:root {
            --bg-color: #0a1118;
            --surface-color: #142230;
            --surface-hover: #1c2f42;
            --accent-color: #4dd0ff;
            --accent-color-hover: #2bb6ea;
            --accent2-color: #ffd166;
            --text-main: #f0faff;
            --text-muted: #8fa8b8;
            --font-display: 'Russo One', sans-serif;
            --font-body: 'Open Sans', sans-serif;
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            font-weight: normal;
            line-height: 1.2;
        }

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

        /* --- BUTTONS --- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-family: var(--font-display);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            min-height: 44px;
        }

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

        .btn-primary:hover {
            background-color: var(--accent-color-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(77, 208, 255, 0.3);
            color: var(--bg-color);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent2-color);
            border: 2px solid var(--accent2-color);
        }

        .btn-secondary:hover {
            background-color: var(--accent2-color);
            color: var(--bg-color);
            transform: translateY(-2px);
        }

        .btn-large {
            padding: 14px 28px;
            font-size: 16px;
        }

        /* --- HEADER & FOOTER STYLES (Applying to Verbatim HTML) --- */
        header {
            background-color: rgba(10, 17, 24, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(143, 168, 184, 0.1);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 24px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .nav-links {
            display: none;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
        }

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

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

        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu {
            display: none;
            background-color: var(--surface-color);
            padding: 20px;
            border-bottom: 1px solid rgba(143, 168, 184, 0.1);
        }

        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu a {
            color: var(--text-main);
            font-size: 16px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(143, 168, 184, 0.1);
        }

        .mobile-menu .header-ctas {
            display: flex;
            flex-direction: column;
            margin-top: 15px;
        }

        footer {
            background-color: var(--surface-color);
            padding: 60px 0 20px;
            margin-top: 60px;
            border-top: 4px solid var(--accent-color);
        }

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

        .footer-brand {
            font-family: var(--font-display);
            font-size: 28px;
            margin-bottom: 15px;
        }

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

        .footer-tagline {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(143, 168, 184, 0.1);
            color: var(--text-muted);
            font-size: 14px;
        }

        /* --- PAGE SPECIFIC STYLES --- */

        /* Hero Banner */
        .hero-banner {
            background: linear-gradient(135deg, #0a1118 0%, #112a42 100%);
            padding: 60px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(77, 208, 255, 0.2);
        }

        /* Subtle Kite Motif in Background */
        .hero-banner::before, .hero-banner::after {
            content: '';
            position: absolute;
            width: 150px;
            height: 150px;
            background: linear-gradient(45deg, transparent 49%, rgba(77, 208, 255, 0.05) 50%, transparent 51%);
            border: 1px solid rgba(77, 208, 255, 0.1);
            transform: rotate(45deg);
        }

        .hero-banner::before { top: -50px; left: -50px; }
        .hero-banner::after { bottom: -50px; right: 10%; width: 250px; height: 250px; border-color: rgba(255, 209, 102, 0.05); }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: inline-block;
            background: rgba(20, 34, 48, 0.5);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(143, 168, 184, 0.2);
            position: relative;
            z-index: 1;
        }

        .hero-banner h1 {
            font-size: 32px;
            color: var(--text-main);
            margin-bottom: 24px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            position: relative;
            z-index: 1;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .chip {
            background-color: var(--surface-color);
            color: var(--accent2-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            border: 1px solid rgba(255, 209, 102, 0.3);
        }

        /* Content Area */
        .page-content {
            padding: 40px 0;
            max-width: 900px;
        }

        .intro-block {
            background-color: var(--surface-color);
            border-left: 4px solid var(--accent-color);
            padding: 24px 30px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-size: 17px;
            margin-bottom: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            position: relative;
        }

        /* Kite decoration for intro */
        .intro-block::before {
            content: '';
            position: absolute;
            top: -10px;
            right: 20px;
            width: 20px;
            height: 20px;
            background-color: var(--accent2-color);
            transform: rotate(45deg);
            opacity: 0.8;
            box-shadow: 0 0 10px var(--accent2-color);
        }

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

        .content-section h2 {
            font-size: 24px;
            color: var(--accent-color);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* Kite icon for H2 */
        .content-section h2::before {
            content: '';
            display: block;
            width: 14px;
            height: 14px;
            background-color: var(--accent2-color);
            transform: rotate(45deg);
            flex-shrink: 0;
        }

        .content-section p {
            margin-bottom: 16px;
            color: #d0e3f0;
        }

        /* Special Styling for specific sections to create variety */
        .guide-card {
            background: linear-gradient(180deg, var(--surface-color) 0%, rgba(20, 34, 48, 0.4) 100%);
            border: 1px solid rgba(143, 168, 184, 0.15);
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 40px;
        }

        .guide-card h2::before {
            background-color: var(--accent-color);
        }

        .benefits-list {
            list-style: none;
            margin: 20px 0;
            padding: 0;
        }

        .benefits-list li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 16px;
            color: #d0e3f0;
        }

        .benefits-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 2px;
            width: 22px;
            height: 22px;
            background-color: rgba(77, 208, 255, 0.1);
            color: var(--accent-color);
            border: 1px solid var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

        /* FAQ Section */
        .faq-container {
            margin-top: 60px;
            background-color: var(--surface-color);
            padding: 40px;
            border-radius: var(--border-radius);
            border-top: 3px solid var(--accent2-color);
        }

        .faq-container h2 {
            text-align: center;
            margin-bottom: 30px;
            color: var(--text-main);
        }

        .faq-container h2::before {
            display: none;
        }

        details {
            background-color: rgba(10, 17, 24, 0.6);
            border: 1px solid rgba(143, 168, 184, 0.2);
            border-radius: 8px;
            margin-bottom: 15px;
            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(--text-main);
            transition: background-color 0.2s;
        }

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

        summary::after {
            content: '+';
            font-size: 24px;
            color: var(--accent-color);
            line-height: 1;
        }

        details[open] summary {
            background-color: rgba(77, 208, 255, 0.05);
            border-bottom: 1px solid rgba(143, 168, 184, 0.2);
        }

        details[open] summary::after {
            content: '−';
        }

        details p {
            padding: 20px;
            margin: 0;
            color: #d0e3f0;
            background-color: rgba(10, 17, 24, 0.3);
        }

        /* Related Links */
        .related-block {
            margin: 60px 0;
            text-align: center;
        }

        .related-block h3 {
            font-size: 20px;
            margin-bottom: 24px;
            color: var(--text-muted);
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .related-grid a {
            background-color: var(--surface-color);
            border: 1px solid rgba(143, 168, 184, 0.2);
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .related-grid a:hover {
            background-color: var(--accent-color);
            color: var(--bg-color);
            border-color: var(--accent-color);
            transform: translateY(-2px);
        }

        /* Bottom CTA */
        .mega-cta {
            background: linear-gradient(135deg, var(--accent-color) 0%, #1a9bc6 100%);
            border-radius: var(--border-radius);
            padding: 50px 30px;
            text-align: center;
            color: var(--bg-color);
            margin: 60px 0 20px;
            position: relative;
            overflow: hidden;
        }

        /* Decorative kites in CTA */
        .mega-cta::before, .mega-cta::after {
            content: '';
            position: absolute;
            background-color: rgba(255, 255, 255, 0.1);
            transform: rotate(45deg);
        }
        .mega-cta::before { width: 100px; height: 100px; top: -30px; left: -30px; }
        .mega-cta::after { width: 150px; height: 150px; bottom: -50px; right: -50px; }

        .mega-cta h3 {
            font-size: 28px;
            margin-bottom: 15px;
            color: var(--bg-color);
            position: relative;
            z-index: 1;
        }

        .mega-cta p {
            font-size: 16px;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            font-weight: 600;
        }

        .mega-cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

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

        .mega-cta .btn-primary:hover {
            background-color: var(--surface-color);
            box-shadow: 0 6px 15px rgba(0,0,0,0.2);
        }

        .mega-cta .btn-secondary {
            border-color: var(--bg-color);
            color: var(--bg-color);
        }

        .mega-cta .btn-secondary:hover {
            background-color: var(--bg-color);
            color: var(--accent-color);
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (min-width: 768px) {
            .hero-banner h1 { font-size: 42px; }
            .header-inner { height: 80px; }
            .mobile-toggle { display: none; }
            .nav-links { display: flex; }
            .header-ctas { display: flex; }
            .footer-grid { grid-template-columns: 1fr 2fr; }
            .footer-links { grid-template-columns: repeat(3, 1fr); }
            .intro-block { padding: 30px 40px; font-size: 18px; }
            .mega-cta { padding: 60px; }
            .mega-cta h3 { font-size: 36px; }
        }

        @media (min-width: 1024px) {
            .footer-links { grid-template-columns: repeat(4, 1fr); }
            .guide-card { padding: 40px; }
        }

        @media (max-width: 390px) {
            .mega-cta-buttons { flex-direction: column; }
            .mega-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; }