:root {
        --bg: #050e16;
        --surface: #0c1e2e;
        --surface-hover: #132a40;
        --accent: #ffc857;
        --accent-hover: #e6b040;
        --accent2: #22d3ee;
        --text: #f0faff;
        --muted: #8fadc2;
        --font-display: 'Montserrat', sans-serif;
        --font-body: 'Lora', serif;
        --container: 1140px;
        --radius: 16px;
        --radius-sm: 8px;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
        font-family: var(--font-body);
        background-color: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-display);
        line-height: 1.3;
        color: var(--text);
    }

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

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

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

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        border-radius: 30px;
        font-family: var(--font-display);
        font-weight: 700;
        font-size: 0.95rem;
        text-align: center;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        min-height: 44px;
    }

    .btn-primary {
        background-color: var(--accent);
        color: var(--bg);
        box-shadow: 0 4px 15px rgba(255, 200, 87, 0.3);
    }

    .btn-primary:hover {
        background-color: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 200, 87, 0.4);
        color: var(--bg);
    }

    .btn-secondary {
        background-color: transparent;
        color: var(--accent2);
        border-color: var(--accent2);
    }

    .btn-secondary:hover {
        background-color: rgba(34, 211, 238, 0.1);
        color: var(--accent2);
        transform: translateY(-2px);
    }

    /* HEADER */
    header {
        background-color: rgba(5, 14, 22, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 1000;
        border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    }

    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 80px;
    }

    .logo {
        font-family: var(--font-display);
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text);
        display: flex;
        align-items: center;
        gap: 10px;
    }

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

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

    .nav-links a {
        font-family: var(--font-display);
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--text);
    }

    .nav-links a:hover {
        color: var(--accent2);
    }

    .nav-actions {
        display: none;
        gap: 12px;
    }

    .mobile-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text);
        font-size: 1.8rem;
        cursor: pointer;
        min-width: 44px;
        min-height: 44px;
    }

    /* Mobile Nav Active */
    header.nav-active {
        background-color: var(--bg);
    }

    header.nav-active .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding-top: 15px;
        padding-bottom: 20px;
    }

    header.nav-active .logo,
    header.nav-active .mobile-toggle {
        margin-bottom: 20px;
    }

    header.nav-active .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 15px;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        margin-bottom: 20px;
    }

    header.nav-active .nav-actions {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    /* HERO SECTION */
    .hero {
        position: relative;
        padding: 60px 0 100px;
        background: linear-gradient(145deg, var(--surface) 0%, var(--bg) 100%);
        overflow: hidden;
        text-align: center;
    }

    /* Cheerful Carnival Bubbles / Confetti */
    .hero::before, .hero::after {
        content: '';
        position: absolute;
        border-radius: 50%;
        z-index: 0;
    }

    .hero::before {
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
        top: -100px;
        left: -50px;
    }

    .hero::after {
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(255, 200, 87, 0.15) 0%, transparent 70%);
        bottom: 20px;
        right: -20px;
    }

    .hero-content {
        position: relative;
        z-index: 1;
        max-width: 800px;
        margin: 0 auto;
    }

    .breadcrumb {
        font-family: var(--font-display);
        font-size: 0.85rem;
        color: var(--muted);
        margin-bottom: 24px;
        display: inline-block;
        background: rgba(12, 30, 46, 0.6);
        padding: 6px 16px;
        border-radius: 20px;
        border: 1px solid rgba(143, 173, 194, 0.2);
    }

    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 24px;
        color: var(--text);
        text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }

    .hero h1 span {
        color: var(--accent);
    }

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

    .chip {
        display: inline-flex;
        align-items: center;
        font-family: var(--font-display);
        font-size: 0.8rem;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: var(--radius-sm);
        background: rgba(34, 211, 238, 0.1);
        color: var(--accent2);
        border: 1px solid rgba(34, 211, 238, 0.2);
    }

    .chip.read-time {
        background: rgba(255, 200, 87, 0.1);
        color: var(--accent);
        border-color: rgba(255, 200, 87, 0.2);
    }

    /* MAIN CONTENT */
    .main-content {
        position: relative;
        z-index: 2;
        margin-top: -60px;
        padding-bottom: 80px;
    }

    .intro-block {
        background: var(--surface);
        padding: 32px;
        border-radius: var(--radius);
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        border-top: 4px solid var(--accent);
        margin-bottom: 40px;
        font-size: 1.1rem;
        color: var(--text);
        /* Monas needle subtle motif on top border */
        position: relative;
    }

    .intro-block::before {
        content: '';
        position: absolute;
        top: -4px;
        left: 50%;
        transform: translateX(-50%);
        border-left: 10px solid transparent;
        border-right: 10px solid transparent;
        border-bottom: 10px solid var(--accent);
    }

    .content-grid {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }

    .content-card {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 32px;
        border: 1px solid rgba(143, 173, 194, 0.1);
        transition: var(--transition);
    }

    .content-card:hover {
        border-color: rgba(34, 211, 238, 0.3);
        box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    }

    .content-card h2 {
        font-size: 1.5rem;
        color: var(--accent2);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .content-card p {
        margin-bottom: 16px;
        color: var(--muted);
    }

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

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

    .custom-list li {
        position: relative;
        padding-left: 32px;
        margin-bottom: 12px;
        color: var(--muted);
    }

    .custom-list li::before {
        content: '★';
        position: absolute;
        left: 0;
        top: 2px;
        color: var(--accent);
        font-size: 1.1rem;
    }

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

    .section-title {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 40px;
        color: var(--text);
    }

    .faq-container {
        max-width: 800px;
        margin: 0 auto;
    }

    details {
        background: var(--surface);
        margin-bottom: 16px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(143, 173, 194, 0.15);
        overflow: hidden;
    }

    summary {
        font-family: var(--font-display);
        font-weight: 600;
        padding: 20px;
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: var(--text);
        transition: var(--transition);
    }

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

    summary::after {
        content: '+';
        font-size: 1.5rem;
        color: var(--accent2);
        transition: transform 0.3s ease;
        line-height: 1;
    }

    details[open] summary {
        color: var(--accent);
        border-bottom: 1px solid rgba(143, 173, 194, 0.1);
    }

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

    .faq-answer {
        padding: 20px;
        color: var(--muted);
        background: rgba(5, 14, 22, 0.3);
    }

    /* RELATED PAGES */
    .related-section {
        margin-top: 60px;
        padding: 60px 0;
        background: linear-gradient(to bottom, var(--bg), var(--surface));
        border-top: 1px dashed rgba(34, 211, 238, 0.2);
        border-bottom: 1px dashed rgba(34, 211, 238, 0.2);
    }

    .related-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 900px;
        margin: 0 auto;
    }

    .related-card {
        background: var(--bg);
        padding: 24px;
        border-radius: var(--radius);
        text-align: center;
        border: 2px solid rgba(255, 200, 87, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 100px;
        position: relative;
        overflow: hidden;
    }

    .related-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; width: 100%; height: 100%;
        background: radial-gradient(circle at center, rgba(34, 211, 238, 0.1) 0%, transparent 60%);
        opacity: 0;
        transition: var(--transition);
    }

    .related-card:hover {
        border-color: var(--accent2);
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    }

    .related-card:hover::before {
        opacity: 1;
    }

    .related-card span {
        font-family: var(--font-display);
        font-weight: 700;
        font-size: 1.1rem;
        color: var(--text);
        position: relative;
        z-index: 1;
    }

    /* CTA SECTION */
    .cta-section {
        margin: 80px 0;
        text-align: center;
    }

    .cta-box {
        background: linear-gradient(135deg, var(--surface), #0f2c45);
        padding: 50px 30px;
        border-radius: 24px;
        max-width: 800px;
        margin: 0 auto;
        border: 1px solid rgba(255, 200, 87, 0.2);
        box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        position: relative;
        overflow: hidden;
    }

    .cta-box::after {
        content: '🎉';
        position: absolute;
        font-size: 100px;
        opacity: 0.05;
        right: -20px;
        bottom: -20px;
        transform: rotate(-15deg);
    }

    .cta-box h2 {
        font-size: 2rem;
        margin-bottom: 16px;
        color: var(--accent);
    }

    .cta-box p {
        color: var(--muted);
        margin-bottom: 32px;
        font-size: 1.1rem;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* FOOTER */
    footer {
        background-color: var(--surface);
        padding: 60px 0 20px;
        border-top: 1px solid rgba(255, 200, 87, 0.1);
    }

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

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

    .footer-tagline {
        color: var(--muted);
        font-size: 0.95rem;
    }

    .footer-links {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-links div {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-links a {
        color: var(--muted);
        font-size: 0.95rem;
    }

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

    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid rgba(143, 173, 194, 0.1);
        color: var(--muted);
        font-size: 0.85rem;
    }

    /* RESPONSIVE */
    @media (min-width: 768px) {
        .hero h1 { font-size: 2.8rem; }
        .content-card { padding: 40px; }
        .related-grid { grid-template-columns: repeat(3, 1fr); }
        .footer-links { grid-template-columns: repeat(3, 1fr); }
    }

    @media (min-width: 1024px) {
        .nav-links, .nav-actions { display: flex; }
        .mobile-toggle { display: none; }
        .footer-grid { grid-template-columns: 1fr 2fr; }
        .hero { padding: 80px 0 120px; }
        .intro-block { padding: 40px; font-size: 1.2rem; }
    }


/* 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; }