/* 基础样式 */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* 顶部导航栏 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.title {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.search-box {
    position: relative;
    width: 200px;
}

.search-box input {
    width: 100%;
    padding: 8px 30px 8px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
}

.search-box .fa-search {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #7f8c8d;
}

/* 核心功能区 */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s;
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    color: white;
    font-size: 20px;
}

.feature-item:nth-child(1) .feature-icon {
    background-color: #3498db; /* 校园跑腿 - 蓝色 */
}

.feature-item:nth-child(2) .feature-icon {
    background-color: #2ecc71; /* 我的课表 - 绿色 */
}

.feature-item:nth-child(3) .feature-icon {
    background-color: #e74c3c; /* 期末刷题 - 红色 */
}

.feature-item:nth-child(4) .feature-icon {
    background-color: #f39c12; /* 资料下载 - 橙色 */
}

.feature-item:nth-child(5) .feature-icon {
    background-color: #9b59b6; /* 主题更换 - 紫色 */
}

.feature-item:nth-child(6) .feature-icon {
    background-color: #1abc9c; /* 个人中心 - 青色 */
}

.feature-name {
    font-size: 14px;
    font-weight: 500;
}

/* 订单区域 */
.section-title {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.order-list {
    background-color: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.order-item {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.order-item:last-child {
    border-bottom: none;
}

.order-id {
    font-weight: bold;
    margin-bottom: 5px;
}

.order-task {
    color: #7f8c8d;
    margin-bottom: 5px;
    font-size: 14px;
}

.order-status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.status-pending {
    background-color: #f39c12;
    color: white;
}

.status-in-progress {
    background-color: #3498db;
    color: white;
}

.status-completed {
    background-color: #2ecc71;
    color: white;
}

/* 交互效果 */
.feature-icon {
    transition: all 0.3s ease;
}

.order-item {
    transition: background-color 0.2s;
    cursor: pointer;
}

.order-item:hover {
    background-color: #f8f9fa;
}