:root {
            --bg: #0b0a08;
            --surface: #1c1913;
            --surface-light: #2a261d;
            --accent: #d98e32;
            --accent-hover: #e8a045;
            --accent2: #6cb4ee;
            --text: #faf7f0;
            --muted: #a89f91;
            --border: #3a3428;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
            --clip-keris: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
            --clip-btn: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(circle at 50% 0%, #1c1913 0%, #0b0a08 60%);
            background-attachment: fixed;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

        /* --- HEADER STYLES (Matching Homepage Family) --- */
        header {
            background-color: rgba(11, 10, 8, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .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: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand:hover {
            color: var(--text);
        }

        .nav-links {
            display: flex;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 8px 0;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            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: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }

        /* --- HERO SECTION --- */
        .hero-arena {
            padding: 60px 0 40px;
            position: relative;
            border-bottom: 1px solid var(--border);
        }

        .hero-arena::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(217, 142, 50, 0.05) 0%, transparent 100%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: var(--muted);
            margin-bottom: 24px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            line-height: 1.1;
            color: var(--text);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
        }

        .hero-title span {
            color: var(--accent);
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .chip {
            background-color: var(--surface);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 4px;
            font-size: 0.875rem;
            color: var(--muted);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            clip-path: var(--clip-btn);
        }

        .intro-block {
            background-color: var(--surface);
            padding: 30px;
            border-left: 4px solid var(--accent);
            font-size: 1.125rem;
            color: var(--text);
            max-width: 900px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            position: relative;
        }

        .intro-block::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, transparent 50%, var(--border) 50%);
        }

        /* --- MAIN CONTENT ARENA --- */
        .content-arena {
            padding: 60px 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .promo-card {
            background-color: var(--surface);
            padding: 40px;
            clip-path: var(--clip-keris);
            position: relative;
            transition: transform 0.3s ease;
        }

        .promo-card:hover {
            transform: translateY(-5px);
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent2));
        }

        .promo-card h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .promo-card p {
            margin-bottom: 16px;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .promo-card p:last-child {
            margin-bottom: 0;
        }

        .promo-card a {
            font-weight: 700;
            text-decoration: underline;
            text-decoration-color: rgba(108, 180, 238, 0.3);
            text-underline-offset: 4px;
        }

        .promo-card a:hover {
            text-decoration-color: var(--accent);
        }

        .promo-list {
            list-style: none;
            margin-top: 24px;
            padding-left: 0;
        }

        .promo-list li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 12px;
            color: var(--text);
            font-weight: 500;
        }

        .promo-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 12px;
            height: 12px;
            background-color: var(--accent);
            clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
        }

        /* --- FAQ ARENA --- */
        .faq-arena {
            padding: 40px 0 60px;
            max-width: 900px;
            margin: 0 auto;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--text);
            text-align: center;
            margin-bottom: 40px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        details {
            background-color: var(--surface);
            margin-bottom: 16px;
            border: 1px solid var(--border);
            clip-path: var(--clip-btn);
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: var(--accent);
            background-color: var(--surface-light);
        }

        summary {
            padding: 20px 24px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

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

        details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        details p {
            padding: 0 24px 24px;
            color: var(--muted);
            font-size: 1.05rem;
        }

        /* --- RELATED LINKS ARENA --- */
        .related-arena {
            padding: 40px 0 60px;
            border-top: 1px solid var(--border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .related-card {
            background-color: var(--surface);
            border: 1px solid var(--border);
            padding: 24px;
            text-align: center;
            clip-path: var(--clip-keris);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 120px;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            background-color: var(--accent);
            border-color: var(--accent);
        }

        .related-card a {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-decoration: none;
        }

        .related-card a::before {
            content: '';
            position: absolute;
            inset: 0;
        }

        /* --- CTA ARENA --- */
        .cta-arena {
            background: linear-gradient(to bottom, var(--surface), var(--bg));
            padding: 80px 0;
            text-align: center;
            border-top: 2px solid var(--accent);
        }

        .cta-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: var(--text);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .cta-desc {
            font-size: 1.125rem;
            color: var(--muted);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            min-width: 200px;
            min-height: 56px;
            clip-path: var(--clip-btn);
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: var(--bg);
            transform: scale(1.05);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text);
            border: 2px solid var(--accent2);
            /* Simulating border with clip-path requires inner element or box-shadow trick.
               Using background trick for clip-path borders */
            background-image: linear-gradient(var(--bg), var(--bg)), linear-gradient(var(--accent2), var(--accent2));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border: 2px solid transparent;
        }

        .btn-secondary:hover {
            background-image: linear-gradient(var(--surface-light), var(--surface-light)), linear-gradient(var(--accent2), var(--accent2));
            color: var(--accent2);
        }

        /* --- FOOTER STYLES (Matching Homepage Family) --- */
        footer {
            background-color: #050403;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .footer-tagline {
            color: var(--muted);
            margin-bottom: 32px;
            font-size: 1.1rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 24px;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .footer-links a {
            color: var(--text);
            font-weight: 500;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }

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

        .copyright {
            color: #666;
            font-size: 0.875rem;
            border-top: 1px solid #1a1a1a;
            padding-top: 20px;
        }

        /* --- RESPONSIVE BREAKPOINTS --- */
        @media (max-width: 1024px) {
            .hero-title { font-size: 3.5rem; }
            .promo-card { padding: 30px; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                flex-direction: column;
                gap: 0;
                border-bottom: 1px solid var(--border);
                clip-path: inset(0 0 100% 0);
                transition: clip-path 0.3s ease-in-out;
            }
            .nav-links.active {
                clip-path: inset(0 0 0 0);
            }
            .nav-links a {
                padding: 16px 20px;
                border-top: 1px solid var(--border);
                width: 100%;
            }
            .nav-links a::after { display: none; }

            .hero-title { font-size: 2.5rem; }
            .content-arena { padding: 40px 0; gap: 24px; }
            .promo-card { padding: 24px; }
            .promo-card h2 { font-size: 1.5rem; }
            .section-title { font-size: 2rem; }
            .btn-group { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
        }

        @media (max-width: 390px) {
            .hero-arena { padding: 40px 0 30px; }
            .intro-block { padding: 20px; font-size: 1rem; }
            .promo-card { clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px); }
            summary { padding: 16px; font-size: 1.1rem; }
            details p { padding: 0 16px 16px; }
        }


/* 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; }