:root {
    --primary-gold: #FFD700; /* Warm Gold */
    --secondary-emerald: #008080; /* Emerald Green */
    --dark-bg: #1a1a1a;
    --light-text: #f0f0f0;
    --dark-text: #333;
    --accent-blue: #007bff;
    --border-color: #333;
    --font-family-primary: 'Montserrat', sans-serif;
    --font-family-secondary: 'Open Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-secondary);
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #f8f8f8;
}

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-gold);
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn-login {
    background-color: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.btn-login:hover {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
}

.btn-register {
    background-color: var(--secondary-emerald);
    color: var(--light-text);
    border: 2px solid var(--secondary-emerald);
    margin-left: 10px;
}

.btn-register:hover {
    background-color: #006666; /* Darkened emerald */
    border-color: #006666;
}

.btn-subscribe {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
    border: none;
    padding: 10px 15px;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
}

.btn-subscribe:hover {
    background-color: #e6c200; /* Darkened gold */
}

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

.header-top-bar {
    background-color: #0d0d0d;
    padding: 8px 0;
    font-size: 0.9em;
    border-bottom: 1px solid var(--border-color);
}

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

.language-selector {
    display: flex;
    align-items: center;
}

.language-selector i {
    margin-right: 5px;
    color: var(--primary-gold);
}

.language-selector select {
    background-color: transparent;
    border: none;
    color: var(--light-text);
    padding: 3px 5px;
    cursor: pointer;
    outline: none;
}

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

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

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

.header-main-nav {
    padding: 15px 0;
}

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

.navbar-brand .site-logo {
    height: 50px; /* Adjust as needed */
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

.main-navigation .nav-links {
    display: flex;
    align-items: center;
}

.main-navigation .nav-links li {
    margin-left: 25px;
    position: relative;
}

.main-navigation .nav-links .nav-item {
    color: var(--light-text);
    font-weight: bold;
    padding: 5px 0;
    position: relative;
}

.main-navigation .nav-links .nav-item::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-gold);
    transition: width 0.3s ease;
}

.main-navigation .nav-links .nav-item:hover::after,
.main-navigation .nav-links .nav-item.active::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
}

.dropdown-toggle i {
    margin-left: 5px;
    font-size: 0.8em;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-top: none;
    min-width: 180px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    border-radius: 0 0 5px 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 10;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 15px;
    color: var(--light-text);
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background-color: var(--secondary-emerald);
    color: var(--light-text);
}

.auth-buttons {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none; /* Hidden by default, shown on smaller screens */
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 1001;
}

.menu-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-gold);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Marquee Styles */
.marquee-section {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
    padding: 10px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    box-shadow: inset 0 -2px 5px rgba(0, 0, 0, 0.1);
}

.marquee-container {
    display: flex;
    align-items: center;
    position: relative;
}

.marquee-icon {
    font-size: 1.5em;
    margin-right: 15px;
    color: var(--dark-bg);
    animation: bounce 1s infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-5px); }
}

.marquee-wrapper {
    flex-grow: 1;
    overflow: hidden;
}

.marquee-content {
    display: inline-block;
    padding-left: 100%; /* Start off-screen */
    animation: marquee-scroll 30s linear infinite;
    font-weight: bold;
}

.marquee-content a {
    color: var(--dark-bg);
    margin-right: 40px;
    white-space: nowrap;
    text-decoration: none;
}

.marquee-content a:hover {
    color: var(--secondary-emerald);
}

.marquee-content .separator {
    color: rgba(0, 0, 0, 0.5);
    margin: 0 20px;
}

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

/* Footer Styles */
.main-footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 50px 0 20px;
    font-size: 0.9em;
    border-top: 5px solid var(--primary-gold);
}

.footer-top {
    padding-bottom: 30px;
}

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

.footer-grid h3, .footer-grid h4 {
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.footer-grid p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links ul li,
.footer-support p {
    margin-bottom: 8px;
}

.footer-links ul li a,
.footer-support p a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover,
.footer-support p a:hover {
    color: var(--primary-gold);
}

.footer-support i {
    margin-right: 8px;
    color: var(--secondary-emerald);
}

.payment-methods {
    margin-top: 20px;
}

.payment-methods h4 {
    margin-bottom: 10px;
}

.payment-icon {
    height: 30px;
    margin-right: 10px;
    filter: grayscale(100%) brightness(150%);
    transition: filter 0.3s ease;
}

.payment-icon:hover {
    filter: grayscale(0%) brightness(100%);
}

.social-media-footer {
    margin-top: 15px;
}

.social-media-footer a {
    color: var(--light-text);
    font-size: 1.3em;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.social-media-footer a:hover {
    color: var(--primary-gold);
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input[type="email"] {
    flex-grow: 1;
    padding: 10px;
    border: none;
    border-radius: 5px 0 0 5px;
    outline: none;
    background-color: #333;
    color: var(--light-text);
}

.newsletter-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.licensing {
    margin-top: 20px;
}

.licensing h4 {
    margin-bottom: 10px;
}

.license-logo, .age-restriction {
    height: 40px;
    margin-right: 15px;
    vertical-align: middle;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .main-navigation {
        display: none; /* Hide navigation on smaller screens */
    }
    .auth-buttons {
        display: none; /* Hide auth buttons on smaller screens */
    }
    .menu-toggle {
        display: block; /* Show hamburger menu */
    }
    .header-main-nav .container {
        justify-content: space-between;
    }
    .footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-top-bar .top-bar-content {
        flex-direction: column;
        gap: 10px;
    }
    .marquee-content {
        animation-duration: 20s; /* Faster scroll on smaller screens */
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-about .payment-methods,
    .footer-support .social-media-footer,
    .footer-newsletter .newsletter-form {
        justify-content: center;
        display: flex;
        flex-wrap: wrap;
    }
    .newsletter-form input[type="email"] {
        border-radius: 5px;
        margin-bottom: 10px;
    }
    .newsletter-form .btn-subscribe {
        border-radius: 5px;
        width: 100%;
    }
    .licensing {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .licensing img {
        margin: 10px 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;
  }
}