:root {
            /* Palette */
            --bg: #0b0a08;
            --surface: #1c1913;
            --accent: #d98e32;
            --accent2: #6cb4ee;
            --text: #faf7f0;
            --muted: #a89f91;

            /* Fonts */
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;

            /* Layout */
            --container-w: 1200px;
            --gap-sm: 1rem;
            --gap-md: 2rem;
            --gap-lg: 4rem;

            /* Motif: Keris Legacy / Esports Colosseum */
            --clip-angle: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
            --clip-angle-reverse: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px));
        }

        /* Reset & Base */
        * { 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:
                linear-gradient(45deg, rgba(217, 142, 50, 0.03) 25%, transparent 25%, transparent 75%, rgba(217, 142, 50, 0.03) 75%, rgba(217, 142, 50, 0.03)),
                linear-gradient(45deg, rgba(217, 142, 50, 0.03) 25%, transparent 25%, transparent 75%, rgba(217, 142, 50, 0.03) 75%, rgba(217, 142, 50, 0.03));
            background-size: 60px 60px;
            background-position: 0 0, 30px 30px;
        }

        a { color: var(--accent); text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: var(--accent2); }

        h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; font-weight: normal; letter-spacing: 1px; line-height: 1.1; }

        .container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }

        /* Header (Exact Match Styling) */
        header { background-color: var(--surface); border-bottom: 2px solid var(--accent); position: sticky; top: 0; z-index: 100; }
        .nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .brand { font-family: var(--font-display); font-size: 2rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }
        .nav-links { display: flex; gap: 20px; }
        .nav-links a { color: var(--text); font-weight: 600; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.5px; }
        .nav-links a:hover { color: var(--accent); }
        .menu-toggle { display: none; background: none; border: none; color: var(--accent); font-size: 1.8rem; cursor: pointer; }

        /* Hero / Arena Entrance */
        .hero {
            padding: var(--gap-lg) 0 var(--gap-md);
            text-align: center;
            position: relative;
            background: radial-gradient(circle at top center, rgba(217, 142, 50, 0.15) 0%, transparent 70%);
            border-bottom: 1px solid rgba(217, 142, 50, 0.2);
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: var(--gap-md);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }
        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            color: var(--text);
            margin-bottom: var(--gap-sm);
            text-shadow: 0 4px 20px rgba(0,0,0,0.8);
            max-width: 900px;
            margin-inline: auto;
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: var(--gap-md);
            flex-wrap: wrap;
        }
        .chip {
            background-color: var(--surface);
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 5px 15px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            clip-path: var(--clip-angle);
        }
        .intro-text {
            font-size: 1.1rem;
            color: var(--muted);
            max-width: 800px;
            margin: 0 auto;
            text-align: justify;
            text-align-last: center;
        }

        /* Content Arena */
        .content-arena { padding: var(--gap-lg) 0; }
        .section-block { margin-bottom: var(--gap-lg); }
        .section-block h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: var(--accent);
            margin-bottom: var(--gap-md);
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }
        .section-block h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--accent2);
        }
        .section-block p {
            margin-bottom: var(--gap-sm);
            font-size: 1.05rem;
            color: var(--text);
        }
        .section-block p a {
            font-weight: 700;
            border-bottom: 1px dashed var(--accent);
        }
        .section-block p a:hover {
            color: var(--accent2);
            border-bottom-color: var(--accent2);
        }

        /* Bonus Cards (The Perks) */
        .bonus-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: var(--gap-md);
            list-style: none;
        }
        .bonus-card {
            background-color: var(--surface);
            border: 1px solid rgba(217, 142, 50, 0.3);
            padding: 25px;
            position: relative;
            clip-path: var(--clip-angle-reverse);
            transition: transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .bonus-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            background-color: #231f18;
        }
        .bonus-card::before {
            content: '✦';
            font-size: 1.5rem;
            color: var(--accent2);
            font-family: var(--font-display);
        }
        .bonus-card span {
            font-weight: 600;
            font-size: 1.1rem;
        }

        /* Highlight Box (Turnover Section) */
        .highlight-box {
            background: linear-gradient(90deg, var(--surface) 0%, transparent 100%);
            border-left: 5px solid var(--accent);
            padding: 30px;
            margin-top: var(--gap-md);
        }

        /* FAQ Accordion (The Rules) */
        .faq-section {
            background-color: var(--surface);
            padding: var(--gap-md);
            border: 1px solid rgba(168, 159, 145, 0.2);
            clip-path: var(--clip-angle);
        }
        details {
            border-bottom: 1px solid rgba(217, 142, 50, 0.2);
            padding: 15px 0;
        }
        details:last-child { border-bottom: none; }
        summary {
            font-family: var(--font-display);
            font-size: 1.2rem;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 30px;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }
        details[open] summary::after {
            content: '−';
            color: var(--accent2);
        }
        details[open] summary { color: var(--accent); }
        details p {
            margin-top: 15px;
            color: var(--muted);
            padding-left: 10px;
            border-left: 2px solid var(--accent2);
        }

        /* Related Links (Navigation Grid) */
        .related-nav {
            margin: var(--gap-lg) 0;
            text-align: center;
        }
        .related-nav h3 {
            font-size: 2rem;
            margin-bottom: var(--gap-md);
            color: var(--muted);
        }
        .nav-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        .nav-grid a {
            display: inline-block;
            background-color: transparent;
            border: 2px solid var(--muted);
            color: var(--text);
            padding: 12px 25px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            text-transform: uppercase;
            clip-path: var(--clip-angle);
            transition: all 0.3s ease;
        }
        .nav-grid a:hover {
            border-color: var(--accent2);
            color: var(--accent2);
            background-color: rgba(108, 180, 238, 0.1);
        }

        /* CTA Block (The Call to Arena) */
        .cta-block {
            background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
            border: 1px solid var(--accent);
            padding: var(--gap-lg) 20px;
            text-align: center;
            margin-bottom: var(--gap-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(217, 142, 50, 0.05) 10px, rgba(217, 142, 50, 0.05) 20px);
            z-index: 0;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--text);
            margin-bottom: var(--gap-md);
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 40px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            clip-path: var(--clip-angle);
            min-width: 200px;
            min-height: 54px; /* Touch target */
        }
        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            border: none;
        }
        .btn-primary:hover {
            background-color: var(--text);
            color: var(--bg);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background-color: var(--accent);
            color: var(--bg);
        }

        /* Footer (Exact Match Styling) */
        footer { background-color: var(--surface); padding: var(--gap-lg) 0 var(--gap-md); border-top: 1px solid rgba(168, 159, 145, 0.2); text-align: center; }
        .footer-brand { font-family: var(--font-display); font-size: 2.5rem; color: var(--muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; display: flex; justify-content: center; align-items: center; gap: 10px; }
        .footer-tagline { color: var(--muted); font-size: 0.9rem; margin-bottom: var(--gap-md); }
        .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: var(--gap-md); max-width: 800px; margin-inline: auto; }
        .footer-links a { color: var(--text); font-size: 0.9rem; font-weight: 500; text-transform: uppercase; }
        .footer-links a:hover { color: var(--accent); }
        .copyright { color: var(--muted); font-size: 0.8rem; }

        /* Media Queries */
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                flex-direction: column;
                padding: 20px;
                border-bottom: 2px solid var(--accent);
                text-align: center;
            }
            .nav-links.active { display: flex; }
            .intro-text { text-align: left; text-align-last: left; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
        }


/* 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; }