:root {
            --bg: #0a0a1c;
            --surface: #161638;
            --accent: #c084fc;
            --accent2: #818cf8;
            --text: #f2f0ff;
            --muted: #a5a1c9;
            --font-display: 'Teko', sans-serif;
            --font-body: 'Nunito', sans-serif;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --transition: all 0.3s ease;
        }

        /* Reset & Base */
        * { 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;
            overflow-x: hidden;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent2); }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }

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

        /* Typography */
        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            font-weight: 500;
            line-height: 1.1;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--text); margin-bottom: 1rem; }
        h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); color: var(--accent); margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; color: var(--text); }
        p { margin-bottom: 1rem; color: var(--muted); font-size: 1.05rem; }
        p:last-child { margin-bottom: 0; }
        strong { color: var(--text); font-weight: 700; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            color: #fff !important;
            box-shadow: 0 4px 15px rgba(192, 132, 252, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 6px 20px rgba(192, 132, 252, 0.5);
            transform: translateY(-2px);
            color: #fff !important;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text) !important;
            border: 2px solid var(--accent2);
        }
        .btn-secondary:hover {
            background: rgba(129, 140, 248, 0.1);
            border-color: var(--accent);
            color: var(--accent) !important;
        }

        /* HEADER (Matches Homepage) */
        header {
            background-color: rgba(10, 10, 28, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(192, 132, 252, 0.1);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--accent);
            text-transform: lowercase;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-links {
            display: none;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
        }
        .nav-links a:hover { color: var(--accent); }
        .header-actions {
            display: none;
            gap: 12px;
        }
        .mobile-toggle {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-menu {
            display: none;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: 1px solid rgba(192, 132, 252, 0.2);
        }
        .mobile-menu.active {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-menu .nav-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-menu .header-actions {
            display: flex;
            flex-direction: column;
            margin-top: 15px;
        }

        /* HERO BANNER - Custom for RTP */
        .hero {
            margin-top: 80px;
            padding: 80px 0 60px;
            position: relative;
            background: radial-gradient(circle at 50% 0%, rgba(192, 132, 252, 0.15) 0%, transparent 70%);
            text-align: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                radial-gradient(circle at 20% 50%, rgba(129, 140, 248, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 80% 80%, rgba(192, 132, 252, 0.05) 0%, transparent 20%);
            z-index: -1;
        }
        .breadcrumb {
            font-size: 0.9rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: inline-block;
            background: var(--surface);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(192, 132, 252, 0.2);
        }
        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .chip {
            background: rgba(192, 132, 252, 0.1);
            color: var(--accent2);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(192, 132, 252, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* MAIN CONTENT AREA */
        .content-wrapper {
            padding: 40px 0 80px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        /* Intro Block */
        .intro-block {
            background: linear-gradient(180deg, var(--surface) 0%, rgba(22, 22, 56, 0.4) 100%);
            padding: 30px;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--accent);
            font-size: 1.15rem;
            color: var(--text);
            line-height: 1.8;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        /* Content Cards Grid */
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .content-card {
            background: var(--surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(192, 132, 252, 0.1);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        .content-card:hover {
            border-color: rgba(192, 132, 252, 0.3);
            transform: translateY(-3px);
        }
        .content-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent2));
            opacity: 0.5;
        }
        .content-card h2 {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* Stylized List */
        .custom-list {
            margin-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .custom-list li {
            position: relative;
            padding-left: 32px;
            color: var(--muted);
        }
        .custom-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-size: 1.2rem;
            line-height: 1;
        }

        /* FAQ Section */
        .faq-section {
            background: var(--surface);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(192, 132, 252, 0.1);
        }
        .faq-section h2 { text-align: center; margin-bottom: 30px; }
        details {
            background: rgba(10, 10, 28, 0.5);
            border: 1px solid rgba(192, 132, 252, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        details:hover { border-color: var(--accent2); }
        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 1.3rem;
            color: var(--text);
            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);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }
        details[open] summary::after { transform: rotate(45deg); }
        details p {
            padding: 0 20px 20px;
            margin: 0;
            border-top: 1px solid rgba(192, 132, 252, 0.1);
            padding-top: 15px;
        }

        /* Related Links (Creative Block) */
        .related-block {
            padding: 40px;
            border-radius: var(--radius-lg);
            background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 100%);
            border: 1px dashed rgba(192, 132, 252, 0.3);
            text-align: center;
        }
        .related-block h3 {
            color: var(--accent2);
            margin-bottom: 24px;
            font-size: 2rem;
        }
        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        .related-grid a {
            background: rgba(10, 10, 28, 0.8);
            border: 1px solid rgba(192, 132, 252, 0.2);
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .related-grid a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* CTA Bottom */
        .cta-bottom {
            background: linear-gradient(45deg, rgba(22, 22, 56, 0.9), rgba(10, 10, 28, 0.9)),
                        radial-gradient(circle at top right, rgba(192, 132, 252, 0.2), transparent 50%);
            padding: 60px 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid rgba(192, 132, 252, 0.2);
            position: relative;
            overflow: hidden;
        }
        .cta-bottom h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 15px; }
        .cta-bottom p { margin-bottom: 30px; font-size: 1.1rem; max-width: 600px; margin-inline: auto; }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FOOTER (Matches Homepage) */
        footer {
            background-color: var(--surface);
            padding: 60px 0 20px;
            border-top: 1px solid rgba(192, 132, 252, 0.1);
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 15px;
            line-height: 1;
        }
        .footer-links-group h4 {
            color: var(--text);
            font-size: 1.2rem;
            margin-bottom: 20px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a { color: var(--muted); }
        .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(--muted);
            font-size: 0.9rem;
        }

        /* Inline links in content */
        .content-card p a {
            color: var(--accent);
            border-bottom: 1px dashed var(--accent);
            font-weight: 600;
        }
        .content-card p a:hover {
            color: var(--accent2);
            border-bottom-style: solid;
        }

        /* Media Queries */
        @media (min-width: 768px) {
            .header-inner { height: 90px; }
            .mobile-toggle { display: none; }
            .nav-links, .header-actions { display: flex; }
            .content-grid { grid-template-columns: 1fr 1fr; }
            .content-card:nth-child(3), .content-card:nth-child(4) { grid-column: 1 / -1; }
            .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
        }
        @media (min-width: 1024px) {
            .content-grid { grid-template-columns: 1fr 1fr; }
            .content-card:nth-child(1), .content-card:nth-child(2),
            .content-card:nth-child(3), .content-card:nth-child(4) { grid-column: auto; }
            .content-card:nth-child(4) { grid-column: 1 / -1; } /* Make tips full width */
        }


/* 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; }