/* ============================================
   官网前台样式 - 商业化落地页
   ============================================ */

.lp-nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 14, 37, 0.7);
  border-bottom: 1px solid var(--c-border);
}
.lp-nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.lp-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 0.5px;
}
.lp-logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--c-orange) 0%, var(--c-purple) 100%);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
}
.lp-logo-mark svg { width: 18px; height: 18px; color: #fff; }
.lp-nav-links { display: flex; gap: 32px; align-items: center; }
.lp-nav-links a { color: var(--c-text-2); font-size: 14px; }
.lp-nav-links a:hover { color: #fff; }
.lp-nav-cta { display: flex; gap: 12px; }

.lp-hero {
  max-width: 1280px; margin: 0 auto; padding: 80px 32px 100px;
  position: relative;
}
.lp-hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.lp-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(25, 212, 200, 0.12);
  color: var(--c-cyan-2);
  padding: 6px 14px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  border: 1px solid rgba(25, 212, 200, 0.25);
}
.lp-h1 {
  font-size: 56px; font-weight: 800; line-height: 1.15;
  margin: 24px 0;
  background: linear-gradient(120deg, #fff 0%, #c0a4ff 50%, var(--c-cyan-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.lp-sub { font-size: 18px; color: var(--c-text-2); margin-bottom: 36px; line-height: 1.7; }
.lp-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.lp-cta .btn { padding: 14px 28px; font-size: 15px; }

.lp-hero-visual {
  position: relative;
  aspect-ratio: 1.1 / 1;
  background: linear-gradient(135deg, rgba(155, 107, 255, 0.18) 0%, rgba(25, 212, 200, 0.12) 100%);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), inset 0 0 0 1px var(--c-border-strong);
  overflow: hidden;
}
.lp-hero-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 107, 53, 0.25), transparent 50%);
}
.lp-mock-window {
  position: relative; background: rgba(10, 14, 37, 0.95);
  border-radius: 14px; height: 100%;
  border: 1px solid var(--c-border-strong);
  overflow: hidden;
}
.lp-mock-bar {
  height: 32px; background: rgba(10, 14, 37, 0.8);
  display: flex; align-items: center; padding: 0 14px;
  border-bottom: 1px solid var(--c-border);
}
.lp-mock-dot { width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.lp-mock-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.lp-mock-card {
  padding: 14px; border-radius: 10px;
  border-left: 3px solid var(--c-orange);
  background: rgba(255, 107, 53, 0.08);
  display: flex; justify-content: space-between; align-items: center;
}
.lp-mock-card.cy { border-color: var(--c-cyan); background: rgba(25, 212, 200, 0.08); }
.lp-mock-card.pu { border-color: var(--c-purple); background: rgba(155, 107, 255, 0.08); }
.lp-mock-title { font-size: 13px; font-weight: 600; }
.lp-mock-meta { font-size: 11px; color: var(--c-text-3); margin-top: 2px; }
.lp-mock-day { font-family: var(--font-mono); font-size: 16px; font-weight: 700; }

.lp-section { max-width: 1280px; margin: 0 auto; padding: 80px 32px; }
.lp-section-head { text-align: center; margin-bottom: 60px; }
.lp-section-eyebrow { color: var(--c-cyan-2); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.lp-section-h2 { font-size: 40px; font-weight: 700; margin: 0 0 16px; }
.lp-section-sub { color: var(--c-text-2); font-size: 16px; }

.lp-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lp-feature {
  background: var(--c-panel);
  padding: 32px; border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  position: relative; overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.lp-feature:hover { transform: translateY(-4px); border-color: var(--c-border-strong); }
.lp-feature::after {
  content: ''; position: absolute; top: -40%; right: -40%; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.15), transparent 70%);
}
.lp-feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(155, 107, 255, 0.2));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.lp-feature-icon svg { width: 24px; height: 24px; color: var(--c-orange-2); }
.lp-feature h3 { font-size: 20px; margin: 0 0 10px; }
.lp-feature p { color: var(--c-text-2); margin: 0; line-height: 1.7; }

.lp-channel-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.lp-channel {
  text-align: center; padding: 30px; border-radius: var(--radius);
  background: var(--c-panel); border: 1px solid var(--c-border);
}
.lp-channel-icon {
  width: 64px; height: 64px; border-radius: 50%;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--c-orange), #ff8a5b);
  display: flex; align-items: center; justify-content: center;
}
.lp-channel.email .lp-channel-icon { background: linear-gradient(135deg, var(--c-cyan), var(--c-cyan-2)); }
.lp-channel.wechat .lp-channel-icon { background: linear-gradient(135deg, var(--c-success), #5beac0); }
.lp-channel-icon svg { width: 28px; height: 28px; color: #fff; }
.lp-channel h4 { margin: 0 0 6px; font-size: 18px; }
.lp-channel p { color: var(--c-text-3); margin: 0; font-size: 13px; }

.lp-price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lp-price {
  background: var(--c-panel); padding: 36px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--c-border); position: relative;
}
.lp-price.recommended {
  background: linear-gradient(180deg, rgba(255, 107, 53, 0.15) 0%, var(--c-panel) 60%);
  border-color: var(--c-orange);
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(255, 107, 53, 0.25);
}
.lp-price-badge {
  position: absolute; top: -12px; right: 24px;
  background: linear-gradient(135deg, var(--c-orange), #ff8a5b);
  color: #fff; padding: 4px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
}
.lp-price-name { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.lp-price-desc { color: var(--c-text-3); font-size: 13px; min-height: 38px; }
.lp-price-money { margin: 24px 0; display: flex; align-items: baseline; gap: 4px; }
.lp-price-money .num { font-size: 44px; font-weight: 800; color: #fff; }
.lp-price-money .unit { color: var(--c-text-3); font-size: 14px; }
.lp-price ul { list-style: none; padding: 0; margin: 0 0 28px; }
.lp-price li { padding: 8px 0; color: var(--c-text-2); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.lp-price li::before { content: '✓'; color: var(--c-success); font-weight: bold; }
.lp-price li.dim { color: var(--c-text-3); }
.lp-price li.dim::before { content: '·'; color: var(--c-text-3); }

.lp-faq { max-width: 800px; margin: 0 auto; }
.lp-faq-item {
  background: var(--c-panel); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 12px; cursor: pointer;
  border: 1px solid var(--c-border);
}
.lp-faq-q { font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.lp-faq-q::after { content: '+'; font-size: 20px; color: var(--c-orange); transition: transform .2s; }
.lp-faq-item.open .lp-faq-q::after { transform: rotate(45deg); }
.lp-faq-a { color: var(--c-text-2); margin-top: 12px; line-height: 1.7; display: none; }
.lp-faq-item.open .lp-faq-a { display: block; }

.lp-cta-section {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12) 0%, rgba(155, 107, 255, 0.12) 100%);
  border-radius: 32px; padding: 60px;
  text-align: center; margin: 80px 32px;
  border: 1px solid var(--c-border-strong);
}
.lp-cta-section h2 { font-size: 36px; margin: 0 0 12px; }
.lp-cta-section p { color: var(--c-text-2); font-size: 16px; margin: 0 0 28px; }

.lp-footer {
  border-top: 1px solid var(--c-border);
  padding: 40px 32px;
  text-align: center;
  color: var(--c-text-3);
  font-size: 13px;
}
.lp-footer a { color: var(--c-text-2); margin: 0 12px; }

@media (max-width: 900px) {
  .lp-hero-grid, .lp-feature-grid, .lp-channel-row, .lp-price-grid { grid-template-columns: 1fr; }
  .lp-h1 { font-size: 38px; }
  .lp-section-h2 { font-size: 28px; }
  .lp-price.recommended { transform: none; }
  .lp-nav-links { display: none; }
}