/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    min-height: 100vh;
    padding-bottom: 60px; /* For bottom navigation */
}

/* Common Colors */
:root {
    --primary-color: #ff7043;
    --secondary-color: #4CAF50;
    --text-color: #333;
    --light-text: #666;
    --lighter-text: #999;
    --background-color: #f5f5f5;
    --card-background: #fff;
    --border-color: #eee;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Bottom Navigation Bar */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    display: flex;
    border-top: 1px solid #eee;
    height: 60px;
    z-index: 100;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #999;
    font-size: 12px;
    cursor: pointer;
}

.active {
    color: var(--primary-color);
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 3px;
}

/* Common UI Elements */
.tips {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #48413e;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    z-index: 1000;
}

/* Search Bar Styles */
.search-container {
    background-color: var(--primary-color);
    padding: 15px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.search-box {
    background-color: #fff;
    display: flex;
    align-items: center;
    padding: 8px 15px;
    max-width: 600px;
    margin: 0 auto;
}

.search-icon {
    color: #999;
    margin-right: 10px;
}

.search-input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 16px;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    background-color: #f5f5f5;
}

.tab {
    flex: 1;
    text-align: center;
    padding: 15px 0;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #fff;
}

/* Loading States */
.loading, .loading-more, .error, .no-data {
    padding: 20px;
    text-align: center;
    background-color: #fff;
    border-radius: 5px;
    margin: 10px 0;
}

.loading i, .loading-more i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.loading-more {
    padding: 15px;
    font-size: 0.9em;
    color: #666;
}

.error {
    color: #f44336;
}

.no-data {
    color: #888;
}

/* Company Card/Item Common Styles */
.company-item, .comment-item {
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 15px;
    box-shadow: var(--shadow);
}

/* Responsive Design */
@media (min-width: 768px) {
    .container {
        max-width: 768px;
        margin: 0 auto;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}