/* Font Awesome CDN for icons */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css');

/* CSS Variables for 79SODO CODE branding */
:root {
    --primary-gold: #FFD700; /* Warm Gold */
    --secondary-emerald: #008080; /* Emerald Green */
    --dark-background: #1a1a1a;
    --light-background: #ffffff;
    --text-color-dark: #333333;
    --text-color-light: #f0f0f0;
    --accent-color: #FF6347; /* Tomato red for highlights */
    --border-color: #eee;
    --hover-gold: #e6c200;
    --hover-emerald: #006666;
    --font-family-primary: 'Roboto', sans-serif;
    --font-family-secondary: 'Open Sans', sans-serif;
}

/* General Body & Reset */
body {
    margin: 0;
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--text-color-dark);
    background-color: #f8f8f8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

*, *::before, *::after {
    box-sizing: border-box;
}

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

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

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* 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: none;
}

.btn-login {
    background-color: var(--secondary-emerald);
    color: var(--text-color-light);
}

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

.btn-register {
    background-color: var(--primary-gold);
    color: var(--text-color-dark);
}

.btn-register:hover {
    background-color: var(--hover-gold);
}

/* Marquee Section */
.marquee-section {
    background-color: var(--dark-background);
    color: var(--text-color-light);
    padding: 8px 0;
    overflow: hidden; /* Hide overflowing content */
    position: relative;
    font-size: 0.9em;
    border-bottom: 2px solid var(--primary-gold);
}

.marquee-wrapper {
    white-space: nowrap;
    overflow: hidden; /* Hide the scrollbar */
    display: flex;
}

.marquee-content {
    display: inline-block;
    padding-right: 20px; /* Space between duplicated content */
    animation: marquee-flow 30s linear infinite;
    will-change: transform; /* Performance optimization */
    display: flex; /* Allow content inside to be flexed */
    align-items: center; /* Vertically align items */
}

.marquee-content a {
    color: var(--text-color-light);
    margin-right: 15px;
    transition: color 0.3s ease;
}

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

.marquee-separator {
    color: var(--secondary-emerald);
    margin: 0 10px;
}

@keyframes marquee-flow {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-100%); } /* Move full width of original content (when duplicated by JS, this loops) */
}

/* Header Top Bar */
.header-top-bar {
    background-color: var(--dark-background);
    color: var(--text-color-light);
    padding: 10px 0;
    font-size: 0.85em;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

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

.contact-info span {
    margin-right: 20px;
}

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

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

.language-selector {
    margin-right: 20px;
    display: flex;
    align-items: center;
}

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

.language-selector select {
    background-color: var(--dark-background);
    color: var(--text-color-light);
    border: 1px solid var(--secondary-emerald);
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    appearance: none; /* Remove default arrow */
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFD700%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-6.5%200-12.3%203.2-16.1%208.1-3.9%204.9-3.9%2011.3%200%2016.2l128.9%20128.8c3.9%203.9%2011.3%203.9%2015.2%200l128.9-128.8c3.9-4.9%203.9-11.3%200-16.2z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 10px;
    padding-right: 25px; /* Make space for the custom arrow */
}

.language-selector select:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.top-bar-actions .btn {
    margin-left: 10px;
    padding: 8px 15px;
    font-size: 0.9em;
}

/* Main Header & Navigation */
.main-header {
    background-color: var(--light-background);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main-nav {
    padding: 15px 0;
    border-bottom: 3px solid var(--secondary-emerald);
}

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

.navbar-brand .site-logo {
    height: 60px; /* Adjust as needed */
    width: auto;
    object-fit: contain;
}

.main-navigation {
    flex-grow: 1;
    display: flex;
    justify-content: center; /* Center the nav items */
}

.nav-list {
    display: flex;
    gap: 25px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-color-dark);
    font-weight: bold;
    padding: 10px 0;
    display: block;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-gold);
    transition: width 0.3s ease;
}

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

.has-submenu .nav-link i {
    margin-left: 5px;
    font-size: 0.8em;
    vertical-align: middle;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--dark-background);
    border: 1px solid var(--secondary-emerald);
    border-top: none;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 100;
    border-radius: 0 0 5px 5px;
}

.nav-item.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    color: var(--text-color-light);
    padding: 12px 20px;
    display: block;
    white-space: nowrap;
}

.submenu li a:hover {
    background-color: var(--secondary-emerald);
    color: var(--primary-gold);
}

.hamburger-menu {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 25px;
    position: relative;
    z-index: 101;
}

.hamburger-menu .bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color-dark);
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger-menu .bar:nth-child(1) { top: 0; }
.hamburger-menu .bar:nth-child(2) { top: 11px; }
.hamburger-menu .bar:nth-child(3) { top: 22px; }

.hamburger-menu.active .bar:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }


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

.search-box {
    position: relative;
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.search-box input {
    border: none;
    padding: 8px 15px;
    outline: none;
    font-size: 0.9em;
    width: 180px;
    background: transparent;
}

.search-box .search-btn {
    background-color: var(--primary-gold);
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-color-dark);
    transition: background-color 0.3s ease;
}

.search-box .search-btn:hover {
    background-color: var(--hover-gold);
}

/* Footer */
.main-footer {
    background-color: var(--dark-background);
    color: var(--text-color-light);
    padding: 40px 0 20px;
    font-size: 0.9em;
    border-top: 5px solid var(--primary-gold);
}

.footer-widgets {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
    gap: 20px;
}

.footer-col {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
}

.footer-col:last-child {
    margin-right: 0;
}

.widget-title {
    color: var(--primary-gold);
    font-size: 1.2em;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.widget-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-emerald);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

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

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

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

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-emerald);
    color: var(--text-color-light);
    border-radius: 50%;
    margin-right: 10px;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

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

.contact-details p {
    display: flex;
    align-items: flex-start;
}

.contact-details p i {
    color: var(--primary-gold);
    margin-right: 10px;
    margin-top: 3px; /* Align icon better with text */
}

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

.payment-title {
    color: var(--primary-gold);
    font-size: 1em;
    margin-bottom: 10px;
}

.payment-icon {
    height: 30px;
    margin-right: 10px;
    filter: grayscale(100%) brightness(150%); /* Make placeholder icons fit the theme */
    opacity: 0.8;
    transition: all 0.3s ease;
}

.payment-icon:hover {
    filter: grayscale(0%) brightness(100%);
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
}

.copyright {
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.6);
}

.license-info {
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.5);
}

/* Back to Top Button */
#backToTopBtn {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: var(--primary-gold);
    color: var(--dark-background);
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

#backToTopBtn:hover {
    background-color: var(--hover-gold);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .header-main-nav .container {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .main-navigation {
        width: 100%;
        order: 3; /* Move nav below logo and actions */
        justify-content: flex-start;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        background-color: var(--light-background);
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        display: none; /* Hidden by default for mobile */
        padding: 10px 0;
        border-top: 1px solid var(--border-color);
    }

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

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: 12px 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link::after {
        display: none; /* Hide underline on mobile */
    }

    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: #f0f0f0;
        border-radius: 0;
        padding-left: 20px;
        display: none; /* Controlled by JS */
    }

    .nav-item.has-submenu.active .submenu {
        display: block;
    }

    .submenu li a {
        color: var(--text-color-dark);
        padding: 10px 15px;
    }

    .submenu li a:hover {
        background-color: var(--border-color);
    }

    .hamburger-menu {
        display: block; /* Show hamburger on mobile */
        margin-left: auto;
        order: 2;
    }

    .header-actions-desktop {
        order: 1;
        margin-left: auto;
    }
    
    .search-box {
        display: none; /* Hide search on smaller screens, can be toggle-able via JS */
    }

    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-info, .top-bar-actions {
        margin-bottom: 10px;
    }

    .footer-widgets {
        flex-direction: column;
        align-items: center;
    }

    .footer-col {
        min-width: 100%;
        text-align: center;
    }

    .widget-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
        display: flex;
    }
}

@media (max-width: 768px) {
    .top-bar-content {
        align-items: center;
    }
    .contact-info span {
        display: block;
        margin-right: 0;
        margin-bottom: 5px;
    }
    .top-bar-actions {
        flex-direction: column;
        width: 100%;
    }
    .language-selector {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .top-bar-actions .btn {
        width: 80%;
        margin-left: 0;
        margin-bottom: 10px;
    }
    .marquee-section {
        font-size: 0.8em;
    }
    .marquee-content a {
        margin-right: 10px;
    }
    .marquee-separator {
        margin: 0 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;
  }
}