:root {
  --bg: #0e0a14;
  --surface: #1d1530;
  --surface-hover: #291e45;
  --accent: #ff6b9d;
  --accent2: #4dd0ff;
  --text: #f5f0ff;
  --muted: #a795c2;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --container: 1024px;
  --radius: 4px;
  --pixel-border: 2px solid var(--accent);
}

* {
  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;
  background-image:
    linear-gradient(rgba(29, 21, 48, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 21, 48, 0.3) 1px, transparent 1px);
  background-size: 30px 30px;
}

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

a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-style: dotted;
}

h1, h2, h3, .brand {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

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

/* HEADER (Strict Constraint) */
.header {
  background-color: rgba(14, 10, 20, 0.95);
  border-bottom: 2px solid var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.brand {
  font-size: 1.5rem;
  color: var(--text);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-shadow: 2px 2px 0px var(--accent);
}

.brand span {
  color: var(--accent2);
}

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

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--accent2);
}

.header-ctas {
  display: flex;
  gap: 10px;
  margin-left: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  min-height: 44px;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  transition: transform 0.1s, box-shadow 0.1s;
}

.btn:active {
  transform: translateY(2px);
  box-shadow: none !important;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--bg) !important;
  box-shadow: 3px 3px 0px var(--accent2);
}

.btn-primary:hover {
  background-color: #ff85af;
  color: var(--bg) !important;
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent2) !important;
  border: 2px solid var(--accent2);
  box-shadow: 3px 3px 0px var(--surface);
}

.btn-secondary:hover {
  background-color: rgba(77, 208, 255, 0.1);
  text-decoration: none;
}

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

/* HERO SECTION */
.hero {
  padding: 60px 0 40px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 107, 157, 0.15) 0%, transparent 70%);
  z-index: -1;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  color: var(--text);
  text-shadow: 3px 3px 0px var(--accent), -1px -1px 0px var(--accent2);
  letter-spacing: 1px;
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.chip {
  background-color: var(--surface);
  border: 1px solid var(--muted);
  color: var(--accent2);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-family: var(--font-display);
  border-radius: 2px;
  text-transform: uppercase;
  box-shadow: 2px 2px 0px rgba(0,0,0,0.5);
}

.intro-block {
  background-color: var(--surface);
  border-left: 4px solid var(--accent);
  padding: 25px;
  font-size: 1.1rem;
  color: var(--text);
  box-shadow: 5px 5px 0px rgba(0,0,0,0.3);
  position: relative;
}

/* CONTENT SECTIONS */
.content-area {
  padding: 20px 0 60px;
}

.section-block {
  margin-bottom: 50px;
}

.section-block h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--accent2);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-block h2::before {
  content: '►';
  color: var(--accent);
  font-size: 1.2rem;
}

.section-block p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  color: #d8d0e5;
}

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

/* LIST STYLING */
.feature-list {
  list-style: none;
  margin: 25px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

.feature-list li {
  background-color: var(--surface);
  padding: 15px 20px;
  border: 1px solid #322554;
  border-radius: var(--radius);
  position: relative;
  padding-left: 45px;
  transition: transform 0.2s;
}

.feature-list li:hover {
  transform: translateX(5px);
  border-color: var(--accent2);
}

.feature-list li::before {
  content: '■';
  position: absolute;
  left: 20px;
  top: 15px;
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1.5;
}

/* FAQ SECTION */
.faq-section {
  background-color: var(--surface);
  padding: 40px;
  border-radius: var(--radius);
  border-top: 4px solid var(--accent2);
  margin-bottom: 50px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--text);
}

.faq-section h2::before {
  display: none;
}

details {
  background-color: rgba(14, 10, 20, 0.6);
  border: 1px solid var(--muted);
  margin-bottom: 15px;
  border-radius: var(--radius);
  overflow: hidden;
}

summary {
  padding: 18px 20px;
  font-family: var(--font-display);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}

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

summary::after {
  content: '+';
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: bold;
}

details[open] summary::after {
  content: '-';
  color: var(--accent2);
}

details p {
  padding: 0 20px 20px;
  color: var(--muted);
  margin: 0;
}

/* RELATED LINKS */
.related-links {
  margin-bottom: 60px;
}

.related-links h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-align: center;
  color: var(--muted);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.link-card {
  background-color: var(--surface);
  border: 1px solid #322554;
  padding: 20px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  box-shadow: 0 4px 0 rgba(0,0,0,0.3);
}

.link-card:hover {
  background-color: var(--surface-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0,0,0,0.4);
  text-decoration: none;
}

/* CTA BLOCK */
.cta-mega {
  background: linear-gradient(135deg, var(--surface) 0%, #2a1635 100%);
  border: 2px dashed var(--muted);
  padding: 50px 20px;
  text-align: center;
  border-radius: var(--radius);
  margin-bottom: 60px;
  position: relative;
}

.cta-mega::before, .cta-mega::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  background: var(--accent2);
}
.cta-mega::before { top: -10px; left: -10px; }
.cta-mega::after { bottom: -10px; right: -10px; background: var(--accent); }

.cta-mega h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 15px;
  text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
}

.cta-mega p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-actions .btn {
  font-size: 1rem;
  padding: 15px 30px;
}

/* FOOTER (Strict Constraint) */
.testimoni-author {
  text-align: center;
  padding: 40px 20px;
  background-color: rgba(14, 10, 20, 0.95);
  border-top: 1px solid var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 500;
}

.testimoni-author span {
  color: var(--muted);
}

/* MEDIA QUERIES */
@media (max-width: 1024px) {
  .nav-links { gap: 15px; }
  .nav-links a { font-size: 0.75rem; }
  .header-ctas .btn { padding: 8px 12px; font-size: 0.75rem; }
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--surface);
    flex-direction: column;
    padding: 20px;
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
  }

  .nav-links.active { display: flex; }

  .header-ctas {
    margin-left: 0;
    margin-top: 15px;
    width: 100%;
    flex-direction: column;
  }

  .header-ctas .btn { width: 100%; }

  .feature-list { grid-template-columns: 1fr; }

  .faq-section { padding: 25px 15px; }

  .cta-mega { padding: 40px 15px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}

@media (min-width: 769px) {
  .feature-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 390px) {
  .hero h1 { font-size: 1.8rem; }
  .section-block h2 { font-size: 1.3rem; }
  .intro-block { padding: 15px; font-size: 1rem; }
}


/* 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; }