/* =====================================================
   深圳星连星科技有限公司官网 - 页面级组件
   ===================================================== */

/* ---- Hero 首页首屏 ---- */
.hero { padding: 160px 0 100px; position: relative; overflow: hidden; }
@media (min-width: 1024px) { .hero { padding: 200px 0 160px; } }
.hero-inner { display: grid; gap: 64px; align-items: center; }
@media (min-width: 1024px) { .hero-inner { grid-template-columns: 1.05fr 0.95fr; gap: 80px; } }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: 100px;
  background: rgba(34, 211, 238, 0.08); border: 1px solid var(--border-glow);
  color: var(--cyan-400); font-size: 0.875rem; font-weight: 500; margin-bottom: 28px;
}
.hero-badge i { font-size: 0.75rem; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.08;
  font-weight: 700;
  margin-bottom: 28px;
}
.hero-title .gradient-text { background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { color: var(--text-secondary); font-size: 1.1rem; max-width: 540px; line-height: 1.85; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--border-subtle); }
.hero-stat .stat-num { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stat .stat-label { color: var(--text-secondary); font-size: 0.875rem; margin-top: 6px; }

.hero-visual { position: relative; display: grid; place-items: center; }
.hero-orbit {
  position: absolute; width: 420px; height: 420px; border-radius: 50%;
  border: 1px dashed rgba(34, 211, 238, 0.18);
  animation: spin 28s linear infinite;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.hero-orbit::before, .hero-orbit::after { content: ''; position: absolute; border-radius: 50%; border: 1px dashed rgba(34, 197, 94, 0.12); }
.hero-orbit::before { inset: 60px; } .hero-orbit::after { inset: 120px; border-color: rgba(59, 130, 246, 0.12); }
.hero-glow {
  position: absolute; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.22), transparent 65%);
  filter: blur(20px);
}
.hero-mockup {
  position: relative; z-index: 2; width: 100%; max-width: 520px;
  background: rgba(30, 41, 59, 0.55); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl);
  padding: 18px; box-shadow: 0 32px 80px rgba(0, 0, 0, 0.35), 0 0 60px rgba(6, 182, 212, 0.12);
  backdrop-filter: blur(12px);
}
.mockup-header { display: flex; gap: 8px; margin-bottom: 14px; }
.mockup-dot { width: 12px; height: 12px; border-radius: 50%; }
.mockup-dot.red { background: #ef4444; } .mockup-dot.yellow { background: #eab308; } .mockup-dot.green { background: #22c55e; }
.mockup-screen { border-radius: 16px; overflow: hidden; aspect-ratio: 16/10; background: var(--deep-2); position: relative; }
.mockup-screen img { width: 100%; height: 100%; object-fit: cover; }
.mockup-screen::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), transparent 50%);
  pointer-events: none;
}
.mockup-floating {
  position: absolute; z-index: 3;
  background: rgba(15, 23, 42, 0.9); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 14px 18px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}
.mockup-floating.one { top: 20%; left: -8%; animation: float 5s ease-in-out infinite; }
.mockup-floating.two { bottom: 18%; right: -6%; animation: float 6s ease-in-out infinite 1s; }
.mockup-floating i { color: var(--green-400); margin-right: 8px; }
.mockup-floating span { font-size: 0.85rem; color: var(--text-secondary); }

.trust-bar { padding: 40px 0; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); background: rgba(15, 23, 42, 0.4); }
.trust-label { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 24px; letter-spacing: 0.1em; text-transform: uppercase; }
.trust-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px 48px; }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-weight: 500; }
.trust-item i { color: var(--cyan-400); font-size: 1.1rem; }

.tech-grid { display: grid; gap: 24px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .tech-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .tech-grid { grid-template-columns: repeat(6, 1fr); } }
.tech-card {
  background: rgba(30, 41, 59, 0.35); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  padding: 28px 16px; text-align: center; transition: all 0.35s;
}
.tech-card:hover { transform: translateY(-5px); border-color: var(--border-glow); background: rgba(34, 211, 238, 0.08); }
.tech-card i { font-size: 2rem; margin-bottom: 14px; }
.tech-card.vue i { color: #4ade80; }
.tech-card.uniapp i { color: #22d3ee; }
.tech-card.nuxt i { color: #2dd4bf; }
.tech-card.spring i { color: #60a5fa; }
.tech-card.java i { color: #f87171; }
.tech-card.database i { color: #a78bfa; }
.tech-card span { display: block; font-size: 0.9rem; color: var(--text-secondary); }
.tech-card strong { display: block; font-family: var(--font-heading); font-size: 1rem; margin-bottom: 6px; }

.services-grid { display: grid; gap: 24px; }
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }

.product-showcase { display: grid; gap: 48px; align-items: center; margin-bottom: 100px; }
@media (min-width: 1024px) { .product-showcase { grid-template-columns: 1fr 1fr; gap: 80px; } }
.product-showcase.reverse { direction: rtl; }
.product-showcase.reverse > * { direction: ltr; }
.product-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  background: rgba(34, 211, 238, 0.1); border: 1px solid var(--border-glow); color: var(--cyan-400); margin-bottom: 20px;
}
.product-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 20px; }
.product-desc { color: var(--text-secondary); font-size: 1rem; line-height: 1.85; margin-bottom: 28px; }
.product-features { margin-bottom: 32px; }
.product-features li { display: flex; align-items: flex-start; gap: 12px; color: var(--text-secondary); margin-bottom: 14px; font-size: 0.95rem; }
.product-features li i { color: var(--green-400); margin-top: 4px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.device-frame {
  position: relative; background: rgba(30, 41, 59, 0.55); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); padding: 20px; box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  overflow: hidden;
}
.device-frame::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(6, 182, 212, 0.12), transparent 55%);
  pointer-events: none;
}
.device-frame img { border-radius: 14px; width: 100%; }
.device-phone { max-width: 280px; margin: 0 auto; border-radius: 36px; padding: 14px; }
.device-phone .notch { width: 40%; height: 22px; background: var(--deep-2); border-radius: 0 0 14px 14px; margin: 0 auto 12px; }
.device-laptop { border-radius: 20px; }
.device-laptop .laptop-base {
  height: 16px; background: var(--deep-3); border-radius: 0 0 14px 14px; margin: 8px -20px -20px;
  position: relative;
}
.device-laptop .laptop-base::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); width: 60px; height: 6px; background: var(--deep-4); border-radius: 0 0 6px 6px; }
.device-mini { max-width: 220px; margin: 0 auto; border-radius: 28px; }

.cases-grid { display: grid; gap: 28px; }
@media (min-width: 768px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }
.case-card { border-radius: var(--radius-lg); overflow: hidden; background: rgba(30, 41, 59, 0.4); border: 1px solid var(--border-subtle); transition: all 0.4s; }
.case-card:hover { transform: translateY(-8px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.case-image { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out-expo); }
.case-card:hover .case-image img { transform: scale(1.08); }
.case-body { padding: 26px; }
.case-meta { display: flex; gap: 10px; margin-bottom: 14px; }
.case-tag { padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; background: rgba(34, 211, 238, 0.1); color: var(--cyan-400); }
.case-title { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 10px; }
.case-text { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 18px; }
.case-link { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan-400); font-weight: 600; font-size: 0.9rem; transition: gap 0.3s; }
.case-link:hover { gap: 12px; }

.process-grid { display: grid; gap: 24px; counter-reset: step; }
@media (min-width: 768px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .process-grid { grid-template-columns: repeat(4, 1fr); } }
.process-card { position: relative; padding-top: 50px; }
.process-card::before {
  counter-increment: step; content: '0' counter(step);
  position: absolute; top: 0; left: 32px; font-family: var(--font-heading);
  font-size: 4.5rem; font-weight: 800; color: rgba(34, 211, 238, 0.08); line-height: 1;
}

.about-hero { padding: 160px 0 100px; }
.about-grid { display: grid; gap: 64px; align-items: center; }
@media (min-width: 1024px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-image { border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border-subtle); box-shadow: 0 32px 80px rgba(0,0,0,0.3); }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.value-grid { display: grid; gap: 24px; margin-top: 48px; }
@media (min-width: 768px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
.value-item { display: flex; gap: 16px; }
.value-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(34, 211, 238, 0.1); border: 1px solid var(--border-glow); display: grid; place-items: center; flex-shrink: 0; }
.value-icon i { background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.value-title { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 6px; }
.value-text { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--gradient-primary); border-radius: 2px; }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -28px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--deep-2); border: 3px solid var(--cyan-400); }
.timeline-year { font-family: var(--font-heading); color: var(--cyan-400); font-weight: 700; font-size: 1rem; margin-bottom: 8px; }
.timeline-title { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 8px; }
.timeline-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

.contact-grid { display: grid; gap: 48px; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 64px; } }
.contact-card { background: rgba(30, 41, 59, 0.4); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 32px; }
.contact-item { display: flex; gap: 18px; margin-bottom: 28px; }
.contact-item:last-child { margin-bottom: 0; }
.contact-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(34, 211, 238, 0.1); border: 1px solid var(--border-glow); display: grid; place-items: center; flex-shrink: 0; }
.contact-icon i { background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.2rem; }
.contact-label { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 4px; }
.contact-value { color: var(--text-primary); font-size: 1rem; font-weight: 500; line-height: 1.6; }

.form-group { margin-bottom: 22px; }
.form-label { display: block; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 8px; }
.form-input, .form-textarea {
  width: 100%; padding: 14px 18px; border-radius: 12px;
  background: rgba(15, 23, 42, 0.6); border: 1px solid var(--border-subtle);
  color: var(--text-primary); font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--border-glow); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.08); }
.form-textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; gap: 22px; }
@media (min-width: 768px) { .form-row { grid-template-columns: 1fr 1fr; } }

.page-header { padding: 150px 0 80px; text-align: center; }
@media (min-width: 1024px) { .page-header { padding: 180px 0 100px; } }
.page-header-title { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 20px; }
.page-header-desc { color: var(--text-secondary); font-size: 1.1rem; max-width: 680px; margin: 0 auto; line-height: 1.8; }

.breadcrumb { display: flex; justify-content: center; gap: 12px; color: var(--text-muted); font-size: 0.875rem; margin-bottom: 24px; }
.breadcrumb a { transition: color 0.3s; }
.breadcrumb a:hover { color: var(--cyan-400); }
.breadcrumb i { font-size: 0.7rem; margin-top: 6px; }

.content-section { padding: 80px 0 120px; }
.content-block { max-width: 900px; margin: 0 auto; }
.content-block h2 { font-family: var(--font-display); font-size: 1.8rem; margin: 48px 0 20px; }
.content-block p { color: var(--text-secondary); margin-bottom: 18px; line-height: 1.9; }
.content-block ul { margin-bottom: 24px; }
.content-block li { position: relative; padding-left: 26px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.8; }
.content-block li::before { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; color: var(--green-400); }

.demo-placeholder {
  background: repeating-linear-gradient(45deg, rgba(34, 211, 238, 0.04), rgba(34, 211, 238, 0.04) 12px, rgba(34, 197, 94, 0.04) 12px, rgba(34, 197, 94, 0.04) 24px);
  border: 2px dashed var(--border-glow); border-radius: var(--radius-md);
  padding: 40px 24px; text-align: center; color: var(--text-secondary);
}
.demo-placeholder i { font-size: 2.5rem; margin-bottom: 16px; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.demo-placeholder strong { display: block; font-family: var(--font-display); font-size: 1.1rem; color: var(--text-primary); margin-bottom: 8px; }