 */
.testimonials-slider {
    display: flex;
    overflow-x: auto;
    gap: 2rem;
    padding: 2rem 0;
    scroll-snap-type: x mandatory;
}

.testimonial-card {
    min-width: 300px;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    scroll-snap-align: start;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
}

/* 联系我们改进 */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-info {
    background: #ff6b00;
    color: white;
    padding: 3rem;
}

.phone-number {
    font-size: 2rem;
    font-weight: bold;
    margin: 1rem 0;
}

.contact-methods {
    margin-top: 2rem;
}

.method {
    display: flex;
    align-items: center;
    margin: 1rem 0;
}

.method i {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        grid-template-columns: 1fr;
    }
}