:root {
  --bg: #070d12;
  --surface: #122030;
  --accent: #f97316;
  --accent2: #38bdf8;
  --text: #f0f8ff;
  --muted: #8fa5b8;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Fira Sans', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
}
a { color: var(--accent2); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; font-weight: 500; line-height: 1.2; }

/* HEADER STYLES */
header { background: var(--bg); border-bottom: 1px solid var(--surface); position: sticky; top: 0; z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.brand { font-family: var(--font-display); font-size: 1.75rem; color: var(--accent); font-weight: 700; letter-spacing: 1px; }
.nav-links { display: none; }
.nav-actions { display: none; }
.menu-toggle { background: transparent; border: 1px solid var(--muted); color: var(--text); font-size: 1.5rem; padding: 0.25rem 0.75rem; cursor: pointer; border-radius: 2px; }
.mobile-menu { display: none; background: var(--surface); padding: 1rem 5%; flex-direction: column; gap: 0.5rem; border-bottom: 2px solid var(--accent2); position: absolute; width: 100%; top: 70px; left: 0; }
.mobile-menu.active { display: flex; }
.mobile-menu a { color: var(--text); font-family: var(--font-display); text-transform: uppercase; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-menu .btn { text-align: center; margin-top: 0.5rem; border-bottom: none; }
.btn { display: inline-block; padding: 0.6rem 1.2rem; font-family: var(--font-display); text-transform: uppercase; font-size: 0.9rem; cursor: pointer; border-radius: 2px; text-align: center; letter-spacing: 0.5px; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-primary:hover { background: #e06510; border-color: #e06510; color: #fff; }
.btn-secondary { background: transparent; color: var(--accent2); border: 1px solid var(--accent2); }
.btn-secondary:hover { background: var(--accent2); color: var(--bg); }

@media (min-width: 1024px) {
  .menu-toggle { display: none; }
  .nav-links { display: flex; gap: 1.5rem; }
  .nav-links a { color: var(--text); font-family: var(--font-display); text-transform: uppercase; font-size: 0.95rem; letter-spacing: 0.5px; }
  .nav-links a:hover { color: var(--accent2); }
  .nav-actions { display: flex; gap: 1rem; }
  .mobile-menu { display: none !important; }
}

/* PAGE SPECIFIC STYLES - TERMINAL STATION MOTIF */
.page-hero {
  background: linear-gradient(to bottom, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--surface);
  padding: 3rem 0;
  position: relative;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}
.breadcrumb {
  font-family: var(--font-display); font-size: 0.85rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.5rem;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem); color: var(--text);
  margin-bottom: 1.5rem; text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.meta-chips { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.chip {
  background: rgba(56, 189, 248, 0.08); border: 1px solid var(--accent2);
  color: var(--accent2); font-family: var(--font-display); font-size: 0.8rem;
  padding: 0.3rem 0.8rem; text-transform: uppercase; letter-spacing: 0.5px;
}

.content-area { padding: 3rem 0; max-width: 800px; margin: 0 auto; }
.intro-block {
  background: var(--surface); border-left: 4px solid var(--accent);
  padding: 1.5rem 2rem; margin-bottom: 3rem; font-size: 1.05rem;
  color: var(--text); box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.data-section { margin-bottom: 3.5rem; }
.data-section h2 {
  color: var(--accent2); font-size: 1.5rem; margin-bottom: 1.25rem;
  padding-bottom: 0.5rem; border-bottom: 1px dashed var(--muted);
  display: flex; align-items: center; gap: 0.75rem;
}
.data-section h2::before {
  content: '■'; color: var(--accent); font-size: 0.8rem;
}
.data-section p { margin-bottom: 1.25rem; color: var(--muted); }
.data-section p:last-child { margin-bottom: 0; }

.bonus-list { list-style: none; margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.bonus-list li {
  background: var(--surface); border: 1px solid rgba(143, 165, 184, 0.2);
  padding: 1.25rem 1.25rem 1.25rem 3.5rem; position: relative;
  color: var(--text); font-size: 0.95rem;
}
.bonus-list li::before {
  content: '>>'; position: absolute; left: 1.25rem; top: 1.25rem;
  color: var(--accent); font-family: var(--font-display); font-weight: 700;
  letter-spacing: -1px;
}

/* FAQ ACCORDION */
.faq-wrapper { margin-top: 4rem; }
.faq-wrapper h2 {
  color: var(--text); font-size: 2rem; margin-bottom: 1.5rem;
  text-align: center; border: none;
}
.faq-wrapper h2::before { display: none; }
details {
  background: var(--surface); margin-bottom: 0.75rem;
  border: 1px solid rgba(143, 165, 184, 0.2); transition: all 0.2s;
}
details[open] { border-color: var(--accent2); background: rgba(56, 189, 248, 0.03); }
summary {
  padding: 1.25rem 1.5rem; cursor: pointer; font-family: var(--font-display);
  font-size: 1.1rem; color: var(--text); display: flex; justify-content: space-between;
  align-items: center; list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--accent2); font-size: 1.5rem; font-weight: 400; }
details[open] summary::after { content: '−'; }
details p { padding: 0 1.5rem 1.25rem; margin: 0; color: var(--muted); font-size: 0.95rem; }

/* RELATED LINKS TERMINAL BLOCK */
.sys-nav {
  background: var(--bg); padding: 2.5rem; border: 1px solid var(--surface);
  margin: 4rem 0; position: relative; text-align: center;
}
.sys-nav::before {
  content: 'SYSTEM_NAV_LINKS'; position: absolute; top: -0.6rem; left: 50%;
  transform: translateX(-50%); background: var(--bg); padding: 0 1rem;
  font-family: var(--font-display); font-size: 0.85rem; color: var(--muted);
  letter-spacing: 2px;
}
.sys-grid {
  display: flex; flex-direction: column; gap: 1rem;
}
@media (min-width: 768px) {
  .sys-grid { flex-direction: row; justify-content: center; flex-wrap: wrap; }
}
.sys-grid a {
  display: block; padding: 1rem 2rem; background: var(--surface);
  border: 1px solid var(--accent2); color: var(--accent2);
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 1px; transition: all 0.2s ease; flex: 1; min-width: 200px; max-width: 300px;
}
.sys-grid a:hover {
  background: var(--accent2); color: var(--bg);
  box-shadow: 0 0 15px rgba(56,189,248,0.2);
}

/* CTA BLOCK */
.terminal-cta {
  text-align: center; padding: 4rem 2rem; background: var(--surface);
  border-top: 3px solid var(--accent); margin-top: 3rem;
}
.terminal-cta h2 { font-size: 2rem; margin-bottom: 1rem; color: var(--text); }
.terminal-cta p { color: var(--muted); margin-bottom: 2rem; }
.cta-actions { display: flex; flex-direction: column; gap: 1rem; justify-content: center; align-items: center; }
@media (min-width: 480px) { .cta-actions { flex-direction: row; } }
.cta-actions .btn { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* FOOTER STYLES */
footer { background: #04080b; padding: 4rem 0 2rem; border-top: 1px solid var(--surface); }
.footer-brand { font-family: var(--font-display); font-size: 2rem; color: var(--muted); margin-bottom: 1rem; text-transform: uppercase; font-weight: 700; }
.footer-tagline { color: var(--muted); margin-bottom: 2.5rem; max-width: 600px; font-size: 0.95rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem 2rem; margin-bottom: 3rem; }
@media (min-width: 768px) { .footer-links { grid-template-columns: repeat(4, 1fr); } }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent2); }
.copyright { color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--surface); padding-top: 2rem; text-align: 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; }