:root {
    --bg: #0c0a16;
    --surface: #181430;
    --accent: #e879f9;
    --accent2: #38bdf8;
    --text: #f5f2ff;
    --muted: #a295b8;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Exo 2', sans-serif;
    --glass-bg: rgba(24, 20, 48, 0.7);
    --glass-border: rgba(232, 121, 249, 0.2);
    --glow-shadow: 0 0 20px rgba(232, 121, 249, 0.15);
}

* {
    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;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent2);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.2;
}

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

/* HEADER STYLES */
header {
    background: rgba(12, 10, 22, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: 2px;
}

.logo span {
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent);
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links li a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text);
    font-weight: 700;
}

.nav-links li a:hover {
    color: var(--accent2);
    text-shadow: 0 0 10px var(--accent2);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.8rem;
    cursor: pointer;
}

/* HERO BANNER - Shatter Glow Motif */
.hero {
    position: relative;
    padding: 6rem 0 4rem;
    background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
    overflow: hidden;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.hero::before, .hero::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, transparent, rgba(232, 121, 249, 0.1), transparent);
    transform: rotate(45deg);
    top: -100px;
    left: -100px;
    box-shadow: 0 0 50px rgba(232, 121, 249, 0.2);
}

.hero::after {
    background: linear-gradient(45deg, transparent, rgba(56, 189, 248, 0.1), transparent);
    top: auto;
    bottom: -150px;
    left: auto;
    right: -100px;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.3);
    border-radius: 20px;
    border: 1px solid rgba(162, 149, 184, 0.2);
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--text);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8), 0 0 20px rgba(232, 121, 249, 0.4);
}

.meta-chips {
    display: flex;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.chip {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent2);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 4px;
    font-family: var(--font-heading);
}

/* MAIN CONTENT */
.main-content {
    padding: 4rem 0;
    position: relative;
}

/* Decorative background shards */
.bg-shard {
    position: absolute;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(232, 121, 249, 0.1), transparent);
    top: 0;
    z-index: -1;
}
.bg-shard-1 { left: 10%; }
.bg-shard-2 { right: 10%; background: linear-gradient(to bottom, transparent, rgba(56, 189, 248, 0.1), transparent); }

.intro-box {
    background: var(--glass-bg);
    border-left: 4px solid var(--accent);
    padding: 2rem;
    border-radius: 0 8px 8px 0;
    margin-bottom: 3rem;
    box-shadow: var(--glow-shadow);
    font-size: 1.1rem;
    font-weight: 300;
    backdrop-filter: blur(5px);
}

.content-section {
    margin-bottom: 3rem;
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.content-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle top right, rgba(56, 189, 248, 0.1), transparent);
}

.content-section h2 {
    font-size: 1.5rem;
    color: var(--accent2);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-section h2::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--accent);
    transform: rotate(45deg);
    box-shadow: 0 0 8px var(--accent);
}

.content-section p {
    margin-bottom: 1.2rem;
    color: var(--muted);
}

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

.content-section a {
    font-weight: 600;
    border-bottom: 1px dashed var(--accent2);
}

.custom-list {
    list-style: none;
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.custom-list li {
    background: rgba(12, 10, 22, 0.6);
    padding: 1rem 1rem 1rem 2.5rem;
    border-radius: 6px;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    color: var(--text);
    font-size: 0.95rem;
}

.custom-list li::before {
    content: '►';
    position: absolute;
    left: 1rem;
    top: 1.1rem;
    color: var(--accent);
    font-size: 0.7rem;
    text-shadow: 0 0 5px var(--accent);
}

/* FAQ SECTION */
.faq-section {
    margin-top: 4rem;
}

.faq-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text);
    text-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

details {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

summary {
    padding: 1.2rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text);
}

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

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

details[open] {
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(232, 121, 249, 0.1);
}

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

details p {
    padding: 0 1.5rem 1.2rem;
    color: var(--muted);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 0.5rem;
    padding-top: 1rem;
}

/* RELATED PAGES BLOCK */
.related-nav {
    margin-top: 4rem;
    background: linear-gradient(135deg, rgba(24, 20, 48, 0.8), rgba(12, 10, 22, 0.9));
    padding: 3rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    text-align: center;
}

.related-nav h3 {
    margin-bottom: 2rem;
    color: var(--accent);
    font-size: 1.3rem;
}

.related-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.related-grid a {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: rgba(56, 189, 248, 0.05);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 30px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
}

.related-grid a:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--accent2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(56, 189, 248, 0.2);
    text-shadow: none;
}

/* CTA BLOCK */
.cta-mega {
    margin-top: 4rem;
    padding: 4rem 2rem;
    text-align: center;
    background: radial-gradient(circle at center, rgba(232, 121, 249, 0.15) 0%, transparent 70%), var(--surface);
    border-radius: 16px;
    border: 1px solid var(--accent);
    box-shadow: inset 0 0 30px rgba(232, 121, 249, 0.1), 0 10px 30px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.cta-mega::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.02) 10px, rgba(255,255,255,0.02) 20px);
    z-index: 0;
    pointer-events: none;
}

.cta-mega-content {
    position: relative;
    z-index: 1;
}

.cta-mega h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.cta-mega p {
    color: var(--muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    min-width: 160px;
    min-height: 44px;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent), #b026c4);
    color: #fff;
    border: none;
    box-shadow: 0 0 20px rgba(232, 121, 249, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(90deg, #b026c4, var(--accent));
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(232, 121, 249, 0.6);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: var(--accent2);
    border: 2px solid var(--accent2);
}

.btn-secondary:hover {
    background: rgba(56, 189, 248, 0.1);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

/* FOOTER STYLES */
footer {
    background: #080610;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(232, 121, 249, 0.2);
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    color: var(--muted);
    margin-top: 1rem;
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.link-group h4 {
    color: var(--text);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 0.8rem;
}

.link-group ul li a {
    color: var(--muted);
    font-size: 0.9rem;
}

.link-group ul li a:hover {
    color: var(--accent2);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: rgba(162, 149, 184, 0.5);
    font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(12, 10, 22, 0.98);
        flex-direction: column;
        padding: 2rem 0;
        text-align: center;
        border-bottom: 1px solid var(--accent);
    }
    .nav-links.active { display: flex; }
    .mobile-toggle { display: block; }

    .hero h1 { font-size: 1.8rem; }
    .hero { padding: 4rem 0 3rem; }

    .intro-box { padding: 1.5rem; border-radius: 8px; border-left: none; border-top: 4px solid var(--accent); }
    .content-section { padding: 1.5rem; }

    .footer-links { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .cta-buttons { flex-direction: column; }
    .btn { width: 100%; }
}

@media (max-width: 390px) {
    .hero h1 { font-size: 1.5rem; }
    .meta-chips { flex-direction: column; align-items: center; gap: 0.5rem; }
    .footer-links { grid-template-columns: 1fr; }
    .content-section h2 { 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; }