:root {
  --bg: #0e0a14;
  --surface: #1d1530;
  --surface-hover: #2a1f45;
  --accent: #ff6b9d;
  --accent2: #4dd0ff;
  --text: #f5f0ff;
  --muted: #a795c2;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --border-radius: 4px;
  --transition: all 0.3s ease;
}

* { 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;
  background-image:
    linear-gradient(rgba(14, 10, 20, 0.95), rgba(14, 10, 20, 0.95)),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(77, 208, 255, 0.03) 2px, rgba(77, 208, 255, 0.03) 4px);
}

a { color: var(--accent2); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); text-shadow: 0 0 8px rgba(255, 107, 157, 0.5); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }

/* HEADER STYLES (Targeting Part A1) */
.header {
  background: rgba(14, 10, 20, 0.95);
  border-bottom: 2px solid #2a1f45;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(5px);
}
.header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header .brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.header .brand span { color: var(--accent); }
.header .nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header .nav-links a {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
}
.header .nav-links a:hover { color: var(--accent2); }
.header-ctas { display: flex; gap: 10px; }
.btn {
  padding: 10px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff !important;
  box-shadow: 4px 4px 0 rgba(255, 107, 157, 0.3);
}
.btn-primary:hover {
  background: #ff4d88;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(255, 107, 157, 0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--accent2) !important;
  border-color: var(--accent2);
  box-shadow: 4px 4px 0 rgba(77, 208, 255, 0.2);
}
.btn-secondary:hover {
  background: rgba(77, 208, 255, 0.1);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(77, 208, 255, 0.2);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero-banner {
  padding: 60px 20px;
  text-align: center;
  background: radial-gradient(circle at center, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px dashed #332752;
  position: relative;
}
.hero-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,107,157,0.05)"/></svg>');
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.breadcrumb {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text);
  margin-bottom: 20px;
  text-shadow: 0 0 15px rgba(77, 208, 255, 0.4), 2px 2px 0 var(--accent);
  letter-spacing: 1px;
}
.meta-chips {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}
.chip {
  background: rgba(29, 21, 48, 0.8);
  border: 1px solid var(--accent2);
  color: var(--accent2);
  padding: 6px 15px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  box-shadow: 2px 2px 0 rgba(77, 208, 255, 0.2);
}

/* MAIN CONTENT */
.main-content {
  max-width: 840px;
  margin: 0 auto;
  padding: 50px 20px;
}
.intro-block {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  padding: 25px;
  margin-bottom: 40px;
  font-size: 1.1rem;
  color: #e0d8f0;
  box-shadow: 5px 5px 0 rgba(0,0,0,0.5);
  position: relative;
}
.intro-block::after {
  content: '"';
  position: absolute;
  top: -10px;
  right: 15px;
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(255, 107, 157, 0.1);
}

.content-section {
  margin-bottom: 50px;
  position: relative;
}
.section-title {
  font-size: 1.8rem;
  color: var(--accent2);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #332752;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--accent);
}
.content-section p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--muted);
}
.content-section p a {
  border-bottom: 1px dotted var(--accent2);
}

/* CUSTOM LIST (Checklist Style) */
.retro-list {
  list-style: none;
  background: var(--surface);
  padding: 25px;
  border: 1px solid #332752;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
  margin-bottom: 20px;
}
.retro-list li {
  position: relative;
  padding-left: 35px;
  margin-bottom: 15px;
  color: #e0d8f0;
}
.retro-list li:last-child { margin-bottom: 0; }
.retro-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--accent2);
  box-shadow: 2px 2px 0 rgba(255, 107, 157, 0.5);
}

/* STRATEGY CARD */
.strategy-card {
  background: linear-gradient(135deg, var(--surface) 0%, #150f24 100%);
  border: 2px solid var(--accent);
  padding: 30px;
  border-radius: 8px 0 8px 0;
  position: relative;
}
.strategy-card::before {
  content: 'TIPS';
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--bg);
  padding: 0 10px;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 0.9rem;
}
.strategy-card p { color: #f5f0ff; }

/* FAQ SECTION */
.faq-container { margin-top: 30px; }
.faq-item {
  background: var(--surface);
  margin-bottom: 15px;
  border: 1px solid #332752;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent2); }
.faq-item summary {
  padding: 20px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--accent);
  font-size: 1.5rem;
}
.faq-item[open] summary::after { content: '-'; }
.faq-item[open] summary { border-bottom: 1px solid #332752; color: var(--accent2); }
.faq-item p {
  padding: 20px;
  margin: 0;
  color: var(--muted);
}

/* RELATED LINKS */
.related-section {
  margin: 60px 0;
  padding: 40px 20px;
  background: rgba(29, 21, 48, 0.5);
  border-top: 1px dashed #332752;
  border-bottom: 1px dashed #332752;
  text-align: center;
}
.related-title {
  font-family: var(--font-display);
  color: var(--text);
  margin-bottom: 30px;
  font-size: 1.5rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  max-width: 900px;
  margin: 0 auto;
}
.related-link {
  display: block;
  padding: 15px;
  background: var(--surface);
  border: 1px solid #332752;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  transition: var(--transition);
}
.related-link:hover {
  background: var(--surface-hover);
  border-color: var(--accent2);
  color: var(--accent2);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(77, 208, 255, 0.1);
}

/* MEGA CTA */
.mega-cta {
  background: linear-gradient(45deg, #1d1530 0%, #2a1f45 100%);
  padding: 60px 20px;
  text-align: center;
  border-top: 4px solid var(--accent);
  position: relative;
  overflow: hidden;
}
.mega-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,107,157,0.03) 10px, rgba(255,107,157,0.03) 20px);
  animation: bgScroll 20s linear infinite;
}
@keyframes bgScroll { 100% { transform: translate(50px, 50px); } }
.cta-content { position: relative; z-index: 2; max-width: 600px; margin: 0 auto; }
.cta-title {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 15px;
  text-shadow: 2px 2px 0 var(--accent2);
}
.cta-desc { color: var(--muted); margin-bottom: 30px; font-size: 1.1rem; }
.cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.cta-buttons .btn { padding: 15px 30px; font-size: 1rem; }

/* FOOTER (Targeting Part A2) */
.testimoni-author {
  background: #09060d;
  color: var(--muted);
  text-align: center;
  padding: 20px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  border-top: 1px solid #1d1530;
}
.testimoni-author span { color: var(--accent); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .header .nav-links { display: none; }
  .header .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--surface);
    padding: 20px;
    border-bottom: 2px solid var(--accent);
  }
  .header-ctas { flex-direction: column; width: 100%; }
  .menu-toggle { display: block; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.5rem; }
  .cta-title { font-size: 1.8rem; }
}

@media (max-width: 390px) {
  .hero-banner { padding: 40px 15px; }
  .main-content { padding: 30px 15px; }
  .intro-block { padding: 15px; font-size: 1rem; }
  .retro-list { padding: 15px; }
  .strategy-card { padding: 20px; }
  .btn { width: 100%; margin-bottom: 10px; }
  .cta-buttons { flex-direction: column; gap: 10px; }
  .cta-buttons .btn { margin-bottom: 0; }
  .related-grid { grid-template-columns: 1fr; }
}


/* 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; }