:root {
    --bg: #0a0a1c;
    --surface: #161638;
    --surface-hover: #1f1f4a;
    --accent: #c084fc;
    --accent2: #818cf8;
    --text: #f2f0ff;
    --muted: #a5a1c9;
    --font-heading: 'Teko', sans-serif;
    --font-body: 'Nunito', sans-serif;
    --radius: 12px;
    --radius-lg: 24px;
    --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;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

/* Typography */
h1, h2, h3, h4, .logo, .hero-title {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

h2::before {
    content: '';
    display: block;
    width: 32px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    border-radius: 2px;
}

p {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: var(--bg);
    box-shadow: 0 4px 15px rgba(192, 132, 252, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent2), var(--accent));
    color: var(--bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 132, 252, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(129, 140, 248, 0.1);
    color: var(--accent);
    border-color: var(--accent);
}

/* Header (Provided structure styled) */
header {
    background: rgba(10, 10, 28, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(165, 161, 201, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 2.5rem;
    color: var(--accent);
    background: linear-gradient(to right, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    padding: 8px 0;
}

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

.header-actions {
    display: none;
    gap: 16px;
}

.mobile-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text);
    font-size: 2rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
}

.mobile-menu {
    display: none;
    background: var(--surface);
    padding: 20px;
    border-bottom: 1px solid rgba(165, 161, 201, 0.1);
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu .header-actions {
    display: flex;
    flex-direction: column;
}

/* Hero Section - Great Rhino Specific */
.hero-rhino {
    position: relative;
    padding: 60px 0 80px;
    background: radial-gradient(circle at top right, rgba(192, 132, 252, 0.15), transparent 50%),
                radial-gradient(circle at bottom left, rgba(129, 140, 248, 0.1), transparent 50%);
    border-bottom: 1px solid rgba(192, 132, 252, 0.2);
    overflow: hidden;
}

/* Batik Mega Mendung inspired decorative pseudo-elements */
.hero-rhino::before, .hero-rhino::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 150px;
    background: radial-gradient(ellipse at center, var(--surface) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.5;
    z-index: 0;
}

.hero-rhino::before {
    top: -50px;
    left: -100px;
    box-shadow: 100px 50px 0 20px var(--surface), 200px 20px 0 10px rgba(129, 140, 248, 0.2);
}

.hero-rhino::after {
    bottom: -50px;
    right: -100px;
    box-shadow: -100px -50px 0 20px var(--surface), -200px -20px 0 10px rgba(192, 132, 252, 0.2);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.breadcrumb {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 24px;
    display: inline-block;
    background: rgba(22, 22, 56, 0.6);
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid rgba(165, 161, 201, 0.2);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--text);
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-title span {
    color: var(--accent);
    display: block;
}

.meta-chips {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.chip {
    background: rgba(129, 140, 248, 0.15);
    color: var(--accent2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(129, 140, 248, 0.3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.chip::before {
    content: '✦';
    font-size: 0.8rem;
}

.intro-block {
    background: linear-gradient(180deg, var(--surface), rgba(22, 22, 56, 0.4));
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(192, 132, 252, 0.2);
    font-size: 1.15rem;
    color: var(--text);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    position: relative;
}

.intro-block::before {
    content: '❝';
    position: absolute;
    top: -15px;
    left: 20px;
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.3;
    line-height: 1;
}

/* Main Content Layout */
.main-article {
    padding: 60px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.section-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(165, 161, 201, 0.1);
    position: relative;
    overflow: hidden;
}

/* Decorative corner for section cards to mimic batik geometry */
.section-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, transparent 50%, rgba(192, 132, 252, 0.1) 50%);
}

.section-card p a {
    font-weight: 700;
    border-bottom: 1px dashed var(--accent2);
}

.section-card p a:hover {
    border-bottom-style: solid;
}

/* Custom List Presentation */
.feature-showcase {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-item {
    background: rgba(10, 10, 28, 0.6);
    border: 1px solid rgba(129, 140, 248, 0.2);
    padding: 24px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--accent);
    transform: translateX(5px);
    background: rgba(22, 22, 56, 0.8);
}

.feature-item strong {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.feature-item span {
    color: var(--muted);
}

/* Strategy Section Highlight */
.strategy-box {
    border-left: 4px solid var(--accent);
    background: linear-gradient(90deg, rgba(192, 132, 252, 0.1), transparent);
    padding: 30px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-top: 20px;
}

/* FAQ Section */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 30px;
}

details.faq-item {
    background: var(--surface);
    border: 1px solid rgba(165, 161, 201, 0.2);
    border-radius: var(--radius);
    overflow: hidden;
}

summary.faq-title {
    padding: 20px 24px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 28, 0.3);
    transition: var(--transition);
    min-height: 44px;
}

summary.faq-title::-webkit-details-marker {
    display: none;
}

summary.faq-title::after {
    content: '+';
    font-size: 1.8rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

details.faq-item[open] summary.faq-title {
    background: rgba(192, 132, 252, 0.1);
    color: var(--accent);
}

details.faq-item[open] summary.faq-title::after {
    transform: rotate(45deg);
}

.faq-content {
    padding: 0 24px 24px;
    color: var(--muted);
    border-top: 1px solid rgba(165, 161, 201, 0.1);
    margin-top: 16px;
    padding-top: 16px;
}

/* Related Links Block */
.related-block {
    background: var(--bg);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px dashed rgba(165, 161, 201, 0.3);
    text-align: center;
    margin: 60px 0;
}

.related-block h3 {
    font-size: 2rem;
    color: var(--text);
    margin-bottom: 24px;
}

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

.related-nav a {
    background: var(--surface);
    color: var(--text);
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    border: 1px solid rgba(129, 140, 248, 0.3);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.related-nav a:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Final CTA */
.cta-megah {
    background: linear-gradient(135deg, var(--surface) 0%, #2a1b4e 100%);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(192, 132, 252, 0.4);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    margin-bottom: 60px;
}

.cta-megah::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, rgba(192, 132, 252, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.cta-megah h2 {
    justify-content: center;
    font-size: 3rem;
    margin-bottom: 16px;
}

.cta-megah h2::before {
    display: none;
}

.cta-megah p {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* Footer (Provided structure styled) */
footer {
    background: var(--surface);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(165, 161, 201, 0.1);
}

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

.footer-brand {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 16px;
    line-height: 1;
}

.footer-info p {
    color: var(--muted);
}

.footer-links-group h4 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--muted);
    min-height: 32px;
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(165, 161, 201, 0.1);
    color: var(--muted);
    font-size: 0.9rem;
}

/* Media Queries */
@media (min-width: 768px) {
    .header-inner {
        height: 90px;
    }
    .mobile-toggle {
        display: none;
    }
    .nav-links, .header-actions {
        display: flex;
    }

    .feature-showcase {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    h2 {
        font-size: 3rem;
    }
    .content-grid {
        grid-template-columns: 1fr;
        max-width: 900px;
        margin: 0 auto;
    }
    .section-card {
        padding: 60px;
    }
}


/* 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; }