/* Basic Resets & Global Styles */
:root {
    --primary-color: #0a4f21; /* Dark Green */
    --secondary-color: #ffd700; /* Gold */
    --accent-color: #e74c3c; /* Red for highlights */
    --text-color: #333;
    --light-text-color: #f8f8f8;
    --background-dark: #1a1a1a;
    --background-light: #ffffff;
    --border-color: #ddd;
    --hover-effect: brightness(1.2);
    --transition-speed: 0.3s ease;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f4f4f4;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.btn-login {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--secondary-color);
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-register {
    background-color: var(--accent-color);
    color: var(--light-text-color);
    border: 1px solid var(--accent-color);
    margin-left: 10px;
}

.btn-register:hover {
    background-color: #c0392b;
}

/* Marquee Section */
.marquee-section {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 8px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    font-size: 0.95em;
    border-bottom: 2px solid var(--secondary-color);
}

.marquee-container {
    display: inline-block;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-content span {
    margin-right: 50px; /* Space between messages */
    display: inline-block;
}

@keyframes marquee-scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Header Styles */
.main-header {
    background-color: var(--background-dark);
    color: var(--light-text-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-bar {
    background-color: #0d0d0d;
    padding: 8px 0;
    font-size: 0.85em;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.top-bar-left p {
    margin: 0;
    display: flex;
    align-items: center;
}

.top-bar-left i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.top-bar-right {
    display: flex;
    align-items: center;
}

.social-links a {
    color: var(--light-text-color);
    margin-left: 15px;
    font-size: 1.1em;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.language-selector select {
    background-color: transparent;
    color: var(--light-text-color);
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: 5px;
    margin-left: 20px;
    cursor: pointer;
    appearance: none; /* Remove default arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffd700'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 18px;
}

.language-selector select option {
    background-color: var(--background-dark);
    color: var(--light-text-color);
}

.navbar-primary {
    padding: 15px 0;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.main-navigation .nav-links {
    display: flex;
    gap: 25px;
}

.main-navigation .nav-links > li {
    position: relative;
}

.main-navigation .nav-links a {
    color: var(--light-text-color);
    font-weight: bold;
    padding: 10px 0;
    display: block;
    position: relative;
}

.main-navigation .nav-links a:hover {
    color: var(--secondary-color);
}

.main-navigation .nav-links a i {
    margin-left: 5px;
    font-size: 0.8em;
}

.main-navigation .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--background-dark);
    min-width: 180px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    border-top: 3px solid var(--secondary-color);
    visibility: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: visibility 0s, opacity var(--transition-speed), transform var(--transition-speed);
    z-index: 1001;
    border-radius: 0 0 5px 5px;
}

.main-navigation .has-submenu:hover > .submenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.main-navigation .submenu li a {
    padding: 10px 15px;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.main-navigation .submenu li:last-child a {
    border-bottom: none;
}

.main-navigation .submenu li a:hover {
    background-color: rgba(255,255,255,0.05);
    color: var(--secondary-color);
}

.badge {
    background-color: var(--accent-color);
    color: var(--light-text-color);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.7em;
    margin-left: 5px;
    vertical-align: middle;
}

.header-actions {
    display: flex;
    align-items: center;
}

.search-toggle {
    background: none;
    border: none;
    color: var(--light-text-color);
    font-size: 1.2em;
    cursor: pointer;
    margin-right: 20px;
    transition: color var(--transition-speed);
}

.search-toggle:hover {
    color: var(--secondary-color);
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    color: var(--light-text-color);
    font-size: 1.5em;
    cursor: pointer;
    margin-left: 20px;
}

/* Mobile Menu Styles */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1002;
    display: flex;
    justify-content: flex-end;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity var(--transition-speed);
}

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

.mobile-navigation {
    width: 280px;
    background-color: var(--background-dark);
    padding: 20px;
    transform: translateX(100%);
    transition: transform var(--transition-speed);
    overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-navigation {
    transform: translateX(0);
}

.mobile-nav-links li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav-links li:last-child {
    border-bottom: none;
}

.mobile-nav-links a {
    color: var(--light-text-color);
    padding: 12px 0;
    display: block;
    font-weight: bold;
}

.mobile-nav-links a:hover {
    color: var(--secondary-color);
}

.mobile-submenu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-submenu {
    display: none; /* Hidden by default */
    padding-left: 15px;
    background-color: rgba(0,0,0,0.2);
}

.mobile-submenu.active {
    display: block;
}

.mobile-submenu li a {
    padding: 8px 0;
    font-weight: normal;
}

.mobile-auth-buttons {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-auth-buttons .btn {
    width: 100%;
}

/* Footer Styles */
.main-footer {
    background-color: var(--background-dark);
    color: var(--light-text-color);
    padding-top: 40px;
    font-size: 0.9em;
}

.footer-top {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 30px;
}

.footer-top .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.footer-col {
    flex: 1;
    min-width: 200px;
    margin-bottom: 20px;
}

.footer-col h3 {
    font-size: 1.2em;
    color: var(--secondary-color);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-col ul {
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--light-text-color);
    transition: color var(--transition-speed);
}

.footer-col ul li a:hover {
    color: var(--secondary-color);
}

.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.contact-info p i {
    margin-right: 10px;
    color: var(--secondary-color);
    font-size: 1.1em;
}

.social-icons {
    margin-top: 20px;
}

.social-icons a {
    color: var(--light-text-color);
    font-size: 1.5em;
    margin-right: 15px;
    transition: color var(--transition-speed);
}

.social-icons a:hover {
    color: var(--secondary-color);
}

.footer-middle {
    padding: 30px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-middle .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
}

.payment-methods, .certifications {
    flex: 1;
    min-width: 280px;
}

.payment-methods h4, .certifications h4 {
    font-size: 1.1em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.payment-icon, .cert-icon {
    height: 30px;
    margin-right: 15px;
    filter: grayscale(100%) opacity(0.7);
    transition: filter var(--transition-speed);
}

.payment-icon:hover, .cert-icon:hover {
    filter: grayscale(0%) opacity(1);
}

.footer-bottom {
    background-color: #0d0d0d;
    padding: 20px 0;
    text-align: center;
    font-size: 0.8em;
}

.footer-bottom p {
    margin-bottom: 8px;
}

.footer-bottom .disclaimer {
    max-width: 800px;
    margin: 15px auto 0;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-navigation {
        display: none; /* Hide main nav on smaller screens */
    }
    .auth-buttons {
        display: none; /* Hide desktop auth buttons */
    }
    .menu-toggle {
        display: block; /* Show hamburger menu */
    }
    .navbar-primary .container {
        justify-content: space-between;
    }
    .header-actions {
        order: 3; /* Move actions to the right */
    }
    .logo {
        order: 1;
    }
    .search-toggle {
        margin-right: 10px;
    }

    .top-bar .container {
        flex-direction: column;
        text-align: center;
    }
    .top-bar-left, .top-bar-right {
        width: 100%;
        justify-content: center;
        margin-bottom: 10px;
    }
    .top-bar-right {
        margin-bottom: 0;
    }
    .social-links a {
        margin: 0 10px;
    }
    .language-selector {
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
    .footer-top .container {
        flex-direction: column;
        align-items: center;
    }
    .footer-col {
        min-width: unset;
        width: 80%;
        text-align: center;
    }
    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .contact-info p {
        justify-content: center;
    }
    .social-icons {
        text-align: center;
    }
    .footer-middle .container {
        flex-direction: column;
        align-items: center;
    }
    .payment-methods, .certifications {
        width: 90%;
        text-align: center;
    }
    .payment-methods h4, .certifications h4 {
        text-align: center;
    }
    .payment-icon, .cert-icon {
        margin: 5px;
    }
}
/* 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;
  }
}