:root {
            --bg: #041214;
            --surface: #0a2226;
            --accent: #ffd166;
            --accent2: #14b8a6;
            --text: #effcff;
            --muted: #8fb0b3;
            --font-display: 'Russo One', sans-serif;
            --font-body: 'Open Sans', sans-serif;
            --glow-teal: 0 0 15px rgba(20, 184, 166, 0.4);
            --container: 1000px;
        }

        /* 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;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent2); text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: var(--accent); text-shadow: 0 0 8px rgba(255, 209, 102, 0.5); }
        h1, h2, h3, h4 { font-family: var(--font-display); font-weight: normal; line-height: 1.2; }
        .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

        /* Buttons (Shared) */
        .btn {
            display: inline-flex; justify-content: center; align-items: center;
            padding: 12px 24px; font-family: var(--font-display); font-size: 0.9rem;
            text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
            clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
            transition: all 0.3s ease; min-height: 44px; text-decoration: none;
        }
        .btn-primary { background: var(--accent); color: #000; box-shadow: 0 0 10px rgba(255,209,102,0.3); }
        .btn-primary:hover { background: #ffdf99; transform: translateY(-2px); box-shadow: 0 0 20px rgba(255,209,102,0.6); color: #000; }
        .btn-secondary { background: transparent; color: var(--accent2); border: 2px solid var(--accent2); }
        .btn-secondary:hover { background: rgba(20, 184, 166, 0.1); box-shadow: var(--glow-teal); color: var(--accent2); transform: translateY(-2px); }

        /* Header (Targeting exact structure provided) */
        header { background: rgba(4, 18, 20, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(20, 184, 166, 0.2); }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .brand { font-family: var(--font-display); font-size: 1.8rem; color: var(--text); text-transform: uppercase; letter-spacing: 1px; display: flex; align-items: center; gap: 10px; }
        .brand span { color: var(--accent); }
        .nav-links { display: none; }
        .nav-links a { color: var(--text); font-weight: 600; font-size: 0.95rem; padding: 10px; }
        .nav-links a:hover { color: var(--accent2); }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .header-actions .btn { display: none; }
        .mobile-toggle { background: transparent; border: none; color: var(--accent2); font-size: 1.8rem; cursor: pointer; min-width: 44px; min-height: 44px; }

        @media (min-width: 1024px) {
            .nav-links { display: flex; gap: 20px; align-items: center; }
            .header-actions .btn { display: inline-flex; }
            .mobile-toggle { display: none; }
        }
        /* Mobile Menu Active State */
        .nav-links.active {
            display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; width: 100%;
            background: var(--surface); padding: 20px; border-bottom: 2px solid var(--accent2); box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }

        /* Hero Stadium Vibe */
        .hero-stadium {
            padding: 60px 0 40px;
            position: relative;
            background:
                radial-gradient(circle at 50% 0%, rgba(20, 184, 166, 0.15) 0%, transparent 60%),
                linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            border-bottom: 1px solid rgba(20, 184, 166, 0.3);
            text-align: center;
        }
        .hero-stadium::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(20, 184, 166, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 184, 166, 0.05) 1px, transparent 1px);
            background-size: 40px 40px; pointer-events: none; z-index: 0;
        }
        .hero-content { position: relative; z-index: 1; }

        .breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 20px; display: inline-block; background: rgba(0,0,0,0.3); padding: 5px 15px; border-radius: 20px; border: 1px solid rgba(143, 176, 179, 0.2); }
        .breadcrumb a { color: var(--muted); }

        h1 { font-size: clamp(2rem, 5vw, 3.5rem); color: var(--text); text-transform: uppercase; margin-bottom: 20px; text-shadow: 0 0 20px rgba(20, 184, 166, 0.3); }

        .meta-chips { display: flex; justify-content: center; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
        .chip { background: rgba(20, 184, 166, 0.1); border: 1px solid var(--accent2); color: var(--accent2); padding: 5px 12px; font-size: 0.8rem; font-family: var(--font-display); letter-spacing: 1px; clip-path: polygon(5px 0, 100% 0, calc(100% - 5px) 100%, 0 100%); }

        .intro-text { font-size: 1.1rem; color: var(--text); max-width: 800px; margin: 0 auto; line-height: 1.8; border-left: 4px solid var(--accent); padding-left: 20px; text-align: left; background: rgba(10, 34, 38, 0.5); padding: 20px; }

        /* Article / Content Arena */
        .content-arena { padding: 60px 0; }
        .arena-card {
            background: var(--surface);
            border: 1px solid rgba(20, 184, 166, 0.2);
            padding: 30px; margin-bottom: 40px;
            position: relative;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .arena-card::after {
            content: ''; position: absolute; top: -1px; right: -1px; width: 30px; height: 30px;
            background: var(--bg); border-bottom: 1px solid rgba(20,184,166,0.2); border-left: 1px solid rgba(20,184,166,0.2);
        }
        .arena-card:hover { transform: translateY(-2px); box-shadow: inset 0 0 20px rgba(0,0,0,0.5), var(--glow-teal); border-color: rgba(20, 184, 166, 0.5); }

        .arena-card h2 { color: var(--accent); font-size: 1.5rem; margin-bottom: 20px; display: flex; align-items: center; gap: 15px; }
        .arena-card h2::before { content: ''; display: block; width: 12px; height: 12px; background: var(--accent2); transform: rotate(45deg); box-shadow: var(--glow-teal); }

        .arena-card p { margin-bottom: 15px; color: #d1e8eb; }
        .arena-card p:last-child { margin-bottom: 0; }

        .arena-card ul { margin: 20px 0 20px 20px; list-style: none; }
        .arena-card ul li { margin-bottom: 10px; position: relative; padding-left: 25px; color: #d1e8eb; }
        .arena-card ul li::before { content: '►'; position: absolute; left: 0; top: 2px; color: var(--accent2); font-size: 0.8rem; }

        /* FAQ Section */
        .faq-arena { padding: 40px 0 60px; }
        .faq-title { text-align: center; color: var(--text); margin-bottom: 40px; font-size: 2rem; text-transform: uppercase; }
        details { background: rgba(10, 34, 38, 0.8); border: 1px solid rgba(20, 184, 166, 0.3); margin-bottom: 15px; transition: all 0.3s ease; }
        details[open] { border-color: var(--accent2); box-shadow: 0 0 15px rgba(20, 184, 166, 0.15); }
        summary { padding: 20px; font-family: var(--font-display); font-size: 1.1rem; cursor: pointer; list-style: none; position: relative; color: var(--accent); display: flex; justify-content: space-between; align-items: center; }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: '+'; color: var(--accent2); font-size: 1.5rem; transition: transform 0.3s ease; }
        details[open] summary::after { transform: rotate(45deg); }
        details p { padding: 0 20px 20px; color: #d1e8eb; border-top: 1px dashed rgba(143, 176, 179, 0.2); padding-top: 15px; margin-top: 5px; }

        /* Related Links Grid */
        .related-links { background: var(--surface); padding: 50px 0; border-top: 2px solid var(--accent2); border-bottom: 2px solid var(--accent2); position: relative; overflow: hidden; }
        .related-links::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(20,184,166,0.05) 0%, transparent 60%); pointer-events: none; }
        .related-title { text-align: center; margin-bottom: 30px; font-size: 1.5rem; color: var(--text); }
        .links-grid { display: grid; grid-template-columns: 1fr; gap: 15px; max-width: 600px; margin: 0 auto; position: relative; z-index: 1; }
        .link-card { background: var(--bg); border: 1px solid rgba(20, 184, 166, 0.4); padding: 15px 20px; text-align: center; font-family: var(--font-display); text-transform: uppercase; font-size: 1rem; clip-path: polygon(15px 0, 100% 0, calc(100% - 15px) 100%, 0 100%); display: block; }
        .link-card:hover { background: var(--accent2); color: var(--bg); text-shadow: none; transform: scale(1.02); }
        @media (min-width: 768px) { .links-grid { grid-template-columns: repeat(3, 1fr); max-width: 900px; } }

        /* CTA Arena */
        .cta-arena { padding: 80px 0; text-align: center; background: linear-gradient(to bottom, var(--bg) 0%, rgba(10, 34, 38, 0.8) 100%); }
        .cta-box { max-width: 700px; margin: 0 auto; }
        .cta-box h2 { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; text-shadow: 0 0 15px rgba(255, 209, 102, 0.4); }
        .cta-box p { font-size: 1.1rem; color: var(--muted); margin-bottom: 30px; }
        .cta-actions { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
        .cta-actions .btn { font-size: 1.1rem; padding: 15px 40px; }

        /* Footer (Targeting exact structure provided) */
        footer { background: #020a0b; padding: 60px 0 20px; border-top: 1px solid rgba(20, 184, 166, 0.3); }
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
        @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
        .footer-brand h2 { font-family: var(--font-display); font-size: 2rem; color: var(--text); text-transform: uppercase; margin-bottom: 15px; }
        .footer-brand span { color: var(--accent); }
        .footer-tagline { color: var(--muted); font-size: 0.9rem; max-width: 300px; }
        .footer-links-group h4 { color: var(--accent2); font-family: var(--font-display); margin-bottom: 20px; font-size: 1.1rem; text-transform: uppercase; }
        .footer-links-group a { display: block; color: var(--muted); margin-bottom: 10px; font-size: 0.9rem; }
        .footer-links-group a:hover { color: var(--text); padding-left: 5px; }
        .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(143, 176, 179, 0.1); color: var(--muted); font-size: 0.8rem; }


/* 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; }