/* CSS Variables - Pitch Green Palette */
        :root {
            --bg: #06140a;
            --surface: #0d2414;
            --surface-alt: #12301b;
            --accent: #4ade80;
            --accent-hover: #22c55e;
            --accent2: #fbbf24;
            --text-main: #f0fff4;
            --text-muted: #8fb598;
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --transition: all 0.3s ease;
        }

        /* Reset & Base */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg);
            color: var(--text-main);
            font-family: var(--font-body);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }

        /* Typography */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            color: var(--text-main);
            line-height: 1.3;
        }
        p { margin-bottom: 1.5rem; color: var(--text-muted); font-size: 1.05rem; }
        p:last-child { margin-bottom: 0; }

        .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 24px;
            border-radius: 8px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
            box-shadow: 0 4px 15px rgba(74, 222, 128, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(74, 222, 128, 0.4);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background-color: rgba(74, 222, 128, 0.1);
        }

        /* HEADER (Matches Part A1 constraints visually) */
        header {
            position: fixed;
            top: 0; left: 0; right: 0;
            background-color: rgba(6, 20, 10, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(74, 222, 128, 0.1);
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .brand {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -1px;
        }
        .brand span { color: var(--accent); }
        .nav-menu { display: flex; gap: 1.5rem; }
        .nav-link {
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            position: relative;
        }
        .nav-link:hover { color: var(--accent); }
        .nav-link::after {
            content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
            background-color: var(--accent); transition: width 0.3s ease;
        }
        .nav-link:hover::after { width: 100%; }
        .header-ctas { display: flex; gap: 1rem; }
        .menu-toggle {
            display: none;
            background: none; border: none;
            color: var(--text-main);
            font-size: 1.8rem; cursor: pointer;
        }

        /* HERO BANNER - Pitch Wave Motif */
        .hero {
            margin-top: 80px; /* offset header */
            padding: 80px 20px 100px;
            position: relative;
            background:
                radial-gradient(circle at top center, rgba(74, 222, 128, 0.1) 0%, transparent 60%),
                linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            border-bottom: 1px solid rgba(74, 222, 128, 0.2);
            text-align: center;
            overflow: hidden;
        }
        /* Decorative Pitch Lines */
        .hero::before {
            content: ''; position: absolute; bottom: -50%; left: 50%; transform: translateX(-50%);
            width: 150vw; height: 100%;
            border: 2px solid rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
            width: 200px; height: 100px;
            border: 2px solid rgba(255, 255, 255, 0.05);
            border-bottom: none;
            border-radius: 100px 100px 0 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }
        .breadcrumb {
            font-family: var(--font-display);
            font-size: 0.85rem;
            color: var(--accent2);
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            background: rgba(251, 191, 36, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
            line-height: 1.1;
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .chip {
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--bg);
            background-color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .chip.highlight { background-color: var(--accent); }

        .intro-blockquote {
            background: rgba(13, 36, 20, 0.7);
            border-left: 4px solid var(--accent);
            padding: 30px;
            border-radius: 0 12px 12px 0;
            text-align: left;
            font-size: 1.15rem;
            color: var(--text-main);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            position: relative;
        }
        .intro-blockquote::before {
            content: '"';
            position: absolute;
            top: 10px; right: 20px;
            font-family: var(--font-display);
            font-size: 4rem;
            color: rgba(74, 222, 128, 0.1);
            line-height: 1;
        }

        /* MAIN CONTENT AREA */
        .content-area {
            padding: 60px 0;
            background-color: var(--bg);
        }
        .content-wrapper {
            max-width: 840px;
            margin: 0 auto;
        }

        /* Section Styling */
        section { margin-bottom: 4rem; }
        section h2 {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 10px;
            position: relative;
            color: var(--text-main);
        }
        section h2::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 60px; height: 3px; background-color: var(--accent);
        }
        section p a {
            color: var(--accent2);
            font-weight: 600;
            border-bottom: 1px dashed var(--accent2);
        }
        section p a:hover { color: var(--text-main); border-bottom-color: var(--text-main); }

        /* Tactical Cards for Lists (Section 3) */
        .tactical-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .tactical-card {
            background: var(--surface);
            border: 1px solid rgba(74, 222, 128, 0.15);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: var(--transition);
        }
        .tactical-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(0,0,0,0.4);
            background: var(--surface-alt);
        }
        .tactical-number {
            background: rgba(74, 222, 128, 0.1);
            color: var(--accent);
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.2rem;
            width: 36px; height: 36px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .tactical-text {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.6;
        }
        /* Emphasize the market name before the colon */
        .tactical-text::first-line {
            color: var(--text-main);
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* Special Styling for specific sections to avoid monotony */
        .strategy-box {
            background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), transparent);
            border: 1px solid rgba(251, 191, 36, 0.3);
            border-radius: 12px;
            padding: 30px;
        }
        .strategy-box h2::after { background-color: var(--accent2); }

        /* FAQ Section */
        .faq-section {
            background: var(--surface);
            padding: 60px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .faq-wrapper { max-width: 840px; margin: 0 auto; }
        .faq-title { text-align: center; margin-bottom: 3rem; font-size: 2.2rem; }
        .faq-title::after { left: 50%; transform: translateX(-50%); width: 80px; }
        details {
            background: var(--bg);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 1.5rem;
            transition: transform 0.3s;
        }
        details[open] summary::after { transform: rotate(45deg); }
        details p {
            padding: 0 20px 20px;
            margin: 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 15px;
        }

        /* Related Pages Blocks */
        .related-pages {
            padding: 60px 0;
            text-align: center;
        }
        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-top: 2rem;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        .related-link {
            background: var(--surface);
            border: 1px solid rgba(74, 222, 128, 0.2);
            padding: 12px 24px;
            border-radius: 30px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
            text-transform: capitalize;
        }
        .related-link:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        /* Giant CTA */
        .mega-cta {
            background: linear-gradient(45deg, var(--surface), #1a4225);
            padding: 80px 20px;
            text-align: center;
            border-top: 4px solid var(--accent);
        }
        .mega-cta h2 { font-size: 2.5rem; margin-bottom: 1rem; }
        .mega-cta p { max-width: 600px; margin: 0 auto 2rem; color: var(--text-main); }
        .cta-buttons { display: flex; justify-content: center; gap: 1rem; }

        /* FOOTER (Matches Part A2) */
        footer {
            background-color: #040d06;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-family: var(--font-display);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 1rem;
            letter-spacing: -1px;
        }
        .footer-brand span { color: var(--accent); }
        .footer-tagline {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-family: var(--font-body);
        }
        .footer-title {
            color: var(--text-main);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
        }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-ctas { display: none; }
            .menu-toggle { display: block; }
            .nav-menu {
                display: none; /* Handled by JS inline */
                position: absolute;
                top: 80px; left: 0; right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid rgba(74, 222, 128, 0.2);
            }
            .nav-menu.active { display: flex; }
            .hero { padding: 60px 20px 80px; }
            .intro-blockquote { padding: 20px; font-size: 1rem; border-radius: 8px; }
            .intro-blockquote::before { display: none; }
            .cta-buttons { flex-direction: column; }
            .btn { width: 100%; min-height: 44px; } /* Touch target */
        }
        @media (max-width: 390px) {
            .footer-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 1.8rem; }
            .tactical-card { flex-direction: column; gap: 10px; padding: 16px; }
            section h2 { font-size: 1.5rem; }
            .mega-cta h2 { font-size: 2rem; }
            .related-link { width: 100%; min-height: 44px; display: flex; align-items: center; justify-content: 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; }