:root {
            --bg-color: #060f0a;
            --surface-color: #0d2015;
            --accent-tiger: #fbbf24;
            --accent-jungle: #34d399;
            --text-main: #f0fdf4;
            --text-muted: #8fa898;
            --border-color: #1a3a26;

            --font-display: 'Oswald', sans-serif;
            --font-body: 'Fira Sans', sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent-tiger);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--accent-jungle);
        }

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

        /* HEADER STYLES */
        header {
            background-color: var(--surface-color);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        header .container {
            height: 70px;
        }

        .flex { display: flex; }
        .justify-between { justify-content: space-between; }
        .items-center { align-items: center; }

        .logo {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-tiger);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        .nav-links a {
            font-family: var(--font-display);
            color: var(--text-main);
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .menu-toggle {
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 24px;
            cursor: pointer;
            display: block;
            padding: 10px;
        }

        .mobile-menu {
            display: none;
            background-color: var(--surface-color);
            border-top: 1px solid var(--border-color);
            padding: 15px 20px;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            font-family: var(--font-display);
            color: var(--text-main);
            font-size: 18px;
            text-transform: uppercase;
        }

        @media (min-width: 1024px) {
            .nav-links { display: flex; }
            .menu-toggle { display: none; }
            .mobile-menu { display: none !important; }
        }

        /* PAGE HERO / BREADCRUMB */
        .page-hero {
            background: linear-gradient(180deg, #09170f 0%, var(--bg-color) 100%);
            padding: 60px 20px 40px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.05) 0%, rgba(6, 15, 10, 0) 70%);
            transform: translateX(-50%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-weight: 500;
        }

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

        h1 {
            font-family: var(--font-display);
            font-size: 32px;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-main);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .chip {
            background-color: var(--surface-color);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .chip::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-jungle);
        }

        /* MAIN ARTICLE CONTENT */
        .article-layout {
            max-width: 800px;
            margin: 0 auto;
            padding: 50px 20px;
        }

        .intro-block {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 40px;
            padding: 24px;
            background-color: var(--surface-color);
            border-left: 4px solid var(--accent-tiger);
            border-radius: 0 8px 8px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .content-section {
            margin-bottom: 40px;
        }

        h2 {
            font-family: var(--font-display);
            font-size: 24px;
            color: var(--accent-tiger);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        h2::before {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--accent-jungle);
        }

        .content-section p {
            margin-bottom: 16px;
            color: #d1e0d7;
            font-size: 16px;
            line-height: 1.7;
        }

        .content-section a {
            text-decoration: underline;
            text-decoration-color: rgba(251, 191, 36, 0.4);
            text-underline-offset: 4px;
            font-weight: 500;
        }

        .content-section a:hover {
            text-decoration-color: var(--accent-tiger);
        }

        /* CUSTOM LIST */
        .expedition-list {
            list-style: none;
            margin: 24px 0;
            counter-reset: expedition-counter;
        }

        .expedition-list li {
            position: relative;
            padding-left: 54px;
            margin-bottom: 20px;
            color: #d1e0d7;
            min-height: 40px;
            display: flex;
            align-items: center;
        }

        .expedition-list li::before {
            content: counter(expedition-counter);
            counter-increment: expedition-counter;
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            background-color: var(--surface-color);
            border: 2px solid var(--accent-jungle);
            color: var(--accent-jungle);
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* FAQ SECTION */
        .faq-wrapper {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px dashed var(--border-color);
        }

        .faq-wrapper h2 {
            justify-content: center;
        }
        .faq-wrapper h2::before { display: none; }

        details {
            background-color: var(--surface-color);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        details:hover {
            border-color: rgba(251, 191, 36, 0.3);
        }

        summary {
            font-family: var(--font-display);
            font-size: 18px;
            color: var(--text-main);
            padding: 20px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            letter-spacing: 0.5px;
        }

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

        summary::after {
            content: '+';
            color: var(--accent-tiger);
            font-size: 24px;
            font-weight: 400;
            transition: transform 0.3s;
        }

        details[open] summary::after {
            transform: rotate(45deg);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--text-muted);
            margin: 0;
        }

        /* RELATED LINKS */
        .related-nav-block {
            background: linear-gradient(135deg, var(--surface-color) 0%, #09170f 100%);
            border: 1px solid rgba(52, 211, 153, 0.2);
            border-radius: 12px;
            padding: 32px;
            margin-top: 50px;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
        }

        .related-nav-block h3 {
            font-family: var(--font-display);
            font-size: 20px;
            color: var(--accent-jungle);
            margin-bottom: 20px;
            text-transform: uppercase;
            text-align: center;
        }

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

        .related-grid a {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            padding: 12px 20px;
            border-radius: 6px;
            color: var(--text-main);
            font-size: 14px;
            text-transform: capitalize;
            display: inline-block;
        }

        .related-grid a:hover {
            border-color: var(--accent-tiger);
            background-color: rgba(251, 191, 36, 0.05);
            transform: translateY(-2px);
        }

        /* CTA BOTTOM */
        .cta-bottom {
            margin-top: 60px;
            background: linear-gradient(45deg, #0d2015 0%, #163322 100%);
            border: 2px solid var(--accent-tiger);
            border-radius: 16px;
            padding: 40px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-bottom::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(0,0,0,0.1) 10px,
                rgba(0,0,0,0.1) 20px
            );
            pointer-events: none;
        }

        .cta-bottom h3 {
            font-family: var(--font-display);
            font-size: 28px;
            color: var(--text-main);
            margin-bottom: 12px;
            text-transform: uppercase;
            position: relative;
            z-index: 2;
        }

        .cta-bottom p {
            color: var(--text-muted);
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 4px;
            min-width: 160px;
            min-height: 48px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background-color: var(--accent-tiger);
            color: #000;
            border: 2px solid var(--accent-tiger);
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--accent-tiger);
        }

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

        .btn-secondary:hover {
            border-color: var(--text-main);
            background-color: rgba(255,255,255,0.05);
        }

        /* FOOTER STYLES */
        footer {
            background-color: var(--surface-color);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 20px;
            margin-top: 60px;
        }

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

        .footer-brand .logo {
            display: inline-block;
            margin-bottom: 16px;
        }

        .footer-tagline {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links h4 {
            font-family: var(--font-display);
            color: var(--text-main);
            font-size: 18px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: var(--accent-tiger);
            padding-left: 5px;
        }

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

        @media (min-width: 768px) {
            h1 { font-size: 42px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (min-width: 1024px) {
            .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
        }

        @media (max-width: 390px) {
            .cta-buttons { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
            .related-grid 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; }