:root {
            --bg: #140505;
            --surface: #260d0d;
            --accent: #ff6b00;
            --accent2: #ffd700;
            --text: #fff5f0;
            --muted: #c28888;
            --font-display: 'Oswald', sans-serif;
            --font-body: 'Fira Sans', sans-serif;
        }

        * {
            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;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* --- HEADER STYLES --- */
        header {
            background-color: var(--surface);
            border-bottom: 2px solid var(--accent);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        nav ul {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        nav a {
            color: var(--text);
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
        }

        /* --- HERO BANNER --- */
        .hero-banner {
            background: linear-gradient(135deg, rgba(20,5,5,0.9) 0%, rgba(38,13,13,0.95) 100%),
                        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,107,0,0.03) 10px, rgba(255,107,0,0.03) 20px);
            padding: 60px 0;
            border-bottom: 1px solid rgba(255,107,0,0.2);
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: radial-gradient(circle at center, rgba(255,107,0,0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 24px;
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        h1 {
            font-family: var(--font-display);
            font-size: clamp(32px, 5vw, 52px);
            text-transform: uppercase;
            font-style: italic;
            color: #ffffff;
            text-shadow: 3px 3px 0 rgba(255,107,0,0.8);
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .chip {
            background: rgba(38,13,13,0.8);
            border: 1px solid rgba(255,107,0,0.4);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 13px;
            color: var(--accent2);
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: inset 0 0 10px rgba(255,107,0,0.1);
        }

        .chip::before {
            content: '•';
            color: var(--accent);
            font-size: 18px;
            line-height: 0;
        }

        .intro-box {
            font-size: 18px;
            color: #fcebeb;
            border-left: 4px solid var(--accent);
            padding: 24px 30px;
            background: linear-gradient(90deg, rgba(38,13,13,0.8) 0%, rgba(20,5,5,0) 100%);
            border-radius: 0 8px 8px 0;
            position: relative;
            max-width: 900px;
        }

        /* --- MAIN CONTENT --- */
        .content-area {
            padding: 60px 0;
        }

        .content-wrapper {
            max-width: 850px;
            margin: 0 auto;
        }

        h2 {
            font-family: var(--font-display);
            font-size: clamp(24px, 4vw, 32px);
            color: var(--accent2);
            text-transform: uppercase;
            margin: 60px 0 25px;
            display: flex;
            align-items: center;
            gap: 15px;
            border-bottom: 1px solid rgba(255,215,0,0.1);
            padding-bottom: 10px;
        }

        h2::before {
            content: '';
            display: block;
            width: 24px;
            height: 24px;
            background: var(--accent);
            transform: skewX(-20deg);
            box-shadow: 4px 0 0 var(--accent2);
        }

        p {
            margin-bottom: 24px;
            font-size: 17px;
            color: #e8dada;
        }

        p a {
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
            font-weight: 500;
        }
        p a:hover {
            border-bottom-style: solid;
        }

        /* Thematic Cards for Sections */
        .feature-card {
            background: var(--surface);
            border: 1px solid #3a1515;
            border-radius: 8px;
            padding: 35px;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0; right: 0; width: 100px; height: 100px;
            background: linear-gradient(135deg, transparent 50%, rgba(255,107,0,0.1) 50%);
        }

        .alert-card {
            border-left: 4px solid var(--accent2);
            background: linear-gradient(90deg, rgba(255,215,0,0.08) 0%, transparent 100%);
            padding: 25px 30px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }

        /* Lists */
        .content-wrapper ul {
            list-style: none;
            padding: 0;
            margin: 30px 0;
            background: var(--surface);
            padding: 30px;
            border-radius: 8px;
            border: 1px solid #3a1515;
        }

        .content-wrapper li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 16px;
            font-size: 17px;
            color: #e8dada;
        }
        .content-wrapper li:last-child {
            margin-bottom: 0;
        }

        .content-wrapper li::before {
            content: '»';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 22px;
            line-height: 1;
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 60px;
        }

        details {
            background: var(--surface);
            margin-bottom: 16px;
            border-radius: 6px;
            border: 1px solid #3a1515;
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: rgba(255,107,0,0.5);
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        summary {
            padding: 20px 24px;
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 500;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
            letter-spacing: 0.5px;
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 24px;
            font-weight: bold;
            transition: transform 0.3s;
            width: 24px;
            text-align: center;
        }

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

        details p {
            padding: 0 24px 24px;
            margin: 0;
            color: var(--muted);
            border-top: 1px dashed #3a1515;
            padding-top: 20px;
            font-size: 16px;
        }

        /* --- RELATED PAGES BLOCK --- */
        .related-pages {
            background: var(--surface);
            padding: 45px;
            border-radius: 12px;
            text-align: center;
            margin: 80px 0;
            border: 2px dashed #3a1515;
            position: relative;
        }

        .related-pages::before {
            content: 'PIT STOP NAVIGASI';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg);
            padding: 0 20px;
            color: var(--accent2);
            font-family: var(--font-display);
            font-size: 16px;
            letter-spacing: 2px;
            border: 1px solid #3a1515;
            border-radius: 20px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-top: 20px;
        }

        .related-grid a {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px;
            background: var(--bg);
            border: 1px solid rgba(255,107,0,0.3);
            color: var(--text);
            font-family: var(--font-display);
            text-transform: uppercase;
            border-radius: 6px;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .related-grid a:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            box-shadow: 0 5px 15px rgba(255,107,0,0.4);
            transform: translateY(-3px);
            font-weight: 700;
        }

        /* --- CTA BLOCK --- */
        .cta-block {
            background: linear-gradient(135deg, #cc5500 0%, #803300 100%);
            padding: 60px 40px;
            text-align: center;
            border-radius: 16px;
            margin: 60px 0;
            position: relative;
            overflow: hidden;
            box-shadow: 0 15px 40px rgba(204,85,0,0.3);
            border: 2px solid var(--accent);
        }

        .cta-block::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0,0,0,0.1) 20px, rgba(0,0,0,0.1) 40px);
            pointer-events: none;
        }

        .cta-title {
            font-family: var(--font-display);
            font-size: clamp(28px, 4vw, 40px);
            color: #ffffff;
            text-transform: uppercase;
            font-style: italic;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
            position: relative;
            z-index: 2;
        }

        .cta-desc {
            font-size: 18px;
            color: #ffe5d9;
            margin-bottom: 35px;
            position: relative;
            z-index: 2;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn {
            padding: 16px 45px;
            font-family: var(--font-display);
            text-transform: uppercase;
            font-size: 18px;
            border-radius: 4px;
            font-weight: 700;
            letter-spacing: 1px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 200px;
            min-height: 44px; /* Touch target */
        }

        .btn-primary {
            background: var(--bg);
            color: var(--accent);
            border: 2px solid var(--bg);
        }
        .btn-primary:hover {
            background: var(--text);
            color: var(--bg);
            border-color: var(--text);
        }

        .btn-secondary {
            background: transparent;
            color: #ffffff;
            border: 2px solid #ffffff;
        }
        .btn-secondary:hover {
            background: #ffffff;
            color: #803300;
        }

        /* --- FOOTER STYLES --- */
        footer {
            background-color: var(--surface);
            padding: 60px 0 30px;
            border-top: 4px solid var(--accent);
        }

        .footer-top {
            margin-bottom: 40px;
            text-align: center;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 32px;
            color: var(--accent);
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 16px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
            border-top: 1px solid #3a1515;
            border-bottom: 1px solid #3a1515;
            padding: 40px 0;
        }

        .footer-links div {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: var(--text);
            font-size: 15px;
            min-height: 44px; /* Touch target */
            display: flex;
            align-items: center;
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--muted);
            font-size: 14px;
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 1024px) {
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            header nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                padding: 20px 0;
                border-bottom: 2px solid var(--accent);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
                gap: 0;
            }

            header nav ul.active {
                display: flex;
            }

            header nav a {
                display: block;
                padding: 15px 20px;
                border-bottom: 1px solid #3a1515;
            }
            header nav li:last-child a {
                border-bottom: none;
            }

            .intro-box {
                padding: 20px;
                border-radius: 8px;
                border-left: none;
                border-top: 4px solid var(--accent);
            }

            .feature-card, .alert-card, .content-wrapper ul {
                padding: 20px;
            }

            .alert-card {
                border-radius: 8px;
                border-left: none;
                border-top: 4px solid var(--accent2);
            }

            .related-pages {
                padding: 30px 20px;
            }

            .cta-block {
                padding: 40px 20px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }

        @media (max-width: 390px) {
            .footer-links {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-links a {
                justify-content: center;
            }
            .footer-links a:hover {
                padding-left: 0;
            }
            h2 {
                font-size: 22px;
            }
            .meta-chips {
                flex-direction: column;
                align-items: flex-start;
            }
        }


/* 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; }