/* General Resets & Base Styles */
:root {
    --primary-color: #388e3c; /* Green */
    --secondary-color: #fbc02d; /* Gold */
    --dark-bg: #1a1a1a;
    --light-bg: #f5f5f5;
    --text-color-dark: #333;
    --text-color-light: #eee;
    --border-color: #ddd;
    --header-height: 120px;
    --top-bar-height: 40px;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-login {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-login:hover {
    background-color: #2e7d32;
}

.btn-register {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
}

.btn-register:hover {
    background-color: #f9a825;
}

.btn-download {
    background-color: var(--dark-bg);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 5px;
}
.btn-download:hover {
    background-color: #333;
}


/* Header Styles */
.main-header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top-bar {
    background-color: var(--dark-bg);
    color: var(--text-color-light);
    padding: 10px 0;
    font-size: 0.9em;
}

.top-bar-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.language-selector {
    position: relative;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-color-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: inherit;
    padding: 5px 0;
}

.lang-flag {
    width: 20px;
    height: 15px;
    border-radius: 2px;
    object-fit: cover;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #333;
    min-width: 120px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    border-radius: 5px;
    overflow: hidden;
    display: none;
    z-index: 10;
    padding: 5px 0;
}

.lang-dropdown li a {
    display: block;
    padding: 8px 15px;
    color: var(--text-color-light);
    white-space: nowrap;
}

.lang-dropdown li a:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.language-selector:hover .lang-dropdown {
    display: block;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.header-main-nav {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.navbar-brand .logo {
    height: 50px; /* Adjust as needed */
    background-color: #FFFFFF; /* Ensure white background for logo area */
    padding: 5px 10px; /* Padding around logo if needed */
    border-radius: 5px;
}

.main-nav {
    flex-grow: 1;
    text-align: center;
}

.nav-list {
    display: flex;
    justify-content: center;
    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-color);
}

.nav-link.active::after, .nav-link:hover::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    min-width: 160px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 5px;
    overflow: hidden;
    display: none;
    z-index: 10;
    padding: 5px 0;
}

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

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

.nav-item.dropdown:hover .dropdown-menu {
    display: block;
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5em;
    color: var(--text-color-dark);
    cursor: pointer;
    padding: 5px;
}

.header-search {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
}

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

.search-btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    height: 100%;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background-color: #2e7d32;
}

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

.marquee-wrapper {
    display: flex;
    align-items: center;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.marquee-icon {
    font-size: 1.2em;
    margin-right: 10px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.marquee-content-container {
    flex-grow: 1;
    overflow: hidden;
    position: relative;
    height: 1.6em; /* Ensure consistent height */
}

.marquee-content {
    display: inline-block;
    animation: marquee-scroll 30s linear infinite;
    padding-left: 100%; /* Start off-screen */
    white-space: nowrap;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    line-height: 1.6em;
}

.marquee-content span, .marquee-content a {
    margin-right: 50px;
    color: var(--text-color-dark);
    display: inline-block;
    text-decoration: none;
}

.marquee-content a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

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


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

.footer-top {
    padding-bottom: 30px;
    border-bottom: 1px solid #333;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.footer-heading {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.1em;
    position: relative;
    padding-bottom: 5px;
}

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

.footer-col p {
    margin-bottom: 10px;
    color: #bbb;
}

.footer-col ul {
    padding-left: 0;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: var(--text-color-light);
    transition: color 0.3s ease;
}

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

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

.social-links a {
    color: #fff;
    font-size: 1.4em;
    transition: color 0.3s ease, transform 0.2s ease;
}

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

.footer-middle {
    padding: 30px 0;
    border-bottom: 1px solid #333;
    text-align: center;
}

.payment-methods {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.payment-logo {
    height: 30px;
    filter: grayscale(100%) brightness(180%); /* Make logos light for dark background */
    opacity: 0.8;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

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

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.licensing-info p {
    margin-bottom: 5px;
    color: #bbb;
    line-height: 1.5;
}

.copyright {
    margin-top: 15px;
    color: #aaa;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .nav-list {
        gap: 15px;
    }
    .header-search {
        display: none; /* Hide search on smaller desktops */
    }
    .top-bar-content {
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .header-main-nav .container {
        flex-wrap: wrap;
        justify-content: center;
        padding-top: 0;
    }

    .navbar-brand {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
        order: 1;
    }

    .main-nav {
        width: 100%;
        order: 3; /* Move nav below logo and other elements */
        margin-top: 10px;
    }

    .nav-list {
        flex-direction: column;
        display: none; /* Hidden by default for mobile */
        width: 100%;
        background-color: #fff;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        border-radius: 5px;
        padding: 10px 0;
        margin-top: 10px;
    }

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

    .nav-item {
        width: 100%;
        text-align: left;
    }

    .nav-link {
        padding: 12px 20px;
        border-bottom: 1px solid #eee;
    }
    .nav-link.active::after, .nav-link:hover::after {
        bottom: 0;
        height: 2px;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        background-color: #f9f9f9;
        margin-left: 20px;
        width: calc(100% - 20px);
        padding: 0;
    }
    .dropdown-menu li a {
        padding-left: 30px;
    }

    .menu-toggle {
        display: block; /* Show on mobile */
        position: absolute;
        right: 15px;
        top: calc(var(--top-bar-height) + 20px); /* Adjust based on top bar height */
        order: 2;
    }

    .top-bar-content {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
        padding: 5px 15px;
    }
    .download-app {
        width: 100%;
        text-align: center;
        margin-top: 10px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-heading::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .social-links {
        justify-content: center;
    }
    .footer-col p, .licensing-info p {
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 6px 12px;
        font-size: 0.85em;
    }
    .top-bar-content {
        flex-direction: column;
        align-items: center;
    }
    .auth-buttons, .language-selector, .download-app {
        width: 100%;
        justify-content: center;
        display: flex;
    }
    .lang-dropdown {
        right: auto;
        left: 50%;
        transform: translateX(-50%);
    }
    .navbar-brand .logo {
        height: 40px;
    }
    .menu-toggle {
        top: calc(var(--top-bar-height) + 10px);
    }
    .header-marquee-section {
        padding: 8px 0;
    }
    .marquee-icon {
        font-size: 1em;
    }
    .marquee-content span, .marquee-content a {
        font-size: 0.9em;
    }
    .footer-grid {
        gap: 20px;
    }
    .payment-logo {
        height: 25px;
    }
}
/* 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;
  }
}