:root {
        --bg: #04140e;
        --surface: #0a2420;
        --surface-alt: #0d2f2a;
        --accent: #34d399;
        --accent-hover: #10b981;
        --accent2: #fbbf24;
        --text: #effdf5;
        --muted: #8fb3a3;
        --border: rgba(52, 211, 153, 0.15);
        --font-display: 'Montserrat', sans-serif;
        --font-body: 'Lora', serif;
        --radius: 12px;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: var(--font-body);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

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

    img { max-width: 100%; height: auto; display: block; }

    .container {
        width: 100%;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* --- HEADER (Matching Homepage Vibe) --- */
    header {
        background-color: rgba(4, 20, 14, 0.95);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .header-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 72px;
    }
    .logo { display: flex; align-items: center; }
    .nav-links {
        display: none;
        gap: 24px;
    }
    .nav-links a {
        font-family: var(--font-display);
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .nav-links a:hover { color: var(--accent); }
    .header-ctas {
        display: none;
        gap: 12px;
    }
    .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: 14px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        cursor: pointer;
        transition: var(--transition);
        min-height: 44px;
    }
    .btn-primary {
        background-color: var(--accent);
        color: var(--bg);
        border: none;
    }
    .btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); }
    .btn-secondary {
        background-color: transparent;
        color: var(--accent);
        border: 2px solid var(--accent);
    }
    .btn-secondary:hover { background-color: rgba(52, 211, 153, 0.1); }
    .mobile-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text);
        font-size: 28px;
        cursor: pointer;
        min-width: 44px;
        min-height: 44px;
    }

    /* Mobile Menu Active State */
    .header-inner.menu-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--surface);
        padding: 20px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    .header-inner.menu-open .header-ctas {
        display: flex;
        position: absolute;
        top: calc(72px + 280px); /* rough estimate based on links */
        left: 0;
        right: 0;
        background-color: var(--surface);
        padding: 0 20px 20px;
        flex-direction: column;
    }

    /* --- HERO SECTION --- */
    .hero {
        padding: 60px 0 40px;
        background: radial-gradient(circle at 50% 0%, var(--surface-alt) 0%, var(--bg) 100%);
        border-bottom: 1px solid var(--border);
        text-align: center;
    }
    .breadcrumb {
        font-family: var(--font-display);
        font-size: 12px;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 24px;
        display: inline-block;
    }
    .hero h1 {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 20px;
        background: linear-gradient(to right, var(--text), var(--accent));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .meta-chips {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .chip {
        background-color: rgba(52, 211, 153, 0.1);
        color: var(--accent);
        padding: 6px 16px;
        border-radius: 20px;
        font-family: var(--font-display);
        font-size: 12px;
        font-weight: 600;
        border: 1px solid rgba(52, 211, 153, 0.2);
    }

    /* --- MAIN CONTENT --- */
    .main-content {
        padding: 60px 0;
    }
    .content-wrapper {
        max-width: 800px;
        margin: 0 auto;
    }

    /* Intro */
    .intro-block {
        background-color: var(--surface);
        padding: 30px;
        border-radius: var(--radius);
        border-left: 4px solid var(--accent);
        margin-bottom: 50px;
        font-size: 18px;
        color: var(--text);
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }

    /* Body Sections */
    .faq-section {
        margin-bottom: 60px;
        position: relative;
    }
    .faq-section-inner {
        background-color: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 30px 24px;
        transition: var(--transition);
    }
    .faq-section-inner:hover {
        border-color: rgba(52, 211, 153, 0.4);
        box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    }
    .section-num {
        font-family: var(--font-display);
        font-size: 48px;
        font-weight: 800;
        color: rgba(52, 211, 153, 0.1);
        position: absolute;
        top: -20px;
        right: 20px;
        line-height: 1;
        pointer-events: none;
    }
    .faq-section h2 {
        font-size: 24px;
        margin-bottom: 20px;
        color: var(--accent2);
        position: relative;
        z-index: 1;
    }
    .faq-section p {
        margin-bottom: 16px;
        color: var(--muted);
    }
    .faq-section p:last-of-type:not(:has(+ ul)) {
        margin-bottom: 0;
    }
    .faq-section a {
        color: var(--accent);
        font-weight: 600;
        border-bottom: 1px dashed var(--accent);
    }
    .faq-section a:hover {
        color: var(--accent2);
        border-bottom-color: var(--accent2);
    }

    /* Lists */
    .custom-list {
        list-style: none;
        margin-top: 20px;
    }
    .custom-list li {
        position: relative;
        padding-left: 32px;
        margin-bottom: 12px;
        color: var(--text);
    }
    .custom-list li::before {
        content: '✦';
        position: absolute;
        left: 0;
        top: 2px;
        color: var(--accent);
        font-size: 14px;
    }

    /* --- QUICK FAQ ACCORDION --- */
    .quick-faq {
        margin-top: 80px;
    }
    .section-title {
        text-align: center;
        font-size: 28px;
        margin-bottom: 40px;
        font-weight: 700;
    }
    .accordion {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    details {
        background-color: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
    }
    summary {
        padding: 20px 24px;
        font-family: var(--font-display);
        font-weight: 600;
        font-size: 16px;
        color: var(--text);
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: var(--transition);
        min-height: 44px;
    }
    summary::-webkit-details-marker { display: none; }
    summary:hover { background-color: var(--surface-alt); }
    summary::after {
        content: '+';
        color: var(--accent);
        font-size: 24px;
        font-weight: 400;
        transition: transform 0.3s ease;
        line-height: 1;
    }
    details[open] summary {
        border-bottom: 1px solid var(--border);
        color: var(--accent2);
    }
    details[open] summary::after {
        transform: rotate(45deg);
        color: var(--accent2);
    }
    details p {
        padding: 20px 24px;
        color: var(--muted);
        margin: 0;
        background-color: rgba(4, 20, 14, 0.3);
    }

    /* --- RELATED PAGES --- */
    .related-section {
        margin-top: 80px;
        padding-top: 60px;
        border-top: 1px solid var(--border);
    }
    .related-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 30px;
    }
    .related-card {
        display: flex;
        align-items: center;
        padding: 20px;
        background-color: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        font-family: var(--font-display);
        font-weight: 600;
        color: var(--text);
        transition: var(--transition);
    }
    .related-card::before {
        content: '›';
        margin-right: 12px;
        color: var(--accent);
        font-size: 20px;
        transition: transform 0.3s ease;
    }
    .related-card:hover {
        background-color: var(--surface-alt);
        border-color: var(--accent);
        transform: translateX(5px);
    }
    .related-card:hover::before {
        transform: translateX(3px);
    }

    /* --- BOTTOM CTA --- */
    .bottom-cta {
        margin-top: 80px;
        background: linear-gradient(135deg, var(--surface) 0%, var(--surface-alt) 100%);
        border: 1px solid rgba(251, 191, 36, 0.2);
        border-radius: 20px;
        padding: 50px 30px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .bottom-cta::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--accent2));
    }
    .bottom-cta h3 {
        font-size: 28px;
        margin-bottom: 16px;
        color: var(--text);
    }
    .bottom-cta p {
        color: var(--muted);
        margin-bottom: 30px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* --- FOOTER --- */
    footer {
        background-color: #020a07;
        border-top: 1px solid var(--border);
        padding: 60px 0 30px;
        margin-top: 60px;
    }
    .footer-top {
        text-align: center;
        margin-bottom: 40px;
    }
    .footer-brand {
        font-family: var(--font-display);
        font-size: 32px;
        font-weight: 800;
        color: var(--accent);
        margin-bottom: 16px;
        letter-spacing: -1px;
    }
    .footer-tagline {
        color: var(--muted);
        max-width: 600px;
        margin: 0 auto;
    }
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px 24px;
        margin-bottom: 40px;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
    .footer-links a {
        color: var(--muted);
        font-size: 14px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    .footer-links a:hover {
        color: var(--accent);
    }
    .footer-bottom {
        text-align: center;
        color: rgba(143, 179, 163, 0.5);
        font-size: 14px;
        padding-top: 30px;
        border-top: 1px solid rgba(255,255,255,0.05);
    }

    /* --- RESPONSIVE --- */
    @media (min-width: 768px) {
        .hero h1 { font-size: 42px; }
        .nav-links { display: flex; }
        .header-ctas { display: flex; }
        .mobile-toggle { display: none; }
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .faq-section-inner { padding: 40px; }
        .section-num { font-size: 72px; top: -30px; right: 30px; }
        .intro-block { padding: 40px; font-size: 20px; }
    }

    @media (min-width: 1024px) {
        .hero { padding: 80px 0 60px; }
        .hero h1 { font-size: 56px; }
        .related-grid { grid-template-columns: repeat(3, 1fr); }
    }


/* 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; }