/* MV88 - 永恒金爵 Casino Style */
:root {
    --primary-gold: #FFD700;
    --secondary-gold: #FFA500;
    --dark-gold: #B8860B;
    --primary-black: #000000;
    --secondary-black: #1a1a1a;
    --tertiary-black: #2d2d2d;
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray-medium: #cccccc;
    --gray-dark: #666666;
    --accent-red: #dc3545;
    --accent-green: #28a745;
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header Styles */
.header {
    background: linear-gradient(90deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    border-bottom: 3px solid var(--primary-gold);
    box-shadow: var(--shadow-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    gap: 20px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-gold);
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
    flex-shrink: 0;
}

.logo img {
    height: 45px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--primary-gold);
    background: rgba(255, 215, 0, 0.1);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-gold);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
}

.mobile-menu-overlay.active {
    display: block;
}

.cta-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    min-width: 0;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-gold), var(--secondary-gold));
    color: var(--primary-black);
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    background: linear-gradient(45deg, var(--secondary-gold), var(--primary-gold));
}

.btn-secondary {
    background: transparent;
    color: var(--primary-gold);
    padding: 8px 16px;
    border: 2px solid var(--primary-gold);
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--primary-gold);
    color: var(--primary-black);
    transform: translateY(-2px);
}

/* Button text responsive - only for header buttons */
.header .btn-text-short {
    display: none;
}

.header .btn-text-full {
    display: inline;
}

/* Hero section buttons - always show full text */
.hero-section .btn-primary,
.hero-section .btn-secondary {
    font-size: 1.2rem !important;
    padding: 15px 40px !important;
    white-space: nowrap !important;
    max-width: none !important;
    width: auto !important;
}

.hero-section .btn-text-short {
    display: none !important;
}

.hero-section .btn-text-full {
    display: inline !important;
}

/* Main Content Styles */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.hero-section {
    text-align: center;
    padding: 60px 0;
    background: radial-gradient(circle at center, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    margin-bottom: 60px;
    border-radius: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--primary-gold);
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.content-block {
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--tertiary-black) 100%);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-dark);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.content-block h2 {
    color: var(--primary-gold);
    font-size: 2.2rem;
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.content-block h3 {
    color: var(--secondary-gold);
    font-size: 1.5rem;
    margin-bottom: 15px;
    margin-top: 25px;
}

.content-block p {
    color: var(--gray-light);
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-align: justify;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.grid-item {
    background: linear-gradient(135deg, var(--tertiary-black) 0%, var(--secondary-black) 100%);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    border: 2px solid rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.grid-item h4 {
    color: var(--primary-gold);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.grid-item p {
    color: var(--gray-light);
    font-size: 1rem;
    text-align: left;
}

/* Footer Styles */
.footer {
    background: var(--primary-black);
    border-top: 3px solid var(--primary-gold);
    padding: 50px 0 30px;
    margin-top: 80px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.footer-section h4 {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.footer-section ul li a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--tertiary-black);
    padding-top: 20px;
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.payment-icon {
    background: var(--white);
    padding: 8px 15px;
    border-radius: 8px;
    color: var(--primary-black);
    font-weight: bold;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .header-container {
        max-width: 100%;
        padding: 0 10px;
    }

    .nav-menu {
        gap: 10px;
    }

    .nav-menu a {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    /* Only apply to header buttons, not hero buttons */
    .header .btn-primary,
    .header .btn-secondary {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        gap: 8px;
    }

    .nav-menu a {
        font-size: 0.75rem;
        padding: 5px 8px;
    }

    /* Only apply to header buttons, not hero buttons */
    .header .btn-primary,
    .header .btn-secondary {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        height: 60px;
        padding: 0 10px;
        gap: 10px;
        justify-content: space-between;
        max-width: 100%;
        overflow: hidden;
    }

    .logo {
        flex-shrink: 0;
    }

    .logo img {
        height: 35px;
        max-width: 120px;
    }

    .mobile-menu-toggle {
        display: flex;
        flex-shrink: 0;
        order: 2;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 60px);
        background: linear-gradient(180deg, var(--primary-black) 0%, var(--secondary-black) 100%);
        flex-direction: column;
        gap: 0;
        margin: 0;
        padding: 30px 0;
        transition: left 0.3s ease;
        z-index: 1000;
        border-right: 3px solid var(--primary-gold);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    }

    .nav-menu a {
        font-size: 1rem;
        padding: 15px 25px;
        display: block;
        color: var(--white);
        border-radius: 0;
        transition: all 0.3s ease;
    }

    .nav-menu a:hover {
        background: rgba(255, 215, 0, 0.1);
        color: var(--primary-gold);
        transform: none;
        padding-left: 35px;
    }

    .cta-buttons {
        flex-direction: row;
        gap: 5px;
        flex-shrink: 0;
        order: 3;
    }

    /* Only apply to header buttons, not hero buttons */
    .header .btn-primary,
    .header .btn-secondary {
        font-size: 0.75rem;
        padding: 6px 10px;
        white-space: nowrap;
        min-width: 0;
        border-radius: 15px;
    }

    /* Only apply to header buttons */
    .header .btn-text-full {
        display: none;
    }

    .header .btn-text-short {
        display: inline;
    }

    /* Hero section buttons always show full text */
    .hero-section .btn-text-short {
        display: none !important;
    }

    .hero-section .btn-text-full {
        display: inline !important;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .header-container {
        padding: 0 8px;
        gap: 8px;
    }

    .logo img {
        height: 30px;
        max-width: 100px;
    }

    .cta-buttons {
        gap: 3px;
    }

    /* Only apply to header buttons, not hero buttons */
    .header .btn-primary,
    .header .btn-secondary {
        font-size: 0.65rem;
        padding: 4px 6px;
        border-radius: 12px;
    }

    .header .btn-primary {
        max-width: 70px;
    }

    .header .btn-secondary {
        max-width: 60px;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .header-container {
        padding: 0 5px;
        gap: 5px;
    }

    .logo img {
        height: 28px;
        max-width: 90px;
    }

    /* Only apply to header buttons, not hero buttons */
    .header .btn-primary,
    .header .btn-secondary {
        font-size: 0.6rem;
        padding: 3px 5px;
    }

    .header .btn-primary {
        max-width: 60px;
    }

    .header .btn-secondary {
        max-width: 50px;
    }
}
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .content-block {
        padding: 25px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Special Elements */
.highlight {
    color: var(--primary-gold);
    font-weight: bold;
}

.warning {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--accent-red);
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    color: var(--gray-light);
    font-style: italic;
}

.success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    color: var(--gray-light);
}

.step-list {
    counter-reset: step-counter;
}

.step-list li {
    counter-increment: step-counter;
    margin-bottom: 20px;
    padding-left: 40px;
    position: relative;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-gold);
    color: var(--primary-black);
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}