/* General Body & Typography */
:root {
    --primary-color: #e44d26; /* Red/Orange for DONCLUB */
    --secondary-color: #f7b32b; /* Gold/Yellow accent */
    --text-color: #333;
    --text-color-light: #555;
    --background-color: #f8f8f8;
    --white-color: #fff;
    --dark-color: #1a1a1a;
    --border-color: #eee;
    --font-family-primary: 'Roboto', sans-serif;
    --font-family-secondary: 'Open Sans', sans-serif;
    --header-height: 80px;
    --topbar-height: 40px;
    --mobile-menu-width: 280px;
}

/* Basic Reset & Box-sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--secondary-color);
    opacity: 0.8;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-secondary);
    color: var(--dark-color);
    margin-bottom: 0.5em;
    line-height: 1.2;
}

p {
    margin-bottom: 1em;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-primary, .btn-register {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-primary:hover, .btn-register:hover {
    background-color: #c73e1c;
}

.btn-secondary, .btn-login {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.btn-secondary:hover, .btn-login:hover {
    background-color: #e0a222;
}

/* Marquee Section */
.marquee-section {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 8px 0;
    overflow: hidden;
    font-size: 0.9em;
    position: relative;
    z-index: 10;
}

.marquee-container {
    display: flex;
    align-items: center;
    max-width: 100%;
    overflow: hidden;
}

.marquee-icon {
    flex-shrink: 0;
    margin-right: 15px;
    font-size: 1.2em;
    color: var(--secondary-color);
}

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

.marquee-content {
    display: inline-block;
    animation: marquee 30s linear infinite; /* Adjust duration based on content length */
    padding-right: 100%; /* Ensures content scrolls fully out before repeating */
}

.marquee-content:hover {
    animation-play-state: paused;
}

.marquee-content a {
    color: var(--white-color);
    margin-right: 30px;
    white-space: nowrap;
}

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

.marquee-separator {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 15px;
}

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

/* Header */
.site-header {
    background-color: var(--white-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
}

.header-top-bar {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85em;
    padding: 8px 0;
}

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

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

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

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    margin-left: 15px;
    font-size: 1.1em;
}

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

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

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

.site-logo img {
    height: 50px;
    width: auto;
    display: block;
}

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

.main-navigation .menu {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.main-navigation .menu-item {
    position: relative;
}

.main-navigation .menu-item a {
    display: block;
    padding: 10px 0;
    color: var(--dark-color);
    font-weight: 600;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.main-navigation .menu-item a:hover,
.main-navigation .menu-item.current-menu-item > a {
    color: var(--primary-color);
}

.main-navigation .sub-menu {
    display: none;
    position: absolute;
    background-color: var(--white-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 200px;
    left: 0;
    top: 100%;
    border-top: 3px solid var(--primary-color);
    z-index: 101;
    padding: 10px 0;
    border-radius: 0 0 5px 5px;
}

.main-navigation .menu-item-has-children:hover > .sub-menu {
    display: block;
}

.main-navigation .sub-menu li a {
    padding: 10px 20px;
    text-transform: none;
    font-weight: 400;
    color: var(--text-color);
}

.main-navigation .sub-menu li a:hover {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.menu-toggle {
    display: none; /* Hidden by default, shown on mobile */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 102;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-selector select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--white-color);
    font-size: 0.9em;
    cursor: pointer;
}

/* Footer */
.site-footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 50px 0 20px;
    font-size: 0.9em;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-widget h3 {
    color: var(--white-color);
    margin-bottom: 20px;
    font-size: 1.2em;
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

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

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

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

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

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

.footer-logo img {
    margin-bottom: 20px;
}

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

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

.footer-widget.widget-contact p {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}

.footer-widget.widget-contact p i {
    margin-right: 10px;
    color: var(--secondary-color);
    font-size: 1.1em;
    margin-top: 3px; /* Align icon better */
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    margin-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.payment-methods img {
    margin-right: 10px;
    height: 30px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) brightness(150%);
    transition: filter 0.3s ease;
}

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

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

.age-restriction {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.age-restriction img {
    height: 40px;
    width: 40px;
}

/* Scroll-to-top button */
#scroll-to-top {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    background-color: var(--primary-color);
    color: var(--white-color);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5em;
    line-height: 50px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: background-color 0.3s ease, opacity 0.3s ease;
}

#scroll-to-top:hover {
    background-color: var(--secondary-color);
    opacity: 0.9;
}

/* Utility classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-navigation .menu {
        gap: 15px;
    }
    .header-main {
        padding: 10px 0;
    }
    .site-logo img {
        height: 45px;
    }
}

@media (max-width: 768px) {
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }
    .contact-info {
        margin-bottom: 10px;
    }
    .contact-info span {
        margin: 0 10px;
    }

    .header-wrapper {
        flex-wrap: nowrap;
        justify-content: space-between;
        position: relative;
    }
    .site-logo {
        order: 1;
    }
    .header-actions {
        order: 3;
        gap: 5px;
    }
    .main-navigation {
        order: 2; /* Move navigation to the end for toggle button */
        flex-basis: 100%; /* Take full width */
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--white-color);
        width: 100%;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none; /* Hidden by default for mobile */
        z-index: 90;
        padding-bottom: 10px;
    }

    .main-navigation.active {
        display: block;
    }

    .menu-toggle {
        display: block;
        position: static;
        transform: none;
        order: 2;
        margin-left: auto; /* Push to the right */
    }

    .menu-toggle.active .icon-bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .menu-toggle.active .icon-bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .icon-bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .main-navigation .menu {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 20px;
    }
    .main-navigation .menu-item {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    .main-navigation .menu-item:last-child {
        border-bottom: none;
    }
    .main-navigation .menu-item a {
        padding: 12px 0;
    }
    .main-navigation .sub-menu {
        position: static;
        box-shadow: none;
        border-top: none;
        background-color: #f0f0f0;
        padding: 0 0 0 20px;
        border-radius: 0;
        width: 100%;
    }
    .main-navigation .sub-menu li a {
        padding: 8px 10px;
    }

    .footer-widgets {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-widget h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .social-media-footer {
        margin-top: 15px;
    }
    .social-media-footer a {
        margin: 0 8px;
    }
    .footer-widget.widget-contact p {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .payment-methods {
        margin-bottom: 15px;
    }
    .age-restriction {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: 5px;
        order: 3;
    }
    .header-actions .btn {
        width: 100px;
        padding: 8px 10px;
        font-size: 0.85em;
    }
    .language-selector select {
        width: 100px;
        padding: 6px 8px;
        font-size: 0.8em;
    }
    .site-logo img {
        height: 40px;
    }
    .marquee-section {
        font-size: 0.8em;
    }
    .marquee-icon {
        margin-right: 10px;
    }
}
/* 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;
  }
}