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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航 */
.navbar {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links li a {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 25px;
    transition: background 0.3s;
}

.nav-links li a:hover {
    background: rgba(255,255,255,0.2);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn-primary {
    background: #fff;
    color: #764ba2;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s;
    display: inline-block;
}

.btn-primary:hover {
    transform: scale(1.05);
}

.btn-secondary {
    background: #2575fc;
    color: #fff;
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
    margin-top: 15px;
}

/* Sections */
.features, .section {
    padding: 60px 0;
}

.features h2, .section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card p {
    color: #666;
    margin-bottom: 15px;
}

.card a {
    color: #2575fc;
    text-decoration: none;
    font-weight: 600;
}

/* Hospital Grid */
.hospital-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.hospital-card {
    background: #fff;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.hospital-card:hover {
    transform: translateY(-5px);
}

.hospital-card h3 {
    color: #2575fc;
    margin-bottom: 10px;
}

.hospital-card p {
    margin-bottom: 8px;
}

.hospital-card a {
    color: #764ba2;
    text-decoration: none;
    font-weight: 600;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-item h4 {
    color: #2575fc;
    margin-bottom: 8px;
}

/* Posts */
.post-list {
    max-width: 800px;
    margin: 0 auto;
}

.post-item {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.post-item h4 {
    color: #333;
    margin-bottom: 5px;
}

.post-item p {
    color: #666;
}

/* Footer */
.footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
}

.footer a {
    color: #2575fc;
    text-decoration: none;
}

/* Admin */
.login-container, .admin-container {
    max-width: 500px;
    margin: 80px auto;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.login-container h2, .admin-container h2 {
    text-align: center;
    margin-bottom: 30px;
}

.login-container form, .admin-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-container input, .admin-container input, .admin-container textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
}

.login-container button, .admin-container button {
    padding: 12px;
    background: #2575fc;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.login-container button:hover, .admin-container button:hover {
    background: #1a5bbf;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background: #2575fc;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        padding: 20px;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }
}

/* 内页通用 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
}

.page-content {
    padding: 40px 0;
}

.filter-bar {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.filter-bar select, .filter-bar input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
}