/* landing.css — 嗨森团发稿平台落地页（路由 /）
 * 仅服务于 home.phtml，全部引用 design-token 变量。
 * 约束：无紫粉渐变、无 emoji、无硬编码颜色（白字按钮例外见 --color-on-primary）。
 * v2 视觉升级：Stripe/Linear 深色 Hero + 编辑型分区 + AI 诊断深色带 + 价格透明条 + 快讯 ticker。
 * 所有新颜色以 C-extension Token 定义在 :root，组件内一律 var() 引用。
 */

/* ===================== C-extension 首页专属 Token ===================== */
:root {
  /* Hero 展示字号（A1-structure 派生，clamp 覆盖 640→桌面） */
  --text-hero: clamp(34px, 5.2vw, 54px);

  /* Hero 深海军蓝背景层（品牌蓝系，非紫粉） */
  --color-hero-bg-top:    #16233F;
  --color-hero-bg-mid:    #0C1424;
  --color-hero-bg-bottom: #070B14;
  --color-hero-text:      #F8FAFC;
  --color-hero-text-sub:  rgba(226,232,240,0.78);
  --color-hero-muted:     rgba(148,163,184,0.85);
  --color-hero-border:    rgba(148,163,184,0.18);
  --color-hero-eyebrow-bg:    rgba(255,255,255,0.08);
  --color-hero-eyebrow-border: rgba(148,163,184,0.28);
  --color-hero-eyebrow-text:  #BFE3FF;
  --color-hero-eyebrow-icon:  #7DD3FC;

  /* Hero 光效（蓝→青，同品牌色系） */
  --color-glow-blue:  rgba(59,130,246,0.55);
  --color-glow-blue-0: rgba(59,130,246,0);
  --color-glow-cyan:  rgba(6,182,212,0.5);
  --color-glow-cyan-0: rgba(6,182,212,0);
  --color-beam-sky:   rgba(56,189,248,0.85);
  --color-beam-sky-0: rgba(56,189,248,0);
  --color-beam-blue:  rgba(96,165,250,0.7);
  --color-beam-blue-0: rgba(96,165,250,0);

  /* AI 可见度诊断深色带 */
  --color-diag-bg-top:    #0E1A30;
  --color-diag-bg-bottom: #081020;
  --color-diag-glow-blue: rgba(59,130,246,0.18);
  --color-diag-glow-cyan: rgba(6,182,212,0.16);
  --color-diag-surface:   rgba(255,255,255,0.04);
  --color-diag-border:    rgba(148,163,184,0.18);
  --color-diag-text:      #E2E8F0;
  --color-diag-muted:     rgba(148,163,184,0.9);
  --color-diag-chip-bg:   rgba(255,255,255,0.05);

  /* 快讯 ticker */
  --color-ticker-bg: #0A0F1A;

  /* 慢动效（预览卡光条等局部长过渡，A2 派生） */
  --motion-slow: 320ms;

  /* 预览卡流光 / 价格条强调 */
  --color-card-glow:       rgba(34,211,238,0.20);
  --color-card-glow-strong: rgba(14,165,233,0.5);
  --color-price-accent:    #06B6D4;

  /* 按钮呼吸光晕 + Hero 卡投影（品牌蓝系） */
  --color-btn-glow-0:   rgba(59,130,246,0.0);
  --color-btn-glow-soft: rgba(59,130,246,0.28);
  --color-btn-glow-base: rgba(59,130,246,0.5);
  --color-hero-card-shadow: rgba(2,6,23,0.8);
}

.lp-wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===================== Hero ===================== */
.lp-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 130% at 12% -10%, var(--color-hero-bg-top) 0%, var(--color-hero-bg-mid) 52%, var(--color-hero-bg-bottom) 100%);
  border-bottom: 1px solid var(--color-hero-border);
  padding: var(--space-16) 0 var(--space-12);
}
.lp-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-12);
  align-items: center;
}
.lp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 510;
  text-decoration: none;
}
.lp-eyebrow svg { color: var(--color-primary); }
.lp-title {
  margin: var(--space-5) 0 0;
  font-size: var(--text-hero);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--color-hero-text);
  font-weight: 680;
}
.lp-sub {
  margin: var(--space-5) 0 0;
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 30em;
}
.lp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.lp-trust {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-hero-border);
}
.lp-trust-item { display: flex; flex-direction: column; }
.lp-trust-item strong {
  font-size: var(--text-2xl);
  color: var(--color-hero-text);
  font-weight: 680;
}
.lp-trust-item span {
  font-size: var(--text-sm);
  color: var(--color-hero-muted);
  margin-top: 2px;
}

/* Hero 示意卡片：顶部光晕 + 悬浮微动 */
.lp-hero-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  animation: lpCardFloat 6s ease-in-out infinite;
}
.lp-hero-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 12%; right: 12%;
  height: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-glow-blue-0), var(--color-glow-blue) 30%, var(--color-glow-cyan) 70%, var(--color-glow-cyan-0));
  opacity: 0.9;
}
.lp-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-soft);
}
.lp-card-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success);
}
.lp-card-id {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 510;
}
.lp-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 510;
}
.lp-badge-ok { background: var(--color-success-soft); color: var(--color-success-strong); }
.lp-card-row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border-soft);
}
.lp-card-k { color: var(--color-text-muted); width: 3em; flex: none; }
.lp-card-v { color: var(--color-fg); }
.lp-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lp-card-foot {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-4);
}
.lp-card-stat { display: flex; flex-direction: column; }
.lp-card-stat strong { font-size: var(--text-lg); color: var(--color-fg); font-weight: 590; }
.lp-card-stat span { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }

/* ===================== 快讯 ticker（Hero 下方装饰条） ===================== */
.lp-ticker {
  background: var(--color-ticker-bg);
  border-bottom: 1px solid var(--color-hero-border);
  overflow: hidden;
  padding: 10px 0;
  position: relative;
}
.lp-ticker-track {
  display: flex;
  gap: var(--space-10);
  width: max-content;
  white-space: nowrap;
  animation: lpMarquee 36s linear infinite;
}
.lp-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-diag-muted);
  font-size: var(--text-sm);
  font-weight: 510;
}
.lp-ticker-item::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--color-price-accent);
  flex: none;
}
@keyframes lpMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===================== 通用 section ===================== */
.lp-section { padding: var(--space-16) 0; }
.lp-section-alt { background: var(--color-surface-2); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.lp-section-head { text-align: center; max-width: 40em; margin: 0 auto var(--space-10); }
.lp-section-head-left { text-align: left; margin-left: 0; }
.lp-section-head h2 {
  font-size: var(--text-3xl);
  color: var(--color-fg);
  font-weight: 680;
  letter-spacing: -0.01em;
}
.lp-section-head p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===================== 功能网格 ===================== */
.lp-grid { display: grid; gap: var(--space-5); }
.lp-grid-4 { grid-template-columns: repeat(4, 1fr); }
.lp-grid-3 { grid-template-columns: repeat(3, 1fr); }
.lp-feature, .lp-cat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--motion-base) var(--motion-ease),
              transform var(--motion-base) var(--motion-ease),
              border-color var(--motion-base) var(--motion-ease);
}
.lp-feature:hover, .lp-cat:hover {
  box-shadow: var(--shadow-raised);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.lp-feature-ic, .lp-cat-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.lp-feature h3, .lp-cat h3 {
  font-size: var(--text-lg);
  color: var(--color-fg);
  font-weight: 590;
  margin: 0 0 var(--space-2);
}
.lp-feature p, .lp-cat p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ===================== 步骤 ===================== */
.lp-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.lp-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.lp-step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
  margin-bottom: var(--space-4);
}
.lp-step h3 { font-size: var(--text-lg); color: var(--color-fg); font-weight: 590; margin: 0 0 var(--space-2); }
.lp-step p { margin: 0; font-size: var(--text-sm); line-height: 1.65; color: var(--color-text-secondary); }

/* ===================== AI 可见度诊断深色带 ===================== */
.lp-diag {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(90% 130% at 88% -12%, var(--color-diag-glow-cyan) 0%, transparent 55%),
    radial-gradient(90% 130% at -4% 112%, var(--color-diag-glow-blue) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-diag-bg-top) 0%, var(--color-diag-bg-bottom) 100%);
  border-top: 1px solid var(--color-hero-border);
  border-bottom: 1px solid var(--color-hero-border);
  padding: var(--space-16) 0;
}
.lp-diag-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-12);
  align-items: center;
}
.lp-eyebrow-dark {
  background: var(--color-diag-surface);
  border-color: var(--color-hero-eyebrow-border);
  color: var(--color-hero-eyebrow-text);
}
.lp-eyebrow-dark svg { color: var(--color-hero-eyebrow-icon); }
.lp-diag-copy h2 {
  margin: var(--space-5) 0 0;
  font-size: var(--text-3xl);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-hero-text);
  font-weight: 680;
}
.lp-diag-copy > p {
  margin: var(--space-4) 0 0;
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-diag-text);
  max-width: 32em;
}
.lp-diag-points {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.lp-diag-points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-diag-text);
}
.lp-diag-points svg { color: var(--color-price-accent); flex: none; }
.lp-diag .lp-actions { margin-top: var(--space-8); }
.btn-dark {
  background: var(--color-diag-surface);
  color: var(--color-hero-text);
  border-color: var(--color-hero-eyebrow-border);
}
.btn-dark:hover { background: var(--color-diag-chip-bg); color: var(--color-hero-text); }
.btn-dark svg { color: var(--color-hero-eyebrow-icon); }

/* 诊断右侧：平台 chips + 报告模拟卡 */
.lp-diag-visual { display: flex; flex-direction: column; gap: var(--space-5); }
.lp-diag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.lp-diag-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-diag-chip-bg);
  border: 1px solid var(--color-hero-eyebrow-border);
  color: var(--color-diag-text);
  font-size: var(--text-sm);
  font-weight: 510;
}
.lp-diag-chip svg { color: var(--color-hero-eyebrow-icon); margin-right: 6px; }
.lp-diag-card {
  background: var(--color-diag-surface);
  border: 1px solid var(--color-diag-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.lp-diag-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-diag-border);
  color: var(--color-hero-text);
  font-size: var(--text-sm);
  font-weight: 590;
}
.lp-diag-card-head svg { color: var(--color-price-accent); }
.lp-diag-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-diag-border);
  font-size: var(--text-sm);
}
.lp-diag-card-row:last-of-type { border-bottom: 0; }
.lp-diag-card-k { color: var(--color-diag-muted); flex: none; }
.lp-diag-bar {
  flex: 1;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-diag-chip-bg);
  overflow: hidden;
}
.lp-diag-bar-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-price-accent));
}
.lp-diag-card-v { color: var(--color-hero-text); font-weight: 560; font-family: var(--font-mono); font-size: var(--text-sm); }
.lp-diag-card-foot {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-diag-border);
  color: var(--color-diag-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ===================== 价格透明条 ===================== */
.lp-price { padding: var(--space-16) 0; }
.lp-price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.lp-price-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--motion-base) var(--motion-ease),
              transform var(--motion-base) var(--motion-ease),
              border-color var(--motion-base) var(--motion-ease);
}
.lp-price-card:hover {
  box-shadow: var(--shadow-raised);
  transform: translateY(-3px);
  border-color: var(--color-price-accent);
}
.lp-price-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.lp-price-card h3 { font-size: var(--text-lg); color: var(--color-fg); font-weight: 590; margin: 0 0 var(--space-2); }
.lp-price-card p { margin: 0; font-size: var(--text-sm); line-height: 1.65; color: var(--color-text-secondary); flex: 1; }
.lp-price-example {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.lp-price-example-name {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.lp-price-example-num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 700;
  flex: none;
}
.lp-price-note {
  margin: var(--space-5) 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.lp-price-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 590;
  color: var(--color-primary);
}
.lp-price-go svg { color: var(--color-primary); }

/* ===================== 末尾 CTA ===================== */
.lp-cta { padding: var(--space-16) 0; }
.lp-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-12);
}
.lp-cta-inner h2 { color: var(--color-on-primary); font-size: var(--text-2xl); font-weight: 680; margin: 0; }
.lp-cta-inner p { color: rgba(255,255,255,0.85); margin: var(--space-2) 0 0; font-size: var(--text-md); }
.lp-cta-inner .btn-primary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
  flex: none;
}
.lp-cta-inner .btn-primary:hover { background: var(--color-surface-2); }
.lp-cta-inner .btn-primary svg { color: var(--color-primary); }

/* ===================== 响应式 ===================== */
@media (max-width: 960px) {
  .lp-hero-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .lp-hero-card { order: -1; }
  .lp-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .lp-steps { grid-template-columns: 1fr; }
  .lp-diag-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .lp-price-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lp-title { font-size: var(--text-hero); }
  .lp-grid-4, .lp-grid-3 { grid-template-columns: 1fr; }
  .lp-trust { gap: var(--space-5); }
  .lp-cta-inner { flex-direction: column; align-items: flex-start; padding: var(--space-8); }
  .lp-section { padding: var(--space-12) 0; }
  .lp-hero { padding: var(--space-12) 0 var(--space-10); }
  .lp-diag { padding: var(--space-12) 0; }
  .lp-price { padding: var(--space-12) 0; }
  .lp-ticker-track { animation-duration: 48s; }
}

/* ===================== 统计带 ===================== */
.lp-stats {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}
.lp-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.lp-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
}
.lp-stat-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.lp-stat-num {
  font-size: var(--text-2xl);
  color: var(--color-fg);
  font-weight: 680;
  letter-spacing: -0.01em;
  font-family: var(--font-mono);
}
.lp-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===================== 媒体类型快速导航 ===================== */
.lp-mediatypes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.lp-mt {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--motion-base) var(--motion-ease),
              transform var(--motion-base) var(--motion-ease),
              border-color var(--motion-base) var(--motion-ease);
}
.lp-mt:hover {
  box-shadow: var(--shadow-raised);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.lp-mt-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.lp-mt-title { font-size: var(--text-lg); color: var(--color-fg); font-weight: 590; margin: 0 0 var(--space-2); }
.lp-mt-desc { margin: 0; font-size: var(--text-sm); line-height: 1.65; color: var(--color-text-secondary); flex: 1; }
.lp-mt-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
}
.lp-mt-metric { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 510; }
.lp-mt-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 590;
  color: var(--color-primary);
}
.lp-mt-go svg { color: var(--color-primary); }

/* ===================== 行业快捷筛选 ===================== */
.lp-industries {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}
.lp-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 510;
  text-decoration: none;
  transition: background var(--motion-base) var(--motion-ease),
              color var(--motion-base) var(--motion-ease),
              border-color var(--motion-base) var(--motion-ease),
              transform var(--motion-base) var(--motion-ease);
}
.lp-chip:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* 统计带 / 媒体类型导航 响应式 */
@media (max-width: 960px) {
  .lp-stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-4); }
  .lp-mediatypes { grid-template-columns: 1fr; }
}

/* ===================== 首页热门媒体预览 ===================== */
.lp-preview { padding: var(--space-16) 0; }
.lp-preview .lp-section-head { margin-bottom: var(--space-8); }
.lp-preview-group { margin-top: var(--space-10); }
.lp-preview-group:first-of-type { margin-top: 0; }
.lp-preview-ghead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.lp-preview-ghead h3 {
  font-size: var(--text-xl);
  color: var(--color-fg);
  font-weight: 620;
  margin: 0;
  letter-spacing: -0.01em;
}
.lp-preview-ghead p {
  margin: 4px 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.lp-preview-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 560;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: gap var(--motion-base) var(--motion-ease);
}
.lp-preview-more svg { color: var(--color-primary); }
.lp-preview-more:hover { gap: 10px; }
.lp-preview-empty {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  margin: 0;
}

.lp-pv-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
}
.lp-pv-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  transition: transform var(--motion-base) var(--motion-ease),
              box-shadow var(--motion-base) var(--motion-ease),
              border-color var(--motion-base) var(--motion-ease);
}
.lp-pv-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-price-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-slow) var(--motion-ease);
}
.lp-pv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-raised);
  border-color: var(--color-primary);
}
.lp-pv-card:hover .lp-pv-accent { transform: scaleX(1); }
.lp-pv-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.lp-pv-badge {
  max-width: 72%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--text-md);
  font-weight: 620;
  color: var(--color-fg);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.lp-pv-tier {
  flex: none;
  font-size: var(--text-xs);
  font-weight: 540;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}
.lp-pv-cat {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}
.lp-pv-sub {
  color: var(--color-text-muted);
  margin-left: 6px;
}
.lp-pv-metrics {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.lp-pv-m { display: flex; flex-direction: column; }
.lp-pv-m strong {
  font-size: var(--text-md);
  color: var(--color-fg);
  font-weight: 590;
}
.lp-pv-m span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}
.lp-pv-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
}
.lp-pv-price {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-lg);
  font-family: var(--font-mono);
}
.lp-pv-unit { font-size: var(--text-sm); margin-right: 1px; }
.lp-pv-cta {
  font-size: var(--text-sm);
  font-weight: 560;
  color: var(--color-text-muted);
  transition: color var(--motion-base) var(--motion-ease);
}
.lp-pv-card:hover .lp-pv-cta { color: var(--color-primary); }

@media (max-width: 640px) {
  .lp-preview { padding: var(--space-12) 0; }
  .lp-pv-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

/* ===================== 首页科技感动态特效 ===================== */
/* Hero 暗色背景层：浮动光晕 + 光柱 + canvas 粒子炫影 */
.lp-hero-fx {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.lp-hero .lp-wrap { position: relative; z-index: 1; }
.lp-hero-aurora { position: absolute; inset: 0; z-index: 0; }

.lp-hero-glow {
  position: absolute;
  width: 46vw; height: 46vw;
  max-width: 620px; max-height: 620px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  mix-blend-mode: screen;
  will-change: margin;
}
.lp-hero-glow-1 {
  top: -14%; left: -8%;
  background: radial-gradient(circle, var(--color-glow-blue) 0%, var(--color-glow-blue-0) 70%);
  animation: lpFloat1 16s ease-in-out infinite;
  margin-left: calc(var(--px, 0) * 18px);
  margin-top: calc(var(--py, 0) * 12px);
}
.lp-hero-glow-2 {
  bottom: -22%; right: -6%;
  background: radial-gradient(circle, var(--color-glow-cyan) 0%, var(--color-glow-cyan-0) 70%);
  animation: lpFloat2 19s ease-in-out infinite;
  margin-left: calc(var(--px, 0) * -14px);
  margin-top: calc(var(--py, 0) * -10px);
}

/* 竖直光柱：缓慢上下浮动 + 呼吸 */
.lp-hero-beam {
  position: absolute;
  top: -20%; left: 38%;
  width: 2px; height: 140%;
  background: linear-gradient(180deg, var(--color-beam-sky-0) 0%, var(--color-beam-sky) 50%, var(--color-beam-sky-0) 100%);
  filter: blur(1.5px);
  opacity: 0.55;
  transform: rotate(8deg);
  mix-blend-mode: screen;
  animation: lpBeam 11s ease-in-out infinite;
}
.lp-hero-beam.beam2 {
  left: 64%; width: 1px;
  background: linear-gradient(180deg, var(--color-beam-blue-0) 0%, var(--color-beam-blue) 50%, var(--color-beam-blue-0) 100%);
  animation-duration: 14s;
  animation-delay: -4s;
}

@keyframes lpFloat1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(6%, 8%) scale(1.08); }
}
@keyframes lpFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-7%, -6%) scale(1.1); }
}
@keyframes lpBeam {
  0%,100% { transform: translateY(-6%) rotate(8deg); opacity: 0.32; }
  50%     { transform: translateY(8%) rotate(8deg); opacity: 0.62; }
}
@keyframes lpCardFloat {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}

/* Hero 文案在暗色背景上的配色 */
.lp-hero .lp-title { color: var(--color-hero-text); }
.lp-hero .lp-sub { color: var(--color-hero-text-sub); }
.lp-hero .lp-trust { border-top-color: var(--color-hero-border); }
.lp-hero .lp-trust-item strong { color: var(--color-hero-text); }
.lp-hero .lp-trust-item span { color: var(--color-hero-muted); }
.lp-hero .lp-eyebrow { background: var(--color-hero-eyebrow-bg); border-color: var(--color-hero-eyebrow-border); color: var(--color-hero-eyebrow-text); }
.lp-hero .lp-eyebrow svg { color: var(--color-hero-eyebrow-icon); }
.lp-hero .lp-hero-card { box-shadow: 0 24px 60px -24px var(--color-hero-card-shadow); }

/* 按钮：呼吸光晕 + hover 扫光 */
.lp-hero .btn-primary,
.lp-cta .btn-primary {
  position: relative;
  overflow: hidden;
  animation: lpGlowPulse 3.4s ease-in-out infinite;
}
.lp-hero .btn-primary::after,
.lp-cta .btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.45) 50%, transparent 100%);
  transform: skewX(-18deg);
  transition: left 0.7s ease;
  pointer-events: none;
}
.lp-hero .btn-primary:hover::after,
.lp-cta .btn-primary:hover::after { left: 130%; }

@keyframes lpGlowPulse {
  0%,100% { box-shadow: 0 0 0 0 var(--color-btn-glow-0), 0 10px 24px -10px var(--color-btn-glow-base); }
  50%     { box-shadow: 0 0 22px 2px var(--color-btn-glow-soft), 0 10px 24px -10px var(--color-btn-glow-base); }
}

/* 滚动入场 */
.lp-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22,0.61,0.36,1),
              transform 0.7s cubic-bezier(0.22,0.61,0.36,1);
}
.lp-reveal.in { opacity: 1; transform: none; }

/* 子项阶梯入场（JS 动态加 .lp-reveal-stagger 于容器，子项依次上浮） */
.lp-reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22,0.61,0.36,1),
              transform 0.6s cubic-bezier(0.22,0.61,0.36,1);
}
.lp-reveal-stagger.in > * { opacity: 1; transform: none; }
.lp-reveal-stagger.in > *:nth-child(2) { transition-delay: 90ms; }
.lp-reveal-stagger.in > *:nth-child(3) { transition-delay: 180ms; }
.lp-reveal-stagger.in > *:nth-child(4) { transition-delay: 270ms; }

/* 预览卡片：鼠标跟随流光 + hover 发光 */
.lp-pv-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--color-card-glow), transparent 55%);
  opacity: 0;
  z-index: 3;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lp-pv-card:hover::before { opacity: 1; }
.lp-pv-card:hover { box-shadow: 0 18px 42px -20px var(--color-card-glow-strong); }

/* 降低动态偏好：关闭所有特效 */
@media (prefers-reduced-motion: reduce) {
  .lp-hero-glow, .lp-hero-beam { display: none; }
  .lp-hero .btn-primary, .lp-cta .btn-primary { animation: none; }
  .lp-hero .btn-primary::after, .lp-cta .btn-primary::after { display: none; }
  .lp-reveal { opacity: 1; transform: none; transition: none; }
  .lp-pv-card::before { display: none; }
  .lp-ticker-track { animation: none; }
  .lp-hero-card { animation: none; }
  .lp-reveal-stagger > * { opacity: 1; transform: none; transition: none; }
}