:root {
            --bg: #0a120c;
            --surface: #122018;
            --surface-hover: #1a2e23;
            --surface-border: #1e3629;
            --accent: #4ade80;
            --accent-hover: #22c55e;
            --accent2: #a3e635;
            --text: #f0fdf4;
            --muted: #8fb89f;
            --font-display: 'Anton', sans-serif;
            --font-body: 'Barlow', sans-serif;
            --shadow-step: 4px 4px 0px var(--accent);
            --shadow-step-hover: 6px 6px 0px var(--accent2);
            --container-w: 1024px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent2); }
        h1, h2, h3, h4 { font-family: var(--font-display); font-weight: normal; letter-spacing: 0.05em; text-transform: uppercase; line-height: 1.2; }
        p { margin-bottom: 1rem; color: var(--muted); font-size: 1.05rem; }
        p:last-child { margin-bottom: 0; }

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

        /* --- HEADER (Matched to constraints, styled to fit family) --- */
        header { background-color: var(--bg); border-bottom: 2px solid var(--surface-border); position: sticky; top: 0; z-index: 100; }
        .nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .logo { font-family: var(--font-display); font-size: 2rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; }
        .nav-links { display: flex; gap: 20px; }
        .nav-links a { color: var(--text); font-weight: 600; font-size: 0.95rem; text-transform: uppercase; padding: 10px 5px; position: relative; }
        .nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
        .nav-links a:hover::after { width: 100%; }
        .menu-toggle { display: none; background: none; border: none; color: var(--accent); font-size: 1.8rem; cursor: pointer; padding: 5px; }

        /* --- HERO BANNER --- */
        .hero {
            position: relative;
            padding: 60px 0 80px;
            background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            border-bottom: 1px solid var(--surface-border);
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background-image: radial-gradient(circle at 100% 0%, rgba(74, 222, 128, 0.05) 0%, transparent 50%),
                              radial-gradient(circle at 0% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 20px; display: inline-block; background: var(--surface-hover); padding: 6px 16px; border-radius: 20px; border: 1px solid var(--surface-border); }
        .hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--text); margin-bottom: 15px; text-shadow: 2px 2px 0px #000; }
        .meta-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
        .chip { background: var(--bg); border: 1px solid var(--accent); color: var(--accent); padding: 5px 12px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; box-shadow: 2px 2px 0px rgba(74, 222, 128, 0.2); }
        .intro-blockquote {
            background: var(--surface-hover);
            border-left: 4px solid var(--accent);
            padding: 25px 30px;
            position: relative;
            box-shadow: var(--shadow-step);
            margin-top: 20px;
        }
        .intro-blockquote p { color: var(--text); font-size: 1.15rem; font-weight: 500; font-style: italic; line-height: 1.7; }
        .intro-blockquote::after { content: '"'; position: absolute; top: -10px; right: 20px; font-family: var(--font-display); font-size: 5rem; color: rgba(74, 222, 128, 0.1); line-height: 1; }

        /* --- MAIN CONTENT --- */
        .content-area { padding: 60px 0; }
        .content-section { margin-bottom: 60px; }
        .content-section h2 { font-size: 2rem; color: var(--accent2); margin-bottom: 25px; display: flex; align-items: center; gap: 15px; }
        .content-section h2::before { content: ''; display: block; width: 30px; height: 4px; background: var(--accent); }

        .text-body p { margin-bottom: 20px; }
        .text-body a { font-weight: 700; border-bottom: 1px dashed var(--accent); padding-bottom: 1px; }
        .text-body a:hover { border-bottom-style: solid; background: rgba(74, 222, 128, 0.1); }

        /* Feature List Styling */
        .feature-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 30px; list-style: none; counter-reset: feature-counter; }
        .feature-grid li {
            background: var(--surface);
            border: 1px solid var(--surface-border);
            padding: 25px 25px 25px 70px;
            position: relative;
            transition: var(--transition);
        }
        .feature-grid li:hover { transform: translateY(-3px); box-shadow: var(--shadow-step); border-color: var(--accent); }
        .feature-grid li::before {
            counter-increment: feature-counter;
            content: "0" counter(feature-counter);
            position: absolute;
            left: 20px;
            top: 25px;
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: var(--accent);
            line-height: 1;
        }
        .feature-grid li strong { display: block; color: var(--text); font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 5px; letter-spacing: 0.05em; font-weight: normal; }

        /* Strategy Highlight Box */
        .strategy-box { background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%); border: 1px solid var(--accent); padding: 40px; position: relative; box-shadow: var(--shadow-step); }
        .strategy-box::before { content: 'TAKTIK'; position: absolute; top: -15px; right: 20px; background: var(--accent); color: var(--bg); font-family: var(--font-display); padding: 5px 15px; font-size: 1rem; }

        /* --- FAQ SECTION --- */
        .faq-section { background-color: var(--surface); padding: 80px 0; border-top: 1px solid var(--surface-border); border-bottom: 1px solid var(--surface-border); }
        .faq-section h2 { text-align: center; justify-content: center; margin-bottom: 40px; }
        .faq-section h2::before { display: none; }
        .faq-container { max-width: 800px; margin: 0 auto; }
        details { background: var(--bg); border: 1px solid var(--surface-border); margin-bottom: 15px; transition: var(--transition); }
        details:hover { border-color: var(--muted); }
        details[open] { border-color: var(--accent); box-shadow: 3px 3px 0px rgba(74, 222, 128, 0.2); }
        summary { padding: 20px; font-weight: 600; font-size: 1.1rem; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: '+'; font-family: var(--font-display); color: var(--accent); font-size: 1.5rem; transition: transform 0.3s ease; }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p { padding: 0 20px 20px; margin: 0; border-top: 1px dashed var(--surface-border); padding-top: 15px; }

        /* --- RELATED PAGES --- */
        .related-section { padding: 60px 0; text-align: center; }
        .related-section h3 { font-size: 1.8rem; margin-bottom: 30px; color: var(--text); }
        .related-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
        .related-tags a {
            display: inline-block;
            background: var(--surface);
            color: var(--muted);
            padding: 12px 24px;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.9rem;
            border: 1px solid var(--surface-border);
            box-shadow: 2px 2px 0px var(--bg);
        }
        .related-tags a:hover { background: var(--bg); color: var(--accent); border-color: var(--accent); box-shadow: var(--shadow-step); transform: translate(-2px, -2px); }

        /* --- GRAND CTA --- */
        .cta-section { padding: 80px 0; background: linear-gradient(to right, #050906, var(--surface)); border-top: 2px solid var(--accent); }
        .cta-content { text-align: center; max-width: 700px; margin: 0 auto; }
        .cta-content h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--text); margin-bottom: 20px; }
        .cta-content p { font-size: 1.2rem; margin-bottom: 40px; color: var(--text); }
        .cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 15px 35px; font-family: var(--font-display); font-size: 1.2rem; text-transform: uppercase; letter-spacing: 1px; min-height: 50px; cursor: pointer; transition: var(--transition); }
        .btn-primary { background: var(--accent); color: var(--bg); border: 2px solid var(--accent); box-shadow: var(--shadow-step); }
        .btn-primary:hover { background: var(--accent2); border-color: var(--accent2); box-shadow: var(--shadow-step-hover); transform: translate(-2px, -2px); color: var(--bg); }
        .btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); box-shadow: 4px 4px 0px var(--surface-border); }
        .btn-outline:hover { background: rgba(74, 222, 128, 0.1); box-shadow: var(--shadow-step); transform: translate(-2px, -2px); }

        /* --- FOOTER (Matched to constraints) --- */
        footer { background-color: var(--surface); padding: 60px 0 20px; border-top: 1px solid var(--surface-border); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand { font-family: var(--font-display); font-size: 2.5rem; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; display: block; margin-bottom: 15px; }
        .footer-tagline { color: var(--muted); font-size: 0.95rem; max-width: 300px; }
        .footer-links h4 { color: var(--text); font-size: 1.2rem; margin-bottom: 20px; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: var(--muted); font-size: 0.95rem; display: inline-block; padding: 5px 0; min-height: 30px; }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--surface-border); color: var(--muted); font-size: 0.85rem; }

        /* --- RESPONSIVE --- */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--surface); flex-direction: column; gap: 0; border-bottom: 2px solid var(--accent); padding: 10px 0; box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
            .nav-links.active { display: flex; }
            .nav-links a { padding: 15px 20px; border-bottom: 1px solid var(--surface-border); }
            .nav-links a::after { display: none; }
            .menu-toggle { display: block; }

            .hero { padding: 40px 0; }
            .intro-blockquote { padding: 20px; }
            .intro-blockquote::after { display: none; }

            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .strategy-box { padding: 25px; }
        }
        @media (max-width: 480px) {
            .meta-chips { flex-direction: column; align-items: flex-start; }
            .feature-grid li { padding: 20px 20px 20px 50px; }
            .feature-grid li::before { font-size: 1.4rem; left: 15px; top: 22px; }
            .cta-buttons { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
            .related-tags { flex-direction: column; }
            .related-tags a { width: 100%; text-align: center; }
        }


/* 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; }