/* PG99 Quantum Matrix Theme */

:root {
    --primary-bg: #0a0e1a;
    --secondary-bg: #111827;
    --accent-color: #00d4ff;
    --accent-glow: #0099cc;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --border-color: rgba(0, 212, 255, 0.28);
    --card-bg: rgba(17, 24, 39, 0.85);
    --card-bg-strong: rgba(12, 17, 31, 0.95);
    --hover-bg: rgba(0, 212, 255, 0.12);
    --shadow-soft: 0 12px 40px rgba(0, 212, 255, 0.16);
    --shadow-hard: 0 18px 50px rgba(0, 212, 255, 0.24);
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --font-heading: 'Orbitron', 'Arial Black', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius-md: 12px;
    --radius-lg: 18px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    background: radial-gradient(circle at top left, rgba(0, 212, 255, 0.06), transparent 55%), var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #00ffff;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    color: var(--accent-color);
    text-shadow: 0 0 24px rgba(0, 212, 255, 0.55);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    color: var(--accent-color);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

h3 {
    font-size: clamp(1.35rem, 3vw, 1.9rem);
    color: var(--text-primary);
}

h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--text-primary);
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

li::marker {
    color: var(--accent-color);
}

.container {
    width: min(1180px, 100% - 2 * var(--spacing-md));
    margin: 0 auto;
}

.section {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 72%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

.section-dark {
    background: var(--card-bg-strong);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-soft);
}

.section-dark .container {
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(9, 13, 24, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 45px rgba(0, 212, 255, 0.12);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: var(--spacing-xs) 0;
    position: relative;
    flex-wrap: nowrap;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: 1.4rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    text-shadow: 0 0 22px rgba(0, 212, 255, 0.6);
    flex-shrink: 0;
}

.logo img {
    width: 120px;
    height: auto;
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    list-style: none;
    flex-wrap: nowrap;
}

.nav-link {
    position: relative;
    color: var(--text-primary);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.88rem;
    letter-spacing: 0.3px;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition-normal);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--accent-color);
}

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

.nav-link.active {
    color: var(--accent-color);
    background: rgba(0, 212, 255, 0.12);
    box-shadow: inset 0 0 18px rgba(0, 212, 255, 0.25);
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.nav-buttons .btn {
    padding: 0.5rem 1.2rem;
    font-size: 0.88rem;
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 34px;
    height: 28px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--accent-color);
    border-radius: 999px;
    transition: var(--transition-fast);
}

/* Buttons */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    font-family: var(--font-primary);
    letter-spacing: 0.6px;
    color: #04070e;
    background: var(--accent-color);
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.25);
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.35), transparent 55%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 38px rgba(0, 212, 255, 0.32);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #4ff4ff);
    color: #031018;
}

.btn-secondary {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.25);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.14);
    color: var(--text-primary);
}

.btn-large, .btn-lg {
    padding: 0.75rem 2.4rem;
    font-size: 1.05rem;
}

.btn-large + .btn-large,
.btn-lg + .btn-lg {
    margin-left: var(--spacing-xs);
}

.hero-buttons,
.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

/* Hero */
.hero {
    position: relative;
    min-height: 640px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0e1a 0%, #111827 48%, #0a0e1a 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.18) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 153, 204, 0.16) 0%, transparent 50%);
    animation: pulseGlow 8s ease-in-out infinite;
}

.hero .container {
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.hero-subtitle {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-lead {
    font-family: var(--font-primary);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.hero-home {
    min-height: 720px;
    background: linear-gradient(rgba(10, 14, 26, 0.5), rgba(10, 14, 26, 0.8)),
                url('../images/hero/hero-home.jpg') center 20%/cover no-repeat;
}

.hero-casino {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.85)),
                url('../images/hero/hero-casino.jpg') center 35%/cover no-repeat;
}

.hero-sports {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.85)),
                url('../images/hero/hero-sports.jpg') center 35%/cover no-repeat;
}

.hero-slots {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.9)),
                url('../images/hero/hero-slots.jpg') center/cover no-repeat;
}

.hero-fishing {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.9)),
                url('../images/hero/hero-fishing.jpg') center/cover no-repeat;
}

.hero-promo {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.85)),
                url('../images/hero/hero-promo.jpg') center/cover no-repeat;
}

.hero-register {
    background: linear-gradient(rgba(10, 14, 26, 0.62), rgba(10, 14, 26, 0.9)),
                url('../images/hero/hero-register.jpg') center/cover no-repeat;
}

.hero-guide {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.88)),
                url('../images/hero/hero-guide.jpg') center 30%/cover no-repeat;
}

.hero-about {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.9)),
                url('../images/hero/hero-about.jpg') center 25%/cover no-repeat;
}

.hero-banking {
    background: linear-gradient(rgba(10, 14, 26, 0.6), rgba(10, 14, 26, 0.88)),
                url('../images/hero/hero-banking.jpg') center/cover no-repeat;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 0.9; }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Content Layout */
main {
    padding: var(--spacing-xl) 0;
}

.main-content {
    padding: 0 0 var(--spacing-xl);
}

.content-section {
    margin-bottom: var(--spacing-xl);
}

.content-block {
    display: flex;
    gap: var(--spacing-lg);
    align-items: stretch;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.content-block:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-soft);
    transform: translateY(-6px);
}

.content-block.horizontal { flex-direction: row; }
.content-block.vertical { flex-direction: column; text-align: center; }
.content-block.reverse { flex-direction: row-reverse; }

.block-content, .block-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.block-image {
    flex: 1;
    min-width: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.block-image img,
.item-image img {
    width: 100%;
    height: 100%;
    max-height: 340px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: 0 18px 38px rgba(0, 212, 255, 0.12);
}

.content-grid,
.grid,
.grid-2,
.grid-3,
.grid-4,
.resources-grid,
.terms-grid,
.features-grid,
.company-stats,
.payment-methods,
.transaction-stats,
.promo-summary,
.bank-grid,
.timeline-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3,
.company-stats,
.bank-grid,
.terms-grid,
.resources-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-4,
.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.promo-summary {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.transaction-stats {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    margin-top: var(--spacing-lg);
}

.payment-methods {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    align-items: center;
}

.payment-methods img {
    width: 100%;
    max-width: 110px;
    margin: 0 auto;
    filter: drop-shadow(0 8px 15px rgba(0, 212, 255, 0.12));
}

/* Cards & Blocks */
.card,
[class$='card'],
[class$='box'],
[class$='item'],
.tip-box,
.info-box,
.warning-box,
.example-box,
.formula-box,
.method-comparison,
.deposit-method,
.promo-summary,
.promo-total,
.strategy-box,
.tier-card,
.timeline-step,
.step-card,
.tool-card,
.situation-card,
.requirement-card,
.contribution-card,
.value-card,
.vision-card,
.mission-card,
.provider-card,
.security-card,
.event-item,
.promo-item,
.strategy-card,
.vip-benefits,
.trouble-case,
.troubleshooting,
.verification-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.card:hover,
[class$='card']:hover,
[class$='box']:hover,
[class$='item']:hover,
.step-card:hover,
.timeline-step:hover,
.method-comparison:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
}

.card-header,
.step-header,
.tier-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
}

.card-icon,
.feature-icon,
.benefit-icon,
.tool-icon,
.timeline-icon,
.contrib-icon {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.35);
    color: var(--accent-color);
    font-size: 1.3rem;
    box-shadow: 0 10px 26px rgba(0, 212, 255, 0.18);
}

.benefit-item,
.strategy-item,
.feature-item,
.provider-card,
.security-card,
.requirement-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.benefit-content,
.strategy-item div,
.provider-card div,
.security-card div {
    flex: 1;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(12, 18, 32, 0.9);
}

.stat-number {
    font-size: 2rem;
    color: var(--accent-color);
    text-shadow: 0 0 18px rgba(0, 212, 255, 0.42);
}

.stat-label {
    font-family: var(--font-primary);
    text-transform: none;
    letter-spacing: 0.4px;
    color: var(--text-secondary);
}

.timeline-step,
.step-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.step-icon,
.timeline-icon {
    font-size: 1.4rem;
}

.timeline-step strong,
.step-number,
.step-num {
    font-family: var(--font-heading);
    color: var(--accent-color);
}

.tip-box,
.info-box,
.warning-box,
.example-box,
.formula-box {
    border-left: 3px solid var(--accent-color);
    padding-left: var(--spacing-md);
    background: rgba(0, 212, 255, 0.04);
}

.warning-box,
.warning,
.critical-warning {
    border-left-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.08);
}

.badge,
.badge-success,
.badge-good,
.badge-warning,
.badge-recommended,
.method-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.25rem 0.9rem;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.35);
    color: var(--accent-color);
}

.badge-success { background: rgba(34, 197, 94, 0.15); border-color: rgba(34, 197, 94, 0.45); color: #9ef7c0; }
.badge-good { background: rgba(59, 130, 246, 0.15); border-color: rgba(59, 130, 246, 0.45); color: #a5c8ff; }
.badge-warning { background: rgba(248, 113, 113, 0.15); border-color: rgba(248, 113, 113, 0.45); color: #fca5a5; }
.badge-recommended { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.45); color: #f8d16a; }

.method-badge { align-self: flex-start; margin-bottom: var(--spacing-sm); }

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

thead {
    background: rgba(0, 212, 255, 0.12);
}

th, td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid rgba(0, 212, 255, 0.12);
    color: var(--text-secondary);
}

th {
    color: var(--accent-color);
    font-size: 0.9rem;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

tr:hover {
    background: rgba(0, 212, 255, 0.06);
}

.table-wrapper,
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

/* FAQ */
.faq-section,
.faq-container,
.faq {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-soft);
}

.faq-question {
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    position: relative;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after { transform: translateY(-50%) rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0 var(--spacing-md);
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* Promo & Highlight Blocks */
.promo-highlight {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radius-lg);
}

.promo-summary {
    background: rgba(10, 16, 28, 0.9);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.promo-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.05);
}

.promo-label { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; }
.promo-value { font-size: 1.25rem; color: var(--accent-color); font-weight: 600; }

.promo-total {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(10, 16, 28, 0.85);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 212, 255, 0.3);
    font-size: 1.1rem;
}

.promo-total strong { font-size: 1.5rem; color: #00f7ff; }

/* Banking Sections */
.method-comparison { margin-bottom: var(--spacing-xl); }
.deposit-method { margin-bottom: var(--spacing-xl); }

.bank-grid { margin-top: var(--spacing-md); }

.bank-category h5 {
    font-family: var(--font-primary);
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.bank-category ul li { color: var(--text-secondary); }

.transaction-stats .stat-item {
    background: rgba(9, 14, 24, 0.92);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(0, 212, 255, 0.18);
    box-shadow: 0 10px 24px rgba(0, 212, 255, 0.12);
}

.transaction-stats .stat-number {
    font-size: 2.4rem;
    font-family: var(--font-heading);
    color: var(--accent-color);
}

.transaction-stats .stat-label {
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.78rem;
}

/* VIP Levels & Tournament */
.vip-levels,
.tier-cards,
.tournament,
.prize-list {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.tier-card {
    background: linear-gradient(160deg, rgba(0, 212, 255, 0.08), rgba(0, 212, 255, 0.02));
}

.tier-percent {
    font-size: 1.4rem;
    color: var(--accent-color);
    font-family: var(--font-heading);
}

.tier-rules ul { margin-left: var(--spacing-md); }

/* CTA */
.cta-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.cta-section h2,
.cta-section h3 {
    margin-bottom: var(--spacing-sm);
}

/* Author Box Styles */
.author-box {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 212, 255, 0.02) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.author-avatar {
    flex-shrink: 0;
}

.author-avatar img {
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.author-info {
    flex: 1;
}

.author-name {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0 0 0.3rem 0;
    font-weight: 600;
}

.author-title {
    color: var(--accent-color);
    font-size: 0.95rem;
    margin: 0 0 0.8rem 0;
    font-weight: 500;
}

.author-credentials {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 0.8rem 0;
}

.author-credentials strong {
    color: var(--text-primary);
}

.author-contact {
    font-size: 0.9rem;
}

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

.author-contact a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Article Meta Styles */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 0;
    margin: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-item svg {
    opacity: 0.7;
}

.meta-item time {
    color: var(--text-primary);
    font-weight: 500;
}

/* Safety Banner Styles - Collapsible */
.safety-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 5px solid #ff4757;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    overflow: hidden;
}

.safety-banner-header {
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background 0.3s ease;
}

.safety-banner-header:hover {
    background: rgba(0, 0, 0, 0.1);
}

.safety-banner-header h3 {
    color: #fff;
    font-size: 1.1rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.safety-banner-toggle {
    color: #fff;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.safety-banner.collapsed .safety-banner-toggle {
    transform: rotate(0deg);
}

.safety-banner.expanded .safety-banner-toggle {
    transform: rotate(180deg);
}

.safety-banner-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 1.5rem;
}

.safety-banner.expanded .safety-banner-content {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.safety-banner ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.safety-banner li {
    color: #fff;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.safety-banner li:before {
    content: "⚠️";
    position: absolute;
    left: 0;
}

.safety-banner a {
    color: #fff;
    text-decoration: underline;
    font-weight: 600;
}

.safety-banner a:hover {
    color: #ffe66d;
}

.safety-banner .hotline {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.8rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
}

.safety-banner-hint {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    margin-left: 0.5rem;
    font-weight: normal;
}

/* References Section */
.references {
    background: rgba(0, 212, 255, 0.05);
    border-left: 4px solid var(--accent-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 8px;
}

.references h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
}

.references ol {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.references li {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.references a {
    color: var(--accent-color);
    text-decoration: none;
}

.references a:hover {
    text-decoration: underline;
}

/* Responsive adjustments for new components */
@media (max-width: 768px) {
    .author-box {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .article-meta {
        flex-direction: column;
        gap: 0.8rem;
    }

    .safety-banner {
        padding: 1rem;
    }

    .safety-banner h3 {
        font-size: 1rem;
    }
}

/* Footer */
.footer {
    background: rgba(10, 14, 26, 0.95);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    width: 150px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-note {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 212, 255, 0.22);
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* Scroll To Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 54px;
    height: 54px;
    background: linear-gradient(160deg, var(--accent-color), #4ff4ff);
    color: #031018;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 14px 38px rgba(0, 212, 255, 0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-6px);
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1100px) {
    .content-block,
    .content-block.horizontal,
    .content-block.reverse {
        flex-direction: column;
        text-align: left;
    }

    .block-image,
    .block-content,
    .block-text {
        width: 100%;
    }
}

/* 移动端菜单断点 - 只在1200px以下才触发 */
@media (max-width: 1200px) {
    .header-container {
        flex-wrap: wrap;
    }

    .main-nav {
        order: 3;
        width: 100%;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(9, 14, 24, 0.96);
        padding: 0;
        border: 1px solid rgba(0, 212, 255, 0.18);
        border-radius: var(--radius-md);
        overflow: hidden;
        max-height: 0;
        opacity: 0;
        pointer-events: none;
        transition: max-height var(--transition-normal), opacity var(--transition-normal);
    }

    .nav-menu.active {
        max-height: 540px;
        opacity: 1;
        pointer-events: auto;
        padding: var(--spacing-sm) 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 0.75rem var(--spacing-md);
        border-radius: 0;
        font-size: 0.95rem;
    }

    .nav-buttons {
        gap: var(--spacing-sm);
    }

    .nav-buttons .btn {
        padding: 0.55rem 1.4rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 992px) {

    .hero {
        min-height: 520px;
    }

    .hero-buttons,
    .cta-buttons {
        width: 100%;
    }

    .hero-buttons .btn,
    .cta-buttons .btn {
        flex: 1;
        justify-content: center;
    }

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

    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 640px) {
    body { font-size: 15px; }

    .container {
        width: min(100% - var(--spacing-sm), 100%);
    }

    /* 移动端header优化 - 所有内容在一行 */
    .header-container {
        padding: 0.3rem 0;
        gap: 0.3rem;
    }

    .logo img {
        width: 80px;
    }

    .nav-buttons .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .menu-toggle {
        width: 28px;
        height: 24px;
        gap: 4px;
    }

    .menu-toggle span {
        height: 2.5px;
    }

    .hero {
        min-height: 460px;
    }

    .hero-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .content-block {
        padding: var(--spacing-md);
    }

    .promo-item {
        padding: var(--spacing-xs);
    }

    .scroll-top {
        right: 16px;
        bottom: 16px;
        width: 48px;
        height: 48px;
    }
}