:root {
            --bg: #0a120c;
            --surface: #122018;
            --surface-alt: #16281e;
            --accent: #4ade80;
            --accent-glow: rgba(74, 222, 128, 0.2);
            --accent2: #a3e635;
            --text: #f0fdf4;
            --muted: #8fb89f;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;

            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;

            --radius: 8px;
            --radius-lg: 16px;

            --shadow-step: 4px 4px 0px var(--accent);
            --shadow-step-alt: -4px 4px 0px var(--accent2);
            --motif-pattern: repeating-linear-gradient(45deg, rgba(74, 222, 128, 0.03) 0px, rgba(74, 222, 128, 0.03) 2px, transparent 2px, transparent 8px);
        }

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

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            background-image: var(--motif-pattern);
        }

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

        a:hover {
            color: var(--accent2);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* HEADER STYLES */
        header {
            background-color: rgba(10, 18, 12, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(74, 222, 128, 0.2);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
        }

        .logo:hover {
            color: var(--accent2);
        }

        .nav-links {
            display: none;
            gap: 1.5rem;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .menu-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.8rem;
            cursor: pointer;
            padding: var(--spacing-xs);
            min-width: 44px;
            min-height: 44px;
        }

        /* HERO / BANNER SECTION */
        .hero-banner {
            padding: var(--spacing-lg) 0 var(--spacing-md);
            position: relative;
            background: radial-gradient(circle at top right, var(--surface-alt) 0%, var(--bg) 70%);
            border-bottom: 2px solid var(--surface);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: var(--accent-glow);
            filter: blur(100px);
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: var(--spacing-sm);
            display: inline-block;
            background: var(--surface);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(143, 184, 159, 0.2);
        }

        h1 {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            color: var(--text);
            line-height: 1.1;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-sm);
            text-shadow: 3px 3px 0px rgba(0,0,0,0.8);
        }

        .meta-chips {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }

        .chip {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--bg);
            background-color: var(--accent);
            padding: 4px 10px;
            border-radius: 4px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 2px 2px 0px rgba(0,0,0,0.5);
        }

        .chip.secondary {
            background-color: var(--surface);
            color: var(--muted);
            border: 1px solid var(--muted);
            box-shadow: none;
        }

        .intro-block {
            font-size: 1.1rem;
            color: var(--text);
            border-left: 4px solid var(--accent);
            padding-left: var(--spacing-sm);
            background: linear-gradient(90deg, var(--surface) 0%, transparent 100%);
            padding: var(--spacing-sm);
            border-radius: 0 var(--radius) var(--radius) 0;
            max-width: 900px;
        }

        /* CONTENT AREA */
        .main-content {
            padding: var(--spacing-md) 0;
        }

        .content-section {
            margin-bottom: var(--spacing-lg);
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        h2 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            color: var(--accent2);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        h2::before {
            content: '';
            display: block;
            width: 24px;
            height: 4px;
            background-color: var(--accent);
            transform: skewX(-45deg);
        }

        p {
            margin-bottom: var(--spacing-sm);
            color: var(--text);
            opacity: 0.9;
        }

        p a {
            font-weight: 700;
            border-bottom: 1px dashed var(--accent);
        }

        p a:hover {
            border-bottom-style: solid;
        }

        /* Custom Section Styles */
        .section-registration {
            background-color: var(--surface);
            padding: var(--spacing-md);
            border-radius: var(--radius);
            box-shadow: var(--shadow-step);
            border: 1px solid rgba(74, 222, 128, 0.1);
        }

        .section-games .game-card-wrapper {
            display: grid;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }

        .game-paragraph {
            background: var(--surface-alt);
            padding: var(--spacing-sm);
            border-left: 3px solid var(--accent2);
            border-radius: 0 var(--radius) var(--radius) 0;
        }

        .section-tips {
            position: relative;
        }

        .ninja-list {
            list-style: none;
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
            background: var(--surface);
            padding: var(--spacing-md);
            border-radius: var(--radius);
        }

        .ninja-list li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .ninja-list li:last-child {
            margin-bottom: 0;
        }

        .ninja-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-size: 1.2rem;
            line-height: 1.2;
        }

        .section-security {
            border: 2px solid var(--surface-alt);
            padding: var(--spacing-md);
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }

        .section-security::after {
            content: '';
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 100px;
            height: 100px;
            background: var(--accent);
            opacity: 0.05;
            transform: rotate(45deg);
        }

        .section-responsible {
            text-align: center;
            background: repeating-linear-gradient(
                -45deg,
                var(--surface),
                var(--surface) 10px,
                var(--bg) 10px,
                var(--bg) 20px
            );
            padding: var(--spacing-md);
            border: 1px solid var(--muted);
        }

        .section-responsible h2 {
            justify-content: center;
            color: var(--muted);
        }
        .section-responsible h2::before {
            background-color: var(--muted);
        }

        /* FAQ SECTION */
        .faq-container {
            max-width: 900px;
            margin: var(--spacing-lg) auto;
        }

        .faq-container h2 {
            justify-content: center;
            margin-bottom: var(--spacing-md);
        }

        details {
            background-color: var(--surface);
            margin-bottom: var(--spacing-sm);
            border-radius: var(--radius);
            border: 1px solid rgba(143, 184, 159, 0.1);
            overflow: hidden;
        }

        summary {
            padding: var(--spacing-sm) var(--spacing-md);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--surface-alt);
            color: var(--text);
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: '+';
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }

        details p {
            padding: var(--spacing-sm) var(--spacing-md);
            margin: 0;
            border-top: 1px solid rgba(143, 184, 159, 0.1);
            color: var(--muted);
        }

        /* RELATED LINKS */
        .related-links-wrapper {
            background-color: var(--surface);
            padding: var(--spacing-md) 0;
            border-top: 1px solid rgba(74, 222, 128, 0.2);
            border-bottom: 1px solid rgba(74, 222, 128, 0.2);
            margin: var(--spacing-lg) 0;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
        }

        .related-grid a {
            background-color: var(--bg);
            color: var(--accent);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .related-grid a:hover {
            background-color: var(--accent);
            color: var(--bg);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px var(--accent-glow);
        }

        /* CTA SECTION */
        .cta-section {
            text-align: center;
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
            padding: var(--spacing-lg) var(--spacing-md);
            border-radius: var(--radius-lg);
            max-width: 800px;
            margin: 0 auto;
            box-shadow: var(--shadow-step);
            border: 2px solid var(--accent);
        }

        .cta-box h3 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--text);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .cta-box p {
            margin-bottom: var(--spacing-md);
            font-size: 1.1rem;
        }

        .btn-group {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 4px;
            min-width: 160px;
            min-height: 44px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            border: none;
            box-shadow: 4px 4px 0px var(--accent2);
        }

        .btn-primary:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--accent2);
            color: var(--bg);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--text);
            border: 2px solid var(--muted);
        }

        .btn-outline:hover {
            border-color: var(--text);
            color: var(--text);
            background-color: rgba(255,255,255,0.05);
        }

        /* FOOTER STYLES */
        footer {
            background-color: #050906;
            padding: var(--spacing-lg) 0 var(--spacing-md);
            border-top: 2px solid var(--surface);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--muted);
            text-transform: uppercase;
            display: block;
            margin-bottom: var(--spacing-xs);
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.9rem;
            max-width: 300px;
        }

        .footer-links h4 {
            color: var(--text);
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-sm);
            font-size: 1.2rem;
        }

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

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

        .footer-links a {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(143, 184, 159, 0.2);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* RESPONSIVE */
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
            .menu-toggle {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
            .section-games .game-card-wrapper {
                grid-template-columns: 1fr 1fr;
            }
            .game-paragraph:first-child {
                grid-column: span 2;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }


/* pipeline image & layout guards */
html, body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
img.site-logo { height: 40px; width: auto; max-width: 240px; object-fit: contain; flex: none; }
header .logo a { display: inline-flex; align-items: center; flex: none; text-decoration: none; }
img.hero-visual { width: 100%; max-width: 560px; height: auto; object-fit: cover; border-radius: 16px; display: block; margin-inline: auto; }
img[class^="strip-"], img[class*=" strip-"] { width: 100%; height: auto; display: block; border-radius: 12px; object-fit: cover; }
/* 合规声明块（zb-disclaimer，全站 footer） */
.zb-disclaimer { margin-top: 18px !important; padding: 14px 0 0 0 !important; border-top: 1px solid rgba(128,128,128,.25) !important; font-size: .72rem !important; line-height: 1.7 !important; opacity: .85 !important; display: block !important; text-align: left !important; width: 100% !important; clear: both !important; }
.zb-disclaimer .zb-18 { display: inline-block !important; padding: 2px 10px !important; border: 1.5px solid currentColor !important; border-radius: 6px !important; font-weight: 800 !important; letter-spacing: 1px !important; margin: 0 0 10px 0 !important; font-size: .78rem !important; }
.zb-disclaimer p { display: block !important; margin: 5px 0 !important; padding: 0 !important; color: inherit !important; font-size: .72rem !important; line-height: 1.7 !important; }
.zb-disclaimer p:last-child { margin-bottom: 0 !important; }