/* ============================================
   博天堂 - 拉斯维加斯老虎机与累积奖池平台
   CSS前缀: bv-
   备案编号: SLOT-BV-2026-3703
   ============================================ */

/* === Google Fonts Import === */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* === CSS Variables === */
:root {
    --bv-primary: #A60321;
    --bv-secondary: #000000;
    --bv-accent: #FFD700;
    --bv-highlight: #7000FF;
    --bv-bg: #1A1A1A;
    --bv-text: #FFFFFF;
    --bv-text-secondary: #CCCCCC;
    --bv-radius: 4px;
    --bv-shadow: 0 5px 25px rgba(255,215,0,0.3);
    --bv-font-title: 'Georgia', 'Times New Roman', serif;
    --bv-font-body: 'Noto Sans SC', sans-serif;
    --bv-gold-gradient: linear-gradient(135deg, #FFD700, #FFA500, #FFD700);
    --bv-red-gradient: linear-gradient(135deg, #A60321, #8B0000, #A60321);
    --bv-dark-gradient: linear-gradient(180deg, #1A1A1A, #0D0D0D);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--bv-font-body);
    background-color: var(--bv-bg);
    color: var(--bv-text);
    line-height: 1.8;
    overflow-x: hidden;
}

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

a:hover {
    color: #FFF;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--bv-font-title);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }

p {
    margin-bottom: 1rem;
    color: var(--bv-text-secondary);
}

.bv-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === Navigation === */
.bv-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid var(--bv-accent);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.bv-navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.bv-logo {
    font-family: var(--bv-font-title);
    font-size: 1.8rem;
    font-weight: 900;
    background: var(--bv-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    animation: bv-neon-pulse 2s ease-in-out infinite alternate;
    position: relative;
}

.bv-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--bv-gold-gradient);
    box-shadow: 0 0 10px var(--bv-accent), 0 0 20px var(--bv-accent);
}

@keyframes bv-neon-pulse {
    0% { filter: brightness(1) drop-shadow(0 0 5px rgba(255,215,0,0.5)); }
    100% { filter: brightness(1.2) drop-shadow(0 0 15px rgba(255,215,0,0.8)); }
}

.bv-nav-links {
    display: flex;
    list-style: none;
    gap: 5px;
}

.bv-nav-links li a {
    color: #FFF;
    padding: 8px 14px;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.bv-nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--bv-accent);
    transition: width 0.3s ease;
}

.bv-nav-links li a:hover,
.bv-nav-links li a.bv-active {
    color: var(--bv-accent);
}

.bv-nav-links li a:hover::after,
.bv-nav-links li a.bv-active::after {
    width: 80%;
}

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

.bv-btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--bv-radius);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    font-family: var(--bv-font-body);
}

.bv-btn-golden {
    background: var(--bv-gold-gradient);
    color: #000;
    box-shadow: var(--bv-shadow);
}

.bv-btn-golden:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(255,215,0,0.5);
    color: #000;
}

.bv-btn-outline {
    background: transparent;
    color: var(--bv-accent);
    border: 1px solid var(--bv-accent);
}

.bv-btn-outline:hover {
    background: var(--bv-accent);
    color: #000;
}

.bv-btn-red {
    background: var(--bv-red-gradient);
    color: #FFF;
    box-shadow: 0 5px 20px rgba(166,3,33,0.4);
}

.bv-btn-red:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(166,3,33,0.6);
}

/* === Hamburger Menu === */
.bv-hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bv-hamburger span {
    width: 28px;
    height: 3px;
    background: var(--bv-accent);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* === Hero Section === */
.bv-hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.bv-hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.bv-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.bv-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.8) 100%);
    z-index: 1;
}

.bv-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.bv-hero-content h1 {
    font-size: 3.2rem;
    color: #FFF;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 30px rgba(255,215,0,0.3);
}

.bv-hero-content h1 span {
    color: var(--bv-accent);
}

.bv-jackpot-counter {
    font-size: 4.5rem;
    font-weight: 900;
    font-family: var(--bv-font-title);
    color: var(--bv-accent);
    text-shadow: 0 0 40px rgba(255,215,0,0.6), 0 0 80px rgba(255,215,0,0.3);
    margin: 2rem 0;
    letter-spacing: 3px;
}

.bv-hero-subtitle {
    font-size: 1.4rem;
    color: var(--bv-text-secondary);
    margin-bottom: 2rem;
}

/* === Section Common === */
.bv-section {
    padding: 80px 0;
    position: relative;
}

.bv-section-dark {
    background: var(--bv-bg);
}

.bv-section-darker {
    background: #111;
}

.bv-section-red {
    background: linear-gradient(135deg, #3D0010, #1A1A1A);
}

.bv-section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.bv-section-title h2 {
    color: var(--bv-accent);
    font-size: 2.4rem;
    position: relative;
    display: inline-block;
}

.bv-section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--bv-accent);
    margin: 10px auto 0;
    box-shadow: 0 0 10px var(--bv-accent);
}

.bv-section-title p {
    color: var(--bv-text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* === Game Cards === */
.bv-games-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.bv-games-scroll::-webkit-scrollbar {
    height: 6px;
}

.bv-games-scroll::-webkit-scrollbar-track {
    background: #333;
    border-radius: 3px;
}

.bv-games-scroll::-webkit-scrollbar-thumb {
    background: var(--bv-accent);
    border-radius: 3px;
}

.bv-game-card {
    flex: 0 0 220px;
    scroll-snap-align: start;
    border-radius: var(--bv-radius);
    overflow: hidden;
    background: #222;
    transition: all 0.4s ease;
    position: relative;
    cursor: pointer;
}

.bv-game-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--bv-shadow);
}

.bv-game-card img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.bv-game-card-info {
    padding: 12px;
    text-align: center;
}

.bv-game-card-info h4 {
    font-size: 1rem;
    color: #FFF;
    margin-bottom: 0;
}

.bv-game-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    gap: 8px;
}

.bv-game-card:hover .bv-game-card-overlay {
    opacity: 1;
}

.bv-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.bv-tag-rtp {
    background: rgba(255,215,0,0.2);
    color: var(--bv-accent);
    border: 1px solid var(--bv-accent);
}

.bv-tag-volatility {
    background: rgba(112,0,255,0.2);
    color: #B388FF;
    border: 1px solid var(--bv-highlight);
}

/* === Marquee / Ticker === */
.bv-ticker {
    background: linear-gradient(90deg, #5C0015, #A60321, #5C0015);
    padding: 12px 0;
    overflow: hidden;
    position: relative;
}

.bv-ticker-track {
    display: flex;
    animation: bv-ticker-scroll 30s linear infinite;
    white-space: nowrap;
}

.bv-ticker-item {
    flex-shrink: 0;
    padding: 0 40px;
    font-size: 0.95rem;
    color: var(--bv-accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.bv-ticker-item .bv-coin-icon {
    width: 20px;
    height: 20px;
    background: var(--bv-accent);
    border-radius: 50%;
    display: inline-block;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
    color: #000;
    font-weight: 900;
}

@keyframes bv-ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* === Video Section === */
.bv-video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bv-video-card {
    background: #222;
    border-radius: var(--bv-radius);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.bv-video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bv-shadow);
}

.bv-video-card video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: #000;
}

.bv-video-card-info {
    padding: 16px;
}

.bv-video-card-info h4 {
    color: var(--bv-accent);
    font-size: 1.1rem;
}

.bv-video-card-info p {
    font-size: 0.9rem;
}

/* === Steps Guide === */
.bv-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.bv-step-card {
    background: linear-gradient(145deg, #222, #1A1A1A);
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.bv-step-card:hover {
    border-color: var(--bv-accent);
    box-shadow: var(--bv-shadow);
    transform: translateY(-5px);
}

.bv-step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bv-gold-gradient);
    color: #000;
    font-size: 1.5rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.bv-step-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.bv-step-card h3 {
    color: var(--bv-accent);
    font-size: 1.3rem;
}

/* === VIP Section === */
.bv-vip-section {
    background: linear-gradient(135deg, #2D0008 0%, #1A1A1A 50%, #1A0033 100%);
    position: relative;
    overflow: hidden;
}

.bv-vip-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

.bv-vip-levels {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.bv-vip-levels::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #CD7F32, #C0C0C0, #FFD700, #E5E4E2, #B9F2FF, #FF4500);
}

.bv-vip-level {
    padding: 15px 15px 15px 50px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--bv-radius);
}

.bv-vip-level::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--bv-accent);
    background: #1A1A1A;
    transition: all 0.3s ease;
}

.bv-vip-level:hover,
.bv-vip-level.bv-active {
    background: rgba(255,215,0,0.1);
}

.bv-vip-level:hover::before,
.bv-vip-level.bv-active::before {
    background: var(--bv-accent);
    box-shadow: 0 0 10px var(--bv-accent);
}

.bv-vip-level h4 {
    color: #FFF;
    font-size: 1rem;
    margin-bottom: 0;
}

.bv-vip-level span {
    font-size: 0.8rem;
    color: var(--bv-text-secondary);
}

.bv-vip-perks {
    background: rgba(0,0,0,0.3);
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    padding: 30px;
}

.bv-vip-perks h3 {
    color: var(--bv-accent);
    margin-bottom: 1.5rem;
}

.bv-perk-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.bv-perk-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--bv-radius);
    transition: background 0.3s ease;
}

.bv-perk-item:hover {
    background: rgba(255,215,0,0.05);
}

.bv-perk-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,215,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.bv-perk-item span {
    color: var(--bv-text-secondary);
    font-size: 0.95rem;
}

/* === Featured Games === */
.bv-featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.bv-featured-card {
    background: #222;
    border-radius: var(--bv-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    border: 1px solid #333;
}

.bv-featured-card:hover {
    border-color: var(--bv-accent);
    box-shadow: var(--bv-shadow);
}

.bv-featured-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.bv-featured-card-body {
    padding: 24px;
    flex: 1;
}

.bv-featured-card-body h3 {
    color: var(--bv-accent);
}

.bv-featured-card-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* === Payment Grid === */
.bv-payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.bv-payment-item {
    background: #222;
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    transition: all 0.3s ease;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--bv-text-secondary);
    text-align: center;
}

.bv-payment-item:hover {
    border-color: var(--bv-accent);
    background: #2A2A2A;
    color: var(--bv-accent);
}

/* === Testimonials === */
.bv-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bv-testimonial-card {
    background: #222;
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    padding: 30px;
    position: relative;
}

.bv-testimonial-card::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--bv-accent);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
}

.bv-testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.bv-testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bv-gold-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: #000;
    font-size: 1.2rem;
}

.bv-testimonial-name {
    color: var(--bv-accent);
    font-weight: 700;
}

.bv-testimonial-stars {
    color: var(--bv-accent);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.bv-testimonial-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* === License Section === */
.bv-license-section {
    background: linear-gradient(135deg, #0D0D0D, #1A1A1A);
    border-top: 1px solid #333;
    border-bottom: 1px solid #333;
}

.bv-license-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    align-items: center;
}

.bv-license-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--bv-radius);
    border: 1px solid #333;
}

.bv-license-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: var(--bv-radius);
}

.bv-license-item h4 {
    color: var(--bv-accent);
    font-size: 1rem;
    margin-bottom: 5px;
}

.bv-license-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* === Footer === */
.bv-footer {
    background: #000;
    padding: 60px 0 0;
    border-top: 1px solid var(--bv-accent);
}

.bv-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #222;
}

.bv-footer-brand .bv-logo {
    font-size: 1.5rem;
    margin-bottom: 15px;
    display: inline-block;
}

.bv-footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.bv-footer-social {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.bv-footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    color: var(--bv-text-secondary);
}

.bv-footer-social a:hover {
    border-color: var(--bv-accent);
    color: var(--bv-accent);
    background: rgba(255,215,0,0.1);
}

.bv-footer h4 {
    color: var(--bv-accent);
    font-size: 1rem;
    margin-bottom: 15px;
    font-family: var(--bv-font-body);
}

.bv-footer-links {
    list-style: none;
}

.bv-footer-links li {
    margin-bottom: 8px;
}

.bv-footer-links li a {
    color: var(--bv-text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.bv-footer-links li a:hover {
    color: var(--bv-accent);
}

.bv-footer-payment {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.bv-footer-payment span {
    background: #1A1A1A;
    padding: 6px;
    border-radius: var(--bv-radius);
    text-align: center;
    font-size: 0.75rem;
    color: var(--bv-text-secondary);
    border: 1px solid #333;
}

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

.bv-footer-bottom p {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 5px;
}

/* === Breadcrumb === */
.bv-breadcrumb {
    padding: 15px 0;
    background: rgba(0,0,0,0.5);
}

.bv-breadcrumb-list {
    list-style: none;
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
}

.bv-breadcrumb-list li {
    color: var(--bv-text-secondary);
}

.bv-breadcrumb-list li a {
    color: var(--bv-accent);
}

.bv-breadcrumb-list li + li::before {
    content: '>';
    margin-right: 8px;
    color: #666;
}

/* === Page Hero (Inner pages) === */
.bv-page-hero {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    margin-top: 70px;
}

.bv-page-hero img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bv-page-hero .bv-hero-overlay {
    z-index: 1;
}

.bv-page-hero-content {
    position: relative;
    z-index: 2;
}

.bv-page-hero-content h1 {
    font-size: 2.5rem;
    color: #FFF;
}

/* === Content Area === */
.bv-content-area {
    padding: 60px 0;
}

.bv-content-area h2 {
    color: var(--bv-accent);
    margin-top: 2rem;
}

.bv-content-area h3 {
    color: #FFF;
    margin-top: 1.5rem;
}

.bv-content-area p {
    font-size: 1rem;
    line-height: 1.9;
}

.bv-content-area ul, .bv-content-area ol {
    padding-left: 20px;
    margin-bottom: 1rem;
}

.bv-content-area li {
    color: var(--bv-text-secondary);
    margin-bottom: 8px;
    line-height: 1.7;
}

.bv-content-image {
    border-radius: var(--bv-radius);
    margin: 2rem 0;
    box-shadow: var(--bv-shadow);
}

/* === Jackpot Page === */
.bv-jackpot-total {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(166,3,33,0.3), rgba(0,0,0,0.5));
    border: 1px solid var(--bv-accent);
    border-radius: var(--bv-radius);
    margin-bottom: 40px;
}

.bv-jackpot-total h3 {
    color: var(--bv-text-secondary);
    font-size: 1.2rem;
}

.bv-jackpot-total .bv-jackpot-amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--bv-accent);
    text-shadow: 0 0 30px rgba(255,215,0,0.5);
    font-family: var(--bv-font-title);
}

.bv-jackpot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bv-jackpot-card {
    background: #222;
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    overflow: hidden;
    transition: all 0.3s ease;
}

.bv-jackpot-card:hover {
    border-color: var(--bv-accent);
    box-shadow: var(--bv-shadow);
    transform: translateY(-5px);
}

.bv-jackpot-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.bv-jackpot-card-body {
    padding: 20px;
}

.bv-jackpot-card-body h4 {
    color: #FFF;
    margin-bottom: 10px;
}

.bv-jackpot-card-amount {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--bv-accent);
    font-family: var(--bv-font-title);
}

.bv-jackpot-card-record {
    font-size: 0.85rem;
    color: var(--bv-text-secondary);
    margin-top: 5px;
}

/* === APP Download === */
.bv-app-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.bv-app-mockup img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(255,215,0,0.2));
}

.bv-app-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 30px 0;
}

.bv-app-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.bv-app-feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,215,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.bv-download-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* === FAQ Section === */
.bv-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.bv-faq-item {
    border: 1px solid #333;
    border-radius: var(--bv-radius);
    margin-bottom: 10px;
    overflow: hidden;
}

.bv-faq-question {
    padding: 18px 24px;
    background: #222;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: #FFF;
    transition: background 0.3s ease;
}

.bv-faq-question:hover {
    background: #2A2A2A;
}

.bv-faq-question .bv-faq-toggle {
    color: var(--bv-accent);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.bv-faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #1A1A1A;
}

.bv-faq-item.bv-open .bv-faq-answer {
    padding: 18px 24px;
    max-height: 500px;
}

.bv-faq-item.bv-open .bv-faq-toggle {
    transform: rotate(45deg);
}

/* === Gold Particles Background === */
.bv-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bv-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--bv-accent);
    border-radius: 50%;
    opacity: 0;
    animation: bv-float-up 8s linear infinite;
}

@keyframes bv-float-up {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(1);
    }
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #111;
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bv-accent);
}

/* === Utility Classes === */
.bv-text-gold { color: var(--bv-accent); }
.bv-text-red { color: var(--bv-primary); }
.bv-text-center { text-align: center; }
.bv-mt-1 { margin-top: 1rem; }
.bv-mt-2 { margin-top: 2rem; }
.bv-mb-1 { margin-bottom: 1rem; }
.bv-mb-2 { margin-bottom: 2rem; }

/* === Lazy Load === */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[loading="lazy"].bv-loaded {
    opacity: 1;
}

/* === Back to Top === */
.bv-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--bv-gold-gradient);
    color: #000;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: var(--bv-shadow);
    transition: all 0.3s ease;
}

.bv-back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255,215,0,0.5);
}

.bv-back-to-top.bv-visible {
    display: flex;
}