/* ====== CSS Variables ====== */
:root {
  --primary: #6C3AFF;
  --primary-light: #8B5CF6;
  --primary-dark: #4C1D95;
  --secondary: #00D4FF;
  --accent: #FF6B35;
  --accent2: #E9407B;
  --gradient-main: linear-gradient(135deg, #6C3AFF 0%, #E9407B 100%);
  --gradient-cyan: linear-gradient(135deg, #00D4FF 0%, #6C3AFF 100%);
  --gradient-warm: linear-gradient(135deg, #FF6B35 0%, #E9407B 100%);
  --text-primary: #1A0A3E;
  --text-secondary: #6B5B95;
  --text-muted: #A89BC2;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F6FF;
  --bg-alt: #0D0A1A;
  --border-color: #E8E0F2;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(108, 58, 255, 0.08), 0 1px 2px rgba(108, 58, 255, 0.06);
  --shadow: 0 4px 12px rgba(108, 58, 255, 0.12);
  --shadow-lg: 0 12px 40px rgba(108, 58, 255, 0.15);
  --shadow-xl: 0 20px 60px rgba(108, 58, 255, 0.2);
  --max-width: 1200px;
  --header-height: 72px;
}

/* ====== Global Reset ====== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--bg-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: all .3s ease; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }

/* ====== Header ====== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: rgba(108,58,255,.08);
  box-shadow: 0 4px 30px rgba(108,58,255,.06);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 100%;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; flex-shrink: 0; }
.logo-text {
  font-size: 20px; font-weight: 800;
  color: var(--text-primary); letter-spacing: -.5px;
}
.logo-accent { color: var(--primary); }

/* Nav */
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: 40px; }
.nav-link {
  position: relative;
  padding: 8px 18px;
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 15px; font-weight: 500;
  transition: all .3s ease;
}
.nav-link:hover { color: var(--primary); background: rgba(108,58,255,.06); }
.nav-link.active { color: var(--primary); font-weight: 600; }

/* Header Actions */
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* Navbar Toggle (Mobile) */
.navbar-toggler-custom {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: none;
  border: 1px solid var(--border-color);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: all .3s ease;
  margin-left: auto;
}
.navbar-toggler-custom:hover { border-color: var(--primary); }
.navbar-toggler-custom span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ====== Buttons ====== */
.btn-custom {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  border: none;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary-custom {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,58,255,.35);
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108,58,255,.45);
  color: #fff;
}
.btn-outline-custom {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-outline-custom:hover { border-color: var(--primary); color: var(--primary); background: rgba(108,58,255,.05); }
.btn-outline-light-custom {
  background: rgba(255,255,255,.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
}
.btn-outline-light-custom:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.4); color: #fff; }
.btn-lg-custom { padding: 14px 36px; font-size: 16px; }
.btn-sm-custom { padding: 6px 16px; font-size: 13px; }

/* ====== Page Hero ====== */
.page-hero {
  position: relative;
  padding: 100px 24px 80px;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-main);
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,212,255,.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255,107,53,.1) 0%, transparent 50%);
  pointer-events: none;
}
.page-hero h1 {
  position: relative;
  font-size: 42px; font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.page-hero p {
  position: relative;
  font-size: 18px;
  color: rgba(255,255,255,.85);
  max-width: 600px;
  margin: 0 auto;
}

/* ====== Common Section ====== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-primary); }
.section-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(108,58,255,.08);
  color: var(--primary);
  font-size: 13px; font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.section-header h2 {
  font-size: 36px; font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -.5px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}
.section-footer { text-align: center; margin-top: 48px; }

/* ====== Filter Bar ====== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  justify-content: center;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary);
  transition: all .3s ease;
  font-family: inherit;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(108,58,255,.3);
}

/* ====== Pagination ====== */
.pagination-custom {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
}
.page-btn {
  padding: 10px 22px;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 14px; font-weight: 500;
  color: var(--text-primary);
  transition: all .3s ease;
  font-family: inherit;
}
.page-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-info { font-size: 14px; color: var(--text-secondary); }

/* ====== Hero Section (Home) ====== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0D0A1A;
}
.hero-bg { position: absolute; inset: 0; }
.hero-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(108,58,255,.3) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(233,64,123,.2) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0,212,255,.15) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; padding: 40px 0; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
  font-size: 14px; font-weight: 500;
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #00D4FF;
  display: inline-block;
  animation: pulse-glow 2s infinite;
}
.hero-title {
  font-size: 56px; font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -2px;
}
.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ====== Stats Section ====== */
.stats-section { position: relative; z-index: 2; margin-top: -60px; }
.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: all .3s ease;
  height: 100%;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.stat-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: rgba(108,58,255,.08);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
}
.stat-number { font-size: 36px; font-weight: 800; color: var(--text-primary); letter-spacing: -1px; }
.stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }

/* ====== Feature Cards ====== */
.feature-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(108,58,255,.15);
}
.feature-icon { margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.feature-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--primary);
}

/* ====== Product Cards ====== */
.product-card-modern {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all .4s cubic-bezier(.4,0,.2,1);
  min-height: 300px;
  display: block;
  color: #fff;
  text-decoration: none;
}
.product-card-modern:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); color: #fff; }
.product-card-bg { position: absolute; inset: 0; }
.product-card-gradient { width: 100%; height: 100%; transition: transform .5s ease; }
.product-card-modern:hover .product-card-gradient { transform: scale(1.1); }
.product-card-content {
  position: relative;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  background: linear-gradient(0deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 80%, transparent 100%);
}
.product-icon { margin-bottom: 16px; }
.product-card-content h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.product-card-content p { font-size: 14px; color: rgba(255,255,255,.8); line-height: 1.6; margin-bottom: 16px; }
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-tag {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
  font-size: 12px; font-weight: 500;
}
.product-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.product-price { color: #fff; font-size: 18px; font-weight: 700; }

/* ====== News Cards ====== */
.news-card-modern {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.news-card-modern:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.news-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.news-date .day { font-size: 28px; font-weight: 800; color: var(--primary); }
.news-date .month { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; }
.news-category {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(108,58,255,.08);
  color: var(--primary);
  font-size: 12px; font-weight: 600;
}
.news-card-body { flex: 1; }
.news-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.news-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* News List */
.news-list-item {
  display: flex;
  gap: 28px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all .4s cubic-bezier(.4,0,.2,1);
  margin-bottom: 20px;
  text-decoration: none;
  color: inherit;
}
.news-list-item:hover { transform: translateX(6px); box-shadow: var(--shadow-lg); border-color: rgba(108,58,255,.15); }
.news-item-img {
  width: 280px;
  min-height: 200px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  display: flex; align-items: center; justify-content: center;
  background-color: var(--bg-secondary);
}
.news-item-content { padding: 28px 28px 28px 0; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-item-content .news-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.news-item-content .news-date-text {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-muted); font-size: 13px;
}
.news-item-content h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; transition: color .3s; }
.news-list-item:hover h3 { color: var(--primary); }
.news-item-content p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

/* ====== Member Levels ====== */
.level-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all .4s ease;
  height: 100%;
}
.level-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.level-card.vip {
  border-color: #FFD700;
  box-shadow: 0 0 30px rgba(255,215,0,.1);
}
.level-card.vip:hover { box-shadow: 0 0 40px rgba(255,215,0,.2); }
.level-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  border-radius: 50px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 12px; font-weight: 600;
}
.level-card.vip .level-badge { background: linear-gradient(135deg, #FFD700, #FFA500); }
.level-icon { margin: 16px 0; }
.level-name { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.level-benefits { margin-bottom: 24px; }
.benefit-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-secondary);
}
.benefit-item .check-icon { color: var(--primary); flex-shrink: 0; }
.level-card.vip .benefit-item .check-icon { color: #FFD700; }
.level-btn {
  display: inline-block;
  padding: 10px 32px;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 14px; font-weight: 600;
  transition: all .3s ease;
  text-decoration: none;
}
.level-btn:hover { background: var(--gradient-main); color: #fff; border-color: transparent; }
.level-btn.vip {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #fff;
  border-color: transparent;
}

/* ====== About Page ====== */
.about-intro { margin-bottom: 80px; }
.intro-text .section-tag { margin-bottom: 16px; }
.intro-text h2 { font-size: 32px; font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.intro-text p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
.intro-stat {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all .3s ease;
  height: 100%;
}
.intro-stat:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.intro-stat-num {
  display: block;
  font-size: 32px; font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.intro-stat-label { font-size: 14px; color: var(--text-secondary); }

.tech-section { margin-bottom: 80px; }
.tech-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all .3s ease;
  height: 100%;
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.tech-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.tech-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.tech-card p { font-size: 14px; color: var(--text-secondary); }

.contact-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all .3s ease;
  height: 100%;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.contact-card-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(108,58,255,.08);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
}
.contact-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 15px; color: var(--text-secondary); }

/* ====== CTA ====== */
.cta-section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  background: #0D0A1A;
}
.cta-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 30% 50%, rgba(108,58,255,.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 70% 50%, rgba(233,64,123,.2) 0%, transparent 50%);
}
.cta-content { position: relative; }
.cta-content h2 { font-size: 42px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: 18px; color: rgba(255,255,255,.7); max-width: 600px; margin: 0 auto 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ====== Footer ====== */
.site-footer {
  background: var(--bg-alt);
  color: rgba(255,255,255,.7);
}
.footer-content { padding: 80px 0 0; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo span { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: -.5px; }
.brand-desc { font-size: 14px; line-height: 1.8; margin-bottom: 20px; max-width: 320px; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.5);
  transition: all .3s ease;
}
.social-link:hover { background: rgba(108,58,255,.2); border-color: var(--primary); color: #fff; }
.footer-col h4 {
  color: #fff;
  font-size: 15px; font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: .5px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  padding: 6px 0;
  transition: all .3s ease;
}
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 6px 0;
}
.contact-item svg { flex-shrink: 0; opacity: .5; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 24px 0;
  margin-top: 48px;
  text-align: center;
  font-size: 14px;
  opacity: .5;
}

/* ====== Back to Top ====== */
.back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 999;
  width: 48px; height: 48px;
  border-radius: 16px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(108,58,255,.4);
  transition: all .3s ease;
}
.back-top.show { display: flex; }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(108,58,255,.5); }

/* ====== News Detail / Product Detail ====== */
.detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  align-items: flex-start;
}
.detail-main { min-width: 0; }
.detail-body {
  font-size: 16px; line-height: 2;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
}

/* ====== Empty State ====== */
.empty-state { text-align: center; padding: 80px 0; color: var(--text-muted); }
.empty-state svg { opacity: .3; margin-bottom: 16px; }
.empty-state p { font-size: 16px; }

/* ====== Loading & Error ====== */
.loading-spinner {
  text-align: center; padding: 60px 0; color: var(--text-muted);
}
.error-state {
  text-align: center; padding: 60px 0;
}
.error-state .error-msg {
  color: #dc3545; margin-bottom: 16px;
}

/* ====== Page Content ====== */
.page-content {
  padding: 48px 0 80px;
  background: var(--bg-secondary);
}

/* ====== Member Center Button ====== */
.btn-member-center:hover {
  border-color: var(--primary) !important;
  color: var(--primary) !important;
  background: rgba(108, 58, 255, 0.04);
}

/* ====== Mobile Fullscreen Menu ====== */
.mobile-fullscreen.active {
  display: flex !important;
}

/* ====== Animations ====== */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(108,58,255,.3); }
  50% { box-shadow: 0 0 40px rgba(108,58,255,.6); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fade-up .6s ease both; }

/* ====== Responsive ====== */
@media (max-width: 992px) {
  .hero-title { font-size: 40px; }
  .hero-visual { display: none; }
  .main-nav { display: none; }
  .navbar-toggler-custom { display: flex; }
  .page-hero h1 { font-size: 32px; }
  .section-header h2 { font-size: 28px; }
  .section { padding: 72px 0; }
  .about-intro .row > div:first-child { margin-bottom: 40px; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-layout .detail-sidebar { order: 1; }
  .detail-layout .detail-main { order: 0; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 32px; letter-spacing: -1px; }
  .hero-desc { font-size: 16px; }
  .page-hero { padding: 80px 20px 60px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 24px; }
  .news-list-item { flex-direction: column; }
  .news-item-img { width: 100%; height: 200px; }
  .news-item-content { padding: 20px; }
  .detail-body { padding: 24px; font-size: 15px; }
  .cta-content h2 { font-size: 28px; }
  .cta-section { padding: 80px 0; }
}
@media (max-width: 576px) {
  .hero { min-height: 80vh; }
  .hero-title { font-size: 28px; }
  .footer-content .footer-grid { gap: 32px; }
  .page-hero { padding: 70px 16px 50px; }
  .page-hero h1 { font-size: 22px; }
  .section { padding: 40px 0; }
  .section-header h2 { font-size: 20px; }
  .detail-body { padding: 16px; font-size: 14px; }
  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}