:root {
            --bg: #050e16;
            --surface: #0c1e2e;
            --surface-hover: #122a42;
            --accent: #ffc857;
            --accent-hover: #e6b44e;
            --accent2: #22d3ee;
            --text: #f0faff;
            --muted: #8fadc2;
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --transition: all 0.3s ease;
        }

        * {
            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;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
        }

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

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

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            min-height: 44px;
            border: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
            box-shadow: 0 4px 15px rgba(255, 200, 87, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            color: #000;
        }

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

        .btn-secondary:hover {
            background-color: rgba(255, 200, 87, 0.1);
        }

        /* Header (A1 Styles) */
        header {
            background-color: rgba(5, 14, 22, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(143, 173, 194, 0.1);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .nav-links {
            display: none;
        }

        .nav-links a {
            font-family: var(--font-display);
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 12px;
        }

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

        .nav-actions {
            display: none;
            gap: 12px;
        }

        .mobile-toggle {
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            display: block;
            min-width: 44px;
            min-height: 44px;
        }

        /* Mobile Nav Active */
        header.nav-active .nav-links {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: 1px solid rgba(143, 173, 194, 0.1);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }

        header.nav-active .nav-actions {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: calc(80px + 240px); /* Approx below links */
            left: 0;
            width: 100%;
            background-color: var(--surface);
            padding: 0 20px 20px;
        }

        @media (min-width: 1024px) {
            .mobile-toggle { display: none; }
            .nav-links { display: flex; gap: 16px; }
            .nav-actions { display: flex; }
            header.nav-active .nav-links,
            header.nav-active .nav-actions {
                position: static;
                flex-direction: row;
                width: auto;
                background: transparent;
                padding: 0;
                box-shadow: none;
                border: none;
            }
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            padding: 60px 0 80px;
            background: linear-gradient(145deg, #0a1b2a 0%, var(--bg) 100%);
            overflow: hidden;
            text-align: center;
        }

        /* Motif: Cheerful Carnival & Monas Needle Hint */
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 150px solid transparent;
            border-right: 150px solid transparent;
            border-bottom: 300px solid rgba(34, 211, 238, 0.03);
            z-index: 0;
        }

        .hero-dec-1, .hero-dec-2, .hero-dec-3 {
            position: absolute;
            border-radius: 50%;
            z-index: 0;
        }

        .hero-dec-1 {
            width: 120px; height: 120px;
            background: radial-gradient(circle, rgba(34,211,238,0.15) 0%, transparent 70%);
            top: 10%; right: 5%;
        }

        .hero-dec-2 {
            width: 15px; height: 15px;
            background-color: var(--accent);
            top: 30%; left: 10%;
            box-shadow: 40px -20px 0 -3px var(--accent2), 80px 50px 0 2px var(--accent);
        }

        .hero-dec-3 {
            width: 200px; height: 200px;
            border: 2px dashed rgba(255, 200, 87, 0.1);
            bottom: -50px; left: -50px;
            animation: rotate 30s linear infinite;
        }

        @keyframes rotate { 100% { transform: rotate(360deg); } }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .breadcrumb {
            font-family: var(--font-display);
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 24px;
            display: inline-block;
            background: rgba(12, 30, 46, 0.6);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(143, 173, 194, 0.2);
        }

        .hero-banner h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--text);
            margin-bottom: 24px;
            text-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }

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

        .chip {
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 600;
            background-color: var(--surface);
            color: var(--accent2);
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(34, 211, 238, 0.3);
        }

        .chip.time {
            color: var(--accent);
            border-color: rgba(255, 200, 87, 0.3);
        }

        /* Main Content */
        .main-content {
            padding: 40px 0 80px;
            position: relative;
        }

        .article-grid {
            display: grid;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .intro-block {
            font-size: 1.15rem;
            color: var(--text);
            background: linear-gradient(to right, rgba(12, 30, 46, 0.8), rgba(12, 30, 46, 0.2));
            padding: 30px;
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .content-section {
            background-color: var(--surface);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(143, 173, 194, 0.1);
            position: relative;
            overflow: hidden;
        }

        /* Alternate rounded corners for monas-needle hint */
        .content-section:nth-child(even) {
            border-radius: var(--radius-sm) var(--radius-lg) var(--radius-sm) var(--radius-lg);
        }
        .content-section:nth-child(odd) {
            border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-sm);
        }

        .content-section h2 {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .content-section h2::before {
            content: '';
            display: block;
            width: 24px;
            height: 24px;
            background-color: var(--accent2);
            border-radius: 50% 50% 0 50%; /* Carnival balloon shape */
            transform: rotate(45deg);
        }

        .content-section p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .content-section p:last-child {
            margin-bottom: 0;
        }

        .custom-list {
            list-style: none;
            margin: 24px 0 0 0;
            padding: 0;
            display: grid;
            gap: 16px;
        }

        .custom-list li {
            position: relative;
            padding-left: 36px;
            color: var(--text);
            font-size: 1.05rem;
            background: rgba(5, 14, 22, 0.5);
            padding: 16px 16px 16px 48px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(34, 211, 238, 0.1);
        }

        .custom-list li::before {
            content: '★';
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.2rem;
        }

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

        .section-title {
            text-align: center;
            font-size: 2rem;
            color: var(--text);
            margin-bottom: 40px;
        }

        .section-title span {
            color: var(--accent2);
        }

        .faq-grid {
            display: grid;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        details {
            background-color: var(--surface);
            border: 1px solid rgba(143, 173, 194, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        summary {
            padding: 20px 24px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text);
            cursor: pointer;
            position: relative;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

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

        summary::after {
            content: '+';
            color: var(--accent2);
            font-size: 1.5rem;
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        details[open] summary {
            background-color: rgba(34, 211, 238, 0.05);
            color: var(--accent);
            border-bottom: 1px solid rgba(143, 173, 194, 0.1);
        }

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

        details p {
            padding: 20px 24px;
            color: var(--muted);
            margin: 0;
        }

        /* Related Links */
        .related-links-section {
            margin-top: 80px;
            padding: 40px 0;
            border-top: 1px dashed rgba(143, 173, 194, 0.2);
        }

        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .related-card {
            background-color: var(--surface);
            border: 1px solid rgba(34, 211, 238, 0.2);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 120px;
        }

        .related-card:hover {
            transform: translateY(-5px);
            background-color: var(--surface-hover);
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        .related-card a {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text);
            text-transform: capitalize;
        }

        .related-card a::after {
            content: '→';
            display: block;
            margin-top: 8px;
            color: var(--accent);
            font-size: 1.5rem;
            transition: transform 0.3s;
        }

        .related-card:hover a::after {
            transform: translateX(5px);
        }

        /* Grand CTA */
        .cta-section {
            margin: 80px auto;
            max-width: 1000px;
        }

        .cta-box {
            background: linear-gradient(135deg, #0c1e2e 0%, #0a2540 100%);
            border: 2px solid var(--accent);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: radial-gradient(rgba(255, 200, 87, 0.1) 2px, transparent 2px);
            background-size: 30px 30px;
            z-index: 0;
            opacity: 0.5;
        }

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

        .cta-box h2 {
            font-size: clamp(2rem, 4vw, 2.5rem);
            color: var(--text);
            margin-bottom: 16px;
        }

        .cta-box p {
            color: var(--muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .cta-buttons .btn {
            font-size: 1.1rem;
            padding: 14px 32px;
        }

        /* Footer (A2 Styles) */
        footer {
            background-color: #03080c;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(143, 173, 194, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 0.95rem;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 30px;
        }

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

        .footer-links a {
            color: var(--muted);
            font-size: 0.95rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(143, 173, 194, 0.1);
            color: var(--muted);
            font-size: 0.85rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 300px 1fr;
            }
            .content-section {
                padding: 50px;
            }
        }

        @media (max-width: 390px) {
            .hero-banner h1 { font-size: 1.8rem; }
            .content-section { padding: 24px; }
            .content-section h2 { font-size: 1.3rem; }
            .cta-box { padding: 40px 20px; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .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; }