/* Basic Resets & Global Styles */
:root {
    --primary-color: #00a86b; /* Green */
    --secondary-color: #daa520; /* Gold */
    --dark-bg: #1a1a1a;
    --light-text: #f0f0f0;
    --gray-text: #b0b0b0;
    --border-color: #333;
    --font-family: 'Roboto', sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css');

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

body {
    font-family: var(--font-family);
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
}

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

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

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
}

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

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

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

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

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    background-color: #222;
    color: var(--light-text);
    border-radius: 5px;
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-text);
}

/* Header Specific Styles (General structure, detailed styles in header_html) */
.main-header {
    background-color: #222;
    border-bottom: 1px solid var(--border-color);
}

.top-bar {
    background-color: #111;
    padding: 8px 0;
    font-size: 0.9em;
    color: var(--gray-text);
}

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

.top-bar-left span {
    margin-right: 20px;
}

.top-bar-left i {
    color: var(--primary-color);
    margin-right: 5px;
}

.language-selector {
    position: relative;
    display: inline-block;
    cursor: pointer;
    margin-right: 15px;
}

.language-selector img {
    width: 20px;
    height: auto;
    vertical-align: middle;
    margin-right: 5px;
}

.language-selector .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #2a2a2a;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    min-width: 120px;
    z-index: 100;
    display: none;
    padding: 5px 0;
}

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

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

.language-selector .dropdown-menu li a:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.social-icon {
    margin-left: 10px;
    color: var(--gray-text);
    font-size: 1.1em;
}

.social-icon:hover {
    color: var(--primary-color);
}

.navbar {
    padding: 15px 0;
}

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

.navbar-brand .logo {
    height: 40px; /* Adjust as needed */
}

.navbar-toggler {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 101;
}

.toggler-icon {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.navbar-collapse {
    display: flex;
    flex-grow: 1;
    justify-content: space-between;
    align-items: center;
}

.navbar-nav {
    display: flex;
    margin: 0 auto; /* Center the nav items */
}

.nav-item {
    margin: 0 15px;
}

.nav-link {
    color: var(--light-text);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.navbar-actions .btn {
    margin-left: 10px;
}

/* Marquee Section */
.marquee-section {
    background-color: #2a2a2a;
    padding: 10px 0;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.marquee-container {
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.marquee-content {
    display: inline-block;
    padding-left: 100%; /* Start off-screen */
    animation: marquee-scroll 25s linear infinite;
    color: var(--gray-text);
    font-size: 0.95em;
}

.marquee-content span {
    margin-right: 50px;
}

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


/* Footer Specific Styles */
.main-footer {
    background-color: #222;
    padding: 40px 0 20px;
    border-top: 1px solid var(--border-color);
    color: var(--gray-text);
    font-size: 0.9em;
}

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

.footer-col h3 {
    color: var(--light-text);
    margin-bottom: 15px;
    font-size: 1.1em;
}

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

.footer-col ul {
    padding: 0;
}

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

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

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

.footer-logo img {
    height: 50px;
    margin-bottom: 15px;
}

.footer-col.about-us .social-links {
    margin-top: 15px;
}

.footer-col.about-us .social-links a {
    display: inline-block;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background-color: #333;
    color: var(--light-text);
    border-radius: 50%;
    margin-right: 8px;
    transition: background-color 0.3s ease;
}

.footer-col.about-us .social-links a:hover {
    background-color: var(--primary-color);
}

.footer-col p i {
    color: var(--primary-color);
    margin-right: 8px;
}

.payment-methods, .licensing-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.payment-methods h3, .licensing-info h3 {
    text-align: center;
    margin-bottom: 20px;
}

.payment-icons, .license-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.payment-icons img, .license-icons img {
    height: 35px;
    filter: grayscale(100%) brightness(70%);
    transition: filter 0.3s ease;
}

.payment-icons img:hover, .license-icons img:hover {
    filter: grayscale(0%) brightness(100%);
}

.copyright {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85em;
    color: var(--gray-text);
}

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

/* Responsive adjustments */
@media (max-width: 992px) {
    .navbar-collapse {
        flex-direction: column;
        align-items: flex-start;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #2a2a2a;
        border-top: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        transform: translateY(-100%); /* Start hidden above */
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s ease-out, opacity 0.3s ease-out, visibility 0.3s ease-out;
        z-index: 99;
    }

    .navbar-collapse.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
        margin: 0;
    }

    .nav-item {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid #333;
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 12px 0;
    }

    .nav-link::after {
        bottom: 0;
    }

    .navbar-actions {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 20px;
    }

    .navbar-actions .btn {
        flex: 1;
        margin: 0 5px;
    }

    .navbar-toggler {
        display: block;
    }

    .top-bar-right {
        display: flex;
        align-items: center;
    }
    .top-bar-left {
        display: none; /* Hide contact info on small screens */
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col.about-us .social-links {
        justify-content: center;
        display: flex;
    }
}

@media (max-width: 576px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
    }
    .top-bar-right {
        width: 100%;
        justify-content: center;
    }
    .language-selector {
        margin-right: 0;
    }
    .social-icon {
        margin: 0 5px;
    }
    .navbar-brand .logo {
        height: 35px;
    }
    .marquee-content {
        font-size: 0.85em;
    }
    .payment-icons img, .license-icons img {
        height: 30px;
    }
}
/* 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;
  }
}