/* 飞兔递官网主样式文件 */

/* 全局重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* 顺丰色彩规范 */
:root {
    --primary-color: #003F7F;    /* 深蓝色 */
    --secondary-color: #FF6600;  /* 橙色 */
    --bg-color: #FFFFFF;         /* 白色 */
    --text-color: #333333;       /* 深灰色 */
    --border-color: #E5E5E5;     /* 浅灰色 */
    --light-bg: #F8F9FA;        /* 浅色背景 */
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    background: var(--bg-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
}

.logo-image {
    height: 50px;
    width: auto;
    margin-right: 12px;
    border-radius: 8px;
}

.logo-text h1 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 2px;
}

.logo-text span {
    font-size: 12px;
    color: #666;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary-color);
}

/* 英雄区域 */
.hero {
    position: relative;
    overflow: hidden;
}

/* 默认蓝色背景样式 */
.hero-default {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

/* Banner轮播容器 */
.banner-carousel {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.banner-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.banner-slide .container {
    position: relative;
    z-index: 2;
}

/* Banner控制按钮 */
.banner-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
    pointer-events: none;
}

.banner-btn {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    color: #333;
    transition: all 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

/* Banner指示器 */
.banner-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-indicator.active,
.banner-indicator:hover {
    background: white;
    border-color: white;
}

.hero h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 102, 0, 0.3);
}

/* 优势展示区域 */
.advantages {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: #666;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.advantage-card p {
    color: #666;
    line-height: 1.7;
}

/* 客户案例区域 */
.cases {
    padding: 80px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 25px;
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-type {
    background: var(--secondary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    display: inline-block;
    margin-bottom: 15px;
}

.case-card h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.case-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 底部区域 */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 30px;
    text-align: center;
}

.contact-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    margin-bottom: 40px;
}

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

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.wechat-qr {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    border: 2px solid white;
}

.phone {
    font-size: 24px;
    font-weight: bold;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }
    
    .nav-menu {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 20px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .banner-carousel {
        height: 400px;
    }
    
    .banner-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .banner-controls {
        padding: 0 10px;
    }
    
    .banner-indicator {
        width: 10px;
        height: 10px;
    }
    
    .advantages-grid, .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 30px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 页面切换动画 */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}