/* ============================================================
   黑料 - 外部CSS | cficnb.cn
   主题：星空紫 · 深夜蓝 · 金色点缀
   完全原创，与cop7fh.cn不同
   ============================================================ */

/* ── CSS Variables ── */
:root {
  --bg-dark:   #0D0B1A;
  --bg-mid:    #13102A;
  --bg-card:   #1C1836;
  --bg-card2:  #221E40;
  --primary:   #7C3AED;
  --primary-h: #6D28D9;
  --accent:    #A78BFA;
  --gold:      #F59E0B;
  --gold-h:    #D97706;
  --text:      #E2E0F0;
  --text-muted:#9D9AB8;
  --border:    rgba(124,58,237,0.25);
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 8px 32px rgba(0,0,0,0.5);
  --glow:      0 0 24px rgba(124,58,237,0.35);
  --transition: 0.3s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC','Microsoft YaHei',sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 80px 0; }

/* ── Top Bar ── */
.top-bar {
  background: linear-gradient(90deg, #1a0e3a 0%, #0D0B1A 100%);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  font-size: .8rem;
  color: var(--text-muted);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar a { color: var(--accent); }
.top-bar a:hover { color: var(--gold); }
.top-bar-links { display: flex; gap: 16px; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,11,26,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px 0;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-wrap img { border-radius: 10px; }
.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
}
.logo-text em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  color: #fff;
  background: rgba(124,58,237,0.15);
}
.nav-cta {
  margin-left: 8px;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Mobile Nav ── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,11,26,0.98);
  backdrop-filter: blur(20px);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.2rem;
  color: var(--text);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  width: 100%;
  text-align: center;
  max-width: 280px;
  border: 1px solid var(--border);
}
.mobile-nav a:hover { background: rgba(124,58,237,0.15); color: #fff; }
.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--text-muted);
  padding: 8px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, #5B21B6 100%);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-h) 0%, #4C1D95 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.5);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--accent);
  padding: 11px 26px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: rgba(124,58,237,0.12);
  color: #fff;
  border-color: var(--accent);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold) 0%, #B45309 100%);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-h) 0%, #92400E 100%);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Title Block ── */
.title-block { text-align: center; margin-bottom: 48px; }
.sec-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: .02em;
}
.sec-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sec-sub { color: var(--text-muted); font-size: .95rem; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/banner_hero.jpg') center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,11,26,0.92) 0%, rgba(45,27,105,0.75) 50%, rgba(13,11,26,0.88) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-block;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.4);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: .8rem;
  margin-bottom: 24px;
  letter-spacing: .06em;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.hero-content h1 .brand {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content h1 .highlight {
  color: var(--gold);
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(226,224,240,0.85);
  margin-bottom: 32px;
  max-width: 560px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat .num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hero-stat .label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .75rem;
  color: var(--text-muted);
  z-index: 2;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0);} 50%{transform:translateX(-50%) translateY(8px);} }

/* ── Marquee ── */
.marquee-strip {
  background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-card2) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-size: .85rem;
  color: var(--text-muted);
}
.marquee-track span b { color: var(--accent); }
@keyframes marquee { from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ── Video Section ── */
.video-section { background: var(--bg-dark); }
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .85rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: transparent;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow), var(--glow);
  border-color: rgba(124,58,237,0.5);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%) scale(0.8);
  width: 56px;
  height: 56px;
  opacity: 0;
  transition: all var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(124,58,237,0.85);
  color: #fff;
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: 50px;
}
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 14px 16px 16px; }
.video-title {
  font-size: .9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--text-muted);
}
.video-views { color: var(--accent); }

/* ── Portrait Section ── */
.portrait-section { background: var(--bg-mid); }
.portrait-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.portrait-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.portrait-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.portrait-main-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(13,11,26,0.92) 0%, transparent 100%);
  padding: 32px 24px 24px;
}
.portrait-main-overlay h3 { font-size: 1.1rem; color: #fff; margin-bottom: 6px; }
.portrait-main-overlay p { font-size: .82rem; color: var(--text-muted); }
.portrait-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.portrait-card {
  display: flex;
  gap: 14px;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.portrait-card:hover { border-color: rgba(124,58,237,0.5); transform: translateX(4px); }
.portrait-card img {
  width: 110px;
  height: 110px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 0;
}
.portrait-card-info { padding: 12px 14px 12px 0; }
.portrait-card-info h4 { font-size: .88rem; color: #fff; margin-bottom: 6px; }
.portrait-card-info p { font-size: .78rem; color: var(--text-muted); line-height: 1.5; }
.portrait-tag {
  display: inline-block;
  background: rgba(124,58,237,0.15);
  color: var(--accent);
  font-size: .7rem;
  padding: 2px 10px;
  border-radius: 50px;
  margin-top: 8px;
  border: 1px solid var(--border);
}

/* ── Content Matrix ── */
.content-matrix { background: var(--bg-dark); }
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.matrix-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.matrix-card:hover {
  border-color: rgba(124,58,237,0.5);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}
.matrix-icon { font-size: 2rem; margin-bottom: 16px; }
.matrix-card h3 { font-size: 1.05rem; color: #fff; margin-bottom: 10px; }
.matrix-card p { font-size: .85rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }
.matrix-card ul { display: flex; flex-direction: column; gap: 6px; }
.matrix-card ul li {
  font-size: .82rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.matrix-card ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: .6rem;
  top: 3px;
}

/* ── AI Section ── */
.ai-section { background: var(--bg-mid); }
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.ai-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.ai-visual img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius);
}
.ai-visual-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  color: #fff;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
}
.ai-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.ai-content h2 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ai-content > p { color: var(--text-muted); margin-bottom: 28px; line-height: 1.7; }
.ai-features { display: flex; flex-direction: column; gap: 20px; }
.ai-feature { display: flex; gap: 16px; align-items: flex-start; }
.ai-feature-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}
.ai-feature-text h4 { font-size: .92rem; color: #fff; margin-bottom: 4px; }
.ai-feature-text p { font-size: .82rem; color: var(--text-muted); line-height: 1.5; }

/* ── Community ── */
.community-section { background: var(--bg-dark); }
.community-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.comm-tab {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: .88rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.comm-tab:hover, .comm-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.comm-panel { display: none; }
.comm-panel.active { display: block; }
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.comm-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.comm-card:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-3px); }
.comm-card-header {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.comm-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: .9rem;
  flex-shrink: 0;
}
.comm-card-header h4 { font-size: .88rem; color: #fff; margin-bottom: 2px; }
.comm-card-header span { font-size: .75rem; color: var(--accent); }
.comm-card > p { font-size: .83rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.comm-card-footer {
  display: flex;
  gap: 16px;
  font-size: .75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

/* ── Experts ── */
.experts-section { background: var(--bg-mid); }
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.expert-card:hover { border-color: rgba(124,58,237,0.5); box-shadow: var(--glow); }
.expert-photo {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.expert-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform var(--transition);
}
.expert-card:hover .expert-photo img { transform: scale(1.05); }
.expert-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(13,11,26,0.6) 0%, transparent 60%);
}
.expert-info { padding: 20px; }
.expert-info h3 { font-size: 1.05rem; color: #fff; margin-bottom: 4px; }
.expert-role {
  font-size: .78rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.expert-info > p { font-size: .82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.expert-tag {
  background: rgba(124,58,237,0.15);
  color: var(--accent);
  font-size: .7rem;
  padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid var(--border);
}

/* ── Partners ── */
.partners-section { background: var(--bg-dark); }
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-size: .88rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.partner-item:hover {
  border-color: rgba(124,58,237,0.5);
  color: #fff;
  background: var(--bg-card2);
}

/* ── How-To Steps ── */
.howto-section { background: var(--bg-mid); }
.steps-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.step-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.step-item:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-4px); }
.step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
}
.step-item h4 { font-size: .95rem; color: #fff; margin-bottom: 8px; }
.step-item p { font-size: .82rem; color: var(--text-muted); line-height: 1.6; }

/* ── Reviews ── */
.reviews-section { background: var(--bg-dark); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.review-card:hover { border-color: rgba(124,58,237,0.5); }
.review-stars { color: var(--gold); font-size: 1rem; margin-bottom: 12px; }
.review-card > p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}
.reviewer { display: flex; gap: 12px; align-items: center; }
.reviewer-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: .85rem;
  flex-shrink: 0;
}
.reviewer-name { font-size: .88rem; color: #fff; font-weight: 600; }
.reviewer-info { font-size: .75rem; color: var(--text-muted); }

/* ── FAQ ── */
.faq-section { background: var(--bg-mid); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(124,58,237,0.5); }
.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: .92rem;
  color: #fff;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background var(--transition);
}
.faq-q:hover { background: rgba(124,58,237,0.08); }
.faq-icon {
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-item.open .faq-a { max-height: 300px; }
.faq-a-inner {
  padding: 0 20px 18px;
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Share ── */
.share-section { background: var(--bg-dark); }
.share-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.share-inner h2 { font-size: 1.6rem; color: #fff; margin-bottom: 12px; }
.share-inner p { color: var(--text-muted); margin-bottom: 28px; }
.share-btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  padding: 10px 22px;
  border-radius: 50px;
  font-size: .85rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Contact ── */
.contact-section { background: var(--bg-mid); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info h2 { font-size: 1.6rem; color: #fff; margin-bottom: 14px; }
.contact-info h2 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-info > p { color: var(--text-muted); margin-bottom: 24px; line-height: 1.7; }
.contact-items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(124,58,237,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.contact-item-text h4 { font-size: .88rem; color: #fff; margin-bottom: 2px; }
.contact-item-text p { font-size: .82rem; color: var(--text-muted); }
.contact-qr { display: flex; gap: 20px; }
.qr-box { text-align: center; }
.qr-box img { width: 90px; height: 90px; object-fit: cover; border-radius: 10px; margin-bottom: 6px; }
.qr-box p { font-size: .75rem; color: var(--text-muted); }
.contact-form {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}
.contact-form h3 { font-size: 1.1rem; color: #fff; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .82rem; color: var(--text-muted); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: .88rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { height: 100px; resize: vertical; }
.form-group select option { background: var(--bg-dark); }

/* ── Join ── */
.join-section {
  background: linear-gradient(135deg, #1a0e3a 0%, var(--bg-dark) 100%);
  border-top: 1px solid var(--border);
}
.join-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.join-text h2 { font-size: 1.6rem; color: #fff; margin-bottom: 12px; }
.join-text h2 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.join-text p { color: var(--text-muted); max-width: 500px; line-height: 1.7; }
.join-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Page Hero ── */
.page-hero {
  background: linear-gradient(135deg, #1a0e3a 0%, var(--bg-mid) 100%);
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb strong { color: #fff; }
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.page-hero h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero p { color: var(--text-muted); font-size: .95rem; }

/* ── Footer ── */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: .82rem;
  color: var(--text-muted);
  margin: 14px 0 20px;
  line-height: 1.7;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(124,58,237,0.15);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-col h4 { font-size: .9rem; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: .82rem; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--accent); }
.footer-update { color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .portrait-grid { grid-template-columns: 1fr; }
  .ai-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { min-height: 80vh; }
  .hero-content h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .section-pad { padding: 56px 0; }
  .sec-title { font-size: 1.6rem; }
  .video-grid { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
  .steps-row { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .join-inner { flex-direction: column; }
  .top-bar-links { display: none; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .steps-row { grid-template-columns: 1fr; }
  .community-tabs { flex-direction: column; }
  .filter-bar { gap: 6px; }
  .filter-btn { font-size: .78rem; padding: 6px 14px; }
}