body { background: #f5f5f5; }
.form-input { width: 100%; padding: 10px 12px; border: 1px solid #e0e0e0; border-radius: 8px; font-size: 15px; box-sizing: border-box; transition: border-color 0.2s; background: #fafafa; }

.top-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 52px; background: rgba(255,255,255,0.1); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.15); }
.top-nav-inner { max-width: 1200px; margin: 0 auto; height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.nav-left { display: flex; align-items: center; gap: 8px; }
.nav-logo { font-size: 20px; }
.nav-title { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: 0.5px; }
.nav-center { flex: 1; text-align: center; }
.nav-subtitle { font-size: 13px; color: rgba(255,255,255,0.85); font-style: italic; letter-spacing: 1px; }
.nav-right { flex-shrink: 0; }
.nav-admin-btn { padding: 6px 16px; border-radius: 6px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.9); text-decoration: none; border: 1px solid rgba(255,255,255,0.25); transition: all 0.2s; }
.nav-admin-btn:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.5); }

@media (max-width: 768px) {
  .nav-center { display: none; }
  .nav-title { font-size: 14px; }
}
.form-input:focus { outline: none; border-color: #1976D2; background: #fff; box-shadow: 0 0 0 3px rgba(25,118,210,0.08); }

.carousel { position: relative; overflow: hidden; border-radius: 16px; box-shadow: 0 4px 24px rgba(0,0,0,0.1); margin-bottom: 20px; }
.carousel-track { display: flex; transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1); }
.carousel-slide { flex: 0 0 100%; padding: 56px 36px 60px; color: #fff; box-sizing: border-box; min-height: 420px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.slide-mobile { background: linear-gradient(160deg, #0D47A1 0%, #1565C0 40%, #1976D2 70%, #42A5F5 100%); }
.slide-mobile::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.12) 0%, transparent 50%), radial-gradient(circle at 20% 80%, rgba(66,165,245,0.3) 0%, transparent 40%), repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(255,255,255,0.03) 40px, rgba(255,255,255,0.03) 42px); }
.slide-bigdata { background: linear-gradient(160deg, #004D40 0%, #00695C 40%, #00897B 70%, #26A69A 100%); }
.slide-bigdata::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 75% 25%, rgba(255,255,255,0.1) 0%, transparent 45%), radial-gradient(circle at 25% 75%, rgba(38,166,154,0.3) 0%, transparent 40%), repeating-linear-gradient(-30deg, transparent, transparent 35px, rgba(255,255,255,0.025) 35px, rgba(255,255,255,0.025) 37px); }
.carousel-slide > * { position: relative; z-index: 1; }
.carousel-slide .slide-label { font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; opacity: 0.7; margin-bottom: 24px; }
.carousel-slide h2 { font-size: 32px; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.5px; line-height: 1.15; }
.carousel-slide h3 { font-size: 18px; font-weight: 500; margin: 0 0 16px; opacity: 0.9; line-height: 1.5; }
.carousel-slide p { font-size: 16px; line-height: 1.75; opacity: 0.82; margin: 0 0 22px; max-width: 480px; }
.slide-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.slide-tags span { padding: 8px 18px; border-radius: 22px; font-size: 14px; font-weight: 600; border: 1.5px solid rgba(255,255,255,0.3); background: rgba(255,255,255,0.08); backdrop-filter: blur(6px); transition: background 0.2s; }
.slide-tags span:hover { background: rgba(255,255,255,0.18); }
.carousel-dots { display: flex; justify-content: center; gap: 12px; position: absolute; bottom: 22px; left: 0; right: 0; z-index: 2; }
.carousel-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; transition: all 0.25s; }
.carousel-dot.active { background: rgba(255,255,255,1); width: 32px; border-radius: 5px; }

.home-hero {
  background: linear-gradient(135deg, #1976D2 0%, #00BFA5 100%);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}
.home-hero h2 { font-size: 26px; margin: 0 0 8px; color: #fff; }
.home-subtitle { font-size: 15px; margin: 0; color: rgba(255,255,255,0.92); font-weight: 400; letter-spacing: 0.5px; }
.home-cards { display: flex; gap: 12px; margin: 24px 0; }
.home-card {
  flex: 1;
  background: #fff;
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.home-card-icon { font-size: 36px; margin-bottom: 8px; }
.mobile-card .home-card-icon { color: #1976D2; }
.bigdata-card .home-card-icon { color: #00BFA5; }
.home-card h3 { font-size: 15px; margin: 0 0 6px; }
.home-card p { font-size: 12px; color: #999; margin: 0; }
.home-cta { text-align: center; margin: 24px 0; }
.home-cta p { color: #666; margin-bottom: 16px; }

.quiz-section-header {
  background: #1976D2;
  color: #fff;
  padding: 12px 16px;
  margin: 20px 0 12px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
}
.quiz-card { margin-bottom: 12px; }
.quiz-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  color: #fff;
}
.badge-logic { background: #1976D2; }
.badge-personality { background: #00BFA5; }
.quiz-question-text { margin: 8px 0 12px; line-height: 1.6; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.quiz-option:hover { border-color: #90CAF9; background: #f5f5f5; }
.quiz-option.selected { border-color: #1976D2; background: #E3F2FD; }
.quiz-option-radio {
  width: 20px;
  height: 20px;
  border: 2px solid #bdbdbd;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  position: relative;
}
.quiz-option.selected .quiz-option-radio { border-color: #1976D2; }
.quiz-option.selected .quiz-option-radio::after {
  content: '';
  width: 10px;
  height: 10px;
  background: #1976D2;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
}

.result-rec-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 16px;
  color: #fff;
  font-size: 14px;
  margin-top: 8px;
}
.rec-mobile { background: #1976D2; }
.rec-bigdata { background: #00BFA5; }
.rec-none { background: #9e9e9e; }