/* Basic Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif; /* Or 'Roboto', 'Open Sans', etc. */
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tailwind CSS utility classes (if not used via PostCSS) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.space-x-4 > *:not(:first-child) {
    margin-left: 1rem;
}

.text-gray-600 {
    color: #4b5563;
}

.hover\:text-blue-700:hover {
    color: #1d4ed8;
}

.transition-colors {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.duration-300 {
    transition-duration: 300ms;
}

.mr-1 {
    margin-right: 0.25rem;
}

.space-x-3 > *:not(:first-child) {
    margin-left: 0.75rem;
}

.site-header .main-navigation {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.site-header .logo img {
    height: 2.5rem;
}

.site-header .logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
}

.site-header .nav-links a, .site-header .dropdown button {
    color: #374151;
    font-weight: 600;
    transition: color 0.3s ease;
}

.site-header .nav-links a:hover, .site-header .dropdown button:hover {
    color: #2563eb;
}

.site-header .dropdown-menu {
    display: none;
    position: absolute;
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 0.375rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    width: 12rem;
    z-index: 10;
}

.site-header .dropdown:hover .dropdown-menu {
    display: block;
}

.site-header .dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: #1f2937;
    transition: background-color 0.3s ease;
}

.site-header .dropdown-menu a:hover {
    background-color: #f3f4f6;
}

.site-header .header-actions button, .site-header .header-actions a {
    color: #374151;
    transition: color 0.3s ease;
}

.site-header .header-actions button:hover, .site-header .header-actions a:hover {
    color: #2563eb;
}

.site-header .btn-outline-primary {
    border: 1px solid #2563eb;
    color: #2563eb;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.site-header .btn-outline-primary:hover {
    background-color: #2563eb;
    color: #ffffff;
}

.mobile-menu-overlay, .search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(17, 24, 39, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active, .search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-overlay .close-menu-btn, .search-overlay .close-search-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-menu-overlay ul li a {
    color: #ffffff;
    font-size: 1.5rem;
    padding: 0.75rem 0;
    display: block;
    transition: color 0.3s ease;
}

.mobile-menu-overlay ul li a:hover {
    color: #60a5fa;
}

.search-overlay input[type="search"] {
    width: 100%;
    padding: 1rem;
    font-size: 1.25rem;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid #ffffff;
    color: #ffffff;
    outline: none;
}

.search-overlay input[type="search"]::placeholder {
    color: #d1d5db;
}

.search-overlay input[type="search"]:focus {
    border-color: #60a5fa;
}

/* Footer Styles */
.site-footer {
    background-color: #1f2937;
    color: #d1d5db;
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.site-footer h3 {
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.site-footer p {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.site-footer ul li a {
    color: #9ca3af;
    font-size: 0.875rem;
    transition: color 0.3s ease;
    display: block;
    padding: 0.25rem 0;
}

.site-footer ul li a:hover {
    color: #ffffff;
}

.site-footer .social-links a {
    color: #9ca3af;
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.site-footer .social-links a:hover {
    color: #ffffff;
}

.site-footer .contact-info p i {
    margin-right: 0.5rem;
}

.site-footer .contact-info a {
    color: #9ca3af;
    transition: color 0.3s ease;
}

.site-footer .contact-info a:hover {
    color: #ffffff;
}

.site-footer form input[type="email"] {
    background-color: #374151;
    border: 1px solid #4b5563;
    color: #ffffff;
    padding: 0.625rem 0.75rem;
    border-radius: 0.375rem 0 0 0.375rem;
    font-size: 0.875rem;
    outline: none;
}

.site-footer form input[type="email"]:focus {
    border-color: #3b82f6;
}

.site-footer form button {
    background-color: #2563eb;
    color: #ffffff;
    padding: 0.625rem 1rem;
    border-radius: 0 0.375rem 0.375rem 0;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.site-footer form button:hover {
    background-color: #1d4ed8;
}

.site-footer .footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: #9ca3af;
}

.site-footer .footer-bottom a {
    color: #9ca3af;
    transition: color 0.3s ease;
}

.site-footer .footer-bottom a:hover {
    color: #ffffff;
}

.site-footer .footer-bottom .fa-heart {
    color: #ef4444;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-top-bar {
        display: none;
    }

    .site-header .nav-links {
        display: none;
    }

    .site-header .header-actions .btn-outline-primary {
        display: none;
    }

    .site-header .menu-toggle {
        display: block;
    }

    .site-footer .grid-cols-1 {
        grid-template-columns: 1fr;
    }

    .site-footer .footer-col {
        margin-bottom: 2rem;
    }

    .site-footer .footer-col:last-child {
        margin-bottom: 0;
    }
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}