/* General Reset & Base Styles */
body, h1, h2, h3, p, ul, li, a {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SimSun', 'SongTi', '楷体', 'KaiTi', serif; /* Classic Chinese fonts, fallback to serif */
    line-height: 1.6;
    color: #333; /* Dark grey for text, good readability */
}

body {
    background-color: #f4f1e9; /* Light beige/off-white, TCM feel */
    font-size: 16px;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: #ffffff; /* White header for cleanliness */
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.8em;
    font-weight: bold;
    color: #5a8b43; /* A calming green, associated with health and nature */
    text-decoration: none;
    font-family: 'KaiTi', '楷体', serif; /* More distinct font for logo */
}

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

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover, nav ul li a.active {
    color: #5a8b43; /* Green hover for links */
}

/* Hero Section */
#hero {
    background: url('placeholder-tcm-banner.jpg') no-repeat center center/cover; /* Placeholder for a TCM-themed banner */
    color: #fff;
    text-align: center;
    padding: 100px 20px;
    position: relative;
}
/* Add a semi-transparent overlay for better text readability on hero image */
#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4); /* Dark overlay */
}
#hero .container {
    position: relative; /* Ensure content is above overlay */
    z-index: 1;
}

#hero h1 {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-family: 'KaiTi', '楷体', serif;
    color: #fff;
}

#hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #e0e0e0;
}

.cta-button {
    display: inline-block;
    background-color: #8a6d3b; /* A traditional brown/gold color, TCM aesthetic */
    color: #fff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #705830; /* Darker shade on hover */
}

.cta-button-secondary {
    display: inline-block;
    background-color: transparent;
    color: #5a8b43; /* Green */
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    border: 2px solid #5a8b43;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cta-button-secondary:hover {
    background-color: #5a8b43;
    color: #fff;
}


/* General Section Styling */
.section-padding {
    padding: 60px 0;
}
.section-padding-light {
    padding: 60px 0;
    background-color: #fff; /* Alternate section with white background for contrast */
}
.section-padding-cta {
    padding: 60px 0;
    background-color: #e6e0d5; /* Slightly different beige for CTA section */
    text-align: center;
}
.section-padding-cta h2 {
     margin-bottom: 15px;
}
.section-padding-cta p {
    margin-bottom: 30px;
    font-size: 1.1em;
    color: #444;
}


section h2 {
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 40px;
    color: #5a8b43; /* Green for headings */
    font-family: 'KaiTi', '楷体', serif;
}

/* Service Grid */
.service-grid, .reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-item, .reason-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover, .reason-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
}

.service-item img {
    width: 60px; /* Adjust as needed */
    height: 60px;
    margin-bottom: 15px;
    /* Placeholder styling for icons - user should replace with actual icons */
    background-color: #e0f0e0;
    border-radius: 50%;
    padding: 10px;
    display: inline-block;
}

.service-item h3, .reason-item h3 {
    font-size: 1.4em;
    color: #8a6d3b; /* Brown/gold for subheadings */
    margin-bottom: 10px;
}

.service-item p, .reason-item p {
    font-size: 0.95em;
    color: #555;
}

/* About Us Section (Homepage) */
#about p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px auto;
    font-size: 1.1em;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.news-item {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    border-left: 4px solid #8a6d3b; /* Accent border */
}

.news-item h3 a {
    text-decoration: none;
    color: #5a8b43;
    font-size: 1.3em;
}
.news-item h3 a:hover {
    text-decoration: underline;
}

.news-item p {
    font-size: 0.9em;
    color: #666;
    margin: 10px 0;
}
.news-item span {
    font-size: 0.8em;
    color: #888;
}


/* Footer */
footer {
    background-color: #3a3a3a; /* Dark footer for contrast */
    color: #ccc;
    padding: 40px 0 20px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.3em;
    border-bottom: 1px solid #555;
    padding-bottom: 8px;
}

.footer-col p, .footer-col ul li a {
    color: #bbb;
    text-decoration: none;
    font-size: 0.95em;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a:hover {
    color: #fff;
    text-decoration: underline;
}

.copyright {
    text-align: center;
    border-top: 1px solid #555;
    padding-top: 20px;
    font-size: 0.9em;
}
.copyright p {
    color: #aaa;
}

/* Responsive Adjustments (Basic) */
@media (max-width: 768px) {
    .logo a {
        font-size: 1.5em;
    }
    nav ul {
        /* Consider a mobile menu toggle for smaller screens */
        flex-direction: column;
        align-items: center;
        display: none; /* Simplification: hide for now or implement JS toggle */
    }
    nav ul li {
        margin: 10px 0;
    }
    #hero h1 {
        font-size: 2.2em;
    }
    #hero p {
        font-size: 1em;
    }
    .service-grid, .reasons-grid, .news-grid, .footer-content {
        grid-template-columns: 1fr; /* Stack items on smaller screens */
    }
}

/* Join Us Page Specific Styles */
.join-form-container {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    max-width: 700px;
    margin: 40px auto; /* Center form on the page */
}

.join-form-container h1 {
    text-align: center;
    color: #5a8b43;
    margin-bottom: 30px;
    font-family: 'KaiTi', '楷体', serif;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #444;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    font-family: 'SimSun', 'SongTi', serif; /* Ensure consistent font in inputs */
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #5a8b43;
    box-shadow: 0 0 0 2px rgba(90, 139, 67, 0.2);
}


.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #8a6d3b;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #705830;
}

/* Placeholder for actual images - user needs to provide these */
/* Example:
.icon-consult { background-image: url('path/to/consult-icon.svg'); }
*/