:root {
            --bg: #060f0a;
            --surface: #0d2015;
            --accent: #fbbf24;
            --accent2: #34d399;
            --text: #f0fdf4;
            --muted: #8fa898;
            --font-display: 'Oswald', sans-serif;
            --font-body: 'Fira Sans', sans-serif;
            --container-w: 1200px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            background-image:
                radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 0% 100%, rgba(52, 211, 153, 0.05) 0%, transparent 40%);
            background-attachment: fixed;
        }

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

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

        h1, h2, h3, h4, .logo {
            font-family: var(--font-display);
            font-weight: 600;
            line-height: 1.2;
        }

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

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

        /* HEADER STYLES */
        header {
            background-color: rgba(6, 15, 10, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(143, 168, 152, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }

        .logo {
            font-size: 28px;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 0 15px rgba(251, 191, 36, 0.3);
        }

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

        .nav-links a {
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 10px 0;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover { color: var(--accent); }
        .nav-links a:hover::after { width: 100%; }

        .menu-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
            min-width: 44px;
            min-height: 44px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background-color: var(--surface);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            border-bottom: 1px solid rgba(143, 168, 152, 0.1);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }

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

        .mobile-menu a {
            padding: 15px 20px;
            border-top: 1px solid rgba(143, 168, 152, 0.05);
            color: var(--text);
            font-weight: 500;
            min-height: 44px;
            display: flex;
            align-items: center;
        }
        .mobile-menu a:hover {
            background-color: rgba(251, 191, 36, 0.1);
            color: var(--accent);
            padding-left: 25px;
        }

        /* PAGE SPECIFIC: HERO BANNER */
        .hero {
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            display: inline-block;
            background: var(--surface);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(251, 191, 36, 0.2);
        }

        h1 {
            font-size: clamp(32px, 5vw, 56px);
            color: var(--text);
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        h1::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--accent);
            margin: 20px auto 0;
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
        }

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

        .chip {
            font-size: 13px;
            color: var(--text);
            background: rgba(52, 211, 153, 0.1);
            border: 1px solid rgba(52, 211, 153, 0.3);
            padding: 6px 14px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .chip::before {
            content: '•';
            color: var(--accent2);
            font-size: 18px;
            line-height: 1;
        }

        /* MAIN CONTENT AREA */
        .content-area {
            padding: 40px 0 80px;
        }

        .intro-block {
            font-size: 18px;
            color: var(--text);
            background: linear-gradient(135deg, var(--surface) 0%, rgba(13, 32, 21, 0.4) 100%);
            padding: 30px;
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            margin-bottom: 50px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            font-weight: 300;
        }

        .section-card {
            background: var(--surface);
            border-radius: 12px;
            padding: 35px;
            margin-bottom: 40px;
            border: 1px solid rgba(143, 168, 152, 0.1);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .section-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
            border-color: rgba(251, 191, 36, 0.2);
        }

        .section-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, transparent 50%, rgba(251, 191, 36, 0.03) 50%);
            pointer-events: none;
        }

        .section-card h2 {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-card p {
            margin-bottom: 16px;
            color: #d1e0d7;
        }

        .section-card p:last-child { margin-bottom: 0; }

        .section-card a {
            text-decoration: underline;
            text-decoration-color: rgba(52, 211, 153, 0.4);
            text-underline-offset: 4px;
            font-weight: 500;
        }
        .section-card a:hover {
            text-decoration-color: var(--accent);
        }

        .custom-list {
            margin-top: 20px;
            list-style: none;
            padding-left: 0;
        }

        .custom-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: #d1e0d7;
        }

        .custom-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 12px;
            height: 12px;
            background-color: var(--accent2);
            clip-path: polygon(100% 50%, 0 0, 0 100%);
        }

        /* FAQ SECTION */
        .faq-wrapper {
            margin-top: 60px;
        }

        .faq-wrapper h2 {
            font-size: 32px;
            text-align: center;
            margin-bottom: 40px;
            color: var(--text);
        }

        details {
            background: var(--surface);
            border: 1px solid rgba(143, 168, 152, 0.1);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
        }

        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 44px;
        }

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

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

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

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            border-top: 1px solid rgba(143, 168, 152, 0.1);
            margin-top: 10px;
            padding-top: 20px;
        }

        /* RELATED PAGES */
        .related-section {
            margin-top: 60px;
            background: linear-gradient(to bottom, transparent, rgba(13, 32, 21, 0.8), transparent);
            padding: 50px 0;
            border-top: 1px dashed rgba(251, 191, 36, 0.2);
            border-bottom: 1px dashed rgba(251, 191, 36, 0.2);
        }

        .related-section h2 {
            font-size: 24px;
            margin-bottom: 30px;
            color: var(--accent);
            text-align: center;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .related-link {
            background: var(--bg);
            border: 1px solid rgba(143, 168, 152, 0.2);
            padding: 12px 24px;
            border-radius: 30px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 44px;
        }

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

        .related-link:hover {
            background: var(--surface);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(251, 191, 36, 0.1);
        }

        /* CTA BLOCK */
        .cta-block {
            text-align: center;
            padding: 80px 20px;
            background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 100%);
            border-radius: 16px;
            margin: 60px 0;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(251, 191, 36, 0.1);
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-block h2 {
            font-size: clamp(28px, 4vw, 40px);
            margin-bottom: 16px;
            color: var(--text);
        }

        .cta-block p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 18px;
        }

        .btn-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 4px;
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            min-height: 48px;
            min-width: 160px;
            cursor: pointer;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
            border: none;
            box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
        }

        .btn-primary:hover {
            background-color: #f59e0b;
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(251, 191, 36, 0.5);
        }

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

        .btn-secondary:hover {
            background-color: rgba(251, 191, 36, 0.1);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* FOOTER STYLES */
        footer {
            background-color: var(--surface);
            border-top: 2px solid var(--accent);
            padding: 60px 0 20px;
            margin-top: 40px;
        }

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

        .footer-brand .logo {
            display: inline-block;
            margin-bottom: 15px;
        }

        .footer-tagline {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.6;
        }

        .footer-links h4 {
            color: var(--text);
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background-color: var(--accent);
        }

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

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

        .footer-links a {
            color: var(--muted);
            font-size: 15px;
            display: inline-block;
            min-height: 24px;
        }

        .footer-links a:hover {
            color: var(--accent2);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(143, 168, 152, 0.1);
            color: var(--muted);
            font-size: 14px;
        }

        /* MEDIA QUERIES */
        @media (min-width: 1024px) {
            .nav-links { display: flex; }
            .menu-toggle { display: none; }
        }

        @media (max-width: 1023px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: span 2; }
        }

        @media (max-width: 767px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-brand { grid-column: span 1; }
            .section-card { padding: 25px; }
            .intro-block { padding: 20px; font-size: 16px; }
            .btn-group { flex-direction: column; width: 100%; }
            .btn { width: 100%; }
        }

        @media (max-width: 390px) {
            .container { padding: 0 15px; }
            h1 { font-size: 28px; }
            .meta-chips { flex-direction: column; align-items: center; }
            .chip { width: 100%; justify-content: center; }
            .section-card h2 { font-size: 22px; }
            .related-link { width: 100%; 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; }