:root {
            --bg: #150a05;
            --surface: #2b1508;
            --accent1: #ffb703;
            --accent2: #fb5607;
            --text: #fff8f0;
            --muted: #c2a08b;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
            --container-w: 1024px;
            --nav-h: 70px;
        }

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

        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 15% 50%, rgba(251, 86, 7, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 85% 30%, rgba(255, 183, 3, 0.05) 0%, transparent 50%);
            background-attachment: fixed;
        }

        a {
            color: var(--accent1);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        /* Typography */
        h1, h2, h3, .logo, .footer-brand {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 400;
        }

        h2 {
            color: var(--accent1);
            font-size: 1.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        h3 {
            font-size: 1.4rem;
            color: var(--text);
        }

        p {
            margin-bottom: 1rem;
            color: var(--text);
        }

        .text-highlight {
            color: var(--accent1);
            font-weight: 600;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            font-family: var(--font-body);
            font-weight: 700;
            text-transform: uppercase;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            min-height: 44px;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent2), var(--accent1));
            color: var(--bg) !important;
            box-shadow: 0 4px 15px rgba(251, 86, 7, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--accent1), var(--accent2));
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 183, 3, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent1) !important;
            border: 2px solid var(--accent1);
        }

        .btn-secondary:hover {
            background: rgba(255, 183, 3, 0.1);
            color: var(--text) !important;
            border-color: var(--text);
        }

        /* Header (Exact Match Styling) */
        header {
            background-color: rgba(21, 10, 5, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 183, 3, 0.1);
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: var(--nav-h);
        }

        .logo {
            font-size: 28px;
            color: var(--accent1);
            background: linear-gradient(to right, var(--accent1), var(--accent2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-desktop ul {
            display: none;
            list-style: none;
            gap: 20px;
        }

        .nav-desktop a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .nav-desktop a:hover {
            color: var(--accent1);
        }

        .header-ctas {
            display: none;
            gap: 12px;
        }

        .menu-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--accent1);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
            min-width: 44px;
            min-height: 44px;
        }

        .nav-mobile {
            display: none;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: 2px solid var(--accent2);
            position: absolute;
            width: 100%;
            top: var(--nav-h);
            left: 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .nav-mobile.active {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .nav-mobile ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .nav-mobile li {
            margin-bottom: 15px;
        }

        .nav-mobile a {
            color: var(--text);
            font-size: 1.1rem;
            display: block;
            padding: 8px 0;
        }

        .nav-mobile .header-ctas {
            display: flex;
            flex-direction: column;
        }

        /* Hero Banner */
        .hero {
            padding: 60px 0 40px;
            position: relative;
            background-image:
                linear-gradient(to bottom, rgba(21,10,5,0.2), var(--bg)),
                linear-gradient(rgba(255,183,3,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,183,3,0.03) 1px, transparent 1px);
            background-size: 100% 100%, 30px 30px, 30px 30px;
            border-bottom: 1px solid var(--surface);
            text-align: center;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .breadcrumb a {
            color: var(--accent1);
        }

        .hero h1 {
            font-size: 2.5rem;
            color: var(--text);
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(251, 86, 7, 0.5);
            line-height: 1.1;
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .chip {
            background: var(--surface);
            border: 1px solid rgba(255, 183, 3, 0.2);
            color: var(--muted);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .chip::before {
            content: '';
            display: block;
            width: 6px;
            height: 6px;
            background: var(--accent2);
            border-radius: 50%;
        }

        /* Content Area */
        .main-content {
            padding: 40px 0;
        }

        .intro-block {
            background: linear-gradient(180deg, var(--surface) 0%, rgba(43, 21, 8, 0.3) 100%);
            border-left: 4px solid var(--accent1);
            padding: 24px;
            border-radius: 0 8px 8px 0;
            margin-bottom: 40px;
            font-size: 1.1rem;
            color: #fff;
        }

        .content-section {
            margin-bottom: 50px;
        }

        .content-section p a {
            text-decoration: underline;
            text-decoration-color: rgba(255,183,3,0.4);
            text-underline-offset: 4px;
            font-weight: 600;
        }

        .content-section p a:hover {
            text-decoration-color: var(--accent2);
        }

        /* Specific Section Styling */
        .help-card {
            background: var(--surface);
            border: 1px solid rgba(251, 86, 7, 0.3);
            padding: 30px;
            border-radius: 8px;
            position: relative;
            overflow: hidden;
        }

        .help-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent2), var(--accent1));
        }

        .data-list {
            list-style: none;
            margin: 20px 0;
            padding: 0;
            background: rgba(43, 21, 8, 0.5);
            border-radius: 8px;
            padding: 20px;
        }

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

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

        .data-list li::before {
            content: '■';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent1);
            font-size: 0.8rem;
        }

        /* FAQ Section */
        .faq-container {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        details {
            background: var(--surface);
            border: 1px solid rgba(255, 248, 240, 0.05);
            border-radius: 6px;
            overflow: hidden;
        }

        summary {
            padding: 18px 20px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--accent1);
            transition: background 0.3s;
            min-height: 44px;
        }

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

        summary::after {
            content: '+';
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--accent2);
            transition: transform 0.3s;
        }

        details[open] summary {
            background: rgba(0,0,0,0.2);
            border-bottom: 1px solid rgba(255, 248, 240, 0.05);
        }

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

        details p {
            padding: 20px;
            margin: 0;
            color: var(--muted);
        }

        /* Related Links */
        .related-nav {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px dashed rgba(194, 160, 139, 0.2);
        }

        .related-nav h2 {
            text-align: center;
            margin-bottom: 30px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .related-card {
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface);
            padding: 20px;
            border-radius: 8px;
            text-transform: uppercase;
            font-family: var(--font-display);
            font-size: 1.1rem;
            color: var(--text);
            border: 1px solid transparent;
            transition: all 0.3s ease;
            text-align: center;
        }

        .related-card:hover {
            background: var(--bg);
            border-color: var(--accent1);
            color: var(--accent1);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 183, 3, 0.1);
        }

        /* Final CTA */
        .final-cta {
            margin-top: 60px;
            background: linear-gradient(135deg, rgba(43, 21, 8, 0.8) 0%, rgba(21, 10, 5, 0.9) 100%);
            border: 1px solid rgba(251, 86, 7, 0.3);
            border-radius: 12px;
            padding: 40px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,183,3,0.1) 0%, transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

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

        .final-cta h2 {
            font-size: 2.2rem;
            color: var(--text);
            margin-bottom: 10px;
        }

        .final-cta p {
            color: var(--muted);
            margin-bottom: 30px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer (Exact Match Styling) */
        footer {
            background-color: #0a0502;
            padding: 60px 0 30px;
            text-align: center;
            border-top: 2px solid var(--surface);
            margin-top: 60px;
        }

        .footer-brand {
            font-size: 2rem;
            color: var(--accent1);
            margin-bottom: 10px;
        }

        .footer-tagline {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 40px;
        }

        .footer-links a {
            color: var(--text);
            font-size: 0.9rem;
        }

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

        .copyright {
            color: #666;
            font-size: 0.8rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
        }

        /* Media Queries */
        @media (min-width: 768px) {
            .hero h1 { font-size: 3.5rem; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .content-section { margin-bottom: 60px; }
            .help-card { padding: 40px; }
        }

        @media (min-width: 1024px) {
            .menu-toggle { display: none; }
            .nav-desktop ul { display: flex; }
            .header-ctas { display: flex; }
            .nav-mobile { display: none !important; }
            .related-grid { grid-template-columns: repeat(4, 1fr); }
            .hero { padding: 80px 0 60px; }
            .hero h1 { font-size: 4rem; }

            .two-col-layout {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                align-items: 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; }