/* ============================================
   青舰探索 · 武汉家长合伙人推广站
   Brand: 青舰 #1a2d5a | 探索 #00b4d8
   ============================================ */

/* --- CSS Variables --- */
:root {
  --brand-dark: #1a2d5a;
  --brand-light: #00b4d8;
  --brand-light-rgb: 0, 180, 216;
  --brand-dark-rgb: 26, 45, 90;
  --bg-primary: #f5f7fa;
  --bg-white: #ffffff;
  --text-primary: #1a2d5a;
  --text-secondary: #556680;
  --text-muted: #8899aa;
  --border-color: #e0e4ec;
  --shadow-sm: 0 2px 8px rgba(26,45,90,0.06);
  --shadow-md: 0 4px 20px rgba(26,45,90,0.10);
  --shadow-lg: 0 8px 40px rgba(26,45,90,0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --gold: #f0b429;
  --silver: #9aa5b8;
  --bronze: #c4873e;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.65;
  overflow-x: hidden;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(165deg, var(--brand-dark) 0%, #0d1833 50%, #162d54 100%);
  overflow: hidden;
  padding: 60px 20px 120px;
}
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90'%3E%3Cpath fill='%23f5f7fa' d='M0,64 C240,20 480,90 720,56 C960,22 1200,78 1440,44 L1440,90 L0,90 Z'/%3E%3C/svg%3E") no-repeat bottom center;
  background-size: cover;
}
.hero-content { position: relative; z-index: 1; }
.brand-badge {
  display: inline-block;
  background: rgba(var(--brand-light-rgb), 0.15);
  border: 1px solid rgba(var(--brand-light-rgb), 0.35);
  color: var(--brand-light);
  font-size: 0.85rem;
  padding: 6px 18px;
  border-radius: 50px;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 7vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.highlight {
  background: linear-gradient(135deg, var(--brand-light), #48cae4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}
.num {
  color: var(--brand-light);
  font-weight: 800;
  font-size: 1.25em;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.stat {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  text-align: center;
  min-width: 90px;
}
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-light);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}
.hero-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-top: 16px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  padding: 12px 30px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-light), #0077b6);
  color: #fff;
  box-shadow: 0 4px 16px rgba(var(--brand-light-rgb), 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(var(--brand-light-rgb), 0.5);
}
.btn-lg { padding: 16px 40px; font-size: 1.1rem; border-radius: var(--radius-md); }
.btn-block { width: 100%; max-width: 400px; }

/* --- Section Base --- */
.section { padding: 70px 0; }
.section-header { text-align: center; margin-bottom: 44px; }
.section-header h2 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 12px 0;
}
.section-header h2 small {
  display: block;
  font-weight: 500;
  font-size: 0.85em;
  color: var(--text-secondary);
  margin-top: 6px;
}
.section-header p,
.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 8px auto 0;
}
.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.tag-hot {
  background: linear-gradient(135deg, #ff6b6b, #ee2222);
  color: #fff;
}
.tag:not(.tag-hot) {
  background: rgba(var(--brand-light-rgb), 0.1);
  color: var(--brand-light);
  border: 1px solid rgba(var(--brand-light-rgb), 0.25);
}

/* --- Fission Section --- */
.fission-section { background: var(--bg-white); }
.fission-card {
  background: linear-gradient(145deg, #fafcff, #f0f5ff);
  border: 1px solid rgba(var(--brand-light-rgb), 0.15);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  align-items: start;
}
.card-preview {
  background: linear-gradient(160deg, var(--brand-dark), #23407a);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.card-preview::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(var(--brand-light-rgb), 0.2), transparent 70%);
  border-radius: 50%;
}
.card-face {
  font-size: 0.82rem;
  opacity: 0.7;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.card-price {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 20px;
}
.card-price span { font-size: 3.2rem; }
.card-features {
  list-style: none;
  font-size: 0.9rem;
  line-height: 2;
  opacity: 0.92;
}
.fission-calculator h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.calc-hint { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 14px; }
.invite-slider-wrap { margin-bottom: 20px; }
.invite-slider {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: #dde4ef;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}
.invite-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-light), #0077b6);
  box-shadow: 0 2px 10px rgba(var(--brand-light-rgb), 0.4);
  cursor: pointer;
  border: 3px solid #fff;
}
.invite-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-light), #0077b6);
  box-shadow: 0 2px 10px rgba(var(--brand-light-rgb), 0.4);
  cursor: pointer;
  border: 3px solid #fff;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.calc-result {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}
.result-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid #f0f2f6;
}
.result-row:last-of-type { border-bottom: none; }
.result-row strong { color: var(--brand-dark); font-size: 1.15rem; }
.result-bar {
  height: 10px;
  background: #e8ecf2;
  border-radius: 5px;
  margin: 14px 0;
  overflow: hidden;
}
.result-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--brand-light), #48cae4);
  border-radius: 5px;
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.result-status {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 10px;
  font-weight: 500;
}
.fission-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(var(--brand-light-rgb), 0.06);
  border-left: 3px solid var(--brand-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Why Grid --- */
.why-grid { gap: 20px; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.why-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: all 0.3s ease;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(var(--brand-light-rgb), 0.2);
}
.why-icon { font-size: 2.2rem; margin-bottom: 12px; }
.why-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.why-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* --- Partner Tabs --- */
.partner-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 12px 28px;
  border: 2px solid var(--border-color);
  background: var(--bg-white);
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--text-secondary);
}
.tab-btn.active {
  background: var(--brand-dark);
  color: #fff;
  border-color: var(--brand-dark);
  box-shadow: var(--shadow-sm);
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.partner-detail {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.partner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}
.meta-item {
  background: rgba(var(--brand-light-rgb), 0.06);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.partner-detail h4 {
  font-size: 1.05rem;
  margin: 20px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(var(--brand-light-rgb), 0.12);
}
.benefit-list { list-style: none; }
.benefit-list li {
  padding: 10px 0;
  border-bottom: 1px solid #f5f7fa;
  font-size: 0.9rem;
  line-height: 1.6;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.benefit-list li:last-child { border-bottom: none; }
.benefit-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.kpi-bars { margin-top: 12px; }
.kpi-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 0.88rem;
}
.kpi-row label { min-width: 100px; color: var(--text-secondary); }
.kpi-bar {
  flex: 1;
  height: 22px;
  background: #e8ecf2;
  border-radius: 11px;
  position: relative;
  overflow: hidden;
}
.kpi-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-light), #48cae4);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  min-width: 30px;
}

/* --- Ranking Tiers --- */
.ranking-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tier {
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.tier::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
}
.tier-gold {
  background: linear-gradient(180deg, #fffbf0, #fff8e6);
  border: 1px solid rgba(240,180,41,0.25);
}
.tier-gold::before { background: linear-gradient(90deg, var(--gold), #ffd666); }
.tier-silver {
  background: linear-gradient(180deg, #f8f9fc, #f0f2f7);
  border: 1px solid rgba(154,165,184,0.25);
}
.tier-silver::before { background: linear-gradient(90deg, var(--silver), #c0c8d4); }
.tier-bronze {
  background: linear-gradient(180deg, #fdfaf5, #f8f2ea);
  border: 1px solid rgba(196,135,62,0.25);
}
.tier-bronze::before { background: linear-gradient(90deg, var(--bronze), #daa56a); }
.tier-rank {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
  opacity: 0.7;
}
.tier-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.tier-gold .tier-name { color: #b8860b; }
.tier-silver .tier-name { color: #5a6270; }
.tier-bronze .tier-name { color: #a06828; }
.tier-benefits {
  list-style: none;
  text-align: left;
  font-size: 0.86rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.tier-benefits li::before { content: '✓ '; color: var(--brand-light); font-weight: 700; }
.ranking-extra {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand-light);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.ranking-extra strong { color: var(--text-primary); }

/* --- Timeline --- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand-light), var(--brand-dark));
  border-radius: 2px;
}
.timeline-phase {
  position: relative;
  margin-bottom: 36px;
}
.phase-marker {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--brand-light);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: 800;
  color: #fff;
}
.phase-1 { background: var(--brand-light); }
.phase-2 { background: var(--brand-dark); }
.phase-3 { background: linear-gradient(135deg, var(--gold), #e6a200); }
.phase-content {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  margin-left: 12px;
}
.phase-content h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--brand-dark);
}
.phase-content ul {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.9;
}
.phase-content ul li::before { content: '▸ '; color: var(--brand-light); font-weight: 700; }
.phase-target {
  margin-top: 14px;
  padding: 10px 16px;
  background: rgba(var(--brand-light-rgb), 0.06);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--brand-dark);
  font-weight: 600;
}

/* --- Product Flow --- */
.product-flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 0 20px;
  scroll-snap-type: x mandatory;
}
.flow-step {
  min-width: 200px;
  flex: 1;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid;
  scroll-snap-align: start;
  transition: transform 0.25s ease;
}
.flow-step:hover { transform: translateY(-3px); }
.flow-free { border-color: #52b788; }
.flow-paid { border-color: var(--brand-light); }
.flow-core { border-color: var(--gold); }
.flow-long { border-color: #9b5de5; }
.flow-icon { font-size: 2rem; margin-bottom: 8px; }
.flow-step h4 { font-size: 1rem; margin-bottom: 4px; }
.flow-step > p { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px; }
.flow-step ul {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.flow-step ul li::before { content: '· '; color: var(--brand-light); font-weight: 700; }
.flow-arrow {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-muted);
  flex-shrink: 0;
  padding-top: 40px;
}

/* --- Compliance --- */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.compliance-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.compliance-card:hover {
  border-color: rgba(var(--brand-light-rgb), 0.2);
  box-shadow: var(--shadow-md);
}
.comp-icon { font-size: 2rem; margin-bottom: 10px; }
.compliance-card h4 { font-size: 0.98rem; margin-bottom: 6px; }
.compliance-card p { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.6; }

/* --- Suburban --- */
.suburban-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.suburban-district {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--brand-light);
}
.suburban-district h4 {
  font-size: 1rem;
  color: var(--brand-dark);
  margin-bottom: 6px;
}
.suburban-district p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Apply CTA --- */
.apply-section {
  background: linear-gradient(165deg, var(--brand-dark), #0d1833);
  padding: 80px 0;
}
.apply-box {
  text-align: center;
  color: #fff;
  max-width: 560px;
  margin: 0 auto;
}
.apply-box h2 {
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.apply-box > p {
  opacity: 0.75;
  font-size: 0.95rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.apply-qr {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: inline-block;
  margin-bottom: 28px;
}
.apply-qr img {
  border-radius: var(--radius-sm);
  display: block;
  margin: 0 auto 10px;
  background: #fff;
  padding: 8px;
}
.apply-qr p {
  font-size: 0.85rem;
  opacity: 0.7;
  line-height: 1.5;
}
.apply-conditions {
  text-align: left;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 28px;
}
.apply-conditions h4 {
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--brand-light);
}
.apply-conditions ol {
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.9;
  opacity: 0.85;
}

/* --- Footer --- */
.footer {
  background: var(--brand-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 50px 0 30px;
  position: relative;
  overflow: hidden;
}
.footer-wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 50'%3E%3Cpath fill='%231a2d5a' d='M0,50 L1440,50 L1440,0 C1080,40 720,10 360,30 C180,40 0,20 0,20 Z'/%3E%3C/svg%3E") no-repeat top center;
  background-size: cover;
}
.footer-slogan {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brand-light);
  letter-spacing: 3px;
  margin-bottom: 10px;
}
.footer-copy { font-size: 0.78rem; opacity: 0.45; }

/* --- Bottom Bar (Mobile Fixed) --- */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  padding: 10px 20px;
  display: none;
  justify-content: center;
  box-shadow: 0 -2px 16px rgba(0,0,0,0.08);
  z-index: 999;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 80px 16px 100px; }
  .hero h1 { letter-spacing: 1px; }
  .hero-stats { gap: 10px; }
  .stat { padding: 10px 16px; min-width: 74px; }
  .stat-num { font-size: 1.4rem; }
  .section { padding: 48px 0; }
  .fission-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .card-preview { max-width: 300px; margin: 0 auto; }
  .ranking-tiers { grid-template-columns: 1fr; }
  .product-flow { flex-direction: column; }
  .flow-arrow {
    transform: rotate(90deg);
    padding: 0;
    align-self: center;
    font-size: 1.2rem;
  }
  .timeline-phase { margin-bottom: 24px; }
  .phase-content { padding: 18px 18px; margin-left: 6px; }
  .partner-tabs { gap: 8px; }
  .tab-btn { padding: 10px 20px; font-size: 0.87rem; }
  .partner-detail { padding: 22px 18px; }
  .bottom-bar { display: flex; }
  body { padding-bottom: 60px; }
  .apply-box > p br { display: none; }
  .section-header { margin-bottom: 34px; }
  .section-header h2 { font-size: 1.7rem; }
  .section-header p, .section-desc { font-size: 0.9rem; line-height: 1.7; }
  .income-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .battle-track { gap: 8px; }
  .track-step { min-width: 0; padding: 11px 12px; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  .section { padding: 46px 0; }
  .section-header { margin-bottom: 28px; }
  .section-header h2 { font-size: 1.5rem; line-height: 1.3; }
  .section-header h2 small { font-size: 0.82rem; line-height: 1.5; margin-top: 8px; }
  .section-header p, .section-desc { font-size: 0.88rem; line-height: 1.7; }
  /* 统一正文层级与行高，消除"字体大小/行间距凌乱" */
  .why-card h3, .income-card h3, .compliance-card h4, .suburban-district h4,
  .flow-step h4, .partner-detail h4, .apply-conditions h4, .modal-title { font-size: 1.02rem; }
  .why-card p, .compliance-card p, .suburban-district p, .flow-step ul,
  .flow-step > p, .card-features, .benefit-list li, .phase-content ul,
  .phase-content p, .tier-benefits, .meta-item, .ranking-extra,
  .role-pill span, .central-glabel, .apply-form-note, .value-compliance { font-size: 0.88rem; line-height: 1.7; }
  /* 卡片内边距节奏统一 */
  .why-card, .compliance-card, .income-card, .role-pill, .suburban-district,
  .tier, .phase-content, .partner-detail { padding: 22px 18px; }
  .why-icon, .comp-icon, .flow-icon, .income-card .why-icon { font-size: 1.9rem; margin-bottom: 10px; }
  .why-grid { grid-template-columns: 1fr; gap: 16px; }
  .compliance-grid { grid-template-columns: 1fr; gap: 14px; }
  .suburban-grid { grid-template-columns: 1fr; gap: 12px; }
  .partner-meta { flex-direction: column; gap: 8px; }
  .kpi-row label { min-width: 80px; font-size: 0.8rem; }
  .income-grid { grid-template-columns: 1fr; gap: 14px; }
  .battle-section { padding: 42px 0; }
  .battle-track { gap: 6px; }
  .track-step { flex: 1 1 100%; min-width: 0; }
  .track-arrow { transform: rotate(90deg); }
  .fission-card { padding: 24px 18px; }
  .role-band { gap: 12px; }
}

/* ===== Lit Wall (real-time school / community light-up) ===== */
.litwall-section { background: linear-gradient(180deg,#f4f9ff 0%, #ffffff 100%); }
.lit-stats { text-align:center; font-size:1.05rem; color:var(--brand-dark); margin-bottom:22px; font-weight:600; }
.lit-stats strong { color:var(--brand-light); font-size:1.3rem; }
.lit-group { margin-bottom:22px; }
.lit-group h4 { font-size:1rem; color:var(--brand-dark); margin-bottom:12px; }
.lit-wall { display:flex; flex-wrap:wrap; gap:10px; }
.lit-chip {
  display:inline-flex; align-items:center;
  padding:8px 16px; border-radius:999px;
  background:linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-light) 100%);
  color:#fff; font-size:0.9rem; font-weight:600;
  box-shadow:0 4px 14px rgba(var(--brand-light-rgb), 0.28);
  animation: chipPop .35s ease both;
}
@keyframes chipPop { from{opacity:0; transform:scale(.8)} to{opacity:1; transform:scale(1)} }
.lit-empty { color:var(--text-muted); font-size:0.88rem; font-style:italic; }

/* ===== Apply Form ===== */
.apply-form { max-width:520px; margin:0 auto 28px; text-align:left; }
.form-row { margin-bottom:14px; }
.form-row label { display:block; font-size:0.9rem; font-weight:600; color:var(--brand-dark); margin-bottom:6px; }
.form-row .req { color:#e63946; }
.form-row input {
  width:100%; padding:12px 14px; border:1.5px solid #d8e3f0; border-radius:12px;
  font-size:0.95rem; color:#16324f; background:#fff;
  box-sizing:border-box; transition:border-color .2s, box-shadow .2s;
}
.form-row input:focus { outline:none; border-color:var(--brand-light); box-shadow:0 0 0 3px rgba(var(--brand-light-rgb), 0.15); }
.hp-field { position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.form-msg { min-height:1.2em; margin-top:10px; font-size:0.9rem; font-weight:600; text-align:center; }
.apply-grid { display:grid; grid-template-columns:1fr 1fr; gap:0 16px; }
.apply-form-note { font-size:0.8rem; color:var(--text-muted); text-align:center; margin:6px 4px 0; line-height:1.6; }
@media (max-width: 480px) {
  .apply-grid { grid-template-columns:1fr; gap:0; }
}
.form-ok { color:#2d9e5b; }
.form-err { color:#e63946; }

.apply-contact { display:flex; flex-wrap:wrap; gap:24px; justify-content:center; align-items:center; margin-top:8px; }
.apply-contact .apply-conditions { flex:1; min-width:220px; text-align:left; }
.apply-contact .apply-conditions ol { margin:8px 0 0; padding-left:20px; }
.apply-contact .apply-conditions li { margin-bottom:6px; font-size:0.9rem; color:#2a3f5a; }

/* ===== Lit Wall chips with count ===== */
.lit-stats { text-align:center; font-size:1.05rem; color:var(--brand-dark); margin:-6px 0 22px; font-weight:600; }
.lit-stats strong { color:var(--brand-light); font-size:1.25rem; }
.lit-group { margin-bottom:24px; }
.lit-group h4 { color:var(--brand-dark); margin:0 0 12px; font-size:1.05rem; }
.lit-wall { display:flex; flex-wrap:wrap; gap:10px; }
.lit-chip {
  display:inline-flex; align-items:center; gap:8px;
  padding:9px 14px; border-radius:999px;
  background:linear-gradient(135deg, var(--brand-dark), #27407a);
  color:#fff; font-size:0.92rem; font-weight:600;
  box-shadow:0 4px 12px rgba(26,45,90,0.18);
}
.lit-chip .lit-name { white-space:nowrap; }
.lit-chip .lit-badge {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:42px; padding:2px 8px; border-radius:999px;
  background:var(--brand-light); color:var(--brand-dark);
  font-size:0.78rem; font-weight:700;
}
.lit-empty { color:#8aa0bd; font-size:0.9rem; margin:0; }

/* clickable chip => 家长可点进去登记加入 */
.lit-chip.clickable { cursor:pointer; transition:transform .15s ease, box-shadow .15s ease; }
.lit-chip.clickable:hover { transform:translateY(-2px); box-shadow:0 6px 18px rgba(var(--brand-light-rgb),0.42); }
.lit-chip .lit-ico { font-size:0.85em; margin-right:2px; }
.lit-chip .lit-plus {
  display:inline-flex; align-items:center; justify-content:center;
  width:18px; height:18px; margin-left:2px; border-radius:50%;
  background:rgba(255,255,255,0.25); font-size:0.8rem; font-weight:700;
}

/* ===== Join Modal ===== */
.modal { position:fixed; inset:0; z-index:999; display:flex; align-items:center; justify-content:center; padding:20px; }
.modal[hidden] { display:none; }
.modal-overlay { position:absolute; inset:0; background:rgba(13,24,51,0.55); backdrop-filter:blur(2px); }
.modal-box {
  position:relative; z-index:1; width:100%; max-width:420px;
  background:#fff; border-radius:var(--radius-lg); padding:28px 24px 24px;
  box-shadow:var(--shadow-lg); animation:modalPop .25s ease both;
}
@keyframes modalPop { from{opacity:0; transform:translateY(16px) scale(.97)} to{opacity:1; transform:none} }
.modal-close {
  position:absolute; top:12px; right:14px; border:0; background:transparent;
  font-size:1.6rem; line-height:1; color:#9aa5b8; cursor:pointer;
}
.modal-close:hover { color:var(--brand-dark); }
.modal-badge {
  width:54px; height:54px; margin:0 auto 10px; border-radius:50%;
  background:linear-gradient(135deg, var(--brand-dark), var(--brand-light));
  display:flex; align-items:center; justify-content:center; font-size:1.5rem;
}
.modal-title { text-align:center; color:var(--brand-dark); font-size:1.2rem; margin-bottom:6px; }
.modal-sub { text-align:center; color:var(--text-secondary); font-size:0.88rem; margin-bottom:18px; }
.join-form .form-row { margin-bottom:14px; }
.join-form .form-row label { display:block; font-size:0.9rem; font-weight:600; color:var(--brand-dark); margin-bottom:6px; }
.join-form .form-row .req { color:#e63946; }
.join-form input[type=text] {
  width:100%; padding:12px 14px; border:1.5px solid #d8e3f0; border-radius:12px;
  font-size:0.95rem; color:#16324f; background:#fff; box-sizing:border-box;
  transition:border-color .2s, box-shadow .2s;
}
.join-form input[type=text]:focus { outline:none; border-color:var(--brand-light); box-shadow:0 0 0 3px rgba(var(--brand-light-rgb),0.15); }
.join-form .btn-block { margin-top:6px; }

/* ===== Toast ===== */
.toast {
  position:fixed; left:50%; bottom:88px; transform:translateX(-50%) translateY(10px);
  z-index:1000; max-width:88%; padding:12px 20px; border-radius:999px;
  font-size:0.92rem; font-weight:600; color:#fff; text-align:center;
  box-shadow:var(--shadow-md); opacity:0; transition:opacity .25s, transform .25s;
}
.toast[hidden] { display:none; }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast-ok { background:linear-gradient(135deg, #2d9e5b, #52b788); }
.toast-err { background:linear-gradient(135deg, #e63946, #ff6b6b); }

/* ===== 中心城区市场 ===== */
.central-section .central-filter { max-width:520px; margin:0 auto 22px; }
.central-search {
  width:100%; padding:12px 16px; border:1.5px solid #d8e3f0; border-radius:999px;
  font-size:0.95rem; color:#16324f; background:#fff; box-sizing:border-box;
  transition:border-color .2s, box-shadow .2s;
}
.central-search:focus { outline:none; border-color:var(--brand-light); box-shadow:0 0 0 3px rgba(var(--brand-light-rgb),0.15); }
.central-district { margin-bottom:22px; text-align:left; }
.central-dist-title {
  font-size:1.02rem; color:var(--brand-dark); margin:0 0 12px; padding-left:12px;
  border-left:4px solid var(--brand-light);
}
.central-group { margin-bottom:16px; }
.central-glabel { font-size:0.85rem; color:var(--text-secondary); margin:0 0 8px; font-weight:600; }
.central-note { text-align:center; color:var(--text-muted); font-size:0.82rem; margin-top:8px; line-height:1.6; }
.lit-chip.is-lit { background:linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-light) 100%); }
.lit-chip.add-chip {
  cursor:pointer; background:transparent; color:var(--brand-light);
  border:1.5px dashed var(--brand-light); box-shadow:none; font-weight:600;
}
.lit-chip.add-chip:hover { background:rgba(var(--brand-light-rgb),0.10); }

/* ===== 家长合伙人可以获得什么 ===== */
.value-section { background:linear-gradient(180deg, #f4f8fd 0%, #eef4fb 100%); }
.role-band {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:16px; max-width:820px; margin:0 auto 36px;
}
.role-pill {
  display:flex; align-items:center; gap:14px; background:#fff;
  border:1px solid rgba(var(--brand-light-rgb),0.25);
  border-radius:16px; padding:18px 20px; box-shadow:var(--shadow-sm);
  text-align:left;
}
.role-ico {
  font-size:1.8rem; flex-shrink:0; width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, var(--brand-dark), var(--brand-light));
}
.role-pill strong { display:block; font-size:1rem; color:var(--text-primary); margin-bottom:3px; }
.role-pill span { font-size:0.84rem; color:var(--text-secondary); line-height:1.55; }

.income-grid { margin-bottom:8px; display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; }
.grid-3 { grid-template-columns:repeat(auto-fit, minmax(240px, 1fr)); }
.income-card { border-top:3px solid var(--brand-light); }
.income-card .why-icon { font-size:2rem; }
.income-card h3 { color:var(--brand-dark); }

.value-compliance {
  text-align:center; max-width:760px; margin:28px auto 0;
  font-size:0.86rem; color:var(--text-secondary); line-height:1.7;
  background:#fff; border:1px dashed rgba(var(--brand-dark-rgb),0.25);
  border-radius:14px; padding:14px 18px;
}

/* ===== 信任条：国企背景背书 ===== */
.trust-bar {
  display:flex; align-items:center; justify-content:center; gap:10px;
  background:#fff; border-bottom:1px solid var(--border-color);
  padding:13px 20px; text-align:center;
}
.trust-ico { font-size:1.3rem; flex-shrink:0; line-height:1; }
.trust-bar p { margin:0; font-size:0.85rem; color:var(--text-secondary); line-height:1.6; }
.trust-bar strong { color:var(--brand-dark); font-weight:700; }

/* ===== 战斗口号横幅 ===== */
.battle-section {
  background:linear-gradient(135deg, var(--brand-dark) 0%, #0d1833 60%, #162d54 100%);
  color:#fff; text-align:center; padding:58px 0; position:relative; overflow:hidden;
}
.battle-section::before {
  content:''; position:absolute; top:-60px; right:-60px; width:220px; height:220px;
  background:radial-gradient(circle, rgba(var(--brand-light-rgb),0.18), transparent 70%); border-radius:50%;
}
.battle-kicker {
  font-size:0.85rem; letter-spacing:3px; color:var(--brand-light); font-weight:700;
  margin-bottom:14px; position:relative; z-index:1;
}
.battle-slogan {
  font-size:clamp(1.9rem, 7vw, 3rem); font-weight:900; line-height:1.25;
  margin-bottom:16px; position:relative; z-index:1;
}
.battle-num {
  background:linear-gradient(135deg, var(--brand-light), #48cae4);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  animation:numPulse 2.2s ease-in-out infinite; display:inline-block;
}
@keyframes numPulse { 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.07); } }
.battle-desc {
  max-width:640px; margin:0 auto 28px; font-size:0.98rem; line-height:1.85;
  color:rgba(255,255,255,0.82); position:relative; z-index:1;
}
.battle-desc strong { color:var(--brand-light); font-weight:700; }
.battle-track {
  display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap;
  position:relative; z-index:1;
}
.track-step {
  background:rgba(255,255,255,0.08); border:1px solid rgba(var(--brand-light-rgb),0.3);
  border-radius:14px; padding:12px 18px; min-width:120px;
}
.track-step strong { display:block; font-size:1.05rem; color:#fff; }
.track-step small { display:block; font-size:0.78rem; color:rgba(255,255,255,0.6); margin-top:2px; }
.track-arrow { color:var(--brand-light); font-size:1.4rem; font-weight:800; }

/* ===== 飞书入驻卡片样式已弃用（站点切回站内自建表单） ===== */

@media (max-width: 480px) {
  .lit-chip { font-size:0.85rem; padding:8px 12px; }
  .central-dist-title { font-size:0.96rem; }
}