:root {
  --bg-dark: #070d0b;
  --bg-dark-card: #0d1613;
  --bg-dark-elevated: #13201c;
  --green-primary: #10b981;
  --green-glow: rgba(16, 185, 129, 0.2);
  --gold-primary: #d4a34b;
  --gold-light: #f5cf82;
  --text-primary: #f7f6f2;
  --text-secondary: #c0c7c2;
  --text-muted: #79857d;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(212, 163, 75, 0.25);
  --border-green: rgba(16, 185, 129, 0.3);
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* 背景纹理微光 */
.landing-light {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 80% 5%, rgba(16, 185, 129, 0.12), transparent 35%),
    radial-gradient(circle at 15% 15%, rgba(212, 163, 75, 0.08), transparent 30%),
    linear-gradient(180deg, #070d0b 0%, #0b1310 40%, #09100d 100%);
}

/* 顶栏 Navigation */
.light-nav {
  width: min(1280px, calc(100% - 64px));
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.light-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-crest {
  width: 34px;
  height: 34px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--border-green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-primary);
  font-size: 20px;
}

.brand-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-title span {
  color: var(--gold-light);
}

.brand-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-light);
  background: rgba(212, 163, 75, 0.12);
  border: 1px solid var(--border-gold);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.light-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.light-menu a:hover {
  color: var(--green-primary);
  transition: color 0.2s;
}

.nav-cta,
.green-btn {
  background: var(--green-primary);
  color: #05140e;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.25);
  transition: all 0.2s;
  cursor: pointer;
  border: 0;
}

.nav-cta:hover,
.green-btn:hover {
  background: #34d399;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

.outline-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.outline-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.light-hero {
  width: min(1280px, calc(100% - 64px));
  margin: 60px auto 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--green-primary);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--border-green);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-text h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 20px;
}

.hl-gradient {
  background: linear-gradient(90deg, #10b981 0%, #f5cf82 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 32px;
}

.light-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 36px;
}

.trusted-grid {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-item i {
  color: var(--green-primary);
}

/* Hero 右侧：真实比赛数据实机卡片切片 */
.hero-product {
  position: relative;
}

.data-live-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.data-live-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-primary), var(--gold-primary));
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.league-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.live-pill {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fb7185;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot-pulse {
  width: 6px;
  height: 6px;
  background: #f43f5e;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.api-status-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--green-primary);
  background: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 记分板 */
.scoreboard-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.team-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.team-crest {
  width: 48px;
  height: 48px;
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.team-block.home .team-crest {
  border-color: var(--border-green);
  color: var(--green-primary);
}

.team-block.away .team-crest {
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
}

.team-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.team-form {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

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

.score-num {
  font-size: 38px;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.score-sep {
  font-size: 20px;
  color: var(--text-muted);
  font-weight: 700;
}

/* 时序 动态胜率全景带 */
.data-feature-box {
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.feature-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 11px;
}

.feature-label {
  font-weight: 700;
  color: var(--gold-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-confidence {
  font-family: var(--font-mono);
  color: var(--green-primary);
}

.prob-spectrum-bar {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 8px;
}

.bar-fill.home { background: linear-gradient(90deg, #10b981, #059669); }
.bar-fill.draw { background: #475569; }
.bar-fill.away { background: linear-gradient(90deg, #f43f5e, #e11d48); }

.prob-numbers {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
}

.txt-home { color: #34d399; }
.txt-draw { color: #94a3b8; }
.txt-away { color: #fb7185; }

/* xG 与进攻压制双网格 */
.stats-twin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.twin-item {
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
}

.twin-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-highlight {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.mini-progress-track {
  display: flex;
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
}

.track-home { background: var(--green-primary); }
.track-away { background: #f43f5e; }

.card-footer-feed {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-top: 1px dashed var(--border-subtle);
  padding-top: 12px;
}

.card-footer-feed code {
  color: var(--gold-light);
}

.card-footer-feed strong {
  color: var(--green-primary);
}

/* 赛事覆盖 Section */
.coverage-band {
  width: min(1280px, calc(100% - 64px));
  margin: 80px auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 48px;
}

.small-kicker {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--green-primary);
  margin-bottom: 12px;
}

.small-kicker.center {
  text-align: center;
}

.coverage-copy h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 16px;
}

.coverage-copy p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 关键数据条 Proof Row */
.proof-row {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.proof-row article {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
}

.proof-row article strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--gold-light);
  margin-bottom: 6px;
}

.proof-row article span {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* 4 大核心应用场景 */
.light-section {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto 100px;
}

.section-center-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-center-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.section-sub-desc {
  font-size: 15px;
  color: var(--text-secondary);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.usecase-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  transition: all 0.2s;
}

.usecase-card:hover {
  border-color: var(--border-green);
  transform: translateY(-2px);
}

.uc-icon {
  width: 44px;
  height: 44px;
  background: rgba(16, 185, 129, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-primary);
  font-size: 22px;
  margin-bottom: 16px;
}

.uc-index {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.15);
}

.usecase-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.usecase-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.uc-features {
  list-style: none;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.uc-features li {
  margin-bottom: 6px;
  position: relative;
  padding-left: 14px;
}

.uc-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--green-primary);
}

/* 交付方案 Delivery Panel */
.delivery-panel {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto 100px;
}

.delivery-copy {
  text-align: center;
}

.delivery-copy h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.delivery-copy p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.plan-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.plan-box {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 32px 28px;
  position: relative;
  transition: all 0.2s;
}

.plan-box:hover {
  border-color: var(--border-gold);
}

.plan-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-light);
  background: rgba(212, 163, 75, 0.15);
  border: 1px solid var(--border-gold);
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 16px;
}

.plan-box h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.plan-box p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.plan-box ul {
  list-style: none;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.plan-box li {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-box li i {
  color: var(--green-primary);
  font-size: 15px;
}

/* 商务合作与留资 Contact Section */
.light-contact {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto 80px;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  padding: 48px;
}

.contact-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-light);
  background: rgba(212, 163, 75, 0.12);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.contact-header h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.contact-header p {
  font-size: 15px;
  color: var(--text-secondary);
}

.contact-action-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
}

.lead-form-wrap {
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px;
}

.form-row {
  margin-bottom: 18px;
}

.form-row label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: #fff;
  font-family: inherit;
  font-size: 13.5px;
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--green-primary);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  justify-content: center;
}

.form-success {
  margin-top: 14px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--green-primary);
  color: #34d399;
  font-size: 13px;
  font-weight: 600;
  padding: 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 官方直连通道卡片 */
.contact-direct-card {
  background: var(--bg-dark-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.contact-direct-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.channel-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 16px;
  transition: all 0.2s;
}

.channel-item:hover {
  border-color: var(--border-gold);
  background: rgba(212, 163, 75, 0.08);
}

.ch-icon {
  width: 36px;
  height: 36px;
  background: rgba(212, 163, 75, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-size: 18px;
}

.ch-info strong {
  display: block;
  font-size: 13.5px;
  color: #fff;
}

.ch-info span {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.service-promise {
  margin-top: auto;
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px dashed var(--border-subtle);
  padding-top: 14px;
}

/* 页脚 Footer */
.landing-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
  background: #050a08;
}

.footer-inner {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand strong {
  font-size: 18px;
  color: #fff;
}

.footer-brand p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--green-primary);
}

.footer-copyright {
  width: 100%;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 20px;
  margin-top: 10px;
  text-align: center;
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .light-hero {
    grid-template-columns: 1fr;
  }
  .proof-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .plan-cards-grid {
    grid-template-columns: 1fr;
  }
  .contact-action-layout {
    grid-template-columns: 1fr;
  }
  .coverage-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .light-nav {
    height: auto;
    padding: 16px 0;
    flex-wrap: wrap;
    gap: 12px;
  }
  .light-menu {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 18px;
  }
  .hero-text h1 {
    font-size: 32px;
  }
  .proof-row {
    grid-template-columns: 1fr;
  }
  .usecase-grid {
    grid-template-columns: 1fr;
  }
  .scoreboard-row {
    gap: 8px;
  }
  .score-num {
    font-size: 26px;
    padding: 2px 8px;
  }
}