/* ============================
   首页专属样式
   ============================ */

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 68px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,247,0.15) 0%, transparent 70%);
  top: -100px; left: -100px;
}

.hero-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  bottom: -50px; right: -50px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 60px 24px;
}

.hero-badge {
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-trust > span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-logos {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-logo {
  padding: 6px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-dot {
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.4; }
}

/* --- 统计数据条 --- */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--border);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -1px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-item:not(:last-child)::after { display: none; }
}

/* --- 服务卡片 --- */
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition);
}

.service-link:hover { color: #60A5FA; }

/* --- 优势区块 --- */
.advantage-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.advantage-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
}

.advantage-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.adv-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.adv-item:hover { border-color: rgba(79,142,247,0.3); }

.adv-icon {
  font-size: 1.5rem;
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79,142,247,0.1);
  border-radius: 10px;
}

.adv-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.adv-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .advantage-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* --- 案例卡片 --- */
.case-card {
  display: block;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
}

.case-img {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.case-img-1 {
  background: linear-gradient(135deg, #1e3a5f, #2d1b69);
}

.case-img-2 {
  background: linear-gradient(135deg, #1a3a2a, #1b3a4b);
}

.case-img-3 {
  background: linear-gradient(135deg, #2d1b1b, #1b2d3a);
}

/* 案例图案装饰 */
.case-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(79,142,247,0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(124,58,237,0.15) 0%, transparent 50%);
}

.case-img::after {
  content: '';
  position: absolute;
  top: 30%; left: 30%; right: 10%; bottom: 10%;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
}

.case-tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 1;
  padding: 4px 12px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.case-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- 客户评价 --- */
.testimonials {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.testimonial-card .stars {
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- CTA --- */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  position: relative;
  text-align: center;
  padding: 72px 40px;
  background: var(--bg-card);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 24px;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 36px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}