/* 新版展示页（暗色电影感风格）*/
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --accent: #165dff;
  --accent-glow: rgba(22, 93, 255, 0.35);
  --accent-soft: rgba(22, 93, 255, 0.12);
  --text-primary: #e8eaf0;
  --text-secondary: #8b8fa3;
  --border: rgba(255, 255, 255, 0.06);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === Animated Background === */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.bg-layer::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(100px);
  animation: floatBlob 20s ease-in-out infinite;
}
.bg-layer::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -15%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(120, 60, 255, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  animation: floatBlob 25s ease-in-out infinite reverse;
}
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(5%, -8%) scale(1.05); }
  66% { transform: translate(-3%, 5%) scale(0.95); }
}

/* === Grain Overlay === */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* === Main Content === */
.page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Header === */
.header {
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideDown 0.6s ease-out;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--accent-glow);
  position: relative;
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 13px;
  border: 1px solid var(--accent-glow);
}
.logo-icon svg { width: 20px; height: 20px; fill: #fff; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.header-links {
  display: flex;
  gap: 8px;
}
.header-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.header-links a:hover {
  color: var(--text-primary);
  background: var(--card-bg);
  border-color: var(--card-border);
}

/* === Hero Section === */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.hero-inner {
  max-width: 900px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text {
  animation: fadeSlideRight 0.8s ease-out 0.2s both;
}
@keyframes fadeSlideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(22, 93, 255, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, #ffffff 0%, #a0a8c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 30px var(--accent-glow);
  font-family: inherit;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--accent-glow);
}
.btn-primary svg { width: 18px; height: 18px; fill: #fff; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}
.btn-ghost:hover {
  background: var(--card-bg);
  border-color: rgba(255, 255, 255, 0.15);
}

/* === Feature Card === */
.hero-visual {
  animation: fadeSlideLeft 0.8s ease-out 0.4s both;
}
@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 32px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(22, 93, 255, 0.3), transparent);
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--card-border);
  background: var(--accent-soft);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature-icon.blue svg { fill: var(--accent); }
.feature-icon.purple { background: rgba(120, 60, 255, 0.1); border-color: rgba(120, 60, 255, 0.15); }
.feature-icon.purple svg { fill: #7840ff; }
.feature-icon.green { background: rgba(0, 200, 120, 0.08); border-color: rgba(0, 200, 120, 0.12); }
.feature-icon.green svg { fill: #00c878; }
.feature-icon.orange { background: rgba(255, 160, 0, 0.08); border-color: rgba(255, 160, 0, 0.12); }
.feature-icon.orange svg { fill: #ffa000; }
.feature-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.feature-info p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: 300;
}

/* === Stats Bar === */
.stats-bar {
  padding: 0 40px 40px;
  animation: fadeUp 0.6s ease-out 0.6s both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 20px 24px;
  text-align: center;
  transition: all 0.3s ease;
}
.stat-card:hover {
  border-color: rgba(22, 93, 255, 0.2);
  background: rgba(22, 93, 255, 0.04);
}
.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 300;
}

/* === Footer === */
.footer {
  padding: 24px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 300;
}
.footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.footer a:hover { opacity: 0.8; }

/* === Responsive === */
@media (max-width: 768px) {
  .header { padding: 16px 20px; }
  .header-links { display: none; }
  .hero { padding: 20px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-title { font-size: 32px; letter-spacing: -1px; }
  .hero-desc { font-size: 15px; }
  .hero-actions { justify-content: center; }
  .stats-bar { padding: 0 20px 30px; }
  .stats-inner { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-card { padding: 16px 12px; }
  .stat-value { font-size: 22px; }
  .footer { padding: 20px; flex-direction: column; gap: 8px; text-align: center; }
}