:root {
  --bg: #1a0a14;
  --surface: #301828;
  --accent: #ff6b9d;
  --accent2: #4dd0ff;
  --text: #fff0f8;
  --muted: #c295b2;
  --border-radius: 12px;
  --pop-shadow: 4px 4px 0px var(--accent2);
  --pop-shadow-hover: 6px 6px 0px var(--accent);
}

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

body {
  font-family: 'Barlow', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, .display-text {
  font-family: 'Anton', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: normal;
  line-height: 1.2;
}

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

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

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

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: 'Anton', sans-serif;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 3px 3px 0px var(--accent2);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--accent2);
  color: #fff;
}

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

.btn-secondary:hover {
  background-color: rgba(255, 107, 157, 0.1);
}

/* --- HEADER --- */
header {
  background-color: rgba(26, 10, 20, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--surface);
}

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

.logo-area a {
  display: flex;
  align-items: center;
}

.nav-links {
  display: none;
}

.header-ctas {
  display: none;
}

.mobile-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 28px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 1024px) {
  .mobile-toggle { display: none; }
  .nav-links {
    display: flex;
    gap: 24px;
  }
  .nav-links a {
    color: var(--text);
    font-weight: 500;
    font-size: 1.05rem;
  }
  .nav-links a:hover {
    color: var(--accent);
    transform: translateY(-2px);
  }
  .header-ctas {
    display: flex;
    gap: 12px;
  }
}

/* Mobile Menu Active State */
.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--surface);
  padding: 20px;
  border-bottom: 2px solid var(--accent);
  gap: 15px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.nav-links.active a {
  color: var(--text);
  font-size: 1.1rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* --- HERO BANNER --- */
.hero-banner {
  background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
  padding: 60px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 4px dashed var(--surface);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: radial-gradient(var(--accent) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.05;
  transform: rotate(15deg);
  pointer-events: none;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 20px;
  display: inline-block;
  background: rgba(0,0,0,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--surface);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: #fff;
  text-shadow: 3px 3px 0px var(--accent), 6px 6px 0px rgba(0,0,0,0.5);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.chip {
  background-color: var(--surface);
  color: var(--accent2);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--accent2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- MAIN CONTENT --- */
.main-content {
  padding: 60px 0;
  max-width: 900px;
  margin: 0 auto;
}

.intro-block {
  background-color: var(--surface);
  padding: 30px;
  border-radius: var(--border-radius);
  border-left: 6px solid var(--accent);
  margin-bottom: 50px;
  font-size: 1.15rem;
  line-height: 1.8;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.intro-block p {
  margin: 0;
}

/* Steps / Sections */
.guide-section {
  margin-bottom: 60px;
  position: relative;
}

.guide-card {
  background-color: var(--surface);
  border-radius: var(--border-radius);
  padding: 40px 30px 30px;
  position: relative;
  border: 2px solid rgba(255,255,255,0.05);
  transition: transform 0.3s ease;
}

.guide-card:hover {
  transform: translateY(-5px);
  border-color: rgba(77, 208, 255, 0.3);
}

.step-badge {
  position: absolute;
  top: -20px;
  left: -20px;
  background-color: var(--accent2);
  color: var(--bg);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Anton', sans-serif;
  font-size: 1.8rem;
  border-radius: 50%;
  box-shadow: 4px 4px 0px var(--accent);
  transform: rotate(-10deg);
  z-index: 2;
}

.guide-card h2 {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 20px;
  margin-top: 10px;
}

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

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

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

.guide-card a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Custom List */
.custom-list {
  list-style: none;
  margin: 20px 0 0 0;
  padding: 0;
}

.custom-list li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 12px;
  background: rgba(0,0,0,0.2);
  padding: 16px 16px 16px 48px;
  border-radius: 8px;
  border-left: 4px solid var(--accent2);
}

.custom-list li::before {
  content: '★';
  position: absolute;
  left: 16px;
  top: 16px;
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1;
}

/* --- FAQ SECTION --- */
.faq-container {
  margin-top: 80px;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 40px;
  color: #fff;
}

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

details {
  background-color: var(--surface);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
}

summary {
  padding: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  position: relative;
  list-style: none;
  padding-right: 50px;
  transition: background-color 0.2s ease;
}

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

summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Anton', sans-serif;
  font-size: 1.5rem;
  color: var(--accent2);
  transition: transform 0.3s ease;
}

details[open] summary {
  background-color: rgba(255, 107, 157, 0.1);
  color: var(--accent);
}

details[open] summary::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
  color: var(--accent);
}

details p {
  padding: 0 20px 20px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 10px;
  padding-top: 20px;
}

/* --- RELATED LINKS --- */
.related-section {
  margin-top: 80px;
  background-color: rgba(48, 24, 40, 0.5);
  padding: 40px;
  border-radius: var(--border-radius);
  border: 2px dashed var(--muted);
}

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

.related-link-item {
  background-color: var(--bg);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: all 0.3s ease;
  text-transform: capitalize;
}

.related-link-item:hover {
  background-color: var(--accent);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(255, 107, 157, 0.4);
}

/* --- MEGA CTA --- */
.mega-cta {
  margin-top: 80px;
  margin-bottom: 60px;
  background: linear-gradient(45deg, var(--accent), #ff3377);
  border-radius: 24px;
  padding: 60px 20px;
  text-align: center;
  box-shadow: var(--pop-shadow);
  position: relative;
  overflow: hidden;
}

.mega-cta::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,0.1) 10px,
    rgba(255,255,255,0.1) 20px
  );
  pointer-events: none;
}

.mega-cta h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
  text-shadow: 2px 2px 0px rgba(0,0,0,0.3);
}

.mega-cta p {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
  font-weight: 500;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.btn-cta-primary {
  background-color: var(--bg);
  color: var(--accent);
  border: 2px solid var(--bg);
}

.btn-cta-primary:hover {
  background-color: var(--surface);
  color: var(--accent2);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.btn-cta-secondary {
  background-color: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-cta-secondary:hover {
  background-color: #fff;
  color: var(--accent);
  transform: translateY(-3px);
}

/* --- FOOTER --- */
footer {
  background-color: #11060d;
  padding: 60px 0 20px;
  border-top: 4px solid var(--surface);
}

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

.footer-brand p {
  color: var(--muted);
  margin-top: 16px;
  max-width: 300px;
}

.footer-brand h2 {
  color: var(--accent);
  font-size: 2.5rem;
}

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

.footer-col h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 20px;
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--muted);
}

.footer-col ul a:hover {
  color: var(--accent2);
  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: 0.9rem;
}

/* Responsive Adjustments */
@media (min-width: 768px) {
  .footer-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .guide-card {
    margin-left: 20px;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 300px 1fr;
  }
}

@media (max-width: 390px) {
  .hero-title { font-size: 2.2rem; }
  .guide-card { padding: 30px 20px 20px; }
  .step-badge { width: 50px; height: 50px; font-size: 1.5rem; top: -15px; left: -15px; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; }
}


/* 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; }