/* CSS VARIABLES & RESET */
:root {
  --bg: #0a1118;
  --surface: #142230;
  --surface-hover: #1c2f42;
  --accent: #4dd0ff;
  --accent-hover: #2bbcf5;
  --accent2: #ffd166;
  --accent2-hover: #e6b84d;
  --text: #f0faff;
  --muted: #8fa8b8;
  --font-display: 'Russo One', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --radius: 12px;
  --transition: all 0.3s ease;
}

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

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

ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 44px;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--accent2);
  color: #000;
  border: 2px solid var(--accent2);
}
.btn-primary:hover {
  background-color: var(--accent2-hover);
  border-color: var(--accent2-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-secondary:hover {
  background-color: rgba(77, 208, 255, 0.1);
  transform: translateY(-2px);
}

/* HEADER (Matching Homepage Style) */
header {
  background-color: rgba(10, 17, 24, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(77, 208, 255, 0.1);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: lowercase;
}
.logo span { color: var(--accent); }

.nav-links {
  display: none;
  gap: 20px;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.nav-links a:hover { color: var(--accent); }

.header-ctas { display: none; gap: 12px; }

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

.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--surface);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  transform: translateY(-150%);
  transition: transform 0.4s ease-in-out;
  z-index: 99;
  border-bottom: 2px solid var(--accent);
}
.mobile-menu.active { transform: translateY(0); }
.mobile-menu a {
  font-weight: 600;
  font-size: 1.1rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-menu .header-ctas {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

@media (min-width: 1024px) {
  .mobile-toggle { display: none; }
  .nav-links, .header-ctas { display: flex; align-items: center; }
}

/* PAGE SPECIFIC: HERO BANNER */
.page-hero {
  padding: 60px 20px 40px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid rgba(77, 208, 255, 0.05);
}

/* Decorative Sky/Kite Elements */
.page-hero::before, .page-hero::after {
  content: '';
  position: absolute;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 30%, 50% 100%, 0% 30%);
  opacity: 0.03;
  z-index: 0;
}
.page-hero::before {
  width: 150px; height: 200px;
  top: -20px; left: 10%;
  transform: rotate(15deg);
}
.page-hero::after {
  width: 100px; height: 140px;
  bottom: 20px; right: 15%;
  transform: rotate(-20deg);
}

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

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
  display: inline-block;
  background: rgba(20, 34, 48, 0.6);
  padding: 6px 16px;
  border-radius: 20px;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.meta-chips {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.chip {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(77, 208, 255, 0.1);
  border: 1px solid rgba(77, 208, 255, 0.2);
  padding: 6px 12px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
}

/* PAGE SPECIFIC: INTRO BLOCKQUOTE */
.intro-section {
  padding: 40px 20px;
  margin-top: 20px;
}
.intro-box {
  max-width: 900px;
  margin: 0 auto;
  background: var(--surface);
  border-left: 4px solid var(--accent2);
  padding: 30px;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
  position: relative;
}
.intro-box::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 15px;
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(255, 209, 102, 0.15);
  line-height: 1;
}

/* PAGE SPECIFIC: CONTENT CARDS (The H2s) */
.core-info {
  padding: 20px 20px 60px;
  max-width: 1000px;
  margin: 0 auto;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  counter-reset: section-counter;
}

.info-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  border-top: 3px solid transparent;
  transition: var(--transition);
}
.info-card:hover {
  background: var(--surface-hover);
  border-top-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.info-card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}
.info-card h2::before {
  counter-increment: section-counter;
  content: counter(section-counter, decimal-leading-zero);
  background: rgba(77, 208, 255, 0.1);
  color: var(--accent);
  font-size: 1rem;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-body);
  border: 1px solid rgba(77, 208, 255, 0.3);
}

.info-card p {
  color: var(--muted);
  margin-bottom: 15px;
}
.info-card p:last-child { margin-bottom: 0; }
.info-card a {
  color: var(--accent2);
  font-weight: 600;
  border-bottom: 1px dashed var(--accent2);
}
.info-card a:hover {
  color: var(--accent2-hover);
  border-bottom-style: solid;
}

/* PAGE SPECIFIC: FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto 60px;
  padding: 0 20px;
}
.section-title {
  text-align: center;
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--text);
}
.section-title span { color: var(--accent); }

details {
  background: var(--surface);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
details:hover { border-color: rgba(77, 208, 255, 0.3); }
details[open] { background: var(--surface-hover); border-color: var(--accent); }

summary {
  padding: 20px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
}
details[open] summary::after { content: '-'; transform: rotate(180deg); }
details p {
  padding: 0 20px 20px;
  color: var(--muted);
}

/* PAGE SPECIFIC: RELATED LINKS */
.related-container {
  max-width: 900px;
  margin: 0 auto 60px;
  padding: 40px 20px;
  background: rgba(20, 34, 48, 0.5);
  border-radius: var(--radius);
  text-align: center;
  border: 1px dashed rgba(143, 168, 184, 0.3);
}
.related-container h3 {
  font-family: var(--font-display);
  margin-bottom: 25px;
  color: var(--text);
}
.related-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}
.related-grid a {
  background: var(--surface);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid rgba(77, 208, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.related-grid a::before {
  content: '';
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 30%, 50% 100%, 0% 30%);
}
.related-grid a:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: translateY(-2px);
}
.related-grid a:hover::before { background: #000; }

/* PAGE SPECIFIC: CTA */
.cta-block {
  max-width: 800px;
  margin: 0 auto 80px;
  padding: 50px 20px;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(77, 208, 255, 0.1) 100%);
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid rgba(77, 208, 255, 0.2);
}
.cta-block h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 15px;
}
.cta-block p {
  color: var(--muted);
  margin-bottom: 30px;
  font-size: 1.1rem;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}
.cta-actions .btn { min-width: 160px; }

/* FOOTER (Matching Homepage Style) */
footer {
  background-color: #060a0f;
  padding: 60px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 15px;
  text-transform: lowercase;
}
.footer-brand span { color: var(--accent); }
.footer-tagline {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 300px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
}
.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: 0.85rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 2fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .info-card { padding: 40px; }
}
@media (min-width: 1024px) {
  .intro-box { font-size: 1.2rem; padding: 40px; }
}


/* 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; }