:root {
            --bg: #041214;
            --surface: #0a2226;
            --accent: #ffd166;
            --accent2: #14b8a6;
            --text: #effcff;
            --muted: #8fb0b3;
            --font-display: 'Russo One', sans-serif;
            --font-body: 'Open Sans', sans-serif;
        }

        * {
            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;
            overflow-x: hidden;
        }

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

        /* --- HEADER STYLES --- */
        header {
            background-color: var(--surface);
            border-bottom: 2px solid var(--accent2);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(4, 18, 20, 0.8);
        }

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

        .brand {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: var(--text);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-links {
            display: flex;
            gap: 25px;
        }

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
            transition: color 0.3s;
        }

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

        .header-actions {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .btn {
            font-family: var(--font-display);
            padding: 10px 20px;
            text-decoration: none;
            text-transform: uppercase;
            font-size: 0.9rem;
            border-radius: 4px;
            transition: all 0.3s;
            cursor: pointer;
            text-align: center;
            border: none;
            clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(255, 209, 102, 0.4);
        }

        .btn-primary:hover {
            background-color: #ffde8a;
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 209, 102, 0.6);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent2);
            border: 2px solid var(--accent2);
            padding: 8px 18px; /* adjust for border */
        }

        .btn-secondary:hover {
            background-color: rgba(20, 184, 166, 0.1);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--accent2);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* --- HERO SECTION --- */
        .hero {
            position: relative;
            padding: 60px 0 80px;
            background: radial-gradient(circle at top right, rgba(20, 184, 166, 0.15) 0%, transparent 60%),
                        radial-gradient(circle at bottom left, rgba(255, 209, 102, 0.05) 0%, transparent 50%);
            border-bottom: 1px solid rgba(20, 184, 166, 0.2);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient(45deg, rgba(10,34,38,0.3) 0, rgba(10,34,38,0.3) 2px, transparent 2px, transparent 10px);
            z-index: -1;
        }

        .breadcrumb {
            font-family: var(--font-display);
            color: var(--muted);
            font-size: 0.85rem;
            margin-bottom: 25px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--text);
            line-height: 1.1;
            margin-bottom: 20px;
            text-transform: uppercase;
            text-shadow: 0 0 20px rgba(20, 184, 166, 0.4);
            max-width: 900px;
        }

        .meta-chips {
            display: flex;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .chip {
            background-color: rgba(10, 34, 38, 0.8);
            border: 1px solid var(--accent2);
            color: var(--accent);
            padding: 6px 14px;
            font-size: 0.8rem;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
        }

        .intro-box {
            background-color: var(--surface);
            border-left: 5px solid var(--accent);
            padding: 30px;
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text);
            position: relative;
            box-shadow: 10px 10px 0 rgba(4, 18, 20, 0.5);
            max-width: 1000px;
        }

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

        .section-block {
            margin-bottom: 70px;
            max-width: 900px;
        }

        .section-block h2 {
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 1.8rem;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 15px;
            text-transform: uppercase;
        }

        .section-block h2::before {
            content: '';
            display: block;
            width: 40px;
            height: 6px;
            background-color: var(--accent2);
            transform: skewX(-30deg);
        }

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

        .section-block a {
            color: var(--accent2);
            text-decoration: none;
            font-weight: 700;
            border-bottom: 1px dashed var(--accent2);
            transition: all 0.3s;
        }

        .section-block a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        /* List Variations */
        .list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin: 30px 0;
            list-style: none;
        }
        .list-grid li {
            background: var(--surface);
            padding: 20px;
            border: 1px solid rgba(20, 184, 166, 0.3);
            border-radius: 4px;
            position: relative;
            padding-left: 45px;
        }
        .list-grid li::before {
            content: '✦';
            position: absolute;
            left: 15px;
            top: 20px;
            color: var(--accent);
            font-size: 1.2rem;
            line-height: 1;
        }

        .list-steps {
            counter-reset: hero-step;
            list-style: none;
            margin: 30px 0;
        }
        .list-steps li {
            position: relative;
            padding-left: 60px;
            margin-bottom: 25px;
            background: rgba(10, 34, 38, 0.4);
            padding-top: 15px;
            padding-bottom: 15px;
            padding-right: 20px;
            border-left: 2px solid var(--accent2);
        }
        .list-steps li::before {
            counter-increment: hero-step;
            content: counter(hero-step);
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            background: var(--accent2);
            color: var(--bg);
            font-family: var(--font-display);
            display: flex;
            align-items: center;
            justify-content: center;
            clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
            font-size: 1.1rem;
        }

        .list-badges {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin: 30px 0;
            list-style: none;
        }
        .list-badges li {
            background: linear-gradient(90deg, var(--surface) 0%, rgba(10,34,38,0) 100%);
            padding: 15px 20px;
            border-left: 4px solid var(--accent);
            font-weight: 600;
        }

        .list-checks {
            list-style: none;
            margin: 30px 0;
            column-count: 1;
        }
        @media(min-width: 768px) { .list-checks { column-count: 2; column-gap: 40px; } }
        .list-checks li {
            position: relative;
            padding-left: 35px;
            margin-bottom: 15px;
            break-inside: avoid;
        }
        .list-checks li::before {
            content: '✔';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent2);
            font-family: var(--font-display);
            font-size: 1.2rem;
            background: rgba(20,184,166,0.1);
            width: 24px; height: 24px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 4px;
        }

        .list-alerts {
            list-style: none;
            margin: 30px 0;
            background: var(--surface);
            padding: 25px;
            border: 1px dashed var(--accent2);
        }
        .list-alerts li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 15px;
        }
        .list-alerts li:last-child { margin-bottom: 0; }
        .list-alerts li::before {
            content: '►';
            position: absolute;
            left: 0;
            top: 4px;
            color: var(--accent);
            font-size: 0.9rem;
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 80px;
            max-width: 900px;
        }
        .faq-section h2 {
            font-family: var(--font-display);
            color: var(--text);
            font-size: 2rem;
            text-align: center;
            margin-bottom: 40px;
            text-transform: uppercase;
        }
        .faq-section h2 span { color: var(--accent2); }

        details {
            background-color: var(--surface);
            margin-bottom: 15px;
            border: 1px solid rgba(20, 184, 166, 0.2);
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.3s;
        }
        details:hover {
            border-color: var(--accent2);
            box-shadow: 0 0 15px rgba(20, 184, 166, 0.1);
        }
        summary {
            font-family: var(--font-display);
            padding: 20px;
            cursor: pointer;
            color: var(--text);
            font-size: 1.1rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(90deg, rgba(20,184,166,0.05) 0%, transparent 100%);
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 1.8rem;
            line-height: 1;
            transition: transform 0.3s;
        }
        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }
        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 15px;
        }

        /* --- RELATED PAGES --- */
        .related-pages {
            margin: 80px 0;
            padding: 50px 0;
            background: rgba(10, 34, 38, 0.5);
            border-top: 1px solid rgba(20, 184, 166, 0.2);
            border-bottom: 1px solid rgba(20, 184, 166, 0.2);
        }
        .related-title {
            text-align: center;
            font-family: var(--font-display);
            color: var(--accent);
            margin-bottom: 30px;
            font-size: 1.5rem;
            text-transform: uppercase;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .related-link {
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface);
            padding: 25px 20px;
            text-align: center;
            font-family: var(--font-display);
            color: var(--text);
            text-decoration: none;
            text-transform: uppercase;
            border: 1px solid var(--accent2);
            clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
            transition: all 0.3s;
            font-size: 1.1rem;
            position: relative;
            overflow: hidden;
        }
        .related-link::before {
            content: '';
            position: absolute;
            top: 0; left: -100%; width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(20,184,166,0.2), transparent);
            transition: left 0.5s;
        }
        .related-link:hover {
            background: var(--accent2);
            color: var(--bg);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(20,184,166,0.2);
        }
        .related-link:hover::before {
            left: 100%;
        }

        /* --- MEGA CTA --- */
        .mega-cta {
            text-align: center;
            padding: 80px 20px;
            background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 100%);
            border: 2px solid rgba(20, 184, 166, 0.3);
            margin: 60px auto;
            max-width: 1000px;
            position: relative;
            clip-path: polygon(30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%, 0 30px);
        }
        .mega-cta::after {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: conic-gradient(transparent, rgba(20,184,166,0.1), transparent 30%);
            animation: rotate 10s linear infinite;
            z-index: -1;
            pointer-events: none;
        }
        @keyframes rotate { 100% { transform: rotate(360deg); } }

        .mega-cta h2 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--text);
            margin-bottom: 20px;
            text-transform: uppercase;
            text-shadow: 0 0 15px rgba(255, 209, 102, 0.3);
        }
        .mega-cta p {
            color: var(--muted);
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn {
            font-size: 1.1rem;
            padding: 15px 30px;
        }

        /* --- FOOTER STYLES --- */
        footer {
            background-color: var(--surface);
            border-top: 2px solid var(--accent2);
            padding: 60px 0 20px;
            margin-top: 50px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--text);
            text-transform: uppercase;
            margin-bottom: 15px;
        }

        .footer-brand h2 span {
            color: var(--accent);
        }

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

        .footer-links-group h4 {
            font-family: var(--font-display);
            color: var(--text);
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .footer-links-group a {
            display: block;
            color: var(--muted);
            text-decoration: none;
            margin-bottom: 10px;
            transition: color 0.3s;
            font-size: 0.95rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                padding: 20px;
                border-bottom: 2px solid var(--accent2);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .header-actions .btn {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero { padding: 40px 0; }
            .intro-box { padding: 20px; font-size: 1rem; }
            .section-block h2 { font-size: 1.4rem; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .cta-buttons .btn { width: 100%; }
        }

        @media (max-width: 390px) {
            .hero h1 { font-size: 1.8rem; }
            .meta-chips { flex-direction: column; gap: 10px; }
            .chip { text-align: center; }
            .list-steps li { padding-left: 50px; }
            .list-steps li::before { width: 28px; height: 28px; font-size: 0.9rem; left: 10px; }
            .mega-cta { padding: 40px 15px; }
        }


/* 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; }