/* Basic Reset & Base Styles */
:root {
    --primary-gold: #FFD700; /* Warm Gold */
    --secondary-green: #32CD32; /* Lime Green */
    --dark-bg: #1A1A1A; /* Very Dark Gray */
    --dark-bg-light: #2C2C2C; /* Slightly Lighter Dark Gray */
    --text-light: #FFFFFF;
    --text-dark: #CCCCCC;
    --border-color: #444444;
    --hover-gold: #FFC107;
    --hover-green: #28A745;
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-light);
    background-color: #0d0d0d; /* Even darker base background */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

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

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

/* Icon Placeholders (Font Awesome or similar would replace these) */
.icon-arrow-down::before { content: '▼'; font-size: 0.7em; margin-left: 5px; }
.icon-search::before { content: '🔍'; }
.icon-facebook::before { content: 'f'; font-family: 'Font Awesome 5 Brands'; }
.icon-twitter::before { content: ''; font-family: 'Font Awesome 5 Brands'; }
.icon-instagram::before { content: ''; font-family: 'Font Awesome 5 Brands'; }
.icon-youtube::before { content: ''; font-family: 'Font Awesome 5 Brands'; }
.icon-telegram::before { content: ''; font-family: 'Font Awesome 5 Brands'; }

/* Header Styles */
.site-header {
    background-color: var(--dark-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    padding: 10px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

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

.header-top-bar .welcome-msg {
    color: var(--text-dark);
    font-family: var(--font-secondary);
}

.header-top-bar .lang-currency select {
    background-color: var(--dark-bg);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    margin-left: 10px;
    border-radius: 5px;
    appearance: none; /* Remove default arrow */
    cursor: pointer;
    font-family: var(--font-secondary);
}

.header-top-bar .lang-currency select:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 15px;
}

.brand-logo a {
    display: flex;
    align-items: center;
    color: var(--primary-gold);
    font-size: 1.8em;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brand-logo .logo-img {
    margin-right: 10px;
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

.main-nav .nav-list {
    list-style: none;
    display: flex;
    gap: 25px;
}

.main-nav .nav-item {
    position: relative;
}

.main-nav .nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: 10px 0;
    display: block;
    position: relative;
    font-family: var(--font-secondary);
}

.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-green);
    transition: width 0.3s ease;
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
    width: 100%;
}

.main-nav .has-submenu:hover .submenu {
    display: block;
}

.main-nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--dark-bg-light);
    min-width: 180px;
    z-index: 100;
    list-style: none;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
    padding: 5px 0;
}

.main-nav .submenu li a {
    padding: 12px 15px;
    color: var(--text-light);
    display: block;
    white-space: nowrap;
    font-family: var(--font-secondary);
    font-size: 0.95em;
}

.main-nav .submenu li a:hover {
    background-color: var(--dark-bg);
    color: var(--primary-gold);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-box {
    position: relative;
}

.search-box input {
    background-color: var(--dark-bg-light);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 20px;
    color: var(--text-light);
    width: 180px;
    transition: width 0.3s ease, border-color 0.3s ease;
    font-family: var(--font-secondary);
}

.search-box input::placeholder {
    color: var(--text-dark);
}

.search-box input:focus {
    width: 220px;
    border-color: var(--primary-gold);
    outline: none;
}

.search-box button {
    background: none;
    border: none;
    color: var(--text-dark);
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1.1em;
}

.search-box button:hover {
    color: var(--primary-gold);
}

.btn {
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: var(--font-primary);
    letter-spacing: 0.5px;
}

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

.btn-login:hover {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
    box-shadow: 0 4px 8px rgba(255, 215, 0, 0.3);
}

.btn-register.primary {
    background-color: var(--secondary-green);
    color: var(--text-light);
    border-color: var(--secondary-green);
}

.btn-register.primary:hover {
    background-color: var(--hover-green);
    border-color: var(--hover-green);
    box-shadow: 0 4px 8px rgba(50, 205, 50, 0.3);
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 4px auto;
    transition: 0.4s;
    border-radius: 2px;
}

.menu-toggle.is-active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Marquee Section Styles */
.marquee-section {
    background-color: var(--dark-bg-light);
    padding: 10px 0;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

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

.marquee-icon {
    font-size: 1.5em;
    margin-right: 15px;
    color: var(--primary-gold);
    flex-shrink: 0;
}

.marquee-wrapper {
    flex-grow: 1;
    overflow: hidden;
    position: relative;
    height: 30px; /* Ensure a fixed height */
}

.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: marquee-scroll 20s linear infinite; /* JS will adjust duration */
}

.marquee-item {
    padding: 0 30px;
    color: var(--text-dark);
    font-size: 0.95em;
    transition: color 0.3s ease;
    line-height: 30px; /* Vertically align text */
}

.marquee-item:hover {
    color: var(--primary-gold);
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Half the content width due to duplication */
}

/* Footer Styles */
.site-footer {
    background-color: var(--dark-bg);
    padding: 40px 0 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9em;
    color: var(--text-dark);
    font-family: var(--font-secondary);
}

.site-footer h3 {
    color: var(--primary-gold);
    margin-bottom: 20px;
    font-size: 1.2em;
    position: relative;
    padding-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.site-footer h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-green);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

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

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

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

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

.footer-col p {
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    font-size: 1.5em;
    color: var(--text-dark);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-gold);
    transform: translateY(-3px);
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 20px;
}

.payment-icons img {
    filter: grayscale(100%) brightness(150%); /* Make icons fit dark theme */
    opacity: 0.7;
    transition: opacity 0.3s ease;
    max-height: 25px;
    object-fit: contain;
}

.payment-icons img:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
}

.partner-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.partner-logos img {
    max-height: 30px;
    filter: grayscale(100%) brightness(150%);
    opacity: 0.6;
    transition: opacity 0.3s ease;
    object-fit: contain;
}

.partner-logos img:hover {
    opacity: 1;
}

.copyright {
    font-size: 0.85em;
    color: var(--text-dark);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* Hidden on desktop */
        position: absolute;
        top: 100%; /* Position below header-main */
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding-bottom: 10px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
        z-index: 99;
        border-top: 1px solid var(--border-color);
    }

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

    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .main-nav .nav-item {
        border-bottom: 1px solid var(--border-color);
    }
    .main-nav .nav-item:last-child {
        border-bottom: none;
    }

    .main-nav .nav-link {
        padding: 15px 20px;
        width: 100%;
    }
    .main-nav .nav-link::after {
        bottom: 5px;
        height: 1px;
    }

    .main-nav .submenu {
        position: static;
        display: none;
        background-color: var(--dark-bg-light);
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        padding-left: 20px;
        border-top: 1px solid var(--border-color);
    }
    .main-nav .has-submenu.active .submenu {
        display: block;
    }

    .header-actions {
        order: 3; /* Move actions to end */
        margin-top: 10px;
        width: 100%;
        justify-content: flex-end;
    }

    .search-box {
        flex-grow: 1;
        margin-right: 10px;
    }
    .search-box input {
        width: 100%;
    }

    .menu-toggle {
        display: flex; /* Show hamburger menu */
        margin-left: 15px;
    }

    .header-main .container {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .brand-logo {
        flex-grow: 1;
    }
}

@media (max-width: 768px) {
    .header-top-bar .container {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    .header-top-bar .lang-currency {
        margin-top: 5px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .social-links, .payment-icons, .partner-logos {
        justify-content: center;
    }
    .site-header {
        padding: 5px 0;
    }
    .brand-logo a {
        font-size: 1.5em;
    }
    .brand-logo .logo-img {
        max-height: 40px;
    }
    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        margin-top: 15px;
    }
    .btn {
        padding: 8px 15px;
        font-size: 0.9em;
    }
    .search-box {
        width: 100%;
        margin-right: 0;
        order: 1; /* Move search above buttons on small screens */
    }
    .search-box input {
        width: calc(100% - 20px);
        margin: 0 10px;
    }
    .search-box button {
        right: 20px;
    }
    .menu-toggle {
        order: 2;
    }
}
/* 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;
  }
}